CN112548744A

CN112548744A - Post-treatment process for casting motor end cover

Info

Publication number: CN112548744A
Application number: CN202011440412.9A
Authority: CN
Inventors: 陈天翔; 张荣荣
Original assignee: Anhui Zheyu Information Technology Co ltd
Current assignee: Anhui Zheyu Information Technology Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-03-26

Abstract

The invention discloses a post-treatment process for casting a motor end cover, which comprises the following process steps: inner cavity fixing, outer wall polishing, device state adjusting, outer wall clamping and fixing and inner cavity polishing; the end cover processing device comprises a base, a supporting frame and a moving seat, wherein an inner cavity polishing mechanism and an inner cavity clamping mechanism are arranged on the base, and the moving seat comprises a moving seat body, a turnover workbench, a first telescopic rod, a polishing cylinder, a second telescopic rod and an outer wall clamping unit.

Description

Post-treatment process for casting motor end cover

Technical Field

The invention belongs to the technical field of motor end cover casting and processing, and particularly relates to a post-treatment process for motor end cover casting and processing.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law, the motor is widely applied to electric tools and mechanical equipment in life and production, a motor end cover is an important component of the motor, burrs and the like are often generated on the surface of the motor end cover after casting and machining, the motor end cover can be packaged and warehoused after further treatment, most of the existing machining treatment modes of the motor end cover after casting are manual treatment, the mode has low treatment efficiency and poor treatment effect, and potential safety hazards such as personal injury accidents and the like can be caused due to poor clamping effect.

Disclosure of Invention

The invention aims to provide a treatment process after casting and machining of a motor end cover, which solves the problems in the prior art.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a motor end cover casting post-processing technology, it has used an end cover processing apparatus, and this end cover processing apparatus includes the base, sets up the support frame on the base and sets up the removal seat on the support frame, adopts the motor end cover casting post-processing technology step of above-mentioned end cover processing apparatus as follows:

s1, fixing the inner cavity: manually placing the motor end cover on the clamping base, and fixing the motor end cover from the inside by the inner cavity clamping mechanism;

s2, polishing the outer wall: the grinding cylinder is used for grinding the outer wall of the motor end cover;

s3, adjusting device state: the outer wall clamping unit faces downwards by adjusting the turnover workbench, so that subsequent work is facilitated;

s4, clamping and fixing the outer wall: the outer wall clamping unit clamps and fixes the outer wall of the motor end cover;

s5, polishing the inner cavity: the inner cavity polishing mechanism polishes the inner cavity of the motor end cover;

the base comprises four upright posts and a workbench, the workbench is arranged on the ground through the upright posts, and an inner cavity polishing mechanism and an inner cavity clamping mechanism are arranged on the workbench;

the support frame comprises four support columns, the lower ends of the support columns are connected with the workbench, a first slide rail and a second slide rail are respectively arranged at the upper ends of the support columns, a first support plate and a second support plate are respectively arranged on the workbench, a screw rod is arranged between the first support plate and the second support plate and is movably matched with the first support plate and the second support plate through bearings, a moving seat motor is arranged on a moving seat motor support plate, the moving seat motor support plate is arranged on the side surface of the second support plate, and an output shaft of the moving seat motor is connected with the screw rod;

the movable seat comprises a movable seat body, a turnover workbench, a first telescopic rod, a polishing cylinder, a second telescopic rod and an outer wall clamping unit, the movable seat body is of a structure with a hole in the middle of a cuboid, the movable seat body is arranged on a first slide rail and a second slide rail and is in sliding fit with the first slide rail and the second slide rail, a lead screw penetrates through the movable seat body and is in threaded fit with the movable seat body, the turnover workbench is arranged in a hole in the middle of the movable seat body, the upper end face and the lower end face of the turnover workbench are respectively provided with the first telescopic rod and the second telescopic rod, the tail ends of the first telescopic rod and the second telescopic rod are respectively provided with the polishing cylinder and the outer wall clamping unit, a turnover round rod penetrates through the turnover workbench and is fixedly connected with the turnover workbench, two ends of the turnover round rod are respectively movably connected with the movable seat body through bearings, a turnover driven gear is arranged on the turnover round rod, a turnover driving gear, bearing shaft one end passes through bearing swing joint with the removal seat body, and the upset driving gear meshes with upset driven gear mutually, and the upset motor is installed on upset motor loading board, and the upset motor loading board is installed in the removal seat body outside, and the output shaft and the bearing shaft of upset motor are connected.

Further, inner chamber grinding machanism includes the seat of polishing, the pivot of polishing and the head of polishing, and the seat of polishing fixed mounting is on the workstation, and the pivot of polishing is installed on the seat of polishing, and the head of polishing is installed in the pivot of polishing with detachable mode.

Further, inner chamber fixture includes centre gripping base, centre gripping unit and centre gripping drive unit, and centre gripping base fixed mounting is on the workstation, and the centre gripping unit is installed on the centre gripping base, and centre gripping drive unit fixed mounting is terminal surface under the workstation.

Further, the centre gripping unit is including rotating the disc, spacing arc leads to the groove, spacing post, centre gripping post, spacing guide way and rotation post, rotates the disc and installs on the centre gripping base through rotating the post, is equipped with a plurality of spacing arc and leads to the groove on the rotation disc, and movable mounting has spacing post in the spacing arc leads to the groove, spacing toe end and centre gripping post fixed connection, centre gripping post front end is provided with the rubber holding head, and spacing guide way sets up on the centre gripping base, and centre gripping toe portion is provided with the slider with spacing guide way sliding fit.

Further, centre gripping drive unit includes the cylinder backup pad, the centre gripping cylinder, L type rack, spacing spout, centre gripping drive gear and connecting axle, cylinder backup pad fixed mounting is terminal surface under the workstation, the centre gripping cylinder is installed in the cylinder backup pad, terminal surface under the workstation is fixed mounting to spacing spout, L type rack and centre gripping cylinder fixed connection, be provided with on the L type rack with spacing spout sliding fit's slider, centre gripping drive gear passes through the connecting axle and installs terminal surface under the workstation, centre gripping drive gear and L type rack meshing, the connecting axle runs through workstation and centre gripping base and passes through the bearing with the workstation and be connected, the connecting axle upper end is connected with the rotation post lower extreme.

Further, the polishing barrel comprises an outer barrel, an inner barrel and a buffer spring, the buffer spring is arranged between the outer barrel and the inner barrel, and the polishing barrel is detachably mounted at the tail end of the first telescopic rod through a polishing barrel connecting shaft.

Further, outer wall centre gripping unit includes centre gripping loading board, clamping part, centre gripping driving gear and centre gripping motor, and centre gripping loading board fixed mounting is at second telescopic link tail end, and two clamping part symmetries are installed on the centre gripping loading board, and the centre gripping driving gear passes through gear shaft movable mounting on the centre gripping loading board, and the terminal surface is installed under the centre gripping loading board to the centre gripping motor, and the output shaft of centre gripping motor is connected with the gear shaft of centre gripping driving gear.

Further, the clamping parts comprise clamping driven gears, clamping head connecting plates, clamping heads and rotating rods, the clamping driven gears are movably mounted on the upper end face of the clamping bearing plate through gear shafts, the clamping driven gears of the two clamping parts are meshed with each other, the clamping head connecting plates are arranged on the clamping driven gears, the other ends of the clamping head connecting plates are hinged to the clamping heads, one ends of the rotating rods are hinged to the clamping bearing plates, the other ends of the rotating rods are hinged to the clamping heads, arc-shaped clamping concave surfaces are arranged on the clamping heads, rubber pads are arranged on the arc-shaped clamping concave surfaces, the rubber pads can prevent the outer wall of a workpiece from being scratched, and the clamping driving gears are meshed with the clamping driven gears.

The invention has the beneficial effects that:

the inner cavity clamping mechanism provided by the invention can be used for clamping and fixing the inner part of the motor end cover, so that the outer wall of the motor end cover can be conveniently polished, after the outer wall of the motor end cover is processed, the overturning workbench is adjusted, the outer wall clamping unit can be used for clamping and fixing the outer wall of the motor end cover, the moving seat is adjusted, so that the inner cavity polishing mechanism can be used for polishing the inner cavity of the motor end cover, the processing efficiency is improved through the matching of the overturning workbench and the moving seat, the processing effect is enhanced, and the risk of human injury accidents is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of a portion X of FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of a portion of the Y section of FIG. 2 according to the present invention;

FIG. 6 is a cross-sectional view of a sanding cartridge of the present invention;

FIG. 7 is a schematic structural view of a motor end cover to which the present invention is directed;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7, a post-processing process for casting a motor end cover uses an end cover processing apparatus, which includes a base 1, a supporting frame 2 disposed on the base 1, and a movable base 3 disposed on the supporting frame 2, and the post-processing process for casting a motor end cover using the end cover processing apparatus includes the following steps:

s1, fixing the inner cavity: the motor end cover is manually placed on the clamping base 141, and the inner cavity clamping mechanism 14 fixes the motor end cover from the inside;

s2, polishing the outer wall: the grinding cylinder 34 is used for grinding the outer wall of the motor end cover;

s3, adjusting device state: the outer wall clamping unit 36 faces downwards by adjusting the turnover worktable 12, so that the subsequent work is facilitated;

s4, clamping and fixing the outer wall: the outer wall clamping unit 36 clamps and fixes the outer wall of the motor end cover;

s5, polishing the inner cavity: the inner cavity polishing mechanism 13 polishes the inner cavity of the motor end cover;

the base 1 comprises four upright posts 11 and a workbench 12, the workbench 12 is installed on the ground through the upright posts 11, an inner cavity polishing mechanism 13 and an inner cavity clamping mechanism 14 are arranged on the workbench 12, the inner cavity polishing mechanism 13 comprises a polishing seat 131, a polishing rotating shaft 132 and a polishing head 133, the polishing seat 131 is fixedly installed on the workbench 12, the polishing rotating shaft 132 is installed on the polishing seat 131, the polishing head 133 is installed on the polishing rotating shaft 132 in a detachable mode, the polishing head 133 is convenient to replace and maintain in a detachable mode, the inner cavity clamping mechanism 14 comprises a clamping base 141, a clamping unit 142 and a clamping driving unit 143, the clamping base 141 is fixedly installed on the workbench 12, the clamping unit 142 is installed on the clamping base 141, the clamping driving unit 143 is fixedly installed on the lower end face of the workbench 12, the clamping unit 142 comprises a rotating disc 1421, a limiting arc-shaped through groove 2, a limiting, Centre gripping post 1424, spacing guide way 1425 and rotation post 1427, the rolling disc 1421 is installed on centre gripping base 141 through rotation post 1427, be equipped with a plurality of spacing arc logical grooves 1422 on the rolling disc 1421, movable mounting has spacing post 1423 in the spacing arc logical groove 1422, spacing post 1423 bottom and centre gripping post 1424 fixed connection, centre gripping post 1424 front end is provided with rubber clamping head 1426, rubber clamping head 1426 can prevent fish tail work piece inner wall, spacing guide way 1425 sets up on centre gripping base 141, centre gripping post 1424 bottom is provided with the slider with spacing guide way 1425 sliding fit. The clamping driving unit 143 includes a cylinder supporting plate 1431, a clamping cylinder 1432, an L-shaped rack 1433, a limiting sliding groove 1434, a clamping driving gear 1435 and a connecting shaft 1436, the cylinder supporting plate 1431 is fixedly installed on the lower end face of the workbench 12, the clamping cylinder 1432 is installed on the cylinder supporting plate 1431, the limiting sliding groove 1434 is fixedly installed on the lower end face of the workbench 12, the L-shaped rack 1433 is fixedly connected with the clamping cylinder 1432, a sliding block in sliding fit with the limiting sliding groove 1434 is arranged on the L-shaped rack 1433, the clamping driving gear 1435 is installed on the lower end face of the workbench 12 through the connecting shaft 1436, the clamping driving gear 1435 is meshed with the L-shaped rack 1433, the connecting shaft 1436 penetrates through the workbench 12 and the clamping base 141 and is connected with the workbench 12 through a bearing, and the upper end of the.

