CN216029175U

CN216029175U - A supplementary tool for bush installation

Info

Publication number: CN216029175U
Application number: CN202122087153.2U
Authority: CN
Inventors: 刘健辉; 韩黎军
Original assignee: Honda Foundry Foshan Co ltd
Current assignee: Honda Foundry Foshan Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-15
Anticipated expiration: 2031-08-31

Abstract

The utility model relates to the technical field of jigs, and particularly discloses an auxiliary jig for installing a bushing, which comprises: the device comprises a case, a press-fitting mechanism arranged at the upper part of the case, a workbench arranged on the side wall of the case, a necking mechanism arranged on the workbench and a base arranged at the bottom of the case and used for positioning a workpiece, wherein the press-fitting mechanism, the necking mechanism and the base are coaxially arranged; through setting up the pressure equipment mechanism that is used for the pressure equipment bush, the base that is used for the location work piece, be used for carrying out the throat mechanism of throat to the bush, make a structure for the auxiliary fixture of bush installation becomes simple, and base and throat mechanism disconnect-type setting make the base realize the location to the work piece of difference moreover, are favorable to improving the suitability and the practicality of the auxiliary fixture for bush installation.

Description

A supplementary tool for bush installation

Technical Field

The utility model relates to the technical field of jigs, in particular to an auxiliary jig for installing a bushing.

Background

In the moving process of a workpiece and a shaft or a seat, the shaft or the seat is easy to wear due to long-term friction of the workpiece, so that the shaft or the seat needs to be regularly slid, and the shaft or the seat is generally protected by arranging a shaft sleeve or a bushing with lower hardness and better wear resistance between the workpiece and the shaft or the seat, so that the frequency of replacing the shaft or the seat is reduced, and the cost is saved.

The installation of current bush is generally realized through bush pressure equipment machine, chinese patent with publication number CN210615696U, a bush pressure equipment mechanism for selector casing is disclosed, including frock clamp, pressure equipment subassembly and drive assembly, the last ann that sets up the selector casing of frock clamp is in the aspect of, be equipped with the top in the aspect of ann and be the aperture for a short time, the below is the shoulder hole of aperture for a long time, install bush setting element and reset spring in the aperture for a long time, press down through pressure equipment subassembly and compress reset spring, make pressure equipment subassembly and bush contact, pressure equipment subassembly continues to push down, press the bush in the selector casing, but the structure of above-mentioned scheme is comparatively complicated, and the bush setting element sets up on frock clamp, can only be applied to single product, the suitability is low.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the prior art, the utility model aims to provide an auxiliary jig for installing a bushing, and aims to solve the problems of complex structure and low applicability of the existing press fitting equipment.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an auxiliary jig for bush installation for auxiliary jig for bush installation, its characterized in that includes: the machine case, set up pressure equipment mechanism on machine case upper portion, set up workstation on the quick-witted case lateral wall, set up throat mechanism on the workstation and set up the base that is used for fixing a position the work piece in quick-witted bottom of the case, pressure equipment mechanism, throat mechanism and base coaxial arrangement.

The auxiliary jig for installing the bushing is characterized in that the press-fitting mechanism comprises a press-fitting air cylinder with an output end arranged downwards and a clamp arranged on the output end of the press-fitting air cylinder, and the clamp is used for fixing the bushing.

The auxiliary jig for installing the bushing is characterized in that a guide mechanism is arranged on the inner wall of the top of the case and comprises a plurality of vertically arranged guide sleeves, guide columns arranged in the guide sleeves and a connecting plate connected with the lower portions of the guide columns, and the middle of the connecting plate is connected with the output end of the press-fitting air cylinder.

The auxiliary jig for installing the bushing is characterized in that the necking mechanism is arranged on the upper surface of the workbench through a connecting column, the upper portion of the necking mechanism is a circular truncated cone structure with a large diameter and a small diameter, and the diameter of the upper portion of the necking mechanism is larger than the outer diameter of the bushing.

The auxiliary jig for installing the bushing is characterized in that the base comprises a base and a positioning column arranged in the middle of the base, the base is concave, and the outer diameter of a workpiece is matched with the inner diameter of the upper portion of the concave base.

The auxiliary jig for installing the bushing is characterized in that the height of the positioning column is larger than that of the workpiece, and the diameter of the positioning column is smaller than the inner diameter of the bushing.

The auxiliary jig for installing the bushing is characterized by further comprising a translation mechanism arranged on the side wall of the case, the translation mechanism comprises a translation motor arranged horizontally, a bearing seat arranged on the same horizontal extension line of the translation motor, a lead screw connected with the output end of the translation motor in a transmission mode, and a nut seat arranged on the lead screw, and the top of the nut seat is connected with the bottom of the workbench.

The auxiliary jig for installing the bushing is characterized in that guide rails are arranged on two sides of the translation mechanism respectively, sliding blocks are arranged on the guide rails in a sliding mode, and the side walls of the sliding blocks are connected with the side walls of the workbench.

The auxiliary jig for installing the bushing is characterized in that limiting blocks are symmetrically arranged on the left side and the right side of the workbench, and the distance between the two limiting blocks is the maximum moving stroke of the workbench.

The auxiliary jig for installing the bushing further comprises a control mechanism, and the control mechanism is electrically connected with the press-fitting mechanism and the translation mechanism respectively.

Has the advantages that:

the utility model provides an auxiliary jig for bushing installation, which is simple in structure by arranging a press-fitting mechanism for press-fitting a bushing, a base for positioning a workpiece and a necking mechanism for necking the bushing, and the base and the necking mechanism are arranged in a separated manner, so that the base can position different workpieces, and the applicability and the practicability of the auxiliary jig for bushing installation are improved.

Drawings

Fig. 1 is a schematic structural view of an auxiliary jig for bushing installation.

Fig. 2 is a schematic view of the structure of the bushing.

Fig. 3 is an enlarged view of a portion a in fig. 1.

In the drawings: the device comprises a machine box 1, a press-fitting mechanism 2, a press-fitting cylinder 21, a clamp 22, a workbench 3, a necking mechanism 4, a base 5, a base 51, a positioning column 52, a bolt 53, a guide mechanism 6, a guide sleeve 61, a guide column 62, a connecting plate 63, a translation mechanism 7, a translation motor 71, a lead screw 72, a nut seat 73, a bearing seat 74, a guide rail 75, a slide block 76, a limiting block 8, a control mechanism 9, a bushing 20, an elastic part 201, a metal part 202 and a workpiece 30.

Detailed Description

The present invention provides an auxiliary fixture for installing a bushing, and in order to make the purpose, technical scheme and effect of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the scope of the utility model.

Referring to fig. 1, the present invention provides an auxiliary fixture for installing a bushing, including: the machine case comprises a machine case 1, a press-fitting mechanism 2 arranged on the upper portion of the machine case 1, a workbench 3 arranged on the side wall of the machine case 1, a necking mechanism 4 arranged on the workbench 3 and a base 5 arranged at the bottom of the machine case 1 and used for positioning a workpiece 30, wherein the press-fitting mechanism 2, the necking mechanism 4 and the base 5 are coaxially arranged.

In actual use, the press-fitting mechanism 2 is used for fixing the bush 20; the base 5 is used for positioning the workpiece 30, so that a bush mounting hole on the workpiece 30 is arranged upwards; the necking mechanism 4 is used for providing pressing force to the bush 20 expanded due to elasticity so as to reduce the diameter of the bush 20; when the lower portion of the bush 20 is brought into contact with the bush mounting hole of the workpiece 30 on the base 5 by passing the bush 20 through the reducing mechanism 4 by the press-fitting mechanism 2, the upper portion of the bush 20 remains in the reducing mechanism 4, so that the bush 20 can be smoothly pressed into the bush mounting hole by the press-fitting mechanism 2 while maintaining a small diameter, and after the bush 20 is mounted in place, the inner diameter of the bush mounting hole becomes large, and the bush 20 is expanded by releasing the pressure of the reducing mechanism 4 and the press-fitting mechanism 2, thereby completing the mounting of the bush 20. The structure is simple, and the use by an operator is convenient; and

throat mechanism

4 and 5 disconnect-type settings of base make base 5 can realize fixing a position the work piece 30 of difference, are favorable to improving the suitability and the practicality of the supplementary tool for bush installation.

Further, the press-fitting mechanism 2 comprises a press-fitting cylinder 21 with an output end facing downward, and a clamp 22 arranged on the output end of the press-fitting cylinder 21, wherein the clamp 22 is used for fixing the bushing 20. The ascending or descending of the lining 20 is realized through the expansion of the press-fitting cylinder 21, and the press-fitting cylinder 21 has high transmission efficiency and high precision and is beneficial to accurate positioning.

Further, a guide mechanism 6 is arranged on the inner wall of the top of the case 1, the guide mechanism 6 includes a plurality of vertically arranged guide sleeves 61, guide posts 62 arranged in the guide sleeves 61, and a connecting plate 63 connected with the lower portions of the guide posts 62, and the middle portion of the connecting plate 63 is connected with the output end of the press-fitting cylinder 21. Through setting up guide sleeve 61, guide post 62 and connecting plate 63, increase the weight of pressure equipment cylinder 21 output, make pressure equipment cylinder 21 more steady in the ascending removal of vertical side, avoid rocking the phenomenon that leads to damaging throat mechanism 4 and take place.

Further, the necking mechanism 4 is arranged on the upper surface of the workbench 3 through a connecting column (not visible in the figure), the upper part of the necking mechanism 4 is in a large-diameter cone frustum structure, the lower part of the necking mechanism 4 is in a small-diameter cone frustum structure, and the diameter of the upper part of the necking mechanism 4 is larger than the outer diameter of the bushing 20. Referring to fig. 2, in general, the bushing 20 is composed of an inner elastic member 201 and an outer metal member 202, the metal member 202 is provided with an opening for elastically deforming the elastic member 201, and when the bushing 20 is installed, the metal member 202 needs to be pressed tightly, so that the bushing 20 is installed in the bushing installation hole, and therefore, by providing the necking mechanism 4 with a truncated cone, a guiding function of necking is provided before the press-fitting mechanism 2 is pressed into the workpiece 30.

Referring to fig. 3, further, the base 5 includes a base 51 and a positioning post 52 disposed in the middle of the base 51, the base 51 is "concave", and the outer diameter of the workpiece 30 is matched with the inner diameter of the upper portion of the "concave" base 51. Through the arrangement, the workpiece 30 can be stably arranged at the central position of the base 5 and is coaxial with the press fitting cylinder 21 and the necking mechanism 4, and the bushing 20 can be conveniently and accurately installed. Specifically, the base 51 and the positioning column 52 are detachably disposed at the bottom of the chassis 1 through bolts 53, which facilitates replacement of different bases 51, so that different bases 51 are suitable for different shapes of workpieces 30.

Further, the height of the positioning column 52 is greater than that of the workpiece 30, and the diameter of the positioning column 52 is smaller than the inner diameter of the bush 20. By providing the locating posts 52, a guiding and preliminary locating action is provided for pressing the bushing 20 into the workpiece 30, facilitating the bushing 20 to be installed in place.

Further, the auxiliary jig for installing the bushing further comprises a translation mechanism 7 arranged on the side wall of the case 1, the translation mechanism 7 comprises a translation motor 71 arranged horizontally, a bearing seat 74 arranged on the same horizontal extension line with the translation motor 71, a lead screw 72 in transmission connection with the output end of the translation motor 71, and a nut seat 73 arranged on the lead screw 72, and the top of the nut seat 73 is connected with the bottom of the workbench 3. The translation motor 71 rotates forward or backward to move the screw 72 and the nut holder 73, so that the table 3 moves leftward or rightward in the horizontal direction. Through the arrangement of the translation mechanism 7, the necking mechanism 4 on the workbench 3 can realize fine adjustment in the horizontal direction, and is used for enabling the necking mechanism 4 to be coaxial with the press-fitting cylinder 21 and the workpiece 30, but in practical application, the adjusted translation mechanism 7 is not generally adjusted.

Further, be provided with guide rail 75 on the both sides of translation mechanism 7 respectively guide rail 75 is gone up to slide and is provided with slider 76, the lateral wall of slider 76 with the lateral wall of workstation 3 is connected. The translational stability and accuracy of the working table 3 are improved by the cooperation of the guide rail 75, the slide block 76, and the lead screw 72 and the nut block 73.

Furthermore, limiting blocks 8 are symmetrically arranged on the left side and the right side of the workbench 3, and the distance between the two limiting blocks 8 is the maximum moving stroke of the workbench 3. Through setting up the stopper 8 that is used for carrying out the restriction to the activity stroke of workstation 3, avoid translation motor 71 trouble and continuous operation, cause the damage to workstation 3 or translation motor 71 output or the inner wall of quick-witted case 1 etc..

Further, the auxiliary jig for installing the bushing further comprises a control mechanism 9, and the control mechanism 9 is electrically connected with the press-fitting mechanism 2 and the translation mechanism 7 respectively. The control mechanism is provided with a main switch, a press-fitting air cylinder switch, a translation motor forward rotation switch, a translation motor reverse rotation switch and the like, so that the operation condition of the auxiliary jig is controlled.

It should be understood that the technical solutions and the inventive concepts according to the present invention may be equally replaced or changed by those skilled in the art, and all such changes or substitutions should fall within the protection scope of the present invention.

Claims

1. An auxiliary jig for bushing installation, comprising: the machine case, set up pressure equipment mechanism on machine case upper portion, set up workstation on the quick-witted case lateral wall, set up throat mechanism on the workstation and set up the base that is used for fixing a position the work piece in quick-witted bottom of the case, pressure equipment mechanism, throat mechanism and base coaxial arrangement.

2. The auxiliary jig for installing the bushing according to claim 1, wherein the press-fitting mechanism comprises a press-fitting cylinder with an output end facing downward, and a clamp arranged on the output end of the press-fitting cylinder, and the clamp is used for fixing the bushing.

3. The auxiliary jig for installing the bushing according to claim 2, wherein a guide mechanism is arranged on the inner wall of the top of the case, the guide mechanism comprises a plurality of vertically arranged guide sleeves, guide posts arranged in the guide sleeves, and a connecting plate connected with the lower parts of the guide posts, and the middle part of the connecting plate is connected with the output end of the press-fitting cylinder.

4. The auxiliary jig for installing the bushing according to claim 1, wherein the necking mechanism is arranged on the upper surface of the workbench through a connecting column, a large-diameter cone frustum structure is arranged above the necking mechanism, a small-diameter cone frustum structure is arranged below the necking mechanism, and the diameter above the necking mechanism is larger than the outer diameter of the bushing.

5. The auxiliary jig for installing the bushing as claimed in claim 1, wherein the base includes a base and a positioning column disposed at a middle portion of the base, the base is of a concave shape, and an outer diameter of the workpiece is adapted to an inner diameter of an upper portion of the concave base.

6. The auxiliary fixture for installing the bushing as claimed in claim 5, wherein the height of the positioning post is greater than the height of the workpiece, and the diameter of the positioning post is smaller than the inner diameter of the bushing.

7. The auxiliary jig for bushing installation according to claim 1, further comprising a translation mechanism disposed on the sidewall of the chassis, wherein the translation mechanism includes a horizontally disposed translation motor, a bearing seat on the same horizontal extension line as the translation motor, a lead screw in transmission connection with an output end of the translation motor, and a nut seat disposed on the lead screw, and a top of the nut seat is connected to a bottom of the worktable.

8. The auxiliary jig for installing the bushing according to claim 7, wherein two sides of the translation mechanism are respectively provided with a guide rail, the guide rail is slidably provided with a sliding block, and the side wall of the sliding block is connected with the side wall of the workbench.

9. The auxiliary jig for installing the bushing according to claim 8, wherein the left side and the right side of the workbench are symmetrically provided with limiting blocks, and the distance between the two limiting blocks is the maximum movable stroke of the workbench.

10. The auxiliary jig for bushing installation according to claim 7, further comprising a control mechanism, wherein the control mechanism is electrically connected to the press-fitting mechanism and the translation mechanism, respectively.