CN114473824A

CN114473824A - Polishing device for motor rotor

Info

Publication number: CN114473824A
Application number: CN202210132967.XA
Authority: CN
Inventors: 刘林
Original assignee: Individual
Current assignee: Dongguan New Donghua Hardware And Plastic Accessories Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-05-13
Anticipated expiration: 2042-02-14
Also published as: CN114473824B

Abstract

The invention discloses a polishing device for a motor rotor, which belongs to the field of motor rotor processing equipment and comprises a workbench, wherein a dust collection box is fixedly arranged on the workbench, one end of the dust collection box is provided with a support in a penetrating manner, one end of the support is fixedly provided with a fixing frame, a rotor main body is arranged in the fixing frame, the support is driven by a motor A, a rotating ring is sleeved on one side of the outer wall of the fixing frame, a plurality of push rods are arranged on the fixing frame in a penetrating manner, one ends of the push rods are fixedly provided with extrusion plates, the push rods and the rotating ring are extruded and slide to complete clamping of the rotor main body, a support rod is arranged on the workbench in a sliding manner, a polishing wheel is arranged on one side of the support rod in a rotating manner, and the polishing wheel is close to the rotor main body to realize polishing. The rotating shaft on one side of the rotor can be clamped by the extrusion plate, and then the position of the polishing wheel is changed by pulling the handle, so that the rotating shaft on one side of the rotor can be polished. The rotor polishing machine is reasonable in design, can reduce workload for workers, and is convenient for polishing the whole rotor.

Description

Polishing device for motor rotor

Technical Field

The invention relates to the field of motor rotor processing equipment, in particular to a polishing device for a motor rotor.

Background

The rotor of the motor is a part rotating in the motor, and is also a rotating part in the motor, and when the rotor of the motor is processed and the waste rotor is recycled, the surface of the rotor of the motor needs to be polished. Patent document CN211940305U in the prior art provides a polishing device for motor rotors, which can fix rotors of different sizes conveniently by arranging a sliding seat, a fixing plate, a fixing seat, a sliding rail and a sliding seat, thereby performing polishing. Although the device has more beneficial effects, the following problems still exist: the device is at the polishing in-process, because press from both sides tightly fixed with the rotor both ends, so only can polish the rotor middle part at the polishing in-process, and can't polish the pivot of rotor both sides to influence polishing efficiency, make polishing efficiency reduce. In view of this, we propose a polishing device for the rotor of an electric machine.

Disclosure of Invention

1. Technical problem to be solved

The present invention is directed to a polishing apparatus for a rotor of an electric machine to solve the problems set forth in the background art.

2. Technical scheme

A polishing device for a motor rotor comprises a workbench, wherein a dust suction box is fixedly arranged on the workbench, an air suction opening is formed in one side of the dust suction box, a placing frame is fixedly arranged on one side of the inner portion of the dust suction box, a filter screen is arranged on one side of the placing frame, an air outlet is formed in the position, opposite to the filter screen, of the dust suction box, fan blades are rotatably arranged in the air outlet to form a dust suction filtering channel, a support is arranged at one end of the dust suction box in a penetrating mode, a fixing frame is fixedly arranged at one end of the support, a rotor main body is arranged in the fixing frame, the support is driven by a motor A, a rotating ring is sleeved on one side of the outer wall of the fixing frame, a plurality of push rods are arranged in the penetrating mode on the fixing frame, a squeezing plate is fixedly arranged at one end of each push rod and is squeezed by the rotating ring to complete clamping of the rotor main body, a rotating shaft of each fan blade is in transmission connection with the support, and when the rotating work of the fixing frame is completed by the same motor A, drive the flabellum and rotate and make the air current flow along dust absorption filtration passageway and collect and filter the metal sweeps, it is provided with the bracing piece to slide on the workstation, bracing piece one side is rotated and is provided with the throwing aureola, it realizes burnishing and polishing to throw aureola and be close to the rotor main part.

Preferably, the support is arranged in a space surrounded by the placing frame, the filter screen and the dust collection box, and the outer wall of the filter screen is in sliding contact with the inner wall of the dust collection box and the inner wall of the placing frame respectively.

Preferably, the rotating shaft is fixedly arranged in the middle of the fan blade, the driven wheel is fixedly arranged at one end of the rotating shaft, a driving wheel is coaxially connected to one side of the support relative to the driven wheel, the driving wheel is in meshing transmission with the driven wheel, and a cam in friction contact with the filter screen is further arranged on the support.

