CN103143617B - Punching device - Google Patents
Punching device Download PDFInfo
- Publication number
- CN103143617B CN103143617B CN201310081746.5A CN201310081746A CN103143617B CN 103143617 B CN103143617 B CN 103143617B CN 201310081746 A CN201310081746 A CN 201310081746A CN 103143617 B CN103143617 B CN 103143617B
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- pivoted arm
- power transmission
- connecting hole
- supporting plate
- cylinder
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Abstract
The invention discloses a punching device. The lower end of a force transmission rotating arm is rotationally connected with a fixing bracket; one end of a force transmission rotating arm connecting plate is rotationally connected with the upper end of the force transmission rotating arm; the other end of the force transmission rotating arm connecting plate is rotationally connected with an air cylinder output switchover block; the air cylinder output switchover block is fixedly connected with an output shaft end of a perpendicular output air cylinder; a connecting hole between the force transmission rotating arm connecting plate and the force transmission rotating arm is recorded as a2; a connecting hole between the force transmission rotating arm connecting plate and the air cylinder output switchover block is recorded as a3; and in an original position, the connecting hole a2 and the connecting hole a3 are not in the same horizontal plane. The punching device has a force transmission structure with a simple structure; at a moment that a punch works, a rotating circumference tangency force obtained on the force transmission rotating arm is more than two times larger than the theoretical output of the air cylinder; the output of the air cylinder output switchover block keeps vertical all the time, so that the air cylinder output with less loss is transmitted to the force transmission rotating arm along the loss transmission rotating arm connecting plate; and the force transmission rotating arm transfers the force to the punch to apply work.
Description
Technical field
The present invention relates to a kind of hole punched device, belong to pressing equipment field.
Background technology
The design of the punching blanking mould of automobile product part, increases position, hole for product piece, and generally on assembly mould, the transformation of the way increases punching unit, or increases by a procedure, and design increases single raise Universal Die or little steel mould carrys out punching.Pneumatic stamping device of the prior art, generally all uses pneumohydraulic pressure-cylinder mechanism to carry out punching, and its moment can produce larger power, realize blanking operation, but it needs Hydraulic Station, sealing pipeline system, and institute takes up space large, and manufacturing expense is high.
Summary of the invention
The present invention, in order to solve problems of the prior art, provides a kind of hole punched device, and its structure is simple, possesses excellent force transferring structure.
In order to realize above-mentioned object, technical scheme of the present invention is: a kind of hole punched device, comprise fixed support, also comprise a power transmission pivoted arm, cylinder exert oneself transfer block, power transmission pivoted arm connecting plate, lower end and the described fixed support of described power transmission pivoted arm are rotationally connected, described one end of power transmission pivoted arm connecting plate and the upper end of power transmission pivoted arm are rotationally connected, and the other end and cylinder transfer block of exerting oneself is rotationally connected; Described cylinder transfer block of exerting oneself is connected with the axle head of exerting oneself of vertical cylinder of exerting oneself; Connecting hole between described power transmission pivoted arm connecting plate, power transmission pivoted arm is designated as connecting hole a2, and power transmission pivoted arm connecting plate, the cylinder connecting hole of exerting oneself between transfer block are designated as connecting hole a3, and during initial position, connecting hole a2 and connecting hole a3 is not in same level.
Preferably, in punching course, connecting hole a2 is all the time higher than connecting hole a3.
Preferably, the connecting hole between power transmission pivoted arm and fixed support is designated as connecting hole a1, and during punching press initial position, the line of the line of connecting hole a2, connecting hole a3 and connecting hole a2, connecting hole a1 is the angle of 81 °.
Preferably, during initial position, in connecting hole a2, be located across the right side of the vertical line in the connecting hole a1 center of circle.
Preferably, the vertically-guided mechanism that transfer block of exerting oneself with cylinder coordinates also is provided with.
Preferably, described vertically-guided mechanism is the guide plate be packed on fixed support.
Preferably, described fixed support comprises the first supporting plate and the second supporting plate that be arranged in parallel, and described power transmission pivoted arm is also rotationally connected with the first supporting plate, the second supporting plate between the first supporting plate and the second supporting plate.
