WO2023109369A1

WO2023109369A1 - Graphene processing apparatus for coating solar panel

Info

Publication number: WO2023109369A1
Application number: PCT/CN2022/130447
Authority: WO
Inventors: 范忆慧
Original assignee: 广东海洋大学
Priority date: 2021-12-14
Filing date: 2022-11-08
Publication date: 2023-06-22
Also published as: CN114377901A; CN114377901B

Abstract

Provided is a graphene processing apparatus, and in particular, a graphene processing apparatus for coating a solar panel, comprising a bottom plate (1), a main frame (2), fixed rear supports (3), locomotion wheels (31), etc.; the bottom plate (1) is provided on other support devices; two pairs of locomotion wheels (31) are slidably connected to the bottom plate (1); the main frame (2) is rotatably connected between the pair of locomotion wheels (31) located on the left side; a pair of fixed rear supports (3) are fixedly connected to the right portion of the main frame (2); a graphene supplementing and pressing assembly (6), an intermittent connecting assembly (7), and a trowelling plate (8) are provided on the main frame (2). Four fixed distribution pipes (72) are independently controlled to be sequentially opened and closed, and an electric push rod (61) intermittently expands and contracts and intermittently presses the inside of a fixed bent pipe (55), so that the extrusion amount of graphene is kept constant, and then the graphene is uniformly spread on the surface of a solar panel, thereby achieving the purpose of accurately controlling the extrusion amount of the graphene to ensure the thickness of the graphene.

Description

A graphene processing device for coating solar panels

technical field

The invention relates to a graphene processing device, in particular to a graphene processing device for coating solar panels.

Background technique

Graphene has excellent optical, electrical, and mechanical properties. It has important application prospects in materials science, micro-nano processing, energy, and biomedicine. It is considered to be a revolutionary material in the future. As the most popular solar power generation today, the solar panel is a device for receiving solar energy, and its working effect is directly affected by the sun. Coating graphene on the solar panel can solve the problem that the solar panel cannot receive sunlight in rainy days, so It is necessary to coat a layer of graphene on the solar panel.

In the process of coating the solar panel with graphene, the injection amount of graphene must be precisely controlled. If the graphene on the solar panel is too thick, it will affect the normal work of the solar panel on sunny days. If the graphite on the solar panel If the graphene is too thin, the energy conversion effect of the solar panel will deteriorate in rainy days, and after ensuring a certain amount of graphene is accurately injected, in order to further ensure the uniformity of the graphene, it needs to be wiped evenly.

Therefore, how to design a graphene processing device that can precisely control the extruded amount of graphene to ensure its thickness and ensure that the graphene is evenly coated on the solar panel is a problem to be solved urgently by the present invention.

Contents of the invention

The object of the present invention is to provide a graphene processing device for smearing solar panels, including a base plate, a main frame, a fixed rear support, a walking wheel, a driving walking assembly and a rolling trigger assembly, and other supporting equipment is provided with a base plate, which slides on the base plate There are two pairs of walking wheels connected in the same way, and the main frame is connected with the co-rotating type between the pair of walking wheels on the left side. The main frame is equipped with driving and walking components, and the main frame is equipped with rolling trigger components, and also includes graphene supplementary pressurization components, intermittent connection components and wiper plates, of which:

The main frame is provided with a graphene supplementary pressurization component, and the graphene supplementary pressurization component is used to supplement graphene intermittently;

The main frame is provided with an intermittent connection component, which is used for intermittently extruding graphene;

The right part of the main frame is fixedly connected with a wiper plate.

As a preferred technical solution of the present invention, a groove is provided on the lower left side of the trowel, and the trowel is used to smooth the graphene on the solar panel.

As a preferred technical solution of the present invention, the drive walking assembly includes a bracket, a bidirectional motor, a power shaft, a pulley and a belt, a bracket is arranged on the upper part of the main frame, a bidirectional motor is fixedly installed on the bracket, and a bidirectional motor output shaft Both ends are equipped with a power shaft, the power shaft passes through the fixed rear bracket on the same side, and the end of the power shaft away from the bidirectional motor is fixed with a pulley, and the lower part of the main frame is also connected to a pair of pulleys in a rotatable manner, between the two pulleys on the same side Commonly wound with a belt.

