CN111890148A

CN111890148A - Carbon-carbon revolution body surface accurate polishing equipment and use method thereof

Info

Publication number: CN111890148A
Application number: CN202010772277.1A
Authority: CN
Inventors: 刘俊锋
Original assignee: Hunan Carbon Valley New Material Co ltd
Current assignee: Hunan Carbon Valley New Material Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2020-11-06

Abstract

The invention discloses carbon-carbon rotary body surface accurate polishing equipment and a using method thereof, and the equipment comprises a base plate and a polishing mechanism, wherein the polishing mechanism comprises a vertical supporting shell and a third motor, the output shaft end of the third motor is connected with the lower end of a second screw rod in a box shell through a second coupling, the box shell is fixed on the vertical supporting shell through a fixed connecting plate and a first screw, a second screw rod nut is arranged on the second screw rod, a transverse plate fixedly arranged at the side end of the second screw rod nut extends out of a through groove, a guide rod fixing seat and a guide rod are arranged on the front end surface of the transverse plate, the guide rod is matched with a guide block on a vertical movable plate, a pneumatic angle grinder is arranged at the lower end part of the vertical movable plate. The carbon-carbon composite material revolving body grinding machine can realize the operations of clamping, conveying and grinding the carbon-carbon revolving body, reduces the labor intensity of manual grinding, improves the grinding efficiency, meets the grinding requirements of carbon-carbon composite material revolving bodies with different heights and different types, and has strong practicability and creativity.

Description

Carbon-carbon revolution body surface accurate polishing equipment and use method thereof

Technical Field

The invention relates to the technical field of carbon-carbon revolving body grinding, in particular to carbon-carbon revolving body surface accurate grinding equipment and a using method thereof.

Background

The carbon-carbon revolving body structure parts are very widely applied and have large market demand. In the preparation process of the product, the carbon fiber preform needs to be subjected to chemical vapor deposition, impregnation, carbonization and other processes for many times. After each process, a large number of burrs, carbon nodules, carbon powder and other attachments are generated on the surface of the carbon fiber preform, and therefore, the surface must be polished and cleaned.

Because carbon solid of revolution work piece is the drum structure mostly, in the processing operation process of polishing, have following technical problem: 1. the carbon revolving bodies have different models and specifications, the conventional fixed clamping device is difficult to perform self-centering positioning operation on the carbon revolving bodies, the clamping difficulty is high, the clamping efficiency is low, the phenomenon of uneven surface occurs in the polishing operation process, the polishing operation requirements of enterprises for large-batch processing are difficult to meet, the molding quality of the surfaces of the carbon revolving bodies polished and processed is poor, and the stability of the clamp is poor; 2. the clamped carbon-carbon revolving body needs to be conveyed to the position of the polishing mechanism by enterprise staff, so that the transportation difficulty is high, the labor intensity is high, the physical strength of the enterprise staff is greatly consumed, the transportation efficiency is poor, the labor cost of the enterprise is greatly increased, and the economic benefit is reduced; 3. in the process of conveying the clamped carbon-carbon revolving body to the position of the polishing mechanism, the workpiece and the clamp body are not free from vibration, and the larger the specification of the part to be processed is, the more easily the part to be processed is deviated and slides, so that the phenomenon of unstable clamping is caused; 4. the existing polishing mode is that a worker holds a polisher to polish the surface of a carbon revolving body, the labor intensity is high, the requirement on the arm strength of the worker is high, the polishing work is carried out continuously, the arm ache of the worker is difficult to carry out the polishing operation continuously, the polishing and forming quality of a product is poor, 4, in the operation process of polishing the clamped carbon revolving body by a polishing device, the workpiece can jump on a horizontal plane due to the uneven quality of the workpiece, the phenomenon of uneven or excessive polishing on the surface of the workpiece in the polishing process is caused, the processing quality and the appearance forming quality of the product are greatly influenced, the rejection rate is increased, and the enterprise development is not facilitated; therefore, the present invention is improved in view of the above problems.

Disclosure of Invention

The invention aims to solve the problems, provides carbon-carbon revolving body surface accurate polishing equipment and a using method thereof, can realize clamping, conveying and polishing operations of a carbon-carbon revolving body, is simple to operate and convenient to use, reduces the labor intensity of manual polishing, improves the polishing efficiency, meets the polishing requirements of carbon-carbon composite revolving bodies with different heights and different models, and has very strong practicability and creativity.

In order to realize the purpose, the invention adopts the technical scheme that: the carbon revolving body surface accurate polishing device comprises a base plate and a polishing mechanism, wherein the polishing mechanism comprises a vertical supporting shell and a third motor arranged on the base plate at intervals, the output shaft end of the third motor is connected with the lower end of a second screw rod in a box shell through a second coupling, the box shell is fixed on the vertical supporting shell through a fixed connecting plate and a first screw, a second bearing is arranged between the second screw rod and the box shell, a second screw rod nut is arranged on the second screw rod in a matched manner, a transverse plate fixedly arranged at the side end of the second screw rod nut extends out of a through groove, the front end surface of the transverse plate is provided with a guide rod fixing seat and a guide rod, the guide rod is matched with a guide block on a vertical movable plate, the lower end part of the vertical movable plate is provided with a pneumatic angle grinder for polishing the surface of a carbon revolving body, a clamping mechanism for clamping the carbon revolving, the lower tip that the pivot passed the support frame is connected through first shaft coupling and the first motor output shaft end on the movable table, and the movable table can be horizontal linear motion along the direction of the vertical support shell of perpendicular to on the bed plate, and is provided with the shock attenuation balance mechanism who plays the cushioning effect between movable table and the support frame.

As a further optimization of the invention, a rotary cylinder is fixedly arranged on the front end face of the vertical movable plate, the output shaft end of the rotary cylinder is connected with a swinging plate, the swinging plate is fixedly connected with a pneumatic angle grinder through a semicircular retaining ring, and the polishing head of the pneumatic angle grinder can contact the surface of the carbon revolution body.

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

As a further optimization of the invention, the clamping mechanism comprises an end cover, the lower surface of the end cover is connected with the upper end part of the rotating shaft through a fourth bolt, the end cover is connected with a lower cover plate through a third bolt, a supporting seat is arranged above the lower cover plate, a spiral rotary disc is arranged above the supporting seat, the upper surface of the spiral rotary disc is matched with a thread boss on the lower surface of the movable plate body through a thread groove, the movable plate body upwards penetrates through the upper cover plate and is connected with clamping jaws through a first bolt, and the clamping jaws are distributed along the center of the upper cover.

As a further optimization of the invention, a bevel gear is arranged at the side end of the supporting seat and below the spiral turntable, the bevel gear surface of the bevel gear is in meshing transmission with the bevel gear surface at the bottom of the spiral turntable, a rectangular blind hole is arranged at one end of the bevel gear, which is far away from the supporting seat, and the bevel gear can drive the spiral turntable to rotate when rotating, so that the movable plate bodies are close to or far away from each other towards the center of the upper cover plate.

As a further optimization of the invention, the upper cover plate, the supporting seat and the lower cover plate are connected through the second bolt, a flexible pad is arranged between the lower cover plate and the end cover, the flexible pad is made of rubber materials, and the side surface of the clamping jaw is provided with an anti-skid bulge.

As a further optimization of the invention, the damping balance mechanism comprises an upper connecting plate, the upper connecting plate is connected with a support frame through a fifth bolt, a first bearing is arranged between the support frame and the rotating shaft, a piston rod in the center of the bottom of the upper connecting plate extends downwards into a pipe sleeve, a spring is arranged in the pipe sleeve, and the lower end part of the pipe sleeve is connected with a movable table through a sixth bolt and a lower connecting plate.

As a further optimization of the invention, the lower surface of the movable table is provided with slide blocks at intervals, the slide blocks are matched with the guide rails on the base plate, the center of the bottom of the movable table is fixedly provided with a first screw rod nut, and the first screw rod nut is matched with a first screw rod at the output shaft end of the second motor.

As a further optimization of the invention, the use method of the carbon-carbon revolving body surface accurate grinding equipment comprises the following steps: placing the carbon-carbon revolving body between the clamping jaws, inserting a chuck wrench into the rectangular blind hole by a worker, and rotating the bevel gear to enable the clamping mechanism to clamp the carbon-carbon composite revolving body;

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

and C: and the pneumatic angle grinder is driven to grind the surface of the carbon-carbon composite material revolving body.

The invention has the beneficial effects that: the invention provides accurate polishing equipment for the surface of a carbon-carbon revolving body and a using method thereof, which can realize the operations of clamping, conveying and polishing the carbon-carbon revolving body, have simple operation and convenient use, reduce the labor intensity of manual polishing, improve the polishing efficiency, meet the polishing requirements of carbon-carbon composite revolving bodies with different heights and different models, and have very strong practicability and creativity.

1. The clamping mechanism is arranged, a worker inserts the chuck wrench into the rectangular blind hole to rotate the bevel gear, and the bevel gear can drive the spiral rotary table to rotate when rotating, so that the movable plate bodies are close to or far away from each other towards the center of the upper cover plate, the clamping jaws clamp the carbon-carbon rotary body in a self-centering manner, the stability is high, and the use requirements of polishing operation and processing of carbon-carbon rotary bodies of different models are met.

2. The pneumatic angle grinder is provided with the second motor, the movable table, the sliding block, the guide rail, the first lead screw nut and the first lead screw, the second motor is driven, the clamping mechanism and the carbon-carbon revolving body workpiece can be driven to penetrate through the vertical supporting shell and be conveyed to the position right below the pneumatic angle grinder, the traditional manual conveying mode is replaced, the labor intensity is reduced, and the labor efficiency is improved.

3. The carbon revolving body workpiece and the clamping mechanism are provided with the damping balance mechanism, so that severe vibration can be effectively avoided by the damping balance mechanism in the transportation process of the carbon revolving body workpiece and the clamping mechanism, and the damping balance mechanism can play a role in preventing the carbon revolving body from shaking and jumping on the water surface in the polishing process, so that the phenomena of uneven polishing and unattractive upper and lower surface quality in the polishing process are avoided.

4. The pneumatic angle grinder is provided with the grinding mechanism, and a worker can hover the pneumatic angle grinder at the position to be processed of the carbon-carbon composite material revolving body by driving the air cylinder and the third motor, so that the pneumatic angle grinder is driven to grind the surface of the carbon-carbon composite material revolving body, the mechanical and standardized grinding operation is realized, the traditional manual and handheld grinding mode is replaced, the labor intensity is reduced, the grinding precision and the processing quality are improved, and the economic benefit is improved for the large-batch grinding operation of the carbon-carbon composite material revolving body of an enterprise.

Drawings

Fig. 1 is a schematic front view of the present invention.

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

Fig. 3 is a schematic front view of the clamping mechanism and the damping balance mechanism of the present invention.

Fig. 4 is a front view of the clamping mechanism of the present invention.

Fig. 5 is a schematic perspective view of the position of the claw in the present invention.

Fig. 6 is a schematic top view of the structure of fig. 5.

FIG. 7 is a schematic view of a second lead screw nut according to the present invention.

Fig. 8 is a schematic perspective view of the vertically movable plate of the present invention.

FIG. 9 is a schematic perspective view of the pneumatic angle grinder of the present invention.

Fig. 10 is a schematic structural view of the damping balance mechanism of the present invention.

The text labels in the figures are represented as: 1. a clamping mechanism; 2. a base plate; 3. a polishing mechanism; 4. a shock absorbing balance mechanism; 101. a claw; 102. a first bolt; 103. a movable plate body; 104. a threaded boss; 105. an upper cover plate; 106. a second bolt; 107. a spiral turntable; 108. a flexible pad; 109. a supporting seat; 110. a third bolt; 111. a lower cover plate; 112. a bevel gear; 113. a rectangular blind hole; 114. an end cap; 201. a fourth bolt; 202. a support frame; 203. a first bearing; 204. a rotating shaft; 205. a first coupling; 206. a first motor; 207. a movable table; 208. a slider; 209. a guide rail; 210. a first lead screw nut; 211. a first lead screw; 212. a second motor; 301. a third motor; 302. a vertical support housing; 303. a second coupling; 304. fixing the connecting plate; 305. a first screw; 306. a second lead screw; 307. a case housing; 308. a through groove; 309. polishing head; 310. a second feed screw nut; 311. a second bearing; 312. a transverse plate; 313. a guide rod fixing seat; 314. a guide bar; 315. a guide block; 316. a vertical movable plate; 317. a transition plate; 318. a second screw; 319. a cylinder; 320. a third screw; 321. a bracket; 322. a cylinder mounting seat; 323. a rotating cylinder; 324. a swing plate; 325. a retaining ring; 326. a pneumatic angle grinder; 401. an upper connecting plate; 402. a fifth bolt; 403. a piston rod; 404. pipe sleeve; 405. a spring; 406. a sixth bolt; 407. a lower connecting plate.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1 to 10, the specific structure of the present invention is: the grinding mechanism 3 comprises a base plate 2 and a grinding mechanism 3, the grinding mechanism 3 comprises a vertical support 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 screw rod 306 in a box shell 307 through a second coupling 303, the box shell 307 is fixed on the vertical support shell 302 through a fixed connecting plate 304 and a first screw 305, a second bearing 311 is arranged between the second screw rod 306 and the box shell 307, a second screw rod nut 310 is arranged on the second screw rod 306 in a matching way, a transverse plate 312 fixedly arranged at the side end of the second screw rod 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 a vertical movable plate 316, a pneumatic angle grinder 326 used for grinding the surface of a carbon revolution body is arranged at the lower end of the vertical movable plate 316, a clamping, the lower end of the clamping mechanism 1 is connected with a rotating shaft 204, the rotating shaft 204 passes through the lower end of the support frame 202 and is connected with the output shaft end of a first motor 206 on a movable table 207 through a first coupling 205, the movable table 207 can make horizontal linear motion on the base plate 2 along the direction perpendicular to the vertical support shell 302, and a damping balance mechanism 4 with a damping effect is arranged between the movable table 207 and the support frame 202.

Preferably, in order to facilitate the polishing operation on the surface of the carbon-carbon revolution body, a rotating cylinder 323 is fixedly arranged on the front end face of the vertical movable plate 316, the output shaft end of the rotating cylinder 323 is connected with a swinging plate 324, the swinging plate 324 is fixedly connected with a pneumatic angle grinder 326 through a retaining ring 325 of a semicircular ring, and a polishing head 309 of the pneumatic angle grinder 326 can contact the surface of the carbon-carbon revolution body.

Preferably, in order to facilitate the polishing operation on the surface of the carbon-carbon rotating 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, the cylinder 319 is disposed on the cylinder mounting seat 322 on the upper portion of the bracket 321, and the bracket 321 is fixedly mounted on the front end portion of the transverse plate 312 through the third screw 320.

Preferably, in order to facilitate the implementation of the clamping operation on the carbon-carbon revolving body, the clamping mechanism 1 includes an end cover 114, a lower surface of the end cover 114 is connected with an upper end portion of the 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 rotary table 107 is arranged above the supporting seat 109, an upper surface of the spiral rotary table 107 is matched with a thread boss 104 on a lower surface of the movable plate body 103 through a thread groove, the movable plate body 103 upwards passes through the upper cover plate 105 and is connected with the clamping jaws 101 through first bolts 102, and the clamping jaws 101 are distributed along.

Preferably, in order to facilitate the clamping operation of the carbon-carbon revolving body, a bevel gear 112 is arranged at the side end of the supporting seat 109 and below the spiral turntable 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 turntable 107, a rectangular blind hole 113 is arranged at one end of the bevel gear 112, which is far away from the supporting seat 109, and the spiral turntable 107 can be driven to rotate when the bevel gear 112 rotates, so that the movable plate body 103 is close to or far 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 plate 105, the supporting seat 109 and the lower cover plate 111 are connected by the 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 material, and the side surface of the clamping jaw 1 is provided with an anti-skid protrusion.

Preferably, in order to be beneficial to achieving the effect of damping and buffering the carbon-carbon revolving body workpiece in the conveying process and preventing the clamping mechanism 1 and the workpiece from shaking and jumping in the grinding process, the damping balance mechanism 4 comprises an upper connecting plate 401, the upper connecting plate 401 is connected with the supporting frame 202 through a fifth bolt 402, a first bearing 203 is arranged between the supporting frame 202 and the rotating shaft 204, a piston rod 403 in the center of the bottom of the upper connecting plate 401 extends downwards into the pipe sleeve 404, a spring 405 is arranged inside the pipe sleeve 404, and the lower end part of the pipe sleeve 404 is connected with the movable table 207 through a sixth bolt 406 and a lower connecting plate 407.

Preferably, in order to facilitate the conveying operation of the carbon-carbon revolving body workpiece, 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 first lead screw nut 210 is fixedly arranged at the center of the bottom of the movable table 207, 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.

A use method of the precise grinding equipment for the surface of the carbon revolving body comprises the following steps:

step A: placing the carbon rotary 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 composite rotary 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 be right below the pneumatic angle grinder 326 to prepare for grinding operation;

and C: the air cylinder 319 and the third motor 301 are driven, so that the pneumatic angle grinder 326 is suspended at the position to be processed of the carbon-carbon composite material revolving body, and the pneumatic angle grinder 326 is driven to grind the surface of the carbon-carbon composite material revolving body.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims

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.