CN104325045A - Hydraulic tooth-free bending mechanism - Google Patents
Hydraulic tooth-free bending mechanism Download PDFInfo
- Publication number
- CN104325045A CN104325045A CN201410443489.XA CN201410443489A CN104325045A CN 104325045 A CN104325045 A CN 104325045A CN 201410443489 A CN201410443489 A CN 201410443489A CN 104325045 A CN104325045 A CN 104325045A
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- CN
- China
- Prior art keywords
- connecting rod
- bar
- linkage
- bending mechanism
- rod unit
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/006—Bending wire other than coiling; Straightening wire in 3D with means to rotate the tools about the wire axis
Abstract
The invention discloses a hydraulic tooth-free bending mechanism. The hydraulic tooth-free bending mechanism comprises a bending body, a connecting rod device and a hydraulic cylinder, the hydraulic cylinder comprises a piston rod; the piston rod is connected with one end of the connecting rod device; the bending body comprises a revolving shaft; the other end of the connecting rod device is connected with the revolving shaft; the inner side of the connecting rod device is provided with a chamfer; the axial lead of the piston rod is positioned on the outer side of the axial lead of the connecting rod device. The piston rod of the hydraulic cylinder is used for pushing the connecting rod device and driving the revolving shaft of the bending body to rotate, so that pushing of the connecting rod and rotation of the revolving shaft are realized by controlling the hydraulic pressure of the hydraulic cylinder. The hydraulic tooth-free bending mechanism disclosed by the invention has the characteristics of simple structure, high bending efficiency and low manufacturing cost, prolonged service life, and enhanced working reliability.
Description
Technical field
The invention belongs to a kind of wire rod processing unit (plant), especially relate to the anodontia bending mechanism of a kind of hydraulic pressure.
Background technology
Bending mechanism typically refers to the mechanism within bending 360 °, and the scope of application is wide, usually adopts reducing gear to drive axis of rotation, and realize treating the bending of bend, complex structure by the rotary motion of rack-and-pinion, manufacturing cost is high; And by rack pinion easily occur engage time tooth fracture, affect service life.Meanwhile, due to the complexity of its structure, and overall volume is comparatively large, makes some local structure constraint system, bad realization.
Summary of the invention
The object of the present invention is to provide the anodontia bending mechanism of a kind of hydraulic pressure, at least one in can solving the problems of the technologies described above.
According to an aspect of the present invention, provide the anodontia bending mechanism of a kind of hydraulic pressure, comprise bent bodies, linkage and hydraulic cylinder, hydraulic cylinder comprises piston rod, piston rod is connected with one end of linkage, and bent bodies comprises rotating shaft, and the other end of linkage is connected with rotating shaft, offer chamfering inside linkage, the axial line of piston rod is positioned at the outside of the axial line of linkage.
The invention has the beneficial effects as follows: the piston rod of hydraulic cylinder promotes linkage, then drives the axis of rotation of bent bodies, thus by the promotion of hydraulic pressure realization to connecting rod of hydraulic control cylinder, the use of reducing gear can be decreased, simplify overall structure; The axial line of piston rod is positioned at the outside of the axial line of linkage, makes piston rod when starting to promote linkage, and under the active force of piston rod, linkage can not bend, and ensures that linkage effectively can promote axis of rotation, improves bending efficiency; Be provided with chamfering inside linkage, after it can be made to promote axis of rotation, linkage, to chamfering curving, ensures the rotation of rotating shaft.Thus, bending mechanism decreases to reducing gear and rack-and-pinion use that hydraulic pressure of the present invention is anodontia, structure is simple, reduces manufacturing cost, and improves the reliability of service life and work.
In some embodiments, linkage can comprise outer bar and interior bar, and outer bar is positioned at bar both sides, and outer bar is fixedly connected with interior bar.Thus, be provided with interior bar and outer bar, piston rod better can be transmitted the power acted on linkage, stressed effect is good.
In some embodiments, outer bar can comprise the first bar and the second bar, and the first bar and the second pole pair claim the both sides being positioned at bar, and the first bar and the second bar include multiple first connecting rod unit be arranged in order.Thus, the transmission of the active force of each first connecting rod unit of convenient outer bar, convenient outer bar is bending simultaneously.
In some embodiments, interior bar can comprise multiple second connecting rod unit be arranged in order, and the axial length of second connecting rod unit is equal with the axial length of first connecting rod unit, and second connecting rod unit and first connecting rod unit are crisscross arranged.Thus, the uniform stressed of bar and outer bar in convenient, and facilitate the connection of first connecting rod unit and second connecting rod unit.
In some embodiments, the inner side at first connecting rod unit two ends and the inner side of second connecting rod unit all offer chamfering.Thus, can make first connecting rod unit and second connecting rod unit when bending, conveniently bend to the inside.
