A micro-motor shaft end fine grinding device

By designing a fine grinding and processing device for the shaft end of the micromotor shaft, including the installation of material conveying mechanism, multi-position clamping mechanism and follow-up grinding mechanism, the problem of batch processing and step-by-step grinding of the micromotor shaft in the prior art is solved, and the problem of batch processing and step-by-step grinding of the micromotor shaft in the prior art is solved, and the problem of batch processing and step-by-step grinding of the micromotor shaft is realized. High-precision micromotor shaft end grinding and reduction of grinding wheel loss.

CN118699926BActive Publication Date: 2025-02-07GUANGZHOU DEFANG ELECTROMECHANICAL CO LTD
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Patent Information

Application Number
CN202411015093.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-07-26
Publication Date
2025-02-07
Estimated Expiration
2044-07-26

AI Technical Summary

Technical Problem

The prior art is difficult to meet the batch processing needs of micromotor shafts, the grinding wheel cannot be adjusted according to the size of the motor shaft, and the grinding wheel cannot be polished step by step, and the loss of the grinding wheel is large.

Method used

A micromotor shaft end fine grinding processing device is designed, including an installation feeding mechanism, a multi-position clamping mechanism and a follow-up grinding mechanism. Through a multi-position clamping mechanism and a follow-up grinding mechanism, automatic loading and unloading of the micromotor shaft, positioning clamping and step-by-step grinding of the micromotor shaft is realized.

Benefits of technology

The position of the grinding wheel is adjusted according to the model of the micromotor, which meets the grinding needs of micromotors of different sizes, and achieves high-precision step-by-step polishing of the shaft end of the micromotor, reducing the loss of the grinding wheel.

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Abstract

The present invention discloses a micromotor shaft end fine grinding processing device, which relates to the technical field of motor shaft processing, and solves the problems that the existing micromotor shaft end fine grinding cannot meet the batch processing of micromotors, it is not convenient to adjust the grinding wheel according to the size of the motor shaft, and it is not possible to grind the motor shaft step by step, and the loss of the grinding wheel is large. A micromotor shaft end fine grinding processing device includes a feeding installation mechanism, a multi-position clamping mechanism and a follow-up grinding mechanism, the inner side of the feeding installation mechanism is installed with a multi-position clamping mechanism, one side of the multi-position clamping mechanism is installed with a conversion loading and unloading mechanism, the lower end surface of the multi-position clamping mechanism is installed with a follow-up grinding mechanism, and the feeding installation mechanism includes a waste chip collection base. The present invention can improve the grinding accuracy of the motor shaft and reduce the loss of the grinding wheel by automatically loading and unloading and grinding batches of micromotors step by step.
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Description

Technical Field

[0001] The invention relates to the technical field of motor shaft processing, in particular to a micro motor shaft end fine grinding processing device. Background Art

[0002] As the name implies, the micromotor shaft is an indispensable bearing in the micromotor. During the processing of the micromotor shaft, the shaft end needs to be precisely ground, so a fine grinding device will be used. It is generally composed of a chassis, a grinding wheel, a mandrel, a slot, a stepper motor, a transmission belt, a feeding box, a shaft rotation device, a belt, a guide roller, and a tensioning mechanism. Generally, the micromotor shaft is loaded into the slot of the mandrel through a feeding box, and then the micromotor shaft is driven to rotate by the rotation of the mandrel, and then the micromotor shaft itself is rotated with the help of a belt, so that the shaft end is ground by the grinding wheel, so that the shaft end is ground into a tapered arc.

[0003] The existing fine grinding of the shaft end of the micromotor cannot meet the needs of batch processing of micromotors, is not convenient for adjusting the grinding wheel according to the size of the motor shaft, and cannot grind the motor shaft step by step, resulting in a large amount of grinding wheel loss; therefore, it does not meet the existing needs. We have proposed a micromotor shaft end fine grinding processing device. Summary of the invention

