CN115157653A - 3D printer made of composite material and printing method thereof - Google Patents

3D printer made of composite material and printing method thereof Download PDF

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Publication number
CN115157653A
CN115157653A CN202210779243.4A CN202210779243A CN115157653A CN 115157653 A CN115157653 A CN 115157653A CN 202210779243 A CN202210779243 A CN 202210779243A CN 115157653 A CN115157653 A CN 115157653A
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CN
China
Prior art keywords
printing
output
fixedly connected
printer
nozzle
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Pending
Application number
CN202210779243.4A
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Chinese (zh)
Inventor
李晓敏
梁宇明
吴桃春
王开
赖辉
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MAOMING POLYTECHNIC
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MAOMING POLYTECHNIC
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Priority to CN202210779243.4A priority Critical patent/CN115157653A/en
Publication of CN115157653A publication Critical patent/CN115157653A/en
Pending legal-status Critical Current

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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
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • 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
    • B29C64/329—Feeding using hoppers
    • 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
    • B29C64/336—Feeding of two or more materials
    • 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
    • B29C64/386—Data acquisition or data processing for additive manufacturing
    • B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
    • 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
    • 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
    • B33Y50/00—Data acquisition or data processing for additive manufacturing
    • 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
    • B33Y70/00—Materials specially adapted for additive manufacturing
    • B33Y70/10—Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials

Abstract

The invention discloses a 3D printer made of a composite material, which comprises a workbench, wherein a plurality of support columns are fixedly connected to the bottom side wall of the workbench, a printing platform is fixedly connected to the upper side of the workbench, a mechanical arm is installed on the upper side of the workbench, a printing nozzle is fixedly connected to the top end of the mechanical arm, a back plate is fixedly connected to the upper side of the workbench, the side wall of the back plate is connected with the printing nozzle through a non-metal material conveying device, and a plurality of output nozzles are connected to the side wall of the back plate through a metal material conveying device. The invention can enable the composite material containing the non-metallic material and the metallic material to finish the printing of the three-dimensional entity on the printing platform, thereby expanding the development space of the 3D printing technology.

Description

3D printer made of composite material and printing method thereof
Technical Field
The invention relates to the technical field of 3D printing, in particular to a 3D printer made of a composite material and a printing method of the 3D printer.
Background
The development of 3D printing technology provides a new platform for manufacturing complex parts that are difficult to manufacture with traditional methods. The 3D printing technique is also called additive manufacturing technique, which is based on three-dimensional CAD model files and uses a layer-by-layer printing method to build up layers to form objects. Has been widely used in the fields of aerospace, biomedicine, education and teaching, automobile industry and the like. Common additive manufacturing processes include fused deposition methods, stereolithography, selective laser sintering, and the like.
At present, two major development factors restricting 3D printing technology are printing technology and materials used for printing. The existing 3D printer can only print products with single material, such as PLA, ABS, PE, and the like, and the interlayer adhesiveness is poor in the process of stacking the materials layer by layer, so that the printed products have poor mechanical properties such as strength and rigidity. The strength and rigidity of the metal material are far better than those of the non-metal material, but in the field of mixed printing of the metal material and the non-metal material, due to the huge difference of the metal material and the non-metal material in the melting point and the poor compatibility and printing performance between the metal material and the non-metal material, the currently available 3D printing technology cannot integrally print the metal material and the non-metal material.
Disclosure of Invention
The invention provides a 3D printer made of a composite material and a printing method thereof, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a combined material's 3D printer, includes the workstation, a plurality of support columns of fixedly connected with on the bottom lateral wall of workstation, the upside fixedly connected with print platform of workstation, the arm is installed to the upside of workstation, the top fixedly connected with of arm prints the shower nozzle, the upside fixedly connected with backplate of workstation, connect through non-metallic feeding device on the lateral wall of backplate and print the shower nozzle, be connected with a plurality of output nozzles, a plurality of through metallic feeding device on the lateral wall of backplate the output nozzle all is the slope and runs through the lateral wall of printing the shower nozzle, every the equal fixed connection of output nozzle is on the lateral wall of printing the shower nozzle, and is a plurality of the output nozzle is annular permutation and sets up, be equipped with control terminal on the workstation, control terminal is connected with the arm electricity.
As a further improvement scheme of the technical scheme: nonmetal feeding device includes first storage case and first delivery pump, the equal fixed connection of first storage case and first delivery pump is on the lateral wall of backplate, the first connecting pipe of fixedly connected with between the lateral wall of first storage case and the input of first delivery pump, the first conveying pipeline of fixedly connected with between on the output of first delivery pump and the lateral wall of printing the shower nozzle, control terminal is connected with first delivery pump electricity, the storage has and is liquid non-metallic material in the first storage case.
As a further improvement scheme of the technical scheme: and a heat insulation layer is arranged in the first material conveying pipe.
As a further improvement scheme of the technical scheme: the non-metal material is an organic polymer material or an inorganic polymer material, and comprises one or more of PLA, PET, TPU, ABS, nylon and rubber.
As a further improvement scheme of the technical scheme: the metal feeding device comprises a plurality of second storage boxes and a plurality of second output pumps, wherein the metal feeding device is fixedly connected to the side wall of the back plate, every is fixedly connected to the side wall of the second storage box and the input end of each second output pump, every is fixedly connected to a second feeding pipe at the output end of the second output end, and is multiple.
As a further improvement scheme of the technical scheme: and a heating coil is arranged on the side wall of each second conveying pipeline.
As a further improvement scheme of the technical scheme: the metal material comprises a metal or alloy having a melting point below celsius.
As a further improvement scheme of the technical scheme: and a heating sheet is arranged on the inner side wall of the printing nozzle.
The invention also provides a printing method of the 3D printer made of the composite material, which comprises the following steps:
s1, filling a liquid non-metal material in a first storage tank, and filling a plurality of liquid metals into a second storage pump respectively;
s2, the control terminal controls the first output pump to work, and liquid non-metal materials in the first storage tank enter the printing spray head through the first connecting pipe and the first conveying pipe;
s3, the control terminal can control the plurality of second output pumps to work, liquid metal materials in a second storage tank enter an output nozzle through a second connecting pipe and a second conveying pipe and are extruded out, composite materials formed by mixing the extruded liquid metal materials and the liquid nonmetal materials are extruded out from a printing nozzle, and one or more second output pumps can be started to work according to the composite materials, so that one or more metals are mixed with the liquid nonmetal materials, and different composite materials are obtained;
and S4, the control terminal can control the printing spray head to move on a plane vertical to the movement direction of the printing platform through the mechanical arm, so that the composite material can print the three-dimensional entity on the printing platform.
As a further improvement scheme of the technical scheme: before the 3D printer is used, G codes are written and loaded into the control terminal, the G codes are used for controlling a printing path of the printing nozzle, the printing path is continuous, and the middle part of the printing path is not disconnected.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the composite material formed by mixing the extruded liquid metal material and the extruded liquid non-metal material is extruded from the printing spray head, wherein one or more second output pumps can be started to work according to the composite material, so that one or more metals and the liquid non-metal material are mixed to achieve different composite materials, and thus, the printing of a three-dimensional entity is completed on the printing platform by the non-metal material and the metal material, and the development space of a 3D printing technology is expanded.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a schematic front structural diagram of a 3D printer made of a composite material according to the present invention;
fig. 2 is a schematic front cross-sectional structural view of a printing nozzle in a 3D printer made of a composite material according to the present invention;
fig. 3 is a schematic top view cross-sectional structure diagram of a printing nozzle in a 3D printer made of a composite material according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a first feed delivery pipe; 2. a first connecting pipe; 3. a first material storage box; 4. a first output pump; 5. a second material storage tank; 6. a second connection pipe; 7. a second output pump; 8. printing a spray head; 9. a printing platform; 10. a work table; 11. a second delivery pipe; 12. a mechanical arm; 13. a control terminal; 14. a support pillar; 15. an output nozzle; 16. a heating plate; 17. a heating coil; 18. a thermal insulation layer; 19. a back plate.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
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. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, in an embodiment of the present invention, a 3D printer made of a composite material includes a workbench 10, a plurality of support columns 14 are fixedly connected to a bottom side wall of the workbench 10, a printing platform 9 is fixedly connected to an upper side of the workbench 10, a mechanical arm 12 is installed on the upper side of the workbench 10, a printing nozzle 8 is fixedly connected to a top end of the mechanical arm 12, a back plate 19 is fixedly connected to an upper side of the workbench 10, the printing nozzle 8 is connected to a side wall of the back plate 19 through a non-metal material conveying device, a plurality of output nozzles 15 are connected to a side wall of the back plate 19 through a metal material conveying device, the plurality of output nozzles 15 obliquely penetrate through a side wall of the printing nozzle 8, each output nozzle 15 is fixedly connected to a side wall of the printing nozzle 8, the plurality of output nozzles 15 are arranged in an annular array, a control terminal 13 is disposed on the workbench 10, the control terminal 13 is electrically connected to the mechanical arm 12, and a heating plate 16 is disposed on an inner side wall of the printing nozzle 8.
Referring to fig. 1 and 2, the nonmetal feeding device includes a first material storage tank 3 and a first output pump 4, the first material storage tank 3 and the first output pump 4 are both fixedly connected to a side wall of a back plate 19, a first connection pipe 2 is fixedly connected between a side wall of the first material storage tank 3 and an input end of the first output pump 4, a first feeding pipe 1 is fixedly connected between an output end of the first output pump 4 and a side wall of a printing nozzle 8, a control terminal 13 is electrically connected to the first output pump 4, a liquid nonmetal material is stored in the first material storage tank 3, the nonmetal material is an organic polymer material or an inorganic polymer material, the nonmetal material includes one or more of PLA, PET, TPU, ABS, nylon, and rubber, a thermal insulation layer 18 is disposed inside the first feeding pipe 1, the control terminal 13 controls the first output pump 4 to operate, and the liquid nonmetal material in the first material storage tank 3 enters the printing nozzle 8 through the first connection pipe 2 and the first feeding pipe 1.
Referring to fig. 1 and 2, the metal conveying device includes a plurality of second material storage tanks 5 and a plurality of second output pumps 7, the metal conveying device is fixedly connected to a side wall of a back plate 19, a second connecting pipe 6 is fixedly connected to a side wall of each second material storage tank 5 and an input end of each second output pump 7, an output end of each second output end 7 is fixedly connected to a second conveying pipe 11, one end of each second conveying pipe 11 is connected to a plurality of output nozzles 15, each second output pump 7 is electrically connected to a control terminal 13, different and liquid metal materials are stored in the second material storage tanks 5, the metal materials include metals or alloys with a melting point below 300 ℃, a heating coil 17 is disposed on a side wall of each second conveying pipe 11, and the control terminal 13 can control the second output pumps 7 to work, so that the liquid metal materials in the second material storage tanks 5 enter the output material storage nozzles 15 through the second connecting pipes 6 and the second conveying pipes 11 and are extruded, and the extruded liquid metal materials and the composite materials mixed with the liquid non-metal materials are extruded from a printing nozzle 8.
The working steps of the invention are as follows:
s1, firstly filling a liquid non-metal material into a first storage tank 3, and then filling a plurality of liquid metals into a second storage pump 5 respectively;
s2, the control terminal 13 controls the first output pump 4 to work, and liquid non-metal materials in the first storage tank 3 enter the printing nozzle 8 through the first connecting pipe 2 and the first material conveying pipe 1;
s3, the control terminal 13 can control the second output pumps 7 to work, liquid metal materials in the second storage tank 5 enter the output nozzle 15 through the second connecting pipe 6 and the second conveying pipe 11 and are extruded out, composite materials formed by mixing the extruded liquid metal materials and the liquid nonmetal materials are extruded out from the printing spray head 8, wherein one or more second output pumps 7 can be started to work according to the composite materials, so that one or more metals and the liquid nonmetal materials are mixed, and different composite materials are achieved;
and S4, the control terminal 13 can control the printing spray head 8 to move on a plane vertical to the movement direction of the printing platform through the mechanical arm 12, so that the composite material can print a three-dimensional entity on the printing platform.
Before the 3D printer is used, G codes are compiled and downloaded into the control terminal 13, the G codes are used for controlling the printing paths of the printing nozzles 8, the printing paths are continuous, and the middle part of the printing paths is not disconnected.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a combined material's 3D printer, includes workstation (10), its characterized in that, a plurality of support columns of fixedly connected with (14) are gone up to the end lateral wall of workstation (10), upside fixedly connected with print platform (9) of workstation (10), arm (12) are installed to the upside of workstation (10), the top fixedly connected with of arm (12) prints shower nozzle (8), upside fixedly connected with backplate (19) of workstation (10), connect through non-metallic material conveying device on the lateral wall of backplate (19) and print shower nozzle (8), be connected with a plurality of output nozzle (15) through metallic material conveying device on the lateral wall of backplate (19), it is a plurality of output nozzle (15) all are the slope and run through the lateral wall of printing shower nozzle (8), every the equal fixed connection of output nozzle (15) is on the lateral wall of printing shower nozzle (8), it is a plurality of output nozzle (15) are annular permutation setting, be equipped with control terminal (13) on workstation (10), control terminal (13) are connected with arm (12) electricity.
2. The 3D printer of composite material according to claim 1, wherein the non-metal feeding device comprises a first storage tank (3) and a first output pump (4), the first storage tank (3) and the first output pump (4) are both fixedly connected to a side wall of the back plate (19), a first connecting pipe (2) is fixedly connected between a side wall of the first storage tank (3) and an input end of the first output pump (4), a first feeding pipe (1) is fixedly connected between an output end of the first output pump (4) and a side wall of the printing nozzle (8), the control terminal (13) is electrically connected with the first output pump (4), and the non-metal material in a liquid state is stored in the first storage tank (3).
3. 3D printer of composite material according to claim 2, characterised in that the first feed conveyor pipe (1) is provided with a thermally insulating layer (18) on the inside.
4. 3D printer of a composite material according to claim 2, characterized in that the non-metallic material is an organic or inorganic polymer material, the non-metallic material comprising one or more of PLA, PET, TPU, ABS, nylon, rubber.
5. The 3D printer of composite material according to claim 1, wherein the metal feeding device comprises a plurality of second storage boxes (5) and a plurality of second output pumps (7), the metal feeding device is fixedly connected to a side wall of the back plate (19), a second connecting pipe (6) is fixedly connected to a side wall of each second storage box (5) and an input end of each second output pump (7), an output end of each second output end (7) is fixedly connected to a second feeding pipe (11), one end of each second feeding pipe (11) is respectively connected to a plurality of output nozzles (15), each second output pump (7) is electrically connected to the control terminal (13), and different and liquid metal materials are stored in the second storage boxes (5).
6. A3D printer as claimed in claim 5, characterised in that each of said second feed conveyor pipes (11) is provided with heating coils (17) on its side wall.
7. A composite 3D printer according to claim 5, wherein the metallic material comprises a metal or alloy having a melting point below (300) degrees Celsius.
8. 3D printer of composite material according to claim 1, characterized in that the printing head (8) is provided on its inner side with heating fins (16).
9. Method for printing by a 3D printer of a composite material according to any one of claims 1 to 8, characterized in that it comprises the following steps:
s1, filling a first storage tank (3) with a liquid non-metal material, and filling a plurality of liquid metals into a second storage pump (5) respectively;
s2, the control terminal (13) controls the first output pump (4) to work, and liquid non-metal materials in the first storage tank (3) enter the printing nozzle (8) through the first connecting pipe (2) and the first conveying pipe (1);
s3, the control terminal (13) can control the second output pumps (7) to work, liquid metal materials in the second storage box (5) enter the output nozzle (15) through the second connecting pipe (6) and the second conveying pipe (11) and are extruded out, composite materials formed by mixing the extruded liquid metal materials and the liquid nonmetal materials are extruded out from the printing spray head (8), wherein one or more second output pumps (7) can be started to work according to the composite materials, so that one or more metals are mixed with the liquid nonmetal materials to achieve different composite materials;
and S4, the control terminal (13) can control the printing spray head (8) to move on a plane vertical to the moving direction of the printing platform through the mechanical arm (12), so that the composite material can print the three-dimensional entity on the printing platform.
10. The printing method of the 3D printer made of the composite material as claimed in claim 9, wherein before the 3D printer is used, G codes are written and loaded into the control terminal (13), the G codes are used for controlling the printing paths of the printing nozzles (8), and the printing paths are continuous without disconnection.
CN202210779243.4A 2022-07-01 2022-07-01 3D printer made of composite material and printing method thereof Pending CN115157653A (en)

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CN111086210A (en) * 2019-12-09 2020-05-01 江苏大学 3D printing-based equipment and method for processing net-shaped multilayer structure composite material
CN213997801U (en) * 2020-11-10 2021-08-20 天津智慧三迪科技有限公司 3D prints and send whitewashed device with arm laser
CN214419602U (en) * 2021-02-03 2021-10-19 四川农业大学 3D printer nozzle structure
CN214082861U (en) * 2021-02-09 2021-08-31 翼德(北京)科技有限公司 Toy 3D printer
CN113500778A (en) * 2021-08-16 2021-10-15 吉林大学 Multi-material multifunctional switchable 3D printing system and method
CN113715324A (en) * 2021-08-27 2021-11-30 中国空间技术研究院 3D printer made of metal and nonmetal composite material and printing method thereof

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