CN110280676A - A kind of automotive bumper mold convenient for lower die - Google Patents

A kind of automotive bumper mold convenient for lower die Download PDF

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Publication number
CN110280676A
CN110280676A CN201910713517.8A CN201910713517A CN110280676A CN 110280676 A CN110280676 A CN 110280676A CN 201910713517 A CN201910713517 A CN 201910713517A CN 110280676 A CN110280676 A CN 110280676A
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China
Prior art keywords
die
cavity
block
cap
tightening
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Application number
CN201910713517.8A
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Chinese (zh)
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CN110280676B (en
Inventor
姜伟
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Suzhou Jun Chuang Mold Industry Co Ltd
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Suzhou Jun Chuang Mold Industry Co Ltd
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Priority to CN201910713517.8A priority Critical patent/CN110280676B/en
Publication of CN110280676A publication Critical patent/CN110280676A/en
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    • 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
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • 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
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/14Particular arrangements for handling and holding in place complete dies
    • 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
    • B21D45/00Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/06Stripping-off devices
    • B21D45/08Stripping-off devices interrelated with motion of tool

Abstract

The invention discloses a kind of automotive bumper molds convenient for lower die, including die ontology, molding die cap, demoulding device, lower die holder, the two side ends bottom of the molding die cap is fixedly connected with sliding shoe, and the inside for forming die cap is provided with cavity, the demoulding device is made of backform block and tightening device.The present invention is convenient for the automotive bumper mold of lower die, molding function to bumper overall appearance is provided by molding die cap, die cap is formed in die process under slide construction, compression buffer board downwards, so that molding die cap integrally moves down, the spring one end in tightening device generates pulling force simultaneously, demoulding device integrally moves down therewith, but due to moving down in the presence of delay, so that the moment of punch die generates preliminary backform function, when spring playback, generating thrust makes the ejector pin for pushing up module top pass through the apparent bar groove of bumper, realize secondary backform function, entirety realizes efficient lower die function.