In some embodiments, outer bar and interior bar are fixed by bearing pin, and arbitrary first connecting rod unit and second connecting rod unit are equipped with two through holes corresponding with bearing pin.Thus, be provided with bearing pin and through hole, fixing of convenient outer bar and interior bar.
In some embodiments, bent bodies can also comprise armed lever, and armed lever is fixedly connected with rotating shaft, and linkage is connected with rotating shaft by armed lever.Thus, the connection that armed lever can facilitate rotating shaft and linkage is provided with.
In some embodiments, bent bodies can also comprise limited block, and limited block is positioned at rotating shaft side, and limited block is corresponding with bearing pin to be arranged.Thus, being provided with limited block can carry out spacing to bearing pin, prevents linkage from outwards moving.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of one embodiment of the present invention;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is the fit structure schematic diagram of interior bar and outer bar in the anodontia bending mechanism of hydraulic pressure of the present invention;
Fig. 4 is the structural representation that in the anodontia bending mechanism of hydraulic pressure of the present invention, linkage is connected with rotating shaft;
Fig. 5 is the structural representation of bent bodies in the anodontia bending mechanism of hydraulic pressure of the present invention;
Fig. 6 is the side-looking structural representation of through hole in the anodontia bending mechanism of hydraulic pressure of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
See figures.1.and.2: hydraulic pressure is anodontia bending mechanism, comprise bent bodies 1, linkage 2 and hydraulic cylinder 3, hydraulic cylinder 3 comprises piston rod 31, and piston rod 31 is connected by bearing pin with one end of linkage 2.Bent bodies 1 comprises rotating shaft 11, and the other end of linkage 2 is connected with rotating shaft 11, offers chamfering 21 inside linkage 2, and the axial line 311 of piston rod 31 is positioned at the outside of the axial line 24 of linkage 2.Operationally, the hydraulic pressure in hydraulic cylinder 3 increases gradually, and piston rod 31 moves to linkage 2 side under the effect of hydraulic pressure for hydraulic pressure of the present invention is anodontia bending mechanism.Chamfering 21 and the axle center of piston rod 31 lay respectively at the relative both sides in linkage 2 axle center, and when making piston rod 31 start to promote linkage 2, linkage 2 does not bend, and together advance along with piston rod 31, drive rotating shaft 11 to rotate gradually.
The control by using hydraulic cylinder 3 and linkage 2 can realize rotating shaft 11 rotation situation in bent bodies 1 of hydraulic pressure of the present invention is anodontia bending mechanism, avoid using the reducing gear in existing bending mechanism and rack-and-pinion, rotating shaft 11 can be driven to rotate by the transmission of linkage 2.Hydraulic pressure of the present invention is anodontia, and bending mechanism goes for the bending machinery such as hydraulic reinforcing-steel hoop bending machine and hydraulic pipe bender.
As shown in Figure 3 and Figure 4, linkage 2 comprises outer bar 22 and interior bar 23, and outer bar 22 is positioned at bar 23 both sides, and in order to ensure the intensity of linkage 2, the radial thickness of interior bar 23 is the twice of outer bar 22 radial thickness.Outer bar 22 is fixedly connected with interior bar 23, and outer bar 22 is fixed by bearing pin 6 with interior bar 23.
Outer bar 22 comprises the both sides that the first bar 221 and the second bar 222, first bar 221 and the second bar 222 symmetry are positioned at bar 23, and the first bar 221 and the second bar 222 include multiple first connecting rod unit 4 be arranged in order.
Interior bar 23 comprises multiple second connecting rod unit 5 be arranged in order, and the axial length of second connecting rod unit 5 is equal with the axial length of first connecting rod unit 4.Second connecting rod unit 5 and first connecting rod unit 4 are crisscross arranged, namely after the outer bar 22 that the interior bar 23 that forms of multiple second connecting rod unit 5 and multiple first connecting rod unit 4 form, the distance that the both ends of the surface of outer bar 22 all exceed the corresponding both ends of the surface of interior bar 23 equals the half of second connecting rod unit 5 axial length, makes the active force between second connecting rod unit 5 and first connecting rod unit 4 can transmission mutually.The two ends of its China and foreign countries' bar 22 exceed the two ends of interior bar 23.
As shown in Figure 3 and Figure 6, arbitrary first connecting rod unit 4 and second connecting rod unit 5 are equipped with two through holes 7 corresponding with bearing pin 6, the centre distance of two through holes 7 is the half of first connecting rod unit 4 or second connecting rod unit 5 axial length, two through hole 7 equal and opposite in directions, bearing pin 6 runs through through hole 7 and first connecting rod unit 4 and second connecting rod unit 5 is fixed, and outer bar 22 and interior bar 23 complete connection by bearing pin 6.