[0004] The purpose of the present invention is to provide a micromotor shaft end fine grinding processing device to solve the problems raised in the above background technology that the existing micromotor shaft end fine grinding cannot meet the batch processing of micromotors, it is not convenient to adjust the grinding wheel according to the size of the motor shaft, and it is not possible to grind the motor shaft step by step, and the grinding wheel wear is large.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a micro-motor shaft end fine grinding processing device, comprising a feeding installation mechanism, a multi-position clamping mechanism and a follow-up grinding mechanism, wherein the inner side of the feeding installation mechanism is provided with a multi-position clamping mechanism, one side of the multi-position clamping mechanism is provided with a conversion loading and unloading mechanism, the lower end surface of the multi-position clamping mechanism is provided with a follow-up grinding mechanism, the feeding installation mechanism comprises a waste chip collection base, the upper end surface of the waste chip collection base is fixedly provided with a protective box body, one end of the protective box body is fixedly provided with two feeding sleeve plates, the upper end of the protective box body is fixedly provided with a sealing cover, the upper end surface of the sealing cover is fixedly provided with a first transmission motor, and the inner side of the protective box body is fixedly provided with two retaining cross frames;

[0006] The multi-position clamping mechanism includes a clamping rotating seat, which is rotatably connected to two retaining cross frames, a plurality of micro-motor shaft end mounting holes are evenly arranged on the lower end surface of the clamping rotating seat, a plurality of clamping placement grooves are evenly arranged on the side of the clamping rotating seat, a micro-motor placement tube is installed on the inner side of the clamping placement groove, a guide ring is fixedly installed on the outer side of the clamping rotating seat, a plurality of guide columns are slidably connected to the inner side of the upper end of the guide ring, a connecting bent bar is installed on one end of the guide column, a clamping arc block is installed on one end of the connecting bent bar, and a support spring is provided on the outer side of the middle part of the guide column.

[0007] Preferably, the follow-up grinding mechanism includes an adjusting support plate, which is fixedly connected to the protective box, a third transmission motor is fixedly installed on the lower end surface of the adjusting support plate, an output end of the third transmission motor is connected to a transmission screw through a coupling, one end of the transmission screw is rotatably connected to a transmission seat, one end of the transmission seat is installed with a transmission connecting rod, the middle part of the upper end surface of the adjusting support plate is rotatably connected to a driving seat, a plurality of motor mounting seats are installed on the outer side of the driving seat, a grinding mounting seat is installed on the upper end surfaces of the plurality of motor mounting seats, a fourth transmission motor is fixedly installed on the inner side of one end of the motor mounting seat, and a grinding wheel is fixedly installed on the output end of the fourth transmission motor.

[0008] Preferably, the conversion loading and unloading mechanism includes a reversing support angle plate, which is fixedly connected to the protective box body, and the inner side of one end of the reversing support angle plate is rotatably connected with an adjusting gear disk, a hydraulic rod is fixedly installed on the inner side of the middle part of the adjusting gear disk, and a reversing frame is fixedly installed on the output end of the hydraulic rod, and suction cup seats are fixedly installed on the inner sides of the four end corners of the reversing frame, and a support partition is fixedly installed on the upper end surface of the reversing support angle plate, and a second transmission motor is fixedly installed on the upper end surface of the support partition.

[0009] Preferably, the output end of the first transmission motor passes through the sealing cover and is fixedly connected to the clamping rotating seat, a transmission belt conveyor is provided on the inner side of the feeding sleeve, and the rotation directions of the two transmission belt conveyors are opposite. The number of the clamping placement groove, micromotor placement cylinder, clamping arc block, connecting bent bar, guide column, support spring and micromotor shaft end mounting hole is consistent, a micromotor is provided on the inner side of the micromotor placement cylinder, and the motor shaft of the micromotor passes through the micromotor shaft end mounting hole.

[0010] Preferably, the micromotor placement tube is fixedly connected to the clamping rotating seat, the clamping arc block is inserted into the inner side of the micromotor placement tube, the clamping arc block is slidingly connected to the micromotor placement tube, one end of the connecting bent bar is fixedly connected to the clamping arc block, one end of the guide column passes through the guide ring and the support spring and is fixedly connected to the other end of the connecting bent bar, and the guide ring is connected to multiple connecting bent bars through a support spring.

[0011] Preferably, the grinding mounting seat is fixedly connected to the adjustment support plate, the upper end surface of the grinding mounting seat is provided with a plurality of waist-shaped holes, the output end of the fourth transmission motor passes through the waist-shaped holes, the plurality of grinding wheels are arranged counterclockwise along the axis of the clamping rotating seat, and the surface roughness of the plurality of grinding wheels decreases successively.

[0012] Preferably, an arc-shaped hole is provided on the upper end surface of the adjustment support plate, the bottom end of the drive seat passes through the arc-shaped hole and is inserted into the inner side of the transmission connecting rod, the two ends of the transmission connecting rod are rotatably connected to the drive seat and the transmission seat through pins, and the transmission screw is connected to the adjustment support plate through threads.

[0013] Preferably, the hydraulic rod is rotationally connected to the supporting partition and the reversing supporting angle plate, the output end of the second transmission motor passes through the supporting partition and is provided with a gear, and the adjusting gear plate is connected to the gear by inter-tooth meshing.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention adjusts the positions of multiple grinding wheels according to the different diameters of the motor shafts according to the different models of the micro motors. The third transmission motor drives the transmission seat to slide on the lower end surface of the adjustment support plate through the transmission screw, and then the transmission seat drives the driving seat to rotate along the axis of the adjustment support plate through the transmission connecting rod, and then the driving seat synchronously drives the multiple motor mounting seats and the fourth transmission motor to adjust the positions, so as to adjust the grinding positions of multiple grinding wheels and meet the grinding of micro motors of different sizes;

[0016] 2. The present invention drives the reversing frame and the suction cup seat to move downward through the hydraulic rod and absorbs the micromotor through the suction cup seat. The second transmission motor drives the adjustment toothed disc to rotate through the gear, and then the adjustment toothed disc rotates 180 degrees through the hydraulic rod, the reversing frame and the suction cup seat. Then the suction cup seat is driven by the hydraulic rod again to move the micromotor downward to the inner side of the micromotor placement cylinder. Under the support of the support spring, the connecting bent bar can stably clamp the micromotor through the clamping arc block and the micromotor placement cylinder, thereby realizing automatic loading and unloading and positioning clamping of the micromotor.

[0017] 3. The present invention installs a first transmission motor to drive the micromotor to rotate along the axis of the clamping and rotating seat through the clamping and rotating seat, and the fourth transmission motor drives the grinding wheel to rotate. The multiple grinding wheels are arranged counterclockwise, and the surface roughness of the multiple grinding wheels decreases successively, so that when the clamping and rotating seat drives the micromotor to rotate counterclockwise, it contacts with the multiple grinding wheels in sequence, and then the motor shaft of the micromotor can be polished step by step through the multiple grinding wheels, thereby effectively controlling the grinding accuracy of the shaft end of the motor shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a schematic cross-sectional structure diagram of the present invention as a whole;

[0020] Figure 3 It is a top view of the multi-position clamping mechanism of the present invention;

[0021] Figure 4 It is a schematic diagram of the installation structure of the conversion loading and unloading mechanism of the present invention;

[0022] Figure 5 For the present invention Figure 4 Schematic diagram of the enlarged structure of the A area in the middle;

[0023] Figure 6 For the present invention Figure 4 A schematic diagram of the cross-section of the enlarged structure of the middle A area;

[0024] Figure 7 It is a structural schematic diagram of the follow-up grinding mechanism of the present invention;

[0025] Figure 8 It is a schematic cross-sectional structure diagram of the driving seat of the present invention;

[0026] Fig. 9 It is a schematic diagram of the cross-sectional structure of the follow-up grinding mechanism of the present invention.

[0027] In the figure: 1. Install the feeding mechanism; 101. Waste collection base; 102. Protective box; 103. Sealing cover; 104. Feeding sleeve; 105. First transmission motor; 106. Retaining cross frame; 2. Switching loading and unloading mechanism; 201. Reversing support angle plate; 202. Hydraulic rod; 203. Second transmission motor; 204. Reversing frame; 205. Suction cup seat; 206. Adjusting toothed disc; 207. Supporting partition; 3. Multi-position clamping mechanism; 301. Clamping rotating seat; 302. Guide ring; 3 03. Clamping and placing groove; 304. Micro motor placing cylinder; 305. Clamping arc block; 306. Connecting bent bar; 307. Guide column; 308. Support spring; 309. Micro motor shaft end mounting hole; 4. Follow-up grinding mechanism; 401. Grinding mounting seat; 402. Adjusting support plate; 403. Transmission connecting rod; 404. Transmission seat; 405. Third transmission motor; 406. Transmission screw; 407. Fourth transmission motor; 408. Motor mounting seat; 409. Driving seat; 410. Grinding wheel. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0029] The first transmission motor 105 (model YS7134), the hydraulic rod 202 (model HOB80X250-100), the second transmission motor 203 (model YEJ3-112M-4), the third transmission motor 405 (model GV50-3.7KW-60-S) and the fourth transmission motor 407 (model YS7134) mentioned in the present invention can all be purchased from the market or obtained through private customization.

[0030] See also Figures 1 to 3 An embodiment of the present invention is as follows: a micro-motor shaft end fine grinding processing device, comprising a feeding installation mechanism 1, a multi-position clamping mechanism 3 and a follow-up grinding mechanism 4, the feeding installation mechanism 1 comprises a waste chip collection base 101, a protective box 102 is fixedly installed on the upper end surface of the waste chip collection base 101, two feeding sleeves 104 are fixedly installed on one end of the protective box 102, a sealing cover 103 is fixedly installed on the upper end of the protective box 102, a first transmission motor 105 is fixedly installed on the upper end surface of the sealing cover 103, two retaining cross frames 106 are fixedly installed on the inner side of the protective box 102, a transmission belt conveyor is arranged on the inner side of the feeding sleeve 104, the two transmission belt conveyors have opposite rotation directions, and the micro-motor can be transported when loading and unloading through the two transmission belt conveyors.

[0031] See also Figures 2 to 4 A multi-position clamping mechanism 3 is installed on the inner side of the feeding mechanism 1, and a conversion loading and unloading mechanism 2 is installed on one side of the multi-position clamping mechanism 3. The conversion loading and unloading mechanism 2 includes a reversing support angle plate 201, and the reversing support angle plate 201 is fixedly connected to the protective box 102. The inner side of one end of the reversing support angle plate 201 is rotatably connected with an adjusting toothed disc 206, and a hydraulic rod 202 is fixedly installed on the inner side of the middle of the adjusting toothed disc 206. A reversing frame 204 is fixedly installed on the output end of the hydraulic rod 202, and a suction cup seat 205 is fixedly installed on the inner side of the four end corners of the reversing frame 204. The reversing support angle plate A support baffle 207 is fixedly installed on the upper end surface of 201, and a second transmission motor 203 is fixedly installed on the upper end surface of the support baffle 207. The hydraulic rod 202 is rotatably connected to the support baffle 207 and the reversing support angle plate 201. The output end of the second transmission motor 203 passes through the support baffle 207 and is provided with a gear. The adjusting toothed disc 206 is connected to the gear through tooth meshing, so that the second transmission motor 203 drives the adjusting toothed disc 206 to rotate through the gear, and then the adjusting toothed disc 206 drives the suction cup seats 205 at both ends of the reversing frame 204 to change their positions through the hydraulic rod 202.

[0032] See also Figures 2 to 7The multi-position clamping mechanism 3 includes a clamping rotating seat 301, which is rotatably connected to the two holding cross frames 106. The lower end surface of the clamping rotating seat 301 is evenly provided with a plurality of micro-motor shaft end mounting holes 309, and the side of the clamping rotating seat 301 is evenly provided with a plurality of clamping placement grooves 303, which facilitate the suction cup seat 205 to take and place the micro-motor;

[0033] A micro-motor placement cylinder 304 is installed on the inner side of the clamping placement groove 303, a guide ring 302 is fixedly installed on the outer side of the clamping rotating seat 301, a plurality of guide posts 307 are slidably connected to the inner side of the upper end of the guide ring 302, a connecting bent bar 306 is installed on one end of the guide post 307, a clamping arc block 305 is installed on one end of the connecting bent bar 306, the micro-motor placement cylinder 304 is fixedly connected to the clamping rotating seat 301, the clamping arc block 305 is plugged into the inner side of the micro-motor placement cylinder 304, and the clamping The arc holding block 305 is slidably connected to the micro-motor placement cylinder 304, one end of the connecting curved bar 306 is fixedly connected to the clamping arc block 305, a support spring 308 is provided on the outer side of the middle of the guide column 307, one end of the guide column 307 passes through the guide ring 302 and the support spring 308 and is fixedly connected to the other end of the connecting curved bar 306, the guide ring 302 is connected to a plurality of connecting curved bars 306 through the support spring 308, and the micro-motor placement cylinder 304 is used to facilitate positioning and placement of the micro-motor;

[0034] The output end of the first transmission motor 105 passes through the sealing cover 103 and is fixedly connected to the clamping rotating seat 301. The number of the clamping placement groove 303, the micromotor placement tube 304, the clamping arc block 305, the connecting bent bar 306, the guide column 307, the support spring 308 and the micromotor shaft end mounting hole 309 are consistent. A micromotor is provided on the inner side of the micromotor placement tube 304, and the motor shaft of the micromotor passes through the micromotor shaft end mounting hole 309, so that under the support of the support spring 308, the connecting bent bar 306 can stably clamp the micromotor through the clamping arc block 305 and the micromotor placement tube 304.

[0035] See also Figures 2 to 9The lower end surface of the multi-position clamping mechanism 3 is installed with a follow-up grinding mechanism 4, and the follow-up grinding mechanism 4 includes an adjusting support plate 402, and the adjusting support plate 402 is fixedly connected to the protective box 102. The lower end surface of the adjusting support plate 402 is fixedly installed with a third transmission motor 405, and the output end of the third transmission motor 405 is connected with a transmission screw 406 through a coupling, and one end of the transmission screw 406 is rotatably connected with a transmission seat 404, and one end of the transmission seat 404 is installed with a transmission connecting rod 403. The middle part of the upper end surface of the adjusting support plate 402 is rotatably connected with a driving seat 409, and the upper end surface of the adjusting support plate 402 is provided with an arc hole, and the driving The bottom end of the movable seat 409 passes through the arc hole and is plugged into the inner side of the transmission connecting rod 403. Both ends of the transmission connecting rod 403 are rotatably connected to the driving seat 409 and the driving seat 404 through pins. The transmission screw 406 is threadedly connected to the adjustment support plate 402, so that the third transmission motor 405 drives the transmission seat 404, the transmission connecting rod 403 and the driving seat 409 to rotate along the axis of the adjustment support plate 402 through the transmission screw 406, and then the driving seat 409 synchronously drives the multiple motor mounting seats 408 and the fourth transmission motor 407 to adjust the positions, so as to adjust the grinding positions of the multiple grinding wheels 410.

[0036] A plurality of motor mounting seats 408 are installed on the outer side of the driving seat 409, and a grinding mounting seat 401 is installed on the upper end surfaces of the plurality of motor mounting seats 408. A fourth transmission motor 407 is fixedly installed on the inner side of one end of the motor mounting seat 408, and a grinding wheel 410 is fixedly installed on the output end of the fourth transmission motor 407. The grinding mounting seat 401 is fixedly connected to the adjustment support plate 402, and a plurality of waist-shaped holes are provided on the upper end surface of the grinding mounting seat 401. The output end of the fourth transmission motor 407 passes through the waist-shaped holes. The plurality of grinding wheels 410 are arranged counterclockwise along the axis of the clamping rotating seat 301, and the surface roughness of the plurality of grinding wheels 410 decreases successively. When the micromotor rotates counterclockwise, it contacts with the plurality of grinding wheels 410 successively to realize step-by-step grinding, thereby effectively controlling the grinding accuracy of the shaft end of the motor shaft.

[0037] In summary, a transmission belt conveyor is provided on the inner side of the two feeding sleeves 104, and the rotation directions of the two transmission belt conveyors are opposite. When the power is turned on, the micro motor is loaded and unloaded through the two transmission belt conveyors. The motor shaft of the micro motor is placed downward. Different models of micro motors result in different diameters of the motor shaft. The positions of the multiple grinding wheels 410 are adjusted according to the size of the motor shaft of the micro motor.

[0038] Specifically, the output end of the fourth transmission motor 407 is fixedly connected to the grinding wheel 410, the driving seat 409 is rotatably connected to multiple motor mounting seats 408, and the bottom end of the driving seat 409 passes through the adjustment support plate 402 and is rotatably connected to the transmission connecting rod 403. The third transmission motor 405 is started, so that the third transmission motor 405 drives the transmission seat 404 to slide on the lower end surface of the adjustment support plate 402 through the transmission screw 406, and then the transmission seat 404 drives the driving seat 409 to rotate along the axis of the adjustment support plate 402 through the transmission connecting rod 403, and then the driving seat 409 synchronously drives multiple motor mounting seats 408 and the fourth transmission motor 407 to adjust the position, so as to adjust the grinding position of multiple grinding wheels 410 to meet the grinding of micromotors of different sizes.

[0039] The hydraulic rod 202 is started, so that the hydraulic rod 202 drives the reversing frame 204 and the suction cup seat 205 to move downward under the support of the adjusting toothed disc 206 and absorbs the micromotor through the suction cup seat 205. After the reversing frame 204 is reset, the second transmission motor 203 is started, so that the second transmission motor 203 drives the adjusting toothed disc 206 to rotate through the gear under the support of the supporting partition 207, and then the adjusting toothed disc 206 rotates 180 degrees through the hydraulic rod 202, the reversing frame 204 and the suction cup seat 205, and then the suction cup seat 205 is driven by the hydraulic rod 202 again to move the micromotor downward to the inner side of the micromotor placement tube 304, and the connecting bent bar 306 is connected to the guide ring 302 through the supporting spring 308, so that under the support of the supporting spring 308, the connecting bent bar 306 can stably clamp the micromotor through the clamping arc block 305 and the micromotor placement tube 304;

[0040] A micro-motor shaft end mounting hole 309 is provided on the lower end surface of the clamping rotating seat 301, so that the motor shaft of the micro-motor can be positioned and placed through the micro-motor shaft end mounting hole 309, and the first transmission motor 105 is started, so that the first transmission motor 105 drives the micro-motor to rotate along the axis of the clamping rotating seat 301 through the clamping rotating seat 301 under the support of the sealing cover 103, and the fourth transmission motor 407 is started, so that the fourth transmission motor 407 drives the grinding wheel 410 to rotate under the support of the motor mounting seat 408;

[0041] The multiple grinding wheels 410 are arranged counterclockwise, and the surface roughness of the multiple grinding wheels 410 decreases successively, so that when the clamping rotating seat 301 drives the micromotor to rotate counterclockwise, it contacts the multiple grinding wheels 410 in sequence, and then the motor shaft of the micromotor can be polished step by step through the multiple grinding wheels 410, effectively controlling the grinding accuracy of the shaft end of the motor shaft.

[0042] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A micromotor shaft end fine grinding device, comprising a material feeding installation mechanism (1), a multi-position clamping mechanism (3) and a follow-up grinding mechanism (4), characterized in that: A multi-position clamping mechanism (3) is installed on the inner side of the installation and feeding mechanism (1), a conversion loading and unloading mechanism (2) is installed on one side of the multi-position clamping mechanism (3), a follow-up grinding mechanism (4) is installed on the lower end surface of the multi-position clamping mechanism (3), the installation and feeding mechanism (1) comprises a waste chip collection base (101), a protective box (102) is fixedly installed on the upper end surface of the waste chip collection base (101), two feeding sleeves (104) are fixedly installed on one end of the protective box (102), a sealing cover (103) is fixedly installed on the upper end of the protective box (102), a first transmission motor (105) is fixedly installed on the upper end surface of the sealing cover (103), and two retaining cross frames (106) are fixedly installed on the inner side of the protective box (102); The multi-position clamping mechanism (3) comprises a clamping rotating seat (301), the clamping rotating seat (301) is rotatably connected to two holding cross frames (106), the lower end surface of the clamping rotating seat (301) is evenly provided with a plurality of micro-motor shaft end mounting holes (309), the side of the clamping rotating seat (301) is evenly provided with a plurality of clamping placement grooves (303), the inner side of the clamping placement groove (303) is installed with a micro-motor placement cylinder (304), the outer side of the clamping rotating seat (301) is fixedly installed with a guide ring (302), the inner side of the upper end of the guide ring (302) is slidably connected with a plurality of guide columns (307), one end of the guide column (307) is installed with a connecting bent bar (306), one end of the connecting bent bar (306) is installed with a clamping arc block (305), and the outer side of the middle part of the guide column (307) is provided with a support spring (308); The follow-up grinding mechanism (4) comprises an adjustment support plate (402), the adjustment support plate (402) is fixedly connected to the protective box (102), a third transmission motor (405) is fixedly installed on the lower end surface of the adjustment support plate (402), an output end of the third transmission motor (405) is connected to a transmission screw (406) via a coupling, one end of the transmission screw (406) is rotatably connected to a transmission seat (404), and one end of the transmission seat (404) is installed with a transmission connecting rod (403), a driving seat (409) is rotatably connected to the middle of the upper end surface of the adjusting support plate (402), a plurality of motor mounting seats (408) are installed on the outer side of the driving seat (409), a grinding mounting seat (401) is installed on the upper end surface of the plurality of motor mounting seats (408), a fourth transmission motor (407) is fixedly installed on the inner side of one end of the motor mounting seat (408), and a grinding wheel (410) is fixedly installed on the output end of the fourth transmission motor (407); The conversion loading and unloading mechanism (2) comprises a reversing support angle plate (201), the reversing support angle plate (201) is fixedly connected to the protective box (102), the inner side of one end of the reversing support angle plate (201) is rotatably connected to an adjusting toothed disc (206), a hydraulic rod (202) is fixedly installed on the inner side of the middle part of the adjusting toothed disc (206), a reversing frame (204) is fixedly installed on the output end of the hydraulic rod (202), and suction cup seats (205) are fixedly installed on the inner sides of the four end corners of the reversing frame (204), a supporting partition (207) is fixedly installed on the upper end surface of the reversing support angle plate (201), and a second transmission motor (203) is fixedly installed on the upper end surface of the supporting partition (207).

