CN109160506B - Production device of carbon nano tube wire - Google Patents
Production device of carbon nano tube wire Download PDFInfo
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- CN109160506B CN109160506B CN201811138216.9A CN201811138216A CN109160506B CN 109160506 B CN109160506 B CN 109160506B CN 201811138216 A CN201811138216 A CN 201811138216A CN 109160506 B CN109160506 B CN 109160506B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 239000002041 carbon nanotube Substances 0.000 title claims abstract description 125
- 229910021393 carbon nanotube Inorganic materials 0.000 title claims abstract description 125
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 100
- 239000000835 fiber Substances 0.000 claims abstract description 58
- 238000005507 spraying Methods 0.000 claims abstract description 40
- 238000005491 wire drawing Methods 0.000 claims abstract description 27
- 238000009987 spinning Methods 0.000 claims abstract description 3
- 238000007664 blowing Methods 0.000 claims description 7
- 230000001502 supplementing effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 description 15
- 239000011248 coating agent Substances 0.000 description 14
- 238000000576 coating method Methods 0.000 description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 239000004850 liquid epoxy resins (LERs) Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- FVCSARBUZVPSQF-UHFFFAOYSA-N 5-(2,4-dioxooxolan-3-yl)-7-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1C(C(OC2=O)=O)C2C(C)=CC1C1C(=O)COC1=O FVCSARBUZVPSQF-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012681 fiber drawing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/158—Carbon nanotubes
- C01B32/16—Preparation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/158—Carbon nanotubes
- C01B32/168—After-treatment
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention relates to a production device of a carbon nanotube wire, which comprises a wire drawing mechanism, a clamping mechanism, a spraying mechanism and a product conveying mechanism, wherein the wire drawing mechanism is used for spinning carbon nanotubes into carbon nanotube fibers; the clamping mechanism is used for clamping the carbon nanotube fibers on the wire drawing mechanism; the clamping mechanism comprises parallel guide rails, a sliding guide rail and a clamping module; the clamping module comprises a mounting seat, a clamping motor and a clamping arm, wherein an electrode is detachably mounted on the clamping arm and used for clamping carbon nanotube fibers; the spraying mechanism is used for spraying the carbon nanotube fibers; the product conveying mechanism is used for taking the carbon nanotube fiber out of the clamping mechanism. The production device of the carbon nanotube wire has the advantages of simple process, compact connection of all parts, automatic control of the whole process by a program, high efficiency, and capability of accurately manufacturing the carbon nanotube wire by replacing manual operation with machinery, and the manufactured carbon nanotube wire has the characteristics of light weight, high conductivity, high strength and the like.
Description
Technical Field
The invention relates to the technical field of nano material production, in particular to a production device of a carbon nano tube lead.
Background
The carbon nanotube is a one-dimensional nano material with a special structure, the radial dimension of the carbon nanotube is in a nanometer level, the axial dimension of the carbon nanotube is in a micrometer level, and two ends of the carbon nanotube are basically sealed. The carbon nano tube mainly comprises a plurality of layers to dozens of layers of coaxial circular tubes formed by hexagonally arranged carbon atoms, the layers keep a fixed distance, the weight is light, the connection of the hexagonal structure is perfect, and the carbon nano tube has a plurality of exceptional mechanical, electrical and chemical properties.
At present, although many composite material lead materials made of carbon nanotubes appear in the scientific research field and market, no lead product made of pure carbon nanotubes is available, and most of the production of carbon nanotube leads only stays in the research and development stage, and the manufacturing method of the carbon nanotube leads is not clearly indicated to form a production line for integrally producing the carbon nanotube leads.
Disclosure of Invention
Therefore, it is necessary to provide a device for producing a pure carbon nanotube wire, which has a simple process and a high degree of automation, and can produce a carbon nanotube wire with light weight, high conductivity and high strength, in order to solve the problems of the conventional technology.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
an apparatus for producing a carbon nanotube wire, comprising:
the wire drawing mechanism is used for spinning the carbon nano tubes into carbon nano tube fibers;
the clamping mechanism is used for clamping the carbon nanotube fibers on the wire drawing mechanism; the clamping mechanism comprises parallel guide rails, sliding guide rails arranged on the parallel guide rails and a clamping module arranged on the sliding guide rails; the clamping module comprises a mounting seat, a clamping motor and a clamping arm, wherein the clamping motor is mounted in the mounting seat, the clamping arm is connected with the clamping motor, and the clamping arm is used for detachably mounting an electrode;
the spraying mechanism is used for spraying the carbon nanotube fibers with the electrodes on the clamping mechanism; and
and the product conveying mechanism is used for taking out and conveying the carbon nanotube fibers with the electrodes sprayed by the spraying mechanism from the clamping mechanism.
The production device of the carbon nanotube wire has the advantages that the process is simple, the wire drawing mechanism, the clamping mechanism, the spraying mechanism and the product conveying mechanism are arranged, the connection of all the parts is compact, the whole process is automatically controlled by a program, the efficiency is high, the carbon nanotube wire is accurately manufactured by using machinery instead of manual operation, and the manufactured carbon nanotube wire has the characteristics of light weight, high conductivity, high strength and the like.
In one embodiment, the wire drawing mechanism comprises a base, a pallet arranged on the base, a moving module and a rotating assembly arranged on the moving module; a group of wire drawing guide rails which are arranged in parallel are arranged on the base, and the wire drawing guide rails and the parallel guide rails are arranged in parallel; the moving module comprises a crawler belt positioned between the wire drawing guide rails and a driving motor connected with the crawler belt; the rotating assembly is arranged on the wire drawing guide rail and is linked with the crawler.
In one embodiment, the rotating assembly comprises a lifting module, a rotating module connected with the lifting module and mechanical tweezers arranged on the rotating module; the lifting module is fixed on the wire drawing guide rail, and the rotating module drives the mechanical tweezers to rotate; and a driving module is arranged in the mechanical tweezers and used for adjusting the distance between the two arms of the tweezers of the mechanical tweezers.
In one embodiment, the wire drawing mechanism is further provided with a blowing mechanism and a measuring instrument, the blowing mechanism is arranged on one side of the mechanical tweezers, and the measuring instrument is used for measuring the width of the carbon nanotube fiber.
In one embodiment, the spraying mechanism comprises a spraying guide rail, a moving rod arranged on the spraying guide rail, an ejector arranged on the moving rod and a nozzle arranged on the ejector, the spraying guide rail is arranged in parallel with the parallel guide rail, the moving rod slides on the spraying guide rail, and the outlet of the nozzle is aligned with the center line of the electrode.
In one embodiment, the product conveying mechanism comprises a conveying guide rail, a moving module arranged on the conveying guide rail, a conveying mechanical body arranged on the moving module, and a mechanical arm arranged on the conveying mechanical body, wherein the conveying guide rail is arranged in parallel with the spraying guide rail, the moving module is connected onto the conveying guide rail in a sliding mode, and the mechanical arm is used for clamping the electrode.
In one embodiment, a heater is mounted within the mounting block.
In one embodiment, the detector is mounted in the middle of the parallel guide rails.
In one embodiment, the apparatus for producing a carbon nanotube wire further comprises an electrode supplementing mechanism, and the motor supplementing mechanism is installed at one side of the clamping mechanism.
Drawings
Fig. 1 is a schematic combination diagram of a drawing mechanism and a clamping mechanism of a carbon nanotube wire production apparatus according to a preferred embodiment of the present invention, wherein the drawing mechanism is a side view, and the clamping mechanism is a top view;
FIG. 2 is a schematic view of the rotary assembly shown in FIG. 1;
FIG. 3 is a detailed schematic view of the mechanical tweezers of the rotary module of FIG. 2;
FIG. 4 is a schematic view of the clamping module and the electrode assembly shown in FIG. 1;
FIG. 5 is a schematic view of the combination of the clamping mechanism and the spraying mechanism of the present invention;
FIG. 6 is a schematic view of the rotation of the transport robot body and the robotic arm of the product conveying mechanism of the present invention;
FIG. 7 is a top view of the clamping module shown in FIG. 4;
FIG. 8 is a diagram illustrating the clamping module shown in FIG. 4 driving the electrodes to clamp;
FIG. 9 is a schematic view of the electrode shown in FIG. 8;
fig. 10 is a state diagram of the electrode shown in fig. 9 when the first pressure F1 is applied;
fig. 11 is a state diagram of the electrode shown in fig. 8 when the second pressure F2 is applied;
FIG. 12 is a rotational schematic view of a robotic arm of the product transport mechanism shown in FIG. 6;
FIG. 13 is a schematic view of the mechanical tweezers of the fiber drawing mechanism shown in FIG. 1 being inserted into the carbon nanotube array;
FIG. 14 is a sequence of operation steps for the gripping arms of the gripping mechanism near one side of the mechanical tweezers to grip the carbon nanotube fibers; wherein fig. 14(a) and 14(b) are side views, and fig. 14(c) is a top view;
FIG. 15 is a sequence of operation steps for clamping carbon nanotube fibers by the clamping arm operating electrode of the clamping mechanism near one side of the pallet shown in FIG. 1; fig. 15(a) and 15(b) are side views, and fig. 15(c) is a top view.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or may be present in the other element.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 to 6, a carbon nanotube wire production apparatus 100 according to a preferred embodiment of the present invention includes a drawing mechanism 10, a clamping mechanism 20, a spraying mechanism 30, a product conveying mechanism 40, and a control system.
Referring to fig. 1 to 3 again, the drawing mechanism 10 is used to fix a silicon substrate having a carbon nanotube array, draw the carbon nanotube array, and spin the carbon nanotube array into carbon nanotube fibers. Specifically, the drawing mechanism 10 includes a base 11, a tray 12 mounted on the base 11, a moving module 13, and a rotating assembly 14 mounted on the moving module 13. The base 11 is fixed on the floor and used for supporting accessories such as a saddle 12, a moving module 13 and the like, and a group of wire drawing guide rails which are arranged in parallel are installed on the base 11. The tray 12 is located at one end of the base 11 for fixing the silicon substrate, and an adjusting module is installed in the tray 12 for adjusting the height of the tray 12. The moving module 13 includes a track 131 between the drawing rails and a driving motor 132 connected to the track 131, the driving motor 132 is installed in the base 11, and when the driving motor 132 is operated, the track 131 is driven to move by the driving motor 132.
Referring again to fig. 2 and 3, the rotating assembly 14 is mounted on the wire guide and is coupled to the track 131 such that the rotating assembly 14 moves along the wire guide as the track 131 moves. Optionally, the rotating assembly 14 includes a lifting module 140, a rotating module 141 connected to the lifting module 140, and mechanical tweezers 142 installed on the rotating module 141, where the lifting module 140 is fixed on the two wire drawing guide rails to adjust the height of the rotating module 141 relative to the wire drawing guide rails, so that the mechanical tweezers 142 can conveniently grip the carbon nanotubes on the pallet 12; when the mechanical tweezers 142 are operated, the rotating module 141 drives the mechanical tweezers 142 to rotate, the tweezers can rotate clockwise or anticlockwise, and the rotating speed of the rotating module 141 can be adjusted and controlled by the control system. The mechanical tweezers 142 are used for clamping the carbon nanotubes, a driving module is installed in the mechanical tweezers 142, and the driving module is used for adjusting the distance between the two arms of the tweezers of the mechanical tweezers 142. In one embodiment, the surfaces of the mechanical tweezers 142 are coated with an anti-sticking coating, so that the mechanical tweezers 142 do not stick to each other after the carbon nanotubes are clamped by the mechanical tweezers, and optionally, the anti-sticking coating is polytetrafluoroethylene.
