CN112976388A

CN112976388A - Graphene film processing machine

Info

Publication number: CN112976388A
Application number: CN202110202709.XA
Authority: CN
Inventors: 吴军
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-06-18

Abstract

The invention discloses a graphene film processing machine which structurally comprises a mixing box, a feed hopper, a transmission shield, a motor, a collecting tank and a support frame, wherein the top of the right side of the mixing box is welded and connected with the surface of the lower end of the feed hopper, the right side of the mixing box is meshed and connected with the inside of the transmission shield, the lower end of the inside of the transmission shield is meshed and connected with the left end of the motor, the bottom of the motor is fixed with the right lower end of the support frame through a bolt, the upper end of the collecting tank is in clearance fit with the bottom of the mixing box, the mixing box comprises a stirring roller, an auxiliary turntable, a discharge opening, a sleeve and a working cavity, the graphene film processing machine is thrown out through the cooperation of centrifugal force of a scraping plate, is attached to the inner wall of a box body through a thrown pushing plate so as to be clamped under the fixation of a clamping hook and prevent the stripping, a stripping plate is in buffer attachment under the cooperation of a, and the mixing speed of the graphite powder and the plastic raw material is accelerated.

Description

Graphene film processing machine

Technical Field

The invention relates to the field of graphene processing equipment, in particular to a graphene film processing machine.

Background

The graphene is a crystalline raw material and is formed by processing and refining raw graphite ores, and the produced graphite ores need to be crushed in the process of manufacturing the graphene film, so that the raw graphite ores need to be further crushed by a mixing crusher and mixed with plastic raw materials, so that the production and processing steps of manufacturing the graphene film by the graphene and the film raw materials are paved in the subsequent step;

however, the prior art has the following defects: the current graphite alkene film processing machine, the material mixing rubbing crusher who indicates processing graphite alkene film, mix the stirring for better letting graphite alkene and film raw and other materials, so to improve the film quality, so smash the cutting through putting into the mixing box inside with the graphite ore, make and to form a large amount of graphite powder after the cutting, lead to forming certain electrostatic absorption under the same mixed stirring of plastics raw and other materials, and then make the graphite powder after the cutting adhere to on the box inner wall, cause powder and the poor mixture of plastic film raw and other materials.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a graphene film processing machine, which is used for solving the problem that the existing graphene film processing machine in the prior art is a material mixing crusher for processing a graphene film, and in order to better mix and stir graphene and film raw materials and further improve the film quality, a large amount of graphite powder is formed after cutting by putting graphite ore into a mixing box for crushing and cutting, so that certain electrostatic adsorption force is formed under the condition of mixing and stirring plastic raw materials together, and the cut graphite powder is attached to the inner wall of a box body, so that the powder and the plastic film raw materials are not well mixed.

In order to achieve the purpose, the invention is realized by the following technical scheme: a graphene film processing machine structurally comprises a mixing box, a feed hopper, a transmission shield, a motor, a collecting tank and a supporting frame, the top of the right side of the mixing box is welded with the surface of the lower end of the feed hopper, the right side of the mixing box is meshed with the inside of the transmission shield, the lower end in the transmission shield is meshed with the left end of the motor, the bottom of the motor is fixed with a bolt at the right lower end of the support frame, the upper end of the collecting tank is in clearance fit with the bottom of the mixing box, the mixing box comprises a stirring roller, an auxiliary rotary table, a feed opening, a sleeve and a working cavity, the left end of the stirring roller is engaged with the inside of the auxiliary turntable, the inner side of the auxiliary turntable is fixedly connected with the left end of the working cavity, the stirring device is characterized in that the interior of the working cavity is in integral movable fit with the stirring roller, the right end of the stirring roller is connected with the interior of the sleeve in an embedded mode, and the top end of the discharging opening is connected with the lower surface of the working cavity in a welded mode.

The invention is further improved, the stirring roller comprises a cutter strip, a scraping plate and a roller body, the tail end of the cutter strip is fixedly connected with the surface of the roller body in an embedded mode, the surface of the roller body is fixedly connected with the scraping plate in an embedded mode, the inner side of the scraping plate is in clearance fit with the outer end of the cutter strip, the cutter strip is fixed in a strip mode, a certain distance is kept between the cutter strip and the scraping plate, and the cutter is used for cutting and crushing graphite through the distance between the gaps.

