Polishing device for machining inner surface of motor shell

Abstract

The utility model provides a motor shell machining inner surface polishing device which comprises a base, side plates are fixedly installed on the two sides of the base respectively, through grooves are formed in the middles of the two side plates respectively, a liftable machine shell fixing assembly is arranged between the two through grooves, a circular groove is formed in the center of the base, and a motor shell is arranged in the circular groove. And a polishing assembly is fixedly installed at the center of the circular groove, the outer ring of the motor shell is connected with a filtering assembly matched with the circular groove in a sleeving mode, and an exhaust fan is fixedly installed at the bottom of the base. According to the polishing device for the motor shell, when the interior of the motor shell is polished, the motor shell is in an inverted state, dust generated by polishing can rapidly fall down, a traditional mode that the dust extends into the motor shell from the side face for polishing is replaced, and the situation that in the polishing process, chippings are accumulated in the motor shell, so that the polishing effect is affected is avoided; and meanwhile, the motor shell is inversely polished, so that the pollution of dust to the surrounding environment is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of motor processing, and relates to a polishing device for processing the inner surface of a motor shell. Background Art

[0002] The motor is an important driving component for the movement of mechanical parts. The motor housing is an important component of the motor. In order to improve the production process accuracy and quality of the motor, the motor housing needs to be polished during the production process.

[0003] The traditional method of polishing the inner surface of the motor housing is to place the motor housing horizontally, clamp the motor housing with a clamp, and then extend the polishing wheel into the interior of the motor housing for polishing. We found that when polishing in this way, the dust generated by the polishing of the interior of the motor housing accumulates at the bottom of the motor housing, thereby affecting the polishing of the interior of the motor housing. For this reason, we designed a motor housing inner surface polishing device to solve the above technical problems. Summary of the Invention

[0004] The purpose of the utility model is to provide a device for polishing the inner surface of a motor housing to solve the problems raised in the above background technology.

[0005] The purpose of the utility model can be achieved through the following technical solutions: a device for polishing the inner surface of a motor casing, comprising a base, side panels fixedly installed on both sides of the base, through grooves opened in the middle of the two side panels, a liftable casing fixing component is provided between the two through grooves, a circular groove is opened at the center of the base, a polishing component is fixedly installed at the center of the circular groove, the outer ring of the motor casing is sleeved with a filter component adapted to the circular groove, an exhaust fan is fixedly installed at the bottom of the base, and a plurality of through holes communicating with the outside world are opened on the side of the exhaust fan.

[0006] In the above-mentioned device for polishing the inner surface of a motor casing, the casing fixing assembly includes a fixing ring, a cross plate and a fixing bar, and fixing bars are fixedly installed at both ends of the cross plate. The two fixing bars are inserted into the corresponding through grooves and extend to the outside. A fixing ring is fixedly installed in the middle of the cross plate, and the inner diameter of the fixing ring is larger than the outer diameter of the motor casing.

[0007] In the above-mentioned motor housing inner surface polishing device, threaded push rods are threadedly connected to both sides of the fixing ring, and arc blocks are rotatably connected at the ends of the two threaded push rods. The inner wall of the arc block is provided with evenly distributed anti-slip grooves.

[0008] In the above-mentioned motor housing inner surface polishing device, a fixing plate is fixedly installed on the top of the two side panels, and an electric push rod of the same model is fixedly installed on the bottom end of the two fixing plates, and the telescopic end of the electric push rod is fixedly connected to the top end of the corresponding fixing bar.

[0009] In the above-mentioned motor housing inner surface polishing device, the polishing assembly includes a polishing wheel, a drive motor and a protective cover. The drive motor is fixedly installed inside the protective cover, and the output shaft of the drive motor is fixedly installed with a rotating shaft. The top of the rotating shaft extends to the outside of the protective cover and is fixedly installed with a polishing wheel.

[0010] In the above-mentioned motor housing inner surface polishing device, the filter assembly includes PP filter cotton, sponge, woven mesh and honeycomb panel, the top of the PP filter cotton is fixedly bonded with the sponge, the top of the sponge is fixedly bonded with the woven mesh, and the top of the woven mesh is fixedly bonded with the honeycomb panel.

[0011] Compared with the existing technology, the advantages of the motor housing inner surface polishing device of the utility model are: when the motor housing is polished internally, the motor housing is in an inverted state, and the dust generated by polishing can fall downward quickly, replacing the traditional polishing from the side, avoiding the accumulation of debris inside the motor housing during the polishing process, thereby affecting the polishing effect. At the same time, the inverted polishing of the motor housing reduces the pollution problem of dust to the surrounding environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a three-dimensional structural diagram of a device for polishing the inner surface of a motor housing.

[0013] Figure 2 The utility model is a schematic diagram of the structure of a filter component of a motor housing inner surface polishing device.

[0014] Figure 3 The utility model is a schematic diagram of the structure of a casing fixing component of a device for polishing the inner surface of a motor casing.

[0015] Figure 4 The utility model is a schematic diagram of the cross-sectional structure of a base of a polishing device for processing the inner surface of a motor housing.

[0016] In the figure, 1. Base; 2. Circular groove; 3. Filter assembly; 301. PP filter cotton; 302. Sponge; 303. Woven mesh; 304. Honeycomb panel; 4. Polishing wheel; 5. Side panel; 6. Through slot; 7. Fixing plate; 8. Electric push rod; 9. Casing fixing assembly; 901. Fixing ring; 902. Arc block; 903. Threaded push rod; 904. Horizontal plate; 905. Fixing bar; 10. Exhaust fan; 11. Through hole; 12. Drive motor. DETAILED DESCRIPTION

[0017] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0018] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the utility model is a motor casing inner surface polishing device, comprising a base 1, side panels 5 are fixedly mounted on both sides of the base 1, through slots 6 are provided in the middle of the two side panels 5, a liftable casing fixing component 9 is provided between the two through slots 6, a circular groove 2 is provided at the center of the base 1, a polishing component is fixedly mounted at the center of the circular groove 2, a filter component 3 adapted to the circular groove 2 is sleeved on the outer ring of the motor casing, an exhaust fan 10 is fixedly mounted on the bottom of the base 1, and a plurality of through holes 11 communicating with the outside world are provided on the side of the exhaust fan 10.

[0019] Specifically, the motor housing polishing device puts the motor housing in an inverted state when polishing the inside of the motor housing. The dust generated by the polishing can quickly fall downward, replacing the traditional polishing from the side, avoiding the accumulation of debris inside the motor housing during the polishing process, thereby affecting the polishing effect.

[0020] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the utility model is a device for polishing the inner surface of a motor casing. The casing fixing assembly 9 includes a fixing ring 901, a horizontal plate 904 and a fixing bar 905. The fixing bars 905 are fixedly installed at both ends of the horizontal plate 904. The two fixing bars 905 are inserted into the corresponding through grooves 6 and extend to the outside. The middle part of the horizontal plate 904 is fixedly installed with a fixing ring 901. The inner diameter of the fixing ring 901 is larger than the outer diameter of the motor casing.

[0021] Both sides of the fixing ring 901 are threadedly connected with threaded push rods 903, and the ends of the two threaded push rods 903 are rotatably connected with arc blocks 902. The inner wall of the arc block 902 is provided with evenly distributed anti-slip grooves.

[0022] Specifically, the arc block 902 is pushed by the threaded push rod 903 , and the motor housing is fixed by the arc block 902 .

[0023] A fixing plate 7 is fixedly installed on the top of the two side panels 5, and an electric push rod 8 of the same model is fixedly installed on the bottom of the two fixing plates 7. The telescopic end of the electric push rod 8 is fixedly connected to the top of the corresponding fixing bar 905.

[0024] Specifically, the electric push rod 8 pushes the fixing bar 905 up and down, and the lifting of the fixing bar 905 drives the lifting of the transverse plate 904. The lifting of the transverse plate 904 allows the polishing wheel 4 to extend into the interior of the motor housing.

[0025] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the utility model is a polishing device for processing the inner surface of a motor housing. The polishing assembly includes a polishing wheel 4, a drive motor 12 and a protective cover. The drive motor 12 is fixedly installed inside the protective cover. The output shaft of the drive motor 12 is fixedly installed with a rotating shaft. The top of the rotating shaft extends to the outside of the protective cover and is fixedly installed with the polishing wheel 4.

[0026] Specifically, the drive motor 12 is effectively protected by providing the protective cover.

[0027] The filter assembly 3 includes PP filter cotton 301, sponge 302, woven mesh 303 and honeycomb panel 304. The top of the PP filter cotton 301 is fixedly bonded with the sponge 302, the top of the sponge 302 is fixedly bonded with the woven mesh 303, and the top of the woven mesh 303 is fixedly bonded with the honeycomb panel 304.

[0028] Specifically, the filter assembly 3 can absorb and filter the dust generated by polishing, thereby reducing the pollution of the dust generated by polishing to the surrounding environment.

[0029] Specifically, when using the motor housing inner surface polishing device, first put the motor housing into the inside of the fixed ring 901, then manually rotate the threaded push rods 903 on both sides, push the arc block 902 to move through the threaded push rods 903, and clamp the motor housing through the arc block 902. Then turn on the electric push rod 8, push the fixed bar 905 downward through the electric push rod 8, and drive the fixed motor housing downward through the downward movement of the fixed bar 905, so that the polishing wheel 4 enters the interior of the motor housing, then turn on the drive motor 12 and the exhaust fan 10, and drive the polishing wheel 4 to rotate and polish through the drive motor 12. The dust generated during the polishing process moves downward, and through the action of the exhaust fan 10, the dust is filtered through the filter component 3 to reduce dust pollution generated by polishing.

[0030] Matters not described in detail in this specification constitute prior art known to those skilled in the art. The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art to which the present invention relates may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

Claims

1. A motor housing inner surface polishing device, comprising a base (1), side panels (5) fixedly mounted on both sides of the base (1), through slots (6) formed in the middle of the two side panels (5), characterized in that: A liftable housing fixing assembly (9) is provided between the two through grooves (6); a circular groove (2) is provided at the center of the base (1); a polishing assembly is fixedly installed at the center of the circular groove (2); a filter assembly (3) adapted to the circular groove (2) is sleeved on the outer ring of the motor housing; an exhaust fan (10) is fixedly installed at the bottom of the base (1); and a plurality of through holes (11) communicating with the outside are provided on the side of the exhaust fan (10).

2. The motor housing inner surface polishing device according to claim 1, characterized in that: The housing fixing assembly (9) comprises a fixing ring (901), a transverse plate (904) and a fixing bar (905); fixing bars (905) are fixedly mounted on both ends of the transverse plate (904); two fixing bars (905) are inserted into the corresponding through slots (6) and extend to the outside; a fixing ring (901) is fixedly mounted in the middle of the transverse plate (904); and the inner diameter of the fixing ring (901) is larger than the outer diameter of the motor housing.

3. The motor housing inner surface polishing device according to claim 2, characterized in that: Both sides of the fixing ring (901) are threadedly connected to threaded push rods (903), and the ends of the two threaded push rods (903) are rotatably connected to arc blocks (902), and the inner wall of the arc block (902) is provided with evenly distributed anti-slip grooves.

4. The motor housing inner surface polishing device according to claim 2, characterized in that: A fixing plate (7) is fixedly installed on the top of the two side plates (5), and an electric push rod (8) of the same model is fixedly installed on the bottom of the two fixing plates (7), and the telescopic end of the electric push rod (8) is fixedly connected to the top of the corresponding fixing bar (905).

5. The motor housing inner surface polishing device according to claim 1, characterized in that: The polishing assembly comprises a polishing wheel (4), a driving motor (12) and a protective cover, wherein the driving motor (12) is fixedly mounted inside the protective cover, a rotating shaft is fixedly mounted on the output shaft of the driving motor (12), and the top of the rotating shaft extends to the outside of the protective cover and is fixedly mounted with the polishing wheel (4).

6. The motor housing inner surface polishing device according to claim 1, characterized in that: The filter assembly (3) comprises PP filter cotton (301), a sponge (302), a woven mesh (303) and a honeycomb panel (304); the top end of the PP filter cotton (301) is fixedly bonded to the sponge (302); the top end of the sponge (302) is fixedly bonded to the woven mesh (303); and the top end of the woven mesh (303) is fixedly bonded to the honeycomb panel (304).

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