CN115179185A - Generator carbon brush grinding machine with uniform contact - Google Patents

Abstract

The invention discloses a generator carbon brush grinding machine with uniform contact, which relates to the field of carbon brush grinding and comprises a machine body, wherein a mounting plate is arranged in the machine body, a grinding assembly is arranged at the top of the mounting plate, and comprises a driving motor positioned at the top of the machine body, a sliding chute positioned at the top of the mounting plate and a fixing box.

Description

A generator carbon brush grinder with uniform contact

technical field

The invention relates to the field of carbon brush grinding, in particular to a generator carbon brush grinder with uniform contact.

Background technique

Carbon brush: Also called electric brush, as a sliding contact piece, it is widely used in many electrical equipment. Carbon brushes are mainly used in product application materials such as graphite, grease-impregnated graphite, and metal (including copper, silver) graphite. A carbon brush is a device that transmits energy or signals between the fixed part and the rotating part of a motor or generator or other rotating machinery. It is generally made of pure carbon and coagulant. There is a spring to press it on the rotating shaft. When the motor rotates, the electric energy is sent to the coil through the commutator. Because its main component is carbon, it is called a carbon brush.

The existing carbon brush grinding method is: grinding the brush surface of the carbon brush with sandpaper or abrasive cloth. The disadvantages of this treatment are as follows: 1. Low efficiency, troublesome grinding process, repeated debugging, repeated grinding, time-consuming, and manual grinding has the characteristics of large errors and low accuracy; 2. At the same time, during the grinding process, there will be A large amount of dust and powder, carbon powder cannot be effectively recovered, which will cause serious harm to the operator's body and affect the production environment.

SUMMARY OF THE INVENTION

Based on this, the purpose of the present invention is to provide a generator carbon brush grinder with uniform contact, so as to solve the technical problems of low efficiency, troublesome grinding process and ineffective recovery of carbon powder, which will cause serious injury to the operator's body.

In order to achieve the above purpose, the present invention provides the following technical solutions: a generator carbon brush grinding machine with uniform contact, including a body, the interior of the body is provided with a mounting plate, the top of the mounting plate is provided with a grinding component, the The grinding assembly includes a drive motor on the top of the body, a chute on the top of the mounting plate, and a fixed box, the output end of the drive motor is connected with a reciprocating screw, and a dust collection assembly is installed under the interior of the body. The assembly includes a piston box, a dust box, a through hole and a dust cover at the bottom of the fixed box.

Further, the outer surface of the reciprocating screw rod is sleeved with a threaded sleeve, the interior of the chute is fixed with a grinding plate through a sliding block, and both sides of the threaded sleeve are hinged with the grinding plate through a connecting rod, and the fixed A top plate is attached to the underside of the box by springs.

By adopting the above technical solution, the left and right reciprocating motion of the grinding plate can reciprocate the grinding of the top of the carbon brush, thereby improving the grinding effect of the carbon brush.

Further, the dust collecting assembly also includes a threaded block located on the outer surface of the reciprocating screw rod, the bottom of the threaded block is connected with a piston rod on both sides, the bottom end of the piston rod is connected with a piston plate, and the piston box is One side of the piston box is communicated with the dust collecting hood through an air extraction pipe, and the other side of the piston box is communicated with a dust collecting box through an air outlet pipe, and a filter screen is installed inside the dust collecting box.

By adopting the above technical solution, after the reciprocating screw rod rotates, the piston plate can perform piston movement in the piston box, so that the generated powder can be discharged into the dust collecting box.

Further, one-way valves are installed on the outer surfaces of the air suction pipe and the air outlet pipe.

By adopting the above technical solutions, the one-way valve on the air extraction pipe can prevent the powder from returning to the fixed box when dust is discharged, and the one-way valve on the air outlet pipe can make the powder extraction effect more ideal.

Further, two sets of the fixing boxes are provided, and sealing doors are installed on the outer surfaces of the two sets of the fixing boxes.

By adopting the above technical solution, the sealing door makes it more convenient to place and take out the carbon brushes.

Further, there are multiple sets of the springs, and the multiple sets of the springs are all made of manganese steel.

By adopting the above technical solution, the spring keeps the carbon brush in the top state all the time, so that the grinding of the carbon brush is more uniform and the grinding effect is good.

To sum up, the present invention mainly has the following beneficial effects:

1. The present invention is provided with a grinding component. When grinding the carbon brush, the staff places the carbon brush on the top plate. Under the action of the spring and the top plate, the top of the carbon brush is always in top contact with the bottom of the grinding plate. Then the staff starts the drive motor, the drive motor rotates to make the reciprocating screw rotate, and the reciprocating screw rotates to make the threaded sleeve reciprocate up and down on the reciprocating screw, and then push the grinding plate to move left and right through the connecting rod. Grinding the top of the carbonic acid, the grinding machine has a simple structure, is convenient and practical, can complete automatic grinding, and has few manual intervention steps, saving a lot of manpower and material resources;

2. The present invention is provided with a dust-collecting component. When grinding, the grinding plate is always covered in the fixed box, so the ground powder will not be scattered. When the reciprocating screw rotates, the threaded block is on the reciprocating screw at the same time. Move up and down, so that the piston rod drives the piston plate to do piston movement in the piston box. When the piston plate moves upward, powder and air can be drawn into the piston box through the exhaust pipe, dust cover and through hole. When moving down, the air and dust are filled into the dust collection box through the air outlet, and the filter screen processes the air and dust, and the dust stays in the dust collection box, which is convenient for the recovery of powder and avoids the powder on the body of the staff. cause some damages.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structure schematic diagram of the fixed box of the present invention;

Fig. 3 is the structural representation of the piston plate of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 of the present invention.

In the figure: 1. Body; 2. Mounting plate; 3. Grinding assembly; 301, Drive motor; 302, Reciprocating screw; 303, Threaded sleeve; 304, Connecting rod; 305, Grinding plate; 306, Slider; 307, Chute; 308, fixed box; 309, spring; 310, top plate; 311, sealing door; 4, dust collection assembly; 401, piston box; 402, threaded block; 403, piston rod; 404, piston plate; 405, out Trachea; 406, dust box; 407, filter; 408, exhaust pipe; 409, through hole; 410, dust hood.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

The embodiments of the present invention will be described below based on the overall structure of the present invention.

A generator carbon brush grinder with uniform contact, as shown in Figures 1-4, includes a body 1, the interior of the body 1 is provided with a mounting plate 2, and the top of the mounting plate 2 is provided with a grinding assembly 3.

Specifically, the grinding assembly 3 includes a drive motor 301 on the top of the body 1, a chute 307 on the top of the mounting plate 2, and a fixing box 308. The output end of the drive motor 301 is connected with a reciprocating screw 302. The outer surface of the reciprocating screw 302 A threaded sleeve 303 is sleeved, a grinding plate 305 is fixed inside the chute 307 through a sliding block 306, two sides of the threaded sleeve 303 are hinged with the grinding plate 305 through a connecting rod 304, and the bottom of the fixing box 308 is connected with a spring 309. The top plate 310 and the grinding plate 305 can reciprocate the top plate 310 and the grinding plate 305 to grind the top of the carbon brush, which improves the grinding effect of the carbon brush.

Specifically, the dust collecting assembly 4 includes a piston box 401 , a dust collecting box 406 , a through hole 409 located at the bottom of the fixed box 308 and a dust collecting cover 410 , and the dust collecting assembly 4 also includes a threaded block located on the outer surface of the reciprocating screw rod 302 402, both sides of the bottom of the threaded block 402 are connected with a piston rod 403, the bottom end of the piston rod 403 is connected with a piston plate 404, one side of the piston box 401 is communicated with the dust collection cover 410 through an air extraction pipe 408, and the other side of the piston box 401 is connected. One side is communicated with the dust collecting box 406 through the air outlet pipe 405 . A filter screen 407 is installed in the dust collecting box 406 , and the piston moves in the piston box 401 , and then the generated powder can be discharged into the dust collecting box 406 .

Referring to FIGS. 1 and 4 , in the above embodiment, one-way valves are installed on the outer surfaces of the exhaust pipe 408 and the exhaust pipe 405. The one-way valve on the exhaust pipe 408 can prevent the powder from returning to the fixing box 308 when dust is discharged. The one-way valve on the air outlet pipe 405 can make the effect of extracting powder more ideal.

Referring to FIGS. 1 , 2 and 4 , in the above-mentioned embodiment, two groups of fixing boxes 308 are provided, and sealing doors 311 are installed on the outer surfaces of the two groups of fixing boxes 308 . The sealing doors 311 allow the carbon brushes to be placed and taken out more convenient.

Referring to FIG. 1 and FIG. 4 , in the above-mentioned embodiment, the springs 309 are provided with multiple groups, and the multiple groups of springs 309 are all made of manganese steel material. The springs 309 keep the carbon brushes in the top state all the time, thereby making the carbon brushes more stable when grinding. Uniform and good grinding effect.

The implementation principle of this embodiment is as follows: first, the staff puts the grinding machine in place, and when grinding the carbon brushes, the staff places the carbon brushes on the top plate 310 , under the action of the spring 309 and the top plate 310 , the carbon brushes The top of the grinding plate 305 is always in top contact with the bottom of the grinding plate 305, and then the worker starts the driving motor 301, the driving motor 301 rotates to make the reciprocating screw 302 rotate, and the reciprocating screw 302 rotates so that the threaded sleeve 303 goes up and down on the reciprocating screw 302 Reciprocating motion, and then push the grinding plate 305 to move left and right through the connecting rod 304. During the movement, the top of the carbonic acid can be ground. When grinding, the grinding plate 305 is always covered in the fixed box 308, so the ground powder will not When the reciprocating screw rod 302 rotates, the threaded block 402 moves up and down on the reciprocating screw rod 302 at the same time, so that the piston rod 403 drives the piston plate 404 to perform piston movement in the piston box 401. When the piston plate 404 moves upward , the powder and air can be drawn into the piston box 401 through the air suction pipe 408, the dust collecting cover 410 and the through hole 409. When the piston plate 404 moves downward, the air and dust can be filled into the dust collecting box 406 through the air outlet pipe 405. Inside, the filter 407 processes the air and dust, and the dust stays in the dust box 406 .

Although embodiments of the present invention have been shown and described, the specific embodiments are merely illustrative of the present invention, and are not intended to limit the invention, and the specific features, structures, materials or characteristics described may be used in any one or more of The embodiments or examples are combined in a suitable manner, and those skilled in the art can make modifications and replacements without creative contribution to the embodiments as required without departing from the principles and purposes of the present invention after reading this specification. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims (6)

1. A generator carbon brush grinder with uniform contact, comprising a body (1), characterized in that: a mounting plate (2) is provided inside the body (1), and a top of the mounting plate (2) is provided There is a grinding assembly (3), the grinding assembly (3) includes a drive motor (301) located on the top of the body (1), a chute (307) located on the top of the mounting plate (2), and a fixing box (308), the The output end of the drive motor (301) is connected with a reciprocating screw rod (302), a dust collecting assembly (4) is installed under the inside of the body (1), and the dust collecting assembly (4) includes a piston box (401) , a dust collecting box (406), a through hole (409) at the bottom of the fixing box (308) and a dust collecting cover (410). 2. The generator carbon brush grinder with uniform contact according to claim 1, characterized in that: the outer surface of the reciprocating screw (302) is sleeved with a threaded sleeve (303), and the chute (303) The interior of 307 is fixed with a grinding plate (305) through a sliding block (306), two sides of the threaded sleeve (303) are hinged with the grinding plate (305) through connecting rods (304), and the fixing box (308) There is a top plate (310) connected to the lower part of the inner part through a spring (309). 3. The generator carbon brush grinder with uniform contact according to claim 1, wherein the dust collecting assembly (4) further comprises a threaded block (402) located on the outer surface of the reciprocating screw (302). ), a piston rod (403) is connected to both sides of the bottom of the threaded block (402), a piston plate (404) is connected to the bottom end of the piston rod (403), and one side of the piston box (401) passes through The air extraction pipe (408) is communicated with the dust collecting hood (410), the other side of the piston box (401) is communicated with the dust collecting box (406) through the air outlet pipe (405), and the dust collecting box (406) A filter (407) is installed inside the . 4 . The generator carbon brush grinder with uniform contact according to claim 3 , wherein a check valve is installed on the outer surfaces of the air extraction pipe ( 408 ) and the air outlet pipe ( 405 ). 5 . 5. The generator carbon brush grinder with uniform contact according to claim 1, characterized in that: the fixing boxes (308) are provided with two groups, and the outer surfaces of the fixing boxes (308) of the two groups are both A sealing door (311) is installed. 6 . The generator carbon brush grinder with uniform contact according to claim 2 , wherein the springs ( 309 ) are provided with multiple groups, and the multiple groups of the springs ( 309 ) are all made of manganese steel materials. 7 . made.

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