CN108145969B - Fuse deposition 3D prints intelligent rubber coating device - Google Patents
Fuse deposition 3D prints intelligent rubber coating device Download PDFInfo
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- CN108145969B CN108145969B CN201810122399.9A CN201810122399A CN108145969B CN 108145969 B CN108145969 B CN 108145969B CN 201810122399 A CN201810122399 A CN 201810122399A CN 108145969 B CN108145969 B CN 108145969B
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- glue
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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
Abstract
The invention discloses a fuse deposition 3D printing intelligent gluing device, which has the main functions that the speed of glue discharging can be controlled, the glue discharging is accurately controlled by stopping when the machine stops and starting when the machine starts to glue, the precision is the key reason that the speed of a spiral extrusion rod is controlled by a gearbox, the speed of the glue discharging amount can be strictly controlled, under the condition that the thread edge at the lower end of the spiral extrusion rod is precisely attached to the inner pipe wall of a spray head, glue material flows downwards rarely when the machine stops rotating, and the glue discharging can be accurately controlled by controlling the speed of the spiral extrusion rod according to the types of objects and glue materials to be printed when the machine is started.
Description
Technical Field
The invention relates to the technical field of processes of 3D printing and forging dies, in particular to a fuse deposition 3D printing intelligent gluing device.
Background
The fused deposition modeling adopts a hot melt nozzle, so that a material in a semi-flow state is extruded and deposited at a specified position for solidification molding according to a path controlled by CAD hierarchical data, and a whole prototype or part is formed after layer-by-layer deposition and solidification.
One showerhead is used to deposit the pattern material and one showerhead is used to deposit the support material. Generally speaking, the material filament of the model material is fine and has higher cost, the deposition efficiency is lower, the supporting material filament is thicker and has lower cost, the deposition efficiency is higher, the double-nozzle has the advantages of higher deposition efficiency and lower model manufacturing cost in the deposition process, and can flexibly select the supporting with special performance so as to facilitate the removal of the supporting in the post-treatment process, such as water-soluble material, hot-melt material lower than the melting point of the model material and the like.
The invention mainly solves the problem that the spraying of the glue material of the 3D printer nozzle is unstable, and the conditions of glue breaking, different glue layer thicknesses and glue head residual glue blockage often occur.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a programmed, stable and accurate glue supply spraying device which can protect a spray head to the maximum extent, ensure the spraying quality and clean a glue feeding pipe at any time.
The invention solves the technical problems through the following technical means:
a fuse deposition 3D printing intelligent gluing device comprises a driving box, a spray head and a rubber delivery pipe; the wire feeding device comprises a driving box, a wire feeding compression roller and a wire feeding compression roller, wherein the driving box is a box body, a motor is installed in the driving box, a gearbox is installed on one side of the motor, a driving shaft is installed between the motor and the gearbox, and the wire feeding compression roller is installed on the other side;
the sprayer comprises a pipe part with a circular tubular upper end and a nozzle part with a convex lower end, wherein the upper end of the sprayer is provided with a bearing part, the lower end of the bearing part is integrally connected with the upper end of the sprayer, the upper end of the bearing part is riveted with the lower side wall of a driving box, a coaxial cylindrical hole is arranged inside the bearing part, the lower end of the cylindrical hole is communicated with a cavity inside the sprayer, the upper end of the cylindrical hole is communicated with the inside of the box body of the driving box, a spiral extrusion rod is arranged inside the sprayer and comprises an upper end rod part and a lower end spiral part, the spiral part is arranged in the pipe part of the sprayer, the rod part penetrates through the cylindrical hole, the upper end of the rod part is connected with the gearbox, and the thread edge of the spiral part;
the upper end of the nozzle pipe part is provided with a glue inlet, a wire inlet is arranged right below the wire feeding compression roller, and the rubber feeding pipe is arranged between the glue inlet and the wire inlet.
Preferably, the wire feeding compression roller comprises a driving roller and a driven roller, the driving roller and the driven roller are installed just opposite to each other, a roller shaft of the driving roller is fixed on the side wall of the motor, and a transmission strip is arranged between the motor and the driving roller.
Preferably, two supporting rods and a sliding groove are arranged between the driven roller and the inner wall of the box body of the driving box, one end of each supporting rod is movably connected with a roller shaft of the driven roller, the other end of each supporting rod is clamped in the sliding groove, one end of each supporting rod clamped in the sliding groove is in sliding fit with the sliding groove, a spring is arranged between the two supporting rods, and the sliding groove is fixedly arranged on the side wall of the box body of the driving box.
Preferably, install first heating copper sheet in the pipe wall of shower nozzle pipe portion, first heating copper sheet is the tubulose, first heating copper sheet is held the inside appearance chamber cover of shower nozzle inside the tubulose body, still install the vacuum heat preservation on the outer wall of shower nozzle pipe portion, the vacuum heat preservation is the tubulose, the vacuum heat preservation includes interior body and outer body, be the vacuum between interior body and the outer body, interior body and shower nozzle pipe portion outer wall paste and lean on.
Preferably, a tubular silica gel layer is arranged in the cylindrical hole in the bearing part, the inner pipe wall of the silica gel layer is attached to the outer wall of the rod part at the upper end of the spiral extrusion rod, and the outer pipe wall of the silica gel layer is bonded to the inner hole wall of the cylindrical hole.
Preferably, a funnel is arranged right below the wire feeding compression roller, an interface of the funnel is opposite to the wire feeding compression roller, and an outlet of the funnel is connected with the wire inlet.
Preferably, the surface of the rubber feeding pipe is wrapped with a second heating copper sheet, the surface of the second heating copper sheet is wrapped with a heat insulation layer, and the surface of the heat insulation layer is wrapped with a rubber leather sheath.
Preferably, send the rubber tube to be 1/4 circular-arcly, send the last port of rubber tube and advance jiao kou swing joint, send the lower extreme of rubber tube to install the nut, the jiao kou department of advancing of shower nozzle pipe portion is provided with the screw thread, send the lower extreme of rubber tube and the lateral wall threaded connection of shower nozzle pipe portion.
The invention has the advantages that: the main function of the invention is that it can control the speed of glue output, and at the same time, the machine stops glue, and starts glue coating, and accurately controls glue output, the key reason is its accuracy, the rotating speed of the screw extrusion rod is controlled by the gear box, the speed of glue output quantity can be strictly controlled, under the condition that the thread edge of the lower end of the screw extrusion rod is closely attached to the inner pipe wall of the spray head, there is very little glue material flowing down when the machine stops rotating, and when the machine is opened, the rotating speed of the screw extrusion rod is controlled according to the type of the object and glue material to be printed, and the glue output can be accurately controlled.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic view showing the connection between the driven roller and the inner wall of the driving box according to the present invention
Fig. 3 is a schematic structural view of the glue inlet of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present 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.
All references to up, down, left, right, front, back, inside, and outside, herein are made with respect to the reference shown in FIG. 1.
As shown in fig. 1: a fuse deposition 3D printing intelligent gluing device comprises a driving box 1, a spray head 2 and a rubber delivery pipe 3; the wire feeding device is characterized in that the driving box 1 is a box body, a motor 10 is installed in the driving box 1, a gearbox 11 is installed on one side of the motor 10, a driving shaft 12 is installed between the motor 10 and the gearbox 11, and a wire feeding compression roller is installed on the other side of the motor 10;
the main function of the motor 10 is to provide a power source, and the switching of the motor is strictly controlled by a computer program to drive the gearbox via the drive shaft 12.
The sprayer 2 comprises a pipe part with a circular pipe-shaped upper end and a nozzle part with a convex lower end, the upper end of the sprayer 2 is provided with an adapting part 4, the lower end of the adapting part 4 is integrally connected with the upper end of the sprayer 2, the upper end of the adapting part 4 is riveted with the lower side wall of the driving box 1, a coaxial cylindrical hole 40 is arranged inside the adapting part 4, the lower end of the cylindrical hole 40 is communicated with an inner cavity of the sprayer 2, the upper end of the cylindrical hole 40 is communicated with the inside of the box body of the driving box 1, a spiral extrusion rod 5 is arranged inside the sprayer 2, the spiral extrusion rod 5 comprises an upper end rod part 51 and a lower end spiral part 52, the spiral part 52 is arranged in the pipe part of the sprayer 2, the rod part 51 penetrates through the cylindrical hole 40, the upper end of the rod part 51 is connected with the gearbox 11, and the thread edge;
the upper end of 2 pipe portions of shower nozzle is provided with into jiao kou 21, send and be provided with into silk mouth 13 under the compression roller, it sets up on the lower lateral wall of drive case 1 box to advance silk mouth 13, advance to glue mouthful 21 and advance and install between the silk mouth 13 send rubber tube 3.
The receiving part 4 is mainly used for connecting the spray head 2 with the driving box 1, meanwhile, the receiving part 4 belongs to one part of the spray head, the spray head 2 is riveted on the driving box 1 together in the installation process, the spray head 2 can be replaced at any time when being damaged, the spray head 2 and the driving box 1 are not integrated, and the damage of the spray head 2 does not influence the continuous use of the driving box 1.
The spiral extrusion rod 5 is driven through the action of the gearbox 11 to extrude and discharge sizing materials in the spray head 2 in order, wherein the spiral edge at the lower end of the spiral extrusion rod 5 is attached to the side wall of the inner cavity of the spray head 2, so that the sizing materials adhered to the side wall can be extruded conveniently, a common spray head of a 3D printer is not provided with a threaded rod, and under the condition that the threaded rod is arranged, the spiral extrusion rod 5 is similar to the threaded rod, but the groove of a threaded part is larger and deeper; not only can extrude the sizing material, clear up the sizing material of shower nozzle inner wall simultaneously, the general nature of sizing material is that viscidity is great, and it is great to remain the volume in the shower nozzle of printer, influences going on of printing next time, and the clearance is troublesome moreover, under the condition of machine dwell time overlength, still probably leads to the sizing material to plug up the condition of nozzle.
The main function of the invention is that the speed of glue discharging can be controlled, the glue discharging can be accurately controlled by stopping when the machine stops and coating when the machine starts, the key reason is the accuracy of the glue discharging, the rotating speed of the spiral extrusion rod 5 is controlled by the gear box 11, the speed of the glue discharging amount can be strictly controlled, under the condition that the thread edge at the lower end of the spiral extrusion rod 5 is precisely attached to the inner pipe wall of the spray head 2, the glue material flows downwards rarely when the machine stops, and the rotating speed of the spiral extrusion rod 5 can be accurately controlled according to the type of the object to be printed and the glue material when the machine is started.
The wire feeding compression roller comprises a driving roller 6 and a driven roller 7, the driving roller 6 and the driven roller 7 are installed just right, a roller shaft of the driving roller 6 is fixed on the side wall of the motor 10, and a transmission strip 61 is arranged between the motor 10 and the driving roller 6.
The driving strip 61 is used for driving the driving roll, the power of the driving strip 61 is also the source motor 10, the motor simultaneously drives and controls the spiral extrusion rod 5, and drives the driving strip 61, namely, the speed of feeding the rubber threads is controlled while the spraying speed of the rubber materials is controlled, the synchronous operation is carried out, the condition that the cavity of the spray head 2 is full of rubber and overflows due to the high speed of feeding the rubber materials is prevented, and the problem that the rubber materials cannot be supplied due to the too low speed of feeding the rubber materials is avoided.
As shown in fig. 2: two supporting rods 71 and a sliding groove 72 are arranged between the driven roller 7 and the inner wall of the box body of the driving box 1, one ends of the two supporting rods 71 are respectively movably connected with a roller shaft 73 of the driven roller 7, the other ends of the two supporting rods 71 are clamped in the sliding groove 72, one end of each supporting rod 71, clamped in the sliding groove 72, is in sliding fit with the sliding groove 72, a spring 74 is arranged between the two supporting rods 71, and the sliding groove 72 is fixedly arranged on the side wall of the box body of the driving box 1.
It should be noted here that the connection between the supporting rod 71 and the roller shaft 73 of the driven roller 7 is movable, which means that the roller shaft 73 of the driven roller 7 can freely roll at one end of the supporting rod 71, the lower end of the supporting rod 71 is in sliding fit with the sliding groove 72, and a certain elastic interference effect is provided between the driving roller 6 and the driven roller 7 through the stretching effect of the spring 74 between the supporting rods 71, so that the friction force between the wire drawing and the pressing roller is improved, the occurrence of wire sliding can be prevented, and the accuracy of wire feeding is improved.
Install first heating copper sheet 22 in the pipe wall of 2 pipe portions of shower nozzle, first heating copper sheet 22 is the tubulose, first heating copper sheet 22 holds the inside appearance chamber cover of shower nozzle 2 inside the siphonozooid, still install vacuum heat preservation 23 on the outer wall of 2 pipe portions of shower nozzle, vacuum heat preservation 23 is the tubulose, vacuum heat preservation 23 includes interior body and outer body, be the vacuum between interior body and the outer body, interior body and shower nozzle pipe portion outer wall paste and lean on.
The first heating copper sheet 22 is arranged in the spray head 2, the main function of the first heating copper sheet 22 is heating and heat preservation, the heat preservation temperature of the spray head 2 is adjusted according to the type of glue, when the temperature is lower than a certain value, the first heating copper sheet 22 is started to heat, when the temperature exceeds a certain value, the first heating copper sheet 22 stops heating, and heat preservation is carried out under the synergistic effect of the vacuum heat preservation layer, so that the glue in the spray head 2 is always in a liquid state with good fluidity, and the stable heating temperature of the first heating copper sheet 22 can be adjusted according to the type of the glue, and can be intelligently adjusted and controlled.
The cylindrical hole 40 in the bearing part 4 is provided with a tubular silica gel layer 41, the inner pipe wall of the silica gel layer 41 is attached to the outer wall of the rod part 51 at the upper end of the screw extrusion rod 5, and the outer pipe wall of the silica gel layer 41 is bonded to the inner hole wall of the cylindrical hole 40.
The main function of the silicone layer 41 is to make the upper end of the nozzle 2 have good sealing performance, and lubricating oil needs to be added between the rod part 51 of the screw extrusion rod 5 and the silicone layer 41 to improve the lubricating performance.
A funnel 8 is arranged under the wire feeding compression roller, the interface of the funnel 8 is opposite to the wire feeding compression roller, and the outlet of the funnel is connected with the wire inlet 13. The funnel can improve the accuracy of advancing the silk, makes to glue the head and can accurately aim at into the silk mouth.
As shown in fig. 3: the surface of the rubber feeding pipe 3 is wrapped with a second heating copper sheet 31, the surface of the second heating copper sheet 31 is wrapped with a heat insulation layer 32, and the surface of the heat insulation layer 32 is wrapped with a rubber leather sheath 33.
The second copper heating sheet 31 is mainly used for heating the fusible adhesive filament, and has a larger heat value, unlike the first copper heating sheet 22, the reason why the second copper heating sheet 31 is not directly applied to the spray head 2 is as follows: the heating temperature of the second heating copper sheet 31 is high and is not easy to control, which often causes the situation that the glue material needs not to be melted over the head and not to be melted completely.
Send rubber tube 3 to be 1/4 circular-arcly, send the last port of rubber tube 3 and advance a 13 swing joint of silk mouth, nut 9 is installed to the lower extreme of sending rubber tube 3, the gluey mouth 21 department of advancing of 2 pipe portions of shower nozzle is provided with the screw thread, the lower extreme of sending rubber tube 3 and the lateral wall threaded connection of 2 pipe portions of shower nozzle.
The circular-arc rubber delivery pipe 3 can naturally flow molten rubber into the spray head 2, and meanwhile, when the spiral extrusion rod 5 extrudes, attraction force is generated inside the rubber delivery pipe 3, so that liquid molten rubber is promoted to enter the spray head 2, meanwhile, the rubber delivery pipe 3 is movably connected with the wire inlet 13, the lower end of the rubber delivery pipe is in threaded connection with the outer pipe wall of the spray head 2 through the nut 21, the rubber delivery pipe 3 can be taken down at will, then the rubber delivery pipe 3 is pulled off, the rubber delivery pipe 3 can be replaced at any time, and the rubber delivery pipe 3 is convenient to clean.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a fuse deposit 3D prints intelligent rubber coating device which characterized in that: comprises a driving box (1), a spray head (2) and a rubber delivery pipe (3); the wire feeding device is characterized in that the driving box (1) is a box body, a motor (10) is installed in the driving box (1), a gearbox (11) is installed on one side of the motor (10), a driving shaft (12) is installed between the motor (10) and the gearbox (11), and a wire feeding compression roller is installed on the other side of the motor (10);
the spray head (2) comprises an upper end circular tube-shaped tube part and a lower end convex mouth part, a bearing part (4) is arranged at the upper end of the spray head (2), the lower end of the bearing part (4) is integrally connected with the upper end of the spray head (2), the upper end of the bearing part (4) is riveted with the lower side wall of the drive box (1), a coaxial cylindrical hole (40) is arranged inside the bearing part (4), the lower end of the cylindrical hole (40) is communicated with the inner containing cavity of the spray head (2), the upper end of the cylindrical hole (40) is communicated with the inner part of the box body of the drive box (1), a spiral extrusion rod (5) is arranged inside the spray head (2), the spiral extrusion rod (5) comprises an upper end rod part (51) and a lower end spiral part (52), the spiral part (52) is arranged in the tube part of the spray head (2), the rod part (51) penetrates through the cylindrical hole (40), the upper end of the rod part (51, the thread edge of the spiral part (52) is attached to the inner wall of the pipe part of the spray head (2);
a glue inlet (21) is formed in the upper end of the pipe part of the spray head (2), a wire inlet (13) is formed right below the wire feeding compression roller, the wire inlet (13) is formed in the lower side wall of the box body of the driving box (1), and the rubber feeding pipe (3) is arranged between the glue inlet (21) and the wire inlet (13);
a first heating copper sheet (22) is installed in the pipe wall of the pipe part of the spray head (2), the first heating copper sheet (22) is in a tubular shape, an inner cavity of the spray head (2) is sleeved inside the tubular body through the first heating copper sheet (22), a vacuum heat-insulating layer (23) is further installed on the outer wall of the pipe part of the spray head (2), the vacuum heat-insulating layer (23) is in a tubular shape, the vacuum heat-insulating layer (23) comprises an inner pipe body and an outer pipe body, vacuum is formed between the inner pipe body and the outer pipe body, and the inner pipe body is attached to the outer wall of the pipe part of;
a tubular silica gel layer (41) is arranged in a cylindrical hole (40) in the bearing part (4), the inner wall of the silica gel layer (41) is attached to the outer wall of a rod part (51) at the upper end of the spiral extrusion rod (5), and the outer wall of the silica gel layer (41) is bonded to the inner hole wall of the cylindrical hole (40);
the surface of the rubber feeding pipe (3) is wrapped with a second heating copper sheet (31), the surface of the second heating copper sheet (31) is wrapped with a heat insulation layer (32), and the surface of the heat insulation layer (32) is wrapped with a rubber leather sleeve (33).
2. The fuse deposition 3D printing intelligent gluing device according to claim 1, characterized in that: the wire feeding compression roller comprises a driving roller (6) and a driven roller (7), the driving roller (6) and the driven roller (7) are installed just right, a roller shaft of the driving roller (6) is fixed on the side wall of the motor 10, and a transmission strip (61) is arranged between the motor (10) and the driving roller (6).
3. The fuse deposition 3D printing intelligent gluing device according to claim 2, characterized in that: be provided with two branch (71) and spout (72) between driven voller (7) and drive case (1) box inner wall, two the one end of branch (71) respectively with driven voller (7) roller (73) swing joint, two the other end block of branch (71) is in spout (72), one end and spout (72) sliding fit of branch (71) block in spout (72), two be provided with spring (74) between branch (71), spout (72) fixed mounting is on drive case (1) box lateral wall.
4. The fuse deposition 3D printing intelligent gluing device according to claim 1, characterized in that: a funnel (8) is arranged under the wire feeding compression roller, an interface of the funnel (8) is opposite to the wire feeding compression roller, and an outlet of the funnel is connected with the wire inlet (13).
5. The fuse deposition 3D printing intelligent gluing device according to claim 1, characterized in that: send rubber tube (3) to be 1/4 circular-arcly, send the last port and the silk mouth (13) swing joint of rubber tube (3), nut (9) are installed to the lower extreme of sending rubber tube (3), the glue mouth (21) department of advancing of shower nozzle (2) pipe portion is provided with the screw thread, send the lower extreme of rubber tube (3) and the lateral wall threaded connection of shower nozzle (2) pipe portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810122399.9A CN108145969B (en) | 2018-02-07 | 2018-02-07 | Fuse deposition 3D prints intelligent rubber coating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810122399.9A CN108145969B (en) | 2018-02-07 | 2018-02-07 | Fuse deposition 3D prints intelligent rubber coating device |
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| Publication Number | Publication Date |
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| CN108145969A CN108145969A (en) | 2018-06-12 |
| CN108145969B true CN108145969B (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810122399.9A Active CN108145969B (en) | 2018-02-07 | 2018-02-07 | Fuse deposition 3D prints intelligent rubber coating device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114713467B (en) * | 2022-04-25 | 2024-01-12 | 联伟汽车零部件(重庆)有限公司 | Self-rotation centering glue extruding gun |
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| US5705239A (en) * | 1992-08-11 | 1998-01-06 | E. Khashoggi Industries | Molded articles having an inorganically filled organic polymer matrix |
| CN203805321U (en) * | 2014-01-25 | 2014-09-03 | 东莞市瑞迪三维电子科技有限公司 | Machine head of 3D (3-dimensional) printer capable of realizing color printing and special printing wire rod for same |
| CN204955424U (en) * | 2015-07-29 | 2016-01-13 | 武汉奥尔克特科技有限公司 | A extrusion formula shower nozzle device for 3D printer |
| CN205238574U (en) * | 2015-10-29 | 2016-05-18 | 朱友爱 | 3D (three -dimensional) printer |
| CN106881865A (en) * | 2017-02-22 | 2017-06-23 | 施秀丽 | Molten copper infiltration 3D printing shower nozzle |
-
2018
- 2018-02-07 CN CN201810122399.9A patent/CN108145969B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5705239A (en) * | 1992-08-11 | 1998-01-06 | E. Khashoggi Industries | Molded articles having an inorganically filled organic polymer matrix |
| CN203805321U (en) * | 2014-01-25 | 2014-09-03 | 东莞市瑞迪三维电子科技有限公司 | Machine head of 3D (3-dimensional) printer capable of realizing color printing and special printing wire rod for same |
| CN204955424U (en) * | 2015-07-29 | 2016-01-13 | 武汉奥尔克特科技有限公司 | A extrusion formula shower nozzle device for 3D printer |
| CN205238574U (en) * | 2015-10-29 | 2016-05-18 | 朱友爱 | 3D (three -dimensional) printer |
| CN106881865A (en) * | 2017-02-22 | 2017-06-23 | 施秀丽 | Molten copper infiltration 3D printing shower nozzle |
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| CN108145969A (en) | 2018-06-12 |
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Inventor after: Wu Youkun Inventor after: Zhu Shouqin Inventor after: Cheng Yunjuan Inventor after: Shi Jiaquan Inventor before: Wu Youkun Inventor before: Zhu Shouqin Inventor before: Cheng Yunjuan Inventor before: Shi Jiaquan |