Preferably, described guide plate is fixed on the rear end of the first supporting plate, the second supporting plate, for be rotationally connected power transmission pivoted arm connecting plate and cylinder exert oneself transfer block bearing pin two ends pass described power transmission pivoted arm connecting plate, cylinder exerts oneself transfer block, and a bearing for fitting with guide plate is fixed at the two ends of described bearing pin respectively.It had both ensured that cylinder was vertically exerted oneself, and also can produce a reaction force, formed force action in pivoted arm connecting plate by the bearing rolled on it.
Preferably, the upper end of described first supporting plate, the second supporting plate is also provided with prevention power transmission pivoted arm connecting plate, cylinder exerts oneself the stopping means that transfer block continues to rise, and described stopping means is the adjustment stud being packed in the first supporting plate, the second supporting plate upper end.
Preferably, described power transmission pivoted arm is connected by pivoted arm rotating shaft with fixed support, described pivoted arm rotating shaft comprises columned pivoted arm rotating shaft body, described pivoted arm rotating shaft body is fixed with at least one bearing coordinated with power transmission pivoted arm, and and second supporting plate coordinate bearing, be provided with between described each bearing gap adjustment pad.
Hole punched device of the present invention, it possesses a simple force transferring structure of structure, and by the composition principle theory calculate of power, the moment of drift work, the turning circumference phase shear force that power transmission pivoted arm obtains will be more than the theoretical twice of exerting oneself of cylinder.Cylinder exerting oneself of transfer block of exerting oneself remains vertical, ensure that cylinder is exerted oneself and is transmitted to power transmission pivoted arm by with less loss along power transmission pivoted arm connecting plate.This power is given to drift acting by power transmission pivoted arm again.
Accompanying drawing explanation
Fig. 1 shows hole punched device of the present invention and is assemblied in structural representation on fixture.
Fig. 2 shows the structural representation of hole punched device of the present invention.
Fig. 3, Fig. 4 show power transmission pivoted arm in Fig. 2, cylinder exerts oneself transfer block, assembling schematic diagram between power transmission pivoted arm connecting plate.
Fig. 5 shows the arm pivoted structural representation of Fig. 2 transfer.
Fig. 6 shows support bracket fastened part-structure schematic diagram in Fig. 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
With reference to figure 1, Fig. 2, Fig. 3, Fig. 4, Fig. 6, a kind of hole punched device disclosed by the invention, comprise a fixed support, also comprise a power transmission pivoted arm 49, cylinder exert oneself transfer block 46, power transmission pivoted arm connecting plate 52, three constitutes force transferring structure of the present invention, its matching relationship is as follows: lower end and the described fixed support of power transmission pivoted arm 49 are rotatably connected, power transmission pivoted arm 49 can be rotated on fixed support, described one end of power transmission pivoted arm connecting plate 52 and the upper end of power transmission pivoted arm 49 are rotationally connected, and the other end and cylinder transfer block 46 of exerting oneself is rotationally connected; Described cylinder transfer block 46 of exerting oneself is connected with the axle head of exerting oneself of vertical cylinder 42 of exerting oneself.Like this, based on the view direction of Fig. 2, vertically exert oneself cylinder 42 exert oneself axle head promote cylinder exert oneself transfer block 46 do straight line rise action, now, cylinder transfer block 46 of exerting oneself promotes power transmission pivoted arm 49 and rotates counterclockwise under the effect of power transmission pivoted arm 49, now, drift 50 can be arranged on the outside of power transmission pivoted arm 49, makes drift can carry out the action of punching press.Connecting hole between described power transmission pivoted arm connecting plate 52, power transmission pivoted arm 49 is designated as connecting hole a2, power transmission pivoted arm connecting plate 52, the cylinder connecting hole of exerting oneself between transfer block 46 are designated as connecting hole a3, during punching press initial position, connecting hole a2 and connecting hole a3 is not in same level.Such structure, by the composition principle theory calculate of power, the moment of drift work, the turning circumference phase shear force that power transmission pivoted arm 49 obtains will be more than the theoretical twice of exerting oneself of cylinder.Cylinder exerting oneself of transfer block 46 of exerting oneself remains vertical, ensure that cylinder is exerted oneself and is transmitted to power transmission pivoted arm 49 by with less loss along power transmission pivoted arm connecting plate 52.This power is given to drift 50 and is done work by power transmission pivoted arm 49 again.
