Finish machining device for rotating shaft of motor

Abstract

The utility model relates to the technical field of motor rotating shaft machining, and discloses a motor rotating shaft finish machining device which comprises an adjusting assembly, a first motor, a second motor, a third motor and a fourth motor. The screw rod is fixedly connected with an output shaft of the motor I; the threaded block is in threaded connection with the lead screw; the left bracket is arranged at the top of the threaded block; the left turntable is rotationally connected to the right side wall of the left bracket; the right bracket is arranged at the right top of the processing table; the right turntable is rotationally connected to the left side wall of the right bracket; the motor II is arranged on the right side wall of the right bracket; and the fixing mechanisms are symmetrically arranged on opposite surfaces of the right turntable and the left turntable. Firstly, the right end of the rotating shaft is fixed through the fixing mechanism on the right rotating disc, then the distance between the left rotating disc and the right rotating disc is adjusted according to the length of the rotating shaft, when the distance between the left rotating disc and the right rotating disc is close to the length of the rotating shaft, the fixing mechanism on the left rotating disc continues to be used for fixing the left end of the rotating shaft, and at the moment, the two ends of the rotating shaft are fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of motor shaft processing, in particular to a motor shaft finishing device. Background Art

[0002] The motor uses the principle of the force exerted on a current-carrying conductor in a magnetic field. The two main components of a motor are the rotor and the stator. The magnetic field in the above principle is generated by the stator in the motor, and the conductor is the rotor in the motor. The main components of the rotors of different types of motors are not exactly the same, but they all include an iron core and a shaft. The production of the shaft requires multiple processing steps, including fine machining, finishing, and mechanical machining. In order to achieve higher precision and surface quality requirements for the workpiece, processing is generally carried out after rough machining and semi-finishing. During the finishing process of the motor shaft, the surface needs to be polished.

[0003] According to the Chinese utility model disclosure CN218964873U, a motor shaft rotating shaft grinding machine disclosed includes a grinding receiving box, an automatic adjustment grinding component and a motor shaft rotating shaft clamping component, the automatic adjustment grinding component includes a fixed base, a driving motor, a rotating transmission threaded rod, a threaded rod support plate, a connecting seat slide, a connecting seat slider, a movable connecting seat, a lifting hydraulic rod, a motor shaft rotating shaft grinding wheel and a transparent protective frame, and the motor shaft rotating shaft clamping component includes a motor fixing frame, a rotating motor, a rotating transmission shaft, a rotating connecting frame, a hydraulic rod support plate, a hydraulic rod support, a telescopic hydraulic rod and a motor shaft rotating shaft clamping plate. The automatic adjustment grinding component can realize the purpose of conveniently adjusting the grinding position during the motor shaft grinding process, and the motor shaft rotating shaft clamping component can realize the purpose of the motor shaft grinding machine conveniently and stably clamping the fixed shaft according to the processing requirements, thereby improving the working efficiency of the motor shaft rotating shaft grinding process.

[0004] The above-mentioned patent only fixes one end of the motor shaft. For a longer shaft, the fixing effect is poor, which can easily cause the unfixed end of the shaft to tilt during rotation and grinding, affecting the grinding accuracy. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the shortcomings of the prior art, the utility model provides a motor shaft finishing device, which has the advantage of better fixing effect and solves the problem in the related technology that only one end of the shaft is fixed, and the other end of the shaft is easily skewed when the shaft is rotated and polished, thereby affecting the grinding processing accuracy of the shaft.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a motor shaft finishing device, comprising a main body component, the main body component comprising:

[0009] A processing table, on which an electric guide rail is slidably connected, and the processing table is symmetrically provided with through grooves for the electric guide rail to slide;

[0010] An electric push rod, arranged on the top of the electric guide rail;

[0011] A grinding block is arranged on the top of the electric guide rail;

[0012] The processing table is provided with an adjustment component, and the adjustment component comprises:

[0013] Motor 1, arranged on the right side of the processing table;

[0014] A screw rod is fixedly connected to an output shaft of the motor, and the screw rod is rotatably connected to a through slot provided on the processing table;

[0015] A threaded block, threadedly connected to the screw rod;

[0016] A left bracket, arranged on the top of the threaded block;

[0017] A left turntable, rotatably connected to the right side wall of the left bracket;

[0018] A right bracket, arranged on the top right side of the processing table;

[0019] A right turntable, rotatably connected to the left side wall of the right bracket;

[0020] Motor 2 is arranged on the right side wall of the right bracket, and the output of motor 2 is fixedly connected to the right turntable;

[0021] The fixing mechanism is symmetrically arranged on the facing surfaces of the right turntable and the left turntable.

[0022] Preferably, the fixing mechanism comprises:

[0023] A circular frame, fixedly connected to the facing surfaces of the left turntable and the right turntable;

[0024] A worm wheel, rotatably connected to the facing surface of the circular frame;

[0025] A bevel gear fixedly connected to the opposite end of the worm gear, and the bevel gear is rotatably connected to the inside of the circular frame;

[0026] A threaded sleeve is symmetrically arranged inside the circular frame, the threaded sleeve penetrates and extends to the middle of the circular frame, and clamping blocks are arranged at opposite ends of the threaded sleeve;

[0027] A threaded rod, threadedly connected to the interior of the threaded sleeve;

[0028] Gears, fixedly connected to the outer ends of the threaded rods, the gears meshing with the bevel gears;

[0029] The worm is arranged on the facing surfaces of the left rotating disk and the right rotating disk through a frame, a hand wheel is arranged on the top of the worm, and the worm is meshed with the worm wheel.

[0030] Preferably, the clamping block and the grinding block arranged at the opposite ends of the threaded sleeve are both provided with arc surfaces.

[0031] Preferably, anti-slip pads are provided on the inner walls of the clamping blocks arranged at the opposite ends of the threaded sleeve.

[0032] Preferably, a limit block is symmetrically arranged on the outer wall of one end of the threaded sleeve close to the gear.

[0033] Preferably, a telescopic shell is provided on the inner wall of the through slot opened on the processing table for the electric guide rail and the threaded block to move, the electric guide rail and the threaded block pass through the telescopic shell, and both ends of the telescopic shell are fixedly connected to the threaded block and the outer wall of the electric guide rail.

[0034] (III) Beneficial effects

[0035] Compared with the prior art, the utility model provides a motor shaft finishing device having the following

[0036] Beneficial effects:

[0037] The processing device has the advantage of better fixing effect. First, the hand wheel on the top of the worm on the right is turned, and the worm drives the worm wheel to rotate, and the worm wheel drives the bevel gear fixedly connected to it to rotate, and the gears meshing with the bevel gear rotate synchronously, and the gear drives the threaded rod to rotate. The threaded sleeve connected to the outer thread of the threaded rod extends toward the middle of the circular frame when the threaded rod rotates, until the clamping blocks at the opposite ends of the threaded sleeve are close to the outer wall of the rotating shaft, and the hand wheel is stopped. At this time, the clamping block fixes one end of the rotating shaft, and then the distance between the left rotating disk and the right rotating disk is adjusted according to the length of the rotating shaft. When the distance between the left rotating disk and the right rotating disk is close to the length of the rotating shaft, the fixing mechanism on the left rotating disk is continued to be used to fix the left end of the rotating shaft. At this time, both ends of the rotating shaft are fixed, which solves the problem that only one end of the rotating shaft is fixed in the related technology, and the other end of the rotating shaft is easily skewed when the rotating shaft is rotated and polished, thereby affecting the grinding processing accuracy of the rotating shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a schematic diagram of the structure of the utility model;

[0039] Figure 2 It is a schematic diagram of the internal structure of the telescopic shell in the utility model;

[0040] Figure 3It is a schematic diagram of the fixing mechanism structure in the utility model;

[0041] Figure 4 It is a schematic diagram of the internal structure of the circular frame in the utility model.

[0042] In the figure:

[0043] 1. Main assembly; 11. Processing table; 12. Electric guide rail; 13. Electric push rod; 14. Grinding block;

[0044] 2. Adjustment assembly; 21. Motor 1; 211. Screw; 212. Threaded block; 22. Left bracket; 23. Left turntable; 24. Right bracket; 25. Right turntable; 26. Motor 2; 27. Fixing mechanism; 271. Round frame; 272. Worm gear; 273. Bevel gear; 274. Threaded sleeve; 275. Threaded rod; 276. Gear; 277. Worm;

[0045] 3. Anti-slip pad; 4. Limit block; 5. Telescopic shell. DETAILED DESCRIPTION

