CN211390147U - Composite carbon fiber wire material increase device based on joule heat - Google Patents
Composite carbon fiber wire material increase device based on joule heat Download PDFInfo
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- CN211390147U CN211390147U CN201922249866.7U CN201922249866U CN211390147U CN 211390147 U CN211390147 U CN 211390147U CN 201922249866 U CN201922249866 U CN 201922249866U CN 211390147 U CN211390147 U CN 211390147U
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- wire
- carbon fiber
- wire feeding
- joule heat
- composite carbon
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Abstract
The utility model discloses a composite carbon fiber wire material feeding device based on joule heat, which comprises a composite carbon fiber wire material forming structure consisting of a joule heat power supply, a wire feeder, a conductive nozzle and a conductive substrate, wherein the conductive nozzle is arranged at the wire outlet end of the wire feeder and is connected with the positive pole of a joule heat power supply, so that the composite carbon fiber wire material is electrified when being sent out from the wire feeder through the conductive nozzle; then set up on the motion platform and connect in joule heat power supply negative pole and connect electrically conductive substrate, the joule heat that utilizes the electric current that flows in the silk material to produce makes the carbon fiber silk material in the short time rapid heating up with the thermosetting resin melting of inlaying in the silk material then the cooling deposit on the substrate, the realization electric energy conversion is the heat energy that the carbon fiber heating up melts thermosetting resin needs, the electric energy direct utilization need not middle multiple conversion, can realize high utilization, high quality, low cost, the carbon fiber part additive manufacturing of green, the device simple structure, high manufacturing efficiency, good stability.
Description
Technical Field
The utility model relates to a composite carbon fiber material vibration material disk field, concretely relates to composite carbon fiber silk material vibration material disk device based on joule heat.
Background
Additive Manufacturing (AM) is a technology for manufacturing a solid part by using a CAD/CAM design and a layer-by-layer accumulation method, and is a manufacturing technology of material accumulation compared with a conventional material reduction manufacturing (machining) technology. The additive manufacturing technology is commonly called 3D printing technology, is an advanced manufacturing technology which is rapidly developed in nearly 30 years, has the advantages of rapid and free manufacturing of a three-dimensional structure, and is widely applied to new product development and single-piece small-batch manufacturing. To date, most additive manufacturing processes utilize polymeric materials that are melted layer-by-layer into a specified pattern to form a 3D object.
As an anisotropic material, compared with a metal alloy material, the carbon fiber composite material has the advantages of high specific strength, high specific modulus, strong designability, multifunctional fusion and the like, and is widely applied to the fields of aerospace, automobiles, ships, wind power generation and the like. With the development of new composite material manufacturing technology, the mechanical-electrical-thermal integrated function control continuous fiber composite material with rigidity, heat conduction, electromagnetism and other properties has become an urgent need in the fields of aerospace, ships and the like.
Additive manufacturing of carbon fiber composites has gained attention in some areas of industrial applications. Because the carbon fiber composite material has great research and application potential, the process barrier and the difficulty of the existing equipment are analyzed from the aspects of improving the printing efficiency, the success rate of the finished piece, the precision of the finished piece and the like, so that the development and the research of a new device and a new process are more significant.
The additive manufacturing technology using the carbon fiber composite material as the printing wire material has more factors influencing the printing result, so certain defects exist, and the specific conditions are as follows: the existing composite carbon fiber material 3D printing equipment adopts a carbon fiber and thermosetting plastic double-printing nozzle, and the printing structure is complex; the printing wire is heated by using heat conduction modes such as resistance wire heating, heating block heating and the like, and the printing mode has the advantages of lower heat utilization efficiency, large energy loss and high cost. And the 3D printing process of the composite carbon fiber material in the prior art has the problems of low manufacturing efficiency, poor manufacturing stability and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compound carbon fiber silk material vibration material disk device based on joule heat to overcome current print structure complicacy, print the problem of inefficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a composite carbon fiber wire material additive device based on Joule heat comprises a Joule heat power supply, a wire feeder, a contact tip and a conductive substrate, wherein the contact tip is fixed at a wire outlet end of the wire feeder, and a composite carbon fiber wire material is sent out from the wire feeder through the contact tip; the positive pole of joule thermoelectric source is connected in the contact tip, and the negative pole of joule thermoelectric source connects electrically conductive substrate, and electrically conductive substrate is fixed in on the motion platform.
Furthermore, the composite carbon fiber wire comprises thermosetting plastic and a carbon fiber composite layer coated on the outer side of the thermosetting plastic.
Further, the positive electrode of the joule heating power source is connected to the conductive substrate through the connection lug.
Furthermore, the wire feeder comprises a wire feeding rack, a wire feeding driven wheel and a wire feeding driving wheel, a wire feeding hole is formed in the wire feeding rack, the wire feeding driven wheel and the wire feeding driving wheel are arranged at the lower end of the wire feeding rack, the wire feeding driven wheel and one side of the wire feeding driving wheel are meshed, and the meshing surface of the wire feeding driven wheel and the wire feeding driving wheel is located at the lower end of the wire feeding hole of the wire feeding rack.
Furthermore, the wire feeding driven wheel and the wire feeding driving wheel both adopt insulating rubber wheels.
Furthermore, the contact tube is fixed at the lower end of the contact tube mounting rack, a wire feeding hole is arranged at the upper end of the contact tube mounting rack, and the wire feeding hole of the contact tube mounting rack is positioned at the lower ends of the wire feeding driven wheel and the wire feeding driving wheel.
Furthermore, be equipped with the screw thread through-hole on the contact tube mounting bracket, be equipped with the external screw thread on the contact tube, pass through threaded connection with the contact tube mounting bracket, be equipped with the wiring nose between contact tube and the contact tube mounting bracket.
Furthermore, the conductive nozzle mounting rack is fixed on the wire feeding rack through a height adjusting rack.
Furthermore, adjusting screw one end and contact tube mounting bracket fixed connection are equipped with the through-hole on the height-adjusting bracket, and the adjusting screw other end passes through the through-hole on the height-adjusting bracket and passes through adjusting nut fixed, and the cover is equipped with the pressure spring on the adjusting screw, and the pressure spring is located between contact tube mounting bracket and the silk frame of sending.
Furthermore, the output end of the joule heating power supply is provided with a parallel resistor; the resistance value of the parallel resistor is larger than the contact resistance when the carbon fiber wire is conducted with the substrate, and is smaller than the breakdown resistance of gas between the contact tip and the substrate.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model relates to a composite carbon fiber wire material increase device based on joule heat, based on the manufacturing of joule heat softening accumulation molding carbon fiber composite material, constitute composite carbon fiber wire material shaping structure through joule heating power supply, wire feeder, contact tip and conductive substrate, through set up the contact tip at the wire outlet end of wire feeder, the contact tip is connected with joule heating power supply positive pole, makes the composite carbon fiber wire material circular telegram when sending out from the wire feeder through the contact tip with the composite carbon fiber wire material; then set up on the motion platform and connect in joule heat power supply negative pole and connect electrically conductive substrate, the joule heat that utilizes the electric current that flows in the silk material to produce makes the carbon fiber silk material in the short time rapid heating up with the thermosetting resin melting of inlaying in the silk material then the cooling deposit on the substrate, the realization electric energy conversion is the heat energy that the carbon fiber heating up melts thermosetting resin needs, the electric energy direct utilization need not middle multiple conversion, can realize high utilization, high quality, low cost, the carbon fiber part additive manufacturing of green, the device simple structure, high manufacturing efficiency, good stability.
Furthermore, the composite carbon fiber wire comprises thermosetting plastic and a carbon fiber composite layer coated on the outer side of the thermosetting plastic, and one carbon fiber wire is adopted, so that the wire feeding structure is simplified, and the efficiency of converting electric energy into heat energy required by heating and melting thermosetting resin by carbon fiber is improved.
Further, send a machine including sending a frame, sending a driving wheel and sending a action wheel, send to be equipped with into a silk hole in the frame, send a driving wheel and send a action wheel to set up in sending a frame lower extreme from the driving wheel, send a mesh from driving wheel and send a action wheel one side meshing, send a mesh surface that is located the silk hole lower extreme that advances of sending a frame from the driving wheel and sending a action wheel, simple structure, simple to operate.
Furthermore, the wire feeding driven wheel and the wire feeding driving wheel both adopt insulating rubber wheels, so that the extrusion deformation of the composite carbon fiber wire in the wire feeding process is prevented.
Furthermore, the contact tube mounting rack is fixed on the wire feeding rack through the height adjusting rack, so that the height of the contact tube can be conveniently adjusted, and the contact tube mounting rack is suitable for wires with different wire diameters.
Furthermore, the output end of the joule heating power supply is provided with a parallel resistor; the resistance value of the parallel resistor is greater than the contact resistance when the carbon fiber wire is conducted with the substrate, and is less than the breakdown resistance of gas between the contact tip and the substrate, so that electric arcs at the bottom end of the composite carbon fiber wire are eliminated, the phenomenon that the wire is unstable in printing is avoided, and the forming appearance of the wire is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of the present invention.
Wherein, 1, joule heating power supply; 2. a wire feeder; 3. a contact tip; 4. a conductive substrate; 5. a wire feeding frame; 6. a wire feeding driven wheel; 7. a wire feeding driving wheel; 8. a wire inlet hole; 9. a contact tube mounting rack; 10. a wire feeding hole; 11. a wiring lug; 12. a height adjusting bracket; 13. adjusting the screw rod; 14. a pressure spring; 15. a composite carbon fiber wire.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
as shown in fig. 1 and 2, a joule heat-based composite carbon fiber wire material additive device includes a joule heat power source 1, a wire feeder 2, a contact tip 3 and a conductive substrate 4, wherein the contact tip 3 is fixed at a wire outlet end of the wire feeder 2, and a wire is sent out from the wire feeder 2 through the contact tip 3; the positive pole of joule thermoelectric power supply 1 is connected in contact tip 3, and joule thermoelectric power supply 1's negative pole connects electrically conductive substrate 4, and electrically conductive substrate 4 is fixed in on the motion platform, compound carbon fiber silk material 15 includes thermosetting plastic and the carbon fiber composite bed of cladding in the thermosetting plastic outside.
The positive electrode of the joule heating power source 1 is connected to the conductive substrate 4 through the terminal lug 11.
The wire feeder 2 comprises a wire feeding rack 5, a wire feeding driven wheel 6 and a wire feeding driving wheel 7, wherein a wire inlet hole 8 is formed in the wire feeding rack 5, the wire feeding driven wheel 6 and the wire feeding driving wheel 7 are arranged at the lower end of the wire feeding rack 5, one side of the wire feeding driven wheel 6 is meshed with one side of the wire feeding driving wheel 7, and the meshing surface of the wire feeding driven wheel 6 and the wire feeding driving wheel 7 is positioned at the lower end of the wire inlet hole 8 of the; the wire feeding driven wheel 6 and the wire feeding driving wheel 7 both adopt insulating rubber wheels to prevent the composite carbon fiber wire from being extruded and deformed in the wire feeding process.
The contact tube mounting rack 9 is fixed on the wire feeding rack 5 through a height adjusting rack 12, and the height of the contact tube mounting rack 9 is adjustable; the height adjusting frame 12 comprises an adjusting screw rod 13, one end of the adjusting screw rod 13 is fixedly connected with the conductive nozzle mounting frame 9, a through hole is formed in the height adjusting frame 12, the other end of the adjusting screw rod 13 penetrates through the through hole in the height adjusting frame 12 to be fixed through an adjusting nut, a pressure spring 14 is sleeved on the adjusting screw rod 13, and the pressure spring 14 is located between the conductive nozzle mounting frame 9 and the wire feeding rack 5.
The output end of the joule heating power supply 1 is provided with a parallel resistor; the resistance value of the parallel resistor is larger than the contact resistance when the carbon fiber wire is conducted with the substrate, and is smaller than the breakdown resistance of gas between the contact tip and the substrate.
The structure principle and the using steps of the present invention are further explained with the attached drawings as follows:
in the printing process, the power load resistor is a composite carbon fiber wire to be printed, one end of the composite carbon fiber wire is in contact with the substrate, and the other end of the composite carbon fiber wire is in contact with the connection part of the contact tip wire nose, so that a closed loop is formed. In order to reduce heat loss under the condition of meeting the flow guiding, the resistance value of the parallel resistor is larger than the contact resistance of the carbon fiber wire material when the carbon fiber wire material is communicated with the substrate and is smaller than the breakdown resistance of gas between the contact nozzle and the substrate, so that the generation of electric arcs at the contact point of the wire material and the substrate is avoided.
The application is based on the manufacture of carbon fiber composite materials by Joule heat softening and stacking molding, utilizes Joule heat generated by current flowing in wires to rapidly heat the carbon fiber wires in a short time to melt thermosetting resin embedded in the wires and then cool and deposit on a substrate, because the carbon fibers and the heated thermosetting plastic have good adhesion property, the carbon fibers are adhered to the workbench, therefore, the carbon fiber composite material additive manufacturing method can be continuously pulled out from the wire roller along with the movement of the three-dimensional moving platform, the electric energy is converted into the heat energy required by the carbon fiber for heating and melting the thermosetting resin, the electric energy is directly utilized without intermediate conversion for multiple times, the carbon fiber part additive manufacturing with high utilization rate, high quality, low cost and environmental protection can be realized, and the carbon fiber composite material additive manufacturing method integrates the material, the machinery, the measurement and control technology and the information processing.
This application is compound carbon fiber silk material vibration material disk device based on joule heat, the electric energy direct conversion is heat energy, and the energy need not the multiple conversion, and energy utilization efficiency is the highest, realizes printing apparatus low-power consumption. Simple structure, miniaturization and low cost.
At joule heat power 1 output parallel resistance, when some external reasons lead to silk material and base plate separation, when output line appears the short circuit promptly, because parallel resistance has made the route for the electric current to eliminate the electric arc of compound carbon fiber silk material bottom, avoided the silk material to print the emergence of unstable phenomenon, in order to guarantee the shaping looks of silk material.
According to the wire materials with different wire diameters, the Joule thermal power supply 1 adopts a direct current, alternating current or pulse power supply, and can also be set in a voltage source or current source mode. The carbon fiber composite material is in contact with the substrate to cause short circuit, so that joule heat is generated to heat thermosetting resin in the carbon fiber wire, the height of the contact tip is adjustable within 1-20mm, the resistance of the carbon fiber composite material shows violent nonlinear change along with the change of temperature and the contact area of the carbon fiber composite material and the substrate in the softening process, and the tracking and matching of the load can be realized according to the change of current and voltage of control software. The temperature in the melting process forms closed-loop control power output through non-contact temperature measuring equipment such as an infrared thermometer or an infrared imager and the like, and local temperature control of a printing area is realized.
The filament passes through the wire feeder, and then is moved downward by the friction generated by the wire feed driven wheel 6 and the wire feed driving wheel 7, and is delivered into the contact tip and contacts the substrate. This application send a machine to adopt three-dimensional control platform control, under three-dimensional motion platform, send a machine, joule heating power's collaborative work, realize that the material adds up the pile-up shaping layer by layer, both realized carbon borer fibre combined material's vibration material disk.
Claims (10)
1. A composite carbon fiber wire material additive device based on Joule heat is characterized by comprising a Joule heat power source (1), a wire feeder (2), a conductive nozzle (3) and a conductive substrate (4), wherein the conductive nozzle (3) is fixed at the wire outlet end of the wire feeder (2), and a composite carbon fiber wire material (15) is sent out from the wire feeder (2) through the conductive nozzle (3); the positive pole of joule thermoelectric source (1) is connected in contact tip (3), and the negative pole of joule thermoelectric source (1) connects electrically conductive substrate (4), and electrically conductive substrate (4) are fixed in on the motion platform.
