A dynamic balancing machine for motor production

Abstract

The utility model relates to motor processing technical field, concretely is a motor production with dynamic balancing machine, including bottom plate is equipped with two symmetrical setting support subassembly, two support subassembly are driven under the mobile subassembly and are close to each other or are far from each other, lifting subassembly is established between two support subassembly, rotating subassembly is established above lifting subassembly, wherein, support subassembly specifically includes moving plate, is slid in the bottom plate, and is connected with mobile subassembly, and the recess that is linked with outside is equipped with in moving plate upper end, and the movable closure is equipped with in moving plate upper end, clamping subassembly is established in recess, and anti -displacement subassembly is established in recess one side, and with motor rotor end portion contact, the utility model has the advantages such as adapting different diameter motor rotor, evenly distributed clamping force.

Description

Technical Field

[0001] This utility model relates to the field of motor processing technology, specifically a dynamic balancing machine for motor production. Background Technology

[0002] In the motor manufacturing process, the dynamic balancing accuracy of the motor rotor has a crucial impact on the motor's operational stability, vibration amplitude, service life, and noise level. If the motor rotor is dynamically unbalanced, it will generate significant centrifugal force during high-speed operation, leading to increased motor vibration, accelerated bearing wear, and even motor failure, severely affecting the overall performance and reliability of the motor. Therefore, using a dynamic balancing machine to perform dynamic balancing testing and correction of the motor rotor has become a critical step in motor production.

[0003] Traditional dynamic balancing machines typically employ a fixed support structure, using rigid clamps to hold the rotor at both ends and drive its rotation to detect and correct imbalances. However, as motor products evolve towards higher precision and more diverse specifications, existing dynamic balancing machines have gradually revealed shortcomings in adaptability, ease of operation, and testing accuracy. Traditional clamps often use rigid fixing structures, requiring manual adjustment to fit rotor ends of different diameters, and excessive friction during clamping can easily damage the rotor surface. For example, some devices use hydraulic grippers to directly clamp the rotor journal, which achieves fixation, but uneven clamping force distribution can cause slight axial deformation of the rotor, affecting the accuracy of the dynamic balancing test. Utility Model Content

[0004] In view of this, the present invention provides a dynamic balancing machine for motor production, which aims to solve the problems in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a dynamic balancing machine for motor production, comprising:

[0006] The base plate has two symmetrically arranged support components, which move closer to or further apart from each other under the drive of the moving component.

[0007] A lifting assembly, disposed between the two support assemblies, is used to lift the motor rotor;

[0008] A rotating assembly, located above the lifting assembly, is used to drive the motor rotor to rotate;

[0009] The supporting components specifically include,

[0010] A movable plate is slidably mounted on the base plate and connected to the movable component. The upper end of the movable plate is provided with a groove that communicates with the outside world, and the upper end of the movable plate is provided with an openable and closable pressure cover.

[0011] A clamping assembly is provided in the groove for clamping the end of the motor rotor, and the motor rotor rotates continuously during clamping.

[0012] An anti-displacement component is located on one side of the groove and contacts the end of the motor rotor to prevent the motor rotor from moving axially, while the motor rotor continues to rotate.

[0013] A further improvement of this utility model is that the clamping assembly includes:

[0014] The first clamping plate is slidably mounted on the support plate in the groove and is raised and lowered under the drive of the first hydraulic cylinder. The upper end of the first clamping plate is provided with a first roller.

[0015] Two second clamping plates are symmetrically arranged on both sides of the first clamping plate. Each second clamping plate is obtuse-angled. The upper ends of the two second clamping plates are respectively provided with two second rollers. The middle part of the second clamping plate is hinged to the support plate. The lower end of the second clamping plate is provided with a third roller, which is in rolling connection with the corresponding inclined plate on the first clamping plate. A spring is provided between the upper end of the second clamping plate and the inner wall of the corresponding groove. The first end of the spring is connected to the inner wall of the groove, and the second end of the spring is connected to the upper end of the second clamping plate.

[0016] A further improvement of this utility model is that the anti-displacement component includes:

[0017] The first horizontal plate is positioned horizontally on the outside of the movable plate;

[0018] A first screw is mounted on the first horizontal plate and parallel to the motor rotor. A first handwheel is provided at the end of the first screw.