[0046] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0047] Embodiment 1

[0048] See also Figure 1-4A motor shaft finishing device comprises a main body component 1, wherein the main body component 1 comprises: a processing table 11, on which an electric guide rail 12 is slidably connected, and the processing table 11 is symmetrically provided with through grooves for the electric guide rail 12 to slide; an electric push rod 13, arranged on the top of the electric guide rail 12; a grinding block 14, arranged on the top of the electric guide rail 12; an adjustment component 2 is arranged on the processing table 11, and the adjustment component 2 comprises: a motor 21, arranged on the right side of the processing table 11; a screw rod 211, fixedly connected to the output shaft of the motor 21, and the screw rod 211 is fixedly connected to the output shaft of the motor 21. The through slot provided on the processing table 11 is rotatably connected; the threaded block 212 is threadedly connected to the screw rod 211; the left bracket 22 is arranged at the top of the threaded block 212; the left turntable 23 is rotatably connected to the right side wall of the left bracket 22; the right bracket 24 is arranged at the top of the right side of the processing table 11; the right turntable 25 is rotatably connected to the left side wall of the right bracket 24; the motor 26 is arranged on the right side wall of the right bracket 24, and the output shaft of the motor 26 is fixedly connected to the right turntable 25; the fixing mechanism 27 is symmetrically arranged on the facing surfaces of the right turntable 25 and the left turntable 23. The fixing mechanism 27 includes: a circular frame 271, fixedly connected to the facing surfaces of the left rotating disk 23 and the right rotating disk 25; a worm wheel 272, rotatably connected to the facing surfaces of the circular frame 271; a bevel gear 273, fixedly connected to the opposite ends of the worm wheel 272, and rotatably connected to the inside of the circular frame 271; a threaded sleeve 274, circumferentially symmetrically arranged inside the circular frame 271, the threaded sleeve 274 penetrates and extends to the middle of the circular frame 271, and a clamping block is arranged at the facing ends of the threaded sleeve 274; a threaded rod 275, threadedly connected to the inside of the threaded sleeve 274; a gear 276, fixedly connected to the outer end of the threaded rod 275, and the gear 276 is meshed with the bevel gear 273; a worm 277, arranged on the facing surfaces of the left rotating disk 23 and the right rotating disk 25 through a frame, a hand wheel is arranged on the top of the worm 277, and the worm 277 is meshed with the worm wheel 272. The clamping block disposed at the opposite ends of the threaded sleeve 274 and the grinding block 14 are both provided with arc surfaces.

[0049] When in use, place one end of the motor shaft that needs to be finely machined between the clamping blocks at the opposite ends of the threaded sleeve 274, and use the fixing mechanism 27 to fix the shaft: turn the handwheel on the top of the worm 277, the worm 277 drives the worm wheel 272 to rotate, the worm wheel 272 drives the bevel gear 273 fixedly connected to it to rotate, and the gear 276 meshing with the bevel gear 273 rotates synchronously, the gear 276 drives the threaded rod 275 to rotate, and the threaded sleeve 274 connected to the external thread of the threaded rod 275 extends toward the middle of the circular frame 271 when the threaded rod 275 rotates, until the clamping blocks at the opposite ends of the threaded sleeve 274 are close to the outer wall of the shaft, stop turning the handwheel, at this time the clamping block fixes one end of the shaft, and then adjusts the distance between the left turntable 23 and the right turntable 25 according to the length of the shaft: start the motor 21, the motor 21 drives the screw rod 211 Rotate, the threaded block 212 threadedly connected on the screw rod 211 drives the left bracket 22 and the left turntable 23 to move along the direction in which the screw rod 211 extends, and the direction of the conveying of the motor 1 21 and the number of rotations are controlled to realize the movement direction and movement distance of the threaded block 212. When the distance between the left bracket 22 and the right bracket 24 is close to the length of the rotating shaft, the fixing mechanism 27 on the left turntable 23 is continued to fix the left end of the rotating shaft. At this time, both ends of the rotating shaft are fixed, and the electric push rod 13 is started to make the grinding block 14 close to the outer wall of the rotating shaft. At this time, the motor 26 is started, and the motor 26 drives the right turntable 25 and the left turntable 23 connected by the rotating shaft to rotate together. The rotating rotating shaft is finely polished by the grinding block 14. At the same time, the staff can control the movement of the electric guide rail 12 to realize the change of the position of the grinding block 14, and the grinding effect is better. The clamping block at the opposite end of the grinding block 14 and the threaded sleeve 274 is set to an arc to increase the contact area with the outer wall of the rotating shaft, so that the grinding and fixing effects are better.

[0050] Embodiment 2

[0051] On the basis of the first embodiment, an auxiliary function is added.

[0052] See also Figure 1-4 , the inner wall of the clamping block arranged at the opposite end of the threaded sleeve 274 is provided with an anti-slip pad 3. The outer wall of the threaded sleeve 274 at one end close to the gear 276 is symmetrically provided with a limit block 4. The inner wall of the through groove opened on the processing table 11 for the electric guide rail 12 and the threaded block 212 to move is provided with a telescopic shell 5, the electric guide rail 12 and the threaded block 212 pass through the telescopic shell 5, and the two ends of the telescopic shell 5 are fixedly connected to the threaded block 212 and the outer wall of the electric guide rail 12.

[0053] The anti-skid pad 3 increases the friction between the clamp block and the shaft, and enhances the effect of fixing the shaft. The limit block 4 limits the extension and contraction of the threaded sleeve 274, and prevents the threaded sleeve 274 from completely extending out of the circular frame 271. The telescopic shell 5 is extended and contracted when the moving parts on the electric guide rail 12 and the threaded block 212 move, and the through slots opened on the processing table 11 are blocked to prevent the debris produced after fine grinding from entering the through slots and affecting the normal use of the electric guide rail 12 and the threaded block 212.

[0054] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A motor shaft finishing device, comprising a main assembly (1), wherein the main assembly (1) comprises: A processing table (11) is slidably connected to an electric guide rail (12), and the processing table (11) is symmetrically provided with through grooves for the electric guide rail (12) to slide; An electric push rod (13) is arranged on the top of the electric guide rail (12); A grinding block (14) is arranged on the top of the electric guide rail (12); The feature is that: an adjustment component (2) is arranged on the processing table (11), and the adjustment component (2) comprises: Motor 1 (21), arranged on the right side of the processing table (11); A screw rod (211) is fixedly connected to the output shaft of the motor 1 (21), and the screw rod (211) is rotatably connected to a through slot provided on the processing table (11); A threaded block (212) threadedly connected to the screw rod (211); A left bracket (22) is arranged on the top of the threaded block (212); A left turntable (23) rotatably connected to the right side wall of the left bracket (22); A right bracket (24) is arranged on the top right side of the processing table (11); A right turntable (25) rotatably connected to the left side wall of the right bracket (24); Motor 2 (26) is arranged on the right side wall of the right bracket (24), and the output shaft of motor 2 (26) is fixedly connected to the right turntable (25); The fixing mechanism (27) is symmetrically arranged on the facing surfaces of the right turntable (25) and the left turntable (23).

2. The motor shaft finishing device according to claim 1, characterized in that: The fixing mechanism (27) comprises: A circular frame (271) is fixedly connected to the facing surfaces of the left turntable (23) and the right turntable (25); A worm wheel (272) rotatably connected to the facing surface of the circular frame (271); A bevel gear (273) is fixedly connected to the opposite end of the worm gear (272), and the bevel gear (273) is rotatably connected to the inside of the circular frame (271); A threaded sleeve (274) is symmetrically arranged inside the circular frame (271), the threaded sleeve (274) penetrates and extends to the middle of the circular frame (271), and clamping blocks are arranged at opposite ends of the threaded sleeve (274); A threaded rod (275) threadedly connected to the interior of the threaded sleeve (274); A gear (276) is fixedly connected to the outer end of the threaded rod (275), and the gear (276) is meshed with the bevel gear (273); The worm (277) is arranged on the facing surfaces of the left rotating disk (23) and the right rotating disk (25) through a frame, a hand wheel is arranged on the top of the worm (277), and the worm (277) is meshed with the worm wheel (272).

3. The motor shaft finishing device according to claim 2, characterized in that: The clamping block and the grinding block (14) arranged at the opposite ends of the threaded sleeve (274) are both provided with arc-shaped surfaces.

4. The motor shaft finishing device according to claim 3, characterized in that: The inner wall of the clamping block arranged at the opposite ends of the threaded sleeve (274) is provided with an anti-slip pad (3).

5. The motor shaft finishing device according to claim 4, characterized in that: A limit block (4) is symmetrically arranged on the outer wall of one end of the threaded sleeve (274) close to the gear (276).

6. The motor shaft finishing device according to claim 5, characterized in that: A telescopic shell (5) is provided on the inner wall of a through slot on the processing table (11) for the electric guide rail (12) and the threaded block (212) to move; the electric guide rail (12) and the threaded block (212) penetrate the telescopic shell (5); and two ends of the telescopic shell (5) are fixedly connected to the threaded block (212) and the outer wall of the electric guide rail (12).

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