CN104338829A - Die for lateral hole flanging of upper cross plate of automobile seat backrest - Google Patents
Die for lateral hole flanging of upper cross plate of automobile seat backrest Download PDFInfo
- Publication number
- CN104338829A CN104338829A CN201410541552.3A CN201410541552A CN104338829A CN 104338829 A CN104338829 A CN 104338829A CN 201410541552 A CN201410541552 A CN 201410541552A CN 104338829 A CN104338829 A CN 104338829A
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- die
- drift
- cam
- lever
- punching press
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a die for lateral hole flanging of an upper cross plate of an automobile seat bracket. The die comprises a lower die base arranged on a working table, wherein a first punch is arranged on the lower die base; a first concave die and a second concave die are sequentially and correspondingly arranged on the working table and one the same side of the first punch; a cavity of the first concave die and a cavity of the second die right face the first punch; a lower cavity is arranged between the first concave die and the second concave die; a punch guide through hole is formed in the upper part of the lower cavity; a second punch penetrates through the punch guide through hole and right faces the first punch; and orientations of the second punch and the first punch are consistent. The die has the remarkable effects as follows: the two punches are used for punching, so that the stroke of a single punch is reduced, the punch stability is improved, hole flanging concentricity is high, the punch quality is stable, and the qualified rate of a product is high; and besides, a punch return device is arranged ingeniously, and the structure is compact.
Description
Technical field
The present invention relates to Press Tools for Automobiles field, be specifically related to a kind of mould for motor vehicle seat back upper cross plate rollover hole.
Background technology
The top of motor vehicle seat back is provided with headrest, and headrest is provided with head rest pole, and the top of motor vehicle seat back is provided with headrest conduit, and head rest pole is plugged on after in headrest conduit and is connected with the top of motor vehicle seat back by headrest.Motor vehicle seat back upper cross plate is provided with two conduit spliced eyes, and same headrest conduit is plugged in two corresponding conduit spliced eyes; Punch forming is a kind of important way forming conduit spliced eye; In order to ensure that headrest conduit inserts conduit spliced eye smoothly, two corresponding conduit spliced eyes should have good concentricity, and to the same side hole flanging; The existing mould for motor vehicle seat back upper cross plate rollover hole adopts a drift to carry out punching press to two of upper cross plate just right flange successively, form concentric hole flanging, the stroke of this hole flanging punching mold tool is longer, and stability is bad, and after punching press, the quality of product is not high.
Summary of the invention
For solving above technical problem, the invention provides a kind of mould for motor vehicle seat back upper cross plate rollover hole.
Technical scheme is as follows:
A kind of mould for motor vehicle seat back upper cross plate rollover hole, comprise setting die shoe on the table, this die shoe is provided with the first drift, the described workbench of the same side of this first drift is corresponding in turn to and is provided with the first die and the second die, the die cavity of this first die and the die cavity of the second die all with described first drift just to setting, its key is: between described first die and the second die, be provided with lower die, drift guide through hole is offered on the top of this lower die, the second drift is equipped with in this drift guide through hole, this second drift and described first drift are just to setting, this second drift and the first drift are towards consistent.
The remarkable result of above technical scheme is adopted to be that originally use the first drift to carry out punching press to motor vehicle seat back upper cross plate, the first drift coordinates punching press to obtain two hole flangings successively with the first die and the second die, the stroke of the first drift is longer.And by the effect arranging the second drift between the first die and the second die be: the first drift coordinates after punching press obtains a hole flanging with the first die, first drift and the second punch. contact, the second drift is made to carry out punching press, thus make the second drift coordinate punching press to obtain second hole flanging with the second die, so just make the stroke of the first drift greatly shorten.Second drift is led by drift guide through hole, second drift slides in drift guide through hole, stable corresponding relation can be kept with the first drift, thus make the concentricity that on motor vehicle seat back upper cross plate two hole flangings keep stable, good, can ensure the press quality of hole flanging, the qualification rate of product improves.
In order to better realize the present invention, may further be:
Above-mentioned die shoe comprises the sub-cam of punching press and demoulding master cam, described demoulding master cam is arranged on described workbench by sliding guide, the sub-cam of described punching press is arranged on described demoulding master cam by sliding guide, the direction of motion of the sub-cam of described punching press and demoulding master cam is contrary, the sub-cam of described punching press and demoulding master cam are driven by power set respectively, described first drift is fixedly mounted on the sub-cam of described punching press, and described first die is fixedly installed on demoulding master cam.
