CN-122008705-A - Sample jet printing equipment and operation method thereof

CN122008705ACN 122008705 ACN122008705 ACN 122008705ACN-122008705-A

Abstract

The present disclosure relates to sample jet printing apparatus and methods of operating the same. The sample inkjet printing apparatus includes a base (110), an inkjet printing unit (120) mounted to the base (110) and including an inkjet printing assembly (122), the inkjet printing assembly (122) including an inkjet printing liquid chamber (124) adapted to contain inkjet printing liquid and a plurality of inkjet needles (126) in communication with the inkjet printing liquid chamber (124), a plurality of ink cartridges (140) configured to respectively contain inkjet printing liquid of different inkjet printing liquid formulations for inkjet printing samples, an inkjet printing liquid supply system (150) configured to aspirate the inkjet printing liquid from one of the plurality of ink cartridges (140) and to supply the aspirated inkjet printing liquid to the inkjet printing assembly (122), and a first cleaning system located outside the inkjet printing assembly (122) and configured to clean at least the inkjet printing assembly (122) from outside the inkjet printing assembly (122).

Inventors

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Assignees

杭州宏华数码科技股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260325

Claims (16)

1. A sample jet printing apparatus comprising: a base (110); A jet printing unit (120) mounted to the base (110) and comprising a jet printing assembly (122), the jet printing assembly (122) comprising a jet printing liquid chamber (124) adapted to contain jet printing liquid and a plurality of jets (126) in communication with the jet printing liquid chamber (124); A plurality of ink cartridges (140) configured to respectively hold inkjet printing liquids of different inkjet printing liquid formulations for inkjet printing samples; a jet printing liquid supply system (150) configured to suck the jet printing liquid from one ink cartridge (140) of the plurality of ink cartridges (140) and supply the sucked jet printing liquid to the jet printing assembly (122), and A first cleaning system located outside the jet printing assembly (122) and configured to clean at least the jet printing assembly (122) from outside the jet printing assembly (122).
2. The sample jet printing apparatus of claim 1, wherein The base (110) comprising a front side and a rear side, the base (110) comprising a base (116) adapted to be placed on the ground and a mounting portion (118) protruding retractably from the front side at the rear side upwards from the base (116), the jet printing assembly (122) being mounted to the mounting portion (118) at the front side; the sample jet printing apparatus further comprises a water tank (160), a top side opening of the water tank (160) being located at a front side of the mounting portion (118) and positioned below the jet printing assembly (122), wherein the water tank (160) is configured to recover sewage from the first cleaning system.
3. The sample jet printing apparatus of claim 2, wherein the sample jet printing apparatus comprises a first water source, and the first cleaning system comprises a roller brush (162) mounted within the water tank (160), a first motor adapted to drive the roller brush (162) to move, and an overflow pipe (164) in communication with the first water source and for providing water to the roller brush (162), wherein the first motor is configured to move the roller brush (162) to enable cleaning of the jet printing assembly (122) from the jet printing assembly (122).
4. A sample jet printing apparatus according to claim 3, wherein the roller brush (162) is arranged across the water trough (160), the overflow pipe (164) is adjacent to the roller brush (162) and arranged side by side with the roller brush (162), the overflow pipe (164) comprises a plurality of overflow holes arranged along the length of the overflow pipe (164) such that water from the overflow pipe (164) is sprayed to the roller brush (162).
5. A sample jet printing apparatus according to claim 3, wherein the sample jet printing apparatus further comprises a second water source and a second cleaning system comprising a cleaning pump (176) adapted to communicate with the second water source and a cleaning conduit (178) in fluid communication with the jet printing chamber (124), the cleaning pump (176) being operative to supply water from the second water source to the jet printing chamber (124) to clean the jet printing assembly (122) from the interior of the jet printing assembly (122) when the second cleaning system is operated.
6. The sample inkjet printing apparatus of claim 5, wherein the inkjet printing liquid supply system (150) includes a liquid supply pump (152), a first conduit (154) adapted to fluidly connect the liquid supply pump (152) with one of the plurality of ink cartridges (140), and a second conduit (156) adapted to fluidly connect the liquid supply pump (152) with the inkjet printing chamber (124) of the inkjet printing assembly (122), the liquid supply pump (152) being configured to draw the inkjet printing liquid from one of the plurality of ink cartridges (140) via the first conduit (154) and supply the inkjet printing liquid to the inkjet printing chamber (124) of the inkjet printing assembly (122) via the second conduit (156) during an inkjet printing operation performed by the inkjet printing assembly (122).
7. The sample jet printing apparatus of claim 6, wherein the second cleaning system is disposed on the second conduit (156) and the cleaning conduit (178) is connected to the second channel (156) by a multi-way valve (161), the multi-way valve (161) comprising at least a first station at which the liquid supply pump (152) is in communication with the jet printing assembly (122) and the second water source is disconnected from the jet printing assembly (122), and a second station at which the liquid supply pump (152) is disconnected from the jet printing assembly (122) and the second water source is in communication with the jet printing assembly (122), the multi-way valve (161) being in the first station when the jet printing assembly (122) performs a jet printing operation, the multi-way valve (161) being in the second station when the jet printing assembly (122) is cleaned from the interior of the jet printing assembly (122).
8. The sample inkjet printing apparatus of claim 6 wherein the liquid supply pump (152) includes a single syringe pump (152), the syringe pump (152) being shared by the plurality of ink cartridges (140), the first conduit (154) being selectively switched between the plurality of ink cartridges (140) to selectively fluidly connect the syringe pump (152) with one of the plurality of ink cartridges (140); Wherein the syringe pump (152) further comprises a second motor for driving a piston of the syringe pump (152), the syringe pump (152) comprising, for each sample cycle, a pipetting mode in which the second motor rotates in a first direction to aspirate the inkjet fluid of one of the plurality of cartridges (140) into the pump cavity and a feed mode in which the second motor rotates in a second direction opposite the first direction to cause the inkjet fluid aspirated into the pump cavity to flow out of the pump cavity to be fed to the inkjet fluid cavity (124) of the inkjet assembly (122).
9. The sample jet printing apparatus of claim 8, further comprising a third washing system configured for washing the syringe pump (152), the third washing system being implemented as control logic for controlling the second motor, the control logic comprising rotating the second motor in the first direction to draw air and/or cleaning water into the syringe pump (152) and then in the second direction to expel the drawn air and/or cleaning water out of the syringe pump (152) with the first conduit (154) switched into communication with air and/or cleaning water.
10. The sample jet printing apparatus of any one of claims 5 to 9, wherein the sample jet printing apparatus further comprises a third water source and a fourth cleaning system comprising a faucet (171) detachably secured to the base station (110) and a flexible tube communicating the faucet (171) with the third water source, wherein the flexible tube is provided with a length adapted to cover at least one of an area where the plurality of ink cartridges (140) are located and an area where the jet printing assembly (122) is located.
11. The sample jet printing apparatus according to claim 10, further comprising a clean water tank (170) and a pipe system connected to the clean water tank (170), wherein the clean water tank (170) serves as a common water source for the first water source and/or the second water source and/or the third water source, the pipe system being configured to be connected to the clean water tank (170) to the first cleaning system, the second cleaning system and/or the fourth cleaning system, respectively, and/or Wherein the clean water tank (170) comprises a water inlet connected to an external water source through a filter (172), and/or The sample jet printing apparatus further comprises a sump (180), the sump (180) being connected to a drain of the sink (160) by a sump pipe (184) and being configured to collect water from the sink (160).
12. The sample jet printing apparatus of any one of claims 1 to 9, 11, further comprising a lifting device (126) mounted to the base (110) and for lifting the jet printing assembly (122), the lifting device (126) being configured to move the jet printing assembly (122) at least between a first jet printing assembly station corresponding to a jet printing operation position of the jet printing assembly (122) and a second jet printing assembly station corresponding to a cleaning operation position of the jet printing assembly (122), at which second jet printing assembly station the first cleaning system is activated to clean at least the jet printing assembly (122) from outside the jet printing assembly (122).
13. A method for operating a sample jet printing apparatus, comprising: Connecting a first conduit (154) with a first cartridge of the plurality of cartridges (140); Performing a first inkjet printing, including operating a syringe pump (152) to draw a first inkjet printing liquid from the first ink cartridge via the first conduit (154) and to supply the first inkjet printing liquid to a inkjet printing liquid chamber (124) of an inkjet printing assembly (122) via a second conduit (156) to inkjet print the first inkjet printing liquid to a first sample passing under the inkjet printing assembly (122); After the first jet printing, activating a first cleaning system to perform a first cleaning configured to clean at least the jet printing assembly (122) from outside the jet printing assembly (122), the first cleaning system including a roll brush (162) mounted in a water tank located below the jet printing assembly (122) and a water supply part to supply cleaning water to the roll brush (162); Connecting the first conduit (154) with a second cartridge of the plurality of cartridges (140) after performing the first purge; Performing a second jet printing comprising operating the syringe pump (152) again to draw a second jet printing liquid from the second ink cartridge via the first conduit (154) and to supply the second jet printing liquid to the jet printing liquid chamber (124) of the jet printing assembly (122) via the second conduit (156) to jet print the second jet printing liquid to a second sample passing under the jet printing assembly (122), and After the second jet printing, the first cleaning system is started to perform the first cleaning for the second time, and at least the jet printing assembly (122) is cleaned again from the outside of the jet printing assembly (122).
14. The method of claim 13, wherein activating the first cleaning system further comprises: Lowering the jet printing assembly (122) with a lifting device (126) to a predetermined cleaning position, at which the jet printing assembly (122) is at least partially in abutment with the roller brush (162), and In response to the jet printing assembly (122) at least partially abutting the roller brush (162), rotating the roller brush (162) and providing cleaning water to the roller brush (162) to clean the jet printing assembly (122) with the roller brush (162).
15. The method of claim 13, further comprising, after the first jet printing and before performing the second jet printing, activating a second cleaning system comprising a cleaning pump (176) and a cleaning conduit (178) in fluid communication with the jet printing liquid chamber (124), the cleaning pump (176) operating to supply self-cleaning water to the jet printing liquid chamber (124) during operation of the second cleaning system to clean the jet printing assembly (122) from the interior of the jet printing assembly (122).
16. The method of any of claims 13-15, further comprising: Communicating the first conduit (154) with air and/or clean water after the first jet printing and before connecting the first conduit (154) with the second cartridge of the plurality of cartridges (140), and Activating a third purging system, wherein the third purging system is implemented as control logic for controlling a motor of the syringe pump (152), the control logic comprising rotating the motor in the first direction to draw air and/or cleaning water into the syringe pump (152) and then in the second direction to expel the drawn air and/or cleaning water out of the syringe pump (152) with the first conduit (154) switched into communication with air and/or cleaning water.

