CN115042523B - Ink supply and spray head cleaning system of 3D printer - Google Patents
Ink supply and spray head cleaning system of 3D printer Download PDFInfo
- Publication number
- CN115042523B CN115042523B CN202210727818.8A CN202210727818A CN115042523B CN 115042523 B CN115042523 B CN 115042523B CN 202210727818 A CN202210727818 A CN 202210727818A CN 115042523 B CN115042523 B CN 115042523B
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- way valve
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- ink
- pipeline
- cleaning agent
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- 239000007921 spray Substances 0.000 title claims abstract description 74
- 238000004140 cleaning Methods 0.000 title claims abstract description 26
- 239000012459 cleaning agent Substances 0.000 claims abstract description 100
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims description 32
- 238000011010 flushing procedure Methods 0.000 claims description 12
- 230000005484 gravity Effects 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 1
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000003599 detergent Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000007641 inkjet printing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/16552—Cleaning of print head nozzles using cleaning fluids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Ink Jet (AREA)
Abstract
The invention relates to a 3D printer ink supply and spray head cleaning system, which comprises an ink supply system and a cleaning agent supply system; the ink supply system comprises a spray head, a main ink box and a circulating ink box; a first three-way valve is arranged on a connecting pipeline between the spray head and the main ink box, and a second three-way valve is arranged on a connecting pipeline between the spray head and the circulating ink box; the cleaning agent supply system comprises a cleaning agent tank and a cleaning agent recovery tank; the cleaning agent box is connected with the port B of the first three-way valve through a third pipeline, and the cleaning agent recovery box is connected with the port B of the second three-way valve through a fourth pipeline; the third pipeline and the fourth pipeline are respectively provided with a third three-way valve and a fourth three-way valve, and a port B of the third three-way valve is connected with a port A of the fourth three-way valve through a pipeline. The system solves the problems of inconvenient cleaning of the nozzle hole blockage and difficult maintenance of the nozzle caused by long-term shutdown of the printer.
Description
Technical Field
The invention relates to the technical field of 3D printing, in particular to an ink supply and spray head cleaning system of a 3D printer.
Background
At present, a continuous ink supply system is mostly adopted in an industrial ink-jet 3D printer, namely, external ink is supplied to an ink box of the printer through an ink supply pump in the working process of the printer, so that the ink box of the printer is always in a full state, and continuous printing production is realized. In printing applications, it is always unavoidable that the nozzle holes of the nozzle are blocked by foreign substances or condensation of ink. For a continuous ink supply system, when a certain nozzle of a printer needs to be cleaned or maintained, the problem nozzle is generally required to be detached from equipment to perform off-line cleaning treatment, so that the operation is very inconvenient; and the ink in the ink box needs to be emptied before the nozzle is detached, so that a large amount of ink is wasted.
In addition, when the printer is suddenly powered off and the air is cut off, the ink in the ink box can seep out from the spray holes of the spray heads due to losing negative pressure protection, so that the printer is polluted and even the spray heads are damaged. On the other hand, when the printer needs to be stopped for a long time, in order to prevent ink from precipitating and coagulating to block the spray head, the spray head is detached from the equipment, and the spray head is stored offline after being filled with cleaning agent in a conventional way; or, after the ink in the ink box and the spray head is discharged and poured with a cleaning agent on the device, the printing head is placed on the protective sponge for moisturizing. However, the above method can cause a large amount of ink waste, and meanwhile, because the negative pressure condition is not present in the spray head, only a small amount of cleaning agent can be remained in the spray head, and the cleaning agent needs to be added periodically for moisturizing, otherwise, the risk of drying and crystallization of the ink cavity of the spray head still exists.
Disclosure of Invention
Based on this, it is necessary to provide a 3D printer ink supply and nozzle cleaning system, which aims at the problems of the prior art that the nozzle holes of the nozzle are blocked and the cleaning is inconvenient and the problem of the nozzle maintenance difficulty caused by the long-term shutdown of the printer.
