CN216095930U - Punch and punch assembly - Google Patents
Punch and punch assembly Download PDFInfo
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- CN216095930U CN216095930U CN202121723703.9U CN202121723703U CN216095930U CN 216095930 U CN216095930 U CN 216095930U CN 202121723703 U CN202121723703 U CN 202121723703U CN 216095930 U CN216095930 U CN 216095930U
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- shell
- punching needle
- punch
- hole
- guide hole
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Abstract
The utility model discloses a punch, comprising: the first shell is provided with a step hole which is formed along the axial direction, and the upper opening and the lower opening of the step hole are both positioned on the end surface of the first shell; and the second shell is provided with a guide hole which is formed along the axial direction, and the upper opening and the lower opening of the guide hole are both positioned on the end surface of the second shell. There is also provided a punch assembly comprising: the template is provided with a positioning hole which is communicated along the thickness direction of the template; and the second shell of the punch is matched with the aperture profile of the positioning hole, and the punch is driven to be in limited connection in the positioning hole through the second shell. The utility model provides a punch and a punch component, which can enable a punching needle to be arranged in a shell, provide good guiding function for the punching needle, enable the punching needle to always move along the direction vertical to the surface of a channel steel or a metal member in the force application process, improve the use efficiency and reduce the risk of accidental injury.
Description
Technical Field
The utility model relates to the technical field of punches, in particular to a punch.
Background
In the prior art, when the surface of the channel steel or the metal member is scribed, a central point needs to be determined first, generally, an independent punch pin is adopted, and a light spot is formed on the surface of the channel steel or the metal member after an external force is applied to the punch pin, so that the structure and the action mode have the following defects:
1: the direction of the punch pin is easy to deviate under the condition of unstable force application, and a scribing line which cannot be repaired is formed on the surface of the channel steel or the metal component;
2: the effective protective shell is lacked, so that the punching needle is difficult to find an effective hand holding point in the independent use process, and the punching needle is not beneficial to actual operation and use.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a punch and a punch assembly to solve the above problems.
In order to achieve the purpose, the utility model provides the following technical scheme: a punch, comprising:
the first shell is provided with a step hole which is formed along the axial direction, and the upper opening and the lower opening of the step hole are both positioned on the end surface of the first shell;
the second shell is provided with a guide hole which is formed along the axial direction, and the upper opening and the lower opening of the guide hole are both positioned on the end surface of the second shell;
the first shell and the second shell are detachably connected, the stepped hole and the guide hole are located on the same axis after the first shell and the second shell are connected, a punching needle capable of moving along the axial direction of the stepped hole and the guide hole is installed in the stepped hole and the guide hole, and the punching needle is partially located in the stepped hole and the guide hole.
The stepped hole comprises a first guide hole formed in the upper portion of the first shell and a second guide hole formed in the lower portion of the first shell, the first guide hole and the second guide hole are cylindrical through holes, and the diameter of the second guide hole is larger than that of the first guide hole.
The punching needle comprises a punching needle tail end, a punching needle step portion and a punching needle guide portion which are formed coaxially, wherein the end portion of the punching needle guide portion is provided with a punching needle head end with preset taper, the outer edge contour of the punching needle tail end is matched with the inner diameter of the first guide hole, the outer edge contour of the punching needle step portion is matched with the inner diameter of the second guide hole, and the outer edge contour of the punching needle guide portion is matched with the inner diameter of the guide hole.
The punching needle guide part is sleeved with a spring which is limitedly arranged in the second guide hole, and the spring drives the punching needle to move in the step hole and the guide hole in an elastic telescopic mode along the axial direction of the punching needle.
When the punching needle is in a natural telescopic state, the head end of the punching needle is partially exposed out of the second shell, and the tail end of the punching needle is partially exposed out of the first shell.
The first shell comprises a first connecting part and a second connecting part fixedly connected to the lower part of the first connecting part, and the diameter of the second connecting part is larger than that of the first connecting part;
the second shell comprises a third connecting part and a fourth connecting part fixedly connected to the lower part of the third connecting part, and the diameter of the third connecting part is larger than that of the fourth connecting part;
the second connecting part and the third connecting part are detachably connected in the thickness direction through bolts.
A punch assembly, comprising:
the template is provided with a positioning hole which is communicated along the thickness direction of the template;
and the second shell of the punch is matched with the aperture profile of the positioning hole, and the punch is driven to be in limited connection in the positioning hole through the second shell.
According to the technical scheme, the punch and the punch assembly provided by the utility model have the advantages that the punching needle can be arranged in the shell, a good guiding function is provided for the punching needle, the punching needle can always move along the direction vertical to the surface of the channel steel or the metal member in the force application process, the use efficiency is improved, the hand holding range is further expanded due to the arrangement of the shell, the punch is more convenient to hold, and the risk of accidental injury in the hammering process is effectively reduced.
Drawings
FIG. 1 is a side perspective view of the present invention;
FIG. 2 is an axial cross-sectional view of the present invention;
fig. 3 is a usage state diagram of the present invention.
In the figure: the punching machine comprises a punching needle 1, a punching needle tail end 11, a punching needle step part 12, a punching needle guide part 13, a punching needle head end 14, a first connecting part 2, a first guide hole 21, a second connecting part 3, a third connecting part 4, a second guide hole 5, a fourth connecting part 6, a third guide hole 7, a bolt 8, a spring 9, a template 10 and a positioning hole 101.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
referring to fig. 1 to 3, a punch and a punch assembly for forming a light spot as a center point of a hole after applying a force to a surface of a metal member such as a channel steel are provided.
The punch and punch assembly will be described in detail with reference to specific embodiments.
A punch:
the light spot punching device comprises a first shell and a second shell, wherein the first shell and the second shell are detachably connected through a bolt 8, a hole pattern used for installing a punching needle 1 is formed in the shells in a matched mode, the punching needle 1 can stably move in the formed hole pattern along the axial direction after being installed, it needs to be stated that in order to provide an effective force application point, two ends of the punching needle 1 are respectively exposed out of the first shell and the second shell, and in the force application process, one end is knocked to drive the other end to apply force to metal surfaces such as channel steel and the like so as to form a light spot; in addition, the detachable connecting structure can conveniently realize the replacement of the punching needle 1 and is also beneficial to the replacement and maintenance of parts; in the present embodiment, the hole pattern not only provides the installation space of the punch pin 1, but also provides a good guiding function, so that the punch pin 1 can stably move along the force transmission direction after being applied with force.
The first shell is arranged in a stepped shaft structure and comprises a first connecting part 2 with a smaller diameter at the upper part and a second connecting part 3 with a larger diameter at the lower part, a stepped hole which is formed along the axial direction is formed in the first shell, the stepped hole is formed to limit the punching needle 1 in the punch, specifically, the stepped hole sequentially comprises a first guide hole 21 and a second guide hole 5 which are communicated with each other from top to bottom along the axial direction of the first connecting part 2 and the second connecting part 3, and in the implementation, the first guide hole 21 and the second guide hole 5 can be cylindrical through holes, but are not limited to the cylindrical through holes; wherein the diameter of the first guide hole 21 is smaller than the inner diameter of the second guide hole 5;
the second housing is also configured as a stepped shaft structure, and includes a third connecting portion 4 with a larger diameter at the upper portion and a fourth connecting portion 6 with a smaller diameter at the lower portion, and a third guide hole 7 (and a guide hole) formed in the second housing in a penetrating manner along the axial direction is formed in the second housing, and in the implementation, the third guide hole 7 may be a cylindrical through hole, but is not limited thereto;
the punching needle 1 is matched with the hole type, in order to be matched with the hole type structure, the punching needle 1 is of a sectional type structure and comprises a punching needle tail end 11, a punching needle step part 12 and a punching needle guide part 13 which are coaxially formed, a punching needle head end 14 with preset taper is formed at the end part of the punching needle guide part 13, the punching needle head end 14 is the end part acting on metal surfaces such as channel steel, the outer edge profile of the punching needle tail end 11 is matched with the inner diameter of the first guide hole 21, the outer edge profile of the punching needle step part 12 is matched with the inner diameter of the second guide hole 5, and the outer edge profile of the punching needle guide part 13 is matched with the inner diameter of the third guide hole 7 (namely the guide hole); it should be pointed out that, in order to facilitate the processing and forming, each section of the adopted punch needle 1 is of a cylinder structure, and the cylinder is matched with the hole pattern of the cylinder;
for example, the diameter of the punch pin end 11 is slightly smaller than the inner diameter of the first guide hole 21, the diameter of the punch pin step 12 is slightly smaller than the inner diameter of the second guide hole 5, and the diameter of the punch pin guide 13 is slightly smaller than the inner diameter of the third guide hole 7, so that the punch pin 1 can stably move in the hole pattern along the axial direction and is limited by the arrangement of the punch pin step 12, and the inner diameter of the third guide hole 7 is smaller than the inner diameter of the second guide hole 5, so that the maximum displacement of the punch pin 1 is the depth distance of the second guide hole 5, and meanwhile, the punch pin 1 can be limitedly arranged on the first housing and the second housing to prevent the punch pin from being separated.
In another embodiment, a spring 9 is further disposed in the second guiding hole 5 and sleeved on the punch pin guiding portion 13, as can be seen from the perspective of fig. 1, during the downward force application movement of the punch pin 1, the spring 9 provides a vertically upward spring force, and the punch pin 1 can automatically return to the original position after being applied with a force. It should be noted that, in order to facilitate the force application, when the length of the punch pin 1 is set, it is necessary to satisfy that after the punch pin 1 is assembled and connected, a part of the punch pin tail end 11 is located outside the first housing, and a part of the punch pin head end 14 is located outside the second housing.
The punch assembly comprises the punch adopted in the embodiment and a template 10 which is matched and connected with the punch, wherein the template 10 is provided with a positioning hole 101 which is formed in any position of a plate surface in a penetrating mode along the thickness direction of the template, a fourth connecting part 6 which is matched with the hole type outline of the positioning hole 101 is formed on the second shell in a matching mode, in the implementation process, the template 10 is placed on the surface of channel steel or a metal plate, the position to be positioned is located at the central point of the positioning hole 101, the punch is connected in the positioning hole 101 in a limiting mode through the fourth connecting part 6 of the second shell, finally force is applied to the tail end 11 of the punch, and a light spot is left on the head end 14 of the punch on the surface of the channel steel or the metal.
In addition, it should be noted that, in order to ensure that the punch can be stably used with the die plate 10, the height of the fourth connecting portion 6 is set to be the same as the depth of the positioning hole 101, so that the lower end surface of the fourth connecting portion 6 can be located on the same horizontal plane as the lower end surface of the die plate 10 when the punch is fittingly connected to the positioning hole 101.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (7)
1. A punch, comprising:
the first shell is provided with a step hole which is formed along the axial direction, and the upper opening and the lower opening of the step hole are both positioned on the end surface of the first shell;
the second shell is provided with a guide hole which is formed along the axial direction, and the upper opening and the lower opening of the guide hole are both positioned on the end surface of the second shell;
the first shell and the second shell are detachably connected, the stepped hole and the guide hole are located on the same axis after the first shell and the second shell are connected, a punching needle capable of moving along the axial direction of the stepped hole and the guide hole is installed in the stepped hole and the guide hole, and the punching needle is partially located in the stepped hole and the guide hole.
2. A punch as claimed in claim 1, wherein: the stepped hole comprises a first guide hole formed in the upper portion of the first shell and a second guide hole formed in the lower portion of the first shell, the first guide hole and the second guide hole are cylindrical through holes, and the diameter of the second guide hole is larger than that of the first guide hole.
3. A punch as claimed in claim 2, wherein: the punching needle comprises a punching needle tail end, a punching needle step portion and a punching needle guide portion which are formed coaxially, wherein the end portion of the punching needle guide portion is provided with a punching needle head end with preset taper, the outer edge contour of the punching needle tail end is matched with the inner diameter of the first guide hole, the outer edge contour of the punching needle step portion is matched with the inner diameter of the second guide hole, and the outer edge contour of the punching needle guide portion is matched with the inner diameter of the guide hole.
4. A punch as claimed in claim 3, wherein: the punching needle guide part is sleeved with a spring which is limitedly arranged in the second guide hole, and the spring drives the punching needle to move in the step hole and the guide hole in an elastic telescopic mode along the axial direction of the punching needle.
5. A punch as claimed in claim 3, wherein: when the punching needle is in a natural telescopic state, the head end of the punching needle is partially exposed out of the second shell, and the tail end of the punching needle is partially exposed out of the first shell.
6. A punch as claimed in claim 1, wherein: the first shell comprises a first connecting part and a second connecting part fixedly connected to the lower part of the first connecting part, and the diameter of the second connecting part is larger than that of the first connecting part;
the second shell comprises a third connecting part and a fourth connecting part fixedly connected to the lower part of the third connecting part, and the diameter of the third connecting part is larger than that of the fourth connecting part;
the second connecting part and the third connecting part are detachably connected in the thickness direction through bolts.
7. A punch assembly including the punch as claimed in any one of claims 1 to 6, further comprising:
the template is provided with a positioning hole which is communicated along the thickness direction of the template;
and the second shell of the punch is matched with the aperture profile of the positioning hole, and the punch is driven to be in limited connection in the positioning hole through the second shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121723703.9U CN216095930U (en) | 2021-07-26 | 2021-07-26 | Punch and punch assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121723703.9U CN216095930U (en) | 2021-07-26 | 2021-07-26 | Punch and punch assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216095930U true CN216095930U (en) | 2022-03-22 |
Family
ID=80723430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121723703.9U Active CN216095930U (en) | 2021-07-26 | 2021-07-26 | Punch and punch assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216095930U (en) |
-
2021
- 2021-07-26 CN CN202121723703.9U patent/CN216095930U/en active Active
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