CN107413954A - A kind of drawing die - Google Patents

A kind of drawing die Download PDF

Info

Publication number
CN107413954A
CN107413954A CN201710763669.XA CN201710763669A CN107413954A CN 107413954 A CN107413954 A CN 107413954A CN 201710763669 A CN201710763669 A CN 201710763669A CN 107413954 A CN107413954 A CN 107413954A
Authority
CN
China
Prior art keywords
pin
punch
shaping sector
blank
carrying mechanism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710763669.XA
Other languages
Chinese (zh)
Inventor
何鹏申
高双明
徐肖
李伟浩
王肖英
刘莉
赵鸿鹄
丁文军
李杭
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.)
Anhui Jianghuai Automobile Group Corp
Original Assignee
Anhui Jianghuai Automobile Group Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Jianghuai Automobile Group Corp filed Critical Anhui Jianghuai Automobile Group Corp
Priority to CN201710763669.XA priority Critical patent/CN107413954A/en
Publication of CN107413954A publication Critical patent/CN107413954A/en
Pending legal-status Critical Current

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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
    • 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
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20Deep-drawing
    • B21D22/22Deep-drawing with devices for holding the edge of the blanks
    • 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
    • B21D24/00Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/04Blank holders; Mounting means therefor

Abstract

The invention discloses a kind of drawing die, including upper bolster, die shoe and blank holder, punch-pin is provided with the die shoe, material carrying mechanism is provided with the punch-pin, the material carrying mechanism includes shaping sector and fixed part, and under matched moulds state, the shaping sector is collectively forming complete moulding face with the punch-pin, under die opening state, the shaping sector is jacked up to the moulding face higher than the punch-pin by the fixed part.Compared with prior art, the present invention is by setting liftable material carrying mechanism, blank is held up before realizing drawing, do not stayed before ensure that blank draw forming, blank holder is coordinated to carry out discharging to blank by material carrying mechanism simultaneously, the problem of avoiding deformation caused by carrying out discharging easily to blank intermediate region because of only blank holder outer ring binder surface;Production efficiency is effectively increased, reduces assembling and setting difficulty and complex degree of structure.

