CN103182840B - Micro injector type multi-spray-head three-dimensional printing machine - Google Patents
Micro injector type multi-spray-head three-dimensional printing machine Download PDFInfo
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- CN103182840B CN103182840B CN201110453282.7A CN201110453282A CN103182840B CN 103182840 B CN103182840 B CN 103182840B CN 201110453282 A CN201110453282 A CN 201110453282A CN 103182840 B CN103182840 B CN 103182840B
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Abstract
The invention discloses a micro injector type multi-spray-head three-dimensional printing machine which can simultaneously use various kinds of fluid materials to print work pieces. The micro injector type multi-spray-head three-dimensional printing machine is provided with an automatic feed system, can continuously work for a long time and can manufacture large work pieces formed by various materials. The technical scheme is that the three-dimensional printing machine comprises a plurality of injector type spray heads for injection, a plurality of injectors for storage, the feed system, a control system, a machine body, a work bench, a horizontal left-right moving mechanism, a movable beam and a computer controlling and driving system.
Description
Technical field
The present invention relates to a kind of three-dimensional printer, particularly relate to a kind of three-dimensional printer making shower nozzle by multiple micro-syringe.
Background technology
Three-dimensional printer is also called three-dimensional rapid forming machine, according to the workpiece Graph Control instruction that computer sends, " ink " wherein optionally can spray and be deposited on the workbench substrate of below by the shower nozzle of this printer, forms the ground floor X-Y scheme cross section of workpiece after " ink " rapid solidification.After this layer of shaping completes, shower nozzle rises a little layer height, carries out the shaping in second layer X-Y scheme cross section according to the similar procedure of ground floor, and this is stacked is added on last layer, and is bonded to each other and is integrated.So repeat two dimension to be from level to level shaped, until whole 3 D workpiece has been shaped.So-called " ink " is not limited to common typewriting and drawing ink, but any material changing fluidised form into, such as, can become the metal/ceramic particulate etc. of suspension (or colloid) after soluble material, fusible plastics, interpolation dispersant.
When making workpiece with three-dimensional printer, without the need to traditional cutting machine tool and tool and mould, under control of the computer, can direct forming 3D solid according to the three-dimensional CAD model of workpiece, thus the development of new product is applicable to very much, can greatly save man-hour and cost, be the high-new former of one given priority to now.
It is several that the shower nozzle that three-dimensional printer adopts mainly contains piezoelectric type, thermal bubble type, melt extruded formula and micro-syringe formula etc., wherein, piezoelectric type and thermal bubble type shower nozzle are suitable for spraying viscosity lower " ink ", melt extruded formula shower nozzle is suitable for spraying thermoplastic, and therefore the material scope of application of this several shower nozzle has larger restriction.Micro-syringe formula shower nozzle can adopt various fluidised form " ink ", and the scope of application of material does not almost limit, so extremely pay attention in recent years.But current micro-syringe formula three-dimensional printer only has a shower nozzle usually, and the finite volume of barrel, cannot continuous feeding, therefore can only study as the small workpiece forming test of homogenous material, the shaping be difficult to for multiple material and larger workpiece is produced.
Summary of the invention
The object of the invention is to solve the problem, provide a kind of micro-syringe formula many shower nozzles three-dimensional printer, simultaneously by multiple fluidised form file printing Forming Workpiece, and automatic feeding system can be provided with, can work long hours continuously incessantly, to make the large workpiece be made up of various material.
Technical scheme of the present invention is: present invention is disclosed a kind of micro-syringe formula many shower nozzles three-dimensional printer, comprising:
At least one syringe type shower nozzle sprayed, sprays fluidised form moulding material;
At least one syringe stored, stores fluidised form moulding material;
Feeding system, connects at least one syringe type shower nozzle sprayed described, to described syringe type shower nozzle supply fluidised form moulding material;
Control system, controls the injection action of described syringe type shower nozzle;
Fuselage, for carrying described micro-syringe formula many shower nozzles three-dimensional printer;
Workbench, is in the below of described syringe type shower nozzle, is connected with described fuselage, for carrying Forming Workpiece, and can move by relatively described fuselage anterior-posterior horizontal;
Horizontal side-to-side movement mechanism, is connected with described syringe type shower nozzle, for driving the relatively described workbench side-to-side movement in the horizontal direction of described syringe type shower nozzle;
Moved cross beam, is connected with described fuselage, for carrying described syringe type shower nozzle, and the vertically relatively described fuselage of described syringe type shower nozzle is moved up and down;
Computer controls and drive system, for automatic control and the driving of complete machine.
According to an embodiment of micro-syringe formula many shower nozzles three-dimensional printer of the present invention, the syringe type shower nozzle of described injection is micro syringe formula shower nozzle, and it comprises syringe needle, injection syringe, injection upper cover and injection sealing ring, wherein:
Described syringe needle, its upper end is connected with described syringe, as the outlet of described fluidised form moulding material;
Described injection syringe, its upper end is connected with described upper cover, for holding described fluidised form moulding material;
Described injection upper cover, its upper end is connected with described feeding system, for the connection of described injection syringe and described feeding system;
Described injection sealing ring, is positioned at the lower end of described injection upper cover, for the sealing of described injection syringe, prevents described fluidised form moulding material from leaking.
According to an embodiment of micro-syringe formula many shower nozzles three-dimensional printer of the present invention, the syringe of described storage is positioned at the top of the syringe type shower nozzle of described injection and is arranged side by side, the syringe of described storage comprises storage syringe, separator piston, storage upper cover, storage sealing ring, wherein:
Described storage syringe, its upper end is connected with described storage upper cover, for holding described fluidised form moulding material;
Described separator piston, is positioned at described storage syringe, for the isolation between the upper gas of described storage syringe and bottom fluidised form moulding material;
Described storage upper cover, its upper end is connected with described feeding system, for described storage connecting by syringe and described feeding system;
Described storage sealing ring, is positioned at the lower end of described storage upper cover, for the sealing of described storage syringe, prevents leakage of compressed gas.
According to an embodiment of micro-syringe formula many shower nozzles three-dimensional printer of the present invention, described feeding system comprises at least one hopper, multichannel trace peristaltic pump, at least one filter, at least one overflow valve, wherein:
At least one hopper described, is positioned at the starting point of described feeding system, for storing described fluidised form moulding material;
Described multichannel trace peristaltic pump, its import is connected with described hopper by feed pipe, its outlet is connected with described filter by described feed pipe, is delivered in described storage syringe and described injection syringe for making the described fluidised form moulding material in described hopper;
At least one filter described, its import is connected with described multichannel trace peristaltic pump by described feed pipe, and its outlet is connected with described storage syringe, described injection syringe with described overflow valve by described feed pipe;
Described overflow valve, its import is connected with described multichannel trace peristaltic pump by described feed pipe, its outlet is connected with described hopper, and when pressure in described feed pipe exceedes predetermined value, the port opening of described overflow valve, gets rid of fluidised form moulding material unnecessary in described feeding system.
According to an embodiment of micro-syringe formula many shower nozzles three-dimensional printer of the present invention, described control system is atmospheric control, comprises at least one solenoid directional control valve, at least one vent valve, at least one blows off syringe needle, at least one choke valve, wherein:
At least one solenoid directional control valve described, its import is connected with compressed gas source, and its outlet is connected by the syringe of air supply pipe with described storage, for controlling the break-make of the syringe of described compressed gas source and described storage;
At least one vent valve, its import is connected with the air inlet of the syringe of described storage, and its outlet is connected with air, for getting rid of the gas in the syringe of described storage;
At least one blows off syringe needle, towards the syringe needle of the syringe type shower nozzle of described injection, for blowing down hydrops and the dirt at described syringe needle place;
At least one choke valve, its import is connected with described atmospheric control by described air supply pipe, and its outlet is connected with the described syringe needle that blows off, and blows off air-flow for regulating.
According to an embodiment of micro-syringe formula many shower nozzles three-dimensional printer of the present invention, described workbench comprises servomotor, workbench ball-screw, workbench line slideway, wherein:
Described servomotor, according to the requirement of workpiece interface figure, drives the horizontal movement along the longitudinal direction of described workbench, changes the eject position of described shower nozzle;
Described workbench ball-screw, is transformed to rectilinear motion by the rotary motion of described servomotor;
Described workbench line slideway, for the precision guiding of described workbench anterior-posterior horizontal motion.
According to an embodiment of micro-syringe formula many shower nozzles three-dimensional printer of the present invention, described moved cross beam comprises stepper motor, moved cross beam ball-screw, moved cross beam line slideway, wherein:
Described stepper motor, moves up and down for driving described moved cross beam;
Described moved cross beam ball-screw, is transformed to rectilinear motion by the rotary motion of described stepper motor;
Described moved cross beam line slideway, for the precision guiding that described moved cross beam moves up and down.
The present invention contrasts prior art following beneficial effect: the solution of the present invention comprises the syringe type shower nozzle of multiple injection, the syringe of multiple storage, feeding system, control system, fuselage, workbench, horizontal side-to-side movement mechanism, moved cross beam and computer to control and drive system, compared to prior art, the present invention can simultaneously by multiple fluidised form file printing Forming Workpiece, and be provided with automatic feeding system, can work long hours continuously incessantly, to make the large workpiece be made up of various material.
Accompanying drawing explanation
Fig. 1 shows the structure chart of the embodiment of micro-syringe formula many shower nozzles three-dimensional printer of the present invention.
Fig. 2 shows the structure chart of the embodiment of purge apparatus of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 shows the structure chart of the embodiment of micro-syringe formula many shower nozzles three-dimensional printer of the present invention.Refer to Fig. 1, micro-syringe formula many shower nozzles three-dimensional printer of the present embodiment mainly comprises: the syringe type shower nozzle of multiple injection, the syringe of multiple storage, feeding system, atmospheric control, fuselage, workbench, horizontal side-to-side movement mechanism, moved cross beam, computer control and drive system.
The syringe type shower nozzle of injection is micro syringe formula shower nozzle, can spray fluidised form moulding material, comprises syringe needle 13,14,15,16, injection syringe 9,10,11,12, injection upper cover 1,2,3,4, and injection sealing ring 5,6,7,8 forms.The upper end of these syringe needles 13,14,15,16 is connected, as the outlet of fluidised form moulding material with corresponding injection syringe 9,10,11,12 respectively.The upper end of injection syringe 9,10,11,12 is connected with injection upper cover 1,2,3,4 respectively, for holding fluidised form moulding material.The upper end of injection upper cover 1,2,3,4 is connected with the feeder sleeve of feeding system, for the connection of syringe 9,10,11,12 and feeding system.Injection sealing ring 5,6,7,8 lays respectively at the lower end of injection upper cover 1,2,3,4, for the sealing of syringe 9,10,11,12, prevents fluidised form moulding material from leaking.
The syringe stored is positioned at the top of the syringe type shower nozzle sprayed and is arranged side by side, it comprises storage syringe 54,62,70,78, separator piston 53,61,69,77, stores with upper cover 51,59,67,75, stores with sealing ring 52,60,68,76.The storage upper end of syringe 54,62,70,78 is connected with storage upper cover 51,59,67,75, for holding fluidised form moulding material.Separator piston 53,61,69,77 lays respectively in storage syringe 54,62,70,78, for the isolation between the upper gas of storage syringe and bottom fluidised form moulding material.The upper end of storage upper cover 51,59,67,75 is connected with feeding system, for storage connecting by syringe and feeding system.Storage sealing ring 52,60,68,76 lays respectively at the lower end of storage upper cover 51,59,67,75, for the sealing of storage syringe, prevents leakage of compressed gas.