The cutting knife strip is further improved, the cutting knife strip comprises a cutting knife, a strip body, a fixed frame and a movable groove, two ends of the cutting knife are fixedly connected with the inner wall of the movable groove in an embedding manner, the whole movable groove is connected with the surface of the strip body in a clamping manner, the middle of the strip body is fixedly connected with two ends of the fixed frame in an embedding manner, two ends of the fixed frame are in clearance fit with the outer side of the movable groove, the movable grooves are distributed on the surface of the strip body and are fixed with the cutting knife through the inner wall and fixedly connected with the cutting knife.

The cutting knife is further improved, the cutting knife comprises a sleeve disc, blades, a driving shaft and spring pull strips, the surface of the sleeve disc is integrally connected with the driving shaft in a nested mode, the driving shaft is in clearance fit with the surface of the blades, the inner surface of each blade is connected with the spring pull strips in a nested mode, the bottoms of the spring pull strips are in clearance fit with the outer ends of the sleeve disc, six blades are arranged and distributed on the surface of the sleeve disc to be fixedly connected with the sleeve disc in a nested mode, and limiting buffering is carried out through the inner side spring pull strips.

The invention is further improved, the wiping plate comprises a pushing plate, a connecting ring, a rubber strip and a swinging seat, two ends of the pushing plate are connected with the inside of the rubber strip in an embedded mode, two ends of the rubber strip are fixedly connected with the swinging seat in an embedded mode, the surface of the swinging seat is integrally hinged with the connecting ring, the connecting ring is integrally in clearance fit with the side end of the pushing plate, and the pushing plate is provided with three blocks and is fixedly connected with the connecting ring through the rubber strip.

The push plate is further improved, the push plate comprises a stabilizing groove, a plate body, a pull rope, a clamping hook and a buffer groove, the whole stabilizing groove is fixedly embedded and connected with the lower surface of the plate body, the lower end of the plate body is in clearance fit with the buffer groove, the inner part of the buffer groove is in sliding fit with the two ends of the clamping hook, the top of the clamping hook is welded and connected with the lower surface of the stabilizing groove, the surface of the stabilizing groove is embedded and connected with the top of the pull rope, a spring is arranged in the buffer groove to clamp the clamping hook, and the contact interval between the push plate and the wall surface can be adjusted through centrifugal force.

The invention is further improved, the plate body comprises a stretching seat, a fixing bolt and elastic blocks, two sides of the stretching seat are movably matched with the inner surface of the elastic block, the outer end of the elastic block is integrally connected with the fixing bolt in a threaded manner, the inner side of the fixing bolt is in clearance fit with the stretching seat, the stretching seat is distributed between the two elastic blocks, and the stretching interval of the stretching seat is lengthened through the stretching capacity of the stretching seat.

The invention is further improved, the elastic block comprises a scraper plate, an extrusion spring, an elastic sheet and a pressure reducing strip, the whole scraper plate is fixedly embedded and connected with the upper end of the surface of the pressure reducing strip, the inner side of the pressure reducing strip is in clearance fit with the upper end of the elastic sheet, the inner side of the elastic sheet is in clearance fit with the whole extrusion spring, the upper end surface of the extrusion spring is nested and connected with the inner wall of the pressure reducing strip, and the elastic sheet is in an inverted' shape and is distributed on the inner side of the scraper plate to be in clearance fit with the inner wall of the pressure reducing strip.

Advantageous effects

Compared with the prior art, the invention has the following beneficial effects;

1. according to the invention, the roller body rotates under the coordination of the internal structure of the transmission shield, the cutter strip and the scraping plate synchronously rotate through centrifugal force, the cutting knife fixed in the movable groove is driven to change phase by rotation, the film raw material and the graphite stone which need to be mixed together are cut and stirred, then the flow is guided through the movable groove, the graphite stone is effectively cut into powder through the movable groove and then guided, and the direct stirring and mixing of the film raw material and the graphite stone dust are further accelerated.

2. According to the invention, the scraping plate is thrown out under the coordination of centrifugal force, and the thrown pushing plate is attached to the inner wall of the box body so as to be clamped under the fixation of the clamping hook, so that the clamping is prevented, and the scraping plate is in buffer attachment with the cooperation of the decompression strip and the elastic sheet under the coordination of the centrifugal force, so that the graphite powder adsorbed by static electricity is effectively pushed and then mixed with the plastic raw material, and the speed of mixing the graphite powder and the plastic raw material is increased.

Drawings

Fig. 1 is a schematic structural diagram of a graphene film processing machine according to the present invention.

FIG. 2 is a schematic view showing the internal structure of the mixing box of the present invention.

FIG. 3 is a schematic view showing the internal structure of the agitating roller of the present invention.

Fig. 4 is a schematic view of the internal structure of the cutter bar of the present invention.

Fig. 5 is a schematic view of the internal structure of the cutting knife according to the present invention.

FIG. 6 is a schematic view of the internal structure of the wiper blade according to the present invention.

Fig. 7 is a schematic view of the internal structure of the push plate of the present invention.

Fig. 8 is a schematic view of the internal structure of the plate body according to the present invention.

Fig. 9 is a schematic view of the internal structure of the elastic block of the present invention.

In the figure: mixing box-1, feed hopper-2, transmission shield-3, motor-4, collecting tank-5, support frame-6, stirring roller-11, auxiliary rotary table-12, feed opening-13, sleeve-14, working cavity-15, cutter bar-111, scraping plate-112, roller body-113, cutting knife-a 1, bar body-a 2, fixed frame-a 3, movable groove-a 4, sleeve disc-a 11, blade-a 12, driving shaft-a 13, spring brace-a 14, pushing plate-b 1, connecting ring-b 2, rubber bar-b 3, swinging seat-b 4, stabilizing groove-b 11, plate body-b 12, pull rope-b 13, clamping hook-b 14, buffer groove-b 15, stretching seat-c 1, fixing bolt-c 2, stirring roller-11, auxiliary rotary table-12, sleeve-13, sleeve-14, working cavity-15, cutting knife bar-a cutting knife-a-b 12, driving, Elastic block-c 3, scraper-c 31, compression spring-c 32, elastic sheet-c 33 and pressure reducing strip-c 34.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

The invention is further described below with reference to the accompanying drawings:

example 1

As shown in figures 1 to 5:

the structure of the device comprises a mixing box 1, a feed hopper 2, a transmission shield 3, a motor 4, a collecting tank 5 and a support frame 6, wherein the top of the right side of the mixing box 1 is connected with the lower end surface of the feed hopper 2 in a welding manner, the right side of the mixing box 1 is connected with the transmission shield 3 in an internal meshing manner, the lower end of the transmission shield 3 in the internal meshing manner is connected with the left end of the motor 4, the bottom of the motor 4 is fixed with the lower end of the support frame 6 in the right side in a bolt manner, the upper end of the collecting tank 5 is in clearance fit with the bottom of the mixing box 1, the mixing box 1 comprises a stirring roller 11, an auxiliary rotary table 12, a feed opening 13, a sleeve 14 and a working cavity 15, the left end of the stirring roller 11 is connected with the auxiliary rotary table 12 in an internal meshing manner, the inner side of the auxiliary rotary table 12 is fixedly connected with the, the top end of the opening 13 of the feed opening is connected with the lower surface of the working cavity 15 in a welding mode.

Wherein, stirring roller 11 includes cutter strip 111, wiping board 112, roll body 113, cutter strip 111 end and roll body 113 surface are embedded and are connected, roll body 113 surface and wiping board 112 are embedded and are connected, wiping board 112 is inboard and cutter strip 111 outer end clearance fit, cutter strip 111 adopts the rectangular type to fix, through the clearance that keeps the certain distance with wiping board 112, through the cutting when carrying out graphite by the cutter of distance between the clearance crushing, wherein roll body 113 is favorable to cutting cutter strip 111 and wiping board 112 to drive, mixes the inside graphite stone and the plastics raw materials of box simultaneously with its two structures through the rotation.

Wherein, cutter strip 111 includes cutting sword a1, strip body a2, mount a3, activity groove a4, it is connected with activity groove a4 inner wall to inlay fixedly to cut sword a1 both ends, activity groove a4 is whole to be connected with strip body a2 surface block, it is connected with mount a3 both ends to inlay fixedly in the middle of strip body a2, mount a3 both ends and activity groove a4 outside clearance fit, activity groove a4 distributes in strip body a2 body surface, fixes through inner wall and cutting sword a1, and it is connected with its cutting sword a1 of inlaying fixedly, and wherein activity groove a4 is favorable to producing the interval at the pivoted in-process of cutting sword a1, and carries out the water conservancy diversion with the graphite powder that it cut down with a same interval to carry out to mix with raw and stir by the graphite powder under the water conservancy diversion and raw and other materials together.

The cutting knife a1 comprises a sleeve disc a11, a blade a12, a driving shaft a13 and a spring brace a14, wherein the surface of the sleeve disc a11 is integrally connected with the driving shaft a13 in a nested manner, the driving shaft a13 is in clearance fit with the surface of the blade a12, the inner surface of the blade a12 is connected with the spring brace a14 in a nested manner, the bottom of the spring brace a14 is in clearance fit with the outer end of the sleeve disc a11, the blade a12 is provided with six blades which are distributed on the surface of the sleeve disc a11 and fixedly connected with the surface of the sleeve disc a11, and limiting and buffering are performed through the inner side spring brace a14, wherein the driving shaft a13 is favorable for driving the sleeve disc a11 to rotate centrifugally, so that graphite stones are crushed through the blades a12 fixedly arranged on the surface.

The specific working principle is as follows:

the invention puts the collecting groove 5 into the lower end of the mixing box 1, drives the stirring roller 11 in the mixing box 1 by the motor 4 on the right side of the supporting frame 6 matching with the transmission shield 3, then adds the plastic film principle of graphene film and graphite stone from the feed hopper 2, makes the stirring roller 1 stir and mix in the working chamber 15 by the matching of the sleeve 14 and the auxiliary turntable 12, then the cutter strip 111 and the scraping plate 112 form centrifugal force at the same time under the driving of the roller body 113, the cutter strip 111 does not change under the embedding position of the fixed frame a3, the cutter strip a1 rotates on the strip body a2 through the movable groove a4, so as to cut and crush the graphite stone and plastic raw material, the driving shaft a13 drives the sleeve a11 under the driving of the centrifugal force, makes the blade a12 fixed by the spring a14 cut the graphite stone and plastic film raw material, effectively cuts the internal raw material and graphite stone into powder brace, according to the invention, the roller body 113 rotates under the coordination of the internal structure of the transmission shield 3, the cutter strip 111 and the scraping plate 112 synchronously rotate through centrifugal force, the cutting knife a1 fixed in the movable groove a4 is driven by phase change through rotation, the film raw material and the graphite stone which need to be mixed together in the roller body are cut and stirred, then the flow is further guided through the movable groove a4, the graphite stone is effectively guided after being cut into powder through the movable groove a4, and the direct stirring and mixing of the film raw material and the graphite stone dust are further accelerated.

Example 2:

as shown in fig. 6 to 7:

the wiping plate 112 comprises a pushing plate b1, a connecting ring b2, a rubber strip b3 and a swinging seat b4, two ends of the pushing plate b1 are connected with the inside of the rubber strip b3 in a nested manner, two ends of the rubber strip b3 are fixedly connected with the swinging seat b4 in an embedded manner, the surface of the swinging seat b4 is integrally hinged with a connecting ring b2, the whole connecting ring b2 is in clearance fit with the side end of the pushing plate b1, the pushing plate b1 is provided with three speed, the rubber strip b3 and the connecting ring b2 are connected and fixed together, and the pushing plate b1 is beneficial to pushing in the rotating process and is pushed by graphite powder which is electrostatically adsorbed on the inner wall of the box body, so that the powder of the pushing plate b1 is mixed with cut plastic raw materials in a phase-changing manner.

The push plate b1 comprises a stabilizing groove b11, a plate body b12, a pull rope b13, a clamping hook b14 and a buffering groove b15, the stabilizing groove b11 is integrally connected with the lower surface of the plate body b12 in an embedded mode, the lower end of the plate body b12 is in clearance fit with the buffering groove b15, the inside of the buffering groove b15 is in sliding fit with the two ends of the clamping hook b14, the top of the clamping hook b14 is in welded connection with the lower surface of the stabilizing groove b11, the surface of the stabilizing groove b11 is in nested connection with the top of the pull rope b13, a spring is arranged inside the buffering groove b15 to clamp the b14, the contact interval with the wall surface can be adjusted through centrifugal force, and the pull rope b13 is beneficial to contracting the plate body b12 after contacting with the graphite stones so as to enter the buffering groove b15 to avoid the graphite stones, and long-time pushing with the graphite stones is avoided.

