CN103801623B - Bending stamping mould - Google Patents
Bending stamping mould Download PDFInfo
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- CN103801623B CN103801623B CN201410078321.3A CN201410078321A CN103801623B CN 103801623 B CN103801623 B CN 103801623B CN 201410078321 A CN201410078321 A CN 201410078321A CN 103801623 B CN103801623 B CN 103801623B
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- die
- spill spin
- spin block
- punch
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Abstract
The invention provides a kind of bending stamping mould, comprise punch and the die corresponding with described punch; Die comprises the spill spin block that can rotate relative to die body that die body and die body are embedded, and spill spin block is provided with the forming surface of workpiece bows position; In punch and the involutory process of die, punch can promote spill spin block and rotate, and the forming surface of spill spin block rotates and forms with die body concave die cavity workpiece being carried out to bending punching press.Bending stamping mould provided by the invention, by arranging rotatable spill spin block on die, with in the engagement process of punch and die, concave die cavity is formed by being rotated on die of spill spin block, and workpiece is bent simultaneously, can realize being less than the workpiece first order buckling of 90 ° to angle of bend shaping, simple to operate, production efficiency is high.
Description
Technical field
The present invention relates to Tool and Die Technology, particularly relate to a kind of bending stamping mould.
Background technology
In prior art, when adopting mould to carry out bending to material, high and be less than the bending (workpiece as shown in Figure 1 of 90 degree of angles for required precision, the angle of bend of both sides is all less than 90 degree), the bending of this workpiece is divided into two steps to carry out usually: first with first set mould, material is bent to square part; Second step, bends to the final angle required with the second mold again by the workpiece curving square part.
The bending operation operation of above-mentioned workpiece is more, and production efficiency is low, and for the workpiece that batch is larger, this mode of production can not be satisfied the demand.
Summary of the invention
The invention provides a kind of bending stamping mould, can to the bending one-shot forming of workpiece, simple to operate, production efficiency is higher.
The invention provides a kind of bending stamping mould, comprise punch and the die corresponding with described punch;
Described die comprises the spill spin block that can rotate relative to described die body that die body and described die body are embedded, and described spill spin block is provided with the forming surface of workpiece bows position;
In described punch and the involutory process of described die, described punch can promote described spill spin block and rotate, and the forming surface of described spill spin block rotates and forms with described die body concave die cavity workpiece being carried out to bending punching press.
Bending stamping mould provided by the invention, by arranging rotatable spill spin block on die, with in the engagement process of punch and die, concave die cavity is formed by being rotated on die of spill spin block, and workpiece is bent simultaneously, can realize being less than the workpiece first order buckling of 90 ° to angle of bend shaping, simple to operate, production efficiency is high.
Accompanying drawing explanation
Fig. 1 be workpiece bows shaping after structural representation;
The structural representation of the bending stamping mould convex mould that Fig. 2 provides for the embodiment of the present invention and die released state;
The structural representation of spill spin block in the bending stamping mould that Fig. 3 provides for the embodiment of the present invention;
Another structural representation of die in the bending stamping mould that Fig. 4 provides for the embodiment of the present invention;
The bending stamping mould convex mould that Fig. 5 provides for the embodiment of the present invention and die involutory after structural representation.
Detailed description of the invention
The embodiment of the present invention provides a kind of bending stamping mould, and as shown in Figures 2 and 3, this bending stamping mould comprises punch 1 and the die 2 corresponding with described punch 1, by the brake forming that coordinated workpiece of punch 1 with die 2; Wherein die 2 comprises the spill spin block 22 that can rotate relative to die body 21 that die body 21 and described die body 21 are embedded, and spill spin block 22 is provided with the forming surface of workpiece bows position; In the process that punch 1 and die 2 are involutory, punch 1 can promote spill spin block 22 and rotate, the forming surface of spill spin block 22 rotates and forms with die body 21 concave die cavity workpiece being carried out to bending punching press, now the die body 11 of punch 1 progresses in the concave die cavity of die 2, as shown in Figure 5, the workpiece in concave die cavity is stamped shaping state after punch 1 is involutory with die 2.
The bending stamping mould that the present embodiment provides carries out the shape after bending punching press as shown in Figure 1 to workpiece.
In Fig. 1, workpiece after brake forming has the curved shape that two places are less than 90 °, therefore, as described in Figure 2, two spill spin blocks 22 are provided with in die body 21, two spill spin blocks 22 are respectively provided with the forming surface of arc, this forming surface is the forming surface that two places of workpiece are less than 90 ° of curved shapes, for bending two positions of workpiece.Wherein, the quantity of spill spin block 22 and the shape of upper forming surface thereof are not limited to this, and shape that specifically can be shaping needed for workpiece designs.
In the present embodiment, the concrete structure of spill spin block 22 as shown in Figure 3, this spill spin block 22 is combined by rotating body 221 and insert 222, specifically by bolt, insert 222 is fixed on rotating body 221, forming surface 223 is arranged in insert 222, like this, spill spin block 22 is designed to knockdown, not only be convenient to machining, and easily wear and tear due to forming surface 223, after forming surface wearing and tearing, only can change insert 222, do not need to change the whole of spill spin block 222, not only convenient but also save cost.
In the present embodiment, resetting means 3 is connected with spill spin block 22, for after workpiece bows is shaping, spill spin block 22 automatically resets, this mould punching press next time is not only facilitated to use, and after Workpiece shaping, spill spin block 22 automatically resets, the die body 11 of punch 1 can be made upwards can to deviate from the concave die cavity of die 2 smoothly.
In the present embodiment, resetting means 3 comprises the pull bar 31 be connected on spill spin block 22, pull bar 31 is equipped with back-moving spring 32, one end of back-moving spring 32 is supported in pull bar 31 one end away from spill spin block 22, the other end is supported on die body 21, to pull spill spin block 22 to rotate by the elastic force of back-moving spring 32, it is made to automatically reset.
Concrete, the pulling force left-right balance resetting suffered for making spill spin block 22, each spill spin block 22 is connected with two pull bars 31, is connected to the both sides of spill spin block 22, and be specifically respectively fixed with a baffle plate 33 in the both sides of spill spin block 22, pull bar 31 is connected on baffle plate 33.
The two ends of die body 21 are respectively provided with cushion block 23, and two pull bars 31 that each spill spin block 22 connects all are located on the cushion block 23 of this spill spin block 22 side, back-moving spring 32 is supported on cushion block 23, to be supported on die body 21 by cushion block 23.
To in workpiece bows punching course, punch 1 moves to the direction of die 2, and two spill spin blocks 22 rotate all to the inside under the effect of punch 1, and meanwhile, spill spin block 22 pulls one end of pull bar 31 to move to centre position, and back-moving spring 32 is compressed.After workpiece bows is shaping, in the process that punch 1 is upwards return, applied active force by the back-moving spring 32 pairs of pull bars 31 compressed, move laterally to pull pull bar 31, pull bar 31 pulls spill spin block 22 to rotate laterally simultaneously, thus punch 1 is up, and spill spin block 22 gets back to initial position.
In the present embodiment, die body 21 is provided with the stripper 24 of place work piece, discharging spring 25 is provided with between stripper 24 and die body 21, in order to support stripper 24 by the elastic force of discharging spring 25 after workpiece bows is shaping, thus the workpiece on stripper 24 is ejected from concave die cavity.
Concrete operations are as follows: before workpiece bows is shaping, first workpiece to be bent is positioned on stripper 24, punch 1 is descending, be against on workpiece that stripper 24 is placed, and it is descending to promote stripper 24, spill spin block 22 rotates simultaneously, the involutory surface of punch 1 and the involutory surface of die 2 involutory time, workpiece bows is shaping, and then punch 1 is up, and now discharging spring 25 promotes stripper 24 and ejected from concave die cavity by the workpiece after brake forming.
In this enforcement, as in Fig. 2, for ensureing the stationarity that stripper 24 moves up and down, between stripper 24 and die body 21, be provided with two discharging springs 25 be arranged side by side.In addition, for ensureing the stationarity that stripper 24 moves up and down, as shown in Figure 4, also lead 26 can be also set between stripper 23 and die body 21, be respectively be provided with a lead 26 in the both sides of discharging spring 25 in Fig. 4, led by the lifting of lead 26 pairs of strippers 24.
In the present embodiment, because spill spin block 22 is embedded in die body 21, for ease of the device of spill spin block 22 and the processing and fabricating of die body 21, die body 21 design capable of being combined, is namely combined by multiple structure, as in Fig. 4, die body 21 is assembled by structure 211 and two briquettings 212 and is formed, two briquettings 212, by being bolted to the upper position of spill spin block 22, to form with structure 211 cavity being embedded spill spin block 22, make spill spin block 22 can rotate in this cavity.
In the present embodiment, as shown in Figure 1, the top of punch 1 is also provided with convex mould base 5, and punch 1 is fixed on forcing press by convex mould base 5, and punch 1 is moved up and down under the drive of forcing press.
The below of die 2 is provided with die socket 4, with fixing die 2, for making punch 1 accurate with the involutory position of die 2, is provided with aligning structure 6 between punch 1 and die 2, to ensure that punch 1 is accurate with the involutory position of die 2.
Two guide pin bushings 62 set on two guide pillars 61 that this aligning structure 6 is specifically set on die socket 4 and punch 1, in the descending process of punch 1, two guide pin bushings 62 are set on two guide pillars 61, thus punch 1 is comparatively accurate with the involutory position of die 2.
Below the detailed process that the bending stamping mould provided with the present embodiment carries out brake forming is described.
Workpiece to be bent is positioned on stripper 24;
Punch 1 is descending, touches the position, top of workpiece on stripper 24 and spill spin block 22;
Punch 1 continues descending, and promote stripper 24 descending, discharging spring 25 compresses, spill spin block 22 rotates simultaneously, forms concave die cavity gradually, simultaneously on die 2, the die body 11 of punch 1 progresses in the concave die cavity of die 2, and punch 1 is involutory with die 2, and workpiece bows is shaping;
After workpiece bows is shaping, punch 1 is up, spill spin block 22 is under the effect of back-moving spring 32, spill spin block 22 is pulled to rotate laterally by pull bar 31, now, stripper 24 is up under the effect of discharging spring 25, and workpiece is up with punch 1 under the promotion of stripper 24, then can take off compressing workpiece from the side of punch 1.
The bending stamping mould that the embodiment of the present invention provides, by arranging rotatable spill spin block on die, with in the engagement process of punch and die, concave die cavity is formed by being rotated on die of spill spin block, and workpiece is bent simultaneously, can realize being less than the workpiece first order buckling of 90 ° to angle of bend shaping, simple to operate, production efficiency is high.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (12)
1. a bending stamping mould, is characterized in that, comprises punch and the die corresponding with described punch;
Described die comprises the spill spin block that can rotate relative to described die body that die body and described die body are embedded, and described spill spin block is provided with the forming surface of workpiece bows position;
In described punch and the involutory process of described die, described punch can promote described spill spin block and rotate, and the forming surface of described spill spin block rotates and forms with described die body concave die cavity workpiece being carried out to bending punching press;
Be connected with resetting means with each described spill spin block, for after completing workpiece bows punching press, described spill spin block automatically resets;
Described resetting means comprises the pull bar be connected on described spill spin block, described pull bar is equipped with back-moving spring, one end of described back-moving spring is supported in described pull bar one end away from described spill spin block, the other end is supported on described die body, pulls described spill spin block to rotate to automatically reset by the elastic force of described back-moving spring.
2. bending stamping mould according to claim 1, is characterized in that, each described spill spin block is connected with two described pull bars, is connected to the both sides of each described spill spin block.
3. bending stamping mould according to claim 2, is characterized in that, the both sides of each described spill spin block are respectively fixed with a baffle plate, and two described pull bars are connected on the described baffle plate of both sides.
4. bending stamping mould according to claim 2, is characterized in that, described die body is provided with cushion block, and two described pull bars are located on described cushion block, and described back-moving spring is supported on described cushion block near one end of described spill spin block.
5. bending stamping mould according to claim 1, it is characterized in that, described die body is provided with the stripper of place work piece, be provided with discharging spring between described stripper and described die body, described workpiece is supported described stripper by the elastic force of described discharging spring and is ejected from described concave die cavity by described workpiece after brake forming.
6. bending stamping mould according to claim 5, is characterized in that, described discharging spring is two that are arranged side by side.
7. bending stamping mould according to claim 5, is characterized in that, is provided with lead between described stripper and described die body, to lead to the lifting of described stripper.
8., according to the arbitrary described bending stamping mould of claim 1-7, it is characterized in that, described spill spin block comprises the insert that rotating body and described rotating body are inlayed, and the described forming surface on described spill spin block is arranged in described insert.
9. according to the arbitrary described bending stamping mould of claim 1-7, it is characterized in that, described die body is assembled by multiple structure and is formed.
10., according to the arbitrary described bending stamping mould of claim 1-7, it is characterized in that, above described punch, be fixed with upper bolster, below described die, be fixed with die shoe.
11. bending stamping moulds according to claim 10, is characterized in that, are provided with aligning structure between described punch and described die, to ensure the involutory position of punch and die.
12. bending stamping moulds according to claim 11, it is characterized in that, described butted structure is guide pillar set on guide pin bushing set on described punch and described die shoe, and in described punch and the involutory process of described die, described guide pin bushing is sheathed on described guide pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078321.3A CN103801623B (en) | 2014-03-05 | 2014-03-05 | Bending stamping mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078321.3A CN103801623B (en) | 2014-03-05 | 2014-03-05 | Bending stamping mould |
Publications (2)
| Publication Number | Publication Date |
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| CN103801623A CN103801623A (en) | 2014-05-21 |
| CN103801623B true CN103801623B (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410078321.3A Active CN103801623B (en) | 2014-03-05 | 2014-03-05 | Bending stamping mould |
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| CN (1) | CN103801623B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728520B (en) * | 2014-12-11 | 2018-01-30 | 上海新宇箴诚电控科技有限公司 | A kind of metal plate folded at arbitrary angle device |
| CN105215166B (en) * | 2015-09-29 | 2019-03-29 | 芜湖奕辰模具科技有限公司 | A kind of spring punch-forming mold |
| CN106734424A (en) * | 2016-11-17 | 2017-05-31 | 讯龙型材折弯（合肥）有限公司 | A kind of both sides rotary extrusion type S-shaped bar bending mechanism |
| CN108637098A (en) * | 2018-06-25 | 2018-10-12 | 天津市永友工贸有限公司 | A kind of stamped workpieces molding die |
| WO2020217430A1 (en) * | 2019-04-25 | 2020-10-29 | 株式会社ユアビジネス | Rotary press die |
| CN111069434B (en) * | 2019-12-09 | 2021-08-03 | 广东天倬智能装备科技有限公司 | Stamping die and working method thereof |
| CN111558639B (en) * | 2020-04-29 | 2022-08-09 | 上海凌云工业科技有限公司凌云汽车技术分公司 | Section bar bending forming equipment and bending forming process thereof |
| CN113151656B (en) * | 2021-03-19 | 2022-01-07 | 鄂尔多斯市神东天隆矿山机械有限责任公司 | Air cooling device for manufacturing cutting teeth |
Citations (3)
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| CN2623370Y (en) * | 2003-06-12 | 2004-07-07 | 中国重型汽车集团有限公司 | Bending mould of ''U''workpieces |
| CN102343398A (en) * | 2011-11-04 | 2012-02-08 | 衡阳风顺车桥有限公司 | Bending punching composite die for steel plate spring seat of automobile |
| CN103170530A (en) * | 2011-12-23 | 2013-06-26 | 贵州航天乌江机电设备有限责任公司 | Method and die for machining part with bending angles of less than 90 degrees on pressing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002028728A (en) * | 2000-07-12 | 2002-01-29 | Tiger Kosan:Kk | Apparatus for bending metal plate to u shape with rotation suppression function |
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- 2014-03-05 CN CN201410078321.3A patent/CN103801623B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2623370Y (en) * | 2003-06-12 | 2004-07-07 | 中国重型汽车集团有限公司 | Bending mould of ''U''workpieces |
| CN102343398A (en) * | 2011-11-04 | 2012-02-08 | 衡阳风顺车桥有限公司 | Bending punching composite die for steel plate spring seat of automobile |
| CN103170530A (en) * | 2011-12-23 | 2013-06-26 | 贵州航天乌江机电设备有限责任公司 | Method and die for machining part with bending angles of less than 90 degrees on pressing machine |
Non-Patent Citations (1)
| Title |
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| 卡箍旋转式弯曲模设计;刘星民;《模具制造》;20120131(第1期);第23-24页 * |
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| CN103801623A (en) | 2014-05-21 |
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Address after: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory Patentee after: CRRC TANGSHAN CO., LTD. Address before: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory Patentee before: Tangshan Railway Carriage Co., Ltd. |