CN104742368A - Printing head, three-dimensional forming equipment and printing method - Google Patents
Printing head, three-dimensional forming equipment and printing method Download PDFInfo
- Publication number
- CN104742368A CN104742368A CN201510098853.8A CN201510098853A CN104742368A CN 104742368 A CN104742368 A CN 104742368A CN 201510098853 A CN201510098853 A CN 201510098853A CN 104742368 A CN104742368 A CN 104742368A
- Authority
- CN
- China
- Prior art keywords
- printing
- nozzle
- plane
- distance
- adjusting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses a printing head, three-dimensional forming equipment and a printing method. The printing head comprises a printing nozzle; and a nozzle height regulating device which is arranged between the printing nozzle and a head transmission device and is used for regulating a distance between the printing nozzle and a printing plane. The three-dimensional forming equipment comprises a stand, a printing platform and a head transmission device, as well as the printing head, wherein the head transmission device is arranged in the stand; the printing head is arranged on the head transmission device and is capable of moving in a mode of being parallel to the printing platform under the driving of the head transmission device. By virtue of the nozzle height regulating device which is arranged between the printing nozzle and the head transmission device, the regulation of the distance between the printing nozzle and the printing plane is achieved in a printing process, so as to guarantee mechanical error compensation between the printing nozzle and the printing plane within a small range and to improve printing precision.
Description
Technical field
The present invention relates to three-dimensional printing technology, particularly a kind of printing head of stereo shaping equipment (such as three-dimensional printer), stereo shaping equipment and Method of printing.
Background technology
Three-dimensional (3D) printer is based on a kind of mathematical model file, and utilization can jointing material, is carried out the printer of constructed object by the mode successively printed.Be applied to the field such as Making mold, industrial design more and more widely.
In existing three-dimensional printer, be that shower nozzle is fixed on shifting axle, adopt between shower nozzle and shifting axle and be rigidly connected.In this kind of connected mode, use machinery location during owing to printing, and then the assembly machining of three-dimensional printer and the precision of assembling determine the precision of printing.Due to service wear, the assembly machining of three-dimensional printer and the precision of assembling can reduce gradually along with the use of three-dimensional printer, and then result in the reduction of printing precision, thus cause the yield rate of printed product to reduce, print cost increase and print quality under degradation problem.
Summary of the invention
In view of this, the invention provides a kind of sprinkler height adjusting device, stereo shaping equipment and Method of printing, with the distance regulating printing head and print between plane, compensate printing head and print machine error interior among a small circle between plane, to improve the precision of printing.
The technical scheme of the application is achieved in that
A kind of printing head, comprising:
Printing nozzle;
Nozzle height adjusting device, is arranged between described printing nozzle and nozzle actuator, in order to the distance adjusting described printing nozzle and print between plane.
Further, described nozzle height adjusting device comprises:
Spring and spring container cavity; Wherein,
Described spring is arranged in described spring container cavity, and one end of described spring is fixed in described spring container cavity, the other end of described spring is fixed on nozzle actuator, the distance being controlled described printing nozzle by the screen resilience of described spring and printed between plane.
Further, described nozzle height adjusting device is pressure-regulating device.
Further, described pressure-regulating device comprises:
Air bag, is arranged between described printing nozzle and described nozzle actuator;
Appendix; And,
Pneumatic adjusting mechanism, is connected to described air bag by described appendix, in order to regulate the air pressure in described air bag, thus the distance controlling described printing nozzle and print between plane.
Further, described pressure-regulating device comprises:
Hydraulic cylinder, is arranged between described printing nozzle and described nozzle actuator;
Woven hose; And,
Hydraulic pump, is connected to described hydraulic cylinder by described woven hose, in order to regulate the flexible of described hydraulic cylinder, thus the distance controlling described printing nozzle and print between plane.
Further, adopt between described printing nozzle with described nozzle height adjusting device and be threaded.
A kind of stereo shaping equipment, comprises frame, print platform and nozzle actuator, also comprises the printing head as above described in any one, wherein,
Described nozzle actuator is installed in described frame;
Described printing head is installed on described nozzle actuator, and under the driving of described nozzle actuator, is parallel to described print platform and moves.
A kind of Method of printing, adopts the printing head as above described in any one, comprising:
Utilize described nozzle height adjusting device that described printing nozzle and the distance printed between plane are adjusted to optimal printing height, to print;
In print procedure, printed material arrives the feed end of described printing nozzle through described nozzle height adjusting device from described nozzle actuator in conveying pipeline printing, and enter printing nozzle from the feed end of described printing nozzle, and then export from the discharge end of described printing nozzle and be coated on printing plane.
Further, described method also comprises:
In print procedure, when distance between the discharge end and printing plane of described printing nozzle is greater than described optimal printing height, described nozzle height adjusting device applies downward active force to described printing nozzle, makes described printing nozzle come back to optimal printing height with the distance printing plane.
Further, described method also comprises:
In print procedure, when distance between the discharge end and described printing plane of described printing nozzle is less than described optimal printing height, described nozzle height adjusting device applies active force upwards to described printing nozzle, makes described printing nozzle come back to optimal printing height with the distance printing plane.
As can be seen from such scheme, printing head of the present invention, stereo shaping equipment and Method of printing, by being installed on the nozzle height adjusting device between printing nozzle and nozzle actuator, achieve in print procedure the adjustment of described printing nozzle with the spacing of printing plane, ensure that the compensation of machine error interior among a small circle between printing nozzle and printing plane, improve the precision of printing.
Accompanying drawing explanation
Fig. 1 is printing head schematic diagram provided by the invention;
Fig. 2 is the schematic perspective view of printing head first embodiment of the present invention;
Fig. 3 is the schematic cross-section of printing head first embodiment of the present invention;
Fig. 4 is printing head second embodiment schematic diagram of the present invention;
Fig. 5 is printing head of the present invention 3rd embodiment schematic diagram.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, to develop simultaneously embodiment referring to accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, printing head of the present invention comprises printing nozzle 1 and nozzle height adjusting device 2.Wherein, described nozzle height adjusting device 2 is arranged between printing nozzle 1 and nozzle actuator 3, in order to the distance adjusting described printing nozzle 1 and print between plane 4.Described printing head also comprises printing conveying pipeline 6, and described printing conveying pipeline 6 is connected to the feed end 12 of described printing nozzle 1, and in described nozzle height adjusting device 2, extends into described nozzle actuator 3, so that printed material 5 is transported to printing nozzle 1.The discharge end 11 of printing nozzle 1 is near printing plane 4.
When printing, under the driving of described nozzle actuator 3, nozzle height adjusting device 2 is parallel to described printing plane 4 and moves, and then drives printing nozzle 1 to be parallel to described printing plane 4 and to move.Meanwhile, printed material 5 sprays and is attached to and prints plane 4 and then complete printing from described printing nozzle 1.
In the present invention, the distance adjusting described printing nozzle 1 by nozzle height adjusting device 2 and print between plane 4.And then can realize when long-time use adjusting printing head 1 and the distance printed between plane 4, achieve printing head and the compensation printing machine error interior among a small circle between plane, improve the precision of printing.
Fig. 2, Fig. 3 are the first example structure schematic diagram of printing head of the present invention.Wherein, be threaded between described printing nozzle 1 with described nozzle height adjusting device 2.Particularly, described printing nozzle 1 has the external screw thread 13 be connected with described nozzle height adjusting device 2; Described nozzle height adjusting device 2 has the internal thread 21 suitable with the external screw thread 13 of described printing nozzle 1; Described printing nozzle 1 screws the internal thread 21 suitable with the external screw thread 13 of described printing nozzle 1 in described nozzle height adjusting device 2 by its external screw thread 13.Described nozzle height adjusting device 2 comprises spring 22 and spring container cavity 23, and described nozzle height adjusting device 2 is installed on described nozzle actuator 3 (Fig. 2, Fig. 3 are not shown) by spring 22.Particularly, as shown in Figure 3, described nozzle height adjusting device 2 has spring container cavity 23 near the side of described nozzle actuator 3 (Fig. 2, Fig. 3 are not shown), described spring 22 is arranged in described spring container cavity 23, and one end of described spring 22 is fixed in described spring container cavity 23, the other end of described spring 22 is fixed on described nozzle actuator 3 (Fig. 2, Fig. 3 are not shown).Connection between the other end of described spring 22 and described nozzle actuator 3 can adopt rivet, or the identical connected mode of spring 22 and nozzle height adjusting device 2 can be adopted, such as have another spring container cavity at described nozzle actuator 3 with the junction of spring 22, the other end of described spring 22 is fixed in another spring container cavity described.
In first embodiment, the distance controlling the printing nozzle 1 in print procedure by the screen resilience of described spring 22 and print between plane 4, and then realize printing head and the compensation printing machine error interior among a small circle between plane.
In the embodiment of the present invention, described nozzle height adjusting device 2 can also be pressure-regulating device, is described as follows.
Figure 4 shows that the second example structure schematic diagram of printing head of the present invention.In second embodiment, the pressure-regulating device as nozzle height adjusting device 2 comprises air bag 7, appendix 8 and Pneumatic adjusting mechanism 9.Wherein, described air bag 7 is arranged between described printing nozzle 1 and described nozzle actuator 3; Described Pneumatic adjusting mechanism 9 is connected to described air bag 7 by described appendix 8, in order to regulate the air pressure in described air bag 7, thus the distance controlling described printing nozzle 1 and print between plane 4.
In second embodiment, when initially using, Pneumatic adjusting mechanism 9 gives air bag 7 one initial pressure by appendix 8, and then the distance controlled between described printing nozzle 1 and printing plane 4 is within the scope of optimum distance, in use, when printing nozzle 1 and the distance printed between plane 4 affect print quality beyond optimum distance scope, Pneumatic adjusting mechanism 9 regulates the pressure of air bag 7 by appendix 8, and then the distance controlled between described printing nozzle 1 and printing plane 4 keeps optimum distance scope again, and then realize compensating printing head and printing machine error interior among a small circle between plane, to improve the precision printed.
Figure 5 shows that the 3rd example structure schematic diagram of printing head of the present invention.In 3rd embodiment, the pressure-regulating device as nozzle height adjusting device 2 comprises hydraulic cylinder 7 ', woven hose 8 ' and hydraulic pump 9 '.Wherein, described hydraulic cylinder 7 ' is arranged between described printing nozzle 1 and described nozzle actuator 3; Described hydraulic pump 9 ' is connected to described hydraulic cylinder 7 ' by described woven hose 8 ', in order to regulate the flexible of described hydraulic cylinder 7 ', thus the distance controlling described printing nozzle 1 and print between plane 4.
In 3rd embodiment, when initially using, hydraulic pump 9 ' injects certain quantity of fluid (such as oil) by woven hose 8 ' to described hydraulic cylinder 7 ' is middle, and then the piston movement promoted in hydraulic cylinder 7 ' and control described printing nozzle 1 and the distance that prints between plane 4 within the scope of optimum distance, in use, when printing nozzle 1 and the distance printed between plane 4 affect print quality beyond optimum distance scope, hydraulic pump 9 ' regulates the liquid supply in described hydraulic cylinder 7 ' by woven hose 8 ', and then promote or pull the motion of the piston in hydraulic cylinder 7 ' again to keep optimum distance scope with the distance controlled between described printing nozzle 1 and printing plane 4, and then realize compensating printing nozzle 1 and printing machine error interior among a small circle between plane 4, to improve the precision printed.
In 3rd embodiment, hydraulic pump 9 ' and hydraulic cylinder 7 ' can with reference to the designs of existing hydraulic system, such as can with reference to the mechanical hydraulic system such as excavator, and by it, miniaturized and structure simplification is to design hydraulic pump in the 3rd embodiment and hydraulic cylinder.
The embodiment of the present invention additionally provides a kind of stereo shaping equipment, comprises frame, print platform and nozzle actuator, also comprises the printing head as above described in each embodiment.Wherein, described nozzle actuator is installed in described frame, and described printing head is installed on described nozzle actuator, and under the driving of described nozzle actuator, is parallel to described print platform and moves.
The embodiment of the present invention additionally provides a kind of Method of printing simultaneously, the printing head of each embodiment in employing, and the method comprises:
Utilize described nozzle height adjusting device that the distance between described printing nozzle and described printing plane is adjusted to optimal printing height, to print;
In print procedure, printed material arrives the feed end of described printing nozzle through nozzle height adjusting device from described nozzle actuator in conveying pipeline printing, and enter printing nozzle from the feed end of described printing nozzle, and then export from the discharge end of described printing nozzle and be coated on described printing plane.
Also comprise in method of the present invention:
In print procedure, when distance between the discharge end and described printing plane of described printing nozzle is greater than described optimal printing height, described nozzle height adjusting device applies downward active force to stating printing nozzle, makes described printing nozzle come back to optimal printing height with the distance printing plane.
In print procedure, when distance between the discharge end and described printing plane of described printing nozzle is less than described optimal printing height, described nozzle height adjusting device applies active force upwards to described printing nozzle, makes described printing nozzle come back to optimal printing height with the distance printing plane.
Printing head of the present invention, stereo shaping equipment and Method of printing, by being installed on the nozzle height adjusting device between printing nozzle and nozzle actuator, achieve in print procedure the adjustment of described printing nozzle with the spacing of printing plane, ensure that the compensation of machine error interior among a small circle between printing nozzle and printing plane, improve the precision of printing.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (10)
1. a printing head, is characterized in that, comprising:
Printing nozzle;
Nozzle height adjusting device, is arranged between described printing nozzle and nozzle actuator, in order to the distance adjusting described printing nozzle and print between plane.
2. printing head according to claim 1, is characterized in that, described nozzle height adjusting device comprises:
Spring and spring container cavity; Wherein,
Described spring is arranged in described spring container cavity, and one end of described spring is fixed in described spring container cavity, the other end of described spring is fixed on nozzle actuator, the distance being controlled described printing nozzle by the screen resilience of described spring and printed between plane.
3. printing head according to claim 1, is characterized in that, described nozzle height adjusting device is pressure-regulating device.
4. printing head according to claim 3, is characterized in that, described pressure-regulating device comprises:
Air bag, is arranged between described printing nozzle and described nozzle actuator;
Appendix; And,
Pneumatic adjusting mechanism, is connected to described air bag by described appendix, in order to regulate the air pressure in described air bag, thus the distance controlling described printing nozzle and print between plane.
5. printing head according to claim 3, is characterized in that, described pressure-regulating device comprises:
Hydraulic cylinder, is arranged between described printing nozzle and described nozzle actuator;
Woven hose; And,
Hydraulic pump, is connected to described hydraulic cylinder by described woven hose, in order to regulate the flexible of described hydraulic cylinder, thus the distance controlling described printing nozzle and print between plane.
6. printing head according to claim 1, is characterized in that, adopts and be threaded between described printing nozzle with described nozzle height adjusting device.
7. a stereo shaping equipment, comprises frame, print platform and nozzle actuator, it is characterized in that, also comprises the printing head as described in any one of claim 1 to 6, wherein,
Described nozzle actuator is installed in described frame;
Described printing head is installed on described nozzle actuator, and under the driving of described nozzle actuator, is parallel to described print platform and moves.
8. a Method of printing, adopts the printing head as described in any one of claim 1 to 6, comprising:
Utilize described nozzle height adjusting device that described printing nozzle and the distance printed between plane are adjusted to optimal printing height, to print;
In print procedure, printed material arrives the feed end of described printing nozzle through described nozzle height adjusting device from described nozzle actuator in conveying pipeline printing, and enter printing nozzle from the feed end of described printing nozzle, and then export from the discharge end of described printing nozzle and be coated on printing plane.
9. Method of printing according to claim 8, is characterized in that, described method also comprises:
In print procedure, when distance between the discharge end and printing plane of described printing nozzle is greater than described optimal printing height, described nozzle height adjusting device applies downward active force to described printing nozzle, makes described printing nozzle come back to optimal printing height with the distance printing plane.
10. Method of printing according to claim 8, is characterized in that, described method also comprises:
In print procedure, when distance between the discharge end and described printing plane of described printing nozzle is less than described optimal printing height, described nozzle height adjusting device applies active force upwards to described printing nozzle, makes described printing nozzle come back to optimal printing height with the distance printing plane.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510098853.8A CN104742368B (en) | 2015-03-06 | 2015-03-06 | A kind of printing head, stereo shaping equipment and Method of printing |
| TW104122600A TWI616317B (en) | 2015-03-06 | 2015-07-13 | Printing head, three dimensions prototyping device and printing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510098853.8A CN104742368B (en) | 2015-03-06 | 2015-03-06 | A kind of printing head, stereo shaping equipment and Method of printing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104742368A true CN104742368A (en) | 2015-07-01 |
| CN104742368B CN104742368B (en) | 2017-09-08 |
Family
ID=53582896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510098853.8A Active CN104742368B (en) | 2015-03-06 | 2015-03-06 | A kind of printing head, stereo shaping equipment and Method of printing |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104742368B (en) |
| TW (1) | TWI616317B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105235220A (en) * | 2015-11-16 | 2016-01-13 | 南昌航空大学 | Gas-aid extrusion head of fused deposition modeling (FDM) 3D printer |
| CN105643930A (en) * | 2015-07-30 | 2016-06-08 | 河南仕必得电子科技有限公司 | Extending-and-contracting type nozzle for 3D printer |
| CN106274058A (en) * | 2016-08-03 | 2017-01-04 | 嘉兴学院 | The jetting height error compensating method that large area micro-nano structure electrohydrodynamics prints |
| CN106881239A (en) * | 2017-03-29 | 2017-06-23 | 成都中机盈科科技有限公司 | A kind of coating coating unit |
| CN107029938A (en) * | 2017-03-29 | 2017-08-11 | 成都中机盈科科技有限公司 | A kind of dope applying method |
| CN108394098A (en) * | 2018-04-28 | 2018-08-14 | 广东电网有限责任公司 | A kind of 3D printing device for print circuit |
| CN109311305A (en) * | 2016-06-14 | 2019-02-05 | 耐克创新有限合伙公司 | Spring-loaded nozzle assembly |
| CN110759726A (en) * | 2019-10-25 | 2020-02-07 | 北京科技大学 | Method for preparing porous ceramic support surface coating through 3D printing |
| CN112373025A (en) * | 2020-09-10 | 2021-02-19 | 扬州工业职业技术学院 | Compound 3D printer of many shower nozzles of integration |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110430990B (en) * | 2017-03-14 | 2021-10-22 | 昕诺飞控股有限公司 | Printer unit and method for 3D printing device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201111507Y (en) * | 2007-09-17 | 2008-09-10 | 杨建忠 | Air bag type material storing box elevating gear |
| CN201272100Y (en) * | 2008-09-19 | 2009-07-15 | 肖昆 | Anti-collision apparatus for printer head of inkjet printer |
| CN201384994Y (en) * | 2009-04-07 | 2010-01-20 | 北京殷华激光快速成形与模具技术有限公司 | Automatic heightening nozzle |
| CN201439209U (en) * | 2009-07-21 | 2010-04-21 | 上海烟草（集团）公司 | Cutter module adjusting platform for package printing machine |
| CN103332500A (en) * | 2013-06-04 | 2013-10-02 | 华中科技大学 | Pipeline air cushion conveyor |
| CN103878976A (en) * | 2014-03-07 | 2014-06-25 | 济南大学 | Portable 3D printer based on FDM technology |
| CN104085111A (en) * | 2014-07-11 | 2014-10-08 | 东莞中国科学院云计算产业技术创新与育成中心 | Multi-nozzle 3D printer and method for controlling speed and precision of multi-nozzle 3D printer |
| CN104228069A (en) * | 2014-07-24 | 2014-12-24 | 苏州江南嘉捷机电技术研究院有限公司 | Dual-head 3D printer capable of rotatably switching printing heads |
| CN104249456A (en) * | 2014-08-28 | 2014-12-31 | 合肥斯科尔智能科技有限公司 | Rapid color three-dimensional printer |
| CN104309129A (en) * | 2014-11-03 | 2015-01-28 | 英华达（上海）科技有限公司 | Shower nozzle adjusting device and method and three-dimensional shaping equipment and method |
-
2015
- 2015-03-06 CN CN201510098853.8A patent/CN104742368B/en active Active
- 2015-07-13 TW TW104122600A patent/TWI616317B/en active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201111507Y (en) * | 2007-09-17 | 2008-09-10 | 杨建忠 | Air bag type material storing box elevating gear |
| CN201272100Y (en) * | 2008-09-19 | 2009-07-15 | 肖昆 | Anti-collision apparatus for printer head of inkjet printer |
| CN201384994Y (en) * | 2009-04-07 | 2010-01-20 | 北京殷华激光快速成形与模具技术有限公司 | Automatic heightening nozzle |
| CN201439209U (en) * | 2009-07-21 | 2010-04-21 | 上海烟草（集团）公司 | Cutter module adjusting platform for package printing machine |
| CN103332500A (en) * | 2013-06-04 | 2013-10-02 | 华中科技大学 | Pipeline air cushion conveyor |
| CN103878976A (en) * | 2014-03-07 | 2014-06-25 | 济南大学 | Portable 3D printer based on FDM technology |
| CN104085111A (en) * | 2014-07-11 | 2014-10-08 | 东莞中国科学院云计算产业技术创新与育成中心 | Multi-nozzle 3D printer and method for controlling speed and precision of multi-nozzle 3D printer |
| CN104228069A (en) * | 2014-07-24 | 2014-12-24 | 苏州江南嘉捷机电技术研究院有限公司 | Dual-head 3D printer capable of rotatably switching printing heads |
| CN104249456A (en) * | 2014-08-28 | 2014-12-31 | 合肥斯科尔智能科技有限公司 | Rapid color three-dimensional printer |
| CN104309129A (en) * | 2014-11-03 | 2015-01-28 | 英华达（上海）科技有限公司 | Shower nozzle adjusting device and method and three-dimensional shaping equipment and method |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105643930A (en) * | 2015-07-30 | 2016-06-08 | 河南仕必得电子科技有限公司 | Extending-and-contracting type nozzle for 3D printer |
| CN105235220A (en) * | 2015-11-16 | 2016-01-13 | 南昌航空大学 | Gas-aid extrusion head of fused deposition modeling (FDM) 3D printer |
| CN109311305B (en) * | 2016-06-14 | 2021-10-15 | 耐克创新有限合伙公司 | Spring-loaded nozzle assembly |
| CN109311305A (en) * | 2016-06-14 | 2019-02-05 | 耐克创新有限合伙公司 | Spring-loaded nozzle assembly |
| CN106274058A (en) * | 2016-08-03 | 2017-01-04 | 嘉兴学院 | The jetting height error compensating method that large area micro-nano structure electrohydrodynamics prints |
| CN106881239B (en) * | 2017-03-29 | 2019-01-11 | 扬州市弘大新材料有限公司 | A kind of coating coating unit |
| CN107029938A (en) * | 2017-03-29 | 2017-08-11 | 成都中机盈科科技有限公司 | A kind of dope applying method |
| CN107029938B (en) * | 2017-03-29 | 2019-03-26 | 湖南阳光新材料有限公司 | A kind of dope applying method |
| CN106881239A (en) * | 2017-03-29 | 2017-06-23 | 成都中机盈科科技有限公司 | A kind of coating coating unit |
| CN108394098A (en) * | 2018-04-28 | 2018-08-14 | 广东电网有限责任公司 | A kind of 3D printing device for print circuit |
| CN110759726A (en) * | 2019-10-25 | 2020-02-07 | 北京科技大学 | Method for preparing porous ceramic support surface coating through 3D printing |
| CN110759726B (en) * | 2019-10-25 | 2020-11-27 | 北京科技大学 | Method for preparing porous ceramic support surface coating through 3D printing |
| CN112373025A (en) * | 2020-09-10 | 2021-02-19 | 扬州工业职业技术学院 | Compound 3D printer of many shower nozzles of integration |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104742368B (en) | 2017-09-08 |
| TW201632363A (en) | 2016-09-16 |
| TWI616317B (en) | 2018-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104742368A (en) | Printing head, three-dimensional forming equipment and printing method | |
| CN105050731A (en) | Metering valve and metering method | |
| KR20140074974A (en) | Liquid material discharge apparatus and method | |
| CN101722135B (en) | Glue feeding device | |
| JP2019504620A (en) | Bioprinter spray head assembly and bioprinter | |
| CN104249456A (en) | Rapid color three-dimensional printer | |
| CN103657958A (en) | Glue gun | |
| EP3421142B1 (en) | Liquid material discharge device comprising booster circuit | |
| CN104494151A (en) | Hydraulic extruding material supplying system and hydraulic extruding material supplying method for 3D bioprinting | |
| CN105327835A (en) | Piezoelectric series plunger jet dispensing device | |
| US20180071766A1 (en) | Droplet discharge device | |
| EP2865461B1 (en) | Injection device | |
| CN105665177B (en) | Automatic spraying machine | |
| CN107670898A (en) | A kind of adjustable accurate control coating machine of coating method | |
| CN204658948U (en) | A kind of 3D printer based on Cartesian coordinate frame | |
| CN208214333U (en) | Printer ink cartridge and printing equipment | |
| CN108790145A (en) | A kind of scalable double nozzle FDM-3D printer head components of electromagnetism manipulation | |
| US20150165522A1 (en) | Injection apparatus | |
| CN110819987B (en) | Powder feeding device for laser cladding machine | |
| US10294929B2 (en) | Liquid supply device | |
| CN205291566U (en) | Double -barrelled mouthful of infusion bag's welding mould and welding set | |
| CN102803746A (en) | Arrangement for controlling the position of a device with a fluid pressure-driven piston-cylinder arrangement | |
| CN217550267U (en) | Novel self-contained recoil gun rack | |
| CN205916410U (en) | Packagine machine rubber coating device | |
| CN101652574A (en) | Position-controlled or pressure-controlled device for the hydraulic positioning of components |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |