Clamping assembly for grinding motor commutator

Abstract

The utility model discloses a clamping assembly for polishing a motor commutator. The device comprises a workbench, a supporting frame is arranged at the top end of the workbench, a mounting barrel is arranged at the top end of the supporting frame, an air cylinder is arranged at the bottom end in the mounting barrel, the output end of the air cylinder penetrates through the bottom end of the mounting barrel and is connected with a plug rod, the surface of the mounting barrel is sleeved with a circular rack, and a motor is arranged at the top end of the supporting frame. The output end of the motor extends into the supporting frame and is connected with a gear, the circular rack is meshed with the gear, a mounting ring is arranged at the bottom end of the supporting frame, three sets of first electric telescopic rods are evenly arranged at the bottom end of the mounting ring, connecting blocks are arranged at the output ends of the first electric telescopic rods, and springs are arranged on the inner walls of the connecting blocks. When the motor commutator grinding device is used, different motor commutators can be clamped, steering is supported in the clamping process, and grinding is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical automation and tool design technical field, concretely is a kind of clamping assembly for motor commutator polishing. BACKGROUND

[0002] The polishing of motor commutator is a key step in motor maintenance and maintenance, which aims to remove the wear, burn marks and impurities on the surface of the commutator, restore its smoothness and flatness, so as to ensure the stable operation of the motor and prolong its service life.

[0003] When polishing the motor commutator, the motor commutator usually needs to be fixed, and the existing clamping tool usually clamps the surface, and cannot be turned after clamping, so it needs to change the clamping direction many times, and the steps are complicated to use. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of clamping assembly for motor commutator polishing to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: including workbench, the workbench top is equipped with support frame, the support frame top is equipped with installation cylinder, the installation cylinder inside bottom is equipped with air cylinder, the air cylinder output end penetrates installation cylinder bottom and is connected with the rod that is equipped with, the installation cylinder surface is equipped with circular rack, the support frame top is equipped with motor, the motor output end extends to the inside of support frame and is connected with the gear that is equipped with, the circular rack and gear are engaged, the support frame bottom is equipped with mounting ring, the mounting ring bottom is uniformly equipped with three groups of electric telescopic rod one, the electric telescopic rod one output end is equipped with connecting block, the connecting block inner wall is equipped with spring, the spring other end is equipped with connecting rod, the connecting rod other end is equipped with clamping block.

[0006] Preferably, the workbench top is rotatably provided with a support table, and the support table top is provided with a positioning block.

[0007] Preferably, the workbench top is provided with two groups of scrap collecting boxes, and the scrap collecting boxes are provided with handles on one side.

[0008] Preferably, the support frame bottom is provided with a protective cover, and the protective cover is uniformly provided with three groups of electric telescopic rods two on one side inside, and the electric telescopic rods two output ends are provided with top blocks.

[0009] Preferably, the installation cylinder is rotatably connected with the support frame, and the mounting ring is rotatably connected with the support frame.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] By placing the center slot of the motor commutator on the positioning block of the support table, the electric telescopic rod one extends the connecting block downward, the connecting block is inserted into the center slot of the motor commutator, the cylinder presses down the plug rod, the plug rod extrudes the clamping block downward, the clamping block extrudes the inner wall of the center slot of the motor commutator, and the clamping is completed. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the clamping assembly for motor commutator polishing of the utility model;

[0013] Figure 2 It is a whole side structure schematic view of the clamping assembly for motor commutator polishing of the utility model;

[0014] Figure 3 It is a front structure schematic view of the support frame of the clamping assembly for motor commutator polishing of the utility model;

[0015] Figure 4 It is a bottom end structure schematic view of the support frame of the clamping assembly for motor commutator polishing of the utility model.

[0016] In the drawing: 1, workbench; 2, support frame; 3, installation cylinder; 4, cylinder; 5, plug rod; 6, circular rack; 7, motor; 8, gear; 9, electric telescopic rod one; 10, connecting block; 11, spring; 12, connecting rod; 13, clamping block; 14, mounting ring; 16, support table; 17, positioning block; 18, scrap collecting box; 19, handle; 20, protective cover; 21, electric telescopic rod two; 22, top block. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] Please refer to Figures 1-4The utility model provides a technical scheme: through adopting above technical scheme, including workbench 1, workbench 1 top is equipped with support frame 2, support frame 2 top is equipped with installation cylinder 3, installation cylinder 3 inside bottom is equipped with cylinder 4, cylinder 4 output end penetrates installation cylinder 3 bottom and is connected with the rod 5 that is equipped with, installation cylinder 3 surface is equipped with circular rack 6, support frame 2 top is equipped with motor 7, motor 7 output end extends to support frame 2 inside and is connected with the gear 8 that is equipped with, circular rack 6 and gear 8 are engaged, support frame 2 bottom is equipped with mounting ring 14, mounting ring 14 bottom is evenly equipped with three groups of electric telescopic link one 9, electric telescopic link one 9 output end is equipped with connecting block 10, connecting block 10 inner wall is equipped with spring 11, spring 11 other end is equipped with connecting rod 12, connecting rod 12 other end is equipped with clamping block 13.

[0019] Refer to Figure 2 , workbench 1 top is rotatably equipped with support table 16, and the top of the support table 16 is equipped with a positioning block 17.

[0020] Through the above technical scheme, the center groove of the motor commutator is placed on the positioning block 17 of the support table 16 for quick positioning, which facilitates subsequent clamping.

[0021] Refer to Figure 2 , the top of the workbench 1 is equipped with two groups of scrap collecting boxes 18, and one side of each scrap collecting box 18 is equipped with a handle 19.

[0022] Through the above technical scheme, the debris generated after polishing can be collected in the scrap collecting box 18, which facilitates subsequent cleaning.

[0023] Refer to Figure 1 , the bottom of the support frame 2 is equipped with a protective cover 20, and three groups of electric telescopic rods two 21 are evenly arranged on one side of the inside of the protective cover 20, and the output end of each electric telescopic rod two 21 is equipped with a top block 22.

[0024] Through the above technical scheme, the protective cover 20 can prevent the debris from scattering and being difficult to clean, and by placing the motor commutator in the support table 16, the motor commutator is lifted to the center position by the electric telescopic rod two 21, which facilitates clamping.

[0025] Refer to Figure 4 , the installation cylinder 3 is rotatably connected with the support frame 2, and the mounting ring 14 is rotatably connected with the support frame 2.

[0026] Through the above technical scheme, the gear 8 is driven to rotate by the motor 7, and under the meshing action, the circular rack 6 rotates, thereby driving the installation cylinder 3 to rotate, so that the clamped motor commutator can rotate, and the clamped electric telescopic rod one 9 and the mounting ring 14 rotate synchronously with the motor commutator.

[0027] Working principle: by placing the center slot of the motor commutator on the positioning block 17 of the supporting table 16, the electric telescopic rod two 21 ejects the top block 22, the motor commutator is topped to the center position, the electric telescopic rod one 9 extends downward and connects the block 10, the connecting block 10 is extended into the center slot of the motor commutator, the cylinder 4 presses down the plug rod 5, the plug rod 5 extrudes the clamping block 13 downward, so that the clamping block 13 extrudes the inner wall of the center slot of the motor commutator, and the clamping is completed.At the same time, the electric telescopic rod two 21 is retracted, after the front polishing of the motor commutator is completed, the gear 8 is driven to rotate by the motor 7, under the meshing action, the circular rack 6 rotates, so as to drive the installation cylinder 3 to rotate, so that the clamped motor commutator can rotate, and the other surfaces can be polished, at the same time, the protective cover 20 can prevent the debris from flying and being difficult to clean, so that the debris is concentrated in the protective cover 20, and the debris can be concentrated and collected into the chip collecting box 18, and subsequent concentrated cleaning is facilitated.

[0028] The utility model discloses in using, can be clamped to different motor commutator, and support steering in clamping process, make polishing more convenient.

[0029] It should be noted that in this text, such as first and second relationship terms only to distinguish one entity or operation from another entity or operation, and does not necessarily require or imply that there is any such actual relationship or order between the entities or operations.And, the term "includes", "contains" or its any other variant is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or includes elements inherent in such process, method, article or equipment.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A clamping assembly for commutator grinding of an electric machine, comprising a worktable (1), characterized in that: The workbench (1) top is equipped with support frame (2), the support frame (2) top is equipped with installation cylinder (3), the installation cylinder (3) inside bottom is equipped with pneumatic cylinder (4), the pneumatic cylinder (4) output end penetrates installation cylinder (3) bottom and is connected with plug rod (5), the installation cylinder (3) surface is equipped with circular rack (6), the support frame (2) top is equipped with motor (7), the motor (7) output end extends to support frame (2) inside and is connected with gear (8), the circular rack (6) and gear (8) are engaged, the support frame (2) bottom is equipped with mounting ring (14), the mounting ring (14) bottom is evenly equipped with three groups of electric telescopic rod one (9), the electric telescopic rod one (9) output end is equipped with connecting block (10), the connecting block (10) inner wall is equipped with spring (11), the spring (11) other end is equipped with connecting rod (12), the connecting rod (12) other end is equipped with clamping block (13).

2. A clamping assembly for commutator grinding of an electric machine according to claim 1, characterized in that: The workbench (1) top is rotatably provided with a support table (16), and the support table (16) top is provided with a positioning block (17).

3. A clamping assembly for commutator grinding of an electric machine according to claim 1, characterized in that: The workbench (1) top is provided with two groups of scrap collecting boxes (18), and the scrap collecting boxes (18) are provided with handles (19) on one side.

4. A clamp assembly for commutator grinding of an electric machine according to claim 1, characterized in that: The support frame (2) bottom is equipped with protective cover (20), the protective cover (20) inside one side is evenly equipped with three groups of electric telescopic rod two (21), and the electric telescopic rod two (21) output end is equipped with top block (22).

5. A clamp assembly for commutator grinding of an electric machine according to claim 1, characterized in that: The installation cylinder (3) is rotatably connected with the support frame (2), and the mounting ring (14) is rotatably connected with the support frame (2).

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