2. A micromotor shaft end fine grinding device according to claim 1, characterized in that: The output end of the first transmission motor (105) passes through the sealing cover (103) and is fixedly connected to the clamping rotating seat (301); a transmission belt conveyor is provided on the inner side of the feeding sleeve (104); the rotation directions of the two transmission belt conveyors are opposite; the number of the clamping placement groove (303), the micro-motor placement cylinder (304), the clamping arc block (305), the connecting bent bar (306), the guide column (307), the support spring (308) and the micro-motor shaft end mounting hole (309) is consistent; a micro-motor is provided on the inner side of the micro-motor placement cylinder (304); and the motor shaft of the micro-motor passes through the micro-motor shaft end mounting hole (309).

3. A micromotor shaft end fine grinding device according to claim 2, characterized in that: The micromotor placement tube (304) is fixedly connected to the clamping rotating seat (301); the clamping arc block (305) is plugged into the inner side of the micromotor placement tube (304); the clamping arc block (305) is slidably connected to the micromotor placement tube (304); one end of the connecting curved strip (306) is fixedly connected to the clamping arc block (305); one end of the guide column (307) passes through the guide ring (302) and the support spring (308) and is fixedly connected to the other end of the connecting curved strip (306); the guide ring (302) is connected to a plurality of connecting curved strips (306) via the support spring (308).

4. The micromotor shaft end fine grinding device according to claim 1, characterized in that: The grinding mounting seat (401) is fixedly connected to the adjustment support plate (402); a plurality of waist-shaped holes are provided on the upper end surface of the grinding mounting seat (401); the output end of the fourth transmission motor (407) passes through the waist-shaped holes; the plurality of grinding wheels (410) are arranged counterclockwise along the axis of the clamping rotating seat (301); and the surface roughness of the plurality of grinding wheels (410) decreases in sequence.

5. A micromotor shaft end fine grinding device according to claim 4, characterized in that: The upper end surface of the adjustment support plate (402) is provided with an arc-shaped hole, the bottom end of the drive seat (409) passes through the arc-shaped hole and is plugged into the inner side of the transmission connecting rod (403), both ends of the transmission connecting rod (403) are rotatably connected to the drive seat (409) and the transmission seat (404) through pins, and the transmission screw (406) is connected to the adjustment support plate (402) through threads.

6. The micromotor shaft end fine grinding device according to claim 1, characterized in that: The hydraulic rod (202) is rotatably connected to the supporting partition (207) and the reversing supporting angle plate (201); the output end of the second transmission motor (203) passes through the supporting partition (207) and is provided with a gear; the adjusting toothed disc (206) is connected to the gear through inter-tooth meshing.

Citation Information

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