CN211916016U

CN211916016U - Synchronous press fitting device for gear box pins

Info

Publication number: CN211916016U
Application number: CN202020459512.5U
Authority: CN
Inventors: 单科迪; 卢君剑; 陈剑威; 汪喜财
Original assignee: Hengdian Group Innuovo Electric Co Ltd
Current assignee: Hengdian Group Innuovo Electric Co Ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-11-13
Anticipated expiration: 2030-04-01

Abstract

The utility model provides a synchronous press fitting device for pins of a gear box, which comprises a bottom plate, wherein at least two support columns are arranged on the bottom plate, the support columns are basically vertical to the bottom plate, each support column is respectively in up-down sliding connection with a main guide column, the lower end of the main guide column is limited in the support columns to prevent the main guide column from being separated from the upper end of the support column, and the upper end of each main guide column is respectively fixed with a slave guide column; the guide plate is arranged on the auxiliary guide post, and a plurality of guide holes which can be respectively matched with the upper end of the auxiliary guide post in a sliding way are arranged on the guide plate; and a pressing block is arranged above the guide plate and is connected with the press. The utility model has the advantages of in impressing the box of gear box with many pieces of pins, simplified the pressure equipment step of many pieces of pins, promoted the efficiency of pressure equipment greatly.

Description

Synchronous press fitting device for gear box pins

Technical Field

The utility model relates to a synchronous pressure equipment device of gear box pin.

Background

In the press fitting process of the pins of the gear box, the existing press fitting device needs to press fit a plurality of pins one by one, and the gear box, the air cylinder and the pins to be pressed or the pins to be rotated or moved for a plurality of times due to different pin positions, so that the problems of complex operation, low efficiency and the like exist.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to solve current pin and pressed the round pin device and once can only impress the problem in pinhole with a piece of pin, provide one kind can be once only to the synchronous pressure round pin device of gear box pin of the many pieces of pins of gear box pressure equipment.

In order to solve the above problem, the utility model adopts the following technical scheme:

a synchronous press-fitting device for pins of a gear box comprises a bottom plate, wherein at least two support columns are arranged on the bottom plate, the support columns are basically vertical to the bottom plate, each support column is in vertical sliding connection with a main guide column, the lower end of the main guide column is limited in the support column to prevent the main guide column from being separated from the upper end of the support column, and a secondary guide column is fixed at the upper end of each main guide column; the guide plate is arranged on the auxiliary guide post, and a plurality of guide holes which can be respectively matched with the upper end of the auxiliary guide post in a sliding way are arranged on the guide plate; and a pressing block is arranged above the guide plate and is connected with the press. The device can once only impress many pieces of pins in the pinhole of gear box, improves the pressure equipment efficiency of pin.

Adopt the utility model discloses the operation steps of synchronous pressure equipment device pressure equipment pin of gear box pin are as follows: 1. the bottom of the gear box is aligned to the position of the bottom plate and is placed on the bottom plate, so that the gear box is kept in a stable state; 2. the circle centers of the pin holes on the positioning plate, the box body and the guide hole are superposed; 3. the slave guide post sequentially penetrates through the guide hole and the pin hole in the box body and is inserted into the pin hole in the positioning plate; 4. placing the pin to be pressed in the guide hole from the upper part of the guide column; 5. pressing the pressing block downwards, moving the pin downwards until the pin is pressed into the pin hole, and moving the pressing machine upwards; 6. and removing the guide plate, the auxiliary guide post and the box body, and repeating the steps.

Adopt the utility model discloses can once only impress many pieces of pins in the box of gear box, simplify the pressure equipment step of many pieces of pins, promote the efficiency of pressure equipment greatly.

Preferably, the bottom plate is provided with a male and female slot spigot structure which can be matched with a gear box workpiece. The bottom of the gear box is irregular, and the bottom plate adopts a male and female slot spigot structure, so that the gear box is in a stable state, the difficulty in press fitting of the pins of the gear box is reduced, and the machining precision is improved.

Preferably, a sliding hole extending up and down is formed in the supporting column, the main guide column is in sliding connection with the supporting column through the sliding hole, a limiting head is arranged at the lower end of the main guide column, and the outer surface of the limiting head is in threaded fit with the inner surface of the sliding hole. The sliding hole provides a space for the main guide post to move up and down, and limits the moving direction and position of the main guide post, so that the press-fitting precision of the device is improved. The limiting head can facilitate the assembly of the device. The position of the limiting head can be adjusted by rotating the limiting head, so that the elastic variable of the return spring is controlled, and the return spring is better reset.

Preferably, the main guide post is sleeved with a return spring for the part above the limiting head, and when the main guide post is pressed down, the return spring can enable the main guide post to have an upward return trend. The return spring can store the energy when the pressing block is pressed down, and the energy is released after the pressing is finished, so that the guide post is restored to the original height. The reset spring can simplify the step of resetting the main guide post after the synchronous press fitting device for the gear box pin presses the pin, and improve the efficiency of press fitting the pin and the energy utilization efficiency. The guide post is restored to the original height, the downward movement of the position of the pin in the unique and determined direction is guaranteed, the uneven stress of the pin is avoided, the guide hole of the guide plate or the gear box or the guide hole and the gear box are extruded together, the guide plate and the gear box are damaged, the press fitting qualified rate is improved, and the service life of the device is prolonged.

Preferably, the main guide post is provided with a positioning plate and a connecting block, and the positioning plate and the connecting block are provided with mortises matched with the lower ends of the slave guide posts, so that the slave guide posts can be inserted into the main guide post. The auxiliary guide post can be replaced according to the size, the thickness and the required press-fitting depth of the press-fitting pin, and the device can press-fit pins with different sizes, thicknesses and required press-fitting depths.

Preferably, the supporting column is provided with a groove which is matched with a connecting block arranged on the main guide column to prevent the main guide column from rotating in the movement, and the depth of the groove is greater than the distance from the upper end of the guide column to the upper end of the main guide column and is less than the height of the supporting column. The groove is matched with the connecting block to prevent the main guide post from rotating in the resetting process. The holes of the main guide posts are always aligned with the pin holes in the gear box body, and the press-fitting precision is improved.

Preferably, the lower end of the slave guide post is convex, so that the slave guide post can transmit downward pressure to the master guide post without causing movement between the master guide post and the slave guide post. The lower end of the guide post is protruded, so that the downward pressure is transmitted to the main guide post from the guide post, the static friction force of the contact surface of the main guide post and the auxiliary guide post is not completely relied on, and the service durability of the device is improved.

Preferably, the height of the guide post is smaller than the distance from the upper end of the guide plate to the upper end of the main guide post, and the height of the guide post is larger than the distance from the lower end of the guide plate to the upper end of the main guide post. The structure can enable the pin to be pressed to move downwards in a uniquely determined direction, and damage to the guide plate and the gear box is avoided.

Preferably, the guide plate has a guide hole formed therein, and the guide hole is formed in an inverted truncated cone shape having an inner diameter at an upper end thereof larger than an inner diameter at a lower end thereof. The guide hole is easier to place than the pin pressing-in pin hole, so that the difficulty of press fitting the pin by the device is reduced.

The utility model has the advantages of it is following: the press fitting device has the advantages that a plurality of pins can be pressed into the box body of the gear box at one time, the press fitting steps of the plurality of pins are simplified, and the press fitting efficiency is greatly improved. The bottom plate adopts a male and female slot spigot structure, so that the gearbox body can be stably placed; the supporting column adopts a groove matched with the connecting block of the main guide column, so that the guide block of the main guide column is prevented from rotating in motion, the press-mounting precision of the device is improved, and the rate of certified products of the gear box is improved; the guide plate adopts the guide hole of the shape of the inverted round platform, and the processing difficulty in the pin press-fitting process of the device is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the press-fitting process of the present invention;

fig. 3 is a schematic view of the support column of the present invention.

Detailed Description

Example 1:

as shown in fig. 1 to 3, a male-female slot spigot structure 15 matched with the bottom of the gear box 4 is arranged on the bottom plate 14, a groove and a protrusion on the bottom plate 14 are matched with a protrusion and a groove on the bottom of the gear box 4, and two supporting columns 11 which are perpendicular to the bottom plate 14 and are connected through bolts or tight fit are arranged on the bottom plate 14. Each supporting column 11 is provided with a sliding hole 13, the lower end of each sliding hole 13 is provided with a limiting head 12, and the outer surface of each limiting head 12 is in threaded fit with the inner surface of each sliding hole. The reset spring 10 is sleeved above the limiting head 12, a main guide column 9 with the bottom always positioned in the support column 11 is arranged above the reset spring 10, and the upper end of each main guide column 9 is respectively connected with a secondary guide column 5 through a mortise 8 with the inner diameter of the upper end larger than that of the lower end in a tight fit manner; a guide plate 3 is arranged above the guide post 5 and is positioned in the guide plate 3 from the upper surface of the guide post 5, a guide hole 16 is arranged on the guide plate 3, and the penetrating guide hole 16 is in a shape of a reversed circular truncated cone with the inner diameter of the upper end larger than that of the lower end. A pressing block 1 is arranged above the guide plate 3, and the pressing block 1 is connected with the press.

For the convenience of assembly of the device, the upper end of the main guide column 9 is divided into two parts, namely a positioning plate 6 and a connecting block 7 which are connected by using bolts or tight fit. Connecting block 7 forms the tight fit with horizontal groove 18 of support column 11 upper end, prevents that main guide post 9 from taking place to rotate in the reset process.

Adopt the utility model discloses the operation steps of synchronous pressure equipment device pressure equipment pin of gear box pin are as follows: 1. the bottom of the gear box 4 is aligned with the position of the bottom plate 14 and is placed on the bottom plate 14, so that the gear box 4 is kept in a stable state; 2. the circle center of the mortise 8 on the main guide column 9, the circle center of the pin hole 17 on the gear box 4 and the circle center of the guide hole 16 are superposed; 3. the guide post 5 passes through the guide hole 16 and the pin hole 17 on the gear box 4 in sequence and is inserted into the mortise 8 on the main guide post 9; 4. placing the pin 2 to be pressed in the guide hole 16 from above the guide post 5; 5. pressing block 1 is pressed down, pin 2 moves downwards until pin 2 is pressed into pin hole 17, and pressing block 1 moves upwards; 6. the guide plate 3, the guide post 5 and the box body 4 are removed, and the steps are repeated.

In order to press and mount more pins 2 with different heights, thicknesses and positions at one time, the bottom plate 14 can be provided with 2 or more support columns 11, the main guide column 9 can be provided with 2 or more auxiliary guide columns 5 corresponding to pin holes 17 with different heights, thicknesses and positions on the gear box 4, and the guide plate 3 can be provided with 2 or more guide holes 16 corresponding to the pin holes 17 on the gear box 4.

Claims

1. The utility model provides a synchronous pressure equipment device of gear box pin, includes the bottom plate, its characterized in that: the bottom plate is provided with at least two support columns which are basically vertical to the bottom plate, each support column is respectively in up-and-down sliding connection with one main guide column, the lower end of each main guide column is limited in the support column to prevent the main guide column from coming off from the upper end of the support column, and the upper end of each main guide column is respectively fixed with one auxiliary guide column;

the guide plate is arranged on the auxiliary guide post, and a plurality of guide holes which can be respectively matched with the upper end of the auxiliary guide post in a sliding way are arranged on the guide plate;

and a pressing block is arranged above the guide plate and is connected with the press.

2. The synchronous press fitting device for the gear box pin according to claim 1, wherein the bottom plate is provided with a male and female slot spigot structure which can be matched with a gear box workpiece.

3. A gear box pin synchronous press fitting device as claimed in claim 1, wherein a sliding hole extending up and down is formed in the supporting column, the main guide column is in sliding connection with the supporting column through the sliding hole, a limiting head is arranged at the lower end of the main guide column, and the outer surface of the limiting head is in threaded fit with the inner surface of the sliding hole.

4. A synchronous press fitting device for gear box pins as claimed in claim 3, wherein a return spring is sleeved on the part of the main guide post above the limiting head, and when the main guide post is pressed down, the return spring can enable the main guide post to have an upward return trend.

5. A synchronous press-fitting device for pins of a gearbox as claimed in claim 1, 3 or 4, wherein the main guide post is provided with a positioning plate and a connecting block, the positioning plate and the connecting block are provided with structures matched with the lower ends of the auxiliary guide posts, so that the auxiliary guide posts can be inserted into the main guide posts.

6. A synchronous press fitting device for pins of gear boxes according to claim 5, characterized in that the supporting column is provided with a groove which is matched with a connecting block arranged on the main guide column, and the depth of the groove is larger than the distance from the upper end of the guide column to the upper end of the main guide column and smaller than the height of the supporting column.

7. A synchronous press fitting device for gearbox pins as claimed in claim 1, wherein a one-step stepped projection is formed from the lower end of the guide post.

8. A synchronous press-fitting device for pins of gear boxes according to claim 1, wherein the height of the guide post is smaller than the distance from the upper end of the guide plate to the upper end of the main guide post and larger than the distance from the lower end of the guide plate to the upper end of the main guide post.

9. A synchronous press fitting device for pins of gear boxes according to claim 1, characterized in that the guide plates are provided with guide holes, and the guide holes penetrating through the guide plates are in the shape of an inverted truncated cone with an inner diameter at the upper end larger than that at the lower end.