CN211792080U - Laser sintering film forming production line of graphene electric heating body - Google Patents
Laser sintering film forming production line of graphene electric heating body Download PDFInfo
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- CN211792080U CN211792080U CN202020731762.XU CN202020731762U CN211792080U CN 211792080 U CN211792080 U CN 211792080U CN 202020731762 U CN202020731762 U CN 202020731762U CN 211792080 U CN211792080 U CN 211792080U
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Abstract
The utility model discloses a laser sintering film-forming production line of a graphene electric heating body, which comprises a production line conveying mechanism, an electrode printing machine arranged on the production line conveying mechanism, a graphene heating body printing machine, a first laser, an insulating heat insulator printing machine and a second laser, wherein the production line conveying mechanism conveys a base body used for bearing the graphene electric heating body to each processing device for processing, firstly, a metal electrode and the graphene electric heating body are sintered into a film by the first laser, then, an insulating heat insulation protective layer is sintered into a film by the second laser, and the original production mode that the heating body can be sintered into a film only by integral heating including the base body is skipped, the utility model realizes production automation, reduces the labor intensity of workers, improves the production efficiency, greatly reduces the production energy consumption, and reduces the discharge of the production industry, the environmental pollution is reduced, the national energy-saving and emission-reducing policy is met, and the method has positive promotion significance for promoting energy conservation and emission reduction.
Description
Technical Field
The utility model relates to a graphite alkene electrical heating technical field especially relates to a laser sintering film forming assembly line of graphite alkene electric heating body.
Background
Graphene, one of the materials of greatest interest in recent years, is a honeycomb structure formed by a single layer of carbon atoms, and is one of the materials with the smallest thickness, the lightest weight and the greatest strength in the world. Meanwhile, graphene also has good thermal properties, researches show that graphene is the substance with the highest thermal conductivity in the world, the thermal conductivity coefficient is as high as 5000W/m.K and is 50-100 times of that of common metals, the percolation threshold is only 0.2 wt%, and a single-layer two-dimensional structure of graphene is easy to form a thermal conduction channel in a matrix, so that graphene is an ideal filler for improving the thermal conductivity.
The graphene heating material is a novel material for converting electric energy into heat energy, is different from another heating material with heating modes such as an electric heating tube, a heating wire, a microwave generator, an electromagnetic generator, light wave radiant heat and the like, can directly convert the electric energy into the heat energy in a conductive mode, and can transfer the heat energy into the air in a radiation and conduction mode.
The graphene heating material is originated in an electric heating base material, is attached to any carrier by the self electric heating characteristic, can be made into a heating body with any power, and can also be suitable for being used in alternating current and direct current environments with various voltages. The basic heating body has simple manufacturing process and can be manufactured by adopting the modes of spraying, printing, diaphragm, bonding, coating, electroplating and the like.
However, the existing production process and production mode of the graphene heating body are complex in flow, large in manual operation amount, low in production efficiency, high in production labor cost, high in production energy consumption and large in industrial emission.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a laser sintering film-forming production line of a graphene electric heating body, which comprises a production line conveying mechanism consisting of a plurality of conveying devices, an electrode printing machine, a graphene heating body printing machine, a first laser, an insulating heat insulator printing machine and a second laser which are sequentially arranged on the production line conveying mechanism, wherein a base body surface cleaning machine is arranged on the conveying device at the input end of the production line conveying mechanism, a dust remover is arranged on the conveying device between the base body surface cleaning machine and the electrode printing machine, a thermal imaging flaw detection device is arranged on the conveying device at the output end of the production line conveying mechanism, an electrifying test device is arranged between the thermal imaging flaw detection device and the second laser, a first dryer is arranged between the electrode printing machine and the graphene heating body printing machine, and a second dryer is arranged between the graphene heating body printing machine and the first laser, and a third dryer is arranged between the insulating heat insulator printing machine and the second laser.
Furthermore, the first laser and the second laser are driven by a numerical control system, a position monitor and a temperature measuring instrument are mounted on the first laser and the second laser, and the numerical control system realizes automatic and accurate linkage control through the position monitor and the temperature measuring instrument.