A3D printer ink supply and spray head cleaning system comprises an ink supply system and a cleaning agent supply system; the ink supply system comprises a spray head, a main ink box and a circulating ink box; a first three-way valve is arranged on a connecting pipeline between the spray head and the main ink box, and a second three-way valve is arranged on a connecting pipeline between the spray head and the circulating ink box; the cleaning agent supply system comprises a cleaning agent tank and a cleaning agent recovery tank; the cleaning agent box is connected with the port B of the first three-way valve through a third pipeline, and the cleaning agent recovery box is connected with the port B of the second three-way valve through a fourth pipeline; the third pipeline and the fourth pipeline are respectively provided with a third three-way valve and a fourth three-way valve, and a port B of the third three-way valve is connected with a port A of the fourth three-way valve through a pipeline.
Further, an ink filter is arranged between the first three-way valve and the spray head, and a C port of the first three-way valve is connected with the ink filter.
Further, a first liquid level meter and a second liquid level meter are respectively arranged in the main ink box and the circulating ink box.
Further, the main ink box is also provided with a main ink box ink inlet pipe and a first negative pressure pipeline; the main ink box ink inlet pipe is connected with the external liquid supply system, and the first negative pressure pipeline is connected with an external negative pressure source and used for balancing the gravity of ink in the main ink box.
Further, the circulating ink box is also provided with an ink outlet pipe of the circulating ink box and a second negative pressure pipeline; the circulating ink box ink outlet pipe is connected with an external ink outlet system, and the second negative pressure pipeline is connected with an external negative pressure source and is used for providing power for ink circulation.
Further, a cleaning agent liquid supply pump is arranged on the third pipeline.
Further, a cleaning agent filter is arranged on a third pipeline between the cleaning agent liquid supply pump and the third three-way valve, and the cleaning agent filter is connected to an A port of the third three-way valve through the third pipeline.
Further, a cleaning agent liquid outlet pump is further arranged on the fourth pipeline, an inlet of the cleaning agent liquid outlet pump is connected to a C port of the fourth three-way valve through the fourth pipeline, and an outlet of the cleaning agent liquid outlet pump is connected to the cleaning agent recovery box through the fourth pipeline.
Further, a three-way joint is arranged on a third pipeline between the third three-way valve and the first three-way valve, a negative pressure reducing valve and a positive pressure reducing valve are arranged on the three-way joint, one end of the positive pressure reducing valve is connected to an inlet of a cleaning agent liquid supply pump through a pipeline, one end of the negative pressure reducing valve is connected to an air filter through a pipeline, and the pressure of a cleaning agent supply system is regulated through the negative pressure reducing valve and the positive pressure reducing valve.
Further, each three-way valve is an electromagnetic valve.
According to the ink supply and spray head cleaning system of the 3D printer, the first three-way valve and the second three-way valve are respectively arranged between the spray head and the main ink box and between the spray head and the circulating ink box, and can be automatically closed when the power is off, so that the spray head pressure maintaining and storing function under the condition that the power or the air of the printer is off is realized, and the ink waste and the ink leakage risk of the ink box are avoided; by adding the cleaning agent supply system, the function of automatically pouring the cleaning agent into the spray nozzle is realized, and the problem of difficult pressure maintaining of the spray nozzle caused by long-term shutdown of the printer is solved; the cleaning agent supply system can realize the functions of supplying and recovering cleaning agents respectively by arranging the cleaning agent box and the cleaning agent recovery box, and can perform positive pressure flushing and negative pressure suction flushing on a single or a plurality of spray heads, thereby effectively solving the problem of spray head blockage.
Drawings
FIG. 1 is a schematic diagram of a 3D printer ink supply and head cleaning system according to the present invention;
FIG. 2 is a right side view of the nozzle and ink cartridge portion of the present invention.
Reference numerals: 1. the ink supply system comprises 2 parts of an ink supply system, 11 parts of a cleaning agent supply system, 11 parts of a spray head, 12 parts of a main ink box, 13 parts of a circulating ink box, 21 parts of a cleaning agent box, 22 parts of a cleaning agent recovery box, 111 parts of an ink filter, 121 parts of a first three-way valve, 122 parts of a first liquid level meter, 123 parts of a main ink box ink inlet pipe, 124 parts of a first negative pressure pipeline, 125 parts of a first pipeline, 131 parts of a second three-way valve, 132 parts of a second liquid level meter, 133 parts of a circulating ink box ink outlet pipe, 134 parts of a second negative pressure pipeline, 135 parts of a second pipeline, 211 parts of a third three-way valve, 212 parts of a cleaning agent supply pump, 213 parts of a cleaning agent filter, 214 parts of a three-way joint, 215 parts of a negative pressure relief valve, 216 parts of a positive pressure relief valve, 217 parts of an air filter, 218 parts of a third pipeline, 221 parts of a fourth three-way valve, 222 parts of a cleaning agent outlet pump, 223 parts of a fourth pipeline.
Description of the embodiments
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The following description of the 3D printer ink supply and nozzle cleaning system is provided in connection with specific embodiments to further understand the inventive concept of the 3D printer ink supply and nozzle cleaning system, referring to fig. 1, a 3D printer ink supply and nozzle cleaning system includes: an ink supply system 1 and a cleaning agent supply system 2; the ink supply system 1 includes a head 11, a main ink tank 12, and a circulation ink tank 13; a first three-way valve 121 is arranged on a connecting pipeline between the spray head 11 and the main ink box 12, and a second three-way valve 131 is arranged on a connecting pipeline between the spray head 11 and the circulating ink box 13; the cleaning agent supply system 2 includes a cleaning agent tank 21 and a cleaning agent recovery tank 22; the cleaning agent tank 21 is connected with the port B of the first three-way valve 121 through a third pipeline, and the cleaning agent recovery tank 22 is connected with the port B of the second three-way valve 131 through a fourth pipeline; the third pipeline and the fourth pipeline are respectively provided with a third three-way valve 211 and a fourth three-way valve 221, and a port B of the third three-way valve 211 is connected with a port A of the fourth three-way valve 221 through a pipeline.
According to the ink supply and spray head cleaning system of the 3D printer, the first three-way valve and the second three-way valve are respectively arranged between the spray head and the main ink box and between the spray head and the circulating ink box, and can be automatically closed when the power is off, so that the spray head pressure maintaining and storing function under the condition that the power or the air of the printer is off is realized, and the ink waste and the ink leakage risk of the ink box are avoided; by adding the cleaning agent supply system, the function of automatically pouring the cleaning agent into the spray nozzle is realized, and the problem of difficult pressure maintaining of the spray nozzle caused by long-term shutdown of the printer is solved; the cleaning agent supply system can realize the functions of supplying and recovering cleaning agents respectively by arranging the cleaning agent box and the cleaning agent recovery box, and can perform positive pressure flushing and negative pressure suction flushing on a single or a plurality of spray heads, thereby effectively solving the problem of spray head blockage.
In one embodiment, as shown in FIGS. 1-2, a 3D printer ink supply and head purge system, comprises: an ink supply system 1 and a cleaning agent supply system 2. Wherein the ink supply system 1 includes a head 11, a main ink tank 12, and a circulation ink tank 13; the spray head 11 is connected with the main ink box 12 through a first pipeline, and a first three-way valve 121 is arranged on the first pipeline, wherein an A port of the first three-way valve 121 is connected with the main ink box 12 through the first pipeline, and a C port of the first three-way valve 121 is connected with the spray head 11 through the first pipeline; the spray head 11 is connected with the circulating ink box 13 through a second pipeline, and a second three-way valve 131 is arranged on the second pipeline, wherein an A port of the second three-way valve 131 is connected with the circulating ink box 13 through the second pipeline, and a C port of the second three-way valve 131 is connected with the spray head 11 through the second pipeline. The first three-way valve 121 and the second three-way valve 131 are both in a closed state in the power-off state, and at the moment, three ports A, B, C of the first three-way valve 121 and the second three-way valve 131 are not communicated with each other, so that the spray head 11 is separated from the main ink box 12 and the spray head 11 is separated from the main ink box 13, the pressure maintaining function of the spray head is realized, and the ink leakage in the ink box and the spray head is avoided; when the nozzle is jetting ink normally, the a port and the C port of the first three-way valve 121 and the second three-way valve 131 communicate with each other, and ink jetting is performed. The cleaning agent supply system 2 includes a cleaning agent tank 21 and a cleaning agent recovery tank 22; wherein the cleaning agent tank 21 is connected with the port B of the first three-way valve 121 through a third pipeline, the cleaning agent recovery tank 22 is connected with the port B of the second three-way valve 131 through a fourth pipeline, and the third three-way valve 211 and the fourth three-way valve 221 are respectively arranged on the third pipeline and the fourth pipeline, and the port B of the third three-way valve 211 is connected with the port a of the fourth three-way valve 221 through pipelines. In the power-off state, the third three-way valve 211 and the fourth three-way valve 221 are both in a closed state, and at this time, the three ports A, B, C are not communicated with each other; when the spray head needs to be filled with cleaning agent, the port A of the third three-way valve 211 is communicated with the port C, the port B of the fourth three-way valve 221 is communicated with the port C, the port B of the first three-way valve 121 is communicated with the port C, the port B of the second three-way valve 221 is communicated with the port C, the cleaning agent supply system 2 rapidly discharges ink in the spray head and replaces the ink with the cleaning agent, and then the cleaning agent can be latched in the spray head after the second three-way valve 131, the fourth three-way valve 221, the third three-way valve 211 and the first three-way valve 121 are sequentially closed; when the spray head needs positive pressure flushing, the port A of the third three-way valve 211 is communicated with the port C, and the fourth three-way valve 221 is closed; when the nozzle needs to perform negative pressure suction flushing, the port B of the third three-way valve 211 is communicated with the port C, and the port B of the fourth three-way valve 221 is communicated with the port C, so that the negative pressure suction flushing of the nozzle is realized.
Preferably, as shown in fig. 1, a filter 111 is provided between the first three-way valve 121 and the head 11, wherein a C port of the first three-way valve 121 is connected to the filter 111. The filter 111 is preferably a butterfly filter, wherein the C port of the first three-way valve 121 is connected to the inlet of the butterfly filter through a first pipe, the outlet of the butterfly filter is connected to the ink inlet pipe 112 of the head 11 through a first pipe, the ink outlet pipe 113 of the head 11 is connected to the C port of the second three-way valve 131 through a second pipe, and the a port of the second three-way valve 131 is connected to the circulation cartridge 13 through a pipe. By providing the filter 111 at the front end of the ink inlet tube 112 of the head 11, foreign particles in the ink are prevented from entering the head 11 to block the nozzle hole.
In one embodiment, as shown in fig. 1-2, a first level gauge 122 and a second level gauge 132 are disposed in each of the main ink tank 12 and the circulation ink tank 13, and the liquid levels in the main ink tank 12 and the circulation ink tank 13 are monitored by the first level gauge 122 and the second level gauge 132, respectively. And, the main ink cartridge 12 is further provided with a main ink cartridge ink inlet pipe 123 and a first negative pressure pipeline 124, wherein the main ink cartridge ink inlet pipe 123 is connected with an external liquid supply system, and the first negative pressure pipeline 124 is connected with an external negative pressure source, so as to balance the gravity of ink in the main ink cartridge ink inlet pipe 12. Specifically, when the liquid level in the main ink tank 12 is lower than the installation position of the first level gauge 122, the external liquid supply system supplies ink to the main ink tank 12 through the main ink tank ink inlet pipe 123 until the liquid level reaches the installation position of the first level gauge 122 again. As shown in fig. 1-2, the circulation ink box 13 is further provided with a circulation ink box ink outlet pipe 133 and a second negative pressure pipeline 134, the circulation ink box ink outlet pipe 133 is connected with an external ink outlet system, and the second negative pressure pipeline 134 is connected with an external negative pressure source for providing power for ink circulation. Specifically, when the liquid level in the circulation tank 13 reaches the installation position of the second level gauge 132, the external ink outlet system immediately draws ink in the circulation tank 13 out through the phantom tank outlet tube 133 until the liquid level in the circulation tank 13 is below the installation position of the second level gauge 132.
In an embodiment, as shown in fig. 1, a cleaning agent supply pump 212 is further disposed on the third pipeline of the cleaning agent supply system 2, and the cleaning agent is delivered to the ink supply system 1 by the cleaning agent supply pump 212; wherein, a third pipeline between the detergent supply pump 212 and the third three-way valve 211 is further provided with a detergent filter 213, wherein an outlet of the detergent supply pump 212 is connected to an inlet of the detergent filter 213 through the third pipeline, an outlet of the detergent filter 214 is connected to an A port of the third three-way valve 211 through the third pipeline, and impurity particles in the detergent are filtered through the detergent filter 213, so that the impurity particles in the detergent are prevented from blocking a spray hole of the spray head. The fourth pipeline of the cleaning agent liquid supply system 2 is further provided with a cleaning agent liquid outlet pump 222, wherein an inlet of the cleaning agent liquid outlet pump 222 is connected to a C port of the fourth three-way valve 221 through the fourth pipeline, an outlet of the cleaning agent liquid outlet pump 222 is connected to the cleaning agent recovery box 22 through the fourth pipeline, and residual cleaning agent in the spray head is pumped back into the cleaning agent recovery box 22 through the cleaning agent liquid outlet pump 222.
In an embodiment, as shown in fig. 1, a three-way joint 214 is provided on a third pipeline between the third three-way valve 211 and the first three-way valve 121, and a negative pressure reducing valve 215 and a positive pressure reducing valve 216 are installed on the three-way joint 214, wherein one end of the positive pressure reducing valve 216 is connected to an inlet of the cleaning agent supply pump 212 through a pipeline, one end of the negative pressure reducing valve 215 is connected to an air filter 217 through a pipeline, the pressure of the cleaning agent supply system 2 is regulated through the negative pressure reducing valve 215 and the positive pressure reducing valve 216, and impurities in the air are prevented from entering an air path through the air filter 217.
Preferably, each of the three-way valves is a solenoid valve.
According to the ink supply and spray head cleaning system of the 3D printer, when the normal spray head is used for normal ink jet printing, the first three-way valve 121 and the second three-way valve 131 are both an A port and a C port which are communicated, so that the normal ink supply and ink circulation of the spray head are realized. When the printer is suddenly powered off or manually powered off, the first three-way valve 121 and the second three-way valve 131 are automatically closed to separate the nozzle from the main ink box and the circulating ink box, so that the pressure maintaining function of the nozzle is realized, and the ink leakage in the ink box and the nozzle is avoided. When the printer needs to be stopped for a long time, the port B of the first three-way valve 121 is communicated with the port C, the port B of the second three-way valve 131 is communicated with the port C, the port A of the third three-way valve 211 is communicated with the port C, the port B of the fourth three-way valve 221 is communicated with the port C, the cleaning agent liquid supply pump 212 and the cleaning agent liquid discharge pump 222 work simultaneously, the ink in the spray head is rapidly discharged and replaced by the cleaning agent, and then the second three-way valve 131, the fourth three-way valve 221, the cleaning agent liquid discharge pump 222, the cleaning agent liquid supply pump 212, the third three-way valve 211 and the first three-way valve 121 are sequentially closed, so that the cleaning agent can be locked in the spray head. When the spray head is cleaned, the port A of the third three-way valve 211 is communicated with the port C, the port B of the first three-way valve 121 and the port C of the second three-way valve 131 are communicated, and under the condition that the fourth three-way valve 221 is closed, the cleaning agent liquid supply pump 212 is started to perform positive pressure flushing on the spray head. The port B and the port C of the third three-way valve 211 are communicated. The port B of the first tee 121 communicates with the port C. Under the condition that the port B of the second three-way valve 131 is communicated with the port C, a cleaning agent liquid outlet pump 222 is started, the fourth three-way valve 221 is switched between different valve components, negative pressure suction flushing can be carried out on the spray head from the ink inlet and outlet pipes of the spray head respectively, after flushing is finished, the cleaning agent liquid supply pump 212, the cleaning agent liquid outlet pump 222, the third three-way valve 211 and the fourth three-way valve 221 are sequentially closed, and the second three-way valve 131 and the first three-way valve 121 are adjusted to the state when ink jet is normally printed, so that the cleaning effect can be tested.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (9)
1. A 3D printer ink supply and spray head cleaning system, the 3D printer ink supply and spray head cleaning system comprising: an ink supply system (1) and a cleaning agent supply system (2); the ink supply system (1) comprises a spray head (11), a main ink box (12) and a circulating ink box (13); a first three-way valve (121) is arranged on a connecting pipeline between the spray head (11) and the main ink box (12), and a second three-way valve (131) is arranged on a connecting pipeline between the spray head (11) and the circulating ink box (13); the cleaning agent supply system (2) comprises a cleaning agent tank (21) and a cleaning agent recovery tank (22); the cleaning agent box (21) is connected with the port B of the first three-way valve (121) through a third pipeline, and the cleaning agent recovery box (22) is connected with the port B of the second three-way valve (131) through a fourth pipeline; a third three-way valve (211) and a fourth three-way valve (221) are respectively arranged on the third pipeline and the fourth pipeline, and a port B of the third three-way valve (211) is connected with a port A of the fourth three-way valve (221) through a pipeline; an ink filter (111) is arranged between the first three-way valve (121) and the spray head (11), and a C port of the first three-way valve (121) is connected with the ink filter (111); the first three-way valve (121), the second three-way valve (131), the third three-way valve (211) and the fourth three-way valve (221) are not communicated with each other in a closing state when in a power-off state; when the 3D printer normally prints ink jet, an A port and a C port of the first three-way valve (121) and the second three-way valve (131) are communicated; when the spray head (11) is filled with cleaning agent, an A port of the third three-way valve (211) is communicated with a C port, a B port of the fourth three-way valve (221) is communicated with a C port, a B port of the first three-way valve (121) is communicated with a C port, and a B port of the second three-way valve (131) is communicated with a C port; when the spray head (11) is subjected to positive pressure flushing, an A port and a C port of the third three-way valve (211) are communicated, and the A port, the B port and the C port of the fourth three-way valve (221) are all in a closed state; and when the spray head (11) is subjected to negative pressure suction flushing, the port B of the third three-way valve (211) is communicated with the port C, and the port B of the fourth three-way valve is communicated with the port C.
2. The ink supply and head cleaning system of a 3D printer according to claim 1, wherein the main ink cartridge (12) and the circulating ink cartridge (13) are respectively provided with a first level gauge (122) and a second level gauge (132).
3. The ink supply and nozzle cleaning system of the 3D printer according to claim 2, wherein the main ink cartridge (12) is further provided with a main ink cartridge inlet pipe (123) and a first negative pressure pipeline (124); the main ink box ink inlet pipe (123) is connected with an external liquid supply system, and the first negative pressure pipeline (124) is connected with an external negative pressure source and is used for balancing the gravity of ink in the main ink box (12).
4. A 3D printer ink supply and head cleaning system according to claim 2, wherein the circulation cartridge (13) is further provided with a circulation cartridge outlet tube (133) and a second negative pressure line (134); the circulating ink box ink outlet pipe (133) is connected with an external ink outlet system, and the second negative pressure pipeline (134) is connected with an external negative pressure source and is used for providing power for ink circulation.
5. The 3D printer ink supply and head purging system as claimed in claim 1, wherein a purge fluid supply pump (212) is provided on the third conduit (218).
6. The ink supply and nozzle cleaning system of a 3D printer according to claim 5, wherein a cleaning agent filter (213) is arranged on a third pipeline (218) between the cleaning agent supply pump (212) and the third three-way valve (211), and the cleaning agent filter (213) is connected to an a port of the third three-way valve (211) through the third pipeline (218).
7. The ink supply and nozzle cleaning system of the 3D printer according to claim 1, wherein a cleaning agent outlet pump (222) is further arranged on the fourth pipeline (223), an inlet of the cleaning agent outlet pump (222) is connected to a C port of the fourth three-way valve (221) through the fourth pipeline (223), and an outlet of the cleaning agent outlet pump (222) is connected to the cleaning agent recovery tank (22) through the fourth pipeline (223).
8. The ink supply and nozzle cleaning system of a 3D printer according to claim 1, wherein a three-way joint (214) is arranged on a third pipeline between the third three-way valve (211) and the first three-way valve (121), a negative pressure reducing valve (215) and a positive pressure reducing valve (216) are arranged on the three-way joint (214), one end of the positive pressure reducing valve (216) is connected to an inlet of a cleaning agent supply pump (212) through a pipeline, one end of the negative pressure reducing valve (215) is connected to an air filter (217) through a pipeline, and the pressure of the cleaning agent supply system (2) is regulated through the negative pressure reducing valve (215) and the positive pressure reducing valve (216).
9. A 3D printer ink supply and head cleaning system according to any of claims 1-8, wherein each of said three-way valves is a solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210727818.8A CN115042523B (en) | 2022-06-27 | 2022-06-27 | Ink supply and spray head cleaning system of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210727818.8A CN115042523B (en) | 2022-06-27 | 2022-06-27 | Ink supply and spray head cleaning system of 3D printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115042523A CN115042523A (en) | 2022-09-13 |
| CN115042523B true CN115042523B (en) | 2023-09-01 |
Family
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Family Applications (1)
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| CN202210727818.8A Active CN115042523B (en) | 2022-06-27 | 2022-06-27 | Ink supply and spray head cleaning system of 3D printer |
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Citations (8)
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| US5870126A (en) * | 1995-01-20 | 1999-02-09 | Hitachi Koki Co., Ltd. | Ink jet printer having bubble purge mechanism |
| CN101314279A (en) * | 2007-05-28 | 2008-12-03 | 三星电子株式会社 | Ink jet head cleaning device and ink jet image forming apparatus having the same |
| CN202608250U (en) * | 2011-12-30 | 2012-12-19 | 上海梓安数控设备有限公司 | Apparatus used for cleaning printer nozzle |
| CN107199774A (en) * | 2017-05-03 | 2017-09-26 | 中山市神彩数字印花设备有限公司 | A kind of ink-jet system and its operating method |
| CN107571631A (en) * | 2016-07-05 | 2018-01-12 | 上海联点信息科技有限公司 | A kind of automatic cleaning sprayer device |
| CN207972412U (en) * | 2018-01-19 | 2018-10-16 | 爱司凯科技股份有限公司 | A kind of circulating spray-painting printer pneumatic system |
| CN210082677U (en) * | 2018-12-27 | 2020-02-18 | 广州瓦良格机器人科技有限公司 | Ink path circulating system of high-temperature glass ink-jet printer |
| CN211994704U (en) * | 2019-12-10 | 2020-11-24 | 东莞市友辉光电科技有限公司 | Structure for cleaning nozzle of spraying machine |
-
2022
- 2022-06-27 CN CN202210727818.8A patent/CN115042523B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5870126A (en) * | 1995-01-20 | 1999-02-09 | Hitachi Koki Co., Ltd. | Ink jet printer having bubble purge mechanism |
| CN101314279A (en) * | 2007-05-28 | 2008-12-03 | 三星电子株式会社 | Ink jet head cleaning device and ink jet image forming apparatus having the same |
| CN202608250U (en) * | 2011-12-30 | 2012-12-19 | 上海梓安数控设备有限公司 | Apparatus used for cleaning printer nozzle |
| CN107571631A (en) * | 2016-07-05 | 2018-01-12 | 上海联点信息科技有限公司 | A kind of automatic cleaning sprayer device |
| CN107199774A (en) * | 2017-05-03 | 2017-09-26 | 中山市神彩数字印花设备有限公司 | A kind of ink-jet system and its operating method |
| CN207972412U (en) * | 2018-01-19 | 2018-10-16 | 爱司凯科技股份有限公司 | A kind of circulating spray-painting printer pneumatic system |
| CN210082677U (en) * | 2018-12-27 | 2020-02-18 | 广州瓦良格机器人科技有限公司 | Ink path circulating system of high-temperature glass ink-jet printer |
| CN211994704U (en) * | 2019-12-10 | 2020-11-24 | 东莞市友辉光电科技有限公司 | Structure for cleaning nozzle of spraying machine |
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| CN115042523A (en) | 2022-09-13 |
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