As a preferred technical solution of the present invention, the rolling trigger assembly includes a central shaft, a rotating strut, a transmission gear, a rotating gear, a fixed elbow, a rotating smearing roller and intermittent control components, and the central shaft is rotatably connected to the main frame. The main frame is rotatably connected with a rotating support rod, and a transmission gear is provided on the center shaft, and a transmission gear is also provided on one of the pulleys, and the two transmission gears are meshed. The transmission gear meshes, the main frame is fixedly connected with a fixed elbow, and the lower part of the fixed elbow is rotatably connected with a rotating smear roller, the fixed elbow communicates with the rotating smear roller, and the rotating smear roller is fixedly connected with the rotating pole. on a rotating applicator roller.

As a preferred technical solution of the present invention, the intermittent control part includes a fixed conductive rod, a conductive ring and a controller, four fixed conductive rods are arranged in an evenly distributed manner on the front of the rotating applicator roller, and a conductive rod is arranged on the fixed elbow. ring, the conductive ring is in contact with one of the fixed conductive rods, and the main frame is provided with a controller.

As a preferred technical solution of the present invention, the graphene supplementary pressurization assembly includes an electric push rod, a graphene cylinder, a fixed trigger rod, a butterfly valve and a torsion spring, and the upper part of the main frame is fixedly connected with an electric push rod. The telescopic shaft is slidably matched with the fixed elbow, and the telescopic shaft of the electric push rod is closely attached to the inner wall of the fixed elbow. A fixed trigger rod is fixedly connected to the telescopic shaft of the electric push rod, a butterfly valve is rotatably connected to the lower part of the graphene cylinder, and a torsion spring is connected between the butterfly valve and the graphene cylinder.

As a preferred technical solution of the present invention, the intermittent connection assembly includes a fixed slotted disc, a fixed shunt pipe and a sliding block. The lower part of the main frame is fixedly connected with a fixed slotted disc. Connection, the inner side of the rotating applicator roller is arranged in a circumferential distribution manner with four fixed shunt pipes, the fixed shunt pipes are slidably connected with a sliding blocking block, and the sliding blocking block is slidably matched with the fixed slotted disc.

As a preferred technical solution of the present invention, the fixed slotted disc is provided with a chute, and the chute is provided with two bends, and the fixed slotted disc guides the sliding blocking block.

As a preferred technical solution of the present invention, it also includes a graphene extraction assembly, the graphene extraction assembly is located on the wiper plate, the graphene extraction assembly includes an extraction tube and an extraction pump, and the extraction tube is connected to the wiper plate. The pipe passes through the bracket, and the upper part of the bracket is fixedly connected with a suction pump, and the suction pump is fixedly connected with the suction pipe.

Compared with the prior art, the present invention has the following advantages:

1. By individually controlling the four fixed shunt tubes to open and close sequentially, and at the same time, the electric push rod will intermittently expand and contract and intermittently pressurize the fixed elbow, so that the extruded amount of graphene can be kept constant, and the graphene can be evenly distributed. Graphene is coated on the surface of solar panels to achieve the purpose of precisely controlling the amount of graphene extruded to ensure its thickness.

2. Through the intermittent opening and closing of the butterfly valve, the graphene will be replenished into the fixed elbow and its upper device through the graphene cylinder, so as to realize the automatic replenishment of graphene and improve the automation of the equipment.

3. During the process of smearing graphene, the wiper will smooth the graphene on the solar panel to make the graphene more uniform. When graphene is accumulated in the groove of the wiper, it will It is extracted by the extraction tube, which further ensures the uniformity of graphene coating to ensure better processing effect.

Description of drawings

Fig. 1 is a schematic diagram of the first three-dimensional structure of a graphene processing device coated with a solar panel according to the present invention.

Fig. 2 is a schematic diagram of the second three-dimensional structure of the graphene processing device for coating solar panels of the present invention.

Fig. 3 is a schematic diagram of the first partial three-dimensional structure of the driving walking assembly of the present invention.

Fig. 4 is a schematic diagram of the second partial three-dimensional structure of the driving walking assembly of the present invention.

Fig. 5 is a schematic diagram of the first partial three-dimensional structure of the rolling trigger assembly of the present invention.

Fig. 6 is a schematic diagram of the second partial three-dimensional structure of the scroll trigger assembly of the present invention.

Fig. 7 is a schematic diagram of a third partial three-dimensional structure of the rolling trigger assembly of the present invention.

Fig. 8 is a schematic diagram of the first partial three-dimensional structure of the graphene supplementary pressurization assembly of the present invention.

FIG. 9 is a schematic diagram of an enlarged three-dimensional structure at point A in FIG. 8 .

Fig. 10 is a schematic diagram of the second partial three-dimensional structure of the graphene supplementary pressurization assembly of the present invention.

Fig. 11 is a schematic diagram of the fourth partial three-dimensional structure of the rolling trigger assembly of the present invention.

Fig. 12 is a partial three-dimensional structural schematic diagram of the intermittent connection assembly of the present invention.

Fig. 13 is a schematic perspective view of the three-dimensional structure of the fixed slotted disk of the present invention.

Fig. 14 is a schematic diagram of the three-dimensional structure of the graphene extraction assembly of the present invention.

Fig. 15 is a schematic diagram of the three-dimensional structure of the trowel of the present invention.

Marked in the figure: 1-base plate, 2-main frame, 3-fixed rear support, 31-traveling wheel, 4-drive travel assembly, 41-bracket, 42-bidirectional motor, 43-power shaft, 45-pulley , 46-belt, 5-rolling trigger assembly, 51-center shaft, 52-rotating strut, 53-transmission gear, 54-rotating gear, 55-fixed elbow, 56-rotating applicator roller, 57-fixed conductive rod, 58-conductive ring, 59-controller, 6-graphene supplementary pressurization component, 61-electric push rod, 62-graphene cylinder, 63-fixed trigger rod, 64-butterfly valve, 65-torsion spring, 7-intermittent Connecting component, 71-fixed slotted disc, 72-fixed shunt tube, 73-sliding blocking block, 8-smearing plate, 9-graphene extraction component, 91-extraction tube, 93-extraction pump.

Detailed ways

In order to make the technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Example 1

A graphene processing device for coating solar panels, as shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Fig. 10, Fig. 11, Fig. 12, Fig. 13 , as shown in Figure 15, includes a bottom plate 1, a main frame 2, a fixed rear support 3, a walking wheel 31, a driving travel assembly 4, a rolling trigger assembly 5, a graphene supplementary pressurization assembly 6, an intermittent connection assembly 7 and a wiper plate 8. A bottom plate 1 is provided on other supporting equipment, and two pairs of traveling wheels 31 are slidably connected to the bottom plate 1. The main frame 2 is connected to the pair of traveling wheels 31 on the left side in a common rotating manner, and the right part of the main frame 2 is fixed. A pair of fixed rear supports 3 are connected, and the two fixed rear supports 3 are respectively connected to the two walking wheels 31 on the right side in a rotational manner. The main frame 2 is provided with a driving walking assembly 4, which is used to drive the device to move , the main frame 2 is provided with a rolling trigger assembly 5, the main frame 2 is provided with a graphene supplementary pressurization assembly 6, the graphene supplementary pressurization assembly 6 is used to supplement graphene intermittently, and the main frame 2 is provided with an intermittent connection Pass assembly 7, intermittent connection assembly 7 is used for extruding graphene intermittently, main frame 2 right part is fixedly connected with wiping plate 8, is provided with groove (as shown in Figure 15) on the left side lower part of wiping plate 8, wipes Flat plate 8 is used for smoothing the graphene on the solar panel.

Drive walking assembly 4 comprises bracket 41, bidirectional motor 42, power shaft 43, pulley 45 and belt 46, main frame 2 top is provided with bracket 41, is connected with bidirectional motor 42 by bolt on bracket 41, bidirectional motor 42 Both ends of the output shaft are provided with a power shaft 43, and the power shaft 43 passes through the fixed rear support 3 on the same side. For the pulleys 45 , a belt 46 is wound between the two pulleys 45 on the same side, and the belt 46 is used to transmit power between the two pulleys 45 on the same side.

