Lifting device for preparing graphene composite single crystal copper wire

Abstract

The invention provides a pulling device for preparing a graphene composite single crystal copper wire, comprising: a furnace body provided with a closed reaction chamber; the heating assembly comprises a heating source and a material storage part, the heating source is connected to the material storage part, and the material storage part is provided with a material storage groove communicated with the reaction cavity; the lifting assembly comprises a driving source, a winding drum and a lifting line, the winding drum is rotationally arranged on the furnace body and connected with the driving source, one end of the lifting line is wound around the winding drum, and the other end of the lifting line can extend into the storage tank; the gas supply assembly is arranged on the furnace body and located outside the reaction cavity. A winding drum and a lifting line of a lifting assembly are arranged in a reaction cavity, so that a lifted newly-prepared single-crystal copper wire can directly react with reaction gas to generate a graphene composite single-crystal copper wire, graphene grows in the preparation process of the single-crystal copper wire, the steps of melting and lifting the graphene composite single-crystal copper wire and graphene growth are integrated, and the graphene composite single-crystal copper wire is prepared. One-step preparation of the graphene composite single crystal copper wire is realized, and the preparation cost is greatly reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of copper wire preparation devices, and particularly relates to a lifting device for preparing graphene composite single crystal copper wire. Background Art

[0002] Copper wires are widely used in motor coils, electric wires, circuits inside electronic equipment, etc. According to different usage directions, different requirements are imposed on the electrical conductivity, flexibility, and thermal conductivity of copper. Taking electrical conductivity as an example, the electrical conductivity of general copper wires is 80%-100% IACS. The higher the electrical conductivity, the better the performance and the lower the copper consumption, which plays a key role in reducing costs and improving performance. Among them, the electrical conductivity of graphene-copper composites can reach up to 120% IACS, which is the material with the highest electrical conductivity discovered so far.

[0003] In related technologies, the method for preparing graphene-copper composites generally grows graphene on finished copper materials (wires, foils). Since this method is a reprocessing of finished copper materials, the cost includes the cost of copper materials and the reprocessing cost, which is naturally higher than the cost of copper materials, resulting in a relatively high preparation cost of graphene-copper composites. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a lifting device for preparing graphene composite single crystal copper wire, aiming to solve the problem of relatively high preparation cost of graphene-single crystal copper composites in related technologies.

[0005] To solve the above technical problem, the first aspect of the present invention provides a lifting device for preparing graphene composite single crystal copper wire, including: A furnace body provided with a closed reaction chamber; A heating assembly including a heat source and a material storage member. The material storage member is disposed in the furnace body and within the reaction chamber. The heat source is connected to the material storage member. The material storage member is provided with a storage tank communicating with the reaction chamber, and the heat source is used to heat the reaction raw materials stored in the storage tank; A lifting assembly including a driving source, a winding drum, and a lifting wire. The driving source is disposed outside the reaction chamber of the furnace body. The winding drum is rotatably disposed in the furnace body and connected to the driving source. The winding drum is located within the reaction chamber and above the storage tank. One end of the lifting wire is wound around the winding drum, and the other end can extend into the storage tank. The driving source is used to drive the winding drum to rotate, and the winding drum is used to drive the lifting wire to wind in a direction away from the storage tank; and, A gas supply assembly disposed outside the reaction chamber of the furnace body. The gas supply assembly communicates with the reaction chamber, and the gas supply assembly is used to input reaction gases.

[0006] Optionally, the lifting assembly further includes: A support plate disposed on the furnace body and outside the reaction chamber, and the drive source is fixed to the support plate; A connecting rod, one end of which is disposed on the furnace body and the other end extends toward the storage member, and the connecting rod is located in the reaction chamber; A drive shaft disposed on the drive source. The furnace body is provided with a communication hole. One end of the drive shaft away from the drive source passes through the communication hole and is rotatably connected to the end of the connecting rod away from the furnace body. The winding drum is sleeved and fixed on the outer side of the drive shaft, and the winding drum is located between the drive source and the connecting rod; and, A protective sleeve disposed in the communication hole and sleeved on the outer side of the drive shaft.

[0007] Optionally, the gas supply assembly includes: A main pipe disposed on the furnace body and communicating with the reaction chamber; A first branch pipe disposed on the main pipe and communicating with the main pipe; and, A second branch pipe disposed on the main pipe and communicating with the main pipe, and the first branch pipe and the second branch pipe are distributed at intervals.

[0008] Optionally, the gas supply assembly further includes a third branch pipe. The third branch pipe is disposed at one end of the main pipe away from the furnace body, and the third branch pipe communicates with the main pipe. The first branch pipe and the second branch pipe are located between the third branch pipe and the furnace body.

[0009] Optionally, the gas supply assembly further includes a first detection device and a second detection device. Both the first detection device and the second detection device are disposed on the main pipe. The first detection device is used to detect the gas flow rate in the main pipe, and the second detection device is used to detect the gas pressure in the main pipe.

[0010] Optionally, the furnace body includes: An inner cylinder, one end of which is closed and the other end is open; A cover plate disposed at the open end of the inner cylinder, and the cover plate and the inner cylinder enclose to form the reaction chamber; and, An outer cylinder disposed on the cover plate and sleeved on the outer side of the inner cylinder, and a cooling chamber is provided between the outer cylinder and the inner cylinder.

[0011] Optionally, the lifting device for preparing the graphene composite single crystal copper wire further includes a cooling assembly, and the cooling assembly includes: A valve body disposed on the cover plate. The valve body is provided with a first channel and a second channel distributed at intervals, and both the first channel and the second channel communicate with the cooling chamber; The first joint is disposed on the valve body, and the first joint communicates with the first channel; and, The second joint is disposed on the valve body, and the second joint communicates with the second channel; Wherein, the first joint and the second joint are respectively used to connect with the water outlet and the water inlet of the chiller.

[0012] Optionally, the pulling device for preparing the graphene composite single crystal copper wire further includes: A hinge assembly disposed outside the furnace body; A first window connected to the hinge assembly. The furnace body is provided with a feed hole facing the storage tank, and the first window can rotate to close or open the feed hole; and, A locking assembly respectively connected to the hinge assembly and the first window. The locking assembly has a locking state in which the hinge assembly and the first window are fixed to each other, and an unlocking state in which the hinge assembly and the first window are separated from each other.

[0013] Optionally, the heat source includes a heater and a heating coil. The heating coil is wound outside the storage member, and the heater is electrically connected to the heating coil.

[0014] Optionally, the pulling device for preparing the graphene composite single crystal copper wire further includes a control assembly, and the control assembly includes: A cabinet body, and the furnace body is disposed outside the cabinet body; A main control board disposed inside the cabinet body. The main control board is electrically connected to the heat source and the driving source; and.

[0015] A control panel disposed outside the cabinet body and electrically connected to the main control board.

[0016] Compared with the related art, the beneficial effects of a pulling device for preparing a graphene composite single crystal copper wire in the present invention are as follows: By arranging the take-up reel and the pulling wire of the pulling assembly in the reaction chamber, the newly prepared single crystal copper wire pulled out can directly react with the reaction gas to generate a graphene composite single crystal copper wire, so that graphene is grown during the preparation process of the single crystal copper wire, integrating the steps of melting, pulling, and graphene growth of the graphene composite single crystal copper wire, realizing the one-step preparation of the graphene composite single crystal copper wire, and greatly reducing the preparation cost. Moreover, due to the method of taking up the reel to take up the graphene composite single crystal copper wire, the situation that the length of the single crystal copper wire is limited by the length of the pull rod can be avoided, and at the same time, the uniformity and continuity of the graphene composite single crystal copper wire during pulling can be maintained, avoiding the occurrence of mid-course shutdown and replacement. In addition, the taken-up graphene composite single crystal copper wire occupies a small space, which is convenient for subsequent storage and transportation, and is more conducive to the mass production of the pulling device. Description of the Drawings

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the related art, the following will briefly introduce the drawings required for the description of the embodiments or the related art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0018] Figure 1 is a schematic structural diagram of a lifting device for preparing a graphene composite single crystal copper wire provided by an embodiment of the present invention; Figure 2 is a sectional view of a lifting device for preparing a graphene composite single crystal copper wire provided by an embodiment of the present invention; Figure 3 is an enlarged view of a partial structure of a lifting device for preparing a graphene composite single crystal copper wire provided by an embodiment of the present invention; Figure 4 is an assembly schematic diagram of a hinge assembly, a first window and a locking assembly provided by an embodiment of the present invention.

[0019] In the drawings, each reference numeral represents: 1, furnace body; 11, reaction chamber; 12, inner cylinder; 13, cover plate; 14, outer cylinder; 15, cooling chamber; 2, heating assembly; 21, heat source; 211, heater; 212, heating coil; 22, storage member; 221, storage tank; 3, lifting assembly; 31, drive source; 32, winding drum; 33, lifting wire; 34, support plate; 35, connecting rod; 36, drive shaft; 37, protective sleeve; 4, gas supply assembly; 41, main pipe; 42, first branch pipe; 43, second branch pipe; 44, third branch pipe; 45, first detection device; 46, second detection device; 5, cooling assembly; 51, valve body; 52, first joint; 53, second joint; 6, hinge assembly; 61, hinge seat; 62, hinge shaft; 63, connecting seat; 7, first window; 8, locking assembly; 81, perforated screw; 82, locking member; 9, control assembly; 91, cabinet; 92, control panel. Detailed Embodiments

[0020] The following will describe in detail the embodiments of the present invention. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present invention, and should not be construed as a limitation of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0021] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present invention.

[0022] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, the meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0023] Embodiment: Please refer to Figures 1 to 4 , an embodiment of the present invention provides a pulling device for preparing a graphene composite single crystal copper wire, including a furnace body 1, a heating assembly 2, a pulling assembly 3 and a gas supply assembly 4. The furnace body 1 is provided with a closed reaction chamber 11; the heating assembly 2 includes a heat source 21 and a material storage member 22. The material storage member 22 is disposed in the furnace body 1 and located inside the reaction chamber 11. The heat source 21 is connected to the material storage member 22. The material storage member 22 is provided with a material storage tank 221 communicating with the reaction chamber 11. The heat source 21 is used to heat the reaction raw materials stored in the material storage tank 221; the pulling assembly 3 includes a driving source 31, a winding drum 32 and a pulling wire 33. The driving source 31 is disposed outside the reaction chamber 11 of the furnace body 1. The winding drum 32 is rotatably disposed in the furnace body 1 and connected to the driving source 31. The winding drum 32 is located inside the reaction chamber 11 and above the material storage tank 221. One end of the pulling wire 33 is wound around the winding drum 32, and the other end (a tiny single crystal copper particle is fixed at the end) can extend into the material storage tank 221. The driving source 31 is used to drive the winding drum 32 to rotate, and the winding drum 32 is used to drive the pulling wire 33 to wind in a direction away from the material storage tank 221; the gas supply assembly 4 is disposed outside the reaction chamber 11 of the furnace body 1. The gas supply assembly 4 communicates with the reaction chamber 11, and the gas supply assembly 4 is used to input reaction gases.

[0024] After introducing reaction gas (such as graphene reaction gas) into the reaction chamber 11 through the gas supply assembly 4, the heat source 21 heats the reaction raw material (such as a copper block) in the storage tank 221, and the driving source 31 drives the winding drum 32 so that the pulling wire 33 is lowered into the storage tank 221 through the winding drum 32. At this time, the end of the pulling wire 33 fixed with single crystal copper particles is immersed in the molten reaction raw material, and then the winding drum 32 drives the pulling wire 33 to perform pulling to obtain a newly prepared single crystal copper wire. At this time, the newly prepared single crystal copper wire pulled out interacts with the reaction gas in the reaction chamber 11 to generate a graphene composite single crystal copper wire.

[0025] By arranging the winding drum 32 and the pulling wire 33 of the pulling assembly 3 in the reaction chamber 11, the newly prepared single crystal copper wire pulled out can directly react with the reaction gas to generate a graphene composite single crystal copper wire, so that graphene is grown during the preparation process of the single crystal copper wire, integrating the steps of melting, pulling, and graphene growth of the graphene composite single crystal copper wire, realizing the one-step preparation of the graphene composite single crystal copper wire, and greatly reducing the preparation cost. Moreover, due to the method of winding the winding drum 32 for pulling the graphene composite single crystal copper wire, the situation that the length of the single crystal copper wire is limited by the length of the pulling rod can be avoided, and at the same time, the uniformity and continuity of the graphene composite single crystal copper wire during pulling can be maintained, avoiding the occurrence of mid-course shutdown and replacement. In addition, the wound graphene composite single crystal copper wire occupies a small space, which is convenient for subsequent storage and transportation, and is more conducive to the mass production of the pulling device.

[0026] It should be noted that in the prior art, the pulling of single crystal copper wire generally adopts a pulling rod driven by a motor to lift, and the length of the single crystal copper wire will be limited by the length of the pulling rod.

[0027] Please refer to Figure 2 and Figure 3, the lifting assembly 3 further includes a support plate 34, a connecting rod 35, a drive shaft 36 and a protective sleeve 37. The support plate 34 is disposed on the furnace body 1 and located outside the reaction chamber 11. The drive source 31 is fixed to the support plate 34, thereby supporting and fixing the drive source 31 on the outside of the furnace body 1. One end of the connecting rod 35 is disposed on the furnace body 1 and the other end extends toward the storage member 22. The connecting rod 35 is located inside the reaction chamber 11 and above the storage member 22. The drive shaft 36 is disposed on the drive source 31. The furnace body 1 is provided with a communication hole. One end of the drive shaft 36 away from the drive source 31 passes through the communication hole and is rotatably connected to the end of the connecting rod 35 away from the furnace body 1. The drive source 31 can drive the drive shaft 36 to rotate relative to the connecting rod 35 and the furnace body 1. The winding drum 32 is sleeved and fixed on the outside of the drive shaft 36, so that the winding drum 32 can rotate following the drive shaft 36, realizing the drive source 31 to drive the winding drum 32 to rotate. The winding drum 32 is located between the drive source 31 and the connecting rod 35 to prevent the winding drum 32 from moving during rotation. The protective sleeve 37 is disposed in the communication hole and sleeved on the outside of the drive shaft 36. The protective sleeve 37 can prevent the drive shaft 36 from directly contacting the furnace body 1, which can not only avoid the loss of the drive shaft 36 due to friction, but also improve the smoothness of the rotation of the drive shaft 36.

[0028] According to actual needs, the drive source 31 can be a rotary motor, and the lifting wire 33 can be a copper wire. The winding drum 32 can be disposed at the top end of the furnace body 1, and the storage member 22 can be disposed at the bottom end of the furnace body 1 to facilitate the lifting of the lifting wire 33; moreover, the winding drum 32 can be made to be far away from the storage member 22, which is beneficial to the cooling of the graphene composite single crystal copper wire during the lifting process.

[0029] In some embodiments, the radius of the winding drum 32 is between ten and twenty centimeters to limit the winding and rolling speed. The winding drum 32 is provided with clamping plates, and the clamping plates can clamp and fix one end of the lifting wire 33 wound around the winding drum 32 on the winding drum 32 to ensure that the lifting wire 33 moves relative to the winding drum 32 during subsequent lifting.

[0030] During the lifting process, the winding and rolling speed can be controlled by controlling the rotation speed of the rotary motor. Among them, the rotation speed can be controlled between half a turn per minute and two turns per minute to make the winding speed and the lifting speed appropriate. It should be understood that the faster the rotation speed is, the smaller the wire diameter of the graphene composite single crystal copper wire is.

[0031] Please refer to Figure 1, the gas supply assembly 4 includes a main pipe 41, a first branch pipe 42, and a second branch pipe 43. The main pipe 41 is arranged on the furnace body 1 and communicates with the reaction chamber 11; the first branch pipe 42 is arranged on the main pipe 41 and communicates with the main pipe 41; the second branch pipe 43 is arranged on the main pipe 41 and communicates with the main pipe 41, and the first branch pipe 42 and the second branch pipe 43 are distributed at intervals. Among them, the first branch pipe 42 can be connected to a vacuum pumping device, so that the reaction chamber 11 can be evacuated; the second branch pipe 43 can be connected to a gas source, so that reaction gas can be supplied into the reaction chamber 11.

[0032] It should be understood that switching valves are provided on the first branch pipe 42 and the second branch pipe 43. When evacuating, the second branch pipe 43 is in a closed state, and when supplying reaction gas, the first branch pipe 42 is in a closed state, so that the same main pipe 41 can be shared for evacuation and gas supply, which can reduce the complexity of the gas path.

[0033] Specifically, the vacuum pumping device evacuates the reaction chamber 11 to a pressure ranging from 10⁻³ Pa to 20⁻⁵ Pa through the first branch pipe 42. Subsequently, the gas source supplies graphene reaction gas into the reaction chamber 11 to standard atmospheric pressure through the second branch pipe 43. The input graphene reaction gas is composed of argon gas, methane gas, and hydrogen gas, and the ratio is between 100:5:5 and 1:1:1. The content of the grown graphene is controlled by the gas ratio, and 70% to 100% wrapped graphene is grown on the surface of the pulled single crystal copper wire.

[0034] Please refer to Figure 1 , the gas supply assembly 4 further includes a third branch pipe 44. The third branch pipe 44 is arranged at one end of the main pipe 41 away from the furnace body 1, and the third branch pipe 44 communicates with the main pipe 41. The first branch pipe 42 and the second branch pipe 43 are located between the third branch pipe 44 and the furnace body 1. Among them, the third branch pipe 44 is a standby pipeline, and the third branch pipe 44 can replace the first branch pipe 42 or the second branch pipe 43 to improve the reliability of gas supply.

[0035] Please refer to Figure 1 , the gas supply assembly 4 further includes a first detection device 45 and a second detection device 46. The first detection device 45 and the second detection device 46 are both arranged on the main pipe 41. The first detection device 45 is used to detect the gas flow rate in the main pipe 41, and the second detection device 46 is used to detect the gas pressure in the main pipe 41, so that the reaction gas flow rate and pressure in the reaction chamber 11 can be monitored in real time, and accurate data monitoring can be carried out, which is beneficial to controlling the graphene content of the single crystal copper wire.

[0036] According to actual needs, the first detection device 45 can be a flow meter, and the second detection device 46 can be a pressure gauge. The first branch pipe 42 and the second branch pipe 43 are respectively located on opposite sides of the main pipe 41, and the first detection device 45 and the second detection device 46 are respectively located on opposite sides of the main pipe 41.

[0037] Please refer to Figure 1 and Figure 2 As shown in FIGS. and, the furnace body 1 includes an inner cylinder 12, a cover plate 13 and an outer cylinder 14. One end of the inner cylinder 12 is closed and the other end is open. The cover plate 13 is arranged at the open end of the inner cylinder 12. The cover plate 13 and the inner cylinder 12 enclose a reaction chamber 11. Among them, the reaction chamber 11 is a closed chamber with high airtightness. The outer cylinder 14 is arranged on the cover plate 13 and sleeved outside the inner cylinder 12. A cooling chamber 15 is provided between the outer cylinder 14 and the inner cylinder 12. The cooling chamber 15 can cool the inner cylinder 12 and the outer cylinder 14, avoiding the overheating of the inner cylinder 12 and the outer cylinder 14, which is beneficial to the growth of graphene on the single crystal copper wire during pulling.

[0038] It should be noted that cooling chambers 15 are also provided at the end of the inner cylinder 12 away from the cover plate 13 and the end of the outer cylinder 14 away from the cover plate 13, so as to cool the entire inner cylinder 12 and the entire outer cylinder 14.

[0039] Please refer to Figure 1 and Figure 2 As shown in FIGS. and, the pulling device for preparing the graphene composite single crystal copper wire further includes a cooling component 5. The cooling component 5 includes a valve body 51, a first joint 52 and a second joint 53. The valve body 51 is arranged on the cover plate 13. The valve body 51 is provided with a first channel and a second channel which are distributed at intervals. Both the first channel and the second channel are communicated with the cooling chamber 15. The first joint 52 is arranged on the valve body 51, and the first joint 52 communicates with the first channel. The second joint 53 is arranged on the valve body 51, and the second joint 53 communicates with the second channel. The first joint 52, the first channel, the cooling chamber 15, the second channel and the second joint 53 form a cooling loop. Among them, the first joint 52 and the second joint 53 are respectively used to connect with the water outlet and the water inlet of the chiller, so that the cooling water of the chiller can circulate in the cooling loop to cool the inner cylinder 12 and the outer cylinder 14.

[0040] Specifically, the cooling water with a lower temperature in the chiller flows into the first joint 52 through the water outlet, and flows through the first channel, the cooling chamber 15, the second channel and the second joint 53. At this time, the cooling water absorbs heat and the temperature rises, and then flows into the chiller from the water inlet. The chiller cools the cooling water, and then circulates in the cooling loop.

[0041] Please refer to Figure 1 and Figure 4, the pulling device for preparing the graphene composite single crystal copper wire further includes a hinge assembly 6, a first viewing window 7, and a locking assembly 8. The hinge assembly 6 is arranged outside the furnace body 1; the first viewing window 7 is connected to the hinge assembly 6. The furnace body 1 is provided with a feed hole facing the storage tank 221. The first viewing window 7 can be rotated to close or open the feed hole; the locking assembly 8 is respectively connected to the hinge assembly 6 and the first viewing window 7. The locking assembly 8 has a locking state in which the hinge assembly 6 and the first viewing window 7 are fixed to each other, and an unlocking state in which the hinge assembly 6 and the first viewing window 7 are separated from each other. The first viewing window 7 is provided to observe the pulling state. Moreover, since the first viewing window 7 can be rotated to close or open the feed hole, it is also convenient to supply materials to the storage member 22.

[0042] During feeding, first unlock the locking assembly 8. At this time, rotate the first viewing window 7 to open the feed hole, and the reaction raw materials are put into the storage tank 221 of the storage member 22 through the feed hole. Then rotate the first viewing window 7 to close the feed hole, and then use the locking assembly 8 to lock the first viewing window 7 and the hinge assembly. During the pulling process of the graphene composite single crystal copper wire, the pulling state can be observed through the first viewing window 7.

[0043] Please refer to Figure 1 and Figure 4 , the hinge assembly 6 includes a hinge seat 61, a hinge shaft 62, and a connecting seat 63. The hinge seat 61 is fixed outside the furnace body 1. The hinge shaft 62 is rotatably arranged on the hinge seat 61. The connecting seat 63 is fixed to the hinge shaft 62. The connecting seat 63 can rotate relative to the hinge seat 61 through the hinge shaft 62. The first viewing window 7 is fixed to the connecting seat 63, so that the first viewing window 7 can rotate relative to the furnace body 1.

[0044] Please refer to Figure 1 and Figure 4 , the locking assembly 8 includes a perforated screw 81 and a locking member 82. The perforated screw 81 is sleeved outside the hinge shaft 62. One end of the perforated screw 81 away from the hinge shaft 62 penetrates through the connecting seat 63. The locking member 82 is threadedly connected to the end of the perforated screw 81 penetrating through the connecting seat 63. When the locking assembly 8 is in the locking state, the locking member 82 is connected to the perforated screw 81, so that the perforated screw 81 can block the connecting seat 63 from rotating relative to the hinge seat 61; when the locking assembly 8 is in the unlocking state, the locking member 82 is separated from the perforated screw 81, and the connecting seat 63 can rotate relative to the hinge seat 61.

[0045] In some embodiments, the furnace body 1 is further provided with a second viewing window, which is arranged opposite to the winding drum 32, so that the winding state of the winding drum 32 can be observed through the second viewing window.

[0046] Please refer to Figure 1 and Figure 2, the heat source 21 includes a heater 211 and a heating coil 212. The heating coil 212 is wound around the outside of the material storage member 22. The heater 211 is electrically connected to the heating coil 212, so that the heating mode of the heating assembly 2 is high-frequency induction heating. Among them, the heating coil 212 can be a high-frequency induction heating coil, and the heater 211 can be a high-frequency induction heater.

[0047] According to actual needs, the material storage member 22 can be a graphite crucible, and the heating coil 212 is arranged on the circular outer peripheral wall of the graphite crucible.

[0048] Please refer to Figure 1 , the pulling device for preparing the graphene composite single crystal copper wire further includes a control assembly 9. The control assembly 9 includes a cabinet 91, a main control board, and a control panel 92. The furnace body 1 is arranged outside the cabinet 91. Among them, the furnace body 1 is arranged at the top of the cabinet 91, so that the furnace body 1 has a certain height, which is convenient for observation through the window. The main control board is arranged inside the cabinet 91, and the main control board is electrically connected to the heat source 21 and the drive source 31; the control panel 92 is arranged outside the cabinet 91 and is electrically connected to the main control board. The rotation speed of the drive source 31, the on-off valves on the first branch pipe 42 and the second branch pipe 43 can be controlled through the control panel 92, so as to control the pulling speed, the vacuum pumping speed, and the air intake speed.

[0049] The preparation process of the graphene composite single crystal copper wire will be described below: First, rotate the first window 7 to open the feed hole, put the single crystal copper block into the material storage tank 221 of the material storage member 22, and then rotate the first window 7 to close the feed hole. The vacuum pumping device evacuates the reaction chamber 11 to a pressure of 10^-3 Pa to 10^-5 Pa through the first branch pipe 42. After closing the vacuum pumping device, the gas source delivers the graphene reaction gas to the reaction chamber 11 through the second branch pipe 43, and the pressure in the reaction chamber 11 rises to one standard atmosphere. After repeating this several times, close the first branch pipe 42 (or replace the vacuum pumping device with a gas source), and adjust the flow rate of the reaction gas. The flow rate is displayed by the first detection device 45. Then start the heater 211, and the heater 211 controls the heating coil 212 to heat the copper block stored in the material storage tank 221. One end of the pulling wire 33 is reserved on the take-up reel 32. After the copper block is completely melted, the drive source 31 drives the take-up reel 32 to rotate, and the lower pulling wire 33 is lowered to the surface of the molten copper liquid in the material storage tank 221. After the pulling wire 33 contacts the surface of the copper liquid, the drive source 31 drives the take-up reel 32 to rotate again, driving the pulling wire 33 to rise for pulling. The newly prepared single crystal copper wire is pulled out and reacts with the reaction gas in the reaction chamber 11 to generate the graphene composite single crystal copper wire.

[0050] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A pulling device for preparing graphene composite single crystal copper wire, characterized in that: include: The furnace body is provided with a closed reaction chamber; A heating assembly, comprising a heat source and a material storage member, wherein the material storage member is arranged on the furnace body and located in the reaction chamber, the heat source is connected to the material storage member, the material storage member is provided with a material storage tank communicating with the reaction chamber, and the heat source is used to heat the reaction raw materials stored in the material storage tank; A pulling assembly, comprising a driving source, a winding drum and a pulling wire, wherein the driving source is arranged on the furnace body and is located outside the reaction chamber, the winding drum is rotatably arranged on the furnace body and is connected to the driving source, the winding drum is located in the reaction chamber and above the material storage tank, one end of the pulling wire is wound around the winding drum and the other end can extend into the material storage tank, the driving source is used to drive the winding drum to rotate, and the winding drum is used to drive the pulling wire to be wound in a direction away from the material storage tank; and, A gas supply component is arranged on the furnace body and located outside the reaction chamber. The gas supply component is connected to the reaction chamber and is used to input reaction gas.

2. The pulling device for preparing graphene composite single crystal copper wire according to claim 1, characterized in that: The lifting component also includes: A support plate, disposed on the furnace body and outside the reaction chamber, the driving source being fixed to the support plate; A connecting rod, one end of which is disposed on the furnace body and the other end of which extends toward the material storage member, the connecting rod being located in the reaction chamber; A driving shaft is arranged on the driving source, a connecting hole is arranged on the furnace body, an end of the driving shaft away from the driving source passes through the connecting hole and is rotatably connected to an end of the connecting rod away from the furnace body, the winding drum is sleeved and fixed on the outside of the driving shaft, and the winding drum is located between the driving source and the connecting rod; and, A protective sleeve is arranged in the communicating hole and sleeved on the outer side of the driving shaft.

3. The pulling device for preparing graphene composite single crystal copper wire according to claim 1, characterized in that: The gas supply assembly comprises: A main pipe, disposed on the furnace body and connected to the reaction chamber; A first branch pipe is disposed on the main pipe and communicated with the main pipe; and The second branch pipe is arranged on the main pipe and communicated with the main pipe, and the first branch pipe and the second branch pipe are spaced apart from each other.

4. The pulling device for preparing graphene composite single crystal copper wire according to claim 3, characterized in that: The gas supply assembly further includes a third branch pipe, which is disposed at one end of the main pipe away from the furnace body and is communicated with the main pipe. The first branch pipe and the second branch pipe are located between the third branch pipe and the furnace body.

5. The pulling device for preparing graphene composite single crystal copper wire according to claim 3, characterized in that: The gas supply assembly further includes a first detection device and a second detection device, both of which are arranged on the main pipe, the first detection device is used to detect the gas flow in the main pipe, and the second detection device is used to detect the gas pressure in the main pipe.

6. The pulling device for preparing graphene composite single crystal copper wire according to claim 1, characterized in that: The furnace body comprises: An inner cylinder having one end closed and the other end open; a cover plate, disposed at the open end of the inner tube, the cover plate and the inner tube enclosing to form the reaction chamber; and The outer cylinder is arranged on the cover plate and sleeved on the outer side of the inner cylinder. A cooling cavity is arranged between the outer cylinder and the inner cylinder.

7. The pulling device for preparing graphene composite single crystal copper wire according to claim 6, characterized in that: The pulling device for preparing graphene composite single crystal copper wire also includes a cooling component, and the cooling component includes: A valve body, arranged on the cover plate, the valve body being provided with a first channel and a second channel distributed at intervals, the first channel and the second channel both being communicated with the cooling cavity; A first connector is provided on the valve body, the first connector is connected to the first channel; and a second connector, disposed on the valve body, the second connector being connected to the second channel; Wherein, the first connector and the second connector are used to be connected to the water outlet and the water inlet of the chiller respectively.

8. The pulling device for preparing graphene composite single crystal copper wire according to claim 1, characterized in that: The pulling device for preparing the graphene composite single crystal copper wire also includes: A hinge assembly is arranged on the outer side of the furnace body; a first viewing window connected to the hinge assembly, the furnace body being provided with a feeding hole arranged opposite to the material storage tank, and the first viewing window being able to rotate to close or open the feeding hole; and, The locking assembly is connected to the hinge assembly and the first window respectively, and has a locking state in which the hinge assembly and the first window are fixed to each other, and an unlocking state in which the hinge assembly and the first window are separated.

9. The pulling device for preparing graphene composite single crystal copper wire according to claim 1, characterized in that: The heat source includes a heater and a heating coil, the heating coil is wound around the outside of the material storage member, and the heater is electrically connected to the heating coil.

10. The pulling device for preparing graphene composite single crystal copper wire according to claim 1, characterized in that: The pulling device for preparing graphene composite single crystal copper wire also includes a control component, and the control component includes: A cabinet, wherein the furnace body is arranged outside the cabinet; A main control board is disposed in the cabinet, and the main control board is electrically connected to the heat source and the driving source; and A control panel is arranged on the outside of the cabinet and is electrically connected to the main control board.

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