With reference to figure 4, in order to the transmission of exerting all one's strength maximizes, in punching course, connecting hole a2 is all the time higher than connecting hole a3.During stamping position.Connecting hole between power transmission pivoted arm and fixed support is designated as connecting hole a1, and during initial position, preferably, the line of the line of connecting hole a2, connecting hole a3 and connecting hole a2, connecting hole a1 is the angle of 81 °.Make the power transmission effect of force transferring structure of the present invention better.More preferably, during initial position, in connecting hole a2, be located across the right side of the vertical line in the connecting hole a1 center of circle.
Hole punched device of the present invention, preferably also can be provided with the vertically-guided mechanism that transfer block 46 of exerting oneself with cylinder coordinates.Vertically-guided mechanism mainly ensures that cylinder exerts oneself transfer block 46 according to movement in vertical direction, and it can be any guider known in the art.Such as it can be the guide plate 55 be packed on fixed support, and cylinder transfer block 46 of exerting oneself is fitted with guide plate 55 all the time in vertical motion path, prevents cylinder transfer block 46 of exerting oneself from departing from upright position.
Above-mentioned fixed support can comprise the first supporting plate 48 and the second supporting plate 45 be arranged in parallel, and described power transmission pivoted arm 49 between the first supporting plate 48 and the second supporting plate 45, and is rotatably connected with the first supporting plate 48, second supporting plate 45.Guide plate 55 can be fixed on the rear end of the first supporting plate 48, second supporting plate 45, for be rotationally connected power transmission pivoted arm connecting plate 52 and cylinder exert oneself transfer block 46 bearing pin 54 two ends pass described power transmission pivoted arm connecting plate 52, cylinder exerts oneself transfer block 46, and a bearing 53 for fitting with guide plate 55 is fixed at the two ends of described bearing pin 54 respectively.Such as, the exert oneself upper end of transfer block 46 of cylinder is provided with a U-lag, and the termination of power transmission pivoted arm connecting plate 52 to be penetrated in this U-lag and connected by bearing pin 54, and now, the two ends of bearing pin 54 pass cylinder and to exert oneself the two ends of transfer block 46, and are fixedly mounted with a bearing 53 respectively.Like this, that exerts oneself transfer block 46 at cylinder moves both vertically in process, and bearing 53 fits together with guide plate 55 all the time, and does the action of rolling along guide plate 55, decreases the resistance that cylinder is exerted oneself between transfer block 46 and guide plate 55.The setting of guide plate 55 ensure that vertically exerting oneself of cylinder and produces a reaction force, bearing pin 54 by cylinder the cylinder of exerting oneself in transfer block 46 exert oneself and reaction force combine, define power transmission pivoted arm connecting plate 52 driving force source.Define cylinder moving both vertically of transfer block 46 of exerting oneself to exert oneself and the reaction force of guide plate 55 is formed and transmits along pivoted arm connecting plate 52 with joint efforts, and transmission loss is minimum.
The stroke of adjustment cylinder, by control cylinder air feed and give vent to anger, also can at described first supporting plate 48, the upper end of the second supporting plate 45 arranges a prevention power transmission pivoted arm connecting plate 52, transfer block 46 of exerting oneself cylinder continues the stopping means risen, the structure of this stopping means can be as follows: comprise one and be fixed on the first supporting plate 48, the installing plate of the second supporting plate 45 upper end, described installing plate is fixedly mounted with an adjustment stud 47 stretched into downwards, by the length that adjusting bolt 47 its lower end adjustable is stretched out, when power transmission pivoted arm connecting plate 52, cylinder exert oneself transfer block 46 rise put in place after, withstand adjusting bolt 47, prevent power transmission pivoted arm connecting plate 52, transfer block 46 of exerting oneself cylinder rises excessively.
Described power transmission pivoted arm 49 is connected by pivoted arm rotating shaft 44 with fixed support, with reference to figure 5, pivoted arm rotating shaft 44 comprises columned pivoted arm rotating shaft body 440, described pivoted arm rotating shaft body 440 is fixed with at least one bearing coordinated with power transmission pivoted arm 49, and and second supporting plate 45 coordinate bearing, gap adjustment pad is provided with between described each bearing, the bearing such as coordinated with power transmission pivoted arm 49 has two, be respectively bearing a442 and bearing b446, one is had with the bearing that the second supporting plate 45 coordinates, for bearing c443, position is adjusted by gap adjustment pad a441 and gap adjustment pad b447 between three bearings, direction as shown in Figure 5, the right-hand member of described pivoted arm rotating shaft 44 is fixed on the second supporting plate 45 by self-locking nut 444.Be provided with a pin block 445 at the left end of described pivoted arm rotating shaft body 440, by the bolt that pin block 445 is arranged, the left end of pivoted arm rotating shaft 44 be fixed on the first supporting plate 48; By the position between the bolt screw-in depth adjustable pivoted arm rotating shaft 44 on adjustment pin block 445 and fixed support.
Hole punched device of the present invention, also can comprise the hold-down support 41 for mounting and fixing bracket, can this hole punched device be packed on fixture by this hold-down support 41, such as be packed on the base plate plane 2 of the weld jig 1 of automobile radiators entablature, while not changing original product production process, only add hole punched device on former weld jig side.By clamp 3, workpiece is fixed, carry out the operation of punching or welding.
On drift 50, an additional discharging rubber 51 belongs to existing structure, no longer illustrates at this.
The present invention is by preferred embodiment having carried out detailed explanation.But, by studying carefully above, to the change of each embodiment with to increase also be that one of ordinary skill in the art institute is apparent.Being intended that all these changes and increasing of applicant has all dropped in scope that the claims in the present invention protect.
Similar numbering refers to similar element in the whole text.For clarity, the situation of some line, layer, element, parts or feature being amplified may be had in the accompanying drawings.
Term used herein is only and is illustrated specific embodiment, and it is also not intended to limit the invention.Unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) are all identical with the understanding of one of ordinary skill in the art of the present invention.
Claims (9)
1. a hole punched device, comprise fixed support, it is characterized in that: also comprise a power transmission pivoted arm, cylinder exerts oneself transfer block, power transmission pivoted arm connecting plate, lower end and the described fixed support of described power transmission pivoted arm are rotationally connected, described one end of power transmission pivoted arm connecting plate and the upper end of power transmission pivoted arm are rotationally connected, and the other end and cylinder transfer block of exerting oneself is rotationally connected; Described cylinder transfer block of exerting oneself is connected with the axle head of exerting oneself of vertical cylinder of exerting oneself; Connecting hole between described power transmission pivoted arm connecting plate, power transmission pivoted arm is designated as connecting hole a2, power transmission pivoted arm connecting plate, the cylinder connecting hole of exerting oneself between transfer block are designated as connecting hole a3, connecting hole a2 is all the time higher than connecting hole a3, the drift of described hole punched device, when described cylinder of vertically exerting oneself does straight line vertical motion, completes punch operation under the effect of the turning circumference phase shear force that described power transmission pivoted arm obtains.
2. hole punched device according to claim 1, it is characterized in that: the connecting hole between power transmission pivoted arm and fixed support is designated as connecting hole a1, during initial position, the line of the line of connecting hole a2, connecting hole a3 and connecting hole a2, connecting hole a1 is the angle of 81 °.
3. hole punched device according to claim 2, is characterized in that: during punching press initial position, and connecting hole a2 is centrally located at the right side of the vertical line through the connecting hole a1 center of circle.
4. hole punched device according to claim 1, is characterized in that: be also provided with the vertically-guided mechanism that transfer block of exerting oneself with cylinder coordinates.
5. hole punched device according to claim 4, is characterized in that: described vertically-guided mechanism is the guide plate be packed on fixed support.
