CN219703231U - Continuous stamping die of secondary drawing - Google Patents
Continuous stamping die of secondary drawing Download PDFInfo
- Publication number
- CN219703231U CN219703231U CN202321091316.7U CN202321091316U CN219703231U CN 219703231 U CN219703231 U CN 219703231U CN 202321091316 U CN202321091316 U CN 202321091316U CN 219703231 U CN219703231 U CN 219703231U
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- CN
- China
- Prior art keywords
- die
- plate
- stripper plate
- fixedly connected
- die holder
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- 238000009966 trimming Methods 0.000 claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 10
- 238000007493 shaping process Methods 0.000 abstract description 5
- 239000002131 composite material Substances 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a secondary drawing continuous stamping die which comprises an upper die holder and a lower die holder, wherein an upper cushion block is fixedly connected to the top surface of the upper die holder, an upper supporting plate is fixedly connected to the top surface of the upper cushion block, an upper base plate is installed on the bottom surface of the upper die holder, an upper clamping block is fixedly connected to the bottom surface of the upper base plate, a stripper plate is movably connected to the bottom surface of the upper clamping block, and an upper forming assembly is arranged on the bottom surface of the stripper plate; the technical scheme is that a pre-stretching structure is added on the original method of composite trimming and drawing, and 5 pre-drawing, trimming, drawing and shaping processes are completed on the same step.
Description
Technical Field
The utility model relates to the field of manufacturing industry, in particular to a secondary drawing continuous stamping die.
Background
The stamping die is a common process in the modern manufacturing industry, a specific forming die is designed according to the shape of a product, and the blank is directly formed into the shape of the product after passing through a stamping die under the driving of an external driving part and a feeding part, so that the production efficiency of the product is greatly improved.
The traditional stamping die is provided with a trimming and drawing mode for stamping the product, and the purpose of stamping forming can be achieved, but most of dies are not provided with a pre-stretching structure, and the pre-drawing, trimming, drawing, shaping and chamfering processes can not be completed in the same working procedure, and part of the processes need to be reprocessed after the product is formed, so that the production cost is increased, and the processing time of the product is prolonged.
Disclosure of Invention
The utility model aims to provide a secondary drawing continuous stamping die, which solves the problems in the background technology, effectively solves the problem that when the drawing size of a product is high, the dimensional tolerance is difficult to guarantee, saves the manufacturing cost of the die and improves the production efficiency.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the secondary drawing continuous stamping die comprises an upper die holder and a lower die holder, wherein an upper cushion block is fixedly connected to the top surface of the upper die holder, an upper supporting plate is fixedly connected to the top surface of the upper cushion block, an upper base plate is installed on the bottom surface of the upper die holder, an upper clamping block is fixedly connected to the bottom surface of the upper base plate, a stripper plate is movably connected to the bottom surface of the upper clamping block, and an upper forming assembly is arranged on the bottom surface of the stripper plate;
the die comprises a die holder, a die plate, a lower forming assembly, an ejection assembly, a lower cushion block and a lower die plate.
Preferably, the upper molding assembly comprises a stripper plate insert, the stripper plate insert is fixedly arranged on the bottom surface of the stripper plate, a drawing female die is arranged on the inner side wall of the stripper plate insert, the inner side wall of the drawing female die is movably connected with an upper inner stripper plate, a plurality of guide pins are arranged on the inner side of the upper inner stripper plate, a plurality of ejector pins are arranged on the inner side of the upper inner stripper plate, and punching punches are arranged on the guide pins and the side edges of the ejector pins.
Preferably, the lower molding assembly comprises a lower stripper plate, the lower stripper plate is fixedly connected to the top surface of the lower template, a lower die trimming insert is arranged on the inner side of the lower stripper plate, a lower inner stripper plate is arranged on the inner side wall of the lower die trimming insert, a drawing punch is movably connected to the inner wall of the lower inner stripper plate, and a feeding frame is fixedly connected to the left side wall of the lower template;
the top surface of the lower template is symmetrically provided with a plurality of buoyancy lift dual-purpose pins, and workpiece materials are arranged between the buoyancy lift dual-purpose pins at two sides.
Preferably, the right side wall of the upper clamping block is fixedly connected with two scrap cutting punches, and two scrap cutting inserts are arranged on the top surface of the lower die plate close to the right side.
Preferably, the ejection assembly comprises an ejector rod, the ejector rod is movably connected to the bottom surface of the lower die holder, the top end of the ejector rod penetrates through the lower die holder and is connected with the lower inner stripper plate, the bottom end of the ejector rod is fixedly connected with a striking plate, and the bottom surface of the striking plate is fixedly connected with a plurality of nitrogen springs.
