Drilling device for motor stator machining

Abstract

The utility model provides a drilling device for machining a motor stator, which belongs to the technical field of servo motor stator machining and comprises a workbench and a stator body, a positioning mechanism is arranged in the center of the upper surface of the workbench and comprises a fixing frame arranged in the center of the bottom surface of the workbench, and a guide frame is arranged at the bottom of the fixing frame. A driving cavity is formed in the center in the fixing frame, guiding grooves are formed in the two sides in the guiding frame, a guiding block is arranged at the upper end of the connecting block and located in the driving cavity, hydraulic rods are arranged on the two sides of the bottom face of the workbench, connecting plates are arranged at the output ends of the hydraulic rods, and connecting columns are arranged in the centers of the upper surfaces of the connecting plates. The connecting column penetrates through the through groove of the guide frame, a driving block is arranged at the upper end of the connecting column, a supporting column is arranged at the upper end of the guide block, and a positioning plate is arranged at the upper end of the supporting column; according to the utility model, the positioning stability of the servo motor stator can be improved, the position deviation in the drilling process is prevented, and the drilling accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of servo motor stator processing, in particular to a drilling device for motor stator processing. Background Art

[0002] The servo motor stator is an important part of servo motors such as servo motors and starters. The stator is an important part of the motor. The stator consists of three parts: the stator core, the stator winding and the base. A drilling device is required when processing the servo motor stator;

[0003] The utility model with the authorization announcement number CN 212664944 U discloses a drilling device for motor stator processing, including a base and a control switch, a control switch is fixedly installed on the right side of the base, hydraulic cylinders are fixedly installed on the left and right ends of the upper part of the base, support frames are fixedly installed on the left and right ends of the middle part of the base, a mounting plate is nested above the two support frames, a servo motor mounting frame is fixedly installed below the middle part of the top plate, a servo servo motor is fixedly installed inside the servo motor mounting frame, a drill rod is rotatably connected below the servo servo motor, a blocking plate is fixedly installed below the servo motor mounting frame, a fixed table is movably connected to the middle part of the upper part of the base, a placement slot is provided in the internal opening of the fixed table, a nesting rod is fixedly installed in the middle of the placement slot, and a limit ring is nested outside the nesting rod. The utility model has a wider scope of application, can perform fixed processing on stators of various sizes, has higher flexibility, and iron filings will not splash during processing, further optimizing the working environment;

[0004] Although the device can position click stators of different sizes, the positioning stability using springs is poor, vibrations during the drilling process will cause positional offsets, poor drilling accuracy, and poor stability during the drilling process. Utility Model Content

[0005] In view of this, the utility model provides a drilling device for motor stator processing, which can improve the positioning stability of the servo motor stator, prevent position deviation during the drilling process, and improve the drilling accuracy.

[0006] In order to solve the above technical problems, the utility model provides a drilling device for motor stator processing, including a workbench and a stator body, a positioning mechanism is arranged at the center of the upper surface of the workbench, the positioning mechanism includes a fixed frame arranged at the center of the bottom surface of the workbench, a guide frame is arranged at the bottom of the fixed frame, a driving cavity is opened at the center of the fixed frame, guide grooves are opened on both sides of the guide frame, springs are arranged on both sides of the guide groove, a connecting block is arranged at one end of the two springs away from each other, a guide block is arranged at the upper end of the connecting block, and the guide block is located in the driving cavity, hydraulic rods are arranged on both sides of the bottom surface of the workbench, a connecting plate is arranged at the output end of the hydraulic rod, a connecting column is arranged at the center of the upper surface of the connecting plate, a through groove is opened in the center of the guide frame, and the through groove extends to the inside of the driving cavity, the connecting column is penetrated in the through groove of the guide frame, a driving block is arranged at the upper end of the connecting column, and the surface of the guide block and the side facing the driving block are arranged as an inclined surface A support column is provided at the upper end of the guide block, and a positioning plate is provided at the upper end of the support column. When the staff needs to fix the stator body, the iron core of the servo motor stator is embedded in the surfaces of the two positioning plates, and then the hydraulic rod is started. The output end of the hydraulic rod drives the connecting plate to rise, and the connecting plate drives the connecting column to rise, so that the connecting column drives the driving block to rise. When the driving block rises, it contacts the inclined surface of the guide block, so that the two guide blocks are driven away from each other, and the guide block drives the connecting block to move synchronously, so that the connecting block slides in the guide groove, and at the same time, the connecting block stretches the spring, and when the guide block moves, it drives the support column to move synchronously, so that the support column drives the positioning plate to move synchronously, so that the two positioning plates are away from each other, so that the surfaces of the two positioning plates are close to the iron core of the stator body, so that the positioning body can be fixed, the positioning stability of the servo motor stator is improved, the position offset during the drilling process is prevented, and the drilling accuracy is improved.

[0007] The cross section of the positioning plate is arc-shaped, which further improves the positioning stability of the stator body.

[0008] The surface of the positioning plate is provided with a rubber pad, which can prevent the positioning plate from damaging the stator body and increase the service life of the positioning body.

[0009] A guide rod is provided on one side of the guide block, and through holes are opened on both side walls of the fixed frame corresponding to the position of the guide rod. The guide rod passes through the through hole in the side wall of the fixed frame, and the cross-section of the guide rod is adapted to the cross-section of the through hole in the side wall of the fixed frame. When the guide block moves, it drives the guide rod to move synchronously. The guide rod makes the movement process of the guide block more stable and prevents the guide block from tilting.

[0010] A limit plate is arranged at the end of the guide rod, and the limit plate can limit the guide rod to prevent the end of the guide rod from entering the driving cavity.

[0011] Support plates are arranged on both sides of the upper surface of the workbench, a drilling adjustment mechanism is arranged on the upper surface of the support plate, the drilling adjustment mechanism comprises a driving frame arranged on the upper surface of the support plate, a driving groove is opened on one side of the inner part of the driving frame, transmission wheels are installed on both sides of the driving groove, a conveyor belt is connected to the surface of the transmission wheel for transmission, a servo motor is arranged on one side of the outer wall of the driving frame, and the output end of the servo motor is connected to the center of the surface of one of the rotating wheels, a lead screw is arranged at the center of one side of the transmission wheel, a movable column is threadedly connected to the surface of the lead screw, and a fixed rod is fixedly connected between the two movable columns, a slide rail is arranged at the lower end of the movable column, and a slider is arranged in the slide rail for sliding An electric pulley is arranged inside the slider, and the surface of the electric pulley is in contact with the inner wall of the slide rail. A telescopic push rod is arranged at the bottom of the slider, and a drill bit is arranged at the output end of the telescopic push rod. The staff starts the servo motor to drive the movable column to move along the length direction of the screw rod when the screw rod rotates, and then the movable column drives the slide rail to move, the slide rail drives the slider and the telescopic push rod to move, and the telescopic push rod drives the drill bit to move synchronously, so that the lateral position of the drill bit can be adjusted. The staff then drives the slider to move through the electric pulley, so as to adjust the lateral and longitudinal positions of the drill bit, so that the stator body can be drilled in all directions, thereby improving the applicability of the device.

[0012] The inner wall of the slide rail is provided with a sawtooth structure, and the side of the electric pulley in contact with the inner wall of the slide rail is also provided with a sawtooth structure. The sawtooth structure of the electric pulley is meshed with the sawtooth structure of the inner wall of the slide rail. The sawtooth structure can increase the friction of the electric pulley and prevent slipping.

[0013] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0014] 1. When the utility model is used, when the staff needs to fix the stator body, the iron core of the servo motor stator is embedded in the surfaces of the two positioning plates, and then the hydraulic rod is started. The output end of the hydraulic rod drives the connecting plate to rise, and the connecting plate drives the connecting column to rise, so that the connecting column drives the driving block to rise. When the driving block rises, it contacts the inclined surface of the guide block, so that the two guide blocks are driven away from each other, and the guide block drives the connecting block to move synchronously, so that the connecting block slides in the guide groove, and at the same time, the connecting block stretches the spring, and when the guide block moves, it drives the supporting column to move synchronously, so that the supporting column drives the positioning plate to move synchronously, so that the two positioning plates are away from each other, so that the surfaces of the two positioning plates are close to the iron core of the stator body, so that the positioning body can be fixed, the positioning stability of the servo motor stator is improved, the position offset during the drilling process is prevented, and the drilling accuracy is improved.

[0015] 2. When the utility model is used, when the guide block moves, it drives the guide rod to move synchronously. The guide rod makes the movement process of the guide block more stable and prevents the guide block from tilting.

[0016] 3. When the utility model is used, the staff starts the servo motor, so that when the screw rotates, the movable column is driven to move along the length direction of the screw, and then the movable column drives the slide rail to move, the slide rail drives the slider and the telescopic push rod to move, and the telescopic push rod drives the drill bit to move synchronously, so that the lateral position of the drill bit can be adjusted. The staff then drives the slider to move through the electric pulley, so that the lateral and longitudinal positions of the drill bit can be adjusted, so that the stator body can be drilled in all directions, thereby improving the applicability of the device.

[0017] 4. When the utility model is used, a sawtooth structure is provided on the inner wall of the slide rail, and a sawtooth structure is also provided on the side of the electric pulley in contact with the inner wall of the slide rail. The sawtooth structure of the electric pulley is meshed with the sawtooth structure of the inner wall of the slide rail. The sawtooth structure can increase the friction of the electric pulley and prevent slipping. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 This is a front cross-sectional view of the interior of the positioning mechanism of the utility model;

[0020] Figure 3 This is a cross-sectional view of the internal structure of the drilling adjustment mechanism of the utility model;

[0021] Figure 4 It is a front sectional view of the interior of the slide rail of the utility model.

[0022] Explanation of the accompanying drawings: 100, workbench; 101, support plate; 200, stator body; 300, positioning mechanism; 301, fixed frame; 302, guide frame; 303, drive chamber; 304, guide groove; 305, spring; 306, connecting block; 307, guide block; 308, hydraulic rod; 309, connecting plate; 310, connecting column; 311, drive block; 312, support column; 313, positioning plate; 314, guide rod; 315, limit plate; 400, drilling adjustment mechanism; 401, drive frame; 402, drive groove; 403, transmission wheel; 404, conveyor belt; 405, servo motor; 406, lead screw; 407, movable column; 408, fixed rod; 500, slide rail; 501, slider; 502, electric pulley; 503, telescopic push rod; 600, drill bit. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-4, the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0024] According to one embodiment of the utility model, Figure 1 and Figure 2As shown: This embodiment provides a drilling device for motor stator processing, including a workbench 100 and a stator body 200, a positioning mechanism 300 is arranged at the center of the upper surface of the workbench 100, the positioning mechanism 300 includes a fixed frame 301 arranged at the center of the bottom surface of the workbench 100, a guide frame 302 is arranged at the bottom of the fixed frame 301, a driving cavity 303 is opened at the center of the fixed frame 301, guide grooves 304 are opened on both sides of the guide frame 302, springs 305 are arranged on both sides of the guide groove 304, a connecting block 306 is arranged at one end of the two springs 305 away from each other, and a guide block 307 is arranged at the upper end of the connecting block 306, The guide block 307 is located inside the driving cavity 303, hydraulic rods 308 are arranged on both sides of the bottom surface of the workbench 100, and a connecting plate 309 is arranged at the output end of the hydraulic rod 308. A connecting column 310 is arranged at the center of the upper surface of the connecting plate 309. A through groove is opened at the center of the guide frame 302, and the through groove extends to the inside of the driving cavity 303. The connecting column 310 is penetrated and arranged in the through groove of the guide frame 302. A driving block 311 is arranged on the upper end of the connecting column 310. The surface of the guide block 307 and the side facing the driving block 311 are arranged as an inclined surface. A support column 312 is arranged on the upper end of the guide block 307, and a positioning plate 313 is arranged on the upper end of the support column 312. When the workbench 100 is in operation, the guide block 307 is provided with a plurality of supporting columns 312, and the supporting columns 312 are provided with a plurality of positioning columns 313. When the operator needs to fix the stator body 200, the iron core of the stator of the servo motor 405 is embedded in the surface of the two positioning plates 313, and then the hydraulic rod 308 is started. The output end of the hydraulic rod 308 drives the connecting plate 309 to rise, and the connecting plate 309 drives the connecting column 310 to rise, so that the connecting column 310 drives the driving block 311 to rise. When the driving block 311 rises, it contacts the inclined surface of the guide block 307, so that the two guide blocks 307 are driven away from each other, and the guide block 307 drives the connecting block 306 to move synchronously, so that the connecting block 306 slides in the guide groove 304, and at the same time, the connecting block 306 stretches the spring 305, and the guide block 307 When moving, the support column 312 is driven to move synchronously, so that the support column 312 drives the positioning plate 313 to move synchronously, so that the two positioning plates 313 are moved away from each other, so that the surfaces of the two positioning plates 313 are close to the iron core of the stator body 200, so that the positioning body can be fixed, the positioning stability of the stator of the servo motor 405 is improved, the position offset during the drilling process is prevented, and the drilling accuracy is improved; the cross section of the positioning plate 313 is arc-shaped, which further improves the positioning stability of the stator body 200; the surface of the positioning plate 313 is provided with a rubber pad, which can prevent the positioning plate 313 from damaging the stator body 200 and improve the service life of the positioning body;A guide rod 314 is provided on one side of the guide block 307, and through holes are provided on both side walls of the fixed frame 301 corresponding to the position of the guide rod 314. The guide rod 314 penetrates the through hole in the side wall of the fixed frame 301, and the cross section of the guide rod 314 is adapted to the cross section of the through hole in the side wall of the fixed frame 301. When the guide block 307 moves, the guide rod 314 is driven to move synchronously. The guide rod 314 makes the movement process of the guide block 307 more stable and prevents the guide block 307 from tilting; a limiting plate 315 is provided at the end of the guide rod 314, and the limiting plate 315 can limit the guide rod 314 to prevent the end of the guide rod 314 from entering the driving cavity 303;

[0025] According to another embodiment of the present invention, Figure 1 , Figure 3 and Figure 4As shown, support plates 101 are arranged on both sides of the upper surface of the workbench 100, and a drilling adjustment mechanism 400 is arranged on the upper surface of the support plate 101. The drilling adjustment mechanism 400 includes a driving frame 401 arranged on the upper surface of the support plate 101, and a driving groove 402 is opened on one side of the driving frame 401. Transmission wheels 403 are installed on both sides of the driving groove 402. The surface of the transmission wheel 403 is connected to a conveyor belt 404 for transmission. A servo motor 405 is arranged on one side of the outer wall of the driving frame 401, and the output end of the servo motor 405 is connected to the center of the surface of one of the rotating wheels. A transmission wheel 403 is arranged at the center of one side of the transmission wheel 403. A screw rod 406 is arranged, and a movable column 407 is threadedly connected to the surface of the screw rod 406, and a fixed rod 408 is fixedly connected between the two movable columns 407. A slide rail 500 is arranged at the lower end of the movable column 407, and a slider 501 is slidably arranged in the slide rail 500. An electric pulley 502 is arranged inside the slider 501, and the surface of the electric pulley 502 contacts the inner wall of the slide rail 500. A telescopic push rod 503 is arranged at the bottom of the slider 501, and a drill bit 600 is arranged at the output end of the telescopic push rod 503. The staff starts the servo motor 405, and the output end of the servo motor 405 drives one of the transmission wheels 4 03 rotates, and then drives another transmission wheel 403 to rotate through the conveyor belt 404. When the two transmission wheels 403 rotate, the screw rod 406 is driven to rotate. Since the screw rod 406 is threadedly connected to the movable column 407, and the fixed rod 408 limits the movable column 407, when the screw rod 406 rotates, the movable column 407 is driven to move along the length direction of the screw rod 406, and then the movable column 407 drives the slide rail 500 to move, the slide rail 500 drives the slider 501 and the telescopic push rod 503 to move, and the telescopic push rod 503 drives the drill bit 600 to move synchronously, so that the lateral direction of the drill bit 600 can be adjusted. position, the staff then drives the slider 501 to move through the electric pulley 502, so that the slider 501 drives the drill bit 600 to move longitudinally, and then the lateral and longitudinal positions of the drill bit 600 can be adjusted, so that the stator body 200 can be drilled in all directions, thereby improving the applicability of the device; the inner wall of the slide rail 500 is provided with a serrated structure, and the side of the electric pulley 502 that contacts the inner wall of the slide rail 500 is also provided with a serrated structure, the serrated structure of the electric pulley 502 is meshed with the serrated structure of the inner wall of the slide rail 500, and the serrated structure can increase the friction of the electric pulley 502 to prevent slipping.

[0026] The use of this utility model:

[0027] When the staff needs to fix the stator body 200, the iron core of the stator of the servo motor 405 is embedded in the surface of the two positioning plates 313, and then the hydraulic rod 308 is started. The output end of the hydraulic rod 308 drives the connecting plate 309 to rise, and the connecting plate 309 drives the connecting column 310 to rise, so that the connecting column 310 drives the driving block 311 to rise. When the driving block 311 rises, it contacts the inclined surface of the guide block 307, so that the two guide blocks 307 are driven away from each other, and the guide block 307 drives the connecting block 306 to move synchronously, so that the connecting block 306 slides in the guide groove 304, and at the same time, the connecting block 306 stretches the spring 305, and when the guide block 307 moves, it drives the support column 312 to move synchronously, so that The support column 312 drives the positioning plate 313 to move synchronously, so that the two positioning plates 313 move away from each other, so that the surfaces of the two positioning plates 313 are close to the iron core of the stator body 200, so that the positioning body can be fixed, the positioning stability of the stator of the servo motor 405 is improved, the position offset during the drilling process is prevented, and the drilling accuracy is improved. When the stator body 200 needs to be removed, the hydraulic rod 308 is started, so that the output end of the hydraulic rod 308 drives the connecting plate 309 to descend, and the connecting plate 309 drives the connecting column 310 and the driving block 311 to move synchronously, and the rebound force of the spring 305 pushes the connecting block 306 and the guide block 307 to reset, so that the positioning plate 313 releases the positioning of the positioning body.

[0028] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A drilling device for machining a motor stator, comprising a workbench (100) and a stator body (200), characterized in that: A positioning mechanism (300) is arranged at the center of the upper surface of the workbench (100), and the positioning mechanism (300) comprises a fixed frame (301) arranged at the center of the bottom surface of the workbench (100), a guide frame (302) is arranged at the bottom of the fixed frame (301), a driving cavity (303) is opened at the center of the interior of the fixed frame (301), guide grooves (304) are opened on both sides of the interior of the guide frame (302), springs (305) are arranged on both sides of the interior of the guide groove (304), a connecting block (306) is arranged at one end of the two springs (305) away from each other, a guide block (307) is arranged at the upper end of the connecting block (306), and the guide block (307) is located in the interior of the driving cavity (303), and the Hydraulic rods (308) are arranged on both sides of the bottom surface of the workbench (100), and a connecting plate (309) is arranged at the output end of the hydraulic rod (308). A connecting column (310) is arranged at the center of the upper surface of the connecting plate (309). A through groove is opened at the center of the guide frame (302), and the through groove extends to the inside of the driving cavity (303). The connecting column (310) is arranged in the through groove of the guide frame (302). A driving block (311) is arranged at the upper end of the connecting column (310). The surface of the guide block (307) and the side facing the driving block (311) are arranged as an inclined surface. A support column (312) is arranged at the upper end of the guide block (307), and a positioning plate (313) is arranged at the upper end of the support column (312).

2. A motor stator drilling device as claimed in claim 1, characterized in that: The positioning plate (313) has an arc-shaped cross section.

3. The motor stator drilling device according to claim 1, characterized in that: A rubber pad is provided on the surface of the positioning plate (313).

4. The motor stator drilling device according to claim 1, characterized in that: A guide rod (314) is provided on one side of the guide block (307), and through holes are provided on both side walls of the fixed frame (301) corresponding to the positions of the guide rods (314). The guide rods (314) are arranged through the through holes in the side walls of the fixed frame (301), and the cross section of the guide rods (314) is adapted to the cross section of the through holes in the side walls of the fixed frame (301).

5. A motor stator drilling device as claimed in claim 4, characterized in that: A limiting plate (315) is provided at the end of the guide rod (314).

6. The motor stator drilling device according to claim 1, characterized in that: Support plates (101) are arranged on both sides of the upper surface of the workbench (100), and a drilling adjustment mechanism (400) is arranged on the upper surface of the support plate (101). The drilling adjustment mechanism (400) comprises a driving frame (401) arranged on the upper surface of the support plate (101), a driving groove (402) is opened on one side of the driving frame (401), and transmission wheels (403) are installed on both sides of the driving groove (402). The surface of the transmission wheel (403) is connected to a conveyor belt (404) for transmission. A servo motor (405) is arranged on one side of the outer wall of the driving frame (401), and the output end of the servo motor (405) is connected to one of the rotating wheels. A screw rod (406) is arranged at the center of the surface and the center of one side of the transmission wheel (403); a movable column (407) is threadedly connected to the surface of the screw rod (406); a fixed rod (408) is fixedly connected between the two movable columns (407); a slide rail (500) is arranged at the lower end of the movable column (407); a slider (501) is slidably arranged inside the slide rail (500); an electric pulley (502) is arranged inside the slider (501); and the surface of the electric pulley (502) contacts the inner wall of the slide rail (500); a telescopic push rod (503) is arranged at the bottom of the slider (501); and a drill bit (600) is arranged at the output end of the telescopic push rod (503).

7. A motor stator drilling device as claimed in claim 6, characterized in that: The inner wall of the slide rail (500) is provided with a sawtooth structure, and the side of the electric pulley (502) in contact with the inner wall of the slide rail (500) is also provided with a sawtooth structure, and the sawtooth structure of the electric pulley (502) is meshedly connected with the sawtooth structure of the inner wall of the slide rail (500).

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