CN219357604U - Stamping die for preventing punch from misplacement for punching peripheral wall of workpiece - Google Patents

Abstract

The utility model discloses a punch dislocation preventing stamping die for punching a peripheral wall of a workpiece, which comprises: the upper stamping module comprises an upper die holder, an upper clamping plate and an upper die plate, wherein the upper clamping plate is fixedly connected with the upper die holder, the upper die plate can be arranged at the bottom of the upper clamping plate in a vertically floating manner, and a female die is arranged at the bottom of the upper die plate; the lower stamping die set comprises a lower die holder and a lower die plate, a male die and a plurality of punch die sets distributed around the male die are arranged at the top of the lower die plate, each punch die set comprises a slide block seat, a slide block and a punch, the slide block is slidingly matched on the slide block seat, and the punch is fixed on the slide block and is arranged opposite to a male die insert arranged on the male die; the upper die holder is provided with a push rod, and the push rod is used for pushing the sliding block to drive the punch to be matched with the punch insert in the die assembly process so as to punch a hole in the peripheral wall of the product. The utility model can always ensure accurate alignment of the punch and the punch insert, can not generate dislocation, is not easy to cause damage of the punch, and can effectively ensure the punching quality.

Description

Stamping die for preventing punch from misplacement for punching peripheral wall of workpiece

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a stamping die for preventing dislocation of a stamping head for stamping a peripheral wall of a workpiece.

Background

For some cover-type workpieces, the peripheral wall holes are usually formed by adopting a stamping die, the punches of the conventional stamping die for punching are arranged on an upper die, the inserts matched with the punches for punching are arranged on a lower die, and the punches and the inserts are driven to be matched in alignment in the die clamping process of the upper die and the lower die to punch the workpiece. The side punching progressive die disclosed in the Chinese patent application publication No. 201720578707.X and application day 2017.05.23 is characterized in that a side punching upper die plate and a wedge fixing plate are arranged below an upper die plate, a side punching wedge matched with the corresponding hole is arranged on the wedge fixing plate, a side punching upper die plate and a side punching sliding block are arranged below the side punching upper die plate, and the side punching sliding block drives a side punching male die to move; the lower die plate is provided with a side punching die backing plate, a side punching lower die plate, a lower limiting block and a die base, and the die base is provided with a side punching die; when the end surfaces of the side punching upper die plate and the lower die limiting block are contacted, the side punching wedge block stops moving downwards, the side punching slide block is driven to move downwards continuously, and the side punching slide block drives the side punching male die to punch the workpiece. The prior art adopts this kind of mode, but can realize punching a hole, because its side punch terrace die sets up on last mould, the side punch die sets up on the lower mould, need guarantee when punching the work piece that side punch terrace die and side punch die counterpoint are accurate, then treat that punch a hole work piece precision requirement is higher, and disallow to exist the foreign matter on the mould, in case waiting that the work piece size deviation of punching a hole is great or the terminal surface of lower mould stopper exists the foreign matter, cause upper and lower mould compound die incompletely, lead to side punch terrace die and side punch die dislocation to appear, cause the damage when punching a hole easily, need often maintain the mould, influence production. Accordingly, there is a need for improvements in the art that overcome the shortcomings of the prior art.

Disclosure of Invention

The utility model aims to solve the problem of providing a punch dislocation prevention stamping die for punching a peripheral wall of a workpiece, so as to overcome the defect that in the prior art, a punch is easy to misplace to cause damage during blanking.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a punch misalignment prevention punch die for punching a peripheral wall of a workpiece, comprising: the upper stamping die set is provided with an upper die holder, an upper clamping plate and an upper die plate from top to bottom in sequence, the upper clamping plate is fixedly connected with the upper die holder, the upper die plate can be arranged at the bottom of the upper clamping plate in a vertically floating mode, and a female die is arranged at the bottom of the upper die plate; the lower stamping die set comprises a lower die holder and a lower die plate fixed at the top of the lower die holder, wherein a male die opposite to the female die is arranged at the top of the lower die plate and is used for placing and positioning a product to be punched; the punch die set comprises a slide block seat, a slide block, a punch and a punch reset mechanism, wherein the slide block is slidingly matched on the slide block seat, and the punch is fixed on the slide block and is arranged opposite to a punch insert arranged on the punch; a push rod is vertically arranged on the upper die holder and used for pushing the sliding block in the die assembly process to drive the punch to be matched with the punch insert so as to punch a hole in the peripheral wall of the product; the punch resetting mechanism is connected with the sliding block and used for driving the sliding block and the punch to reset in the die opening process.

As a further improvement of the utility model, the punch resetting mechanism comprises a first stop screw, a first spring and a guide shaft sleeve, wherein a vertical plate is arranged at the top of the lower die plate, one end of the first stop screw penetrates through the vertical plate to be locked on the sliding block, and the other end of the first stop screw extends to the outer side of the vertical plate; the guide shaft sleeve is sleeved on the first stop screw, and the other end of the first stop screw is used for stopping and limiting; the first spring is sleeved on the guide shaft sleeve, one end of the first spring is elastically propped against the outer side face of the vertical plate, and the other end of the first spring applies an outward elastic acting force to the guide shaft sleeve through a gasket.

As a further improvement of the utility model, one end of the sliding block, which is far away from the punch, is provided with a first inclined surface which is inclined downwards, the bottom of the push rod is provided with a second inclined surface which is consistent with the inclination of the first inclined surface, and the sliding block can be pushed to slide in the sliding block seat by the sliding fit of the second inclined surface and the first inclined surface when the push rod moves downwards.

As a further improvement of the utility model, the upper die plate is connected with the upper clamping plate through a plurality of second stop screws, and a plurality of second springs are arranged between the upper die plate and the upper die holder.

As a further improvement of the utility model, the male die insert is provided with a through hole matched with the punch for punching, the male die is internally provided with a blanking channel communicated with the through hole along the vertical direction, and the blanking channel downwards penetrates through the lower die holder.

As a further improvement of the utility model, a plurality of top blocks capable of floating up and down and third springs which are elastically propped against the bottoms of the top blocks in a one-to-one correspondence manner are arranged in the male die.

The beneficial effects of the utility model are as follows: the utility model provides a stamping die for preventing dislocation of a punch, which is used for punching the peripheral wall of a workpiece, wherein a punch module is arranged on a lower die plate, a punch in the punch module is arranged opposite to a punch insert fixed on a punch, and a push rod of an upper die holder pushes a slide block to drive the punch to be matched with the punch insert to realize punching on the peripheral wall of a product; meanwhile, the upper die plate can float up and down relative to the upper die base, and in the process that the upper punching die set moves downwards, the female die on the upper die plate can be driven to press and position a product first, and then punching is carried out, so that punching quality is guaranteed; in addition, the ejector block is further arranged on the male die, and the punched product can be automatically ejected in the die opening process, so that the product can be conveniently taken out.

Drawings

FIG. 1 is a perspective view of an anti-punch misalignment stamping die for punching a peripheral wall of a workpiece in accordance with the present utility model;

FIG. 2 is a perspective view of the upper punch module of the present utility model;

FIG. 3 is a perspective view of a lower punch die set and a punch die set of the present utility model;

FIG. 4 is a top view of an anti-punch misalignment stamping die for punching a peripheral wall of a workpiece in accordance with the present utility model;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4 in accordance with the present utility model;

FIG. 6 is an enlarged schematic view of a portion of FIG. 5 in accordance with the present utility model;

FIG. 7 is a cross-sectional view taken along the direction B-B of FIG. 4 in accordance with the present utility model;

fig. 8 is a cross-sectional view of a lower punch module of the present utility model.

The following description is made with reference to the accompanying drawings:

1. an upper die holder; 2. an upper clamping plate; 3. an upper template; 4. a female die; 5. a lower die holder; 6. a lower template; 601. a vertical plate; 7. a male die; 701. a blanking channel; 8. a slider seat; 9. a slide block; 901. a first inclined surface; 10. a punch; 11. a male die insert; 1101. a through hole; 12. a push rod; 1201. a second inclined surface; 13. a first spring; 14. a guide sleeve; 15. a first stop screw; 16. a second stop screw; 17. a second spring; 18. a top block; 19. a third spring; 20. a gasket; 100. and (5) a product.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 8, the present utility model provides a punch dislocation preventing stamping die for punching a peripheral wall of a workpiece, which is used for punching a plurality of holes on the peripheral wall of a product 100, and the product 100 is a cover-type structure with a peripheral wall.

The utility model relates to a punch dislocation preventing stamping die for punching a peripheral wall of a workpiece, which comprises: an upper punching die set, a lower punching die set and a plurality of punch die sets arranged on the lower punching die set.

Wherein, go up punching press module from top to bottom and set gradually upper die base 1, punch holder 2 and cope match-plate pattern 3, punch holder 2 passes through a plurality of screws and upper die base 1 fixed connection, and the bottom of punch holder 2 is installed to cope match-plate pattern 3 that can float from top to bottom, and the bottom fixed mounting of cope match-plate pattern 3 has die 4.

The lower stamping die set comprises a lower die holder 5 and a lower die plate 6, wherein the lower die holder 5 is fixedly arranged on two die legs, and the lower die plate 6 is fixedly arranged at the top of the lower die holder 5. The top of the lower template 6 is fixedly provided with a male die 7, and the male die 7 and the female die 4 are arranged oppositely. The male die 7 has a similar appearance to the product 100 to be punched, and is used for placing and positioning the product 100 to be punched, and the female die 4 is matched with the male die 7 to compress the product 100.

