CN218574758U - Stamping die with synchronous side punching and hole flanging - Google Patents

Abstract

The utility model discloses a synchronous stamping die of side blow hole flanging, this stamping die aim at solving under the prior art need the punching die flanging dies to punch a hole and the hole flanging process when processing some specific products, can't realize through same process, and production efficiency is lower, the not high technical problem of precision of product. This stamping die includes upper die base and die holder, and upper die base diapire still fixedly connected with upper padding plate still includes: the stripper plate is connected to the bottom wall of the upper base plate in a sliding manner through a telescopic rod, and a first nitrogen spring is arranged between the stripper plate and the upper base plate; the first stamping part is connected to the top wall of the lower die base and matched with the stripper plate; and the second stamping part comprises a second sliding block which is connected to the top wall of the lower die holder in a sliding manner, a punch head which is fixedly connected to the side wall of the second sliding block, a first lower die plate and a punching and hole flanging module, and a fourth nitrogen spring is arranged between the first lower die plate and the second sliding block.

Description

Stamping die with synchronous side punching and hole flanging

Technical Field

The utility model belongs to the technical field of the punching press grinding apparatus, concretely relates to synchronous stamping die of side blow hole flanging.

Background

The stamping die is a special technological equipment for processing materials into parts or semi-finished products in cold stamping processing, and is called as 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 of the material, thereby obtaining a desired part. A mold is a tool for molding an article, which has various parts, and different molds are composed of different parts, and it is accomplished by the change of the physical state of the molded material mainly to shape the article. The existing stamping die has the following problems in the use process:

1. traditional stamping die need the punching die hole flanging mould to punch a hole and the hole flanging process when processing some specific products, can't realize through same process, and production efficiency is lower.

2. Because the hole flanging dies of the punching dies have certain standard difference, the precision of the products is not high, and the qualification rate of the products is reduced.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

An it is not enough to prior art, the utility model aims at providing a synchronous stamping die of side blow hole flanging, this stamping die aims at solving traditional stamping die under the prior art, need punching die flanging dies to punch a hole and the hole flanging process when processing some specific products, can't realize through same process, and production efficiency is lower, because punching die flanging dies all can have certain benchmark poor, just so can lead to the precision of product not high, has reduced the problem of the qualification rate of product.

(2) Technical scheme

In order to solve the technical problem, the utility model provides a such synchronous stamping die of side blow hole flanging which this stamping die includes upper die base and die holder, the upper die base diapire still fixedly connected with upper padding plate still includes:

the stripper plate is connected to the bottom wall of the upper backing plate in a sliding manner through a telescopic rod, and a first nitrogen spring is arranged between the stripper plate and the upper backing plate;

the first stamping part is connected to the top wall of the lower die holder and matched with the stripper plate;

second punching press portion, second punching press portion includes sliding connection in the second slider of die holder roof, fixed connection in the drift of second slider lateral wall, through telescopic link sliding connection in the first lower die plate of second slider lateral wall and connect in the hole flanging module that punches a hole of first punching press portion inner wall, just still be provided with fourth nitrogen spring between first lower die plate and the second slider, through taking off flitch, first lower die plate and the second template that sets up, accomplish punching press and hole flanging process through drift and hole die and the successive contact of hole flanging die when realizing the accurate location to the work piece, not only can reduce the mould space, but also can improve the product precision, better improvement production efficiency and product percent of pass save the mould cost.

During processing, during the downward movement of the upper die holder, the stripper plate and the first lower die plate firstly position a product, the die continues to move downwards, the first nitrogen spring starts to compress the product and presses the product on the first lower die plate, meanwhile, the first driving block starts to contact with the first sliding block and drives the first sliding block to move towards the middle until the second lower die plate contacts and compresses the molded surface of the product, at the moment, the second nitrogen spring is compressed, the first driving block acts on the backrest to fix the first sliding block in the state, meanwhile, the second driving block starts to contact and act on the second sliding block and drives the second sliding block to move towards the middle, the punch starts to contact with the punching female die to complete the punching action, under the action of the balance block, the third nitrogen spring is compressed to enable the punching female die to move backwards in the first sliding block, then the punch starts to contact with the hole-flanging female die to complete the hole-flanging action, the second driving block is separated from the punch, the punch begins to separate from the hole-flanging female die until the punch completely leaves the product area, and the first nitrogen spring starts to return the hole-flanging female die to the highest point of the punching die.

Preferably, the bottom wall of the upper padding plate is further fixedly connected with a first driving block matched with the first punching part and a second driving block matched with the second sliding block, and punching of the product is completed through the first driving block and the second driving block.

Preferably, the first stamping part comprises a first sliding block connected to the top wall of the lower die holder in a sliding manner and a second lower die plate connected to the side wall of the first sliding block in a sliding manner through a telescopic rod, a second nitrogen spring is further arranged between the second lower die plate and the first sliding block, the second lower die plate is matched with the first lower die plate and the stripper plate, and under the action of the second nitrogen spring, the telescopic rod is in a telescopic state when the first sliding block is not extruded, namely, the second lower die plate is far away from the first sliding block.

