Polishing device for motor shell

Abstract

The utility model relates to a polishing device for a motor shell. The polishing device comprises a base, two brackets are fixedly connected to the top of the base; the two brackets are oppositely arranged; the side walls of the two supports are connected with sliding rods in a sliding mode. The bottom of the sliding rod is slidably connected with a polishing machine. A first supporting rod is fixedly connected to the top of the base; the end part of the first supporting rod is fixedly connected with a driver; the output end of the driver is fixedly connected with a fixed rod; the middle part of the fixed rod is fixedly connected with a plurality of groups of elastic plates; the elastic plate is arranged in an arc shape; the side wall of the elastic plate is fixedly connected with a first spring; the first spring is fixedly connected to the position close to the end of the elastic plate. The other end of the first spring is fixedly connected to the middle of the fixing rod. By rotating the motor shell during polishing, all parts of the motor shell can be effectively and uniformly polished, the motor shell can effectively achieve the consistent polishing effect, and the problem that the appearance is different due to uneven polishing of the motor shell is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor production, in particular to a motor shell polishing device. Background Art

[0002] The motor casing, also known as the motor housing, is an important component of the electric motor. The motor casing can protect the internal components of the motor from external damage and invasion.

[0003] During the production process, the motor housing will have defects such as unevenness and burrs on the surface, so the motor housing is polished during the production process. The polishing tool is controlled to rotate at high speed and then come into contact with the surface of the motor housing, so that the surface of the motor housing can achieve the required finish and smoothness.

[0004] During the polishing process of the motor casing, the motor casing is fixed and then polished. When one side is polished, the equipment is turned off, and then the position of the polishing surface of the motor casing is adjusted for polishing. This can easily lead to uneven polishing of the entire motor casing and inconsistent polishing effects on the surface of the motor casing. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a motor housing polishing device;

[0006] In one embodiment of the utility model, the utility model comprises a base; two brackets are fixedly connected to the top of the base; the two brackets are arranged oppositely; the side walls of the two brackets are slidably connected to a slide rod; the bottom of the slide rod is slidably connected to a polishing machine; the top of the base is fixedly connected to a first support rod; the end of the first support rod is fixedly connected to a driver; the output end of the driver is fixedly connected to a fixed rod; the middle of the fixed rod is fixedly connected to multiple groups of elastic plates; the elastic plate is arranged in an arc shape; the side wall of the elastic plate is fixedly connected to a first spring; the first spring is fixedly connected to a position close to the end of the elastic plate; the other end of the first spring is fixedly connected to the middle of the fixed rod; by rotating the motor housing during polishing, each part of the motor housing can be evenly polished, the motor housing can be effectively polished to achieve a consistent polishing effect, the problem of uneven polishing of the motor housing causing differences in appearance can be effectively reduced, the polishing disc can always maintain good contact with the surface of the motor housing, the problem of inconsistent and unstable polishing effects caused by manually adjusting the motor housing can be effectively reduced, the problem of excessive polishing of some areas caused by the static state of the motor housing during polishing can be effectively reduced, the damage to the surface of the motor housing can be effectively reduced, and the quality and efficiency of polishing of the motor housing can be effectively improved.

[0007] In one embodiment of the utility model, two elastic rods are fixedly connected to the middle part of the fixed rod; the two elastic rods are fixedly connected at positions close to the end of the fixed rod; the two elastic rods are arranged oppositely; the fixed rod is fixedly connected to two second support rods at one end away from the elastic rod; the two second support rods are arranged oppositely; the side wall of the second support rod is fixedly connected to an elastic telescopic rod; the side wall of the second support rod is fixedly connected to a second spring; the second spring is fixedly connected to the corresponding elastic telescopic rod position; the second spring is fixedly connected to the outside of the elastic telescopic rod; the elastic telescopic rod and the end of the second spring are fixedly connected to a fixing plate; the fixing plate can be used to fix motor casings of different sizes, which can effectively keep the motor casing stable during the polishing process, effectively reduce the problem of movement or shaking of the motor casing during the polishing process, effectively make the polishing disc accurately contact with the motor casing, effectively increase the uniformity and accuracy of the polishing of the motor casing, and effectively reduce the uneven polishing and scratches on the surface caused by the movement or shaking of the motor casing, which can effectively improve the overall quality and appearance of the polishing of the motor casing.

[0008] In one embodiment of the utility model, a first connecting seat is fixedly connected to the end of the polishing machine; a slide groove is provided in the middle of the first connecting seat; two fixed grooves are provided on the top of the slide groove; the two fixed grooves are arranged oppositely; a second connecting seat is installed in the middle of the first connecting seat; two telescopic blocks are fixedly connected to the middle of the second connecting seat; the two telescopic blocks are arranged oppositely; the telescopic block is fixed near the end of the second connecting seat; a third spring is fixedly connected to the middle of the telescopic block; a polishing disc is fixedly connected to the end of the second connecting seat; by installing the polishing disc on the polishing machine, it can adapt to different polishing needs, different polishing discs can be replaced to polish the motor housing, different motor housing materials can be polished, the polishing disc can be replaced simply and quickly, and the subsequent maintenance of the polishing disc can be more convenient, effectively reducing the time and cost of polishing disc maintenance.

[0009] In one embodiment of the utility model, a first connecting rod is fixedly connected to the side wall of the first support rod; a second connecting rod is fixedly connected to the end of the first connecting rod; and a plurality of groups of bristles are fixedly connected to the middle part of the second connecting rod; the bristles can effectively reduce tiny particles attached to the surface of the motor housing during the polishing process, effectively reduce tiny particles and impurities that hinder the direct contact between the polishing disc and the motor housing, effectively reduce the problem of tiny particles and impurities on the surface of the motor housing causing a decrease in the polishing effect, and can effectively reduce the wear or damage to the polishing disc caused by impurities and particles, and effectively increase the smoothness and uniformity of the polishing of the motor housing surface.

[0010] In one embodiment of the utility model, a vacuum cleaner is fixedly connected to the top of the base; a vacuum tube is fixedly connected to the middle of the vacuum cleaner; the end of the second connecting rod is hollow; the other end of the vacuum tube is fixedly connected to the end of the second connecting rod; a plurality of air suction holes are provided in the middle of the second connecting rod; two baffles are fixedly connected to the middle of the second connecting rod; the baffles are fixedly connected to the corresponding air suction holes; the baffles are arc-shaped; by sucking the polishing chips of the motor housing into the vacuum cleaner for collection, dust pollution caused by the polishing chips floating in the air can be effectively reduced, the working environment can be effectively kept clean, the polishing chips floating and reattaching to the surface of the motor housing to reduce the polishing effect can be effectively reduced, and the problem of polishing chips adhering to the surface of surrounding equipment to cause erosion can be effectively reduced, thereby effectively improving the cleanliness and safety of the working environment.

[0011] In one embodiment of the utility model, the side wall of the elastic plate is provided with multiple groups of grooves; the multiple groups of grooves are provided on the side away from the first spring; a roller is rotatably connected to the middle of the groove; the roller can effectively reduce the friction between the motor housing and the surface of the elastic plate during the movement, effectively reduce the friction between the motor housing and the surface of the elastic plate, make the motor housing smoother when fixed in the middle of the fixing rod, effectively reduce the obstruction of the motor housing when moving, can effectively protect the elastic plate and the motor housing from damage, effectively push the motor housing to the specified position, and effectively improve the efficiency of fixing the motor housing.

[0012] In one embodiment of the utility model, a rubber pad is installed in the middle of the drum; the rubber pad is fixedly connected to the middle of the drum; the rubber pad can effectively reduce the direct contact between the motor housing and the drum, effectively reduce the friction between the drum and the inner wall of the motor housing, effectively reduce the problem of wear caused by friction on the inner wall of the motor housing, effectively reduce scratches on the inner wall of the motor housing during polishing, effectively protect the surface of the drum and the motor housing, and effectively increase the service life of the drum and the motor housing.

[0013] In one embodiment of the utility model, sound-absorbing cotton is installed in the middle of the fixing rod; the sound-absorbing cotton is fixedly connected to the middle of the fixing rod; the sound-absorbing cotton can effectively reduce the impact of noise generated during the polishing of the motor housing on the working environment, effectively reduce the damage to hearing caused by being in a noisy environment for a long time, effectively increase the comfort of the working environment, effectively reduce the decline in work concentration caused by noise, and improve the work efficiency of motor polishing.

[0014] The above technical solution of the utility model has the following advantages compared with the prior art:

[0015] The utility model discloses a motor casing polishing device, which effectively makes all parts of the motor casing evenly polished by rotating the motor casing during polishing, and can effectively make the motor casing achieve a consistent polishing effect, and effectively reduce the problem of appearance differences caused by uneven polishing of the motor casing.

[0016] The motor casing polishing device described in the utility model can fix motor casings of different sizes through a fixing plate, can effectively keep the motor casing stable during the polishing process, effectively reduce the problem of movement or shaking of the motor casing during the polishing process, and effectively make the polishing disc contact the motor casing accurately. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments of the utility model in combination with the accompanying drawings.

[0018] Figure 1 It is a three-dimensional diagram of a motor housing polishing device in the utility model;

[0019] Figure 2 It is a structural schematic diagram of the fixed plate in the utility model;

[0020] Figure 3 It is a structural schematic diagram of the fixing groove in the utility model;

[0021] Figure 4 It is a structural schematic diagram of the telescopic block in the utility model;

[0022] Figure 5 It is a structural schematic diagram of the roller in the utility model;

[0023] Figure 6 It is a structural schematic diagram of the roller in the utility model;

[0024] Explanation of the reference numerals in the specification: 1. base; 10. bracket; 11. slide rod; 12. polisher; 13. first support rod; 14. driver; 15. fixed rod; 16. elastic plate; 17. first spring; 2. elastic rod; 21. second support rod; 22. elastic telescopic rod; 23. second spring; 24. fixed plate; 3. first connecting seat; 31. slide groove; 32. fixed groove; 33. second connecting seat; 34. telescopic block; 35. third spring; 36. polishing disc; 4. first connecting rod; 41. second connecting rod; 42. bristles; 5. vacuum cleaner; 51. vacuum tube; 52. suction hole; 53. baffle; 6. groove; 61. roller; 7. rubber pad; 8. sound-absorbing cotton. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0026] Reference Figure 1 , Figure 2 , Figure 5 As shown, it includes a base 1; two brackets 10 are fixedly connected to the top of the base 1; the two brackets 10 are arranged oppositely; the side walls of the two brackets 10 are slidably connected to a slide bar 11; the bottom of the slide bar 11 is slidably connected to a polishing machine 12; a first support rod 13 is fixedly connected to the top of the base 1; a driver 14 is fixedly connected to the end of the first support rod 13; a fixed rod 15 is fixedly connected to the output end of the driver 14; a plurality of groups of elastic plates 16 are fixedly connected to the middle of the fixed rod 15; the elastic plate 16 is arranged in an arc shape; a first spring 17 is fixedly connected to the side wall of the elastic plate 16; the first spring 17 is fixedly connected to a position close to the end of the elastic plate 16; the other end of the first spring 17 is fixedly connected to the middle of the fixed rod 15; when working, the middle of the motor housing is put into the motor housing from one end of the fixed rod 15, and when the motor housing contacts the elastic plate 16, pressure is applied to the elastic plate 16, so that the elastic plate 16 is elastically bent, and the first spring 17 is elastically contracted at the same time as the elastic plate 16, and the plurality of groups of elastic plates 16 are fitted with the inner wall of the motor housing to make it The motor housing is fixed by adjusting the slide bar 11 to move up and down, and the polishing machine 12 is powered on and turned on, so that the polishing machine 12 polishes the motor housing. During the polishing process of the motor housing, the driver 14 is powered on and turned on, so that the output end of the driver 14 drives the fixed rod 15 to rotate. At this time, the motor housing fixed in the middle of the fixed rod 15 rotates at the same time, so that the motor housing is polished during the rotation process. By rotating the motor housing during polishing, the various parts of the motor housing can be polished evenly, and the motor housing can effectively achieve a consistent polishing effect, effectively reducing the problem of uneven polishing of the motor housing causing differences in appearance, and can make the polishing disk 36 always maintain good contact with the surface of the motor housing, effectively reducing the problem of inconsistent and unstable polishing effects caused by manually adjusting the motor housing, effectively reducing the problem of excessive polishing of some areas due to the static state of the motor housing during polishing, effectively reducing the damage to the surface of the motor housing, and effectively improving the quality and efficiency of the polishing of the motor housing.

[0027] Reference Figure 1 and Figure 2As shown, two elastic rods 2 are fixedly connected to the middle part of the fixing rod 15; the two elastic rods 2 are fixedly connected to the positions close to the ends of the fixing rod 15; the two elastic rods 2 are arranged oppositely; the fixing rod 15 is fixedly connected to two second support rods 21 at one end away from the elastic rod 2; the two second support rods 21 are arranged oppositely; the side wall of the second support rod 21 is fixedly connected to an elastic telescopic rod 22; the side wall of the second support rod 21 is fixedly connected to a second spring 23; the second spring 23 is fixedly connected to the position corresponding to the elastic telescopic rod 22; the second spring 23 is fixedly connected to the outside of the elastic telescopic rod 22; the ends of the elastic telescopic rod 22 and the second spring 23 are fixedly connected to a fixing plate 24; during operation, when the motor housing is put in from one end of the fixing rod 15, the two elastic rods 2 are The shell squeezes the elastic rod 2 to produce elastic bending. After the motor shell is placed in the middle of the fixed rod 15, the end of the motor shell fits against the fixed plate 24 and squeezes the elastic telescopic rod 22 and the second spring 23. The motor shell is fixed by the elastic rod 2 and the fixed plate 24. The fixed plate 24 can fix motor shells of different sizes, which can effectively keep the motor shell stable during the polishing process, effectively reduce the problem of movement or shaking of the motor shell during the polishing process, effectively make the polishing disk 36 accurately contact with the motor shell, effectively increase the uniformity and accuracy of the motor shell polishing, and can effectively reduce the uneven polishing and surface scratches caused by the movement or shaking of the motor shell, which can effectively improve the overall quality and appearance of the motor shell polishing.

[0028] Reference Figure 1 , Figure 3 , Figure 4As shown, the end of the polishing machine 12 is fixedly connected to a first connecting seat 3; a slide groove 31 is provided in the middle of the first connecting seat 3; two fixed grooves 32 are provided on the top of the slide groove 31; the two fixed grooves 32 are arranged oppositely; a second connecting seat 33 is installed in the middle of the first connecting seat 3; two telescopic blocks 34 are fixedly connected in the middle of the second connecting seat 33; the two telescopic blocks 34 are arranged oppositely; the telescopic block 34 is fixedly connected near the end of the second connecting seat 33; a third spring 35 is fixedly connected in the middle of the telescopic block 34; a polishing disc 36 is fixedly connected to the end of the second connecting seat 33; when working, the second connecting seat 33 is slid into the interior of the slide groove 31 through the two telescopic blocks 34. When the telescopic block 34 enters the interior of the slide groove 31, it is squeezed and the telescopic block 34 contracts. At the same time, the inside of the telescopic block 34 The third spring 35 of the part is elastically contracted, and when the telescopic block 34 enters the slide groove 31, the second connecting seat 33 is rotated to make the telescopic block 34 enter the corresponding fixed groove 32. When the telescopic block 34 enters the fixed groove 32, the third spring 35 is elastically reset to fix the telescopic block 34 in the fixed groove 32, and then the polishing machine 12 is turned on to make the polishing disc 36 rotate at high speed to polish the motor housing. By installing the polishing disc 36 on the polishing machine 12, it can adapt to different polishing requirements, different polishing discs 36 can be replaced to polish the motor housing, different motor housing materials can be polished, the polishing disc 36 can be replaced simply and quickly, and the subsequent maintenance of the polishing disc 36 can be more convenient, effectively reducing the time and cost of maintaining the polishing disc 36.

[0029] Reference Figure 1 and Figure 6 As shown, the first support rod 13 is fixedly connected to the side wall with a first connecting rod 4; the end of the first connecting rod 4 is fixedly connected to a second connecting rod 41; the middle part of the second connecting rod 41 is fixedly connected with multiple groups of bristles 42; during operation, when the motor housing is subjected to rotational polishing, the polishing chips generated during the polishing process of the motor housing are cleaned by the multiple groups of bristles 42, and the bristles 42 can effectively reduce the tiny particles attached to the surface of the motor housing during the polishing process, effectively reduce the tiny particles and impurities that hinder the direct contact between the polishing disc 36 and the motor housing, effectively reduce the problem of the presence of tiny particles and impurities on the surface of the motor housing causing the polishing effect to decrease, and can effectively reduce the wear or damage to the polishing disc 36 caused by impurities and particles, and effectively increase the smoothness and uniformity of the polishing of the motor housing surface.

[0030] Reference Figure 1 and Figure 6As shown, a vacuum cleaner 5 is fixedly connected to the top of the base 1; a vacuum tube 51 is fixedly connected to the middle of the vacuum cleaner 5; the end of the second connecting rod 41 is hollow; the other end of the vacuum tube 51 is fixedly connected to the end of the second connecting rod 41; a plurality of suction holes 52 are provided in the middle of the second connecting rod 41; two baffles 53 are fixedly connected to the middle of the second connecting rod 41; the baffles 53 are fixedly connected to the positions corresponding to the suction holes 52; the baffles 53 are arc-shaped; when working, when the bristles 42 clean the polishing chips on the surface of the motor housing, the polishing chips are blocked and collected by the two baffles 53, and the suction After the dust machine 5 is powered on, it is turned on, so that a negative pressure airflow is generated inside the vacuum cleaner 5. When the polishing chips are collected by the baffle 53, the polishing chips are sucked in through the multiple groups of suction holes 52, and then enter the vacuum cleaner 5 through the dust suction pipe 51 for collection. By sucking the polishing chips of the motor housing into the vacuum cleaner 5 for collection, it can effectively reduce the polishing chips floating in the air to form dust pollution, can effectively keep the working environment clean, effectively reduce the polishing chips floating and re-attaching to the surface of the motor housing to cause a decrease in the polishing effect, and can effectively reduce the problem of polishing chips adhering to the surface of surrounding equipment to cause erosion, effectively improving the cleanliness and safety of the working environment.

[0031] Reference Figure 5 As shown, the side wall of the elastic plate 16 is provided with multiple groups of grooves 6; multiple groups of the grooves 6 are provided on the side away from the first spring 17; a roller 61 is rotatably connected to the middle of the groove 6; during operation, when the motor housing passes through the elastic plate 16 on the inner wall, the multiple groups of grooves 6 fit the inner wall of the motor housing, and when the motor housing moves, the roller 61 rotates inside the groove 6 at the same time, and the roller 61 can effectively reduce the friction between the motor housing and the surface of the elastic plate 16 during the movement, effectively reduce the friction between the motor housing and the surface of the elastic plate 16, make the motor housing more smooth when fixed in the middle of the fixing rod 15, effectively reduce the obstruction of the motor housing when moving, can effectively protect the elastic plate 16 and the motor housing from damage, effectively push the motor housing to the specified position, and effectively improve the efficiency of fixing the motor housing.

[0032] Reference Figure 5 As shown, a rubber pad 7 is installed in the middle of the roller 61; the rubber pad 7 is fixedly connected to the middle of the roller 61; during operation, when the inner wall of the motor housing moves against the middle of the roller 61, the roller 61 is in contact with the inner wall of the motor housing through the rubber pad 7, and the rubber pad 7 can effectively reduce the direct contact between the motor housing and the roller 61, effectively reduce the friction between the roller 61 and the inner wall of the motor housing, effectively reduce the problem of wear caused by friction of the inner wall of the motor housing, effectively reduce the scratches on the inner wall of the motor housing during the polishing process, effectively protect the surface of the roller 61 and the motor housing, and effectively increase the service life of the roller 61 and the motor housing.

[0033] Reference Figure 1 and Figure 2As shown, sound-absorbing cotton 8 is installed in the middle of the fixing rod 15; the sound-absorbing cotton 8 is fixedly connected to the middle of the fixing rod 15; during operation, when the motor housing is polished in the middle of the fixing rod 15, the noise generated during the polishing process of the motor housing is absorbed by the sound-absorbing cotton 8. The sound-absorbing cotton 8 can effectively reduce the impact of the noise generated during the polishing process of the motor housing on the working environment, effectively reduce the damage to hearing caused by being in a noisy environment for a long time, effectively increase the comfort of the working environment, effectively reduce the decline in work concentration caused by noise, and improve the work efficiency of motor polishing.

[0034] During operation, the middle of the motor housing is put in from one end of the fixing rod 15. When the motor housing contacts the elastic plate 16, pressure is applied to the elastic plate 16 to make the elastic plate 16 bend elastically, and the first spring 17 elastically contracts along with the elastic plate 16. The motor housing is fixed by fitting multiple sets of elastic plates 16 against the inner wall of the motor housing. The sliding rod 11 is adjusted to move up and down, and the polishing machine 12 is powered on and turned on to polish the motor housing. During the polishing process of the motor housing, the driver 14 is powered on and turned on to make the output end of the driver 14 drive the fixing rod 15 to rotate. At this time, the motor fixed in the middle of the fixing rod 15 The housing rotates at the same time, so that polishing is performed during the rotation of the motor housing. When the motor housing is put in from one end of the fixing rod 15, the two elastic rods 2 are squeezed by the housing to produce elastic bending of the elastic rods 2. After the motor housing is placed in the middle of the fixing rod 15, the end of the motor housing fits with the fixing plate 24 and squeezes the elastic telescopic rod 22 and the second spring 23. The motor housing is fixed by the elastic rod 2 and the fixing plate 24, and the second connecting seat 33 is slid into the inside of the slide groove 31 through the two telescopic blocks 34. When the telescopic block 34 enters the inside of the slide groove 31, it is squeezed and the telescopic block 34 is contracted. At the same time, the third spring 35 inside the telescopic block 34 is elastically When the telescopic block 34 enters the slide groove 31, the second connecting seat 33 is rotated to make the telescopic block 34 enter the corresponding fixed groove 32. When the telescopic block 34 enters the fixed groove 32, the third spring 35 is elastically reset to fix the telescopic block 34 in the fixed groove 32. Then the polishing machine 12 is turned on to make the polishing disc 36 rotate at high speed to polish the motor housing. When the motor housing is rotating and polishing, the polishing chips generated during the polishing process of the motor housing are cleaned by multiple groups of bristles 42. When the bristles 42 clean the polishing chips on the surface of the motor housing, the polishing chips are blocked and collected by two baffles 53. When the motor housing passes through the elastic plate 16 on the inner wall, the motor housing is fitted with the inner wall of the motor housing through the multiple groups of grooves 6, and when the motor housing moves, the roller 61 rotates inside the grooves 6 at the same time, and when the inner wall of the motor housing fits the middle part of the roller 61 and moves, the roller 61 is brought into contact with the inner wall of the motor housing through the rubber pad 7, and when the motor housing is polished in the middle part of the fixed rod 15, the noise during the polishing process of the motor housing is absorbed by the sound-absorbing cotton 8.

[0035] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. A motor housing polishing device, comprising a base (1); characterized in that: Two brackets (10) are fixedly connected to the top of the base (1); the two brackets (10) are arranged opposite to each other; the side walls of the two brackets (10) are slidably connected to a sliding rod (11); the bottom of the sliding rod (11) is slidably connected to a polishing machine (12); a first support rod (13) is fixedly connected to the top of the base (1); a driver (14) is fixedly connected to the end of the first support rod (13); a fixed rod (15) is fixedly connected to the output end of the driver (14); a plurality of groups of elastic plates (16) are fixedly connected to the middle of the fixed rod (15); the elastic plate (16) is arranged in an arc shape; a first spring (17) is fixedly connected to the side wall of the elastic plate (16); the first spring (17) is fixedly connected to a position close to the end of the elastic plate (16); the other end of the first spring (17) is fixedly connected to the middle of the fixed rod (15).

2. A motor housing polishing device according to claim 1, characterized in that: Two elastic rods (2) are fixedly connected to the middle of the fixed rod (15); the two elastic rods (2) are fixedly connected to positions close to the end of the fixed rod (15); the two elastic rods (2) are arranged opposite to each other; two second support rods (21) are fixedly connected to one end of the fixed rod (15) away from the elastic rod (2); the two second support rods (21) are arranged opposite to each other; an elastic telescopic rod (22) is fixedly connected to the side wall of the second support rod (21); a second spring (23) is fixedly connected to the side wall of the second support rod (21); the second spring (23) is fixedly connected to a position corresponding to the elastic telescopic rod (22); the second spring (23) is fixedly connected to the outside of the elastic telescopic rod (22); a fixing plate (24) is fixedly connected to the ends of the elastic telescopic rod (22) and the second spring (23).

3. A motor housing polishing device according to claim 2, characterized in that: The end of the polishing machine (12) is fixedly connected to a first connecting seat (3); a sliding groove (31) is provided in the middle of the first connecting seat (3); two fixed grooves (32) are provided on the top of the sliding groove (31); the two fixed grooves (32) are arranged opposite to each other; a second connecting seat (33) is installed in the middle of the first connecting seat (3); two telescopic blocks (34) are fixedly connected in the middle of the second connecting seat (33); the two telescopic blocks (34) are arranged opposite to each other; the telescopic blocks (34) are fixedly connected at a position close to the end of the second connecting seat (33); a third spring (35) is fixedly connected in the middle of the telescopic block (34); and a polishing disc (36) is fixedly connected to the end of the second connecting seat (33).

4. A motor housing polishing device according to claim 3, characterized in that: The first supporting rod (13) has a side wall fixedly connected to a first connecting rod (4); the end of the first connecting rod (4) is fixedly connected to a second connecting rod (41); and the middle of the second connecting rod (41) is fixedly connected to a plurality of groups of bristles (42).

5. A motor housing polishing device according to claim 4, characterized in that: A vacuum cleaner (5) is fixedly connected to the top of the base (1); a vacuum tube (51) is fixedly connected to the middle of the vacuum cleaner (5); the end of the second connecting rod (41) is hollow; the other end of the vacuum tube (51) is fixedly connected to the end of the second connecting rod (41); a plurality of groups of air suction holes (52) are provided in the middle of the second connecting rod (41); two baffles (53) are fixedly connected to the middle of the second connecting rod (41); the baffles (53) are fixedly connected to positions corresponding to the air suction holes (52); and the baffles (53) are arc-shaped.

6. A motor housing polishing device according to claim 5, characterized in that: The side wall of the elastic plate (16) is provided with a plurality of groups of grooves (6); the plurality of groups of grooves (6) are provided on a side away from the first spring (17); and a roller (61) is rotatably connected to the middle of the groove (6).

7. A motor housing polishing device according to claim 6, characterized in that: A rubber pad (7) is installed in the middle of the roller (61); the rubber pad (7) is fixed to the middle of the roller (61).

8. The motor housing polishing device according to claim 7, characterized in that: A sound-absorbing cotton (8) is installed in the middle of the fixing rod (15); the sound-absorbing cotton (8) is fixed to the middle of the fixing rod (15).

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