The punch modules in this embodiment have, but are not limited to, four sets, evenly distributed around the punch 7. The punch module comprises a slide block seat 8, a slide block 9, a punch 10 and a punch resetting mechanism, wherein the slide block seat 8 is fixed on the lower die plate 6, the slide block 9 is slidingly matched on the slide block seat 8, and the punch 10 is fixed on the slide block 9 and is arranged towards the punch 7. It will be appreciated that since the peripheral wall of the product 100 in this embodiment is tapered, the punch 10 and the slider 9 are both disposed at an angle so that the punch 10 is disposed perpendicularly to the peripheral wall of the product 100 in this embodiment. Four punch inserts 11 are fixedly arranged on the punch 7, and the four punch inserts 11 are arranged in one-to-one opposite to the punches 10 on the four groups of punch modules.

Referring to fig. 2, 3 and 5, four push rods 12 are vertically installed on the upper die holder 1, and lower ends of the four push rods 12 extend downward through the upper clamping plate 2 and the upper die plate 3. The slider 9 is provided with a first inclined surface 901 inclined downward at one end away from the punch 10, and a second inclined surface 1201 corresponding to the first inclined surface 901 in inclination is provided at the bottom of the push rod 12. In the die assembly process, the upper die holder 1 drives the push rod 12 to move downwards, the push rod 12 is in sliding fit with the first inclined plane 901 through the second inclined plane 1201 to push the sliding block 9 to slide in the sliding block holder 8, and then the punch 10 is driven to move towards the punch 7, and the punch 10 is matched with the punch insert 11 to punch holes in the peripheral wall of the product 100. Therefore, the punch 10 and the punch insert 11 matched with the punch 10 for punching are arranged on the lower punching die set, so that the punch 10 and the punch insert 11 can be always guaranteed to be aligned accurately, dislocation cannot occur, the precision of a product to be punched 100 is not required, the punch 10 is not easy to damage, and the orderly production is guaranteed.

Referring to fig. 5 and 6, the punch return mechanism is connected to the slider 9 for driving the slider 9 and the punch 10 to return during the die opening process. Specifically, the punch return mechanism includes a first stop screw 15, a first spring 13 and a guide sleeve 14, a vertical plate 601 is provided at the top of the lower die plate 6, one end of the first stop screw 15 passes through the vertical plate 601 to be locked on the slide block 9, and the other end of the first stop screw 15 extends to the outside of the vertical plate 601. The guide shaft sleeve 14 is sleeved on the first stop screw 15, one end of the guide shaft sleeve 14 is propped against the end face of the sliding block 9, and the other end of the guide shaft sleeve 14 is stopped and limited on the screw head of the other end of the first stop screw 15. The first spring 13 is sleeved on the guide shaft sleeve 14, one end of the first spring 13 is elastically abutted against the outer side surface of the vertical plate 601, and the other end of the first spring 13 applies an outward elastic acting force to the guide shaft sleeve 14 through a gasket 20. During the die opening process, in the upward moving process of the upper punching die set, the pushing force of the push rod 12 on the sliding block 9 is released, and under the elastic force of the first spring 13, the sliding block 9 and the punch 10 are pulled by the first stop screw 15 to reset.

Referring to fig. 5 and 7, the upper die plate 3 is connected with the upper clamping plate 2 through a plurality of second stop screws 16, and a plurality of second springs 17 are installed between the upper die plate 3 and the upper die holder 1. Specifically, a plurality of accommodating holes are formed in the upper clamping plate 2, the second springs 17 are arranged in the accommodating holes in a one-to-one correspondence mode, the upper ends of the second springs 17 are elastically abutted to the bottom of the upper die holder 1, the lower ends of the second springs 17 are elastically abutted to the top of the upper die plate 3, and the upper die plate 3 is kept separated from the upper clamping plate 2 in a die opening state under the limiting action of the elastic force of the second springs 17 and the second stop screws 16. In this way, in the process of downward movement of the upper stamping die set, the female die 4 is driven to be pressed on the product 100, and is matched with the male die 7 to clamp and position the product; in the next moving process, the upper die plate 3 and the female die 4 are kept still, the upper die holder 1 drives the push rod 12 to move downwards continuously, the second spring 17 is compressed, the sliding block 9 and the punch 10 are pushed to punch the peripheral wall of the product 100, and punching quality is guaranteed.

Referring to fig. 6, a through hole 1101 for punching by matching with the punch 10 is provided on the punch insert 11, a blanking channel 701 communicated with the through hole 1101 is provided in the punch 7 in the vertical direction, and the blanking channel 701 penetrates through the lower die holder 5 downward, so that punched scraps can enter the blanking channel 701 through the through hole 1101 and drop downward.

Referring to fig. 3 and 8, four top blocks 18 capable of floating up and down and third springs 19 which are elastically propped against the bottoms of the top blocks 18 in a one-to-one correspondence manner are installed in the male die 7, hanging platforms are arranged at the bottoms of the top blocks 18, and the top blocks 18 limit the top blocks 18 through stopping steps arranged in the hanging platforms and the male die 7. After the die is opened, the ejector block 18 ejects the punched product 100 upwards under the elasticity of the third spring 19 so as to take out the product 100; when the die is closed, the top block 18 can be pressed down to compress the third spring 19 for resetting under the downward pressing of the upper pressing die set.

In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The foregoing description is only of a preferred embodiment of the utility model, which can be practiced in many other ways than as described herein, so that the utility model is not limited to the specific implementations disclosed above. While the foregoing disclosure has been described with reference to certain embodiments, it will be understood by those skilled in the art that various changes and modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model without departing from the technical solution of the present utility model still falls within the scope of the technical solution of the present utility model.

Claims (6)

1. The utility model provides a prevent punching press head dislocation stamping die for work piece perisporium punches a hole, includes punching press module and lower punching press module, upper die base (1), punch holder (2) and cope match-plate pattern (3) have been set gradually from top to bottom to go up punching press module, punch holder (2) with punch holder (1) fixed connection, cope match-plate pattern (3) can the upper and lower floating install the bottom of punch holder (2), just die (4) are installed to the bottom of cope match-plate pattern (3); the lower stamping die set comprises a lower die holder (5) and a lower die plate (6) fixed at the top of the lower die holder (5), wherein a male die (7) opposite to the female die (4) is arranged at the top of the lower die plate (6), and the male die (7) is used for placing and positioning a product (100) to be punched; the method is characterized in that: a plurality of punch modules are arranged on the lower die plate (6) around the punch (7), each punch module comprises a slide block seat (8), a slide block (9), a punch (10) and a punch reset mechanism, the slide block (9) is slidingly matched on the slide block seat (8), and the punch (10) is fixed on the slide block (9) and is arranged opposite to a punch insert (11) arranged on the punch (7); a push rod (12) is vertically arranged on the upper die holder (1), and the push rod (12) is used for pushing the sliding block (9) to drive the punch (10) to be matched with the punch insert (11) in the die assembly process so as to punch a hole on the peripheral wall of the product (100); the punch resetting mechanism is connected with the sliding block (9) and is used for driving the sliding block (9) and the punch (10) to reset in the die opening process.

2. A punch misalignment prevention punch die for punching a peripheral wall of a workpiece as claimed in claim 1, wherein: the punch resetting mechanism comprises a first stop screw (15), a first spring (13) and a guide shaft sleeve (14), a vertical plate (601) is arranged at the top of the lower die plate (6), one end of the first stop screw (15) penetrates through the vertical plate (601) to be locked on the sliding block (9), and the other end of the first stop screw (15) extends to the outer side of the vertical plate (601); the guide shaft sleeve (14) is sleeved on the first stop screw (15), and the other end of the first stop screw (15) is used for stopping and limiting; the guide shaft sleeve (14) is sleeved with the first spring (13), one end of the first spring (13) is elastically abutted to the outer side face of the vertical plate (601), and the other end of the first spring (13) applies an outward elastic acting force to the guide shaft sleeve (14) through a gasket (20).

3. A punch misalignment prevention punch die for punching a peripheral wall of a workpiece as claimed in claim 1, wherein: one end of the sliding block (9) far away from the punch (10) is provided with a first inclined surface (901) which is inclined downwards, the bottom of the push rod (12) is provided with a second inclined surface (1201) which is consistent with the inclination of the first inclined surface (901), and the sliding block (9) can be pushed to slide in the sliding block seat (8) through the sliding fit of the second inclined surface (1201) and the first inclined surface (901) when the push rod (12) moves downwards.

4. A punch misalignment prevention punch die for punching a peripheral wall of a workpiece as claimed in claim 1, wherein: the upper die plate (3) is connected with the upper clamping plate (2) through a plurality of second stop screws (16), and a plurality of second springs (17) are arranged between the upper die plate (3) and the upper die holder (1).

5. A punch misalignment prevention punch die for punching a peripheral wall of a workpiece as claimed in claim 1, wherein: the punch is characterized in that a through hole (1101) for punching by matching with the punch head (10) is formed in the punch insert (11), a blanking channel (701) communicated with the through hole (1101) is formed in the punch (7) in the vertical direction, and the blanking channel (701) penetrates through the lower die holder (5) downwards.

6. A punch misalignment prevention punch die for punching a peripheral wall of a workpiece as claimed in claim 1, wherein: a plurality of top blocks (18) which can float up and down are arranged in the male die (7), and third springs (19) which are elastically propped against the bottoms of the top blocks (18) in a one-to-one correspondence manner.