[0019] A first sliding plate is disposed on the first horizontal plate and screwed to the first screw;

[0020] The first slider is slidably disposed in the first through hole of the first sliding plate, and the first slider is horizontally rotated with a top shaft on the side facing the end of the motor rotor;

[0021] The second screw is vertically installed in the first through hole. Its lower end is connected to the first slider shaft, and its upper end is screwed to the top of the first through hole and then fixed with the second handwheel.

[0022] A further improvement of this utility model is that the pressure cap is provided with a third screw, the lower end of the third screw is provided with a pressure rod, the lower end of the pressure rod is provided with a rotating wheel, the lower end of the third screw is screwed to and passes through the pressure cap, the pressure rod is parallel to the first clamping plate, the lower surface of the pressure cap is provided with a fixing sleeve coaxial with the third screw, and the guide groove on the inner wall of the fixing sleeve is slidably connected to the guide key fixed on the pressure rod along its axial direction.

[0023] A further improvement of this utility model is that the moving component includes a first rotating shaft that rotates under the drive of a first motor, and two threaded sections with opposite directions on the first rotating shaft are respectively screwed to two moving plates.

[0024] A further improvement of this utility model is that the lifting component includes:

[0025] The second hydraulic cylinder is fixedly mounted on the base plate;

[0026] A first arc-shaped plate is fixed to the end of the piston rod of the second hydraulic cylinder, and a plurality of fourth rollers are provided on the inner wall of the first arc-shaped plate.

[0027] A further improvement of this utility model is that the rotating assembly includes:

[0028] The second rotating shaft is vertically disposed on one side of the lifting assembly and rotates under the drive of the rotating assembly;

[0029] A fixed plate is horizontally positioned at the upper end of the second rotating shaft;

[0030] The third hydraulic cylinder is fixed to the free end of the fixed plate;

[0031] The second arc-shaped plate is located below the fixed plate, and its upper end is fixedly connected to the end of the piston rod of the third hydraulic cylinder. Two first pulleys are rotated on the lower end of one side of the second arc-shaped plate. One of the first pulleys rotates under the drive of the second motor. A tensioning wheel is rotated on the second arc-shaped plate above the two first pulleys. The two first pulleys and the tensioning wheel are connected by a belt. The lower surface of the belt is in contact with the motor rotor.

[0032] A further improvement of this utility model is that the rotating component includes a third motor, wherein a first gear fixed on its power output end meshes with a second gear fixed on the second rotating shaft.

[0033] The technological advancements achieved by this utility model due to the adoption of the above technical solution are as follows:

[0034] This invention provides a dynamic balancing machine for motor production. A first clamping plate is driven to rise and fall by a first hydraulic cylinder. A first roller at its upper end and second rollers on the second clamping plates on both sides together form a three-point support. The second clamping plate achieves elastic reset via springs and adaptive adjustment through the rolling connection between a third roller and the inclined plate of the first clamping plate. Compared to existing designs, this structure not only evenly distributes clamping force, preventing excessive local pressure from damaging the rotor surface, but also ensures that the rotor can still rotate freely while clamped due to rolling friction between the rollers and the rotor, effectively guaranteeing the accuracy of dynamic balancing tests. Furthermore, it eliminates the need for manual adjustment and can be adapted to rotor ends of different diameters. Attached Figure Description

[0035] To more clearly illustrate the technical solutions in the embodiments of this utility model, 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 utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0036] Figure 1 This is a schematic diagram of the overall structure of the dynamic balancing machine described in this utility model;

[0037] Figure 2 This is a schematic diagram of the support components of the dynamic balancing machine described in this utility model;

[0038] Figure 3 This is a schematic diagram of the anti-displacement component of the dynamic balancing machine described in this utility model;

[0039] Figure 4 This is a schematic diagram of the moving component of the dynamic balancing machine described in this utility model;

[0040] Figure 5 This is a schematic diagram of the rotating component of the dynamic balancing machine described in this utility model.

[0041] Explanation of reference numerals in the attached figures:

[0042] 10-Base plate, 20-Support assembly, 21-Moving plate, 211-Groove, 212-Support plate, 22-Pressure cap, 221-Third screw, 222-Pressure rod, 223-Roller, 224-Guide key, 225-Fixing sleeve, 30-Clamping assembly, 31-First clamping plate, 311-First roller, 312-Slant plate, 32-First hydraulic cylinder, 33-Second clamping plate, 331-Second roller, 332-Third roller, 34-Spring, 40-Anti-displacement assembly, 41-First horizontal plate, 42-First screw, 421-First handwheel, 43-The A sliding plate, 431-first through hole, 44-first slider, 441-top shaft, 45-second screw, 451-second handwheel, 50-moving component, 51-first rotating shaft, 52-first motor, 60-lifting component, 61-second hydraulic cylinder, 62-first arc plate, 63-fourth roller, 70-rotating component, 71-second rotating shaft, 711-second gear, 72-third motor, 721-first gear, 73-fixed plate, 74-third hydraulic cylinder, 75-second arc plate, 76-first pulley, 77-tensioning wheel, 78-belt. Detailed Implementation

[0043] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, in the following description, specific details such as particular system structures and technologies are set forth for illustrative purposes rather than for limiting purposes, in order to provide a thorough understanding of the embodiments of the present invention. However, those skilled in the art should understand that the present invention can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid unnecessary details hindering the description of the present invention.

[0044] This utility model provides a dynamic balancing machine for motor production, as detailed in the attached instruction manual. Figure 1 To be continued Figure 5 It can be seen that a dynamic balancing machine for motor production mainly includes the following parts or components: base plate 10, lifting assembly 60, rotating assembly 70, moving plate 21, clamping assembly 30, and anti-displacement assembly 40.

[0045] In this utility model, the base plate 10 is provided with two symmetrically arranged support components 20. The two support components 20 move closer to each other or further away from each other under the drive of the moving component 50. The lifting component 60 is located between the two support components 20 and is used to lift the motor rotor. The rotating component 70 is located above the lifting component 60 and is used to drive the motor rotor to rotate. Specifically, the support component 20 includes a moving plate 21 that slides on the base plate 10 and is connected to the moving component 50. The upper end of the moving plate 21 is provided with a groove 211 that communicates with the outside. The upper end of the moving plate 21 is provided with an openable and closable pressure cover 22. The clamping component 30 is located in the groove 211 and is used to clamp the end of the motor rotor. When clamped, the motor rotor always rotates. The anti-displacement component 40 is located on one side of the groove 211 and contacts the end of the motor rotor. It is used to prevent the axial movement of the motor rotor. While preventing the movement, the motor rotor always rotates.

[0046] The pressure cap 22 is provided with a third screw 221, and a pressure rod 222 is rotated at the lower end of the third screw 221. A rotating wheel 223 is provided at the lower end of the pressure rod 222. The lower end of the third screw 221 is screwed to the pressure cap 22 and passes through it. The pressure rod 222 is parallel to the first clamping plate 31. The lower surface of the pressure cap 22 is provided with a fixing sleeve 225 coaxial with the third screw 221. The guide groove on the inner wall of the fixing sleeve 225 (not shown in the figure) is slidably connected to the guide key 224 fixed on the pressure rod 222 along its axial direction.

[0047] Depending on the length of the motor rotor to be tested, the moving component 50 is used to move the two support components 20 away from or towards each other until the spacing between the support components 20 is adapted to the length of the motor rotor. The motor rotor is first placed on the lifting component 60 to prepare for subsequent precise clamping. The pressure cover 22 at the upper end of the moving plate 21 is opened, and the end of the motor rotor is placed above the clamping component 30 in the groove 211. Then the pressure cover 22 is closed, and the operator manually or with a tool rotates the third screw 221. Since the third screw 221 is screwed to the pressure cover 22, rotating the third screw 221 will cause it to move downward relative to the pressure cover 22. The lower end of the third screw 221 is rotatably connected to the pressure rod 222, so the rotational movement of the third screw 221 will be converted into the vertical downward movement of the pressure rod 222. As the pressure rod 222 descends, the rotating wheel 223 set at the lower end of the pressure rod 222 will gradually approach and eventually contact the end of the motor rotor placed on the clamping component 30. The design of the rotating wheel 223 allows the motor rotor to rotate freely during the testing process while the pressure rod 222 applies pressure to the end of the motor rotor. During the lifting and lowering of the pressure rod 222, the guide key 224 fixed on the pressure rod 222 always slides within the guide groove on the inner wall of the fixed sleeve 225. The cooperation between the guide key 224 and the guide groove provides precise guidance, ensuring that the pressure rod 222 always remains vertically raised and lowered, preventing the pressure rod 222 from shifting during descent. This ensures that the rotating wheel 223 can accurately and vertically press on the end of the motor rotor, guaranteeing clamping stability and testing accuracy. The operator adjusts the descent degree of the pressure rod 222 by rotating the third screw 221 according to the specifications of the motor rotor and the testing requirements, thereby controlling the clamping force of the rotating wheel 223 on the end of the rotor. Appropriate clamping force ensures that the rotor remains stable during rotation, while avoiding damage to the end of the rotor or affecting the testing results due to excessive clamping force. The anti-displacement component 40 prevents axial movement while allowing the rotor to rotate freely, and the rotating component 70 is designed to drive the motor rotor to rotate.

