CN214556639U

CN214556639U - Self-made barb wedge punching mechanism

Info

Publication number: CN214556639U
Application number: CN202022430514.4U
Authority: CN
Inventors: 蔡学科
Original assignee: Wuxi Zhenhua Auto Parts Co ltd
Current assignee: Wuxi Zhenhua Auto Parts Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-11-02
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a self-control barb slide wedge mechanism of punching a hole belongs to the punching press production field, it includes the mount pad, go up the mount pad through guide and upper die base sliding connection, upper mount pad lower surface length direction one end is connected with the combination drift, the slope of combination drift sets up downwards, install the die insert that cooperates the combination drift to carry out the side punching a hole processing to the work piece on the lower mould, the mount pad lower surface is kept away from combination drift department and is connected with slide wedge actuating mechanism, slide wedge actuating mechanism includes main slider and drive block, the drive block is fixed connection on the die holder, main slider and drive block laminating and slant lift; the mounting groove has been seted up to last mount pad perpendicular to length direction one end, installs nitrogen gas spring in the mounting groove, and nitrogen gas spring one end links to each other with the tank bottom of mounting groove, and the other end links to each other with the upper die base. The utility model discloses have and compare with prior art effectively save the effect that the slide wedge arranged space, reduced the mould cost.

Description

Self-made barb wedge punching mechanism

Technical Field

The utility model relates to a punching press production technical field, in particular to self-control barb slide wedge mechanism of punching a hole.

Background

The stamping process is a production technology for obtaining a product part with certain shape, size and performance by directly subjecting a plate material to a deformation force in a die by means of the power of conventional or special stamping equipment, wherein the die used for stamping is called a stamping die and is a special tool for stamping parts required by a material batch processing station. In the prior art, when a side punching process is performed, a tapered wedge is usually placed in a material pressing core to meet the processing requirement.

The above prior art has the following problems: because the slide wedge is put to pressing in the material core for pressing the material core and need wrapping whole inclined casting, the left and right sides piece closes the interval between the product need increase a lot when accomplishing side punching on one set of mould, presses the material in-core still need increase inner guide post, leads to the mould cost to increase, and this problem is waited to solve urgently.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a self-control barb slide wedge mechanism of punching a hole has and compares with prior art effectively to save the slide wedge and arrange the effect that the space, reduce the mould cost.

A self-made barb wedge punching mechanism comprises an upper mounting seat, wherein the upper mounting seat is connected with an upper die base in a sliding manner through a guide piece, one end of the lower surface of the upper mounting seat in the length direction is connected with a combined punch, the combined punch is arranged obliquely downwards, a die insert matched with the combined punch for side punching on a workpiece is mounted on a lower die base, the lower surface of the upper mounting seat, away from the combined punch, is connected with a wedge driving mechanism, the wedge driving mechanism comprises a main sliding block and a driving block, the driving block is fixedly connected to the lower die base, and the main sliding block is attached to the driving block and ascends and descends obliquely;

the mounting groove has been seted up to last mount pad perpendicular to length direction one end, install nitrogen spring in the mounting groove, nitrogen spring one end links to each other with the tank bottom of mounting groove, and the other end links to each other with the upper die base, under the nitrogen spring compression state main slider slides along the drive block slant downwards, the combination drift punches a hole to the product.

The utility model discloses further set up to: the limiting groove has been seted up to main slider, the limiting groove is waist type groove and sets up the direction the same with the direction of rise of main slider, be connected with the locating part on the drive block lateral wall, the locating part includes connecting portion and spacing portion, connecting portion one end links to each other with the drive block lateral wall, and the other end links to each other with spacing portion, spacing portion slides and connects in spacing inslot.

The utility model discloses further set up to: the driving block is attached to one side of the main sliding block and is fixedly connected with a V-shaped convex guide plate along the gradient direction, and a guide groove matched with the V-shaped convex guide plate is formed in the main sliding block.

The utility model discloses further set up to: waist type hole has been seted up to the upper die base perpendicular to length direction, the guide sets up to the bolt, the guide passes waist type hole and slides along waist type hole length direction.

The utility model discloses further set up to: the nitrogen spring is kept away from to go up the mount pad one end fixed connection stopper, correspond stopper fixedly connected with protection piece in the upper die base.

The utility model discloses further set up to: waist type hole upper surface integrated into one piece has the protection step, stopper lower surface and the laminating of protection step upper surface.

The utility model discloses further set up to: and guide plates are connected to the top wall of the upper mounting seat and the two side walls in the length direction.

When a product needs to be subjected to side punching, a workpiece is placed on a female die insert on a lower die holder, a nitrogen spring is compressed, a main sliding block moves downwards along the connecting direction of a V-shaped convex guide plate and a guide groove, the limiting part of a limiting part slides in place after contacting with the top end of the guide groove, the combined punch is matched with the female die insert to perform punching processing on the product, and a guide part moves to one end of a kidney-shaped hole; make nitrogen gas spring resume original length after finishing punching a hole, main slider is reverse to be risen, and the guide removes to the waist type hole other end and rises, and the spacing portion of locating part contacts with the bottom of guide way this moment, and the stopper laminates with the protection piece, replaces the side blow hole technique among the prior art, need not to install in pressing the material in-core, effectively reduces volume, reduction cost.

To sum up, the utility model discloses following beneficial effect has:

1. the upper mounting seat and the wedge driving mechanism which are connected with the upper die holder through the guide piece replace the design that the existing side punching wedge is arranged in the material pressing core during the protection, so that the whole volume and the cost of the die are reduced;

2. the lifting distance of the upper mounting seat is limited by a limiting piece connected to the driving block and a limiting groove formed in the side wall of the main sliding block;

3. through the setting of the protruding baffle of V type and guide way, restrict the direction of rise or fall of main slider, the difficult dislocation condition that produces.

Drawings

Fig. 1 is a schematic structural diagram for embodying the whole of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

In the figure, 1, an upper mounting seat; 11. a guide member; 12. assembling a punch; 13. mounting grooves; 131. a nitrogen spring; 14. a limiting block; 15. a guide plate; 2. a cam drive mechanism; 21. a main slider; 211. a limiting groove; 212. a guide groove; 22. a drive block; 221. a limiting member; 222. a connecting portion; 223. a limiting part; 224. a V-shaped convex guide plate; 3. an upper die holder; 31. a kidney-shaped hole; 311. a protection step; 312. a protection block; 4. a lower die holder; 41. and (4) a die insert.

Detailed Description

The present invention will be described in detail with reference to the attached drawings, and other advantages and effects of the present invention can be easily understood by those skilled in the art from the disclosure of the present specification. In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also regarded as the scope of the present invention without substantial changes in the technical content.

Example (b):

as shown in fig. 1 and 2, for the utility model discloses a self-control barb slide wedge mechanism of punching a hole of well design, including last mount pad 1, it passes through

guide

11 and 3 sliding connection of upper die base to go up

mount pad

1, 1 lower surface length direction one end of last mount pad is connected with combination drift 12, combination drift 12 slopes to set up downwards, install on the die holder 4 and cooperate combination drift 12 to carry out the die insert 41 of side blow spot facing work to the work piece, it keeps away from combination drift 12 department and is connected with slide wedge actuating mechanism 2 to go up 1 lower surface of mount pad, slide wedge actuating mechanism 2 includes main slider 21 and drive block 22, drive block 22 fixed connection is on lower die holder 4, main slider 21 laminates and slant lift with drive block 22.

As shown in fig. 2 and 3, an installation groove 13 is formed in one end of the upper installation base 1 perpendicular to the length direction, a nitrogen spring 131 is installed in the installation groove 13, one end of the nitrogen spring 131 is connected with the bottom of the installation groove 13, the other end of the nitrogen spring is connected with the upper die base 3, the main sliding block 21 slides downwards along the driving block 22 in an inclined mode in a nitrogen compression state, and the combined punch 12 punches a hole in a product. Limiting groove 211 has been seted up to main slider 21, and limiting groove 211 is waist type groove and sets up the direction the same with main slider 21's direction of rise, is connected with locating part 221 on the driving block 22 lateral wall, and locating part 221 includes connecting portion 222 and spacing portion 223, and connecting portion 222 one end links to each other with driving block 22 lateral wall, and the other end links to each other with spacing portion 223, and spacing portion 223 slides and connects in limiting groove 211.

As shown in fig. 2 and 3, a V-shaped convex guide plate 224 is fixedly connected to the side of the driving block 22, which is attached to the main slider 21, along the gradient direction, and a guide groove 212 adapted to the V-shaped convex guide plate 224 is formed in the main slider 21. Waist type hole 31 has been seted up to upper die base 3 perpendicular to length direction, and guide 11 sets up to the bolt, and guide 11 passes waist type hole 31 and slides along waist type hole 31 length direction. The upper surface of the waist-shaped hole 31 is integrally formed with a protection step 311, and the lower surface of the limiting block 14 is attached to the upper surface of the protection step 311. Go up mount pad 1 and keep away from nitrogen gas spring 131 one end fixed connection stopper 14, correspond stopper 14 fixed connection and have protection piece 312 in upper die base 3. The top wall and the two side walls in the length direction of the upper mounting seat 1 are both connected with guide plates 15.

The implementation principle of the above embodiment is as follows: when a product needs to be laterally punched, a workpiece is placed on the die insert 41 on the lower die holder 4, the nitrogen spring 131 is compressed, the main sliding block 21 moves downwards along the connecting direction of the V-shaped convex guide plate 224 and the guide groove 212, when the limiting part 223 of the limiting part 221 contacts with the top end of the guide groove 212, the main sliding block slides in place, at the moment, the combined punch 12 is matched with the die insert 41 to punch the product, and the guide part 11 moves to one end of the kidney-shaped hole 31; after punching, the nitrogen spring 131 is made to recover the original length, the main sliding block 21 reversely rises, the guide piece 11 moves to the other end of the kidney-shaped hole 31 and rises, the limiting part 223 of the limiting piece 221 contacts with the bottom end of the guide groove 212, the limiting block 14 is attached to the protection block 312, the side punching technology in the prior art is replaced, the side punching technology is not required to be installed in a material pressing core, the size is effectively reduced, and the cost is reduced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a self-control barb slide wedge mechanism of punching a hole which characterized in that: the punching die comprises an upper mounting seat (1), wherein the upper mounting seat (1) is connected with an upper die holder (3) in a sliding manner through a guide piece (11), one end of the length direction of the lower surface of the upper mounting seat (1) is connected with a combined punch (12), the combined punch (12) is arranged obliquely downwards, a die insert (41) matched with the combined punch (12) for side punching on a workpiece is mounted on a lower die holder (4), a wedge driving mechanism (2) is connected to the position, far away from the combined punch (12), of the lower surface of the upper mounting seat (1), the wedge driving mechanism (2) comprises a main sliding block (21) and a driving block (22), the driving block (22) is fixedly connected onto the lower die holder (4), and the main sliding block (21) is attached to the driving block (22) and obliquely ascends and descends;

go up mount pad (1) perpendicular to length direction one end and seted up mounting groove (13), install nitrogen spring (131) in mounting groove (13), the tank bottom of nitrogen spring (131) one end and mounting groove (13) links to each other, and the other end links to each other with upper die base (3), under nitrogen spring (131) compression state main slider (21) are followed drive block (22) and are slided downwards to one side, combination drift (12) punch a hole to the product.

2. The self-made barb wedge punching mechanism of claim 1, which is characterized in that: spacing groove (211) have been seted up in main slider (21), spacing groove (211) are waist type groove and set up the direction the same with the direction of rise and fall of main slider (21), be connected with locating part (221) on drive block (22) lateral wall, locating part (221) are including connecting portion (222) and spacing portion (223), connecting portion (222) one end links to each other with drive block (22) lateral wall, and the other end links to each other with spacing portion (223), spacing portion (223) slide and connect in spacing groove (211).

3. The self-made barb wedge punching mechanism of claim 2, which is characterized in that: the driving block (22) is attached to one side of the main sliding block (21) along the gradient direction and is fixedly connected with a V-shaped convex guide plate (224), and a guide groove (212) matched with the V-shaped convex guide plate (224) is formed in the main sliding block (21).

4. The self-made barb wedge punching mechanism of claim 3, characterized in that: waist type hole (31) have been seted up to upper die base (3) perpendicular to length direction, guide (11) set up to the bolt, guide (11) pass waist type hole (31) and slide along waist type hole (31) length direction.

5. The self-made barb wedge punching mechanism of claim 4, which is characterized in that: go up mount pad (1) and keep away from nitrogen gas spring (131) one end fixed connection stopper (14), correspond stopper (14) fixedly connected with protection piece (312) in upper die base (3).

6. The self-made barb wedge punching mechanism of claim 5, characterized in that: waist type hole (31) upper surface integrated into one piece has protection step (311), stopper (14) lower surface and the laminating of protection step (311) upper surface.

7. The self-made barb wedge punching mechanism of claim 6, which is characterized in that: and guide plates (15) are connected to the top wall of the upper mounting seat (1) and two side walls in the length direction.