A dismounting device

Abstract

The utility model relates to dismantling frock technical field, specifically disclose a kind of dismantling device, including support frame, drive rod, first drive block, second drive block and expansion assembly;Support frame can be supported and butt in bearing mounting piece;Drive rod is worn in support frame;First drive block is threadedly connected in drive rod;Second drive block is threadedly connected in drive rod;Expansion assembly has the first end and the second end of relative arrangement, the first end of expansion assembly can be set in second drive block outside, the second end of expansion assembly can be inserted into the inner ring of bearing outer ring;Second drive block can drive drive rod to move to open the second end of expansion assembly, and fold the first end of expansion assembly.The utility model is through the inner ring of expansion assembly clamping bearing outer ring, and cooperate support frame, drive rod, first drive block and second drive block can pull out bearing outer ring from bearing mounting piece, it is simple to take out, and the difficulty of dismantling device is lower, convenient for staff's use.

Description

Technical Field

[0001] This utility model relates to the field of disassembly tooling technology, and in particular to a disassembly device. Background Technology

[0002] Bearings are components primarily used to support rotational or reciprocating motion. Their core function is to reduce friction during movement, while also bearing loads and ensuring operational accuracy. Deep groove ball bearings are widely used in mechanical structures such as conveyor rollers and hydraulic press wheels in leaf re-drying production lines. During use, these bearings may malfunction due to ball wear, cage damage, or other issues. Therefore, these damaged bearings need to be replaced to restore the normal function of the rollers and hydraulic presses.

[0003] Currently, when disassembling bearings that need to be replaced due to wear, it often happens that the balls, cages, and inner rings have come out, while the outer ring remains in the inner bore of the rollers and wheels. In existing technology, the outer bearing ring is removed using pry tools and wrenches, but because there is a locating step in the inner bore of the rollers and wheels where the deep groove ball bearing is installed, the remaining outer bearing ring is obstructed by the step, making removal difficult. Utility Model Content

[0004] The purpose of this invention is to provide a disassembly device to solve the problem in the prior art where the outer ring of a bearing is removed by using a pry bar and a wrench, but the outer ring of the bearing is difficult to remove because there is a positioning step in the inner hole of the roller and wheel where the deep groove ball bearing is installed, which obstructs the removal of the remaining outer ring of the bearing.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] This utility model provides a disassembly device for disassembling the outer ring of a bearing within a bearing mounting assembly. The disassembly device includes:

[0007] A support frame capable of supporting the bearing mounting component;

[0008] A drive rod, which passes through the support frame;

[0009] A first drive block is threadedly connected to the drive rod and is located on the side of the support frame away from the bearing mounting component;

[0010] The second drive block is threaded to the drive rod and is located on the side of the support frame near the bearing mounting component;

[0011] An expansion assembly has a first end and a second end disposed opposite to each other. The first end of the expansion assembly can be sleeved on the outside of the second drive block, and the second end of the expansion assembly can extend into the inner ring of the outer ring of the bearing. The second drive block can drive the drive rod to move to open the second end of the expansion assembly and close the first end of the expansion assembly.

[0012] As an optional solution for the above-mentioned disassembly device, the expansion assembly includes an expansion block and a retaining ring. The expansion block includes a plurality of expansion blocks arranged sequentially around the expansion blocks, and the retaining ring is sleeved on the expansion blocks. An installation cavity is formed between one end of the expansion blocks, and the retaining ring is located at the position corresponding to the installation cavity. One end of the second driving block has a cylindrical step portion, which is inserted into the installation cavity. One end of the driving rod can pass through the cylindrical step portion and be located in the installation cavity.

[0013] As an alternative to the above-mentioned disassembly device, the end of the drive rod located in the mounting cavity has a tapered portion, the mounting cavity is a tapered cavity, and the tapered cavity corresponds to the tapered portion.

[0014] As an alternative to the above-mentioned disassembly device, the end of the expansion block away from the constricting ring has an arc-shaped boss, the outer ring of the bearing has a groove, and the arc-shaped boss can be engaged in the groove.

[0015] As an alternative to the above-mentioned disassembly device, the gathering ring is an elastic ring, the expansion block has a limiting groove, and several of the limiting grooves of the expansion blocks are arranged in sequence around each other, and the gathering ring can be fitted into several of the limiting grooves.

[0016] As an alternative to the above-mentioned disassembly device, the end of the second drive block opposite to the expansion component has a hexagonal structure.

[0017] As an alternative to the above-mentioned disassembly device, the end of the first drive block facing away from the support frame has a hexagonal structure.

[0018] As an alternative to the above-mentioned disassembly device, a thrust ball bearing is provided on the side of the first drive block facing the support frame, and the first drive block can drive the thrust ball bearing to abut against the support frame.

[0019] As an alternative to the above-mentioned disassembly device, the end of the drive rod away from the expansion assembly has a hexagonal structure.

[0020] As an alternative to the above-mentioned disassembly device, the support frame includes a crossbar and support feet, and the drive rod passes through the crossbar in a direction perpendicular to the crossbar; the support feet include at least two, and the at least two support feet are movably disposed on opposite sides of the crossbar along the length direction of the crossbar; the support feet are capable of supporting and abutting against the bearing mounting component.

[0021] The beneficial effects of this utility model are as follows:

[0022] The disassembly device includes a support frame, a drive rod, a first drive block, a second drive block, and an expansion assembly. The drive rod passes through the support frame, the first drive block is threaded to the drive rod and located on the side of the support frame away from the bearing mounting component, and the second drive block is threaded to the drive rod and located on the side of the support frame closer to the bearing mounting component. Thus, rotating either the first or second drive block can drive the drive rod to move, thereby adjusting the positions of the first and second drive blocks on the drive rod. The expansion assembly has a first end and a second end that are arranged opposite to each other. The first end of the expansion assembly can be sleeved on the outside of the second drive block, and the second end of the expansion assembly can extend into the inner ring of the bearing outer ring. The second drive block can drive the drive rod to move to open the second end of the expansion assembly and close the first end of the expansion assembly. Thus, the opened second end can be engaged with the inner ring of the bearing outer ring, and the closed first end can be clamped on the second drive block. Through the drive of the drive rod by the second drive block, the second drive block, the expansion assembly, and the bearing outer ring can be fixedly connected. At the same time, the support frame can support and abut against the bearing mounting part. Thus, by restricting the rotation of the drive rod and rotating the first drive block, the first drive block can be moved towards the side closer to the support frame and abut against the support frame. Continuing to rotate the first drive block can drive the drive rod to move the second drive block away from the bearing mounting part, thereby causing the bearing outer ring to finally detach from the bearing mounting part. The disassembly device uses an expansion assembly to engage the inner ring of the bearing outer ring, and together with the support frame, drive rod, first drive block and second drive block, it can pull the bearing outer ring out from the bearing mounting component. It is easy to remove, and the disassembly device is easy to install and remove, easy to use and convenient for workers. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the disassembly device provided in an embodiment of the present utility model;

[0024] Figure 2 This is a partial structural diagram of the disassembly device provided in an embodiment of the present utility model;

[0025] Figure 3 This is a cross-sectional view of the disassembly device provided in an embodiment of the present invention.

[0026] In the picture:

[0027] 1. Support frame; 11. Crossbar; 12. Support foot; 2. Drive rod; 21. Tapered part; 3. First drive block; 31. Thrust ball bearing; 4. Second drive block; 41. Columnar step part; 5. Expansion assembly; 51. First end; 52. Second end; 53. Expansion block; 531. Arc-shaped boss; 532. Limiting groove; 54. Gathering ring; 55. Mounting cavity. Detailed Implementation

[0028] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0029] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions. Moreover, "above," "on top of," and "over" the first feature in relation to the second feature includes the first feature directly above and diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "under," and "below" the first feature in relation to the second feature includes the first feature directly below and diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0032] like Figures 1-3 As shown, this embodiment provides a disassembly device for disassembling the outer ring of a bearing within a bearing mounting assembly.

[0033] The disassembly device includes a support frame 1, a drive rod 2, a first drive block 3, a second drive block 4, and an expansion assembly 5. The drive rod 2 passes through the support frame 1. The first drive block 3 is threadedly connected to the drive rod 2 and is located on the side of the support frame 1 away from the bearing mounting component. The second drive block 4 is threadedly connected to the drive rod 2 and is located on the side of the support frame 1 closer to the bearing mounting component. Thus, by rotating either the first drive block 3 or the second drive block 4, the drive rod 2 can be moved, thereby adjusting the position of the first drive block 3 and the second drive block 4 on the drive rod 2.

[0034] The expansion assembly 5 has a first end 51 and a second end 52 arranged opposite to each other. The first end 51 of the expansion assembly 5 can be sleeved on the second drive block 4, and the second end 52 of the expansion assembly 5 can extend into the inner ring of the bearing outer ring. The second drive block 4 can drive the drive rod 2 to move to open the second end 52 of the expansion assembly 5 and close the first end 51 of the expansion assembly 5. Thus, the opened second end 52 can be engaged with the inner ring of the bearing outer ring, and the closed first end 51 can be clamped on the second drive block 4. Through the drive of the drive rod 2 by the second drive block 4, the second drive block 4, the expansion assembly 5 and the bearing outer ring can be fixedly connected. At the same time, the support frame 1 can support and abut against the bearing mounting part. Thus, by restricting the rotation of the drive rod 2 and rotating the first drive block 3, the first drive block 3 can move towards the side closer to the support frame 1 and abut against the support frame 1. By continuing to rotate the first drive block 3, the drive rod 2 can drive the second drive block 4 to move away from the bearing mounting part, thereby causing the bearing outer ring to finally detach from the bearing mounting part. Optionally, the end of the drive rod 2 away from the expansion assembly 5 has a hexagonal structure, allowing the operator to manually or use a wrench to limit or adjust the drive rod 2 for ease of use. Further optionally, the end of the first drive block 3 opposite to the support frame 1 has a hexagonal structure, allowing the operator to manually or use a wrench to adjust the first drive block 3 for ease of use.

[0035] The disassembly device uses the expansion component 5 to engage with the inner ring of the bearing outer ring. Together with the support frame 1, drive rod 2, first drive block 3, and second drive block 4, it can pull the bearing outer ring out from the bearing mounting component. Removal is simple, and the disassembly device is easy to install and remove, making it convenient for workers. Optionally, the bearing mounting component can be a conveyor roller or a hydraulic roller wheel in a leaf re-drying production line. Of course, the bearing mounting component can also be other devices with bearings installed; this embodiment does not impose specific limitations.

[0036] like Figure 2 and Figure 3 As shown, the expansion assembly 5 includes expansion blocks 53 and a retaining ring 54. Several expansion blocks 53 are arranged sequentially around each other. The retaining ring 54 is sleeved around the expansion blocks 53 to constrict and restrict them, preventing them from spreading out. Simultaneously, a mounting cavity 55 is formed between one end of each expansion block 53, and the retaining ring 54 is located at the corresponding mounting cavity 55. One end of the second driving block 4 has a cylindrical step portion 41, which is inserted into the mounting cavity 55. One end of the driving rod 2 can pass through the cylindrical step portion 41. The stepped portion 41 is located within the mounting cavity 55, allowing the drive rod 2 to move relative to the cylindrical stepped portion 41 by rotating the second drive block 4. When the length of the drive rod 2 extending beyond the cylindrical stepped portion 41 increases, the end of the drive rod 2 can abut against and expand several expansion blocks 53 away from the cylindrical stepped portion 41 within the mounting cavity 55. Under the constraint of the tightening ring 54, the expansion blocks 53 close to the cylindrical stepped portion 41, thus achieving a fixed connection between the second drive block 4, the expansion assembly 5, and the bearing outer ring when the expansion blocks 53 are located within the inner ring of the bearing outer ring. Optionally, the end of the second drive block 4 facing away from the expansion assembly 5 has a hexagonal structure, allowing the operator to manually or with a wrench adjust the second drive block 4 for ease of use.

[0037] Specifically, the drive rod 2 has a tapered portion 21 at one end located within the mounting cavity 55. The mounting cavity 55 is a tapered cavity, and the tapered cavity corresponds to the tapered portion 21. Thus, the tapered portion 21 and the tapered cavity reduce the difficulty of opening several expansion blocks 53. Optionally, the end of the expansion block 53 away from the retaining ring 54 has an arc-shaped boss 531, and the bearing outer ring has a groove. The arc-shaped boss 531 can be engaged in the groove. Thus, the engagement of the arc-shaped boss 531 and the groove prevents the bearing outer ring from detaching from the expansion block 53, reducing the difficulty of removing the bearing outer ring from the bearing mounting component. The groove on the bearing outer ring can be a groove for installing bearing balls. Alternatively, the retaining ring 54 is an elastic ring, and the expansion block 53 is provided with a limiting groove 532. The limiting grooves 532 of several expansion blocks 53 are arranged in sequence around each other. The retaining ring 54 can be fitted into several limiting grooves 532. Thus, through the elastic installation of the retaining ring 54 in several limiting grooves 532, it can prevent the retaining ring 54 from falling off the expansion block 53 during the use of the disassembly device, which would lead to failure in removing the outer ring of the bearing or even damage to the disassembly device.

[0038] Furthermore, a thrust ball bearing 31 is provided on the side of the first drive block 3 facing the support frame 1. The first drive block 3 can drive the thrust ball bearing 31 to abut against the support frame 1, thereby reducing the difficulty of rotation when the first drive block 3 abuts against the support frame 1 and making it convenient for workers to use.

[0039] like Figure 1 As shown, the support frame 1 includes a crossbar 11 and support feet 12. A drive rod 2 passes through the crossbar 11 in a direction perpendicular to it. At least two support feet 12 are movably positioned on opposite sides of the crossbar 11 along its length. The support feet 12 can support and abut against the bearing mounting component. Adjusting the position of the support feet 12 on the crossbar 11 facilitates support and abutment against the bearing mounting component. Furthermore, after the support feet 12 are detached from the crossbar 11, they can be replaced with support feet 12 of other lengths or shapes to suit different types of bearing mounting components. Specifically, the support feet 12 are sleeved on the outside of the crossbar 11.

[0040] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A disassembly device for disassembling the outer ring of a bearing within a bearing mounting assembly, characterized in that, The disassembly device includes: A support frame (1) is provided, which is capable of supporting the bearing mounting component. A drive rod (2) is inserted through the support frame (1); The first drive block (3) is threaded to the drive rod (2) and is located on the side of the support frame (1) away from the bearing mounting part; The second drive block (4) is threaded to the drive rod (2) and is located on the side of the support frame (1) near the bearing mounting part; An expansion assembly (5) has a first end (51) and a second end (52) disposed opposite to each other. The first end (51) of the expansion assembly (5) can be sleeved on the second drive block (4), and the second end (52) of the expansion assembly (5) can extend into the inner ring of the outer ring of the bearing. The second drive block (4) can drive the drive rod (2) to move to open the second end (52) of the expansion assembly (5) and close the first end (51) of the expansion assembly (5).

2. The disassembly device according to claim 1, characterized in that, The expansion assembly (5) includes an expansion block (53) and a retaining ring (54). The expansion block (53) includes a plurality of expansion blocks, which are arranged in sequence around each other. The retaining ring (54) is sleeved on the outside of the plurality of expansion blocks (53). An installation cavity (55) is formed between one end of the plurality of expansion blocks (53). The retaining ring (54) is located at the position corresponding to the installation cavity (55). One end of the second driving block (4) has a cylindrical step portion (41). The cylindrical step portion (41) is inserted into the installation cavity (55). One end of the driving rod (2) can pass through the cylindrical step portion (41) and be located in the installation cavity (55).

3. The disassembly device according to claim 2, characterized in that, The drive rod (2) has a tapered portion (21) at one end located in the mounting cavity (55), the mounting cavity (55) is a tapered cavity, and the tapered cavity corresponds to the tapered portion (21).

4. The disassembly device according to claim 2, characterized in that, The expansion block (53) has an arc-shaped boss (531) at one end away from the constriction ring (54), and the outer ring of the bearing has a groove, the arc-shaped boss (531) being able to engage in the groove.

5. The disassembly device according to claim 2, characterized in that, The gathering ring (54) is an elastic ring, and the expansion block (53) has a limiting groove (532). The limiting grooves (532) of several expansion blocks (53) are arranged in sequence around each other, and the gathering ring (54) can be fitted into several limiting grooves (532).

6. The disassembly device according to claim 1, characterized in that, The end of the second drive block (4) facing away from the expansion component (5) has a hexagonal structure.

7. The disassembly device according to claim 1, characterized in that, The end of the first drive block (3) facing away from the support frame (1) has a hexagonal structure.

8. The disassembly device according to claim 1, characterized in that, The first drive block (3) is provided with a thrust ball bearing (31) on the side facing the support frame (1), and the first drive block (3) can drive the thrust ball bearing (31) to abut against the support frame (1).

9. The disassembly device according to claim 1, characterized in that, The end of the drive rod (2) away from the expansion assembly (5) has a hexagonal structure.

10. The disassembly device according to any one of claims 1 to 9, characterized in that, The support frame (1) includes a crossbar (11) and support feet (12). The drive rod (2) passes through the crossbar (11) in a direction perpendicular to the crossbar (11). The support feet (12) include at least two, and the at least two support feet (12) are movably disposed on opposite sides of the crossbar (11) along the length direction of the crossbar (11). The support feet (12) are capable of supporting and abutting against the bearing mounting component.

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