The inner side at first connecting rod unit 4 two ends and the inner side of second connecting rod unit 5 all offer chamfering 21, the equal and opposite in direction of each chamfering 21.
As shown in Figure 5, bent bodies 1 also comprises armed lever 12, and armed lever 12 is welded on the middle part of rotating shaft 11, and linkage 2 is connected with rotating shaft 11 by armed lever 12.One end of linkage 2 is fixedly connected with by bearing pin 6 with piston rod 31 by outer bar 22, piston rod 31 offers the installing hole matched with bearing pin 6; The other end of linkage 2 is fixedly connected with by bearing pin 6 with armed lever 12 by outer bar 22, armed lever 12 offers the installing hole matched with bearing pin 6.
Bent bodies 1 also comprises limited block 13, and limited block 13 is positioned at rotating shaft 11 side, and limited block 13 is corresponding with bearing pin 6 to be arranged, and namely limited block 13 pairs of bearing pins 6 carry out spacing; Limited block 13 has two pieces, contacts respectively with the two ends up and down of bearing pin 6.Conveniently bearing pin 6 contacts with limited block 13, collar 8 and lasso 9 is arranged with respectively successively at the two ends of bearing pin 6, when bearing pin 6 contacts with limited block 13, the two ends of bearing pin 6 are carried out spacing by limited block 13, prevent linkage 2 (i.e. principle rotating shaft 11 side) motion laterally, ensure that linkage 2 normally promotes rotating shaft 11 and rotates.
The conveniently installation of bent bodies 1 shaft 11 and limited block 13 and fixing, bent bodies 1 also comprises housing 14 and coaming plate 15, and coaming plate 15 is set in the outside of housing 14, and rotating shaft 11 is set in housing 14, and limited block 13 is weldingly fixed on coaming plate 15.
Operationally, the hydraulic action in hydraulic cylinder 3 promotes piston rod 31 outwards movement, and piston rod 31 starts to promote outer bar 22, and outer bar 22 and interior bar 23 together move, and outer bar 22 and interior bar 23 do not bend for hydraulic pressure of the present invention is anodontia bending mechanism; The other end of outer bar 22 is connected with armed lever 12, and outer bar 22 drives rotating shaft 11 to rotate by armed lever 12.Along with the rotation of rotating shaft 11, outer bar 22 and interior bar 23 are around the center rotating of rotating shaft 11, and outer bar 22 and interior bar 23 are to chamfering 21 curving; Meanwhile, limited block 13 pairs of bearing pins 6 carry out spacing, make outer bar 22 and interior bar 23 can only to rotating shaft 11 curving.The stroke of piston rod 31 is larger, and the angle that outer bar 22 and interior bar 23 promote rotating shaft 11 rotation is more, and the angle of bend that bent bodies 1 treats bent products is larger.When bent bodies 1 complete to product bending after, piston rod 31 is retracted, and piston rod 31 pulls linkage 2, and drives rotating shaft 11 to reverse, and achieves bending function.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (8)
1. the anodontia bending mechanism of hydraulic pressure, wherein, comprise bent bodies (1), linkage (2) and hydraulic cylinder (3), described hydraulic cylinder (3) comprises piston rod (31), described piston rod (31) is connected with one end of linkage (2), described bent bodies (1) comprises rotating shaft (11), the other end of described linkage (2) is connected with rotating shaft (11), described linkage (2) inner side offers chamfering (21), the axial line (311) of described piston rod (31) is positioned at the outside of the axial line (24) of linkage (2).
2. the anodontia bending mechanism of hydraulic pressure according to claim 1, wherein, described linkage (2) comprises outer bar (22) and interior bar (23), described outer bar (22) is positioned at bar (23) both sides, and described outer bar (22) is fixedly connected with interior bar (23).
3. the anodontia bending mechanism of hydraulic pressure according to claim 2, wherein, described outer bar (22) comprises the first bar (221) and the second bar (222), described first bar (221) and the second bar (222) symmetry are positioned at the both sides of bar (23), and described first bar (221) and the second bar (222) include multiple first connecting rod unit (4) be arranged in order.
4. the anodontia bending mechanism of hydraulic pressure according to claim 3, wherein, described interior bar (23) comprises multiple second connecting rod unit (5) be arranged in order, the axial length of described second connecting rod unit (5) is equal with the axial length of first connecting rod unit (4), and described second connecting rod unit (5) and first connecting rod unit (4) are crisscross arranged.
5. the anodontia bending mechanism of hydraulic pressure according to claim 4, wherein, the described inner side at first connecting rod unit (4) two ends and the inner side of second connecting rod unit (5) all offer chamfering (21).
6. the hydraulic pressure according to claim 4 or 5 is anodontia bending mechanism, wherein, described outer bar (22) and interior bar (23) are fixed by bearing pin (6), and arbitrary described first connecting rod unit (4) and second connecting rod unit (5) are equipped with two through holes (7) corresponding with bearing pin (6).
7. the hydraulic pressure according to any one of Claims 1 to 5 is anodontia bending mechanism, wherein, described bent bodies (1) also comprises armed lever (12), described armed lever (12) is fixedly connected with rotating shaft (11), and described linkage (2) is connected with rotating shaft (11) by armed lever (12).
8. the anodontia bending mechanism of hydraulic pressure according to claim 6, wherein, described bent bodies (1) also comprises limited block (13), described limited block (13) is positioned at rotating shaft (11) side, and described limited block (13) is corresponding with bearing pin (6) to be arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410443489.XA CN104325045B (en) | 2014-09-02 | 2014-09-02 | Hydraulic pressure is anodontia bending mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410443489.XA CN104325045B (en) | 2014-09-02 | 2014-09-02 | Hydraulic pressure is anodontia bending mechanism |
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| CN104325045A true CN104325045A (en) | 2015-02-04 |
| CN104325045B CN104325045B (en) | 2016-09-07 |
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| CN201410443489.XA Active CN104325045B (en) | 2014-09-02 | 2014-09-02 | Hydraulic pressure is anodontia bending mechanism |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3823749A (en) * | 1972-04-12 | 1974-07-16 | Evg Entwicklung Verwert Ges | Bending machine for wire or strip |
| CN2620795Y (en) * | 2003-01-28 | 2004-06-16 | 王存义 | Push-and-pull chain |
| CN101027504A (en) * | 2004-05-12 | 2007-08-29 | Vkr控股公司 | Push-pull chain and actuator |
| CN102284570A (en) * | 2011-07-14 | 2011-12-21 | 张家港市明华机械制造有限公司 | Single-oil cylinder small-circle bent pipe device |
| CN202571090U (en) * | 2012-05-10 | 2012-12-05 | 许友富 | Transmission mechanism of reinforced steel bar bending hoop device |
| CN103143643A (en) * | 2013-03-13 | 2013-06-12 | 嵊州市宏佳机械有限公司 | Pneumatic hoop bending device for steel bar hoop bending machine |
-
2014
- 2014-09-02 CN CN201410443489.XA patent/CN104325045B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3823749A (en) * | 1972-04-12 | 1974-07-16 | Evg Entwicklung Verwert Ges | Bending machine for wire or strip |
| CN2620795Y (en) * | 2003-01-28 | 2004-06-16 | 王存义 | Push-and-pull chain |
| CN101027504A (en) * | 2004-05-12 | 2007-08-29 | Vkr控股公司 | Push-pull chain and actuator |
| CN102284570A (en) * | 2011-07-14 | 2011-12-21 | 张家港市明华机械制造有限公司 | Single-oil cylinder small-circle bent pipe device |
| CN202571090U (en) * | 2012-05-10 | 2012-12-05 | 许友富 | Transmission mechanism of reinforced steel bar bending hoop device |
| CN103143643A (en) * | 2013-03-13 | 2013-06-12 | 嵊州市宏佳机械有限公司 | Pneumatic hoop bending device for steel bar hoop bending machine |
Non-Patent Citations (1)
| Title |
|---|
| 陈德生: "《舞台机械设计》", 31 August 2009 * |
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Effective date of registration: 20191107 Address after: Shaxi Zhen Tu song Cun Shi San Zu, Taicang City, Suzhou City, 215400 Jiangsu Province Patentee after: Taicang Rongrong hardware Electromechanical Equipment Co., Ltd Address before: 523000 Guangdong Province, Dongguan city Shijie town Yincui Fontana Gardens Building 2 903 Patentee before: Wu Jiaji |
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Effective date of registration: 20201021 Address after: 215400 room 01, building 13, No.1, Zhaoyan Road, Shaxi Town, Taicang City, Suzhou City, Jiangsu Province Patentee after: Suzhou Xineng Environmental Protection Technology Co.,Ltd. Address before: Shaxi Zhen Tu song Cun Shi San Zu, Taicang City, Suzhou City, 215400 Jiangsu Province Patentee before: Taicang Rongrong hardware Electromechanical Equipment Co.,Ltd. |
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Effective date of registration: 20210608 Address after: Room 01, building 13, No.1, Zhaoyan Road, Shaxi Town, Taicang City, Jiangsu Province Patentee after: Suzhou Xineng Environmental Protection Technology Co.,Ltd. Patentee after: SUZHOU LANGRU PRECISION MACHINERY TECHNOLOGY Co.,Ltd. Address before: Room 01, building 13, No.1, Zhaoyan Road, Shaxi Town, Taicang City, Jiangsu Province Patentee before: Suzhou Xineng Environmental Protection Technology Co.,Ltd. |
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