Description

A kind of automotive bumper mold convenient for lower die
Technical field
The present invention relates to technical field of mold, specially a kind of automotive bumper mold convenient for lower die.
Background technique
Bumper is the safety device for absorbing and slowing down foreign impacts power, protect vehicle body front and rear part.Many years before Automobile front/rear collision bumper be with steel plate punched at channel steel, together with longitudinal beam rivet or weld, with vehicle body have one section compared with Big gap, it appears that very unsightly.The car front/rear collision bumper of today will also chase after other than keeping original defencive function It asks with the harmony of car body moulding with uniformly, pursues the lightweight of itself.The front/rear collision bumper of car is all people made of plastics Referred to as plastic bumper.The plastic bumper of general automobile is made of outside plate, padded coaming and crossbeam three parts.Wherein outside plate Made of plastic with padded coaming, crossbeam is stamped to form U-lag with flat cold-rolled sheet;Outside plate and padded coaming are attached to crossbeam.
For existing bumper mold since the volume of bumper itself is larger, lines are more, therefore are easy to cause stripper member There is certain inconvenience, causes the reduction of depanning efficiency.And during depanning, it is easy to make bumper using biggish power At damage, the quality of product is reduced.Therefore, it is badly in need of a kind of automotive bumper mold convenient for lower die, so that clever structure Realize depanning work.
Summary of the invention
It is an object of the present invention to provide a kind of automotive bumper molds convenient for lower die, to solve to propose in above-mentioned background technique The problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of automotive bumper mold convenient for lower die, including die ontology, molding die cap, demoulding device, lower die holder, institute Die ontology is stated to be made of molding die cap, demoulding device and lower die holder, it is described molding die cap two side ends bottom with sliding Block is fixedly connected, and the inside for forming die cap is provided with cavity, and the demoulding device is made of backform block and tightening device, the top Module is placed in cavity, and backform block contacts bottom end with the bottom face inside active for forming die cap, the tightening device One end passes through the through-hole that shaping mould base end is provided with and is fixedly connected with the bottom end of backform block, and the other end of tightening device and connection The bottom end of block is fixedly connected.
Further, the middle part of the tightening device is equipped with spring, the baffle being fixed at the top of tightening device, spring One end be fixedly connected with the bottom end of baffle, and the other end of spring is fixedly connected with the inner end of link block.
Further, the particular number of the tightening device is four, is evenly distributed on the bottom end of molding die cap, and tighten Device is placed in the intracavitary of link block, and the top of the link block is fixedly connected with the bottom end of forming module.
Further, the top end face active contact of the bottom end of two sliding shoes and buffer board, and the side of sliding shoe is solid Affirm sliding block, the sliding rail for the rest pad side that sliding block is fixed with two sides at the top of lower die holder is slidably connected.
Further, the rest pad is fixedly connected with the top of lower die holder with the bottom end of buffer board, the buffer board Inside be provided with vallecular cavity, the upper end of resilient mounting is fixedly connected with vallecular cavity cavity wall.
Further, it is provided in the middle part of the lower die holder and holds cavity, and the cavity wall for holding cavity is made of the side of bearing block, The top middle portion of the bearing block is provided with cavity.
Further, the resilient mounting is integrally placed in cavity, and the lower end of resilient mounting is placed in fixed inside bearing block Connection, and the middle part of resilient mounting is equipped with spring, the both ends of the spring top with buffer board bottom face and bearing block respectively Face is flexibly connected.
Further, the top of the backform block is uniformly fixed with four ejector pins, and ejector pin and shaping mould caping end face Vallecular cavity position it is corresponding.
Further, the link block, which is integrally placed at, holds in cavity.
Compared with prior art, the beneficial effects of the present invention are:
1. this is convenient for the automotive bumper mold of lower die, the molding function to bumper overall appearance is provided by molding die cap Can, die cap is formed in die process under slide construction, compresses buffer board downwards, so that molding die cap integrally moves down, simultaneously Spring one end in tightening device generates pulling force, and demoulding device integrally moves down therewith, but due to moving down in the presence of delay, so that punch die Moment generate preliminary backform function.
2. this is convenient for the automotive bumper mold of lower die, when being playbacked by spring, generates thrust and to push up module top Ejector pin passes through the apparent bar groove of bumper, realizes secondary backform function, and molding die cap is restored to home position, has certain extensive Multiple power, it is just whole to realize efficient lower die function.Entirety realizes efficient lower die function.
Detailed description of the invention
Fig. 1 is a kind of automotive bumper mold overall structure diagram convenient for lower die of the invention;
Fig. 2 is a kind of overall structure assembling figure of the automotive bumper mold convenient for lower die of the present invention;
Fig. 3 is a kind of molding die cap top view of the automotive bumper mold convenient for lower die of the present invention;
Fig. 4 is a kind of tightening device structural schematic diagram of the automotive bumper mold convenient for lower die of the present invention.
In figure: 1, die ontology, 2, molding die cap, 3, demoulding device, 4, lower die holder, 5, sliding shoe, 6, cavity, 7, backform Block, 8, tightening device, 9, link block, 10, spring, 11, baffle, 12, buffer board, 13, rest pad, 14, resilient mounting, 15, hold Cavity, 16, bearing block, 17, cavity, 18, ejector pin.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of automotive bumper mold convenient for lower die, including Die ontology 1, molding die cap 2, demoulding device 3 and lower die holder 4, the die ontology 1 by molding die cap 2, demoulding device 3 with And lower die holder 4 forms, the two side ends bottom of the molding die cap 2 is fixedly connected with sliding shoe 5, and forms the inside of die cap 2 It is provided with cavity 6, provides the molding function to bumper overall appearance by molding die cap 2, drives upper mold in external stamping equipment Impact downwards contacts with molding die cap 2 and realizes punch die function, and the demoulding device 3 is made of backform block 7 and tightening device 8, institute It states backform block 7 to be placed in cavity 6, and backform block 7 contacts bottom end with the bottom face inside active for forming die cap 2, the receipts One end of tight device 8 passes through the through-hole that molding 2 bottom end of die cap is provided with and is fixedly connected with the bottom end of backform block 7, and tightening device 7 The other end is fixedly connected with the bottom end of link block 9, and the middle part of the tightening device 7 is equipped with spring 10, and the top of tightening device 7 is solid Surely one end of the baffle 11 being equipped with, spring 10 is fixedly connected with the bottom end of baffle 11, and the other end of spring 10 and link block 9 Inner end is fixedly connected, and the particular number of the tightening device 7 is four, is evenly distributed on the bottom end of molding die cap 2, and tighten Device 7 is placed in the intracavitary of link block 9, and the top of the link block 9 is fixedly connected with the bottom end of forming module 2, and link block 9 is downward 10 one end of spring in tightening device 8 is pulled, pulling force is generated, demoulding device 3 is whole to be moved down therewith, but is prolonged due to moving down to exist Late, so that the moment of punch die generates preliminary backform function, when spring 10 playbacks, the top that thrust makes 7 top of backform block is generated Pin 18 passes through the apparent bar groove of bumper, realizes secondary backform function, the bottom end of two sliding shoes 5 and the top of buffer board 12 End face active contact, and the side of sliding shoe 5 is fixed and says sliding block, the rest pad that sliding block is fixed with 4 top two sides of lower die holder The sliding rail of 13 sides is slidably connected, and the rest pad 13 is fixedly connected with the top of lower die holder 4 with the bottom end of buffer board 12, punching Die cap 2 is formed in mold process under the slide construction of both ends sliding shoe 5 and rest pad 13, compresses buffer board 12 downwards, so that at Pattern lid 2 is whole to be moved down, and the inside of the buffer board 12 is provided with vallecular cavity, the upper end of resilient mounting 14 and the fixed company of vallecular cavity cavity wall It connects, the spring 10 in resilient mounting 14 pushes buffer board 12 to reset, and molding die cap 2 is restored to home position, there is certain recovery Power, just whole to realize efficient lower die function, the middle part of the lower die holder 4 is provided with the chamber for holding cavity 15, and holding cavity 15 Wall is made of the side of bearing block 16, and the top middle portion of the bearing block 16 is provided with cavity 17, and the resilient mounting 14 is whole to be set In cavity 17, the lower end of resilient mounting 14 is placed in inside bearing block 16 and is fixedly connected, and the middle part of resilient mounting 14 is equipped with bullet Spring 10, the both ends of the spring 10 are flexibly connected with the top end face of 12 bottom face of buffer board and bearing block 15 respectively, the backform The top of block 7 is uniformly fixed with four ejector pins 18, and ejector pin 18 is corresponding with the molding vallecular cavity position of 2 top end face of die cap, described Link block 9, which is integrally placed at, to be held in cavity 15.
Working principle: the present invention is convenient for the automotive bumper mold of lower die, is provided by molding die cap 2 to bumper entirety The molding function of appearance drives upper mold to impact downwards and contacts realization punch die function, punch die with molding die cap 2 in external stamping equipment Molding die cap 2 compresses buffer board 12 downwards under the slide construction of both ends sliding shoe 5 and rest pad 13 in the process, so that molding Die cap 2 is whole to be moved down, while pulling downward on 10 one end of spring in tightening device 8 by link block 9, generates pulling force, demoulding device 3 It is whole to move down therewith, but due to moving down in the presence of delay, so that the moment of punch die generates preliminary backform function, playback to spring 10 When, it generates thrust and the ejector pin 18 at 7 top of backform block is made to pass through the apparent bar groove of bumper, realize secondary backform function, with Resilient mounting 14 in spring 10 push buffer board 12 reset, molding die cap 2 be restored to home position, have certain recovery Power, it is just whole to realize efficient lower die function.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.

Claims (9)

1. a kind of automotive bumper mold convenient for lower die, including die ontology (1), molding die cap (2), demoulding device (3), under Die holder (4), it is characterised in that the die ontology (1) is made of molding die cap (2), demoulding device (3) and lower die holder (4), The two side ends bottom of molding die cap (2) is fixedly connected with sliding shoe (5), and the inside for forming die cap (2) is provided with cavity (6), the demoulding device (3) is made of backform block (7) and tightening device (8), and the backform block (7) is placed in cavity (6), and Backform block (7) contacts bottom end with the bottom face inside active for forming die cap (2), and one end of the tightening device (8) passes through The through-hole that molding die cap (2) bottom end is provided with is fixedly connected with the bottom end of backform block (7), and the other end of tightening device (7) and company The bottom end for connecing block (9) is fixedly connected.
2. a kind of automotive bumper mold convenient for lower die according to claim 1, it is characterised in that: the tightening device (7) middle part is equipped with spring (10), the baffle (11) being fixed at the top of tightening device (7), one end of spring (10) and gear The bottom end of plate (11) is fixedly connected, and the other end of spring (10) is fixedly connected with the inner end of link block (9).
3. a kind of automotive bumper mold convenient for lower die according to claim 1, it is characterised in that: the tightening device (7) particular number is four, is evenly distributed on the bottom end of molding die cap (2), and tightening device (7) is placed in link block (9) Intracavitary, the top of the link block (9) is fixedly connected with the bottom end of forming module (2).
4. a kind of automotive bumper mold convenient for lower die according to claim 1, it is characterised in that: two sliding shoes (5) the top end face active contact of bottom end and buffer board (12), and sliding block, sliding block and lower die are said in the side fixation of sliding shoe (5) The sliding rail of rest pad (13) side that two sides are fixed at the top of seat (4) is slidably connected.
5. a kind of automotive bumper mold convenient for lower die according to claim 3, it is characterised in that: the rest pad (13) it is fixedly connected with the top of lower die holder (4) with the bottom end of buffer board (12), the inside of the buffer board (12) is provided with slot The upper end of chamber, resilient mounting (14) is fixedly connected with vallecular cavity cavity wall.
6. a kind of automotive bumper mold convenient for lower die according to claim 1, it is characterised in that: the lower die holder (4) it is provided in the middle part of and holds cavity (15), and the cavity wall for holding cavity (15) is made of the side of bearing block (16), the bearing block (16) top middle portion is provided with cavity (17).
7. a kind of automotive bumper mold convenient for lower die according to claim 4, it is characterised in that: the resilient mounting (14) it is integrally placed in cavity (17), the lower end of resilient mounting (14) is placed in inside bearing block (16) and is fixedly connected, and springs back dress Set (14) middle part be equipped with spring (10), the both ends of the spring (10) respectively with buffer board (12) bottom face and bearing block (15) Top end face be flexibly connected.
8. a kind of automotive bumper mold convenient for lower die according to claim 1, it is characterised in that: the backform block (7) top is uniformly fixed with four ejector pins (18), and the vallecular cavity position pair of ejector pin (18) and molding die cap (2) top end face It answers.
9. a kind of automotive bumper mold convenient for lower die according to claim 1, it is characterised in that: the link block (9) it is integrally placed at and holds in cavity (15).
CN201910713517.8A 2019-08-02 2019-08-02 Automobile bumper mould convenient to lower mould Active CN110280676B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910713517.8A CN110280676B (en) 2019-08-02 2019-08-02 Automobile bumper mould convenient to lower mould

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Application Number Priority Date Filing Date Title
CN201910713517.8A CN110280676B (en) 2019-08-02 2019-08-02 Automobile bumper mould convenient to lower mould

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CN110280676A true CN110280676A (en) 2019-09-27
CN110280676B CN110280676B (en) 2020-12-01

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2528072A (en) * 1946-02-16 1950-10-31 Mueller Otto Expanding and contracting dies for drawing bumpers
CN201824533U (en) * 2010-09-30 2011-05-11 台州精超力模塑有限公司 Inner-parting stripping mechanism for automobile bumper mold
CN201895376U (en) * 2010-07-21 2011-07-13 台州市新立模塑有限公司 Typing mechanism in automobile bumper mould
CN105107944A (en) * 2015-08-19 2015-12-02 天津市华天世纪机械有限公司 Bumper reshaping die convenient for pick-up
CN206810972U (en) * 2017-04-25 2017-12-29 广州广汽荻原模具冲压有限公司 Car panel die buoyant device
CN108526270A (en) * 2018-03-26 2018-09-14 宁波高新区新柯保汽车科技有限公司 Electric machine support stamping equipment
CN208084892U (en) * 2018-03-07 2018-11-13 深圳市华益盛模具股份有限公司 A kind of liftout attachment of bumper mold

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2528072A (en) * 1946-02-16 1950-10-31 Mueller Otto Expanding and contracting dies for drawing bumpers
CN201895376U (en) * 2010-07-21 2011-07-13 台州市新立模塑有限公司 Typing mechanism in automobile bumper mould
CN201824533U (en) * 2010-09-30 2011-05-11 台州精超力模塑有限公司 Inner-parting stripping mechanism for automobile bumper mold
CN105107944A (en) * 2015-08-19 2015-12-02 天津市华天世纪机械有限公司 Bumper reshaping die convenient for pick-up
CN206810972U (en) * 2017-04-25 2017-12-29 广州广汽荻原模具冲压有限公司 Car panel die buoyant device
CN208084892U (en) * 2018-03-07 2018-11-13 深圳市华益盛模具股份有限公司 A kind of liftout attachment of bumper mold
CN108526270A (en) * 2018-03-26 2018-09-14 宁波高新区新柯保汽车科技有限公司 Electric machine support stamping equipment

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