CN218965076U

CN218965076U - Clamping device for graphite polishing

Info

Publication number: CN218965076U
Application number: CN202222941923.XU
Authority: CN
Inventors: 刘志强; 魏华锋
Original assignee: Qujing Hengyi Carbon Technology Co ltd
Current assignee: Qujing Hengyi Carbon Technology Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-05-05
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a clamping device for graphite polishing, which comprises a base and a centering disc. The beneficial effects are that: according to the utility model, the centering disc and the hydraulic rod are adopted, when the graphite crucible is polished, the bottom surface of the graphite crucible can be placed between the clamping blocks, the positive and negative screw rod is driven to rotate by rotating the hand wheel, and then the clamping blocks are driven to move towards the center position of the top surface of the centering disc, so that the graphite crucible is clamped at the center position of the top surface of the centering disc, the centering adjustment can be completed, meanwhile, the hydraulic rod is started to extend, the rubber pad on the bottom surface of the pressing block is pushed to abut against the inner bottom surface of the graphite crucible, the fixed clamping can be completed, the clamping blocks prevent the graphite crucible from sliding in a plane, the pressing block prevents the graphite crucible from moving up and down, the graphite crucible is fixed, the fixing effect is good, the shielding of the graphite crucible is less, the graphite crucible is convenient to polish in all directions, the convenience of polishing the graphite crucible is improved, and the graphite crucible is suitable for clamping and fixing in a round or rectangular graphite crucible, and the application range is wider.

Description

Clamping device for graphite polishing

Technical Field

The utility model relates to the field of graphite crucible production, in particular to a clamping device for graphite polishing.

Background

Graphite is a crystalline carbon, has a greasy feel, is conductive, inactive in chemical property, corrosion-resistant, not easy to react with acid, alkali and the like, is heated in air or oxygen to burn and generate carbon dioxide, and a strong oxidant oxidizes the carbon dioxide into organic acid to be used as an antifriction agent and a lubricating material to prepare a graphite crucible, a graphite electrode, a graphite dry cell and a graphite pencil lead, and the high-purity graphite can be used as a neutron moderator on a nuclear reactor.

The utility model provides a graphite crucible of graphite material preparation need carry out processing to its surface when production, including processes such as cutting, polish, find after retrieving, the publication is CN213766583U, the name is clamping device is used in graphite dysmorphism piece processing, this application adopts first movable baffle and second movable baffle to carry out the centre gripping fixed to graphite dysmorphism piece, but, because first movable baffle and second movable baffle are linear type structure, comparatively stable to the centre gripping of rectangle graphite dysmorphism piece lateral wall, but lack axial clamping fixed, lead to graphite dysmorphism piece still to have the possibility that takes place to remove in the axial, and first movable baffle and second movable baffle and first fixed baffle and second fixed baffle shelter from the surface area great to graphite dysmorphism piece, same pair of processing position causes to shelter from, thereby influence the efficiency of cutting or polishing, can further make the improvement.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the clamping device for graphite polishing, which has the advantages of stable and reliable clamping, wide application range and convenient polishing operation, thereby solving the problems in the prior art.

(II) technical scheme

In order to realize the advantages of stable and reliable clamping, wide application range and convenient polishing operation, the utility model adopts the following specific technical scheme:

the clamping device for graphite polishing comprises a base and a centering disc, wherein the top surface of the base is rotationally connected with the centering disc, a chute is formed in the top surface of the centering disc, the chute is of a cross structure, a clamping block is slidably connected in the centering disc, the clamping block penetrates through the chute and is slidably connected with the chute, a positive and negative screw rod is rotationally connected below the chute and is vertically arranged in the centering disc, the positive and negative screw rod penetrates through the clamping block and is in threaded connection with the clamping block, one end of the positive and negative screw rod is rotationally connected with the inner wall of the centering disc, the other end of the positive and negative screw rod penetrates through the centering disc and is rotationally connected with the centering disc, a hand wheel is fixedly arranged at the other end of the positive and negative screw rod, a side seat is fixedly arranged on one side surface of the base, a vertical fixing plate is arranged on the side seat top surface, a lifting plate is transversely fixedly connected with the side surface of the side seat, a hydraulic rod is rotationally connected with a pressing block through a second rotary connecting seat, and the bottom surface of the pressing block is fixedly adhered with a rubber pad.

Further, center position fixedly connected with center pillar in centering dish bottom surface, and center pillar runs through the base top surface and rotates with the base interior bottom surface through first swivelling joint seat and be connected to center pillar fixed surface has cup jointed the belt pulley, the belt pulley surface has cup jointed connecting belt, and connecting belt runs through and extends the base.

Further, the pressing block is located right above the centering disc, and the pressing block is located right above the center point of the sliding groove.

Furthermore, the centering disc and the base are of hollow disc type structures, and the diameters of the centering disc and the base are the same.

Further, fixedly connected with strengthening rib between ram top surface and the riser, and the strengthening rib is provided with a plurality of.

Furthermore, the clamping blocks are distributed in four equal angles, and the surfaces of the clamping blocks are subjected to napping treatment.

Furthermore, annular ball grooves are formed in the bottom surface of the centering disc and the top surface of the base, and balls are connected in the annular ball grooves in a rolling mode.

Further, the bottom surface of the rubber pad is subjected to napping treatment.

(III) beneficial effects

Compared with the prior art, the utility model provides the clamping device for graphite polishing, which has the following beneficial effects:

(1) According to the utility model, the centering disc and the hydraulic rod are adopted, when the graphite crucible is polished, the bottom surface of the graphite crucible can be placed between the clamping blocks, the positive and negative tooth screw rods are driven to rotate by rotating the hand wheel, the clamping blocks are driven to move towards the center position of the top surface of the centering disc at the same time, the graphite crucible is clamped at the center position of the top surface of the centering disc, the centering adjustment can be completed, meanwhile, the hydraulic rod is started to extend, the rubber pad on the bottom surface of the pressing block is pushed to abut against the inner bottom surface of the graphite crucible, the fixed clamping can be completed, the clamping blocks prevent the graphite crucible from sliding in a plane, the pressing block prevents the graphite crucible from moving up and down, and therefore the graphite crucible is fixed, the fixing effect is good, the shielding of the graphite crucible is less, the graphite crucible is convenient to polish in all directions, the convenience of polishing the graphite crucible is improved, and the graphite crucible is suitable for clamping and fixing in a round or rectangular graphite crucible, and the application range is wider.

(2) The utility model adopts the center post and the belt pulley, and a worker can be connected with a driving motor with the belt pulley through the connecting belt, so that the driving connection with the device is completed, and when polishing is performed, the driving motor drives the belt pulley to rotate, thereby driving the connecting belt to rotate, further driving the belt pulley on the surface of the center post to rotate, further driving the centering disc to rotate, further driving the graphite crucible to rotate, facilitating rotary polishing, further improving the polishing use convenience, and improving the working efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a clamping device for graphite polishing according to the present utility model;

FIG. 2 is a front view of the clamping device for grinding graphite according to the present utility model;

FIG. 3 is a cross-sectional view A-A of the clamping device for grinding graphite according to the present utility model;

fig. 4 is a schematic installation view of a hydraulic rod according to the present utility model.

In the figure:

1. a base; 2. a centering disc; 3. a center column; 4. a belt pulley; 5. a first rotary connection base; 6. a connecting belt; 7. a positive and negative tooth screw rod; 8. clamping blocks; 9. a hand wheel; 10. a side seat; 11. a vertical plate; 12. a cantilever plate; 13. reinforcing ribs; 14. a hydraulic rod; 15. the second rotary connecting seat; 16. briquetting; 17. a rubber pad; 18. a ball; 19. and a sliding groove.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the present utility model, there is provided a clamping device for graphite polishing.