Description

Sample jet printing equipment and operation method thereof Technical Field Embodiments of the present disclosure relate generally to digital inkjet printing, and in particular, to a sample inkjet printing apparatus and a method of inkjet printing a sample by the sample inkjet printing apparatus. Background In the digital jet printing industry, such as in the fields of fabric development, garment design, home textile production and personalized customization, color proofing of samples is a vital link. Prior to conventional mass dyeing or printing, color accuracy, pattern effect, fabric-to-dye matching and final hand feel look must be confirmed by hand sample test printing. The digital jet printing technology has become a core technology for modern textile proofing and small-batch production because of the advantages of no plate making, rich colors, natural gradual change, capability of rapidly outputting personalized patterns and the like. The jet printing device for large-format media is available in the market, but the jet printing device is complex in structure, huge in size and high in cost, and is not suitable for small-size, multi-variety and quick-replacement proofing scenes. There is a need for improvements over conventional digital inkjet printing devices to meet the needs of being dedicated to sample inkjet printing. Disclosure of Invention The present disclosure provides a sample jet printing apparatus for a sample jet printing apparatus and a method of jet printing a sample thereof, which aim to solve or mitigate one or more of the above problems. According to a first aspect of the present disclosure, there is provided a sample jet printing apparatus. The sample inkjet printing apparatus includes a base, an inkjet printing unit mounted to the base and including an inkjet printing assembly including an inkjet printing liquid chamber adapted to contain inkjet printing liquid and a plurality of inkjet needles in communication with the inkjet printing liquid chamber, a plurality of ink cartridges configured to respectively contain inkjet printing liquid of different inkjet printing liquid formulations for inkjet printing a sample, an inkjet printing liquid supply system configured to aspirate the inkjet printing liquid from one of the plurality of ink cartridges and supply the aspirated inkjet printing liquid to the inkjet printing assembly, and a first cleaning system located outside the inkjet printing assembly and configured to clean at least the inkjet printing assembly from outside the inkjet printing assembly. According to the method and the device, the sample can be subjected to multiple varieties and quick replacement, cleaning of the spray printing assembly can be realized, and cross contamination among different samples is prevented. In some embodiments, the base station includes a front side and a rear side, the base station including a base adapted to rest on the floor and a mounting portion protruding upwardly from the base retractably from the front side at the rear side, the jet printing assembly being mounted to the mounting portion at the front side, the sample jet printing apparatus further including a sink having a top side opening located at the front side of the mounting portion and positioned below the jet printing assembly, wherein the sink is configured to recover waste water from the first cleaning system. According to the method and the device, the layout of the sample jet printing equipment can be optimized in a user-friendly mode, coordination of different functional modules is achieved, and sample jet printing flow is improved. In some embodiments, the sample spray printing apparatus includes a first water source, and the first cleaning system includes a roller brush mounted within the water tank, a first motor adapted to drive movement of the roller brush, and an overflow tube in communication with the first water source and for providing water to the roller brush, wherein the first motor is configured to move the roller brush to enable cleaning of the spray printing assembly from the spray printing assembly. Thus, tilting of the jet printing assembly can be achieved with a roll brush and with good maintainability. In some embodiments, the roller brush is disposed across the water trough, the overflow tube is adjacent to the roller brush and is disposed side-by-side with the roller brush, the overflow tube includes a plurality of overflow holes disposed along a length of the overflow tube such that water from the overflow tube sprays onto the roller brush. In some embodiments, the sample inkjet printing apparatus further comprises a second water source and a second cleaning system comprising a cleaning pump adapted to communicate with the second water source and a cleaning conduit in fluid communication with the inkjet printing chamber, the cleaning pump operative to supply water from the second water source to the inkjet printing chamber to clean the inkjet printing ass