Preferably, the section of the drawing punch is in a step shape.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the technical scheme, a pre-stretching structure is added on the original composite trimming and drawing method, and 5 processes of pre-drawing, trimming, drawing and shaping and chamfering are completed on the same process step;
2. according to the technical scheme, the problem that when the drawing size of a product is high, the dimensional tolerance is difficult to guarantee is solved, the manufacturing cost of the die is saved, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of an open mold structure of the present utility model;
FIG. 2 is a schematic view of the structure of the closing film of the present utility model;
FIG. 3 is a schematic view of the structure of the upper molding assembly of the present utility model;
FIG. 4 is a schematic view of the structure of the lower molding assembly of the present utility model;
FIG. 5 is a schematic view showing the surface structure of the lower template according to the present utility model;
FIG. 6 is a schematic cross-sectional view of the present utility model;
FIG. 7 is a front view of a drawing punch of the present utility model;
FIG. 8 is a perspective view of a drawing punch of the present utility model;
fig. 9 is an enlarged view at a in fig. 6;
fig. 10 is an enlarged view at B in fig. 6.
In the figure: 1. an upper supporting plate; 2. an upper cushion block; 3. an upper die holder; 4. an upper backing plate; 5. an upper clamping block; 6. a stripper plate; 7. cutting a scrap punch; 8. a lower template; 9. a lower backing plate; 10. a lower die holder; 11. a lower cushion block; 12. an upper inner stripper plate; 13. drawing a female die; 14. removing the insert of the material plate; 15. a guide pin; 16. a liftout pin; 17. a feeding frame; 18. drawing a punch; 19. a lower inner stripper plate; 20. a lower die trimming insert; 21. a lower stripper plate; 22. cutting the scrap insert; 23. a dual-purpose pin for buoyancy lifting; 24. a workpiece material; 25. punching a punch; 26. a push rod; 27. a striking plate; 28. nitrogen spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 10, the present utility model provides a technical solution: the secondary drawing continuous stamping die comprises an upper die holder 3 and a lower die holder 10, wherein an upper cushion block 2 is fixedly connected to the top surface of the upper die holder 3, an upper supporting plate 1 is fixedly connected to the top surface of the upper cushion block 2, an upper base plate 4 is installed on the bottom surface of the upper die holder 3, an upper clamping block 5 is fixedly connected to the bottom surface of the upper base plate 4, a stripping plate 6 is movably connected to the bottom surface of the upper clamping block 5, and an upper forming assembly is arranged on the bottom surface of the stripping plate 6;
the technical scheme is that a pre-stretching structure is added on the original composite trimming and drawing method, and 5 pre-drawing, trimming, drawing and shaping processes are completed on the same process step.
Referring to fig. 1 and 3, the upper molding assembly comprises a stripper plate insert 14, the stripper plate insert 14 is fixedly mounted on the bottom surface of the stripper plate 6, a drawing die 13 is mounted on the inner side wall of the stripper plate insert 14, an upper inner stripper plate 12 is movably connected to the inner side wall of the drawing die 13, a plurality of guide pins 15 are arranged on the inner side of the upper inner stripper plate 12, a plurality of ejector pins 16 are arranged on the inner side of the upper inner stripper plate 12, and punching punches 25 are arranged on the sides of the guide pins 15 and the ejector pins 16.
Referring to fig. 1 and 4, the lower molding assembly comprises a lower stripper plate 21, wherein the lower stripper plate 21 is fixedly connected to the top surface of a lower template 8, a lower die-cutting edge insert 20 is arranged on the inner side of the lower stripper plate 21, a lower inner stripper plate 19 is arranged on the inner side wall of the lower die-cutting edge insert 20, a drawing punch 18 is movably connected to the inner wall of the lower inner stripper plate 19, and a feeding frame 17 is fixedly connected to the left side wall of the lower template 8;
a plurality of buoyancy lift dual-purpose pins 23 are symmetrically arranged on the top surface of the lower template 8, and a workpiece material 24 is arranged between the buoyancy lift dual-purpose pins 23 on two sides.
The right side wall of the upper clamping block 5 is fixedly connected with two scrap cutting punches 7, and two scrap cutting inserts 22 are arranged on the top surface of the lower die plate 8 close to the right side.
Referring to fig. 6 and 10, the ejector assembly comprises an ejector rod 26, the ejector rod 26 is movably connected to the bottom surface of the lower die holder 10, the top end of the ejector rod 26 penetrates through the lower die holder 10 and is connected with the lower inner stripper plate 19, a striking plate 27 is fixedly connected to the bottom end of the ejector rod 26, and a plurality of nitrogen springs 28 are fixedly connected to the bottom surface of the striking plate 27.
Referring to fig. 7 and 8, in this embodiment, the cross section of the drawing punch 18 is arranged in a stepped shape, and a groove is formed at the step of the drawing punch 18 to eject the product, thereby performing a chamfering and deburring function.
Working principle: when the technical scheme is used, a workpiece material 24 is led from an external feeder and is led into a die through a feeding frame 17, six lifting dual-purpose pins 23 are respectively used on two sides of the material in the die, a spring is arranged below the material to enable the material to move up and down, after a starting switch of the punch is pressed down, an upper slide block of the punch and a die fixed on the upper slide block move downwards under the action of the punch, when an upper die stripper plate 6 continues to move downwards to contact the workpiece material 24, the workpiece material 24 is pressed on a lower stripper plate 21, the punch continues to move downwards, a drawing punch 18 of an upper die drawing female die 13 and a lower die draws a product to a height, then the punch slide block continues to move downwards, and a circular sheet body is cut out on a material belt by the outer side of the upper die drawing female die 13 and a lower die cutting edge insert 20, so that the edge cutting process is completed;
the punch slide continues to move downwards, the outer side of the upper die drawing die 13 and the drawing punch 18 of the lower die draw the product into the shape of the final product, the drawing punch 18 is provided with a step which limits the flanging height of the product, when the punch slide reaches the lower top point, the die is in a closed state, the product plays a role in shaping under the acting force of the upper inner stripper plate 12 and the lower die drawing punch 18, when the punch slide exceeds the lower top point, the groove on the lower inner stripper plate 19 ejects the product and plays a role in chamfering and deburring to a certain extent, and finally the product is pushed to a discharge hole in the die to come out under the driving of the workpiece material 24, and simultaneously, the scrap is cut by the scrap cutting punch 7 and the scrap cutting insert 22.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a continuous stamping die of secondary drawing, includes upper die base (3) and die holder (10), its characterized in that: the upper die comprises an upper die holder (3), an upper cushion block (2) is fixedly connected to the top surface of the upper die holder (3), an upper supporting plate (1) is fixedly connected to the top surface of the upper cushion block (2), an upper base plate (4) is installed on the bottom surface of the upper die holder (3), an upper clamping block (5) is fixedly connected to the bottom surface of the upper base plate (4), a stripping plate (6) is movably connected to the bottom surface of the upper clamping block (5), and an upper forming assembly is arranged on the bottom surface of the stripping plate (6);
the die comprises a die holder (10), a lower base plate (9) is fixedly connected to the top surface of the die holder (10), a lower die plate (8) is connected to the top surface of the lower base plate (9), a lower forming assembly is arranged on the top surface of the lower die plate (8), an ejection assembly is arranged on the bottom surface of the die holder (10), and a lower cushion block (11) is fixedly connected to the bottom surface of the die holder (10).
2. The continuous stamping die for secondary drawing according to claim 1, wherein: the upper molding assembly comprises a stripper plate insert (14), the stripper plate insert (14) is fixedly mounted on the bottom surface of a stripper plate (6), a drawing female die (13) is mounted on the inner side wall of the stripper plate insert (14), an upper inner stripper plate (12) is movably connected to the inner side wall of the drawing female die (13), a plurality of guide pins (15) are arranged on the inner side of the upper inner stripper plate (12), a plurality of ejector pins (16) are arranged on the inner side of the upper inner stripper plate (12), and punching punches (25) are arranged on the sides of the guide pins (15) and the ejector pins (16).
3. The continuous stamping die for secondary drawing according to claim 1, wherein: the lower molding assembly comprises a lower stripper plate (21), the lower stripper plate (21) is fixedly connected to the top surface of a lower template (8), a lower die trimming insert (20) is arranged on the inner side of the lower stripper plate (21), a lower inner stripper plate (19) is arranged on the inner side wall of the lower die trimming insert (20), a drawing punch (18) is movably connected to the inner wall of the lower inner stripper plate (19), and a feeding frame (17) is fixedly connected to the left side wall of the lower template (8);
the top surface of the lower template (8) is symmetrically provided with a plurality of buoyancy lift dual-purpose pins (23), and workpiece materials (24) are arranged between the buoyancy lift dual-purpose pins (23) at two sides.
4. The continuous stamping die for secondary drawing according to claim 1, wherein: the right side wall of the upper clamping block (5) is fixedly connected with two scrap cutting punches (7), and two scrap cutting inserts (22) are arranged on the top surface of the lower die plate (8) close to the right side.
5. The continuous stamping die for secondary drawing according to claim 1, wherein: the ejector assembly comprises an ejector rod (26), the ejector rod (26) is movably connected to the bottom surface of the lower die holder (10), the top end of the ejector rod (26) penetrates through the lower die holder (10) and is connected with the lower inner stripper plate (19), the bottom end of the ejector rod (26) is fixedly connected with a striking plate (27), and the bottom surface of the striking plate (27) is fixedly connected with a plurality of nitrogen springs (28).
6. A secondary drawing continuous stamping die as defined in claim 3, wherein: the section of the drawing punch head (18) is arranged in a step shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321091316.7U CN219703231U (en) | 2023-05-09 | 2023-05-09 | Continuous stamping die of secondary drawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321091316.7U CN219703231U (en) | 2023-05-09 | 2023-05-09 | Continuous stamping die of secondary drawing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219703231U true CN219703231U (en) | 2023-09-19 |
Family
ID=87998135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321091316.7U Active CN219703231U (en) | 2023-05-09 | 2023-05-09 | Continuous stamping die of secondary drawing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219703231U (en) |
-
2023
- 2023-05-09 CN CN202321091316.7U patent/CN219703231U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |