Bearing dismounting tool

Abstract

The utility model relates to the technical field of bearing disassembly, in particular to a bearing disassembly tool which comprises an operation table, a bearing assembly and a bearing assembly. The clamping mechanism comprises two first L-shaped plates slidably connected to the upper end of the operation table, the side walls, close to each other, of the two first L-shaped plates are fixedly connected with first arc-shaped plates, the side walls, away from the first L-shaped plates, of the first arc-shaped plates are provided with arc-shaped grooves, and the upper ends of the first arc-shaped plates are fixedly connected with vertical plates; a second arc-shaped plate is slidably connected to the side wall of the vertical plate, and two first air cylinders are fixedly connected to the upper end of the first L-shaped plate. According to the bearing dismounting device, the clamping mechanism and the ejection mechanism are arranged, the second air cylinder is adjusted to extend, at the moment, the ejection column moves downwards to vertically apply pressure to the rotating shaft, the rotating shaft in the clamped bearing is downwards pressed out, and dismounting of the bearing is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing dismounting technical field, concretely relates to a bearing dismounting frock. BACKGROUND

[0002] The bearing is an important spare part in contemporary mechanical equipment, and needs to be dismounted and replaced when the bearing in the rotating shaft of the mechanical equipment is damaged.

[0003] At present, the bearing is dismounted by applying knocking force on the bearing, and the bearing and the rotating shaft are dismounted, but the bearing dismounting method is time-consuming and laborious, especially the dismounting of the interference fit bearing, and the operation difficulty is big, and the dismounting mode damages the rotating shaft during the dismounting of the bearing, and the rotating shaft is scrapped. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and provides a bearing dismounting frock.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A bearing dismounting frock, comprising:

[0007] An operation table is fixedly connected with two supporting plates at the lower end;

[0008] A clamping mechanism comprises two first L-shaped plates slidingly connected to the upper end of the operation table, the side walls of the two first L-shaped plates close to each other are fixedly connected with first arc-shaped plates, the side walls away from the first L-shaped plates of the first arc-shaped plates are provided with arc-shaped grooves, the upper ends of the first arc-shaped plates are fixedly connected with vertical plates, the side walls of the vertical plates are slidingly connected with second arc-shaped plates, the upper ends of the first L-shaped plates are fixedly connected with two first air cylinders, and the movable ends of the two first air cylinders are fixedly connected with the upper ends of the corresponding second arc-shaped plates.

[0009] Preferably, it further comprises an ejection mechanism, the ejection mechanism comprises a second L-shaped plate fixedly connected to the upper end of the operation table, the upper end of the second L-shaped plate is fixedly connected with a second air cylinder, the side wall of the movable shaft of the second air cylinder is provided with a thread, the side wall of the thread is connected with an ejector post, the side wall of the operation table between the two first arc-shaped plates is provided with a circular groove, and the ejector post is opposite to the circular groove.

[0010] Preferably, the lower surface of the first arc-shaped plate is attached to the upper surface of the operation table, and the first arc-shaped plate and the second arc-shaped plate are consistent in shape and size.

[0011] Preferably, two supporting plates are provided with a moving mechanism for moving two first L-shaped plates, the moving mechanism comprises a bidirectional screw rod rotatably connected between the side walls of the two supporting plates, two sliding blocks are threadedly connected to the side walls of the bidirectional screw rod, the sliding blocks away from the side walls of the circular groove are fixedly connected to the side walls of the first L-shaped plates close to the sliding blocks through V-shaped rods, and one of the supporting plates is fixedly connected with a motor, and the movable end of the motor is fixedly connected to one end of the bidirectional screw rod.

[0012] Preferably, a plurality of slide rods are fixedly connected between the side walls of the two supporting plates, and the side walls of the plurality of slide rods are slidably connected to the side walls of the two sliding blocks.

[0013] The utility model has the following beneficial effects:

[0014] The clamping mechanism and the ejection mechanism are arranged, the second cylinder is adjusted to be elongated, the ejection column is lowered to vertically press the rotating shaft on the bearing, the rotating shaft in the clamped bearing is pressed downward and out, the bearing is disassembled, the knocking force is not applied to the bearing in the prior art, time and effort are saved, and the rotating shaft is not damaged. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A structural schematic view of a bearing dismounting tool is provided in the utility model;

[0016] Figure 2 A Figure 1 schematic view of a bottom structure;

[0017] Figure 3 A Figure 1 schematic view of a vertical sectional structure.

[0018] In the drawings: 1, operation table; 2, first L-shaped plate; 3, first arc-shaped plate; 4, arc-shaped groove; 5, vertical plate; 6, second arc-shaped plate; 7, first cylinder; 8, second L-shaped plate; 9, second cylinder; 10, ejection column; 11, circular groove; 12, bidirectional screw rod; 13, sliding block; 14, V-shaped rod; 15, motor; 16, slide rod; 17, supporting plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0020] Referring to Figures 1-3 , a bearing dismounting tool, comprising an operation table 1, and two supporting plates 17 fixedly connected to the lower end of the operation table 1.

[0021] The clamping mechanism comprises two first L-shaped plates 2 slidably connected to the upper end of the operating table 1, the mutually close side walls of the two first L-shaped plates 2 are fixedly connected with first arc-shaped plates 3, the side walls of the first arc-shaped plates 3 away from the first L-shaped plates 2 are provided with arc-shaped grooves 4, the upper ends of the first arc-shaped plates 3 are fixedly connected with vertical plates 5, the side walls of the vertical plates 5 are slidably connected with second arc-shaped plates 6, and the upper ends of the first L-shaped plates 2 are fixedly connected with two first air cylinders 7, and the movable ends of the two first air cylinders 7 are fixedly connected with the upper ends of the corresponding second arc-shaped plates 6.

[0022] The lower surface of the first arc-shaped plate 3 is attached to the upper surface of the operating table 1, and the first arc-shaped plate 3 and the second arc-shaped plate 6 are the same in shape and size.

[0023] When the bearing is disassembled, the two first L-shaped plates 2 are adjusted to slide away from or close to each other, so that the two arc-shaped grooves 4 can bear the bearing outer ring, then the bearing and the shaft connected thereto can be placed on the upper ends of the two arc-shaped grooves 4, and the inner side walls of the two arc-shaped grooves 4 are attached to the outer side walls of the bearing, at this time the bearing and the shaft connected thereto are opposite the circular groove 11, then the two first air cylinders 7 on the two first L-shaped plates 2 are adjusted to elongate, so that the two second arc-shaped plates 6 move downward to clamp the bearing outer ring, avoiding the bearing moving when the shaft is pressed subsequently.

[0024] The ejection mechanism comprises a second L-shaped plate 8 fixedly connected to the upper end of the operating table 1, a second air cylinder 9 fixedly connected to the upper end of the second L-shaped plate 8, a threaded hole formed in the side wall of the movable shaft of the second air cylinder 9, a ejection column 10 connected to the side wall of the threaded hole, and a circular groove 11 formed in the side wall of the operating table 1 between the two first arc-shaped plates 3, wherein the ejection column 10 is opposite the circular groove 11.

[0025] Adjust the elongation of the second air cylinder 9, at this time the ejection column 10 moves downward to vertically press the shaft, press the shaft in the clamped bearing downward, complete the disassembly of the bearing, avoid the knocking force on the bearing in the prior art, not only time-consuming and laborious, but also damage the shaft, resulting in the shaft being scrapped.

[0026] The two support plates 17 are provided with a moving mechanism for moving the two first L-shaped plates 2, the moving mechanism comprises a bidirectional screw 12 rotatably connected between the side walls of the two support plates 17, two sliding blocks 13 threadedly connected to the side walls of the bidirectional screw 12, and a V-shaped rod 14 fixedly connected between the side wall of the sliding block 13 away from the circular groove 11 and the side wall of the first L-shaped plate 2 close to it, one of the side walls of the support plates 17 is fixedly connected with a motor 15, and the movable end of the motor 15 is fixedly connected with one end of the bidirectional screw 12.

[0027] Further, the bidirectional screw rod 12 is arranged at the side of the circular groove 11 and does not hinder the downward movement of the pressed-down rotating shaft, when the motor 15 rotates clockwise to drive the bidirectional screw rod 12 to rotate clockwise, at this time, the two sliding blocks 13 can be close to each other, and the two first L-shaped plates 2 are driven to be close to each other by the two U-shaped rods 14, when the motor 15 rotates counterclockwise to drive the bidirectional screw rod 12 to rotate counterclockwise, at this time, the two sliding blocks 13 can be far away from each other, and the two first L-shaped plates 2 are driven to be far away from each other by the two U-shaped rods 14.

[0028] The plurality of sliding rods 16 are fixedly connected between the side walls of the two supporting plates 17, and the side walls of the plurality of sliding rods 16 are slidably connected with the side walls of the two sliding blocks 13, so as to ensure the horizontal movement of the two sliding blocks 13.

[0029] When the bearing and the rotating shaft inside the bearing are disassembled, first, the motor 15 is driven to rotate clockwise or counterclockwise, at this time, the bidirectional screw rod 12 rotates clockwise or counterclockwise to drive the two sliding blocks 13 to be close to each other or far away from each other, and the two first L-shaped plates 2 are driven to be close to each other or far away from each other by the two U-shaped rods 14, so as to adjust the distance between the two first arc-shaped plates 3 and the two second arc-shaped plates 6, so that the two arc-shaped grooves 4 can bear the bearing outer ring,

[0030] After the adjustment is completed, the bearing and the rotating shaft connected therewith are placed on the upper ends of the two arc-shaped grooves 4, and the inner side walls of the two arc-shaped grooves 4 are in contact with the outer side walls of the bearing, at this time, the bearing and the rotating shaft connected therewith are opposite to the circular groove 11, then the two first cylinders 7 on the two first L-shaped plates 2 are adjusted to be elongated, so that the two second arc-shaped plates 6 are moved downward to clamp the bearing outer ring, so as to avoid the movement of the bearing when the rotating shaft is pressed in the subsequent process;

[0031] At this time, the ejection column 10 is opposite to the rotating shaft, the second cylinder 9 is adjusted to be elongated, at this time, the ejection column 10 is moved downward to vertically press the rotating shaft, the rotating shaft in the clamped bearing is pressed downward, the disassembly of the bearing is completed, and the knocking force is not applied to the bearing in the prior art, which not only saves time and effort, but also avoids damaging the rotating shaft and causing the rotating shaft to be scrapped.

[0032] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A bearing disassembly tool, characterized in that: include: An operating table (1), wherein two support plates (17) are fixedly connected to the lower end of the operating table (1); A clamping mechanism, the clamping mechanism comprising two first L-shaped plates (2) slidably connected to the upper end of an operating table (1), the side walls of the two first L-shaped plates (2) close to each other are fixedly connected to a first arc-shaped plate (3), the side wall of the first arc-shaped plate (3) away from the first L-shaped plate (2) is provided with an arc groove (4), the upper end of the first arc-shaped plate (3) is fixedly connected to a vertical plate (5), the side wall of the vertical plate (5) is slidably connected to a second arc-shaped plate (6), the upper end of the first L-shaped plate (2) is fixedly connected to two first cylinders (7), and the movable ends of the two first cylinders (7) are fixedly connected to the upper end of the corresponding second arc-shaped plate (6).

2. A bearing disassembly tool according to claim 1, characterized in that: The invention also includes an ejection mechanism, wherein the ejection mechanism includes a second L-shaped plate (8) fixedly connected to the upper end of the operating table (1), the upper end of the second L-shaped plate (8) is fixedly connected to a second cylinder (9), a side wall of a movable shaft of the second cylinder (9) is provided with a thread, the threaded side wall is connected to an ejection column (10), and a side wall of the operating table (1) located between the two first arc-shaped plates (3) is provided with a circular groove (11), and the ejection column (10) is directly opposite to the circular groove (11).

3. A bearing disassembly tool according to claim 1, characterized in that: The lower surface of the first curved plate (3) is fitted with the upper surface of the operating table (1); the first curved plate (3) and the second curved plate (6) are consistent in shape and size.

4. A bearing disassembly tool according to claim 2, characterized in that: The two support plates (17) are provided with a moving mechanism for driving the two first L-shaped plates (2) to move, the moving mechanism comprising a bidirectional screw (12) rotatably connected between the side walls of the two support plates (17), the side walls of the bidirectional screw (12) being threadedly connected to two sliders (13), the side walls of the sliders (13) being away from the circular groove (11) being fixedly connected to the side walls of the first L-shaped plates (2) close thereto via U-shaped rods (14), one of the side walls of the support plates (17) being fixedly connected to a motor (15), the movable end of the motor (15) being fixedly connected to one end of the bidirectional screw (12).

5. A bearing disassembly tool according to claim 4, characterized in that: A plurality of slide bars (16) are fixedly connected between the side walls of the two support plates (17), and the side walls of the plurality of slide bars (16) are all slidably connected to the side walls of the two sliders (13).

Images