CN220242416U - Spray nozzle structure for improving wettability of continuous fiber composite material - Google Patents
Spray nozzle structure for improving wettability of continuous fiber composite material Download PDFInfo
- Publication number
- CN220242416U CN220242416U CN202322166873.7U CN202322166873U CN220242416U CN 220242416 U CN220242416 U CN 220242416U CN 202322166873 U CN202322166873 U CN 202322166873U CN 220242416 U CN220242416 U CN 220242416U
- Authority
- CN
- China
- Prior art keywords
- spray head
- continuous fiber
- main body
- sleeve
- composite material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007921 spray Substances 0.000 title claims abstract description 50
- 239000000835 fiber Substances 0.000 title claims abstract description 44
- 239000002131 composite material Substances 0.000 title claims abstract description 19
- 239000011347 resin Substances 0.000 claims abstract description 25
- 229920005989 resin Polymers 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 230000008595 infiltration Effects 0.000 claims abstract description 10
- 238000001764 infiltration Methods 0.000 claims abstract description 10
- 239000011800 void material Substances 0.000 abstract description 3
- 238000007639 printing Methods 0.000 description 7
- 239000004809 Teflon Substances 0.000 description 4
- 229920006362 Teflon® Polymers 0.000 description 4
- 238000010146 3D printing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 210000005239 tubule Anatomy 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000011157 advanced composite material Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
The utility model discloses a spray head structure for improving the wettability of a continuous fiber composite material, which comprises a spray head main body, wherein the bottom of the spray head main body is connected with a spray nozzle, and the top of the spray head main body is connected with a spray head cover plate; a sleeve is arranged in the spray head main body, and a plurality of infiltration holes are uniformly distributed on the side wall of the sleeve; the screw is arranged in the sleeve, and the sleeve with the hole and the screw form interference fit; the side wall of the nozzle body is provided with a resin feeding hole, a temperature sensor socket, a heating rod socket and a pressure sensor socket. The continuous fiber infiltration of the molten resin can be greatly improved, the compactness of the composite material forming part is improved, and the void ratio is reduced.
Description
Technical Field
The utility model relates to the technical field of 3D printing, in particular to a spray head structure for improving the wettability of a continuous fiber composite material.
Background
3D printing (3 DP), a type of rapid prototyping technology, also known as additive manufacturing, is a technology that builds objects by means of layer-by-layer printing, using bondable materials such as powdered metal or plastic, based on digital model files. Continuous fiber composites (CFRPCs) are receiving great attention in lightweight, high performance structural design as typical representatives of advanced composites with high specific strength, high specific modulus, design flexibility, etc.
The existing 3D printing continuous fiber composite material spray head structure basically adopts a traditional resin material fused deposition printing mode, and the structure is not beneficial to the infiltration of fused resin in the spray head into continuous fibers.
Disclosure of Invention
Aiming at the prior art, the utility model aims to provide a spray head structure for improving the wettability of a continuous fiber composite material, which can greatly improve the wettability of molten resin on the continuous fiber, improve the compactness of a composite material forming part and reduce the void ratio.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a spray head structure for improving the wettability of a continuous fiber composite material, which comprises a spray head main body, wherein the bottom of the spray head main body is connected with a spray nozzle, and the top of the spray head main body is connected with a spray head cover plate; a sleeve is arranged in the spray head main body, and a plurality of infiltration holes are uniformly distributed on the side wall of the sleeve; a screw is arranged in the sleeve, and the sleeve and the screw form interference fit; the side wall of the nozzle body is provided with a resin feeding hole, a temperature sensor socket, a heating rod socket and a pressure sensor socket.
The sleeve with the holes forms interference fit with the screw, so that on one hand, the infiltration of resin to the fibers is ensured, and on the other hand, the spreading state of the continuous fiber bundles on the surface of the screw is ensured. In order to enable the printing spray head to be easily detached, the upper part of the spray head is designed to be in a detachable mode, and the spray head cover plate is fixed above the spray head main body through screws.
Preferably, a heat sink is further arranged at the top of the nozzle body, and the heat sink is located below the nozzle cover plate. In order to prevent damage to other parts caused by overheating of the surface of the nozzle main body, the temperature is radiated through the radiating fins.
Preferably, the temperature sensor socket is connected to a temperature sensor. The temperature sensor is installed at the position of the temperature sensor socket, so that the temperature inside the spray head can be monitored in real time, and closed-loop control of the temperature is formed with the heating rod.
Preferably, the heating rod socket is connected with the heating rod.
Preferably, the pressure sensor is connected to the pressure sensor. The small pressure sensor is arranged at the socket position of the pressure sensor, so that the pressure of molten resin in the spray head can be monitored, and closed-loop control is formed with the resin feeding amount.
The continuous fiber bundles are wound at the fiber roller and inserted into the Teflon thin tube in advance, enter the screw through the upper end of the screw, rotate downwards along the concave part of the screw until the continuous fiber bundles leak out of the nozzle, then the Teflon tube can be pulled out, at the moment, the continuous fiber bundles are rotated and spread on the surface of the concave part of the screw, the sleeve with holes can prevent the continuous fiber bundles from falling off, and the process completes the feeding of the continuous fiber bundles.
In the printing process, the heating rod at the socket of the heating rod can enable the nozzle body to be integrally heated, filaments on the resin roller can enter the cavity of the nozzle through the resin feeding hole under the drive of the motor, the continuous fiber bundles which are rotationally spread along the screw rod are soaked through the sleeve with the holes, and finally, the continuous fiber bundles soaked by the molten resin work on the printing bottom plate through the nozzle according to a preset track to form a continuous fiber composite material piece. The continuous fibers are not limited to continuous carbon fibers, continuous glass fibers, and the like. The above resin is not limited to PLA, ABS, PA and the like.
The utility model has the beneficial effects that:
according to the utility model, the screw and the sleeve with the holes are arranged in the nozzle main body, so that the infiltration of resin to fibers is ensured on one hand, and the continuous fiber bundles are ensured to be in a spreading state on the surface of the screw on the other hand, the infiltration of the molten resin to the continuous fibers can be greatly improved, the compactness of a composite material formed part is improved, and the void ratio is reduced.
Drawings
Fig. 1: the structure of the utility model is schematically shown;
fig. 2: the structure of the spray head main body is schematically shown;
fig. 3: the sleeve and the screw rod are structurally schematic;
fig. 4: the working schematic diagram of the utility model;
the figure shows: 1. a head main body; 2. a nozzle; 3. a heat sink; 4. screw fixing seat; 5. a sleeve; 6. a screw; 7. filaments; 8. a resin roller; 9. a continuous fiber bundle; 10. a fiber roller; 11. a resin feed hole; 12. a temperature sensor socket; 13. a shower nozzle cover plate; 14. a heating rod socket; 15. a pressure sensor socket; 16. and infiltrating the hole.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. 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 application belongs.
In order to enable those skilled in the art to more clearly understand the technical solutions of the present application, the technical solutions of the present application will be described in detail below with reference to specific embodiments.
The test materials used in the examples of the present utility model are all conventional in the art and are commercially available.
Examples
The spray head structure for improving the wettability of the continuous fiber composite material comprises a spray head main body 1, wherein the bottom of the spray head main body 1 is connected with a spray nozzle 2, and the top of the spray head main body 1 is connected with a spray head cover plate 13 through screws, so that the spray head and a 3D printer are easy to detach; the top of the nozzle main body 1 is also provided with a radiating fin 3, the radiating fin 3 is positioned below the nozzle cover plate 13, and the radiating fin 3 is sleeved on the outer wall of the nozzle main body 1; in order to prevent damage to other parts due to overheating of the surface of the head main body 1, heat is radiated by the heat radiation fin 3.
A sleeve 5 is arranged in the spray head main body 1, and a plurality of infiltration holes 16 are uniformly distributed on the side wall of the sleeve 5; a screw rod 6 is arranged in the sleeve 5, and the sleeve 5 with holes and the screw rod 6 form interference fit; the sleeve 5 with holes forms an interference fit with the screw 6, ensuring on the one hand the infiltration of the resin on the fibres and on the other hand the spreading of the continuous fibre bundle 9 on the surface of the screw 6.
A resin feeding hole 11, a temperature sensor socket 12, a heating rod socket 14 and a pressure sensor socket 15 are arranged on the side wall of the nozzle body 1; the temperature sensor socket 12 is connected with a temperature sensor, and can monitor the temperature inside the spray head in real time and form closed-loop control of the temperature with the heating rod. The heating rod jack 14 is connected with a heating rod; the pressure sensor is connected with the pressure sensor, can monitor the pressure of the molten resin in the spray head, and forms closed-loop control with the resin feeding amount.
Working principle: the continuous fiber bundle 9 is wound around the fiber roll 10 and inserted into the teflon tubule in advance, enters the inside of the screw 6 through the upper end of the screw 6, rotates downward along the concave portion of the screw 6 until the continuous fiber bundle 9 leaks out of the nozzle 2, and then the teflon tubule can be drawn out, at which time the continuous fiber bundle 9 rotates to spread on the surface of the concave portion of the screw 6, and the perforated sleeve 5 prevents the continuous fiber bundle 9 from falling off, which completes the feeding of the continuous fiber bundle 9.
In the printing process, the heating rod at the heating rod socket 14 can heat the whole nozzle body 1, filaments 7 on the resin roller 8 can enter the nozzle cavity through the resin feeding holes 11 under the drive of the motor, the continuous fiber bundles 9 which are rotationally spread along the screw rod 6 are infiltrated through the sleeve 5 with holes, and finally, the continuous fiber bundles 9 infiltrated by the molten resin work on a printing bottom plate through the nozzle 2 according to a preset track to form a continuous fiber composite material.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (5)
1. The spray head structure for improving the wettability of the continuous fiber composite material is characterized by comprising a spray head main body, wherein the bottom of the spray head main body is connected with a spray nozzle, and the top of the spray head main body is connected with a spray head cover plate; a sleeve is arranged in the spray head main body, and a plurality of infiltration holes are uniformly distributed on the side wall of the sleeve; a screw is arranged in the sleeve, and the sleeve and the screw form interference fit; the side wall of the nozzle body is provided with a resin feeding hole, a temperature sensor socket, a heating rod socket and a pressure sensor socket.
2. The spray head structure for improving wettability of continuous fiber composite material according to claim 1, wherein the top of the spray head main body is further provided with a heat sink, and the heat sink is located below the spray head cover plate.
3. The spray head structure for improving wettability of a continuous fiber composite material of claim 1, wherein the temperature sensor socket is connected with a temperature sensor.
4. The spray head structure for improving wettability of a continuous fiber composite material of claim 1, wherein the heating rod socket is connected to the heating rod.
5. The spray head structure for improving wettability of a continuous fiber composite material according to claim 1, wherein the pressure sensor is connected to the pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322166873.7U CN220242416U (en) | 2023-08-11 | 2023-08-11 | Spray nozzle structure for improving wettability of continuous fiber composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322166873.7U CN220242416U (en) | 2023-08-11 | 2023-08-11 | Spray nozzle structure for improving wettability of continuous fiber composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220242416U true CN220242416U (en) | 2023-12-26 |
Family
ID=89270582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322166873.7U Active CN220242416U (en) | 2023-08-11 | 2023-08-11 | Spray nozzle structure for improving wettability of continuous fiber composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220242416U (en) |
-
2023
- 2023-08-11 CN CN202322166873.7U patent/CN220242416U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018157841A1 (en) | Additive manufacturing method for interlayer-strengthened continuous fibre composite material | |
| US10195784B2 (en) | Systems for additively manufacturing composite parts | |
| US10183479B2 (en) | Methods for additively manufacturing composite parts | |
| Zhao et al. | An overview of research on FDM 3D printing process of continuous fiber reinforced composites | |
| US11618207B2 (en) | Systems and methods for printing 3-dimensional objects from thermoplastics | |
| CN109176962A (en) | A kind of pre-dispersed and surface treatment continuous fiber reinforced thermoplastic resin base impregnates the moulding integrated device of band and its forming method | |
| CN106863772A (en) | Double shower nozzle 3D printing system and method for thermoplastic resin base continuous fibers prepreg | |
| CN109890587B (en) | Method for producing fiber-reinforced plastic molded article | |
| CN110435132B (en) | 3D printer of continuous fiber reinforced composite material and printing method thereof | |
| CN108372667A (en) | A kind of fibre reinforced composites twine molded technique and device | |
| CN105178878A (en) | Fiber-reinforced composite coiled sucker rod and production apparatus and method thereof | |
| CN110328843B (en) | Ultrasonic-assisted impregnated composite material 3D printing device | |
| CN110077013A (en) | Continue the composite material and its method of fibre three-dimensional braiding manufacture using preimpregnation glue connection | |
| CN220242416U (en) | Spray nozzle structure for improving wettability of continuous fiber composite material | |
| CN108383372A (en) | The processing technology of optical fiber | |
| CN103075112A (en) | Fibre reinforced composite anti-eccentric coiled rod as well as preparation device and preparation method thereof | |
| CN106182816A (en) | Pultrusion is wound around composite molding laser curing and prepares composite material hollow section bar | |
| CN113862773B (en) | Long-life guide cylinder and preparation method thereof | |
| CN110042583A (en) | A kind of carbon fiber laser graphite device for sizing and method | |
| CN214419651U (en) | Plasma-assisted laser in-situ forming fiber laying head | |
| CN207496041U (en) | One kind is used for the molding mold of composite material | |
| CN106903466B (en) | Apparatus for shaping and technique in a kind of welded still pipe weld seam | |
| CN207537611U (en) | A kind of carbon fibre carbonizing and prepreg assembly line | |
| CN206368222U (en) | Carbon fibre manufacturing equipment | |
| CN214082862U (en) | Accurate temperature control 3D beats printer head suitable for high temperature thermoplasticity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |