Bearing withdrawal machine

Abstract

The utility model relates to the field of bearing withdrawal, and discloses a bearing withdrawal machine which comprises two fixing blocks, the two fixing blocks are connected to the top face of a workbench respectively, first threaded holes are formed in one sides of the two fixing blocks respectively, the interiors of the two first threaded holes are in threaded connection with threaded lead screws respectively, and the threaded lead screws are connected with a bearing. Two threaded lead screws are arranged on the workbench, one ends of the two threaded lead screws are connected with rotating rings correspondingly, mounting blocks are rotationally arranged on the outer walls of the two rotating rings correspondingly, the two sides, close to each other, of the two mounting blocks are connected with extrusion plates correspondingly, and a hydraulic rod is arranged above the workbench. According to the bearing disassembling device, the rotating shaft on the bearing is separated from the bearing through the downward acting force of the fixing disc, so that the operation of disassembling the bearing and the rotating shaft is achieved, the distance between the two extrusion plates is adjusted through the threaded lead screw, the bearing disassembling device can meet the requirements of bearings of different specifications and sizes, the bearing to be processed can be firmly clamped, and the bearing disassembling efficiency is improved. And the adaptability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bearing unloading, specifically to a bearing unloading machine. BACKGROUND

[0002] Bearing as the core component in mechanical equipment, their main function is to support the rotating body in the machinery, such as shaft or hub, while significantly reducing the friction coefficient in the movement process. This feature not only reduces energy loss, but also improves mechanical efficiency and performance. During the mechanical operation, bearings bear complex load and stress, including radial force, axial force and overturning moment, etc. The action of these forces makes the bearing internal produce wear and heat, and with the passage of time, this wear gradually accumulates, which may lead to the performance degradation of the bearing, and even failure.

[0003] According to the Chinese patent with the publication number CN212577963U, a bearing unloading device, comprising an unloading block, one end of the unloading block is provided with an unloading plate, the unloading plate is provided with a gap for the locomotive wheel drive shaft to pass through, the inner side of the unloading plate forms an unloading surface, the inner side of the unloading plate is provided with an avoidance groove, and the avoidance groove is provided with a lifting platform for lifting the unloaded bearing away from the unloading plate side.

[0004] In the above scheme, the avoidance groove is an arc-shaped groove for fixing the bearing. The above scheme still has the following disadvantages: since the shape of the avoidance groove is fixed and the inner diameter of the avoidance groove cannot be adjusted, when different sizes of bearings need to be unloaded, the device cannot adapt to bearings of different sizes, resulting in poor adaptability of the overall device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a bearing unloading machine to solve the problem that the shape of the avoidance groove is fixed and the inner diameter of the avoidance groove cannot be adjusted, resulting in poor adaptability of the overall device when different sizes of bearings need to be unloaded.

[0006] In order to achieve the above utility model purpose, the utility model adopts the following technical scheme: a bearing unloading machine, comprising two fixed blocks, two fixed blocks are connected on the top surface of the workbench, a first threaded hole is formed on one side of each fixed block, a threaded hole is formed in the inner part of each first threaded hole, a threaded screw rod is connected in the threaded hole, one end of each threaded screw rod is connected with a rotating ring, an installation block is rotatably arranged on the outer wall of each rotating ring, an extrusion plate is connected on the two sides of each installation block, a hydraulic rod is arranged above the workbench.

[0007] Preferably, the top surface of the workbench is connected with a mounting frame, a mounting hole is arranged in the middle of the top surface of the mounting frame, and the inner wall surface of the mounting hole is connected with the mounting end of the hydraulic rod.

[0008] Preferably, two sliding grooves are arranged at the left and right ends of the top surface of the workbench respectively, a plurality of sliding blocks are slidably arranged in the interiors of the sliding grooves respectively, and the top surfaces of the sliding blocks are connected with the bottom surface of the extrusion plate.

[0009] Preferably, two placing grooves are arranged at the two sides of the two extrusion plates respectively, and a bearing is arranged between the two placing grooves.

[0010] Preferably, a plurality of second threaded holes are arranged at the left and right sides of the top surface of the workbench respectively, a plurality of fixing bolts are inserted into the fixing block, and the threaded ends of the fixing bolts are threadedly connected with the interiors of the second threaded holes.

[0011] Preferably, a fixing disc is connected with the telescopic end of the hydraulic rod, and the other ends of the two threaded lead screws are respectively connected with handles.

[0012] Compared with the prior art, the bearing dismounting machine has the following beneficial effects:

[0013] I. In use, the worker rotates the two handles, the two handles drive the two threaded lead screws to rotate respectively, the threaded lead screws are threadedly connected with the fixing block, thereby the two mounting blocks can be driven to approach each other, at this time, the two extrusion plates approach each other; it should be noted that a gap needs to be pre-stored between the two extrusion plates, when the bearing is placed, the rotating shaft on the bearing can be in a suspended state, at this time, the worker places the bearing between the two placing grooves.

[0014] Subsequently, the worker starts the hydraulic rod, the telescopic end of the hydraulic rod drives the fixing disc to move downward, at this time, the fixing disc will extrude the rotating shaft on the bearing downward, in the extrusion process, the rotating shaft on the bearing will be subjected to the force of the fixing disc, thereby the rotating shaft on the bearing is separated from the bearing, thereby the operation of dismounting the bearing and the rotating shaft is achieved; the interval between the two extrusion plates is adjusted by the threaded lead screw, which can adapt to the bearing demand of different specifications and sizes, and can firmly clamp the bearing to be processed, thereby the adaptability of the device is greatly improved.

[0015] II. In use, the sliding groove can limit the movement direction of the sliding block, thereby limiting the position of the extrusion plate and the extrusion plate, the use of the sliding groove and the threaded lead screw can accurately position the extrusion plate, thereby the shaft in the bearing can be conveniently disassembled, for the same batch of bearings, the interval between the extrusion plate and the extrusion plate does not need to be adjusted again, thereby the work efficiency is improved.

[0016] III. In use, different sizes of shafts are handled by the coordinated work of the hydraulic rod and the fixed disc, so that the shaft in the bearing can be quickly and efficiently disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A perspective view of an embodiment.

[0018] Figure 2 A perspective view of a hydraulic rod of an embodiment.

[0019] Figure 3 A split perspective view of a sliding groove of an embodiment.

[0020] Figure 4 A perspective view of a rotating ring of an embodiment.

[0021] In the figure: 1, fixed block; 2, workbench; 3, first threaded hole; 4, threaded screw; 5, rotating ring; 6, mounting block; 7, extrusion plate; 8, hydraulic rod; 9, mounting frame; 10, mounting hole; 11, sliding groove; 12, sliding block; 13, placement groove; 14, bearing; 15, second threaded hole; 16, fixed bolt; 17, fixed disc; 18, handle. DETAILED DESCRIPTION

[0022] The preferred embodiment of the present application will be described in detail below with reference to the accompanying drawings.

[0023] As Figures 1-4 shown, a bearing dismounting machine, comprising two fixed blocks 1, the two fixed blocks 1 are respectively connected on the top surface of a workbench 2, a first threaded hole 3 is formed on one side of each fixed block 1, a threaded screw 4 is respectively screwed into each first threaded hole 3, a rotating ring 5 is connected to one end of each threaded screw 4, a mounting block 6 is rotatably arranged on the outer wall of each rotating ring 5, an extrusion plate 7 is connected to each mounting block 6 on the side closer to the other mounting block 6, a hydraulic rod 8 is arranged above the workbench 2, a mounting frame 9 is connected to the top surface of the workbench 2, a mounting hole 10 is formed in the middle of the top surface of the mounting frame 9, the inner wall surface of the mounting hole 10 is connected to the mounting end of the hydraulic rod 8, a placement groove 13 is formed on each side of each extrusion plate 7 closer to the other extrusion plate 7, a bearing 14 is placed between the two placement grooves 13, a plurality of second threaded holes 15 are formed on the left and right sides of the top surface of the workbench 2, a plurality of fixed bolts 16 are inserted into the fixed blocks 1, the threaded ends of the fixed bolts 16 are threadedly connected to the interiors of the second threaded holes 15, a handle 18 is connected to the other end of each threaded screw 4, and a fixed disc 17 is connected to the telescopic end of the hydraulic rod 8.

[0024] In use, the worker rotates the two handles 18, the two handles 18 drive the two threaded rods 4 to rotate respectively, the threaded rods 4 are connected with the fixed block 1 through threads, thereby the two mounting blocks 6 can be driven to move close to each other, at this time, the two extrusion plates 7 move close to each other;

[0025] It should be noted that a gap is needed between the two extrusion plates 7, when the bearing 14 is placed, the rotating shaft on the bearing 14 can be in a suspended state, at this time, the worker places the bearing 14 between the two placing grooves 13.

[0026] Then the worker starts the hydraulic rod 8, the telescopic end of the hydraulic rod 8 drives the fixed disc 17 to move downward, at this time, the fixed disc 17 will extrude the rotating shaft on the bearing 14 downward, in the extrusion process, the rotating shaft on the bearing 14 will be subjected to the force of the fixed disc 17, thereby the rotating shaft on the bearing 14 is separated from the bearing 14, thereby the operation of dismounting the bearing 14 and the rotating shaft is achieved.

[0027] The interval between the two extrusion plates 7 is adjusted through the threaded rod 4, which can adapt to the demand of bearings 14 of different specifications and sizes, and can firmly clamp the bearing 14 to be processed, greatly improving the adaptability of the device.

[0028] As shown in Figure 1 Fig. 4, the top surface of the workbench 2 is provided with two T-shaped grooves 11 at the left and right ends respectively, the inner part of the grooves 11 is slidably provided with a plurality of T-shaped blocks 12, the top surface of the blocks 12 is connected with the bottom surface of the extrusion plates 7.

[0029] In use, the blocks 12 slide in the grooves 11, which can ensure that the two extrusion plates 7 are in the same horizontal plane when moving, and can ensure that the bearing 14 does not tilt when placed, improving the accuracy in the dismounting process.

[0030] The above is only the preferred specific implementation 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 unmounting machine comprising two fixed blocks (1), characterized in that, Two fixed blocks (1) are connected on the top surface of the workbench (2), one side of the two fixed blocks (1) is provided with a first threaded hole (3), the inner part of the two first threaded holes (3) is respectively threaded connected with a threaded screw rod (4), one end of the two threaded screw rods (4) is respectively connected with a rotating ring (5), the outer wall of the two rotating rings (5) is respectively provided with a mounting block (6) which is rotatably arranged, the two mounting blocks (6) are respectively connected with an extrusion plate (7) on the two sides close to each other, the top of the workbench (2) is provided with a hydraulic rod (8).

2. A bearing unmounting machine according to claim 1, characterized in that: The top surface of the workbench (2) is connected with a mounting frame (9), the middle position of the top surface of the mounting frame (9) is provided with a mounting hole (10), the inner wall surface of the mounting hole (10) is connected with the mounting end of the hydraulic rod (8).

3. A bearing unmounting machine according to claim 1, characterized in that: The top surface of the workbench (2) is respectively provided with two slide grooves (11) at the left and right ends, the inner part of the several slide grooves (11) is respectively provided with a sliding block (12), the top surface of the several sliding blocks (12) is connected with the bottom surface of the extrusion plate (7).

4. The bearing unmounting machine of claim 1, wherein: The two extrusion plates (7) are respectively provided with a placing groove (13) on the two sides close to each other, the bearing (14) is placed between the two placing grooves (13).

5. The bearing unmounting machine of claim 1, wherein: The top surface of the workbench (2) is respectively provided with several second threaded holes (15) on the left and right sides, the fixed block (1) is inserted with several fixed bolts (16), the threaded end of the fixed bolt (16) is screwed with the inside of the second threaded hole (15).

6. A bearing unmounting machine according to claim 1, characterized in that: The telescopic end of the hydraulic rod (8) is connected with a fixed disc (17), the other end of the two threaded screw rods (4) is respectively connected with a handle (18).

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