CN112170644A - Double-acting side-pushing bending forming die - Google Patents
Double-acting side-pushing bending forming die Download PDFInfo
- Publication number
- CN112170644A CN112170644A CN202011156409.4A CN202011156409A CN112170644A CN 112170644 A CN112170644 A CN 112170644A CN 202011156409 A CN202011156409 A CN 202011156409A CN 112170644 A CN112170644 A CN 112170644A
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- 238000005452 bending Methods 0.000 title claims abstract description 21
- 238000003825 pressing Methods 0.000 claims description 13
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 238000010924 continuous production Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000000750 progressive effect Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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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
- B21D37/08—Dies with different parts for several steps in a process
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/10—Combined ejecting and stripping-off devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
A double-acting side-pushing bending forming die is characterized in that an upper base plate, an upper clamping plate, a stop plate and a stripper plate are sequentially arranged below an upper die holder; a lower template and a lower backing plate are sequentially arranged above the upper die holder; an inner guide pillar is arranged in the upper clamp plate, the upper clamp plate and the upper backing plate are fixed on the upper die holder together, the upper die holder and the upper clamp plate slide up and down along the inner guide pillar together, and the inner guide pillar penetrates through the stripper plate and the lower die plate to provide guidance for the die; a first punch and a second punch which penetrate through the stripper plate and enter the lower template are arranged in the upper clamping plate, and the forming block and the side pushing block are driven to move, so that side pushing forming is realized; and when the first punch and the second punch move upwards, the forming block and the side push block reset under the elastic action of the return spring. The invention achieves the following beneficial effects: the double-acting side-pushing bending forming die can solve the process difficulty of side-pushing bending edge covering, can normally and automatically return materials, and ensures continuous production.
Description
Technical Field
The invention relates to the field of part processing, in particular to a double-acting side-pushing bending forming die.
Background
As shown in fig. 1-4, in the processing of parts with complex shapes, because the number of forming processes is large, if the engineering mold is used for production, more personnel and machines are required, the production cost is too high, the number of processes is large, the production efficiency is low, and the normal production requirements cannot be met.
For this, a progressive die continuous stamping production may be employed to meet the production requirements, and the part process analysis as shown in fig. 1-4 determines the use of the process shown in the following partial process flow strip of the progressive die of fig. 5; the process has the difficulty that the die structure for laterally pushing and bending the edge covering needs to realize the edge covering forming and also needs to normally and automatically return materials, so that the continuous production is ensured.
Disclosure of Invention
In order to solve the technical difficulty of side-pushing bending edge covering, a double-acting side-pushing bending forming die is provided, and automatic material returning of parts is realized by changing the movement sequence of a lower die forming block and a side pushing block when an upper die descends and the clearance between the forming block and the side pushing block to enable the material to rebound after forming.
A double-acting side-pushing bending forming die comprises an upper die base and a lower die base;
an upper base plate, an upper clamping plate, a stop plate and a stripper plate are sequentially connected and mounted below the upper die holder from top to bottom;
a lower template and a lower backing plate are sequentially connected and mounted above the upper die holder from top to bottom;
an inner guide pillar is arranged in the upper clamp plate, the upper clamp plate and the upper backing plate are fixed on the upper die holder together, the upper die holder and the upper clamp plate slide up and down along the inner guide pillar together, and the inner guide pillar penetrates through the stripper plate and the lower die plate to provide guidance for the die;
a first punch and a second punch are arranged in the upper clamping plate, penetrate through the stripper plate and enter the lower die plate, and drive the forming block and the side pushing block to move, so that side pushing forming is realized;
and when the first punch and the second punch go upwards, the forming block and the side push block reset under the elastic action of the first reset spring and the second reset spring.
Further, the stripper plate and the stop plate are hung on the upper clamping plate together through the equal-height sleeve.
Furthermore, a stripping plate inlet block is arranged in the stripping plate and is profiled with the part for pressing.
Furthermore, a spring is arranged in the stop plate, penetrates through the upper clamping plate and the upper base plate to prop against the upper die base, and plays a role in buffering between the upper clamping plate and the stop plate.
Furthermore, a left slider base and a right slider base are arranged in the lower die base, and the forming block and the side pushing block slide along the left slider base and the right slider base under the pushing of the first punch and the second punch.
Furthermore, a left pressing plate and a right pressing plate are respectively arranged on the left sliding block base and the right sliding block base, and the left pressing plate and the right pressing plate limit the moving directions of the forming block and the side pushing block.
Furthermore, the spring stop block, the left slider base and the right slider base are fixed in the lower die base together.
Furthermore, a limiting column is arranged between the upper die base and the lower die base, the limiting column limits the descending position of the upper die base, and the parts and the die are prevented from being damaged due to overpressure.
The invention achieves the following beneficial effects: the double-acting side-pushing bending forming die can solve the process difficulty of side-pushing bending edge covering, can normally and automatically return materials, and ensures continuous production.
Drawings
Fig. 1 is a schematic front view of a part structure in the background art.
FIG. 2 is a schematic top view of a prior art component structure.
Fig. 3 is a schematic side view of a part structure in the background art.
Fig. 4 is a perspective view of a part structure in the background art.
FIG. 5 is a material band diagram of a partial process flow of a progressive die in the background art.
Fig. 6 is a schematic structural view of a mold in an embodiment of the present invention.
FIG. 7 is a schematic cross-sectional view of a left slider base structure of the mold in an embodiment of the invention.
FIG. 8 is a schematic cross-sectional view of a right slider base structure of the mold in an embodiment of the invention.
Fig. 9 is a first operation diagram of the mold in the embodiment of the present invention.
Fig. 10 is a second operation diagram of the mold in the embodiment of the present invention.
Fig. 11 is a diagram illustrating a simulation of the rebound after the forming of the component according to the embodiment of the present invention.
Wherein: 1-an upper die holder, 2-an upper backing plate, 3-an upper clamping plate, 4-a stop plate, 5-a first punch, 6-a stripper plate, 7-a limiting column, 8-a lower die plate, 9-a lower backing plate, 10-a left slider base, 11-a lower die base, 12-a first return spring, 13-a forming block, 14-a spring stop, 15-a first return spring, 16-a side push block, 17-a right slider base, 18-a spring, 19-an inner guide column, 20-a second punch, 21-a stripper insert, 22-a left press plate, 23-a part, 24-an equal-height sleeve and 25-a right press plate.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the drawings in the specification.
As shown in fig. 6-11, a double-acting side-pushing bending mold structure includes an upper mold base 1, an upper backing plate 2, an upper clamp plate 3, a stop plate 4, a stripper plate 6, a lower mold plate 8, a lower backing plate 9 and a lower mold base 11, which are sequentially connected from top to bottom; an inner guide pillar 19 is arranged in the upper clamp plate 3, the upper clamp plate 3 and the upper backing plate 2 are fixed on the upper die holder 1 together, the upper die holder 1 and the upper clamp plate 3 slide up and down along the inner guide pillar 19, the inner guide pillar 19 penetrates through the stripper plate 6 and the lower die plate 8 to provide guidance for the die, a punch 5 and a punch 20 are further arranged in the upper clamp plate 3, the punch 5 and the punch 20 penetrate through the stripper plate 6 and enter the lower die plate 8 to drive the forming block 13 and the side push block 16 to move, and therefore side push forming is achieved; a stop plate 4 is fixed above the stripper plate 6 and is suspended on the upper clamping plate 3 together with the stripper plate through an equal-height sleeve 24, a stripper plate inlet block 21 is arranged in the stripper plate 6, and the stripper plate inlet block 21 is profiled with a part 23 and used for material pressing; the stop plate 4 is provided with a spring 18, the spring 18 props against the upper die holder 1 through the upper clamp plate 3 and the upper backing plate 2, and the spring 18 plays a role in buffering between the upper clamp plate 3 and the stop plate 4; a lower template 8 is arranged below the stripper plate 6, the lower template 8 and a lower backing plate 9 are fixed on a lower die base 11 together, a left slider base 10 and a right slider base 17 are arranged in the lower die base 11, a left pressing plate 22 and a right pressing plate 25 are arranged on the left slider base 10 and the right slider base 17, and the left pressing plate 22 and the right pressing plate 25 mainly limit the moving directions of the forming block 13 and the side push block 16; the forming block 13 and the side push block 16 slide along the left slider base 10 and the right slider base 17 under the pushing of the first punch 5 and the second punch 20, a first return spring 12 and a second return spring 15 are arranged in the forming block 13 and the side push block 16, the first return spring 12 and the second return spring 15 prop against the spring stopper 14, when the first punch 5 and the second punch 20 move upwards, the forming block 13 and the side push block 16 return under the elastic force action of the first return spring 12 and the second return spring 15, and the spring stopper 14 and the left slider base 10 and the right slider base 17 are fixed in the lower die holder 11 together; a limiting column 7 is further arranged between the upper die holder 1 and the lower die holder 11, and the limiting column 7 limits the downward movement position of the upper die holder 1 to prevent the die damage of parts caused by overpressure.
In addition, the screws in several positions in the drawings are only one limitation of the fixing mode, so that the structure of the die is only better understood by an examiner, the fixing mode is not limited to only the screws, and other structures capable of realizing the fixing function can be adopted.
The use process of the structure is as follows:
1: the part 23 is positioned on the lower die plate 8 by means of positioning holes in the tape of fig. 2 (the positioning means are omitted in fig. 3).
2: the upper die holder 1 descends under the guidance of the inner guide post 19 until the stripper plate 6 contacts the lower die plate 8, and at the moment, the stripper plate insert 21 is completely attached to the part 23.
3: the upper die holder 1 continues to descend, the spring 18 is compressed at the moment, the first punch 5 firstly contacts the inclined surface of the forming block 13 and drives the forming block 13 to move in the left slider base 10, the return spring 12 is compressed at the same time, when the first punch 5 reaches the vertical surface of the forming block 13, the forming block 13 reaches a preset position and clamps the part 23 together with the plate-removing inlet block 21, the first punch 5 does not have lateral force to drive the forming block 13 at the moment, and the forming block 13 is kept still.
4: the upper die holder 1 continues to descend until the second punch 20 contacts the inclined surface of the side push block 16 and drives the same to move in the right slider base 17 and compress the return spring 15.
5: and the upper die base 1 continues to move downwards until the side push block 16 is driven by the second punch 20 to contact with the part 23 and make the part shaped and attached to the shaped block 13, the second punch 20 and the side push block 13 always ensure the inclined plane contact, and at the moment, the upper die base 1 moves downwards to a bottom dead center and contacts with the limiting column 7, so that the side push shaping is completed.
6: after the side push forming is completed, the upper die base 1 moves upwards together with the first punch 5 and the second punch 20, the stripper plate 6, the stop plate 4 and the stripper plate insert block 21 are kept immovable under the action of the spring 18, the first punch 5 and the second punch 20 move upwards together with the upper die base 1 simultaneously, and the first punch 5 is in vertical surface contact with the forming block 13, so that the forming block 13 keeps immovable when the first punch 5 moves upwards, the second punch 20 is in inclined surface contact with the side push block 16, the side push block 16 resets under the action of the reset spring 15 when the first punch 5 moves upwards, and the second punch 20 is separated from the side push block 16, and the side push block 16 resets and completes.
7: when the upper die holder 1 continues to move upwards until the first punch 5 contacts with the inclined plane of the forming block 13, the forming block 13 resets under the action of the first return spring 12, and the part 23 formed by side pushing has certain rebound after material forming, so that the part cannot be completely attached to the forming block 13 (see the detailed drawing 11), the forming block 13 can be normally separated from the part 23, and the forming block 13 is reset and separated from the part when the first punch 5 is separated from the forming block 13.
8: the upper die holder 1 continues to move upwards, the stripper plate 6 moves upwards together to be separated from the lower die plate 8 under the drive of the equal-height sleeve 24, the stripper plate inlet block 21 simultaneously separates from the part 23, and the side-push forming and automatic material returning of the part 23 are completed.
The die structure is feasible through practice, continuous normal production of the progressive die of the parts shown in figures 1-4 is realized, the production efficiency is greatly improved, and the production cost is reduced.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiment, but equivalent modifications or changes made by those skilled in the art according to the present disclosure should be included in the scope of the present invention as set forth in the appended claims.
Claims (8)
1. The utility model provides a double acting side pushes away fashioned mould of bending, includes upper die base and die holder, its characterized in that:
an upper base plate, an upper clamping plate, a stop plate and a stripper plate are sequentially connected and mounted below the upper die holder from top to bottom;
a lower template and a lower backing plate are sequentially connected and mounted above the upper die holder from top to bottom;
an inner guide pillar is arranged in the upper clamp plate, the upper clamp plate and the upper backing plate are fixed on the upper die holder together, the upper die holder and the upper clamp plate slide up and down along the inner guide pillar together, and the inner guide pillar penetrates through the stripper plate and the lower die plate to provide guidance for the die;
a first punch and a second punch are arranged in the upper clamping plate, penetrate through the stripper plate and enter the lower die plate, and drive the forming block and the side pushing block to move, so that side pushing forming is realized;
and when the first punch and the second punch go upwards, the forming block and the side push block reset under the elastic action of the first reset spring and the second reset spring.
2. The double-acting side-pushing bending forming die as claimed in claim 1, wherein: the stripper plate and the stop plate are hung on the upper clamping plate together through the equal-height sleeve.
3. The double-acting side-pushing bending forming die as claimed in claim 1, wherein: the stripper plate is internally provided with a stripper plate inlet block which is profiled with the part and used for pressing the material.
4. The double-acting side-pushing bending forming die as claimed in claim 1, wherein: the spring is arranged in the stop plate, penetrates through the upper clamping plate and the upper base plate to prop against the upper die base, and plays a role in buffering between the upper clamping plate and the stop plate.
5. The double-acting side-pushing bending forming die as claimed in claim 1, wherein: a left slider base and a right slider base are arranged in the lower die base, and the forming block and the side pushing block slide along the left slider base and the right slider base under the pushing of the first punch and the second punch.
6. The double-acting side-pushing bending forming die as claimed in claim 5, wherein: and a left pressing plate and a right pressing plate are respectively arranged on the left slider base and the right slider base, and limit the moving directions of the forming block and the side pushing block.
7. The double-acting side-pushing bending forming die as claimed in claim 1, wherein: the spring stop block is fixed in the lower die holder together with the left slider base and the right slider base.
8. The double-acting side-pushing bending forming die as claimed in claim 1, wherein: a limiting column is arranged between the upper die base and the lower die base, and limits the descending position of the upper die base to prevent parts and dies from being damaged due to overpressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011156409.4A CN112170644A (en) | 2020-10-26 | 2020-10-26 | Double-acting side-pushing bending forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011156409.4A CN112170644A (en) | 2020-10-26 | 2020-10-26 | Double-acting side-pushing bending forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112170644A true CN112170644A (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011156409.4A Pending CN112170644A (en) | 2020-10-26 | 2020-10-26 | Double-acting side-pushing bending forming die |
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| Country | Link |
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| CN (1) | CN112170644A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351760A (en) * | 2021-06-15 | 2021-09-07 | 深圳市创益通技术股份有限公司 | 90-degree one-station forming die and process for product structure blocking bending punch movement space |
| CN114618948A (en) * | 2022-03-25 | 2022-06-14 | 富泰华工业（深圳）有限公司 | Molding device and bending molding method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08168825A (en) * | 1994-12-15 | 1996-07-02 | Honda Motor Co Ltd | Bending die device |
| CN202367078U (en) * | 2011-12-31 | 2012-08-08 | 昆山圣泰机电制造有限公司 | Bending mould of double-stroke side-push sliding mechanism |
| CN202570989U (en) * | 2012-02-28 | 2012-12-05 | 安徽江威精密制造有限公司 | Brazing sheet punching die |
| CN203737842U (en) * | 2014-03-06 | 2014-07-30 | 浙江天越汽车制动系统有限公司 | Progressive die of brake leaf spring |
| CN106890896A (en) * | 2017-03-03 | 2017-06-27 | 深圳亿和模具制造有限公司 | A kind of stamping mold with bidirectional slider molding structure in mould |
| CN206527228U (en) * | 2017-02-24 | 2017-09-29 | 深圳市梦之坊通信产品有限公司 | Double teeth draw sliding stamping die |
| CN107774792A (en) * | 2016-08-30 | 2018-03-09 | 天津世亚模具有限公司 | Progressive die double-acting side pushes away punch mechanism |
| CN209969359U (en) * | 2019-03-13 | 2020-01-21 | 宁波骏腾模具科技有限公司 | Dual-drive one-step forming edge folding die structure |
| CN213495969U (en) * | 2020-10-26 | 2021-06-22 | 安徽新悦精密机械有限公司 | Double-acting side-pushing bending forming die |
-
2020
- 2020-10-26 CN CN202011156409.4A patent/CN112170644A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08168825A (en) * | 1994-12-15 | 1996-07-02 | Honda Motor Co Ltd | Bending die device |
| CN202367078U (en) * | 2011-12-31 | 2012-08-08 | 昆山圣泰机电制造有限公司 | Bending mould of double-stroke side-push sliding mechanism |
| CN202570989U (en) * | 2012-02-28 | 2012-12-05 | 安徽江威精密制造有限公司 | Brazing sheet punching die |
| CN203737842U (en) * | 2014-03-06 | 2014-07-30 | 浙江天越汽车制动系统有限公司 | Progressive die of brake leaf spring |
| CN107774792A (en) * | 2016-08-30 | 2018-03-09 | 天津世亚模具有限公司 | Progressive die double-acting side pushes away punch mechanism |
| CN206527228U (en) * | 2017-02-24 | 2017-09-29 | 深圳市梦之坊通信产品有限公司 | Double teeth draw sliding stamping die |
| CN106890896A (en) * | 2017-03-03 | 2017-06-27 | 深圳亿和模具制造有限公司 | A kind of stamping mold with bidirectional slider molding structure in mould |
| CN209969359U (en) * | 2019-03-13 | 2020-01-21 | 宁波骏腾模具科技有限公司 | Dual-drive one-step forming edge folding die structure |
| CN213495969U (en) * | 2020-10-26 | 2021-06-22 | 安徽新悦精密机械有限公司 | Double-acting side-pushing bending forming die |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351760A (en) * | 2021-06-15 | 2021-09-07 | 深圳市创益通技术股份有限公司 | 90-degree one-station forming die and process for product structure blocking bending punch movement space |
| CN114618948A (en) * | 2022-03-25 | 2022-06-14 | 富泰华工业（深圳）有限公司 | Molding device and bending molding method |
| CN114618948B (en) * | 2022-03-25 | 2023-10-20 | 富泰华工业（深圳）有限公司 | Forming device and bending forming method |
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