CN210305369U

CN210305369U - Shock attenuation formula stamping die

Info

Publication number: CN210305369U
Application number: CN201921335508.1U
Authority: CN
Inventors: 陶老夯; 陶庭富
Original assignee: WUHU HANGFU MACHINERY MOLD CO Ltd
Current assignee: WUHU HANGFU MACHINERY MOLD CO Ltd
Priority date: 2019-08-17
Filing date: 2019-08-17
Publication date: 2020-04-14
Anticipated expiration: 2029-08-17

Abstract

The utility model provides a shock-absorbing stamping die, which comprises an upper die base, a lower die base and a guide pillar, wherein an upper template is arranged on the upper die base, a lower template is arranged on the lower die base, and a first buffer backing plate is arranged between the upper template and the upper die base; the lower die plate is characterized in that the bottom of the lower die plate is fixedly connected with a second buffer base plate, a first damping mechanism is arranged at the bottom of the buffer base plate, a second damping mechanism is arranged at the bottom of the first damping mechanism, a cavity is arranged in the lower die base, and the first damping mechanism and the second damping mechanism are located in the cavity. The utility model has the advantages of reasonable design, through setting up two damper, carry out the impact force buffering to lower bolster and die holder, make the impact force through the slip of buffering backing plate, spring and slider and spout to set up the frosting between slider and the spout and increased frictional force, cushion impact force once, through the secondary buffering of unsmooth sphere, reduced the injury of impact force to bed die and die holder.

Description

Shock attenuation formula stamping die

Technical Field

The utility model mainly relates to a mechanical die produces processing technology field, in particular to shock attenuation formula stamping die.

Background

The stamping die is a special process equipment for processing materials into parts in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation thereof, thereby obtaining a desired part.

And current stamping die can set up buffer structure on the upper die base, prevents that the impact force from influencing the punching press to processing the work piece, reduces production efficiency, but also can receive a high strength impact force on the lower mould, on the impact force can transmit the supporter through the mould, the supporter not only can produce a very strong reaction force, still can cause the injury to mould and supporter, has reduced stamping die's life.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved by the utility model

The utility model provides a shock attenuation formula stamping die for current stamping die who proposes in solving above-mentioned background art is at the stamping process, and the bed die can arrive a high strength impact force, causes the injury to mould and support, has reduced stamping die's life's technical problem.

Technical scheme

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a shock absorption type stamping die comprises an upper die base, a lower die base and a guide pillar, wherein an upper die plate is arranged on the upper die base, a lower die plate is arranged on the lower die base, and a first buffer base plate is arranged between the upper die plate and the upper die base; the lower die plate is characterized in that the bottom of the lower die plate is fixedly connected with a second buffer base plate, a first damping mechanism is arranged at the bottom of the buffer base plate, a second damping mechanism is arranged at the bottom of the first damping mechanism, a cavity is arranged in the lower die base, and the first damping mechanism and the second damping mechanism are located in the cavity.

Further, first damper includes the bracing piece, bracing piece top fixed connection the second cushion plate, the bracing piece bottom is equipped with the slider, just the cover is equipped with first spring on the bracing piece.

Furthermore, the sliding block is clamped and connected with a sliding groove, the sliding groove is located on the side wall of the cavity and is in contact with the sliding groove, and a frosting surface is arranged on the wall of the cavity.

Furthermore, the bottom of the sliding block is fixedly connected with a plurality of second springs which are arranged at equal intervals.

Furthermore, the second damping mechanism comprises a pressing plate, the pressing plate is located at the bottom of the sliding groove, one end of the pressing plate is fixedly connected with the second spring, and the other end of the pressing plate is fixedly connected with the convex spherical surface.

Furthermore, the convex spherical surface is engaged with the concave spherical surface, and the other end of the concave spherical surface is fixedly connected with a third buffer backing plate.

Furthermore, a plurality of concave-convex spheres are arranged between the convex spherical surface and the concave spherical surface.

Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the utility model has the advantages of reasonable design, through setting up two damper, carry out the impact force buffering to lower bolster and die holder, make the impact force through the slip of buffering backing plate, spring and slider and spout to set up the frosting between slider and the spout and increased frictional force, cushion impact force once, through the secondary buffering of unsmooth sphere, reduced the injury of impact force to bed die and die holder.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification of the invention, illustrate exemplary embodiments of the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic view of the structure of the present invention;

fig. 2 is an enlarged schematic view of the area a of fig. 1 in the present invention.

Description of reference numerals:

1-an upper die holder; 11-upper template; 12-a first cushion pad; 2-a lower die holder; 21-a lower template; 22-a second cushion pad; 3-a guide pillar; 4-a first damping mechanism; 41-a support bar; 411-a slider; 42-a first spring; 43-a chute; 44-a second spring; 5-a second damping mechanism; 51-a platen; 52-convex spherical surface; 53-concave spherical surface; 54-a third cushion pad; 55-concave-convex sphere; 6-a cavity; and 61-frosting.

Detailed Description

Reference will now be made in detail to various exemplary embodiments of the invention, which should not be considered limiting of the invention, but rather should be understood to be a more detailed description of certain aspects, features and embodiments of the invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.

Example 1

A shock absorption type stamping die comprises an upper die holder 1, a lower die holder 2 and a guide pillar 3, wherein an upper template 11 is arranged on the upper die holder 1, a lower template 21 is arranged on the lower die holder 2, and a first buffer base plate 12 is arranged between the upper template 11 and the upper die holder 1; the bottom of the lower die plate 21 is fixedly connected with a second buffer base plate 22, a first damping mechanism 4 is arranged at the bottom of the buffer base plate 22, a second damping mechanism 5 is arranged at the bottom of the first damping mechanism 4, a cavity 6 is arranged in the lower die base 2, and the first damping mechanism 4 and the second damping mechanism 5 are located in the cavity 6.

First damper 4 includes

bracing piece

41, 41 top fixed connection of bracing piece the

second cushion plate

22, 41 bottoms of bracing piece are equipped with slider 411, just the cover is equipped with first spring 42 on the bracing piece 41, is equipped with the opening on the cavity 6, makes bracing piece 41 movable from top to bottom, carries out the during operation at last bed die, and the impact force is sent to bracing piece 41 through cushion plate 22 earlier on, and bracing piece 41 wants to be vertical motion down, and first spring 42 is compressed, provides an elastic reaction force, carries out certain decomposition buffering to the impact force.

The sliding block 411 is clamped and connected with a sliding groove 43, the sliding groove 43 is located on the side wall of the cavity 6 and is in contact with the sliding groove 43, a frosting surface 61 is arranged on the wall of the cavity 6, the bottom of the sliding block 411 is fixedly connected with a plurality of second springs 44, and the second springs 44 are arranged at equal intervals.

In this embodiment, when the supporting rod 41 moves vertically downward, the sliding block 411 slides in the sliding groove 43, since the contact surface between the sliding groove 43 and the sliding block 411 is provided with the frosted surface 61, the friction force is increased in a range that does not affect the operation of the mold, and when the sliding block 411 slides, the second spring 44 is pressed by sunlight, the second spring 44 is compressed, the elastic reaction force is generated, and the impact force is further decomposed and buffered under the action of the friction force and the elastic reaction force.

The second damping mechanism 5 comprises a pressing plate 51, the pressing plate 51 is positioned at the bottom of the sliding groove 43, one end of the pressing plate 51 is fixedly connected with the second spring 44, and the other end of the pressing plate 51 is fixedly connected with a convex spherical surface 52; the convex spherical surface 52 is engaged with the concave spherical surface 53, and the other end of the concave spherical surface 53 is fixedly connected with a third buffer backing plate 54; a plurality of concave-convex spherical bodies 55 are provided between the convex spherical surface 52 and the concave spherical surface 53.

In the present embodiment, when the second spring 44 is compressed, an undecomposed impact force is still applied to the pressure plate 51, and the convex spherical surface 52 and the concave spherical surface 53 are brought into contact with each other to decompose a part of the impact force into decomposition forces in various directions, thereby performing buffer decomposition again.

The utility model discloses a concrete operation flow:

when the die is not in operation, the first spring 42 and the second spring are in a normal state, when the upper die plate and the lower die plate are in operation, the upper die plate 11 or the lower die plate 21 generates an impact force, the impact force passes through the second buffer backing plate 22, the supporting rod 41 is pressed to move downwards, the first spring 42 is compressed, meanwhile, the sliding block 411 performs sliding motion in the sliding groove 43, the second spring 44 is compressed, the pressing plate 51 is pressed, the vertical impact force is decomposed into acting forces in various directions by the convex spherical surface 52 and the concave spherical surface 53, and the impact force is decomposed by elastic acting force, friction force and spherical surface in the process, so that the pressure between the lower die plate and the lower die holder is buffered.

To sum up, the utility model has the advantages of reasonable design, through setting up two damper, carry out the impact force buffering to lower bolster and die holder, make the impact force through the slip of buffering backing plate, spring and slider and spout to set up the frosting between slider and the spout and increased frictional force, buffer impact force once, through the secondary buffering of unsmooth sphere, reduced the injury of impact force to bed die and die holder.

The foregoing is only an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the present invention should fall within the protection scope of the present invention.

Claims

1. The utility model provides a shock attenuation formula stamping die, includes upper die base (1), die holder (2) and guide pillar (3), be equipped with cope match-plate pattern (11) on upper die base (1), be equipped with lower bolster (21) on die holder (2), its characterized in that: a first buffer base plate (12) is arranged between the upper template (11) and the upper die holder (1); lower bolster (21) bottom fixed connection second cushion plate (22), cushion plate (22) bottom is equipped with first damper (4), first damper (4) bottom is equipped with second damper (5), be equipped with cavity (6) in die holder (2), first damper (4) and second damper (5) are located in cavity (6).

2. The shock-absorbing type stamping die according to claim 1, wherein: first damper (4) include bracing piece (41), bracing piece (41) top fixed connection second cushion plate (22), bracing piece (41) bottom is equipped with slider (411), just the cover is equipped with first spring (42) on bracing piece (41).

3. The shock-absorbing type punching die according to claim 2, wherein: the sliding block (411) is clamped and connected with a sliding groove (43), the sliding groove (43) is located on the side wall of the cavity (6) and is in contact with the sliding groove (43), and a frosting surface (61) is arranged on the wall of the cavity (6).

4. The shock absorbing type stamping die according to claim 3, wherein: the bottom of the sliding block (411) is fixedly connected with a plurality of second springs (44), and the second springs (44) are arranged at equal intervals.

5. The shock-absorbing type stamping die according to claim 4, wherein: the second damping mechanism (5) comprises a pressure plate (51), the pressure plate (51) is located at the bottom of the sliding groove (43), one end of the pressure plate (51) is fixedly connected with the second spring (44), and the other end of the pressure plate (51) is fixedly connected with a convex spherical surface (52).

6. The shock-absorbing type stamping die according to claim 5, wherein: the convex spherical surface (52) is connected with the concave spherical surface (53) in a meshing manner, and the other end of the concave spherical surface (53) is fixedly connected with a third buffer cushion plate (54).

7. The shock-absorbing type stamping die according to claim 6, wherein: a plurality of concave-convex spheres (55) are arranged between the convex spherical surface (52) and the concave spherical surface (53).