6. hole punched device according to claim 5, it is characterized in that: described fixed support comprises the first supporting plate and the second supporting plate that be arranged in parallel, described power transmission pivoted arm is also rotationally connected with the first supporting plate, the second supporting plate between the first supporting plate and the second supporting plate.
7. hole punched device according to claim 6, it is characterized in that: described guide plate is fixed on the rear end of the first supporting plate, the second supporting plate, for be rotationally connected power transmission pivoted arm connecting plate and cylinder exert oneself transfer block bearing pin two ends pass described power transmission pivoted arm connecting plate, cylinder exerts oneself transfer block, and a bearing for fitting with guide plate is fixed at the two ends of described bearing pin respectively.
8. hole punched device according to claim 7, it is characterized in that: the upper end of described first supporting plate, the second supporting plate is also provided with prevention power transmission pivoted arm connecting plate, cylinder exerts oneself the stopping means that transfer block continues to rise, and described stopping means is the adjustment stud being packed in the first supporting plate, the second supporting plate upper end.
9. hole punched device according to claim 1, it is characterized in that: described power transmission pivoted arm is connected by pivoted arm rotating shaft with fixed support, described pivoted arm rotating shaft comprises columned pivoted arm rotating shaft body, described pivoted arm rotating shaft body is fixed with at least one bearing coordinated with power transmission pivoted arm, and and second supporting plate coordinate bearing, be provided with between described each bearing gap adjustment pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310081746.5A CN103143617B (en) | 2013-03-14 | 2013-03-14 | Punching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310081746.5A CN103143617B (en) | 2013-03-14 | 2013-03-14 | Punching device |
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| Publication Number | Publication Date |
|---|---|
| CN103143617A CN103143617A (en) | 2013-06-12 |
| CN103143617B true CN103143617B (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310081746.5A Active CN103143617B (en) | 2013-03-14 | 2013-03-14 | Punching device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162588A (en) * | 2014-07-21 | 2014-11-26 | 苏州璟瑜自动化科技有限公司 | Punching device based on X-ray thickness detection and photoelectric positioning |
| CN105499368A (en) * | 2015-12-29 | 2016-04-20 | 天津褔臻工业装备有限公司 | Pneumatic vehicle body punching device |
| CN110293169A (en) * | 2019-06-28 | 2019-10-01 | 燕山大学 | A kind of hole punched device for stretch benders |
| CN113680893B (en) * | 2021-08-05 | 2024-04-19 | 神龙汽车有限公司 | Device and method for punching mounting holes of side wall outer plate luggage carrier on welding fixture |
| CN113732172B (en) * | 2021-08-09 | 2022-09-02 | 安徽江淮汽车集团股份有限公司 | Stretch bending equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2670026Y (en) * | 2003-12-20 | 2005-01-12 | 东风汽车有限公司 | Punching device for vehicle body sheet part |
| CN101829723A (en) * | 2009-03-11 | 2010-09-15 | 吴远东 | Novel pneumatic punching machine |
| CN203184396U (en) * | 2013-03-14 | 2013-09-11 | 安徽江淮汽车股份有限公司 | Punching device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4932128A (en) * | 1988-12-23 | 1990-06-12 | Utica Enterprises, Inc. | Mechanical force enhancer |
| DE50304160D1 (en) * | 2002-10-18 | 2006-08-17 | Tetra Laval Holdings & Finance | DEVICE FOR PUNCHING, EMBOSSING AND / OR FORMING FLAT ELEMENTS |
-
2013
- 2013-03-14 CN CN201310081746.5A patent/CN103143617B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2670026Y (en) * | 2003-12-20 | 2005-01-12 | 东风汽车有限公司 | Punching device for vehicle body sheet part |
| CN101829723A (en) * | 2009-03-11 | 2010-09-15 | 吴远东 | Novel pneumatic punching machine |
| CN203184396U (en) * | 2013-03-14 | 2013-09-11 | 安徽江淮汽车股份有限公司 | Punching device |
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| Publication number | Publication date |
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| CN103143617A (en) | 2013-06-12 |
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Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
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Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230022 No. 176 Dongliu Road, Hefei City, Anhui Province Patentee before: Anhui Jianghuai Automobile Group Limited by Share Ltd |