CN115214237A - Automatic color-mixing spray-painting system and method - Google Patents
Automatic color-mixing spray-painting system and method Download PDFInfo
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- CN115214237A CN115214237A CN202110416080.9A CN202110416080A CN115214237A CN 115214237 A CN115214237 A CN 115214237A CN 202110416080 A CN202110416080 A CN 202110416080A CN 115214237 A CN115214237 A CN 115214237A
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- 238000007592 spray painting technique Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims description 27
- 239000007788 liquid Substances 0.000 claims abstract description 365
- 239000007921 spray Substances 0.000 claims abstract description 15
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 238000004043 dyeing Methods 0.000 claims description 23
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000007639 printing Methods 0.000 claims description 4
- 239000003085 diluting agent Substances 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 3
- 238000009981 jet dyeing Methods 0.000 abstract description 3
- 239000000976 ink Substances 0.000 description 30
- 239000004744 fabric Substances 0.000 description 9
- 239000004753 textile Substances 0.000 description 9
- 238000005086 pumping Methods 0.000 description 8
- 239000000975 dye Substances 0.000 description 7
- 239000003086 colorant Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000007641 inkjet printing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000008213 purified water Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002759 woven fabric Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000009990 desizing Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000009979 jig dyeing Methods 0.000 description 1
- 238000009980 pad dyeing Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009999 singeing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- 210000002268 wool Anatomy 0.000 description 1
Images
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
- B41J2/21—Ink jet for multi-colour printing
-
- 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
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
-
- 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
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4078—Printing on textile
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nozzles (AREA)
Abstract
The application provides an automatic colour mixture spray-painting system includes: the liquid supply unit is filled with different kinds of liquid; the liquid supply unit is communicated with the liquid mixing unit; the flow control unit is connected with the liquid supply unit and controls the flow of the liquid in the liquid supply unit into the liquid mixing device; a liquid droplet ejecting unit that is connected to the liquid mixing device and ejects the liquid in the liquid mixing device onto a target medium; and the control device controls the flow control unit to work and controls the liquid drop spraying unit to spray according to the color required by the target medium. The automatic colour mixture jet-dyeing system that this application provided can control and change the ink colour that an inkjet printer head can spun, need not a plurality of inkjet printer heads and mutually supports, has simplified the design structure of jet-dyeing system.
Description
Technical Field
The invention relates to the technical field of textiles, in particular to an automatic color mixing spray-dyeing system and method.
Background
Textile, i.e. a product made by textile processing. The fabric comprises yarn, woven fabric, knitted fabric, braided fabric and the like, and is mainly divided into woven fabric and knitted fabric. In the textile industry, printing and dyeing of textiles is an essential process, and the printing and dyeing of textiles mainly comprises the following steps: preparing original cloth, singeing, desizing, scouring, bleaching, dyeing and mercerizing. The traditional dyeing is a relatively complex process, the dyeing processes of the cloth with different qualities are different, the pad dyeing and the jig dyeing can be used for some cotton, polyester cotton, hemp cotton, wool fabric, silk product chemical fiber products, blended products and the like, the high-temperature high-pressure dyeing is needed for some products, and the dyeing is needed for some products only once and for some products for many times. There are also different processes using different dyes, just as an example of basic all cotton cloth: although dyeing is possible with a single padder, it is also the most difficult procedure because the color control of dyeing is delicate, in addition to being known, as are many unknowns, such as dye stability at different temperatures, steam control, padder pressure control, etc.
In addition, the textile can be dyed in a spray dyeing mode, ink with colors is sprayed onto the textile through the ink-jet printing head, and compared with the traditional printing and dyeing method, the method has the advantages that the generated waste water is less, the energy consumption is low, and the environment is saved more. The difficulty is that the same equipment is used for realizing spray dyeing of different colors. One of the methods is to replace the dye solutions of different colors, but the whole ink path and the spray head of the equipment need to be cleaned before the new dye solution is filled, thereby wasting time and reducing efficiency. The second method uses a plurality of ink jet print heads, each of which ejects a dye solution of one color. The jet dyeing of different colors is realized by controlling the proportion of the dye liquor flow jetted by each ink jet printing head. However, the inkjet printing apparatus including a plurality of inkjet printing heads is more complicated and costly. There is therefore a need to invent a low cost spray dyeing system that can quickly control and change spray dyeing colors.
Disclosure of Invention
The application provides an automatic colour mixture spray-painting system, includes:
the liquid supply unit is filled with different kinds of liquid;
the liquid supply unit is communicated with the liquid mixing unit;
the flow control unit is connected with the liquid supply unit and controls the flow of the liquid in the liquid supply unit into the liquid mixing device;
a liquid droplet ejecting unit that is connected to the liquid mixing device and ejects the liquid in the liquid mixing device onto a target medium;
and the control device controls the flow control unit to work and controls the liquid drop spraying unit to spray according to the color required by the target medium.
The application also provides an automatic color-mixing spray-painting method, which adopts the automatic color-mixing spray-painting system and comprises the following steps:
the control device calculates the proportion of various liquids in the liquid supply unit according to the color required by the target medium, and sends an instruction to the flow control unit;
the flow control unit controls the flow of different liquids in the liquid supply unit into the liquid mixing unit according to the instruction;
the liquid mixing unit mixes the liquid flowing into the liquid mixing unit;
the liquid in the liquid mixing unit is transported to the droplet ejection unit and ejected from the droplet ejection unit onto a target medium.
The automatic colour mixture spray-painting system that this application provided can control and change an inkjet and beat the ink colour that printer head can spun, need not a plurality of inkjet and beat printer head and mutually support, simplifies the structure of spray-painting system, reduction equipment cost.
Drawings
FIG. 1 is a schematic diagram of an automatic color-mixing spray-painting system according to an embodiment;
FIG. 2 is a schematic diagram of an automatic color-mixing spray-painting system according to an embodiment;
FIG. 3 is a schematic diagram of an automatic color-mixing spray-painting method according to an embodiment;
fig. 4 is a schematic diagram of an automatic color-mixing spray-painting method according to an embodiment. '
Detailed Description
The invention includes various combinations of the embodiments described herein. Reference to "a particular embodiment" and the like refers to features that are present in at least one embodiment of the invention. Separate references to "one embodiment" or "a particular embodiment" and the like do not necessarily refer to the same embodiment or embodiments; however, unless explicitly indicated or apparent to one of ordinary skill in the art, these embodiments are not mutually exclusive. The use of the singular or plural in referring to "a method" or "methods" and the like is not limiting. It is expressly noted that the use of "or" is not intended to be an exclusive meaning unless expressly stated otherwise or required by context. Words such as "above," "below," "in.. Above," or "below" are intended to describe the positional relationship between features that lie in different planes, but it is to be understood that in one device orientation, a feature of one device lies "above" another feature, and if the device is turned upside down, a feature of the device will lie "below" another feature.
An embodiment of an automatic color mixing spray dyeing system is shown in fig. 1, and includes: a liquid supply unit 10, a liquid mixing unit 30, a droplet ejection unit 40, a flow control unit 20, and a control device 50. The liquid supply unit comprises six liquid supply tanks which are respectively a first liquid supply tank 110, a second liquid supply tank 120, a third liquid supply tank 130, a fourth liquid supply tank 140, a fifth liquid supply tank 150 and a sixth liquid supply tank 160, wherein different types of liquid are filled in the liquid supply tanks. In other embodiments, the liquid in the liquid supply tank may be of other colors and types. The mixture of black, magenta, yellow and cyan can realize full-color spray-painting, the purified water can be used for diluting the color, and the cleaning liquid cleans the whole system when the color of the target medium is changed
The liquid supply unit 10 is communicated with the liquid mixing unit 30, and different kinds of liquid in the liquid supply unit 10 enter the liquid mixing unit 30 to be mixed. The liquid mixing unit 30 comprises a liquid mixing device 310, the liquid mixing device 310 is a dye liquor storage device with an automatic stirring function, the six liquid supply tanks are all communicated into the liquid mixing device 310 through pipelines, and liquid in the liquid supply tanks enters the liquid mixing device to be mixed.
The flow control unit 20 is connected to the liquid supply unit 10, and the flow control unit 20 controls the flow rate of the liquid in the liquid supply unit 10 into the liquid mixing device 30, including: the number of the liquid pumps (6 in the embodiment) is the same as that of the liquid supply tanks, and the flow meters are corresponding to the liquid pumps. The liquid pump and the flow device are both located on the pipeline where the liquid supply tank is communicated to the liquid mixer 310, and one liquid pump is responsible for pumping liquid in one liquid storage tank into the liquid mixer 310. The first liquid pump P1 is located on a pipeline between the first liquid supply tank 110 and the liquid mixer 310, and is responsible for pumping the black ink in the first liquid supply tank 110 into the liquid mixer 310, and the first flow meter V1 is also located on a pipeline between the first liquid supply tank 110 and the liquid mixer 310, and is responsible for recording the flow rate of the black ink in the first liquid supply tank 110 pumped into the liquid mixer 310; the second liquid pump P2 is located on the pipeline between the second liquid supply tank 120 and the liquid mixer 310 and is responsible for pumping the magenta ink in the second liquid supply tank 120 into the liquid mixer 310, and the second flow meter V2 is also located on the pipeline between the second liquid supply tank 120 and the liquid mixer 310 and is responsible for recording the flow rate of the magenta ink in the second liquid supply tank 120 into the liquid mixer 310; the third liquid pump P3 is located on the pipe between the third liquid supply tank 130 and the liquid mixer 310, and is responsible for pumping the yellow ink in the third liquid supply tank 130 into the liquid mixer 310, and the third flow meter V3 is also located on the pipe between the third liquid supply tank 130 and the liquid mixer 310, and is responsible for recording the flow rate of the yellow ink in the third liquid supply tank 130 pumped into the liquid mixer 310; the fourth liquid drawing pump P4 is located on a pipeline between the fourth liquid supply tank 140 and the liquid mixer 310, and is responsible for drawing the cyan ink in the fourth liquid supply tank 140 into the liquid mixer 310, and the fourth flow meter V4 is also located on a pipeline between the fourth liquid supply tank 140 and the liquid mixer 310, and is responsible for recording the flow rate of the cyan ink in the fourth liquid supply tank 140 drawn into the liquid mixer 310; a fifth liquid drawing pump P5 is located on the pipeline between the fifth liquid supply tank 150 and the liquid mixer 310 and is responsible for drawing the purified water in the fifth liquid supply tank 150 into the liquid mixer 310, and a fifth flow meter V5 is also located on the pipeline between the fifth liquid supply tank 150 and the liquid mixer 310 and is responsible for recording the flow rate of the purified water in the fifth liquid supply tank 150 drawn into the liquid mixer 310; the sixth liquid pump P6 is located on the pipeline between the sixth liquid supply tank 160 and the liquid mixer 310 and is responsible for pumping the cleaning liquid in the sixth liquid supply tank 160 into the liquid mixer 310, and the sixth flow meter V6 is also located on the pipeline between the sixth liquid supply tank 160 and the liquid mixer 310 and is responsible for recording the flow rate of the cleaning liquid in the sixth liquid supply tank pumped into the liquid mixer 310.
The droplet ejection unit 40 is connected to the liquid mixing device 30 and ejects the liquid in the liquid mixing device 30 onto the target medium 60, and includes a droplet ejector 410 and a second ink supply device P7. The second ink supply device P7 delivers the liquid of the liquid mixer 310 to the droplet ejection device 410, and the droplet ejection device 410 ejects the droplets onto the target medium 60 for dyeing. The target medium 60 is a textile, which may be woven fabric or knitted fabric, and is supported on a supporting table 70, and the supporting table 70 rotates to drive the target medium 60 to move. The second ink supply device P7 may be a liquid pump or an air pump, and the droplet ejection device 410 includes at least one piezoelectric inkjet print head, a thermal foaming inkjet print head, or a continuous inkjet print head. The droplet ejection direction of the droplet ejection unit 410 may be horizontal or vertical.
The control device 50 controls the operation of the flow control unit 20 and controls the ejection of the droplet ejection unit 40 according to a desired color of the target medium 60. The control device 50 may be a computer, a single chip, or other devices with computer processing functions. The control device 50 is connected to the liquid pump and controls the operation of each liquid pump of the flow control unit 20, is connected to the flow meter of the flow control unit 20 and receives the flow rate information fed back by the flow meter, is connected to the second ink supply device P7 of the droplet ejection unit 40 and controls the operation of the second ink supply device P7, and is connected to the droplet ejector 410 of the droplet ejection unit 40 and controls the operation of the droplet ejector 410.
The control device 50 includes a color processing module, an instruction output module and an information receiving module, the color processing module calculates the ratio of each color liquid according to the color, the instruction output module sends an instruction to the flow control unit 20, the liquid mixing unit 30 and the droplet ejection unit 40, and the information receiving module receives the information fed back by the flow control unit 20, the liquid mixing unit 30 and the droplet ejection unit 40. The color processing module firstly calculates the mixing proportion of four color inks and the pure water dilution proportion according to the color required by the target medium 60, the instruction output module instructs the liquid pumps P1-P5 to start to pump the liquid in the liquid supply tanks respectively in charge, the flow meter starts to calculate the liquid flow rate pumped in each liquid supply tank, meanwhile, the flow rate information is returned to the information receiving module, and then the instruction output module sends an instruction to control the liquid pumps according to the returned flow rate information, for example, the flow rate of black ink reaches a limited value, the instruction output module enables the liquid pump P1 to close, and the black ink pumping is stopped. After the liquid enters the liquid mixer 310 and is mixed, the instruction output module sends an instruction to open the second ink supply device P7, so that the liquid in the liquid mixer 310 enters the droplet ejector 410, and then sends an instruction to eject the droplet ejector 410.
Another embodiment of an automatic color-mixing spray-painting system is shown in fig. 2, and the main difference between this embodiment and the above embodiments is that the liquid mixing unit 30 includes not only the liquid mixer 310, but also a liquid reservoir 320, a first liquid level detector L1, a second liquid level detector L2, and a first ink supply device P8. The liquid in the liquid supply unit 20 still enters the liquid mixer 310 to be mixed, the first ink supply device P8 connects the liquid mixer 310 and the reservoir 320, and allows the liquid in the liquid mixer 310 to enter the reservoir 320, and the first ink supply device P8 may be a liquid pump or a suction pump. The first liquid level detector L1 is connected to the liquid mixer 310 and detects a liquid level in the liquid mixer 310, and the second liquid level detector L2 is connected to the liquid storage device 320 and detects a liquid level in the liquid storage device 320. The first liquid level detector L1, the second liquid level detector L2 and the first ink supply device P8 are all connected with the control device 50.
When the first liquid level detector L1 detects that the liquid level is lower than the lower liquid level limit, the control device 50 commands the liquid pump to turn on and supply liquid to the liquid mixer 310, and when the first liquid level detector L1 detects that the liquid level is higher than the upper liquid level limit, the control device 50 commands the liquid pump to turn off and stop supplying liquid to the liquid mixer 310; when the second liquid level detector L2 detects that the liquid level is lower than the lower limit liquid level, the control device 50 commands the first ink supply device P8 to open and supply liquid to the liquid storage device 320, and when the second liquid level detector L2 detects that the liquid level is higher than the upper limit liquid level, the control device 50 commands the first ink supply device P8 to close and stop supplying liquid to the liquid storage device 320.
The spray dyeing system has two operation modes, one of which adopts the structure shown in fig. 1, since the liquid needs to be mixed in the liquid mixer 310, in order to ensure the uniformity of the mixed color, the mixed spray separation needs to be adopted to ensure that the liquid can be fully mixed in the liquid mixer 310, when the liquid mixing unit 30 mixes the liquid, the liquid drop spraying unit 40 stops spraying, and when the liquid mixing unit 30 does not mix the liquid, the liquid drop spraying unit sprays 40. Alternatively, with the structure shown in fig. 2, the liquid is mixed in the liquid mixer 310 and then enters the liquid reservoir 320, the liquid in the liquid reservoir 320 can be used for ejecting the liquid drop ejector 410, so as to realize mixing and ejection, and the liquid drop ejection unit 40 continues to eject the mixed liquid in the liquid mixing unit 30. In order to ensure that the liquid can be sufficiently mixed in the liquid mixer 310, the first ink supply device P8 stops operating when the liquid in the liquid mixer 310 is mixed.
Correspondingly, the application also proposes an automatic mixed-color spray dyeing method, which is combined with the spray dyeing system shown in fig. 2, and the method is shown in fig. 3 and comprises the following steps:
the control device 50 calculates the proportion of various types of liquid required by the liquid supply unit according to the color required by the target medium 60, and sends an instruction to the flow control unit 20;
the flow control unit 20 controls the flow of different liquids in the liquid supply unit 10 into the liquid mixing unit 30 according to the instruction;
the liquid mixing unit 30 mixes the liquids flowing into the liquid mixing unit 30;
the liquid in the liquid mixing unit 30 is transported to the droplet ejection unit 40 and ejected from the droplet ejection unit 40 onto the target medium 60.
The specific process of spray dyeing is shown in fig. 4, the control device 50 calculates a target flow rate required by each liquid according to a color required by the target medium 60, the liquid pumps P1 to P5 start to pump corresponding liquid from the liquid supply tank, the flow meters V1 to V5 record corresponding liquid flow rates and return information to the control device 50 in real time, the control device 50 judges whether the flow rate of any liquid exceeds a set target flow rate in real time, the target flow rate can be set according to actual conditions, if the flow rate exceeds the set target flow rate, the corresponding liquid pump stops pumping the liquid, and if the flow rate does not exceed the set target flow rate, the pumping is continued. The extracted liquids enter the liquid mixer 310 to be mixed, the mixed liquid enters the liquid storage device 320, and the liquid level detector monitors the liquid level in the liquid mixer 310 and the liquid storage device 320 in real time. When the first liquid level detector L1 detects that the liquid level is lower than the lower liquid level limit, the control device 50 commands the liquid pump to turn on and replenish the liquid into the liquid mixer 310, and when the first liquid level detector L1 detects that the liquid level is higher than the upper liquid level limit, the control device 50 commands the liquid pump to turn off and stop replenishing the liquid into the liquid mixer 310; when the second liquid level detector L2 detects that the liquid level is lower than the lower liquid level limit, the control device 50 commands the first ink supply device P8 to open and supply liquid to the liquid storage device 320, and when the second liquid level detector L2 detects that the liquid level is higher than the upper liquid level limit, the control device 50 commands the first ink supply device P8 to close and stop supplying liquid to the liquid storage device 320. The upper and lower level limits may be set according to the actual size of the liquid mixer 310 and the liquid reservoir 320. The liquid in the reservoir 320 then enters the droplet ejector 410, and the droplet ejector 410 ejects toward the target medium 60.
If the target medium 60 needs to be changed in color, the cleaning liquid is extracted and the liquid mixing unit 30 and the droplet ejection unit 40 are cleaned, and the above process is repeated again to start a new spray painting.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (16)
1. An automatic color mixing spray-painting system, comprising:
a liquid supply unit filled with different kinds of liquids;
the liquid supply unit is communicated with the liquid mixing unit;
the flow control unit is connected with the liquid supply unit and controls the flow of the liquid in the liquid supply unit into the liquid mixing device;
a droplet ejection unit that is connected to the liquid mixing device and ejects the liquid in the liquid mixing device onto a target medium;
and the control device controls the flow control unit to work and controls the liquid drop spraying unit to spray according to the required color of the target medium.
2. An automatic color-mixing spray-painting system according to claim 1, wherein the liquid supply unit comprises at least 4 liquid supply tanks respectively containing black ink, magenta ink, yellow ink and cyan ink.
3. The automatic color-mixing spray painting system of claim 2, wherein the liquid supply unit further comprises a diluent liquid supply tank and a cleaning liquid supply tank.
4. An automatic colour-mixing spray-painting system according to claim 1, characterised in that the flow control unit comprises a plurality of liquid-drawing pumps each of which draws a different liquid from the liquid-supply unit into the liquid-mixing device, and a plurality of flow meters corresponding to the liquid-drawing pumps, each of the flow meters measuring a respective flow of liquid from the liquid-supply unit into the liquid-mixing device.
5. An automatic color mixing spray painting system according to claim 1, wherein the liquid mixing unit comprises a liquid mixer, a first ink supply device and a liquid storage device, the liquid mixer is connected with the liquid supply unit, and the liquid mixer is connected with the liquid storage device through the first ink supply device.
6. An automatic colour-mixing spray-painting system according to claim 5, characterised in that the liquid-mixing unit comprises a level detector which detects the level of liquid in the liquid-mixer and the liquid reservoir.
7. An automatic color mixing spray painting system according to claim 1, characterized in that the liquid droplet jetting unit comprises a liquid droplet ejector and a second ink supply device, the second ink supply device connecting the liquid droplet ejector and the liquid mixing unit.
8. An automatic color mixing jet printing system as claimed in claim 7, wherein the droplet ejector comprises at least one piezoelectric inkjet printhead, thermal bubble inkjet printhead, or continuous inkjet printhead.
9. The automatic color-mixing spray painting system according to claim 7, characterized in that the droplet ejection direction of the droplet ejector is set in a horizontal direction or a vertical direction.
10. An automatic color mixing spray painting system according to claim 1, characterized in that the control device comprises a color processing module, an instruction output module and an information receiving module, wherein the color processing module calculates the proportion of liquid in each color according to the color, the instruction output module sends instructions to the flow control unit, the liquid mixing device and the liquid drop spraying unit, and the information receiving module receives the information fed back by the flow control unit and the liquid drop spraying unit.
11. An automatic color-mixing spray-dyeing method using the automatic color-mixing spray-dyeing system as claimed in claims 1 to 10, characterized by comprising:
the control device calculates the proportion of various liquids in the liquid supply unit according to the color required by the target medium, and sends an instruction to the flow control unit;
the flow control unit controls the flow of different liquids in the liquid supply unit into the liquid mixing unit according to the instruction;
the liquid mixing unit mixes the liquid flowing into the liquid mixing unit;
the liquid in the liquid mixing unit is transported to the droplet ejection unit and ejected from the droplet ejection unit onto a target medium.
12. The automatic color-mixing spray painting method according to claim 11, wherein the liquid droplet jetting unit stops jetting when the liquid mixing unit mixes the liquid, and the liquid droplet jetting unit jets when the liquid mixing unit does not mix the liquid.
13. The automatic color-mixing spray painting method according to claim 11, characterized in that the liquid droplet jetting unit continues jetting while the liquid mixing unit mixes the liquid.
14. The automatic color-mixing spray painting method according to claim 11, wherein the liquid mixing unit comprises a liquid mixer, a liquid reservoir, a first ink supply device and a liquid level detector, when the liquid level detector of the liquid mixer detects that the liquid level is lower than a lower liquid level limit setting, the flow control unit is turned on and supplies liquid to the liquid mixer, and when the liquid level detector of the liquid mixer detects that the liquid level is higher than an upper liquid level limit setting, the flow control unit is turned off and stops supplying liquid to the liquid mixer; when the liquid level detector of the liquid storage device detects that the liquid level is lower than the liquid level lower limit setting, the first ink supply device is started to supply liquid to the liquid storage device, and when the liquid level detector of the liquid storage device detects that the liquid level is higher than the liquid level upper limit setting, the first ink supply device is closed and stops supplying liquid to the liquid storage device.
15. An automatic color-mixing spray painting method according to claim 11, characterized in that the first ink supply device stops working when the liquid mixer mixes the liquid.
16. The automatic color-mixing spray painting method according to claim 11, characterized in that when the required color of the target medium changes, the flow control unit controls the cleaning liquid in the liquid supply unit to clean the liquid mixing unit and the liquid drop spraying unit.
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| CN202110416080.9A CN115214237A (en) | 2021-04-21 | 2021-04-21 | Automatic color-mixing spray-painting system and method |
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| CN202110416080.9A CN115214237A (en) | 2021-04-21 | 2021-04-21 | Automatic color-mixing spray-painting system and method |
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