Punching die head and punching gun

Abstract

The utility model discloses a punching die head and a punching gun. The punching die head comprises a base, a punching seat and a gasket, the base is provided with a punching groove and a chip groove communicating with the punching groove and the outside. A punching head is arranged on the punching seat; the gasket is detachably arranged at the end of the punching head, and the outer diameter of the gasket and the outer diameter of the punching head are gradually increased in the punching direction. The punching head can drive at least part of the gasket to stretch into the punching groove when the punching base gets close to the base so as to cut the part to be punched. By means of the structure, the part to be punched is cut under the cooperation of the gasket and the edge of the punching groove, the gasket is discharged through the chip discharging groove along with cut waste, the punching head can be smoothly separated from the punching groove, the situation that the punching head is clamped in the punching groove is avoided, and using convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile sheet metal repair, in particular to a punching die head and a punching gun. Background Art

[0002] With the increasing number of passenger cars in my country, there are more and more vehicles on the road, and the probability of traffic accidents is also increasing. Each accident will cause varying degrees of damage to the vehicle, especially when the parts are seriously damaged and need to be replaced. The new parts are combined with the car body through rivets, which requires punching rivet holes on the new parts, docking them with the rivet holes on the car body, and then riveting them together.

[0003] However, in the existing punching gun, its die head includes a base and a punching seat, the base is provided with a groove, the punching seat is provided with a punching head, the sheet metal to be punched is placed between the groove and the punching head, and the punching seat is driven close to the base to make the edges of the punching head and the groove squeeze each other, thereby cutting a riveting hole with the same diameter as the groove on the sheet metal to be punched. However, the punching head is a columnar structure with equal front and rear diameters, so that when the punching head is extended into the groove, it is easy to interact with the cutting residue on the sheet metal to be punched and get stuck in the groove, and then cannot be detached from the groove, which brings great inconvenience to the punching operation. Therefore, a new punching die head and a punching gun are urgently needed to solve the above problems. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a punching die head and a punching gun.

[0005] An embodiment of the utility model solves the technical problem by adopting a technical solution: a punching die head, comprising a base, a punching seat and a gasket;

[0006] The base is provided with a punching groove and a chip removal groove communicating with the punching groove and the outside;

[0007] A punching head is arranged on the punching seat;

[0008] The washer is detachably mounted on the end of the punching head and the outer diameters of the washer and the punching head gradually increase along the punching direction;

[0009] The punching head can drive the washer to at least partially extend into the punching groove when the punching seat is close to the base, so as to cut the piece to be punched.

[0010] As one of the preferred embodiments of the utility model, a cutting edge is provided on the outer edge of the washer close to the base.

[0011] As one of the preferred embodiments of the utility model, a positioning protrusion is provided on the punching head, and a positioning groove is provided on the washer. When the washer is installed on the punching head, the positioning protrusion extends into the positioning groove.

[0012] As one of the preferred embodiments of the utility model, the chip removal groove penetrates the base and the penetration direction is perpendicular to the punching direction.

[0013] As one of the preferred embodiments of the utility model, a first threaded connection column is arranged on the base, and a second threaded connection column is arranged on the punching seat.

[0014] As one of the preferred embodiments of the utility model, a first limiting portion is provided on the base, and a second limiting portion is provided on the punching seat.

[0015] A punching gun comprises the punching die head.

[0016] The beneficial effects of the utility model include: a punching die head and a punching gun, the punching die head comprising a base, a punching seat and a gasket; a punching groove and a chip removal groove connected to the punching groove and the outside are provided on the base; a punching head is provided on the punching seat; the gasket is detachably mounted on the end of the punching head and the outer diameters of the gasket and the punching head gradually increase along the punching direction; the punching head can drive the gasket to at least partially extend into the punching groove when the punching seat is close to the base to cut the piece to be punched; through the above structure, the piece to be punched is cut under the cooperation of the gasket and the edge of the punching groove, and the gasket is discharged through the chip removal groove along with the cut waste, so that the punching head can be smoothly detached from the punching groove, avoiding the situation where the punching head is stuck in the punching groove, thereby improving the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 It is a structural schematic diagram of a punching gun;

[0019] Figure 2 An exploded view of a punching die head in a non-punching state;

[0020] Figure 3 It is a cross-sectional view of a punching die head in the punching state. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] In the description of the present utility model, the meaning of "more than" is more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0023] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0025] Reference Figures 1 to 3 , a punching die head, comprising a base 10, a punching seat 20 and a gasket 30;

[0026] The base 10 is provided with a punching groove 11 and a chip removal groove 12 connected with the punching groove 11 and the outside;

[0027] A punching head 21 is provided on the punching seat 20;

[0028] The washer 30 is detachably mounted on the end of the punching head 21 and the outer diameters of the washer 30 and the punching head 21 gradually increase along the punching direction;

[0029] When the punching seat 20 is close to the base 10 , the punching head 21 can drive the washer 30 to at least partially extend into the punching slot 11 to cut the workpiece to be punched.

[0030] In the present utility model, when used, refer to Figure 1, the punching die head is installed on the gun body of the punching gun, and the punching seat 20 is driven to approach the base 10 through the gun body of the punching gun. Specifically, the workpiece to be punched is placed between the base 10 and the punching seat 20, and the gasket 30 is installed on the punching head 21. Then, the gun body of the punching gun is started to drive the punching seat 20 to move toward the base 10, so that the gasket 30 extends into the punching slot 11, so that the workpiece to be punched is cut under the cooperation between the gasket 30 and the edge of the punching slot 11, and the gasket 30 is detachably installed on the punching head 21, so that after the workpiece to be punched is cut, the gasket 30 is discharged from the base 10 through the punching slot 11 and the chip discharge slot 12 together with the cut residual material, and the punching head 21 is in the punching gun It is driven by the gun body to reset in the reverse direction; it should be noted that if the washer 30 is stuck in the punching groove 11, a second washer 30 can be used to be installed on the punching head 21, so that the second washer 30 is placed on the first washer 30, that is, the cutting is achieved by the cooperation of the second washer 30 and the punching groove 11, so that the first washer 30 is pushed up and discharged from the punching groove 11; the advantage of the utility model is that: through the above structure, the part to be punched is cut under the cooperation of the washer and the edge of the punching groove, and the washer is discharged through the chip discharge groove along with the cut waste, so that the punching head can be smoothly detached from the punching groove, avoiding the situation that the punching head is stuck in the punching groove, and improving the convenience of use.

[0031] Preferably, a cutting edge 31 is provided on the outer edge of the washer 30 close to the base 10 , which can improve the cutting effect when the washer 30 cooperates with the punching groove 11 .

[0032] The punching head 21 is provided with a positioning protrusion 41 , and the washer 30 is provided with a positioning groove 42 . When the washer 30 is mounted on the punching head 21 , the positioning protrusion 41 extends into the positioning groove 42 .

[0033] The chip groove 12 penetrates the base 10 and the penetration direction is perpendicular to the punching direction; this arrangement enables the cut waste and the gasket 30 to be directly discharged and dropped after the cutting is completed.

[0034] A first threaded connection column 51 is provided on the base 10, and a second threaded connection column 52 is provided on the punching seat 20; the first threaded connection column 51 and the second threaded connection column 52 enable the base 10 and the punching seat 20 to be respectively installed on opposite sides of the gun body of the punching gun.

[0035] The base 10 is provided with a first limiting portion 61 , and the punching seat 20 is provided with a second limiting portion 62 ; this arrangement can be used to limit the rotation of the base 10 and the punching seat 20 on the gun body of the punching gun.

[0036] A punching gun comprises the punching die head.

[0037] Of course, the present invention is not limited to the above-mentioned embodiments, and technicians familiar with the field may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A punching die head, characterized in that: It comprises a base (10), a punching seat (20) and a gasket (30); The base (10) is provided with a punching groove (11) and a chip removal groove (12) communicating with the punching groove (11) and the outside; The punching seat (20) is provided with a punching head (21); The washer (30) is detachably mounted on the end of the punching head (21), and the outer diameters of the washer (30) and the punching head (21) gradually increase along the punching direction; When the punching seat (20) is close to the base (10), the punching head (21) can drive the washer (30) to at least partially extend into the punching slot (11) to cut the piece to be punched.

2. A punching die head according to claim 1, characterized in that: A cutting edge (31) is provided on the outer edge of the washer (30) on the side close to the base (10).

3. A punching die head according to claim 1, characterized in that: The punching head (21) is provided with a positioning protrusion (41), and the washer (30) is provided with a positioning groove (42). When the washer (30) is installed on the punching head (21), the positioning protrusion (41) extends into the positioning groove (42).

4. A punching die head according to claim 1, characterized in that: The chip removal groove (12) penetrates the base (10) and the penetration direction is perpendicular to the punching direction.

5. The punching die head according to claim 1, characterized in that: The base (10) is provided with a first threaded connection column (51), and the punching seat (20) is provided with a second threaded connection column (52).

6. A punching die head according to claim 1, characterized in that: The base (10) is provided with a first limiting portion (61), and the punching seat (20) is provided with a second limiting portion (62).

7. A punching gun, characterized in that: The invention comprises a punching die head as described in any one of claims 1 to 6.

Images