CN103930221B

CN103930221B - The device of shape of metallic rod and corresponding method for bending with sizing

Info

Publication number: CN103930221B
Application number: CN201280055353.0A
Authority: CN
Inventors: G·德尔法布罗
Original assignee: MEP Macchine Elettroniche Piegatrici SpA
Current assignee: MEP Macchine Elettroniche Piegatrici SpA
Priority date: 2011-09-13
Filing date: 2012-09-10
Publication date: 2016-06-29
Anticipated expiration: 2032-09-10
Also published as: DK2755782T3; WO2013037725A1; BR112014005696A2; ITUD20110143A1; CN103930221A; EP2755782B1; BR112014005696B1; EP2755782A1

Abstract

The device of shape for the metallic rod (B) of bending with sizing, the metallic rod of this bending is provided with at least substantially first paragraph (16) linearly, substantially straight second segment (17), this second segment is relative with this first paragraph (16), is separated by bending section (18) and this first paragraph (16).Described first paragraph (16) turns to relative to the plane at described second segment (17) and at least some of place of described bending section (18).This device includes: the first adjacent element (25), described first adjacent element (25) is suitable for optionally keeping described bending section (18) and being provided with abutment surface (35), in use, this abutment surface holds at least some of and described bending section (18) at least some of of described second segment (17)；With the second adjacent element (26), this second adjacent element (26) is provided with pressure elements (41), and during use, this pressure elements (41) is arranged in first paragraph (16) top.Translation mechanism (39,42) one of described first adjacent element (25) or described second adjacent element (26) it is at least connected to, at least to make described first adjacent element (25) and described second adjacent element (26) translate relative to another one so that described bending section (18) can be deformed by described pressure elements (41) and described abutment surface (35).

Description

The device of shape of metallic rod and corresponding method for bending with sizing

Technical field

The present invention relates to the device of a kind of shape for correcting the metallic rod being previously bent, for instance there is at least one section bent with U-bend in the principal piece of this bar.

Especially, the both sides of the bar bent relative to each other that allows to align on the same plane according to assembly of the invention, and it is included in the bending section between these both sides.

Background technology

Bending machine becomes known for bending metals bar, for instance but not exclusively, in order to manufacturing and strengthen stirrup or bar, this reinforcement stirrup or bar relatively self bend suitably and are sometimes referred to as the shaped profile of special profile and for the special function in building field to limit.

Especially, substantially U-shaped bar is known, i.e. bar has relative to each other parallel or with the angled first paragraph of acute angle and second segment, and connects their bending section between this first paragraph and second segment.

In order to manufacture these shaped profiles, using bending apparatus, this bending apparatus is provided with the bending apparatus of the type such as with contrast pin or hoe shape pin.Especially, making bar to be bent move forward towards bending apparatus so that of its first paragraph highlights desired length, this desired length is equal to the length of the first bending section to obtain.Subsequently, by bending this bar around contrast pin or hoe shape pin, this bar is bent.In order to consider returning elastically of metallic rod, it is necessary to control this bending apparatus and make it make first paragraph bend an angle, this angle is more than actually wanting obtained angle between first paragraph and second segment.

This causes the necessary overlapping second segment of first paragraph, especially when considerable U-shaped bar.In order to avoid the interference between both sides, the bending table that bending apparatus is disposed thereon is usually provided with the plane of inclination, and during bending operation, the plane of this inclination makes its overlapping second segment for turning to first paragraph vertically.

This generation needing to cause uneven bar to first paragraph overlap second segment, i.e. first paragraph, second segment and their bending section of connection are not in alignment with each other in single plane.This at least needs in the special application of coplanarity condition between the both sides of bending is disadvantageous.

In other applications, it is also possible to need first and second sections of hope angles being mutually inclined restriction relative to each other, this is wished that angle is different from and arranges the angle of these two sections with it after bending operation.

