CN109290258B - Special cleaning device and cleaning method for droplet jetting 3D printing head - Google Patents
Special cleaning device and cleaning method for droplet jetting 3D printing head Download PDFInfo
- Publication number
- CN109290258B CN109290258B CN201811328306.4A CN201811328306A CN109290258B CN 109290258 B CN109290258 B CN 109290258B CN 201811328306 A CN201811328306 A CN 201811328306A CN 109290258 B CN109290258 B CN 109290258B
- Authority
- CN
- China
- Prior art keywords
- printing head
- liquid
- cleaning
- pump
- inlet
- 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.)
- Active
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 138
- 238000010146 3D printing Methods 0.000 title claims description 38
- 238000000034 method Methods 0.000 title claims description 11
- 239000007788 liquid Substances 0.000 claims abstract description 170
- 239000002699 waste material Substances 0.000 claims abstract description 36
- 238000007639 printing Methods 0.000 claims description 91
- 239000007921 spray Substances 0.000 claims description 40
- 239000012535 impurity Substances 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims 1
- 238000005406 washing Methods 0.000 abstract description 9
- 239000004576 sand Substances 0.000 description 8
- 238000005266 casting Methods 0.000 description 7
- 238000005507 spraying Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
Landscapes
- Ink Jet (AREA)
- Coating Apparatus (AREA)
Abstract
The utility model provides a special belt cleaning device of 3D print head is sprayed to microdroplet, includes workstation, a plurality of print head adjusting device, print head drainage device, waste liquid collection tank, the border of workstation is equipped with the round arch, form flourishing liquid pond, print head drainage device and print head adjusting device set up in flourishing liquid pond of workstation, flourishing liquid pond's bottom and waste liquid collection tank's upper end intercommunication, print head drainage device includes the washing liquid case, wash pump, the case pump print head three-way pipe, first three-way valve, pump tank print head three-way pipe, the second three-way valve, the liquid outlet of washing liquid case, the inlet of wash pump, one inlet of print head respectively with one interface intercommunication of case pump print head three-way pipe, first three-way valve sets up in the intersection department of case pump print head three-way pipe, the liquid outlet of wash pump, another inlet of print head, the inlet of waste liquid collection tank respectively with one interface intercommunication of pump tank print head three-way pipe, the second three-way valve sets up in the mouth department of case tank print head three-way pipe.
Description
Technical Field
The invention relates to the technical field of 3D printing, in particular to a special cleaning device and a cleaning method for a droplet jetting 3D printing head applied to casting sand mould 3D printing.
Background
The printing head for 3D printing of the industrial casting sand mould is precise in manufacturing and high in cost. The 3D printing process of the casting sand mold realizes additive manufacturing by adopting a method of combining a droplet jet printing head jet high-viscosity adhesive with scattered sand, so that suspended sand particles are more in the printing process, and the microenvironment is bad. The cleanliness of the 3D droplet ejection printhead cleaning can severely impact its useful life. Be applied to casting sand mould 3D printing industry's microdroplet and spray printer head and be prolate cubic, the long end that two looks are just facing of printer head, one end are equipped with two ink inlets, and the other end is equipped with the orifice, and two sides adjacent with the orifice still are equipped with the mount pad that can dismantle with the printer and be connected, and the mount pad is equipped with the pilot hole.
In the prior art, the Chinese patent with publication number of CN207273897U and name of "a 3D printing nozzle cleaning device" discloses the following technical scheme: the water pump is adopted for circulation, a hard cleaning spray head and a soft cleaning spray head are respectively connected in an external mode, and cleaning maintenance of the printing head is achieved by alternately using the hard cleaning spray head and the soft cleaning spray head to flush the surface of the spray hole of the 3D printing head. When the surface of the spray hole of the cleaned printing head is adhered with impurities and is difficult to flush, the cleaning nozzle is cleaned by adopting a hard cleaning nozzle, otherwise, the nozzle is protected from being damaged, and a soft cleaning nozzle can be adopted; when the two spray heads are alternately used for flushing the printing head, a certain effect can be obtained. However, according to the technical scheme, only the surface of the spray hole of the 3D printing head is flushed, and most of failure phenomena such as blockage and oblique spraying of the printing head occur under the condition that impurities exist in the inner cavity of the spray head, so that the blockage in the inner cavity of the spray head cannot be removed, and the printing head cannot be thoroughly cleaned.
Disclosure of Invention
In view of this, it is necessary to provide a dedicated cleaning device for a droplet ejection 3D printhead that is capable of cleaning the interior of the printhead.
The utility model provides a be applied to casting sand mould 3D printing's special belt cleaning device of droplet injection print head, including the workstation, a plurality of print head adjusting device, print head drainage device, the waste liquid collection tank, the border of workstation is equipped with the round arch, so that the workstation forms a flourishing liquid pond that can hold liquid, print head drainage device and print head adjusting device set up in the flourishing liquid pond of workstation, the bottom of flourishing liquid pond communicates with the upper end of waste liquid collection tank, in order to discharge the waste liquid after the washing print head into the waste liquid collection tank, when wasing the print head, the print head sets up on print head adjusting device, print head drainage device and print head's an inlet intercommunication, print head drainage device includes the washing liquid case, the wash pump, the case pump print head three-way pipe, first three-way valve, the pump print head three-way pipe, the second three-way valve, the inlet of washing liquid case, the inlet of wash pump, one inlet of print head and one interface intercommunication of case pump print head three-way pipe respectively, first three-way valve sets up in the intersection department of the control of the three-way pipe of wash liquid, the other inlet of wash liquid three-way valve and print head three-way pipe, the control inlet of wash liquid three-way valve and the three-way valve setting.
The cleaning method of the droplet jetting 3D printing head applied to casting sand mould 3D printing comprises the following steps of:
step S001, placing the droplet jetting 3D printing head into a placing groove on a printing head adjusting device, and sleeving an assembly hole of the droplet jetting 3D printing head on a fixed support column;
step S002, connecting the three interfaces of the three-way pipe of the tank pump printing head with the liquid outlet of the cleaning liquid tank, the liquid inlet of the cleaning pump and one ink inlet of the printing head respectively, and connecting the three interfaces of the three-way pipe of the pump tank printing head with the liquid outlet of the cleaning pump, the other ink inlet of the printing head and the liquid inlet of the waste liquid collecting tank respectively;
step S003, the first three-way valve is adjusted to enable the liquid outlet of the cleaning liquid tank to be communicated with the liquid inlet of the cleaning pump, the second three-way valve is adjusted to enable the liquid outlet of the cleaning liquid to be communicated with the ink inlet of the printing head, and the cleaning pump is started to positively clean the droplet jetting 3D printing head;
step S004, closing a cleaning pump, adjusting a supporting plate until a spray hole of the droplet jetting 3D printing head contacts with the sponge at the bottom of the liquid containing pool, enabling the spray hole to infiltrate the sponge, simultaneously preventing the cleaning liquid from flowing out of the spray hole, and retaining the cleaning liquid in the droplet jetting 3D printing head for a preset time so as to soak and dissolve impurities of the printing head;
step S005, closing a through hole between the liquid containing tank and the waste liquid collecting tank, pouring clean cleaning liquid into the liquid containing tank, and adjusting the height of the supporting plate to enable the cleaning liquid to submerge the spray holes of the printing head for 2 mm to 3 mm;
step S006, the first three-way valve is adjusted to enable the liquid inlet of the cleaning pump to be communicated with the ink inlet of the printing head, the second three-way valve is adjusted to enable the liquid outlet of the cleaning pump to be communicated with the waste liquid collecting tank, and the cleaning pump is started to reversely clean the printing head.
Step S007, adjusting the first three-way valve to enable the liquid outlet of the cleaning liquid tank to be communicated with the liquid inlet of the cleaning pump, adjusting the second three-way valve to enable the liquid outlet of the cleaning liquid to be communicated with the ink inlet of the printing head, starting the cleaning pump to enable the cleaning liquid to enter the printing head from the ink inlet and flow out from the spray holes, and when more than 90% of the spray holes stably discharge liquid, cleaning the printing head, otherwise repeating the steps S004, S005 and S006.
The beneficial effects are that: the special cleaning device for the droplet jetting 3D printing head comprises a workbench, a plurality of printing head adjusting devices, a printing head drainage device and a waste liquid collecting tank, wherein the printing head adjusting devices can adjust the position of the printing head, so that the printing head is suspended on a liquid containing tank, the spraying holes of the printing head are prevented from being blocked, and the printing head drainage device can clean the printing head positively and reversely, so that the interior of the printing head is cleaned fully.
Drawings
Fig. 1 is a schematic diagram of a special cleaning device for a droplet ejection 3D printhead according to a preferred embodiment of the present invention.
Fig. 2 is a schematic structural view of another preferred embodiment of a dedicated cleaning device for a droplet ejection 3D printhead according to the present invention.
Fig. 3 is a schematic structural view of a special cleaning device for a droplet ejection 3D printhead according to another preferred embodiment of the present invention.
In the figure: the special cleaning device 10 for the droplet jetting 3D printing head comprises a workbench 20, a liquid accommodating tank 201, a printing head adjusting device 30, an adjusting support 301, a supporting plate 302, a fixed support 3021, an adjusting screw 303, a printing head drainage device 40, a cleaning liquid tank 401, a cleaning pump 402, a tank pump printing head three-way pipe 403, a first three-way valve 404, a pump tank printing head three-way pipe 405, a second three-way valve 406, a pressure gauge 407, a waste liquid collecting tank 50 and a printing head 60.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Referring to fig. 1 to 3, a special cleaning device 10 for a droplet jetting 3D printhead includes a workbench 20, a plurality of printhead adjusting devices 30, a printhead drainage device 40, and a waste liquid collecting tank 50, a circle of protrusions are disposed at the edge of the workbench 20, so that the workbench 20 forms a liquid containing tank 201 capable of containing liquid, the printhead drainage device 40 and the printhead adjusting devices 30 are disposed in the liquid containing tank 201 of the workbench 20, the bottom of the liquid containing tank 201 is communicated with the upper end of the waste liquid collecting tank 50, so that waste liquid after cleaning the printhead is discharged into the waste liquid collecting tank 50, when the printhead is cleaned, the printhead is disposed on the printhead adjusting device 30, the printhead drainage device 40 is communicated with one ink inlet of the printhead 60, the printhead drainage device 40 includes a cleaning liquid tank 401, a cleaning pump 402, a tank pump three-way pipe 403, a first three-way valve 404, a pump tank three-way pipe 405, a second three-way valve 406, a liquid inlet of the cleaning liquid tank 402, an ink inlet of the printhead, an ink inlet of the cleaning pump 403, and an ink inlet of the tank 403 are respectively communicated with the first three-way pipe 403, the other three-way valve of the cleaning liquid pump 403 are respectively, the inlet of the three-way valve is disposed at the junction of the three-way valve of the tank 403, the three-way valve is controlled, the inlet of the three-way valve is disposed at the three-way valve of the inlet valve of the cleaning tank 403, the three-way valve is respectively, and the inlet of the cleaning liquid is respectively, and the three-way valve is communicated with the inlet valve.
Further, the print head adjusting device 30 includes an adjusting support 301, a support plate 302, and an adjusting screw 303, where the adjusting support 301 is fixedly connected with the workbench 20, a vertical adjusting groove is provided on the adjusting support, an assembling hole matched with the first adjusting groove is provided on the support plate 302, the adjusting screw 303 passes through the vertical adjusting groove and the assembling hole and is sleeved with a nut, so that the adjusting support 301 is fixedly connected with the support plate 302 by extruding the nut of the adjusting screw 303, a plurality of placing grooves are provided on the support plate 302 to place the print head, fixing struts 3021 are provided on the upper surface of the support plate 302 at two sides of the placing grooves, and the assembling hole at the lower end of the print head is sleeved on the fixing struts 3021, so that the print head is fixed on the support plate 302.
The same supporting plate 302 can be fixedly provided with a plurality of printing heads 60, and the printing heads 60 can be cleaned simultaneously, so that the cleaning efficiency of the printing heads can be greatly improved. When the printing head is fixed on the supporting plate 302, the end face where the ink inlet is positioned is upward, the mounting table is arranged on the supporting plate 302, the assembly holes are sleeved on the fixing support post 3021, and the spray holes of the printing head are opposite to the bottom of Cheng Yechi.
Further, the special cleaning device 10 for a droplet ejecting 3D printhead further includes a pressure gauge 407, where the pressure gauge 407 is disposed on a branch pipe connected to the printhead by the pump tank printhead tee 405 to detect the working pressure of the cleaning liquid.
Through the judgement to the washing liquid pressure, can judge the jam degree and the jam position of printing head, the washing pressure of the washing liquid of being convenient for adjusts, prevents that the too big messenger of pressure of washing liquid from printing the head impaired.
Further, a sponge is arranged at the bottom of Cheng Yechi opposite to the spray hole of the printing head, so that the viscosity between the impurity and the spray hole is reduced by soaking the sponge.
Dirt and impurity adhesion is an important cause of blockage of the printing head, and the sponge is arranged at the spray hole of the printing head, so that the spray hole can be kept wet when the sponge is soaked, dirt and the like are soaked and softened, are more easily dissolved in or washed away by the cleaning liquid, and the cleaning effect of the cleaning device can be enhanced.
Further, the cleaning device 10 for the droplet jetting 3D printhead further includes a cleaning solution filtering device, which is disposed between the liquid container 201 and the waste liquid collecting tank 50, so as to filter out insoluble impurities in the waste liquid, so as to facilitate recycling of the waste liquid.
In a preferred embodiment, the cleaning and filtering device is a filter screen, which is installed at the inlet of the waste liquid collecting tank 50 to filter insoluble impurities in the waste liquid.
In another preferred embodiment, the cleaning and filtering device is a net box containing activated carbon, and the net box is installed at the inlet of the waste liquid collecting tank 50 to filter insoluble impurities and the like in the waste liquid.
Further, a sponge that absorbs moisture is provided at the bottom of the support plate 302 to keep the nozzle holes of the print head moist.
Step S001, placing the droplet ejection 3D printhead into the mounting groove on the printhead adjusting device 30, and sleeving the mounting hole of the droplet ejection 3D printhead on the fixing post 3021;
step S002, the three interfaces of the three-way pipe 403 of the tank pump printing head are respectively connected with the liquid outlet of the cleaning liquid tank 401, the liquid inlet of the cleaning pump 402 and one ink inlet of the printing head, and the three interfaces of the three-way pipe 405 of the pump tank printing head are respectively connected with the liquid outlet of the cleaning pump 402, the other ink inlet of the printing head and the liquid inlet of the waste liquid collecting tank 50;
step S003, the first three-way valve 404 is adjusted to enable the liquid outlet of the cleaning liquid tank 401 to be communicated with the liquid inlet of the cleaning pump 402, the second three-way valve 406 is adjusted to enable the liquid outlet of the cleaning liquid to be communicated with the ink inlet of the printing head, and the cleaning pump 402 is started to clean the droplet jetting 3D printing head in the forward direction;
step S004, the cleaning pump 402 is closed, the supporting plate 302 is regulated until the spray hole of the droplet spraying 3D printing head contacts the sponge at the bottom of Cheng Yechi, so that the spray hole can infiltrate the sponge, meanwhile, the cleaning liquid is prevented from flowing out of the spray hole, and the cleaning liquid is retained in the droplet spraying 3D printing head for a preset time so as to soak and dissolve impurities of the casting droplet spraying 3D printing head;
step S005, blocking the through hole between the Cheng Yechi and the waste liquid collecting tank 50, pouring cleaning liquid into the liquid containing tank 201, and adjusting the height of the supporting plate 302 to enable the cleaning liquid to submerge the spray hole of the droplet spraying 3D printing head for 2 mm to 3 mm;
in step S006, the first three-way valve 404 is adjusted to connect the liquid inlet of the cleaning pump 402 with the ink inlet of the printhead, the second three-way valve 406 is adjusted to connect the liquid outlet of the cleaning pump 402 with the waste liquid collection tank 50, and the cleaning pump 402 is started to reversely clean the droplet jetting 3D printhead.
In step S007, the first three-way valve 404 is adjusted to connect the liquid outlet of the cleaning liquid tank 401 to the liquid inlet of the cleaning pump 402, the second three-way valve 406 is adjusted to connect the liquid outlet of the cleaning liquid to the ink inlet of the print head, the cleaning pump 402 is started to allow the cleaning liquid to enter the print head from the ink inlet and flow out from the nozzle, when more than 90% of the nozzle is discharged stably, the print head is cleaned, otherwise, the steps S004, S005 and S006 are repeated.
During forward cleaning, the blocking degree of the printing head can be known by observing the liquid outlet condition of the spray hole, and the spray hole or the inner cavity of the printing head is soaked for corresponding time according to the blocking degree of the printing head, so that the cleaning can be more efficient during flushing. Meanwhile, according to the liquid outlet condition of the spray hole and the pressure condition of the cleaning liquid, the flow rate of the cleaning liquid is regulated by regulating the three-way valve, so that the damage of the cleaning liquid to the printing head is prevented. Because the outlet of the orifice is smaller, some larger impurities are not easily expelled, but the ink inlet of the printhead is larger. When the cleaning liquid is reversely cleaned, the flow direction of the cleaning liquid enters the printing head from the spray hole and flows out of the printing head from the ink inlet, so that larger impurities can be easily discharged, and the cleaning effect is improved. Because the forward and reverse cleaning is followed, the impurity is not guaranteed to be completely cleaned, so that the cleaning liquid is guided forward to enter the printing head from the ink inlet and flows out of the printing head from the spray hole, the cleaning condition of the printing head can be judged according to the liquid outlet condition of the spray hole, and the printing head can be guaranteed to be cleaned.
The foregoing disclosure is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the scope of the invention, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the invention as defined by the appended claims.
Claims (3)
1. The method comprises the steps that cleaning is carried out according to a special cleaning device of a droplet jetting 3D printing head, the special cleaning device of the droplet jetting 3D printing head comprises a workbench, a plurality of printing head adjusting devices, a printing head drainage device and a waste liquid collecting tank, a circle of bulges are arranged on the edge of the workbench, so that the workbench forms a liquid containing tank capable of containing liquid, the printing head drainage device and the printing head adjusting devices are arranged in the liquid containing tank of the workbench, the bottom of the liquid containing tank is communicated with the upper end of a waste liquid collecting tank so as to discharge waste liquid after cleaning the printing head into the waste liquid collecting tank, when the printing head is cleaned, the printing head is arranged on the printing head adjusting devices, the printing head drainage device is communicated with one ink inlet of the printing head, the printing head drainage device comprises a cleaning liquid box, a cleaning pump, a box pump printing head three-way pipe, a first three-way valve, a pump three-way pipe, a liquid inlet of the box, a liquid inlet of the cleaning pump, one ink inlet of the printing head and one inlet of the printing head are respectively communicated with one interface of the box pump three-way pipe, the inlet of the cleaning liquid is respectively, and the liquid inlet of the cleaning liquid pump three-way pipe and the three-way pipe are respectively arranged at the inlet of the three-way pipe, the inlet of the cleaning liquid pump three-way pipe and the cleaning liquid pump three-way pipe; a sponge is arranged at the bottom of the Cheng Yechi and opposite to the spray hole of the printing head, so that the viscosity between impurities and the spray hole is reduced by soaking the sponge; the printing head adjusting device comprises an adjusting support, a supporting plate and an adjusting screw rod, wherein the adjusting support is fixedly connected with the workbench, a vertical adjusting groove is formed in the adjusting support, an assembly hole matched with the vertical adjusting groove is formed in the supporting plate, the adjusting screw rod penetrates through the vertical adjusting groove and the assembly hole and is sleeved with a nut, the adjusting support is fixedly connected with the supporting plate through extrusion of the nut of the adjusting screw rod, a plurality of placing grooves are formed in the supporting plate to place the printing head, fixing support posts are arranged on the upper surfaces of the supporting plates positioned on two sides of the placing grooves, and the assembly hole at the lower end of the printing head is sleeved on the fixing support posts so that the printing head is fixed on the supporting plate;
the method comprises the following steps:
step S001, placing the droplet jetting 3D printing head into a placing groove on a printing head adjusting device, and sleeving an assembly hole of the droplet jetting 3D printing head on a fixed support column;
step S002, connecting the three interfaces of the three-way pipe of the tank pump printing head with the liquid outlet of the cleaning liquid tank, the liquid inlet of the cleaning pump and one ink inlet of the printing head respectively, and connecting the three interfaces of the three-way pipe of the pump tank printing head with the liquid outlet of the cleaning pump, the other ink inlet of the printing head and the liquid inlet of the waste liquid collecting tank respectively;
step S003, the first three-way valve is adjusted to enable the liquid outlet of the cleaning liquid tank to be communicated with the liquid inlet of the cleaning pump, the second three-way valve is adjusted to enable the liquid outlet of the cleaning liquid to be communicated with the ink inlet of the printing head, and the cleaning pump is started to positively clean the droplet jetting 3D printing head;
step S004, closing a cleaning pump, adjusting a supporting plate until a spray hole of the droplet jetting 3D printing head contacts with the sponge at the bottom of the liquid containing pool, enabling the spray hole to infiltrate the sponge, simultaneously preventing the cleaning liquid from flowing out of the spray hole, and retaining the cleaning liquid in the droplet jetting 3D printing head for a preset time so as to soak and dissolve impurities of the droplet jetting 3D printing head;
step S005, blocking a through hole between the liquid containing pool and the waste liquid collecting tank, pouring cleaning liquid into the liquid containing pool, and adjusting the height of the supporting plate to enable the cleaning liquid to submerge the spray holes of the droplet jetting 3D printing head by 2-3 mm;
step S006, adjusting a first three-way valve to enable a liquid inlet of a cleaning pump to be communicated with an ink inlet of a printing head, adjusting a second three-way valve to enable a liquid outlet of the cleaning pump to be communicated with a waste liquid collecting tank, and starting the cleaning pump to reversely clean the droplet jetting 3D printing head;
step S007, adjusting the first three-way valve to enable the liquid outlet of the cleaning liquid tank to be communicated with the liquid inlet of the cleaning pump, adjusting the second three-way valve to enable the liquid outlet of the cleaning liquid to be communicated with the ink inlet of the printing head, starting the cleaning pump to enable the cleaning liquid to enter the printing head from the ink inlet and flow out from the spray holes, and when more than 90% of the spray holes stably discharge liquid, cleaning the printing head, otherwise repeating the steps S004, S005 and S006.
2. The droplet ejection 3D printhead cleaning method of claim 1, wherein: the special cleaning device for the droplet jetting 3D printing head further comprises a pressure gauge, wherein the pressure gauge is arranged on a branch pipe connected with the printing head through a three-way pipe of the pump tank printing head so as to detect the working pressure of cleaning liquid.
3. The droplet ejection 3D printhead-specific cleaning method of claim 1, wherein: the special cleaning device for the droplet jetting 3D printing head further comprises a cleaning liquid filtering device, wherein the cleaning liquid filtering device is arranged between the liquid containing tank and the waste liquid collecting tank, so that insoluble impurities in the waste liquid are filtered out, and the waste liquid can be recycled conveniently.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109290258A CN109290258A (en) | 2019-02-01 |
| CN109290258B true CN109290258B (en) | 2024-03-22 |
Family
ID=65146693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811328306.4A Active CN109290258B (en) | 2018-11-09 | 2018-11-09 | Special cleaning device and cleaning method for droplet jetting 3D printing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109290258B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (7)
| 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 |
| CN209094023U (en) * | 2018-11-09 | 2019-07-12 | 北方民族大学 | The dedicated cleaner of droplet ejection 3D printing head |
-
2018
- 2018-11-09 CN CN201811328306.4A patent/CN109290258B/en active Active
Patent Citations (7)
| 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 |
| CN209094023U (en) * | 2018-11-09 | 2019-07-12 | 北方民族大学 | The dedicated cleaner of droplet ejection 3D printing head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109290258A (en) | 2019-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20050024265A (en) | Fluid control valve and droplet discharging device | |
| CN109127538B (en) | Multi-station spray head automatic cleaning equipment and cleaning method | |
| CN102442068A (en) | Spray head cleaning device and working method thereof | |
| JP5300209B2 (en) | Suspended substance filtration device with filter cleaning nozzle | |
| CN109290258B (en) | Special cleaning device and cleaning method for droplet jetting 3D printing head | |
| CN107073968A (en) | The bubble removal method of ink gun and the bubble removal device of ink gun | |
| CN208960487U (en) | A kind of optical filter cleaning device | |
| WO2006109784A1 (en) | Method for removing air from ink jet device, and ink jet device | |
| CN103386818A (en) | A fluidic structure that allows removal of air bubbles from print heads without generating waste ink | |
| CN102989699B (en) | Cake mold cleaning machine | |
| CN209094023U (en) | The dedicated cleaner of droplet ejection 3D printing head | |
| CN217139524U (en) | Liquid filtering device | |
| JP4276230B2 (en) | Cleaning device | |
| CN113856317B (en) | But sewage filtration equipment of automatically cleaning blowdown | |
| JP4049084B2 (en) | Fluid control valve and droplet discharge device | |
| CN212016922U (en) | Filtering tank | |
| KR100759985B1 (en) | Sand filering apparatus and cleaning method for the same | |
| CN208928686U (en) | Multistation spray head automatic cleaning equipment | |
| CN100490727C (en) | Tableware washing apparatus | |
| JP5589021B2 (en) | Filter cleaning device | |
| JP6981179B2 (en) | Liquid injection device, maintenance method of liquid injection device | |
| JP4638267B2 (en) | High pressure washer strainer | |
| JP3827410B2 (en) | Air diffuser for membrane separator | |
| CN210680093U (en) | Anti-blocking color printing ink box with self-cleaning capability | |
| CN114798202B (en) | Nozzle, anti-blocking nozzle and spraying device formed by same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |