CN111890148A - Carbon-carbon rotary body surface precision grinding equipment and its use method - Google Patents

Abstract

The invention discloses a carbon-carbon rotary body surface precision grinding equipment and its use method, including a base plate and a grinding mechanism, the grinding mechanism includes a vertical support shell and a third motor, and the output shaft end of the third motor is connected to the box through a second coupling The lower end of the second screw rod in the shell is connected, the box shell is fixed on the vertical support shell through the fixing connecting plate and the first screw, the second screw rod is provided with a second screw rod nut, and the side end of the second screw rod nut is fixed The set horizontal plate protrudes from the through groove, the front end surface of the horizontal plate is provided with a guide rod fixing seat and a guide rod, the guide rod is matched with the guide block on the vertical movable plate, and the lower end of the vertical movable plate is provided with a pneumatic angle grinder. A clamping mechanism is provided below the angle grinder. The invention can realize the clamping, conveying and grinding operations of the carbon-carbon rotary body, reduce the labor intensity of manual grinding, improve the grinding efficiency, meet the grinding requirements of carbon-carbon composite material rotary bodies of different heights and types, and has practicality and creativity. very strong.

Description

Carbon-carbon rotary body surface precision grinding equipment and its use method

technical field

The invention relates to the technical field of carbon-carbon rotary body grinding, in particular to carbon-carbon rotary body surface precision grinding equipment and a method for using the same.

Background technique

Carbon-carbon rotary structural parts are widely used and have a large market demand. In the process of product preparation, the carbon fiber preform needs to undergo several processes such as chemical vapor deposition, impregnation, and carbonization. After each process is completed, there will be many burrs, carbon nodules, carbon powder and other attachments on the surface of the carbon fiber preform, so the surface must be polished and cleaned.

Since most of the carbon-carbon rotors are cylindrical structures, there are the following technical problems during the grinding operation: 1. The carbon-carbon rotors have different models and specifications, and it is difficult for conventional fixed clamping devices to perform self-centering and positioning operations. The clamping is difficult and the clamping efficiency is low, resulting in uneven surface during the grinding operation, and it is difficult to meet the grinding operation needs of the large-scale processing of the enterprise. 2. It is necessary for the employees of the enterprise to transport the clamped carbon-carbon rotary body to the location of the grinding mechanism. The transportation is difficult and labor-intensive, which greatly consumes the physical strength of the employees of the enterprise, and the transportation efficiency is poor, which greatly increases the labor cost of the enterprise. Reduced economic benefits; 3. In the process of transporting the clamped carbon-carbon rotary body to the position of the grinding mechanism, the workpiece and the clamp body inevitably vibrate, and the larger the size of the part to be processed, the easier it is to offset and slide , resulting in unstable clamping phenomenon; 4. The existing grinding method is that the staff grinds the surface of the carbon-carbon rotary body with a hand-held grinding machine, which is labor-intensive, requires high arm strength of the staff, and is accompanied by the continuous grinding work. 4. During the grinding operation of the clamped carbon-carbon rotary body by the grinding device, the uneven quality of the workpiece will cause a horizontal plane The beating causes uneven or excessive grinding of the surface of the workpiece during the grinding process, which greatly affects the processing quality and appearance quality of the product, resulting in an increase in the rejection rate, which is not conducive to the development of the enterprise; therefore, our company has made improvements in response to the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the above problems, to provide a carbon-carbon rotary body surface precise grinding equipment and its use method, which can realize the clamping, conveying and grinding operations of the carbon-carbon rotary body, which is simple to operate, easy to use, and reduces the need for manual grinding. Labor intensity, improve grinding efficiency, meet the grinding needs of carbon-carbon composite materials of different heights and models, and are very practical and creative.

In order to achieve the above purpose, the technical scheme adopted in the present invention is: a carbon-carbon rotary body surface precision grinding equipment, including a base plate and a grinding mechanism, the grinding mechanism includes a vertical support shell and a third motor arranged at a distance from the base plate, and the third motor The output shaft end is connected with the lower end of the second screw rod in the box shell through the second coupling, the box shell is fixed on the vertical support shell through the fixed connecting plate and the first screw, and the second screw rod is between the box shell A second bearing is arranged, a second screw nut is matched on the second screw rod, and a horizontal plate fixedly arranged at the side end of the second screw nut extends out of the through groove, and the front end surface of the horizontal plate is provided with a guide rod fixing seat and a guide rod, The guide rod matches the guide block on the vertical movable plate. The lower end of the vertical movable plate is provided with a pneumatic angle grinder for grinding the surface of the carbon-carbon rotary body. Clamping mechanism, the lower end of the clamping mechanism is connected to the rotating shaft, and the rotating shaft passes through the lower end of the support frame and is connected with the first motor output shaft end on the movable table through the first coupling. The direction of the vertical support shell is horizontal and linear, and a shock-absorbing balance mechanism for shock-absorbing is arranged between the movable platform and the support frame.

As a further optimization of the present invention, a rotating cylinder is fixed on the front end surface of the vertical movable plate, the output shaft end of the rotating cylinder is connected to the swinging plate, and the swinging plate is fixedly connected to the pneumatic angle grinder through the retaining ring in the shape of a semi-circle structure, and the pneumatic angle grinder The grinding head of the machine can contact the surface of the carbon-carbon rotor.

As a further optimization of the present invention, the vertical movable plate is connected to the telescopic shaft end of the cylinder through the second screw and the transition plate, the cylinder is arranged on the cylinder mounting seat on the upper part of the bracket, and the bracket is fixedly installed on the horizontal plate through the third screw. front end.

As a further optimization of the present invention, the clamping mechanism includes an end cover, the lower surface of the end cover is connected to the upper end of the rotating shaft through a fourth bolt, the end cover is connected to the lower cover plate through a third bolt, a support seat is arranged above the lower cover plate, and the support seat A spiral turntable is arranged above, and the upper surface of the spiral turntable is matched with the threaded bosses on the lower surface of the movable plate body through the threaded groove. The center is distributed in a circular array.

As a further optimization of the present invention, a bevel gear is arranged on the side end of the support seat and below the spiral turntable, and the bevel tooth surface of the bevel gear meshes with the bevel tooth surface at the bottom of the spiral turntable for transmission, and the end of the bevel gear away from the support seat is provided with a rectangular blind hole , when the bevel gear rotates, it can drive the helical turntable to rotate, so that the movable plate body moves closer to or away from the center of the upper cover plate.

As a further optimization of the present invention, the upper cover plate, the support seat and the lower cover plate are connected by a second bolt, a flexible pad is arranged between the lower cover plate and the end cover, the flexible pad is made of rubber material, and the side of the jaw is arranged Has anti-slip bumps.

As a further optimization of the present invention, the shock-absorbing balance mechanism includes an upper connecting plate, the upper connecting plate is connected to the support frame through a fifth bolt, a first bearing is arranged between the support frame and the rotating shaft, and the piston rod in the center of the bottom of the upper connecting plate extends downward into A spring is arranged inside the tube sleeve, and the lower end of the tube sleeve is connected to the movable table through the sixth bolt and the lower connecting plate.

As a further optimization of the present invention, the lower surface of the movable table is spaced with sliders, and the sliders are matched with the guide rails on the base plate, the center of the bottom of the movable table is fixed with a first screw nut, and the first screw nut is connected to the second motor. Match the first lead screw at the output shaft end.

As a further optimization of the present invention, the use method of the carbon-carbon rotary body surface precision grinding equipment, step A: the carbon-carbon rotary body is placed between the jaws, the staff inserts the chuck wrench into the rectangular blind hole, and rotates the bevel gear Thereby, the clamping mechanism clamps the carbon-carbon composite material rotating body;

Step B: The second motor is driven, the movable table performs vertical horizontal linear motion on the base plate, and the clamping mechanism and the carbon-carbon composite material rotating body workpiece are transported to the right under the pneumatic angle grinder, so as to prepare for the grinding operation;

Step C: Drive the air cylinder and the third motor to make the pneumatic angle grinder hover at the to-be-processed position of the carbon-carbon composite material rotating body, and drive the pneumatic angle grinder to grind the surface of the carbon-carbon composite material rotating body.

Beneficial effects of the present invention: The present invention provides a carbon-carbon rotary body surface precise grinding equipment and a method for using the same, which can realize the clamping, conveying and grinding operations of the carbon-carbon rotary body, which is simple to operate, easy to use, and reduces the need for manual grinding. Labor intensity, improve grinding efficiency, meet the grinding needs of carbon-carbon composite materials of different heights and models, and are very practical and creative.