It is an object of the invention to manufacture a kind of device, this device is used for the shape correcting the metallic rod being previously bent to obtain final shaped profile, this final shaped profile has the side of bending, and the side of this bending is substantially coplanar with each other, or tilts desired angle relative to each other.

It is another object of the present invention to manufacture the device of a kind of shape for calibration metal bar, this device manufactures simple and economical, and does not need the coplanarity condition that complicated operation realizes forming between the section of this bar or desired angle.

It is another object of the present invention to manufacture the device of a kind of shape for adjustable stem, this device can simply and quickly be directly integrated on the machine of bent stick, no matter these machines are new or have existed, this machine of intervention need not be invaded, volume will not be greatly increased and do not cause the important modification of cycle of operation.

A kind of method that it is another object of the present invention to improve shape for calibration metal bar, the method is simple, quickly and operation that need not be complicated.

A kind of method that it is another object of the present invention to improve shape for calibration metal bar, the method can directly be performed on bending machine, and just after the bending of bar.

The applicant is designed, and test and the enforcement present invention are to overcome the shortcoming of prior art and to obtain these and other objects and advantage.

Summary of the invention

The present invention is set forth in the independent claim and characterizes, and dependent claims describes other characteristic of the present invention or the variant of main invention thought.

According to above-mentioned purpose, according to the device of the shape of the metallic rod being used for bending with sizing of the present invention for correcting the mutual angle between the first paragraph relative to bending section between first paragraph and second segment and second segment.

Especially, the bar of the bending operated by this device is provided with at least substantially straight first paragraph, relative with first paragraph and by bending section and the separated second segment of first paragraph.Because the bending machining that first paragraph is already subjected to, first paragraph turns to relative to the plane at second segment and at least some of place of bending section.

According to a feature of the present invention, this device includes the first adjacent element and is arranged to the second adjacent element relative to the first adjacent element skew.

First adjacent element is suitable for interacting and keeping at least one part of bending section, and the first adjacent element is provided with abutment surface, being arranged at least partially on this abutment surface of at least some of and bending section of second segment.

Second adjacent element is provided with pressure elements, and during use, this pressure elements is arranged in above first paragraph.

At least one of translation mechanism and the first adjacent element or the second adjacent element connects, at least to make the one of the first adjacent element and the second adjacent element translate relative to another one.So, pressure elements and abutment surface make bending section deform to make first paragraph and second segment substantially opposite coplanar with each other, or require to tilt, relative to bending section, the angle limited according to application.

Especially, by keeping the restrained at least partially of bending section, and contacting abutment surface by being arranged to by second segment, due to the pressure elements effect to first paragraph, bending section for good and all deforms.

Form of implementation according to favored form, the first adjacent element includes crust component, and this crust component is suitable for limiting Casing supports, and at least one part of bending section is inserted in this Casing supports.

So, during the step for the shape of adjustable stem, above-mentioned crust component serves as holding element.

In another form of form of implementation, the first adjacent element includes Part I and is arranged to be substantially opposite the Part II that Part I is vertical.Part I and Part II limit abutment surface.More specifically, the Part I of the first adjacent element serves as the support member of the second segment for bar, and at least one part of Part II support bends section.

Advantageously, crust component and Part II are permanently connected or make monomer, and abutment surface belongs at least partly to Casing supports.

In another form of form of implementation, pressure elements is arranged to correspond to recessed area, this recessed area is defined between the Part I and Part II of the first adjacent element so that the motion of the second adjacent element can occur along the direction of the thickness of the two part.

According to further characteristic, correcting unit includes supporting pin, and this support pin is connected to the first adjacent element, and is generally arranged to highlight relative to abutment surface.Described bar is arranged between support pin and the second adjacent element, forces it to maintain appropriate location during bending step by this way.

Form of implementation according to a kind of form, supports pin and is arranged through the Part I of the first adjacent element.

In another form of form of implementation, the first translation mechanism and the second translation mechanism are connected with the first adjacent element and the second adjacent element respectively, so that the first adjacent element and the second adjacent element translate independently of one another.

