CN216095962U

CN216095962U - Stamping die and stamping lower die

Info

Publication number: CN216095962U
Application number: CN202122337766.7U
Authority: CN
Inventors: 苏冬才; 杨言红
Original assignee: Foshan Zhiqiang Photoelectric Co ltd
Current assignee: Foshan Zhiqiang Photoelectric Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-03-22
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a stamping die, which belongs to the field of stamping equipment and comprises a forming punch and a lower stamping die, wherein the forming punch comprises a stamping part, the lower stamping die comprises a main body, the main body is provided with a groove, the shape of the groove corresponds to the shape of the stamping part, the lower stamping die also comprises a stress punch, the stress punch is arranged on the main body and positioned at the edge of the groove, the stress punch comprises a bulge, the bulge extends out of the main body, and during stamping, the bulge extrudes the root of a convex hull in the process of forming the convex hull of a product, so that the generation of stress is blocked and eliminated, and the product is not twisted and deformed.

Description

Stamping die and stamping lower die

Technical Field

The utility model relates to a stamping device, in particular to a stamping die.

Background

The stamping is a method for forming the plate by utilizing stamping machine equipment and a special connecting die through an instant strong high-pressure processing process according to the cold extrusion deformation of the material of the plate.

When a convex hull needs to be punched out of a product, the existing punching die is characterized in that a groove is formed in a lower punching die according to the shape of the convex hull, the product is placed on the lower punching die, and a forming punch performs punching, but the product punched by the punching die has stress which cannot be eliminated, so that the product is twisted and deformed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a stamping die without stress on a product.

In order to overcome the defects of the prior art, the utility model also aims to provide a stamping lower die without stress on a product.

One of the purposes of the utility model is realized by adopting the following technical scheme:

the utility model provides a stamping die, includes shaping drift and punching press lower mould, the shaping drift includes punching press portion, the punching press lower mould includes the main part, the main part is equipped with the recess, the recess shape with punching press portion shape corresponds, the punching press lower mould still includes the stress drift, the stress drift install in the main part is located the recess edge, the stress drift includes the arch, the arch is followed the main part is inside to be stretched out.

Further, the groove is provided with a bottom surface, the main body is provided with an inclined surface, and the stress punch is located between the bottom surface and the inclined surface.

Further, the protrusion is located on one side of the stress punch close to the inclined surface.

Further, the protrusion is rectangular.

Further, the stress ram further comprises a flat surface located between the protrusion and the bottom surface.

Further, the plane and the bottom surface are located on the same horizontal plane.

The second purpose of the utility model is realized by adopting the following technical scheme:

the utility model provides a punching press lower mould, includes the main part, the main part is equipped with the recess, punching press lower mould still includes the stress drift, the stress drift install in the main part is located the recess edge, the stress drift includes the arch, the arch is followed the main part is inside to be stretched out.

Further, the stress punch further comprises a plane, the plane is located between the protrusion and the bottom surface, and the plane and the bottom surface are located on the same horizontal plane.

Compared with the prior art, the lower stamping die of the stamping die further comprises the stress punch, the stress punch is arranged on the main body and located at the edge of the groove, the stress punch comprises a protrusion, the protrusion extends out of the main body, and during stamping, in the process of forming a convex hull of a product, the protrusion extrudes the root of the convex hull, so that stress is blocked and eliminated, and the product is not twisted and deformed.

Drawings

FIG. 1 is a schematic structural diagram of the stamping die in the open state according to the present invention;

FIG. 2 is an enlarged view of FIG. 1 at stamping die A;

FIG. 3 is a schematic structural view of the stamping die of FIG. 1 in a closed state;

fig. 4 is an enlarged view of fig. 3 at the press die B.

In the figure: 10. forming a punch; 11. a punching part; 20. stamping a lower die; 21. a main body; 210. a groove; 211. a bottom surface; 212. a bevel; 22. a stress punch; 220. a protrusion; 221. a plane; 100. producing a product; 101. and (4) convex hull.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, secured by intervening elements. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly disposed on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Fig. 1 and 4 show a stamping die according to the present invention, which is used to stamp a sheet material into a product 100 with a convex hull 101.

The press die includes a forming punch 10 and a press lower die 20. The forming punch 10 is provided with a punching part 11, and the punching part 11 is matched with the convex hull 101 of the product 100 in shape.

The punch lower die 20 includes a main body 21 and a stress punch 22. The body 21 is provided with a recess 210, the recess 210 being provided with a bottom surface 211. The main body 21 is further provided with a slope 212, and the slope 212 is located at one side of the bottom surface 211. The stress punch 22 is mounted to the body 21 between the bottom surface 211 and the inclined surface 212. Specifically, the stress punch 22 is fixed to the punch lower die 20 by being fitted. The stressing punch 22 comprises a protrusion 220 and a flat surface 221. The protrusion 220 and the flat surface 221 are located at one end of the stressing punch 22. The protrusion 220 has a rectangular shape. The protrusion 220 is located on the side of the stress ram 22 adjacent the ramp 212. The flat surface 221 is located on the side of the stressing punch 22 near the bottom surface 211. The plane 221 and the bottom surface 211 are located on the same horizontal plane.

During punching press, place product 100 on punching press lower mould 20, punching press portion 11 pushes down and forms convex closure 101 in punching press part product 100 to recess 210, and in convex closure 101 forming process, protruding 220 extrudees to convex closure 101 root to reach and block the elimination stress production, let product 100 do not distort, indeformable.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, variations and modifications can be made without departing from the spirit of the utility model, and all equivalent modifications and changes can be made to the above embodiments according to the essential technology of the utility model, which falls into the protection scope of the utility model.

Claims

1. The utility model provides a stamping die, includes shaping drift and punching press lower mould, the shaping drift includes punching press portion, the punching press lower mould includes the main part, the main part is equipped with the recess, the recess shape with punching press portion shape corresponds its characterized in that: the lower stamping die further comprises a stress punch which is arranged on the main body and located at the edge of the groove, and the stress punch comprises a protrusion which extends out of the interior of the main body.

2. The stamping die of claim 1, wherein: the groove is provided with a bottom surface, the main body is provided with an inclined surface, and the stress punch is located between the bottom surface and the inclined surface.

3. The stamping die of claim 2, wherein: the bulge is positioned on one side of the stress punch close to the inclined plane.

4. The stamping die of claim 3, wherein: the protrusion is rectangular.

5. The stamping die of claim 2, wherein: the stress ram further comprises a flat surface located between the protrusion and the bottom surface.

6. The stamping die of claim 5, wherein: the plane and the bottom surface are located on the same horizontal plane.

7. The utility model provides a punching press lower mould, includes the main part, the main part is equipped with recess, its characterized in that: the lower stamping die further comprises a stress punch which is arranged on the main body and located at the edge of the groove, and the stress punch comprises a protrusion which extends out of the interior of the main body.

8. The punch lower die as set forth in claim 7, wherein: the groove is provided with a bottom surface, the main body is provided with an inclined surface, and the stress punch is located between the bottom surface and the inclined surface.

9. The punch lower die of claim 8, wherein: the bulge is positioned on one side of the stress punch close to the inclined plane.

10. The punch lower die of claim 8, wherein: the stress punch further comprises a plane, the plane is located between the protrusion and the bottom surface, and the plane and the bottom surface are located on the same horizontal plane.