Adopt above technical scheme, demoulding master cam drives the first die to move to the first drift direction, makes the first die and motor vehicle seat back upper cross plate need first location contacts of hole flanging to support; Second die is moved to the second drift direction by outer executing agency, makes the second die and motor vehicle seat back upper cross plate need second location contacts of hole flanging to support; Punching press sub-cam driven first drift moves to the first die, and the first drift aligns with the die cavity of the first die, and the first drift carries out shaping to motor vehicle seat back upper cross plate, obtains first hole flanging, and the flange of first hole flanging enters the die cavity of the first die; First drift in punching course with the second punch. contact, the second drift is moved to the second die, carries out punching press to motor vehicle seat back upper cross plate, obtain second hole flanging, the flange of second hole flanging enters the die cavity of the second die; After punching press completes, punching press sub-cam driven first drift exits first hole flanging, and the sub-cam of punching press is relative with demoulding master cam to be unclamped, and demoulding master cam drives the first die demoulding; Second die drives the demoulding by outer executing agency, and the second drift manually can exit second hole flanging, also can install outer executing agency additional and make the second drift exit second hole flanging.
Above-mentioned lower die is provided with drift clawback assembly, and the middle part of described second drift is connected with this drift clawback assembly;
Described drift clawback assembly comprises shifting lever, and middle part and the described lower die of this shifting lever are hinged, and the upper end of this shifting lever is connected with the middle part of described second drift;
At described demoulding master cam, the side of described lower die is provided with lever plunger, the lower end in contact of this lever plunger and described shifting lever.
Adopt above technical scheme, its reason is, after second drift carries out punching press hole flanging to motor vehicle seat back upper cross plate, because the first drift only can promote the second punch, the second drift return can not be driven, and in automatic stamping, in order to High-efficient Production, need to make the second drift have self-return function; The conventional selection in this area can use spring or cylinder return, but due to less to motor vehicle seat back upper cross plate, the space installing conventional automatic resetting device in reality is very narrow, do not have suitable position that the spring or the cylinder that make the second drift return are installed, therefore need to provide a kind of applicable return mode;
The drift clawback assembly that the program adopts makes the second drift return like this: the sub-cam of punching press is contrary with the demoulding master cam direction of motion, when the first punch, demoulding master cam moves to the direction away from lower die, lever plunger, away from the lower end of shifting lever, vacates the rotation space of shifting lever; In punching course, drive shifting lever to rotate around middle part during the second punch, the lower end of shifting lever is rotated to lever plunger direction, and the lower end of shifting lever is near lever plunger.After punching press completes, the first backhaul of first drift, demoulding master cam moves near the direction of lower die, drive the first die demoulding, the lower end in contact of lever plunger and shifting lever makes shifting lever rotate simultaneously, the rotation direction of shifting lever is contrary with rotation direction during punching press, and namely the upper end of shifting lever drives the second drift return, and the power of the second drift return is provided by demoulding master cam;
The remarkable result of the program is, in the hole flanging mold of limited space, make the second drift return by the rotation of lever, the power of the second drift return is provided by demoulding master cam, do not need again to arrange new power set for drift clawback assembly, structure is ingenious.
Above-mentioned lower die offers lever swing groove near the side of described first die, the upper end of this lever swing groove communicates with described drift guide through hole, described shifting lever is positioned at this lever swing groove, the middle part of described shifting lever is arranged in described lever swing groove by lever shaft, drives described second drift to slide in drift guide through hole when described shifting lever rotates.
Adopt the program, shifting lever is positioned at lever swing groove, makes shifting lever be positioned at lever swing groove, and reduce shifting lever and expose, make more compact structure, shifting lever rotates more stable around lever shaft.
Offer clawback groove at the middle part of above-mentioned second drift, also clamping with it in this clawback groove is stretched in the upper end of described shifting lever.In the program, be connected with the second drift after clawback groove is stretched in the upper end of shifting lever, assembling, convenient disassembly.
Above-mentioned demoulding master cam is U-shaped, the lower surface of described demoulding master cam transverse arm is slidably mounted on described workbench, the sub-cam slide of described punching press is arranged on the upper surface of described demoulding master cam transverse arm, connected by nitrogen spring between the sub-cam of described punching press and a vertical arm of described demoulding master cam, this nitrogen spring and described first drift be arranged in parallel.Adopt the program, during punching press, nitrogen spring compresses, and after punching press completes, nitrogen spring promotes the sub-cam return of punching press.
Same holding pad is provided with above above-mentioned first die, counterdie Renhe second die.Adopt this design, during punching press hole flanging, motor vehicle seat back upper cross plate compresses by holding pad.
Beneficial effect: adopt a kind of mould for motor vehicle seat back upper cross plate rollover hole of the present invention, carry out punching press by two drifts, reduce the stroke of single drift, improve punching press stability, the concentricity of hole flanging is high, and press quality is stablized, and the qualification rate of product is high; Drift return transposition arranges ingenious, compact conformation.
Accompanying drawing explanation
Structural representation when Fig. 1 is punching press of the present invention;
Fig. 2 is the close-up schematic view i of Fig. 1;
Fig. 3 is the structural representation of the present invention when completing the punching press demoulding;
Fig. 4 is the close-up schematic view j of Fig. 3.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the invention will be further described.
As shown in Fig. 1 to Fig. 4, a kind of mould for motor vehicle seat back upper cross plate rollover hole, comprise setting die shoe 1 on the table, this die shoe 1 is provided with the first drift 6, the described workbench of the same side of this first drift 6 is corresponding in turn to and is provided with the first die 2 and the second die 3, the die cavity of this first die 2 and the die cavity of the second die 3 all with described first drift 6 just to setting, between described first die 2 and the second die 3, be provided with lower die 4; Composition graphs 2 and Fig. 4 can find out again, drift guide through hole 4a is offered on the top of described lower die 4, the second drift 5 is equipped with in this drift guide through hole 4a, this second drift 5 and described first drift 6 are just to setting, this second drift 5 and the first drift 6 are towards consistent, described first drift 6 points to the die cavity of described first die 2, and described second drift 5 points to the die cavity of described second die 3, above described first die 2, lower die 4 and the second die 3, be provided with same holding pad 9.
Described die shoe 1 comprises the sub-cam 11 of punching press and demoulding master cam 12, described demoulding master cam 12 is U-shaped, the lower surface of described demoulding master cam 12 transverse arm is arranged on described workbench by sliding guide, the sub-cam of described punching press 11 is arranged on the upper surface of described demoulding master cam 12 transverse arm by sliding guide, connected by nitrogen spring 13 between the sub-cam of described punching press 11 and a vertical arm of described demoulding master cam 12, this nitrogen spring 13 be arranged in parallel with described first drift 6, the direction of motion of the sub-cam of described punching press 11 and demoulding master cam 12 is contrary, the sub-cam 11 of described punching press and demoulding master cam 12 are driven by power set respectively, described power set are the drive block be arranged on upper die of punching press, described first drift 6 is fixedly mounted on the sub-cam 11 of described punching press, described first die 2 is fixedly installed on demoulding master cam 12.
Described lower die 4 offers lever swing groove 4b near the side of described first die 2, the upper end of this lever swing groove 4b communicates with described drift guide through hole 4a, the width of described lever swing groove 4b is less than the diameter of described drift guide through hole 4a, described lower die 4 is provided with drift clawback assembly 7, this drift clawback assembly 7 comprises shifting lever 71, described shifting lever 71 is positioned at described lever swing groove 4b, the middle part of described shifting lever 71 is arranged in described lever swing groove 4b by lever shaft 72, clawback groove 5a is offered at the middle part of described second drift 5, also clamping with it in this clawback groove 5a is stretched in the upper end of described shifting lever 71, described shifting lever 71 drives described second drift 5 to slide in drift guide through hole 4a when rotating, at described demoulding master cam 12, the side of described lower die 4 is provided with lever plunger 8, the lower end in contact of this lever plunger 8 and described shifting lever 71.
During punching press, the upper cross plate x of motor vehicle seat back is placed in above the first die 2, lower die 4, second die 3, and compress with holding pad 9, the edge of upper cross plate x forms hole flanging to the turnover of same direction, according to the direction of hole flanging, two of upper cross plate x corresponding flange are placed in respectively between the first drift 6 and the first die 2, between the second drift 5 and the second die 3, carry out punching press; After punching press completes, the return of the sub-cam 11 of punching press and the first drift 6 is realized by nitrogen spring 13, the return of the second drift 5 is realized by the cooperation of drift clawback assembly 7 and demoulding master cam 12, the demoulding of the first die 2 is realized by the return of demoulding master cam 12, and the demoulding of the second die 3 realizes by being connected with independently outer executing agency;
The sub-cam 11 of punching press and the power of demoulding master cam 12 when punching press are provided by power set respectively, and the return of demoulding master cam 12 is realized by another nitrogen spring.
The sub-cam 11 of punching press and demoulding master cam 12 how is driven to carry out cooperation punching press as power set, and demoulding master cam 12 is how to be connected with another nitrogen spring, it is prior art well-known to those skilled in the art, do not repeat at this, though do not draw in Figure of description, do not affect to the present invention carry out clear, clear, understand fully.
Finally it should be noted that; foregoing description is only the preferred embodiments of the present invention; those of ordinary skill in the art is under enlightenment of the present invention; under the prerequisite without prejudice to present inventive concept and claim; can make like multiple types and representing, such conversion all falls within the scope of protection of the present invention.
Claims (7)
1. the mould for motor vehicle seat back upper cross plate rollover hole, comprise setting die shoe on the table (1), this die shoe (1) is provided with the first drift (6), the described workbench of the same side of this first drift (6) is corresponding in turn to and is provided with the first die (2) and the second die (3), the die cavity of this first die (2) and the die cavity of the second die (3) all with described first drift (6) just to setting, it is characterized in that: between described first die (2) and the second die (3), be provided with lower die (4), drift guide through hole (4a) is offered on the top of this lower die (4), the second drift (5) is equipped with in this drift guide through hole (4a), this second drift (5) and described first drift (6) are just to setting, this second drift (5) and the first drift (6) are towards consistent.
2. a kind of mould for motor vehicle seat back upper cross plate rollover hole according to claim 1, it is characterized in that: described die shoe (1) comprises the sub-cam of punching press (11) and demoulding master cam (12), described demoulding master cam (12) is arranged on described workbench by sliding guide, the sub-cam of described punching press (11) is arranged on described demoulding master cam (12) by sliding guide, the direction of motion of the sub-cam of described punching press (11) and demoulding master cam (12) is contrary, the sub-cam of described punching press (11) and demoulding master cam (12) are driven by power set respectively, described first drift (6) is fixedly mounted on the sub-cam of described punching press (11), described first die (2) is fixedly installed on demoulding master cam (12).
3. a kind of mould for motor vehicle seat back upper cross plate rollover hole according to claim 2, it is characterized in that: on described lower die (4), be provided with drift clawback assembly (7), the middle part of described second drift (5) is connected with this drift clawback assembly (7);
Described drift clawback assembly (7) comprises shifting lever (71), middle part and the described lower die (4) of this shifting lever (71) are hinged, and the upper end of this shifting lever (71) is connected with the middle part of described second drift (5);
Described demoulding master cam (12), the side of described lower die (4) is provided with lever plunger (8), the lower end in contact of this lever plunger (8) and described shifting lever (71).
4. a kind of mould for motor vehicle seat back upper cross plate rollover hole according to claim 3, it is characterized in that: described lower die (4) offers lever swing groove (4b) near the side of described first die (2), the upper end of this lever swing groove (4b) communicates with described drift guide through hole (4a), described shifting lever (71) is positioned at this lever swing groove (4b), the middle part of described shifting lever (71) is arranged in described lever swing groove (4b) by lever shaft (72), described shifting lever (71) drives described second drift (5) to slide in drift guide through hole (4a) when rotating.
5. a kind of mould for motor vehicle seat back upper cross plate rollover hole according to claim 3 or 4, it is characterized in that: offer clawback groove (5a) at the middle part of described second drift (5), also clamping with it in this clawback groove (5a) is stretched in the upper end of described shifting lever (71).
6. according to claim 2, a kind of mould for motor vehicle seat back upper cross plate rollover hole described in 3 or 4, it is characterized in that: described demoulding master cam (12) is U-shaped, the lower surface of described demoulding master cam (12) transverse arm is slidably mounted on described workbench, the sub-cam of described punching press (11) is slidably mounted on the upper surface of described demoulding master cam (12) transverse arm, connected by nitrogen spring (13) between the sub-cam of described punching press (11) and a vertical arm of described demoulding master cam (12), this nitrogen spring (13) and described first drift (6) be arranged in parallel.
7. a kind of mould for motor vehicle seat back upper cross plate rollover hole according to claim 1, is characterized in that: described first die (2), lower die (4) and the second die (3) top are provided with same holding pad (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410541552.3A CN104338829B (en) | 2014-10-13 | 2014-10-13 | Die for lateral hole flanging of upper cross plate of automobile seat backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410541552.3A CN104338829B (en) | 2014-10-13 | 2014-10-13 | Die for lateral hole flanging of upper cross plate of automobile seat backrest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104338829A true CN104338829A (en) | 2015-02-11 |
| CN104338829B CN104338829B (en) | 2017-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410541552.3A Active CN104338829B (en) | 2014-10-13 | 2014-10-13 | Die for lateral hole flanging of upper cross plate of automobile seat backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104338829B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759531A (en) * | 2015-03-03 | 2015-07-08 | 上海兴韬汽车配件有限公司 | Headrest rod stamping die |
| CN110238281A (en) * | 2019-06-19 | 2019-09-17 | 深圳数码模汽车技术有限公司 | A kind of continuous mold device and de- material method with swing rod material removing mechanism |
| CN112828146A (en) * | 2020-12-31 | 2021-05-25 | 广州敏实汽车零部件有限公司 | Progressive die production mechanism for side flanging |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX159057A (en) * | 1983-06-22 | 1989-04-13 | Teves Gmbh Alfred | PROCEDURE AND DEVICE FOR APPLYING A SUPPORT BUTTON OR CROSS DRILLING ON THE FORK OF THE DRIVE BAR OF A BRAKE POWER DRIVER |
| JPH0899133A (en) * | 1994-09-29 | 1996-04-16 | Komatsu Ltd | Side piercing device |
| DE10213850C1 (en) * | 2002-03-27 | 2003-06-05 | Wafios Ag | Device for ejecting workpieces from single- or multi-stage presses comprises an ejector pin pivoting on a support part which travels on a pressing frame perpendicularly to the longitudinal axis of the pin |
| CN201192712Y (en) * | 2007-12-25 | 2009-02-11 | 比亚迪股份有限公司 | Side turning hole die |
| CN202861146U (en) * | 2012-09-14 | 2013-04-10 | 上海日晗精密机械有限公司 | Triaxial driving structure die capable of plunging holes in double-direction |
| CN203599352U (en) * | 2013-10-10 | 2014-05-21 | 无锡威唐金属科技有限公司 | Child-mother dual-slider side die |
| CN204122572U (en) * | 2014-10-13 | 2015-01-28 | 重庆延锋江森汽车部件系统有限公司 | Motor vehicle seat back upper cross plate side turning hole die |
-
2014
- 2014-10-13 CN CN201410541552.3A patent/CN104338829B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX159057A (en) * | 1983-06-22 | 1989-04-13 | Teves Gmbh Alfred | PROCEDURE AND DEVICE FOR APPLYING A SUPPORT BUTTON OR CROSS DRILLING ON THE FORK OF THE DRIVE BAR OF A BRAKE POWER DRIVER |
| JPH0899133A (en) * | 1994-09-29 | 1996-04-16 | Komatsu Ltd | Side piercing device |
| DE10213850C1 (en) * | 2002-03-27 | 2003-06-05 | Wafios Ag | Device for ejecting workpieces from single- or multi-stage presses comprises an ejector pin pivoting on a support part which travels on a pressing frame perpendicularly to the longitudinal axis of the pin |
| CN201192712Y (en) * | 2007-12-25 | 2009-02-11 | 比亚迪股份有限公司 | Side turning hole die |
| CN202861146U (en) * | 2012-09-14 | 2013-04-10 | 上海日晗精密机械有限公司 | Triaxial driving structure die capable of plunging holes in double-direction |
| CN203599352U (en) * | 2013-10-10 | 2014-05-21 | 无锡威唐金属科技有限公司 | Child-mother dual-slider side die |
| CN204122572U (en) * | 2014-10-13 | 2015-01-28 | 重庆延锋江森汽车部件系统有限公司 | Motor vehicle seat back upper cross plate side turning hole die |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759531A (en) * | 2015-03-03 | 2015-07-08 | 上海兴韬汽车配件有限公司 | Headrest rod stamping die |
| CN110238281A (en) * | 2019-06-19 | 2019-09-17 | 深圳数码模汽车技术有限公司 | A kind of continuous mold device and de- material method with swing rod material removing mechanism |
| CN112828146A (en) * | 2020-12-31 | 2021-05-25 | 广州敏实汽车零部件有限公司 | Progressive die production mechanism for side flanging |
| CN112828146B (en) * | 2020-12-31 | 2023-03-14 | 广州敏实汽车零部件有限公司 | Progressive die production mechanism for side flanging |
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| Publication number | Publication date |
|---|---|
| CN104338829B (en) | 2017-02-15 |
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Address after: 401122 No. 4, long Fuxi Road, North District, Yubei District economic and Technological Development Zone, Chongqing Patentee after: Chongqing Yanfeng Johnson Automotive Parts System Co.,Ltd. Address before: 401122 No. 4, long Fuxi Road, North District, Yubei District economic and Technological Development Zone, Chongqing Patentee before: CHONGQING YANFENG JOHNSON CONTROLS AUTOMOBILE PARTS SYSTEMS, Inc. Address after: 401122 No. 4, long Fuxi Road, North District, Yubei District economic and Technological Development Zone, Chongqing Patentee after: Chongqing andotuo Auto Parts System Co.,Ltd. Address before: 401122 No. 4, long Fuxi Road, North District, Yubei District economic and Technological Development Zone, Chongqing Patentee before: Chongqing Yanfeng Johnson Automotive Parts System Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |