CN210547365U

CN210547365U - Punch head

Info

Publication number: CN210547365U
Application number: CN201921148837.5U
Authority: CN
Inventors: 杨交; 张云东
Original assignee: Foshan Yizhuo Intelligent Equipment Manufacturing Co ltd
Current assignee: Foshan Yizhuo Intelligent Equipment Manufacturing Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-05-19
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a punch, including the punch body, the inside of the punch body is provided with a plurality of oil circuit branches which are communicated with an oiling channel and incline downwards, liquid is shunted to the oil circuit branches, flows out from the oil outlet to rinse the outer wall of a punching section, and burrs remained on the outer wall of the punching section are fully removed, so that the burrs remained on the outer wall of the punching section are prevented from causing strain to punching holes, the punching quality is ensured, the outer wall of the punching section can be prevented from being abraded by the burrs, and the punch is protected to prolong the service life of the punch; meanwhile, the lubricating and heat dissipating functions of the outer wall of the punching section are achieved.

Description

Punch head

Technical Field

The utility model relates to a technical field punches a hole particularly, relates to a drift.

Background

When punching a hole to a metal workpiece, metal chips such as burrs and the like can be generated to be stuck on a punch, so that the punch is pulled to cause strain on a punched hole when being pulled out, the punching quality is influenced, meanwhile, the punch is abraded, and the service life of the punch is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a can fully wash the drift outer wall, guarantee the drift of the quality of punching a hole.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a punch, characterized in that: the punch body comprises a rod body section and a punching section, the rod body section and the punching section are connected in a stepped mode, the shaft diameter of the punching section is smaller than that of the rod body section, and an oil injection channel penetrates through the punch body and is formed along the central axis; the punch is characterized in that a plurality of oil path branches communicated with the oil injection channel are formed in the punch body, the oil path branches penetrate through the outer wall of the punch body to form oil outlets, and liquid is brushed on the outer wall of the punching section through the oil outlets.

As an improvement of the technical scheme, the oil path branch is downward in an inclined manner, and the oil path branch penetrates through the stepped junction of the rod body section and the punching section to form an oil outlet.

As a further improvement of the technical scheme, the oil way branch passage is inclined downwards and penetrates to the upper part of the outer wall of the punching section to form an oil outlet.

Further, the oil circuit is divided into channels, the rod body section penetrates through the two bending sections to the lower end face of the rod body section to form an oil outlet, and the oil outlet is close to and faces the outer wall of the punching section.

Further, oil outlets of the oil passages are distributed in equal intervals around the central axis.

Further, the diameter of the oil injection channel at the tail part of the punching section is reduced.

Furthermore, at least 3 oil passages are arranged in the punch body.

Further, the outer wall of the rod body section is provided with a groove.

The utility model has the advantages that: a punch comprises a punch body, wherein a plurality of oil way branches which are communicated with an oil filling channel and incline downwards are arranged in the punch body, liquid is shunted to the oil way branches, flows out of an oil outlet of the oil way branches to rinse the outer wall of a punching section, and burrs remained on the outer wall of the punching section are fully removed, so that the burrs remained on the outer wall of the punching section are prevented from pulling and damaging the punching hole, the punching quality is ensured, the outer wall of the punching section is prevented from being abraded by the burrs, and the punch is protected to prolong the service life of the punch; meanwhile, the lubricating and heat dissipating functions of the outer wall of the punching section are achieved.

Drawings

The following is further described with reference to the accompanying drawings and examples.

Fig. 1 is a front sectional view of a first embodiment of the present invention;

fig. 2 is a bottom view of a first embodiment of the present invention;

fig. 3 is a front sectional view of a second embodiment of the present invention;

fig. 4 is a front view of a second embodiment of the present invention;

fig. 5 is a front sectional view of a third embodiment of the present invention;

fig. 6 is a bottom view of a third embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 and 2, a punch, wherein a punch body 1 comprises a rod body section 2 and a punching section 3, the rod body section 2 and the punching section 3 are connected in a stepped manner, the shaft diameter of the punching section 3 is smaller than that of the rod body section 2, and an oil injection channel 4 is formed through the punch body 1 and along a central axis; a plurality of oil way branched channels 5 communicated with the oil filling channel 4 are formed in the punch body 1, the oil way branched channels 5 penetrate through the outer wall of the punch body 1 to form oil outlets 51, and liquid is brushed on the outer wall of the punching section 3 through the oil outlets 51;

the bottom end edge of the punching section 3 is a cutting edge of the punch, the punch is used for punching a metal workpiece, metal scraps such as burrs and the like are generated and adhered to the outer wall of the punching section 3 during punching, therefore, liquid such as lubricating oil, lubricating liquid or cooling liquid is injected into the oil injection channel 4 during punching, the liquid flows downwards along with the oil injection channel 4, a part of the liquid flows out from the tail end of the oil injection channel 4, and the liquid is sprayed on the metal workpiece to realize the functions of cleaning and cooling the workpiece; one part of liquid is shunted to the oil way branch 5 and flows out of an oil outlet 51 of the oil way branch, the outer wall of the punching section 3 is uniformly washed by 360 degrees, burrs remained on the outer wall of the punching section 3 are fully removed, and the situation that the burrs remained on the outer wall of the punching section 3 cause strain on punching is avoided, so that the punching quality is ensured, the outer wall of the punching section 3 is prevented from being abraded by the burrs, and a punch is protected to prolong the service life of the punch; meanwhile, the lubricating and heat dissipating functions of the outer wall of the punching section 3 are also realized.

The oil outlet 51 of the oil path branch 5 preferably adopts the following three embodiments:

the first embodiment is as follows: referring to fig. 1 and 2, the oil path branch 5 is inclined downward, the oil path branch 5 penetrates through a stepped junction between the rod body section 2 and the punching section 3 to form an oil outlet 51, that is, a part of a mouth of the oil outlet 51 is located at the bottom surface of the rod body section 2, and a part of the mouth is located at the top of an outer wall of the punching section 3, so that the pressure and the flow rate of liquid are controlled, and the outer wall of the punching section 3 is rinsed after the liquid flows out of the oil outlet 51.

Example two: referring to fig. 3 and 4, the oil path branch 5 is inclined downward, the oil path branch 5 penetrates to the upper part of the outer wall of the die-cutting section 3 to form an oil outlet 51, the pressure and the flow rate of the liquid are controlled, and the outer wall of the die-cutting section 3 is rinsed after the liquid flows out of the oil outlet 51.

Example three: referring to fig. 5 and 6, the oil path branch 5 penetrates through the rod body section 2 to the lower end face of the rod body section 2 through the two bending sections to form an oil outlet 51, the oil outlet 51 is close to and faces the outer wall of the punching section 3, the pressure and the flow rate of liquid are controlled, and the liquid is sprayed out from the oil outlet 51 and is sprayed to the outer wall of the punching section 3.

The oil outlets 51 of the oil paths 5 are distributed at equal intervals around the central axis, so that liquid flows out from the oil outlets 51 to uniformly wash the outer wall of the punching section 3 at 360 degrees.

The diameter of the oil injection channel 4 at the tail part of the punching section 3 is reduced, so that the speed of the liquid sprayed out from the tail end of the oil injection channel 4 is improved.

At least 3 oil paths are arranged in the punch body 1 and are divided into channels 5, so that the effect of uniformly washing the outer wall of the punching section 3 by 360 degrees by liquid flowing out of the oil outlet 51 is guaranteed.

The outer wall of the rod section 2 is provided with a recess 21, by means of which recess 21 the punch body 1 is mounted on a punch.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A punch, characterized in that: the punch body (1) comprises a rod body section (2) and a punching section (3), the rod body section (2) and the punching section (3) are connected in a stepped mode, the shaft diameter of the punching section (3) is smaller than that of the rod body section (2), and an oil filling channel (4) penetrates through the punch body (1) and is formed along the central axis;

the punch head comprises a punch head body (1), wherein a plurality of oil way sub-channels (5) communicated with an oil filling channel (4) are formed in the punch head body (1), the oil way sub-channels (5) penetrate through the outer wall of the punch head body (1) to form oil outlets (51), and liquid is brushed on the outer wall of the punching section (3) through the oil outlets (51).

2. A punch as claimed in claim 1, wherein: the oil path branch (5) inclines downwards, and the oil path branch (5) penetrates through the stepped junction of the rod body section (2) and the punching section (3) to form an oil outlet (51).

3. A punch as claimed in claim 1, wherein: the oil way branch (5) inclines downwards, and the oil way branch (5) penetrates to the upper part of the outer wall of the die-cutting section (3) to form an oil outlet (51).

4. A punch as claimed in claim 1, wherein: the oil way branch passage (5) penetrates through the rod body section (2) through the two bending sections to form an oil outlet (51) at the lower end face of the rod body section (2), and the oil outlet (51) is close to and faces the outer wall of the punching section (3).

5. A punch as claimed in claim 2, 3 or 4, wherein: oil outlets (51) of the oil way branches (5) are distributed in equal intervals around the central axis.

6. A punch as claimed in claim 1, wherein: the diameter of the oil injection channel (4) at the tail part of the punching section (3) is reduced.

7. A punch as claimed in claim 1, wherein: at least 3 oil way channels (5) are arranged in the punch body (1).

8. A punch as claimed in claim 1, wherein: the outer wall of the rod body section (2) is provided with a groove (21).