WO2015196375A1

WO2015196375A1 - Mould frame

Info

Publication number: WO2015196375A1
Application number: PCT/CN2014/080669
Authority: WO
Inventors: 杨延洲; 陈俊宝
Original assignee: 杨延洲; 陈俊宝
Priority date: 2014-06-25
Filing date: 2014-06-25
Publication date: 2015-12-30
Also published as: CN104981306B; CN104981306A

Abstract

Disclosed is a mould frame comprising at least one pair of mould plates, wherein one pair of mould plates comprises one first mould plate (201) and one second mould plate (205); further comprising at least two pairs of connecting mould plate holes, wherein one pair of connecting mould plate holes comprises a guide sleeve connecting mould plate hole and a guide post connecting mould plate hole; and a guide sleeve (203), a guide post (204) and at least one elastic sleeve (206) provided corresponding to the one pair of connecting mould plate holes, one end of the guide post (204) being fixed to the guide post connecting mould plate hole via at least one elastic sleeve (206), the guide sleeve (203) being fixed to the guide sleeve connecting mould plate hole, and the other end of the guide post (204) being provided in the guide sleeve (203). The hole apertures of the guide sleeve connecting mould plate hole and of the guide post connecting mould plate hole are the same; and the hole apertures are the same as the outer diameter of the elastic sleeve (206). This mould frame is convenient to machine and has high precision, and the guide sleeve assembly unit and the guide post assembly unit are convenient to install and easy to disassemble. After becoming worn, the guide post or the guide sleeve can be replaced timely to ensure guidance precision.

Description

Formwork

[Technical Field]

The present invention relates to the field of molds, and more particularly to a mold base. 【Background technique】

Mold is an important process equipment in industrial production. The mold can be roughly divided into two parts, a core and a mold base. A part of the working part in the mold is in direct contact with the finished product of the mold, such as a punch of the metal mold, and the concave mold is in direct contact with the processed metal plate, and the core cavity of the plastic mold is in direct contact with the finished product of the plastic part. These working parts are called "cores", the working parts (cores) and other structural parts used to install the molds in the mold, to ensure that the working part of the mold has the correct relative position during working hours, and the mold and the working machine The connected parts are called "forms", (working machines such as punches, hydraulic presses or injection molding machines, etc.), it can be said that the formwork is the necessary "base piece" in the mold. The formwork is a high-precision assembly that looks simple and requires high dimensional tolerances for both dimensional tolerances and shape (position) tolerances for each part during manufacturing and assembly.

The common basic metal mold frame structure is shown in Figure 1. The mold base includes a moving template (upper template) 102 and a static template (lower template) 105, wherein the template is a flat part, and the formwork also includes two Four sets of guiding sleeves 103 and guiding columns 104, the guiding sleeves 103 are cylindrical parts, the guiding columns 104 are cylindrical parts, and the guiding sleeves 103 and the guiding columns 104 are respectively fixed on the moving template 102 and the static template 105, and outside the guiding columns The diameter is the same as the inner diameter of the guide sleeve, and the outer diameter of the guide post is inserted into the inner diameter of the guide sleeve, and the two can be linearly slid therebetween, and the guide sleeve 103 and the guide post 104 constitute a combination of the guide members of the dynamic and static template. The size D2 of the guide post connection template hole (guide post hole) 106 and the guide sleeve connection template hole (guide sleeve hole) 101 are different in size D1.

Such a structure, as long as the processing and assembly are precise, the matching precision of the guide post 104 and the guide sleeve 103 fixed on the template ensures the precision of the linear reciprocating motion of the dynamic and static template, and ensures the core fixed on the movable template 102 and the static template 105. Have the correct relative position at work.

When the mold or the mold frame is working, the movable template 102 is fixed on the working moving parts of the working machine. For example, the movable template 102 is fixed on the slider of the working machine, and the static template 105 is fixed on the working surface of the working machine. The connection between the movable template 102 and the static template 105 is realized by a guiding device composed of a guiding column 104 and a guiding sleeve 103. When the mold is working, the working movement part of the working machine linearly reciprocates the work surface of the working machine, and the core fixed on the template, such as the punch fixed on the movable template 102 and fixed on the static template 105 The four-mode, due to the precision of the guiding device, makes accurate linear reciprocating motion, thereby manufacturing the precise mold product set.

The mold frame which constitutes the molds of plastic molds, ceramics, rubber and glass products, and the working principle, the mechanical structure and the metal mold base are identical.

Among these structures, there are two disadvantages:

1. Dimensions of the guide post connection template hole D2 and the size of the guide sleeve connection template hole D 1 are different. Figure 1 shows that the guide post hole D2 is smaller and the guide sleeve hole D 1 is larger. Due to the high positional accuracy of the upper and lower template holes and the high precision of the center distance, the upper and lower stencils must be respectively machined on the coordinate boring machine to form the template hole D2 and the stencil hole D1 connected to the guide post and the guide sleeve. The processing cost is high, and the precision requirement is also high.

2. The guide post 1 04, the guide sleeve 103 and the guide post connection template hole D2, the guide sleeve connection template hole D 1 are connected by a transition fit, the transition fit connection structure is simple, the centering is good, but the part processing precision is high, assembly Difficulties, especially the difficulty of disassembly, sometimes the guide bush and the template need to be loaded and unloaded many times during assembly, transportation and use. At this time, the transition joint surface is easy to be damaged. Once the matching hole on the template is damaged, the assembly precision is reduced. Failure, repair is very difficult.

Therefore, the prior art needs improvement.

[Summary of the Invention]

In order to at least partially solve the above problems, the present invention proposes a new formwork.

In order to solve the above technical problem, a technical solution adopted by the present invention is as follows: a mold base comprising at least one pair of templates, the pair of templates including a first template and a second template; The at least two pairs of connection template holes include a guide sleeve connection template hole and a guide post connection template hole; a guide sleeve, a guide post and at least one elasticity are disposed corresponding to the pair of connection template holes One end of the guide post is fixed to the guide post connection template hole by at least one elastic sleeve, the guide sleeve is fixed to the guide sleeve connection template hole, and the other end of the guide post is disposed on the sleeve In the guide sleeve, wherein the guide sleeve connection template hole and the guide post connection template hole have the same aperture; the aperture is the same as the outer diameter of the elastic sleeve. Preferably, in the mold base, a guide sleeve, a guide post and at least two elastic sleeves are disposed corresponding to the pair of connection template holes, and one end of the guide post is fixed to the guide post by at least one elastic sleeve Connecting the template hole, the guide sleeve is fixed to the guide sleeve connection template hole by at least one elastic sleeve, and the other end of the guide post is disposed in the guide sleeve; wherein the guide sleeve is connected with the template hole and The guide post is connected to the template hole with the same aperture, and the outer sleeves have the same outer diameter, and the aperture is the same as the outer diameter.