In another embodiment, the wire drawing mechanism 10 is further provided with a blowing mechanism and a measuring instrument (not shown), the blowing mechanism is installed at one side of the mechanical tweezers 142 of the rotating assembly 14, and is used for blowing high-pressure gas to blow off the drawn wire of the carbon nanotube on the surface of the tweezers after the mechanical tweezers 142 grab the drawn wire of the carbon nanotube each time, so as to avoid affecting the grabbing of the carbon nanotube next time; a gauge for measuring the width of the carbon nanotube fiber is installed at one side of the rotating assembly 14.
Referring to fig. 1 again, the clamping mechanism 20 is installed at one side of the drawing mechanism 10 and is used for clamping the carbon nanotube fibers on the drawing mechanism 10; the clamping mechanism 20 comprises a pair of parallel guide rails 21, a sliding guide rail 22 arranged on the parallel guide rails 21 and a clamping module 23 arranged on the sliding guide rail 22, wherein the parallel guide rails 21 and the wire drawing guide rails on the wire drawing mechanism 10 are arranged in parallel, and when the clamping mechanism works, the sliding guide rails 22 move on the parallel guide rails 21, and the clamping module 23 moves on the sliding guide rails 22. Referring to fig. 4, the number of the clamping modules 23 is two, the clamping module 23 includes a base 231, a support rod 232 mounted on the base 231, a mounting seat 233 mounted on the support rod 232, a clamping motor mounted in the mounting seat 233, and a clamping arm 234 connected to the clamping motor, the base 231 is mounted on the sliding guide 22 and can move along the sliding guide 22, and the moving direction of the base 231 is perpendicular to the extending direction of the parallel guide 21. The supporting rod 232 is disposed in the center of the base 231, the supporting rod 232 is substantially cylindrical, see fig. 7, a rotating module connected to the supporting rod 232 is installed in the base 231, the rotating module drives the supporting rod 232 to rotate around the center of the supporting rod 232, and the rotating angle is 0-180 °.
The mounting seat 233 is fixed on the support rod 232, and when the clamping mechanism works, the clamping motor drives the clamping arm 234 to perform clamping movement. The clamping arms 234 are arranged in a hollow column shape, the clamping arms 234 are paired, electrodes 235 are detachably mounted on the clamping arms 234, the electrodes 235 serve as conductive ends of carbon nanotube wires, the electrodes 235 can be freely inserted into the clamping arms 234, the electrodes 235 can be easily taken out of the clamping arms 234 after being connected with the carbon nanotubes in subsequent production, the electrodes 235 are made of conductive metal, and the melting point of the metal is higher than that of tin, such as copper, copper alloy, aluminum alloy and the like. In another embodiment, the electrode 235 is provided with an elastic member 236 and a clamping member 237 connected to the elastic member 236, the elastic member 236 is disposed in the electrode 235, the elastic member 236 is an elastic body such as a spring, and the clamping member 237 is used for clamping the carbon nanotube fiber and protrudes from the inner surface of the electrode 235. Referring to fig. 8-11, in operation, when the clamp arm 234 applies a first pressure F1 to the clamp 237, the clamp 237 will clamp the carbon nanotube fiber, but the clamp 237 will not be pressed into the electrode 235; when the second pressing force F2 is applied to the holder 237 by the holder arm 234, the holder 237 is pressed into the electrode 235, so that the outer surface of the pressed holder 237 is at the same level as the inner surface of the electrode 235. Referring to fig. 14 and 15, one side of the clamping member 237 is located on the axial symmetry center plane of the electrode 235, and the other side extends outward, wherein the clamping member 237 on the electrode 235 near one end of the mechanical forceps 142 extends in a direction close to the mechanical forceps 142, and the clamping member 237 on the electrode 235 near one end of the pallet 12 extends in a direction close to the pallet 12. In one embodiment, the outer surface of electrode 235 is coated with a tin film layer.
