CN110732670B - Many shower nozzles of aluminum alloy 3D printing device - Google Patents

Many shower nozzles of aluminum alloy 3D printing device Download PDF

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Publication number
CN110732670B
CN110732670B CN201911235971.3A CN201911235971A CN110732670B CN 110732670 B CN110732670 B CN 110732670B CN 201911235971 A CN201911235971 A CN 201911235971A CN 110732670 B CN110732670 B CN 110732670B
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CN
China
Prior art keywords
supporting plate
groove
aluminum alloy
printing
nozzle
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Active
Application number
CN201911235971.3A
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Chinese (zh)
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CN110732670A (en
Inventor
宗泽
黄仲佳
周晓宏
罗贤国
张勇
孙文明
赵薇
郑兰斌
吴志华
王心生
杨军
李思文
周翔
吕晨
艾晓蕾
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Anhui Chungu 3D Printing Technology Research Institute of Intelligent Equipment Industry
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Anhui Chungu 3D Printing Technology Research Institute of Intelligent Equipment Industry
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Priority to CN201911235971.3A priority Critical patent/CN110732670B/en
Publication of CN110732670A publication Critical patent/CN110732670A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/10—Formation of a green body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/22—Driving means
    • B22F12/222—Driving means for motion along a direction orthogonal to the plane of a layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/22—Driving means
    • B22F12/224—Driving means for motion along a direction within the plane of a layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/50—Means for feeding of material, e.g. heads
    • B22F12/53—Nozzles
    • 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
    • B33Y70/00—Materials specially adapted for additive manufacturing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)

Abstract

The invention discloses an aluminum alloy multi-nozzle 3D printing device which comprises a 3D printer body, wherein a first supporting plate and a second supporting plate are fixedly welded at the upper end of a printing platform of the 3D printer body respectively, a cross rod is arranged on the first supporting plate and the second supporting plate, a first groove is formed in the side wall of the first supporting plate, a guide rod is fixedly embedded in the first groove, a connecting block is fixedly welded at one end of the cross rod, the connecting block is sleeved on the outer wall of the guide rod in a sliding mode, a second groove is formed in the side, opposite to the first supporting plate, of the second supporting plate, a ball screw is rotatably installed in the second groove, and a driving motor is fixedly installed at the upper end of the second supporting plate through a fixing frame. The height of the printing nozzle can be adjusted according to requirements, and the printing can be carried out longitudinally and hierarchically when objects with more surface ravines are printed, so that poor printing caused by powder accumulation in the ravines is avoided at a certain hierarchy.