Feeding system comprise hopper 37,40,43,46, multichannel trace peristaltic pump 35, filter 19,23,27,31, overflow valve 21,25,29,33.Hopper 37,40,43,46 is positioned at the starting point of feeding system, for storing fluidised form moulding material.The import of multichannel trace peristaltic pump 35 is connected with hopper 37,40,43,46 respectively by feed pipe, its outlet is connected with filter 19,23,27,31 respectively by feed pipe, is delivered in storage syringe 54,62,70,78 and injection syringe 9,10,11,12 for making the fluidised form moulding material in hopper 37,40,43,46.The import of filter 19,23,27,31 is connected with multichannel trace peristaltic pump 35 respectively by feed pipe, its export by feed pipe respectively with overflow valve 21,25,29,33 and storage syringe 54,62,70,78, injection syringe 9,10,11,12 is connected.The import of overflow valve 21,25,29,33 is connected with multichannel trace peristaltic pump 35 by feed pipe, outlet is connected with material recovery hopper 22,26,30,34 respectively, the port opening of overflow valve 21,25,29,33 when pressure in feed pipe exceedes predetermined value, gets rid of fluidised form moulding material unnecessary in feeding system.
Atmospheric control comprise solenoid directional control valve 48,56,64,72, vent valve 49,57,65,73, blow off syringe needle (81 such as shown in Fig. 2), choke valve (82 such as shown in Fig. 2).The import of solenoid directional control valve 48,56,64,72 is connected with compressed gas source, and its outlet is connected with the syringe stored respectively by air supply pipe, for controlling the break-make of the syringe of compressed gas source and storage.The import of vent valve 49,57,65,73 is connected with the air inlet of the syringe stored, and its outlet is connected with air, for getting rid of the gas in the syringe of storage.Blow off the syringe needle of syringe needle 81 towards the syringe type shower nozzle sprayed, for blowing down hydrops and the dirt at syringe needle place.The import of choke valve 82 is connected with atmospheric control by air supply pipe, its outlet with blow off syringe needle and be connected, blow off air-flow for adjustment.
Workbench comprises servomotor, workbench ball-screw, workbench line slideway, and wherein servomotor is according to the requirement of workpiece interface figure, drives workbench horizontal movement along the longitudinal direction, changes the eject position of described shower nozzle.The rotary motion of servomotor is transformed to rectilinear motion by workbench ball-screw.Workbench line slideway is used for the precision guiding of workbench anterior-posterior horizontal motion.
Moved cross beam comprises stepper motor, moved cross beam ball-screw, moved cross beam line slideway, and wherein stepper motor moves up and down for driving moved cross beam.The rotary motion of stepper motor is transformed to rectilinear motion by moved cross beam ball-screw.Moved cross beam line slideway is used for the precision guiding that moved cross beam moves up and down.
In FIG, the syringe 9 of the micro syringe formula shower nozzle that multiple (such as shown in Fig. 1 4) horizontal Tile is arranged, 10, 11 and 12, the syringe needle 13 of micro syringe formula shower nozzle, 14, 15 and 16, the Large Copacity syringe 54 of the Large Copacity syringe that multiple (such as shown in Fig. 1 4) horizontal Tile is arranged, 62, 70, 78 and separator piston 53, 61, 69 and 77, multiple (such as shown in Fig. 1 4) hopper 37 of feeding system, 40, 43 and 46, the multichannel trace peristaltic pump 35 of feeding system, multiple (such as shown in Fig. 1 4) filter 19 of feeding system, 23, 27 and 31, multiple (such as shown in Fig. 1 4) overflow valve 21 of feeding system, 25, 29 and 33, multiple (such as shown in Fig. 1 4) solenoid directional control valve 48 of atmospheric control, 56, 64 and 72, multiple (such as shown in Fig. 1 4) vent valve 49 of atmospheric control, 57, 65 and 73, workbench 18 and substrate 17.According to the instruction of computer control system (not shown), connect solenoid directional control valve 48, 56, certain solenoid directional control valve (such as 48) in 64 and 72, compressed air from air inlet 80 passes through corresponding certain solenoid directional control valve (such as 48), certain air supply pipe (such as 50) and certain storage upper cover (such as 51) enter the epicoele of certain separator piston (such as 53), pressure is applied to certain fluidised form material (such as 55), force this fluidised form material by certain injection upper cover (such as 4) of certain micro syringe formula shower nozzle corresponding, certain injection syringe (such as 12) and certain syringe needle (such as 16) are injected on substrate 17.Above-mentioned injection seesaws with the Y-direction of workbench 18, horizontal side-to-side movement mechanism (not shown) matches, can on substrate 17 the part figure of progressively certain cross section profile layer of printing-forming workpiece.Subsequently, can, according to above-mentioned similar procedure, other 3 micro syringe formula shower nozzles be made to spray other certain fluidised form materials (such as 63,71 and 79) one by one, other part figures of progressively certain cross section profile layer of printing-forming workpiece on substrate 17.
After certain cross section profile layer pattern printing-forming of workpiece completes, moved cross beam (not shown) drives this shower nozzle to rise a floor height then next layer cross section contour pattern of printing-forming workpiece, and so circulation is until 3 D workpiece printing-forming completes.
How logical (such as 4 passages shown in Fig. 1) road trace peristaltic pump 35 in Fig. 1 can simultaneously to multiple this shower nozzle supply fluidised form material, a kind of fluidised form material of each passage correspondence supply.Such as, by feed pipe 38, the fluidised form material 55 in hopper 37 is flow in storage syringe 54 and 12 through pump intake 36, filter 19 and feed pipe 20.When in these two storage syringes, the pressure of fluidised form material exceedes predetermined pressure, corresponding overflow valve 21 is opened, and is drained into by unnecessary fluidised form material and reclaims hopper 22.
Fig. 2 shows the schematic diagram of the embodiment of the purge apparatus that the present invention adopts, and this device forms by blowing off syringe needle 81, choke valve 82 and air supply pipe 83, and air supply pipe 83 is connected with the outlet of corresponding solenoid directional control valve 48.When shower nozzle completes an injection action by syringe needle 16, should close corresponding solenoid directional control valve 48 immediately, so the epicoele of the separator piston 53 of corresponding storage syringe is vented rapidly, the syringe needle 16 of corresponding shower nozzle stops spraying immediately.But due to the surface tension effects of this syringe needle place fluidised form material, have small liquid pearl in the lower end of this syringe needle and assemble.Adopt after purge apparatus, upper once connect solenoid directional control valve 48 time, the Tiny pore controlled through choke valve 82 can blow down the liquid pearl assembled syringe needle 16 lower end, ensures the normal injection of syringe needle 16.Meanwhile, purge apparatus can also blow down the remaining dirt in syringe needle 16 lower end, avoids syringe needle to block.
After adopting the invention described above, simultaneously by multiple fluidised form file printing Forming Workpiece, and automatic feeding system can be provided with, can work long hours continuously incessantly, to make the large workpiece of many materials formation.
Above-described embodiment is available to those of ordinary skill in the art to realize or uses of the present invention; those of ordinary skill in the art can when not departing from inventive concept; various modifications or change are made to above-described embodiment; thus protection scope of the present invention not limit by above-described embodiment, and should be the maximum magnitude meeting the inventive features that claims are mentioned.
Claims (3)
1. micro-syringe formula many shower nozzles three-dimensional printer, comprising:
The syringe type shower nozzle of the injection that at least one horizontal Tile is arranged, sprays fluidised form moulding material;
At least one syringe stored, stores fluidised form moulding material;
Feeding system, connects at least one syringe type shower nozzle sprayed described, to described syringe type shower nozzle supply fluidised form moulding material;
Control system, controls the injection action of described syringe type shower nozzle;
Fuselage, for carrying described micro-syringe formula many shower nozzles three-dimensional printer;
Workbench, is in the below of described syringe type shower nozzle, is connected with described fuselage, for carrying Forming Workpiece, and can move by relatively described fuselage anterior-posterior horizontal;
Horizontal side-to-side movement mechanism, is connected with described syringe type shower nozzle, for driving the relatively described workbench side-to-side movement in the horizontal direction of described syringe type shower nozzle;
Moved cross beam, is connected with described fuselage, for carrying described syringe type shower nozzle, and the vertically relatively described fuselage of described syringe type shower nozzle is moved up and down; And
Computer controls and drive system, for automatic control and the driving of complete machine;
The syringe type shower nozzle of wherein said injection is micro syringe formula shower nozzle, and it comprises syringe needle, injection syringe, injection upper cover and injection sealing ring, wherein:
Described syringe needle, its upper end is connected with described syringe, as the outlet of described fluidised form moulding material;
Described injection syringe, its upper end is connected with described upper cover, for holding described fluidised form moulding material;
Described injection upper cover, its upper end is connected with described feeding system, for the connection of described injection syringe and described feeding system; And
Described injection sealing ring, is positioned at the lower end of described injection upper cover, for the sealing of described injection syringe, prevents described fluidised form moulding material from leaking;
The syringe of described storage is positioned at the top of the syringe type shower nozzle of described injection and is arranged side by side, and the syringe of described storage comprises storage syringe, separator piston, storage upper cover, storage sealing ring, wherein:
Described storage syringe, its upper end is connected with described storage upper cover, for holding described fluidised form moulding material;
Described separator piston, is positioned at described storage syringe, for the isolation between the upper gas of described storage syringe and bottom fluidised form moulding material;
Described storage upper cover, its upper end is connected with described feeding system, for described storage connecting by syringe and described feeding system; And
Described storage sealing ring, is positioned at the lower end of described storage upper cover, for the sealing of described storage syringe, prevents leakage of compressed gas;
Described feeding system comprises at least one hopper, multichannel trace peristaltic pump, at least one filter, at least one overflow valve, wherein:
At least one hopper described, is positioned at the starting point of described feeding system, for storing described fluidised form moulding material;
Described multichannel trace peristaltic pump, its import is connected with described hopper by feed pipe, its outlet is connected with described filter by described feed pipe, is delivered in described storage syringe and described injection syringe for making the described fluidised form moulding material in described hopper;
At least one filter described, its import is connected with described multichannel trace peristaltic pump by described feed pipe, and its outlet is connected with described storage syringe, described injection syringe with described overflow valve by described feed pipe; And
Described overflow valve, its import is connected with described multichannel trace peristaltic pump by described feed pipe, its outlet is connected with described hopper, and when pressure in described feed pipe exceedes predetermined value, the port opening of described overflow valve, gets rid of fluidised form moulding material unnecessary in described feeding system;
Described control system is atmospheric control, comprises at least one solenoid directional control valve, at least one vent valve, at least one blows off syringe needle, at least one choke valve, wherein:
At least one solenoid directional control valve described, its import is connected with compressed gas source, and its outlet is connected by the syringe of air supply pipe with described storage, for controlling the break-make of the syringe of described compressed gas source and described storage;
At least one vent valve, its import is connected with the air inlet of the syringe of described storage, and its outlet is connected with air, for getting rid of the gas in the syringe of described storage;
At least one blows off syringe needle, towards the syringe needle of the syringe type shower nozzle of described injection, for blowing down hydrops and the dirt at described syringe needle place; And
At least one choke valve, its import is connected with described atmospheric control by described air supply pipe, and its outlet is connected with the described syringe needle that blows off, and blows off air-flow for regulating.
2. micro-syringe formula many shower nozzles three-dimensional printer according to claim 1, it is characterized in that, described workbench comprises servomotor, workbench ball-screw, workbench line slideway, wherein:
Described servomotor, according to the requirement of workpiece interface figure, drives the horizontal movement along the longitudinal direction of described workbench, changes the eject position of described shower nozzle;
Described workbench ball-screw, is transformed to rectilinear motion by the rotary motion of described servomotor;
Described workbench line slideway, for the precision guiding of described workbench anterior-posterior horizontal motion.
3. micro-syringe formula many shower nozzles three-dimensional printer according to claim 2, it is characterized in that, described moved cross beam comprises stepper motor, moved cross beam ball-screw, moved cross beam line slideway, wherein:
Described stepper motor, moves up and down for driving described moved cross beam;
Described moved cross beam ball-screw, is transformed to rectilinear motion by the rotary motion of described stepper motor;
Described moved cross beam line slideway, for the precision guiding that described moved cross beam moves up and down.
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| CN201110453282.7A CN103182840B (en) | 2011-12-29 | 2011-12-29 | Micro injector type multi-spray-head three-dimensional printing machine |
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| CN201110453282.7A CN103182840B (en) | 2011-12-29 | 2011-12-29 | Micro injector type multi-spray-head three-dimensional printing machine |
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| CN103182840B true CN103182840B (en) | 2015-01-28 |
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| CN103462725B (en) * | 2013-08-06 | 2015-08-26 | 浙江大学 | A kind of three-dimensional biological structure printing equipment and method |
| CN103522546A (en) * | 2013-09-26 | 2014-01-22 | 瑞安市麦田网络科技有限公司 | High-precision laser photocuring 3D (three dimensional) printer |
| US9073366B1 (en) * | 2014-07-25 | 2015-07-07 | Xyzprinting, Inc. | Rotational printing head module having muti-cartridge |
| CN104494151B (en) * | 2014-12-12 | 2018-04-06 | 上海大学 | A kind of hydraulic pressure for biological 3D printing extrudes feeding system and method |
| CN104827672B (en) * | 2015-05-22 | 2017-03-01 | 杭州汉卓机电科技有限公司 | A kind of integrated Pneumatic-propelling of opening valve many materials biology 3D printing shower nozzle |
| CN105012049B (en) * | 2015-06-03 | 2017-06-27 | 西安交通大学 | The mixed atomizing printing technology of printing head system and adjustable soft hollow pipe holder |
| CN105125315B (en) * | 2015-06-25 | 2017-05-03 | 浙江大学 | Automatic filling and cleaning nozzle used for biological tissue manufacturing and control method thereof |
| CN106801005A (en) * | 2015-11-25 | 2017-06-06 | 上海富奇凡机电科技有限公司 | A kind of cell 3D printer |
| CN105584217B (en) * | 2016-03-03 | 2017-04-05 | 佛山科学技术学院 | Raw decorative pattern 3D printer in ceramic |
| CN106217868B (en) * | 2016-07-20 | 2018-04-03 | 西北工业大学 | A kind of vapour-pressure type increasing material manufacturing shower nozzle |
| CN106240957A (en) * | 2016-09-16 | 2016-12-21 | 天津工业大学 | A kind of packaging bag indication device of woven bag packaging cheese |
| CN107351386B (en) * | 2017-08-15 | 2023-10-31 | 重庆摩方科技有限公司 | Sampler type photo-curing 3D printing device and liquid changing method |
| CN113619108A (en) * | 2021-07-04 | 2021-11-09 | 宁波大学 | Electric jet printing device for variable-pressure airflow dredging nozzle |
| CN113619102A (en) * | 2021-07-04 | 2021-11-09 | 宁波大学 | Electric jet printing method for dredging spray head by variable-pressure airflow |
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| WO1995005943A1 (en) * | 1993-08-26 | 1995-03-02 | Sanders Prototypes, Inc. | 3-d model maker |
| JPH1110689A (en) * | 1997-06-24 | 1999-01-19 | Ube Ind Ltd | Injection device for injection molding machine |
| CN1176797C (en) * | 1999-08-18 | 2004-11-24 | 仲伟虹 | Equipment and process for layer manufacture |
| CN100395098C (en) * | 2005-09-16 | 2008-06-18 | 上海电力学院 | Three-dimensional printing formation unit and method |
| KR100860880B1 (en) * | 2008-01-28 | 2008-09-29 | 주식회사 탑 엔지니어링 | Method of dispensing paste in paste dispenser and pneumatic apparatus used therefor |
| CN102107164A (en) * | 2010-12-18 | 2011-06-29 | 江苏锐毕利实业有限公司 | FFMJ (freeform fabrication with micro-droplet jetting) system |
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