Bearing dismounting tool

Abstract

The utility model discloses a bearing dismounting tooling, relates to mechanical tooling technical field, the bearing dismounting tooling is used for dismounting the bearing on the shaft body, the bearing dismounting tooling includes mounting seat, hooking piece and driving piece, the mounting seat includes the seat body and is equipped with the first mounting rod above the seat body, the hooking piece is equipped with the first mounting rod above the seat body, the driving piece is equipped with the second mounting rod above the seat body, and the first mounting rod is equipped with the second mounting rod above the seat body. The first mounting rod extends in the horizontal direction; the hooking piece comprises a hooking claw, the hooking claw comprises an extending part and a hooking part, the extending part is arranged on the first mounting rod and extends in the vertical direction, and the hooking part is arranged on the first mounting rod in a protruding mode in the horizontal direction and used for abutting against the lower end face of a bearing; and the driving piece is used for driving the shaft body to move downwards relative to the bearing when the hook claw hooks the bearing. According to the technical scheme, the matching relation and the position relation of the hooking piece and the driving piece are reasonably arranged, the bearing is disassembled in a simple structure mode, operation is convenient, and working efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical tooling technical field, especially a bearing dismounting tool. BACKGROUND

[0002] Bearing is important component part in mechanical equipment such as speed reducer, needs replacing bearing in the process of assembling and maintaining. In prior art, in order to operate conveniently, usually adopt the way of knocking to dismount and replace bearing, however, this kind of way is easy to cause secondary damage to bearing, and when bearing is assembled on the shaft with interference, needs to be knocked for many times, and the replacement efficiency is lower, how to design a bearing dismounting tool with convenient operation and high working efficiency is an urgent problem to be solved. SUMMARY

[0003] The utility model discloses a bearing dismounting tool, aiming at solving the problem of low dismounting efficiency of the bearing dismounting tool with simple structure at present.

[0004] To achieve the above object, the utility model provides a bearing dismounting tool for dismounting bearing on the shaft body, the bearing dismounting tool includes:

[0005] Mounting seat, including seat body and first mounting rod arranged above the seat body, the first mounting rod extends along the horizontal direction;

[0006] Hooking piece, including hook claw, the hook claw includes extension part and hooking part, the extension part is arranged on the first mounting rod and extends along the vertical direction, the hooking part is protruded on the first mounting rod along the horizontal direction and is used for abutting with the lower end surface of bearing, and,

[0007] Driving part is used for driving the shaft body to move downward relative to bearing when the hook claw hooks bearing.

[0008] In an embodiment, the mounting seat further includes two second mounting rods oppositely arranged in the horizontal direction, two second mounting rods are arranged above the seat body and are connected with two ends of the first mounting rod respectively, two second mounting rods and the first mounting rod form a containing space above the seat body, and the containing space is used for cooperating with the shaft body with bearing and the hook claw.

[0009] In an embodiment, the driving part includes:

[0010] Pressing part, along the vertical direction, is movably arranged on the first mounting rod, the pressing part partially extends into the containing space and is used for pushing the shaft body after cooperating with the hook claw, and,

[0011] Driving part, driving connection with the pressing part, is used to drive the pressing part to move along the vertical direction.

[0012] In an embodiment, the driving part comprises:

[0013] A third mounting rod is arranged on the seat body and extends in the vertical direction;

[0014] A mounting block is arranged on the third mounting rod;

[0015] A pressing rod is movably arranged on the mounting block in the vertical direction; and

[0016] A rocker is in driving connection with the pressing rod, so that the pressing rod moves in the vertical direction when the rocker rotates;

[0017] The pressing part is connected with the pressing rod to move along with the pressing rod.

[0018] In an embodiment, two claws are arranged and are arranged on both sides of the pressing part to cooperate with the shaft body.

[0019] In an embodiment, the cross section of the two extension parts in the vertical direction is arranged in an arc shape to abut against the outer side of the bearing on the shaft body.

[0020] In an embodiment, the bearing dismounting tool further comprises two clamping pieces, the two clamping pieces are detachably mounted on the first mounting rod and are located on the two sides opposite to the two extension parts to position the extension parts.

[0021] In an embodiment, the seat body further comprises a buffer part arranged on the side close to the first mounting rod to receive the dismounted shaft body.

[0022] In an embodiment, the bearing dismounting tool further comprises an abutting piece arranged at the lower end of the pressing part to abut against the upper end of the shaft body.

[0023] In an embodiment, the side end of the second mounting rod is provided with a plurality of reinforcing ribs.

[0024] The technical scheme of the utility model, by setting the hooking piece, and positioning the shaft body to the hooking piece, facilitates the subsequent dismounting of the bearing, specifically, the hooking piece comprises a claw, the claw has an extension part extending in the vertical direction, and a hooking part abutting against the lower end surface of the bearing, so that the bearing is hung on the claw, and the bearing is positioned in the vertical direction, further, by setting the driving piece to drive the shaft body to move downward relative to the bearing, the dismounting of the bearing is realized, the whole device has simple structure and convenient operation, and can be widely applied to production lines to improve work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below are only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative labor.

[0026] Figure 1 The structural schematic diagram of an embodiment of the bearing dismounting tool provided by the present application is shown in the figure.

[0027] Figure 2 For Figure 1 The structural schematic diagram of the mounting seat and the hooking part.

[0028] Explanation of the reference signs:

[0029] 100, bearing dismounting tool; 1, mounting seat; 11, seat body; 12, first mounting rod; 13, second mounting rod; 14, buffer part; 15, reinforcing rib; 2, hooking part; 21, hook claw; 211, extension part; 212, hooking part; 3, driving part; 31, pressing part; 32, driving part; 321, third mounting rod; 322, mounting block; 323, pressing rod; 324, rocker; 200, shaft body.

[0030] The realization, functional features and advantages of the present application will be further described with reference to the embodiments and the drawings. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0032] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture, and if the specific posture changes, the directional indications will also change accordingly.

[0033] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one feature. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.

[0034] The bearing is an important component part in mechanical equipment such as speed reducer, and needs to be replaced during assembly and maintenance. In the prior art, in order to operate conveniently, the bearing is usually disassembled and replaced by knocking, however, the bearing is easily damaged by secondary damage, and when the bearing is assembled on the shaft with interference, it needs to be knocked for many times, and the replacement efficiency is low, how to design a bearing dismounting tool with convenient operation and high working efficiency is a problem to be solved.

[0035] The main purpose of the utility model is to provide a bearing dismounting tool, which aims to solve the problem of low dismounting efficiency of the bearing dismounting tool with simple structure at present.

[0036] Please refer to Figure 1 The utility model provides a bearing dismounting tool 100 for dismounting the bearing on the shaft body 200, the bearing dismounting tool 100 includes mounting seat 1, hooking piece 2 and driving part 3, the mounting seat 1 includes seat body 11 and first installation rod 12 arranged on the seat body 11, the first installation rod 12 extends along the horizontal direction, the hooking piece 2 includes hook claw 21, the hook claw 21 includes extension part 211 and hooking part 212, the extension part 211 is arranged on the first installation rod 12 and extends along the vertical direction, the hooking part 212 is protruded on the first installation rod 12 along the horizontal direction and is used for abutting with the lower end surface of the bearing, the driving part 3 is used for driving the shaft body 200 to move downward relative to the bearing when the hook claw 21 hooks the bearing.

[0037] The utility model discloses a technical scheme, through setting up the hooking piece 2, and the shaft body 200 is positioned to the hooking piece 2, and it is convenient for subsequent disassembly of bearing, specifically, the hooking piece 2 includes claw 21, the claw 21 has the extension 211 along the vertical direction extension, and the hooking part 212 for with the lower end surface of bearing is in contact, to make bearing hang in the claw 21, to make bearing be positioned in the vertical direction, further, through setting up driving member 3 drive shaft body 200 relative bearing downward activity, to realize the disassembly of bearing, whole device, simple structure, convenient operation can be widely applied to production line, improve work efficiency.

[0038] Need to explain, this scheme does not limit the specific implementation form of mounting seat 1, please refer to Figure 1 In the preferred embodiment of the present scheme, the mounting seat 1 further includes two second mounting rods 13 arranged oppositely in the horizontal direction, the two second mounting rods 13 are arranged above the seat body 11 and connected to the two ends of the first mounting rod 12 respectively, the two second mounting rods 13 and the first mounting rod 12 form a containing space above the seat body 11 for accommodating the shaft body 200 with the bearing and the claw 21. In this way, the overall structure is more compact, and the claw 21 is provided with a hanging space in a simple structure, and the frame structure can avoid interference between the hooking piece 2 and external objects, thereby improving the stability of the tooling.

[0039] In another embodiment, the mounting seat 1 includes a fourth mounting rod having a vertically extending support portion and a connecting portion extending in another horizontal direction, the support portion is arranged on the seat body 11, and the connecting portion is connected to the upper end of the support portion at one end and connected to the middle part of the first mounting rod 12 at the other end. In this way, the structure is simpler, and the manufacturing cost of the tooling is saved.

[0040] It is worth mentioning that the side end of the second mounting rod 13 is provided with a plurality of reinforcing ribs 15, thereby further improving the stability of the tooling. Specifically, the reinforcing ribs 15 are distributed on the side end of the second mounting rod 13 in the other horizontal direction and connect the top end of the second mounting rod 13 and the edge of the seat body 11 to form a triangle with the second mounting rod 13 and the seat body 11, thereby making the tooling more stable.

[0041] It is also necessary to explain that the specific implementation form of the driving member 3 is not limited in the present scheme, please refer to Figure 1In the preferred embodiment of the present application, the driving member 3 comprises a pressing portion 31 and a driving portion 32, the pressing portion 31 is movably arranged on the first mounting rod 12 in the vertical direction, and partially extends into the accommodating space for pushing the shaft body 200 after cooperating with the hook claw 21; the driving portion 32 is drivingly connected with the pressing portion 31 for driving the pressing portion 31 to move in the vertical direction. In this way, the driving portion 32 can realize the dismounting of the bearing by driving the pressing portion 31 to move, which is simple to operate and improves the work efficiency, and the pressing portion 31 is arranged on the first mounting rod 12, so that the overall structure is more compact.

[0042] In another embodiment, the driving member 3 comprises a pneumatic cylinder, which is fixed above the hooking member 2 by a support, and the pneumatic cylinder rod extends in the vertical direction, and the dismounting of the bearing is realized by controlling the extension and retraction of the pneumatic cylinder rod, which is convenient to operate and facilitates automation.

[0043] Further, the driving portion 32 comprises a third mounting rod 321, a mounting block 322, a pressing rod 323 and a rocker 324, the third mounting rod 321 is arranged on the seat body 11 and extends in the vertical direction, the mounting block 322 is arranged on the third mounting rod 321, the pressing rod 323 is movably arranged on the mounting block 322 in the vertical direction, the rocker 324 is drivingly connected with the pressing rod 323, so that the pressing rod 323 moves in the vertical direction when the rocker 324 rotates; the pressing portion 31 is connected with the pressing rod 323 to move with the pressing rod 323. In this way, the dismounting of the bearing can be realized by rotating the rocker 324, which is simple to operate and improves the work efficiency, and the fourth mounting rod is arranged on the seat body 11, so that the overall structure is more compact.

[0044] It is worth mentioning that the present application does not limit the transmission form of the rocker 324 and the pressing rod 323, in an embodiment, the driving portion 32 further comprises two mutually perpendicular bevel gears and a threaded sleeve, the two bevel gears are connected with the rocker 324 and the threaded sleeve respectively, the pressing rod 323 is screwed with the threaded sleeve, by rotating the rocker 324 to make one of the bevel gears rotate and drive the other bevel gear to rotate, so as to drive the threaded sleeve to rotate, since the threaded sleeve is screwed with the pressing rod 323, the pressing rod 323 can move in the vertical direction, the whole realization is relatively simple, easy to realize, and the transmission efficiency is relatively high, which effectively reduces the required input torque of the system.

[0045] Further, the claws 21 are provided with two, and are provided on both sides of the pressing part 31, for cooperation with the shaft body 200. In this way, the cooperation between the claws 21 and the shaft body 200 is more closely, avoiding the shaft body 200 from falling off during the pressing process of the pressing part 31, so as to damage the tooling and even the shaft body 200, thereby improving the service life and safety of the tooling.

[0046] Further, please refer to Figure 2 , the two extension parts 211 are provided with arc-shaped cross section in the vertical direction, for abutting against the outer side of the bearing on the shaft body 200. In this way, the cooperation between the claws 21 and the shaft body 200 is further improved, preventing the shaft body 200 from moving between the two claws 21, so that the pressing part 31 can better act on the shaft body 200, and the working efficiency is improved.

[0047] In an embodiment of the present application, in order to make the claws 21 cooperate closely with the bearing, the bearing dismounting tool 100 further comprises two clamping pieces (not shown in the figure), which are detachably installed on the first mounting rod 12 and located on the two sides opposite to the two extension parts 211, for positioning the extension parts 211. It should be noted that the present application does not limit the specific implementation form of the clamping piece, for example, the clamping piece is provided with a magnet, and the upper surface of the first mounting rod 12 is paved with an iron plate, and the positioning of the claws 21 can be realized by changing the position of the magnet. In another embodiment, the first mounting rod 12 is further provided with a mounting plate opposite to each other, and the claws 21 are connected to the mounting plate through springs, so that the two claws 21 always have the tendency of approaching each other.

[0048] In order to reduce the collision damage of the bearing after dismounting with the shaft body 200, in an embodiment of the present application, the seat body 11 is further provided with a buffer part 14 close to one side of the first mounting rod 12, for receiving the dismounted shaft body 200. It can be understood that the present application does not limit the specific material of the buffer part 14, which can be rubber or flexible material such as foam.

[0049] Further, the bearing dismounting tool 100 further comprises an abutting piece (not shown in the figure), which is provided at the lower end of the pressing part 31, for abutting against the upper end of the shaft body 200. In this way, the pressing part 31 does not directly abut against the end of the shaft body 200, reducing the damage caused by the pressing part 31 pressing the shaft body 200, and the service life and safety of the device are improved.

[0050] The above merely illustrates the exemplary embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields under the technical concept of the present application and by using the content of the present application specification and drawings are included in the patent protection scope of the present application.

Claims

1. A bearing disassembly fixture for disassembling a bearing sleeved on a shaft, characterized in that, The application relates to a bearing dismounting tool. The bearing dismounting tool comprises a mounting base, a hooking piece and a driving piece. The mounting base comprises a base body and a first mounting rod arranged above the base body and extending in a horizontal direction. The hooking piece comprises a hook claw, the hook claw comprises an extension part and a hooking part, the extension part is arranged on the first mounting rod and extends in a vertical direction, and the hooking part is arranged on the first mounting rod in a horizontal direction and used for abutting against a lower end surface of a bearing.

2. The bearing disassembly tool of claim 1, wherein, The driving piece is used for driving a shaft body to move downwards relative to the bearing when the hook claw hooks the bearing.

3. The bearing disassembly tool of claim 2, wherein, The mounting base further comprises two second mounting rods arranged opposite to each other in the horizontal direction, the two second mounting rods are arranged above the base body and connected with two ends of the first mounting rod respectively, the two second mounting rods and the first mounting rod form a containing space above the base body, and the containing space is used for matching the shaft body with the bearing and the hook claw. The driving piece comprises a pressing part arranged on the first mounting rod in the vertical direction, the pressing part partially extends into the containing space and is used for pushing the shaft body matched with the hook claw, and a driving part drivingly connected with the pressing part and used for driving the pressing part to move in the vertical direction. The driving part comprises a third mounting rod arranged on the base body and extending in the vertical direction, a mounting block arranged on the third mounting rod, a pressing rod arranged on the mounting block in the vertical direction, and a rocker drivingly connected with the pressing rod and used for driving the pressing rod to move in the vertical direction when the rocker rotates.

4. The bearing disassembly tool of claim 3, wherein, The pressing part is connected with the pressing rod and can move along with the pressing rod. The hook claw is arranged in two and arranged on two sides of the pressing part and used for matching the shaft body. The extension part is arranged in an arc shape in a vertical direction and used for abutting against an outer side surface of an upper bearing of the shaft body. The bearing dismounting tool further comprises two clamping pieces, the two clamping pieces are detachably arranged on the first mounting rod and located on two sides opposite to the extension part and used for positioning the extension part. The base body is provided with a buffer part on a side close to the first mounting rod and used for receiving the dismounted shaft body. The bearing dismounting tool further comprises an abutting piece arranged on a lower end of the pressing part and used for abutting against an upper end of the shaft body.

5. The bearing disassembly tool of claim 3, wherein, The second mounting rod is provided with a plurality of reinforcing ribs on a side end.

6. The bearing disassembly tool of claim 5, wherein, ​ 7. The bearing disassembly tool of claim 5, wherein, ​ 8. The bearing disassembly tool of claim 3, wherein, ​ 9. The bearing disassembly tool of claim 3, wherein, ​ 10. The bearing disassembly tool of claim 2, wherein, ​

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