A traction machine stator-rotor press-fitting device

Abstract

The utility model discloses a kind of traction machine stator-rotor press mounting equipment, including bottom plate and support frame, the top end of the bottom plate is installed with support frame, support plate is installed on the outer wall of the support frame, the top end of the bottom plate below support plate is symmetrically installed with connecting frame, and the top end of one group connecting frame is installed with step motor, the outside of the bottom plate above connecting frame is symmetrically provided with fixed plate, the top end of the fixed plate is all installed with power machine, the output end of the power machine is all installed with lifting screw rod, and lifting screw rod extends to the outside of fixed plate. The utility model not only realizes that traction machine rotor and stator are conveniently pressed by press mounting equipment, improve the convenience of traction machine rotor and stator press mounting, facilitate that press mounting equipment conveniently and stably clamps traction machine rotor and stator, and conveniently facilitate that press mounting equipment conveniently adapts different size traction machine rotor and stator, improve the adaptability of press mounting equipment.

Description

Technical Field

[0001] This utility model relates to the field of press-fitting equipment technology, specifically a press-fitting equipment for the stator and rotor of a traction machine. Background Technology

[0002] Gearless permanent magnet synchronous elevator traction machines mainly consist of a permanent magnet synchronous motor, a traction sheave, and a braking system. The permanent magnet synchronous motor uses high-performance permanent magnet materials and a special motor structure, featuring energy saving, environmental friendliness, low speed, and high torque. The traction sheave and brake sheave are coaxially fixedly connected and use double-point support; the braking system of the traction machine consists of a brake, brake wheel, brake arm, and brake shoes.

[0003] As disclosed in the authorization announcement number CN111446827B, a method for processing motor stator and rotor laminations includes the following steps: S1, a stator and rotor lamination blanking step, where stator and rotor laminations are blanked on a sheet metal; S2, a stator and rotor lamination separation step, where the stator and rotor laminations are separated in the stator and rotor laminations using positioning process holes as a reference; and S3, a rotor lamination processing step, where the rotor outer diameter, slot shape, shaft hole, and keyway are blanked using a motor stator and rotor lamination processing equipment, using the positioning process holes in the rotor laminations as a reference. The motor stator and rotor lamination processing equipment includes a worktable, a stamping drive mechanism, and a lamination positioning device. The worktable has a feeding conveyor belt and a discharging conveyor belt on both sides, and a discharging mechanism and a feeding mechanism are installed on the worktable.

[0004] Although it achieves simple and convenient operation and high lamination efficiency, the motor stator and rotor lamination processing equipment proposed in this invention features automated operation and effectively improves production efficiency.

[0005] However, this does not solve the problem that existing press-fitting equipment of this type is generally not conducive to the convenient press-fitting of traction machine rotors and stators, which affects the convenience of press-fitting traction machine rotors and stators, makes it difficult for press-fitting equipment to clamp traction machine rotors and stators conveniently and stably, and makes it difficult for press-fitting equipment to adapt to traction machine rotors and stators of different sizes, thus affecting the adaptability of press-fitting equipment. Utility Model Content

[0006] The purpose of this utility model is to provide a traction machine stator and rotor pressing device to solve the problems mentioned in the background art, such as the inconvenience of pressing the traction machine rotor and stator in a convenient way, the inconvenience of pressing the traction machine rotor and stator in a convenient and stable way, and the inconvenience of pressing the traction machine rotor and stator in a convenient way to adapt to different sizes of traction machine rotors and stators, thus affecting the adaptability of the pressing device.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a traction machine stator and rotor pressing device, comprising a base plate and a support frame. A support frame is mounted on the top of the base plate, and a support plate is mounted on the outer wall of the support frame. Connecting frames are symmetrically mounted on the top of the base plate below the support plate, and a stepper motor is mounted on the top of one set of connecting frames. Fixed plates are symmetrically arranged on the outside of the base plate above the connecting frames. A power motor is mounted on the top of each fixed plate, and a lifting threaded rod is mounted on the output end of each power motor. The lifting threaded rod extends to the outside of the fixed plate and is movably connected to the base plate. A lifting threaded sleeve is fitted onto the surface of each lifting threaded rod, and a limit rod is symmetrically slidably mounted inside each lifting threaded sleeve. The limiting rod extends to the outside of the lifting threaded sleeve, and one end of the limiting rod is connected to the fixed plate, while the other end of the limiting rod is connected to the base plate. Movable plates are installed on the outer wall of the lifting threaded sleeve, and a servo motor is installed at the top of one set of movable plates. A pressing cylinder is installed at the top of the support plate, and a connecting block is installed at the output end of the pressing cylinder. A pressing plate is installed at the bottom end of the connecting block, and a pressing rod is installed at the bottom end of the pressing plate. An electromagnetic chuck is installed at the bottom end of the pressing rod. Sliding rods are symmetrically slidably installed inside the support plate on one side of the pressing cylinder, and the sliding rods extend to the outside of the support plate and are connected to the pressing plate. Sliding sleeves are slidably fitted onto the surface of each sliding rod, and these sleeves are connected to the support plate.