In another embodiment, a heater (not shown) is installed in the mounting seat 233, and the carbon nanotubes held by the electrode 235 are heated by the heater.
Optionally, a pair of detectors 29 is installed in the middle of the parallel guide rail 21, and the detectors 29 are used to detect the current height of the carbon nanotube fiber, and adjust the distance between the two electrodes 235 when clamping, so that the carbon nanotube fiber clamped between the mechanical tweezers 142 is parallel to the sliding guide rail 22.
Referring to fig. 5 again, the spraying mechanism 30 is installed at one side of the clamping mechanism 20 and is used for spraying the coating liquid onto the carbon nanotube fibers with the electrodes 235 on the clamping mechanism 20 to cover the carbon nanotube fibers with the coating liquid; the spraying mechanism 30 comprises a spraying guide rail 31, a moving rod 32 arranged on the spraying guide rail 31, an ejector 33 arranged on the moving rod 32 and a nozzle 34 arranged on the ejector 33, wherein the spraying guide rail 31 and the parallel guide rail 21 of the clamping mechanism 20 are arranged in parallel; the moving rod 32 slides on the spraying guide rail 31, the sprayer 33 is used for storing the coating liquid and providing liquid spraying force, when in operation, the outlet of the nozzle 34 is aligned with the central line when the two electrodes 235 are clamped, namely the position of the carbon nanotube fiber when being straightened, so that the coating liquid sprayed from the nozzle 34 is sprayed on the surface of the carbon nanotube fiber, meanwhile, the moving rod 32 moves along the spraying guide rail 31 at a constant speed, so that the coating liquid uniformly covers the whole surface of the carbon nanotube fiber, and the coating liquid can be spontaneously and uniformly distributed on the surface of the fiber due to the large specific surface area of the carbon nanotube fiber. Due to the reaction heat of the coating solution and the action of the heater of the clamping mechanism 20, the entire carbon nanotube fiber is heated, and the tin coating on the electrode 235 is melted and then solidified again, so that the two ends of the carbon nanotube fiber are firmly combined with the electrode 235, and a carbon nanotube wire with the electrodes 235 at the two ends is formed.
In one embodiment, the spraying mechanism 30 further comprises a liquid guide tube 39 communicated with the sprayer 33, and the liquid guide tube 39 is communicated with an external liquid container to provide the sprayer 33 with the mixed coating liquid. In another embodiment, the coating liquid is an epoxy resin composite liquid. The liquid epoxy Resin is a high molecular polymer formed by a flexible bone lattice, a carbon molecular chain with the flexible characteristic and a low-polarity group, or the liquid epoxy Resin is a high molecular polymer formed by a flexible bone lattice and an aliphatic bone lattice, and specifically, the liquid epoxy Resin is epoxy Resin EPON Resin 872 or epoxy Resin EPICLON EXA-4816.
Referring to fig. 6 again, the product conveying mechanism 40 is installed at an end portion close to the spraying mechanism 30, and is used for taking out and conveying the carbon nanotube fiber wire of the electrode 235 sprayed by the spraying mechanism 30 from the clamping module 23 of the clamping mechanism 20; the product conveying mechanism 40 comprises a conveying guide rail 43, a moving module arranged on the conveying guide rail 43, a conveying mechanical body 41 arranged on the moving module and a mechanical arm 42 arranged on the conveying mechanical body 41, wherein the conveying guide rail 43 is arranged in parallel with the spraying guide rail 31 of the spraying mechanism 30, and the moving module is connected to the conveying guide rail 43 in a sliding mode so that the moving module drives the conveying mechanical body 41 to slide on the conveying guide rail 43. The robot 42 is used for holding the electrode 235, as shown in fig. 12, in operation, the moving module drives the transportation robot body 41 and the robot 42 to rotate, so that the robot 42 holds the electrode, then the robot rotates laterally to pull the electrode 235 out of the holding arm 234 of the holding module 23, the transportation robot body 41 drives the holding arm 234 to turn over, and meanwhile, the transportation robot body 41 moves along the transportation rail 43 to transport the wire to the unloading area. In one embodiment, the outer surface of the electrode 235 is provided with a groove that fits into the shape of the robotic arm 42 to stabilize the grip of the robotic arm 42 on the motor.
In another embodiment, the apparatus 100 for manufacturing a carbon nanotube wire further includes an electrode supplementing mechanism (not shown) installed at one side of the clamping mechanism 20 for supplementing the electrode 235 to the clamping arm 234 of the clamping mechanism 20.
The control system comprises a control panel, the operation or stop work of the production device 100 is controlled through the control panel, and a switching key is arranged on the control panel, so that two control modes, namely a normal program control mode and a debugging mode control mode, can be realized.
During operation, the silicon substrate is fixed on the support table 12, and the lifting module 140 adjusts the position of the mechanical tweezers 142 to enable the height position of the lower edge of the mechanical tweezers 142 to be equal to the height position of the upper surface of the silicon substrate; the driving module adjusts the distance between the tweezers of the mechanical tweezers 142; referring to fig. 13, the driving motor 132 drives the caterpillar 131 to move, and the mechanical forceps 142 are inserted into the carbon nanotube array, wherein the distance between the two arms of the forceps is 10mm to 15mm, and the depth of the mechanical forceps 142 penetrating into the carbon nanotube array is 0.3mm to 1 mm.
The mechanical tweezers 142 clamp the carbon nanotube array, and the moving module 13 drives the mechanical tweezers 142 to move at a constant speed in a direction away from the saddle 12, so that the mechanical tweezers 142 pull out the spun yarn from the carbon nanotube array; after the mechanical tweezers 142 completely leave the saddle 12, the rotating module 141 drives the mechanical tweezers 142 to rotate, and simultaneously keeps the stretching motion, so that the spun carbon nanotube fiber is formed.
When the length of the carbon nanotube fiber reaches a desired value, the mechanical forceps 142 stops stretching the carbon nanotube fiber; the rotation of the carbon nanotube fiber by the rotation module 141 is maintained, the width of the carbon nanotube is measured by the measuring instrument, and the rotation of the carbon nanotube fiber by the rotation module 141 is stopped when the width of the carbon nanotube reaches a desired width value.
See fig. 14, where CF denotes carbon nanotube fibers and CL denotes center lines; referring to fig. 14(a), moving along the sliding guide 22 near a clamping module 23 to make the clamping arm 234 approach the carbon nanotube fiber, the clamping arm 234 applies a force greater than F1 and less than F2 to the electrode 235, so that the two arms of the electrode 235 move toward each other and close, and the clamping piece 237 clamps the carbon nanotube fiber, as shown in fig. 14 (b); then the clamping module 23 moves towards the direction far away from the carbon nanotube fiber and returns to the position before moving; after the clamping module 23 returns to the original position, the rotating module drives the clamping module 23 to rotate in the direction shown in fig. 14(b), and the rotating angle is 90 degrees; the positional relationship of the carbon nanotube fibers after rotation in the electrode is shown in fig. 14 (c).
See fig. 15, where ST denotes the carbon nanotube array on the gantry 12, CF denotes the carbon nanotube fiber, and CL denotes the centerline; referring to fig. 15(a), a clamping module 23 near one side of the gantry 12 moves along the sliding guide 22 to make the clamping arm 234 approach the carbon nanotube fiber, the clamping arm 234 applies a force greater than F1 and less than F2 to the electrode 235, so that the two arms of the electrode 235 move toward each other and close, so that the clamping piece 237 clamps the carbon nanotube fiber, as shown in fig. 15(b), and then the clamping module 23 moves away from the carbon nanotube fiber and returns to the position before moving; after the clamping module 23 returns to the position before the movement, the rotating module drives the clamping module 23 to rotate at an angle of 90 ° in the direction shown in fig. 15(b), and the positional relationship of the carbon nanotube fiber in the electrode after the rotation is shown in fig. 15 (c).
The detector 29 detects the height of the carbon nanotube fiber, and then fine-tunes the distance between the two electrodes 235, so that the carbon nanotube fiber clamped between the mechanical tweezers 142 is straightened and parallel to the sliding guide 22; then the two clamping arms 234 respectively apply a force larger than F2 to the electrode 235 and keep the force unchanged, the clamping piece 237 is pressed into the electrode 235, so that the inner surfaces of the two arms of the electrode 235 are fully contacted with each other, and the carbon nanotube fiber is fully contacted with the inner surface of the electrode 235;
moving the nozzle 34 to the upper part of the carbon nanotube fiber, spraying coating liquid on the carbon nanotube fiber uniformly, and covering the surface of the carbon nanotube fiber and the connecting part between the carbon nanotube fiber and the electrode with the coating liquid; starting a heater to heat the carbon nanotube fibers, melting tin and then solidifying again, so that the two ends of the carbon nanotube fibers are firmly combined with the clamp parts of the electrodes 235 to form a carbon nanotube wire with the electrodes 235 at the two ends;
the mechanical arm 42 clamps the carbon nanotube wire, takes the carbon nanotube wire out of the clamping arm 234, and the transportation mechanical body 41 drives the clamping arm 234 to turn over by 180 degrees, so that the carbon nanotube wire is transported to the unloading area to be unloaded; the electrode replenishment mechanism replenishes the electrodes 235 onto the gripper arms 234, completing a production cycle.
The production device 100 for the carbon nanotube wire has the advantages that the process is simple, the wire drawing mechanism 10, the clamping mechanism 20, the spraying mechanism 30 and the product conveying mechanism 40 are arranged, the connection of all the parts is compact, the whole process is automatically controlled by a program, the efficiency is high, the carbon nanotube wire is accurately manufactured by replacing manual operation with machinery, and the manufactured carbon nanotube wire has the characteristics of light weight, high conductivity, high strength and the like.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. An apparatus for producing a carbon nanotube wire, comprising:
the wire drawing mechanism is used for spinning the carbon nano tubes into carbon nano tube fibers;
the clamping mechanism is used for clamping the carbon nanotube fibers on the wire drawing mechanism;
the spraying mechanism is used for spraying the carbon nanotube fibers with the electrodes on the clamping mechanism; and
the product conveying mechanism is used for taking out and conveying the carbon nanotube fibers with the electrodes sprayed by the spraying mechanism from the clamping mechanism;
wherein,
the clamping mechanism comprises parallel guide rails, sliding guide rails arranged on the parallel guide rails and a clamping module arranged on the sliding guide rails;
the clamping module comprises a base, a supporting rod arranged on the base, a mounting seat arranged on the supporting rod, a clamping motor arranged in the mounting seat and a clamping arm connected with the clamping motor, wherein the clamping arm is used for detachably mounting an electrode, an elastic part and a clamping part connected with the elastic part are arranged on the inner surface of one end, close to the clamping arm, of the electrode, and the elastic part is arranged in the electrode;
the base is internally provided with a rotating module for connecting the supporting rods, and the rotating module is used for driving the supporting rods to rotate.
2. The apparatus for producing a carbon nanotube wire according to claim 1, wherein the drawing mechanism comprises a base, a stage mounted on the base, a moving module, and a rotating assembly mounted on the moving module; a group of wire drawing guide rails which are arranged in parallel are arranged on the base, and the wire drawing guide rails and the parallel guide rails are arranged in parallel; the moving module comprises a crawler belt positioned between the wire drawing guide rails and a driving motor connected with the crawler belt; the rotating assembly is arranged on the wire drawing guide rail and is linked with the crawler.
3. The apparatus for producing carbon nanotube wire according to claim 2, wherein the rotating assembly comprises a lifting module, a rotating module connected to the lifting module, and mechanical tweezers mounted on the rotating module; the lifting module is fixed on the wire drawing guide rail, and the rotating module drives the mechanical tweezers to rotate; and a driving module is arranged in the mechanical tweezers and used for adjusting the distance between the tweezers of the mechanical tweezers.
4. The apparatus for producing carbon nanotube wire according to claim 2, wherein the drawing mechanism further comprises a blowing mechanism and a measuring instrument, the blowing mechanism is mounted on one side of the mechanical tweezers, and the measuring instrument is used for measuring the width of the carbon nanotube fiber.
5. The apparatus for producing a carbon nanotube wire according to claim 1, wherein the spraying mechanism comprises a spraying rail, a moving rod mounted on the spraying rail, an injector mounted on the moving rod, and a nozzle mounted on the injector, the spraying rail is disposed parallel to the parallel rail, the moving rod slides on the spraying rail, and an outlet of the nozzle is aligned with a center line of the electrode.
6. The apparatus for manufacturing carbon nanotube wire as claimed in claim 5, wherein the product conveying mechanism comprises a transportation rail, a moving module mounted on the transportation rail, a transportation mechanism body mounted on the moving module, and a robot arm mounted on the transportation mechanism body, wherein the transportation rail is parallel to the spraying rail, the moving module is slidably connected to the transportation rail, and the robot arm is used for holding the electrode.
7. The apparatus for producing a carbon nanotube wire according to claim 1, wherein a heater is installed in the mount.
8. The apparatus for producing a carbon nanotube wire according to claim 1, wherein a detector is installed in a middle portion of the parallel guide rail.
9. The apparatus for manufacturing a carbon nanotube wire according to any one of claims 1 to 8, further comprising an electrode supplementing mechanism, wherein the electrode supplementing mechanism is installed at one side of the holding mechanism.
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| JP3395550B2 (en) * | 1996-11-22 | 2003-04-14 | 矢崎総業株式会社 | Pressure welding apparatus and harness manufacturing method |
| CN101723350B (en) * | 2008-10-29 | 2011-11-16 | 中国科学院苏州纳米技术与纳米仿生研究所 | Surface modifying method of carbon nanotube fibers |
| CN101964229B (en) * | 2009-07-21 | 2012-05-30 | 清华大学 | Carbon nano tube stranded wire and preparation method thereof |
| CN102092702B (en) * | 2009-12-11 | 2012-12-19 | 北京富纳特创新科技有限公司 | Method for preparing carbon nanotube structure |
| CN101913130B (en) * | 2010-08-25 | 2012-10-10 | 清华大学 | Electrically-actuated clamp holder |
| CN101976594A (en) * | 2010-08-31 | 2011-02-16 | 中国科学院苏州纳米技术与纳米仿生研究所 | Composite conductor application of carbon nano tube fiber and preparation method thereof |
| JP6059089B2 (en) * | 2013-06-07 | 2017-01-11 | 株式会社フジクラ | Carbon nanofiber aggregate manufacturing method and manufacturing apparatus, and conductive wire manufacturing method and manufacturing apparatus |
| JP6649100B2 (en) * | 2016-02-04 | 2020-02-19 | 日立造船株式会社 | Method for producing CNT laminate and method for producing carbon nanotube twisted yarn |
| CN106737290A (en) * | 2016-12-26 | 2017-05-31 | 中国科学院物理研究所 | A kind of rotatable clamp |
| CN107248433B (en) * | 2017-07-13 | 2019-03-22 | 洛阳大元电缆有限公司 | A kind of cable core production line |
| CN207856936U (en) * | 2017-12-25 | 2018-09-14 | 岐北通用净水技术（厦门）有限公司 | A kind of carbon-point former |
| CN108538427B (en) * | 2018-03-30 | 2020-02-11 | 东北大学 | Overhead wire with surface coated with anti-ice and anti-snow carbon layer and preparation method thereof |
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