Further, the hole flanging mould that punches a hole includes sliding connection in the die that punches a hole of first slider inner wall, fixed connection in the die that punches a hole of first slider lateral wall and sets up in the inside third nitrogen spring of first slider, the one end of third nitrogen spring is connected with first slider, and the other end passes through the balancing piece and is fixed continuous with the die that punches a hole, and the drift begins to accomplish the action of punching a hole with the die that punches a hole after, compresses third nitrogen gas and the contact of die that punches a hole and accomplish the hole flanging action under the effect of balancing piece, realizes further accomplishing punching press and hole flanging process, has improved production efficiency.

Furthermore, the top wall of the lower die holder is fixedly connected with a backrest, the backrest is matched with the first driving block and the first sliding block, the first driving block starts to contact the first sliding block, the first sliding block is driven to move towards the middle until the second lower die plate contacts and compresses the product molded surface, the second nitrogen spring is compressed, and the first driving block acts on the backrest to fix the first sliding block in the state.

(3) Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses a second punching press part that sets up, after the drift began to accomplish the action of punching a hole with the punching die, compress third nitrogen gas and hole flanging die contact and accomplish the hole flanging action under the effect of balancing piece, realize one-step completion punching press and hole flanging process, improved production efficiency, solved in the prior art when processing some specific products need the punching die hole flanging die to punch a hole and the hole flanging process, can't realize through the same process, the lower problem of production efficiency;

2. the utility model discloses a what set up takes off flitch, first lower die plate and second template, accomplish punching press and hole flanging process through drift and punch die and hole flanging die contact successively when realizing the accurate location of work piece, not only can reduce the mould space, but also can improve the product precision, better improvement production efficiency and product percent of pass save the mould cost.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the apparatus of the present invention;

FIG. 2 is a cross-sectional view of a closed mold in one embodiment of the apparatus of the present invention;

FIG. 3 is a schematic view of a sectional structure of the die holder in a die opening state according to an embodiment of the present invention;

FIG. 4 is a schematic view of a cross-sectional structure of the upper mold base in a mold opening state according to an embodiment of the present invention;

fig. 5 is an enlarged view of the structure a in fig. 2 in an embodiment of the present invention.

The symbols in the drawings are: 1. an upper die holder; 2. a first nitrogen spring; 3. an upper base plate; 4. a material removing plate; 5. a second driving block; 6. a second slider; 7. a first driving block; 8. a backrest; 9. a first slider; 10. a punch; 11. a telescopic rod; 12. a fourth nitrogen spring; 13. a first lower template; 14. a hole flanging female die; 15. punching a female die; 16. a second lower template; 17. a third nitrogen spring; 18. a second gas spring; 19. and a lower die holder.

Detailed Description

This embodiment is a synchronous stamping die of side blow hole flanging, and its schematic structure is shown in fig. 1-5, and this stamping die includes upper die base 1 and die holder 19, and 1 diapire of upper die base still fixedly connected with upper padding plate 3 still includes:

the stripper plate 4 is connected to the bottom wall of the upper backing plate 3 in a sliding manner through a telescopic rod 11, and a first nitrogen spring 2 is arranged between the stripper plate 4 and the upper backing plate 3;

the first stamping part is connected to the top wall of the lower die base 19 and matched with the stripper plate 4;

the second punching part comprises a second sliding block 6 connected to the top wall of the lower die holder 19 in a sliding manner, a punch 10 fixedly connected to the side wall of the second sliding block 6, a first lower die plate 13 connected to the side wall of the second sliding block 6 in a sliding manner through an expansion link 11, and a punching hole flanging module connected to the inner wall of the first punching part, and a fourth nitrogen spring 12 is arranged between the first lower die plate 13 and the second sliding block 6; the bottom wall of the upper backing plate 3 is also fixedly connected with a first driving block 7 matched with the first punching part and a second driving block 5 matched with the second sliding block 6;

the first stamping part comprises a first sliding block 9 connected to the top wall of a lower die holder 19 in a sliding manner and a second lower template 16 connected to the side wall of the first sliding block 9 in a sliding manner through an expansion link 11, a second nitrogen spring 18 is further arranged between the second lower template 16 and the first sliding block 9, and the second lower template 16 is matched with the first lower template 13 and the stripper plate 4; the punching and hole flanging die comprises a punching female die 15, a hole flanging female die 14 and a third nitrogen spring 17, wherein the punching female die 15 is connected to the inner wall of the first sliding block 9 in a sliding mode, the hole flanging female die 14 is fixedly connected to the side wall of the first sliding block 9, the third nitrogen spring 17 is arranged inside the first sliding block 9, one end of the third nitrogen spring 17 is connected with the first sliding block 9, and the other end of the third nitrogen spring is fixedly connected with the punching female die 15 through a balance block.

In addition, the top wall of the lower die holder 19 is also fixedly connected with a backrest 8, and the backrest 8 is matched with the first driving block 7 and the first sliding block 9.