1. The present invention is provided with a clamping mechanism, the staff inserts the chuck wrench into the rectangular blind hole, rotates the bevel gear, and the bevel gear can drive the spiral turntable to rotate when it rotates, so that the movable plate body is mutually toward the center of the upper cover plate. Move closer or farther, so that the jaws can self-centering and clamp the carbon-carbon rotary body, with high stability, which can meet the needs of different types of carbon-carbon rotary body grinding operations.

2. The present invention is provided with a second motor, a movable table, a slider, a guide rail, a first screw nut, and a first screw, which drives the second motor and can drive the clamping mechanism and the carbon-carbon rotary workpiece to pass through the vertical support. The shell is transported to the bottom of the pneumatic angle grinder, replacing the traditional manual transport method, reducing labor intensity and improving labor efficiency.

3. The present invention is provided with a shock-absorbing balance mechanism, which can effectively avoid severe vibration during the transportation of the carbon-carbon rotary workpiece and the clamping mechanism, and can play a role in the grinding process. It prevents the effect of shaking and beating of the carbon-carbon rotary body on the water surface, so as to avoid uneven grinding and unsightly quality of the upper and lower surfaces during the grinding process.

4. The present invention is provided with a grinding mechanism. By driving the cylinder and the third motor, the staff makes the pneumatic angle grinder hover at the position where the carbon-carbon composite material rotor is to be processed, and drives the pneumatic angle grinder to grind the carbon-carbon composite material rotor. The surface is ground to realize mechanized and standardized grinding operations, replacing the traditional manual hand-held grinding method, which not only reduces the labor intensity, but also improves the grinding accuracy and processing quality. economic benefits.

Description of drawings

FIG. 1 is a schematic diagram of the front view structure of the present invention.

FIG. 2 is a schematic top view of the structure of the present invention.

FIG. 3 is a schematic front view of the structure of the clamping mechanism and the shock absorbing balance mechanism in the present invention.

FIG. 4 is a schematic view of the front structure of the position of the clamping mechanism in the present invention.

FIG. 5 is a schematic three-dimensional structure diagram of the position of the jaws in the present invention.

FIG. 6 is a schematic top view of the structure of FIG. 5 .

FIG. 7 is a schematic structural diagram of the position of the second screw nut in the present invention.

FIG. 8 is a schematic diagram of the three-dimensional structure of the vertical movable plate in the present invention.

9 is a schematic diagram of the three-dimensional structure of the pneumatic angle grinder in the present invention.

FIG. 10 is a schematic structural diagram of the shock absorbing balance mechanism in the present invention.

The characters in the figure are marked as follows: 1. Clamping mechanism; 2. Base plate; 3. Grinding mechanism; 4. Damping and balancing mechanism; 101, Claw; 102, First bolt; , threaded boss; 105, upper cover plate; 106, second bolt; 107, spiral turntable; 108, flexible pad; 109, support seat; 110, third bolt; 111, lower cover plate; 112, bevel gear; 113 , rectangular blind hole; 114, end cover; 201, fourth bolt; 202, support frame; 203, first bearing; 204, rotating shaft; 205, first coupling; 206, first motor; 207, movable table; 208, slider; 209, guide rail; 210, first screw nut; 211, first screw; 212, second motor; 301, third motor; 302, vertical support shell; 303, second coupling 304, fixed connection plate; 305, first screw; 306, second screw; 307, box shell; 308, through groove; 309, grinding head; 310, second screw nut; 311, second bearing; 312, horizontal plate; 313, guide rod fixing seat; 314, guide rod; 315, guide block; 316, vertical movable plate; 317, transition plate; 318, second screw; 319, cylinder; 320, third screw; 321, bracket; 322, cylinder mount; 323, rotary cylinder; 324, swing plate; 325, retaining ring; 326, pneumatic angle grinder; 401, upper connecting plate; 402, fifth bolt; 403, piston rod; 404, pipe sleeve; 405, spring; 406, sixth bolt; 407, lower connecting plate.

Detailed ways

In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present invention. .

As shown in FIGS. 1-10 , the specific structure of the present invention is as follows: it includes a base plate 2 and a grinding mechanism 3, and the grinding mechanism 3 includes a vertical support shell 302 and a third motor 301 arranged at a distance on the base plate 2. The third motor 301 The output shaft end is connected to the lower end of the second screw rod 306 in the box shell 307 through the second coupling 303, and the box shell 307 is fixed on the vertical support shell 302 through the fixed connecting plate 304 and the first screw 305, and the first A second bearing 311 is arranged between the two screw rods 306 and the box shell 307 , a second screw rod nut 310 is matched on the second screw rod 306 , and the horizontal plate 312 fixedly arranged at the side end of the second screw rod nut 310 extends through the Slot 308, the front end surface of the horizontal plate 312 is provided with a guide rod fixing seat 313 and a guide rod 314, the guide rod 314 is matched with the guide block 315 on the vertical movable plate 316, and the lower end of the vertical movable plate 316 is provided with carbon-carbon polishing A pneumatic angle grinder 326 on the surface of the rotating body, a clamping mechanism 1 for clamping the carbon-carbon rotating body is arranged below the pneumatic angle grinder 326, the lower end of the clamping mechanism 1 is connected to the rotating shaft 204, and the rotating shaft 204 passes through the lower end of the support frame 202 The part is connected with the output shaft end of the first motor 206 on the movable table 207 through the first coupling 205, and the movable table 207 on the base plate 2 can perform horizontal linear movement along the direction perpendicular to the vertical support shell 302, and the movable table 207 Between the stage 207 and the support frame 202, a shock-absorbing balance mechanism 4 for shock-absorbing is arranged.

Preferably, in order to facilitate the grinding operation on the surface of the carbon-carbon rotary body, a rotating cylinder 323 is fixed on the front end surface of the vertical movable plate 316, the output shaft end of the rotating cylinder 323 is connected to the swinging plate 324, and the swinging plate 324 passes through a semi-circular ring The retaining ring 325 is fixedly connected to the pneumatic angle grinder 326, and the grinding head 309 of the pneumatic angle grinder 326 can contact the surface of the carbon-carbon rotary body.

Preferably, in order to facilitate the grinding and processing operation on the surface of the carbon-carbon rotary body, the vertical movable plate 316 is connected to the telescopic shaft end of the cylinder 319 through the second screw 318 and the transition plate 317, and the cylinder 319 is arranged on the upper part of the bracket 321. On the cylinder mounting seat 322 , the bracket 321 is fixedly mounted on the front end portion of the horizontal plate 312 through the third screw 320 .

Preferably, in order to facilitate the clamping operation of the carbon-carbon rotary body, the clamping mechanism 1 includes an end cover 114 , the lower surface of the end cover 114 is connected to the upper end of the rotating shaft 204 through a fourth bolt 201 , and the end cover 114 is connected by a third bolt. 110 is connected to the lower cover plate 111, a support seat 109 is arranged above the lower cover plate 111, a spiral turntable 107 is arranged above the support seat 109, and the upper surface of the spiral turntable 107 is matched with the threaded boss 104 on the lower surface of the movable plate body 103 through a threaded groove , the movable plate body 103 passes upward through the upper cover plate 105 and is connected to the claws 101 through the first bolts 102 , and the claws 101 are distributed in an annular array along the center of the upper cover plate 105 .

Preferably, in order to facilitate the clamping operation of the carbon-carbon rotary body, a bevel gear 112 is provided at the side end of the support seat 109 and below the spiral turntable 107 , and the bevel gear 112 is beveled with the bevel tooth surface of the bottom of the spiral turntable 107 For meshing transmission, the end of the bevel gear 112 away from the support base 109 is provided with a rectangular blind hole 113. When the bevel gear 112 rotates, it can drive the helical turntable 107 to rotate, so that the movable plate body 103 moves closer to or away from the center of the upper cover plate 105.

Preferably, in order to facilitate the disassembly, maintenance and replacement of the clamping mechanism 1, the upper cover 105, the support base 109 and the lower cover 111 are connected by the second bolts 106, and the lower cover 111 and the end cover 114 are arranged between There is a flexible pad 108, the flexible pad 108 is made of rubber material, and the side of the jaw 1 is provided with anti-slip protrusions.

Preferably, in order to facilitate the realization of shock absorption and buffering for the carbon-carbon rotary workpiece during the conveying process, and to prevent the clamping mechanism 1 and the workpiece from shaking and jumping during the grinding process, the shock-absorbing balance mechanism 4 includes an upper connecting plate 401 , the upper connecting plate 401 is connected to the support frame 202 through the fifth bolt 402, the first bearing 203 is arranged between the support frame 202 and the rotating shaft 204, the piston rod 403 at the bottom center of the upper connecting plate 401 extends downward into the sleeve 404, the sleeve A spring 405 is arranged inside 404 , and the lower end of the tube sleeve 404 is connected to the movable table 207 through the sixth bolt 406 and the lower connecting plate 407 .

Preferably, in order to facilitate the conveying operation of the carbon-carbon rotary workpiece, the lower surface of the movable table 207 is provided with a sliding block 208 at a distance, and the sliding block 208 is matched with the guide rail 209 on the base plate 2, and the center of the bottom of the movable table 207 is fixedly arranged The first screw nut 210 is matched with the first screw 211 at the output shaft end of the second motor 212 .

A method of using precision grinding equipment for the surface of a carbon-carbon rotary body:

Step A: The carbon-carbon revolving body is placed between the jaws 101, the staff inserts the chuck wrench into the rectangular blind hole 113, and rotates the bevel gear 112 so that the clamping mechanism 1 clamps the carbon-carbon composite revolving body;

Step B: The second motor 212 is driven, and the movable table 207 makes a vertical horizontal linear motion on the base plate 2, and the clamping mechanism 1 and the carbon-carbon composite material rotating body workpiece are transported to the right under the pneumatic angle grinder 326, which is a grinding operation. be ready;

Step C: Drive the air cylinder 319 and the third motor 301 to make the pneumatic angle grinder 326 hover at the position where the carbon-carbon composite material rotor is to be processed, and drive the pneumatic angle grinder 326 to grind the surface of the carbon-carbon composite material rotor.

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus.

Specific examples are used herein to illustrate the principles and implementations of the present invention, and the descriptions of the above examples are only used to help understand the method and the core idea of the present invention. The above are only the preferred embodiments of the present invention. It should be pointed out that due to the limited expression of words, there are objectively unlimited specific structures. For those of ordinary skill in the art, without departing from the principles of the present invention However, some improvements, modifications or changes can also be made, and the above-mentioned technical features can also be combined in an appropriate manner; these improvements, modifications, or combinations, or the concept and technical solutions of the invention are directly applied to other occasions without improvement. should be regarded as the protection scope of the present invention.

Claims (9)

1. The carbon-carbon revolving body surface accurate grinding equipment is characterized by comprising a base plate (2) and a grinding mechanism (3), wherein the grinding mechanism (3) comprises a vertical supporting shell (302) and a third motor (301) arranged on the base plate (2) at intervals, the output shaft end of the third motor (301) is connected with the lower end of a second lead screw (306) in a box shell (307) through a second coupler (303), the box shell (307) is fixed on the vertical supporting shell (302) through a fixed connecting plate (304) and a first screw (305), a second bearing (311) is arranged between the second lead screw (306) and the box shell (307), a second lead screw nut (310) is arranged on the second lead screw (306) in a matching manner, a transverse plate (312) fixedly arranged at the side end of the second lead screw nut (310) extends out of a through groove (308), a guide rod fixing seat (313) and a guide rod (314) are arranged on the front end surface of the transverse plate (312), the guide rod (314) is matched with a guide block (315) on the vertical movable plate (316), a pneumatic angle grinder (326) used for grinding the surface of a carbon-carbon revolving body is arranged at the lower end part of the vertical movable plate (316), a clamping mechanism (1) used for clamping the carbon-carbon revolving body is arranged below the pneumatic angle grinder (326), the lower end part of the clamping mechanism (1) is connected with a rotating shaft (204), the rotating shaft (204) penetrates through the lower end part of the support frame (202) and is connected with the output shaft end of a first motor (206) on the movable table (207) through a first coupler (205), the movable table (207) can do horizontal linear motion along the direction perpendicular to the vertical support shell (302) on the base plate (2), and a damping balance mechanism (4) with a damping effect is arranged between the movable table (207) and the support frame (202).

2. The carbon-carbon revolution surface precision grinding equipment as claimed in claim 1, wherein a rotary cylinder (323) is fixedly arranged on the front end face of the vertical movable plate (316), the output shaft end of the rotary cylinder (323) is connected with a swing plate (324), the swing plate (324) is fixedly connected with a pneumatic angle grinder (326) through a semicircular ring-shaped retaining ring (325), and the grinding head (309) of the pneumatic angle grinder (326) can contact the surface of the carbon revolution.

3. The carbon-carbon revolution surface precision grinding equipment as claimed in claim 1, wherein the vertical movable plate (316) is connected with the telescopic shaft end of a cylinder (319) through a second screw (318) and a transition plate (317), the cylinder (319) is arranged on a cylinder mounting seat (322) on the upper portion of a bracket (321), and the bracket (321) is fixedly mounted on the front end portion of the transverse plate (312) through a third screw (320).

4. The carbon-carbon revolution surface precision grinding equipment is characterized in that the clamping mechanism (1) comprises an end cover (114), the lower surface of the end cover (114) is connected with the upper end of a rotating shaft (204) through a fourth bolt (201), the end cover (114) is connected with a lower cover plate (111) through a third bolt (110), a supporting seat (109) is arranged above the lower cover plate (111), a spiral turntable (107) is arranged above the supporting seat (109), the upper surface of the spiral turntable (107) is matched with a threaded boss (104) on the lower surface of a movable plate body (103) through a threaded groove, the movable plate body (103) penetrates through the upper cover plate (105) upwards and is connected with clamping jaws (101) through first bolts (102), and the clamping jaws (101) are distributed along the center of the upper cover plate (105) in an annular array.

5. The carbon-carbon revolving body surface accurate grinding equipment as claimed in claim 4, wherein a bevel gear (112) is arranged at the side end of the supporting seat (109) and below the spiral rotary table (107), the bevel gear surface of the bevel gear (112) is in meshing transmission with the bevel gear surface at the bottom of the spiral rotary table (107), a rectangular blind hole (113) is arranged at one end of the bevel gear (112) far away from the supporting seat (109), and the spiral rotary table (107) can be driven to rotate when the bevel gear (112) rotates, so that the movable plate bodies (103) are close to or far away from each other towards the center of the upper cover plate (105).

6. The carbon-carbon revolving body surface precision grinding equipment is characterized in that the upper cover plate (105), the supporting seat (109) and the lower cover plate (111) are connected through a second bolt (106), a flexible pad (108) is arranged between the lower cover plate (111) and the end cover (114), the flexible pad (108) is made of rubber materials, and the side face of the claw (1) is provided with an anti-skidding bulge.

7. The carbon-carbon rotary body surface accurate grinding equipment is characterized in that the damping balance mechanism (4) comprises an upper connecting plate (401), the upper connecting plate (401) is connected with a support frame (202) through a fifth bolt (402), a first bearing (203) is arranged between the support frame (202) and a rotating shaft (204), a piston rod (403) in the center of the bottom of the upper connecting plate (401) extends downwards into a pipe sleeve (404), a spring (405) is arranged inside the pipe sleeve (404), and the lower end of the pipe sleeve (404) is connected with a movable table (207) through a sixth bolt (406) and a lower connecting plate (407).

8. The carbon-carbon revolution surface precision grinding equipment as claimed in claim 1, wherein the sliding blocks (208) are arranged on the lower surface of the movable table (207) at intervals, the sliding blocks (208) are matched with the guide rails (209) on the base plate (2), the center of the bottom of the movable table (207) is fixedly provided with the first lead screw nut (210), and the first lead screw nut (210) is matched with the first lead screw (211) at the output shaft end of the second motor (212).

9. A method of using the carbon-carbon revolution surface precision grinding equipment according to claim 1,

step A: placing the carbon-carbon revolving body between the clamping jaws (101), inserting a chuck wrench into the rectangular blind hole (113) by a worker, and rotating the bevel gear (112) to enable the clamping mechanism (1) to clamp the carbon-carbon composite revolving body;

and B: driving a second motor (212), enabling the movable table (207) to do longitudinal horizontal linear motion on the base plate (2), and conveying the clamping mechanism (1) and the carbon-carbon composite material revolving body workpiece to the position right below the pneumatic angle grinder (326) to prepare for grinding operation;

and C: and driving the cylinder (319) and the third motor (301) to enable the pneumatic angle grinder (326) to hover at the position to be processed of the carbon-carbon composite material revolving body, and driving the pneumatic angle grinder (326) to polish the surface of the carbon-carbon composite material revolving body.

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