The present invention also relates to the correlation technique of shape for correcting the metallic rod manufactured by device as above.

The device of the shape being used for calibration metal bar according to the present invention can also be applied to bending machine, and this bending machine includes the device for supplying metallic rod towards bending apparatus and shears the device shearing this bar by size.

Accompanying drawing explanation

Being described below of the embodiment of the preferred form provided as non-limitative example according to reference accompanying drawing, these and other characteristic of the present invention will be apparent from, wherein:

Fig. 1 is the perspective view of the correcting unit of the shape for calibration metal bar according to the present invention being applied to bending machine；

Fig. 2 is the perspective view of the correcting unit according to the present invention；

Fig. 3 is Fig. 2 correcting unit side view in the first operative configuration；

Fig. 4 is Fig. 2 correcting unit side view in the second operative configuration；

Fig. 5 is Fig. 2 correcting unit side view in the 3rd operative configuration；

Fig. 6 is Fig. 2 correcting unit side view in the 4th operative configuration；

Fig. 7-11 is the perspective view by the bar being bent according to the bearing calibration of the present invention and manufacturing；

Figure 12 is the perspective view of the variant of Fig. 2.

In order to promote to understand, in the conceived case, identical accompanying drawing labelling has been used for the identical common element in mark figure.

Detailed description of the invention

With reference to Fig. 1, the correcting unit for the shape of calibration metal bar B is indicated by accompanying drawing labelling 10 as entirety, and with bending machine 11 direct correlation of actually known type.

Especially, bending machine 11 includes feed mechanism 12, bending table 15, is used for the shear 13 being cut to size and the bending apparatus 14 for bent stick B.

Feed mechanism 12 is for supplying bar B towards bending apparatus 14, and this bending apparatus 14 is suitable for making bar B bend in a known way.

Bar B is curved to limit at least the first straightway 16, and the second straightway 17 of contiguous first paragraph 16, and bending section 18, this bending section 18 is between first paragraph 16 and second segment 17.The bending section 18 of bar B can present the different structure as shown in Fig. 7-11, (Fig. 8 and 10) of such as U-shaped, the circular arc (Fig. 7 and 11) that shape is such as partially enclosed, or it is shaped with crossing the part (Fig. 9) of the principal spread direction of bar B.

Shear 13 is provided with the plane 22 of the core inclination towards them and makes when first paragraph 16 is bent, its overlapping second segment 17, it is prevented that with the problem of the latter's interference.During bending, the existence of clinoplain 22 causes turning to of the first paragraph 16 producing bar B, and this makes it not coplanar with second segment 17.

The shortage of this coplanarity also comes from the character of material, tends to release surface tension force when this material bends with this angle, revises its reaction to bending.

Correcting unit 10 is arranged in bending apparatus 14 downstream, and is adapted to correct for first paragraph 16, the angle between second segment 17 and the bending section 18 connecting them.

Especially, correcting unit 10 (Fig. 2) according to the present invention includes at least the first adjacent element 25, can relative to the second adjacent element 26 of the first adjacent element 25 translation, and the support pin 27 being connected with the first adjacent element 25, and in this case, as one man may move together with the second adjacent element 26.

First adjacent element 25 is suitable for supporting the first end part 29 of second segment 17 at least in part and being at least directly connected to the Part II 30 of bending section 18 of first end part 29.

Especially, first adjacent element 25 is essentially L-shaped, namely, it has Part I 32 and is arranged to be substantially opposite the vertical Part II of Part I 32 33, and it is provided with abutment surface 35, during use, the first end part 29 of second segment 17 and the Part II 30 of bending section 18 are shelved on this abutment surface 35.

Abutment surface 35 is arranged to be arranged essentially parallel to bending table 15 at each occurrence.

Crust component 36 is fixedly connected to the Part II 33 of the first adjacent element 25, and is suitable for restriction Casing supports 37 together with abutment surface 35, and during use, at least the Part II 30 of bending section 18 is arranged in this Casing supports 37.

First adjacent element 25 is associated with the first translation mechanism 39, and this first translation mechanism 39 is used for making the first adjacent element 25 vertically translate, and makes the first adjacent element 25 highlight relative to bending table 1, or is fully retracted relative to it.

Second adjacent element 26 is arranged close to the end of the second segment 33 of the first adjacent element 25 and includes supporter 40, and pressure elements 41 is fixedly connected to this supporter 40.

Pressure elements 41 is arranged to correspond to recessed area, and this recessed area is defined between the Part I 32 and Part II 33 of the first adjacent element 25, and selective relative to both thickness translation rear, the i.e. direction of the instruction of the arrow F along Fig. 2.

Pressure elements 41 is provided with contrast surface 45, and this contrast surface 45 is caused during the motion of the second adjacent element 26 and contacts with first paragraph 16.

More particularly, the second translation mechanism 42 is fixedly connected to supporter 40, and independent relative to the first translation mechanism 39, and this second translation mechanism 42 is used for vertically translating the second adjacent element 26 relative to bending table 15.

Support pin 27 to be arranged through and the centrage of Part I 32 close to the first adjacent element 25.

In this case, pin 27 is supported independent of the first adjacent element 25 and selectively moved in phase with the second adjacent element 26.

Support pin 27 and can be provided with the motion independent relative to the second translation mechanism 42, or in the embodiment of other form, the second translation mechanism 42 their own is used for moving the second adjacent element 26 and supporting pin 27.

Support component 43 (Fig. 1) (is two in this case) and is provided for support bar B, and this bar B was bent in the period of moving along bending table 15.Especially, in this case, the first support component 43 is between bending apparatus 14 and correcting unit 10, and other support component 43 is arranged in the downstream of correcting unit 10 next-door neighbour.

Two support components 43 can optionally translate to arrive first mode of operation prominent relative to bending table 15, and arrives the second mode of operation being retracted in bending table 15.

Once bar B has been bent and has performed the operation of the shape of the section for adjustable stem, the shear 13 (Fig. 1) being arranged between feed mechanism 12 and bending apparatus 14 is just used for being cut to size bar B.

Bending table 15 is arranged to substantially vertical in this case, or in other cases be arranged to tilt so that bent stick B once be used for bend it and correction shape all operations have been carried out just can due to action of gravity from bend machine 11 be discharged.

With reference to Fig. 3-6, according to the present invention, presently describe the function of the correcting unit 10 of the shape for adjustable stem B.

Use that known method performs by the bending step of the bar B of bending apparatus 14 during, the correcting unit 10 for the shape of adjustable stem is disposed relative in the non-operating state of bending table 15 indentation, in order to do not produce the interference of motion with bar B.

Once complete bending operation, correcting unit the 10, first adjacent element 25 and the second adjacent element 26 are put into their first mode of operation prominent relative to bending table 15 at least substantially coplanar with bending table 15 (Fig. 3) will be arranged to abutment surface 35.

Second adjacent element 26 is arranged to, relative to the prominent first distance L of bending table 15, raise relative to the first adjacent element 25 to allow bar B to pass under without the problem interfered at pressure elements 41.

In such state, the second segment 17 of bar B is still clamped by feed mechanism 12, and this feed mechanism is for the bar B towards correcting unit 10 supply bending.

Especially, it is used for supplying bar B the Part II 30 of at least bending section 18 to be inserted in Casing supports 37 and first end part 29 and Part II 30 to be arranged in the abutment surface 35 of the first adjacent element 25.

In such state, the second adjacent element 26 is made to enter the second duty from the prominent second distance D (more than the first distance L) determined of bending table 15.

Subsequently, the first translation mechanism 39 translates the first adjacent element 25 towards the second adjacent element 26.During the translation of the first adjacent element 25, bar B also translates vertically, and this bar is shelved on abutment surface 35 with its second segment 17 and bending section 18 and is inserted respectively in Casing supports 37.

The existence of the translation of the first adjacent element 25 makes to apply pressure effect on first paragraph 16 by pressure elements 41, so as to make first paragraph 16 align with second segment 17, or makes first paragraph 16 angled with the angle limited relative to second segment 17.

Especially, in order to consider returning elastically of bar B, during bending, it is necessary that, the abutment surface 35 of the first adjacent element 25 is at least up to a height, and this is highly equal to or higher than the height (relative to bending table 15) on the contrast surface 45 of pressure elements 41.

The existence of second distance D also makes the end of first paragraph 16 not interfere bending table 15 during the pressure effect that pressure elements 41 applies, and this interference will cause undesirable deformation of bar B in turn.

Then, at least the first adjacent element 25 is made to return in the state that abutment surface 35 aligns with bending table 15.So, feed mechanism 12 is used for from correcting unit 10 release lever B and therefore by allowing removing of bar B with shear 13 shear rod B.During this last operation, correcting unit 10 can enter its non-operating state relative to bending table 15 indentation.

During aforesaid operations, support pin 27 for being maintained in desired position by bar B, i.e. at least bending section 18 cooperates with Casing supports 37, even if during the operation of lifting arm B.

It is clear that when not necessarily departing from the field of the invention and scope, it is possible to the apparatus and method of the shape being used for calibration metal bar as described previously are made amendment partly and/or interpolation.

Such as, when the structure shaped bar B according to Fig. 9, correcting unit 110 (Figure 12) according to the present invention has the first contrast element 25, and this first contrast element is provided only with Part II 33, and crust component 36 is directly integrated into this Part II 33.

Crust component 36 is provided with abutment surface 35, and this abutment surface performs function same as described above.Casing supports 37 allows the second segment 17 of bar B to insert through it, and the part of bending section 18 and first paragraph 16 highlight from Casing supports 37 simultaneously.

Second adjacent element 26 is acted directly on first paragraph 16 by pressure elements 41.

What will also recognize that is; although describing the present invention by reference to some object lessons; but those skilled in the art should be capable of other equivalents many of the apparatus and method of the shape for calibration metal bar without doubt; these other equivalents many have the characteristic set forth in claim, and therefore all drop in the protection domain thus limited.

Claims

1. being used for the device of the shape of the metallic rod (B) of bending with sizing, described metallic rod (B) is provided with first paragraph (16) at least linearly；Straight second segment (17), described second segment (17) is relative with described first paragraph (16), is separated by bending section (18) and described first paragraph (16)；Described first paragraph (16) turns to relative to the plane at described second segment (17) and at least some of place of described bending section (18), it is characterized in that, described device includes: the first adjacent element (25), described first adjacent element (25) is suitable for optionally keeping described bending section (18) and being provided with abutment surface (35), in use, this abutment surface holds at least some of and described bending section (18) at least some of of described second segment (17)；With the second adjacent element (26), described second adjacent element (26) offsets and is provided with pressure elements (41) relative to described first adjacent element (25), and described pressure elements (41) is disposed in described first paragraph (16) top during use；Translation mechanism (39,42) one of described first adjacent element (25) or described second adjacent element (26) it is at least connected to, at least to make the one of described first adjacent element (25) and described second adjacent element (26) translate relative to another one so that described bending section (18) can be deformed by described pressure elements (41) and described abutment surface (35).

2. device according to claim 1, it is characterized in that, described first adjacent element (25) includes crust component (36), described crust component (36) is suitable for limiting Casing supports (37), and described Casing supports (37) is suitable for keeping at least some of of described bending section (18).

3. device according to claim 2, it is characterized in that, described first adjacent element (25) includes Part I (32) and is arranged to the Part II (33) vertical relative to described Part I (32), described Part I (32) and described Part II (33) and limits described abutment surface (35).

4. device according to claim 3, it is characterized in that, described pressure elements (41) is arranged to correspond to recessed area, and this recessed area is defined to be positioned between described Part I (32) and the described Part II (33) of described first adjacent element (25).

5. device according to claim 3, it is characterized in that, support pin (27) and be connected to described first adjacent element (25), and it is arranged to highlight relative to described abutment surface (35), and described bar (B) is arranged in described support between pin (27) and described second adjacent element (26).

6. device according to claim 5, it is characterised in that described support pin (27) is arranged through the described Part I (32) of described first adjacent element (25).

7. device according to claim 4, it is characterized in that, support pin (27) and be connected to described first adjacent element (25), and it is arranged to highlight relative to described abutment surface (35), and described bar (B) is arranged in described support between pin (27) and described second adjacent element (26).

8. device according to claim 7, it is characterised in that described support pin (27) is arranged through the described Part I (32) of described first adjacent element (25).

9. the device according to aforementioned any one claim, it is characterized in that, first translation mechanism (39) and the second translation mechanism (42) are connected with described first adjacent element (25) and described second adjacent element (26) respectively, so that described first adjacent element (25) and described second adjacent element (26) translate in mode independent of each other.

10. the method being used for the shape of calibration metal bar (B), described method at least includes bending step, described bending step bends described metallic rod (B) at least to limit first paragraph (16) linearly and straight second segment (17), described second segment (17) is relative with described first paragraph (16) and is separated by bending section (18) and described first paragraph (16), described first paragraph (16) turns to relative to the plane at described second segment (17) and at least some of place of described bending section (18), it is characterized in that, described method at least includes correcting described first paragraph (16) by correcting unit (10), the subsequent step of the shape between described second segment (17) and described bending section (18), described aligning step provides at following sub-step: kept at least one of sub-step of described bending section (18) by the first adjacent element (25), described first adjacent element (25) is provided with abutment surface (35), being arranged at least partially on described abutment surface (35) of described second segment (17)；In the sub-step of described first paragraph (16) pressure elements arranged above (41), the second adjacent element (25), described second adjacent element (26) is arranged to offset relative to described first adjacent element (25)；And another sub-step, during this sub-step, the at least one of described first adjacent element (25) or described second adjacent element (26) translates relative to another one, so that described bending section (18) can be deformed by the described pressure elements (41) acted on described first paragraph (16).

11. method according to claim 10, it is characterized in that, the aligning step of described shape provides at: the first sub-step, during described first sub-step, described metallic rod (B) is transported to described correcting unit (10) along transporting flat (15), and the described abutment surface (35) of described first adjacent element (25) is disposed parallel to described transporting flat (15)；With the second sub-step, in described second sub-step, described correcting unit (10) vertically translation makes described correcting unit (10) highlight from described transporting flat (15).

12. method according to claim 11, it is characterized in that, after described second sub-step, described first adjacent element (25) translates towards described pressure elements (41) so that described pressure elements (41) applies pressure on described first paragraph (16).

13. be used for bending the equipment of at least metallic rod (B), described equipment at least includes for carrying the feed mechanism (12) of described metallic rod (B) to bending apparatus (14) and being used for shearing by size the shear (13) of described metallic rod (B), described bending apparatus (14) is set to bend described metallic rod (B) and at least to limit first paragraph (16), the second segment (17) of contiguous described first paragraph (16) and bending section (18), described bending section (18) is between described first paragraph (16) and described second segment (17), described first paragraph (16) turns to relative to the plane at described second segment (17) and at least some of place of described bending section (18), it is characterized in that, described equipment also includes the device of the shape for metallic rod (B) as described in correcting as described in any one in claim 1-9.

14. equipment according to claim 13, it is characterized in that, described correcting unit (10) is arranged in described bending apparatus (14) downstream, and described feed mechanism (12) is suitable for from the mobile described bar (B) of described correcting unit (10) and moves described bar (B) towards described correcting unit (10).