Disc type permanent magnet rotor magnetic steel assembly tool
By designing a disc permanent magnet rotor magnet assembly tooling and utilizing the combined structure of a rocker arm and a tightening piece, the problems of high cost and poor adaptability of existing customized fixing and clamping devices are solved, and reliable fixation and convenient installation of the magnets are achieved.
Patent Information
- Application Number
- CN202422653435.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Existing customized fixing clamping devices for fixing permanent magnets are expensive and have poor adaptability, and cannot adapt to the installation of magnets of different sizes or specifications.
A disc-type permanent magnet rotor magnet assembly tooling was designed, including a rocker arm, a first tightening member, and a second tightening member. The axial and radial fixation of the magnet was achieved through the combined structure of adjusting screws and non-magnetic spacers. Combined with glue fixation, it reduced costs and improved operational convenience.
The reliable fixation of the magnetic steel is achieved, the tooling cost is reduced, and the operation convenience and adaptability are improved, and it is suitable for the installation of magnetic steels of different sizes or specifications.
Smart Images

Figure CN223462894U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rotor installation device field, especially a kind of disc type permanent magnet rotor magnetic steel assembly tool. BACKGROUND
[0002] Permanent magnet motor adopts permanent magnet to generate the magnetic field of motor, without field coil and without excitation current, with simple structure, high efficiency and other advantages, is good energy-saving motor. With the advent of high-performance permanent magnet material and the rapid development of control technology, the application of permanent magnet motor will become more widely. With the continuous improvement of permanent magnet material performance and the development of motor technology, permanent magnet motor has been extremely widely used in various fields of national economy. The advent of low-carbon economy brings growth opportunity for permanent magnet motor. Electric vehicle permanent magnet motor becomes another focus of industry development in the field of alternative energy. With the adjustment of structure, permanent magnet motor for energy saving and environmental protection field will have a substantial growth.
[0003] Among them, disc type permanent magnet rotor is usually composed of permanent magnet, support structure and additional components;Permanent magnet is the core component of disc type permanent magnet rotor, which provides the magnetic field required for motor operation. In disc type permanent magnet motor, permanent magnet is usually fan-shaped or arc-shaped, and is magnetized along the radial direction, N pole and S pole are placed alternately. These permanent magnets are fixed on the support structure of the rotor;The support structure is used to fix the permanent magnet and ensure the stable operation of the rotor in the motor.
[0004] The existing permanent magnet is fixed to the support structure, generally through custom fixing clamping device, permanent magnet is installed to the support structure, but this custom fixing clamping device, cost is higher, operation convenience is poor, and custom device adaptability is poor, cannot adapt to other size or specification magnetic steel installation. Therefore, a magnetic steel assembly tool with high adaptability and low cost is needed. INVENTION CONTENTS
[0005] The utility model discloses a disc type permanent magnet rotor magnetic steel assembly tool to overcome the above-mentioned prior art exists the cost of custom assembly tool and its adaptability poor defect.
[0006] The utility model discloses a disc type permanent magnet rotor magnetic steel assembly tool to overcome the above-mentioned prior art exists the cost of custom assembly tool and its adaptability poor defect.
[0007] A kind of magnetic steel assembly tool of disc type permanent magnet rotor, disc type permanent magnet rotor includes magnetic steel and support piece, the support piece includes coaxially arranged shaft, support plate and columnar fixed core, the tool includes swing lever, first top fastening piece and second top fastening piece;
[0008] One end of the swing rod is rotatably fixed on the rotating shaft, the first and second tightening members are adjustably fixed on the end of the swing rod away from the rotating shaft, the moving direction of the first tightening member is parallel to the axial direction of the rotating shaft, and the moving direction of the second tightening member is along the radial direction of the rotating shaft.
[0009] Preferably, the swing rod comprises a fixed ring, a horizontal rod and a vertical rod, one end of the horizontal rod is connected to the fixed ring, and the other end is connected to the vertical rod.
[0010] The horizontal rod and the vertical rod are perpendicular to each other, the fixed ring is rotatably sleeved on the rotating shaft, the first tightening member is vertically fixed on the horizontal rod, and the second tightening member is vertically fixed on the vertical rod.
[0011] Preferably, a plurality of mounting holes are arranged on the vertical rod, each mounting hole is distributed in the vertical direction, and the second tightening member is detachably connected to the mounting hole.
[0012] Preferably, the first and second tightening members are both combined structures, and the combined structure comprises an adjusting screw and a non-magnetic body pad.
[0013] The adjusting screw is rotatably fixed on the swing rod, the non-magnetic body pad is provided with a notch corresponding to the threaded end of the adjusting screw, the threaded section of the adjusting screw is abutted in the notch, and one end of the non-magnetic body pad away from the notch is in contact with the magnetic steel.
[0014] Preferably, the notch on the non-magnetic body pad is a hemispherical cavity, the threaded end of the adjusting screw is a circular arc structure, and the threaded end of the adjusting screw is gap-fitted with the notch on the non-magnetic body pad.
[0015] Preferably, the non-magnetic body pad is a nylon block or a stainless steel block.
[0016] Preferably, the tool further comprises a supporting ring and a mounting ring, the supporting ring and the mounting ring are both sleeved on the rotating shaft, the mounting ring is detachably fixed on the rotating shaft, the supporting ring is in contact with the supporting plate, and the swing rod is located between the supporting ring and the mounting ring.
[0017] Preferably, a plurality of fixing screws are arranged around the mounting ring, each fixing screw is distributed at equal intervals, the fixing screw is rotatably fixed on the mounting ring, and the front end of the fixing screw is abutted on the rotating shaft.
[0018] Preferably, the number of the swing rods is at least two, comprising a first swing rod and a second swing rod, and the first swing rod and the second swing rod are arranged in layers.
[0019] Preferably, the first swing lever is located on the side of the second swing lever away from the support plate, and the distance from the end of the first swing lever away from the rotating shaft to the center of the rotating shaft is greater than the distance from the end of the second swing lever away from the rotating shaft to the center of the rotating shaft.
[0020] Compared with the prior art, the utility model has the following advantages:
[0021] (1) the scheme places the magnetic steel to be installed on the support plate, and abuts one end on the columnar fixed core, rotates the swing lever to the position of the magnetic steel, adjusts the first tightening member to abut the magnetic steel on the support plate, adjusts the second tightening member to abut the magnetic steel on one side of the columnar fixed core, and coats glue between the magnetic steel and the columnar fixed core, so that the magnetic steel can be fixed on the support member, then the tightening member is loosened, and the swing lever is rotated to install the next magnetic steel.
[0022] By rotatably fixing one end of the swing lever on the rotating shaft of the rotor, cooperating the first tightening member and the second tightening member on the swing lever, the magnetic steel is axially and radially fixed, and then the magnetic steel is fixed on the columnar fixed core through glue, the tooling is simple in structure and reliable in fixation, and through rotation of the swing lever, the magnetic steels around the columnar fixed core can be fixed, compared with the existing custom tooling, the operation is convenient and the tooling cost is reduced.
[0023] (2) the tightening member in the scheme tightens the magnetic steel through the adjusting screw and the non-magnetic body pad, the slot is arranged on the non-magnetic body pad, and the circular arc structure is arranged at the lower end of the adjusting screw, so that the lower end of the adjusting screw abuts in the slot and cooperates with the slot gap, the contact area of the adjusting screw and the non-magnetic body pad is reduced, the non-magnetic body pad does not rotate with the adjusting screw in the process of rotation of the adjusting screw, and the convenience and installation efficiency of the tightening member operation are improved. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 The utility model provides a magnetic steel assembly tool first visual angle's structure schematic diagram;
[0025] Figure 2 The utility model provides a magnetic steel assembly tool second visual angle's structure schematic diagram;
[0026] Figure 3 The utility model provides a disc type permanent magnet rotor structure schematic diagram;
[0027] In the drawing: 1, disc type permanent magnet rotor, 2, swing lever, 3, first tightening member, 4, second tightening member, 5, support ring, 6, mounting ring, 11, magnetic steel, 12, rotating shaft, 13, support plate, 14, columnar fixed core, 21, fixed ring, 22, horizontal rod, 23, vertical rod, 31, adjusting screw, 32, non-magnetic body pad. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.
[0029] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.
[0030] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0031] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0032] It should be noted that the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0033] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.
[0034] Embodiment 1
[0035] As Figure 1 and Figure 3As shown, the embodiment provides a magnetic steel assembling tool for disc type permanent magnet rotor, the disc type permanent magnet rotor 1 comprises magnetic steels 11 and a support, the support comprises a rotating shaft 12, a support plate 13 and a columnar fixing core 14 arranged coaxially, the tool comprises a swing lever 2, a first tightening member 3 and a second tightening member 4;
[0036] One end of the swing lever 2 is rotatably fixed on the rotating shaft 12, the first tightening member 3 and the second tightening member 4 are adjustably fixed on the end of the swing lever 2 away from the rotating shaft 12, the moving direction of the first tightening member 3 is parallel to the axial direction of the rotating shaft 12, and the moving direction of the second tightening member 4 is along the radial direction of the rotating shaft 12.
[0037] Working principle: place the magnetic steel 11 to be installed on the support plate 13, and abut one end on the columnar fixing core 14, rotate the swing lever 2 to the position of the magnetic steel 11, adjust the first tightening member 3 to abut the magnetic steel 11 on the support plate 13, adjust the second tightening member 4 to abut the magnetic steel 11 on one side of the columnar fixing core 14, and coat glue between the magnetic steel 11 and the columnar fixing core 14, so as to fix the magnetic steel 11 on the support; then loosen the tightening member, rotate the swing lever, and install the next magnetic steel.
[0038] By rotatably fixing one end of the swing lever 2 on the rotating shaft 12 of the rotor, cooperating with the first tightening member 3 and the second tightening member 4 on the swing lever 2, the magnetic steel 11 is axially and radially fixed, and then the magnetic steel is fixed on the columnar fixing core 14 by glue, the tool has simple structure and reliable fixation, and through the rotation of the swing lever, the magnetic steels 11 around the columnar fixing core 14 can be fixed, compared with the existing customized tool, the operation is convenient and the tool cost is reduced.
[0039] Specifically, as shown, Figure 2 The swing lever 2 comprises a fixed ring 21, a horizontal rod 22 and a vertical rod 23, one end of the horizontal rod 22 is connected to the fixed ring 21, and the other end is connected to the vertical rod 23;
[0040] The horizontal rod 22 and the vertical rod 23 are perpendicular to each other, the fixed ring 21 is rotatably sleeved on the rotating shaft 12, the first tightening member 3 is vertically fixed on the horizontal rod 22, and the second tightening member 4 is vertically fixed on the vertical rod 23.
[0041] In a preferred embodiment, a plurality of mounting holes are provided on the vertical rod 23, each mounting hole is distributed in the vertical direction, and the second tightening member 4 is detachably connected to the mounting hole.
[0042] Considering that multiple layers of magnetic steels 11 are generally arranged on the disc type permanent magnet rotor 1, by mounting the second tightening member 4 to the mounting holes at different heights, the second tightening member 4 corresponds to the height of the magnetic steel 11 to be installed, avoiding the replacement or adjustment of the swing lever 2, so as to adapt to the installation height of the magnetic steel 11, improve the adaptability of the tool, and the operation is more convenient.
[0043] In the preferred embodiment, the first and second tightening members 3 and 4 are both combined structures, which include an adjusting screw 31 and a non-magnetic pad 32.
[0044] The adjusting screw 31 is rotatably fixed on the swing rod 2, and the non-magnetic pad 32 is provided with a notch corresponding to the threaded end of the adjusting screw 31. The threaded segment of the adjusting screw 31 is abutted in the notch, and the end of the non-magnetic pad 32 away from the notch is in contact with the magnetic steel 11.
[0045] Further, the notch on the non-magnetic pad 32 is a hemispherical cavity, and the threaded end of the adjusting screw 31 is a circular arc structure. The threaded segment of the adjusting screw 31 is gap-fitted with the notch on the non-magnetic pad 32.
[0046] Specifically, the non-magnetic pad 32 is a nylon block or a stainless steel block.
[0047] The tightening member tightens the magnetic steel by the adjusting screw and the non-magnetic pad. The notch is provided on the non-magnetic pad, and the circular arc structure is provided on the lower end of the adjusting screw, so that the lower end of the adjusting screw is abutted in the notch and gap-fitted with the notch. The contact area between the adjusting screw and the non-magnetic pad is reduced, so that the non-magnetic pad does not rotate with the adjusting screw during the rotation of the adjusting screw, thereby improving the convenience and installation efficiency of the tightening member.
[0048] Specifically, the tool further includes a support ring 5 and a mounting ring 6, both of which are sleeved on the rotating shaft 12, and the mounting ring 6 is detachably fixed on the rotating shaft 12. The support ring 5 is fixedly contacted on the support plate 13, and the swing rod 2 is located between the support ring 5 and the mounting ring 6.
[0049] The mounting ring 6 is provided with a plurality of fixing screws around it, and each fixing screw is distributed at equal intervals. The fixing screw is rotatably fixed on the mounting ring 6, and the front end of the fixing screw is abutted on the rotating shaft 12.
[0050] Further, the number of swing rods 2 is at least two, including a first swing rod and a second swing rod, and the first swing rod and the second swing rod are arranged in layers.
[0051] The first swing rod is located on the side of the second swing rod away from the support plate, and the distance from the end of the first swing rod away from the rotating shaft to the center of the rotating shaft 12 is greater than the distance from the end of the second swing rod away from the rotating shaft to the center of the rotating shaft 12.
[0052] The horizontal rod of the swing rod 2 and the upper surface of the magnetic steel 11 are kept at a certain distance by the support ring 5, which facilitates the placement of the non-magnetic pad of the first tightening member 3 between them. The swing rod 2 is axially fixed by the detachable mounting ring 6 in cooperation with the support ring 5, and the swing rod 2 can rotate, thereby improving the continuity of the installation of the magnetic steel 11.
[0053] Specifically, the working process of the magnetic steel assembling tool is as follows:
[0054] The support ring 5, the swing lever 2 and the fixing ring 6 are installed on the rotating shaft 12, the magnetic steel 11 is placed on the support plate 13, the front end of the magnetic steel 11 abuts against the columnar fixing core 14, the swing lever 2 is rotated to the position of the magnetic steel 11, the non-magnetic body pad 32 is abutted against the magnetic steel 11 to be installed by rotating the adjusting screw 31, the magnetic steel 11 is axially and radially fixed by the first and second jacking members 3 and 4, then the quick-drying adhesive is coated between the magnetic steel 11 and the columnar fixing core 14, and after a period of time, the installation of the magnetic steel 11 is completed.
[0055] The adjusting screw 31 of the first and second jacking members 3 and 4 is loosened, the corresponding non-magnetic body pad 32 is removed, the swing lever 2 is rotated to switch to the installation of the next magnetic steel 11, after the installation of one layer is completed, the adjusting screw 31 is switched to the installation hole of the corresponding height of the magnetic steel 11 to be installed in the next layer, and the installation of the magnetic steels 11 in each layer of the disc type permanent magnet rotor 1 is completed.
[0056] The preferred embodiments of the utility model are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the utility model. Therefore, any technical scheme obtained by logical analysis, reasoning or limited experiment on the basis of the prior art according to the concept of the utility model should be within the protection scope defined by the claims.
Claims
1. A disc type permanent magnet rotor magnetic steel assembly tool, a disc type permanent magnet rotor (1) comprising a magnetic steel (11) and a support, the support comprising a rotating shaft (12), a support plate (13) and a columnar fixing core (14) arranged coaxially, characterized in that, The tool comprises a swing lever (2), a first tightening member (3) and a second tightening member (4); One end of the swing lever (2) is rotatably fixed on a rotating shaft (12), the first tightening member (3) and the second tightening member (4) are adjustably fixed on the end of the swing lever (2) away from the rotating shaft (12), the moving direction of the first tightening member (3) is parallel to the axial direction of the rotating shaft (12), and the moving direction of the second tightening member (4) is along the radial direction of the rotating shaft (12).
2. The disc type permanent magnet rotor magnetic steel assembling tooling according to claim 1, characterized in that, The swing lever (2) comprises a fixed ring (21), a horizontal lever (22) and a vertical lever (23), one end of the horizontal lever (22) is connected with the fixed ring (21), and the other end is connected with the vertical lever (23); The horizontal lever (22) and the vertical lever (23) are perpendicular to each other, the fixed ring (21) is rotatably sleeved on the rotating shaft (12), the first tightening member (3) is vertically fixed on the horizontal lever (22), and the second tightening member (4) is vertically fixed on the vertical lever (23).
3. The disc type permanent magnet rotor magnetic steel assembling tooling according to claim 2, characterized in that, A plurality of mounting holes are arranged on the vertical lever (23) and are distributed in the vertical direction, and the second tightening member (4) is detachably connected with the mounting holes.
4. The disc type permanent magnet rotor magnetic steel assembling tooling according to claim 1, characterized in that, The first tightening member (3) and the second tightening member (4) are both combined structures, and the combined structure comprises an adjusting screw (31) and a non-magnetic body pad (32); The adjusting screw (31) is rotatably fixed on the swing lever (2), the non-magnetic body pad (32) is provided with a notch corresponding to the threaded end of the adjusting screw (31), the threaded section of the adjusting screw (31) is abutted in the notch, and one end of the non-magnetic body pad (32) away from the notch is in contact with the magnetic steel (11).
5. The disc type permanent magnet rotor magnetic steel assembling tooling according to claim 4, characterized in that, The notch on the non-magnetic body pad (32) is a hemispherical cavity, the threaded end of the adjusting screw (31) is an arc structure, and the threaded section of the adjusting screw (31) is gap-fitted with the notch on the non-magnetic body pad (32).
6. The disc type permanent magnet rotor magnetic steel assembling tooling apparatus according to claim 4, characterized in that, The non-magnetic body pad (32) is a nylon block or a stainless steel block.
7. The disc type permanent magnet rotor magnetic steel assembling tooling of claim 1, wherein, The tool further comprises a supporting ring (5) and a mounting ring (6), the supporting ring (5) and the mounting ring (6) are both sleeved on the rotating shaft (12), the mounting ring (6) is detachably fixed on the rotating shaft (12), the supporting ring (5) is fixed on the supporting plate (13), and the swing lever (2) is located between the supporting ring (5) and the mounting ring (6).
8. The disc type permanent magnet rotor magnetic steel assembling tooling according to claim 7, characterized in that, A plurality of fixing screws are arranged around the mounting ring (6) and are distributed at equal intervals, the fixing screws are rotatably fixed on the mounting ring (6), and the front ends of the fixing screws are abutted on the rotating shaft (12).
9. The disc type permanent magnet rotor magnetic steel assembling tooling apparatus according to claim 1, characterized in that, The number of the swing levers (2) is at least two, including a first swing lever and a second swing lever, and the first swing lever and the second swing lever are arranged in layers.
10. The disc type permanent magnet rotor magnetic steel assembling tooling according to claim 9, characterized in that, The first swing lever is located on the side of the second swing lever away from the supporting plate, and the distance from the end of the first swing lever away from the rotating shaft to the center of the rotating shaft (12) is greater than the distance from the end of the second swing lever away from the rotating shaft to the center of the rotating shaft (12).