Description

Many shower nozzles of aluminum alloy 3D printing device
Technical Field
The invention belongs to the technical field of 3D printing, and particularly relates to an aluminum alloy multi-nozzle 3D printing device.
Background
A three-dimensional printer, also called a 3D printer, is a process for rapid prototyping, and adopts a layer-by-layer stacking mode to manufacture a three-dimensional model in a layered mode, the operation process of the three-dimensional printer is similar to that of a traditional printer, except that the traditional printer prints ink on paper to form a two-dimensional plane drawing, and the three-dimensional printer realizes layer-by-layer stacking and superposition of materials such as liquid photosensitive resin materials, molten plastic wires and gypsum powder to form a three-dimensional entity in a binder spraying or extruding mode and the like.
However, in the 3D printer in the market, only one nozzle is usually provided or operates at a time, which results in very slow printing efficiency and speed, and when printing is performed on an object with many surface ravines, powder is easily piled in the ravines, resulting in poor printing.
Therefore, the aluminum alloy multi-nozzle 3D printing device is provided to solve the problems in the prior art, so that the working efficiency is improved, and powder is prevented from being piled in the gully when printing objects with more surface gullies to a certain extent.
Disclosure of Invention
The invention aims to provide an aluminum alloy multi-nozzle 3D printing device to solve the problems of low working efficiency and powder accumulation in gullies in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
A3D printing device with multiple aluminum alloy spray heads comprises a 3D printer body, wherein a first supporting plate and a second supporting plate are fixedly welded at the upper end of a printing platform of the 3D printer body respectively, a cross rod is arranged on the first supporting plate and the second supporting plate, a first groove is formed in the side wall of the first supporting plate, a guide rod is fixedly embedded in the first groove, a connecting block is fixedly welded at one end of the cross rod and is slidably sleeved on the outer wall of the guide rod, a second groove is formed in one side, opposite to the first supporting plate, of the second supporting plate, a ball screw is rotatably installed in the second groove, a driving motor is fixedly installed at the upper end of the second supporting plate through a fixing frame, the upper end of the ball screw penetrates through the top of the second groove and is connected with an output shaft of the driving motor through a coupler, and the other end of the cross rod is fixedly welded on one side of a ball screw seat, a sliding block is slidably sleeved on the outer wall of the cross rod, a clamp is fixedly mounted on one side of the sliding block, a printing nozzle of the 3D printer body is fixedly clamped inside the clamp, an electric push rod is fixedly mounted at the upper end of the first supporting plate through two groups of fixing blocks, a lantern ring is fixedly mounted at one end of a piston rod of the electric push rod, an upright post is fixedly welded at the upper end of the sliding block, and the lantern ring is sleeved on the outer wall of the upright post;
the inner ring of the lantern ring is provided with sliding grooves, the sliding grooves are symmetrically provided with two groups, the outer wall of the stand column is provided with a convex block corresponding to the sliding grooves, and the convex block is slidably arranged inside the sliding grooves.
Preferably, a rotating bearing is fixedly embedded in the inner bottom of the second groove, one end of the ball screw is fixedly inserted into an inner ring of the rotating bearing, a through hole is formed in the top of the second groove, and the upper end of the ball screw penetrates through the through hole to be connected with an output shaft of the driving motor.
Preferably, five groups are equidistantly arranged on the side wall of the first supporting plate by the first groove, and the electric push rods fixedly arranged at the upper end of the first supporting plate are in one-to-one correspondence with the first groove.
Preferably, five groups of the second grooves are arranged on the side wall of the second supporting plate at equal intervals, and the second grooves and the first grooves are symmetrically arranged.
Preferably, the lantern ring is in sliding clearance fit with the upright column, and the fit clearance between the lantern ring and the upright column is 0.02mm-0.05 mm.
Preferably, the upper end of the upright post is fixedly welded with a limiting block for preventing the upright post from slipping from the lantern ring.
Preferably, the upper end of the connecting block is provided with a through hole, and the guide rod is positioned inside the through hole.
Preferably, the upper end fixed mounting of 3D printer body has dustproof protection casing, first backup pad and second backup pad all are located the inside of dustproof protection casing, and have seted up the viewing aperture on the lateral wall of dustproof protection casing, the inside of viewing aperture is inlayed and is adorned and is fixed with the transparent glass board.
The invention has the technical effects and advantages that: compared with the prior art, the aluminum alloy multi-nozzle 3D printing device provided by the invention has the following advantages:
1. the printing nozzles of the five-group 3D printer body are respectively arranged on the corresponding sliding blocks through the hoops, the sliding blocks are respectively driven by the electric push rod to move on the cross rod for printing according to requirements, one end of the cross rod is sleeved on the outer wall of the guide rod in a sliding mode through the connecting block, the other end of the cross rod is fixedly welded on one side of the ball screw rod seat, the ball screw rod can be driven by the driving motor to rotate according to actual printing requirements, the height of the five groups of cross rods is respectively adjusted, the printing efficiency is improved to a certain extent due to the fact that the five groups of printing nozzles are used for printing simultaneously, the height of the printing nozzles can be adjusted according to requirements by arranging the electric push rod, the driving motor and the cross rod in a one-to-one correspondence mode, and when objects with more surface gullies are printed, longitudinal layered printing is carried out, and the bad printing caused by powder accumulation in gullies is avoided at a certain layer.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial cross-sectional view taken at A of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic top view of a first supporting plate according to the present invention;
FIG. 4 is a schematic view of the structure of the viewing port of the present invention;
fig. 5 is a schematic view of the structure of the collar of the present invention.
In the figure: 1. a 3D printer body; 2. a first support plate; 3. a second support plate; 4. a first groove; 5. a guide bar; 6. a cross bar; 7. connecting blocks; 8. a second groove; 9. a ball screw; 10. a drive motor; 11. a slider; 12. clamping a hoop; 13. a fixed block; 14. an electric push rod; 15. a collar; 16. a column; 17. a rotating bearing; 18. a limiting block; 19. a through hole; 20. a dust-proof protective cover; 21. a viewing port; 22. a transparent glass plate; 23. a through hole; 24. a chute; 25. a bump; 26. a fixing frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an aluminum alloy multi-nozzle 3D printing device as shown in figures 1-5, which comprises a 3D printer body 1, wherein a first supporting plate 2 and a second supporting plate 3 are respectively fixedly welded at the upper end of a printing platform of the 3D printer body 1, the first supporting plate 2 and the second supporting plate 3 are provided with a cross rod 6, a first groove 4 is formed in the side wall of the first supporting plate 2, a guide rod 5 is fixedly embedded in the first groove 4, a connecting block 7 is fixedly welded at one end of the cross rod 6, the connecting block 7 is slidably sleeved on the outer wall of the guide rod 5, a through hole 19 is formed in the upper end of the connecting block 7, and the guide rod 5 is positioned in the through hole 19;
a second groove 8 is formed in one side, opposite to the first support plate 2, of the second support plate 3, five groups of the second grooves 8 are arranged on the side wall of the second support plate 3 at equal intervals, the second grooves 8 and the first grooves 4 are symmetrically arranged, a ball screw 9 is rotatably arranged in each second groove 8, a driving motor 10 is fixedly arranged at the upper end of the second support plate 3 through a fixing frame 26, the upper end of the ball screw 9 penetrates through the top of the second groove 8 and is connected with an output shaft of the driving motor 10 through a coupler, the other end of the cross rod 6 is fixedly welded on one side of a screw seat of the ball screw 9, a rotating bearing 17 is fixedly embedded in the inner bottom of each second groove 8, one end of the ball screw 9 is fixedly inserted into an inner ring of the rotating bearing 17, a through hole 23 is formed in the top of the second groove 8, and the upper end of the ball screw 9 penetrates through the through hole 23 and is connected with the output shaft of the driving motor 10;
through adopting above-mentioned scheme, can drive ball screw 9 through CD-ROM drive motor 10 and rotate according to the printing demand of reality, carry out the regulation of height respectively to five groups of horizontal poles 6, it is convenient to adjust.
A sliding block 11 is slidably sleeved on the outer wall of the cross rod 6, a hoop 12 is fixedly installed on one side of the sliding block 11, printing nozzles of the 3D printer body 1 are tightly clamped and fixed inside the hoop 12, electric push rods 14 are fixedly installed at the upper end of the first supporting plate 2 through two groups of fixing blocks 13, five groups of first grooves 4 are equidistantly formed in the side wall of the first supporting plate 2, the electric push rods 14 fixedly installed at the upper end of the first supporting plate 2 and the first grooves 4 are arranged in a one-to-one correspondence manner, a lantern ring 15 is fixedly installed at one end of a piston rod of the electric push rods 14, a stand column 16 is fixedly welded at the upper end of the sliding block 11, the lantern ring 15 is sleeved on the outer wall of the stand column 16, the lantern ring 15 is in sliding clearance fit with the stand column 16, the fit clearance between the lantern ring 15 and the stand column 16 is 0.02mm-0.05mm, a limiting block 18 for preventing the stand column 16 from slipping from the lantern ring 15 is fixedly welded at the upper end of the stand column 16, the inner ring of the lantern ring 15 is provided with sliding grooves 24, the sliding grooves 24 are symmetrically provided with two groups, the outer wall of the upright post 16 is provided with a convex block 25 corresponding to the sliding grooves 24, and the convex block 25 is slidably arranged in the sliding grooves 24;
through adopting above-mentioned scheme, can drive lantern ring 15 through electric putter 14 and remove to drive stand 16 through lantern ring 15 and remove, then remove through stand 16 and drive sliding block 11 and remove, and then make the printing shower nozzle of installing the 3D printer body on one side of sliding block 11 be horizontal reciprocating motion, realize printing.
The upper end fixed mounting of 3D printer body 1 has dustproof protection casing 20, and first backup pad 2 and second backup pad 3 all are located the inside of dustproof protection casing 20, and have seted up viewing aperture 21 on the lateral wall of dustproof protection casing 20, and the inside of viewing aperture 21 is inlayed and is adorned and is fixed with transparent glass plate 22.
By adopting the scheme, when the printer is used for printing, the printing condition inside the printer can be observed in real time through the transparent glass plate 22, so that the problems can be found and the adjustment and the improvement can be carried out in time when the printer is used for printing.
The working principle is as follows: the printing nozzles of the five groups of 3D printer bodies are respectively arranged on the corresponding sliding blocks 11 through the hoops 12, the sliding blocks 11 are respectively driven by the electric push rods 14 to move on the cross rods 6 for printing according to requirements, one ends of the cross rods 6 are slidably sleeved on the outer walls of the guide rods 5 through the connecting blocks 7, the other ends of the cross rods 6 are fixedly welded on one sides of the screw rod seats of the ball screw rods 9, the ball screw rods 9 can be driven by the driving motors 10 to rotate according to actual printing requirements, the heights of the five groups of cross rods 6 are respectively adjusted, because the five groups of printing nozzles are used for printing simultaneously, the printing efficiency is improved to a certain extent, and the electric push rods 14 and the driving motors 10 are arranged in one-to-one correspondence with the cross rods 6, the heights of the printing nozzles can be adjusted according to requirements, when objects with more gullies on the surface are printed, and the vertical layered printing is carried out, so that the printing defects caused by powder accumulation in gullies are avoided at a certain degree.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (8)

1. The utility model provides a many shower nozzles of aluminum alloy 3D printing device, includes 3D printer body (1), its characterized in that: the upper end of a printing platform of the 3D printer body (1) is respectively fixedly welded with a first supporting plate (2) and a second supporting plate (3), the first supporting plate (2) and the second supporting plate (3) are provided with a cross rod (6), a first groove (4) is formed in the side wall of the first supporting plate (2), a guide rod (5) is fixedly embedded in the first groove (4), a connecting block (7) is fixedly welded at one end of the cross rod (6), the connecting block (7) is slidably sleeved on the outer wall of the guide rod (5), a second groove (8) is formed in one side of the second supporting plate (3) opposite to the first supporting plate (2), a ball screw (9) is rotatably installed in the second groove (8), and a driving motor (10) is fixedly installed at the upper end of the second supporting plate (3) through a fixing frame (26), the upper end of the ball screw (9) penetrates through the top of the second groove (8) and is connected with an output shaft of the driving motor (10) through a coupler, the other end of the cross rod (6) is fixedly welded on one side of a screw rod seat of the ball screw (9), a sliding block (11) is sleeved on the outer wall of the cross rod (6) in a sliding mode, a clamp (12) is fixedly installed on one side of the sliding block (11), a printing nozzle of the 3D printer body (1) is fixedly clamped inside the clamp (12), an electric push rod (14) is fixedly installed at the upper end of the first supporting plate (2) through two groups of fixing blocks (13), a sleeve ring (15) is fixedly installed at one end of a piston rod of the electric push rod (14), a stand column (16) is fixedly welded at the upper end of the sliding block (11), and the sleeve ring (15) is sleeved on the outer wall of the stand column (16);
the inner ring of the lantern ring (15) is provided with sliding grooves (24), the sliding grooves (24) are symmetrically provided with two groups, the outer wall of the upright post (16) is provided with a convex block (25) corresponding to the sliding grooves (24), and the convex block (25) is slidably arranged inside the sliding grooves (24).
2. The aluminum alloy multi-nozzle 3D printing device according to claim 1, wherein: the inner bottom of the second groove (8) is fixedly embedded with a rotating bearing (17), one end of the ball screw (9) is fixedly inserted into the inner ring of the rotating bearing (17), the top of the second groove (8) is provided with a through hole (23), and the upper end of the ball screw (9) penetrates through the through hole (23) to be connected with the output shaft of the driving motor (10).
3. The aluminum alloy multi-nozzle 3D printing device according to claim 1, wherein: five groups have been seted up to first recess (4) equidistant on the lateral wall of first backup pad (2), first backup pad (2) upper end fixed mounting's electric putter (14) is the one-to-one setting with first recess (4).
4. The aluminum alloy multi-nozzle 3D printing device according to claim 1, wherein: the second grooves (8) are arranged on the side wall of the second supporting plate (3) at equal intervals, and the second grooves (8) are symmetrically arranged with the first grooves (4).
5. The aluminum alloy multi-nozzle 3D printing device according to claim 1, wherein: the lantern ring (15) is in sliding clearance fit with the upright post (16), and the fit clearance between the lantern ring (15) and the upright post (16) is 0.02mm-0.05 mm.
6. The aluminum alloy multi-nozzle 3D printing device according to claim 1, wherein: the upper end of the upright post (16) is fixedly welded with a limiting block (18) for preventing the upright post (16) from slipping from the lantern ring (15).
7. The aluminum alloy multi-nozzle 3D printing device according to claim 1, wherein: through-hole (19) have been seted up to the upper end of connecting block (7), guide bar (5) are located the inside of through-hole (19).
8. The aluminum alloy multi-nozzle 3D printing device according to claim 1, wherein: the upper end fixed mounting of 3D printer body (1) has dustproof protection casing (20), first backup pad (2) and second backup pad (3) all are located the inside of dustproof protection casing (20), and have seted up viewing aperture (21) on the lateral wall of dustproof protection casing (20), the inside of viewing aperture (21) is inlayed and is adorned and is fixed with clear glass board (22).
CN201911235971.3A 2019-12-05 2019-12-05 Many shower nozzles of aluminum alloy 3D printing device Active CN110732670B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911235971.3A CN110732670B (en) 2019-12-05 2019-12-05 Many shower nozzles of aluminum alloy 3D printing device

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Application Number Priority Date Filing Date Title
CN201911235971.3A CN110732670B (en) 2019-12-05 2019-12-05 Many shower nozzles of aluminum alloy 3D printing device

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CN110732670B true CN110732670B (en) 2021-09-17

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CN113085175B (en) * 2021-02-24 2023-06-02 华清智美(深圳)生物科技有限公司 Tubular 3D biological printing typical process platform device

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WO2014101020A1 (en) * 2012-12-26 2014-07-03 机械科学研究总院先进制造技术研究中心 Material increase manufacturing apparatus through multi-metal liquid spray deposition
CN103785833B (en) * 2014-01-24 2016-01-20 江苏理工学院 Multi-nozzle 3D printing device for aluminum alloy plates
CN104210106B (en) * 2014-09-04 2017-05-31 宁波高新区乐轩锐蓝智能科技有限公司 The printhead of the 3D printer of multiple print head, printing mechanism and 3D printer
CN106313536A (en) * 2015-06-15 2017-01-11 成都金采科技有限公司 3D printer with multi-directionally movable nozzles
CN204955449U (en) * 2015-09-01 2016-01-13 青岛尤尼科技有限公司 Multi -sprayer 3D printer
CN105269819B (en) * 2015-10-27 2017-10-03 青岛尤尼科技有限公司 A kind of multi-nozzle 3D printer and its collaboration Method of printing
CN205871231U (en) * 2016-07-12 2017-01-11 广州卫维智能科技有限公司 Removable shower nozzle and extension printing area's 3D printer
CN107738446A (en) * 2017-11-28 2018-02-27 成都汇丁科技有限公司 The 3D printer of multiple print head
CN207983996U (en) * 2018-02-09 2018-10-19 广州大学 A kind of 3D printing device being applicable in a variety of printing heads
CN207997573U (en) * 2018-02-22 2018-10-23 天津中研工业设计有限公司 A kind of 3D printing equipment convenient for observation
CN108568967A (en) * 2018-07-18 2018-09-25 广东奥仕智能科技股份有限公司 The 3D printer of more nozzle printings
CN209552447U (en) * 2019-02-27 2019-10-29 东莞市三维三打印科技有限公司 A kind of FDM three-dimensional printer of multiple print head

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