Tool for quickly replacing bearing

Abstract

The utility model discloses a tool for quickly replacing a bearing, which belongs to the technical field of machining and comprises a bottom plate, a slide rail is assembled on the upper end face of the bottom plate, an embedding block is embedded on the slide rail in a sliding manner, a positioning block is assembled on the upper end face of the embedding block, and a group of dismounting components is assembled on the upper end face of the positioning block. The tool for rapidly replacing the bearing has the advantages of being rapid in disassembly and replacement, improving working efficiency and improving safety, the threaded lead screw is driven to rotate by controlling the driving motor, the sliding barrel which is arranged outside the threaded lead screw in a meshed and sliding mode drives the three clamping jaws to move towards the inner side, and the bearing is rapidly replaced. Therefore, the bearing clamped among the three clamping jaws is detached and replaced, the time for replacing the bearing is greatly shortened, and the repair and maintenance efficiency is improved. Compared with a traditional knocking dismounting mode, the device has the advantages that the risk that the worker is injured due to careless operation can be reduced, and meanwhile, the working efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of machining, concretely relates to a quick bearing replacement tool. BACKGROUND

[0002] A bearing is a device used to support and reduce friction in rotating components in mechanical systems. It is typically composed of an inner race, an outer race, and rolling elements such as balls or rollers. The inner race is fixed to the rotating shaft, while the outer race is fixed to the base or housing of the mechanical equipment. The rolling elements are located between the inner and outer races and reduce friction and resistance by rolling. The main function of a bearing is to support the rotating components, allowing them to rotate freely on the shaft while bearing the load from the rotating components. They can withstand radial, axial, or combined loads and transfer these forces to the structure of the mechanical equipment. Bearings also reduce friction and energy loss, improving the efficiency of the mechanical system. Depending on the application requirements, bearings can have different types and structures. Common bearing types include rolling bearings (such as ball bearings and roller bearings) and sliding bearings (such as sliding sleeve bearings and sliding sheet bearings). Each type of bearing has its specific advantages and application range, and it is important to choose the appropriate bearing type according to the specific working conditions and load requirements.

[0003] In the prior art, when workers disassemble the bearings on the transmission shaft, they mostly use a hammer to replace them. However, this replacement method is inefficient and can easily accidentally injure the workers, making it inconvenient and unsafe. Therefore, a quick bearing replacement tool is proposed. UTILITY MODEL CONTENTS

[0004] In view of one or more of the above defects or improvement needs of the prior art, the utility model provides a quick bearing replacement tool, which has the advantages of quick disassembly and replacement, improved work efficiency, and improved safety.

[0005] To achieve the above-mentioned purpose, the utility model provides a quick bearing replacement tool, which comprises a bottom plate, a sliding rail is assembled on the upper end face of the bottom plate, a matching block is embedded and slid on the sliding rail, a positioning block is assembled on the upper end face of the matching block, and a group of disassembly assemblies are assembled on the upper end face of the positioning block.

[0006] The disassembly assembly comprises a motor mounting plate, a drive motor is assembled on the upper end face of the motor mounting plate, a threaded lead screw is connected to the output end of the drive motor, one end of the threaded lead screw penetrates through the motor mounting plate, a sliding cylinder is embedded and slid outside the threaded lead screw, three fixed blocks are arranged around the outside of the sliding cylinder, two connecting plates are rotatably connected to the outside of each of the three fixed blocks through a rotating shaft, and a clamping jaw is assembled between the two connecting plates on the same side.

[0007] As a further improvement of the utility model, the bottom plate upper end face one side is equipped with three jaw chuck and three jaw chuck is located in slide rail one end.

[0008] As a further improvement of the utility model, the bottom plate upper end face other side is equipped with guide rod cylinder, guide rod cylinder output end is connected with cylinder guide rod and cylinder guide rod one end is connected with positioning block.

[0009] As a further improvement of the utility model, the screw rod one end is equipped with positioning head.

[0010] As a further improvement of the utility model, three the claw is linear array with several mounting holes.

[0011] As a further improvement of the utility model, the fixed bolt is arranged between the two adjacent connecting plates on the same side, and the fixed bolt passes through the mounting hole on the claw.

[0012] Overall, compared with the prior art, the above technical scheme conceived by the utility model has the following beneficial effects:

[0013] The quick bearing replacement tool of the utility model, through the mutual cooperation between the components in the dismounting assembly, rotates the screw rod by controlling the driving motor, moves the three claws inward by the sliding cylinder outside the meshing, dismounts and replaces the bearings clamped between the three claws, greatly shortens the bearing replacement time, improves the maintenance efficiency, enables the staff to quickly complete the bearing replacement, compared with the traditional knocking dismounting mode, the device can reduce the risk of injury of the staff due to careless operation, and can improve the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the schematic diagram of the overall installation structure of the utility model;

[0015] Figure 2 It is the schematic diagram of the installation structure of the dismounting assembly of the utility model;

[0016] Figure 3 It is the schematic diagram of the dismounting structure of the dismounting assembly of the utility model.

[0017] In all the drawings, the same reference signs represent the same technical features, specifically: 1, bottom plate; 11, slide rail; 12, fitting block; 13, positioning block; 14, three jaw chuck; 15, guide rod cylinder; 151, cylinder guide rod; 2, dismounting assembly; 20, motor mounting plate; 21, driving motor; 22, screw rod; 23, sliding cylinder; 231, positioning head; 24, fixed block; 25, connecting plate; 251, fixed bolt; 26, claw; 261, mounting hole. DETAILED DESCRIPTION

[0018] 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Embodiment

[0020] By Figures 1-3 It is given that a quick bearing replacement tool includes a base plate 1, the upper end face of the base plate 1 is assembled with a sliding rail 11, the sliding rail 11 is embedded and matched with a sliding embedded block 12, the upper end face of the embedded block 12 is assembled with a positioning block 13, and the upper end face of the positioning block 13 is assembled with a group of disassembly assemblies 2.

[0021] The disassembly assembly 2 includes a motor mounting plate 20, the upper end face of the motor mounting plate 20 is assembled with a driving motor 21, the output end of the driving motor 21 is connected with a threaded lead screw 22, one end of the threaded lead screw 22 penetrates through the motor mounting plate 20, the threaded lead screw 22 is externally meshed and slidably provided with a sliding cylinder 23, three fixed blocks 24 are annularly arranged outside the sliding cylinder 23, two connecting plates 25 are rotatably connected to the outer sides of the three fixed blocks 24 through rotating shafts, and a clamping jaw 26 is assembled between the two connecting plates 25 on the same side.

[0022] In the embodiment, the components in the disassembly assembly 2 are matched with each other, the driving motor 21 is controlled to drive the threaded lead screw 22 to rotate, the sliding cylinder 23 externally meshed and slidably provided with the threaded lead screw 22 is driven to move inwardly, so that the bearings clamped between the three clamping jaws 26 are disassembled and replaced, the time for replacing the bearings is greatly shortened, and the efficiency of maintenance and repair is improved. The staff can quickly complete the bearing replacement, compared with the traditional knocking disassembly mode, the device can reduce the risk of injury of the staff due to careless operation, and can improve the work efficiency.

[0023] Specifically, referring to Figure 1 The upper end face of the base plate 1 is assembled with a three-jaw chuck 14 on one side, and the three-jaw chuck 14 is located at one end of the sliding rail 11.

[0024] In the embodiment, when the bearing needs to be disassembled from the workpiece, first, one end of the workpiece is installed in the three limiting clamping jaws of the three-jaw chuck 14, and then the three-jaw chuck 14 is adjusted to fix the workpiece.

[0025] Specifically, referring to Figure 1The other side of the upper end face of the base plate 1 is equipped with a guide rod cylinder 15, and the output end of the guide rod cylinder 15 is connected with a cylinder guide rod 151, and one end of the cylinder guide rod 151 is connected with the positioning block 13.

[0026] In the embodiment, the guide rod cylinder 15 is controlled to make the cylinder guide rod 151 connected with the output end of the guide rod cylinder 15 extend to one side, so as to push the disassembling assembly 2 to move to one side of the three-jaw chuck 14.

[0027] Specifically, referring to Figure 2 One end of the threaded screw rod 22 is equipped with a positioning head 231.

[0028] In the embodiment, when the bearing on the workpiece is disassembled and replaced, one end of the positioning head 231 is abutted with one end of the workpiece, so that the disassembling assembly 2 can be kept stable during subsequent disassembly.

[0029] Specifically, referring to Figures 2-3 A plurality of mounting holes 261 are linearly arranged on each of the three clamping claws 26, and a fixing bolt 251 is arranged to penetrate between the two adjacent connecting plates 25 on the same side and pass through the mounting hole 261 on the clamping claw 26.

[0030] In the embodiment, by adjusting the position of the fixing bolt 251 penetrating the mounting hole 261 arranged on the clamping claw 26, the clamping claw 26 can be adjusted so that the clamping claw 26 can cope with bearings of various sizes.

[0031] The utility model discloses a quick bearing replacement tool:

[0032] In actual use, first, the driving motor 21 is connected with an external power supply, the guide rod cylinder 15 is connected with an external gas source and given an output value, then the workpiece with the bearing to be disassembled is placed in the three-jaw chuck 14 and clamped and fixed, the guide rod cylinder 15 is controlled to make the cylinder guide rod 151 push the disassembling assembly 2 to move to one side of the clamped workpiece, when the three clamping claws 26 are located at the back side of the bearing, the fixing bolt 251 is adjusted to set the clamping claw 26 to the appropriate clamping position, when one end of the three clamping claws 26 clamps the back side of the bearing, the driving motor 21 is controlled and started to make the driving motor 21 drive the threaded screw rod 22 connected with the output end to rotate, when the threaded screw rod 22 rotates, the sliding cylinder 23 engaged with the outside of the threaded screw rod 22 moves the three clamping claws 26 in the stroke range of the threaded screw rod 22 and moves to one side of the driving motor 21, and finally the bearing is disassembled from the workpiece, which is convenient and fast.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quick replacement bearing tool, characterized in that: It comprises a bottom plate (1), the upper end surface of which is equipped with a sliding rail (11), the upper end surface of which is equipped with an embedded sliding block (12), the upper end surface of which is equipped with a positioning block (13), and the upper end surface of which is equipped with a group of disassembly assemblies (2); The disassembly assembly (2) comprises a motor mounting plate (20), the upper end surface of which is equipped with a drive motor (21), the output end of which is connected with a threaded lead screw (22) and one end of which penetrates the motor mounting plate (20), the outer surface of which is equipped with a sliding cylinder (23), the outer surface of which is equipped with three fixed blocks (24), and the outer surface of each of the three fixed blocks (24) is rotatably connected with two connecting plates (25) through a rotating shaft, and the two connecting plates (25) on the same side are jointly equipped with a claw (26).

2. The quick change bearing tooling of claim 1, wherein, The upper end surface of the bottom plate (1) is equipped with a three-jaw chuck (14) on one side and the three-jaw chuck (14) is located at one end of the sliding rail (11).

3. The quick change bearing tooling of claim 1, wherein, The upper end surface of the bottom plate (1) is equipped with a guide rod cylinder (15) on the other side, the output end of which is connected with a cylinder guide rod (151) and one end of which is connected with the positioning block (13).

4. The quick change bearing tooling of claim 1, wherein, One end of the threaded lead screw (22) is equipped with a positioning head (231).

5. The quick change bearing tooling of claim 1, wherein, A plurality of mounting holes (261) are linearly arranged on each of the three claws (26).

6. The quick change bearing tooling of claim 5, wherein, A fixing bolt (251) penetrates between the two adjacent connecting plates (25) on the same side and passes through the mounting hole (261) on the claw (26).

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