Preferably, in the mold frame, two elastic sleeves are disposed corresponding to the pair of connection template holes, and the two elastic sleeves comprise a sleeve elastic sleeve and a guide column elastic sleeve; the guide pillar is fixed by the guide pillar elastic sleeve The guide post is connected to the template hole, and the guide sleeve is fixed to the guide sleeve connection template hole through the guide sleeve elastic sleeve; the guide sleeve elastic sleeve has the same outer diameter as the guide post elastic sleeve.

Preferably, in the mold frame, the first template is provided with at least two guide sleeves connecting the template holes, the guide sleeve elastic sleeve is mounted on the guide sleeve connection template hole, and the guide sleeve is mounted on the guide sleeve The second template is provided with at least two guide posts connecting the template holes, the guide post elastic sleeve is mounted on the guide post connection template hole, and the guide post is mounted on the guide post elastic sleeve.

Preferably, in the mold base, the guide sleeve is mounted on the guide sleeve connection template hole, the guide sleeve is the same as the outer diameter of the guide post elastic sleeve, and/or the guide sleeve elastic sleeve is installed. The guide sleeve is connected to the template hole, and the guide sleeve elastic sleeve is the same as the outer diameter of the guide post elastic sleeve, and the guide sleeve or the guide sleeve elastic sleeve is the same as the outer diameter of the guide post elastic sleeve.

Preferably, in the mold base, the elastic sleeve has an inner tapered hole.

Preferably, in the mold base, the guide sleeve and the guide post have an outer cone.

Preferably, in the mold base, an outer cone of the guide sleeve is mounted in the inner conical hole of the corresponding elastic sleeve of the guide sleeve, and an outer cone of the guide post is mounted on the guide post. The elastic sleeve is in the inner conical bore.

Preferably, in the mold base, at least one assembly threaded component is disposed in the guide bush, the guide post and the at least one elastic sleeve for realizing the self-locking connection of the adjacent conical surface parts.

Preferably, in the mold base, the elastic sleeve has a first trapezoidal cross section.

Preferably, in the mold base, the guide post and the guide sleeve have a second trapezoidal cross section.

Preferably, in the mold frame, in the trapezoidal cross section, the trapezoid is an isosceles trapezoid, and the tangent of the bottom angle thereof The value is 9 to 14.

Preferably, the assembly has a frustum portion.

Preferably, the inner wall of the elastic sleeve is provided with a first friction portion.

Preferably, the outer wall of the elastic sleeve is provided with a second friction portion.

Preferably, in the mold frame, the guide post is fixed to the guide post hole of the second template by the first screw and the meson and the elastic sleeve.

Preferably, in the mold base, the guide sleeve is fixed to the guide sleeve hole of the first template by a second screw and an elastic sleeve.

Preferably, in the mold base, the elastic sleeve is provided with a slit portion in the axial direction, and has a width of 1 to 3 mm. For example, the slit portion is a through slit.

Preferably, in the mold base, the elastic sleeve has a wall thickness greater than 2 mm.

至倍倍倍。 The axial dimension of the elastic sleeve and the template connection diameter of 0.8 to 2 times.

Preferably, the three diameters of the outer diameter of the tapered elastic assembly of the guide post, the outer diameter of the tapered elastic assembly of the guide sleeve, and the template hole matched with the assembly are unified into the same diameter, so that the template hole can It is processed by a matching drilling and boring process. When the drill is equipped with the boring, the upper and lower stencils are laminated and fixed one by one, and all the matching guide sleeve connecting stencil holes and the guide post connecting stencil holes are all processed by one clamping, and each pair of guiding sleeves is connected with the template hole and the guiding column connecting the template holes. The center line is exactly the same, which can ensure the matching of the upper and lower template holes. Among them, the matching drilling hole is shown in Figure 3. The mast 401 is disposed above the matching drilling hole, the upper template 403 is applied with a clamping force at the upper clamping force position 402, the lower template 404 is applied with a clamping force at the lower clamping force position 405, and the upper and lower templates are laminated and fixed. As a whole, the matching holes 406 are processed at the same time, the holes are aligned, the center line of the holes is completely uniform, the holes of the upper template are used as the guide sleeves to connect the template holes, and the holes of the lower template are used as the guide columns to connect the template holes.

The beneficial effects of the invention are as follows: the guide sleeve connecting template hole of the invention has the same aperture as the guide post connecting template hole, the processing is convenient and the precision is high, and the guide post, the guide sleeve and the guide post are connected with the template hole, and the guide sleeve is connected with the template hole. In the connection, the guide sleeve assembly and the guide post assembly are easy to install and easy to disassemble, and when the guide post or the guide sleeve is worn, it can be replaced in time to ensure the guiding precision, thereby having high practical application value. [Description of the Drawings]

1 is a schematic view showing the structure of a metal mold base of the prior art;

2A is a schematic structural view of a mold frame according to an embodiment of the present invention;

2B is a schematic structural view of a guide sleeve elastic sleeve of the mold frame shown in FIG. 2A;

2C is a schematic view showing the structure of the guide sleeve elastic sleeve shown in FIG. 2B in another direction;

2D is a schematic structural view of a guide bush of the mold frame shown in FIG. 2A;

2E is a schematic structural view of the guide bush in another direction shown in FIG. 2D;

2F is a schematic structural view of a guide post of the mold frame shown in FIG. 2A;

3 is a schematic view showing a structure of a pair of connecting die holes with a guide sleeve connecting a template hole and a guide post connecting a template hole according to an embodiment of the present invention;

4 is a schematic structural view of a die mold frame according to an embodiment of the present invention;

Figure 5 is a schematic view showing the structure of a plastic injection mold frame according to an embodiment of the present invention;

6 is a schematic structural view of a plastic injection molding frame according to still another embodiment of the present invention;

Fig. 7 is a schematic view showing the structure of a mold frame using a rolling guide according to still another embodiment of the present invention.

【detailed description】

In order to facilitate the understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is described as being "fixed" to another element, it can be directly on the other element or one or more of the elements in the middle. When an element is referred to as "connected" to another element, it can be either directly connected to the other element or one or more of the elements. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this specification are for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used in the specification are the same meaning The terminology used in the description of the present invention is for the purpose of describing particular embodiments and is not intended to limit the invention. As used in this patent, guide posts, guide sleeves, elastic sleeves, stencils, etc., although having different mechanical structures, are still named the same as their main technical features, such as parts in the drawings. The 202 and the part 203 constitute a guide sleeve assembly, and the part 202 is named as the elastic sleeve 202 according to the main technical features thereof, and the part 203 is the guide sleeve 203. In Fig. 4, the part 504 is a straight axis, and the part 605 in Fig. 5 is a step axis, and the guide post is named. Both the part 203 in the drawing and the part 702 in Figure 6 are named guide sleeves, and the term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items. As shown in the specification, various combinations of guide post assemblies and guide bushes.

An embodiment of the present invention is a formwork that includes at least one pair of templates, the pair of templates including a first template and a second template; for example, the first template is a moving template (upper template) The second template is a static template (the lower template), and the first template is a lower template, and the second template is an upper template. The present invention does not limit the position, shape and relative motion of the first template and the second template, and only two can be applied to the formwork in combination. For example, a formwork that includes two pairs of templates, three pairs of templates, four pairs of templates, or more pairs of templates. As another example, a formwork preferably includes only a pair of stencils.

Moreover, the mold base further includes at least two pairs of connection template holes. For example, the mold frame includes two pairs, three pairs, four pairs, five pairs, six pairs or more pairs of connection template holes; The mold base includes two pairs or four pairs of connection template holes; wherein the pair of connection template holes includes a guide sleeve connection template hole and a guide post connection template hole; that is, each pair of connection template holes includes a guide sleeve Connecting the template hole to a guide post and connecting the template hole; for example, the first template is configured to connect at least two guide sleeves to the template hole, and the second template is configured to connect at least two guide posts to the template hole; for example, the first template is only The second guide sleeve is connected to the template hole, and the second template is only connected with the two guide pillars to connect the template hole. For example, the first template is only provided with at least two guide sleeves to connect the template holes, and the guide pillar is not connected to the template holes. The second template is only provided with at least two guide posts connecting the template holes, and no guide sleeve is connected to the template holes. For another example, the first template is configured to connect at least one pillar connection template hole and at least one guide sleeve to the template hole, and the second template is disposed with at least one pillar connection template hole and at least one guide sleeve connection template hole. This method of installing the guide post guide sleeve is conventionally not used, but in special cases, such as heavy load, when the template is provided with 4 pairs and 4 pairs or more connection holes, it is not only feasible to install the guide sleeve guide post device in a cross manner. Moreover, the structure of the formwork is symmetrically balanced, and the load sharing is more reasonable.

Corresponding to the pair of connection template holes, at least one guide sleeve, one guide post and at least one elastic sleeve are disposed, that is, a pair of connection template holes are correspondingly provided with a guide sleeve, a guide post and at least one elastic sleeve; One end of the guide post is fixed to the guide post connection template hole through at least one elastic sleeve, the guide sleeve is fixed to the guide sleeve connection template hole, and the other end of the guide post is disposed in the guide sleeve; The guide sleeve connection template hole has the same aperture as the guide post connection template hole; the aperture is the same as the outer diameter of the elastic sleeve. In other words, each pair of connection template holes can also be set with different numbers of guide sleeves and elasticity. The sleeve, such as two guide sleeves, a guide post and one or more elastic sleeves, for example, each pair of connection template holes in FIG. 4 is provided with three elastic sleeves, and each pair of connection template holes in FIG. 6 is provided with four elastic sleeves. The guide bush can be fixed to the guide post connection template hole by at least one elastic sleeve, and the guide sleeve is fixed to the guide sleeve connection template hole, for example, for example, As shown in FIG. 6, the guide sleeve is directly fixed to the guide sleeve connection template hole; as shown in FIG. 2, the guide sleeve is fixed to the guide sleeve connection template hole through a flexible sleeve; The guide post is fixed to the guide post connection template hole through a resilient sleeve; the other end of the guide post is disposed in the guide sleeve, for example, the other end of the guide post is fixed to the The guiding sleeve is taken out from the guiding sleeve when disassembling; for example, the other end of the guiding post is inserted into the inner hole of the guiding sleeve of the guiding sleeve to generate axial linear sliding with each other. As shown in FIG. 4, the guide post 504 is fixed to the guide post through the first elastic sleeve 505 and the second elastic sleeve 506, and is fixed to the second template 507 through the guide post connection template hole, and the other end is disposed on the guide. As shown in FIG. 5, the guide post 605-end is fixed to the second template 607 through an elastic sleeve 606, the guide post connection template hole, and the other end is disposed on the guide sleeve 602; as shown in FIG. 6, the guide post 704- The end is fixed to the guide post through the first elastic sleeve 707 and the second elastic sleeve 705, and is fixed to the second template 706 through the guide post connection template hole, and the other end is disposed on the guide sleeve 702.

5至倍倍。 The axial diameter of the elastic sleeve and the template connection is 0.8 to 2 times. For example, the axial dimension of the elastic sleeve and the template is 0.8, 1.0, 1.5, 1.5, 1.8 or 2 times the diameter of the elastic sleeve and the template.

Preferably, in the mold frame, two elastic sleeves are disposed corresponding to the pair of connection template holes, and the two elastic sleeves comprise a sleeve elastic sleeve and a guide column elastic sleeve; the guide pillar is fixed by the guide pillar elastic sleeve The guide post is connected to the template hole, and the guide sleeve is fixed to the guide sleeve connection template hole through the guide sleeve elastic sleeve; the guide sleeve elastic sleeve has the same outer diameter as the guide post elastic sleeve. Preferably, in the mold frame, the first template is provided with at least two guide sleeves connecting the template holes, the guide sleeve elastic sleeve is mounted on the guide sleeve connection template hole, and the guide sleeve is mounted on the guide sleeve The second template is provided with at least two guide posts connecting the template holes, the guide post elastic sleeve is mounted on the guide post connection template hole, and the guide post is mounted on the guide post elastic sleeve. For example, a mold base includes at least one pair of templates, the pair of templates includes a first template and a second template; the first template is provided with at least two guide sleeves connecting the template holes and the guide sleeve assembly thereof; The guide sleeve assembly is provided with a guide sleeve and a guide sleeve elastic sleeve, the guide sleeve elastic sleeve is mounted on the guide sleeve connection template hole, and the guide sleeve is mounted on the guide sleeve elastic sleeve; The template is configured to connect at least two guide columns to the template hole and the column assembly thereof; the guide column assembly is provided with a guide An elastic sleeve of the column and the guide post, the elastic sleeve of the guide post is mounted on the guide post connecting the template hole, the guide post is mounted on the elastic sleeve of the guide post; and the guide post elastic sleeve of the guide post is used as a guide post An elastic sleeve, the guide sleeve elastic sleeve of the guide sleeve and the same is used as another guide sleeve elastic sleeve, wherein the guide sleeve connection template hole and the guide post connection template hole have the same aperture, and the guide sleeve elastic sleeve The outer diameter of the guide sleeve elastic sleeve is the same, and the aperture is the same as the outer diameter.

Preferably, the elastic sleeve has an inner conical hole, for example, it has a first conical surface, or, for a conical surface, the conical surface is: a cone that is cut parallel to the bottom surface, leaving The surrounding portion of a truncated cone body, or the truncated cone body, does not include the upper and lower circular outer surfaces. That is, the elastic sleeve has a first trapezoidal cross section. Preferably, the guide sleeve and the guide post have an outer cone, for example, which has a second conical surface. Preferably, in the mold base, the guide sleeve and/or the guide post have a second trapezoidal cross section. Preferably, the first trapezoidal section is similar to the second trapezoidal section; for example, the first trapezoidal section is the same as the second trapezoidal section. Preferably, in the trapezoidal cross section, the trapezoid is an isosceles trapezoid, and the tangent of the base angle is 9 to 14. According to the working principle of the tapered elastic sleeve, the design of the tapered elastic sleeve should fully consider the actual use conditions, comprehensively consider the structural rationality of each assembly, and reasonably select the parameters, especially the cone angle, minimum wall thickness and width of the elastic sleeve. Preferably, the outer cone is matched with the shape and size of the inner conical hole; for example, the outer cone of the guide sleeve is mounted in the inner conical hole of the corresponding elastic sleeve of the guide sleeve, An outer cone of the guide post is mounted in the inner tapered bore of the corresponding elastic sleeve of the guide post. The guiding sleeve, the guiding column and the elastic sleeves are all couplings for realizing the connection of the template, and at least one pair of assembling thread components are arranged in the guiding sleeve, the guiding pillar and the at least one elastic sleeve, Self-locking coupling of adjacent components. When installed, the outer cone has the same angle as the inner conical hole, and the angle is within the self-locking angle range. For example, the taper is 1: 1 0, and the corresponding taper angle is 5 ° 42 ' 38". The angle of the guide sleeve elastic sleeve, the angle between the guide post and the elastic sleeve of the guide post, the two angles need not be the same, and the same or different angles can be used. Among them, the meaning of 1 : 1 0 axial growth is 1 0 radial growth 1 Or for taper, the axial growth is 10 and the diameter is increased by 1. Since the tapered connection of the guide sleeve, the guide post and the elastic sleeve is a self-locking connection, an assembly is provided on a certain coupling member (such as a guide sleeve). And the disassembly of the threaded hole for disassembly. Preferably, the thread size of the disassembly thread for disassembly, the threading technical elements are exactly the same as those of the threaded hole for assembly, the thread size of the bolt for assembly, and the pitch. After the bolts for assembly are removed, the threaded holes can be screwed in and the self-locking of the tapered joints can be opened.

For example, the first template is provided with at least two guide sleeves connecting the template holes and the guide sleeve assembly; for example, the assembly has a part or all of the cone, and the assembly has an elastic portion, and the assembly is also called Tapered elastic assembly, The guide sleeve assembly can also be referred to as a guide sleeve tapered elastic assembly. For example, the assembly has a frustum portion, wherein the frustum portion is a solid or a cavity. For example, for each guide sleeve connecting the template hole (ie, the guide sleeve hole), a guide sleeve assembly is provided. The guide sleeve assembly is provided with a guide sleeve and a guide sleeve elastic sleeve. The guide sleeve elastic sleeve is mounted on the guide sleeve connection template hole, and the guide sleeve is mounted on the guide sleeve elastic sleeve; for example, A guide sleeve elastic sleeve is disposed on the guide sleeve connection template hole, and a guide sleeve is disposed on the elastic sleeve of the guide sleeve, and the guide sleeve and the guide sleeve elastic sleeve are fixedly disposed on the first template. The second template is configured to connect at least two guide pillars to the template hole and the pillar assembly thereof; for example, for each pillar to connect the template hole (ie, the pillar bore), a pillar assembly is disposed. The guide post assembly is provided with a guide post and at least one guide post elastic sleeve. For example, a guide post is correspondingly provided with a plurality of tapered guide post elastic sleeves; the guide post elastic sleeve is mounted on the guide post connection a guide hole, the guide post is mounted on the guide post elastic sleeve; for example, a guide post elastic sleeve is disposed on the guide post connection template hole, and a guide post is disposed on the guide post elastic sleeve, the guide post and the guide post The guide post elastic sleeve is fixedly disposed on the second template. For example, the guide sleeve is mounted on the guide sleeve connecting template hole, the guide sleeve is the same as the outer diameter of the guide sleeve elastic sleeve, and, for example, the guide sleeve elastic sleeve is mounted on the guide sleeve connection template hole. The guide sleeve elastic sleeve has the same outer diameter as the guide post elastic sleeve.

Preferably, according to the aperture of the template hole, the distance between the template hole and the side of the template is set, that is, the distance between the template hole and the side of the template is greater than the common distance of the conventional guide post.

