CN210337015U

CN210337015U - Graphene extrusion mechanism

Info

Publication number: CN210337015U
Application number: CN201920910587.8U
Authority: CN
Inventors: 王伟; 祝海仕; 陈远; 吴俊峰
Original assignee: Bozhon Precision Industry Technology Co Ltd
Current assignee: Bozhon Precision Industry Technology Co Ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-04-17
Anticipated expiration: 2029-06-17

Abstract

The utility model provides a graphite alkene extrusion mechanism relates to extrusion equipment technical field, the utility model provides a graphite alkene extrusion mechanism includes: the forming device comprises a driving assembly, a transmission assembly, a supporting assembly and a forming assembly, wherein the forming assembly comprises a plurality of forming parts; a plurality of forming parts surround into the shaping region along supporting component's circumference distribution, and drive assembly is connected with the transmission of transmission assembly, and the transmission assembly is connected with a plurality of forming part transmissions respectively, and drive assembly is used for driving a plurality of forming parts to extrude simultaneously or loosen graphite alkene through transmission assembly. The utility model provides a graphite alkene extrusion mechanism has alleviated the graphite alkene fold density uniformity that extrusion mechanism extruded among the correlation technique relatively poor, influences the technical problem of radiating effect.

Description

Graphene extrusion mechanism

Technical Field

The utility model belongs to the technical field of the former technique and specifically relates to a graphite alkene extrusion mechanism is related to.

Background

In addition, because the metal back shell of the mobile phone has a small heat dissipation area and the heat dissipation performance of the mobile phone shell made of the metal material is fixed, the factors greatly influence the heat dissipation capability of the mobile phone. Graphene is a single-carbon-atom sheet material stripped from a graphite material, is composed of a series of carbon atoms arranged according to honeycomb lattices, can quickly dissipate heat, and cannot cause the problems of heating, scalding or firing of the traditional lithium battery due to temperature rise.

According to the related art, the graphene paper is extruded into the graphene corrugated body through the extruding mechanism, and the density consistency of the graphene corrugated body extruded by the extruding mechanism in the related art is poor, so that the heat dissipation effect is affected.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the first aspect provides a graphite alkene extrusion mechanism to it is relatively poor to alleviate the graphite alkene fold body density uniformity that extrusion mechanism extruded among the correlation technique, influences the technical problem of radiating effect.

The utility model provides a graphite alkene extrusion mechanism includes: the forming device comprises a driving assembly, a transmission assembly, a supporting assembly and a forming assembly, wherein the forming assembly comprises a plurality of forming parts;

it is a plurality of the forming part is followed supporting component's circumference distributes and encloses into the shaping region, drive assembly with the transmission assembly transmission is connected, drive assembly respectively with a plurality of the forming part transmission is connected, drive assembly is used for passing through drive assembly drives a plurality of the forming part extrudees simultaneously or loosens graphite alkene.

Further, the forming part comprises a plurality of inserting plates, and the inserting plates are distributed along the circumferential direction of the supporting component and are detachably connected with the transmission component.

Furthermore, the number of the inserting plates is four, and the four inserting plates are arranged along the circumferential direction of the supporting component and enclose a rectangular forming area.

Further, the transmission assembly comprises a chuck base and transmission pieces, the number of the transmission pieces is equal to that of the molding pieces, and the transmission pieces are connected with the molding pieces in a one-to-one correspondence manner;

drive assembly with the chuck base transmission is connected, the chuck base is with a plurality of the driving medium transmission is connected, drive assembly passes through the chuck base is with a plurality of the driving medium drives a plurality of the formed part extrudees simultaneously or loosens graphite alkene.

Further, the chuck base is provided with guide grooves the number of which is the same as that of the transmission pieces, and the transmission pieces are in one-to-one corresponding sliding fit with the guide grooves.

Further, the graphene extrusion mechanism comprises a guide assembly, and the guide assembly is connected with the supporting assembly and the transmission member respectively.

Further, the guide assembly comprises a guide rail and a sliding block, the guide rail is mounted on the support assembly, the sliding block is mounted on the transmission part, and the sliding block is in sliding fit with the guide rail.

Furthermore, the supporting component comprises a mounting plate and a bearing block, the bearing block is mounted on the mounting plate, and the inserting plate is in sliding fit with the upper end face of the bearing block.

Further, the drive assembly comprises a servo motor, and a drive shaft of the servo motor is in transmission connection with the chuck base.

Furthermore, the drive shaft of the servo motor is in transmission connection with the transmission shaft through a coupler, and the transmission shaft is in transmission connection with the chuck base.

The utility model provides a graphite alkene extrusion mechanism includes: the forming device comprises a driving assembly, a transmission assembly, a supporting assembly and a forming assembly, wherein the forming assembly comprises a plurality of forming parts; a plurality of forming parts surround into the shaping region along supporting component's circumference distribution, and drive assembly is connected with the transmission of transmission assembly, and the transmission assembly is connected with a plurality of forming part transmissions respectively, and drive assembly is used for driving a plurality of forming parts to extrude simultaneously or loosen graphite alkene through transmission assembly. When the graphene extrusion mechanism provided by the utility model is used for extruding graphene, the graphene is placed on the supporting component, and the graphene is positioned in the molding area; the driving assembly drives the plurality of forming pieces to move towards the direction close to the graphene at the same time through the transmission assembly, and the graphene is extruded; after the extrusion is completed, the driving assembly drives the plurality of formed parts to move in the direction away from the graphene through the transmission assembly, and the extruded graphene is loosened.

Compared with the prior art, the utility model provides a graphite alkene extrusion mechanism drives a plurality of formed parts simultaneously and extrudees graphite alkene in extrusion process, makes each side atress by extruded graphite alkene even, improves extrusion back graphite alkene density distribution's homogeneity, has improved the even heat conduction's of graphite alkene performance to the radiating effect has been improved.

Drawings

Fig. 1 is a schematic structural diagram of a graphene extrusion mechanism provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a chuck base of the graphene pressing mechanism according to an embodiment of the present invention;

fig. 3 is a schematic view of the transmission member and the mounting plate of the graphene pressing mechanism according to the embodiment of the present invention.

Icon: 110-a servo motor; 120-a motor base; 130-a coupling; 140-a bearing seat; 200-a transmission assembly; 210-a chuck base; 211-a guide slot; 220-a transmission member; 221-a first connection plate; 222-a second connecting plate; 223-connecting rod; 300-a support assembly; 310-a mounting plate; 311-through groove; 320-bearing block; 410-inserting plates; 500-a guide assembly; 510-a guide rail; 520-slide block.

Detailed Description

As shown in fig. 1, the embodiment of the utility model provides a graphite alkene extrusion mechanism includes: the forming device comprises a driving assembly, a transmission assembly 200, a supporting assembly 300 and a forming assembly, wherein the forming assembly comprises a plurality of formed parts;

a plurality of forming parts surround into the shaping region along the circumference distribution of supporting component 300, and drive assembly is connected with transmission assembly 200 transmission, and transmission assembly 200 is connected with a plurality of forming part transmissions respectively, and drive assembly is used for driving a plurality of forming parts simultaneously to extrude or loosen graphite alkene through transmission assembly 200.

Specifically, the transmission assembly 200 is arranged below the support assembly 300, and the driving assembly is arranged below the transmission assembly 200 and is in transmission connection with the transmission assembly 200; the plurality of molded members are disposed above the supporting member 300 and are in transmission connection with the transmission member 200 from the edge of the supporting member 300. The upper end surface of the support assembly 300 is used for bearing graphene, and the driving assembly drives the plurality of formed parts to move towards a direction close to or away from the center of the support assembly 300 through the transmission assembly 200, so as to simultaneously press or release the graphene placed on the support assembly 300.

In some embodiments, the molding member includes extrusion blocks, each extrusion block has an extrusion surface, a plurality of extrusion blocks are in transmission connection with the transmission assembly 200, and the extrusion surfaces are opposite to the center of the support assembly 300, the extrusion surfaces of the plurality of extrusion blocks enclose a molding area, and the extrusion blocks contact with the graphene through the extrusion surfaces to generate extrusion force on the side walls of the graphene.

In other embodiments, the molding member includes a plurality of insertion plates 410, and a plurality of insertion plates 410 are distributed along the circumference of the support assembly 300 and are detachably connected to the driving assembly 200.

The plurality of inserting plates 410 are arranged in the horizontal direction and are connected with the transmission assembly 200 through bolts, mutually opposite planes of the inserting plates 410 are extrusion surfaces, the extrusion surfaces of the plurality of inserting plates 410 enclose a forming area, the transmission assembly 200 simultaneously drives the plurality of inserting plates 410 to move towards the center close to or far away from the forming area, and the plurality of inserting plates 410 are matched with each other to extrude or loosen graphene in the forming area; the plurality of inserting plates 410 are connected with the transmission assembly 200 through bolts, and the inserting plates 410 with proper thickness can be selected according to the thickness of the graphene which is extruded and formed as required to be installed on the transmission assembly 200, so that different extrusion requirements are met.

In some embodiments, the number of the insert plates 410 is three, four, or five, and the number of the insert plates 410 is four in this embodiment, and four insert plates 410 are arranged along the circumference of the support assembly 300 and enclose a rectangular molding area.

As shown in fig. 1, the four insertion plates 410 are horizontally disposed and are connected to the driving assembly 200 by bolts. The four insertion plates 410 are respectively a first insertion plate, a second insertion plate, a third insertion plate and a fourth insertion plate, and the first insertion plate, the second insertion plate, the third insertion plate and the fourth insertion plate are sequentially arranged end to end along the circumferential direction of the supporting component 300, so that a rectangular forming area is formed in an enclosing mode. The transmission assembly 200 drives the first board and the third board to move linearly along a first direction, and the second board and the fourth board to move linearly along a second direction, wherein the first direction is perpendicular to the second direction. The extrusion surface of the first insertion plate and the extrusion surface of the second insertion plate are arranged at an acute angle with the first direction, and the extrusion surface of the second insertion plate and the extrusion surface of the fourth insertion plate are arranged at an acute angle with the second direction. When placing graphite alkene in the shaping region, every picture peg 410 moves to the right relative to the shaping region, drive assembly 200 drives first picture peg, second picture peg, third picture peg and fourth picture peg simultaneously and moves to the direction of keeping away from each other along the direction that corresponds, place graphite alkene behind the shaping region, drive assembly 200 drives first picture peg, second picture peg, third picture peg and fourth picture peg simultaneously and moves to the direction that is close to each other along the direction that corresponds, extrude the side of graphite alkene simultaneously, make the cross section of graphite alkene after the extrusion take the form of the rectangle.

Further, the inserting plate 410 is made of an alloy material, the alloy is a substance with metal characteristics, which is synthesized by two or more metals and metals or nonmetals through a certain method, and has good normal-temperature mechanical properties and wear resistance, so that the service life of graphene extrusion equipment is prolonged.

Further, the transmission assembly 200 includes a chuck base 210 and transmission members 220, the number of the transmission members 220 is equal to the number of the molding members, and the plurality of transmission members 220 are connected with the plurality of molding members in a one-to-one correspondence;

the driving assembly is in transmission connection with the chuck base 210, the chuck base 210 is in transmission connection with the transmission pieces 220, and the driving assembly drives the molding pieces to extrude or loosen graphene simultaneously through the chuck base 210 and the transmission pieces 220.

As shown in fig. 2, the chuck base 210 has four transmission portions, and the four transmission portions are uniformly distributed along the circumferential direction of the chuck base 210. The number of the transmission members 220 is four, four transmission members 220 are slidably connected with four transmission parts in a one-to-one correspondence manner, and four insertion plates 410 are connected with four transmission members 220 in a one-to-one correspondence manner. The driving assembly is in transmission connection with the chuck base 210, and the driving assembly is used for driving the chuck base 210 to rotate around the axis of the chuck base 210. When placing graphite alkene to the shaping region, overlook chuck base 210, drive assembly drive chuck base 210 rotates around chuck base 210's axis anticlockwise, chuck base 210 drives four picture pegs 410 through driving medium 220 and all moves to the direction of keeping away from the shaping region center, graphite alkene is placed in the shaping region back, drive assembly drive card coils the axis clockwise rotation of chuck, chuck base 210 drives four picture pegs 410 through driving medium 220 and all moves to the direction that is close to the shaping region center, make four picture pegs 410 extrude graphite alkene simultaneously. Four picture pegs 410 synchronous motion are driven through chuck base 210, improve the extruded uniformity to improve the uniformity of extrusion's graphite alkene density, and then improve graphite alkene's heat conductivility.

In some embodiments, each of the transmission portions has a first limiting groove, the first limiting groove is disposed in the middle of the transmission portion, the first limiting grooves are inclined in the same direction along the circumferential direction of the chuck base 210 from one end close to the axis of the chuck base 210 to one end away from the axis of the chuck base 210, and each of the first limiting grooves is arc-shaped and protrudes in a direction opposite to the inclined direction. The transmission member 220 is provided with a limiting protrusion in sliding fit with the first limiting groove, and the limiting protrusion is located in the first limiting groove and contacts with two side walls of the first limiting groove. When the chuck base 210 rotates clockwise, one side wall of the first limit groove pushes the transmission piece 220 to move through the limit protrusion, when the chuck base 210 rotates counterclockwise, the other side wall of the first limit groove pushes the transmission piece 220 to move through the limit protrusion, and in the process of rotating the chuck base 210, the limit protrusion slides in the first limit groove simultaneously. The lateral wall through first spacing groove promotes spacing arch and drives driving medium 220 and picture peg 410 motion, influences the uniformity to four picture peg 410 drives when avoiding changing chuck base 210's rotation direction to make four picture pegs 410 inconsistent to the effort of graphite alkene, in addition, spacing arch and first spacing groove sliding fit improve the stability of driving medium 220 and picture peg 410 motion.

In other embodiments, the chuck base 210 has the same number of guide grooves 211 as the number of transmission members 220, and the plurality of transmission members 220 are slidably engaged with the plurality of guide grooves 211 in a one-to-one correspondence.

As shown in fig. 2, each transmission portion is provided with a guide groove 211, the guide grooves 211 are disposed in the middle of the transmission portion, the guide grooves 211 are inclined in the same direction along the circumferential direction of the chuck base 210 from one end close to the axis of the chuck base 210 to one end away from the axis of the chuck base 210, and each guide groove 211 is arc-shaped and protrudes in the direction opposite to the inclined direction. The transmission member 220 is provided with a guide wheel, the axis of which is arranged in the vertical direction, and the diameter of the guide wheel is equal to the width of the guide groove 211. The guide wheel is installed at the lower end of the transmission part and is positioned in the guide groove 211, and the side wall of the guide groove 211 is in contact with the outer peripheral surface of the guide wheel. During the rotation of the chuck base 210, the guide wheel rolls in the first limiting groove at the same time. The side wall of the guide groove 211 pushes the guide wheel to drive the transmission piece 220 and the insertion plate 410 to move, the driving consistency of the four insertion plates 410 is prevented from being influenced when the rotation direction of the chuck base 210 is changed, and therefore the acting force of the four insertion plates 410 on graphene is inconsistent, in addition, the guide wheel is in sliding fit with the guide groove 211, and the movement stability of the transmission piece 220 and the insertion plate 410 is improved.

Further, the graphene pressing mechanism includes a guide assembly 500, and the guide assembly 500 is connected to the support assembly 300 and the transmission member 220, respectively. The guide assembly 500 guides the movement of the driving member 220 and the insertion plate 410, and improves the stability of the movement of the driving member 220 and the insertion plate 410.

In some embodiments, the guiding assembly 500 includes a guiding block, each of the transmission members 220 is mounted with a guiding block, the supporting assembly 300 is provided with four second limiting grooves, the length directions of the four second limiting grooves correspond to the movement directions of the four transmission members 220 one by one, and the guiding block is located in the corresponding second limiting groove and is in sliding fit with the second limiting groove. In the moving process of the transmission member 220, the guide block slides along the side wall of the second limiting groove, so that the movement stability of the transmission member 220 and the insertion plate 410 is improved.

In other embodiments, the guide assembly 500 includes a rail 510 and a slider 520, the rail 510 is mounted to the support assembly 300, the slider 520 is mounted to the transmission member 220, and the slider 520 is slidably engaged with the rail 510.

As shown in fig. 1, the number of the guide assemblies 500 is four, each transmission member 220 is in transmission connection with the support assembly 300 through one guide assembly 500, specifically, the guide rail 510 is fixedly installed on the end surface of the support assembly 300 opposite to the transmission member 220, the extending direction of the guide rail 510 is the same as the moving direction of the corresponding transmission member 220, and the slider 520 is installed on the end surface of the transmission member 220 opposite to the guide rail 510 through a screw and is in sliding fit with the guide rail 510. During the movement of the driving member 220, the sliding block 520 slides along the extending direction of the guide rail 510, so as to guide the movement of the driving member 220 and improve the movement stability of the driving member 220 and the inserting plate 410.

Further, the supporting assembly 300 includes a mounting plate 310 and a bearing block 320, the bearing block 320 is mounted on the mounting plate 310, and the inserting plate 410 is slidably engaged with the upper end surface of the bearing block 320.

The mounting plate 310 and the bearing block 320 are both arranged along the horizontal direction, the horizontal cross section of the mounting plate 310 and the horizontal cross section of the bearing block 320 are both square, and as shown in fig. 3, the area of the horizontal cross section of the bearing block 320 is smaller than that of the horizontal cross section of the mounting plate 310. The center of the bearing block 320 is opposite to the center of the mounting plate 310, the bearing block 320 is mounted on the upper end face of the mounting plate 310 through bolts, and the four insertion plates 410 are all located above the bearing block 320. A guide rail 510 is installed at each edge of the mounting plate 310, and the extending direction of the guide rail 510 is parallel to the length direction of the corresponding edge. The transmission member 220 includes a first connection plate 221 and a second connection plate 222, and the first connection plate 221 and the second connection plate 222 are disposed parallel to each other. The first connecting plate 221 is located above the mounting plate 310, an upper end surface of the first connecting plate 221 is connected with the insert plate 410 through a bolt, and a lower end surface of the first connecting plate 221 is provided with a slider 520 matched with the guide rail 510 through a screw. The second connecting plate 222 is located below the mounting plate 310, and a guide wheel is mounted on the lower end surface of the second connecting plate 222. The first connection plate 221 and the second connection plate 222 are connected by four connection bars 223, and the four connection bars 223 are located in four corner regions and are all arranged in a vertical direction. Four through grooves 311 are arranged on the mounting plate 310, the length directions of the four through grooves 311 are the same as the length directions of the four guide rails 510 in a one-to-one correspondence manner, and each through groove 311 is located between the corresponding guide rail 510 and the bearing block 320. The four transmission members 220 are matched with the four through grooves 311 in a one-to-one correspondence manner, specifically, of the four connecting rods 223 of the transmission members 220, two of the connecting rods 223 penetrate through the through grooves 311, and the other two connecting rods 223 are located on one side of the guide rail 510, which is far away from the bearing block 320. The mounting plate 310 supports the bearing block 320, the bearing block 320 supports the graphene, and the transmission pieces 220 and the mounting plate 310 are matched in a mode so that the occupied space is reduced while transmission motion is achieved.

In some embodiments, the driving assembly includes a rotary air cylinder, a rotary hydraulic cylinder, or a servo motor 110, and in this embodiment, the driving assembly includes the servo motor 110, and a driving shaft of the servo motor 110 is in transmission connection with the chuck base 210.

As shown in fig. 1, a motor base 120 is disposed below the mounting plate 310, the servo motor 110 is disposed below the motor base 120 and is mounted on the motor base 120 through a bolt, a driving shaft of the servo motor 110 is connected to a transmission shaft through a coupling 130, and the transmission shaft is fixedly connected to the chuck base 210. The transmission shaft is rotatably connected with the bearing blocks 140 through bearings, and the bearing blocks 140 are installed on the corresponding machine frame. Servo motor 110 drives chuck base 210 through the transmission shaft and rotates around chuck base 210's axis, makes chuck base 210 drive four picture peg 410 simultaneous movement, and servo motor 110 can realize the real-time adjustment of speed, and the in-process of extrusion graphite alkene from quick to slow speed progressively reduces, makes the tetragonal body that extrudes more even, and the density uniformity is better.

The embodiment of the utility model provides a second aspect provides a graphite alkene fold body former to it is relatively poor to alleviate the graphite alkene fold body density uniformity that extrusion mechanism extruded among the correlation technique, influences the technical problem of radiating effect.

The embodiment of the utility model provides a graphite alkene fold body former, include: the pressing mechanism and the graphene extrusion mechanism are arranged on the upper portion of the frame.

Go up the pressure mechanism and locate graphite alkene extrusion mechanism's top, go up the pressure mechanism and include briquetting and cylinder, the cylinder is connected with the briquetting transmission, and the cylinder is used for driving the briquetting to the direction motion of bearing block 320 in being close to or keeping away from graphite alkene extrusion mechanism along vertical direction, and in the extrusion process, four picture pegs 410 and briquetting and the cooperation of bearing block 320 are extruded graphite alkene to the tetragonal body.

The embodiment of the utility model provides a graphite alkene extrusion mechanism includes: the forming device comprises a driving assembly, a transmission assembly 200, a supporting assembly 300 and a forming assembly, wherein the forming assembly comprises a plurality of formed parts; a plurality of forming parts are distributed along the circumference of supporting component 300, and are enclosed into the shaping region, and drive assembly is connected with transmission assembly 200 transmission, and transmission assembly 200 is connected with a plurality of forming part transmissions respectively, and drive assembly is used for driving a plurality of forming parts to extrude or loosen graphite alkene simultaneously through transmission assembly 200. When the graphene is extruded by the graphene extruding mechanism provided by the embodiment of the utility model, the graphene is placed on the supporting component 300 and is positioned in the molding area; the driving assembly drives the plurality of forming pieces to move towards the direction close to the graphene at the same time through the transmission assembly 200 so as to extrude the graphene; after the extrusion is completed, the driving assembly drives the plurality of formed parts to move towards the direction far away from the graphene simultaneously through the transmission assembly 200, and the extruded graphene is loosened.

Compared with the prior art, the embodiment of the utility model provides a graphite alkene extrusion mechanism drives a plurality of formed parts simultaneously and extrudees graphite alkene in extrusion process, makes each side atress by extruded graphite alkene even, improves extrusion back graphite alkene density distribution's homogeneity, has improved graphite alkene's even heat conductivility to the radiating effect has been improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A graphene extrusion mechanism, comprising: the device comprises a driving component, a transmission component, a supporting component and a plurality of formed parts;

a plurality of the forming part is followed supporting component's circumference distributes, just the forming part encloses into the shaping region, drive assembly with the transmission assembly transmission is connected, the transmission assembly respectively with a plurality of the forming part transmission is connected, drive assembly passes through drive assembly drives a plurality of the forming part extrudees simultaneously or loosens graphite alkene.

2. The graphene extrusion mechanism according to claim 1, wherein the molding member includes a plurality of insert plates distributed along a circumferential direction of the support assembly and detachably connected to the transmission assembly.

3. The graphene extrusion mechanism according to claim 2, wherein the number of the insert plates is four, and four insert plates are arranged along the circumferential direction of the support assembly and enclose a rectangular molding area.

4. The graphene extrusion mechanism according to claim 1, wherein the transmission assembly includes a chuck base and transmission members, the number of the transmission members is equal to the number of the molding members, and the plurality of transmission members are connected to the plurality of molding members in a one-to-one correspondence;

5. The graphene pressing mechanism according to claim 4, wherein the chuck base is provided with guide grooves in the same number as the transmission members, and the plurality of transmission members are slidably fitted in the plurality of guide grooves in a one-to-one correspondence manner.

6. The graphene extrusion mechanism of claim 4, wherein the graphene extrusion mechanism comprises a guide assembly, and the guide assembly is connected with the support assembly and the transmission member respectively.

7. The graphene extrusion mechanism of claim 6, wherein the guide assembly comprises a guide rail and a slider, the guide rail is mounted to the support assembly, the slider is mounted to the transmission member, and the slider is in sliding fit with the guide rail.

8. The graphene extrusion mechanism of claim 2, wherein the support assembly comprises a mounting plate and a bearing block, the bearing block is mounted on the mounting plate, and the insertion plate is in sliding fit with an upper end face of the bearing block.

9. The graphene extrusion mechanism of claim 4, wherein the drive assembly comprises a servo motor, and a drive shaft of the servo motor is in transmission connection with the chuck base.

10. The graphene extrusion mechanism of claim 9, wherein a drive shaft of the servo motor is in drive connection with a drive shaft through a coupling, and the drive shaft is in drive connection with the chuck base.