For the present embodiment, the specifications of the first nitrogen spring 2, the second nitrogen spring 18, the third nitrogen spring 17, and the type and fourth nitrogen spring 12 may be set as needed.

The press mold is shown in a closed state in fig. 1 and 2, and in an open state in fig. 3 to 5.

The working principle is as follows: as shown in the sectional view of the mold opening state A-A, during the downward movement of the upper mold base 1, the stripper plate 4 and the first lower mold plate 13 position the product, the mold continues to move downward, the first nitrogen spring 2 starts to compress to press the product on the first lower mold plate 13, meanwhile, the first driving block 7 starts to contact the first slider 9 to drive the first slider 9 to move toward the middle until the second lower mold plate 16 contacts and presses the molded surface of the product, at the moment, the second nitrogen spring 18 is compressed, the first driving block 7 acts on the backrest 8 to fix the first slider 9, meanwhile, the second driving block 5 and the second slider 6 start to contact and act to drive the second slider 6 to move toward the middle, the punch 10 starts to contact with the punching die 15 to complete the punching action, under the action of the balance block, the third nitrogen spring 17 is compressed to drive the punching die 15 to move backward in the first slider 9, and then the punch 10 contacts with the hole flanging die 14 to complete the hole flanging action, the punching and hole flanging processes are completed in one step, the production efficiency is improved, the problems that the punching and hole flanging processes ofbase:Sub>A punching die hole flanging die are required when certain specific products are processed in the prior art, the punching and hole flanging processes cannot be realized through the same process, and the production efficiency is low are solved, then the die starts to move upwards, the second driving block 5 is separated from the second sliding block 6, the punch 10 starts to be separated from the hole flanging female die 14 until the punch 10 completely leavesbase:Sub>A product area, meanwhile, the first driving block 7 and the first sliding block 9 also start to be separated, under the action of the third nitrogen spring 17, the punched female die 15 pushes the hole flanging product out of the hole flanging female die 14, then the second nitrogen spring 18 resets the first sliding block 9 tobase:Sub>A die opening state, the die moves upwards to reach the highest point ofbase:Sub>A punch press, one working process is finished, the punch 10 is connected with the punching female die 15 and the hole flanging female die 14 successively while the workpiece is accurately positioned, and the work is finished The punching and hole flanging processes are completed through touch, so that not only can the die space be reduced, but also the product precision can be improved, the production efficiency and the product percent of pass can be better improved, and the die cost is saved.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims (5)

1. The utility model provides a synchronous stamping die of side blow hole flanging, this stamping die includes upper die base (1) and die holder (19), its characterized in that, upper die base (1) diapire still fixedly connected with upper padding plate (3), still includes:

the stripper plate (4) is connected to the bottom wall of the upper backing plate (3) in a sliding mode through a telescopic rod (11), and a first nitrogen spring (2) is arranged between the stripper plate (4) and the upper backing plate (3);

the first stamping part is connected to the top wall of the lower die holder (19), and the first stamping part is matched with the stripper plate (4);

the second punching press portion comprises a second sliding block (6) which is connected to the top wall of the lower die holder (19) in a sliding mode, a punch (10) which is fixedly connected to the side wall of the second sliding block (6), a first lower die plate (13) which is connected to the side wall of the second sliding block (6) in a sliding mode through a telescopic rod (11) and a punching hole flanging die set which is connected to the inner wall of the first punching press portion, and a fourth nitrogen spring (12) is further arranged between the first lower die plate (13) and the second sliding block (6).

2. The synchronous stamping die of side piercing hole flanging of claim 1, characterized in that the bottom wall of the upper backing plate (3) is further fixedly connected with a first driving block (7) matched with the first stamping part and a second driving block (5) matched with the second slide block (6).

3. The synchronous punching die for side punching and hole flanging is characterized in that the first punching part comprises a first sliding block (9) connected to the top wall of the lower die holder (19) in a sliding manner and a second lower die plate (16) connected to the side wall of the first sliding block (9) in a sliding manner through an expansion rod (11), a second nitrogen spring (18) is further arranged between the second lower die plate (16) and the first sliding block (9), and the second lower die plate (16) is matched with the first lower die plate (13) and the stripper plate (4).

4. The synchronous stamping die of side piercing and hole flanging of claim 1, characterized in that, the piercing and hole flanging die comprises a piercing female die (15) slidably connected to the inner wall of the first slide block (9), a hole flanging female die (14) fixedly connected to the side wall of the first slide block (9), and a third nitrogen spring (17) arranged inside the first slide block (9), wherein one end of the third nitrogen spring (17) is connected with the first slide block (9), and the other end is fixedly connected with the piercing female die (15) through a balance block.

5. The synchronous stamping die of side piercing hole flanging of claim 4, characterized in that the top wall of the lower die holder (19) is further fixedly connected with a backrest (8), and the backrest (8) is matched with the first driving block (7) and the first sliding block (9).

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