CN212733787U

CN212733787U - Punching head

Info

Publication number: CN212733787U
Application number: CN202021024118.5U
Authority: CN
Inventors: 周瑞华; 许胭菊; 黄晓燕
Original assignee: Fulaike Suzhou Cutting Tools Co ltd
Current assignee: Fulaike Suzhou Cutting Tools Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-03-19
Anticipated expiration: 2030-06-05

Abstract

The utility model relates to a drift punches a hole, it includes the drift body, and the drift body includes drift portion, rib and the connecting portion that set gradually along the direction of punching a hole, and the rib is trapezoidal. The utility model discloses have the effect that helps improving drift life.

Description

Punching head

Technical Field

The utility model belongs to the technical field of the technique of the drift that punches and specifically relates to a drift punches a hole.

Background

The bolt thread insert is a special fastener with threads on the inner side and the outer side, four or two bolt keys are arranged on the outer threads, the bolt thread insert is arranged in the tapped bottom hole, and then the two bolts are pressed in to play a strong fastening role. The bolt thread insert is generally made of stainless steel or carbon steel, two oppositely arranged mounting holes for accommodating the bolt are required to be formed in the bottom hole in advance before the bolt is pressed into the external thread, and a special punch is generally required to punch the hole during punching.

The prior Chinese patent with the publication number of CN201380236Y discloses a punching punch, which comprises a guide part and a working part, wherein the working part comprises a hole extruding area and a punching area, an oil groove is arranged between the hole extruding area and the punching area, the hole extruding area is cylindrical and is connected with the cylindrical guide part, the outer diameter of the punching area is the minimum limit value of the hole diameter of the punched hole, and the outer diameter of the hole extruding area is the maximum limit value of the hole diameter of the punched hole.

The above prior art solutions have the following drawbacks: the hole extruding area is directly connected with the guide part without arranging corresponding reinforcing ribs, and the pressure borne by the punching area and the hole extruding area is directly transmitted to the guide part due to larger impact force in the punching process, but the load capacity of the connecting surface between the punching area and the guide part is limited, and the connecting surface is likely to break in the punching process, so that the service life of the punch is shorter.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a punch drift, it has the advantage that helps improving drift life to the not enough that prior art exists.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a punching head, includes the drift body, the drift body includes drift portion, rib and the connecting portion that set gradually along the direction of punching a hole, the rib is trapezoidal.

Through adopting above-mentioned technical scheme, trapezoidal reinforcing part sets up the back, passes through the reinforcing part transition between the drift portion connecting portion when punching a hole, and the reinforcing part can form a buffering region for on the impact force of the in-process of punching a hole gradually passes through to connecting portion, and then reduces the fracture between drift portion and the connecting portion, improves the life of drift.

The present invention may be further configured in a preferred embodiment as: the end face of the punch part far away from the reinforcing part is obliquely arranged, and the length of one end, close to the mounting hole, of the punch part in the punching direction is larger than the length of one end, far away from the mounting hole, of the punch part in the punching direction.

Through adopting above-mentioned technical scheme, the terminal surface slope that reinforcing part was kept away from to drift portion sets up the back and can form most advanced when punching a hole, and under the same circumstances of pressure, the pressure that most advanced production is bigger, changes and punches a hole.

The present invention may be further configured in a preferred embodiment as: the side face of the punch head part close to the mounting hole is arc-shaped.

By adopting the technical scheme, the mounting hole is arc-shaped, so that the side surface of the punch head is required to be arc-shaped.

The present invention may be further configured in a preferred embodiment as: the side wall of the connecting part is provided with a fixing groove.

Through adopting above-mentioned technical scheme, can cooperate and then more stable with the drift is fixed with corresponding position on the anchor clamps after the fixed slot sets up.

The present invention may be further configured in a preferred embodiment as: the punch portion, the reinforcing portion and the connecting portion are integrally formed.

Through adopting above-mentioned technical scheme, intensity is better after integrated into one piece sets up, helps improving the life-span of drift.

The present invention may be further configured in a preferred embodiment as: the punch head part and the reinforcing part are integrally formed, and the reinforcing part is detachably connected with the connecting part.

Through adopting above-mentioned technical scheme, because the drift portion is the impact position, damage more easily, drift portion and rib integrated into one piece, and the rib can be dismantled with connecting portion and be connected, can carry out the change of drift portion, and then improve the life of connecting portion.

The present invention may be further configured in a preferred embodiment as: the end face, close to the reinforcing portion, of the connecting portion is provided with a thread groove, and one end, close to the connecting portion, of the reinforcing portion extends into the thread groove and is in threaded connection with the thread groove.

Through adopting above-mentioned technical scheme, can carry out the dismantlement of rib and connecting portion after the threaded connection and connect.

The present invention may be further configured in a preferred embodiment as: the end surface of the connecting part, which is close to the reinforcing part, is provided with a connecting groove, one end of the reinforcing part, which is close to the connecting part, extends to the connecting part to form an inserting block, and the inserting block is correspondingly inserted into the connecting groove; a plurality of screw grooves are formed in the outer side wall of the connecting portion, each screw groove extends to the inserting block, and a screw is connected to the inside of each screw groove in a threaded mode.

Through adopting above-mentioned technical scheme, can realize dismantling of rib and connecting portion and be connected through the cooperation of screw and thread groove.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the punch head, the reinforcing part and the connecting part are arranged, so that the service life of the punch body can be prolonged;

2. through the setting of fixed slot, can with the corresponding position inlay card on the anchor clamps, and then improve the fixed effect of drift body.

Drawings

Fig. 1 is a schematic view showing the overall structure of a piercing punch according to an embodiment;

FIG. 2 is an elevation view of a punch according to one embodiment;

FIG. 3 is a top view of the punch shown in the first embodiment;

fig. 4 is an exploded view of the piercing punch shown in the second embodiment;

fig. 5 is an exploded view of the piercing punch according to the third embodiment.

In the drawings, 1, a punch body; 11. punching the head part; 12. a reinforcing portion; 13. a connecting portion; 14. a thread groove; 15. connecting grooves; 16. inserting a block; 17. a screw groove; 18. a screw; 19. and fixing the grooves.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example one

Referring to fig. 1 and 2, for the utility model discloses a punch, including punch body 1, punch body 1 includes punch portion 11, rib 12 and connecting portion 13 that set gradually along the direction of punching a hole, and rib 12 is trapezoidal, combines fig. 3, and rib 12 is provided with four adjacent tangent planes along the direction of punching a hole. The terminal surface slope setting that the portion 11 of punching a hole is kept away from reinforcing part 12, and the length of the one end that the portion 11 of punching a hole is close to the mounting hole is greater than the one end that the portion 11 of punching a hole is kept away from the mounting hole along the ascending length of the direction that punches a hole, and the one end that the portion 11 of punching a hole is close to the mounting hole promptly is most advanced. The side surface of the punch part 11 close to the mounting hole is arc-shaped and matched with the shape of the mounting hole to be punched. The side wall of the connecting part 13 is provided with a fixing groove 19 which is matched with a clamp for clamping the punch body 1 in a clamping and embedding manner and is used for fixing the punch body 1. The punch portion 11, the reinforcement portion 12, and the connecting portion 13 are integrally formed.

The implementation principle of the above embodiment is as follows: the utility model provides a punching punch includes drift body 1, and drift body 1 includes drift portion 11, rib 12 and the connecting portion 13 that set gradually along the drift direction, and rib 12 is trapezoidal. The punch portion 11, the reinforcement portion 12, and the connecting portion 13 are integrally formed.

Example two

Referring to fig. 4, the difference between the second embodiment and the first embodiment is: the punch part 11 and the reinforcing part 12 are integrally formed, and the reinforcing part 12 is detachably connected with the connecting part 13. The end face, close to the reinforcing portion 12, of the connecting portion 13 is provided with a thread groove 14, an inner thread is arranged on the inner side wall of the thread groove 14, one end, close to the connecting portion 13, of the reinforcing portion 12 extends into the thread groove 14, and an outer thread and thread groove 14 are arranged on the outer side wall of one end, extending into the thread groove 14, of the reinforcing portion 12 and in threaded connection with the thread groove 14.

The implementation principle of the above embodiment is as follows: the utility model provides a punching punch includes drift body 1, and drift body 1 includes drift portion 11, rib 12 and the connecting portion 13 that set gradually along the drift direction, and rib 12 is trapezoidal. The punch portion 11 and the reinforcing portion 12 are integrally formed, and the connecting portion 13 is screwed with the screw groove 14.

EXAMPLE III

Referring to fig. 5, the difference between the third embodiment and the first embodiment is: the punch part 11 and the reinforcing part 12 are integrally formed, and the reinforcing part 12 is detachably connected with the connecting part 13. Connecting groove 15 is opened on the end face of connecting portion 13 near reinforcing portion 12, and the one end of reinforcing portion 12 near connecting portion 13 extends to connecting portion 13 and forms inserting block 16, inserts block 16 and correspondingly inserts in connecting groove 15. Four screw grooves 17 are formed in the outer side wall of the connecting portion 13, the four screw grooves 17 are distributed at equal intervals, each screw groove 17 extends to the inserting block 16, and a screw 18 is connected to each screw groove 17 in a threaded mode.

The implementation principle of the above embodiment is as follows: the utility model provides a punching punch includes drift body 1, and drift body 1 includes drift portion 11, rib 12 and the connecting portion 13 that set gradually along the drift direction, and rib 12 is trapezoidal. The punch part 11 and the reinforcement part 12 are integrally formed, and the insert block 16 and the connecting part 13 are screwed by four screws 18.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A punch comprising a punch body (1), characterized in that: the punch comprises a punch body (1) and is characterized in that the punch body comprises a punch head part (11), a reinforcing part (12) and a connecting part (13) which are sequentially arranged along the punching direction, the reinforcing part (12) is trapezoidal, and a fixing groove (19) is formed in the side wall of the connecting part (13).

2. A punch as claimed in claim 1, wherein: the end face of the punch part (11) far away from the reinforcing part (12) is obliquely arranged, and the length of one end, close to the mounting hole, of the punch part (11) in the punching direction is larger than the length of one end, far away from the mounting hole, of the punch part (11) in the punching direction.

3. A punch as claimed in claim 1, wherein: the side surface of the punch head part (11) close to the mounting hole is arc-shaped.

4. A punch as claimed in claim 1, wherein: the punch part (11), the reinforcing part (12) and the connecting part (13) are integrally formed.

5. A punch as claimed in claim 1, wherein: the punch part (11) and the reinforcing part (12) are integrally formed, and the reinforcing part (12) is detachably connected with the connecting part (13).

6. A punch as claimed in claim 5, wherein: the end face, close to the reinforcing portion (12), of the connecting portion (13) is provided with a thread groove (14), and one end, close to the connecting portion (13), of the reinforcing portion (12) extends into the thread groove (14) and is in threaded connection with the thread groove (14).

7. A punch as claimed in claim 5, wherein: a connecting groove (15) is formed in the end face, close to the reinforcing part (12), of the connecting part (13), one end, close to the connecting part (13), of the reinforcing part (12) extends towards the connecting part (13) to form an inserting block (16), and the inserting block (16) is correspondingly inserted into the connecting groove (15); a plurality of screw grooves (17) are formed in the outer side wall of the connecting portion (13), each screw groove (17) extends to the inserting block (16), and a screw (18) is connected to the inside of each screw groove (17) in a threaded mode.