Press fitting device for motor shaft, shaft sleeve and machine shell

Abstract

The utility model relates to a press fitting device for a motor shaft, a shaft sleeve and a casing, which comprises a frame and a turntable movably connected above the frame. The rotating disc is arranged on the machine frame, the sleeve grabbing mechanism is arranged on the outer side of the rotating disc in a surrounding mode and used for grabbing a shaft sleeve, the shaft pressing mechanism is used for pressing a shaft sleeve and a motor shaft, the shell grabbing mechanism is used for grabbing a machine shell, the shell pressing mechanism is used for pressing the machine shell, and the extracting mechanism is used for taking out a workpiece. The upper surface of the rotary disc is connected with a molding table used for containing workpieces, a first material frame used for containing shaft sleeves is arranged on the side of the sleeve grabbing mechanism, a second material frame used for containing motor shafts is arranged on the side of the shaft pressing mechanism, and a third material frame used for containing machine shells is arranged on the side of the shell grabbing mechanism. The press-fitting device can automatically press and fix the motor shaft, the shaft sleeve and the casing in the brushless motor, so that the production efficiency of the brushless motor is effectively improved, and the press-fitting production precision and quality of the brushless motor are ensured.

Description

Technical Field

[0001] The utility model relates to a brushless motor installation device, in particular to a press-fitting device for a motor shaft, a shaft sleeve and a housing. Background Art

[0002] The brushless motor is mainly composed of a motor body and a driver. During the production process of the brushless motor, the motor shaft and the housing generally need to be press-fitted and fixed through a sleeve. However, in the conventional installation process, a single press-fitting mold is usually used to manually press-fit the motor shaft and the sleeve, and then the material is moved and transported to the next process to manually press-fit the sleeve and the housing. This manual press-fitting method by the producer not only requires the workpiece to be transferred and transported, increasing production costs, but also is prone to press-fitting deviations during the disassembly and assembly process, resulting in poor production quality accuracy and low production efficiency. Utility Model Content

[0003] The utility model mainly solves the technical problems existing in the prior art, thereby providing a press-fitting device for the motor shaft, the shaft sleeve and the housing which can automatically press-fit and fix the motor shaft, the shaft sleeve and the housing, effectively improve the processing accuracy and production efficiency, and ensure the subsequent production quality.

[0004] The utility model discloses a pressing device for a motor shaft, a shaft sleeve and a casing, comprising a frame, a turntable movably connected to the top of the frame, a sleeve grabbing mechanism for grabbing the shaft sleeve, a shaft pressing mechanism for pressing the shaft sleeve and the motor shaft, a shell grabbing mechanism for grabbing the casing, a shell pressing mechanism for pressing the casing and an extracting mechanism for taking out a workpiece, the center of the frame is connected with a motor for driving the turntable to rotate, the upper surface of the turntable is connected with a molding table, the shaft pressing mechanism comprises a first vertical frame connected to the top of the frame, a first pressing cylinder is connected to the top of the first vertical frame, a first pressing table is connected to the piston rod of the first pressing cylinder, a guide column for placing the motor shaft is arranged directly below the first pressing table, the guide column is located below the turntable, and a top cylinder for driving the guide column to rise and fall is connected below the frame, a rotating cylinder connected to the frame is also arranged below the turntable, and a pneumatic clamp for clamping the motor shaft is connected to the piston rod of the rotating cylinder.

[0005] Preferably, a second material rack for placing the motor shaft is arranged on the side of the first vertical frame, and a third push cylinder for pushing the motor shaft is connected to the side of the second material rack. The guide column is located directly below the first press table, and an axial hole for placing the motor shaft is arranged in the center of the guide column, so that the motor shaft can be stored through the second material rack, and the motor shaft is transported to the press mechanism through the third push cylinder, and the motor shaft is transported to the axial hole in the center of the guide column by the pneumatic clamp to be pressed, and the sleeve and the motor shaft in the mold are pressed and fixed by the cooperation of the guide column and the first press table.

[0006] Preferably, the sleeve grabbing mechanism is located in front of the shaft pressing mechanism, the shaft pressing mechanism is located in front of the shell pressing mechanism, the shell pressing mechanism is located between the shell grabbing mechanism and the extraction mechanism, the sleeve grabbing mechanism has the same structure as the shell grabbing mechanism, the shaft sleeve is grabbed by the sleeve grabbing mechanism, the casing is grabbed by the shell grabbing mechanism, and the extraction mechanism takes the pressed workpiece out of the mold table of the turntable.

[0007] Preferably, the sleeve grabbing mechanism is provided with a first horizontal frame connected to the frame, a first pulling cylinder is movably connected to the center of the first horizontal frame, a first pushing cylinder for driving the first pulling cylinder to move is connected to the side of the first horizontal frame, and a first claw cylinder for grabbing the sleeve or the casing is connected below the first pulling cylinder, so that the first push cylinder drives the first pulling cylinder to slide in the center of the first horizontal frame, so that the first claw cylinder below the first pulling cylinder can accurately grab the sleeve.

[0008] Preferably, a first vertical rod is connected between the first cross frame and the frame, a first slider is movably connected to the center of the first cross frame, the first pull cylinder is connected to the center of the first slider, one end of the first push cylinder is connected to the first cross frame, the piston rod of the first push cylinder is connected to the first slider, and the first clamp is connected to the piston rod of the first claw cylinder. The first vertical rod is arranged to facilitate the installation and fixation of the first cross frame above the frame, and the first slider is slidably connected to the first cross frame so that the first push cylinder drives the first slider to slide stably in the middle of the first cross frame, and drives the first clamp to grab the sleeve through the first claw cylinder.

[0009] Preferably, the shell pressing mechanism includes a second vertical frame connected to the frame, a second pressing cylinder is connected above the second vertical frame, a second pressing platform is connected to the piston rod of the second pressing cylinder, and a support platform connected to the frame is arranged below the turntable, and the support platform is located directly below the second pressing platform, so that the second pressing cylinder is connected to the top of the frame through the second vertical frame, and the second pressing platform is driven by the second pressing cylinder to press the shell against the outside of the sleeve in the molding table. The setting of the support platform ensures the stability of the turntable when it is pressed by the second pressing platform, eliminates the skewing of the turntable caused by the downward pressure, and avoids damage to the turntable and the motor.

[0010] Preferably, the extraction mechanism includes a second vertical rod connected to the frame, and a second horizontal frame connected above the second vertical rod, the second horizontal frame is movably connected to a second slider in the center, the second horizontal frame is connected to a second push cylinder for driving the second slider to slide on the side, the front surface of the second slider is connected to a second pull cylinder, and the piston rod below the second pull cylinder is connected to a second claw cylinder, so that the second horizontal frame is connected to the top of the frame through the second vertical rod, and the second push cylinder drives the second pull cylinder to slide inside the second horizontal frame through the second slider, so that the second claw cylinder below the second pull cylinder can take the workpiece out of the molding table.

[0011] Preferably, two second pulling cylinders are provided and are respectively located on both sides of the second sliding block, and a second claw cylinder is connected to the lower part of the second pulling cylinder piston rod, and a second clamp is connected to the piston rod of the second claw cylinder. An inspection column connected to the frame is provided on the outer side of the turntable and directly below the second clamp, so that the second claw cylinder drives the second clamp to grab the workpiece on the inspection column and transport it to the next process. At the same time, the workpiece pressed on the turntable is grabbed by the second clamp driven by the second claw cylinder and placed in the inspection column for preliminary storage and inspection.

[0012] Preferably, a first material rack for placing the sleeve is provided on the side of the sleeve grabbing mechanism, and a third material rack for placing the casing is provided on the side of the shell grabbing mechanism, 5 or more molding tables corresponding to the sleeve grabbing mechanism, the shaft pressing mechanism, the shell grabbing mechanism, the shell pressing mechanism and the extraction mechanism are connected above the turntable, and a reducer connected to the motor transmission is connected below the turntable, the sleeve is temporarily stored through the first material rack, and the casing is temporarily stored through the third material rack, the first material rack and the third material rack are vibration plates, and each sleeve grabbing mechanism, the shaft pressing mechanism, the shell grabbing mechanism, the shell pressing mechanism and the extraction mechanism has a corresponding molding table on the turntable, so as to automatically press the motor shaft, the sleeve and the casing.

[0013] The beneficial effects of the utility model are as follows: since the outer side of the turntable is respectively provided with a sleeve grabbing mechanism for grabbing the shaft sleeve, a shaft pressing mechanism for pressing the shaft sleeve and the shaft, a shell grabbing mechanism for grabbing the casing, a shell pressing mechanism for pressing the casing and an extraction mechanism for taking out the workpiece, the surface of the turntable is respectively provided with mold tables corresponding to the sleeve grabbing mechanism, the shaft pressing mechanism, the shell grabbing mechanism, the shell pressing mechanism and the extraction mechanism, so that the sleeve can be grabbed and placed on the mold table through the sleeve grabbing mechanism, and the motor shaft is placed into the guide column through the shaft pressing mechanism, the motor shaft is pressed into the shaft sleeve through the cooperation of the top cylinder and the first pressing table under the first pressing cylinder, and then the casing is grabbed and placed on the mold table through the shell grabbing mechanism. On the outside of the molding table, the casing and the sleeve are pressed and fixed by a shell pressing machine, and the extraction mechanism takes the workpiece that has been pressed off the molding table, thereby effectively improving the pressing processing efficiency of the motor shaft, sleeve and casing, and changing the complexity of multiple disassembly and assembly of the workpiece required for manual step-by-step pressing of the conventional motor shaft, sleeve and casing by the producer, effectively improving the automatic production efficiency and production convenience of the press-fitting and fixing of the motor shaft, sleeve and casing, and avoiding the problems of bending and deformation of the motor shaft caused by manual disassembly and pressing, effectively ensuring the firmness and accuracy of the motor shaft, sleeve and casing after being pressed and fixed, and ensuring the quality of the brushless motor after production. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 This is a schematic diagram of the overall structure of a press-fit device for a motor shaft, a shaft sleeve and a housing according to the utility model;

[0016] Figure 2 This is a structural schematic diagram of a turntable and an extraction mechanism in a press-fitting device for a motor shaft, a shaft sleeve and a housing according to the utility model;

[0017] Figure 3 It is a structural schematic diagram of a sleeve grabbing mechanism in a press-fitting device for a motor shaft, a sleeve and a housing according to the utility model;

[0018] Figure 4 It is a structural schematic diagram of a shaft pressing mechanism in a press-fitting device for a motor shaft, a shaft sleeve and a housing according to the utility model;

[0019] Figure 5 The utility model is a structural schematic diagram of a shell pressing mechanism in a press-fitting device for a motor shaft, a shaft sleeve and a housing. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0021] like Figures 1 to 5The press-fitting device for a motor shaft, a sleeve and a housing shown in the figure comprises a frame 1, a turntable 2 movably connected to the top of the frame 1, and a sleeve grabbing mechanism 3 for grabbing the sleeve, a shaft pressing mechanism 4 for pressing the sleeve and the motor shaft, a shell grabbing mechanism 5 for grabbing the housing, a shell pressing mechanism 6 for pressing the housing, and an extraction mechanism 7 for taking out the workpiece. The center of the frame 1 is connected to a motor 21 for driving the turntable 2 to rotate, and the upper surface of the turntable 2 is connected to a molding table 22. The shaft pressing mechanism 4 includes a motor 21 connected to the frame 1, a motor 21 for driving the turntable 2 to rotate, and a molding table 22 is connected to the upper surface of the turntable 2. The shaft pressing mechanism 4 includes a motor 21 connected to the frame 1, a motor 21 for driving the turntable 2 to rotate, and a motor 21 for driving the turntable 2 to rotate. The motor 21 for driving the turntable 2 to rotate is connected to the upper surface of the turntable 2 ... 1, a first vertical frame 46 is connected to the top of the first vertical frame 46, a first pressing cylinder 41 is connected to the piston rod of the first pressing cylinder 41, a guide column 45 for placing the motor shaft is arranged directly below the first pressing table 411, the guide column 45 is located below the turntable 2, and a top cylinder 44 for driving the guide column 45 to rise and fall is connected below the frame 1, a rotating cylinder 42 connected to the frame 1 is also arranged below the turntable 2, and a pneumatic clamp 43 for clamping the motor shaft is connected to the piston rod of the rotating cylinder 42.

[0022] A second material rack 12 for placing the motor shaft is arranged on the side of the first vertical frame 46, and a third push cylinder 121 for pushing the motor shaft is connected to the side of the second material rack 12. The guide column 45 is located directly below the first press table 411, and a shaft hole 451 for placing the motor shaft is arranged in the center of the guide column 45, so that the motor shaft can be stored through the second material rack 12, and the motor shaft is transported to the press mechanism 4 through the third push cylinder 121, and the motor shaft is transported to the shaft hole 451 in the center of the guide column 45 through the pneumatic clamp 43 to be pressed, and the sleeve and the motor shaft in the mold table 22 are pressed and fixed by the cooperation of the guide column 45 and the first press table 411.

[0023] The sleeve grabbing mechanism 3 is located in front of the shaft pressing mechanism 4, the shaft pressing mechanism 4 is located in front of the shell pressing mechanism 5, and the shell pressing mechanism 6 is located between the shell grabbing mechanism 5 and the extraction mechanism 7. The sleeve grabbing mechanism 3 has the same structure as the shell grabbing mechanism 5. The sleeve is grabbed by the sleeve grabbing mechanism 3, the casing is grabbed by the shell grabbing mechanism 5, and the extraction mechanism 7 takes the pressed workpiece out of the molding table 22 of the turntable 2.

[0024] The sleeve grabbing mechanism 3 is provided with a first cross frame 32 connected to the frame 1, and a first pulling cylinder 34 is movably connected to the center of the first cross frame 32, and a first pushing cylinder 33 for driving the first pulling cylinder 34 to move is connected to the side of the first cross frame 32, and a first claw cylinder 35 for grabbing the sleeve or the casing is connected below the first pulling cylinder 34, so that the first pushing cylinder 33 drives the first pulling cylinder 34 to slide in the center of the first cross frame 32, so that the first claw cylinder 35 below the first pulling cylinder 34 can accurately grab the sleeve.

[0025] A first vertical rod 31 is connected between the first cross frame 32 and the frame 1, and a first slider 321 is movably connected to the center of the first cross frame 32. The first pulling cylinder 34 is connected to the center of the first slider 321. One end of the first pushing cylinder 33 is connected to the first cross frame 32. The piston rod of the first pushing cylinder 33 is connected to the first slider 321. The first clamp 36 is connected to the piston rod of the first claw cylinder 35. The first vertical rod 31 is arranged to facilitate the installation and fixing of the first cross frame 32 above the frame 1, and the first slider 321 is slidably connected to the first cross frame 32, so that the first pushing cylinder 33 drives the first slider 321 to slide stably in the middle of the first cross frame 32, and drives the first clamp 36 to grab the sleeve through the first claw cylinder 35.

[0026] The shell pressing mechanism 6 includes a second vertical frame 64 connected to the frame 1, a second pressing cylinder 61 is connected above the second vertical frame 64, a second pressing platform 62 is connected to the piston rod of the second pressing cylinder 61, and a support platform 63 connected to the frame 1 is arranged below the turntable 2, and the support platform 63 is located directly below the second pressing platform 62, so that the second pressing cylinder 61 is connected to the top of the frame 1 through the second vertical frame 64, and the second pressing platform 62 is driven by the second pressing cylinder 61 to press the shell against the outside of the sleeve in the molding table 22. The setting of the support platform 63 ensures the stability of the turntable 2 when it is pressed by the second pressing platform 62, eliminates the skewness of the turntable 2 caused by the downward pressure, and avoids damage to the turntable 2 and the motor 21.

[0027] The extraction mechanism 7 includes a second vertical rod 71 connected to the frame 1, and a second horizontal frame 72 connected above the second vertical rod 71, the second horizontal frame 72 is movably connected to the center of the second slider 721, the side of the second horizontal frame 72 is connected to a second push cylinder 73 for driving the second slider 721 to slide, the front surface of the second slider 721 is connected to a second pull cylinder 74, and the piston rod below the second pull cylinder 74 is connected to a second claw cylinder 75, so that the second horizontal frame 72 is connected to the top of the frame 1 through the second vertical rod 71, and the second push cylinder 73 drives the second pull cylinder 74 to slide inside the second horizontal frame 72 through the second slider 721, so that the second claw cylinder 75 below the second pull cylinder 74 can take the workpiece out of the molding table 22.

[0028] The second pull cylinder 74 is provided with two and is respectively located on both sides of the second slider 721, and the second pull cylinder 74 is connected to the lower part of the piston rod with a second claw cylinder 75, and the piston rod of the second claw cylinder 75 is connected to the second clamping claw 76, and the outer side of the turntable 2 is provided with a detection column 14 connected to the frame 1 just below the second clamping claw 76, so that the second claw cylinder 75 can drive the second clamping claw 76 to grab the workpiece on the detection column 14 and transport it to the next process, and at the same time, the workpiece pressed on the turntable 2 is grabbed by the second claw cylinder 75 driving the second clamping claw 76 and placed in the detection column 14 for preliminary storage and inspection.

[0029] A first material rack 11 for placing the sleeve is arranged on the side of the sleeve grabbing mechanism 3, and a third material rack 13 for placing the casing is arranged on the side of the shell grabbing mechanism 5. Five or more molding tables 22 corresponding to the sleeve grabbing mechanism 3, the shaft pressing mechanism 4, the shell grabbing mechanism 5, the shell pressing mechanism 6, and the extraction mechanism 7 are connected above the turntable 2, and a reducer 211 connected to the motor 21 is connected below the turntable 2. The sleeve is temporarily stored through the first material rack 11, and the casing is temporarily stored through the third material rack 13. The first material rack 11 and the third material rack 13 are vibration disks, and each sleeve grabbing mechanism 3, the shaft pressing mechanism 4, the shell grabbing mechanism 5, the shell pressing mechanism 6, and the extraction mechanism 7 has a corresponding molding table 22 on the turntable 2, so as to automatically press the motor shaft, the sleeve and the casing.

[0030] The press-fitting device for the motor shaft, sleeve and housing can automatically press and fix the motor shaft, sleeve and housing. The sleeve is stored through the first material rack 11, the motor shaft is stored through the second material rack 12, and the housing is stored through the third material rack 13. At the same time, the motor drives the turntable 2 to rotate by adjusting the speed and torque of the reducer, so that the molding table 22 on the turntable 2 can be moved to the bottom of each mechanism; the first claw cylinder 35 in the grabbing mechanism 3 drives the first clamping claw 36 to grab the sleeve. The first pull cylinder 34 drives the first claw cylinder 35 to rise and fall, and the first push cylinder 33 drives the first pull cylinder 34 to slide, so that the sleeve grasped by the first clamp 36 is placed on the molding table 22 on the upper surface of the turntable 2; when the molding table 22 moves to the bottom of the pressing mechanism 4 through the turntable 2, the first pressing cylinder 41 limits and fixes the sleeve through the first pressing table 411, and the third push cylinder 121 pushes the motor shaft in the second material rack 12 to the pneumatic clamp 43 for grasping, and drives the pneumatic clamp 43 to move the motor shaft by rotating the cylinder 42. The motor shaft is inserted into the shaft hole 451 in the center of the guide column 45, and the top cylinder 44 drives the guide column 45 to embed the motor shaft into the shaft sleeve in the center of the molding table 22, so as to complete the press-fitting of the motor shaft and the shaft sleeve; and the casing in the third material rack 13 is placed on the outside of the molding table 2 through the shell grabbing mechanism 5 with the same structure as the sleeve grabbing mechanism 3, so that the press-fitted motor shaft and the shaft sleeve are located in the center of the casing; and then the rotation of the turntable 2 makes the molding table 22 located under the shell pressing mechanism 6, and the second pressing cylinder 61 in the shell pressing mechanism 6 drives the second pressing table 62 to press the casing, so as to It is convenient for the sleeve to be embedded into the center of the casing, and the motor shaft is pressed and fixed to the center of the sleeve, and the sleeve is pressed and fixed to the center of the casing as a whole; finally, the second clamp 76 in the extraction mechanism 7 is used to grab the workpiece that has been inspected and processed on the inspection column 14 and put it on the subsequent work line, and the second pulling cylinder 74 on the other side of the surface of the second slider 721 drives the second claw cylinder 75 to move to the top of the mold table 22 where the workpiece has just been pressed, and the second clamp 76 is used to grab and transfer it to the empty inspection column 14 for inspection and storage.

[0031] Among them, the first push cylinder 33, the first pull cylinder 34, the first claw cylinder 35, the first pressure cylinder 41, the rotating cylinder 42, the pneumatic clamp 43, the top cylinder 44, the third push cylinder 121, the second push cylinder 73, the second pull cylinder 74, the second claw cylinder 75, and the second pressure cylinder 61 can all be cylinders or hydraulic cylinders.

[0032] The beneficial effects of the utility model are as follows: since the outer side of the turntable is respectively provided with a sleeve grabbing mechanism for grabbing the shaft sleeve, a shaft pressing mechanism for pressing the shaft sleeve and the shaft, a shell grabbing mechanism for grabbing the casing, a shell pressing mechanism for pressing the casing and an extraction mechanism for taking out the workpiece, the surface of the turntable is respectively provided with mold tables corresponding to the sleeve grabbing mechanism, the shaft pressing mechanism, the shell grabbing mechanism, the shell pressing mechanism and the extraction mechanism, so that the sleeve can be grabbed and placed on the mold table through the sleeve grabbing mechanism, and the motor shaft is placed into the guide column through the shaft pressing mechanism, the motor shaft is pressed into the shaft sleeve through the cooperation of the top cylinder and the first pressing table under the first pressing cylinder, and then the casing is grabbed and placed on the mold table through the shell grabbing mechanism. On the outside of the molding table, the casing and the sleeve are pressed and fixed by a shell pressing machine, and the extraction mechanism takes the workpiece that has been pressed off the molding table, thereby effectively improving the pressing processing efficiency of the motor shaft, sleeve and casing, and changing the complexity of multiple disassembly and assembly of the workpiece required for manual step-by-step pressing of the conventional motor shaft, sleeve and casing by the producer, effectively improving the automatic production efficiency and production convenience of the press-fitting and fixing of the motor shaft, sleeve and casing, and avoiding the problems of bending and deformation of the motor shaft caused by manual disassembly and pressing, effectively ensuring the firmness and accuracy of the motor shaft, sleeve and casing after being pressed and fixed, and ensuring the quality of the brushless motor after production.

[0033] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. A press-fitting device for a motor shaft, a sleeve and a housing, characterized in that: The invention comprises a frame, a turntable movably connected above the frame, and a sleeve grabbing mechanism for grabbing a sleeve, a shaft pressing mechanism for pressing the sleeve and the motor shaft, a shell grabbing mechanism for grabbing a casing, a shell pressing mechanism for pressing the casing and an extraction mechanism for taking out the workpiece, the center of the frame is connected with a motor for driving the turntable to rotate, the upper surface of the turntable is distributed and connected with a plurality of molding tables, the shaft pressing mechanism comprises a first vertical frame connected above the frame, a first pressing cylinder is connected above the first vertical frame, a first pressing table is connected to the piston rod of the first pressing cylinder, a guide column for placing the motor shaft is arranged directly below the first pressing table, the guide column is located below the turntable, and a top cylinder for driving the guide column to rise and fall is connected below the frame, a rotating cylinder connected to the frame is also arranged below the turntable, and a pneumatic clamp for clamping the motor shaft is connected to the piston rod of the rotating cylinder.

2. A press-fitting device for a motor shaft, a sleeve and a housing according to claim 1, characterized in that: A second material rack for placing the motor shaft is arranged on the side of the first vertical frame, and a third push cylinder for pushing the motor shaft is connected to the side of the second material rack. The guide column is located directly below the first press table, and an axial hole for placing the motor shaft is arranged in the center of the guide column.

3. A press-fitting device for a motor shaft, a sleeve and a housing according to claim 1, characterized in that: The gripping sleeve mechanism is located in front of the shaft pressing mechanism, the shaft pressing mechanism is located in front of the shell pressing mechanism, the shell pressing mechanism is located between the shell gripping mechanism and the extracting mechanism, and the gripping sleeve mechanism has the same structure as the shell gripping mechanism.

4. A press-fitting device for a motor shaft, a sleeve and a housing according to claim 3, characterized in that: The sleeve grabbing mechanism is provided with a first horizontal frame connected to the frame, a first pulling cylinder is movably connected to the center of the first horizontal frame, a first pushing cylinder for driving the first pulling cylinder to move is connected to the side of the first horizontal frame, and a first claw cylinder for grabbing the shaft sleeve or the casing is connected below the first pulling cylinder.

5. A press-fitting device for a motor shaft, a sleeve and a housing according to claim 4, characterized in that: A first vertical rod is connected between the first cross frame and the frame, a first slider is movably connected to the center of the first cross frame, the first pull cylinder is connected to the center of the first slider, one end of the first push cylinder is connected to the first cross frame, the piston rod of the first push cylinder is connected to the first slider, and the first clamp is connected to the piston rod of the first claw cylinder.

6. A press-fitting device for a motor shaft, a sleeve and a housing according to claim 3, characterized in that: The shell pressing mechanism includes a second vertical frame connected to the frame, a second pressing cylinder is connected above the second vertical frame, a second pressing platform is connected to the piston rod of the second pressing cylinder, and a support platform connected to the frame is arranged below the turntable, and the support platform is located directly below the second pressing platform.

7. A press-fitting device for a motor shaft, a sleeve and a housing according to claim 3, characterized in that: The extraction mechanism includes a second vertical pole connected to the frame, and a second horizontal frame connected above the second vertical pole, a second slider is movably connected to the center of the second horizontal frame, a second push cylinder for driving the second slider to slide is connected to the side of the second horizontal frame, a second pull cylinder is connected to the front surface of the second slider, and a second claw cylinder is connected to the piston rod below the second pull cylinder.

8. A press-fitting device for a motor shaft, a sleeve and a housing according to claim 7, characterized in that: The second pull cylinders are provided with two and are respectively located on both sides of the second slider, and the second pull cylinder piston rods are connected with the second claw cylinders below, the piston rods of the second claw cylinders are connected with the second clamping claws, and the outer side of the turntable is provided with a detection column connected to the frame just below the second clamping claws.

9. A press-fitting device for a motor shaft, a sleeve and a housing according to any one of claims 1 to 8, characterized in that: A first material rack for placing the sleeve is arranged on the side of the sleeve grabbing mechanism, a third material rack for placing the casing is arranged on the side of the shell grabbing mechanism, 5 or more molding tables corresponding to the sleeve grabbing mechanism, the shaft pressing mechanism, the shell grabbing mechanism, the shell pressing mechanism and the extraction mechanism are connected above the turntable, and a reducer connected to the motor transmission is connected below the turntable.

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