CN216634221U

CN216634221U - Compression pin shaft assembling tool

Info

Publication number: CN216634221U
Application number: CN202220086288.9U
Authority: CN
Inventors: 王舒; 卢艳飞
Original assignee: Zhejiang Core Microelectronics Co ltd
Current assignee: Zhejiang Core Microelectronics Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-05-31
Anticipated expiration: 2032-01-13

Abstract

The utility model provides a compression pin shaft assembling tool which comprises a left base and a right base detachably connected with the left base, wherein detachable cover plates are arranged on the upper sides of the left base and the right base; the semi-finished product compression assembly comprises a compression connecting rod and a needle bearing, the compression connecting rod is fixedly connected with the needle bearing, a compression spring ring is sleeved on the compression connecting rod, and a short pin is arranged in the needle bearing and compresses the compression spring; the compression piston further comprises a compression pin shaft capable of replacing the short pin, and the compression pin shaft is overlapped with the pin hole of the compression piston, the short pin and the central axis of the needle bearing. The utility model ensures that the pin shaft is coincident with the central axes of the compression piston pin hole, the short pin and the needle bearing, ensures that the direction of the force is coincident with the central axes, is convenient to use, can operate the whole assembly process by only one person, and obviously improves the assembly efficiency and the yield of the compression assembly.

Description

Compression pin shaft assembling tool

Technical Field

The utility model relates to a compression pin shaft assembling tool, and belongs to the technical field of Stirling refrigerators.

Background

In the existing two-person cooperation assembly compression component technology, the operation difficulty is high, the two persons are required to cooperate with a default and the required proficiency is high. Because the pin shaft needs to be compressed to abut against the compression spring, but the semi-finished product compression assembly which is arranged in the compression pin shaft cannot be arranged in the compression piston, only a method of replacing a long pin (compression pin shaft) with a short pin is adopted. The direction of the force can not be accurately controlled in the process of changing the long pin into the short pin, and the condition of abandonment caused by internal blocking is easy to occur.

It should be noted that the above background description is only for the convenience of clear and complete description of the technical solutions in the present specification and for the understanding of those skilled in the art. Such solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present specification.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the compression pin shaft assembling tool, which ensures that the pin shaft is coincided with the central axes of the compression piston pin hole, the short pin and the needle roller bearing, ensures that the direction of the force is coincided with the central axes, is convenient to use, can operate the whole assembling process by only one person, and obviously improves the assembling efficiency and the yield of the compression assembly.

The scheme is realized by the following technical measures: a compression pin shaft assembling tool comprises a left base and a right base detachably connected with the left base, wherein detachable cover plates are arranged on the upper sides of the left base and the right base, and a compression piston and a semi-finished product compression assembly capable of being inserted into the compression piston are arranged in the left base;

the semi-finished product compression assembly comprises a compression connecting rod and a needle bearing, the compression connecting rod is fixedly connected with the needle bearing, a compression spring ring is sleeved on the compression connecting rod, and a short pin is arranged in the needle bearing and compresses the compression spring;

the compression piston further comprises a compression pin shaft capable of replacing the short pin, and the compression pin shaft is overlapped with the pin hole of the compression piston, the short pin and the central axis of the needle bearing.

Preferably, the cover plate is fixed with the left base and the right base through four first positioning columns arranged at four corners.

Preferably, the left base and the right base are fixed through hand-screwed screws.

Preferably, a handle is arranged on the hand screw.

Preferably, a group of second positioning columns is further arranged between the left base and the right base.

Preferably, the compression connecting rod is further connected with a bearing, the bearing is matched with a bearing positioning column, and the bearing positioning column is fixed on the right base.

Preferably, the cover plate is provided with an upper thimble, the lower end of the upper thimble contacts with the compression pin shaft, the lower end of the compression pin shaft contacts with the short pin, the lower end of the short pin contacts with the lower thimble, and the lower end of the lower thimble is provided with the supporting spring.

Preferably, the lower end of the supporting spring is provided with a plug.

The utility model has the beneficial effects that:

the utility model ensures that the pin shaft is coincided with the central axes of the compression piston pin hole, the short pin and the needle roller bearing, ensures that the direction of the force is coincided with the central axes, is convenient to use, can operate the whole assembly process by only one person, and obviously improves the assembly efficiency and the yield of the compression assembly.

Drawings

FIG. 1 is an assembly structure diagram of a compression pin shaft assembly fixture in the utility model;

FIG. 2 is a partial top view structural diagram of a compression pin assembling tool according to the present invention;

FIG. 3 is a right side assembly view of the left base;

FIG. 4 is an initial assembly structure diagram of a compression pin assembling tool according to the present invention

In the figure, 1-plug, 2-supporting spring, 3-right base, 4-handle, 5-bearing positioning column, 6-cover plate, 7-bearing, 8-compression connecting rod, 9-needle bearing, 10-upper thimble, 11-compression pin, 12-compression piston, 13-compression spring, 14-lower thimble, 15-left base;

001-first positioning column, 002-second positioning column and 003-hand screw;

100-short pin.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the following explains the present solution by way of specific embodiments and with reference to the accompanying drawings.

The utility model provides a compression pin assembly fixture, includes left base 15 and can dismantle right base 3 of being connected with left base 15, for the convenience of the dismantlement of left base 15 and right base 3, left side base 15 and right base 3 are fixed through hand screw 003. Further, in order to facilitate the rotation of the thumb screw 003, the handle 4 is provided to the thumb screw 003. Still be provided with a set of second reference column 002 between left side base 15 and the right base 3, play the effect of location left side base 15 and right base 3 with manual screw 003 jointly.

Left side base 15 and the 3 upside of right base are provided with detachable apron 6, for the convenience of apron 6 and the convenient dismantlement of left base 15 and right base 3, apron 6 is fixed with left base 15 and right base 3 through four first reference column 001 that set up in the four corners position.

The left base 15 is provided with a compression piston 12 and a semi-finished product compression assembly which can be inserted into the compression piston 12;

the semi-finished product compression assembly comprises a compression connecting rod 8 and a needle bearing 9, the compression connecting rod 8 is fixedly connected with the needle bearing 9, a compression spring 13 is sleeved on the compression connecting rod 8 in a sleeved mode, and a short pin 100 is arranged inside the needle bearing 9 and compresses the compression spring 13; the compression connecting rod 8 is further connected with a bearing 7, the bearing 7 is matched with the bearing positioning column 5, and the bearing positioning column 5 is fixed on the right base 3.

And a compression pin 11 capable of replacing the short pin 100 is further included, and the compression pin 11 is coincided with the pin hole of the compression piston 12, the short pin 100 and the central axis of the needle bearing 9.

In order to replace the short pin 100 with the compression pin 11, the cover plate 6 is provided with an upper thimble 10, the lower end of the upper thimble 10 contacts the compression pin 11, the lower end of the compression pin 11 contacts the short pin 100, the lower end of the short pin 100 contacts the lower thimble 14, and the lower end of the lower thimble 14 is provided with the supporting spring 2. And a plug 1 is arranged at the lower end of the supporting spring 2.

The using method comprises the following steps:

1. sleeving a compression spring 13 on the semi-finished product compression assembly which is glued, air-dried and fixed, inserting the short pin 100 into the needle bearing 9, and compressing the compression spring 13;

2. taking down the cover plate 6 and the upper thimble 10;

3. rotating the handle 4 to separate the right base 3 from the left base 15 for subsequent placement of the compression piston 12 and the semi-finished compression assembly;

4. placing the semi-finished product compression assembly into the right base 3 to ensure that the bearing 7 is matched with the bearing positioning column 5;

5. the compression piston 12 is placed in the left base 15, and the lower ejector pin 14 is matched with a pin hole on one side of the compression piston 12;

6. the handle 4 is rotated to enable the right base 3 to be in close contact with the left base 15, so that one side of the semi-finished product compression assembly can smoothly enter the compression piston 12;

7. covering the cover plate 6, installing the compression pin shaft 11 into a thimble hole of the cover plate 6, abutting the compression pin shaft 11 by using an upper thimble 10, and abutting the compression pin shaft 11 against the short pin 100;

8. lightly knocking the upper thimble 10 by a hammer, and moving the upper thimble 10, the compression pin 11, the short pin 100 and the lower thimble 14 to the side of the supporting spring 2 under the action of force, so that the compression pin 11 replaces the short pin 100 until the compression pin 100 is matched with the pin hole at the other side of the compression piston 12, thus completing the assembly of the compression component.

Technical features not described in the present invention can be implemented by the prior art, and are not described in detail herein. The present invention is not limited to the above-described embodiments, and variations, modifications, additions and substitutions which are within the spirit of the utility model and the scope of the utility model may be made by those of ordinary skill in the art are also within the scope of the utility model.

Claims

1. The assembly tool for the compression pin shaft is characterized by comprising a left base and a right base detachably connected with the left base, wherein detachable cover plates are arranged on the upper sides of the left base and the right base;

2. The assembly tooling for the compression pin shaft of claim 1, which is characterized in that: the cover plate is fixed with the left base and the right base through four first positioning columns arranged at four corners.

3. The assembly tooling for the compression pin shaft of claim 2, which is characterized in that: and the left base and the right base are fixed through hand-screwed screws.

4. The assembly tooling for the compression pin shaft of claim 3, which is characterized in that: and a handle is arranged on the hand-screwed screw.

5. The assembly tooling for the compression pin shaft of claim 4, which is characterized in that: and a group of second positioning columns is also arranged between the left base and the right base.

6. The assembly tooling for the compression pin shaft of claim 5, which is characterized in that: the compression connecting rod is further connected with a bearing, the bearing is matched with a bearing positioning column, and the bearing positioning column is fixed on the right base.

7. The assembly tooling for the compression pin shaft of claim 6, which is characterized in that: an upper ejector pin is arranged on the cover plate, the lower end of the upper ejector pin is in contact with a compression pin shaft, the lower end of the compression pin shaft is in contact with a short pin, the lower end of the short pin is in contact with a lower ejector pin, and a supporting spring is arranged at the lower end of the lower ejector pin.

8. The assembly tooling for the compression pin shaft of claim 7, which is characterized in that: and a plug is arranged at the lower end of the supporting spring.