Support frame 2 includes four support columns 21, support column 21 lower extreme is connected with workstation 12, first slide rail 22 is installed respectively in support column 21 upper end with second slide rail 23, first backup pad 24 is installed respectively on workstation 12 with second backup pad 25, lead screw 26 is installed between first backup pad 24 and second backup pad 25, and pass through bearing clearance fit with first backup pad 24 and second backup pad 25, it installs on removing a motor support plate 28 to remove a motor 27, it installs in second backup pad 25 side to remove a motor support plate 28, the output shaft and the lead screw 26 of removing a motor 27 are connected.

The movable seat 3 comprises a movable seat body 31, a turnover worktable 32, a first telescopic rod 33, a polishing cylinder 34, a second telescopic rod 35 and an outer wall clamping unit 36, the movable seat body 31 is of a structure with a hole in the middle of a cuboid, the movable seat body 31 is arranged on a first slide rail 22 and a second slide rail 23 and is in sliding fit with the first slide rail 22 and the second slide rail 23, a lead screw 26 penetrates through the movable seat body 31 and is in threaded fit with the movable seat body 31, the turnover worktable 32 is arranged in a hole in the middle of the movable seat body 31, the upper end face and the lower end face of the turnover worktable 32 are respectively provided with the first telescopic rod 33 and the second telescopic rod 35, the tail ends of the first telescopic rod 33 and the second telescopic rod 35 are respectively provided with the polishing cylinder 34 and the outer wall clamping unit 36, the turnover round rod 39 penetrates through the turnover worktable 32 and is fixedly connected with the turnover worktable 32, two ends of the turnover round rod 39 are respectively movably connected with the, be equipped with upset driven gear 38 on upset round bar 39, upset driving gear 37 is installed in the hole in the middle of removing seat body 31 through bearing axle 371, bear axle 371 one end and pass through bearing swing joint with removing seat body 31, upset driving gear 37 meshes with upset driven gear 38 mutually, upset motor 373 installs on upset motor loading board 372, upset motor loading board 372 installs in removing the seat body 31 outside, upset motor 373's output shaft with bear axle 371 and be connected, upset motor 373 drives upset driving gear 37 and rotates, thereby drive the upset driven gear 38 rotation with upset driving gear 37 engaged mutually, and then drive upset workstation 32 through upset round bar 39 and realize one hundred eighty degrees upsets.

The polishing barrel 34 comprises an outer barrel 341, an inner barrel 342 and a buffer spring 343, the buffer spring 343 is arranged between the outer barrel 341 and the inner barrel 342, the polishing barrel 34 is detachably mounted at the tail end of the first telescopic rod 33 through a polishing barrel connecting shaft 344, and the polishing barrel 34 is conveniently replaced and maintained in a detachable mounting mode.

The outer wall clamping unit 36 includes a clamping bearing plate 361, two clamping portions 362, a clamping driving gear 363 and a clamping motor 364, the clamping bearing plate 361 is fixedly installed at the tail end of the second telescopic rod 35, the two clamping portions 362 are symmetrically installed on the clamping bearing plate 361, the clamping driving gear 363 is movably installed on the clamping bearing plate 361 through a gear shaft, the clamping motor 364 is installed at the lower end face of the clamping bearing plate 361, and an output shaft of the clamping motor 364 is connected with the gear shaft of the clamping driving gear 363. The clamping portions 362 comprise a clamping driven gear 3621, clamping head connecting plates 3622, clamping heads 3623 and rotating rods 3624, the clamping driven gear 3621 is movably mounted on the upper end face of a clamping bearing plate 361 through a gear shaft, the clamping driven gears 3621 of the two clamping portions 362 are meshed with each other, the clamping driven gear 3621 is provided with the clamping head connecting plates 3622, the other end of each clamping head connecting plate 3622 is hinged to the corresponding clamping head 3623, one end of each rotating rod 3624 is hinged to the corresponding clamping bearing plate 361, the other end of each rotating rod is hinged to the corresponding clamping head 3623, an arc-shaped clamping concave surface 36231 is formed in each clamping head 3623, rubber pads are arranged on each arc-shaped clamping concave surface 36231 and can prevent the outer wall of a workpiece from being scratched, and the clamping driving gear 363 is meshed with.

During operation, the motor cover is placed on the clamping base 141, the clamping cylinder 1432 moves to drive the L-shaped rack 1433 to move under the limit of the limit sliding slot 1434, the L-shaped rack 1433 drives the clamping driving gear 1435 engaged with the L-shaped rack 1433 to rotate, the clamping driving gear 1435 drives the rotating disc 1421 to rotate through the connecting shaft 1436, so as to drive the limit column 1423 to move under the limit action of the limit arc-shaped through slot 1422, the limit column 1423 drives the clamping column 1424 connected with the limit column 1423 to move in the direction away from the center of the rotating disc 1421 under the limit action of the limit guide slot 1425, so that the clamping column 1424 abuts against the inner wall of the motor cover, the motor cover is fixed from the inside, the moving seat motor 27 drives the screw rod 26 to rotate, the screw rod 26 drives the moving seat body 31 in threaded fit with the screw rod 26 to move along the axis direction of the screw rod 26 under the limit action of the first sliding rail 22 and the second sliding rail 23 until the, the first telescopic rod 33 moves to drive the grinding cylinder 34 to move downwards to a proper position, the grinding cylinder 34 polishes and cleans the outer part of a motor end cover arranged on the clamping base 141, after polishing is completed, the first telescopic rod 33 moves to drive the grinding cylinder 34 to move upwards to a proper position, the overturning motor 373 drives the overturning driving gear 37 to rotate, so as to drive the overturning driven gear 38 meshed with the overturning driving gear 37 to rotate, further the overturning worktable 32 is driven by the overturning round rod 39 to realize one-hundred-eighty degree overturning, the second telescopic rod 35 moves to drive the outer wall clamping unit 36 to move downwards to a proper position, the clamping motor 364 works to drive the clamping driving gear 363 to rotate, so as to drive the clamping driven gear 3621 meshed with the clamping driving gear 363 to rotate, further the two mutually meshed clamping driven gears 3621 rotate, under the action of the clamping head connecting plate 3622 and the rotating rod 3624, thereby two holding heads 3623 are close to each other and grasp the outer wall of motor end cover, the motion of second telescopic link 35, drive outer wall clamping unit 36 upward movement to suitable position, it drives lead screw 26 and rotates to remove a motor 27, make and remove seat body 31 and remove directly over seat 131 of polishing, the motion of second telescopic link 35, drive outer wall clamping unit 36 downward movement to suitable position, polish the motor end cover inner chamber of 36 centre grippings of outer wall clamping unit 133, and then realize the processing of polishing to motor end cover outer wall and inner chamber.

The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.

Claims

1. The utility model provides a motor end cover casting post-processing technology, it has used an end cover processing apparatus, this end cover processing apparatus includes base (1), sets up support frame (2) on base (1) and sets up removal seat (3) on support frame (2), its characterized in that, adopts above-mentioned end cover processing apparatus's motor end cover casting post-processing technology step as follows:

s1, fixing the inner cavity: the motor end cover is manually placed on the clamping base (141), and the inner cavity clamping mechanism (14) fixes the motor end cover from the inside;

s2, polishing the outer wall: the grinding cylinder (34) is used for grinding the outer wall of the motor end cover;

s3, adjusting device state: the outer wall clamping unit (36) faces downwards by adjusting the turnover workbench (12), so that the subsequent work is facilitated;

s4, clamping and fixing the outer wall: the outer wall clamping unit (36) clamps and fixes the outer wall of the motor end cover;

s5, polishing the inner cavity: an inner cavity polishing mechanism (13) polishes the inner cavity of the motor end cover;

the base (1) comprises four upright posts (11) and a workbench (12), the workbench (12) is installed on the ground through the upright posts (11), and an inner cavity polishing mechanism (13) and an inner cavity clamping mechanism (14) are arranged on the workbench (12);

the support frame (2) comprises four support columns (21), the lower ends of the support columns (21) are connected with the workbench (12), a first slide rail (22) and a second slide rail (23) are respectively installed at the upper ends of the support columns (21), a first support plate (24) and a second support plate (25) are respectively installed on the workbench (12), a screw rod (26) is installed between the first support plate (24) and the second support plate (25) and is movably matched with the first support plate (24) and the second support plate (25) through a bearing, a moving seat motor (27) is installed on a moving seat motor support plate (28), the moving seat motor support plate (28) is installed on the side surface of the second support plate (25), and an output shaft of the moving seat motor (27) is connected with the screw rod (26);

the movable seat (3) comprises a movable seat body (31), a turnover worktable (32), a first telescopic rod (33), a polishing barrel (34), a second telescopic rod (35) and an outer wall clamping unit (36), the movable seat body (31) is of a structure with a hole in the middle of a cuboid, the movable seat body (31) is installed on a first slide rail (22) and a second slide rail (23) and is in sliding fit with the first slide rail (22) and the second slide rail (23), a lead screw (26) penetrates through the movable seat body (31) and is in threaded fit with the movable seat body (31), the turnover worktable (32) is installed in the hole in the middle of the movable seat body (31), the upper end surface and the lower end surface of the turnover worktable (32) are respectively provided with the first telescopic rod (33) and the second telescopic rod (35), the tail ends of the first telescopic rod (33) and the second telescopic rod (35) are respectively provided with the polishing barrel (34) and the outer wall clamping unit (36), upset round bar (39) run through upset workstation (32), and with upset workstation (32) fixed connection, the both ends of upset round bar (39) pass through bearing swing joint with removal seat body (31) respectively, be equipped with upset driven gear (38) on upset round bar (39), install in the hole in the middle of removal seat body (31) upset driving gear (37) through bearing axle (371), bearing axle (371) one end passes through bearing swing joint with removal seat body (31), upset driving gear (37) meshes with upset driven gear (38) mutually, install on upset motor loading board (372) upset motor loading board (373), install in removal seat body (31) the outside upset motor loading board (372), the output shaft and the bearing axle (371) of upset motor (373) are connected.

2. The casting processing post-treatment process for the motor end cover according to claim 1, characterized in that: the inner cavity polishing mechanism (13) comprises a polishing seat (131), a polishing rotating shaft (132) and a polishing head (133), the polishing seat (131) is fixedly installed on the workbench (12), the polishing rotating shaft (132) is installed on the polishing seat (131), and the polishing head (133) is installed on the polishing rotating shaft (132) in a detachable mode.

3. The casting processing post-treatment process for the motor end cover according to claim 2, characterized in that: the inner cavity clamping mechanism (14) comprises a clamping base (141), a clamping unit (142) and a clamping driving unit (143), the clamping base (141) is fixedly installed on the workbench (12), the clamping unit (142) is installed on the clamping base (141), and the clamping driving unit (143) is fixedly installed on the lower end face of the workbench (12).

4. The casting processing post-treatment process for the motor end cover according to claim 3, characterized in that: the clamping unit (142) comprises a rotating disc (1421), a limiting arc-shaped through groove (1422), a limiting column (1423), a clamping column (1424), a limiting guide groove (1425) and a rotating column (1427), the rotating disc (1421) is installed on the clamping base (141) through the rotating column (1427), the rotating disc (1421) is provided with a plurality of limiting arc-shaped through grooves (1422), the limiting column (1423) is movably installed in the limiting arc-shaped through groove (1422), the bottom end of the limiting column (1423) is fixedly connected with the clamping column (1424), the front end of the clamping column (1424) is provided with a rubber clamping head (1426), the limiting guide groove (1425) is arranged on the clamping base (141), and the bottom of the clamping column (1424) is provided with a sliding block which is in sliding fit with the limiting guide groove (1425).

5. The casting processing post-treatment process for the motor end cover according to claim 4, wherein the casting processing post-treatment process comprises the following steps: the clamping driving unit (143) comprises a cylinder supporting plate (1431), a clamping cylinder (1432), an L-shaped rack (1433), a limiting sliding groove (1434), a clamping driving gear (1435) and a connecting shaft (1436), the cylinder supporting plate (1431) is fixedly installed on the lower end face of the workbench (12), the clamping cylinder (1432) is installed on the cylinder supporting plate (1431), the limiting sliding groove (1434) is fixedly installed on the lower end face of the workbench (12), the L-shaped rack (1433) is fixedly connected with the clamping cylinder (1432), a sliding block in sliding fit with the limiting sliding groove (1434) is arranged on the L-shaped rack (1433), the clamping driving gear (1435) is installed on the lower end face of the workbench (12) through the connecting shaft (1436), the clamping driving gear (1435) is meshed with the L-shaped rack (1433), the connecting shaft (1436) penetrates through the workbench (12) and the clamping base (141) and is connected with the workbench (12) through a, the upper end of the connecting shaft (1436) is connected with the lower end of the rotating column (1427).

6. The casting processing post-treatment process for the motor end cover according to claim 1, characterized in that: the polishing barrel (34) comprises an outer barrel (341), an inner barrel (342) and a buffer spring (343), the buffer spring (343) is arranged between the outer barrel (341) and the inner barrel (342), and the polishing barrel (34) is detachably mounted at the tail end of the first telescopic rod (33) through a polishing barrel connecting shaft (344).

7. The casting processing post-treatment process for the motor end cover according to claim 6, wherein the casting processing post-treatment process comprises the following steps: the outer wall clamping unit (36) comprises a clamping bearing plate (361), clamping parts (362), a clamping driving gear (363) and a clamping motor (364), the clamping bearing plate (361) is fixedly installed at the tail end of the second telescopic rod (35), the two clamping parts (362) are symmetrically installed on the clamping bearing plate (361), the clamping driving gear (363) is movably installed on the clamping bearing plate (361) through a gear shaft, the clamping motor (364) is installed on the lower end face of the clamping bearing plate (361), and an output shaft of the clamping motor (364) is connected with the gear shaft of the clamping driving gear (363).

8. The casting processing post-treatment process for the motor end cover according to claim 7, characterized in that: the clamping parts (362) comprise clamping driven gears (3621), clamping head connecting plates (3622), clamping heads (3623) and rotating rods (3624), the clamping driven gears (3621) are movably mounted on the upper end face of the clamping bearing plate (361) through gear shafts, the clamping driven gears (3621) of the two clamping parts (362) are meshed with each other, the clamping driven gears (3621) are provided with the clamping head connecting plates (3622), the other ends of the clamping head connecting plates (3622) are hinged with the clamping heads (3623), one end of each rotating rod (3624) is hinged with the clamping bearing plate (361), the other end of each rotating rod is hinged with the clamping heads (3623), each clamping head (3623) is provided with an arc-shaped clamping concave surface (36231), each arc-shaped clamping concave surface (36231) is provided with a rubber pad, and the rubber pads can prevent the outer wall, the clamping driving gear (363) is meshed with the clamping driven gear (3621) of one clamping part (362).