For example, as shown in FIG. 2A, the guide sleeve 203 and the guide sleeve elastic sleeve 202 are used to form a guide sleeve tapered elastic sleeve assembly instead of the conventional guide sleeve, and the guide post 204 and the guide post elastic sleeve 206 constitute a guide column tapered elastic sleeve combination. Instead of the conventional guide post, a tapered elastic sleeve assembly is used to replace the conventional transition fit connection at the junction of the guide post, the guide sleeve and the template hole of the upper die plate 201 and the lower die plate 205. When connected, under the axial force of the first bolt 208 and the second bolt 209, the tapered surface on the guide post and the guide sleeve and the tapered surface on the elastic sleeve are relatively axially displaced, and the tapered surface is squeezed. Tightly self-locking, due to the small taper of the tapered joint, preferably, the taper is 1:10, the taper angle is 5 ° 42 '38", and the taper surface extrusion produces a large outward expansion force in the radial direction. The tapered elastic sleeve is radially expanded and deformed, and the tapered elastic sleeve has a single axial through groove and thus has a certain expansion and contraction elasticity. The radial outward expansion force generated on the tapered surface joint makes the tapered elastic sleeve The deformation is relatively easy, the tapered elastic sleeve is formed into micro-deformation and the outer diameter is enlarged, and the template hole connected thereto is subjected to the interference joint. Due to the self-locking feature after the taper surface is squeezed, the joint is not loosened once formed. Therefore, the joint is very reliable. Preferably, in the mold frame, the guide post is fixed to the fixed end of the second template by a first screw and a meson. For example, the first bolt 208 and the guide post A meson 207 is disposed between the elastic sleeves 206. For example, when disassembling, it is only necessary to remove the first bolt 208 and the second bolt 209, tap the end surface of the joint between the guide post and the template with a copper rod, and connect the joint surface of the tapered joint assembly of the guide sleeve with the bolt 209 Open, so that it is no longer self-locking, the radial outward expansion force on the tapered elastic sleeve can be eliminated, the tapered elastic sleeve itself is not deformed, and the elasticity of the material is restored to the external dimension before deformation, the guide post, The guide sleeve and the template can be detached. For example, the guide sleeve elastic sleeve is shown in FIG. 2B and FIG. 2C, and has a trapezoidal cross section for inserting the guide sleeve, and the guide sleeve elastic sleeve is provided with a plurality of assembly threaded holes 302. Preferably, the tapered surface of the tapered elastic sleeve is self-locking after installation. At this time, the tapered elastic sleeve and the assembly thereof are provided with at least one threaded hole for disassembly. For example, the guide sleeve is as shown in FIG. 2D and FIG. 2E. The utility model has a second trapezoidal cross section for inserting into the guide sleeve elastic sleeve, and/or, the guide sleeve further correspondingly sets the cavity position according to the shape of the guide post; the guide sleeve is provided with three disassembling threaded holes 308, The arrangement is an equilateral triangle; preferably, the guide sleeve is further provided with three mounting through holes 307 corresponding to the positions of the respective fitting threaded holes 302 of the guide sleeve elastic sleeve shown in FIG. 2C. Preferably, the three mounting through holes 307 are arranged in an equilateral triangle; preferably, as shown in FIG. 2E, the guiding sleeve is provided with three disassembling screw holes 308 and three assembling through holes 307 arranged in a regular hexagon. Preferably, the shape and structure of the guide post are set according to the structure of the mold frame. For example, as shown in FIG. 2F, the guide post is provided with a first end portion 303, a cylindrical body 304, an end surface step 305 and a second The first end portion 303 is fixedly disposed on the guide sleeve, and the second end portion 306 is fixedly disposed on the guide post elastic sleeve. Referring to FIG. 2A, when the end surface step 305 is used to fix the guide post to the second template, Fix the position of the guide post and limit its displacement. As another example, as shown in FIG. 4, the guide post has a cylindrical body.

The guide sleeve connection template hole has the same aperture as the guide post connection template hole, and the guide sleeve elastic sleeve has the same outer diameter as the guide post elastic sleeve, and the aperture is the same as the outer diameter. Moreover, the guide sleeve elastic sleeve and the guide post elastic sleeve are respectively provided with a joint seam of 1 to 3 countries or a slit, so that as long as the tapered elastic sleeve is made of a reasonable material, the inner and outer diameters of the tapered elastic sleeve are properly matched. In a wide tolerance range, for example, less than 0.1 country, such as 0 to 0. 1 country, can achieve precise joint, so the diameter of the tapered elastic sleeve itself and the accuracy of the aperture of the connection template are easy to guarantee, comparable to common The manufacturing precision of the guide post, guide bush and template is reduced by 1 level accuracy.

Preferably, for example, the three diameters of the outer diameter of the tapered elastic assembly of the guide post, the outer diameter of the tapered elastic assembly of the guide sleeve, and the template hole matched with the assembly are unified into the same diameter, and the template hole is adopted. Drilling and boring process. When the drill is equipped with the boring, the upper and lower stencils are stacked and fixed together, and all the matching guide sleeve connecting template holes and the guide post connecting template holes are processed at the same time, and each pair of guiding sleeves is connected with the template hole and the guiding column. The center line connecting the template holes is exactly the same. The fit of the upper and lower template holes can be ensured. Among them, the matching drilling hole is shown in Figure 3. The mast 401 is disposed above the matching drilling hole, the upper template 403 is applied with a clamping force at the upper clamping force position 402, the lower template 404 is applied with a clamping force at the lower clamping force position 405, and the upper and lower templates are laminated and fixed. As a whole, the matching holes 406 are processed at the same time, the center line of the holes is completely uniform, the holes are aligned, the holes of the upper template are used as the guide sleeves to connect the template holes, and the holes of the lower template are used as the guide columns to connect the template holes. . Preferably, in the mold base, in order to ensure that the position of each of the pair of guide post guide sleeves is not misaligned, the first template and the second template are positioned corresponding to the template position. Methods such as slots mark the orientation. For example, when the template is drilled, the positioning groove is milled at a position away from the template center line on the side of the template, and, for example, a pair of guide post holes and/or guide sleeve holes are provided offset from the center distance by 3 to 5, so that the mold can be assembled. During the disassembly and assembly process during use and maintenance, the direction of movement and fixed mode will not occur, and misassembly will be avoided during mold clamping.

Preferably, in the mold base, the guide post and the guide sleeve are arranged together, for example, the two perform a matching research process, for example, grouping the guide post and the guide sleeve according to the measured size before entering the fitting process . The guide bushings of each group shall be numbered according to the group and marked accordingly. The matching research should ensure that the gap values of the same group of guide columns and guide sleeves, the roundness of the holes, and the surface roughness value meet the design requirements; thus, the accuracy of the mold base can be improved. Preferably, in the mold base, the tapered hole of the tapered elastic sleeve is arranged by grinding, for example, each guide post, the guide sleeve and the matched tapered elastic sleeve are grouped according to the measured size, and each guide post and guide sleeve The conical elastic sleeves to be matched with them should be numbered and marked accordingly. As the elastic sleeve, no matter whether the elastic sleeve is tapered or not, for example, the elastic sleeve of the guide post and the elastic sleeve is used as an elastic sleeve. The elastic sleeve that cooperates with it is used as another elastic sleeve. When the tapered elastic sleeve is equipped with grinding, it should be matched with grinding and inspection to 70% of the matching area of the guide post, the guide sleeve cone and the tapered elastic sleeve cone surface. For example, the coloring method is used for inspection. After the grinding test is passed, the tapered elastic sleeve is grooved and the resulting burr is trimmed; this can improve the accuracy of the mold base. For example, when the guide sleeve and the tapered elastic sleeve are matched with the end face, the perpendicularity with the template hole should be ensured, and the set of guide members should be assembled, and the perpendicularity of the fitting end face and the tapered elastic sleeve matching end face and the guide column axis. The value is tested.

Preferably, in order to reduce the overall outer diameter of the guide sleeve elastic assembly, so that the mold frame has a large working space under the same size, the tapered elastic sleeve taper of the guide pillar guide sleeve assembly should be designed to be small, for example The taper is 1:10, the taper angle is 5 ° 42 '38". The root raft structure can also choose other taper and taper angles that can be self-locking and easy to disassemble. After this angle is assembled, the taper will produce self-locking. For the stability of the work of the formwork. For example, in the trapezoidal section, according to the condition of the self-locking of the tapered surface after assembly, the angle of the bottom angle is set. The thread size for assembly and disassembly can be unified to the same size, ie The threaded hole 302 for assembly of FIG. 2C is the same size as the threaded hole 308 for disassembly of FIG. 2E, so that the bolt assembled on the formwork can be used for disassembly after being removed, which is convenient for application.

Preferably, in the mold base, the elastic sleeve is provided with a slit portion in the axial direction, and has a width of 1 to 3 mm. As shown in Fig. 2C, the guide sleeve elastic sleeve is provided with a slit portion 301 in the axial direction, and preferably has a width of 1 to 3 mm. In this way, it helps to increase the elasticity of the elastic sleeve during installation, and obtains a better fixing effect. For example, the inner wall of the elastic sleeve is provided with a first friction portion for generating a frictional force when the guide sleeve and the guide post are mounted, thereby obtaining a better fixing effect. Preferably, the outer wall of the elastic sleeve is provided with a second friction portion for generating a frictional force of the elastic sleeve mounted on the template, thereby obtaining a good fixing effect.

Preferably, in the mold base, the elastic sleeve has a wall thickness greater than 2 mm. For example, the tapered elastic sleeve has a minimum wall thickness of 2 to 3 mm. For example, the elastic sleeve is a metal sleeve having a wall thickness of 2, 2. 2, 3, 3. 5, 4, 5, 8, 10 or 15 mm, at this time, due to the existence of the slit portion 301, the metal sleeve has a certain degree of elasticity, that is, an elastic metal sleeve.

8〜2倍。 The width of the combined portion of the tapered elastic sleeve and the template is 0. 8~2 times.

The elastic sleeve can be made of various metal materials, engineering plastics (such as nylon), for example, the elastic sleeve is spring steel, which is prepared by a quenching and tempering heat treatment process.

Preferably, in the mold base, a gap portion is disposed between an end portion of the guide sleeve and an end portion of the guide sleeve elastic sleeve. For example, there should still be a gap of 2 to 3 mm between the assembled guide sleeve and the end face of the tapered elastic sleeve to ensure the reliability of the tapered connection. As another example, the width of the gap portion is 1 to 3 mm. Preferably, the width of the gap portion is proportional to the diameter of the tapered elastic sleeve, and is greater than 1 mm. In combination with any of the above embodiments, preferably, the first template and the second template are in the mold base. Set the corresponding positioning slot on the top. For example, when the template is drilled, the positioning groove is milled at a position offset from the center line on the side of the template, and, for example, a pair of guide post holes and/or guide sleeve holes are provided offset from the center distance by 3 to 5 countries. In this way, the mold can be misaligned in the process of assembly, use, and maintenance during assembly and disassembly, and the wrong mode can be avoided during mold clamping. For example, a preferred embodiment is a mold base comprising at least one pair of templates, the pair of templates comprising a first template and a second template; each pair of templates comprising at least two pairs of connection template holes, The pair of connection template holes includes a guide sleeve connection template hole and a guide post connection template hole; the first template is provided with at least two guide sleeve connection template holes and a guide sleeve assembly; the guide sleeve assembly is provided with a guide sleeve assembly a guiding sleeve and a guiding sleeve elastic sleeve thereof, the guiding sleeve has a second trapezoidal cross section; the guiding sleeve elastic sleeve is mounted on the guiding sleeve connecting mold a guide hole sleeve is mounted on the guide sleeve elastic sleeve; the second template is provided with at least two guide pillars connecting the template hole and the guide pillar assembly; the guide pillar assembly is provided with a guide pillar and a guide pillar thereof An elastic sleeve having a first trapezoidal cross-section; the guide post elastic sleeve is mounted on the guide post connecting the template hole, and the guide post is mounted on the guide post elastic sleeve; wherein the trapezoid is isosceles a trapezoid having a tangent value of 9 to 14; and the guide sleeve connecting template hole and the guide post connecting the template hole have the same aperture, the guide sleeve elastic sleeve and the outer diameter of the guide post elastic sleeve Similarly, the aperture is the same as the outer diameter; the elastic sleeve is axially provided with a slit portion having a width of 1 to 3 mm; the elastic sleeve has a wall thickness greater than 2 mm; and the inner wall of the elastic sleeve is disposed a first friction portion, the outer wall of the elastic sleeve is provided with a second friction portion; and the first template and the second template are provided with corresponding positioning grooves.

For example, in the manufacture of the formwork, the process of manufacturing the guide post includes: blanking, roughing, heat treatment (quenching, qualitative), grinding center hole, rough grinding outer circle, taper circle. For another example, the process of manufacturing the guide bush includes: blanking, roughing, drilling, heat treatment (quenching, qualitative), finishing hole, boring, casting hole, grinding outer circle and end surface. For example, the process of manufacturing the tapered elastic sleeve includes: blanking, roughing, hole making, heat treatment (quenching, qualitative), grinding cone hole, grinding outer circle and end surface, axial slitting. For another example, the process of manufacturing the upper and lower templates includes: blanking, heat treatment (aging treatment), milling, grinding plane, drilling, and boring. For another example, the assembly and disassembly process of the formwork includes: before the assembly of the formwork, each pair of guide columns and guide sleeves are selected according to the matching gap value of the guide post and the guide sleeve specified by the accuracy grade of the formwork; the guide post should be removed before assembly , grease, dust, etc. on the mating surface of the guide sleeve tapered sleeve assembly, remove grease, dust, etc. from the connection hole between the template and the guide post and the tapered sleeve assembly; adjust the verticality when the guide assembly is assembled, when the guide post is assembled By guiding the guide bush, when assembling the guide post, the two guide posts with the farthest distance should be assembled first, and whether the test opening and closing are flexible. If there is a blockage, adjust and then reassemble; The diagonal and cross-order are tightened, and the trial opening and closing are performed several times. After the two guide posts are properly installed, the third and fourth assemblies are assembled in sequence, and the above test should be performed once for each assembly until appropriate. After the guide post and guide bush are assembled with the movable platen and the static formwork, when the mold is opened and closed, the guide bar and the guide bush should be slidably flexible and free from blockage. When disassembling the connection: Loosen all the screws on the sleeve end, screw the screw into the auxiliary screw hole of the sleeve of the conical elastic sleeve assembly, tighten it to generate the thrust, and gently tap and pull out the screw head to loosen the disassembly and pull the screw. The tapered elastic sleeve can be pulled out. For example, the guide post adopts the structure of Fig. 2A and Fig. 2F. It is only necessary to use a copper rod or other auxiliary instrument to tap the end surface of the joint between the guide post and the template, and the self-locking of the tapered surface can be removed.

For example, a die formwork structure is shown in FIG. 4, wherein the upper die plate 501 is provided with a guide sleeve elastic sleeve 502, which is sleeved. The guide sleeve 503, the guide sleeve 503 and the guide sleeve elastic sleeve 502 are fixed by the first bolt 508; the guide sleeve 503 is sleeved with the guide post 504, the guide post 504 is a straight rod, which is convenient to manufacture, and the guide post 504 and the lower template 507 use tapered elastic The sleeve assembly is connected, the first tapered guide post elastic sleeve 505 and the second tapered guide post elastic sleeve 506 are all provided with a through groove in the axial direction, that is, the slit portion, and the elastic sleeve increases elasticity after the slotting, assembly As the second bolt 509 is tightened, the inner diameter of the first tapered guide post elastic sleeve 505 is reduced, and the outer diameter of the second tapered guide post elastic sleeve 506 is increased to connect the guide post 504 with the lower die plate 507. Preferably, the elastic sleeves of the two tapered guide columns are made of the same material and have the same thickness; preferably, the axial slits (ie, the gap portions) of the elastic sleeves of the two tapered guide columns are 180 ° apart when installed.

In another example, a plastic injection molding frame, as shown in FIG. 5, the upper template 604 is fixed to the upper clamping plate 601, wherein the upper template 604 is provided with a guiding sleeve elastic sleeve 603, which is sleeved by the guiding sleeve 602, the guiding sleeve 602 and The guide sleeve elastic sleeve 603 is fixed by the first bolt 612; the guide sleeve 602 is sleeved with the guide post 605, and the guide post elastic sleeve 606 is disposed at one end of the guide post 605 away from the guide sleeve 602, and the guide post 605 is sleeved, and is fixed by the second bolt 613 The lower template 607; thus, after the guide post and the first bolt are installed, the guide sleeve and the guide sleeve elastic sleeve are firmly fixed to the upper template. The upper top plate 609 is fixed to the lower die plate 607 by bolts, and the lower top plate 610 is fixed to the upper top plate 609 by bolts; the fixing block 608 is disposed between the lower clamp plate 61 1 - end and the lower die plate 607, for example, the fixed block is a square iron. The lower clamp plate 61 is fixed to the fixed block 608 by bolts, and the other end is fixed to the lower die plate 607 by bolts.

In various embodiments of the present invention, the shape and structure of the guide columns are the same or different, and/or the shape, structure or the shape of the template is the same, and/or whether the splint, the top plate, etc. are provided, according to the requirements of the specific mold frame. However, the principle of the elastic sleeve is the same and is the focus of the claimed invention.

For example, the aperture is set according to the thickness of the mold plate, including the thickness of the upper or lower template, etc. Preferably, the aperture is proportional to the thickness of the template. For example, for some thicker formwork panels, such as plastic mold frame thicknesses greater than or equal to 150 countries, the size of the tapered elastic guide sets is too large. For example, as shown in FIG. 6, the guide sleeve 702 is directly fixed in the hole of the template 703 by using a conventional transition fit, wherein the first template 703 is fixed to the upper clamp 701, and the first template 703 is provided with the guide sleeve 702. The guide sleeve 702 is sleeved with a guide post 704. The first elastic sleeve 707 is disposed at a side of the guide post 704 away from the guide sleeve 702, and the second elastic sleeve 705 is disposed between the first elastic sleeve 707 and the guide sleeve 702. The first elastic sleeve 707 and the second elastic sleeve 705 are respectively disposed on the second template 706, and the first elastic sleeve 707 and the second elastic sleeve 705 are respectively fixed to the second template 706 by bolts; The support plate 708 is disposed between the upper top plate 710 and the second template 706. The upper top plate 710 is sequentially fixed to the support plate 708 and the second template 706 by bolts. The lower top plate 71 1 is fixed to the upper top plate 710 by bolts, and the fixed block 709 is disposed on the upper plate 710. Between the lower plate 712 and the support plate 708, the lower plate 712 passes The bolts are sequentially fixed to the fixed block 709, the support plate 708, and the second template 706. In this embodiment, two sets of tapered elastic sleeves or tapered elastic sleeve assemblies are used for the connection between the guide post 704 and the second template 706. The fixed guide sleeve 702 should be installed firstly, and the guide post 702 is used to guide the guide post 704. The guide function is guided to fix the guide post 704. When the guide post is installed, the guide post is inserted into the fixed guide sleeve, the first elastic sleeve 707 for fixing the fastening guide post 704 is adjusted, and the template is pushed and pulled to determine two templates 703 and 706. The relative linear motion is smooth and smooth, and then the guide post 704 fixed to the second template 706 is withdrawn from the guide sleeve 702, and then the second elastic sleeve 705 for fixing the guide post 704 is fixed, and the guide post 704 is inserted into the guide sleeve again. 702 and push-pull the template to determine that the relative linear motion between the first template 703 and the second template 706 is smooth and smooth. Preferably, as shown in FIG. 6, the guide sleeve 702 can be replaced by two sets of tapered elastic guide sleeves, and the coupling and assembly of the two sets of tapered elastic guide sleeves with the first template 703 and the above-mentioned guide pillar elastic sleeve The group is the same.

The structure of the slidingly connected guide member shown in each of the above embodiments can be used for the guide member of the rolling connection of the mold or the mold base. As shown in FIG. 7, the guide sleeve 801 is fixed to the upper template 807 by the guide sleeve elastic sleeve 808, and the guide sleeve 801, the guide sleeve elastic sleeve 808 and the upper template 807 are fixed and disassembled by the second screw 809; The guide post elastic sleeve 81 1 is fixed to the lower template 803, and the guide post 804, the guide post elastic sleeve 81 1 and the lower template 803 are fixed and disassembled by the first screw 806 through the meson 805; the guide post 804 passes through the spring 802, and several The ball 810 and its ball cage (not shown) are in rolling connection with the guide sleeve 801; thus, the working principle and structure of the mold frame adopting the rolling guide member and the sliding guide mold frame shown in the above embodiments are used. The principle and structure are similar. On the guiding surface of the guide post or the guide sleeve, a ball and a ball cage are arranged. When the formwork is working, the sliding linear motion between the guide post and the guide sleeve is changed into a rolling linear motion, and the rolling guide and the template are The connection is exactly the same as the connection of the sliding connector.

Further, the embodiment of the present invention further includes the molds formed by combining the technical features of the above embodiments. The accuracy of the work of the formwork described in these embodiments depends on the machining accuracy and assembly accuracy of the movable and static stencils and the sets of guide post guides. The upper guide bushing hole and the lower template guide post hole, the positional accuracy of the hole and the hole is difficult to be ensured in the conventional processing in the above precision, and the embodiments of the present invention are used for the fine grinding of the upper and lower templates and are matched with the drill, especially It is clamped together and matched at the same time to ensure the positional accuracy of the upper template guide sleeve hole and the lower template guide post hole. Moreover, this drilling and boring process can be machined on a vertical milling machine without the use of expensive coordinate boring machines, which increases the precision while saving production costs.

Moreover, the embodiments of the present invention use a conical elastic sleeve connection instead of a transition fit, and have high centering precision and good connection rigidity. Preferably, a reliable value is obtained through testing and measurement to correspond to the deformation amount of the conical elastic sleeve, thereby ensuring Connected Rely on sex.

The tapered elastic sleeve of the embodiments of the present invention is easy to manufacture and simple to install, and the machining of the shaft and the hole in which the tapered elastic sleeve is mounted does not require high-precision manufacturing tolerances like the transition fit. The tapered elastic sleeve only requires good concentricity between the tapered surface and the cylindrical hole, and does not require high machining accuracy and surface quality of the hole and shaft dimensions. There is also no need to heat, cool or pressurize the guide post and tapered elastomeric sleeve assembly, just tighten the screws to the specified torque. Moreover, with this structure, when the guide post or the guide sleeve is worn, it can be replaced in time to ensure the guiding precision. For example, when the punching die is sharpening the cutting edge of the convex and concave die, it is convenient to remove the guide post or the guide bushing. The ground is machined to the convex four-mode, and the original assembly accuracy of the mold base can still be maintained after reinstalling the guide post or the guide sleeve. When the guide bush guide sleeve is worn, it can be repaired by electroplating, etc., which is quick and economical and reduces the use cost of the mold.

The processing method of the invention and its various embodiments is simple and feasible, and can be processed by a general machine tool to meet the processing requirements of the product parts. The principle and method for manufacturing the mold frame of the present invention and various embodiments thereof can be applied to mold frames of various types of metal molds, plastic molds, ceramics, rubber and glass products, such as molded molding molds, and the guide pillar guide sleeves are used as guide members, and the principle is And the structural form can be completely used on the mold frame using the rolling guide, which can reduce the production difficulty and cost while ensuring the precision of the mold base. It is particularly advantageous for the production of various mold bases for small and medium-sized enterprises, and is convenient for the manufacture of various large mold bases. Achieve serialization and commercialization.

It is to be noted that the preferred embodiments of the present invention are described in the specification of the present invention, and the invention may be embodied in many different forms and not limited to the embodiments described herein. These examples are not intended to limit the scope of the invention, and the embodiments are provided to make the understanding of the disclosure of the invention more comprehensive. Further, each of the above technical features is further combined with each other to form various embodiments that are not enumerated above, and are considered to be within the scope of the present specification; further, those skilled in the art may modify or change according to the above description. All such improvements and modifications are intended to be included within the scope of the appended claims.

Claims

Rights request

A mold base, comprising: at least one pair of templates, the pair of templates comprising a first template and a second template;

The method further includes at least two pairs of connection template holes, wherein the pair of connection template holes comprise a guide sleeve connection template hole and a guide post connection template hole;

A guide sleeve, a guide post and at least one elastic sleeve are disposed corresponding to the pair of connection template holes, and one end of the guide post is fixed to the guide post connection template hole by at least one elastic sleeve, and the guide sleeve is fixed The guide sleeve is connected to the template hole, and the other end of the guide post is disposed in the guide sleeve;

among them,

The guide sleeve connection template hole has the same aperture as the guide post connection template hole;

The aperture is the same as the outer diameter of the elastic sleeve.

The mold base according to claim 1, wherein two elastic sleeves are disposed corresponding to the pair of connecting template holes, and the two elastic sleeves comprise a guiding sleeve elastic sleeve and a guiding column elastic sleeve;

The guide post is fixed to the guide post connection template hole through the guide post elastic sleeve, and the guide sleeve is fixed to the guide sleeve connection template hole through the guide sleeve elastic sleeve;

The guide sleeve elastic sleeve has the same outer diameter as the guide post elastic sleeve.

The formwork according to claim 2, wherein the first template is provided with at least two guide sleeves connected to the template holes, and the guide sleeve elastic sleeve is mounted on the guide sleeve connection template holes, the guide sleeve Mounted on the guide sleeve elastic sleeve;

The second template is configured to connect at least two pillars to the template hole, and the pillar elastic sleeve is mounted on the pillar connecting template hole, and the pillar is mounted on the pillar elastic sleeve.

The mold base according to claim 3, wherein: the guide sleeve is mounted on the guide sleeve connection template hole, and the guide sleeve has the same outer diameter as the guide sleeve elastic sleeve, and/or The guide sleeve elastic sleeve is mounted on the guide sleeve connection template hole, and the guide sleeve elastic sleeve is the same as the outer diameter of the guide pillar elastic sleeve;

The guide sleeve or the guide sleeve elastic sleeve has the same outer diameter as the guide post elastic sleeve.

5. The formwork according to claim 1, wherein said elastic sleeve has an inner tapered bore, said guide sleeve and said The guide post has an outer cone.

The mold base according to claim 5, wherein the outer cone of the guide sleeve is mounted in the inner tapered hole of the corresponding elastic sleeve of the guide sleeve, and the outer cone of the guide post is installed And in the inner tapered hole of the elastic sleeve corresponding to the guide post.

7. A formwork according to claim 6 wherein at least one threaded assembly is provided for effecting self-locking engagement of adjacent conical members.

The mold base according to any one of claims 1 to 7, wherein the elastic sleeve is provided with a slit portion in the axial direction and has a width of 1 to 3 mm.

9. The formwork according to claim 8, wherein the elastic sleeve has a wall thickness greater than 2 mm.

0至倍倍。 The axial dimension of the elastic sleeve and the template connection is 0.8 to 2 times the diameter of the connection between the elastic sleeve and the template.