Motor bearing dismounting table
By designing a motor bearing disassembly platform, and utilizing components such as support frames and drive rods, precise positioning of the bearings and rotor central shaft is achieved, solving the problem of rotor and bearing damage during disassembly in existing technologies, and improving disassembly efficiency and accuracy.
Patent Information
- Application Number
- CN202422786158.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-11-15
AI Technical Summary
In the prior art, the rotor wiring harness is easily damaged when the motor bearing is disassembled, which damages the overall integrity of the rotor and makes it difficult to maintain axial vertical force, resulting in bearing damage.
A motor bearing disassembly platform was designed, including a support frame, a drive rod, a positioning groove, and a heating machine. The drive rod enables axial drive of the bearing and the rotor central shaft. In conjunction with the stator support and bearing support, it ensures the precise positioning and disassembly of the bearing.
This improved the efficiency and precision of motor bearing disassembly, avoided damage to the rotor and bearings, and achieved a safe and reliable disassembly process.
Smart Images

Figure CN223744554U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of motor bearing installation and disassembly technology, specifically relating to a motor bearing disassembly table used in textile production lines. Background Technology
[0002] In textile machinery, small drive motors are installed inside ring spinning frames and roving frames. These small drive motors have positioning bearings on their rotors. Because the textile production environment is relatively harsh, various fibers often get tangled on the motor rotor, causing damage to the bearings on the motor shaft. Replacing the rotor bearings has become a frequent task for textile machinery maintenance personnel.
[0003] The current technical problem is that the disassembly of this type of motor bearing usually requires a punch tool for single-end impact disassembly. This method typically involves clamping the rotor to fix it in place, then applying force to the bearing or the rotor's central shaft to engage or disengage it. However, this method has drawbacks: 1. Clamping the rotor can easily damage the outer sheath of the rotor wiring harness, compromising the rotor's overall integrity and affecting its normal operation; 2. When applying force to the rotor's central shaft, it's difficult to maintain axial perpendicularity, leading to uneven stress and bending; 3. When hammering the bearing for installation, the inability to apply force circumferentially or simultaneously at multiple points can easily damage it.
[0004] As on-site technical R&D personnel in this industry, it is essential to design a motor bearing disassembly table that can assemble the inner core bearing of the motor on textile equipment, effectively improve work efficiency, increase assembly accuracy, and prevent damage to motor components or personnel during operation. Summary of the Invention
[0005] In view of the shortcomings of the prior art described above, this utility model discloses a motor bearing disassembly table, which is provided with a support frame, a column and a drive rod that can be driven laterally at the top of the support frame, and the axial drive of the motor bearing or the rotor central shaft is realized by the drive rod.
[0006] A motor bearing disassembly platform includes a base frame with two uprights on the base frame. The left upright has a threaded hole, and a drive screw is installed in the threaded hole. The drive screw has a drive end on its left side and a conversion head on its right side. A bearing or bushing is installed between the conversion head and the drive screw. A shaft drive rod or a bearing drive rod is fixed on the conversion head.
[0007] The right side column is provided with a positioning groove, the right side of the positioning groove is provided with a stator support, and the left side of the positioning groove is provided with a bearing support; the right side column is provided with a vertical adjustment groove, and the vertical adjustment groove is used for achieving vertical adjustment of the bearing support; the base frame is provided with a horizontal adjustment groove, and the horizontal adjustment groove is used for achieving horizontal adjustment of the stator support.
[0008] The left end of the driving end is provided with a hand drill insertion hole, the right end of the driving end is provided with a polygonal insertion slot, the polygonal insertion slot is inserted with a driving screw, and the driving end is provided with a force applying rod.
[0009] The right end of the conversion head is provided with an insertion hole, the hole bottom of the insertion hole is provided with a magnetic attraction piece, and the magnetic attraction piece is used for achieving magnetic attraction fixing of the shaft center driving rod or the bearing driving rod.
[0010] The stator support comprises an L-shaped plate and a stator support bracket, and the stator support bracket is provided in an arc-shaped structure.
[0011] The right end of the stator support bracket is provided with a positioning baffle, and the positioning baffle is used for achieving extrusion positioning of the stator during bearing installation.
[0012] The bearing support comprises a vertical plate, and the top of the vertical plate is provided with a bearing support arc plate for supporting and fixing the bearing.
[0013] The front side of the base frame is provided with a heating machine, the heating machine comprises a control console and two support portions, the two support portions are arranged at intervals, each support portion is provided with a conductive protrusion, a conductive plate is arranged between the two conductive protrusions, and the conductive plate is used for achieving bearing support arrangement.
[0014] The beneficial effects of the utility model are summarized as follows:
[0015] The left side column is provided with a threaded hole, a driving screw is arranged in the threaded hole, the left side of the driving screw is provided with a driving end, the right side of the driving screw is provided with a conversion head, and the conversion head and the driving screw are provided with a bearing or a shaft sleeve; the conversion head is fixed with a shaft center driving rod or a bearing driving rod to drive the rotor center shaft and the bearing; through the above structure, the stator support and the bearing support can be used to achieve axial positioning of the stator and the bearing; the utility model has novel structure, and the motor bearing can be automatically disassembled by the components, so that the efficiency is high, the precision is accurate, the damage to the motor components can be effectively avoided, and the utility model is an ideal motor bearing disassembly table. BRIEF DESCRIPTION OF DRAWINGS
[0016] The utility model will be further described in combination with the drawings and examples.
[0017] Figure 1 For the embodiment 1 of the utility model three-dimensional structure schematic Figure I
[0018] Figure 2 For the embodiment 1 of the utility model three-dimensional structure schematic Figure II
[0019] Figure 3 For the embodiment 1 of the utility model front view structure schematic diagram;
[0020] Figure 4 For the embodiment 2 of the utility model three-dimensional structure schematic diagram;
[0021] Figure 5 For Figure 3 The A area structure of enlarged schematic diagram in middle;
[0022] Figure 6 For Figure 4 The B area structure of enlarged schematic diagram in middle;
[0023] In the figure, 1, bottom bracket, 11, left side stand, 12, right side stand, 13, positioning groove, 14, vertical adjustment groove, 15, horizontal adjustment groove;2, drive screw, 21, nut, 3, drive end, 31, hand drill insertion hole, 32, force bar, 33, polygonal insertion groove, 4, shaft center drive rod, 41, coarse diameter surface, 5, conversion head, 51, bearing groove, 52, self-rotation bearing, 53, insertion hole, 54, magnetic attraction piece, 6, stator support piece, 61, L plate, 62, stator support, 63, positioning baffle;Bearing support piece, 71, vertical plate, 72, bearing support arc plate;8, heating machine, 81, control console, 82, controller, 83, support part, 84, conductive protrusion, 85, conductive plate, 86, heating bearing;9, bearing drive rod, 91, rod body;10, rotor, 101, bearing, 102, rotor center shaft. DETAILED DESCRIPTION
[0024] The utility model realizes further detailed explanation to the device through the following specific embodiment:
[0025] As shown in the drawings, a motor bearing dismounting table includes a bottom bracket 1, the bottom bracket 1 is usually made of channel steel. The bottom bracket 1 is provided with two side stands, which are left side stand 11 and right side stand 12 respectively;The left side stand 11 is provided with a threaded hole, and the threaded hole is provided with an extension or nut 21 on the left and right sides respectively, which is used to increase the length of the threaded hole and improve the supporting strength;The threaded hole is provided with a drive screw 2, the left side of the drive screw 2 is provided with a drive end 3, such as Figures 1-4 As shown, the left end of the driving end 3 is provided with a hand drill insertion hole 31, and the hand drill can be connected to the device through the hand drill insertion hole 31, and when a batch of motor bearings are disassembled and assembled, the efficiency can be improved through the driving of the hand drill; the right end of the driving end 3 is provided with a polygonal insertion slot 33, and the polygonal insertion slot 33 is inserted with the driving screw 2; the driving end 3 is further provided with a force applying rod 32, and when the hand drill is not needed to assist in driving, the rotation driving of the driving end 3 and the driving screw 2 can be realized through the force applying rod 32.
[0026] The right side of the driving screw 2 is provided with a conversion head 5, and a bearing or a shaft sleeve is arranged between the conversion head 5 and the driving screw 2, and in the embodiment, a rotation bearing 52 is arranged between the conversion head 5 and the driving screw 2, and the conversion head 5 is fixed with an axis driving rod 4 or a bearing driving rod 9.
[0027] Embodiment 1:
[0028] The utility model discloses the conversion head 5 is fixed with the axis driving rod 4, and in order to improve the assembly strength, the right end of the conversion head 5 is provided with the insertion hole 53, and the hole bottom of insertion hole 53 is provided with magnetic attraction piece 54, and the magnetic attraction piece 54 is used for realizing the magnetic attraction of the axis driving rod 4.
[0029] The right side column 12 is provided with a positioning groove 13, the right side of the positioning groove 13 is provided with a stator support 6, and the left side of the positioning groove 13 is provided with a bearing support 7; the bearing support 7 comprises a vertical plate 71, and the top of the vertical plate 71 is provided with a bearing support arc plate 72 to support and fix the bearing.
[0030] The stator support 6 comprises an L plate 61 and a stator support 62, and the stator support 62 is in an arc structure.
[0031] Through the above structure, in use, the left end bearing 101 of the rotor 10 is arranged on the left side of the right side column 12 by spanning the positioning groove 13, the rotor 10 is supported on the stator support 62, and then the force applying rod 32 is manually driven or the driving screw 2 is driven by the hand drill, and when the driving screw 2 rotates, the rotor central shaft 102 is separated from the bearing 101 in the bearing 101.
[0032] Embodiment 2:
[0033] On the basis of embodiment 1, the utility model discloses bearing drive rod 9 is fixed on conversion head 5, for improving assembly strength, the right -hand member of conversion head 5 is provided with the plug -in hole 53, the hole bottom of plug -in hole 53 is provided with magnetic attraction piece 54, and the magnetic attraction of bearing drive rod 9 is realized through magnetic attraction piece 54, the end of bearing drive rod 9 is provided with at least two rod bodies 91 and two rod bodies are symmetrically arranged.
[0034] The right side column 12 is provided with a positioning groove 13, the right side of the positioning groove 13 is provided with a stator support 6, and the left side of the positioning groove 13 is provided with a bearing support 7;The bearing support 7 includes a vertical plate 71, and the top of the vertical plate 71 is provided with a bearing support arc plate 72 to support and fix the bearing. Further, the right side column 12 is provided with a vertical adjustment groove 14, and the vertical adjustment of the bearing support 7 is realized through the vertical adjustment groove 14. This vertical adjustment is used to realize the bearing support of different diameters. The device can realize the installation of bearings of various diameters.
[0035] The stator support 6 includes an L plate 61 and a stator support 62, the stator support 62 is provided in an arc shape, and the stator support 62 is provided with a positioning baffle 63. When the bearing 101 is installed, the stator 10 can be positioned and extruded. Its extruded state is shown in Figure 6 .
[0036] The bottom frame 1 is provided with a horizontal adjustment groove 15, and the horizontal adjustment of the stator support 6 is realized through the horizontal adjustment groove 15.
[0037] In order to improve the assembly efficiency and assembly strength, the utility model discloses a heating machine 8 is arranged on the front side of the bottom frame, the heating machine 8 includes a control console 81 and two support parts 83, the two support parts 83 are arranged at intervals, and each support part 83 is provided with a conductive protrusion 84, a conductive plate 85 is arranged between the two conductive protrusions 84, the bearing support is realized through the conductive plate 85, the bearing is heated at high temperature through the heating machine 8, and the bearing is placed on the bearing support arc plate 72 according to the principle of thermal expansion and contraction when the bearing 101 is assembled. The bearing 101 is pushed to the rotor center shaft 102 through the rod body 91 arranged at the end of the bearing drive rod 9 to realize assembly. The above-mentioned heating machine 8 is a general electromagnetic heating device, and those skilled in the art can configure it under the guidance of the above description, and details are not described here.
[0038] In summary, the utility model discloses novel structure design, and the dismounting of motor bearing is all realized automatically through each component, and its efficiency is high, and precision is accurate, and can effectively avoid the damage of each component of motor, and is an ideal motor bearing dismounting platform.
Claims
1. A motor bearing puller, characterized by: It include a chassis, the chassis is provided with two side columns, the left side column is provided with a threaded hole, a drive screw is arranged in the threaded hole, the left side of the drive screw is provided with a drive end, the right side of the drive screw is provided with a conversion head, bearings or shaft sleeves are arranged between the drive screw and the conversion head; the conversion head is fixed with an axis drive rod or a bearing drive rod; The right side column is provided with a positioning groove, the right side of the positioning groove is provided with a stator support, and the left side of the positioning groove is provided with a bearing support; the right side column is provided with a vertical adjustment groove, and the vertical adjustment of the bearing support is realized through the vertical adjustment groove; the chassis is provided with a horizontal adjustment groove, and the horizontal adjustment of the stator support is realized through the horizontal adjustment groove.
2. A motor bearing puller as set forth in claim 1, wherein: The left end of the drive end is provided with a hand drill insertion hole, and the right end of the drive end is provided with a polygonal insertion slot, the polygonal insertion slot is inserted with the drive screw; the drive end is provided with a force applying rod.
3. A motor bearing puller as set forth in claim 1, wherein: The right end of the conversion head is provided with an insertion hole, and the bottom of the insertion hole is provided with a magnetic attraction part, the magnetic attraction part magnetically attracts the axis drive rod or the bearing drive rod.
4. A motor bearing puller as set forth in claim 1, wherein: The stator support includes an L plate and a stator support bracket, and the stator support bracket is in an arc structure.
5. A motor bearing puller as set forth in claim 4, wherein: The right end of the stator support bracket is provided with a positioning baffle, and the extrusion positioning of the stator can be realized when the bearing is installed.
6. A motor bearing puller as set forth in claim 1, wherein: The bearing support includes a vertical plate, and the top of the vertical plate is provided with a bearing support arc plate to support and fix the bearing.
7. A motor bearing puller as set forth in claim 1, wherein: The front side of the chassis is provided with a heating machine, the heating machine includes a control console and two support parts, the two support parts are arranged at intervals, each support part is provided with a conductive protrusion, a conductive plate is arranged between the two conductive protrusions, and the support of the bearing is realized through the conductive plate.