Permanent magnet motor stator and rotor dismounting device

Abstract

The utility model discloses a permanent magnet motor stator and rotor dismounting device which comprises a base, a bottom plate is arranged on the base, a movable fixing plate is arranged above the bottom plate, and a fixing plate is arranged between the bottom plate and the movable fixing plate. The bottom plate and the fixed plate are fixedly connected through a plurality of supporting columns, and a plurality of guide columns are installed between the fixed plate and the movable fixed plate. A stator fixing piece is arranged on the bottom plate, a fixed end rotor fixing piece is arranged on the fixed plate, and an output end rotor fixing piece is arranged on the movable fixed plate; the bottom end of the stator fixing piece is connected with a stator lifting mechanism through a first lifting column, and the bottom end of the movable fixing plate is connected with a rotor lifting mechanism through a plurality of second lifting columns. The stator and rotor bidirectional synchronous simultaneous separation is realized, motor parts are not damaged, synchronous disassembly and assembly integration is realized, the time cost is saved, the production assembling efficiency is improved, and the product quality safety is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a motor stator rotor dismounting tool belongs to motor technical field. BACKGROUND

[0002] With the rapid development of industrial automation and intelligent manufacturing, double air gap type permanent magnet disc type motor has been widely applied in various fields. For manufacturing double air gap type permanent magnet disc type motor, it is necessary to meet the synchronous assembly and disassembly of one-time function of the product. The traditional manual assembly relies on the strong magnetic attraction of the motor rotor magnetic field of the outer double rotor structure, which can cause the rotor to suddenly enter the stator during assembly, resulting in a large impact force on the bearing and rotor surface, which can easily damage the bearing and rotor parts. Secondly, the safety problem of mutual attraction between the stator and the rotor during the assembly of the permanent magnet motor is also the most important, and the skew during the rotor assembly process can cause the stator and the rotor to be attracted together. For disassembling the double air gap type permanent magnet disc type motor, the internal component structure of the whole machine rotor needs to ensure that the disassembly of one end rotor also ensures that the other end rotor is not affected by the strong magnetic attraction of the stator. The traditional manual operation cannot realize the simultaneous synchronous assembly and disassembly of the rotor, and cannot guarantee the one-time qualification rate of assembly.

[0003] Chinese patent publication No. CN216819651U, published on June 24, 2022, discloses a utility model named a motor stator rotor dismounting device. The application discloses a motor stator rotor dismounting device, which comprises a dismounting seat, a supporting frame, a fixed plate and a discharging groove are arranged on the dismounting seat, the supporting frame is fixedly connected to the left side of the upper end of the dismounting seat, the fixed plate is fixedly connected to the right end of the dismounting seat, the discharging groove is located at the middle of the dismounting seat, a hydraulic cylinder is arranged on the supporting frame, the hydraulic cylinder is connected with an extrusion block through a hydraulic push rod, a sponge pad is arranged at the bottom of the discharging groove, an electric push rod is fixedly connected to one side of the supporting frame and the fixed plate, and the electric push rod is connected with a motor placing plate through a push rod. Although the utility model reduces the labor intensity of the operator during the dismounting of the motor stator, the operator still needs to perform certain labor, and the motor with outer double rotor structure cannot be automatically dismounted. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of permanent magnet motor stator rotor dismounting device, solve the human safety and motor component damage problem that occur when the motor assembly and disassembly of outer double rotor structure, effectively ensure that the direction does not appear deviation during the rotor assembly and disassembly process, guarantee the assembly product quality, dismounting process is convenient and labor-saving, guarantee the highest efficiency to complete product switching.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme, a kind of permanent magnet motor stator-rotor dismounting device, including base, bottom plate is equipped on base, bottom plate top is equipped with moving fixed plate, fixed plate is equipped between bottom plate and moving fixed plate;Bottom plate and fixed plate are fixedly connected by several support columns, several guide columns are installed between fixed plate and moving fixed plate;Bottom plate is equipped with stator fixing piece, fixed plate is equipped with fixed end rotor fixing piece, moving fixed plate is equipped with output end rotor fixing piece;Stator fixing piece bottom end is connected with stator lifting mechanism by first lifting column, moving fixed plate bottom end is connected with rotor lifting mechanism by several second lifting columns.The utility model discloses the stator fixing piece and output end rotor fixing piece that can be lifted are set, can realize stator-rotor bidirectional synchronous separation simultaneously, guarantee motor component is not damaged, realize synchronous dismounting integration, save time cost, solve production transfer efficiency, reduce product quality safety.

[0006] Preferably, the output end rotor fixing piece is composed of several fixed columns arranged in the circumferential direction. It is used to fix the output end rotor disc. It can ensure the stability of the output end rotor disc during dismounting, reducing the risk of damage caused by displacement or rotation of the rotor disc. At the same time, the fixed columns in the circumferential direction provide uniform support, which helps to maintain the balance of the rotor disc, thereby improving the accuracy and reliability of the dismounting process.

[0007] Preferably, the fixed end rotor fixing piece includes a circular hole one passing through the fixed plate, and several fixed holes are arranged on the outer side of the circular hole one in the circumferential direction. The fixed end rotor disc is installed in the fixed end rotor fixing piece and locked by aligning the fixed holes. Through the design of the accurate circular hole and fixed hole, the fixed end rotor disc can be quickly positioned and fixed, reducing the dismounting time.

[0008] Preferably, the stator fixing piece is arranged through the bottom plate, several support columns are installed between the bottom plate and the fixed plate, and several guide columns are installed between the fixed plate and the moving plate. The support rod is used to support the fixed plate, and the guide column provides guidance for the lifting of the moving fixed plate while providing support for the moving fixed plate. The design of the support column and the guide column provides additional stability and accuracy, ensuring the smooth movement of the output end rotor fixing piece and the stator fixing piece during lifting, preventing the rotor assembly process from being skewed.

[0009] Preferably, the stator fixing piece is composed of several coaxial cylinders with different diameters, the bottom end is provided with a limiting column connected to the first lifting column, and the diameter of the limiting column is smaller than the guide column a. The upper surface of the first lifting column can form a flat area, and the design of the flat area provides a stable contact surface for placing the bottom end of the motor stator.

[0010] Preferably, the first lifting column upper surface is provided with a flat area around the limit column bottom end, and the first lifting column is connected through the bottom plate and the stator lifting mechanism. The bottom plate is provided with a circular hole II for passing through the first lifting column, and the diameter of the first lifting column is smaller than that of the circular hole II.

[0011] Preferably, the stator fixing part top end is provided with a positioning column, and the positioning column and the limit column are provided with a connecting column therebetween, and the diameter of the connecting column is smaller than that of the positioning column and the limit column. The positioning column penetrates into the electronic stator to lock the stator. The design of the positioning column enables the stator to be quickly and accurately locked in place, reducing the disassembly failure or damage caused by inaccurate positioning.

[0012] Preferably, the stator lifting mechanism includes a stator hand wheel shaft, and the rotor lifting mechanism includes a plurality of rotor hand wheel shafts, and the stator hand wheel shaft and the rotor hand wheel shaft are connected with the first lifting column and the second lifting column through a threaded rod respectively. The stator hand wheel shaft and the rotor hand wheel shaft are operated respectively to control the lifting of the stator fixing part and the output end rotor fixing part, so that the lifting process is more labor-saving and accurate, and the operation convenience is improved.

[0013] Preferably, the top end of the plurality of second lifting columns is provided with a mounting seat, and the mounting seat is fixed to the lower surface of the moving fixed plate, and the plurality of rotor hand wheel shafts are connected through a connecting rod. The design of the mounting seat and the connecting rod provides a stable structure, so that the rotor hand wheel shaft remains stable during operation, reduces the risk of damage caused by different steps of the hand wheel shaft, and improves the overall rigidity and durability of the device.

[0014] The utility model discloses a permanent magnet motor stator and rotor dismounting device can realize the synchronous separation of stator and rotor in two ways, guarantees motor component not to be damaged, realizes the synchronous dismounting integration of stator and rotor, saves time cost, improves production transfer efficiency, improves product quality. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model.

[0016] Figure 2 It is the side view of the utility model.

[0017] Figure 3 It is Figure 1 It is the enlarged view of A in the middle.

[0018] Figure 4 It is the working state diagram of the utility model.

[0019] Reference signs: 1: moving fixed plate; 2: handle; 3: output end rotor fixing piece; 3.1: fixed column; 4: guide column; 5: guide sleeve; 6: fixed plate; 7: fixed end rotor fixing piece; 7.1: round hole one; 7.2: fixed hole; 8: bottom plate; 9: stator fixing piece; 9.1: limiting column; 9.2: positioning column; 9.3: connecting column; 10: round hole two; 11: support column; 12: first lifting column; 13: second lifting column; 14: stator hand wheel shaft; 15: rotor hand wheel shaft; 16: base. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are 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 protection scope of the utility model.

[0021] The utility model provides a kind of permanent magnet motor stator-rotor dismounting device, realize the simultaneous realization of synchronous function of double air gap type permanent magnet disk motor combined installation and dismounting, solve bearing damage, rotor installation skew and rotor component damage and other problems.

[0022] As Figure 1As shown, the permanent magnet motor stator-rotor dismounting device mainly comprises a base 16, a movable fixing plate 1, a fixing plate 7, a stator fixing piece 9, an output end rotor fixing piece 3, a fixed end rotor fixing piece 7, a stator lifting mechanism and a rotor lifting mechanism and the like. The base 16 serves as the foundation of the entire device and is located at the bottom end of the device and is composed of a solid rectangular frame. The design of the base 16 must take into account sufficient rigidity and stability, which is to ensure that the weight of the motor stator and rotor and the resulting torque can be borne during the dismounting process. The material selection of the base 16 is crucial, and high-strength steel or aluminum alloy is usually used to ensure its durability and reliability in long-term use. The rotor lifting mechanism and the stator lifting mechanism are the core parts of the device and are mostly arranged in the base 16 to reduce the space occupation and improve the overall stability. The rotor handwheel shaft 15 and the stator handwheel shaft 14 are arranged on the outer side of the base 16, and handles are arranged on the shafts, so that the operator can easily operate. The stator handwheel shaft 14 is arranged on the front face of the base 16, and a plurality of rotor handwheel shafts 15 are arranged on the side face of the base 16, and the rotor handwheel shaft 15 is preferably two in this embodiment, which are respectively located on the two side faces of the base 16, so that the balance and stability of the rotor during the dismounting process can be ensured. The bottom plate 8 is fixed on the upper surface of the base 16, the first lifting column 12 and the plurality of second lifting columns 13 can move up and down through the bottom plate 8, and a plurality of holes are arranged on the bottom plate 8 to facilitate the installation of the supporting column 11 and the lifting of the first lifting column 12 and the second lifting column 13. The fixing plate 7 is arranged above the bottom plate 8 and is fixedly connected with the bottom plate 8 through the supporting column 11, and the fixed end rotor fixing piece 7 is arranged through the fixing plate 7 and is used for fixing the fixed end rotor. The movable fixing plate 1 is arranged above the fixing plate 7 and is located at the top end of the device, and the output end rotor fixing piece 3 is arranged through the movable fixing plate 1 and is used for moving and fixing the output end rotor, and the movable fixing plate 1 is connected with the rotor lifting mechanism through the second lifting column 13 and is connected with the fixing plate 7 through the guide column 4. The output end rotor can be accurately positioned and moved during the dismounting process, and at the same time, the synchronization with the stator is maintained.

[0023] As Figure 1 and Figure 2As shown, the upper surface of the mobile fixed plate 1 is provided with a handle 2 near the side edge, which is convenient for the operator to grab and move the mobile fixed plate 1. The mobile fixed plate 1 is provided with an output end rotor fixing member 3, which is the core component of the mobile fixed plate 1. The output end rotor fixing member 3 is arranged at the center of the mobile fixed plate 1 and is composed of a plurality of fixed columns 3.1 arranged in the circumferential direction, preferably 10, for fixing the output end rotor disc and ensuring its stability during disassembly and assembly. The mobile fixed plate 1 divides the fixed columns 3.1 into two parts, i.e. the fixed columns 3.1 above the mobile fixed plate 1 and the fixed columns 3.1 below the mobile fixed plate 1. The diameter of the fixed columns 3.1 above the mobile fixed plate 1 is larger than that of the fixed columns 3.1 below the mobile fixed plate 1. The difference in diameter allows the fixed columns 3.1 above to provide stronger support, while the fixed columns 3.1 below are used to fix the output end rotor, ensuring that it does not shift or rotate during disassembly and assembly, thereby avoiding damage. The 10 fixed columns 3.1 form a circle, and a circular hole is provided in the circle and penetrates the mobile fixed plate 1. The fixed columns 3.1 can ensure the stability of the output end rotor disc during disassembly and assembly, reducing the risk of damage caused by the rotor disc shifting or rotating. At the same time, the circumferential fixed columns 3.1 provide uniform support, which helps to maintain the balance of the rotor disc, thereby improving the accuracy and reliability of the disassembly and assembly process. In order to further improve the stability and directivity of the mobile fixed plate 1, guide columns 4 are provided at the four corners of the mobile fixed plate 1, which are centrally symmetric around the center of the circular hole, ensuring the stability and perpendicularity of the mobile fixed plate 1 during lifting. The mobile fixed plate 1 is provided with a guide sleeve 5 at the penetration of the guide column 4, and the guide column 4 is arranged in the guide sleeve 5 and can move up and down relative to the guide sleeve 5, providing accurate guidance for the lifting of the mobile fixed plate 1. This design not only improves the lifting efficiency of the mobile fixed plate 1, but also reduces the risk of damage caused by deviation or inclination during lifting.

[0024] As shown in Figure 1 and Figure 2 The fixed plate 7 is arranged below the mobile fixed plate 1, and the four corners are vertically below the guide sleeve 5, provided with a mounting seat for fixing the bottom end of the guide column 4, and the fixed plate 7 and the mobile fixed plate 1 are connected through the guide column 4. The fixed plate 7 is provided with a hole between the two sides of the guide column 4 for the first lifting column 12 to pass through. The center of the fixed plate is provided with a fixed end rotor fixing member 7, which includes a circular hole 7.1 penetrating the fixed plate 7, and a plurality of fixing holes 7.2 are arranged on the outer side of the circular hole 7.1 in the circumferential direction. The fixed end rotor disc is installed in the fixed end rotor fixing member 7 and is locked and fixed by aligning the fixing holes 7.2. Through the accurate design of the circular hole 7.1 and the fixing hole 7.2, the fixed end rotor disc can be quickly positioned and fixed, reducing the disassembly and assembly time.

[0025] AsFigure 1 , Figure 2 and Figure 3 As shown, the design and layout of the stator fixing component 9 are crucial for achieving precise assembly and disassembly. The stator fixing component 9 is installed through the base plate 8. Several support columns 11 are installed between the base plate 8 and the fixing plate 7; in this embodiment, four are preferably located at the four corners of the base plate 8 for optimal support. Mounting seats are provided at the top and bottom ends, respectively, and are fixed to the lower surface of the fixing plate 7 and the upper surface of the base plate 8 with bolts. The support columns 11 provide stable support for the fixing plate 7, ensuring stability and reliability during assembly and disassembly. Circular holes are provided on both sides of the base plate 8 between two support columns 11 for the passage of a second lifting column 13. The second lifting column 13 can move up and down within these circular holes. The diameter of the circular holes is larger than the diameter of the second lifting column 13, ensuring smooth movement of the second lifting column 13 within the holes and reducing friction and wear. A stator fixing component 9 is centrally located on the base plate 8. The stator fixing component 9 consists of several coaxial cylinders of different diameters; in this embodiment, three are preferred. A limiting post 9.1 at the bottom connects to a first lifting post 12. The diameter of the limiting post 9.1 is smaller than that of the guide post a. This design allows the upper surface of the first lifting post 12 to form a flat area at one end, providing a stable contact surface for placing the bottom part of the motor stator and ensuring the stability of the stator during assembly and disassembly. A positioning post 9.2 is located at the top of the stator fixing component 9. A connecting post 9.3 is located between the positioning post 9.2 and the limiting post 9.1. The diameter of the connecting post 9.3 is smaller than that of the positioning post 9.2 and the limiting post 9.1, and the diameter of the positioning post 9.2 is smaller than that of the limiting post 9.1. The positioning post 9.2 extends into the electronic stator to lock it in place. The design of the positioning post 9.2 allows the stator to be quickly and accurately locked in place, reducing assembly and disassembly failures or damage caused by inaccurate positioning. The first lifting post 12 passes through the base plate 8 and connects to the stator lifting mechanism. A circular hole 10 is provided through the center of the base plate 8 for the first lifting column 12 to pass through. The diameter of the first lifting column 12 is smaller than the diameter of the circular hole 10. This design ensures that the first lifting column 12 can move freely within the base plate 8 while maintaining the stability and reliability of the structure.

[0026] like Figure 1 and Figure 2As shown, the stator lifting mechanism and the rotor lifting mechanism are the key components to realize the precise control of the stator and rotor lifting. The stator lifting mechanism includes a stator handwheel shaft 14, while the rotor lifting mechanism includes several rotor handwheel shafts 15. In this embodiment, the rotor handwheel shafts 15 are preferably two, symmetrically arranged on the two sides of the base 16 to ensure the balance and stability during operation. The two rotor handwheel shafts 15 are connected by a solid connecting rod, which not only provides a stable structure, but also ensures the synchronization of the rotor handwheel shafts 15 during operation, reduces the risk of damage caused by the different movement of the handwheel shafts, and significantly improves the overall rigidity and durability of the device. The stator handwheel shaft 14 and the rotor handwheel shaft 15 are provided with handles for easy operation by the operator. Through these handles, the operator can easily control the rotation of the stator handwheel shaft 14 and the rotor handwheel shaft 15, and thus precisely control the lifting of the stator fixing member 9 and the output end rotor fixing member 3. The stator handwheel shaft 14 and the rotor handwheel shaft 15 are connected to the first lifting column 12 and the second lifting column 13 respectively through threaded rods. This design allows precise control of the lifting column by operating the handwheel shaft, and the rotation of the threaded rod drives the lifting column to move up and down, thereby realizing the precise lifting of the stator and rotor fixing members. This mechanism makes the lifting process more labor-saving and accurate, and also improves the convenience of operation, reducing the working intensity of the operator. Operating the stator handwheel shaft 14 and the rotor handwheel shaft 15 respectively to control the lifting of the stator fixing member 9 and the output end rotor fixing member 3 makes the lifting process more labor-saving and accurate, and also improves the convenience of operation. The stator lifting mechanism and the rotor lifting mechanism are arranged on the mounting plate, and this layout design makes the installation and maintenance of the lifting mechanism more convenient. The mounting plate is provided with support columns on both sides of the upper surface, which are fixedly connected to the mounting plate at the bottom end and to the lower surface of the bottom plate 8 at the top end, forming a solid support structure to provide stable support for the lifting mechanism.

[0027] Operation process.

[0028] 1. Install the fixed end rotor disc.

[0029] First, install the fixed end rotor disc on the fixed end rotor fixing member 7, ensuring that the rotor magnet faces upwards, and then lock it tightly through the bolt after aligning the fixing hole 7.2.

[0030] 2. Lift the stator fixing member 9.

[0031] Turn the stator handwheel shaft 14 to lift the lifting rod a 12 through the bolt, which pushes the stator fixing member 9 up, and then lifts the stator fixing member 9 to the highest point above the fixed end rotor disc. Then, lock the stator on the stator fixing member 9.

[0032] 3. Install the output end rotor disc.

[0033] By rotating the stator hand wheel shaft 14, the lifting rod a 12 is lifted by the bolt, the lifting rod a 12 pushes the stator fixing part 9, the stator fixing part 9 drives the motor to rise, the output end rotor disc is lifted to the highest point, the magnetic steel is locked on the fixed column 3.1 of the output end rotor fixing part 3 with the face downward, and then the assembled moving fixing plate 1 is assembled on the guide column 4 and the second lifting column 13.

[0034] 4. Assembly and disassembly operation.

[0035] Assembly: rotate the output end rotor positioning hand wheel shaft and the stator positioning hand wheel shaft, and assemble the output end rotor and the stator downward in the reverse rotation, and keep the synchronous breath to assemble the stator and the rotor.

[0036] Disassembly: in the fixed state of the stator and the rotor, rotate the output end rotor positioning hand wheel shaft and the stator positioning hand wheel shaft, and the synchronous disassembly can be performed in the forward rotation.

[0037] Obviously, the above embodiments are only examples for clearly illustrating, and are not limited to the embodiments. Other different forms of changes or variations can be made on the basis of the above description for those skilled in the art. All the embodiments do not need to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A permanent magnet motor stator and rotor dismounting device, comprising a base, characterized in that, a bottom plate is arranged on the base, and a fixed plate and a movable fixed plate are sequentially arranged above the bottom plate; a plurality of support columns are connected between the bottom plate and the fixed plate, and the fixed plate and the movable fixed plate are connected through a plurality of guide columns; a stator fixing piece is arranged on the bottom plate, a fixed end rotor fixing piece is arranged on the fixed plate, and an output end rotor fixing piece is arranged on the movable fixed plate; the stator fixing piece is connected with a stator lifting mechanism through a first lifting column, and the movable fixed plate is connected with a rotor lifting mechanism through a plurality of second lifting columns.

2. A permanent magnet motor stator-rotor dismounting device according to claim 1, characterized in that, The output end rotor fixing piece is composed of a plurality of fixing columns arranged in the circumferential direction.

3. A permanent magnet motor stator-rotor dismounting device according to claim 1, characterized in that, The fixed end rotor fixing piece comprises a circular hole one arranged through the fixed plate, and a plurality of fixing holes are arranged on the outer side of the circular hole one in the circumferential direction.

4. A permanent magnet motor stator-rotor dismounting device according to claim 1, characterized in that, The stator fixing piece is arranged through the bottom plate, and the output end rotor fixing piece is arranged through the movable fixed plate.

5. A permanent magnet motor stator-rotor dismounting device according to claim 1 or 4, characterized in that, The stator fixing piece is composed of a plurality of coaxial cylinders with different diameters, and a limiting column is arranged at the bottom end to connect the first lifting column, and the diameter of the limiting column is smaller than that of the guide column a.

6. A permanent magnet motor stator-rotor dismounting device according to claim 5, characterized in that, A flat area is arranged around the bottom end of the limiting column on the upper surface of the first lifting column, and the first lifting column is connected with the stator lifting mechanism through the bottom plate.

7. A permanent magnet motor stator-rotor dismounting device according to claim 5, characterized in that, A positioning column is arranged at the top end of the stator fixing piece, a connecting column is arranged between the positioning column and the limiting column, and the diameter of the connecting column is smaller than that of the positioning column and the limiting column.

8. A permanent magnet motor stator-rotor dismounting device according to claim 1, characterized in that, The stator lifting mechanism comprises a stator hand wheel shaft, the rotor lifting mechanism comprises a plurality of rotor hand wheel shafts, the stator hand wheel shaft is connected with the first lifting column through a threaded rod, and the rotor hand wheel shaft is connected with the second lifting column through a threaded rod.

9. A permanent magnet motor stator-rotor dismounting device according to claim 1 or 8, characterized in that, A mounting seat is arranged at the top end of each of the plurality of second lifting columns, the mounting seat is fixed on the lower surface of the movable fixed plate, and the plurality of rotor hand wheel shafts are connected through connecting rods.

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