CN109092988B - Die structure for continuously stamping ultrathin workpiece - Google Patents
Die structure for continuously stamping ultrathin workpiece Download PDFInfo
- Publication number
- CN109092988B CN109092988B CN201810692530.5A CN201810692530A CN109092988B CN 109092988 B CN109092988 B CN 109092988B CN 201810692530 A CN201810692530 A CN 201810692530A CN 109092988 B CN109092988 B CN 109092988B
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- upper die
- die
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- punch
- forming
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- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 238000004080 punching Methods 0.000 claims 4
- 238000007493 shaping process Methods 0.000 claims 4
- 238000000034 method Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention provides a die structure for continuously stamping an ultrathin workpiece, which comprises an upper die part and a lower die part, wherein the upper die part is provided with an upper die seat, an upper die plate is fixedly connected onto the upper die seat, a forming punch mechanism is fixedly connected onto the upper die plate, a stripper plate is elastically connected onto the upper die seat, the stripper plate is positioned below the upper die plate, the forming punch mechanism passes through the stripper plate, the lower die part comprises a lower die seat, a lower die plate is fixedly arranged on the lower die seat, a forming sub-mechanism matched with the forming punch mechanism in a stamping manner is arranged on the lower die plate, a rod body is fixedly connected onto the upper die seat, the rod body movably passes through the lower die seat, a stop end is formed at the end part of the rod body, a reset part is sleeved on the rod body, and the reset part is positioned between the upper die seat and the lower die seat. Compared with the prior art, the invention can effectively overcome displacement deviation in the guide post clearance range and improve the overall performance.
Description
Technical Field
The invention relates to a stamping die, in particular to a die structure for continuously stamping an ultrathin workpiece.
Background
In the stamping process of an ultrathin workpiece (t=0.05), the upper die and the lower die have the processes of opening and closing the die in the production process because the blanking clearance is very small, and the upper die and the lower die are guided by guide posts, so that the die is smoothly opened and closed, a certain clearance is reserved between the guide posts and the guide sleeve of the lower die, and the clearance is usually larger than the blanking clearance of a knife edge; meanwhile, in the die assembly process, certain impact can be generated when the upper die guide post is inserted into the lower die, so that displacement deviation in the guide post clearance range can be easily generated in the upper die and the lower die, the upper die punch head deviates from the position of the lower die knife edge, knife edge shoveling damage is generated, and the overall performance of the punch is affected.
Disclosure of Invention
In view of the above, the invention provides a die structure for continuously stamping ultrathin workpieces, which can effectively overcome displacement deviation in the guide post clearance range.
The invention provides a die structure for continuously stamping an ultrathin workpiece, which comprises an upper die part and a lower die part, wherein the upper die part is provided with an upper die seat, an upper die plate is fixedly connected onto the upper die seat, a forming punch mechanism is fixedly connected onto the upper die plate, a stripper plate is elastically connected onto the upper die seat, the stripper plate is positioned below the upper die plate, the forming punch mechanism penetrates through the stripper plate, the lower die part comprises a lower die seat, a lower die plate is fixedly arranged on the lower die seat, a forming insert mechanism matched with the forming punch mechanism in a stamping manner is arranged on the lower die plate, a rod body is fixedly connected onto the upper die seat, the rod body movably penetrates through the lower die seat, a stop end is formed at the end part of the rod body, a reset part is sleeved on the rod body, and the reset part is positioned between the upper die seat and the lower die seat.
Further, the stop end of the rod body is provided with a limited first fixing plate.
Further, the restoring member is a spring.
Further, the rod body is fixedly connected to the bottom surface of the upper die holder.
Further, the bottom surface of the upper die holder is fixedly connected with a second fixing plate, and the end part of the rod body is fixedly connected with the second fixing plate.
Further, the forming punch mechanism comprises a first forming punch and a second forming punch, and the forming insert mechanism comprises a first forming insert and a second forming insert.
Further, the first forming punch and the first forming insert are press-fitted with each other through a chamfer, and the second forming punch and the second forming insert are press-fitted with each other through a horizontal plane.
Further, the upper die holder is also elastically connected with a first punch pin.
Further, a second punch pin is elastically connected to the upper die plate.
Further, a third punch pin is fixedly connected to the upper die plate.
According to the die structure for continuously stamping the ultrathin workpiece, a plurality of connecting rods (rod bodies) are added on the basis of an original conventional die, springs are sleeved in the middle of the connecting rods, the connecting rod spring structure ensures that an upper die and a lower die are not separated when the die is opened, only the upper die and the lower die do up-down movement in the range of the connecting rods, meanwhile, the original guide post and guide sleeve structure is improved, a guide post is fixed on a stripping plate, the guide post is guided and matched with a clamping plate upwards and matched with a lower die plate downwards, the guide post can also adopt a precise ball guide post, and the theoretical guide post gap is zero; compared with the prior art, the method can effectively overcome displacement deviation in the guide post clearance range and improve the overall performance.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
Fig. 1 is a schematic structural diagram of a die structure for continuously stamping an ultrathin workpiece in an open die state according to an embodiment of the invention;
Fig. 2 is a schematic structural diagram of a die structure for continuously stamping an ultrathin workpiece in a die-closing state according to an embodiment of the invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Embodiment one:
Referring to fig. 1 to 2, a mold structure for continuously stamping an ultrathin workpiece is shown in the first embodiment of the invention, which comprises an upper mold part 1 and a lower mold part 2, wherein the upper mold part 1 is provided with an upper mold seat 11, an upper mold plate 111 is fixedly connected to the upper mold seat 11, a forming punch mechanism 12 is fixedly connected to the upper mold plate 111, a stripper plate 13 is elastically connected to the upper mold seat 11, the stripper plate 13 is positioned below the upper mold plate 11, the forming punch mechanism 12 passes through the stripper plate 13, the lower mold part 2 comprises a lower mold seat 21, a lower mold plate 22 is fixedly installed on the lower mold seat 21, a forming insert mechanism 23 in press fit with the forming punch mechanism 12 is installed on the lower mold plate 22, a rod body 3 is fixedly connected to the upper mold seat 11, the rod body 3 movably passes through the lower mold seat 21, the rod body 3 is positioned at the end part of the lower mold seat 21 to form a stop end 31, a reset part 32 is sleeved on the rod body 3, and the reset part 32 is positioned between the upper mold seat 11 and the lower mold seat 21. Wherein, the stop end 31 of the rod body 3 is provided with a limited first fixing plate 33; reset element 32 is a spring; the rod body 3 is fixedly connected to the bottom surface of the upper die holder 11; the bottom surface of upper die holder 11 fixedly connected with second fixed plate 14, the tip and the second fixed plate 14 fixed connection of body of rod 3.
According to the die structure for continuously stamping the ultrathin workpiece, a plurality of connecting rods (rod bodies) are added on the basis of an original conventional die, springs are sleeved in the middle of the connecting rods, the connecting rod spring structure ensures that the upper die and the lower die are not separated when the die is opened, only the upper die and the lower die move in the range of the connecting rods, the original guide post and guide sleeve structure is improved, the guide post is fixed on a stripping plate, the guide post is guided and matched with a clamping plate upwards and matched with a lower die plate downwards, the guide post can also adopt a precise ball guide post, and the theoretical guide post gap is zero; the working principle of the die; the screw of the upper die holder pulls the upper and lower connecting rods, the connecting rods are always between the upper and lower die holders, the die separating springs separate the upper and lower die parts, the springs are always tightened and stretched in the connecting rods, the connecting rods are fixed on the upper and lower sheets and the springs are always connected with the whole die set into a whole, the precision of the die is effectively ensured, meanwhile, the error caused by the upper and lower separation strokes of the punch is overcome, the punch can be continuously produced only by contacting the upper supporting plate during production, and the performance problem of the punch in the production process is effectively overcome; compared with the prior art, the method can effectively overcome displacement deviation in the guide post clearance range and improve the overall performance.
Embodiment two:
referring to fig. 1 to 2, a mold structure for continuously stamping an ultrathin workpiece according to a second embodiment of the invention is shown, and the following technical scheme is further provided as an improvement on the basis of the foregoing embodiment: the forming punch mechanism 12 includes a first forming punch 121 and a second forming punch 122, and the forming sub-mechanism 23 includes a first forming sub 231 and a second forming sub 232; the first forming punch 121 and the first forming insert 231 are press-fitted by chamfer faces, and the second forming punch 122 and the second forming insert 232 are press-fitted by horizontal faces. Through the improvement of the structure, the formed stamping fit can be realized, and the levelness adjustment of the stamping surface can be realized by utilizing the structural fit of the chamfer surface and the horizontal plane, so that the displacement deviation in the guide post clearance range is further overcome.
Embodiment III:
Referring to fig. 1 to 2, a mold structure for continuously stamping an ultrathin workpiece according to a third embodiment of the invention is shown, and the following technical solutions are further provided as improvements on the basis of the foregoing embodiments: the upper die holder 11 is also elastically connected with a first punch pin 15; the upper die plate 111 is also elastically connected with a second punch pin 16; the upper die plate 111 is also fixedly connected with a third punch pin 17. Through the improvement of the structure, the punch forming of the through hole can be realized.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. The utility model provides a mould structure for ultra-thin work piece continuous stamping, its characterized in that includes upper mould portion (1) and lower mould portion (2), upper mould portion (1) has upper die base (11), upper die base (11) are gone up fixedly connected with cope match-plate pattern (111), be connected with shaping punch mechanism (12) on cope match-plate pattern (111) are gone up fixedly, upper die base (11) are gone up elastic connection and are taken off flitch (13), take off flitch (13) are located cope match-plate pattern (111) are located down, shaping punch mechanism (12) pass take off flitch (13), lower mould portion (2) include die holder (21), die holder (21) are gone up fixedly installed lower bolster (22), install on lower bolster (22) with shaping punch mechanism (23) of shaping punch mechanism (12) punching press cooperation, be connected with body of rod (3) on cope match-plate pattern (11), body (3) are movably passed lower die base (21), body (3) are located lower die base (21) are located end (31) are located reset part (32) are located between upper die base (21), the forming punch mechanism (12) comprises a first forming punch (121) and a second forming punch (122), the forming insert mechanism (23) comprises a first forming insert (231) and a second forming insert (232), the first forming punch (121) and the first forming insert (231) are in punching fit through a chamfer surface, the second forming punch (122) and the second forming insert (232) are in punching fit through a horizontal surface, a guide pillar is fixed on the stripper plate (13), and the levelness adjustment of the punching surface is achieved by utilizing the structural fit of the chamfer surface and the horizontal surface, so that displacement deviation in the clearance range of the guide pillar is overcome.
2. A die structure for continuous stamping of ultra-thin workpieces according to claim 1, characterized in that the stop end (31) of the rod body (3) has a limited first fixing plate (33).
3. A die structure for continuous stamping of ultra thin workpieces as claimed in claim 1, wherein the return member (32) is a spring.
4. A die structure for continuous stamping of ultra-thin workpieces according to claim 1, characterized in that the rod body (3) is fixedly connected to the bottom surface of the upper die holder (11).
5. The die structure for continuously stamping ultrathin workpieces according to claim 4, wherein a second fixing plate (14) is fixedly connected to the bottom surface of the upper die holder (11), and the end part of the rod body (3) is fixedly connected with the second fixing plate (14).
6. A die structure for continuous stamping of ultra-thin workpieces according to claim 1, characterized in that the upper die holder (11) is also elastically connected with a first punch pin (15).
7. A die structure for continuous stamping of ultra-thin workpieces according to claim 1, characterized in that the upper die plate (111) is also elastically connected with a second punch pin (16).
8. The die structure for continuously stamping ultrathin workpieces according to claim 1, wherein a third punch pin (17) is fixedly connected to the upper die plate (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810692530.5A CN109092988B (en) | 2018-06-28 | 2018-06-28 | Die structure for continuously stamping ultrathin workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810692530.5A CN109092988B (en) | 2018-06-28 | 2018-06-28 | Die structure for continuously stamping ultrathin workpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109092988A CN109092988A (en) | 2018-12-28 |
| CN109092988B true CN109092988B (en) | 2024-05-03 |
Family
ID=64845373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810692530.5A Active CN109092988B (en) | 2018-06-28 | 2018-06-28 | Die structure for continuously stamping ultrathin workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109092988B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2463079Y (en) * | 2000-12-14 | 2001-12-05 | 林上村 | Die open and close limit guiding device |
| JP2007167944A (en) * | 2005-12-26 | 2007-07-05 | Toyo Tire & Rubber Co Ltd | Upper die of press die |
| CN104117576A (en) * | 2013-04-23 | 2014-10-29 | 扬州天健机械制造有限公司 | Damper piston finishing die |
| CN204503955U (en) * | 2015-01-05 | 2015-07-29 | 滁州凯旋模具制造有限公司 | A kind of automatic demoulding diel |
| CN204975025U (en) * | 2015-09-30 | 2016-01-20 | 河北裕龙铸造有限公司 | Sleeve one shot forming stamping die of hole as cydariform is used in casting |
| CN206898214U (en) * | 2017-07-01 | 2018-01-19 | 东莞市翔龙泰达实业有限公司 | A kind of ultra-thin materials punching die structure |
| CN209035278U (en) * | 2018-06-28 | 2019-06-28 | 亿和精密工业（苏州）有限公司 | A kind of mould structure for ultrathin workpieces continuous punching |
-
2018
- 2018-06-28 CN CN201810692530.5A patent/CN109092988B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2463079Y (en) * | 2000-12-14 | 2001-12-05 | 林上村 | Die open and close limit guiding device |
| JP2007167944A (en) * | 2005-12-26 | 2007-07-05 | Toyo Tire & Rubber Co Ltd | Upper die of press die |
| CN104117576A (en) * | 2013-04-23 | 2014-10-29 | 扬州天健机械制造有限公司 | Damper piston finishing die |
| CN204503955U (en) * | 2015-01-05 | 2015-07-29 | 滁州凯旋模具制造有限公司 | A kind of automatic demoulding diel |
| CN204975025U (en) * | 2015-09-30 | 2016-01-20 | 河北裕龙铸造有限公司 | Sleeve one shot forming stamping die of hole as cydariform is used in casting |
| CN206898214U (en) * | 2017-07-01 | 2018-01-19 | 东莞市翔龙泰达实业有限公司 | A kind of ultra-thin materials punching die structure |
| CN209035278U (en) * | 2018-06-28 | 2019-06-28 | 亿和精密工业（苏州）有限公司 | A kind of mould structure for ultrathin workpieces continuous punching |
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| Publication number | Publication date |
|---|---|
| CN109092988A (en) | 2018-12-28 |
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