CN107413954A - A kind of drawing die - Google Patents
A kind of drawing die Download PDFInfo
- 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
Links
Classifications
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/22—Deep-drawing with devices for holding the edge of the blanks
-
- 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
- B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
- B21D24/04—Blank 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
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).
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 |
Family
ID=60435511
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)
| Country | Link |
|---|---|
| CN (1) | CN107413954A (en) |
Cited By (1)
| 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)
| 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 |
-
2017
- 2017-08-30 CN CN201710763669.XA patent/CN107413954A/en active Pending
Patent Citations (8)
| 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)
| 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)
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |