CN109290258A - The dedicated cleaner and cleaning method of droplet ejection 3D printing head - Google Patents

The dedicated cleaner and cleaning method of droplet ejection 3D printing head Download PDF

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Publication number
CN109290258A
CN109290258A CN201811328306.4A CN201811328306A CN109290258A CN 109290258 A CN109290258 A CN 109290258A CN 201811328306 A CN201811328306 A CN 201811328306A CN 109290258 A CN109290258 A CN 109290258A
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China
Prior art keywords
print head
cleaning
pump
liquid
droplet ejection
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CN201811328306.4A
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Chinese (zh)
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CN109290258B (en
Inventor
刘宏
王茜
高阳
丁少虎
马聪
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North Minzu University
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North Minzu University
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Publication of CN109290258A publication Critical patent/CN109290258A/en
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Publication of CN109290258B publication Critical patent/CN109290258B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02Cleaning by the force of jets or sprays
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid

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  • Ink Jet (AREA)
  • Coating Apparatus (AREA)

Abstract

A kind of dedicated cleaner of droplet ejection 3D printing head includes workbench, several print heads adjust device, print head drainage device, waste collection tank, the edge of the workbench is equipped with a circle protrusion, form liquid-filling pool, print head drainage device and print head adjustment device are arranged in the liquid-filling pool of workbench, the bottom of liquid-filling pool is connected to the upper end of waste collection tank, print head drainage device includes cleaning fluid tank, cleaning pump, case pumps print head tee tube, first triple valve, pump tank print head tee tube, second triple valve, the liquid outlet of the cleaning fluid tank, the inlet of cleaning pump, one ink entrance of print head pumps an orifice of print head tee tube with case respectively, the intersection of case pump print head tee tube is arranged in first triple valve, wash the liquid outlet of pump, another ink entrance of print head, waste collection tank into The intersection of case tank print head tee tube is arranged in an orifice with pump tank print head tee tube, the second triple valve to liquid mouth respectively.

Description

The dedicated cleaner and cleaning method of droplet ejection 3D printing head
Technical field
The present invention relates to 3D printing technique field more particularly to a kind of droplet ejections applied in casting sand type 3D printing The dedicated cleaner and cleaning method of 3D printing head.
Background technique
Industrial casting sand type 3D printing print head makes accurate, expensive.Since casting sand type 3D printing technique is Increasing material manufacturing, print procedure sandinteeter are realized using method of the droplet ejection print head injection trowel adhesive in conjunction with loose sand Particle is more, microenvironment is severe.The clean level of 3D droplet ejection print head cleaning can seriously affect its service life.Applied to casting The droplet ejection print head for making sand mold 3D printing industry is the bulk of prolate, and the long end that two of print head face, one end is set There are two ink entrance, the other end is equipped with spray orifice, and two sides adjacent with spray orifice are additionally provided with and can be detachably connected with printer Erecting bed, erecting bed be equipped with pilot hole.
In the prior art, Publication No. CN207273897U, the China of entitled " a kind of 3D printing spray head cleaning device " Technical solution disclosed in patent of invention are as follows: using the circulation of water pump, an external hard cleaning sprayer and soft cleaning sprayer, lead to respectively It crosses hard cleaning sprayer and soft cleaning sprayer is used alternatingly to be rinsed 3D printing head injection hole surface and realizes cleaning to print head Maintenance.It is rinsed when cleaned printhead orifice surface is bonded with impurity and more difficult flushing using hard cleaning sprayer, otherwise to protect Shield spray head is not damaged, and soft cleaning sprayer can be used;It can get one when two kinds of spray heads are used alternatingly and are rinsed to print head Fixed effect.But the technical solution only rinses 3D printing head injection hole surface, and the blocking of print head, the tiltedly mistake such as spray Imitate phenomenon there is a situation where absolutely, number is more greatly occurs that there are impurity in nozzle cavity, so the technical solution not can be removed spray head Lumen obstruction and cannot thoroughly clean print head.
Summary of the invention
It can be to the droplet ejection 3D printing head that the inside of print head is cleaned in view of this, it is necessary to provide one kind Dedicated cleaner.
A kind of droplet ejection print head dedicated cleaner applied to casting sand type 3D printing includes workbench, several beats It prints head and adjusts device, print head drainage device, waste collection tank, the edge of the workbench is equipped with a circle protrusion, so that work Platform forms the liquid-filling pool that can accommodate liquid, and the Sheng of workbench is arranged in print head drainage device and print head adjustment device In liquid pool, the bottom of liquid-filling pool is connected to the upper end of waste collection tank, and the waste liquid after cleaning print head is discharged into waste collection Tank, when cleaning print head, print head setting is on print head adjustment device, an ink feed of print head drainage device and print head Mouth connection, print head drainage device include cleaning fluid tank, cleaning pump, case pump print head tee tube, the first triple valve, pump tank printing Head tee tube, the second triple valve, the liquid outlet of the cleaning fluid tank, the inlet of cleaning pump, print head an ink entrance point An orifice of print head tee tube is not pumped with case, the intersection of case pump print head tee tube is arranged in the first triple valve Place, to control the flow direction of cleaning solution, the liquid outlet of cleaning pump, another ink entrance of print head, waste collection tank inlet Respectively with pump tank print head tee tube an orifice, the second triple valve be arranged in pump tank print head tee tube intersection Place, to control the flow direction of cleaning solution.
A kind of cleaning method of the droplet ejection 3D printing head applied to casting sand type 3D printing the following steps are included:
Droplet ejection 3D printing head is put into the mounting groove on print head adjustment device by step S001, and droplet ejection 3D is beaten The pilot hole of print head is set on fixed pillar;
Step S002, by three interfaces feed liquor with the liquid outlet of cleaning fluid tank, cleaning pump respectively of case pump print head tee tube Mouthful, the connection of an ink entrance of print head, by three interfaces for pumping tank print head tee tube respectively with the liquid outlet of cleaning pump, beat Print the inlet connection of another ink entrance, waste collection tank of head;
Step S003 adjusts the first triple valve, is connected to the liquid outlet of cleaning fluid tank with the inlet of cleaning pump, adjustment the two or three Port valve is connected to the liquid outlet of cleaning solution with the ink entrance of print head, and starting cleaning pump carries out just droplet ejection 3D printing head To cleaning;
Step S004 closes cleaning pump, and the spray orifice for adjusting support plate to droplet ejection 3D printing head touches liquid-filling pool bottom Sponge, so that spray orifice is infiltrated sponge, at the same prevent cleaning solution from spray orifice flow out, by cleaning solution in droplet ejection 3D printing head It the middle delay predetermined time, impregnated, dissolved with the impurity to print head;
Through-hole between liquid-filling pool and waste collection tank is closed, clean cleaning solution is poured into liquid-filling pool by step S005, is adjusted The height of whole support plate makes cleaning solution flood 2 millimeters to 3 millimeters of spray orifice of print head;
Step S006 adjusts the first triple valve, is connected to the inlet of cleaning pump with the ink entrance of print head, adjusts the second threeway Valve is connected to the liquid outlet of cleaning pump with waste collection tank, and starting cleaning pump carries out reverse cleaning to print head.
Step S007 adjusts the first triple valve, be connected to the liquid outlet of cleaning fluid tank with the inlet of cleaning pump, adjusts the Two triple valves are connected to the liquid outlet of cleaning solution with the ink entrance of print head, start cleaning pump, enter cleaning solution from ink entrance Print head is simultaneously flowed out from spray orifice, and when being more than that 90% spray orifice stablizes liquid out, then print head is cleaned, otherwise repeatedly step S004, step S005, step S006.
The utility model has the advantages that the dedicated cleaner of droplet ejection 3D printing head of the invention includes workbench, several print heads Device, print head drainage device, waste collection tank are adjusted, print head adjustment device can adjust the position of print head, make to print Head is vacantly on liquid-filling pool, to guarantee that the spray orifice of print head is not blocked, print head drainage device can carry out print head The cleaning of forward and reverse, so that the inside of print head sufficiently be cleaned up.
Detailed description of the invention
Fig. 1 is the structural representation of a better embodiment of the dedicated cleaner of droplet ejection 3D printing head of the invention Figure.
Fig. 2 is that the structure of another better embodiment of the dedicated cleaner of droplet ejection 3D printing head of the invention is shown It is intended to.
Fig. 3 is that the structure of another better embodiment of the dedicated cleaner of droplet ejection 3D printing head of the invention is shown It is intended to.
In figure: dedicated cleaner 10, workbench 20, liquid-filling pool 201, the print head adjustment dress of droplet ejection 3D printing head It sets 30, adjust support 301, support plate 302, fixed pillar 3021, adjusting screw rod 303, print head drainage device 40, cleaning fluid tank 401, cleaning pump 402, case pump print head tee tube 403, the first triple valve 404, pump tank print head tee tube 405, the second threeway Valve 406, pressure gauge 407, waste collection tank 50, print head 60.
Specific embodiment
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, common for this field For technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Please refer to Fig. 1 to Fig. 3, a kind of dedicated cleaner 10 of droplet ejection 3D printing head includes workbench 20, several Print head adjusts device 30, print head drainage device 40, waste collection tank 50, and it is convex that the edge of the workbench 20 is equipped with a circle It rises, so that workbench 20 forms the liquid-filling pool 201 that can accommodate liquid, print head drainage device 40 and print head adjustment dress It sets 30 to be arranged in the liquid-filling pool 201 of workbench 20, the bottom of liquid-filling pool 201 is connected to the upper end of waste collection tank 50, will Waste liquid after cleaning print head is discharged into waste collection tank 50, and when cleaning print head, print head setting adjusts device 30 in print head On, print head drainage device 40 is connected to an ink entrance of print head 60, and print head drainage device 40 includes cleaning fluid tank 401, cleaning pump 402, case pump print head tee tube 403, the first triple valve 404, pump tank print head tee tube 405, the second threeway Valve 406, the liquid outlet of the cleaning fluid tank 401, the inlet of cleaning pump 402, print head an ink entrance respectively with case pump The intersection of case pump print head tee tube 403 is arranged in one orifice of print head tee tube 403, the first triple valve 404 Place, to control the flow direction of cleaning solution, the liquid outlet of cleaning pump 402, another ink entrance of print head, waste collection tank 50 into An orifice with pump tank print head tee tube 405, the setting of the second triple valve 406 are pumping the threeway of tank print head to liquid mouth respectively The intersection of pipe 405, to control the flow direction of cleaning solution.
Further, the print head adjustment device 30 includes adjusting support 301, support plate 302, adjusting screw rod 303, institute It states and adjusts support 301 and be fixedly connected with workbench 20, adjustment support is equipped with vertical adjustment slot, and support plate 302 is equipped with the The pilot hole of one regulating tank cooperation, adjusting screw rod 303 passes through vertical adjustment slot and pilot hole and is arranged nut, by adjusting spiral shell The extruding of the nut of bar 303 is fixedly connected with adjusting support 301 with support plate 302, and the support plate 302 is equipped with several placements Slot is equipped with fixed pillar 3021, print head lower end positioned at the upper surface of the support plate 302 of mounting groove two sides to place print head Pilot hole be set on fixed pillar 3021 so that print head is fixed in support plate 302.
Multiple print heads 60 can be fixedly mounted in the same support plate 302, multiple print heads 60 are cleaned simultaneously, so as to Enough greatly improve the cleaning efficiency of print head.When print head is fixed in support plate 302, the end face where ink entrance is upward, peace Dress rack is located in support plate 302, and pilot hole is set on fixed pillar 3021, the spray orifice face liquid-filling pool 201 of print head Bottom.
Further, the dedicated cleaner 10 of the droplet ejection 3D printing head further includes pressure gauge 407, pressure gauge 407 are arranged on the branch pipe that pump tank print head tee tube 405 is connect with print head, to detect the operating pressure of cleaning solution.
By the judgement to cleaning fluid pressure, the chocking-up degree and blocking position of print head can be judged, be conveniently adjusted clear The cleaning pressure of washing lotion prevents the pressure of cleaning solution from crossing ambassador's print head impaired.
Further, sponge is equipped at the 201 bottom face printhead orifice of liquid-filling pool, to reduce by soaking sponge Stickiness between impurity and spray orifice.
Dirt, impurity bonding be cause print head block a major reason, sponge be arranged at printhead orifice, When sponge is soaked, spray orifice can be made to keep wet, thus by macerations such as dirts, make it easier to be dissolved in cleaning solution or by Cleaning solution washes away, and then can enhance the cleaning effect of cleaning device.
Further, the dedicated cleaner 10 of the droplet ejection 3D printing head further includes filter device to washing liquit, institute Filter device to washing liquit is stated to be arranged between liquid-filling pool 201 and waste collection tank 50, to filter out the insoluble impurities in waste liquid, Convenient for the recycling of waste liquid.
In a better embodiment, the cleaning and filtrating equipment is filter screen, and filter screen is erected at waste collection tank 50 Inlet, to filter the insoluble impurities in waste liquid.
In another better embodiment, the cleaning and filtrating equipment is the net box for filling activated carbon, and net box is erected at useless The inlet of liquid collecting tank 50, to filter insoluble impurities in waste liquid etc..
Further, the sponge for inhaling and having moisture is equipped in the bottom of support plate 302, so that the spray orifice of print head keeps wet Profit.
Droplet ejection 3D printing head is put into the mounting groove on print head adjustment device 30 by step S001, and droplet sprays The pilot hole for penetrating 3D printing head is set on fixed pillar 3021;
Step S002, by case pump print head tee tube 403 three interfaces respectively with the liquid outlet of cleaning fluid tank 401, cleaning pump The ink entrance connection of 402 inlet, print head, will pump three interfaces of tank print head tee tube 405 respectively with cleaning The inlet connection of the liquid outlet of pump 402, another ink entrance of print head, waste collection tank 50;
Step S003 adjusts the first triple valve 404, is connected to the liquid outlet of cleaning fluid tank 401 and the inlet of cleaning pump 402, The second triple valve 406 is adjusted, is connected to the liquid outlet of cleaning solution with the ink entrance of print head, starting cleaning pump 402 sprays droplet It penetrates 3D printing head and carries out positive cleaning;
Step S004 closes cleaning pump 402, and the spray orifice for adjusting support plate 302 to droplet ejection 3D printing head touches Sheng liquid The sponge of 201 bottom of pond, enables spray orifice to infiltrate sponge, while preventing cleaning solution from flowing out from spray orifice, and cleaning solution is sprayed in droplet It penetrates in 3D printing head and is detained the predetermined time, impregnated, dissolved with the impurity to casting droplet ejection 3D printing head;
Step S005 blocks the through-hole between liquid-filling pool 201 and waste collection tank 50, pours into cleaning solution into liquid-filling pool 201, The height for adjusting support plate 302 makes cleaning solution flood 2 millimeters to 3 millimeters of spray orifice of droplet ejection 3D printing head;
Step S006 adjusts the first triple valve 404, be connected to the inlet of cleaning pump 402 with the ink entrance of print head, adjusts the Two triple valves 406, are connected to the liquid outlet of cleaning pump 402 with waste collection tank 50, and starting cleaning pump 402 beats droplet ejection 3D It prints head and carries out reverse cleaning.
Step S007 adjusts the first triple valve 404, and the inlet of the liquid outlet and cleaning pump 402 that make cleaning fluid tank 401 connects It is logical, the second triple valve 406 is adjusted, is connected to the liquid outlet of cleaning solution with the ink entrance of print head, starts cleaning pump 402, is made clear Washing lotion enters print head from ink entrance and flows out from spray orifice, and when stablizing liquid out more than 90% spray orifice, then print head is cleaned dry Only, otherwise repeatedly step S004, step S005, step S006.
When forward direction cleaning, the chocking-up degree of print head can be appreciated that by the liquid situation that goes out of observation spray orifice, according to print head Chocking-up degree, to spray orifice or print head inner cavity into the corresponding time is impregnated, thus can more efficiently when rinsing.Simultaneously The flow velocity of cleaning solution can be adjusted by regulating three-way valve, is prevented according to the pressure condition for going out liquid situation and cleaning solution of spray orifice Cleaning solution causes to damage to print head.Since the outlet of spray orifice is smaller, some biggish impurity are not easy to be discharged, but print The ink entrance of head is larger.When reverse cleaning, the flow direction of cleaning solution is to enter print head from spray orifice, flows out print head from ink entrance, Therefore biggish impurity can also be easy to be discharged, to improve cleaning effect.It, can not after forward and reverse cleaning Guarantee that impurity is all cleaned up, therefore print head is entered from ink entrance by positive orientation guide cleaning solution again, is flowed out from spray orifice Print head goes out liquid situation according to spray orifice, can determine whether the cleaning situation of print head, so as to guarantee that print head is cleaned dry Only.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly It encloses, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and wants according to right of the present invention Made equivalent variations is sought, is still belonged to the scope covered by the invention.

Claims (6)

1. a kind of dedicated cleaner of droplet ejection 3D printing head, it is characterised in that: adjusted including workbench, several print heads Device, print head drainage device, waste collection tank, the edge of the workbench is equipped with a circle protrusion, so that workbench forms one A liquid-filling pool that can accommodate liquid, print head drainage device and print head adjustment device are arranged in the liquid-filling pool of workbench, The bottom of liquid-filling pool is connected to the upper end of waste collection tank, and the waste liquid after cleaning print head is discharged into waste collection tank, is cleaned When print head, on print head adjustment device, print head drainage device is connected to an ink entrance of print head for print head setting, Print head drainage device includes cleaning fluid tank, cleaning pump, case pump print head tee tube, the first triple valve, pump tank print head threeway Pipe, the second triple valve, the liquid outlet of the cleaning fluid tank, the inlet of cleaning pump, print head an ink entrance respectively with case An orifice of print head tee tube is pumped, the intersection of case pump print head tee tube is arranged in the first triple valve, with control The flow direction of cleaning solution processed, the liquid outlet of cleaning pump, another ink entrance of print head, waste collection tank inlet respectively with pump The intersection of pump tank print head tee tube is arranged in one orifice of tank print head tee tube, the second triple valve, with control The flow direction of cleaning solution processed.
2. the dedicated cleaner of droplet ejection 3D printing head as described in claim 1, it is characterised in that: the print head tune Engagement positions include adjusting support, support plate, adjusting screw rod, and the adjusting support is fixedly connected with workbench, adjust and set on support There is vertical adjustment slot, support plate is equipped with the pilot hole cooperated with the first regulating tank, and adjusting screw rod passes through vertical adjustment slot and dress Distribution is simultaneously arranged nut, is fixedly connected with adjusting support with support plate with the extruding by the nut of adjusting screw rod, the support Plate is equipped with several mounting grooves, to place print head, is equipped with fixed pillar positioned at the upper surface of the support plate of mounting groove two sides, beats The pilot hole of print head lower end is set on fixed pillar, so that print head is fixed on the supporting plate.
3. the dedicated cleaner of droplet ejection 3D printing head as described in claim 1, it is characterised in that: the droplet ejection The dedicated cleaner of 3D printing head further includes pressure gauge, and pressure gauge is arranged in what pump tank print head tee tube was connect with print head On branch pipe, to detect the operating pressure of cleaning solution.
4. the dedicated cleaner of droplet ejection 3D printing head as described in claim 1, it is characterised in that: the liquid-filling pool bottom Sponge is equipped at portion's face printhead orifice, by soaking the stickiness between sponge reduction impurity and spray orifice.
5. the dedicated cleaner of droplet ejection 3D printing head as described in claim 1, it is characterised in that: the droplet ejection The dedicated cleaner of 3D printing head further includes filter device to washing liquit, and the filter device to washing liquit setting is in liquid-filling pool and gives up Between liquid collecting tank, to filter out the insoluble impurities in waste liquid, convenient for the recycling of waste liquid.
6. a kind of dedicated cleaner of droplet ejection 3D printing head described in any one claim according to claim 1 ~ 5 The cleaning method of the droplet ejection 3D printing head cleaned the following steps are included:
Droplet ejection 3D printing head is put into the mounting groove on print head adjustment device by step S001, and droplet ejection 3D is beaten The pilot hole of print head is set on fixed pillar;
Step S002, by three interfaces feed liquor with the liquid outlet of cleaning fluid tank, cleaning pump respectively of case pump print head tee tube Mouthful, the connection of an ink entrance of print head, by three interfaces for pumping tank print head tee tube respectively with the liquid outlet of cleaning pump, beat Print the inlet connection of another ink entrance, waste collection tank of head;
Step S003 adjusts the first triple valve, is connected to the liquid outlet of cleaning fluid tank with the inlet of cleaning pump, adjustment the two or three Port valve is connected to the liquid outlet of cleaning solution with the ink entrance of print head, and starting cleaning pump carries out just droplet ejection 3D printing head To cleaning;
Step S004 closes cleaning pump, and the spray orifice for adjusting support plate to droplet ejection 3D printing head touches liquid-filling pool bottom Sponge, so that spray orifice is infiltrated sponge, at the same prevent cleaning solution from spray orifice flow out, by cleaning solution in droplet ejection 3D printing head The middle delay predetermined time is impregnated with the impurity to droplet ejection 3D printing head, is dissolved;
Step S005 blocks the through-hole between liquid-filling pool and waste collection tank, and cleaning solution, adjustment support are poured into liquid-filling pool The height of plate makes cleaning solution flood 2 millimeters to 3 millimeters of spray orifice of droplet ejection 3D printing head;
Step S006 adjusts the first triple valve, is connected to the inlet of cleaning pump with the ink entrance of print head, adjusts the second threeway Valve is connected to the liquid outlet of cleaning pump with waste collection tank, and starting cleaning pump carries out reverse cleaning to droplet ejection 3D printing head.
Step S007 adjusts the first triple valve, is connected to the liquid outlet of cleaning fluid tank with the inlet of cleaning pump, adjustment the two or three Port valve is connected to the liquid outlet of cleaning solution with the ink entrance of print head, starts cleaning pump, cleaning solution is made to enter printing from ink entrance Head simultaneously from spray orifice flow out, when be more than 90% spray orifice stablize liquid when, then print head is cleaned, otherwise repeatedly step S004, walk Rapid S005, step S006.
CN201811328306.4A 2018-11-09 2018-11-09 Special cleaning device and cleaning method for droplet jetting 3D printing head Active CN109290258B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201811328306.4A CN109290258B (en) 2018-11-09 2018-11-09 Special cleaning device and cleaning method for droplet jetting 3D printing head

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CN109290258B CN109290258B (en) 2024-03-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114454485A (en) * 2022-03-03 2022-05-10 芯体素(杭州)科技发展有限公司 Device and method for cleaning micro-nano 3D printing head

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CN201405567Y (en) * 2009-04-16 2010-02-17 文明华 Nozzle cleaning device
CN102442068A (en) * 2010-09-30 2012-05-09 北大方正集团有限公司 Spray head cleaning device and working method thereof
CN103442520A (en) * 2013-08-22 2013-12-11 华东光电集成器件研究所 Combined-type fixing device for spray water cleaning on circuit boards
CN203832000U (en) * 2014-05-13 2014-09-17 广州市爱司凯科技股份有限公司 Bidirectional cleaning mechanism for orifice of nozzle
CN206590510U (en) * 2017-03-24 2017-10-27 上海舜地食品有限公司 Conveying device after being cleaned for vegetable deep-processing
CN209094023U (en) * 2018-11-09 2019-07-12 北方民族大学 The dedicated cleaner of droplet ejection 3D printing head

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005305845A (en) * 2004-04-22 2005-11-04 Sony Corp Cleaning device for liquid ejection head and liquid ejection device
CN201405567Y (en) * 2009-04-16 2010-02-17 文明华 Nozzle cleaning device
CN102442068A (en) * 2010-09-30 2012-05-09 北大方正集团有限公司 Spray head cleaning device and working method thereof
CN103442520A (en) * 2013-08-22 2013-12-11 华东光电集成器件研究所 Combined-type fixing device for spray water cleaning on circuit boards
CN203832000U (en) * 2014-05-13 2014-09-17 广州市爱司凯科技股份有限公司 Bidirectional cleaning mechanism for orifice of nozzle
CN206590510U (en) * 2017-03-24 2017-10-27 上海舜地食品有限公司 Conveying device after being cleaned for vegetable deep-processing
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114454485A (en) * 2022-03-03 2022-05-10 芯体素(杭州)科技发展有限公司 Device and method for cleaning micro-nano 3D printing head
CN114454485B (en) * 2022-03-03 2023-11-03 芯体素(杭州)科技发展有限公司 Device and method for cleaning micro-nano 3D printing head

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