CN116690970A - Novel 3D printing double-head collaborative printing device for large-tow continuous fiber composite - Google Patents
Novel 3D printing double-head collaborative printing device for large-tow continuous fiber composite Download PDFInfo
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- CN116690970A CN116690970A CN202310571465.1A CN202310571465A CN116690970A CN 116690970 A CN116690970 A CN 116690970A CN 202310571465 A CN202310571465 A CN 202310571465A CN 116690970 A CN116690970 A CN 116690970A
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- 230000007246 mechanism Effects 0.000 claims abstract description 25
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/165—Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
- B29C64/232—Driving means for motion along the axis orthogonal to the plane of a layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
- B29C64/236—Driving means for motion in a direction within the plane of a layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/245—Platforms or substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/295—Heating elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
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Abstract
The invention provides a novel 3D printing head for a large-tow continuous fiber composite material, which comprises a novel 3D printing head for a large-tow continuous fiber composite material; the novel 3D printing head of the large-tow continuous fiber composite material comprises a printing head integral bracket, wherein the printing head integral bracket is provided with a pneumatic sliding block at the upper left side. The printer head is characterized in that a first steering engine is arranged on the right upper side of the integral support of the printer head, a steering engine swing arm is arranged on the first steering engine and connected with a wire feeding mechanism mounting seat, a driven wire feeding wheel is arranged on the wire feeding mechanism mounting seat, a driving wire feeding wheel is arranged on the right side of the driven wire feeding wheel, the position of the wire feeding mechanism mounting seat is adjusted through rotation of the steering engine under control, the driven wire feeding wheel is driven to move relatively, and the distance between the driving wire feeding wheel and the driven wire feeding wheel is controlled. The invention changes the heating source for 3D forming of the composite material, and simultaneously, the novel 3D printing head of the large-tow continuous fiber composite material can form the large-tow continuous fiber composite material with the diameter of the prepreg filaments larger than 1.5mm, thereby improving the forming efficiency.
Description
Technical Field
The invention relates to the technical field of 3D printing of continuous fiber reinforced composite materials, in particular to a novel 3D printing double-head collaborative printing device for large-tow continuous fiber composite materials.
Background
Continuous fiber reinforced thermoplastic Composites (CFRTP) are composites prepared with continuous fibers as the reinforcing material and thermoplastic resins as the matrix. The continuous fiber reinforced thermoplastic composite material member has the advantages of light weight, high strength, excellent mechanical property and the like, is widely applied to various fields such as aerospace, national defense and military industry, transportation, energy and the like at present, and is continuously expanded to the civil field.
The 3D printing of the continuous fiber reinforced composite material is a novel additive manufacturing technology, and the continuous fiber reinforced composite material is formed by melt extrusion of continuous fiber prepreg filaments in a spray head and stacking layers by layers along with the movement of the 3D printing spray head to form an integral structure. Compared with the traditional composite material forming process, 3D printing has the advantages of no need of a die, low cost, integrated forming and the like, and along with the development of the continuous fiber reinforced composite material 3D printing technology, the manufacturing cost of the continuous fiber reinforced composite material is reduced, and the application field of the composite material is further expanded. However, the fuse manufacturing and forming (FFF) process used for 3D printing of continuous fibers has problems of low forming efficiency, high fiber damage, poor performance of the product, and the like.
Current continuous fiber reinforced composite 3D printheads are mostly based on FFF technology, where prepreg filaments are melted by a heated block and extruded through a printing nozzle. During extrusion, the fibers rub against the print nozzles causing damage to the plurality of fibers, resulting in a decrease in the strength of the final article. Meanwhile, the diameter of the prepreg filaments used for 3D printing of continuous fibers is mostly lower than 0.8mm, so that the forming efficiency of 3D printing is low, and compared with the traditional composite material forming process, in the 3D printing process, stable pressure is difficult to provide when layers are combined, and the bonding strength between the parts is poor. In order to further improve the forming efficiency and the workpiece performance of the 3D printing of the continuous fiber composite material, a novel printing forming process and a novel printing forming device are lacking at present, so that the printing forming of large-tow prepreg filaments is realized, the fiber abrasion generated in the printing process is reduced, the interlayer bonding performance of the workpiece is improved, and the effective application of the 3D printing technology of the continuous fiber composite material in the fields of aerospace, national defense and military industry, rail transit and the like is promoted.
Disclosure of Invention
In order to solve the problems, the invention discloses a novel 3D printing double-head collaborative printing device for large-tow continuous fiber composite materials, which changes a heating source for 3D forming of the composite materials, and simultaneously, the novel 3D printing head for the large-tow continuous fiber composite materials can form large-tow continuous fiber composite materials with the prepreg wire diameter of more than 1.5mm, so that the forming efficiency is improved.
The technical scheme adopted by the invention is as follows:
a novel 3D printing head of a large-tow continuous fiber composite material comprises a novel 3D printing head of a large-tow continuous fiber composite material; the novel 3D printing head of the large-tow continuous fiber composite material comprises a printing head integral support, wherein the upper left side of the printing head integral support is provided with a pneumatic sliding block, the pneumatic sliding block controls the up-and-down lifting of the whole printing head after ventilation, and the pressure applied during printing and forming is adjusted by controlling the air pressure.
Further, a first steering engine is installed on the upper right side of the integral support of the printing head, a steering engine swing arm is installed on the first steering engine, the steering engine swing arm is connected with a wire feeding mechanism installation seat, a driven wire feeding wheel is installed on the wire feeding mechanism installation seat, a driving wire feeding wheel is installed on the right side of the driven wire feeding wheel, the position of the wire feeding mechanism installation seat is adjusted through rotation of a steering engine in a controllable manner, the driven wire feeding wheel is driven to move relatively, and the distance between the driving wire feeding wheel and the driven wire feeding wheel is controlled.
Further, initiative wire feed wheel link to each other with step motor, when need send the silk action, the steering wheel swing arm on the first steering wheel anticlockwise rotates, drives wire feed mechanism mount pad motion, makes driven wire feed wheel and initiative wire feed wheel laminating, step motor enables to drive initiative wire feed wheel rotation this moment to with driven wire feed wheel cooperation drive preimpregnation silk accomplish and send the silk action, after the wire feed is accomplished, step motor stops enabling, steering wheel swing arm on the first steering wheel clockwise rotation simultaneously makes driven wire feed wheel and initiative wire feed wheel separation, preimpregnation silk is in free state this moment.
Further, the initiative wire feed wheel below install and cut silk mechanism mount pad, cut and install the second steering wheel on the silk mechanism mount pad, install the cutter on the second steering wheel, cut silk mechanism mount pad below and install the electric jar, install the initiative and stop the silk wheel on the electric jar, the initiative is stopped the silk wheel left side and is installed the driven and is stopped the silk wheel, when the action of cutting the silk is to be accomplished, in order to guarantee that the preimpregnation silk fracture is level and smooth, in order to do benefit to the further going on of printing, adopt the electric jar to promote initiative and stop silk wheel and the laminating of driven and stop silk wheel, make the preimpregnation silk be in the silk state of stopping, the second steering wheel enables this moment, drive the cutter rotatory, cut off the preimpregnation silk, after cutting the action, the cutter is driven to reset to the second steering wheel, the electric jar promotes initiative and ends silk wheel and separates with driven and stops silk wheel, accomplish and continue printing.
Further, a wire guide groove is arranged below the active wire stop wheel, a metal compaction roller is arranged on the left side of the wire guide groove, a laser heater is arranged below the wire guide groove, the position of a large-tow continuous fiber composite wire is adjusted in the wire guide groove to ensure that the wire tows are straight, the presoaked wire is conveyed below the metal compaction roller after passing through the wire guide groove, at the moment, the laser heater is started to enable the large-tow continuous fiber presoaked wire below the metal compaction roller to be melted and finish forming under the pressure provided by the metal compaction roller,
further, a pneumatic connector is arranged above the metal compacting roller, and in order to prevent the metal compacting roller from overheating in the printing process, the metal compacting roller is cooled in real time by blowing air into the pneumatic connector.
Further, in order to realize the collaborative printing of the continuous fiber prepreg filaments of the large tows and the small tows, a double-head collaborative printing device is designed, a first y-axis beam and a second y-axis beam are distributed and installed on the left side and the right side of a printer body, a first x-axis beam and a second x-axis beam are installed on the first y-axis beam and the second y-axis beam, a novel 3D printing head of the continuous fiber composite material of the large tows is installed on the first x-axis beam, a conventional continuous fiber printing head of the small tows is installed on the second x-axis beam, and a printing platform is installed below the first y-axis beam and the second y-axis beam 25.
The invention has the beneficial effects that:
1. the double-end collaborative printing device can carry out double-end collaborative printing according to the shape complexity degree of a printing workpiece in the 3D printing process, the printing precision is guaranteed at the position of a large curvature, the printing forming is carried out by adopting small-tow continuous fiber prepreg filaments, and the printing forming of the large-tow prepreg filaments is carried out by adopting a novel 3D printing head 19 of a large-tow continuous fiber composite material at the position of the small curvature, so that the forming efficiency of the composite material is improved.
2. The heating source for 3D forming of the composite material is changed, the traditional heating block melting mode is replaced by the laser heating mode, the printing nozzle is replaced by the compacting roller, so that the melted prepreg filaments are deposited on the printing platform, the fibers are not worn with the nozzle any more, controllable forming pressure is provided in the forming process, and the interlayer bonding strength of the workpiece is improved.
3. Meanwhile, the novel 3D printing head of the large-tow continuous fiber composite material can form the large-tow continuous fiber composite material with the diameter of the presoaked filament being larger than 1.5mm, and the forming efficiency is improved. On the premise of considering forming efficiency and forming precision, the double-head collaborative printing device is provided, a large-tow continuous fiber composite material printing head and a traditional small-tow printing head are adopted for collaborative printing, and the printing head is independently selected for filling forming according to the shape of a finished piece during 3D printing.
Drawings
FIG. 1, a schematic diagram of a dual cooperative architecture of the present invention;
FIG. 2 is a three-dimensional view of a novel 3D printhead of large tow continuous fiber composite;
fig. 3, 2 are front views;
list of reference numerals:
in the figure: the device comprises a stepping motor 1, a first steering engine 2, a steering engine swing arm 3, a wire feeding mechanism mounting seat 4, a driving wire feeding wheel 5, a second steering engine 6, a wire cutting mechanism mounting seat 7, an electric cylinder 8, a laser heater 9, a driving wire stopping wheel 10, a wire guiding groove 11, a metal compacting roller 12, a driven wire stopping wheel 13, a cutter 14, a printing head integral bracket 15, a pneumatic connector 16, a pneumatic slider 17 and a driven wire feeding wheel 18; the novel 3D printing head for the 19-big-tow continuous fiber composite material comprises a first x-axis beam, a second x-axis beam, a first y-axis beam, a 23 printer body, a 24-printing platform, a second y-axis beam and a 26-regular small-tow continuous fiber printing head.
Description of the embodiments
The present invention is further illustrated in the following drawings and detailed description, which are to be understood as being merely illustrative of the invention and not limiting the scope of the invention. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
As shown in fig. 1, in this embodiment, a first y-axis beam 22 and a second y-axis beam 25 are mounted on the left and right sides of a printer body 23, a first x-axis beam 20 and a second x-axis beam 21 are mounted on the first y-axis beam 22 and the second y-axis beam 25, a novel 3D printhead 19 of a large-tow continuous fiber composite material is mounted on the first x-axis beam 20, a conventional small-tow continuous fiber printhead 26 is mounted on the second x-axis beam 21, and a printing platform 24 is mounted below the first y-axis beam 22 and the second y-axis beam 25.
As shown in fig. 2 and 3, the novel 3D printhead 19 of the large-tow continuous fiber composite material comprises a printhead integral bracket 15, wherein a pneumatic slide block 17 is arranged at the upper left side of the printhead integral bracket, the pneumatic slide block controls the up-and-down lifting of the whole printhead after ventilation, and the pressure applied during printing and forming is adjusted by controlling the air pressure.
The upper right of the integral printing head bracket 15 is provided with a first steering engine 2, the first steering engine 2 is provided with a steering engine swing arm 3, the steering engine swing arm 3 is connected with a wire feeding mechanism mounting seat 4, the wire feeding mechanism mounting seat 4 is provided with a driven wire feeding wheel 18, the right side of the driven wire feeding wheel 18 is provided with a driving wire feeding wheel 5, the position of the wire feeding mechanism mounting seat 4 can be adjusted by controlling the steering engine to rotate, the driven wire feeding wheel 18 is driven to move relatively, and the distance between the driving wire feeding wheel 5 and the driven wire feeding wheel 18 is controlled; the driving wire feeding wheel 5 is connected with the stepping motor 1, when wire feeding is needed, the steering engine swing arm 3 on the first steering engine 2 rotates anticlockwise, the wire feeding mechanism installation seat 4 is driven to move, the driven wire feeding wheel 18 is attached to the driving wire feeding wheel 5, at the moment, the stepping motor 1 enables the driving wire feeding wheel 5 to rotate, and is matched with the driven wire feeding wheel 18 to drive the prepreg wire to finish the wire feeding, after wire feeding is finished, the stepping motor 1 stops enabling, and meanwhile the steering engine swing arm 3 on the first steering engine 2 rotates clockwise, so that the driven wire feeding wheel 18 is separated from the driving wire feeding wheel 5, and at the moment, the prepreg wire is in a free state.
The device comprises a driving wire feeding wheel 5, a wire cutting mechanism mounting seat 7, a second steering engine 6, a cutter 14, an electric cylinder 8, a driving wire stopping wheel 10, a driven wire stopping wheel 13, a driving wire stopping wheel 10 and a driven wire stopping wheel 13, wherein the wire cutting mechanism mounting seat 7 is arranged below the driving wire feeding wheel 5, the second steering engine 6 is arranged on the wire cutting mechanism mounting seat 7, the cutter 14 is arranged on the second steering engine 6, the electric cylinder 8 is provided with the driving wire stopping wheel 10, the driven wire stopping wheel 13 is arranged on the left side of the driving wire stopping wheel 10, when a wire cutting action is to be completed, in order to ensure that a prepreg wire fracture is smooth, the driving wire stopping wheel 10 is attached to the driven wire stopping wheel 13, the prepreg wire is in a wire stopping state, the cutter 14 is driven to rotate by adopting the electric cylinder 8, the prepreg wire is cut, the cutter 14 is driven to reset by the second steering engine 6 after the wire cutting action is completed, and the driving wire stopping wheel 10 is separated from the driven by the electric cylinder 8, and continuous printing is completed.
The guide groove 11 is arranged below the driving yarn stopping wheel 10, the metal compacting roller 12 is arranged on the left side of the guide groove 11, the laser heater 9 is arranged below the guide groove 11, the position of the large-tow continuous fiber composite yarn is adjusted in the guide groove, the yarn is ensured to be straight, the prepreg yarn is conveyed to the position below the metal compacting roller 12 after passing through the guide groove 11, and at the moment, the laser heater 9 is started, so that the large-tow continuous fiber prepreg yarn below the metal compacting roller 12 is melted and is formed under the pressure provided by the metal compacting roller 12.
The pneumatic connector 16 is installed above the metal compacting roller 12, and in order to prevent the metal compacting roller 12 from overheating in the printing process, the metal compacting roller 12 is cooled in real time by blowing air into the pneumatic connector 16.
A print head 26 mounts a print table 24 below the first y-axis beam 22 and the second y-axis beam 25.
The double-end collaborative printing device of this embodiment can carry out double-end collaborative printing according to the shape complexity of a printing workpiece in the 3D printing process, and in order to guarantee printing precision at a large curvature position, the printing forming is carried out by adopting small-tow continuous fiber prepreg filaments, and in a small curvature position, the printing forming of large-tow prepreg filaments is carried out by adopting a novel 3D printing head 19 of a large-tow continuous fiber composite material, so that the forming efficiency of the composite material is improved.
In the embodiment, the inner diameter of the yarn guiding groove 11 is 1.65mm, so that the printing forming of the large-tow continuous fiber composite yarn with the prepreg yarn diameter of 1.6mm can be realized, and the forming efficiency is improved by more than 4 times compared with the prepreg yarn with the diameter of 0.8mm commonly used at present.
In this embodiment, the prepreg wire is preheated in real time in the printing process in a laser heating mode, and compared with the traditional heating block, the thermal efficiency is higher, so that the forming of the high-temperature resin-based composite wire such as PPS, PEEK, PEKK can be realized, and the forming of the composite material with high printing speed can be realized due to high laser energy density.
In this embodiment, the surface of the metal compaction roller 12 is coated with a high temperature low surface tension coating to prevent the entrainment of resin material on the deposited wire during the print compaction process, avoiding uneven resin formation in the final composite member.
In this embodiment, the size of the printing platform 24 is 300mm×300mm, and a thermal resistance wire is fixed at the bottom of the printing platform 24, which can be used for heating the printing platform 21 to 150 ℃; the surface of the printing platform 24 is provided with the groove, the PT100 temperature sensor is embedded in the groove and used for monitoring the heating temperature of the surface of the printing platform in real time, meanwhile, the printing platform 24 is made of MIC6 aluminum alloy material, thermal deformation of the printing platform 24 after being heated is greatly reduced, and the level of the printing platform is guaranteed.
The technical means disclosed by the scheme of the invention is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features.
Claims (6)
1. Novel 3D of big tow continuous fiber composite prints double-end and prints device in coordination, its characterized in that: comprises a novel 3D printing head (19) of a large-tow continuous fiber composite material; wherein: the novel 3D printing head (19) comprises a printing head integral bracket (15), wherein a pneumatic sliding block (17) is arranged at the upper left side of the printing head integral bracket (15), and a first steering engine (2) is arranged at the upper right side of the printing head integral bracket; the steering engine comprises a steering engine, a steering engine swing arm (3) and a wire feeding mechanism mounting seat (4), wherein the steering engine swing arm (3) is mounted on the first steering engine (2), a driven wire feeding wheel (18) is mounted on the wire feeding mechanism mounting seat (4), and a driving wire feeding wheel (5) is mounted on the right side of the driven wire feeding wheel (18).
2. The novel 3D printing double-head collaborative printing device for large-tow continuous fiber composite according to claim 1, wherein: the driving wire feeding wheel (5) is connected with the stepping motor (1), when wire feeding is needed, the steering engine swing arm (3) on the first steering engine (2) rotates anticlockwise, the wire feeding mechanism installation seat (4) is driven to move, the driven wire feeding wheel (18) is attached to the driving wire feeding wheel (5), at the moment, the stepping motor (1) enables the driving wire feeding wheel (5) to rotate, the driven wire feeding wheel (18) is matched with the driving wire feeding wheel to drive the prepreg wire to finish the wire feeding, after wire feeding is finished, the stepping motor (1) stops enabling, and meanwhile the steering engine swing arm (3) on the first steering engine (2) rotates clockwise, so that the driven wire feeding wheel (18) is separated from the driving wire feeding wheel (5), and the prepreg wire is in a free state.
3. The novel 3D printing double-head collaborative printing device for large-tow continuous fiber composite according to claim 1, wherein: the automatic wire cutting machine is characterized in that a wire cutting mechanism mounting seat (7) is mounted below the driving wire feeding wheel (5), a second steering engine (6) is mounted on the wire cutting mechanism mounting seat (7), a cutter (14) is mounted on the second steering engine (6), an electric cylinder (8) is mounted below the wire cutting mechanism mounting seat (7), a driving wire stopping wheel (10) is mounted at the end of an air cylinder shaft of the electric cylinder (8), and a driven wire stopping wheel (13) is mounted on the left side of the driving wire stopping wheel (10).
4. The novel 3D printing double-head collaborative printing device for large-tow continuous fiber composite according to claim 3, wherein: a wire guide groove (11) is arranged below the driving wire stop wheel (10), a metal compacting roller (12) is arranged on the left side of the wire guide groove (11), and a laser heater (9) is arranged below the wire guide groove (11).
5. The novel 3D printing double-head collaborative printing device for large-tow continuous fiber composite according to claim 3, wherein: a pneumatic connector (16) is arranged above the metal compacting roller (12).
6. The novel 3D printing double-head collaborative printing device for large-tow continuous fiber composite according to claim 1, wherein: a first y-axis beam (22) and a second y-axis beam (25) are respectively arranged on the left side and the right side of a printer body (23), a first x-axis beam (20) and a second x-axis beam (21) are arranged on the first y-axis beam (22) and the second y-axis beam (25), a novel 3D printing head (19) of a large-tow continuous fiber composite material is arranged on the first x-axis beam (20), a conventional small-tow continuous fiber printing head (26) is arranged on the second x-axis beam (21), and a printing platform (24) is arranged below the first y-axis beam (22) and the second y-axis beam (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310571465.1A CN116690970A (en) | 2023-05-20 | 2023-05-20 | Novel 3D printing double-head collaborative printing device for large-tow continuous fiber composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203945693U (en) * | 2014-06-27 | 2014-11-19 | 航天特种材料及工艺技术研究所 | A kind of device that improves polymeric material 3D printing intensity |
| CN206840710U (en) * | 2017-05-08 | 2018-01-05 | 张华� | A kind of double independent sprayer devices of 3D printer |
| US20180162050A1 (en) * | 2016-12-14 | 2018-06-14 | Electronics And Telecommunications Research Institute | System for and method of manufacturing three-dimensional structure |
| CN208469057U (en) * | 2018-03-24 | 2019-02-05 | 昆山市奇迹三维科技有限公司 | A kind of wire rod automatic handling device |
| US20200398487A1 (en) * | 2019-06-19 | 2020-12-24 | Airbus Operations Gmbh | Conveying installation and tool head for an additive manufacturing machine, and additive manufacturing machine |
| CN215550989U (en) * | 2021-09-02 | 2022-01-18 | 上海铂枢复合材料科技有限公司 | Double-connecting-rod transmission solid 3D printing material delivery forming device |
| CN114474719A (en) * | 2022-01-17 | 2022-05-13 | 浙江大学 | Continuous fiber composite material in-situ additive manufacturing method for fusion forming quality real-time detection |
| CN114474720A (en) * | 2022-01-17 | 2022-05-13 | 浙江大学 | Irradiation angle adjustable laser-assisted continuous fiber composite material in-situ additive manufacturing device |
| CN217777787U (en) * | 2022-06-24 | 2022-11-11 | 河北大学 | Shower nozzle printing mechanism and 3D printer |
| CN115384059A (en) * | 2022-09-27 | 2022-11-25 | 上海沪科昱辰科技有限公司 | Double-nozzle 3D printing device |
-
2023
- 2023-05-20 CN CN202310571465.1A patent/CN116690970A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203945693U (en) * | 2014-06-27 | 2014-11-19 | 航天特种材料及工艺技术研究所 | A kind of device that improves polymeric material 3D printing intensity |
| US20180162050A1 (en) * | 2016-12-14 | 2018-06-14 | Electronics And Telecommunications Research Institute | System for and method of manufacturing three-dimensional structure |
| CN206840710U (en) * | 2017-05-08 | 2018-01-05 | 张华� | A kind of double independent sprayer devices of 3D printer |
| CN208469057U (en) * | 2018-03-24 | 2019-02-05 | 昆山市奇迹三维科技有限公司 | A kind of wire rod automatic handling device |
| US20200398487A1 (en) * | 2019-06-19 | 2020-12-24 | Airbus Operations Gmbh | Conveying installation and tool head for an additive manufacturing machine, and additive manufacturing machine |
| CN215550989U (en) * | 2021-09-02 | 2022-01-18 | 上海铂枢复合材料科技有限公司 | Double-connecting-rod transmission solid 3D printing material delivery forming device |
| CN114474719A (en) * | 2022-01-17 | 2022-05-13 | 浙江大学 | Continuous fiber composite material in-situ additive manufacturing method for fusion forming quality real-time detection |
| CN114474720A (en) * | 2022-01-17 | 2022-05-13 | 浙江大学 | Irradiation angle adjustable laser-assisted continuous fiber composite material in-situ additive manufacturing device |
| CN217777787U (en) * | 2022-06-24 | 2022-11-11 | 河北大学 | Shower nozzle printing mechanism and 3D printer |
| CN115384059A (en) * | 2022-09-27 | 2022-11-25 | 上海沪科昱辰科技有限公司 | Double-nozzle 3D printing device |
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