The plate body b12 comprises a stretching seat c1, a fixing bolt c2 and an elastic block c3, two sides of the stretching seat c1 are movably matched with the inner surface of the elastic block c3, the outer end of the elastic block c3 is integrally in threaded connection with the fixing bolt c2, the inner side of the fixing bolt c2 is in overall clearance fit with the stretching seat c1, the stretching seat c1 is distributed between the two elastic blocks c3, the stretching interval of the elastic blocks is lengthened through the stretching capacity of the stretching seat c1, the stretching seat c1 is beneficial to stretching the elastic block c3 to two ends due to centrifugal force after the elastic blocks c3 touch the graphite stone, and the graphite stone is prevented from contacting the elastic block c3 for a long time.

The elastic block c3 comprises a scraper c31, a pressing spring c32, an elastic sheet c33 and a pressure reducing strip c34, the whole scraper c31 is fixedly connected with the upper end of the surface of the pressure reducing strip c34 in an embedded mode, the inner side of the pressure reducing strip c34 is in clearance fit with the upper end of the elastic sheet c33, the inner side of the elastic sheet c33 is in clearance fit with the whole pressing spring c32, the upper end face of the pressing spring c32 is in nested connection with the inner wall of the pressure reducing strip c34, the elastic sheet c33 is in an inverted M shape and is distributed on the inner side of the scraper c31 to be in clearance fit with the elastic sheet c33, the contact clearance between the scraper c31 and a box body is reduced due to the fact that the elastic sheet c33 is matched with the pressure reducing strip c34, and the graphite powder can be pushed by keeping a certain.

The specific working principle is as follows:

the invention wipes the inner wall of the mixing box 1 by the wiping plate 112 which is thrown out synchronously, so that the graphite powder which is adsorbed by static electricity is pushed, the pushing plate b1 is thrown out by rotating, the pushing plate b1 is connected and fixed by the rubber strip b3 and the swinging seat b4 under the matching of the connecting ring b2, the buffer groove b15 throws the snap hook b14 outwards under the throwing-out of the centrifugal force, the stabilizing groove b11 throws the plate body b12 out of the box inner wall surface to contact with the pulling rope b13, and the inner elastic sheet c33 is movably matched with the inner side of the box body by the pressing spring 32 when the scraping plate c31 and the surface of the pressure reducing strip c34 are in interference wiping with the box inner wall in order to prevent the collision with the graphite stone during the rotating process, so that the spacing is formed between the elastic blocks c3 by the pulling seat c1 during the centrifuging process, the fixing of the fixing bolt c2 is added with the fixing of the fixing bolt c2 to strengthen the inner side of the box body. The graphite powder which is electrostatically adsorbed on the inner wall of the box is effectively scraped, the graphite powder is pushed to the discharge opening 13 through the scraping, the graphite powder is thrown out through the scraping plate 112 in cooperation with centrifugal force, the thrown-out pushing plate b1 is attached to the inner wall of the box body, so that the graphite powder is clamped under the fixation of the clamping hook b14, the clamping is prevented from being released, the pressure reducing strip c34 is attached to the elastic sheet c33 in a buffering mode through the centrifugal cooperation of the scraping plate c31, the graphite powder which is electrostatically adsorbed is effectively pushed and then mixed with plastic raw materials, and the mixing speed of the graphite powder and the plastic raw materials is accelerated.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein; any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a graphite alkene film processor, its structure includes mixing box (1), feeder hopper (2), transmission guard shield (3), motor (4), collecting vat (5), support frame (6), mixing box (1) right side top and feeder hopper (2) lower extreme surface welded connection, mixing box (1) right side is connected with transmission guard shield (3) internal toothing, the inside lower extreme of transmission guard shield (3) is connected with motor (4) left end meshing, motor (4) bottom and support frame (6) right side lower extreme bolt fastening, collecting vat (5) upper end and mixing box (1) bottom clearance fit, its characterized in that:

mixing box (1) is including stirring roller (11), supplementary revolving stage (12), feed opening (13), sleeve (14), working chamber (15), stirring roller (11) left end is connected with supplementary revolving stage (12) inside engagement, supplementary revolving stage (12) inboard is connected with working chamber (15) left end embedded solid, working chamber (15) inside with stir the whole movable fit of roller (11), stir roller (11) right-hand member and sleeve (14) inside nested connection, feed opening (13) mouthful top and working chamber (15) lower surface welded connection.

2. The graphene film processing machine according to claim 1, wherein: stirring roller (11) are including cutter strip (111), wiping board (112), roll body (113), cutter strip (111) end and roll body (113) surface embedded connection, roll body (113) surface and wiping board (112) embedded connection, wiping board (112) inboard and cutter strip (111) outer end clearance fit.

3. The graphene film processing machine according to claim 2, wherein: the cutter strip (111) is including cutting sword (a1), strip body (a2), mount (a3), activity groove (a4), it is connected with activity groove (a4) inner wall built in to cut sword (a1) both ends, activity groove (a4) is whole to be connected with strip body (a2) surface block, be connected with mount (a3) both ends built in the middle of strip body (a2), mount (a3) both ends and activity groove (a4) outside clearance fit.

4. The graphene film processing machine according to claim 3, wherein: the cutting knife (a1) comprises a sleeve disc (a11), a blade (a12), a driving shaft (a13) and a spring brace (a14), wherein the surface of the sleeve disc (a11) is integrally connected with the driving shaft (a13) in a nested mode, the driving shaft (a13) is in clearance fit with the surface of the blade (a12), the inner surface of the blade (a12) is connected with the spring brace (a14) in a nested mode, and the bottom of the spring brace (a14) is in clearance fit with the outer end of the sleeve disc (a 11).

5. The graphene film processing machine according to claim 2, wherein: the wiping plate (112) comprises a pushing plate (b1), a connecting ring (b2), a rubber strip (b3) and a swinging seat (b4), the two ends of the pushing plate (b1) are connected with the inner portion of the rubber strip (b3) in a nested mode, the two ends of the rubber strip (b3) are fixedly embedded in the swinging seat (b4), the surface of the swinging seat (b4) is integrally hinged with the connecting ring (b2), and the connecting ring (b2) is integrally matched with the side end of the pushing plate (b1) in a clearance mode.

6. The graphene film processing machine according to claim 5, wherein: the push plate (b1) comprises a stabilizing groove (b11), a plate body (b12), a pull rope (b13), a clamping hook (b14) and a buffering groove (b15), wherein the stabilizing groove (b11) is integrally embedded and fixedly connected with the lower surface of the plate body (b12), the lower end of the plate body (b12) is in clearance fit with the buffering groove (b15), the inside of the buffering groove (b15) is in sliding fit with the two ends of the clamping hook (b14), the top of the clamping hook (b14) is in welded connection with the lower surface of the stabilizing groove (b11), and the surface of the stabilizing groove (b11) is in nested connection with the top of the pull rope (b 13).

7. The graphene film processing machine according to claim 6, wherein: the plate body (b12) comprises a stretching seat (c1), a fixing bolt (c2) and an elastic block (c3), wherein two sides of the stretching seat (c1) are movably matched with the inner surface of the elastic block (c3), the outer end of the elastic block (c3) is integrally in threaded connection with the fixing bolt (c2), and the inner side of the fixing bolt (c2) is in integral clearance fit with the stretching seat (c 1).

8. The graphene film processing machine according to claim 7, wherein: the elastic block (c3) comprises a scraper (c31), an extrusion spring (c32), an elastic sheet (c33) and a pressure reducing strip (c34), the scraper (c31) is integrally connected with the upper end of the surface of a pressure reducing strip (c34) in an embedded mode, the inner side of the pressure reducing strip (c34) is in clearance fit with the upper end of the elastic sheet (c33), the inner side of the elastic sheet (c33) is in clearance fit with the extrusion spring (c32) in an integrated mode, and the upper end face of the extrusion spring (c32) is connected with the inner wall of the pressure reducing strip (c34) in a nested mode.