The rolling trigger assembly 5 includes a central axis 51, a rotating pole 52, a transmission gear 53, a rotating gear 54, a fixed elbow 55, a rotating smearing roller 56, a fixed conductive rod 57, a conductive ring 58 and a controller 59, on the main frame 2 A central shaft 51 is connected in a rotational manner, and the main frame 2 is rotationally connected with a rotating strut 52. The central shaft 51 is connected with a transmission gear 53 by welding, and one of the pulleys 45 is also provided with a transmission gear 53. A transmission gear 53 meshes, and the rotating pole 52 is connected with a rotating gear 54 by welding, and the rotating gear 54 meshes with the transmission gear 53 located above, and the main frame 2 is fixedly connected with a fixed elbow 55, which is used for the fixed elbow 55. For transporting graphene, the lower part of the fixed elbow 55 is rotatably connected with a rotating smear roller 56, the fixed elbow 55 communicates with the rotating smearing roller 56, the rotating smearing roller 56 is fixedly connected to the rotating support rod 52, and the front part of the rotating smearing roller 56 is uniform. The distribution mode is provided with four fixed conductive rods 57, the fixed elbow 55 is provided with a conductive ring 58, and the conductive ring 58 is in contact with one of the fixed conductive rods 57, and the main frame 2 is connected with a controller 59 by bolts.

The graphene supplementary pressurization assembly 6 includes an electric push rod 61, a graphene cylinder 62, a fixed trigger rod 63, a butterfly valve 64 and a torsion spring 65. The upper part of the main frame 2 is connected with an electric push rod 61 by screws, and The telescopic shaft is slidably matched with the fixed elbow 55, and the telescopic shaft of the electric push rod 61 is closely attached to the inner wall of the fixed elbow 55. The upper part of the main frame 2 is provided with a graphene tube 62, which is connected to an external graphene supply device. The graphene tube 62 passes through the main frame 2, the graphene tube 62 is connected with the fixed elbow 55, the telescopic shaft of the electric push rod 61 is fixedly connected with a fixed trigger rod 63, and the lower part of the graphene tube 62 is rotatably connected with a butterfly valve 64 , the butterfly valve 64 is used to block the graphene cylinder 62 , and a torsion spring 65 is connected between the butterfly valve 64 and the graphene cylinder 62 .

The intermittent connection assembly 7 includes a fixed slotted disc 71, a fixed shunt pipe 72 and a sliding block 73. The lower part of the main frame 2 is connected with a fixed slotted disc 71 by welding, and a chute is opened on the fixed slotted disc 71. The chute is provided with two turns (referring to Fig. 13), and the fixed grooved disc 71 is connected with the rotating pole 52 in a rotational manner, and the inner side of the rotating applicator roller 56 is circumferentially distributed with four fixed shunt pipes 72 (such as Shown in Figure 12), the fixed shunt pipe 72 is slidably connected with a sliding blockage block 73, the sliding blockage block 73 is used to block the fixed shunt pipe 72, and the sliding blockage block 73 is slidably matched with the fixed slotted disc 71.

When working, push the solar panel to be processed to the left into the top of the bottom plate 1 through other equipment. When the solar panel is in contact with the baffle on the left of the bottom plate 1, it will hold the solar panel to limit the position of the solar panel. There is a gap between the solar panel and the rotating smearing roller 56, and then the staff manually controls the two-way motor 42 to reverse, which will drive the power shaft 43 and the upper device to reverse, and under the transmission of the belt 46, the four pulleys 45 and The upper device will be reversed, so that the traveling wheel 31 and its upper device will move to the left along the chute on the bottom plate 1, and the lower transmission gear 53 will drive the rotating gear 54 and its upper gear through the upper transmission gear 53. The device is reversed, so that the rotating applicator roller 56 and the upper device are reversed together. In the process, one of the sliding blocking blocks 73 will move to one of the corners of the chute of the fixed slotted disc 71, and the fixed slotted disc 71 will squeeze Press one of the sliding blocking blocks 73 to move so that it no longer blocks one of the fixed shunt tubes 72, and at this time one of the fixed conductive rods 57 will contact the conductive ring 58, so that the controller 59 controls the electric push rod 61 to elongate, The fixed trigger rod 63 will push the butterfly valve 64 to swing, and the torsion spring 65 will be compressed accordingly, so that the butterfly valve 64 will be closed, and then the electric push rod 61 will pressurize the inside of the fixed elbow 55, because the fixed elbow 55 and the rotating applicator roller 56 is filled with graphene, and the telescopic shaft of the electric push rod 61 will squeeze the graphene in the fixed elbow 55 and the upper device, so that the graphene in the rotating applicator roller 56 will be shunted through one of the fixed shunt pipes 72 to the solar panel.

