CN217412111U - High-precision pressing sheet stamping die - Google Patents
High-precision pressing sheet stamping die Download PDFInfo
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- CN217412111U CN217412111U CN202220784443.4U CN202220784443U CN217412111U CN 217412111 U CN217412111 U CN 217412111U CN 202220784443 U CN202220784443 U CN 202220784443U CN 217412111 U CN217412111 U CN 217412111U
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Abstract
The application discloses high accuracy preforming stamping die, set up protruding structure through punching a hole at the lower bolster, treat stamping material when punching position is by the blanking, erect by protruding structure earlier, form separation blank pressing power, the blanking in-process has been prevented, the stamping material of non-shearing zone is flexible toward the flow in the shearing zone, the crooked and tensile deformation of avoiding stamping material to cut, when effectively having solved and set up great clearance, the warpage phenomenon of material, product quality has been improved, set up the shearing part at the cope match-plate pattern simultaneously, set up the cooperation portion on the lower bolster, the technology waste material is directly cut by shearing part and cooperation portion when the preforming material area is punched press, need not to set up the cutter alone, enterprise manufacturing cost has been saved.
Description
Technical Field
The application belongs to the technical field of material processing, especially, relate to a high accuracy preforming stamping die.
Background
At present, a large-scale motor iron core punching sheet at home and abroad is mainly made of 0.5 mm or 0.35mm thin electrical silicon steel sheets, the punching process of the punching sheet can be divided into three stages, dies are pressed in, sheared and broken, materials are broken, not only shear deformation but also deformation such as compression, stretching, bending and the like are generated in the sheet blanking process, the influence of various factors is comprehensively considered in production according to the specific requirements of parts, a proper size clearance range of a male die and a female die is selected as a reasonable clearance, if the clearance is smaller, although the punching quality is better, the abrasion of the dies is more serious, the service life of the dies is greatly reduced, the breakage of a punching head is easily caused, in order to improve the service life of the dies and reduce the punching force, so that greater economic benefit is obtained, a larger clearance value can be selected, but the produced punching sheet can generate buckling deformation due to the stretching of the materials in an uncut area, the deformation of the sheet surface of the motor punching sheet has great influence on the performance of the motor, so that the requirement of customers on the precision of the punching sheet surface is higher and higher, and the deformation of the punching sheet surface enables gaps to be formed between iron chips after lamination pressing, so that the noise and temperature rise of the motor are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high accuracy preforming stamping die to solve at least one among the above-mentioned technical problem. To setting up the mould in great clearance for protection mould life, through set up protruding structure on the punching a hole of lower bolster, treat stamping material when the position of punching a hole is blanked, erect by protruding structure earlier, form separation blank holder power, prevented the blanking in-process, the stamping material of non-shearing district is flexible toward the flow in the shearing district, the bending and the tensile deformation of avoiding stamping material shearing, when effectively having solved and having set up great clearance, the warpage phenomenon of material has improved product quality.
In order to achieve the above object, the present invention adopts the following technical solutions: a high precision tablet press die comprising: the stamping die comprises an upper die plate and a lower die plate, wherein the upper die plate is provided with a punch, the lower die plate is provided with a punched hole, the punch presses the punched hole to complete blanking, the punched hole is provided with a protruding structure, and the protruding structure surrounds the punched hole.
Above-mentioned structure, through set up protruding structure on the punching a hole of lower bolster, treat stamping material when punching a hole the position by the blanking, erect by protruding structure earlier, form separation blank holder power, prevented the blanking in-process, the stamping material in non-shear zone stretches out and draws back toward the flow in the shear zone, avoids the crooked and tensile deformation that stamping material sheared, when effectively having solved punching press die and terrace die and setting up great clearance, stamping material's warpage phenomenon has improved product quality.
Further, the height of the convex structure is 0.15 mm.
The height of the raised structure is set to be 0.15mm corresponding to the produced steel sheet material with the thickness of 0.35mm, the shearing effect is optimal, the flatness of the stamped steel sheet material is higher, and fine lines cannot appear.
Further, the shape of the convex structure is step-shaped.
For thinner materials, the raised structure arranged in the step shape can not cause the material to be broken when being pressed.
Furthermore, the upper template is provided with a shearing part, the lower template is provided with a matching part, and the process waste is sheared and cut off through the matching of the shearing part and the matching part.
The shearing part is arranged on the upper template, the matching part is arranged on the lower template, and after the tabletting material belt is punched, the process waste is directly sheared by the shearing part and the matching part in the moving process, a cutting machine does not need to be arranged independently, and the production cost of an enterprise is saved.
Furthermore, the upper die plate comprises an upper die base, an upper padding plate, an upper clamping plate and a stripper plate in sequence, the upper clamping plate is used for fixing the punch, the upper clamping plate and the stripper plate are provided with a shearing part, and the shearing part is arranged in the shearing part.
Set up the shearing part in punch holder and stripper plate, the shearing part sets up in the shearing part, and the shearing part sets up in punch holder and one side of stripper plate, when the preforming material area was carried by material feeding unit, carries out the operation of punching press and shearing waste material simultaneously, has improved production and has tailor efficiency, and the upper padding plate plays and prevents drift and shearing part and go up heavy effect, and structural design is more reasonable.
Furthermore, the shearing piece is a shearing block, and the shearing block is provided with a shearing inclined surface.
The shearing piece is the shear block, has effectively reduced the cost, sets up the shearing inclined plane on the face of shear block and preforming material area contact, when cuting, the lower one side on shearing inclined plane contacts the preforming material area earlier, then pushes down the in-process gradually at the shear block, and higher face also contacts the preforming material area, makes the nodical constantly removal in shearing inclined plane and preforming material area to can be fast laborsaving cut off the preforming material area.
Further, the shear ramp has an inclination angle in the range of 30 ° to 60 °.
The inclination angle scope is better at 30 to 60 shearing effect, and the material area is difficult for taking place the skew.
Furthermore, the lower template is also provided with floating material guide devices which are arranged on two sides of the pressing sheet and used for limiting the movement deviation of the pressing sheet and enabling the pressing sheet to float and move.
Set up the flotation material guider at the lower bolster, when material feeding unit carried the preforming material area, can restrict the removal in preforming material area and appear walking partially, solved simultaneously to protruding structure obstruct the problem that the preforming material area removed, when cope match-plate pattern and lower bolster are separately, flotation material guider made the preforming material area rise the back and removed.
Furthermore, the floating material guiding device is a floating material guiding pin.
The floating material guide pin can play a role in limiting and guiding, and can also enable the tabletting material belt to float and move, so that the cost is effectively reduced.
The structure has the following beneficial effects:
1. through set up protruding structure on the punching a hole of lower bolster, treat stamping material when punching a hole the position by the blanking, erect by protruding structure earlier, form separation blank holder power, prevented the blanking in-process, the stamping material of non-shear zone stretches out and draws back toward the flow in the shear zone, avoids the crooked and tensile deformation that stamping material was cuted, when effectively having solved punching press die and terrace die and having set up great clearance, stamping material's warpage phenomenon has improved product quality.
2. The upper die plate is provided with the shearing part, the lower die plate is provided with the matching part, and after the tabletting material belt is punched, the process waste is directly sheared by the shearing part and the matching part in the moving process, so that a cutting machine does not need to be independently arranged, and the production cost of an enterprise is saved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the application and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of an exemplary embodiment of the present invention;
FIG. 2 is a cross-sectional view of an exemplary embodiment of the present invention;
fig. 3 is a schematic structural diagram of the lower template of the present invention;
fig. 4 is a schematic structural diagram of another view angle of the lower template of the present invention;
fig. 5 is a schematic bottom view of an exemplary embodiment of the present invention;
FIG. 6 is a schematic structural view of the shearing module of the present invention;
description of reference numerals:
10. mounting a template; 11. a lower template; 101. a punch; 111. punching; 112. a raised structure; 102. a cutting member; 12. an upper die holder; 13. a base plate is arranged; 14. an upper splint; 15. a material removing plate; 16. a fitting portion; 17. a shearing section; 19; an inclination angle; 2. a float guide device; 3. and (6) tabletting.
Detailed Description
In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.
It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; either directly or indirectly through intervening media, either internally or in any other relationship. However, the direct connection means that the two bodies are not connected to each other by the intermediate structure but connected to each other by the connecting structure to form a whole. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The description in this application as relating to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
As shown in fig. 1-6, the utility model provides a high accuracy preforming stamping die, include: the stamping die comprises an upper die plate 10 and a lower die plate 11, wherein the upper die plate 10 is provided with a punch 101, the lower die plate 11 is provided with a punched hole 111, the punch 101 presses the punched hole 111 to complete blanking, a protruding structure 112 is arranged on the punched hole 111, and the protruding structure 112 surrounds the punched hole 111.
Above-mentioned structure, through set up protruding structure 112 on the 111 that punches a hole at lower die plate 11, treat stamping material when the 111 positions that punch a hole are blanked, erect by protruding structure 112 earlier, form separation blank holder power, the blanking in-process has been prevented, the stamping material in non-shearing zone stretches out and draws back toward the flow in the shearing zone, the bending and the tensile deformation of avoiding stamping material to cut, when effectively having solved punching press die and terrace die and setting up great clearance, stamping material's warpage phenomenon has improved product quality.
As a preferred embodiment of the present application, the height of the raised structures 112 is 0.15 mm.
Corresponding 0.35 mm's of the steel sheet material of production thickness, protruding structure 112 height sets up to 0.15mm, and the shearing effect is best, and the roughness is higher after the material punching press, can not appear the fine line.
As a preferred embodiment of the present application, the raised structure 112 is stepped in shape.
For thinner materials, the stepped raised structures 112 do not cause the material to snap when pressed.
As a preferred embodiment of the present application, the upper mold plate 10 is provided with a shearing part 102, the lower mold plate 11 is provided with a matching part 16, and the process waste is sheared by the shearing part 102 and the matching part 16.
The upper die plate 10 is provided with the shearing part 102, the lower die plate 11 is provided with the matching part 16, and after the tabletting material belt is punched, the process waste is directly sheared by the shearing part 102 and the matching part 16 in the moving process without independently arranging a cutting machine, so that the production cost of enterprises is saved.
As a preferred example of the present embodiment, the upper die plate 10 includes an upper die holder 12, an upper pad 13, an upper clamp 14, and a stripper plate 15 in this order, the upper clamp 14 is used to fix the punch 101, the upper clamp 14 and the stripper plate 15 are provided with a shearing portion 17, and the shearing member 102 is provided in the shearing portion 17.
Set up shearing part 17 in punch plate 14 and the flitch 15 of taking off, shearing part 102 sets up in shearing part 17, adopts the mounting means the same with drift 101, and shearing part 17 sets up in one side of punch plate 14 and the flitch 15 of taking off, when the preforming material area was carried by material feeding unit, carries out the operation of punching press and shearing waste material simultaneously, has improved production and has tailor efficiency, and upper padding plate 13 plays the effect that prevents drift 101 and shearing part 102 and go up heavy, and structural design is more reasonable.
As a preferred embodiment of the present embodiment, the cutting member 102 is a cutting block, and the cutting block is provided with a cutting inclined surface 18.
Shearing piece 102 is the clipper, and the cost is effectively reduced sets up the shearing inclined plane on the face of clipper and preforming material area contact, when cuting, cuts the lower one side of inclined plane 18 and contacts the preforming material area earlier, then pushes down the in-process gradually at the clipper, and higher face also contacts the preforming material area, makes the nodical continuous movement in shearing inclined plane 18 and preforming material area to can be fast laborsaving cut off the preforming material area.
Further, the shear ramp 18 presents an angle of inclination 19 in the range of 30 ° to 60 °.
The inclination angle scope is better at 30 to 60 shearing effect, and the material area is difficult for taking place the skew, is cut off by the shearing more easily.
As a preferred embodiment of the present application, the lower die plate 11 is further provided with the float guide 2, and the float guide 2 is disposed on both sides of the pellet 3 for restricting the displacement deviation of the pellet 3 and floating the pellet 3.
The floating material guide device 2 is arranged on the lower template 11, so that when the feeding device conveys the tabletting material belt, the movement of the tabletting material belt can be limited to be deviated, the problem that the protrusion structure 112 hinders the movement of the tabletting material belt is solved, and when the upper template 10 is separated from the lower template 11, the floating material guide device 2 enables the tabletting material belt to move after rising.
Further, the floating material guiding device 2 is a floating material guiding pin.
The floating guide pin can play a role in limiting and guiding, and can also enable the tabletting material belt to float and move, so that the cost is effectively reduced.
The utility model can be realized by adopting or using the prior art for reference in places which are not mentioned in the utility model.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. A high accuracy preforming stamping die which characterized in that includes:
the stamping die comprises an upper die plate and a lower die plate, wherein the upper die plate is provided with a punch, the lower die plate is provided with a punched hole, the punch presses the punched hole to complete blanking, the punched hole is provided with a protruding structure, and the protruding structure surrounds the punched hole.
2. A high precision tablet press die as claimed in claim 1 wherein the height of the raised formations is 0.15 mm.
3. A high precision tablet press die as claimed in claim 1 wherein the raised formations are stepped in shape.
4. A high precision tabletting press mold according to claim 1, wherein the upper mold plate is provided with a shearing member, the lower mold plate is provided with an engaging portion, and process waste is sheared by the shearing member and the engaging portion.
5. A high precision tabletting press mold according to claim 4, wherein the upper die plate comprises an upper die base, an upper backing plate, an upper clamping plate and a stripper plate in sequence, the upper clamping plate is used for fixing the punch, the upper clamping plate and the stripper plate are provided with a shearing part, and the shearing part is arranged in the shearing part.
6. A high precision tabletting press mold according to claim 5 wherein the shear member is a shear block, the shear block being provided with a shear ramp.
7. A high precision tablet press die as claimed in claim 6 wherein the shear ramp is at an angle of inclination in the range of 30 ° to 60 °.
8. A high precision tabletting press mold according to claim 1, wherein the lower mold plate is further provided with float guides disposed on both sides of the tabletting sheet for limiting the displacement of the tabletting sheet and allowing the tabletting sheet to float.
9. A high precision tabletting stamping die according to claim 8 wherein the float guide means is a float guide pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220784443.4U CN217412111U (en) | 2022-04-02 | 2022-04-02 | High-precision pressing sheet stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220784443.4U CN217412111U (en) | 2022-04-02 | 2022-04-02 | High-precision pressing sheet stamping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217412111U true CN217412111U (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220784443.4U Active CN217412111U (en) | 2022-04-02 | 2022-04-02 | High-precision pressing sheet stamping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217412111U (en) |
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2022
- 2022-04-02 CN CN202220784443.4U patent/CN217412111U/en active Active
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