CN215881267U

CN215881267U - Special fixture for polishing inner hole of engineering ceramic

Info

Publication number: CN215881267U
Application number: CN202122229550.9U
Authority: CN
Inventors: 李奕
Original assignee: Wuxi Institute of Arts and Technology
Current assignee: Wuxi Institute of Arts and Technology
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-02-22
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a special fixture for polishing an inner hole of engineering ceramics, which belongs to the technical field of ceramic processing, and the technical scheme is characterized by comprising a polishing disk, wherein a ceramic body needing to be polished with an inner hole is respectively placed in a plurality of placing grooves, the outer wall of the ceramic body is simultaneously extruded to two clamping plates, the two clamping plates are respectively driven to move away from the ceramic body, and simultaneously a fixed block can be pushed to move, so that the fixed block can apply pressure to connecting rods, the two connecting rods on the same side are respectively driven to move in the opposite directions, the connecting blocks can drive two sliding blocks to slide on the outer walls of the sliding rods, the two sliding blocks can extrude springs, the two springs are compressed, the angle between the two connecting rods on the same side is enlarged, the ceramic body is stably clamped by the two clamping plates until the ceramic body is stably placed in the placing grooves, and further, the ceramic body is prevented from generating displacement in the subsequent polishing process, so that the polishing precision is not influenced.

Description

Special fixture for polishing inner hole of engineering ceramic

Technical Field

The utility model relates to the technical field of ceramic processing, in particular to a special fixture for polishing an inner hole of engineering ceramic.

Background

With the development of structural ceramic technology, the demand of high technology on superhard wear-resistant ceramic parts (such as engineering ceramics for textiles) is increasing year by year, the quality is continuously improved, the requirements of customers on the polishing precision and the surface quality of the internal and external surfaces of hard ceramic formed product parts, especially pipe fittings, are higher and higher, and the surface quality of superhard wear-resistant material manufacturing enterprises must be further improved to meet the requirements of people.

However, the existing engineering ceramic inner hole can not clamp and fix the ceramic body in the polishing process, so that the ceramic body is easy to displace during polishing, and the polishing precision and quality are affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a special fixture for polishing an inner hole of an engineering ceramic, and aims to solve the problem that the polishing precision and quality are influenced because a ceramic body is easy to displace during polishing because the ceramic body cannot be clamped and fixed in the polishing process.

The utility model is realized in such a way, the special fixture for polishing the inner hole of the engineering ceramic comprises a polishing disk, wherein a plurality of uniformly distributed placing grooves are formed in the upper end surface of the polishing disk in a penetrating way, a ceramic body is arranged inside each placing groove, two sliding grooves which are distributed left and right are formed in the inner walls of the placing grooves, sliding rods are arranged inside each sliding groove, the outer walls of the two sliding rods are connected with a sliding block in a sliding way, two clamping plates which are distributed left and right are arranged inside each placing groove, one opposite sides of the two clamping plates are abutted against the outer wall of the ceramic body, one ends of the two clamping plates which are opposite to each other are fixedly connected with a fixed block, one ends of the two fixed blocks which are opposite to each other are movably connected with two connecting rods through a movable shaft, connecting blocks are arranged at the other ends of the four connecting rods, and the other ends of the four connecting blocks are fixedly connected with one ends of the sliding blocks, and a spring is sleeved on the outer wall of the sliding rod between the sliding block and the inner wall of the sliding groove.

In order to realize polishing, the special fixture for polishing the inner hole of the engineering ceramic is preferable, the cover plate is arranged above the polishing disc, and the upper end surface of the cover plate is provided with a plurality of flow guide holes matched with the placing grooves.

In order to support the polishing disk, the clamp special for polishing the inner hole of the engineering ceramic is preferable, the outer wall of the polishing disk is connected with a sleeve in a threaded manner, a supporting plate is installed inside the sleeve, and a through hole matched with the placing groove is formed in the upper end face of the supporting plate in a penetrating manner.

In order to protect the outer wall of the ceramic body, the special fixture for polishing the inner hole of the engineering ceramic is preferably used, one end, close to the ceramic body, of each of the two clamping plates is fixedly connected with a rubber pad, and the opposite ends of the two rubber pads are fixedly connected with a plurality of uniformly distributed rubber bumps.

In order to reduce friction between the sliding blocks and the sliding grooves, the special fixture for polishing the inner hole of the engineering ceramic is preferable, and the four sliding blocks are provided with balls at one ends close to the sliding grooves and are in sliding connection with the sliding grooves through the balls.

In order to better clamp the ceramic body, the special fixture for polishing the inner hole of the engineering ceramic is preferable, the upper end surfaces of the ceramic bodies are provided with inner holes in a penetrating mode, and the two clamping plates are arc-shaped.

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

1. the special fixture for polishing the inner hole of the engineering ceramic is characterized in that a ceramic body needing to polish the inner hole is respectively placed in a plurality of placing grooves, the outer wall of the ceramic body extrudes two clamping plates, the two clamping plates are enabled to respectively move towards the direction far away from the ceramic body, meanwhile, the fixed block can be pushed to move, further, the fixed block can apply pressure to the connecting rods, two connecting rods on the same side are enabled to respectively drive the connecting blocks to move towards the opposite directions, meanwhile, the connecting blocks can drive two sliding blocks to slide on the outer walls of the sliding rods, further, the two sliding blocks can extrude springs, the two springs are enabled to be compressed, meanwhile, the angle between the two connecting rods on the same side is increased until the two clamping plates stably clamp the ceramic body, the ceramic body is stably placed in the placing grooves, further, the displacement of the ceramic body in the subsequent polishing process is avoided, the polishing precision is influenced, and the polishing of a plurality of ceramic bodies can be simultaneously realized, the polishing efficiency is improved;

2. this kind of engineering ceramic hole polishing special fixture has realized polishing a plurality of ceramic bodies simultaneously and can carry out the fixed effect of centre gripping to the ceramic body when polishing, has avoided the problem that the ceramic body produces the displacement and influences the polishing precision in polishing process.

Drawings

FIG. 1 is an overall structure diagram of the special fixture for polishing the inner hole of the engineering ceramic of the utility model;

FIG. 2 is a block diagram of a polishing pad of the present invention;

FIG. 3 is a top view of the arrangement of the placing groove and the ceramic body of the present invention;

FIG. 4 is a perspective view of the clamping plate of the present invention;

fig. 5 is a perspective view of the sleeve of the present invention.

In the figure, 1, a polishing disk; 101. a ceramic body; 102. an inner bore; 2. a placement groove; 201. a chute; 202. a slide bar; 203. a spring; 204. a clamping plate; 2041. a rubber pad; 2042. a rubber bump; 205. a fixed block; 206. a connecting rod; 207. connecting blocks; 208. a slider; 209. a ball bearing; 3. a cover plate; 301. a flow guide hole; 4. a sleeve; 401. a support plate; 402. and a through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-5, the present invention provides a technical solution: a special fixture for polishing an inner hole of engineering ceramics comprises a polishing disk 1, wherein a plurality of uniformly distributed placing grooves 2 are formed in the upper end face of the polishing disk 1 in a penetrating manner, ceramic bodies 101 are arranged inside the placing grooves 2, two sliding grooves 201 which are distributed left and right are formed in the inner walls of the placing grooves 2, sliding rods 202 are arranged inside the two sliding grooves 201, sliding blocks 208 are connected to the outer walls of the two sliding rods 202 in a sliding manner, two clamping plates 204 which are distributed left and right are arranged inside the placing grooves 2, one sides, opposite to the two clamping plates 204, are abutted against the outer wall of the ceramic body 101, fixing blocks 205 are fixedly connected to the opposite ends of the two clamping plates 204, two connecting rods 206 are movably connected to the opposite ends of the two fixing blocks 205 through movable shafts, connecting blocks 207 are arranged at the other ends of the four connecting rods 206, and the other ends of the four connecting blocks 207 are fixedly connected to one ends of the sliding blocks 208, and a spring 203 is sleeved on the outer wall of the sliding rod 202 between the sliding block 208 and the inner wall of the sliding chute 201.

In this embodiment: the ceramic body 101 needing to polish the inner hole 102 is respectively placed in the plurality of placing grooves 2, the outer wall of the ceramic body 101 extrudes the two clamping plates 204, the two clamping plates 204 are enabled to respectively move towards the direction far away from the ceramic body 101, meanwhile, the fixed block 205 can be pushed to move, further, the fixed block 205 can apply pressure on the connecting rod 206, the two connecting rods 206 on the same side are enabled to respectively drive the connecting block 207 to move towards the opposite direction, meanwhile, the connecting block 207 can drive the two sliding blocks 208 to slide on the outer wall of the sliding rod 202, further, the two sliding blocks 208 can extrude the spring 203, the two springs 203 are enabled to compress, meanwhile, the angle between the two connecting rods 206 on the same side is increased until the two clamping plates 204 stably clamp the ceramic body 101, the ceramic body 101 is stably placed in the placing grooves 2, further, the displacement of the ceramic body 101 in the subsequent polishing process is avoided, the polishing accuracy is affected and it is achieved that a plurality of ceramic bodies 101 can be polished at the same time.

As a technical optimization scheme of the utility model, a cover plate 3 is arranged above the polishing disc 1, and a plurality of flow guide holes 301 matched with the placing grooves 2 are formed in the upper end surface of the cover plate 3.

In this embodiment: polishing is achieved by passing polishing fluid through a plurality of deflector holes 301 into the inner bore 102.

As a technical optimization scheme of the utility model, the outer wall of the polishing disc 1 is in threaded connection with a sleeve 4, a supporting plate 401 is arranged inside the sleeve 4, and a through hole 402 matched with the placing groove 2 is formed in the upper end face of the supporting plate 401 in a penetrating mode.

In this embodiment: by screwing the sleeve 4 to the outer wall of the polishing disk 1, the polished fluid can be passed through the through hole 402 into the bottom end inside the sleeve 4 to be stored, and the polishing disk 1 can be supported by the support plate 401.

As a technical optimization scheme of the present invention, one end of each of the two clamping plates 204 close to the ceramic body 101 is fixedly connected with a rubber pad 2041, and the opposite ends of the two rubber pads 2041 are fixedly connected with a plurality of rubber bumps 2042 which are uniformly distributed.

In this embodiment: can protect the outer wall of ceramic body 101 through rubber pad 2041, avoid grip block 204 to cause the mar to ceramic body 101, can increase the friction between rubber pad 2041 and the ceramic body 101 through rubber lug 2042 to make the more stable that ceramic body 101 placed.

As a technical optimization scheme of the present invention, balls 209 are mounted at one ends of the four sliders 208 close to the chute 201, and are slidably connected with the chute 201 through the balls 209.

In this embodiment: the friction between the slider 208 and the chute 201 can be reduced by the balls 209, and at the same time, the slider 208 can be assisted in moving.

As a technical optimization scheme of the present invention, inner holes 102 are formed through the upper end surfaces of the ceramic bodies 101, and the two clamping plates 204 are both arc-shaped.

In this embodiment: the inner hole 102 is used for facilitating the polishing fluid to enter the inner part for polishing, and the two clamping plates 204 are both arc-shaped for better clamping the ceramic body 101, so that the ceramic body 101 is placed more stably.

The working principle is as follows: the ceramic body 101 needing to polish the inner hole 102 is respectively placed in the plurality of placing grooves 2, the outer wall of the ceramic body 101 extrudes the two clamping plates 204, the two clamping plates 204 are enabled to respectively move towards the direction far away from the ceramic body 101, meanwhile, the fixed block 205 can be pushed to move, further, the fixed block 205 can apply pressure on the connecting rod 206, the two connecting rods 206 on the same side are enabled to respectively drive the connecting block 207 to move towards the opposite direction, meanwhile, the connecting block 207 can drive the two sliding blocks 208 to slide on the outer wall of the sliding rod 202, further, the two sliding blocks 208 can extrude the spring 203, the two springs 203 are enabled to compress, meanwhile, the angle between the two connecting rods 206 on the same side is increased until the two clamping plates 204 stably clamp the ceramic body 101, the ceramic body 101 is stably placed in the placing grooves 2, further, the displacement of the ceramic body 101 in the subsequent polishing process is avoided, the polishing precision is influenced, the plurality of ceramic bodies 101 can be polished at the same time, and the polishing efficiency is improved.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an engineering ceramic hole polishing special fixture, includes polishing dish (1), its characterized in that: the polishing device is characterized in that a plurality of uniformly distributed placing grooves (2) are formed in the upper end face of the polishing disc (1) in a penetrating manner, a ceramic body (101) is arranged inside each placing groove (2), two sliding grooves (201) distributed left and right are formed in the inner wall of each placing groove (2), sliding rods (202) are arranged inside each sliding groove (201), sliding blocks (208) are connected to the outer walls of the two sliding rods (202) in a sliding manner, two clamping plates (204) distributed left and right are arranged inside each placing groove (2), one sides, opposite to the two clamping plates (204), are abutted to the outer wall of the ceramic body (101), one ends, opposite to each other, of the two clamping plates (204) are fixedly connected with a fixed block (205), one ends, opposite to each other, of the two fixed blocks (205) are movably connected with two connecting rods (206) through a movable shaft, and four connecting blocks (207) are arranged at the other ends of the connecting rods (206), the other end of the four connecting blocks (207) is fixedly connected with one end of the sliding block (208), and a spring (203) is sleeved on the outer wall of the sliding rod (202) located between the sliding block (208) and the inner wall of the sliding groove (201).

2. The special fixture for polishing the inner hole of the engineering ceramic according to claim 1, wherein: the polishing disc is characterized in that a cover plate (3) is arranged above the polishing disc (1), and a plurality of flow guide holes (301) matched with the placing grooves (2) are formed in the upper end face of the cover plate (3).

3. The special fixture for polishing the inner hole of the engineering ceramic according to claim 1, wherein: the outer wall threaded connection of polishing dish (1) has sleeve (4), the internally mounted of sleeve (4) has layer board (401), the up end of layer board (401) run through set up with standing groove (2) assorted through-hole (402).

4. The special fixture for polishing the inner hole of the engineering ceramic according to claim 1, wherein: one end, close to the ceramic body (101), of each of the two clamping plates (204) is fixedly connected with a rubber pad (2041), and one end, opposite to the rubber pads (2041), of each of the two clamping plates is fixedly connected with a plurality of rubber bumps (2042) which are uniformly distributed.

5. The special fixture for polishing the inner hole of the engineering ceramic according to claim 1, wherein: four ball (209) are installed to slider (208) one end near spout (201), and through ball (209) and spout (201) sliding connection.

6. The special fixture for polishing the inner hole of the engineering ceramic according to claim 1, wherein: the upper end faces of the ceramic bodies (101) are provided with inner holes (102) in a penetrating mode, and the two clamping plates (204) are arc-shaped.