CN104338829B - 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 PDF

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Publication number
CN104338829B
CN104338829B CN201410541552.3A CN201410541552A CN104338829B CN 104338829 B CN104338829 B CN 104338829B CN 201410541552 A CN201410541552 A CN 201410541552A CN 104338829 B CN104338829 B CN 104338829B
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CN
China
Prior art keywords
die
drift
cam
lever
hole
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Application number
CN201410541552.3A
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Chinese (zh)
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CN104338829A (en
Inventor
刘少强
潘德军
罗禹
李朝伦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Adient Automotive Components Co Ltd
Original Assignee
Chongqing Yanfeng Johnson Controls Automotive Components Co Ltd
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Application filed by Chongqing Yanfeng Johnson Controls Automotive Components Co Ltd filed Critical Chongqing Yanfeng Johnson Controls Automotive Components Co Ltd
Priority to CN201410541552.3A priority Critical patent/CN104338829B/en
Publication of CN104338829A publication Critical patent/CN104338829A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/24Perforating, i.e. punching holes
    • B21D28/34Perforating tools; Die holders

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

A kind of mould in hole of turning on one's side for motor vehicle seat back upper cross plate
Technical field
The present invention relates to Press Tools for Automobiles field is and in particular to a kind of turn on one's side hole for motor vehicle seat back upper cross plate Mould.
Background technology
The top of motor vehicle seat back is provided with headrest, is provided with head rest pole, the top of motor vehicle seat back sets on headrest It is equipped with headrest conduit, headrest is connected after being plugged in headrest conduit by head rest pole with the top of motor vehicle seat back.In automotive seats Two conduit spliced eyes are provided with chair back upper cross plate, same headrest conduit is plugged on two corresponding conduit spliced eyes Interior;Punch forming is a kind of important way forming conduit spliced eye;In order to ensure rest the head on conduit smoothly insert conduit spliced eye, Two corresponding conduit spliced eyes should have good concentricity, and to the same side hole flanging;Existing lean on for automotive seat Back transverse slat turn on one's side hole mould using a drift successively to two of upper cross plate just to flange carry out punching press, formed with one heart 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.
Content of the invention
For solving above technical problem, the present invention provides a kind of mould in hole of turning on one's side for motor vehicle seat back upper cross plate.
Technical scheme is as follows:
A kind of mould in hole of turning on one's side for motor vehicle seat back upper cross plate, includes arranging die shoe on the table, First drift is provided with this die shoe, the described workbench of the same side of this first drift is corresponding in turn to and is provided with first Die and the second die, all with described first drift just to setting, it closes the die cavity of the die cavity of this first die and the second die Key is:It is provided with lower die between described first die and the second die, offer drift on the top of this lower die and lead To through hole, in this drift guide through hole, it is equipped with the second drift, just to setting, this for this second drift and described first drift Two drifts are consistent with the first drift direction.
Remarkable result using above technical scheme is originally using the first drift, motor vehicle seat back upper cross plate to be carried out Punching press, the first drift obtains two hole flangings with the first die and the cooperation punching press of the second die successively, and the stroke of the first drift is longer. And the effect passing through to arrange the second drift between the first die and the second die is:First drift and the cooperation punching press of the first die After obtaining a hole flanging, the first drift and the second punch. contact, make the second drift carry out punching press, so that the second drift and Two die cooperation punching presses obtain second hole flanging, and the stroke so allowing for the first drift greatly shortens.Second drift passes through punching Head guide through hole guiding, the second drift slides in drift guide through hole, can keep stable corresponding relation with the first drift, from And make two hole flangings on motor vehicle seat back upper cross plate keep stable, good concentricity, can guarantee that the punching press product of hole flanging Matter, the qualification rate of product improves.
In order to preferably realize the present invention, may further be:
Above-mentioned die shoe includes the sub- cam of punching press and demoulding master cam, and described demoulding master cam is arranged on by sliding guide On described workbench, the sub- cam of described punching press is arranged on described demoulding master cam by sliding guide, the sub- cam of described punching press Contrary with the direction of motion of demoulding master cam, 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.
Using above technical scheme, demoulding master cam drives the first die to move to the first drift direction, makes the first die First location contacts needing hole flanging with motor vehicle seat back upper cross plate support;Second die passes through outer executing agency to second Drift direction is moved, and 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 is alignd with the die cavity of the first die, and the first drift is to automobile Backrest upper cross plate is molded, and 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, so that the second drift is moved to the second die, to motor vehicle seat back upper cross plate Carry out punching press, obtain second hole flanging, the flange of second hole flanging enters the die cavity of the second die;After the completion of punching press, punching press 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 can exit second hole flanging manually, also can add Zhuan Wai executing agency makes the second drift exit second hole flanging.
Drift clawback assembly is provided with above-mentioned lower die, the middle part of described second drift is with this drift clawback assembly even Connect;
Described drift clawback assembly includes shifting lever, and the middle part of this shifting lever is hinged with described lower die, and this is stirred The upper end of lever is connected with the middle part of described second drift;
In described demoulding master cam, the side of described lower die is provided with lever plunger, this lever plunger with described group The lower end in contact of dynamic lever.
Using above technical scheme, its reason is that the second drift carries out after punching press hole flanging to motor vehicle seat back upper cross plate, Because the first drift is only capable of promoting the second punch it is impossible to drive the second drift return, and in automatic stamping, in order to efficient Produce, need to make the second drift have self-return function;This area is conventional to be selected to use spring or cylinder return, but by In less to motor vehicle seat back upper cross plate, the space that can install conventional automatic resetting device in practice is very narrow, does not close The spring making the second drift return or cylinder are installed it is therefore desirable to provide a kind of suitable return mode in suitable position;
The drift clawback assembly that the program adopts is so to make the second drift return:The sub- cam of punching press and demoulding master cam The direction of motion is contrary, and in the first punch, the demoulding master cam move to the direction away from lower die, lever plunger away from group The lower end of dynamic lever, vacates the rotation space of shifting lever;In punching course, during the second punch drive shifting lever around in Portion rotates, and the lower end of shifting lever rotates to lever plunger direction, and the lower end of shifting lever is near lever plunger.Punching press completes Afterwards, the first drift backhaul first, demoulding master cam moves to the direction near lower die, drives the first die demoulding, thick stick simultaneously Masthead pin makes shifting lever rotate with the lower end in contact of shifting lever, the rotation direction when rotation direction of shifting lever and punching press On the contrary, 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, makes the second drift by the rotation of lever Return, the power of the second drift return is provided by demoulding master cam it is not necessary to again be directed to new the moving of drift clawback assembly setting Power apparatus, clever structure.
Above-mentioned lower die offers lever swing groove near the side of described first die, the upper end of this lever swing groove with Described drift guide through hole communicates, and described shifting lever is located in this lever swing groove, and thick stick is passed through at the middle part of described shifting lever Bar rotating shaft is arranged in described lever swing groove, and described shifting lever drives described second drift in drift guide through hole when rotating Interior slip.
Using the program, shifting lever is located at lever swing groove, so that shifting lever is located in lever swing groove, minimizing is stirred Lever exposes, and makes more compact structure, and shifting lever rotates more stable around lever shaft.
Offer clawback groove at the middle part of above-mentioned second drift, the upper end of described shifting lever is stretched in this clawback groove And clamping therewith.In the program, the upper end of shifting lever is connected with the second drift after stretching into clawback groove, assembling, convenient disassembly.
Above-mentioned demoulding master cam is U-shaped, and 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, and the described sub- cam of punching press and the described demoulding are female Connected by nitrogen spring between one vertical arm of cam, this nitrogen spring is be arranged in parallel with described first drift.Using the party Case, during punching press, nitrogen spring compresses, and after the completion of punching press, nitrogen spring promotes the sub- cam return of punching press.
It is provided with same holding pad above above-mentioned first die, lower die and the second die.Using this design, punching press During hole flanging, motor vehicle seat back upper cross plate is compressed by holding pad.
Beneficial effect:Using a kind of mould in hole of turning on one's side for motor vehicle seat back upper cross plate of the present invention, by two Drift carries out punching press, reduces the stroke of single drift, improves punching press stability, and the concentricity of hole flanging is high, and press quality is steady Fixed, the qualification rate of product is high;Drift return transposition arranges ingenious, compact conformation.
Brief description
Fig. 1 is structural representation during punching press of the present invention;
Fig. 2 is the close-up schematic view i of Fig. 1;
Fig. 3 completes the structural representation during punching press demoulding for the present invention;
Fig. 4 is the close-up schematic view j of Fig. 3.
Specific embodiment
With reference to embodiment and accompanying drawing, the invention will be further described.
As shown in Fig. 1 to Fig. 4, a kind of mould in hole of turning on one's side for motor vehicle seat back upper cross plate, including being arranged on work Die shoe 1 on platform, is provided with the first drift 6 on this die shoe 1, in the described workbench of the same side of this first drift 6 On be corresponding in turn to and be provided with the first die 2 and the second die 3, the die cavity of the die cavity of this first die 2 and the second die 3 is all and institute State the first drift 6 just to setting, between described first die 2 and the second die 3, be provided with lower die 4;In conjunction with Fig. 2 and Tu 4, as can be seen that offering drift guide through hole 4a on the top of described lower die 4, are equipped with this drift guide through hole 4a Second drift 5, this second drift 5 and described first drift 6 just to setting, this second drift 5 and the first drift 6 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, It is provided with same holding pad 9 above described first die 2, lower die 4 and the second die 3.
Described die shoe 1 includes the sub- cam of punching press 11 and demoulding master cam 12, and described demoulding master cam 12 is U-shaped, described The lower surface of demoulding master cam 12 transverse arm is arranged on described workbench by sliding guide, and the sub- cam 11 of described punching press passes through to slide Dynamic guide plate is arranged on the upper surface of described demoulding master cam 12 transverse arm, the described sub- cam 11 of punching press and described demoulding master cam 12 Connected by nitrogen spring 13 between one vertical arm, this nitrogen spring 13 is be arranged in parallel with described first drift 6, described punching press The direction of motion of cam 11 and demoulding master cam 12 is contrary, and the sub- cam 11 of described punching press and demoulding master cam 12 are filled by power respectively Put driving, described power set are the drive block being arranged on upper die of punching press, described first drift 6 is fixedly mounted on described punching press On sub- cam 11, 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, this lever swing groove 4b's Upper end is communicated with described drift guide through hole 4a, and the width of described lever swing groove 4b is less than the straight of described drift guide through hole 4a Footpath, is provided with drift clawback assembly 7 on described lower die 4, and this drift clawback assembly 7 includes shifting lever 71, described stirs Lever 71 is located in described lever swing groove 4b, and the middle part of described shifting lever 71 is arranged on described lever by lever shaft 72 In swinging chute 4b, offer clawback groove 5a at the middle part of described second drift 5, this time is stretched in the upper end of described shifting lever 71 Dial in groove 5a and clamping therewith, described shifting lever 71 drives described second drift 5 in drift guide through hole 4a when rotating Slide, in described demoulding master cam 12, the side of described lower die 4 is provided with lever plunger 8, this lever plunger 8 with described The lower end in contact of shifting lever 71.
During punching press, by the upper cross plate x of motor vehicle seat back be placed in the first die 2, lower die 4, above the second die 3, and Compressed with holding pad 9, the edge of upper cross plate x turns down to same direction and forms hole flanging, according to the direction of hole flanging, by upper cross plate x Two corresponding flange be respectively placed between the first drift 6 and the first die 2, between the second drift 5 and the second die 3, enter Row punching press;After the completion of punching press, the return of punching press sub- cam 11 and the first drift 6 is realized by nitrogen spring 13, the second drift 5 Return passes through drift clawback assembly 7 and the cooperation of demoulding master cam 12 is realized, and demoulding master cam 12 is passed through in the demoulding of the first die 2 Return realize, the demoulding of the second die 3 is by being connected realization with independent outer executing agency;
The sub- cam of punching press 11 and the power in punching press for the demoulding master cam 12 are provided by power set respectively, demoulding master cam 12 return is realized by another nitrogen spring.
How to drive the sub- cam of punching press 11 and demoulding master cam 12 to carry out coordinating punching press as power set, and the demoulding is female Cam 12 is how to be connected with another nitrogen spring, is prior art well-known to those skilled in the art, and here is not done superfluous State, though being not drawn in Figure of description, having no effect on and the present invention is carried out with clear, clear, sufficient understanding.
Finally it should be noted that foregoing description is only the preferred embodiments of the present invention, those of ordinary skill in the art Under the enlightenment of the present invention, represent as multiple types without prejudice on the premise of present inventive concept and claim, can be made, Such conversion each falls within protection scope of the present invention.

Claims (5)

1. a kind of mould in hole of turning on one's side for motor vehicle seat back upper cross plate, includes arranging die shoe (1) on the table, First drift (6) is provided with this die shoe (1), the described workbench of the same side of this first drift (6) is corresponding in turn to Be provided with the first die (2) and the second die (3), the die cavity of the die cavity of this first die (2) and the second die (3) all with described First drift (6) just to setting it is characterised in that:It is provided with lower die between described first die (2) and the second die (3) (4), offer drift guide through hole (4a) on the top of this lower die (4), be equipped with this drift guide through hole (4a) Two drifts (5), this second drift (5) and described first drift (6) just to setting, this second drift (5) and the first drift (6) court To consistent;
Described die shoe (1) includes the sub- cam of punching press (11) and demoulding master cam (12), and described demoulding master cam (12) passes through to slide Dynamic guide plate is arranged on described workbench, and the sub- cam (11) of described punching press is arranged on described demoulding master cam by sliding guide (12), on, the direction of motion of the sub- cam (11) of described punching press and demoulding master cam (12) is contrary, the sub- cam (11) of described punching press and Demoulding master cam (12) is driven by power set respectively, and described first drift (6) is fixedly mounted on the sub- cam of described punching press (11) On, described first die (2) is fixedly installed on demoulding master cam (12);
Drift clawback assembly (7), the middle part of described second drift (5) and this drift clawback are provided with described lower die (4) Assembly (7) connects;
Described drift clawback assembly (7) includes shifting lever (71), the middle part of this shifting lever (71) and described lower die (4) hinge Connect, the upper end of this shifting lever (71) is connected with the middle part of described second drift (5);
In described demoulding master cam (12), the side of described lower die (4) is provided with lever plunger (8), this lever plunger (8) the lower end in contact with described shifting lever (71).
2. according to claim 1 a kind of for motor vehicle seat back upper cross plate turn on one's side hole mould it is characterised in that:Institute State lower die (4) and offer lever swing groove (4b) near the side of described first die (2), this lever swing groove (4b) upper End communicates with described drift guide through hole (4a), and it is interior that described shifting lever (71) is located at this lever swing groove (4b), described stirs The middle part of lever (71) is arranged in described lever swing groove (4b) by lever shaft (72), and described shifting lever (71) rotates When drive described second drift (5) to slide in drift guide through hole (4a).
3. the mould in a kind of hole of turning on one's side for motor vehicle seat back upper cross plate according to claim 1 and 2, its feature exists In:Offer clawback groove (5a) at the middle part of described second drift (5), this clawback is stretched in the upper end of described shifting lever (71) In groove (5a) and clamping therewith.
4. the mould in a kind of hole of turning on one's side for motor vehicle seat back upper cross plate according to claim 1 and 2, its feature exists In:Described demoulding master cam (12) is U-shaped, and the lower surface of described demoulding master cam (12) transverse arm is slidably mounted on described workbench On, the sub- cam (11) of described punching press is slidably mounted on the upper surface of described demoulding master cam (12) transverse arm, the sub- cam of described punching press (11) nitrogen spring (13) connection, this nitrogen spring (13) and institute are passed through and a vertical arm of described demoulding master cam (12) between State the first drift (6) to be arranged in parallel.
5. according to claim 1 a kind of for motor vehicle seat back upper cross plate turn on one's side hole mould it is characterised in that:? It is provided with same holding pad (9) above described first die (2), lower die (4) and the second die (3).
CN201410541552.3A 2014-10-13 2014-10-13 Die for lateral hole flanging of upper cross plate of automobile seat backrest Active CN104338829B (en)

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

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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

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CN104338829A CN104338829A (en) 2015-02-11
CN104338829B true CN104338829B (en) 2017-02-15

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104759531B (en) * 2015-03-03 2017-03-22 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
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

Citations (7)

* Cited by examiner, † Cited by third party
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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

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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.