CN220049717U

CN220049717U - Stamping die

Info

Publication number: CN220049717U
Application number: CN202320671357.7U
Authority: CN
Inventors: 刘婷; 何永能; 李光伦; 杨秀雷; 杨奇; 龙本欢; 胡佳乐
Original assignee: Guizhou Zhenhua Hualian Electronics Co ltd
Current assignee: Guizhou Zhenhua Hualian Electronics Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-11-21
Anticipated expiration: 2033-03-30

Abstract

The utility model discloses a stamping die which comprises an upper die and a lower die, wherein the upper die comprises a die shank, a fixing plate, a liner plate A, a liner plate B and a die holder A, the die shank is arranged on the die holder A, the fixing plate, the liner plate A, the liner plate B and the die holder A are sequentially arranged from top to bottom, and a groove male die A is arranged on the upper die. According to the utility model, the V-shaped groove stamping processing of the positioning sheet blank can be completed at one time by arranging the upper die and the lower die; through the setting of ejector pad A and ejector pad B, prevent to lead to the V-arrangement groove dislocation of both sides at the V-arrangement groove in-process spacer blank slope, play limiting displacement with spacing post simultaneously to the asymmetric condition of both sides V-arrangement groove prevents to appear, guarantees punching press yield.

Description

Stamping die

Technical Field

The utility model belongs to the technical field of stamping dies, and particularly relates to a stamping die.

Background

The 001 locating piece is a main structural member of the micro-switch, the main structural member is used for connecting the switch reversing mechanism and the contact mechanism in the switch structure, the part is a functional part of a product, and the two V-shaped grooves on the 001 locating piece have extremely high requirements on the size. The two V-shaped grooves of the part are required to be symmetrical and have the same size, so that the contact reliability of the movable contacts on two sides and the upper and lower fixed contacts can be ensured. However, the following problems exist in the conventional mold structure and part production process: (1) the two V-shaped grooves of the positioning sheet are asymmetric, so that the movable contact arranged on the contact sheet is in poor contact with the upper and lower stationary contacts when the switch is in use. (2) The two V-shaped grooves of the positioning sheet are too shallow, and the contact sheet easily slides out of the V-shaped grooves of the positioning sheet, so that the function of the switch is invalid. (3) The two V-shaped grooves of the locating piece are too deep, the strength of the locating piece is insufficient, and the 001 locating piece is easy to break in the use process of the switch, so that the key cannot be reset. The above 3 problems can not meet the use requirement of the switch. The quality problem of the micro switch is caused by the two V-shaped groove forming reasons of the 001 positioning sheet, so that a special V-shaped groove forming stamping die is needed.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a stamping die, which can provide a special V-shaped groove forming stamping die.

The utility model is realized by the following technical scheme.

The utility model provides a stamping die which comprises an upper die and a lower die, wherein the upper die comprises a die shank, a fixing plate, a liner plate A, a liner plate B and a die holder A, the die shank is arranged on the die holder A, the fixing plate, the liner plate A, the liner plate B and the die holder A are sequentially arranged from top to bottom, and a groove male die A is arranged on the upper die.

Preferably, the lower die comprises a locating plate, a concave template, a liner plate C, a liner plate B and a die holder B, wherein the locating plate, the concave template, the liner plate C, the liner plate B and the die holder B are sequentially arranged from top to bottom, and a groove punch B is arranged on the lower die.

Preferably, the lower die is provided with a screw, a nut, a top spring backing plate A and a top spring backing plate B, the screw is connected with a die holder B, the screw is respectively connected with the top spring backing plate A, the top spring backing plate B and the nut, the nut is arranged on one side of the top spring backing plate B, and an elastic piece A is arranged between the top spring backing plate A and the top spring backing plate B.

Preferably, the upper die is provided with a push block A, the push block A is connected with the backing plate A through a push pin A, and the groove punch A is arranged on the push block A.

Preferably, the lower die is provided with a push block B, the push block B is connected with the ejector backing plate A through a push pin B, and a groove punch B is arranged on the push block B.

Preferably, the fixing plate is provided with a guide post and a limit post.

Preferably, an elastic member B is arranged in the die shank, and one end of the elastic member B is connected with the backing plate A.

Preferably, the groove punch A and the groove punch B are respectively provided with a bulge.

The utility model has the beneficial effects that:

according to the utility model, the V-shaped groove stamping processing of the positioning sheet blank can be completed at one time by arranging the upper die and the lower die; through the setting of ejector pad A and ejector pad B, prevent to lead to the V-arrangement groove dislocation of both sides at the V-arrangement groove in-process spacer blank slope, play limiting displacement with spacing post simultaneously to the asymmetric condition of both sides V-arrangement groove prevents to appear, guarantees punching press yield.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of a slot punch A of the present utility model;

FIG. 3 is a schematic view of the structure of the spacer blank after stamping;

in the figure: 1-die shank, 2-fixed plate, 3-liner A, 4-liner A, 5-liner B, 6-die holder A, 7-slot punch A, 8-locating plate, 9-concave die plate, 10-liner C, 11-liner B, 12-die holder B, 13-slot punch B, 14-screw, 15-nut, 16-ejector liner A, 17-ejector liner B, 18-elastic member A, 19-push block A, 20-push nail A, 21-push block B, 22-push nail B, 23-guide pillar, 24-limit post, 25-elastic member B, 26-bulge, 27-locating piece blank, 28-V-slot.

Detailed Description

The technical solution of the present utility model is further described below, but the scope of the claimed utility model is not limited to the above.

Example 1:

as shown in fig. 1 to 3, a stamping die comprises an upper die and a lower die, wherein the upper die comprises a die shank 1, a fixing plate 2, a lining plate A3, a base plate A4, a lining plate B5 and a die holder A6, the die shank 1 is arranged on the die holder A6, and the fixing plate 2, the lining plate A3, the base plate A4, the lining plate B5 and the die holder A6 are sequentially arranged from top to bottom, and a groove male die A7 is arranged on the upper die.

The lower die comprises a locating plate 8, a female die plate 9, a lining plate C10, a base plate B11 and a die holder B12, wherein the locating plate 8, the female die plate 9, the lining plate C10, the base plate B11 and the die holder B12 are sequentially arranged from top to bottom, and a groove male die B13 is arranged on the lower die.

The lower die is provided with a screw 14, a nut 15, a top ejector base plate A16 and a top ejector base plate B17, the screw 14 is connected with a die holder B12, the screw 14 is respectively connected with the top ejector base plate A16, the top ejector base plate B17 and the nut 15, the nut 15 is arranged on one side of the top ejector base plate B17, and an elastic piece A18 is arranged between the top ejector base plate A16 and the top ejector base plate B17.

The upper die is provided with a push block A19, the push block A19 sequentially penetrates through the fixed plate 2 and the liner plate A3 to form sliding connection, the push block A19 is connected with the liner plate A4 through push nails A20, the push nails A20 sequentially penetrate through the liner plate A3, the liner plate A4 and the liner plate B5 to form sliding connection, the groove male die A7 is arranged on the push block A19, and the bottom edge of the groove male die A7 is higher than the bottom edge of the push block A19. In the use process of the die, when the upper die is contacted with the lower die, the push block A19 moves upwards and drives the push pin A20 to move, the push pin A20 enables the elastic piece B25 to be compressed, and then the groove male die A7 can be contacted with the positioning sheet blank 27, and the stamping effect of the V-shaped groove 28 is achieved.

The lower die is provided with a push block B21, the push block B21 sequentially penetrates through the female die plate 9 and the lining plate C10 and forms sliding connection, the push block B21 is connected with the ejector backing plate A16 through push nails B22, the push nails B22 sequentially penetrate through the backing plate B11 and the die holder B12 and form sliding connection, the groove male die B13 is arranged on the push block B21, and the top edge of the groove male die B13 is higher than the top edge of the push block B21. During the use process of the die, when the upper die is contacted with the lower die, the push block B21 moves downwards and drives the push pin B22 to move, the push pin B22 drives the ejector pad plate A16 to move downwards and enables the elastic piece A18 to compress, and then the groove punch B13 can be contacted with the positioning piece blank 27 and the stamping effect of the V-shaped groove 28 is realized.

The fixing plate 2 is provided with a guide pillar 23 and a limiting pillar 24, the guide pillar 23 plays a role in guiding the upper die, and the limiting pillar 24 plays a role in limiting the upper die.

An elastic piece B25 is arranged in the die shank 1, and one end of the elastic piece B25 is connected with the base plate A4.

The convex parts 26 are respectively arranged on the groove convex mould A7 and the groove convex mould B13, and the cross section of the convex parts 26 is V-shaped.

The working principle of the utility model is as follows:

after the die is installed on a punching machine and debugged, positioning the positioning piece blank 27 through the positioning plate 8 and placing the positioning piece blank on the push block B21; starting the press to enable the upper die to descend, and under the guiding action of the guide post 23, the upper die and the lower die are correctly clamped, and the process can be divided into two stages:

firstly, an upper die descends a push block A19 and a push block B21 to compress and flatten a positioning piece blank 27 (001 positioning piece), at the moment, a groove male die A7 is lower than the push block A19, a groove male die B13 is lower than the push block B21, the upper die continues to descend, the push block A19 descends, the push block B21 descends until the groove male die A7 and the groove male die B13 contact the positioning piece blank 27, the two parts simultaneously punch the positioning piece blank 27, and when a limit post 24 contacts the upper surface of a female die plate 9, the upper die stops moving downwards, and V-shaped grooves 28 on the upper side and the lower side of the positioning piece blank 27 are formed;

then the punch machine drives the upper die to move upwards, the die is opened, the push block A19 and the push block B21 push the positioning piece blank 27 out of the groove punch A7 and the groove punch B13, and the positioning piece blank 27 can be taken out to finish a part production cycle.

The push block A19 and the push block B21 are always in contact with the upper surface and the lower surface of the positioning sheet blank 27 in the whole forming process, so that the V-shaped grooves on two sides are prevented from misplacement caused by the inclination of the positioning sheet blank 27 in the V-shaped groove 28 forming process, the limiting column 24 is used for limiting, the situation that the V-shaped grooves 28 on two sides of the positioning sheet blank 27 are asymmetric is prevented, and the size of the V-shaped grooves 28 is ensured.

Claims

1. A stamping die, characterized in that: including last mould and bed die, it includes die shank (1), fixed plate (2), welt A (3), backing plate A (4), welt B (5), die holder A (6) to go up the mould, die shank (1) set up on die holder A (6), fixed plate (2), welt A (3), backing plate A (4), welt B (5) and die holder A (6) are from top to bottom set gradually, set up groove terrace die A (7) on the last mould.

2. A stamping die as defined in claim 1, wherein: the lower die comprises a locating plate (8), a female die plate (9), a lining plate C (10), a base plate B (11) and a die holder B (12), wherein the locating plate (8), the female die plate (9), the lining plate C (10), the base plate B (11) and the die holder B (12) are sequentially arranged from top to bottom, and a groove male die B (13) is arranged on the lower die.

3. A stamping die as defined in claim 1, wherein: screw rod (14), nut (15), roof device backing plate A (16) and roof device backing plate B (17) are set up on the bed die, screw rod (14) are connected with die holder B (12), screw rod (14) are connected with roof device backing plate A (16), roof device backing plate B (17) and nut (15) respectively, nut (15) set up in one side of roof device backing plate B (17), set up elastic component A (18) between roof device backing plate A (16) and roof device backing plate B (17).

4. A stamping die as defined in claim 1, wherein: the upper die is provided with a push block A (19), the push block A (19) is connected with the base plate A (4) through a push pin A (20), and the groove male die A (7) is arranged on the push block A (19).

5. A stamping die as defined in claim 1, wherein: the lower die is provided with a push block B (21), the push block B (21) is connected with the ejector backing plate A (16) through a push pin B (22), and the push block B (21) is provided with a groove punch B (13).

6. A stamping die as defined in claim 1, wherein: the fixing plate (2) is provided with a guide post (23) and a limit post (24).

7. A stamping die as defined in claim 1, wherein: an elastic piece B (25) is arranged in the die shank (1), and one end of the elastic piece B (25) is connected with the base plate A (4).

8. A stamping die as defined in claim 1, wherein: and the groove male die A (7) and the groove male die B (13) are respectively provided with a bulge (26).