Furthermore, the electrifying test device comprises a first electrifying test end and a second electrifying test end along the transmission direction of the assembly line conveying mechanism, the first electrifying test end and the second electrifying test end are respectively installed on the left side and the right side of the conveying equipment, a plurality of press roller shafts extend towards the inner sides of the first electrifying test end and the second electrifying test end, electrifying press rollers capable of flexibly rotating are installed on the press roller shafts, and the electrifying press rollers can adaptively adjust the press contact tightness between the electrifying press rollers and the base body according to the thickness of the base body so as to ensure good electrical connection between the electrifying press rollers and the base body electrodes; the centers of the outer sides of the first electrifying test end and the second electrifying test end are provided with electrifying ends, the electrifying ends are respectively connected with an electrifying compression roller and a power supply through electric conductivity, telescopic rods are arranged on two sides of each electrifying end, and the telescopic rods are fixedly connected with an electrifying test device through insulators to ensure that the telescopic rods cannot be electrified; the telescopic rod controls and adjusts the distance between the first electrifying testing end and the second electrifying testing end by extending and shortening.
A laser sintering film-forming production line production method of a graphene electric heating body comprises the following steps:
the method comprises the following steps that firstly, a base body is placed on conveying equipment and conveyed to the position below a base body surface cleaning machine to clean the surface of the base body, the base body is conveyed to the position below a dust remover through the conveying equipment after cleaning is finished, and dust on the surface of the base body is blown away by the dust remover;
secondly, placing a printing net A on the substrate in the first step, conveying the substrate to the lower part of an electrode printing machine, and spraying silver conductive paste on the printing net A on the substrate through a graphene heating body printing machine to obtain a semi-finished product A printed with a metal electrode;
step three, conveying the semi-finished product A in the step two to a first dryer, and heating the surface of the semi-finished product A by the first dryer for drying;
placing a printing net B on the semi-finished product A in the step three, conveying the semi-finished product A to the lower part of a graphene heating element printing machine, and spraying graphene electric heating body printing ink on the printing net B on the semi-finished product A through the graphene heating element printing machine to obtain a semi-finished product B printed with a metal electrode and a graphene electric heating body;
step five, conveying the semi-finished product B in the step four to a second dryer, and heating the surface of the semi-finished product B by the second dryer for drying;
conveying the semi-finished product B in the fifth step to the position below a first laser, performing first laser sintering on the semi-finished product B through the first laser, and sintering the metal electrode and the graphene electric heating body to form a film to obtain a semi-finished product C;
seventhly, placing a printing net C on the semi-finished product C in the sixth step, then conveying the semi-finished product C to the lower part of an insulating and heat-insulating body printing machine, and spraying insulating and heat-insulating body printing ink on the printing net C on the semi-finished product C through the insulating and heat-insulating body printing machine to obtain a semi-finished product D printed with a metal electrode, a graphene electric heating body and an insulating and heat-insulating protective layer;
step eight, conveying the semi-finished product D in the step seven to a third dryer, and heating and drying the surface of the semi-finished product D by the third dryer to obtain a semi-finished product E;
step nine, conveying the semi-finished product E in the step eight to the position below a second laser, performing second laser sintering on the semi-finished product E through the second laser, and sintering the insulating and heat-insulating protective layer to form a film to obtain a finished product;
step ten, conveying the finished product in the step nine to a power-on test device for power-on test, gradually heating the finished product after the power-on test, detecting whether the heating position of the finished product is uniform through thermal imaging flaw detection equipment, and then sorting the product.
Further, the printing screen A in the second step is 180-250 meshes.
Further, the printing screen B in the third step and the printing screen C in the sixth step are 100-200 meshes.
Further, the first dryer, the second dryer and the third dryer in the third step, the fifth step and the seventh step are infrared light wave or resistance heating type tunnel-shaped electric dryers heated by using an infrared light wave or silicon-molybdenum rod mode. The heating temperature can realize flexible setting adjustment and intelligent constant control between normal temperature and 400 ℃.
Further, the laser sintering temperature of the first laser and the second laser in the fifth step and the eighth step is 500-1000 ℃.
Further, the graphene electric heating body ink in the third step is prepared by blending graphene powder, a far infrared emitting agent, FB resin powder and ethanol according to a formula proportion.
Further, the insulating and heat insulating ink in the sixth step is prepared by mixing mica powder, porcelain powder, quartz powder, FB resin powder and ethanol according to a formula ratio.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pair of graphite alkene electric heating body's laser sintering film forming assembly line, carry the base member to each processing equipment through the assembly line transport mechanism who comprises a plurality of transfer apparatus and process, wherein become the film through first laser instrument with metal electrode and graphite alkene electric heating body sintering earlier, then become the film through the second laser instrument with insulating thermal protection layer sintering, the production mode that original needs just can sintering the film with the heat-generating body even whole heating including the base member has been jumped, not only can improve the raise the efficiency, can also reduce the energy consumption, less emission, do not influence the change of base member performance, can suitably reduce the performance of base member, thereby reduction in production cost. And the utility model discloses can realize production process automation, reduce workman's intensity of labour, improve production efficiency, reduction production energy consumption by a wide margin reduces production industry emission, reduces environmental pollution, accords with the energy saving and emission reduction policy of country, has positive promotion meaning to promoting energy saving and emission reduction.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural view of the substrate surface cleaning process of the present invention.
FIG. 3 is a schematic structural view of a primary sintering film forming process in the present invention.
FIG. 4 is a schematic structural view of the secondary sintering film forming process of the present invention.
Fig. 5 is a schematic structural diagram of the inspection process of the product in the present invention.
Fig. 6 is a schematic structural diagram of the middle power-on testing device of the present invention.
Fig. 7 is a schematic diagram of the framework of the present invention.
In the figure: conveying equipment 1, electrode calico printing machine 2, graphite alkene heat-generating body calico printing machine 3, first laser instrument 4, insulating insulator calico printing machine 5, second laser instrument 6, base member surface cleaning machine 7, dust shaker 8, thermal imaging flaw detection equipment 9, circular telegram testing arrangement 10, first circular telegram test end 101, second circular telegram test end 102, pressure roller axle 103, circular telegram compression roller 104, circular telegram end 105, telescopic link 106, first desicator 11, second desicator 12, third desicator 13.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, the definitions "first" and "second" are for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly including one or more of such features.
Referring to fig. 1 to 7, the utility model provides a laser sintering film-forming assembly line of a graphene electric heating body, which comprises a production line conveying mechanism consisting of a plurality of conveying devices 1, an electrode printing machine 2 sequentially arranged on the production line conveying mechanism, a graphene heating body printing machine 3, a first laser 4, an insulating heat insulator printing machine 5 and a second laser 6, wherein a base body surface cleaning machine 7 is arranged on the conveying device 1 at the input end of the production line conveying mechanism, a dust remover 8 is arranged on the conveying device 1 between the base body surface cleaning machine 7 and the electrode printing machine 2, a thermal imaging flaw detection device 9 is arranged on the conveying device 1 at the output end of the production line conveying mechanism, an electrifying test device 10 is arranged between the thermal imaging flaw detection device 9 and the second laser 6, a first dryer 11 is arranged between the electrode printing machine 2 and the graphene heating body printing machine 3, a second dryer 12 is arranged between the graphene heating body printing machine 3 and the first laser 4, and a third dryer 13 is arranged between the insulating heat insulator printing machine 5 and the second laser 6; carry insulating base member to each processing equipment through the assembly line transport mechanism who comprises a plurality of transfer apparatus 1 and process, wherein at first through first laser instrument 4 with metal electrode and graphite alkene electric heating body sintering film-forming, then through second laser instrument 6 with insulating thermal protection layer sintering film-forming, the production mode that the film-forming could just be sintered to the whole heating including the heat-generating body even base member to original needs has been broken away, not only can improve the raise the efficiency, can also reduce the energy consumption, less industry discharges, do not influence the change of base member performance, can suitably reduce the performance of base member, thereby reduction in production cost. And the utility model discloses can realize production process automation, reduce workman's intensity of labour, improve production efficiency.
As the utility model discloses further embodiment, first laser instrument 4, the equal through numerical control system drive of second laser instrument 6, and install position monitor and thermoscope on first laser instrument 4, the second laser instrument 6, numerical control system passes through position monitor and thermoscope linkage automatic control, through position monitor, thermoscope and numerical control system's cooperation, makes the utility model discloses realize automated production accurate control.
As a further embodiment of the present invention, referring to fig. 5 and 6, the energization testing apparatus 10 includes a first energization testing end 101 and a second energization testing end 102 along the transmission direction of the assembly line conveying mechanism, the first energization testing end 101 and the second energization testing end 102 are respectively installed at the left and right sides of the conveying apparatus 1, the first energization testing end 101 and the second energization testing end 102 extend toward the inner side to form a plurality of press rollers 103, the press rollers 103 are sleeved with an energization press roller 104 capable of flexibly rotating, the energization press roller 104 can adaptively adjust the press contact tightness between the energization press roller 104 and the base body according to the thickness of the base body, and it is ensured that the energization press roller 104 can be connected with the base body in a reliable electrical conductivity manner; the centers of the outer sides of the first electrifying test end 101 and the second electrifying test end 102 are provided with an electrifying end 105, the electrifying end 105 is respectively electrically connected with an electrifying compression roller 104 and a power supply, two sides of the electrifying end 105 are provided with telescopic rods 106, the telescopic rods 106 are fixedly connected with the electrifying test device 10 through insulators, and the telescopic rods 106 are ensured not to be electrified; the telescopic rod 106 is used for controlling and adjusting the distance between the first electrifying test end 101 and the second electrifying test end 102 through extension and contraction; when the manufactured finished product is conveyed to the final product inspection process, metal electrodes on two sides of the graphene heating body are respectively contacted with an electrified compression roller 104 on a first electrified testing end 101 and an electrified compression roller 104 on a second electrified testing end 102, a plurality of electrified compression rollers 104 are arranged along the transmission direction of the assembly line conveying mechanism, the first electrified testing end 101 and the second electrified testing end 102 are respectively connected with the input end of a power supply, so that the metal electrodes are continuously connected with the power supply, the graphene heating body is electrified to generate heat, and then the heating positions of the finished product are detected to be uniform by thermal imaging flaw detection equipment 9; in addition, the roller type electrified electrode end can be controlled in a telescopic mode, so that the electrified electrode end can be suitable for graphene heating bodies with different sizes.
The utility model provides a pair of graphite alkene electric heating body's streamlined production method, the step is as follows:
a substrate conveying process: placing the substrate on a conveying device 1 at the input end of the assembly line conveying mechanism;
cleaning the surface of the substrate: conveying the substrate to the position below the substrate surface cleaning machine 7 to wipe and clean the surface of the substrate, conveying the substrate to the position below the dust remover 8 through the conveying equipment 1 after cleaning is finished, and cleaning dust on the surface of the substrate by the dust remover 8;
a step of printing a metal electrode: when the substrate subjected to the substrate surface cleaning process is conveyed to the lower part of the electrode printing machine 2, printing metal conductive slurry on the substrate through the electrode printing machine 2 to prepare a semi-finished product A printed with a metal electrode layer; the electrode printing machine 2 is provided with a printing net A, and the shape and the pattern of the electrode are determined and realized by the printing net A; wherein the printed metal electrode comprises and is not limited to ink type materials which can be used for manufacturing electrodes and adopt sintering type conductive paste;
primary drying of the substrate: conveying the semi-finished product A subjected to the metal electrode printing process to a first dryer 11, and heating, drying and shaping the metal conductive slurry layer on the surface of the semi-finished product A by the first dryer 11;
printing a graphene heating element: when the semi-finished product A after the primary drying procedure is conveyed to the lower part of the graphene heating element printing machine 3, printing the graphene electric heating element printing ink on the semi-finished product A through the graphene heating element printing machine 3 to obtain a semi-finished product B printed with the metal electrode and the graphene electric heating element; the graphene heating element printing machine 3 is provided with a printing net B, the shape and the pattern of the graphene electric heating element are determined and realized by the printing net B,
and (3) secondary drying of the matrix: conveying the semi-finished product B subjected to the working procedure of printing the graphene heating element to a second dryer 12, and heating and drying the semi-finished product B by the second dryer 12, wherein the step of drying and shaping the graphene electric heating element ink layer which is just printed on the surface is mainly carried out properly;
primary sintering film forming procedure: conveying the semi-finished product B subjected to the secondary drying process to the position below a first laser 4, performing primary laser sintering on the semi-finished product B through the first laser 4, and sintering a metal electrode layer and a graphene electric heating layer to form a film to obtain a semi-finished product C;
printing an insulating and heat insulating process: when the semi-finished product C subjected to the primary sintering film-forming process is conveyed to the lower part of the insulating and heat-insulating body printing machine 5, printing insulating and heat-insulating body printing ink on the semi-finished product C through the insulating and heat-insulating body printing machine 5 to obtain a semi-finished product D printed with a metal electrode, a graphene electric heating body and an insulating and heat-insulating protective layer; the insulating heat insulation body decorating machine 5 is provided with a printing net C, and the shape and the pattern of the insulating heat insulation protective layer are determined and realized by the printing net C;
and a third drying process of the matrix: conveying the semi-finished product D subjected to the printing insulating and heat insulating process to a third dryer 13, and heating and drying the semi-finished product D by the third dryer 13, mainly drying and shaping the insulating and heat insulating protective layer which is printed on the surface properly to obtain a semi-finished product E;
a secondary sintering film forming procedure: when the semi-finished product E after the three drying processes is conveyed to the position below the second laser 6, carrying out second laser sintering on the semi-finished product E through the second laser 6, and sintering the insulating and heat-insulating protective layer to form a film to obtain a finished product;
and (3) product inspection working procedures: conveying the finished product subjected to the secondary sintering film-forming process to an electrifying test device 10 for electrifying test, wherein the finished product gradually heats during the electrifying test, and when the finished product subjected to the electrifying heating passes through a thermal imaging flaw detection device 9, whether the heating position of the finished product is uniform can be detected through a heating imaging graph;
and (3) subsequent procedures of products: and (4) the finished product after the product inspection process enters the next process to judge whether the process of the heating element reaches the standard or not, and then the product is conveyed to the next process for sorting.
As a further embodiment of the present invention, the printing screen A in the second step is 180-mesh and 250-mesh.
As a further embodiment of the present invention, the printing screen B in the third step and the printing screen C in the sixth step are 100-mesh and 200-mesh.
As a further embodiment of the present invention, the first dryer 11, the second dryer 12, and the third dryer 13 in the third step, the fifth step, and the seventh step are infrared light waves or resistance heating type tunnel-shaped electric dryers that are heated by using infrared light waves or silicon-molybdenum rods; the heating temperature can realize flexible setting adjustment and intelligent constant control between normal temperature and 400 ℃.
As a further embodiment of the present invention, the laser sintering temperature of the first laser 4 and the second laser 6 in the fifth step and the eighth step is 500-.
As a further embodiment of the present invention, the graphene electric heating body ink in step three includes and is not limited to the graphene powder, the far infrared emitting agent, the FB resin powder and ethanol, and is prepared according to a formula ratio, wherein the graphene powder, the far infrared emitting agent and the FB resin powder are first mixed and then stirred uniformly, and then the ethanol is added and mixed to form an ink slurry; the FB resin powder is 14-180 mu m, and the particle size of the graphene powder is 30-60 nm.
As a further embodiment of the present invention, the insulating and heat-insulating protective layer in step six includes and is not limited to a protective layer material prepared from mica powder, porcelain powder, quartz powder, FB resin powder, and ethanol according to a formula ratio. One of the insulating and heat-insulating protective layers is prepared by mixing mica powder, porcelain powder, quartz powder, FB resin powder and ethanol according to a formula proportion, firstly mixing the mica powder, the porcelain powder, the quartz powder and the FB resin powder, uniformly stirring, and then adding the ethanol for mixing to form ink slurry; the FB resin powder is 14-180 mu m, the particle size of the mica powder is smaller than 800 meshes, and the particle size of the quartz powder is larger than 600 meshes.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A laser sintering film forming production line of a graphene electric heating body is characterized in that: the thermal imaging flaw detection device comprises a production line conveying mechanism consisting of a plurality of conveying devices (1), and an electrode printing machine (2), a graphene heating body printing machine (3), a first laser (4), an insulating heat insulator printing machine (5) and a second laser (6) which are sequentially arranged on the production line conveying mechanism, wherein a base body surface cleaning machine (7) is arranged on the conveying device (1) at the input end of the production line conveying mechanism, a dust remover (8) is arranged on the conveying device (1) between the base body surface cleaning machine (7) and the electrode printing machine (2), a thermal imaging flaw detection device (9) is arranged on the conveying device (1) at the output end of the production line conveying mechanism, an electrifying test device (10) is arranged between the thermal imaging flaw detection device (9) and the second laser (6), and a first dryer (11) is arranged between the electrode printing machine (2) and the graphene heating body printing machine (3), be provided with second desicator (12) between graphite alkene heat-generating body calico printing machine (3) and first laser instrument (4), be provided with third desicator (13) between insulating insulator calico printing machine (5) and second laser instrument (6).
2. The laser sintering film-forming production line of the graphene electric heater according to claim 1, characterized in that: the first laser (4) and the second laser (6) are driven by a numerical control system, a position monitor and a temperature measuring instrument are installed on the first laser (4) and the second laser (6), and the numerical control system carries out linkage automatic control through the position monitor and the temperature measuring instrument.
3. The laser sintering film-forming production line of the graphene electric heater according to claim 1, characterized in that: the electrified testing device (10) comprises a first electrified testing end (101) and a second electrified testing end (102) along the transmission direction of the assembly line transmission mechanism, the first electrified testing end (101) and the second electrified testing end (102) are respectively installed on the left side and the right side of the transmission device (1), a plurality of conductive press roller shafts (103) extend towards the inner sides of the first electrified testing end (101) and the second electrified testing end (102), an electrified press roller shaft (104) capable of freely rotating is installed on the press roller shaft (103), the electrified press roller (104) can self-adaptively adjust the press contact tightness of the electrified press roller (104) and a base body according to the thickness of the base body, and reliable electric conduction connection between the electrified press roller (104) and the base body is ensured; the centers of the outer sides of the first electrifying test end (101) and the second electrifying test end (102) are provided with electrifying ends (105), the electrifying ends (105) are respectively connected with an electrifying press roller (104) and a power supply through electric conductivity, and two sides of each electrifying end (105) are provided with telescopic rods (106); the telescopic rod (106) is fixedly connected with the electrifying test device (10) through an insulator in a separated mode, so that the telescopic rod (106) is prevented from being electrified, and the distance between the first electrifying test end (101) and the second electrifying test end (102) is controlled and adjusted through extension and shortening.
4. The laser sintering film-forming production line of the graphene electric heater according to claim 1, characterized in that: the first dryer (11), the second dryer (12) and the third dryer (13) are infrared light waves or resistance heating type tunnel-shaped electric dryers heated by infrared light waves or silicon-molybdenum rods, and the heating temperature is between normal temperature and 400 ℃.
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| CN111417222A (en) * | 2020-05-07 | 2020-07-14 | 佛山市新豪瑞科技有限公司 | Laser sintering film forming production line and production method of graphene electric heating body |
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| CN111417222A (en) * | 2020-05-07 | 2020-07-14 | 佛山市新豪瑞科技有限公司 | Laser sintering film forming production line and production method of graphene electric heating body |
| CN111417222B (en) * | 2020-05-07 | 2024-04-09 | 佛山市新豪瑞科技有限公司 | Laser sintering film forming assembly line of graphene electric heating body and production method |
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