A stator mounting auxiliary device for a moving magnet linear motor
By designing an auxiliary device for installing the stator of a moving magnet linear motor, the position of the motor stator is adjusted using a support and adjustment mechanism, which solves the problem of the attraction force during the motor installation process, achieves precise installation, reduces the risk of collision, and improves installation efficiency and accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI JIAOCHENG SEMICONDUCTOR EQUIPMENT TECHNOLOGY CO LTD
- Filing Date
- 2025-08-11
- Publication Date
- 2026-07-03
Smart Images

Figure CN224459581U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of linear motor assembly technology, specifically relating to an auxiliary device for stator installation of a moving magnet linear motor. Background Technology
[0002] As a core component of direct drive technology, the performance advantages of linear motors have been widely recognized in the high-end equipment field. However, in practical engineering applications, in order to improve the load capacity of linear motors, it is usually necessary to increase the magnet strength and reduce the distance between the moving and stating motors in the motor design. This results in a strong attraction between the moving and stating motors, making the motor assembly more difficult and the installation accuracy harder to improve.
[0003] Therefore, it is necessary to improve upon the shortcomings of existing technologies in order to overcome their deficiencies in practical applications. Utility Model Content
[0004] Based on the aforementioned shortcomings and deficiencies in the existing technology, one of the objectives of this utility model is to at least solve one or more of the aforementioned problems in the existing technology. In other words, one of the objectives of this utility model is to provide a stator mounting auxiliary device for a moving magnet linear motor that meets one or more of the aforementioned requirements.
[0005] To achieve the above-mentioned objectives, this utility model adopts the following technical solution:
[0006] This utility model provides an auxiliary device for installing the stator of a moving magnet linear motor, including a linear motor, a support mechanism, and an adjustment mechanism. The linear motor includes a motor base, a motor top cover, a lower coil stator, a guide rail, a magnetic mover, and an upper coil stator. The motor top cover is connected to the motor base, and the upper coil stator is installed at the bottom of the motor top cover. The lower coil stator is installed inside the motor base, and the guide rail is installed on the motor base. The magnetic mover is located between the upper coil stator and the lower coil stator and cooperates with the guide rail. The adjustment mechanism is installed on the support mechanism and is connected to the motor top cover. The distance between the upper coil stator and the magnetic mover is adjusted by the movement of the adjustment mechanism in conjunction with the support mechanism. The position of the upper coil stator in the horizontal plane is adjusted by the adjustment mechanism to achieve the installation of the linear motor.
[0007] As a preferred embodiment, the support mechanism includes a base plate, a support, a guide shaft, a lifting beam, a fixed beam, a lead screw, and a handwheel. The support is installed on the base plate, and the guide shaft is connected to the support. The guide shaft passes through the lifting beam and is connected to the fixed beam. One end of the lead screw passes through the fixed beam and is connected to the lifting beam, and the other end of the lead screw is equipped with a handwheel.
[0008] As a preferred embodiment, a linear bearing is installed between the guide shaft and the lifting beam.
[0009] As a preferred embodiment, a ball bearing is installed between the lead screw and the lifting beam.
[0010] As a preferred embodiment, the adjustment mechanism includes an adjustment plate, a first screw, a second screw, a stop block, and a positioning pin. The adjustment plate is installed on the lifting beam, the stop block is located on the left and right sides of the adjustment plate, the first screw passes through the stop block and abuts against the adjustment plate, the second screw is located on the front and rear sides of the adjustment plate, and the positioning pin is located at the top of the adjustment plate.
[0011] As a preferred embodiment, the adjustment plate is provided with a through hole, and the lead screw passes through the through hole.
[0012] As a preferred embodiment, the second screw penetrates the adjusting plate and abuts against the side wall of the lifting beam.
[0013] As a preferred embodiment, the positioning pin passes through the adjustment plate and is connected to the lifting beam.
[0014] As a preferred embodiment, the magnet mover is slidably connected to the guide rail.
[0015] Compared with the prior art, the advantages of this utility model are:
[0016] This utility model provides an auxiliary device for installing the stator of a moving magnet linear motor, which overcomes the influence of attraction during the installation of the moving stator of the motor, reduces the difficulty of assembly, avoids accidents such as magnet collision damage and injury during installation, and provides better precision.