[0008] Preferably, the output end of the servo motor is equipped with an upper bidirectional threaded rod, and the surface of the upper bidirectional threaded rod is symmetrically fitted with upper bidirectional threaded sleeves.

[0009] Preferably, an upper limit bracket is installed on the top of the movable plate on one side of the upper bidirectional threaded sleeve. An upper slider is slidably installed inside the upper limit bracket, and the upper slider extends to the outside of the upper limit bracket and is connected to the upper bidirectional threaded sleeve.

[0010] Preferably, an upper clamping frame is installed on the outer wall of the upper bidirectional threaded sleeve, and an upper clamping arm is installed on the outer wall of the upper clamping frame.

[0011] Preferably, the bottom end of each of the upper clamping arms is equipped with a support plate, the output end of the stepper motor is equipped with a lower bidirectional threaded rod, and the surface of the lower bidirectional threaded rod is symmetrically fitted with lower bidirectional threaded sleeves.

[0012] Preferably, a lower limit bracket is installed at the top of the connecting bracket on one side of the lower bidirectional threaded sleeve.

[0013] Preferably, a lower slider is slidably installed inside the lower limit frame, and the lower slider extends to the outside of the lower limit frame. The lower slider is connected to a lower bidirectional threaded sleeve, and a lower clamp is installed on the outer wall of the lower bidirectional threaded sleeve.

[0014] Preferably, a lower clamping arm is installed on the outer wall of the lower clamping frame, and a positioning seat is installed on the top of the base plate below the lower clamping arm.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the pressing equipment not only realizes the convenient pressing of the traction machine rotor and stator, improving the convenience of pressing the traction machine rotor and stator, and facilitating the convenient and stable clamping of the traction machine rotor and stator by the pressing equipment, but also facilitates the pressing equipment to adapt to traction machine rotors and stators of different sizes, thus improving the adaptability of the pressing equipment.

[0016] (1) Place the stator of the traction machine on the surface of the positioning seat. The stepper motor drives the lower clamping arm to clamp and fix the stator of the traction machine. Place the rotor of the traction machine between the upper clamping arms on both sides. The servo motor drives the upper clamping arms on both sides to clamp the rotor of the traction machine. The power motor drives the lifting threaded rod to rotate. The limit rod slides inside the lifting threaded sleeve to provide sliding support for the lifting threaded sleeve. The two sets of lifting threaded sleeves drive the moving plate, the upper limit frame, the servo motor, the upper bidirectional threaded sleeve, the upper clamping arm, the upper slider, and the clamped traction machine rotor to move to a suitable height. The pressing cylinder drives the pressing plate to move through the connecting block. The pressing plate drives the pressing rod to move. The electromagnetic chuck is moved to facilitate its placement on the surface of the traction machine rotor. The chuck is then opened to pick up and secure the rotor. The servo motor is then activated in the reverse direction, moving the upper clamping arm and support plate to a suitable position to prevent interference during rotor and stator pressing. The pressing cylinder moves the pressing rod, electromagnetic chuck, and traction machine rotor together, facilitating the pressing of the rotor and stator with the assistance of the positioning seat. This process enables convenient pressing of the traction machine rotor and stator, improving both the ease and efficiency of the pressing process.

[0017] (2) The stepper motor drives the lower bidirectional threaded rod to rotate, the lower bidirectional threaded rod drives the two sets of lower bidirectional threaded sleeves to move, the lower bidirectional threaded sleeves drive the lower clamping frame to move, and the lower clamping frame drives the two sets of lower clamping arms to move, so as to facilitate the two sets of lower clamping arms to conveniently clamp and support the stator of the traction machine. The servo motor drives the upper bidirectional threaded rod to rotate, the upper bidirectional threaded rod drives the two sets of upper bidirectional threaded sleeves to move, the two sets of upper bidirectional threaded sleeves drive the upper clamping frame to move, and the upper clamping frame drives the upper clamping arms and the support plate to move, so as to facilitate the two sets of upper clamping arms to conveniently clamp the rotor of the traction machine, and to facilitate the support and fixation of the rotor of the traction machine by the support plate. This realizes the convenient and stable clamping of the rotor and stator of the traction machine by the press-fitting equipment, which facilitates the press-fitting equipment to conveniently adapt to different sizes of traction machine rotors and stators, and improves the adaptability of the press-fitting equipment. Attached Figure Description

[0018] Figure 1This is a front view structural diagram of the present utility model; Figure 2 This is a three-dimensional structural diagram of the present invention; Figure 3 This is a three-dimensional structural diagram of the support plate of this utility model; Figure 4 This is a three-dimensional structural diagram of the movable plate of this utility model; Figure 5 This is a three-dimensional structural diagram of the lifting threaded rod of this utility model; Figure 6 This is a three-dimensional structural diagram of the base plate of this utility model.

[0019] In the diagram: 1. Base plate; 2. Support frame; 3. Support plate; 4. Connecting frame; 5. Fixing plate; 6. Limiting rod; 7. Lifting threaded sleeve; 8. Moving plate; 9. Pressing cylinder; 10. Connecting block; 11. Pressing plate; 12. Pressing rod; 13. Electromagnetic chuck; 14. Sliding rod; 15. Sliding sleeve; 16. Servo motor; 17. Upper bidirectional threaded rod; 18. Upper bidirectional threaded sleeve; 19. Upper limit frame; 20. Upper clamping frame; 21. Upper clamping arm; 22. Support plate; 23. Upper slider; 24. Stepper motor; 25. Lower bidirectional threaded sleeve; 26. Lower clamping frame; 27. Lower clamping arm; 28. Lower slider; 29. ​​Lower limit frame; 30. Lower bidirectional threaded rod; 31. Positioning seat; 32. Power motor; 33. Lifting threaded rod. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0023] Example 1 Please see Figure 1-6 This utility model provides an embodiment of a traction machine stator and rotor pressing device, comprising a base plate 1 and a support frame 2. The support frame 2 is installed on the top of the base plate 1, and a support plate 3 is installed on the outer wall of the support frame 2. Connecting frames 4 are symmetrically installed on the top of the base plate 1 below the support plate 3, and a stepper motor 24 is installed on the top of one set of connecting frames 4. Fixed plates 5 are symmetrically arranged on the outside of the base plate 1 above the connecting frames 4. A power motor 32 is installed on the top of each fixed plate 5. A lifting threaded rod 33 is installed on the output end of each power motor 32, and the lifting threaded rod 33 extends to the outside of the fixed plate 5 and is movably connected to the base plate 1. A lifting threaded sleeve 7 is fitted on the surface of each lifting threaded rod 33, and a limit rod 6 is symmetrically slidably installed inside each lifting threaded sleeve 7, and the limit rod 6 extends to the lifting threaded sleeve 33. The outer side of the lifting threaded sleeve 7 is connected to the fixed plate 5 at one end and the bottom plate 1 at the other end. The outer wall of the lifting threaded sleeve 7 is equipped with a moving plate 8. A servo motor 16 is installed at the top of one set of moving plates 8. A pressing cylinder 9 is installed at the top of the support plate 3. A connecting block 10 is installed at the output end of the pressing cylinder 9. A pressing plate 11 is installed at the bottom end of the connecting block 10. A pressing rod 12 is installed at the bottom end of the pressing plate 11. An electromagnetic chuck 13 is installed at the bottom end of the pressing rod 12. A sliding rod 14 is symmetrically slidably installed inside the support plate 3 on one side of the pressing cylinder 9. The sliding rod 14 extends to the outside of the support plate 3 and is connected to the pressing plate 11. A sliding sleeve 15 is slidably fitted on the surface of the sliding rod 14 and is connected to the support plate 3. The stator of the traction machine is placed on the surface of the positioning seat 31. The stepper motor 24 is turned on, and the stepper motor 24 drives the lower clamping arm 27 to clamp and fix the traction machine stator. The traction machine rotor is placed between the upper clamping arms 21 on both sides. The servo motor 16 is turned on, and the servo motor 16 drives the upper clamping arms 21 on both sides to clamp the traction machine rotor. The two sets of power motors 32 are turned on. Under the support of the fixing plate 5, the power motors 32 drive the lifting threaded rod 33 to rotate. Under the threaded connection between the lifting threaded rod 33 and the lifting threaded sleeve 7, the lifting threaded rod 33 drives the lifting threaded sleeve 7 to move. The limit rod 6 slides inside the lifting threaded sleeve 7 to provide sliding support for the lifting threaded sleeve 7. The two sets of lifting threaded sleeves 7 drive the moving plate 8, the upper limit bracket 19, the servo motor 16, the upper bidirectional threaded sleeve 18, the upper clamping arm 21, the upper slider 23, and the clamped traction machine rotor to move to a suitable height. The pressing cylinder 9 is turned on. Under the support of the support plate 3, the pressing cylinder 9 moves through the support plate 3 to the upper clamping arm 27 ... The connecting block 10 drives the pressing plate 11 to move. The sliding rod 14 slides inside the sliding sleeve 15 to provide sliding support for the pressing plate 11. The pressing plate 11 drives the pressing rod 12 to move. The pressing rod 12 drives the electromagnetic chuck 13 to move, so that the electromagnetic chuck 13 can move to the surface of the traction machine rotor. The electromagnetic chuck 13 is opened to pick up and fix the traction machine rotor. The servo motor 16 is opened in the reverse direction. The servo motor 16 drives the upper clamping arm 21 and the support plate 22 to move to a suitable position to avoid interference between the upper clamping arm 21 and the support plate 22 when pressing the traction machine rotor and stator. The pressing cylinder 9 is opened again. The pressing cylinder 9 drives the pressing rod 12, the electromagnetic chuck 13 and the traction machine rotor to move, so that the traction machine rotor and stator can be pressed together with the cooperation of the positioning seat 31. This realizes the convenient pressing of the traction machine rotor and stator by the pressing equipment, improves the convenience of pressing the traction machine rotor and stator, and improves the efficiency of pressing the traction machine rotor and stator. The output end of the servo motor 16 is equipped with an upper bidirectional threaded rod 17. Symmetrically fitted on the surface of the upper bidirectional threaded rod 17 are upper bidirectional threaded sleeves 18. Upper limit brackets 19 are installed on the top of the moving plate 8 on one side of each upper bidirectional threaded sleeve 18. Upper sliders 23 are slidably installed inside each upper limit bracket 19, extending to the outside of the upper limit bracket 19 and connected to the upper bidirectional threaded sleeve 18. Upper clamping brackets 20 are installed on the outer wall of each upper bidirectional threaded sleeve 18. Upper clamping arms 21 are installed on the outer wall of each upper clamping bracket 20. A support plate 22 is installed at the bottom end of each upper clamping arm 21. (Stepper...) The output end of the motor 24 is equipped with a lower bidirectional threaded rod 30. The surface of the lower bidirectional threaded rod 30 is symmetrically fitted with a lower bidirectional threaded sleeve 25. The top of the connecting bracket 4 on one side of the lower bidirectional threaded sleeve 25 is equipped with a lower limit bracket 29. The lower limit bracket 29 is slidably installed with a lower slider 28 inside. The lower slider 28 extends to the outside of the lower limit bracket 29 and is connected to the lower bidirectional threaded sleeve 25. The outer wall of the lower bidirectional threaded sleeve 25 is equipped with a lower clamping bracket 26. The outer wall of the lower clamping bracket 26 is equipped with a lower clamping arm 27. The top of the base plate 1 below the lower clamping arm 27 is equipped with a positioning seat 31. When the stator of the traction machine needs to be clamped, the stepper motor 24 is turned on. Supported by the connecting frame 4, the stepper motor 24 drives the lower bidirectional threaded rod 30 to rotate. With the threaded connection between the lower bidirectional threaded rod 30 and the lower bidirectional threaded sleeve 25, the lower bidirectional threaded rod 30 drives the two sets of lower bidirectional threaded sleeves 25 to move. The lower slider 28 slides inside the lower limit frame 29, providing sliding support for the lower bidirectional threaded sleeves 25. The lower bidirectional threaded sleeves 25 drive the lower clamping frame 26 to move. The lower clamping frame 26 drives the two sets of lower clamping arms 27 to move, so that the two sets of lower clamping arms 27 can easily clamp and support the stator of the traction machine. When the rotor of the traction machine needs to be clamped, the servo motor 16 is turned on. Supported by the moving plate 8, the servo motor 16 drives the rotor to rotate. The upper bidirectional threaded rod 17 rotates, and under the threaded connection between the upper bidirectional threaded rod 17 and the upper bidirectional threaded sleeve 18, the upper bidirectional threaded rod 17 drives the two sets of upper bidirectional threaded sleeves 18 to move. The upper slider 23 slides on the surface of the upper limit frame 19 to provide sliding support for the upper bidirectional threaded sleeves 18. The two sets of upper bidirectional threaded sleeves 18 drive the upper clamping frame 20 to move, and the upper clamping frame 20 drives the upper clamping arm 21 and the support plate 22 to move, so that the two sets of upper clamping arms 21 can easily clamp the traction machine rotor, and so that the support plate 22 can easily support and fix the traction machine rotor. This realizes the convenient and stable clamping of the traction machine rotor and stator by the press-fitting equipment, which facilitates the press-fitting equipment to adapt to traction machine rotors and stators of different sizes and improves the adaptability of the press-fitting equipment.

[0024] Work steps The stator of the traction machine is placed on the surface of the positioning seat 31. The stepper motor 24 drives the lower clamping arm 27 to clamp and fix the stator. The traction machine rotor is placed between the upper clamping arms 21 on both sides. The servo motor 16 drives the upper clamping arms 21 on both sides to clamp the rotor. The power motor 32 drives the lifting threaded rod 33 to rotate. The lifting threaded rod 33 drives the lifting threaded sleeve 7 to move. The two sets of lifting threaded sleeves 7 drive the moving plate 8, the upper limit frame 19, the servo motor 16, the upper bidirectional threaded sleeve 18, the upper clamping arm 21, the upper slider 23, and the clamped traction machine rotor to move to a suitable height. The pressing cylinder 9 drives the pressing plate 11 to move through the connecting block 10. The pressing plate 11 drives the pressing rod 12 to move. The pressing rod 12 drives the electromagnetic chuck 13 to move, so that the electromagnetic chuck 13 can move to the surface of the traction machine rotor. The electromagnetic chuck 13 is opened to pick up and fix the traction machine rotor. The servo motor 16 is opened in the reverse direction. The servo motor 16 drives the upper clamping arm 21 and the upper clamping arm 27 to clamp the rotor. The pallet 22 moves to the appropriate position, and the pressing cylinder 9 drives the pressing rod 12, the electromagnetic chuck 13, and the traction machine rotor to move, so as to facilitate the pressing of the traction machine rotor and stator together with the cooperation of the positioning seat 31. The stepper motor 24 drives the lower bidirectional threaded rod 30 to rotate, the lower bidirectional threaded rod 30 drives the two sets of lower bidirectional threaded sleeves 25 to move, the lower bidirectional threaded sleeves 25 drive the lower clamping frame 26 to move, and the lower clamping frame 26 drives the two sets of lower clamping arms 27 to move, so as to facilitate the movement of the two sets of lower clamping arms. 27. The servo motor 16 drives the upper bidirectional threaded rod 17 to rotate, which in turn drives the two sets of upper bidirectional threaded sleeves 18 to move. The two sets of upper bidirectional threaded sleeves 18 then drive the upper clamping frame 20 to move, which in turn drives the upper clamping arm 21 and the support plate 22 to move. This facilitates the two sets of upper clamping arms 21 to easily clamp the traction machine rotor, and the support plate 22 to easily support and fix the traction machine rotor, thus completing the use of the press-fitting equipment.

[0025] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A machine stator-rotor press equipment, characterized by: The system includes a base plate and a support frame. The support frame is mounted on the top of the base plate, and a support plate is mounted on the outer wall of the support frame. Connecting frames are symmetrically mounted on the top of the base plate below the support plate, and a stepper motor is mounted on the top of one set of connecting frames. Fixed plates are symmetrically arranged on the outer surface of the base plate above the connecting frames. A power motor is mounted on the top of each fixed plate. A lifting threaded rod is mounted on the output end of each power motor, extending to the outside of the fixed plate and movably connected to the base plate. A lifting threaded sleeve is fitted onto the surface of each lifting threaded rod, and a limit rod is symmetrically and slidably mounted inside each lifting threaded sleeve, extending to the outside of the lifting threaded sleeve. One end of the limiting rod is connected to the fixed plate, and the other end of the limiting rod is connected to the base plate. Movable plates are installed on the outer wall of each lifting threaded sleeve, and a servo motor is installed at the top of one set of movable plates. A pressing cylinder is installed at the top of the support plate. A connecting block is installed at the output end of the pressing cylinder. A pressing plate is installed at the bottom end of the connecting block. A pressing rod is installed at the bottom end of the pressing plate. An electromagnetic chuck is installed at the bottom end of the pressing rod. Sliding rods are symmetrically slidably installed inside the support plate on one side of the pressing cylinder, and the sliding rods extend to the outside of the support plate and are connected to the pressing plate. Sliding sleeves are slidably fitted onto the surface of each sliding rod, and the sliding sleeves are connected to the support plate.

2. The machine stator press equipment according to claim 1, characterized in that: The output end of the servo motor is equipped with an upper bidirectional threaded rod, and the surface of the upper bidirectional threaded rod is symmetrically fitted with upper bidirectional threaded sleeves.

3. The machine stator press fitting apparatus according to claim 2, characterized by: The upper limit frame is installed on the top of the movable plate on one side of the upper bidirectional threaded sleeve. The upper slider is slidably installed inside the upper limit frame and extends to the outside of the upper limit frame. The upper slider is connected to the upper bidirectional threaded sleeve.

4. The machine stator press fitting apparatus according to claim 2, characterized by: Each of the upper bidirectional threaded sleeves is equipped with an upper clamping frame on its outer wall, and each of the upper clamping frames is equipped with an upper clamping arm on its outer wall.

5. The machine stator press fitting apparatus according to claim 4, characterized by: The bottom end of each upper clamping arm is equipped with a support plate, and the output end of the stepper motor is equipped with a lower bidirectional threaded rod. The surface of the lower bidirectional threaded rod is symmetrically fitted with lower bidirectional threaded sleeves.

6. The machine stator press fitting apparatus according to claim 5, characterized by: The top of the connecting bracket on one side of the lower bidirectional threaded sleeve is equipped with a lower limit bracket.

7. The machine stator press fitting apparatus according to claim 6, characterized by: The lower limit frame has a sliding lower slider installed inside, and the lower slider extends to the outside of the lower limit frame. The lower slider is connected to the lower bidirectional threaded sleeve, and the lower clamping frame is installed on the outer wall of the lower bidirectional threaded sleeve.

8. The machine stator press fitting apparatus according to claim 7, characterized by: The lower clamping frame is equipped with a lower clamping arm on its outer wall, and a positioning seat is installed on the top of the base plate below the lower clamping arm.

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