[0048] Specifically, the locking method of the cover 22 is existing technology and will not be described in detail here.

[0049] As one embodiment, in conjunction with the appendix to the specification Figure 2It is known that the clamping assembly 30 includes a first clamping plate 31, which is slidably mounted on a support plate 212 in a groove 211 and is lifted and lowered under the drive of a first hydraulic cylinder 32. The upper end of the first clamping plate 31 is provided with a first roller 311. Two second clamping plates 33 are symmetrically arranged on both sides of the first clamping plate 31. Each second clamping plate 33 is obtuse-angled. The upper ends of the two second clamping plates 33 are respectively provided with two second rollers 331. The middle part of the second clamping plate 33 is hinged to the support plate 212. The lower end of the second clamping plate 33 is provided with a third roller 332, which is rollingly connected to the corresponding inclined plate 312 on the first clamping plate 31. A spring 34 is provided between the upper end of the second clamping plate 33 and the inner wall of the corresponding groove 211. The first end of the spring 34 is connected to the inner wall of the groove 211, and the second end of the spring 34 is connected to the upper end of the second clamping plate 33.

[0050] During clamping, the first hydraulic cylinder 32 is activated to drive the first clamping plate 31 to rise vertically. The first roller 311 first contacts the lower surface of the motor rotor end, providing initial support. As the first clamping plate 31 continues to rise, the inclined plate 312 pushes the third roller 332 to roll outward, and the second clamping plate 33 rotates around the central hinge point. The upper second roller 331 moves closer to the motor rotor end, and the spring 34 is gradually stretched, generating an inward restoring force to ensure that the second roller 331 maintains stable contact with the surface of the motor rotor end. This method can adapt to rotor ends of different diameters and can evenly distribute the clamping force. When the rotating assembly 70 drives the motor rotor to rotate, both the first roller 311 and the second roller 331 roll around their own axes, forming rolling friction with the surface of the motor rotor end, avoiding excessive local pressure that could damage the surface of the motor rotor.

[0051] When released, the first hydraulic cylinder 32 drives the first clamping plate 31 to fall back, the thrust of the inclined plate 312 on the third roller 332 decreases, the tension of the spring 34 causes the second clamping plate 33 to rotate in the opposite direction, the second roller 331 moves outward, releasing the clamping force on the end of the motor rotor, the first roller 311 drops to the initial position, and the motor rotor falls onto the lifting assembly 60 after completely disengaging from the clamping assembly 30, and is then removed by the hoisting equipment.

[0052] As one embodiment, in conjunction with the appendix to the specification Figure 3 It can be seen that the anti-displacement component 40 includes a first horizontal plate 41, which is horizontally arranged outside the moving plate 21; a first screw 42 is rotatably mounted on the first horizontal plate 41 and parallel to the motor rotor, and a first handwheel 421 is provided at the end of the first screw 42; a first sliding plate 43 is arranged on the first horizontal plate 41 and screwed to the first screw 42; a first slider 44 is slidably mounted in the first through hole 431 on the first sliding plate 43, and a top shaft 441 is horizontally mounted on the side of the first slider 44 facing the end of the motor rotor; a second screw 45 is vertically arranged in the first through hole 431, and its lower end is connected to the rotating shaft of the first slider 44, and its upper end is screwed to the top of the first through hole 431 and passes through to fix the second handwheel 451.

