CN218624956U - Positioning pin assembly capable of being dismounted in front - Google Patents
Positioning pin assembly capable of being dismounted in front Download PDFInfo
- Publication number
- CN218624956U CN218624956U CN202222968153.8U CN202222968153U CN218624956U CN 218624956 U CN218624956 U CN 218624956U CN 202222968153 U CN202222968153 U CN 202222968153U CN 218624956 U CN218624956 U CN 218624956U
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- positioning pin
- stud
- locating pin
- pin
- positioning
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Abstract
The utility model discloses a locating pin subassembly that can openly dismantle, including the locating pin, locating pin bottom detachable is connected with first double-screw bolt. The beneficial effects are that: through set up the first double-screw bolt of detachable in locating pin bottom, when needing to quench the locating pin, demolish first double-screw bolt to avoid first double-screw bolt to quench along with the locating pin together, guarantee the intensity of first double-screw bolt, thereby prolong its life.
Description
Technical Field
The utility model relates to a locating pin technical field, concretely relates to locating pin subassembly that can openly dismantle.
Background
The locating pin is common mechanical locating part, and the application is extensive, and in the mould, in order to guarantee the installation accuracy of insert and the compound die accuracy of mould, need quench the locating pin to improve its wearability, for the convenience of the installation of locating pin, there is the connecting stud at the bottom integrated into one piece of locating pin, connecting stud and locating pin structure as an organic whole, when quenching the locating pin, the connecting stud is quenched simultaneously, and the quenching can influence the intensity of connecting stud, thereby influences the life of connecting stud. In order to solve the problem, a positioning pin assembly capable of being detached from the front surface is designed.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a positioning pin assembly that can be disassembled from the front for solving the above problems, as will be described in detail below.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of locating pin subassembly that can openly dismantle, including the locating pin, locating pin bottom detachable is connected with first double-screw bolt, the mounting screw hole screw-thread fit on first double-screw bolt and die holder surface.
By adopting the positioning pin assembly capable of being dismounted from the front side, when the positioning pin is required to be quenched, the first stud is dismounted, the positioning pin is quenched independently, the first bolt is not required to be quenched with the positioning pin, and the strength of the first bolt can be ensured; when the positioning pin is installed, the first stud is connected to the bottom end of the positioning pin, the positioning pin is installed through threaded matching of the first stud and the installation threaded hole in the surface of the die holder, and the strength of the first bolt can be guaranteed due to the fact that the first bolt is mainly stressed and does not quench, and therefore the service life of the first bolt is prolonged.
Preferably, the bottom end of the positioning pin is provided with a connecting threaded hole, a second stud is formed at the upper end of the first stud, and the second stud is in threaded fit with the connecting threaded hole.
Preferably, the outer diameter of the first stud is larger than the inner diameter of the connecting threaded hole.
Preferably, the thread direction of the first stud is opposite to the thread direction of the second stud.
Preferably, the upper end of the positioning pin is in a pointed cone structure.
Preferably, the bottom of the positioning pin is provided with a reinforcing part, the diameter of the reinforcing part is larger than that of the positioning pin, the reinforcing part is matched with a counter bore in the surface of the die holder, and the reinforcing part completely enters the counter bore after the positioning pin is installed.
Preferably, the upper portion of the positioning pin is formed with two plane portions, and the two plane portions are symmetrically distributed by taking the axis of the positioning pin as a reference.
Preferably, an insertion hole is provided outside the positioning pin, and the insertion hole penetrates through an outer side surface of the positioning pin in a radial direction of the positioning pin.
The beneficial effects are that: through set up the first double-screw bolt of detachable in locating pin bottom, when needing to quench the locating pin, demolish first double-screw bolt to avoid first double-screw bolt to quench along with the locating pin together, guarantee the intensity of first double-screw bolt, thereby prolong its life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front cross-sectional view of the locating pin;
FIG. 3 is a front view of the first stud;
fig. 4 is a schematic view of the application of the present invention;
fig. 5 is a side cross-sectional view of fig. 4.
The reference numerals are illustrated below:
1. positioning pins; 101. a planar portion; 102. an insertion hole; 103. a reinforcing portion; 104. connecting threaded holes; 2. a first stud; 201. a second stud; 3. a die holder; 301. installing a threaded hole; 302. a counterbore.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, the utility model provides a can openly dismantle locating pin subassembly, including locating pin 1, 1 bottom detachable of locating pin is connected with first double-screw bolt 2, and first double-screw bolt 2 and the installation screw hole 301 screw-thread fit on 3 surfaces of die holder.
As an optional implementation manner, a connection threaded hole 104 is formed in the bottom end of the positioning pin 1, a second stud 201 is formed at the upper end of the first stud 2, and the second stud 201 is in threaded fit with the connection threaded hole 104, so that the first stud 2 and the positioning pin 1 can be detachably connected through the fit of the second stud 201 and the connection threaded hole 104.
The outer diameter of the first stud 2 is larger than the inner diameter of the connecting threaded hole 104, so that the second stud 201 can be positioned in connection with the connecting threaded hole 104, the first stud 2 is in full contact with the end face of the positioning pin 1, and the connecting strength of the first stud 2 and the positioning pin 1 is guaranteed.
The thread turning direction of the first stud 2 is opposite to that of the second stud 201, so that the threaded connection between the first stud 2 and the mounting threaded hole 301 and the threaded connection between the second stud 201 and the connecting threaded hole 104 can be prevented from being influenced mutually, and the second stud 201 or the first stud 2 can be independently dismounted.
The upper end of the positioning pin 1 is of a pointed cone structure, and the collision damage of the upper end of the positioning pin 1 can be reduced by the arrangement.
The bottom of the positioning pin 1 is provided with a reinforcing part 103, the diameter of the reinforcing part 103 is larger than that of the positioning pin 1, the reinforcing part 103 is matched with a counter bore 302 on the surface of the die holder 3, and after the positioning pin 1 is installed, the reinforcing part 103 completely enters the counter bore 302, so that the reinforcing part 103 is arranged, and the installation strength of the positioning pin 1 can be improved through the matching of the reinforcing part 103 and the counter bore 302.
The upper portion of the positioning pin 1 is formed with two plane portions 101, the two plane portions 101 are symmetrically distributed by taking the axis of the positioning pin 1 as a reference, and the plane portions 101 are matched with tools such as pliers and a wrench to facilitate screwing of the positioning pin 1, so that the positioning pin 1 can be disassembled and assembled.
The outside of the positioning pin 1 is provided with an insertion hole 102, and the insertion hole 102 penetrates through the outer side surface of the positioning pin 1 along the radial direction of the positioning pin 1, so that a rod or a shaft-shaped object is inserted into the insertion hole 102, the positioning pin 1 can be screwed through the rod or the shaft-shaped object, and the positioning pin 1 can be dismounted.
By adopting the structure, when the positioning pin 1 needs to be quenched, the first stud 2 is detached, the positioning pin 1 is quenched independently, the first bolt does not need to be quenched with the positioning pin 1, and the strength of the first bolt can be ensured; when the positioning pin 1 is installed, the first stud 2 is connected to the bottom end of the positioning pin 1, the first stud 2 is in threaded fit with the installation threaded hole 301 in the surface of the die holder 3, the positioning pin 1 is installed, and the first bolt is not quenched due to main stress of the first bolt, so that the strength of the first bolt can be guaranteed, and the service life of the first bolt can be prolonged.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a locating pin subassembly that can openly dismantle which characterized in that: the positioning device comprises a positioning pin (1), wherein a first stud (2) is detachably connected to the bottom end of the positioning pin (1);
the bottom end of the positioning pin (1) is provided with a connecting threaded hole (104), a second stud (201) is formed at the upper end of the first stud (2), and the second stud (201) is in threaded fit with the connecting threaded hole (104).
2. The front removable locating pin assembly of claim 1, wherein: the outer diameter of the first stud (2) is larger than the inner diameter of the connecting threaded hole (104).
3. The front removable locating pin assembly of claim 1, wherein: the thread screwing direction of the first stud (2) is opposite to that of the second stud (201).
4. The front removable locating pin assembly of claim 1, wherein: the upper end of the positioning pin (1) is in a pointed cone structure.
5. The front removable locating pin assembly of claim 1, wherein: the bottom of the positioning pin (1) is provided with a reinforcing part (103), and the diameter of the reinforcing part (103) is larger than that of the positioning pin (1).
6. The front removable locating pin assembly of claim 1, wherein: the locating pin (1) upper portion shaping has plane portion (101), plane portion (101) are provided with two, and use the axis of locating pin (1) as benchmark symmetric distribution.
7. The front removable locating pin assembly of claim 1, wherein: an insertion hole (102) is formed in the outer side of the positioning pin (1), and the insertion hole (102) penetrates through the outer side face of the positioning pin (1) along the radial direction of the positioning pin (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222968153.8U CN218624956U (en) | 2022-11-08 | 2022-11-08 | Positioning pin assembly capable of being dismounted in front |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222968153.8U CN218624956U (en) | 2022-11-08 | 2022-11-08 | Positioning pin assembly capable of being dismounted in front |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218624956U true CN218624956U (en) | 2023-03-14 |
Family
ID=85422987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222968153.8U Active CN218624956U (en) | 2022-11-08 | 2022-11-08 | Positioning pin assembly capable of being dismounted in front |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218624956U (en) |
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2022
- 2022-11-08 CN CN202222968153.8U patent/CN218624956U/en active Active
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| GR01 | Patent grant |