When one of the fixed conductive rods 57 is separated from the conductive ring 58, the controller 59 will control the electric push rod 61 to shrink, and the electric push rod 61 will drive the fixed trigger rod 63 to reset, and the torsion spring 65 will then reset and drive the butterfly valve 64 to reset , the graphene cylinder 62 is connected with the external graphene supply device, so that graphene is replenished into the fixed elbow 55 through the graphene cylinder 62 .

Then one of the sliding blocking blocks 73 can move to another corner of the chute of the fixed slotted disc 71, and then one of the sliding blocking blocks 73 is separated from another corner on the fixed slotted disc 71 chute. The slotted disc 71 will squeeze one of the sliding blocking blocks 73 to reset, so that one of the sliding blocking blocks 73 will block one of the fixed shunt tubes 72 again. Because the wiper plate 8 moves to the left together with the main frame 2 and the upper device, after the graphene is smeared on the solar panel, the wiper plate 8 will smooth the graphene on the solar panel, so that the graphene on the solar panel is smeared. more evenly.

Example 2

On the basis of Embodiment 1, as shown in Figure 14, it also includes a graphene extraction assembly 9, the graphene extraction assembly 9 is located on the wiper plate 8, and the graphene extraction assembly 9 is used to extract the left side of the wiper plate 8. The graphene accumulated in the groove, the graphene extraction assembly 9 includes an extraction tube 91 and an extraction pump 93, and the extraction tube 91 is connected to the trowel plate 8, and the extraction tube 91 passes through the bracket 41, and the upper part of the bracket 41 is connected by bolts A suction pump 93 is arranged, and the suction pump 93 is fixedly connected with the suction pipe 91.

In the process of smearing graphene on the solar panel, as the wiper plate 8 has been smoothing the graphene on the solar panel, some graphene will be accumulated in the groove on the left side of the wiper plate 8, and when the two-way motor 42 runs At this time, the extraction pump 93 will also operate, so that the extraction pipe 91 will extract the graphene accumulated in the groove on the left side of the wiper plate 8 to other collection devices, further avoiding the accumulation of graphene on the solar panel, and ensuring the graphene. Apply more evenly.

Embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementations, and the above-mentioned specific implementations are only illustrative, rather than restrictive. Under the enlightenment of the present invention, many forms can also be made without departing from the gist of the present invention and the protection scope of the claims, and these all belong to the protection of the present invention.

Claims

A graphene processing device for coating solar panels, comprising a bottom plate (1), a main frame (2), a fixed rear support (3), traveling wheels (31), a driving travel assembly (4) and a rolling trigger assembly (5) , other supporting equipment is provided with a base plate (1), the base plate (1) is slidably connected with two pairs of road wheels (31), and the pair of road wheels (31) on the left side are jointly rotated and connected with a main frame ( 2), the right part of the main frame (2) is fixedly connected with a pair of fixed rear brackets (3), and the two fixed rear brackets (3) are respectively connected in rotation with the two walking wheels (31) on the right side, and the main frame (2 ) is provided with a drive walking assembly (4), and the main frame (2) is provided with a rolling trigger assembly (5), which is characterized in that it also includes:

Graphene supplementary pressurization assembly (6), is provided with graphene supplementary pressurization assembly (6) on main frame (2), and graphene supplementary pressurization assembly (6) is used for supplementing graphene intermittently;

The intermittent connection assembly (7), the main frame (2) is provided with the intermittent connection assembly (7), and the intermittent connection assembly (7) is used to extrude graphene intermittently;

Wipe the flat plate (8), and the main frame (2) right part is fixedly connected with the wiped flat plate (8).
A kind of graphene processing device for smearing solar panels as claimed in claim 1, is characterized in that: the bottom left side of the wiper plate (8) is provided with a groove, and the wiper plate (8) is used to wipe the graphene on the solar panel flat.
A kind of graphene processing device for smearing solar panels as claimed in claim 1, characterized in that: the drive travel assembly (4) includes a bracket (41), a bidirectional motor (42), a power shaft (43), a pulley (45) and belt (46), main frame (2) top is provided with bracket (41), is fixedly installed with bidirectional motor (42) on the bracket (41), and bidirectional motor (42) output shaft two ends are all provided with The power shaft (43), the power shaft (43) passes through the fixed rear support (3) on the same side, and the power shaft (43) is fixedly connected with a pulley (45) away from the two-way motor (42) one end, and the main frame (2) bottom is the same A pair of pulleys (45) are connected in rotation, and a belt (46) is wound together between the two pulleys (45) on the same side.
A kind of graphene processing device for smearing solar panels as claimed in claim 1, characterized in that: the rolling trigger assembly (5) includes a central shaft (51), a rotating pole (52), a transmission gear (53), a rotating Gears (54), fixed elbows (55), rotating applicator rollers (56) and intermittent control components, the main frame (2) is rotatably connected with a central shaft (51), and the main frame (2) is rotatably connected with a rotating Strut (52), central axis (51) is provided with transmission gear (53), and wherein a pulley (45) is also provided with transmission gear (53), two transmission gears (53) mesh, and rotation pole ( 52) is provided with a rotating gear (54), the rotating gear (54) meshes with the transmission gear (53) located above, the main frame (2) is fixed with a fixed elbow (55), and the lower part of the fixed elbow (55) The rotating type is connected with a rotating smearing roller (56), the fixed elbow (55) communicates with the rotating smearing roller (56), the rotating smearing roller (56) is fixedly connected with the rotating support rod (52), and the intermittent control part is set on the rotating smearing roller (56) on.
A kind of graphene processing device that smears solar panel as claimed in claim 4, is characterized in that: intermittent control part comprises fixed conducting bar (57), conducting ring (58) and controller (59), and rotating smearing roller ( 56) Four fixed conductive rods (57) are arranged in an evenly distributed manner at the front, and a conductive ring (58) is provided on the fixed elbow (55), and the conductive ring (58) is in contact with one of the fixed conductive rods (57) , the main frame (2) is provided with a controller (59).
A kind of graphene processing device for smearing solar panels as claimed in claim 1, characterized in that: the graphene supplementary pressurization assembly (6) includes an electric push rod (61), a graphene cylinder (62), a fixed trigger support Rod (63), butterfly valve (64) and torsion spring (65), main frame (2) top is fixedly connected with electric push rod (61), and the telescopic shaft of electric push rod (61) and fixed elbow (55) sliding type Cooperate, the telescopic shaft of electric pushrod (61) and fixed elbow (55) inwall are closely attached, and main frame (2) top is provided with graphene tube (62), and graphene tube (62) passes main frame (2) ), the graphene cylinder (62) is connected to the fixed elbow (55), the telescopic shaft of the electric push rod (61) is fixedly connected with a fixed trigger rod (63), and the lower part of the graphene cylinder (62) is rotatably connected with a butterfly valve (64), a torsion spring (65) is connected between the butterfly valve (64) and the graphene cylinder (62).
A kind of graphene processing device that smears solar panels as claimed in claim 1, is characterized in that: intermittent connection assembly (7) includes fixed grooved disc (71), fixed shunt pipe (72) and sliding blocking block ( 73), the lower part of the main frame (2) is fixedly connected with a fixed slotted disc (71), the fixed slotted disc (71) is rotationally connected with the rotating pole (52), and the inner side of the rotating applicator roller (56) is circumferentially distributed The mode is provided with four fixed shunt pipes (72), and the fixed shunt pipe (72) is slidably connected with a sliding blockage block (73), and the sliding blockage block (73) cooperates with the fixed slotted disc (71) sliding type.
A kind of graphene processing device that smears solar panel as claimed in claim 7, it is characterized in that: have chute on the fixed grooved disc (71), this chute is provided with two turns, fixed grooved disc (71) 71) play a guiding role to the sliding blocking block (73).
A kind of graphene processing device that smears solar panels as claimed in claim 1, is characterized in that: also comprises graphene extracting assembly (9), and graphene extracting assembly (9) is located on the wiper plate (8), graphite The ethylene extraction assembly (9) includes an extraction tube (91) and an extraction pump (93), and the extraction tube (91) is connected to the trowel (8), and the extraction tube (91) passes through the bracket (41), and the bracket (41) top is affixed with extraction pump (93), and extraction pump (93) is affixed with extraction pipe (91).