2. The joule heat based composite carbon fiber wire additive device according to claim 1, wherein the composite carbon fiber wire (15) comprises a thermosetting plastic and a carbon fiber composite layer coated on the outer side of the thermosetting plastic.
3. The joule heat based composite carbon fiber wire additive device according to claim 1, wherein the positive electrode of the joule heat power source (1) is connected to the conductive substrate (4) through the wiring lug (11).
4. The composite carbon fiber wire material increasing device based on joule heat according to claim 3, characterized in that the wire feeder (2) comprises a wire feeding frame (5), a wire feeding driven wheel (6) and a wire feeding driving wheel (7), wherein a wire feeding hole (8) is formed in the wire feeding frame (5), the wire feeding driven wheel (6) and the wire feeding driving wheel (7) are arranged at the lower end of the wire feeding frame (5), the wire feeding driven wheel (6) and one side of the wire feeding driving wheel (7) are meshed, and the meshing surface of the wire feeding driven wheel (6) and the wire feeding driving wheel (7) is located at the lower end of the wire feeding hole (8) of the wire feeding frame (5).
5. The joule heat based composite carbon fiber wire additive device according to claim 4, wherein the wire feeding driven wheel (6) and the wire feeding driving wheel (7) both adopt insulating rubber wheels.
6. The composite carbon fiber wire material additive device based on joule heat according to claim 4, wherein the contact tip (3) is fixed at the lower end of a contact tip mounting rack (9), a wire feeding hole (10) is formed in the upper end of the contact tip mounting rack (9), and the wire feeding hole (10) of the contact tip mounting rack (9) is located at the lower end of a wire feeding driven wheel (6) and a wire feeding driving wheel (7).
7. The composite carbon fiber wire material additive device based on joule heat according to claim 6, wherein a threaded through hole is formed in the contact tube mounting rack (9), an external thread is formed at the upper end of the contact tube (3), the contact tube (3) is in threaded connection with the contact tube mounting rack (9), and a wiring lug (11) is arranged between the contact tube (3) and the contact tube mounting rack (9).
8. The joule heat based composite carbon fiber wire additive device according to claim 6, wherein the contact tip mounting rack (9) is fixed on the wire feeding rack (5) through a height adjusting rack (12).
9. The composite carbon fiber wire material increasing device based on joule heat according to claim 8, wherein one end of an adjusting screw (13) is fixedly connected with the conductive nozzle mounting frame (9), a through hole is formed in the height adjusting frame (12), the other end of the adjusting screw (13) penetrates through the through hole in the height adjusting frame (12) and is fixed through an adjusting nut, a pressure spring (14) is sleeved on the adjusting screw (13), and the pressure spring (14) is located between the conductive nozzle mounting frame (9) and the wire feeding rack (5).
10. The joule heat based composite carbon fiber wire additive device according to claim 1, wherein a parallel resistor is arranged at an output end of the joule heat power source (1); the resistance value of the parallel resistor is larger than the contact resistance when the carbon fiber wire is conducted with the substrate, and is smaller than the breakdown resistance of gas between the contact tip and the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922249866.7U CN211390147U (en) | 2019-12-14 | 2019-12-14 | Composite carbon fiber wire material increase device based on joule heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922249866.7U CN211390147U (en) | 2019-12-14 | 2019-12-14 | Composite carbon fiber wire material increase device based on joule heat |
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| Publication Number | Publication Date |
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| CN211390147U true CN211390147U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922249866.7U Expired - Fee Related CN211390147U (en) | 2019-12-14 | 2019-12-14 | Composite carbon fiber wire material increase device based on joule heat |
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| CN (1) | CN211390147U (en) |
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- 2019-12-14 CN CN201922249866.7U patent/CN211390147U/en not_active Expired - Fee Related
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Granted publication date: 20200901 Termination date: 20211214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |