CN217044249U

CN217044249U - Stamping part die structure

Info

Publication number: CN217044249U
Application number: CN202220448929.0U
Authority: CN
Inventors: 卢建生
Original assignee: Jiangsu Wenguang Mould & Die Technique Co ltd
Current assignee: Jiangsu Wenguang Mould & Die Technique Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-26
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a stamping workpiece mould structure relates to stamping die technical field, including the last mould part and the lower mould part that distribute from top to bottom, go up the mould part including the last spring unit and the master model that distribute from top to bottom, the top surface of master model runs through has first passageway, takes off the piece in being provided with in the first passageway, takes off the piece in and is connected with last spring unit, and the lower mould part is taken off piece and fixing base including the outer of distributing from top to bottom, and takes off spring unit down that is provided with between piece and the fixing base outward. The utility model provides an it can stably process the blank to go up mould part and the cooperation of lower mould part and use, puncture the punch of bending in the course of working can tear the blank and take off the block-type formation space die cavity in with the master model, can constitute the goods, take off the block and can release the die cavity to the goods by last spring assembly drive in the puncture after bending, avoided the appearance of card material problem, puncture the punch of bending in addition and wear to insert jointly on taking off block and fixing base outward, can avoid appearing the problem of the punch of bending easy rupture of puncturing.

Description

Stamping part die structure

Technical Field

The utility model relates to a stamping die technical field especially relates to a stamping workpiece die structure.

Background

The stamping is a forming method in which a press and a die are used to apply external force to a plate, a strip, a pipe, a profile, etc. to cause plastic deformation or separation, thereby obtaining a workpiece (stamped part) of a desired shape and size. At present, the competition of the stamping product industry is very fierce, the profit of the small stamping parts is lower and lower, and the cost reduction is imperative. On the premise of meeting the function of the product, a plurality of products in the punching and riveting modes are changed into a single punching (piercing and bending) mode, so that the cost of the rivet is saved.

However, in mass production, continuous stamping and material clamping and easy breakage of the piercing punch generally exist, so that the continuity and the benefit of stamping operation are influenced due to frequent die repair.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stamping workpiece mould structure, can stabilize high-efficient processing stamping products, avoid appearing the card material in stamping process, puncture the problem that the punching pin easily breaks, further use reliable and stable.

The purpose of the utility model can be achieved by adopting the following technical scheme:

a stamping part die structure comprises an upper die part and a lower die part which are distributed up and down, wherein the upper die part comprises an upper spring assembly and a female die which are distributed up and down, a first channel penetrates through the top surface of the female die, an inner stripping block is arranged in the first channel and is connected with the upper spring assembly,

the lower die part comprises an outer stripping block and a fixed seat which are vertically distributed, a lower spring assembly is arranged between the outer stripping block and the fixed seat, a second channel penetrates through the top surface of the outer stripping block, and a piercing and bending punch penetrates through the inner side of the second channel.

Preferably, a limiting hole penetrates through the top surface of the fixing seat, and the lower spring assembly penetrates through the inner side of the limiting hole.

Preferably, the lower spring assembly comprises a limiting cylinder and a first spring rod arranged on the inner side of the limiting cylinder.

Preferably, the top end of the limiting cylinder is provided with a limiting block, the top end of the first spring rod is provided with a blocking block, the blocking block is arranged above the limiting block, and a space is reserved between the blocking block and the limiting block.

Preferably, a fixing hole is further formed in the top surface of the outer stripping block in a penetrating mode, and the blocking block is inserted into the inner side of the fixing hole in a penetrating mode.

Preferably, the blocking block is of an arc rod structure, the limiting block is of a cylindrical structure, the blocking block and the limiting block are coaxially arranged, and the inner diameter of the blocking block is smaller than the radius of the limiting block.

Preferably, a third channel penetrates through the top surface of the fixed seat, and the piercing and bending punch is commonly inserted into the first channel and the second channel.

Preferably, the upper spring assembly comprises a fixed cylinder and a second spring rod inserted into the inner side of the fixed cylinder, and the inner stripping block is arranged at the bottom of the second spring rod.

The utility model has the advantages of that:

the utility model provides an it can stably process the blank to go up mould part and lower mould part cooperation use, puncture the punch of bending in the course of working can tear the blank and with the master model and interior take off the piece and form the space die cavity, can constitute the goods, take off the piece and can release the die cavity to the goods by last spring assembly drive in the puncture after bending, the appearance of card material problem has been avoided, puncture the punch of bending in addition and alternate jointly on taking off piece and fixing base outside, can avoid appearing the problem of the punch of bending and easily breaking.

Drawings

FIG. 1 is a schematic view showing a state in which upper and lower mold portions are opened according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a lower mold part according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an upper spring assembly according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of an external stripping block according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a female mold according to an embodiment of the present invention;

fig. 6 is a schematic view of the upper and lower mold sections closing mold according to an embodiment of the present invention.

In the figure: 1-an outer stripping block, 101-a fixing hole, 2-a fixing seat, 201-a limiting hole, 3-a lower spring assembly, 301-a limiting cylinder, 302-a first spring rod, 303-a blocking block, 4-a female die, 5-an upper spring assembly, 501-a fixing cylinder, 502-a second spring rod, 6-an inner stripping block, 7-a piercing and bending punch, 8-a limiting block and 9-a blank.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention is further described in detail below with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-6, the stamping die structure provided in this embodiment includes an upper die portion and a lower die portion distributed up and down, the upper die portion includes an upper spring assembly 5 and a female die 4 distributed up and down, a first channel penetrates through a top surface of the female die 4, an inner stripping block 6 is disposed in the first channel, the inner stripping block 6 is connected with the upper spring assembly 5,

the lower die part comprises an outer stripping block 1 and a fixed seat 2 which are distributed up and down, a lower spring assembly 3 is arranged between the outer stripping block 1 and the fixed seat 2, a second channel penetrates through the top surface of the outer stripping block 1, a piercing and bending punch 7 is inserted into the inner side of the second channel, the piercing and bending punch 7 is fastened by the fixed seat 2, the outer stripping block 1 is driven by the lower spring assembly 3, an inner stripping block 6 is driven by an upper spring assembly 5, a female die 4 is fixed on an upper die of the progressive die and connected with a slide block of the press machine, springs in the upper spring assembly and the lower spring assembly can adopt large-force springs, and all the components are assembled in a progressive die cavity.

In the embodiment, when the blank is sent to the process, the outer stripping block 1 is driven by the lower spring assembly 3 to press the blank 9, the press continues to move downwards, the top end of the piercing and bending punch 7 protrudes out of the channel on the outer stripping block 1 to tear the blank 9 and form a space cavity with the female die 4 and the inner stripping block 6 to extrude the blank to form a product, the press returns, the inner stripping block 6 is driven by the upper spring assembly 5 to push the product out of the cavity, and the outer stripping block 1 is driven by the lower spring assembly 3 to repeatedly prepare the next piercing.

In this embodiment, as shown in fig. 1, a limiting hole 201 is formed through a top surface of the fixing base 2, the lower spring assembly 3 is inserted into an inner side of the limiting hole 201, the lower spring assembly 3 includes a limiting cylinder 301 and a first spring rod 302 disposed inside the limiting cylinder 301, wherein the limiting cylinder 301 is fixed in the limiting hole 201, and a large force spring is disposed between the first spring rod 302 and the limiting cylinder 301.

In this embodiment, as shown in fig. 3, the upper spring assembly 5 includes a fixed cylinder 501 and a second spring rod 502 inserted into the fixed cylinder 501, a large force spring is disposed between the fixed cylinder 501 and the second spring rod 502, and the inner stripping block 6 is disposed at the bottom of the second spring rod 502.

In this embodiment, as shown in fig. 2, a limiting block 8 is disposed at a top end of the limiting cylinder 301, a blocking block 303 is disposed at a top end of the first spring rod 302, the blocking block 303 is disposed above the limiting block 8, a space is left between the blocking block 303 and the limiting block 8, the blocking block 303 is of an arc rod structure, the limiting block 8 is of a cylindrical structure, the blocking block 303 and the limiting block 8 are coaxially disposed, and an inner diameter of the blocking block 303 is smaller than a radius of the limiting block 8, so as to ensure that the limiting block 8 and the blocking block 303 are pressed against each other in use, and limit a minimum distance between the outer releasing block 1 and the fixing base 2.

In this embodiment, as shown in fig. 2 and 4, a fixing hole 101 is further formed through the top surface of the ejector pad 1, and the blocking pad 303 is inserted into the fixing hole 101.

In this embodiment, as shown in fig. 1, a third channel penetrates through the top surface of the fixing seat 2, and the piercing and bending punch 7 is inserted into the first channel and the second channel together, so as to ensure that the blank 9 on the top surface of the outer stripping block 1 is pierced by the piercing and bending punch 7.

In conclusion, in the embodiment, the upper die part and the lower die part provided by the embodiment are used in a matched manner, so that a blank can be stably processed, the bent punch 7 is punctured in the processing process, the blank 9 can be torn, and the blank, the female die 4 and the inner stripping block 6 form a spatial cavity, so that a product can be formed, the inner stripping block 6 can be driven by the upper spring assembly 5 to push the product out of the cavity after the bent punch is punctured, the problem of material blockage is avoided, and in addition, the bent punch 7 is punctured and inserted on the outer stripping block 1 and the fixed seat 2 together, so that the problem that the bent punch 7 is easily broken can be avoided.

The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.

Claims

1. The utility model provides a stamping workpiece mould structure which characterized in that: comprises an upper die part and a lower die part which are distributed up and down, wherein the upper die part comprises an upper spring assembly (5) and a female die (4) which are distributed up and down, a first channel penetrates through the top surface of the female die (4), an inner stripping block (6) is arranged in the first channel, the inner stripping block (6) is connected with the upper spring assembly (5),

the lower die part comprises an outer stripping block (1) and a fixed seat (2) which are distributed up and down, a lower spring assembly (3) is arranged between the outer stripping block (1) and the fixed seat (2), a second channel penetrates through the top surface of the outer stripping block (1), and a piercing and bending punch (7) penetrates through the inner side of the second channel.

2. A stamping die structure as claimed in claim 1, wherein: the top surface of fixing base (2) runs through there is spacing hole (201), lower spring assembly (3) are run through in the inboard in spacing hole (201).

3. A stamping die structure as claimed in claim 1, wherein: the lower spring assembly (3) comprises a limiting cylinder (301) and a first spring rod (302) arranged on the inner side of the limiting cylinder (301).

4. A stamping die structure as claimed in claim 3, wherein: the limiting device is characterized in that a limiting block (8) is arranged at the top end of the limiting barrel (301), a blocking block (303) is arranged at the top end of the first spring rod (302), the blocking block (303) is arranged above the limiting block (8), and a space is reserved between the blocking block (303) and the limiting block (8).

5. A stamping die structure according to claim 4, wherein: the top surface of the outer stripping block (1) is also provided with a fixing hole (101) in a penetrating manner, and the blocking block (303) is inserted into the inner side of the fixing hole (101).

6. A stamping die structure as claimed in claim 4, wherein: the stop block (303) is of an arc rod structure, the limiting block (8) is of a cylindrical structure, the stop block (303) and the limiting block (8) are coaxially arranged, and the inner diameter of the stop block (303) is smaller than the radius of the limiting block (8).

7. A stamping die structure according to claim 1, wherein: and a third channel is further penetrated through the top surface of the fixed seat (2), and the piercing and bending punch (7) is jointly inserted into the first channel and the second channel.

8. A stamping die structure as claimed in claim 1, wherein: the upper spring assembly (5) comprises a fixed cylinder (501) and a second spring rod (502) inserted into the inner side of the fixed cylinder (501), and the inner stripping block (6) is arranged at the bottom of the second spring rod (502).