A positioning cutting device for motor shaft processing

Abstract

The present invention relates to the technical field of motor shaft processing, and specifically to a positioning and cutting device for motor shaft processing, comprising a base and a mounting plate fixedly connected to the top thereof, wherein two first support frames are fixedly installed in the middle of the top surface of the base, a grinding mechanism for grinding the end of the motor shaft is arranged between the two first support frames, and a positioning mechanism for fixing the motor shaft is arranged on one side of the top of the base; the protruding end of the lifting cylinder is controlled to extend to the longest, so that the first grinding block is in close contact with the end surface of the motor shaft, and at the same time, the second grinding block is driven by the transmission rod to rise to be in close contact with the bottom of the outer edge surface of the end of the motor shaft, and then the driving motor is controlled to drive the motor shaft to rotate, and the end surface of the motor shaft is ground by the first grinding block, and at the same time, the outer edge surface of the end of the motor shaft is ground by the second grinding block to prevent burrs on the outer edge surface of the end of the motor shaft from affecting the product quality of the motor shaft.

Description

Technical Field

[0001] The invention relates to the technical field of motor shaft processing, and in particular to a positioning and cutting device for motor shaft processing. Background Art

[0002] The motor shaft positioning and cutting device is a device used to accurately cut the motor shaft into the required length or shape. The motor shaft positioning and cutting device is widely used in motor manufacturing, automobile maintenance, metal processing and other fields. In these fields, the motor shaft needs to be accurately cut to meet different usage requirements. By using the motor shaft positioning and cutting device, the cutting accuracy and production efficiency can be greatly improved, and the production cost and labor cost can be reduced.

[0003] When the existing motor shaft positioning and cutting device is working, it is inconvenient to effectively fix the raw material rod due to its long length, which easily causes the cut motor shaft end face to be uneven; at the same time, after the motor shaft is cut, its end face needs to be polished, and during the polishing process, burrs will appear on the outer edge surface of the motor shaft end, which easily affects the product quality of the polished motor shaft. Summary of the invention

[0004] The technical problems solved by this solution are:

[0005] How to solve the problem that burrs appear on the outer edge of the motor shaft end during the grinding process of the motor shaft end face, which easily affects the quality of the motor shaft product?

[0006] How to solve the problem that the raw material rod is too long to be effectively fixed, which easily causes the end surface of the cut motor shaft to be uneven.

[0007] The object of the present invention can be achieved by the following technical solutions: A positioning and cutting device for motor shaft processing, comprising a base and a mounting plate fixedly connected to the top thereof, two first support frames are fixedly installed in the middle of the top surface of the base, the two first support frames are respectively arranged on the front and rear sides of the base, and a grinding mechanism for grinding the end of the motor shaft is arranged between the two first support frames, and a positioning mechanism for fixing the motor shaft is arranged on one side of the top of the base;

[0008] The grinding mechanism includes a water inlet cylinder fixedly connected to the side of one of the first support frames, an L-shaped flip rod is rotatably provided on the first support frame on one side of the water inlet cylinder, a first grinding block for removing burrs on the end face of the motor shaft is fixedly installed at one end of the L-shaped flip rod, and a control unit for driving the first grinding block to move is provided on the rear side of the L-shaped flip rod.

[0009] A further technical improvement of the present invention is that: the top of the water inlet cylinder is connected to a first water outlet pipe, the output end of the first water outlet pipe is arranged toward the first grinding block, the bottom of the side of the water inlet cylinder is connected to a second water outlet pipe, the middle of the water inlet cylinder is connected to a water inlet pipe, and the input end of the water inlet pipe is connected to an external water supply device.

[0010] A further technical improvement of the present invention is that a transmission plate is rotatably connected to the first support frame between the water inlet cylinder and the L-shaped flip rod through a pin shaft, a first piston is slidably connected to the inner wall of the water inlet cylinder, a push-pull rod is fixedly connected to the bottom of the first piston, the bottom end of the push-pull rod movably passes through the water inlet cylinder and is fixedly installed with a first shifting rod, and the first shifting rod is movably connected to one end of the transmission plate.

[0011] A further technical improvement of the present invention is that the control unit includes a lifting cylinder fixedly inserted on the base, a longitudinally arranged transmission rod is fixedly installed on the protruding end of the lifting cylinder, and a second grinding block for removing burrs on the outer edge surface of the motor shaft end is fixedly installed on the top of the transmission rod.

[0012] A further technical improvement of the present invention is that the extended end of the lifting cylinder is movably connected to the other end of the transmission plate through a second lever, and a transmission wheel is rotatably provided on the extended end of the lifting cylinder, the transmission wheel is rollingly connected to the middle part of the L-shaped flip rod, and the transmission wheel is located below the L-shaped flip rod.

[0013] A further technical improvement of the present invention is that a guide frame for guiding the transmission rod is fixedly mounted on one of the first support frames, and the guide frame is located below the second grinding block.

[0014] A further technical improvement of the present invention is that a knocking unit for cleaning debris on the first grinding block is arranged on the side of the lifting cylinder away from the water inlet cylinder, and the knocking unit includes an adjusting cylinder fixedly arranged on the base, and the bottom of the adjusting cylinder is connected to the output end of the second water outlet pipe.

[0015] A further technical improvement of the present invention is that a second piston is slidably provided on the inner wall of the adjusting cylinder, a striking rod is fixedly connected to the top of the second piston, the top of the striking rod movably passes through the adjusting cylinder and is fixedly connected to a striking hammer, and the position of the striking hammer corresponds to the position of the first grinding block.

[0016] A further technical improvement of the present invention is that: a tension spring is fixedly connected to the bottom of the second piston, the bottom end of the tension spring is fixedly connected to the inner wall of the adjusting cylinder, the back of the adjusting cylinder is fixedly connected to a water spray pipe, and the output end of the water spray pipe is arranged toward the raw material rod; clean water is injected into the water inlet cylinder through the water inlet pipe, at this time, the extended end of the lifting cylinder is in the shortest state, the first piston is located above the output end of the water inlet pipe, and clean water is injected into the adjusting cylinder, pushing the second piston to rise above the input end of the water spray pipe, so that the clean water is sprayed along the water spray pipe to the cutting tool and the raw material rod, cooling the raw material rod and washing away the debris, and at the same time, due to the pulling force of the tension spring on the second piston, the second piston moves up and down, thereby controlling the impact hammer to impact the first grinding block The impact is convenient for shaking off the debris remaining on its surface; the extended end of the lifting cylinder is controlled to extend to half the length, the transmission wheel pushes the first grinding block to approach the output end of the first water outlet pipe, and clean water is sprayed toward the first grinding block through the first water outlet pipe to clean the debris on the surface of the first grinding block to avoid affecting the efficiency of the first grinding block in grinding the end face of the motor shaft; the extended end of the lifting cylinder is continued to be controlled to extend to the longest, so that the first grinding block is in close contact with the end face of the motor shaft, the second grinding block rises to be in close contact with the bottom of the outer edge surface of the end of the motor shaft, and then the motor shaft is controlled to rotate, the end face of the motor shaft is ground by the first grinding block, and at the same time, the outer edge surface of the end of the motor shaft is ground by the second grinding block to avoid burrs on the outer edge surface of the end of the motor shaft affecting the product quality of the motor shaft.

[0017] The further technical improvement of the present invention lies in that: the positioning mechanism comprises a driving motor fixedly connected to the base, the output end of the driving motor is fixedly installed with a clamping frame for fixing the end of the motor shaft, the clamping frame is threadedly connected with a bolt, and the front side of the mounting plate is fixedly installed with a longitudinally arranged pressing cylinder, and the protruding end of the pressing cylinder is rotatably provided with a pressing wheel rollingly connected to the outer edge surface of the motor shaft; the end of the raw material rod is clamped and fixed by rotating the bolt. At this time, the raw material rod is supported by the supporting wheels rotating at the top of the two second supporting frames and the two first supporting frames, and then the protruding end of the pressing cylinder is controlled to extend to the longest, so that the pressing wheel is rollingly connected to the outer edge surface of the raw material rod, and the part of the raw material rod that needs to be cut off is clamped and fixed by the four supporting wheels and the pressing wheel. At the same time, the positioning frame and a number of conveying tooling are used to provide support for the part of the raw material rod away from the clamping frame, thereby ensuring the stability of the raw material rod, thereby avoiding causing the end surface of the cut motor shaft to be uneven.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] When the present invention is in use, clean water is injected into the water inlet cylinder through the water inlet pipe. At this time, the extended end of the lifting cylinder is in the shortest state, and the first piston is located above the output end of the water inlet pipe, so that the clean water in the water inlet cylinder is injected into the regulating cylinder through the second water outlet pipe, pushing the second piston to rise above the input end of the water spray pipe, so that the clean water is sprayed along the water spray pipe to the cutting tool and the raw material rod, cooling the raw material rod and washing the debris. At the same time, due to the pulling force of the tension spring on the second piston, the second piston moves up and down, thereby controlling the impact hammer to impact the first grinding block, so as to shake off the debris remaining on its surface; after the raw material rod is cut, the obtained motor shaft will be located on the four supporting wheels, and by controlling the extended end of the lifting cylinder to extend to half the length, the transmission wheel pushes the L-shaped flip rod and the first grinding block to flip, so that the first grinding block The first grinding block is used to grind the end face of the motor shaft to the bottom of the outer edge surface of the motor shaft, and the second grinding block is used to grind the end face of the motor shaft to the bottom of the outer edge surface of the motor shaft, so that the burrs on the outer edge surface of the motor shaft end are avoided from affecting the product quality of the motor shaft.

[0020] When the present invention is in use, the end of the raw material rod is clamped and fixed by rotating the bolts. At this time, the raw material rod is supported by the support wheels rotating at the tops of the two second support frames and the two first support frames, and then the protruding end of the pressing cylinder is controlled to extend to the longest, so that the pressing wheel and the outer edge surface of the raw material rod are rollingly connected, and the part of the raw material rod that needs to be cut off is clamped and fixed by the four supporting wheels and the pressing wheel. At the same time, the positioning frame and a plurality of conveying tooling are used to provide support for the part of the raw material rod away from the clamping frame, thereby ensuring the stability of the raw material rod, thereby avoiding the unevenness of the cut motor shaft end surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a structural schematic diagram of the grinding mechanism of the present invention;

[0024] Figure 3It is a schematic diagram of the structure of the control unit of the present invention;

[0025] Figure 4 It is a structural schematic diagram of the knocking unit of the present invention;

[0026] Figure 5 It is a schematic diagram of the structure of the striking unit of the present invention;

[0027] Figure 6 For the present invention Figure 1 A magnified view of the structure at center A;

[0028] Figure 7 It is a structural stereoscopic schematic diagram of the positioning mechanism of the present invention.

[0029] In the figure: 1, driving motor; 2, positioning mechanism; 3, base; 4, first support frame; 5, grinding mechanism; 6, conveying tool; 7, positioning frame; 8, mounting plate; 9, cutting tool; 201, bolt; 202, clamping frame; 203, second support frame; 204, pressing wheel; 205, pressing cylinder; 501, first piston; 502, water inlet pipe; 503, water inlet cylinder; 504, push-pull rod; 505, transmission plate; 506, second water outlet Tube; 507, control unit; 508, knocking unit; 509, first grinding block; 510, L-shaped flip rod; 511, first water outlet pipe; 5071, second grinding block; 5072, transmission rod; 5073, second lever; 5074, lifting cylinder; 5075, transmission wheel; 5076, guide frame; 5081, adjusting cylinder; 5082, second piston; 5083, impact rod; 5084, impact hammer; 5085, water spray pipe. DETAILED DESCRIPTION

[0030] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figure 1-Figure 7 As shown, a positioning and cutting device for motor shaft processing includes a base 3 and a mounting plate 8 fixedly connected to the top thereof, two first support frames 4 are fixedly installed in the middle of the top surface of the base 3, the two first support frames 4 are respectively arranged on the front and rear sides of the base 3, and a grinding mechanism 5 for grinding the end of the motor shaft is arranged between the two first support frames 4, and a positioning mechanism 2 for fixing the motor shaft is arranged on one side of the top of the base 3.

[0032] See also Figure 1-Figure 7As shown, the above-mentioned grinding mechanism 5 includes a water inlet cylinder 503 fixedly connected to one of the side surfaces of the first support frame 4, an L-shaped flip rod 510 is rotatably provided on the first support frame 4 on one side of the water inlet cylinder 503, a first grinding block 509 for removing burrs on the end surface of the motor shaft is fixedly installed at one end of the L-shaped flip rod 510, and a control unit 507 for driving the first grinding block 509 to move is provided on the rear side of the L-shaped flip rod 510.

[0033] See also Figure 1 and Figure 2 As shown, the top of the water inlet cylinder 503 is connected to a first water outlet pipe 511, the output end of the first water outlet pipe 511 is arranged toward the first grinding block 509, the bottom of the side of the water inlet cylinder 503 is connected to a second water outlet pipe 506, the middle of the water inlet cylinder 503 is connected to a water inlet pipe 502, and the input end of the water inlet pipe 502 is connected to an external water supply device.

[0034] See also Figure 1 and Figure 2 As shown, a transmission plate 505 is rotatably connected to the first support frame 4 between the water inlet cylinder 503 and the L-shaped flip rod 510 through a pin shaft, and a first piston 501 is slidably connected to the inner wall of the water inlet cylinder 503. A push-pull rod 504 is fixedly connected to the bottom of the first piston 501. The bottom end of the push-pull rod 504 movably passes through the water inlet cylinder 503 and is fixedly installed with a first lever, which is movably connected to one end of the transmission plate 505.

[0035] See also Figure 2 and Figure 3 As shown, the above-mentioned control unit 507 includes a lifting cylinder 5074 fixedly inserted on the base 3, and a longitudinally arranged transmission rod 5072 is fixedly installed on the protruding end of the lifting cylinder 5074, and a second grinding block 5071 for removing burrs on the outer edge surface of the motor shaft end is fixedly installed on the top of the transmission rod 5072.

[0036] See also Figure 2 and Figure 3 As shown, the protruding end of the above-mentioned lifting cylinder 5074 is movably connected to the other end of the transmission plate 505 through the second lever 5073, and a transmission wheel 5075 is rotatably provided on the protruding end of the lifting cylinder 5074. The transmission wheel 5075 is rollingly connected to the middle part of the L-shaped flip rod 510, and the transmission wheel 5075 is located below the L-shaped flip rod 510.

[0037] See also Figure 2 and Figure 3 As shown, a guide frame 5076 for guiding the transmission rod 5072 is fixedly mounted on one of the first support frames 4 , and the guide frame 5076 is located below the second grinding block 5071 .

[0038] See also Figure 2 , Figure 4 and Figure 5 As shown, a knocking unit 508 for cleaning debris on the first grinding block 509 is provided on the side of the lifting cylinder 5074 away from the water inlet cylinder 503. The knocking unit 508 includes an adjusting cylinder 5081 fixedly arranged on the base 3, and the bottom of the adjusting cylinder 5081 is connected to the output end of the second water outlet pipe 506.

[0039] See also Figure 2 , Figure 4 and Figure 5 As shown, the inner wall of the above-mentioned adjusting cylinder 5081 is slidably provided with a second piston 5082, the top of the second piston 5082 is fixedly connected with an impact rod 5083, the top of the impact rod 5083 movably passes through the adjusting cylinder 5081 and is fixedly connected with an impact hammer 5084, and the position of the impact hammer 5084 corresponds to the position of the first grinding block 509.

[0040] See also Figure 2 and Figure 4 As shown, the bottom of the second piston 5082 is fixedly connected with a tension spring, the bottom end of the tension spring is fixedly connected to the inner wall of the adjusting cylinder 5081, and the back of the adjusting cylinder 5081 is fixedly connected with a water spray pipe 5085, and the output end of the water spray pipe 5085 is arranged toward the raw material rod; clean water is injected into the water inlet cylinder 503 through the water inlet pipe 502. At this time, the protruding end of the lifting cylinder 5074 is in the shortest state, and the first piston 501 is located above the output end of the water inlet pipe 502. Clean water is injected into the adjusting cylinder 5081, pushing the second piston 5082 to rise above the input end of the water spray pipe 5085, so that the clean water is sprayed along the water spray pipe 5085 to the cutting tool 9 and the raw material rod, cooling the raw material rod and washing away the debris. At the same time, due to the pulling force of the tension spring on the second piston 5082, the second piston 5082 moves up and down, thereby controlling the impact hammer 5084 to impact the first grinding The first grinding block 509 is hit by the lifting cylinder 5074 to shake off the debris remaining on its surface; the extended end of the lifting cylinder 5074 is controlled to extend to half the length, and the transmission wheel 5075 pushes the first grinding block 509 to approach the output end of the first water outlet pipe 511, and clean water is sprayed toward the first grinding block 509 through the first water outlet pipe 511 to clean the debris on the surface of the first grinding block 509, so as to avoid affecting the efficiency of the first grinding block 509 in grinding the end face of the motor shaft; the extended end of the lifting cylinder 5074 is continued to be controlled to extend to the longest, so that the first grinding block 509 is in close contact with the end face of the motor shaft, and the second grinding block 5071 rises to be in close contact with the bottom of the outer edge surface of the end of the motor shaft, and then the motor shaft is controlled to rotate, and the end face of the motor shaft is ground by the first grinding block 509, and at the same time, the outer edge surface of the end of the motor shaft is ground by the second grinding block 5071, so as to avoid the burrs on the outer edge surface of the end of the motor shaft affecting the product quality of the motor shaft.

[0041] See also Figure 1 , Figure 6 and Figure 7 As shown, the positioning mechanism 2 includes a driving motor 1 fixedly connected to the base 3, a clamping frame 202 for fixing the end of the motor shaft is fixedly installed at the output end of the driving motor 1, a bolt 201 is threadedly connected to the clamping frame 202, a longitudinally arranged pressing cylinder 205 is fixedly installed on the front of the mounting plate 8, and a pressing wheel 204 rollingly connected to the outer edge of the motor shaft is rotatably arranged at the protruding end of the pressing cylinder 205; the end of the raw material rod is clamped and fixed by rotating the bolt 201, at this time, through the two second support frames 203 and the rotating support wheels on the top of the two first support frames 4 provide support for the raw material rod, and then control the extended end of the pressing cylinder 205 to extend to the longest, so that the pressing wheel 204 is rollingly connected with the outer edge surface of the raw material rod, and the part of the raw material rod that needs to be cut is clamped and fixed by the four support wheels and the pressing wheel 204. At the same time, the positioning frame 7 and several conveying tooling 6 provide support for the part of the raw material rod away from the clamping frame 202, ensuring the stability of the raw material rod, thereby avoiding the unevenness of the cut motor shaft end face.

[0042] See also Figure 1 , Figure 6 and Figure 7 As shown, two second support frames 203 are fixedly installed on the base 3 on one side of the above-mentioned driving motor 1, and the two second support frames 203 are respectively arranged on the front and rear sides of the base 3. The tops of the second support frames 203 and the first support frame 4 are rotatably provided with support wheels for supporting the motor shaft.

[0043] See also Figure 1 and Figure 6 As shown, a cutting tool 9 for cutting the raw material rod is movably provided on the mounting plate 8 on one side of the pressing cylinder 205, and the cutting tool 9 is a prior art.

[0044] See also Figure 1 As shown, a positioning frame 7 for positioning the raw material rod is fixedly installed on the side of the top of the above-mentioned base 3 away from the driving motor 1, and a plurality of conveying tools 6 for conveying the raw material rod are fixedly arranged on the base 3 on the side of the positioning frame 7 away from the driving motor 1, and the conveying tools 6 are prior art.

[0045] Working principle: When the present invention is used, first, Figure 1 , Figure 6 and Figure 7As shown, the raw material rod is conveyed toward the driving motor 1 by a plurality of conveying fixtures 6. When the end of the raw material rod contacts the inner wall of the clamping frame 202, the end of the raw material rod is clamped and fixed by rotating the bolt 201. At this time, the raw material rod is supported by the supporting wheels rotating at the tops of the two second supporting frames 203 and the two first supporting frames 4. Then, the protruding end of the pressing cylinder 205 is controlled to extend to the longest, so that the pressing wheel 204 is rollingly connected with the outer edge surface of the raw material rod. The part of the raw material rod that needs to be cut is clamped and fixed by the four supporting wheels and the pressing wheel 204. At the same time, the positioning frame 7 and a plurality of conveying fixtures 6 are used to provide support for the part of the raw material rod away from the clamping frame 202, thereby ensuring the stability of the raw material rod, thereby avoiding causing the cut motor shaft end surface to be uneven; as shown Figure 1-Figure 3 As shown, in the process of controlling the cutting tool 9 to cut the raw material rod, the external water supply device is turned on, and clean water is injected into the water inlet cylinder 503 through the water inlet pipe 502. At this time, Figure 2-Figure 4 As shown, the extended end of the lifting cylinder 5074 is in the shortest state, and the first piston 501 is located above the output end of the water inlet pipe 502, so that the clean water in the water inlet cylinder 503 is injected into the regulating cylinder 5081 through the second water outlet pipe 506, pushing the second piston 5082 to rise above the input end of the water spray pipe 5085, so that the clean water is sprayed along the water spray pipe 5085 to the cutting tool 9 and the raw material rod, cooling the raw material rod and washing the debris. At the same time, Figure 2 and Figure 4 As shown, due to the pulling force of the tension spring on the second piston 5082, the second piston 5082 moves up and down, thereby controlling the impact hammer 5084 to impact the first grinding block 509, so as to shake off the debris remaining on its surface; Figure 2 and Figure 3 As shown, after the raw material rod is cut, the obtained motor shaft will be located on the four supporting wheels. By controlling the protruding end of the lifting cylinder 5074 to extend to half the length, the transmission wheel 5075 pushes the L-shaped flip rod 510 and the first grinding block 509 to flip, so that the first grinding block 509 is close to the output end of the first water outlet pipe 511. At this time, the transmission plate 505 is driven to rotate by the second lever 5073, thereby pulling the first piston 501 to slide downward to between the output end of the water inlet pipe 502 and the input end of the second water outlet pipe 506, so that clean water is sprayed toward the first grinding block 509 through the first water outlet pipe 511, and the debris on the surface of the first grinding block 509 is cleaned by the clean water to avoid affecting the efficiency of the first grinding block 509 in grinding the end face of the motor shaft; as shown in FIG. Figure 2 and Figure 3 As shown, the extended end of the lifting cylinder 5074 is continuously controlled to extend to the maximum, so that the first grinding block 509 is in close contact with the end surface of the motor shaft. At the same time, the second grinding block 5071 is driven by the transmission rod 5072 to rise to be in close contact with the bottom of the outer edge surface of the end of the motor shaft, as shown in FIG. Figure 1-Figure 7As shown, the driving motor 1 is controlled to rotate to drive the motor shaft, and the end face of the motor shaft is polished by the first polishing block 509. At the same time, the outer edge surface of the end of the motor shaft is polished by the second polishing block 5071 to prevent burrs on the outer edge surface of the end of the motor shaft from affecting the product quality of the motor shaft; during the process of polishing the end of the motor shaft by the first polishing block 509 and the second polishing block 5071, the external water supply device is closed in time to avoid wasting clean water.

[0046] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A positioning and cutting device for machining a motor shaft, comprising a base (3) and a mounting plate (8) fixedly connected to the top thereof, wherein two first support frames (4) are fixedly mounted in the middle of the top surface of the base (3), characterized in that: The two first support frames (4) are respectively arranged on the front and rear sides of the base (3), and a grinding mechanism (5) for grinding the end of the motor shaft is arranged between the two first support frames (4), and a positioning mechanism (2) for fixing the motor shaft is arranged on one side of the top of the base (3); The grinding mechanism (5) comprises a water inlet cylinder (503) fixedly connected to a side surface of one of the first support frames (4); an L-shaped flip rod (510) is rotatably provided on the first support frame (4) on one side of the water inlet cylinder (503); a first grinding block (509) for removing burrs from the end surface of the motor shaft is fixedly installed at one end of the L-shaped flip rod (510); a control unit (507) for driving the first grinding block (509) to move is provided at the rear side of the L-shaped flip rod (510); a first water outlet pipe (511) is connected to the top of the water inlet cylinder (503); an output end of the first water outlet pipe (511) faces the first grinding block (509) ) is arranged, the side bottom of the water inlet cylinder (503) is connected to a second water outlet pipe (506), the middle of the water inlet cylinder (503) is connected to a water inlet pipe (502), a transmission plate (505) is rotatably connected to the first support frame (4) between the water inlet cylinder (503) and the L-shaped flip rod (510), the inner wall of the water inlet cylinder (503) is slidably connected to a first piston (501), the bottom of the first piston (501) is fixedly connected to a push-pull rod (504), the bottom end of the push-pull rod (504) movably passes through the water inlet cylinder (503) and is fixedly installed with a first shifting rod, and the first shifting rod is movably connected to one end of the transmission plate (505); The control unit (507) comprises a lifting cylinder (5074) fixedly inserted on the base (3); a transmission rod (5072) is fixedly mounted on the protruding end of the lifting cylinder (5074); a second grinding block (5071) for removing burrs on the outer edge surface of the motor shaft end is fixedly mounted on the top of the transmission rod (5072); the protruding end of the lifting cylinder (5074) is movably connected to the other end of the transmission plate (505); and a transmission wheel (5075) is rotatably arranged on the protruding end of the lifting cylinder (5074); the transmission wheel (5075) is rollingly connected to the middle part of the L-shaped flip rod (510), and the transmission wheel (5075) is located below the L-shaped flip rod (510).

2. A positioning and cutting device for motor shaft processing according to claim 1, characterized in that: A guide frame (5076) for guiding the transmission rod (5072) is fixedly mounted on one of the first support frames (4), and the guide frame (5076) is located below the second grinding block (5071).

3. A positioning and cutting device for motor shaft processing according to claim 1, characterized in that: A knocking unit (508) for cleaning debris on the first grinding block (509) is provided on a side of the lifting cylinder (5074) away from the water inlet cylinder (503), and the knocking unit (508) comprises an adjustment cylinder (5081) fixedly arranged on the base (3), and the bottom of the adjustment cylinder (5081) is connected to the output end of the second water outlet pipe (506).

4. A positioning and cutting device for motor shaft processing according to claim 3, characterized in that: A second piston (5082) is slidably disposed on the inner wall of the adjusting cylinder (5081); a striking rod (5083) is fixedly connected to the top of the second piston (5082); a top end of the striking rod (5083) movably penetrates the adjusting cylinder (5081) and is fixedly connected to a striking hammer (5084); the position of the striking hammer (5084) corresponds to the position of the first grinding block (509).

5. A positioning and cutting device for motor shaft processing according to claim 4, characterized in that: The bottom of the second piston (5082) is fixedly connected to a tension spring, the bottom end of which is fixedly connected to the inner wall of the adjusting cylinder (5081), and the back of the adjusting cylinder (5081) is fixedly connected to a water spray pipe (5085), the output end of which is arranged toward the raw material rod.

6. A positioning and cutting device for motor shaft processing according to claim 1, characterized in that: The positioning mechanism (2) comprises a driving motor (1) fixedly connected to a base (3); a clamping frame (202) for fixing the end of a motor shaft is fixedly mounted on the output end of the driving motor (1); a bolt (201) is threadedly connected to the clamping frame (202); a pressing cylinder (205) is fixedly mounted on the front side of the mounting plate (8); a pressing wheel (204) is rotatably provided at the protruding end of the pressing cylinder (205) and is rollingly connected to the outer edge surface of the motor shaft.

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