Preferably, the workbench is provided with a sliding rail in a sliding manner, the sliding rail is provided with a supporting rod in a sliding manner, and the movement track of the sliding rail is perpendicular to the supporting rod.

Preferably, one side of the support rod is rotatably connected with a pressing rod, one side of the pressing rod is provided with a polishing wheel, one side of the pressing rod is provided with a motor B for driving the polishing wheel in a penetrating mode, and a spring B is arranged between the pressing rod and the support rod.

Preferably, a guide groove is formed in one side of the support rod, a guide rod is fixedly arranged on one side of the pressure rod, the outer wall of the guide rod is in sliding contact with the inner wall of the guide groove, a spring B is fixedly arranged on one side of the pressure rod, and the other end of the spring B is fixedly connected with one side of the support rod.

Preferably, a discharge hole is formed in the lower end of the interior of the dust collection box, a collection box is movably arranged at the lower end of the dust collection box, and the collection box is located on the lower side of the discharge hole.

Preferably, the fixing frame is of a ring-shaped structure, and the inner wall of the extrusion plate is of an arc-shaped structure.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the device has the advantages that the extrusion plate can move under the action of the push rod, so that the rotating shaft on one side of the rotor can be clamped, the motor B is connected with the external control mechanism to drive the polishing wheel to rotate, the outer wall of the rotor can be polished by rotating the polishing wheel, the rotating shaft on one side of the rotor can be polished by pulling the handle, and the rotating shaft on the other side can be polished by fixing the rotor after the rotating direction of the rotor is adjusted, so that the device can be more convenient to operate, and the working efficiency of workers is improved.

(2) The polishing wheel can be in contact with the rotor by the aid of the sliding rail, the polishing wheel can be tightly attached to the outer wall of the rotor by the aid of the spring B, pressure is increased according to different waste degrees of the rotor, the waste layer of the outer wall of the rotor can be quickly polished by the polishing wheel, polishing effect is better and more efficient, the spring B can be protected by the aid of the guide rod and the guide groove, and the problem that the spring B is damaged due to the fact that the spring B is stretched for a long time under the action of gravity and the service life of the spring B is influenced is avoided.

(3) The motor A is arranged to drive the support to rotate, the support can rotate to enable the fixing frame to rotate, the fixing frame can rotate to drive the rotor to rotate, the rotation direction of the rotor is opposite to that of the polishing wheel, polishing efficiency can be higher, fan blades can rotate through the driving wheel and the driven wheel when the support rotates, air pressure in the dust collection box can be changed through rotation of the fan blades, accordingly flying metal scraps can be sucked from the air inlet, pollution of the flying metal scraps to the surrounding environment is avoided, the scraps can be prevented from being sucked into a body by workers and causing harm to the body, the filter screen can shake through extrusion of the filter screen when the support rotates, and the phenomenon that the filter screen is blocked due to accumulation of the scraps on the filter screen to influence the air outlet effect is avoided.

Drawings

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

FIG. 2 is a schematic view of a portion of the structure of the dust suction box of the present invention;

FIG. 3 is a schematic view of a fixing frame according to the present invention;

FIG. 4 is a schematic view of a portion of the chute of the present invention;

the reference numbers in the figures illustrate: 1. a work table; 2. a dust collection box; 3. a slot; 4. cutting; 5. a collection box; 6. a discharge port; 7. placing a rack; 8. filtering with a screen; 9. an air outlet; 10. a mounting frame; 11. a fan blade; 12. a rotating shaft; 13. a driven wheel; 14. a motor A; 15. an air suction opening; 16. a support; 17. a driving wheel; 18. a cam; 19. a fixed mount; 20. a push rod; 21. a roller; 22. a spring A; 23. a pressing plate; 24. a rubber pad; 25. a rotor body; 26. a rotating ring; 27. extruding a groove; 28. fixing a column; 29. a chute; 30. a slide block A; 31. a slide rail; 32. a slide block B; 33. a support bar; 34. a handle; 35. a guide groove; 36. a pressure lever; 37. a motor B; 38. a guide bar; 39. a spring B; 40. a polishing wheel; 41. and a screw rod.

Detailed Description

Referring to fig. 1-4, the present invention provides an embodiment:

a polishing device for a motor rotor comprises a workbench 1, a dust suction box 2 is fixedly arranged on the right side of the upper end of the workbench 1, as shown in figures 1 and 2, the lower end of the dust suction box 2 is provided with two slots 3 in a symmetrical structure, an inserting strip 4 is arranged inside the slot 3, a collecting box 5 is arranged on the lower side of the dust suction box 2, a discharge port 6 is arranged at the lower end inside the dust suction box 2 and used for collecting metal scraps, a placing frame 7 is fixedly arranged on one side inside the dust suction box 2, a filter screen 8 is arranged on the right side of the placing frame 7, an air outlet 9 is arranged at the upper end of the dust suction box 2 opposite to the filter screen 8, a mounting frame 10 is arranged inside the air outlet 9, a fan blade 11 is arranged on the upper side of the mounting frame 10, a rotating shaft 12 is fixedly arranged at the lower end of the rotating shaft 12, a driven wheel 13 is fixedly arranged at the lower end of the rotating shaft 12, a motor A14 is arranged at the right end of the dust suction box 2 in a symmetrical structure, two air inlets 15 are arranged at the left end of the dust suction box 2, a support 16 is arranged in a penetrating manner, the position coaxial coupling who follows driving wheel 13 relatively in the support 16 right side has action wheel 17, action wheel 17 right side is equipped with cam 18, support 16 left end is equipped with mount 19 admittedly, 19 outer walls of mount are the annular equidistant a plurality of push rods 20 that are equipped with, 20 initial ends of push rods are connected with gyro wheel 21 through the pivot rotation, 20 outer wall covers of push rods are equipped with spring A22, 20 end of push rod has set firmly stripper plate 23, stripper plate 23 inner wall has set firmly rubber pad 24, 19 middle parts of mount are equipped with rotor body 25, 19 outer wall right side covers of mount 19 are equipped with swivel becket 26, the swivel becket 26 left end is the annular equidistant a plurality of extrusion grooves 27 of having seted up, swivel becket 26 upper end has set firmly fixed column 28. When the rotor main body 25 is polished, the rotor main body 25 can be placed in the middle of the fixing frame 19, the rotating fixing column 28 drives the rotating ring 26 to rotate, the rollers 21 can be extruded under the action of the extrusion groove 27, so that one ends, located inside the fixing frame 19, of the push rods 20 are close to each other, and the rotor main body 25 can be fixed through the extrusion plate 23 and the rubber pad 24. After the rotor body 25 is clamped and fixed, the bracket 16, the fixing frame 19 and the clamped rotor body 25 are driven to rotate by the motor a 14.

A sliding groove 29 is formed in one side of the upper end of the workbench 1, a sliding block A30 is arranged in the sliding groove 29, a sliding rail 31 is fixedly arranged at the upper end of the sliding block A30, a sliding block B32 is arranged in the sliding rail 31, a supporting rod 33 is arranged at the upper end of the sliding block B32, a handle 34 is fixedly arranged at the left end of the supporting rod 33, a guide groove 35 is formed in the front end of the supporting rod 33, a pressing rod 36 is rotatably connected to the lower side of the front end of the supporting rod 33 through a rotating shaft, a motor B37 is arranged at the left end of the pressing rod 36 in a penetrating manner, a guide rod 38 is fixedly arranged in the middle of the rear end of the pressing rod 36, a spring B39 is fixedly arranged on the upper side of the rear end of the pressing rod 36, a polishing wheel 40 is arranged on the right side of the pressing rod 36, a lead screw 41 is arranged at the position, opposite to the sliding groove 29, of the rear end of the workbench 1, the sliding block A30 is driven to move along the direction of the sliding groove 29 by rotating lead screw 41, the sliding block A30 to move, the sliding rail 31 to drive the sliding rail 31 to move, the supporting rod 33 to move, the sliding rail 31 to drive the pressing rod 36 to move, the pressing rod 36 to move, the polishing wheel 40 to contact with the rotor surface, wherein can make under the effect of spring B39 the polishing wheel 40 outer wall closely laminate with the rotor outer wall to can drive bracing piece 33 through pulling handle 34, bracing piece 33 moves along the direction of slide rail 31 under the effect of slider B32, makes the trajectory of motion of slide rail 31 and bracing piece 33 mutually perpendicular, so that calculate and adjust the position of bracing piece 33 better. After the supporting rod 33 is moved to the proper position, the motor B37 rotates to drive the polishing wheel 40 to rotate, and the polishing wheel 40 and the rotor rotate in opposite directions simultaneously to polish the rotor.

Specifically, as shown in fig. 2, two inserting strips 4 are respectively inserted into and matched with the two slots 3, the lower ends of the two inserting strips 4 are respectively fixedly connected with the left side and the right side of the upper end of a collecting box 5, and the collecting box 5 is located on the lower side of a discharge port 6. The collecting box 5 can be taken down through the matching of the inserting strips 4 and the slots 3, and the metal scraps in the collecting box 5 are treated.

Further, as shown in fig. 2, the driving wheel 17 and the driven wheel 13 are both bevel gears, the driving wheel 17 is in meshing transmission with the driven wheel 13, the rotating shaft 12 penetrates through the upper end of the filter screen 8 and is in sliding contact with the upper end of the filter screen 8, the outer wall of the filter screen 8 is in sliding contact with the inner wall of the dust collection box 2 and the inner wall of the placing rack 7 respectively, the end part of the motor a14 penetrates through the right end of the dust collection box 2 and extends into the dust collection box and is fixedly connected with the right end of the support 16, and the outer wall of the cam 18 is in friction contact with the lower end of the filter screen 8. Drive support 16 through motor A14 and rotate, support 16 rotates and drives action wheel 17 and rotate, and action wheel 17 cooperation is followed driving wheel 13 and axis of rotation 12 and is made flabellum 11 rotate, and flabellum 11 rotates and to make the atmospheric pressure in the suction box 2 change to make the metal sweeps of flying out can be followed inlet scoop 15 and inhaled. Meanwhile, the cam 18 can be driven to rotate when the support 16 rotates, the cam 18 can rotate to be matched with the self gravity of the filter screen 8 to enable the filter screen 8 to shake up and down, and metal scraps adhered to the filter screen 8 fall into the collecting box 5 below.

Further, as shown in fig. 3, the fixing frame 19 is a ring structure, the initial end of the spring a22 is fixedly connected to the inner wall of the fixing frame 19, the spring B39 is fixedly connected to the outer wall of the pressing plate 23, and the inner wall of the pressing plate 23 is an arc structure. The extrusion plate 23 with the arc-shaped inner wall can clamp rotors with different sizes, and the rubber pads 24 can prevent the surfaces of the rotors from being worn due to hard contact with the extrusion plate 23.

Further, the rotating ring 26 is screwed with the fixed frame 19, as shown in fig. 3, the pressing groove 27 is an arc structure obliquely arranged with respect to the center of the rotating ring 26, and the inner wall of the pressing groove 27 is in frictional contact with the outer wall of the roller 21. The rotating fixing column 28 can drive the rotating ring 26 to rotate, the rolling wheels 21 can be pressed under the action of the pressing groove 27, so that the push rods 20 can be close to each other, and the rotor can be fixed through the pressing plate 23 and the rubber pad 24.

It should be noted that, as shown in fig. 4, the slide block a30 is slidably connected to the slide groove 29, and the screw rod 41 extends through the rear end of the table 1 into the slide groove 29 and is threadedly connected to the slide block a 30. The sliding block A30 can be driven to move along the direction of the sliding groove 29 by rotating the screw rod 41, and the sliding block A30 can drive the sliding rail 31 to move.

It should be noted that, as shown in fig. 4, the outer wall of the guide rod 38 is in sliding contact with the inner wall of the guide groove 35, the end of the spring B39 is fixedly connected with the upper side of the front end of the support rod 33, and the end of the motor B37 penetrates through the left end of the pressing rod 36 and is fixedly connected with the left end of the polishing wheel 40. The outer wall of the polishing wheel 40 can be tightly attached to the outer wall of the rotor under the action of the spring B39.

In this embodiment, as shown in fig. 2, the number of the connecting rods at the end where the bracket 16 and the fixing frame 19 are connected is 4, or any number of connecting rods can be used, so that it is only necessary to ensure that the fixing frame 19 is stably driven to rotate.

In this embodiment, the driving method for the position change of the supporting rod 33 includes, but is not limited to, manually or electrically driving the screw rod 41 to rotate and driving the supporting rod 33 by pulling the handle 34, the sliding rail 31 adopts an electric sliding rail instead of the method for driving the supporting rod 33 by pulling the handle 34, the driving method of the sliding rail 31 on the worktable 1 can also adopt an electric sliding rail instead of the screw rod 41, and other driving methods capable of realizing linear movement can also be adopted.

On the basis of the above embodiment, it is considered that the driving wheel is arranged below the filter screen 8, so that metal scraps are easily adhered to the surfaces of the driving wheel, the bracket 16 and the like, and the transmission performance of the driving wheel may be damaged. In order to solve the technical problem, the support 16 is arranged in a space surrounded by the placing frame 7, the filter screen 8 and the dust collection box 2, the cam 18 is in friction contact with the upper end of the filter screen 8, one end of the support 16 sequentially penetrates through the placing frame 7 and the dust collection box 2 and then is connected with the fixing frame 19, and through the filtering effect of the filter screen 8, the air quality of the position where the support 16 is located is good, and the adhesion of metal scraps can be avoided to a great extent.

Further, the connection between the rotating ring 26 and the dust box 2 may be separated from each other, as shown in fig. 1. In the technical scheme of adopting this kind of relation of connection, swivel ring 26 can block inlet scoop 15 on the suction box 2, weaken the absorption effect of suction box 2 to the metal sweeps, for this reason, can thicken a lateral wall that suction box 2 and swivel ring 26 are close to mutually, and make swivel ring 26 slide in suction box 2 one side outer wall inside, make swivel ring 26 remove on mount 19 surface through screw drive, in the in-process that push rod 20 slides to maximum stroke department in extrusion groove 27 inside, swivel ring 26 keeps sliding connection with suction box 2 one side outer wall all the time, make the dust absorption filtration passageway that absorbs the metal sweeps remain unchanged, can not receive the influence of swivel ring 26, thereby can guarantee the absorption effect of suction box 2 to the metal sweeps.

Claims

1. A burnishing device for electric motor rotor, includes the workstation, its characterized in that: a dust suction box is fixedly arranged on the workbench, an air suction opening is formed in one side of the dust suction box, a placing frame is fixedly arranged on one side of the inner portion of the dust suction box, a filter screen is arranged on one side of the placing frame, an air outlet is formed in the position, opposite to the filter screen, of the dust suction box, and fan blades are rotatably arranged in the air outlet to form a dust suction filtering channel;

a support penetrates through one end of the dust collection box, a fixing frame is fixedly arranged at one end of the support, a rotor main body is arranged in the fixing frame, and the support is driven by a motor A;

a rotating ring is sleeved on one side of the outer wall of the fixing frame, a plurality of push rods penetrate through the fixing frame, an extrusion plate is fixedly arranged at one end of each push rod, and the push rods and the rotating ring are extruded and slide to clamp the rotor main body;

the rotating shaft of the fan blade is in transmission connection with the bracket, and the same motor A is used for driving the fan blade to rotate while completing the rotating work of the fixing frame, so that the airflow flows along the dust collection and filtration channel to collect and filter metal scraps;

the polishing machine is characterized in that a supporting rod is arranged on the workbench in a sliding mode, a polishing wheel is arranged on one side of the supporting rod in a rotating mode, and the polishing wheel is close to the rotor main body to achieve polishing.

2. The polishing apparatus for a rotor of an electric machine as set forth in claim 1, wherein: the support is arranged in a space surrounded by the placing frame, the filter screen and the dust collection box, and the outer wall of the filter screen is in sliding contact with the inner wall of the dust collection box and the inner wall of the placing frame respectively.

3. The polishing apparatus for a rotor of an electric machine as set forth in claim 1 or 2, wherein: the fan blade middle part sets firmly the axis of rotation, axis of rotation one end sets firmly from the driving wheel, the position coaxial coupling of relative follow driving wheel in support one side has the action wheel, action wheel and follow driving wheel meshing transmission, still be equipped with the cam with filter screen frictional contact on the support.

4. The polishing apparatus for a rotor of an electric machine as set forth in claim 1, wherein: the workbench is provided with a sliding rail in a sliding mode, the sliding rail is provided with a supporting rod in a sliding mode, and the moving track of the sliding rail is perpendicular to the supporting rod.

5. The polishing apparatus for a rotor of an electric machine as set forth in claim 1 or 4, wherein: the polishing machine is characterized in that a pressing rod is rotatably connected to one side of the supporting rod, a polishing wheel is arranged on one side of the pressing rod, a motor B for driving the polishing wheel is arranged on one side of the pressing rod in a penetrating mode, and a spring B is arranged between the pressing rod and the supporting rod.

6. The polishing apparatus for a rotor of an electric machine as set forth in claim 5, wherein: the guide groove has been seted up to bracing piece one side, depression bar one side has set firmly the guide arm, guide arm outer wall and guide groove inner wall sliding contact, depression bar one side has set firmly spring B, the spring B other end and bracing piece one side fixed connection.

7. The polishing apparatus for a rotor of an electric machine as set forth in claim 1, wherein: the lower end of the interior of the dust collection box is provided with a discharge hole, the lower end of the dust collection box is movably provided with a collection box, and the collection box is located on the lower side of the discharge hole.

8. The polishing apparatus for a rotor of an electric machine as set forth in claim 1, wherein: the fixing frame is of a ring-shaped structure, and the inner wall of the extrusion plate is of an arc-shaped structure.