The utility model will be further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-4, the clamping device for polishing graphite according to the embodiment of the utility model comprises a base 1 and a centering disc 2, wherein the top surface of the base 1 is rotatably connected with the centering disc 2, the top surface of the centering disc 2 is provided with a sliding groove 19, the sliding groove 19 is in a cross structure, a clamping block 8 is slidably connected inside the centering disc 2, the clamping block 8 penetrates through the sliding groove 19 and is slidably connected with the sliding groove 19, a positive and negative lead screw 7 is rotatably connected below the sliding groove 19 inside the centering disc 2, the positive and negative lead screw 7 is vertically arranged, the center of the positive and negative lead screw 7 and the center of the sliding groove 19 are positioned on the same vertical line, the positive and negative lead screw 7 penetrates through the clamping block 8 and is in threaded connection with the clamping block 8, one end of the positive and negative lead screw 7 is rotatably connected with the inner wall of the centering disc 2, the other end of the positive and negative lead screw 7 penetrates through the centering disc 2 and is rotatably connected with the centering disc 2, the other end of the positive and negative tooth screw rod 7 is fixedly provided with a hand wheel 9, one side surface of the base 1 is fixedly provided with a side seat 10, the top surface of the side seat 10 is vertically and fixedly provided with a vertical plate 11, one side surface of the vertical plate 11 is transversely and fixedly connected with a cantilever plate 12, the top surface of the other end of the cantilever plate 12 is vertically and fixedly connected with a hydraulic rod 14, the bottom surface of a piston rod of the hydraulic rod 14 is rotationally connected with a pressing block 16 through a second rotary connecting seat 15, the bottom surface of the pressing block 16 is fixedly adhered with a rubber pad 17, wherein the pressing block 16 is positioned right above the centering disc 2, the pressing block 16 is positioned right above the center point of a sliding groove 19, when the graphite crucible is polished, the bottom surface of the graphite crucible can be put between clamping blocks 8, the positive and negative tooth screw rod 7 is driven to rotate through rotating the hand wheel 9, and then the clamping blocks 8 are driven to move towards the center position of the top surface of the centering disc 2 at the same time, the graphite crucible is clamped at the center position of the top surface of the centering disc 2, centering adjustment can be completed, meanwhile, the hydraulic rod 14 is started to stretch, the rubber pad 17 pushing the bottom surface of the pressing block 16 is abutted against the inner bottom surface of the graphite crucible, fixed clamping can be completed, the clamping block 8 is used for preventing the graphite crucible from sliding in a plane, the pressing block 16 is used for preventing the graphite crucible from moving up and down, fixing the graphite crucible is completed, the fixing effect is good, shielding of the graphite crucible is small, the graphite crucible is convenient to polish in all directions, the polishing convenience of the graphite crucible is improved, the circular or rectangular graphite crucible is suitable for clamping and fixing, the application range is wider, meanwhile, the clamping of the graphite crucible is not only satisfied, and the graphite crucible is also provided with the same clamping effect for other graphite special-shaped parts.

In one embodiment, center pillar 3 is fixedly connected with in center position of the bottom surface of centering dish 2, and center pillar 3 runs through the base 1 top surface and rotates with the interior bottom surface of base 1 through first swivelling joint seat 5, and center pillar 3 fixed surface has cup jointed belt pulley 4, belt pulley 4 surface has cup jointed connecting belt 6, and connecting belt 6 runs through and extends base 1, be convenient for connect, the staff accessible connecting belt 6 connects arbitrary driving motor who has belt pulley 4, thereby accomplish the drive connection with this device, provide drive coupling mechanism on the basis of carrying out the centre gripping, be convenient for drive, further the convenience of using has been improved, when polishing, driving motor drives belt pulley 4 and rotates, thereby drive connecting belt 6 rotates, and then drive belt pulley 4 on center pillar 3 surface rotates, thereby drive centering dish 2 rotates, and then drive graphite crucible rotates, the convenience of polishing is rotatory, further the convenience of polishing use has been improved, work efficiency has been improved.

In one embodiment, the centering disc 2 and the base 1 are of hollow disc type structures, and the diameters of the centering disc 2 and the base 1 are the same, wherein annular ball grooves are formed in the bottom surface of the centering disc 2 and the top surface of the base 1, and balls 18 are connected in the annular ball grooves in a rolling manner, so that friction force is reduced, and the centering disc 2 can rotate stably.

In one embodiment, reinforcing ribs 13 are fixedly connected between the top surface of the cantilever plate 12 and the vertical plate 11, and the reinforcing ribs 13 are multiple, are triangular metal plates, are common reinforcing structures, and improve stability of the cantilever plate 12 and compression resistance of the cantilever plate 12.

In one embodiment, the clamping blocks 8 are distributed at equal angles, and the surfaces of the clamping blocks 8 are subjected to roughening treatment, so that friction force is improved, and clamping stability is improved.

In one embodiment, the bottom surface of the rubber pad 17 is roughened to improve friction and stability of clamping.

Working principle:

when polishing the graphite crucible, can put into the clamp splice 8 with graphite crucible bottom surface between, drive positive and negative tooth lead screw 7 through rotating hand wheel 9 and rotate, and then drive clamp splice 8 and remove to centering dish 2 top surface central point put, with graphite crucible centre gripping in centering dish 2 top surface central point put, can accomplish centering adjustment, simultaneously, start hydraulic stem 14 extension, the rubber pad 17 of promotion briquetting 16 bottom surface supports tightly with graphite crucible inner bottom surface, can accomplish fixed centre gripping, clamp splice 8 avoids graphite crucible to slide in the plane, briquetting 16 avoids graphite crucible to reciprocate, thereby accomplish the fixed to graphite crucible, fixed effectual, shelter from little to graphite crucible, the omnidirectional of being convenient for polishes to graphite crucible, the convenience of graphite crucible polishing has been improved, be fit for circular or rectangle graphite crucible to carry out the centre gripping fixedly, application scope is wider, simultaneously, staff accessible connecting belt 6 connects arbitrary driving motor that has belt 4, thereby accomplish the drive connection with this device, when polishing, thereby drive belt 4 rotates, and then drive belt 6 rotates, and then drive center pillar 3 surface's belt 4 rotates, thereby drive center pillar 3 rotates, thereby the convenient rotation of polishing, the convenient use of graphite crucible has been further improved, the polishing efficiency.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. Clamping device for graphite polishing, characterized by comprising a base (1) and a centering disc (2), wherein the top surface of the base (1) is rotationally connected with the centering disc (2), a chute (19) is formed in the top surface of the centering disc (2), the chute (19) is of a cross structure, a clamping block (8) is connected inside the centering disc (2) in a sliding manner, the clamping block (8) penetrates through the chute (19) and is in sliding connection with the chute (19), a positive and negative tooth screw (7) is rotationally connected below the chute (19) inside the centering disc (2), the positive and negative tooth screw (7) is vertically arranged, the positive and negative tooth screw (7) penetrates through the clamping block (8) and is in threaded connection with the clamping block (8), one end of the positive and negative tooth screw (7) is rotationally connected with the inner wall of the centering disc (2), the other end of the positive and negative tooth screw (7) penetrates through the centering disc (2) and is rotationally connected with the centering disc (2), a hand wheel (9) is fixedly arranged at the other end of the positive and negative tooth screw (7), a side surface of the base (1) is fixedly provided with a side seat (10), the top surface of the side seat (10) is fixedly arranged, the side seat (11) is fixedly arranged on the side of the side seat (12), the side seat (12) is fixedly connected with a vertical plate (12), the other end of the vertical plate (12) fixedly arranged on the side of the vertical plate (12), and the bottom surface of a piston rod of the hydraulic rod (14) is rotationally connected with a pressing block (16) through a second rotary connecting seat (15), and a rubber pad (17) is fixedly stuck on the bottom surface of the pressing block (16).

2. Clamping device for graphite polishing according to claim 1, characterized in that the center position of the bottom surface of the centering disc (2) is fixedly connected with a center column (3), the center column (3) penetrates through the top surface of the base (1) and is rotationally connected with the inner bottom surface of the base (1) through a first rotary connecting seat (5), a belt pulley (4) is fixedly sleeved on the surface of the center column (3), a connecting belt (6) is sleeved on the surface of the belt pulley (4), and the connecting belt (6) penetrates through and extends out of the base (1).

3. Clamping device for grinding graphite according to claim 1, characterized in that the press block (16) is located directly above the centring disk (2) and the press block (16) is located directly above the centre point of the chute (19).

4. Clamping device for graphite polishing according to claim 1, characterized in that the centering disc (2) and the base (1) are of hollow disc type structure, and the diameters of the centering disc (2) and the base (1) are the same.

5. Clamping device for graphite polishing according to claim 1, characterized in that reinforcing ribs (13) are fixedly connected between the top surface of the cantilever plate (12) and the vertical plate (11), and the reinforcing ribs (13) are provided in plurality.

6. Clamping device for grinding graphite according to claim 1, characterized in that the clamping blocks (8) are equiangularly distributed in four ways, and the surfaces of the clamping blocks (8) are roughened.

7. Clamping device for graphite polishing according to claim 1, characterized in that the bottom surface of the centering disc (2) and the top surface of the base (1) are provided with annular ball grooves, and balls (18) are connected in the annular ball grooves in a rolling manner.

8. Clamping device for grinding graphite according to claim 1, characterized in that the bottom surface of the rubber pad (17) is roughened.