Description

A kind of drawing die
Technical field
The present invention relates to Stamping Die Technology field, particularly a kind of drawing die.
Background technology
Drawing die includes upper bolster, die shoe, fission_typed punch and blank holder, by presser or manipulator by blank It is placed on blank holder, blank holder realizes binder with upper bolster, and then realizes fission_typed punch draw forming.Existing drawing die For blank holder binder surface account for blank ratio it is smaller when, (blank holder is minimum in principle is higher than split when plate is placed on blank holder Punch-pin 10-15mm), it is middle hanging, because gravity stays, make blank positioning inaccurate, influence binder and draw forming effect.
The solution of prior art one is to increase process complementary surface, to increase binder surface ratio, but reduces material Utilization rate, while process arrangement is influenceed, increase frock development cost influences the die debugging cycle.
The solution of prior art two is increase intermediate active flanging loop mechanism, is jacked up by push rod, because interior Outer press material structure, push rod power is big, and binder matching is poor, complicated, and drawing debugging is difficult (need to be adjusted inside and outside pressure-plate-force and ensure pressure Material) frock cost height, it is limited to push rod and wears and take blame for others sliding block flatness influence debugging effect in itself, and then it is all to influence debugging Phase and uncertainty.
The content of the invention
It is an object of the invention to provide a kind of drawing die, to solve deficiency of the prior art so that blank drawing into Do not stayed before shape.
The invention provides a kind of drawing die, including upper bolster, die shoe and blank holder, set on the die shoe There is punch-pin, material carrying mechanism is provided with the punch-pin, the material carrying mechanism includes shaping sector and fixed part, in matched moulds state Under, the shaping sector is collectively forming complete moulding face with the punch-pin, and under die opening state, the shaping sector is lifted by described Portion is jacked up to the moulding face higher than the punch-pin.
Drawing die as described above, these, it is preferred to, the material carrying mechanism is three, is set in equilateral triangle.
Drawing die as described above, these, it is preferred to, the moulding face of the punch-pin is concavely provided with embedded hole, described Material carrying mechanism is contained in the embedded hole, and the fixed part includes nitrogen spring and block, and multiple nitrogen springs are consolidated Due in the embedded hole, multiple blocks be fixed on the bottom of the shaping sector and with a pair of the multiple nitrogen springs 1 Should.
Drawing die as described above, these, it is preferred to, the fixed part also includes guide pillars and bushes, multiple described Guide pillar is fixed in the embedded hole, multiple guide pin bushings be fixed on the bottom of the shaping sector and with multiple guide pillars one by one It is corresponding.
Drawing die as described above, these, it is preferred to, the fixed part also includes limiting stand and caging bolt, institute Limiting stand is stated in the embedded hole, the limiting stand coaxially runs through limited location hole, and one end of the caging bolt is fixed on The bottom of the shaping sector, the other end of the caging bolt are fixed on the punch-pin after passing through the spacing hole.
Drawing die as described above, these, it is preferred to, the shaping sector is provided with and is through to leading in the guide pin bushing To stomata.
Compared with prior art, by setting liftable material carrying mechanism, blank is held up the present invention before realizing drawing, is ensured Do not stayed before blank draw forming, while coordinate blank holder to carry out discharging to blank by material carrying mechanism, avoided because only having Blank holder outer ring binder surface carries out the problem of discharging easily causes deformation to blank intermediate region;Production efficiency is effectively increased, is dropped Low assembling and setting difficulty and complex degree of structure.
Brief description of the drawings
Fig. 1 is the axonometric drawing of the integrally-built die shoe of the present invention and blank holder;
Fig. 2 is the punch-pin partial isometric of the present invention;
Fig. 3 is the material carrying mechanism partial isometric views one of the present invention;
Fig. 4 is the material carrying mechanism partial isometric views two of the present invention;
Fig. 5 is the lower mould die opening state sectional view of the present invention;
Fig. 6 is the matched moulds state sectional view of the present invention.
Description of reference numerals:1- upper bolsters, 2- die shoes, 3- blank holders, 4- punch-pin, 5- shaping sector, 6- fixed parts, in 7- Embedding hole, 8- nitrogen springs, 9- blocks, 10- guide pillars, 11- guide pin bushings, 12- limiting stands, 13- spacing holes, 14- caging bolts, 15- are led To stomata, 16- blanks.
Embodiment
The embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining the present invention, and can not be construed to Limitation of the present invention.
As shown in Figures 1 to 4, the embodiment provides a kind of drawing die, including upper bolster 1, die shoe 2 with And blank holder 3, it is provided with punch-pin 4 on the die shoe 2, punch-pin 4 and die shoe 2 either integral casting forming or each single Fitted together after alone becoming type, material carrying mechanism is provided with the punch-pin 4, the material carrying mechanism includes shaping sector 5 and lifted Portion 6, under matched moulds state, the shaping sector 5 is collectively forming complete moulding face with the punch-pin 4, described under die opening state Shaping sector 5 is jacked up to the moulding face higher than the punch-pin 4 by the fixed part 6.
The course of work of above-described embodiment is:
As shown in figure 5, under die opening state, upper bolster 1, blank holder 3 and die shoe 2 are separated from each other, and lathe push rod is under Stretched out in the push rod via of die holder 2 on the push rod cushion block for withstanding on the lower section of blank holder 3 so as to which blank holder 3 is jacked up into certain altitude, this When, shaping sector 5 is jacked up to the moulding face higher than the punch-pin 4 by the fixed part 6, highly consistent with blank holder 3.
Blank 16 is positioned on blank holder 3 by manipulator, and now shaping sector 5 supports blank 16 simultaneously with blank holder 3, from And do not stayed before ensure that the draw forming of blank 16.
As shown in fig. 6, then beginning to matched moulds, upper bolster 1 is gradually reduced with press, and blank holder 3 is to the border of blank 16 week Circle carries out binder, and upper bolster 1 continues to move downward, and lathe push rod is pressed down, and upper bolster 1 moves downwardly together with blank holder 3, this When shaping sector 5 is also synchronous declines, until being collectively forming complete moulding face with the punch-pin 4.
After completing punching press drawing, punch and matrix is separated, and as upper bolster 1 moves upwardly together with press, fixed part 6 will be made Type portion 5 jacks up, and promotes stamping parts to lift up the moulding face for leaving blank holder 3, and after mould is opened completely, operating personnel can be square Just pick up stamping parts and remove mould, into next work period.
The material carrying mechanism be three, set in equilateral triangle, so that the stress of blank 16 is more steady, avoid by The Forming Quality of stamping parts is influenceed in unbalance stress.One of ordinary skill in the art be easy for it is contemplated that, can be according to base The actual shapes and sizes of material 16, the number and location of material carrying mechanism are adjusted flexibly.
The moulding face of the punch-pin 4 is concavely provided with embedded hole 7, and the material carrying mechanism is contained in the embedded hole 7, described The outer surface of shaping sector 5 and the lubrication groove profile surface in the embedded hole 7 are adapted, and the fixed part 6 includes nitrogen spring 8 and gear Block 9, multiple nitrogen springs 8 are fixed in the embedded hole 7, and multiple blocks 9 are fixed on the bottom of the shaping sector 5 And corresponded with multiple nitrogen springs 8.Certain nitrogen spring 8 also can directly press on shaping sector 5 without pad Block.The small volume of nitrogen spring 8, elastic force is big, stroke is long, stable working, and manufacture is accurate, service life length, and spring curve is gentle.It is logical The piston rod lifting of nitrogen spring 8 is crossed, so as to realize the lifting of shaping sector 5.
The fixed part 6 also includes guide pillar 10 and guide pin bushing 11, and multiple guide pillars 10 are fixed in the embedded hole 7, more The individual guide pin bushing 11 is fixed on the bottom of the shaping sector 5 and corresponded with multiple guide pillars 10.Guide pillar 10 and guide pin bushing 11 Guide effect has been not only acted as, and when nitrogen spring 8 shrinks, shaping sector 5 is pressed on guide pillar 10, and guide pillar 10 provides support Power, shaping sector 5 can remain in drawing process is collectively forming complete moulding face with the punch-pin 4.
Guide pillar 10 is provided with spiro rod section, and the guide pillar 10, which is connected through a screw thread, to be fixed in the embedded hole 7, to facilitate adjustment The height of guide pillar 10.
The fixed part 6 also includes limiting stand 12 and caging bolt 14, and the limiting stand 12 is located in the embedded hole 7, The limiting stand 12 coaxially runs through limited location hole 13, and the bottom of the shaping sector 5, institute are fixed in one end of the caging bolt 14 State caging bolt 14 the other end pass through the spacing hole 13 after be fixed to the punch-pin 4 on.Caging bolt 14 is made for limitation The stroke in type portion 5.
The shaping sector 5 is provided with the guiding stomata 15 being through in the guide pin bushing 11, avoids guide pillar 10 from being oriented to and holds one's breath, transports It is dynamic not smooth.
Construction, feature and the action effect of the present invention, above institute is described in detail according to the embodiment shown in schema above Only presently preferred embodiments of the present invention is stated, but the present invention is not to limit practical range shown in drawing, it is every according to structure of the invention Want made change, or be revised as the equivalent embodiment of equivalent variations, when still without departing from specification and illustrating covered spirit, All should be within the scope of the present invention.

Claims (6)

1. a kind of drawing die, including upper bolster (1), die shoe (2) and blank holder (3), it is provided with the die shoe (2) Punch-pin (4), it is characterised in that:Be provided with material carrying mechanism in the punch-pin (4), the material carrying mechanism include shaping sector (5) and Fixed part (6), under matched moulds state, the shaping sector (5) is collectively forming complete moulding face with the punch-pin (4), is molding Under state, the shaping sector (5) is jacked up to the moulding face for being higher than the punch-pin (4) by the fixed part (6).
2. drawing die according to claim 1, it is characterised in that:The material carrying mechanism is three, in equilateral triangle Set.
3. drawing die according to claim 1, it is characterised in that:The moulding face of the punch-pin (4) is concavely provided with embedded Hole (7), the material carrying mechanism are contained in the embedded hole (7), and the fixed part (6) includes nitrogen spring (8) and block (9), multiple nitrogen springs (8) are fixed in the embedded hole (7), and multiple blocks (9) are fixed on the shaping sector (5) bottom simultaneously corresponds with multiple nitrogen springs (8).
4. drawing die according to claim 3, it is characterised in that:The fixed part (6) also includes guide pillar (10) and led Cover (11), multiple guide pillars (10) are fixed in the embedded hole (7), and multiple guide pin bushings (11) are fixed on the shaping sector (5) bottom simultaneously corresponds with multiple guide pillars (10).
5. drawing die according to claim 3, it is characterised in that:The fixed part (6) also include limiting stand (12) and Caging bolt (14), for the limiting stand (12) in the embedded hole (7), the limiting stand (12) coaxially runs through limited location hole (13), the bottom of the shaping sector (5), the other end of the caging bolt (14) are fixed in one end of the caging bolt (14) It is fixed to afterwards on the punch-pin (4) through the spacing hole (13).
6. drawing die according to claim 4, it is characterised in that:The shaping sector (5), which is provided with, is through to described lead Cover the guiding stomata (15) in (11).
CN201710763669.XA 2017-08-30 2017-08-30 A kind of drawing die Pending CN107413954A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710763669.XA CN107413954A (en) 2017-08-30 2017-08-30 A kind of drawing die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710763669.XA CN107413954A (en) 2017-08-30 2017-08-30 A kind of drawing die

Publications (1)

Publication Number Publication Date
CN107413954A true CN107413954A (en) 2017-12-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710763669.XA Pending CN107413954A (en) 2017-08-30 2017-08-30 A kind of drawing die

Country Status (1)

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CN (1) CN107413954A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112317616A (en) * 2020-09-30 2021-02-05 中国第一汽车股份有限公司 Back door inner plate drawing die with material supporting device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202070692U (en) * 2011-03-25 2011-12-14 山东潍坊福田模具有限责任公司 Material holding device of stamping die
CN103586342A (en) * 2013-10-15 2014-02-19 浙江吉利控股集团有限公司 Drawing die
CN203508834U (en) * 2013-10-12 2014-04-02 奇瑞汽车股份有限公司 Cold stamped part drawing process sheet supporting structure
CN203711639U (en) * 2014-02-26 2014-07-16 安徽江淮汽车股份有限公司 Cold stamping drawing die
CN105268848A (en) * 2015-10-14 2016-01-27 奇瑞汽车股份有限公司 Forming die for forming automobile back door plate
CN205309127U (en) * 2015-12-30 2016-06-15 重庆大江至信模具工业有限公司 Mechanism is lifted to tablet of floor drawing die before automobile
CN106040866A (en) * 2016-07-26 2016-10-26 滁州达世汽车配件有限公司 Automobile drawing die
CN106925652A (en) * 2017-05-09 2017-07-07 安徽江淮汽车集团股份有限公司 A kind of drawing forming process and its stamping mold

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202070692U (en) * 2011-03-25 2011-12-14 山东潍坊福田模具有限责任公司 Material holding device of stamping die
CN203508834U (en) * 2013-10-12 2014-04-02 奇瑞汽车股份有限公司 Cold stamped part drawing process sheet supporting structure
CN103586342A (en) * 2013-10-15 2014-02-19 浙江吉利控股集团有限公司 Drawing die
CN203711639U (en) * 2014-02-26 2014-07-16 安徽江淮汽车股份有限公司 Cold stamping drawing die
CN105268848A (en) * 2015-10-14 2016-01-27 奇瑞汽车股份有限公司 Forming die for forming automobile back door plate
CN205309127U (en) * 2015-12-30 2016-06-15 重庆大江至信模具工业有限公司 Mechanism is lifted to tablet of floor drawing die before automobile
CN106040866A (en) * 2016-07-26 2016-10-26 滁州达世汽车配件有限公司 Automobile drawing die
CN106925652A (en) * 2017-05-09 2017-07-07 安徽江淮汽车集团股份有限公司 A kind of drawing forming process and its stamping mold

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
庞军等: "《塑料成型工艺与模具设计》", 30 June 2010, 北京航空航天大学出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112317616A (en) * 2020-09-30 2021-02-05 中国第一汽车股份有限公司 Back door inner plate drawing die with material supporting device

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Application publication date: 20171201