CN104742368B - A kind of printing head, stereo shaping equipment and Method of printing - Google Patents
A kind of printing head, stereo shaping equipment and Method of printing Download PDFInfo
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- CN104742368B CN104742368B CN201510098853.8A CN201510098853A CN104742368B CN 104742368 B CN104742368 B CN 104742368B CN 201510098853 A CN201510098853 A CN 201510098853A CN 104742368 B CN104742368 B CN 104742368B
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Abstract
The invention discloses a kind of printing head, stereo shaping equipment and Method of printing.The printing head includes：Printing nozzle；And be arranged between printing nozzle and nozzle actuator, the nozzle height adjusting apparatus to adjust distance between the printing nozzle and printing plane.The stereo shaping equipment includes frame, print platform and nozzle actuator, and the printing head；Wherein, the nozzle actuator is installed in frame；The printing head is installed on the nozzle actuator, and under the driving of the nozzle actuator, is moved parallel to the print platform.Nozzle height adjusting apparatus of the invention by being installed between printing nozzle and nozzle actuator, realize the adjustment to distance between the printing nozzle and printing plane in print procedure, the compensation of the machine error of a small range between printing nozzle and printing plane is ensure that, the precision of printing is improved.
Description
Technical field
The present invention relates to three-dimensional printing technology, more particularly to a kind of printing of stereo shaping equipment (such as three-dimensional printer)
Shower nozzle, stereo shaping equipment and Method of printing.
Background technology
Based on three-dimensional (3D) printer is a kind of mathematical model file, with can jointing material, pass through what is successively printed
Mode carrys out the printer of constructed object.The fields such as Making mold, industrial design are applied to more and more widely.
It is that shower nozzle is fixed on shifting axle in existing three-dimensional printer, uses and be rigidly connected between shower nozzle and shifting axle.
In this kind of connected mode, machinery positioning, and then the component machining and the essence of assembling of three-dimensional printer are used during due to printing
Degree determines the precision of printing.Due to service wear, the component machining of three-dimensional printer and the precision of assembling can be with three
Tie up the use of printer and gradually reduce, and then result in the reduction of printing precision, so as to cause the yield rate of printed product to drop
The problems such as low, printing cost increase and print quality decline.
The content of the invention
In view of this, the present invention provides a kind of sprinkler height adjusting apparatus, stereo shaping equipment and Method of printing, to adjust
The distance between printing head and printing plane, the machine error of a small range between compensation printing head and printing plane, with
Improve the precision of printing.
What the technical scheme of the application was realized in：
A kind of printing head, including：
Printing nozzle；
Nozzle height adjusting apparatus, is arranged between the printing nozzle and nozzle actuator, to adjust described beat
Nozzle is printed with printing the distance between plane.
Further, the nozzle height adjusting apparatus includes：
Spring and spring accommodating chamber；Wherein,
The spring is arranged in the spring accommodating chamber, and the spring accommodating chamber is fixed in one end of the spring
Interior, the other end of the spring is fixed on nozzle actuator, and the printing nozzle is controlled by the screen resilience of the spring
With printing the distance between plane.
Further, the nozzle height adjusting apparatus is pressure-regulating device.
Further, the pressure-regulating device includes：
Air bag, is arranged between the printing nozzle and the nozzle actuator；
Appendix；And,
Pneumatic adjusting mechanism, the air bag is connected to by the appendix, to adjust the air pressure in the air bag, from
And the printing nozzle is controlled with printing the distance between plane.
Further, the pressure-regulating device includes：
Hydraulic cylinder, is arranged between the printing nozzle and the nozzle actuator；
Woven hose；And,
Hydraulic pump, the hydraulic cylinder is connected to by the woven hose, to adjust the flexible of the hydraulic cylinder, so as to control
The printing nozzle is made with printing the distance between plane.
Further, use and be threadedly coupled between the printing nozzle and the nozzle height adjusting apparatus.
A kind of stereo shaping equipment, including frame, print platform and nozzle actuator, in addition to as above described in any one
Printing head, wherein,
The nozzle actuator is installed in the frame；
The printing head is installed on the nozzle actuator, and under the driving of the nozzle actuator, it is parallel
In print platform movement.
A kind of Method of printing, using the printing head described in as above any one, including：
The printing nozzle is adjusted to optimal with printing the distance between plane using the nozzle height adjusting apparatus
Printing height, to be printed；
In print procedure, printed material passes through the nozzle height in printing conveying pipeline from the nozzle actuator
Adjusting apparatus reaches the feed end of the printing nozzle, and enters printing nozzle, Jin Ercong from the feed end of the printing nozzle
The discharge end of the printing nozzle exports and is coated on printing plane.
Further, methods described also includes：
In print procedure, when discharge end and printing the distance between plane of the printing nozzle are more than described optimal beat
When printing height, the nozzle height adjusting apparatus applies downward active force to the printing nozzle so that the printing nozzle
Optimal printing height is come back to printing the distance of plane.
Further, methods described also includes：
In print procedure, when discharge end and described printing the distance between plane of the printing nozzle be less than it is described most
During good printing height, the nozzle height adjusting apparatus applies upward active force to the printing nozzle so that the printing
The distance of nozzle and printing plane comes back to optimal printing height.
From such scheme as can be seen that the present invention printing head, stereo shaping equipment and Method of printing, by being installed on
Nozzle height adjusting apparatus between printing nozzle and nozzle actuator, is realized in print procedure to the printing nozzle
The adjustment of distance between printing plane, it is ensured that the benefit of the machine error of a small range between printing nozzle and printing plane
Repay, improve the precision of printing.
Brief description of the drawings
The printing head schematic diagram that Fig. 1 provides for the present invention；
Fig. 2 is the schematic perspective view of the printing head first embodiment of the present invention；
Fig. 3 is the schematic cross-section of the printing head first embodiment of the present invention；
Fig. 4 is printing head second embodiment schematic diagram of the invention；
Fig. 5 is printing head 3rd embodiment schematic diagram of the invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, develop simultaneously embodiment referring to the drawings,
The present invention is described in further detail.
As shown in figure 1, the printing head of the present invention includes printing nozzle 1 and nozzle height adjusting apparatus 2.Wherein, it is described
Nozzle height adjusting apparatus 2 is arranged between printing nozzle 1 and nozzle actuator 3, to adjust the printing nozzle 1 and beat
Print the distance between plane 4.The printing head also includes printing conveying pipeline 6, and the printing conveying pipeline 6 is connected to the printing
The feed end 12 of nozzle 1, and the nozzle actuator 3 is extended into out of described nozzle height adjusting apparatus 2, will printing
Material 5 is transported to printing nozzle 1.The discharge end 11 of printing nozzle 1 is close to printing plane 4.
In printing, under the driving of the nozzle actuator 3, nozzle height adjusting apparatus 2 is parallel to the printing
Plane 4 is moved, and then drives printing nozzle 1 to be moved parallel to the printing plane 4.Meanwhile, printed material 5 sprays from the printing
Sprayed in mouth 1 and be attached to printing plane 4 and then complete printing.
In the present invention, the printing nozzle 1 is adjusted with printing the distance between plane 4 by nozzle height adjusting apparatus 2.
And then can be realized when long-time is used to the distance adjustment between printing head 1 and printing plane 4, realize to printing spray
The compensation of the machine error of a small range, improves the precision of printing between head and printing plane.
Fig. 2, Fig. 3 are the first embodiment structural representation of the printing head of the present invention.Wherein, the printing nozzle 1 with
It is threadedly coupled between the nozzle height adjusting apparatus 2.Specifically, the printing nozzle 1 has adjusts with the nozzle height
The external screw thread 13 that device 2 is connected；There is the nozzle height adjusting apparatus 2 external screw thread 13 with the printing nozzle 1 mutually to fit
The internal thread 21 matched somebody with somebody；The printing nozzle 1 screws being beaten with described in the nozzle height adjusting apparatus 2 by its external screw thread 13
The internal thread 21 that the external screw thread 13 of print nozzle 1 is adapted.The nozzle height adjusting apparatus 2 includes spring 22 and spring accommodating chamber
23, the nozzle height adjusting apparatus 2 is installed on the nozzle actuator 3 by spring 22 (Fig. 2, Fig. 3 are not shown).Specifically
Ground, as shown in figure 3, the nozzle height adjusting apparatus 2 is close to the side of the nozzle actuator 3 (Fig. 2, Fig. 3 are not shown)
With spring accommodating chamber 23, the spring 22 is arranged in the spring accommodating chamber 23, and one end of the spring 22 is fixed on
In the spring accommodating chamber 23, the other end of the spring 22 is fixed on the nozzle actuator 3 (Fig. 2, Fig. 3 are not shown).
Connection between the other end and the nozzle actuator 3 of the spring 22 can use rivet, or can using spring 22 with
The identical connected mode of nozzle height adjusting apparatus 2, for example, have another in the junction of the nozzle actuator 3 and spring 22
One spring accommodating chamber, the other end of the spring 22 is fixed in another spring accommodating chamber.
In first embodiment, the printing nozzle 1 in print procedure is controlled to be put down with printing by the screen resilience of the spring 22
The distance between face 4, and then realize the compensation to the machine error of a small range between printing head and printing plane.
In the embodiment of the present invention, the nozzle height adjusting apparatus 2 can also be pressure-regulating device, illustrate as
Under.
Fig. 4 show the second embodiment structural representation of the printing head of the present invention.In second embodiment, nozzle is used as
The pressure-regulating device of height adjuster 2 includes air bag 7, appendix 8 and Pneumatic adjusting mechanism 9.Wherein, the air bag 7
It is arranged between the printing nozzle 1 and the nozzle actuator 3；The Pneumatic adjusting mechanism 9 is connected by the appendix 8
The air bag 7 is connected to, to adjust the air pressure in the air bag 7, so as to control between the printing nozzle 1 and printing plane 4
Distance.
In second embodiment, initial in use, Pneumatic adjusting mechanism 9 gives the initially pressure of air bag 7 one by appendix 8
Power, and then the printing nozzle 1 is controlled with printing the distance between plane 4 in the range of optimum distance, in use, when
When printing nozzle 1 influences print quality with printing the distance between plane 4 beyond optimum distance scope, Pneumatic adjusting mechanism
9 adjust the pressure of air bag 7 by appendix 8, and then control the printing nozzle 1 to be protected again with printing the distance between plane 4
Optimum distance scope is held, and then realizes the machine error of a small range between compensation printing head and printing plane, is beaten with improving
The precision of print.
Fig. 5 show the 3rd embodiment structural representation of the printing head of the present invention.In 3rd embodiment, nozzle is used as
The pressure-regulating device of height adjuster 2 includes hydraulic cylinder 7 ', woven hose 8 ' and hydraulic pump 9 '.Wherein, the hydraulic cylinder 7 '
It is arranged between the printing nozzle 1 and the nozzle actuator 3；The hydraulic pump 9 ' is connected to by the woven hose 8 '
The hydraulic cylinder 7 ', to adjust the flexible of the hydraulic cylinder 7 ', so as to control between the printing nozzle 1 and printing plane 4
Distance.
In 3rd embodiment, initial in use, hydraulic pump 9 ' gives the hydraulic cylinder 7 ' middle injection one by woven hose 8 '
Quantitative liquid (such as oily), so promote piston movement in hydraulic cylinder 7 ' and control the printing nozzle 1 and printing plane 4 it
Between distance in the range of optimum distance, in use, when printing nozzle 1 and printing the distance between plane 4 beyond
Optimum distance scope and when influenceing print quality, hydraulic pump 9 ' passes through the liquid that woven hose 8 ' adjusted in the hydraulic cylinder 7 ' and supplied
Should, and then promote or pull the motion of the piston in hydraulic cylinder 7 ' to control between the printing nozzle 1 and printing plane 4
Distance keeps optimum distance scope again, and then realizes the machinery of a small range between compensation printing nozzle 1 and printing plane 4 by mistake
Difference, to improve the precision of printing.
In 3rd embodiment, hydraulic pump 9 ' and hydraulic cylinder 7 ' refer to the design of existing hydraulic system, for example, can join
Examine the mechanical hydraulic system such as excavator, minimized and structure simplification with design the hydraulic pump in 3rd embodiment with
And hydraulic cylinder.
The embodiment of the present invention additionally provides a kind of stereo shaping equipment, including frame, print platform and nozzle actuator,
Also include printing head as above described in each embodiment.Wherein, the nozzle actuator is installed in the frame, described
Printing head is installed on the nozzle actuator, and under the driving of the nozzle actuator, it is flat parallel to the printing
Platform is moved.
The embodiment of the present invention additionally provides a kind of Method of printing simultaneously, using the printing head of each upper embodiment, the party
Method includes：
The printing nozzle is adjusted to described the distance between the plane that prints using the nozzle height adjusting apparatus
Optimal printing height, to be printed；
In print procedure, printed material is adjusted in printing conveying pipeline from the nozzle actuator by nozzle height
Device reaches the feed end of the printing nozzle, and enters printing nozzle from the feed end of the printing nozzle, and then from described
The discharge end of printing nozzle exports and is coated on the printing plane.
Also include in the method for the present invention：
In print procedure, when discharge end and described printing the distance between plane of the printing nozzle be more than it is described most
During good printing height, the nozzle height adjusting apparatus applies downward active force to stating printing nozzle so that the printing spray
The distance of mouth and printing plane comes back to optimal printing height.
In print procedure, when discharge end and described printing the distance between plane of the printing nozzle be less than it is described most
During good printing height, the nozzle height adjusting apparatus applies upward active force to the printing nozzle so that the printing
The distance of nozzle and printing plane comes back to optimal printing height.
Printing head, stereo shaping equipment and the Method of printing of the present invention, is driven by being installed on printing nozzle with shower nozzle
Nozzle height adjusting apparatus between device, is realized in print procedure to distance between the printing nozzle and printing plane
Adjustment, it is ensured that printing nozzle and printing plane between a small range machine error compensation, improve the precision of printing.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.
Claims (6)
1. a kind of printing head, it is characterised in that including：
Printing nozzle；
Nozzle height adjusting apparatus, is arranged between the printing nozzle and nozzle actuator, to adjust the printing spray
Mouth is with printing the distance between plane；
Wherein, the nozzle height adjusting apparatus is pressure-regulating device, and the pressure-regulating device includes：
Air bag, is arranged between the printing nozzle and the nozzle actuator；
Appendix；And,
Pneumatic adjusting mechanism, the air bag is connected to by the appendix, to adjust the air pressure in the air bag, so as to control
The printing nozzle is made with printing the distance between plane.
2. printing head according to claim 1, it is characterised in that the printing nozzle is adjusted with the nozzle height and filled
Using threaded connection between putting.
3. a kind of stereo shaping equipment, including frame, print platform and nozzle actuator, it is characterised in that also including such as weighing
Profit requires the printing head described in 1 or 2, wherein,
The nozzle actuator is installed in the frame；
The printing head is installed on the nozzle actuator, and under the driving of the nozzle actuator, parallel to institute
State print platform movement.
4. a kind of Method of printing, using printing head as claimed in claim 1 or 2, including：
The printing nozzle is adjusted to optimal printing with printing the distance between plane using the nozzle height adjusting apparatus
Highly, to be printed；
In print procedure, printed material is adjusted in printing conveying pipeline from the nozzle actuator by the nozzle height
Device reaches the feed end of the printing nozzle, and enters printing nozzle from the feed end of the printing nozzle, and then from described
The discharge end of printing nozzle exports and is coated on printing plane.
5. Method of printing according to claim 4, it is characterised in that methods described also includes：
In print procedure, when the discharge end and the distance between printing plane of the printing nozzle are high more than the optimal printing
When spending, the nozzle height adjusting apparatus applies downward active force to the printing nozzle so that the printing nozzle is with beating
The distance of print plane comes back to optimal printing height.
6. Method of printing according to claim 4, it is characterised in that methods described also includes：
In print procedure, when discharge end and described printing the distance between plane of the printing nozzle are less than described optimal beat
When printing height, the nozzle height adjusting apparatus applies upward active force to the printing nozzle so that the printing nozzle
Optimal printing height is come back to printing the distance of 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 CN104742368A (en) | 2015-07-01 |
| CN104742368B true CN104742368B (en) | 2017-09-08 |
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| 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) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105643930B (en) * | 2015-07-30 | 2018-10-02 | 河南速维电子科技有限公司 | A kind of 3D printer telescopic spray nozzle |
| 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 |
| EP3468799B1 (en) * | 2016-06-14 | 2020-12-30 | NIKE Innovate C.V. | Spring-loaded nozzle assemblies |
| CN106274058B (en) * | 2016-08-03 | 2018-05-15 | 嘉兴学院 | The jetting height error compensating method of large area micro-nano structure electrohydrodynamics printing |
| JP7096265B2 (en) | 2017-03-14 | 2022-07-05 | シグニファイ ホールディング ビー ヴィ | Printer unit and method for 3D printing equipment |
| 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 |
| 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 |
| 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 |
| 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 |
| CN112373025B (en) * | 2020-09-10 | 2023-01-06 | 扬州工业职业技术学院 | Compound 3D printer of many shower nozzles of integration |
Family Cites Families (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 |
| CN103332500B (en) * | 2013-06-04 | 2016-02-03 | 华中科技大学 | A kind of Pipeline air cushion conveyor |
| CN103878976B (en) * | 2014-03-07 | 2015-12-09 | 济南大学 | Based on the portable 3D printer of FDM technology |
| CN104085111B (en) * | 2014-07-11 | 2017-04-19 | 东莞中国科学院云计算产业技术创新与育成中心 | Method for controlling printing speed and precision of multi-nozzle 3D printer |
| CN204109371U (en) * | 2014-07-24 | 2015-01-21 | 苏州江南嘉捷机电技术研究院有限公司 | A kind of double end 3D printer of rotatable switching printhead |
| CN104249456B (en) * | 2014-08-28 | 2018-01-26 | 芜湖林一电子科技有限公司 | A kind of Quick-type color three-dimensional printer |
| CN104309129B (en) * | 2014-11-03 | 2017-02-15 | 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
Also Published As
| Publication number | Publication date |
|---|---|
| TW201632363A (en) | 2016-09-16 |
| CN104742368A (en) | 2015-07-01 |
| TWI616317B (en) | 2018-03-01 |
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