CN110861292A - Device for 3D printing and printing method thereof - Google Patents
Device for 3D printing and printing method thereof Download PDFInfo
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- CN110861292A CN110861292A CN201911144613.1A CN201911144613A CN110861292A CN 110861292 A CN110861292 A CN 110861292A CN 201911144613 A CN201911144613 A CN 201911144613A CN 110861292 A CN110861292 A CN 110861292A
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- printing
- laser
- axis driving
- driving system
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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
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/112—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
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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
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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
- B29C64/30—Auxiliary operations or equipment
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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
- B33Y10/00—Processes of 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
- 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)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
Abstract
The invention provides a device for 3D printing and a printing method thereof, wherein the device comprises a frame, an X-axis driving system, a Y-axis driving system, a Z-axis driving system, a printing platform and a printing nozzle system; the printing nozzle system comprises an extrusion head, a rotating head, a laser bracket, a laser and a nozzle base; the laser etches the previously printed layer to create a channel in the surface, and the extrusion head then applies molten material to form an anchor structure with the previously printed layer. The material printed by the device forms a firm anchoring structure between layers, is not easy to slide and peel, and obviously improves the interlayer strength of the printed material.
Description
Technical Field
The invention relates to the field of 3D printing, in particular to a device for 3D printing and a printing method thereof.
Background
The 3D printing technology is also called additive manufacturing technology, under the control of a computer program, a printing head prints materials according to the cross section shape of a product, then the materials are added layer by layer through the superposition of continuous physical layers to finish the manufacturing of the product, the design is flexible, the processing precision is high, the material consumption is low, a mould is not needed, the method is particularly suitable for processing products with complex structure and individual customization, the 3D printing technology type is expanded from a light-cured resin technology to FDM fusion lamination molding, an SLS selection area laser sintering technology and an LOM layering entity manufacturing technology through the development of decades, the processing materials are expanded to resin, plastics, metal powder, cement, ceramic blanks and the like, and the method is partially applied to the fields of aerospace, automobiles, medical treatment, buildings and the like.
However, the existing 3D printing technology also has obvious defects, because it is produced by printing layer by layer, an obvious interface exists between layers, and the mechanical properties between layers are poor, and in order to solve this problem, predecessors also designed many schemes:
chinese patent application with application number CN201810616915.3 discloses an interlaminar reinforcement technique for 3D printing of fiber reinforced composite materials, the 3D printing equipment of the technique at least comprises two printing nozzles, one of which is a fiber reinforced thermoplastic resin printing nozzle, and the other is an interlaminar reinforcement nozzle, the reinforcement nozzles implant thin rods into multi-point positions of a lamination area after printing according to a design interval, so as to complete interlaminar reinforcement, but the structure of the scheme is complex, and the printing part is easily damaged due to overlarge pressure applied when the thin rods are implanted.
Chinese patent application with application number CN201610248106.2 discloses a plastic 3D printing device, which is provided with a micropore nozzle capable of spraying corrosive or dissolving plastic treating agent, and through spraying the treating agent on the plastic, micropores are formed on the surface of the treating agent, and when printing is carried out again at the back, molten plastic can enter the micropores, thereby improving the interlayer binding force of the printing part. However, the pores created by this solution are not easily controlled and the treatment agents used may also cause harm to the human body.
Chinese patent application No. CN201710121438.9 discloses a multifunctional 3D printing head for material extrusion molding and a use method thereof, which is provided with a 3D printing feeding nozzle, and a laser and a hot rolling cylinder for matching and printing by a nozzle of the 3D printing feeding nozzle, and uses laser to preheat front layer resin and print back hot rolling, thereby improving the printing density and interlayer interface performance of a printed part to a certain extent. However, the resin in a molten state is easy to deform under hot pressing, which affects the printing quality, and if the laser preheating fails to reach the bonding effect between layers in a molten state, the interlayer strength is still difficult to ensure.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the device for 3D printing and the printing method thereof, which have the advantages of high strength between printing layers, simple equipment, controllable structure and no influence on printing quality.
In order to achieve the purpose, the invention adopts the technical scheme that:
an apparatus for 3D printing, the apparatus for 3D printing comprising a frame, an X-axis drive system, a Y-axis drive system, a Z-axis drive system, a printing platform, and a print head system;
the Y-axis driving system is fixedly arranged on the upright column on the side surface of the frame;
the X-axis driving system is arranged on the Y-axis driving system and moves back and forth along the Y axis under the control of the Y-axis driving system;
the printing nozzle system is arranged on the X-axis driving system and moves left and right along the X axis under the control of the X-axis driving system;
the Z-axis driving system is fixedly arranged on a beam behind the frame;
the printing platform is arranged on the Z-axis driving system and moves up and down along the Z axis under the control of the Z-axis driving system;
the printing nozzle system comprises an extrusion head, a rotating head, a laser bracket, a laser and a nozzle base;
the extrusion head is connected with the spray head base, and printing consumables enter the extrusion head through a hollow hole in the center of the upper part of the spray head base;
the rotating head is coaxial with the extrusion head, is connected with the bottom of the spray head base and can rotate around the extrusion head;
the laser bracket is fixed on the side of the rotating head and can rotate around the extrusion head along with the rotating head;
the laser is mounted on a laser mount.
Furthermore, the inside of laser instrument support be equipped with the slide rail for the angle of adjustment laser instrument.
Furthermore, the radio frequency energy of the laser can be adjusted to meet the etching requirements of different printing materials.
Further, the laser is one or more arrays.
The printing method of the device for 3D printing comprises the following steps:
(1) the printing nozzle system firstly prints a first layer of material on a printing platform;
(2) when the second layer of material is printed, the laser is opened, the first layer is etched to generate a groove on the surface of the first layer, and then the extrusion head coats the molten material on the groove to form an anchoring structure with the groove of the first layer;
(3) when the printing nozzle system changes the direction, the rotating head drives the laser bracket and the laser to synchronously rotate, so that the laser is always positioned at the front end of the printing direction of the extrusion head;
(4) repeating the steps (2) and (3) to finish the printing of the upper layer
Compared with the prior art, the invention has the following gain effects:
(1) the laser is used for etching the previous printing layer to generate a groove on the surface of the previous printing layer, and then the extrusion head coats the molten material on the previous printing layer to form an anchoring structure with the previous printing layer, so that the interlayer strength of the printing material is obviously improved;
(2) the laser support is internally provided with the sliding rail, so that the angle of the laser can be adjusted, the radio frequency energy of the laser can be adjusted, the angle and the depth of an etched groove can be changed according to the shapes of printing materials and products, different printing requirements are met, the application range is wide, and the printing precision is not influenced.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for 3D printing according to the present invention;
FIG. 2 is a schematic structural diagram of a print head system according to the present invention;
FIG. 3 is a schematic view of another angle of the print head system according to the present invention;
FIG. 4 is a schematic diagram of an apparatus for 3D printing according to the present invention;
fig. 5 is a schematic diagram of the structure of a product printed by the apparatus of the present invention.
Wherein, 1-frame; 2-X axis drive system; 3-Y-axis drive system; 4-Z axis drive system; 5, a printing platform; 6-printing the spray head system; 61-extrusion head; 62-a rotating head; 63-laser holder; 64-a laser; 65-base of spray head.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
As shown in fig. 1, an apparatus for 3D printing includes a frame 1, an X-axis driving system 2, a Y-axis driving system 3, a Z-axis driving system 4, a printing platform 5, and a printing head system 6;
the Y-axis driving system 3 is fixedly arranged on a side upright post of the frame 1;
the X-axis driving system 2 is arranged on the Y-axis driving system 3 and moves back and forth along the Y axis under the control of the Y-axis driving system 3;
the printing nozzle system 6 is arranged on the X-axis driving system 2 and moves left and right along the X axis under the control of the X-axis driving system 2;
the Z-axis driving system 4 is fixedly arranged on a beam at the rear of the frame 1;
the printing platform 5 is arranged on the Z-axis driving system 4 and moves up and down along the Z axis under the control of the Z-axis driving system 4;
referring to fig. 2 and 3, the print head system 6 includes an extrusion head 61, a rotary head 62, a laser holder 63, a laser 64, and a head base 65;
the extrusion head 61 is connected with the spray head base 65, and printing consumables enter the extrusion head 61 through a hollow hole in the center of the upper part of the spray head base 65;
the rotating head 62 is coaxial with the extrusion head 61, is connected with the bottom of the spray head base 65, and can rotate around the extrusion head 61;
the laser bracket 63 is fixed on the side of the rotating head 62 and can rotate around the extrusion head 61 along with the rotating head 62;
the laser 64 is mounted on a laser mount 63.
A slide rail is arranged in the laser bracket 63 and used for adjusting the angle of the laser 64;
the laser 64 is an array of 6 lasers, and forms an acute angle with the central axis of the extrusion head 61.
Referring to fig. 4, a printing method of an apparatus for 3D printing includes:
(1) the printing nozzle system 6 firstly prints the first layer of material on the printing platform 5;
(2) when the second layer of material is printed, the laser 64 is opened, the first layer of material is firstly etched, so that a groove is formed on the surface of the first layer of material, and then the extrusion head 61 coats the molten material on the groove, so that the molten material and the groove form an anchoring structure;
(3) when the printing nozzle system 6 changes direction, the rotating head 62 drives the laser bracket 63 and the laser 64 to rotate synchronously, so as to ensure that the laser 64 is always positioned at the front end of the extrusion head 61 in the printing direction;
(4) and (4) repeating the steps (2) and (3) to finish the printing of the upper layer.
As shown in the combined figure 5, a firm anchoring structure is formed between layers of the printed product, so that the printed product is not easy to slide and peel, and the interlayer strength of the printed product is obviously improved.
While the principles of the invention have been described in detail above in connection with embodiments thereof, it will be understood by those skilled in the art that the foregoing examples are merely illustrative of exemplary implementations of the invention and are not limiting of the scope of the invention. The details of the embodiments are not to be construed as limiting the scope of the invention, and any obvious modifications, such as equivalent alterations, simple substitutions and the like, based on the technical means of the invention, may be made within the scope of the invention without departing from the spirit and scope of the invention.
Claims (5)
1. An apparatus for 3D printing, characterized by: the device for 3D printing comprises a frame, an X-axis driving system, a Y-axis driving system, a Z-axis driving system, a printing platform and a printing nozzle system;
the Y-axis driving system is fixedly arranged on the upright column on the side surface of the frame;
the X-axis driving system is arranged on the Y-axis driving system and moves back and forth along the Y axis under the control of the Y-axis driving system;
the printing nozzle system is arranged on the X-axis driving system and moves left and right along the X axis under the control of the X-axis driving system;
the Z-axis driving system is fixedly arranged on a beam behind the frame;
the printing platform is arranged on the Z-axis driving system and moves up and down along the Z axis under the control of the Z-axis driving system;
the printing nozzle system comprises an extrusion head, a rotating head, a laser bracket, a laser and a nozzle base;
the extrusion head is connected with the spray head base, and printing consumables enter the extrusion head through a hollow hole in the center of the upper part of the spray head base;
the rotating head is coaxial with the extrusion head, is connected with the bottom of the spray head base and can rotate around the extrusion head;
the laser bracket is fixed on the side of the rotating head and can rotate around the extrusion head along with the rotating head;
the laser is mounted on a laser mount.
2. An apparatus for 3D printing according to claim 1, characterized in that: the laser support is internally provided with a sliding rail for adjusting the angle of the laser.
3. An apparatus for 3D printing according to claim 1, characterized in that: the radio frequency energy of the laser is adjustable so as to meet the etching requirements of different printing materials.
4. An apparatus for 3D printing according to claim 1, characterized in that: the laser is one or more arrays.
5. A printing method for an apparatus for 3D printing according to claim 1, characterized by comprising the steps of:
(1) the printing nozzle system firstly prints a first layer of material on a printing platform;
(2) when the second layer of material is printed, the laser is opened, the first layer is etched to generate a groove on the surface of the first layer, and then the extrusion head coats the molten material on the groove to form an anchoring structure with the groove of the first layer;
(3) when the printing nozzle system changes the direction, the rotating head drives the laser bracket and the laser to synchronously rotate, so that the laser is always positioned at the front end of the printing direction of the extrusion head;
(4) and (5) repeating the steps (2) and (3) to finish the printing of the upper layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911144613.1A CN110861292A (en) | 2019-11-20 | 2019-11-20 | Device for 3D printing and printing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911144613.1A CN110861292A (en) | 2019-11-20 | 2019-11-20 | Device for 3D printing and printing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110861292A true CN110861292A (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911144613.1A Pending CN110861292A (en) | 2019-11-20 | 2019-11-20 | Device for 3D printing and printing method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193580A (en) * | 2022-01-13 | 2022-03-18 | 江苏集萃复合材料装备研究所有限公司 | Method for enhancing interlayer shear strength of cement 3D printing and spray head device |
| CN115302763A (en) * | 2022-02-15 | 2022-11-08 | 西京学院 | FDM type 3D printing system and method based on laser texturing technology |
| CN116080062A (en) * | 2023-01-09 | 2023-05-09 | 南京航空航天大学 | Microwave compaction cooperative interlayer reinforced additive manufacturing method and device |
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| JP2005335203A (en) * | 2004-05-26 | 2005-12-08 | Matsushita Electric Works Ltd | Method for manufacturing three-dimensional shape |
| CN105291442A (en) * | 2015-12-02 | 2016-02-03 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printer and three-dimensional printing method thereof |
| CN106346776A (en) * | 2016-09-13 | 2017-01-25 | 复旦大学 | Superposition printing structure and method for 3D printing products of homogeneous or heterogeneous materials |
| CN107000316A (en) * | 2014-11-27 | 2017-08-01 | 飞利浦照明控股有限公司 | Printhead, printing equipment, Method of printing and the article of printing |
| CN110121405A (en) * | 2016-09-16 | 2019-08-13 | 通用电气公司 | The method and apparatus of increasing material manufacturing for thin-walled geometry |
| CN110303677A (en) * | 2018-03-25 | 2019-10-08 | 罗天珍 | The laser of three-dimensional lamination printed matter part profile staggeredly stays top gasification process |
-
2019
- 2019-11-20 CN CN201911144613.1A patent/CN110861292A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005335203A (en) * | 2004-05-26 | 2005-12-08 | Matsushita Electric Works Ltd | Method for manufacturing three-dimensional shape |
| CN107000316A (en) * | 2014-11-27 | 2017-08-01 | 飞利浦照明控股有限公司 | Printhead, printing equipment, Method of printing and the article of printing |
| CN105291442A (en) * | 2015-12-02 | 2016-02-03 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printer and three-dimensional printing method thereof |
| CN106346776A (en) * | 2016-09-13 | 2017-01-25 | 复旦大学 | Superposition printing structure and method for 3D printing products of homogeneous or heterogeneous materials |
| CN110121405A (en) * | 2016-09-16 | 2019-08-13 | 通用电气公司 | The method and apparatus of increasing material manufacturing for thin-walled geometry |
| CN110303677A (en) * | 2018-03-25 | 2019-10-08 | 罗天珍 | The laser of three-dimensional lamination printed matter part profile staggeredly stays top gasification process |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193580A (en) * | 2022-01-13 | 2022-03-18 | 江苏集萃复合材料装备研究所有限公司 | Method for enhancing interlayer shear strength of cement 3D printing and spray head device |
| CN115302763A (en) * | 2022-02-15 | 2022-11-08 | 西京学院 | FDM type 3D printing system and method based on laser texturing technology |
| CN116080062A (en) * | 2023-01-09 | 2023-05-09 | 南京航空航天大学 | Microwave compaction cooperative interlayer reinforced additive manufacturing method and device |
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