[0053] Rotating the second handwheel 451 drives the second screw 45 to rotate. The rotation of the second screw 45 drives the first slider 44 to move up and down until the top shaft 441 is coaxial with the end of the motor rotor. Rotating the first handwheel 421 drives the first screw 42 to rotate. The first screw 42 drives the first sliding plate 43 to move along the axial direction of the first screw 42 until the free end of the top shaft 441 abuts the end of the motor rotor. Since the top shaft 441 can rotate with the end of the motor rotor, it will not interfere with the rotation of the motor rotor and can effectively prevent the axial displacement of the motor rotor caused by centrifugal force during high-speed rotation.

[0054] As one embodiment, in conjunction with the appendix to the specification Figure 4 It is understood that the moving component 50 includes a first rotating shaft 51, which rotates under the drive of a first motor 52. Two threaded sections with opposite directions on the first rotating shaft 51 are respectively screwed to two moving plates 21. The first motor 52 drives the first rotating shaft 51 to rotate, and the first rotating shaft 51 causes the two moving plates 21 to move closer to or further away from each other.

[0055] Specifically, the first motor 52 is a forward and reverse rotating motor.

[0056] As one embodiment, in conjunction with the appendix to the specification Figure 4 It is known that the lifting assembly 60 includes a second hydraulic cylinder 61, which is fixed on the base plate 10; a first arc plate 62 is fixed on the end of the piston rod of the second hydraulic cylinder 61, and a plurality of fourth rollers 63 are provided on the inner wall of the first arc plate 62.

[0057] The second hydraulic cylinder 61 drives the first arc plate 62 to rise or fall, and the fourth roller 63 ensures that the motor rotor is not interfered with when it rotates.

[0058] Specifically, the first arc-shaped plate 62 can be replaced according to the diameter of the motor rotor.

[0059] As one embodiment, in conjunction with the appendix to the specification Figure 5It is understood that the rotating assembly 70 includes a second rotating shaft 71, which is vertically disposed on one side of the lifting assembly 60 and rotates under the drive of the rotating assembly; a fixed plate 73 is horizontally disposed on the upper end of the second rotating shaft 71; a third hydraulic cylinder 74 is fixedly disposed on the free end of the fixed plate 73; a second arc-shaped plate 75 is disposed below the fixed plate 73, and its upper end is fixedly connected to the piston rod end of the third hydraulic cylinder 74. Two first pulleys 76 are rotatably disposed on the lower end of one side of the second arc-shaped plate 75, one of which rotates under the drive of a second motor (not shown in the figure). A tensioning wheel 77 is rotatably disposed on the second arc-shaped plate 75 above the two first pulleys 76. The two first pulleys 76 and the tensioning wheel 77 are connected by a belt 78, and the lower surface of the belt 78 is in contact with the motor rotor. The rotating assembly includes a third motor 72, and a first gear 721 fixed on its power output end meshes with a second gear 711 fixed on the second rotating shaft 71.

[0060] The third motor 72 is started to drive the first gear 721 to rotate. The first gear 721 drives the second rotating shaft 71 to rotate through the second gear 711. The fixed plate 73 is adjusted to the working angle. The piston rod of the third hydraulic cylinder 74 retracts, driving the second arc plate 75 to rise to the initial high position to avoid interfering with the placement of the motor rotor. After the motor rotor is positioned, the third hydraulic cylinder 74 extends the piston rod to drive the second arc plate 75 to descend vertically until the lower surface of the belt 78 lightly presses against the upper surface of the motor rotor. The tension wheel 77 can ensure that the belt 78 and the surface of the motor rotor form sufficient friction. The second motor drives one of the first pulleys 76 to rotate, which drives the other pulley and the tension wheel 77 to rotate through the belt 78. The belt 78 also drives the motor rotor to rotate synchronously.

[0061] Specifically, the third motor 72 is a forward and reverse rotating motor.

[0062] Specifically, the hydraulic cylinder and screw in this application are designed with self-locking, and self-locking is existing technology, so it will not be described in detail.

[0063] It should be noted that in this patent application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0064] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model, and should all be included within the protection scope of this utility model.

Claims

1. A dynamic balancing machine for motor manufacturing, characterized in that, include: The base plate has two symmetrically arranged support components, which move closer to or further apart from each other under the drive of the moving component. A lifting assembly, disposed between the two support assemblies, is used to lift the motor rotor; A rotating assembly, located above the lifting assembly, is used to drive the motor rotor to rotate; The supporting components specifically include, A movable plate is slidably mounted on the base plate and connected to the movable component. The upper end of the movable plate is provided with a groove that communicates with the outside world, and the upper end of the movable plate is provided with an openable and closable pressure cover. A clamping assembly is provided in the groove for clamping the end of the motor rotor, and the motor rotor rotates continuously during clamping. An anti-displacement component is located on one side of the groove and contacts the end of the motor rotor to prevent the motor rotor from moving axially, while the motor rotor continues to rotate.

2. The dynamic balancing machine for motor production according to claim 1, characterized in that, The clamping assembly includes: The first clamping plate is slidably mounted on the support plate in the groove and is raised and lowered under the drive of the first hydraulic cylinder. The upper end of the first clamping plate is provided with a first roller. Two second clamping plates are symmetrically arranged on both sides of the first clamping plate. Each second clamping plate is obtuse-angled. The upper ends of the two second clamping plates are respectively provided with two second rollers. The middle part of the second clamping plate is hinged to the support plate. The lower end of the second clamping plate is provided with a third roller, which is in rolling connection with the corresponding inclined plate on the first clamping plate. A spring is provided between the upper end of the second clamping plate and the inner wall of the corresponding groove. The first end of the spring is connected to the inner wall of the groove, and the second end of the spring is connected to the upper end of the second clamping plate.

3. A dynamic balancing machine for motor production according to claim 2, characterized in that, The anti-displacement component includes: The first horizontal plate is positioned horizontally on the outside of the movable plate; A first screw is mounted on the first horizontal plate and parallel to the motor rotor. A first handwheel is provided at the end of the first screw. A first sliding plate is disposed on the first horizontal plate and screwed to the first screw; The first slider is slidably disposed in the first through hole of the first sliding plate, and the first slider is horizontally rotated with a top shaft on the side facing the end of the motor rotor; The second screw is vertically installed in the first through hole. Its lower end is connected to the first slider shaft, and its upper end is screwed to the top of the first through hole and then fixed with the second handwheel.

4. A dynamic balancing machine for motor production according to claim 3, characterized in that, The pressure cap is provided with a third screw, and a pressure rod is rotated at the lower end of the third screw. A rotating wheel is provided at the lower end of the pressure rod. The lower end of the third screw is screwed to and passes through the pressure cap. The pressure rod is parallel to the first clamping plate. A fixing sleeve coaxial with the third screw is provided on the lower surface of the pressure cap. The guide groove on the inner wall of the fixing sleeve is slidably connected to a guide key fixed along the axial direction of the pressure rod.

5. A dynamic balancing machine for motor production according to claim 1, characterized in that, The moving component includes a first rotating shaft that rotates under the drive of a first motor, and two threaded sections on the first rotating shaft with opposite directions of rotation are respectively screwed to two moving plates.

6. A dynamic balancing machine for motor production according to claim 1, characterized in that, The lifting component includes: The second hydraulic cylinder is fixedly mounted on the base plate; A first arc-shaped plate is fixed to the end of the piston rod of the second hydraulic cylinder, and a plurality of fourth rollers are provided on the inner wall of the first arc-shaped plate.

7. A dynamic balancing machine for motor production according to claim 1, characterized in that, The rotating assembly includes: The second rotating shaft is vertically disposed on one side of the lifting assembly and rotates under the drive of the rotating assembly; A fixed plate is horizontally positioned at the upper end of the second rotating shaft; The third hydraulic cylinder is fixed to the free end of the fixed plate; The second arc-shaped plate is located below the fixed plate, and its upper end is fixedly connected to the end of the piston rod of the third hydraulic cylinder. Two first pulleys are rotated on the lower end of one side of the second arc-shaped plate. One of the first pulleys rotates under the drive of the second motor. A tensioning wheel is rotated on the second arc-shaped plate above the two first pulleys. The two first pulleys and the tensioning wheel are connected by a belt. The lower surface of the belt is in contact with the motor rotor.

8. A dynamic balancing machine for motor production according to claim 7, characterized in that, The rotating assembly includes a third motor, on which a first gear fixedly mounted on the power output end meshes with a second gear fixedly mounted on the second rotating shaft.

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