[0017] This utility model provides an auxiliary device for installing the stator of a moving magnet linear motor. During the installation of the upper coil stator, the distance and height between the upper coil stator and the moving magnet are controlled by a support mechanism to avoid violent collisions of the workpiece due to the huge attraction between the coil and the magnet during the installation process. The adjustment mechanism can overcome the attraction between the coil and the magnet and adjust the relative positions of the coil and the magnet in the front-back and left-right directions during the installation of the upper coil stator to ensure the accuracy of the installation position. Attached Figure Description
[0018] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other embodiments can be obtained from these drawings without creative effort.
[0019] Figure 1 This is a schematic diagram of the structure of the stator mounting auxiliary device for a moving magnet linear motor according to an embodiment of this application;
[0020] Figure 2 This is a schematic diagram of the support mechanism according to an embodiment of this application;
[0021] Figure 3 This is a schematic diagram of the adjustment mechanism according to an embodiment of this application;
[0022] Figure 4 This is a schematic diagram of the structure of the motor base, lower coil stator, and magnet mover according to an embodiment of this application;
[0023] Figure 5 This is a schematic diagram of the structure of the motor top cover and the upper coil stator according to an embodiment of this application;
[0024] Figure 6 This is a schematic diagram of the linear motor assembly process according to an embodiment of this application;
[0025] In the diagram: 1 Linear motor, 11 Motor base, 12 Motor top cover, 13 Lower coil stator, 14 Guide rail, 15 Magnet mover, 16 Upper coil stator, 2 Support mechanism, 21 Base plate, 22 Support, 23 Guide shaft, 24 Linear bearing, 25 Lifting crossbeam, 26 Ball bearing, 27 Fixed crossbeam, 28 Lead screw, 29 Handwheel, 3 Adjustment mechanism, 31 Adjustment plate, 32 First screw, 33 Stop block, 34 Second screw, 35 Positioning pin. Detailed Implementation
[0026] To more clearly illustrate the embodiments of this application, the specific implementation methods of this application will be described below with reference to the accompanying drawings. Obviously, the drawings described below are merely some embodiments of this application. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without any creative effort.
[0027] In the description of the embodiments of this application, the terms "upper," "lower," "front," "rear," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. In addition, the terms "first," "second," etc., are only used for distinction in description and have no special meaning.
[0028] According to some embodiments of this application, please refer to Figures 1 to 6As shown, an auxiliary device for installing the stator of a moving magnet linear motor is provided, including a linear motor 1, a support mechanism 2, and an adjustment mechanism 3. The linear motor 1 includes a motor base 11, a motor upper cover 12, a lower coil stator 13, a guide rail 14, a magnet mover 15, and an upper coil stator 16. The motor upper cover 12 is connected to the motor base 11, and the upper coil stator 16 is installed at the bottom of the motor upper cover 12. The lower coil stator 13 is installed inside the motor base 11, and the guide rail 14 is installed on the motor base 11. The magnet mover 15 is located between the upper coil stator 16 and the lower coil stator 13 and cooperates with the guide rail 14. The adjustment mechanism 3 is installed on the support mechanism 2 and is connected to the motor upper cover 12. The distance between the upper coil stator 16 and the magnet mover 15 is adjusted by the linkage between the support mechanism 2 and the adjustment mechanism 3. The position of the upper coil stator 16 in the horizontal plane is adjusted by the adjustment mechanism 3 to realize the installation of the linear motor 1.
[0029] Specifically, the lower coil stator 13 is fixed inside the cavity of the motor base 11, and two guide rails 14 are fixed to both sides of the motor base 11. The two sides of the magnet mover 15 are slidably connected to the two guide rails 14 respectively, and the magnet mover 15 is installed above the lower coil stator 13, with a small gap between them. The upper coil stator 16 is fixed inside the lower cavity of the motor cover 12, and the motor cover 12 is fixed to the motor base 11 by screws. During the installation of the linear motor, the magnet mover 15 must first be connected to the motor base 11 through the guide rails 14, and then the upper coil stator 16 and the lower coil stator 13 are installed.
[0030] In some specific embodiments, the support mechanism 2 includes a base plate 21, a support 22, a guide shaft 23, a lifting beam 25, a fixed beam 27, a lead screw 28, and a handwheel 29. The support 22 is installed on the base plate 21, and the guide shaft 23 is connected to the support 22. The guide shaft 23 passes through the lifting beam 25 and is connected to the fixed beam 27. One end of the lead screw 28 passes through the fixed beam 27 and is connected to the lifting beam 25. The other end of the lead screw 28 is equipped with a handwheel 29.
[0031] Furthermore, a linear bearing 24 is installed between the guide shaft 23 and the lifting beam 25, and a ball bearing 26 is installed between the lead screw 28 and the lifting beam 25.
[0032] Furthermore, the base plate 21 is provided with pins and threaded holes for positioning and fixing the linear motor 1. The lifting beam 25 is connected to the adjustment mechanism 3. The motor cover 12 can be fixed below the adjustment mechanism 3. It is connected to the guide shaft 23 through linear bearings 24 on both sides. The lifting beam 25 has an opening in the middle and is equipped with a ball bearing 26. The fixed beam 27 is fixed to the top of the guide shafts 23 on both sides. The lead screw 28 is connected to the fixed beam 27 through threads, and a handwheel 29 is installed on the top. By rotating the handwheel 29, the lifting beam 25 can be driven to move up and down.
[0033] In some specific embodiments, the adjustment mechanism 3 includes an adjustment plate 31, a first screw 32, a second screw 34, a stop block 33, and a positioning pin 35. The adjustment plate 31 is installed on the lifting beam 25, the stop block 33 is located on the left and right sides of the adjustment plate 31, the first screw 32 passes through the stop block 33 and abuts against the adjustment plate 31, the second screw 34 is located on the front and rear sides of the adjustment plate 31, and the positioning pin 35 is located at the top of the adjustment plate 31.
[0034] Furthermore, the adjustment plate 31 has a through hole in the middle, the lead screw 28 passes through the through hole, the second screw 34 passes through the adjustment plate 31 and abuts against the side wall of the lifting beam 25, and the positioning pin 35 passes through the adjustment plate 31 and is connected to the lifting beam 25.
[0035] Furthermore, the adjusting plate 31 is installed on the lifting beam 25 and positioned by two positioning pins 35 on the adjusting plate. It can move up and down with the lifting beam 25. The second screw 34 is installed on the front and rear sides of the adjusting plate 31 to adjust the position of the adjusting plate 31 in the front-back direction. The stop block 33 includes a left stop block and a right stop block, which are fixed to the lifting beam 25 by screws. The first screws 32 on the left and right sides are respectively installed on the left stop block and the right stop block to adjust the position of the adjusting plate 31 in the left-right direction.
[0036] During use, the adjustment plate 31 can be connected to the motor upper cover 12 or the lower coil stator 13 via screws, thereby ensuring the stable installation of the motor coil under the drive of the support structure 2 and preventing violent collisions between motor components due to the strong attraction between the magnet and the coil. Furthermore, the second screws 34 positioned at the front and rear and the first screws 32 positioned at the left and right on the adjustment mechanism 3 can be used to adjust the coil's installation position in a timely manner during installation, ensuring assembly accuracy.
[0037] The usage process of the stator mounting auxiliary device for a moving magnet linear motor according to this application is as follows:
[0038] S1: Fix the upper coil stator 16 in the lower cavity of the motor cover 12, then fix the motor cover 12 to the adjusting plate 31 with screws, and turn the handwheel 29 to raise the motor cover 12 to the top.
[0039] S2: Connect the magnet mover 15 to the motor base 11 via the guide rail 14, and then fix the motor base 11 on the base plate 21.
[0040] S3: Turn the handwheel 29 to slowly lower the motor cover 12 and the upper coil stator 16. When the motor cover 12 is close to contacting the motor base 11, remove the positioning pin 35 of the adjustment plate on the adjustment device 3. Adjust the position of the motor cover 12 and the upper coil stator 16 by using the four front and rear second screws 34 and the four left and right first screws 32 on the adjustment plate 31. After the adjustment is completed, continue to turn the handwheel 29 to make the motor cover 12 fit together with the motor base 11. Connect the two with screws.
[0041] S4: Loosen the screw connection between the motor cover 12 and the adjustment plate 31, turn the handwheel 29 to raise the motor cover 12 to the top, reinstall the adjustment plate positioning pin 35, then loosen the screw connection between the motor base 11 and the base plate 21, and remove the linear motor.
[0042] S5: Connect the lower coil stator 13 to the adjustment plate 31 with screws, then flip the linear motor and connect the motor cover 12 to the base plate 21 with screws.
[0043] S6: Turn the handwheel 29 to slowly lower the lower coil stator 13. When the lower coil stator 13 is close to contacting the motor base 11, remove the positioning pin 35 of the adjustment plate. Adjust the position of the lower coil stator 13 by using the four front and rear second screws 34 and the four left and right first screws 32 on the adjustment plate 31. After the adjustment is completed, continue to turn the handwheel 29 to make the lower coil stator 13 fit together with the motor base 11. Then use screws to connect the two together.
[0044] S7: Loosen the screw connection between the lower coil stator 13 and the adjustment plate 31, turn the handwheel 29 to move the lower coil stator 13 to the top, reinstall the adjustment plate positioning pin 35, loosen the motor cover 12 and the base plate 21, remove the linear motor, and assemble completely.
[0045] In the description of the embodiments of this application, unless otherwise expressly specified and limited, the technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.
[0046] The above description is only a detailed explanation of the preferred embodiments and principles of this application. For those skilled in the art, there may be changes in the specific implementation based on the ideas provided by this utility model, and these changes should also be considered within the scope of protection of this application.
Claims
1. An auxiliary device for mounting a stator of a moving magnet type linear motor, characterized by comprising: The system includes a linear motor, a support mechanism, and an adjustment mechanism. The linear motor comprises a motor base, a motor top cover, a lower coil stator, a guide rail, a magnetic mover, and an upper coil stator. The motor top cover is connected to the motor base, and the upper coil stator is mounted at the bottom of the motor top cover. The lower coil stator is mounted inside the motor base, and the guide rail is mounted on top of the motor base. The magnetic mover is positioned between the upper and lower coil stators and cooperates with the guide rail. The adjustment mechanism is mounted on the support mechanism and connected to the motor top cover. The adjustment mechanism moves in conjunction with the support mechanism to adjust the distance between the upper coil stator and the magnetic mover. The adjustment mechanism is used to adjust the position of the upper coil stator in the horizontal plane to achieve the installation of the linear motor.
2. A moving magnet linear motor stator mounting aid according to claim 1, characterised in that, The support mechanism includes a base plate, a support, a guide shaft, a lifting beam, a fixed beam, a lead screw, and a handwheel. The support is installed on the base plate, and the guide shaft is connected to the support. The guide shaft passes through the lifting beam and is connected to the fixed beam. One end of the lead screw passes through the fixed beam and is connected to the lifting beam, and the other end of the lead screw is equipped with a handwheel.
3. A moving magnet linear motor stator mounting aid according to claim 2, characterised in that, A linear bearing is installed between the guide shaft and the lifting beam.
4. The auxiliary device for installing a stator of a moving magnet linear motor according to claim 2, characterized in that, A ball bearing is installed between the lead screw and the lifting beam.
5. The auxiliary device for installing a stator of a moving magnet linear motor according to claim 2, characterized in that, The adjustment mechanism includes an adjustment plate, a first screw, a second screw, a stop block, and a positioning pin. The adjustment plate is installed on the lifting beam. The stop block is located on the left and right sides of the adjustment plate. The first screw passes through the stop block and abuts against the adjustment plate. The second screw is located on the front and rear sides of the adjustment plate. The positioning pin is located at the top of the adjustment plate.
6. A moving magnet linear motor stator mounting aid according to claim 5, characterised in that, The adjustment plate has a through hole, and the lead screw passes through the through hole.
7. The auxiliary device for installing a stator of a moving magnet linear motor according to claim 5, characterized in that, The second screw passes through the adjusting plate and abuts against the side wall of the lifting beam.
8. The auxiliary device for installing a stator of a moving magnet linear motor according to claim 5, characterized in that, The positioning pin passes through the adjustment plate and is connected to the lifting beam.
9. The auxiliary device for installing a stator of a moving magnet linear motor according to claim 1, characterized in that, The magnet mover is slidably connected to the guide rail.