CN117942727A - Recycling device for recycling gas of ink jet printer - Google Patents
Recycling device for recycling gas of ink jet printer Download PDFInfo
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- CN117942727A CN117942727A CN202410128182.4A CN202410128182A CN117942727A CN 117942727 A CN117942727 A CN 117942727A CN 202410128182 A CN202410128182 A CN 202410128182A CN 117942727 A CN117942727 A CN 117942727A
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- 238000004064 recycling Methods 0.000 title claims abstract description 59
- 238000011084 recovery Methods 0.000 claims abstract description 72
- 238000002156 mixing Methods 0.000 claims abstract description 65
- 239000002904 solvent Substances 0.000 claims abstract description 48
- 239000007921 spray Substances 0.000 claims abstract description 35
- 238000005507 spraying Methods 0.000 claims abstract description 28
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000009833 condensation Methods 0.000 claims description 31
- 230000005494 condensation Effects 0.000 claims description 31
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 31
- 238000010586 diagram Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 239000013589 supplement Substances 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- JSPLKZUTYZBBKA-UHFFFAOYSA-N trioxidane Chemical class OOO JSPLKZUTYZBBKA-UHFFFAOYSA-N 0.000 description 1
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- Ink Jet (AREA)
Abstract
The application relates to the field of ink code spraying machines, and particularly discloses a recycling device for recycling gas of an ink code spraying machine, which comprises a spray head and an ink mixing cylinder, wherein a cavity for storing solvent vapor is formed in the ink mixing cylinder, and a code spraying assembly communicated with the ink mixing cylinder is arranged in the spray head; the spray head is internally provided with a recovery port which is communicated with the ink mixing cylinder and used for recovering uncharged ink drops, and a recovery component used for sucking solvent is arranged between the recovery port and the ink mixing cylinder; the device is characterized in that a condensing recovery device for condensing, drying and conveying solvent vapor to the spray head is arranged on the ink mixing cylinder, an inlet and an exhaust port are formed in the condensing recovery device, the inlet is communicated with the cavity, the inlet is higher than the liquid level in the ink mixing cylinder, and the exhaust port is communicated with the spray head. The application has the effect.
Description
Technical Field
The application relates to the field of ink jet printers, in particular to a recycling device for recycling gas of an ink jet printer.
Background
The code spraying machine is a device which is controlled by software and performs identification on products in a non-contact mode.
In the related art, referring to fig. 1, a code spraying device for a code spraying machine comprises a spray head (01) and an ink system (02), wherein a recovery port (11), a high-voltage polar plate (12), a charging electrode (13), a nozzle (14), a recovery conveying pipe (15) and an ink supply conveying pipe (16) are arranged in the spray head (01), and the code spraying device further comprises a recovery pump (26) on the recovery conveying pipe (15); the ink system (02) comprises an ink extraction pipe (27), a mixing cylinder (21) and an ink supply subsystem (25), wherein the mixing cylinder (21) is a semi-closed container for storing circulating ink (22), and further comprises a mixing cylinder top cavity (23) and a mixing cylinder top exhaust port (24);
The ink system (02) conveys ink with controlled pressure and viscosity to the nozzle (14) through the ink supply conveying pipe (16), the nozzle (14) ejects ink points with the same speed and size under the control of the CPU, the ink points pass through the charging electrode (13) and the high-voltage polar plate (12) at high speed, the CPU charges different electric quantity for different ink points according to the jet printing content, the ink points generate different lateral displacements under the action of the high-voltage electrostatic field, finally the ink points are ejected to the surface of an object to form required patterns or characters, the ink points which are not charged with any electric charge are not subjected to the lateral electric field force, the straight flying direction is kept, and the straight flying direction is directly injected into the recovery port. The recovery power source rapidly sucks air or liquid or a gas-liquid mixture in the recovery pipe back into the ink system (02), and a large amount of mixed gas sucked back along with the recovery pipe is discharged into the atmosphere again from an exhaust port at the top of the mixing cylinder;
Particularly, most of the solvents of the ink commonly used in the code spraying industry at present are aromatic hydrocarbon high-volatile organic solvents such as ketoalcohols, and the like, which causes that a large amount of volatile solvents are contained in the air which is mixed and recycled into an ink system through a recycling pipe and the uncharged ink, and are discharged to the atmosphere through an exhaust port at the top of a mixing cylinder.
Disclosure of Invention
In order to reduce the direct exhaust of waste gas into the air and reduce the consumption of solvent, the application provides a recycling device for recycling gas of an ink jet printer.
The application provides a recycling device for recycling gas of a code spraying machine, which adopts the following technical scheme:
The recycling device for the recovered gas of the ink jet printer comprises a spray head and an ink mixing cylinder, wherein a cavity for storing solvent vapor is formed in the ink mixing cylinder, and a code spraying assembly communicated with the ink mixing cylinder is arranged in the spray head;
A recovery port which is communicated with the ink mixing cylinder and used for recovering uncharged ink drops is also arranged in the spray head, and a recovery component used for sucking solvent is arranged between the recovery port and the ink mixing cylinder;
The device is characterized in that a condensation recovery device for condensing, drying and conveying solvent vapor to the spray head is arranged on the ink mixing cylinder, an inlet and an exhaust port are formed in the condensation recovery device, the inlet is communicated with the cavity, the inlet is higher than the liquid level in the ink mixing cylinder, and the exhaust port is communicated with the spray head.
The ink drops ejected from the nozzles are accurately controlled by the CPU to charge according to the requirements of the jet printing content, and the ink drops with different charge amounts generate different drop point positions when ejected from the front of the nozzle due to different electrostatic deflection forces, so that different pattern characters are formed, and most of the ink drops are not charged and directly fly into the recovery port, are sucked back to the mixing cylinder and are circularly reciprocated; the vast majority of the air sucked back from the recovery port is air, the remaining very small part is uncharged ink drops, and the gas-liquid mixture is continuously fed into the mixing cylinder, wherein the mixture of air and solvent vapor is suspended in the top cavity of the mixing cylinder; because the main component of the ink (the solvent proportion is usually more than 90%) is a high-volatility solvent, a large amount of solvent vapor is entrained in the mixed air in the top cavity of the mixing cylinder, and the mixed air of the conventional ink jet printer is directly discharged; a condensing and drying device is arranged for condensing and drying the recovered gas and then recycling the recovered gas back to the spray head so as to supplement the recovery port to recover a large amount of air to be inhaled; the waste gas is reduced to be directly discharged into the air, the pollution to the environment is reduced, the solvent consumption can be reduced, meanwhile, the suction amount of the ink jet printer to the external air is reduced due to the recycling of the recovered gas, and the impurities which seriously affect the operation stability of the ink jet printer, such as the external dust, the water vapor and the like, are greatly sucked, so that the stability of the ink jet printer is improved.
Optionally, a guide seat is arranged on the ink mixing cylinder, the condensation recovery device is arranged on the guide seat, the inlet is arranged on the guide seat, and a guide inclined plane for guiding the ink solvent is formed at the bottom side of the inlet.
Through adopting above-mentioned technical scheme, setting up the water conservancy diversion seat that is used for seting up the entry can make condensation recovery unit more convenient installation fixed, and the water conservancy diversion inclined plane is cooperated again, can make the ink solvent after the condensation drying flow into in the cavity more smoothly, improves the smoothness nature and the convenience of ink solvent recovery.
Circulation air supplementing pipe
Optionally, a pneumatic pump for returning the dried air to the spray head is arranged between the condensation recovery device and the spray head.
Through adopting above-mentioned technical scheme, use the pneumatic pump can be with the air after the drying can more smoothly return to in the shower nozzle, can ensure more steadily that the interior atmospheric pressure of shower nozzle is unanimous with the interior atmospheric pressure of ink blending cylinder to ensure the smoothness nature of the interior air flow of inkjet.
Optionally, an air pressure balancing port is arranged on the ink mixing cylinder, and a breather valve for balancing air pressure of the cavity is arranged on the air pressure balancing port.
Through adopting above-mentioned technical scheme, offer the atmospheric pressure balanced port and install the breather valve, can prevent to produce negative pressure or superpressure in the cavity, reduce pressure variation and influence the stability of ink jet numbering machine, ensure the ink jet numbering effect of ink jet numbering machine.
Optionally, a cold end heat exchange cavity is formed in the condensation recovery device, the condensation recovery device is used for reducing the temperature in the cold end heat exchange cavity, the ink mixing cylinder is connected with an ink supply communicating pipe communicated with the spray code component, the ink supply communicating pipe is provided with a cold end heat exchange pipe, and the cold end heat exchange pipe is inserted in the cold end heat exchange cavity and used for reducing the ink temperature in the ink supply communicating pipe.
Through adopting above-mentioned technical scheme, the in-process that the ink jet numbering machine used, ink feed subsystem and recovery subassembly all can produce certain heat and conduct to the ink, can improve the temperature of the interior ink of ink mixing jar like this, and the change of temperature can produce certain influence to the inkjet of ink jet numbering machine, reduces the stability of inkjet of ink jet numbering machine, can balance the temperature of ink through cold junction heat exchange tube, ensures the invariable of ink temperature, improves the inkjet numbering machine stability.
Optionally, a hot end heat exchange cavity is formed in the condensation recovery device, the condensation recovery device is used for increasing the temperature in the hot end heat exchange cavity, an air supply communicating pipe communicated with the air pressure pump is connected to the air outlet, a hot end heat exchange pipe is arranged on the air supply communicating pipe, and the hot end heat exchange pipe is inserted in the hot end heat exchange cavity and used for increasing the temperature of air in the air supply communicating pipe.
Through adopting above-mentioned technical scheme, the dry air temperature through condensation recovery unit is lower, and the direct stability of easily influencing nozzle cutting ink point in the shower nozzle of discharging into, through hot junction heat exchange tube and hot junction heat exchange chamber cooperation to can improve the temperature of air better, compensate the recovery gas cooling because of the condensation leads to, ensure to return the temperature of the interior air of shower nozzle and improve, reduce low temperature air and exert an influence on ink point of inkjet printer shower nozzle, improve stability.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The ink in the ink mixing cylinder is pressurized by the ink supply system and then is sent to the nozzle, the charge quantity of ink drops ejected from the nozzle is accurately controlled by the CPU according to the requirements of the jet printing content, the ink drops with different charge quantities generate different drop point positions when ejected from the front of the nozzle due to different electrostatic deflection forces, so that different pattern characters are formed, and most of the ink drops which are not charged directly fly into the recovery port and are sucked back to the mixing cylinder to be circularly reciprocated; the vast majority of the air sucked back from the recovery port is air, the remaining very small part is uncharged ink drops, and the gas-liquid mixture is continuously fed into the mixing cylinder, wherein the mixture of air and solvent vapor is suspended in the top cavity of the mixing cylinder; because the main component of the ink (the solvent proportion is usually more than 90%) is a high-volatility solvent, a large amount of solvent vapor is entrained in the mixed air in the top cavity of the mixing cylinder, the part of mixed air of the conventional ink jet printer can be directly discharged, the part of solvent vapor is condensed and recovered, and the dried air is returned to the spray head so as to supplement the air requirement sucked by the recovery port; a condensing and drying device is arranged for condensing and drying the recovered gas and then recycling the recovered gas back to the spray head so as to supplement the recovery port to recover a large amount of air to be inhaled; the waste gas is directly discharged into the air, the pollution to the environment is reduced, the consumption of the solvent and the consumption of the ink solvent in the ink jet printer are reduced, meanwhile, due to the recycling of the recovered gas, the suction amount of the ink jet printer to the external air is reduced, and the impurities which seriously affect the operation stability of the ink jet printer, such as external dust and water vapor, are greatly reduced, so that the stability of the ink jet printer is improved;
2. The guide seat for opening the inlet is arranged, so that the condensation recovery device 3 can be installed and fixed more conveniently, and the guide inclined plane is matched, so that the condensed and dried ink solvent can flow into the cavity more smoothly, and the fluency and convenience of ink solvent recovery are improved;
3. in the use process of the ink jet printer, the ink supply subsystem and the recovery assembly can generate certain heat and conduct the heat to the ink, so that the temperature of the ink in the ink mixing cylinder can be increased, the change of the temperature can generate certain influence on the ink jet of the ink jet printer, the stability of the ink jet printer is reduced, the temperature of the ink can be balanced through the cold end heat exchange tube, the constancy of the temperature of the ink is ensured, and the stability of the ink jet printer is improved.
Drawings
Fig. 1 is a schematic structural diagram of a code spraying device for a code spraying machine in the background art.
Fig. 2 is a schematic structural diagram of a recycling device for recycling gas of a code spraying machine according to embodiment 1 of the present application.
Fig. 3 is a schematic structural diagram of a recycling device for recycling gas of a code spraying machine according to embodiment 2 of the present application.
Fig. 4 is a schematic structural diagram of a recycling device for recycling gas of a code spraying machine according to embodiment 3 of the present application.
Fig. 5 is a schematic structural diagram of a recycling device for recycling gas of a code spraying machine according to embodiment 4 of the present application.
Fig. 6 is a schematic structural diagram of the combination of embodiment 3 and embodiment 4 of the present application.
Reference numerals: 01. a spray head; 11. recovering the mouth; 12. a high voltage polar plate; 13. charging an electrode; 14. a nozzle; 15. a recovery conveying pipe; 16. an ink supply delivery tube; 02. an ink system; 21. an ink mixing cylinder; 22. circulating the ink; 23. a cavity; 24. an exhaust port; 25. an ink supply subsystem; 26. a recovery pump; 27. an ink extraction tube; 1. a spray head; 101. recovering the mouth; 102. a high voltage polar plate; 103. charging an electrode; 104. a nozzle; 105. a recovery conveying pipe; 106. an ink supply delivery tube; 201. an ink mixing cylinder; 202. an ink; 203. a cavity; 204. a respiratory valve; 205. an ink supply subsystem; 206. a recovery pump; 208. a pressure relief tube; 3. a condensation recovery device; 300. an inlet; 301. a cold end heat exchange plate; 302. an exhaust port; 303. a temperature sensor; 304. a semiconductor refrigeration device; 305. a hot side heat exchange plate; 306. a fan; 307. circulating an air supplementing pipe; 308. a cold end heat exchange tube; 309. a hot side heat exchange tube; 310. a pneumatic pump.
Detailed Description
The application is described in further detail below with reference to fig. 1-6.
The embodiment of the application discloses a recycling device for recycling gas of a code spraying machine.
Example 1:
Referring to fig. 2, a recycling device for recycling gas of a code spraying machine comprises a spray head 1 and an ink mixing cylinder 201, wherein a cavity 203 for storing solvent vapor is formed in the ink mixing cylinder 201, and a code spraying component communicated with the ink mixing cylinder 201 is installed in the spray head 1. The head 1 is also provided with a recovery port 101 which is communicated with the ink mixing cylinder 201 and is used for recovering uncharged ink drops, and a recovery component used for sucking solvent is fixed between the recovery port 101 and the ink mixing cylinder 201. The condensing and recovering device 3 for condensing and drying the solvent vapor and conveying the solvent vapor to the spray head 1 is fixed on the ink mixing cylinder 201, the condensing and recovering device 3 is provided with an inlet 300 and an exhaust port 302, the inlet 300 is communicated with the cavity 203, the inlet 300 is arranged at the top of the ink mixing cylinder 201 and is higher than the liquid level in the ink mixing cylinder 201, so that the recovered solvent vapor can be condensed and dried and then discharged into the spray nozzle 104, and the internal circulation of gas in the ink jet printer is realized. The solvent consumption is reduced, the loss of the solvent of the ink 202 in the ink jet printer is reduced, meanwhile, the suction amount of the ink jet printer to external air is reduced due to recycling of recovered gas, and impurities which seriously affect the operation stability of the ink jet printer due to the fact that external dust, water vapor and the like are greatly reduced, so that the stability of the ink jet printer is improved.
The ink mixing cylinder 201 is fixed with a guide seat, the condensation recovery device 3 is fixed on the guide seat, the inlet 300 is arranged on the guide seat, and a guide inclined plane for guiding the solvent of the ink 202 is formed at the bottom side of the inlet 300, so that the condensed solvent of the ink 202 can be recovered more smoothly.
The jet module comprises a high-pressure polar plate 102, a charging electrode 103, a nozzle 104 and an ink supply conveying pipe 106, wherein an ink supply subsystem 205 for conveying ink 202 to the nozzle 104 is fixed on the ink supply conveying pipe 106, the ink supply subsystem 205 is an ink supply pump, a pressure relief pipe 208 for preventing the pressure of the nozzle 104 from being overlarge is connected to the ink supply subsystem 205, the pressure relief pipe 208 is communicated with the cavity 203, and the pressure relief pipe 208 is formed, so that pressure relief can be performed through the pressure relief pipe 208 when the water pressure of the ink supply pump is large, and the forming effect of the ink 202 sprayed out by the nozzle 104 is improved.
A circulation gas supply pipe 307 for returning the dried recovered gas to the shower head 1 is fixed between the condensation recovery device 3 and the shower head 1, and the circulation gas supply pipe 307 is installed in the opening of the shower head close to the recovery port 101. Therefore, the condensed and dried gas can directly reach the vicinity of the recovery port, the interference on the flight path of the ink points in the spray head and the temperature of the ink points is reduced, and the jet printing quality and the jet printing stability are improved.
The recovery assembly comprises a recovery conveying pipe 105 for communicating the recovery port 101 with the ink mixing cylinder 201, and a recovery pump 206 is fixed on the recovery conveying pipe 105, and solvent vapor and air can be more smoothly pumped back through the recovery pump 206. The convenience of recycling by using the ink jet printer is improved.
The condensation recovery device 3 comprises a cold-end heat exchange plate 301, a hot-end heat exchange plate 305, a semiconductor refrigeration device 304 and a temperature sensor 303, wherein the semiconductor refrigeration device is used for reducing the temperature of the cold-end heat exchange plate 301 and increasing the temperature of the hot-end heat exchange plate 305, thereby achieving the law of conservation of energy and reducing the temperature of solvent vapor through the cold-end heat exchange plate 301. The temperature sensor 303 detects the temperatures of the cold-end heat exchange plate 301 and the hot-end heat exchange plate 305, so that the convenience in using the cold-end heat exchange plate 301 and the hot-end heat exchange plate 305 is improved. The fan 306 is arranged on the hot-end heat exchange plate 305, the temperature of the hot-end heat exchange plate 305 is reduced through the fan 306, and the convenience of using the condensation recovery device 3 is improved.
The implementation principle of the embodiment 1 is as follows: when the ink jet printer is used, the ink 202 in the ink mixing cylinder 201 is conveyed to the nozzle 104 through the ink supply pump, the charge quantity of ink drops ejected from the nozzle 104 is accurately controlled by the CPU according to the requirements of jet printing content, and the ink drops with different charge quantities generate different drop point positions when ejected from the front of the nozzle 1 due to different electrostatic deflection forces, so that different pattern characters are formed, and most of the ink drops which are not charged directly fly into the recovery port 101 and are sucked back to the mixing cylinder to be circularly reciprocated; when the solvent vapor passes through the condensation recovery apparatus 3, the solvent vapor is condensed and liquefied by the action of the low temperature again, and flows into the ink mixing tank 201 again through the inlet 300. The condensing and drying device is used for condensing and drying the recovered gas and then circularly returning the recovered gas to the spray head 1 again so as to supplement the recovered gas to recover a large amount of air to be inhaled, reduce the direct exhaust of waste gas into the air, reduce the pollution to the environment, reduce the consumption of solvents and reduce the loss of the solvents of the ink 202 in the ink jet printer.
Example 2:
Referring to fig. 3, a recycling apparatus for recycling gas of a code spraying machine is different from embodiment 1 in that a pneumatic pump 310 for returning dried air to the spray head 1 is fixed between the condensation recycling apparatus 3 and the spray head 1.
The air pressure balance port is fixed on the ink mixing cylinder 201, the breather valve 204 for balancing the air pressure of the cavity 203 is fixed on the air pressure balance port, and the air pressure in the ink mixing cylinder 201 can be balanced better through the breather valve 204, so that the overlarge air pressure in the ink mixing cylinder 201 is reduced.
The implementation principle of the embodiment 2 is as follows: the air pump 310 can be used to more smoothly inject the dried air into the nozzle 104, and the convenience of using the air pump 310 can be improved.
Example 3:
Referring to fig. 4, a recycling device for recycling gas of a code spraying machine is different from embodiment 1 in that a cold end heat exchange cavity is formed in a condensation recycling device 3, and the condensation recycling device 3 is used for reducing the temperature in the cold end heat exchange cavity; the ink mixing cylinder 201 is connected with an ink supply communicating pipe which is communicated with the ink supply conveying pipe 106, a cold end heat exchange pipe 308 is fixed on the ink supply communicating pipe, and the cold end heat exchange pipe 308 is inserted into the cold end heat exchange cavity and used for reducing the temperature of the ink 202 in the ink supply communicating pipe.
The implementation principle of the embodiment 3 is as follows: the difference with embodiment 1 is that, during the use of the ink jet printer, the ink supply pump and the recovery pump 206 generate a certain amount of heat, so that the temperature in the ink mixing cylinder 201 can be gradually increased, the temperature of the ink 202 can be balanced better through the heat exchange tube of the freezing tube and the heat exchange cavity of the cold end, and the jet effect of the ink jet printer is improved.
Example 4:
Referring to fig. 5, a recycling device for recycling gas of an ink jet printer is different from embodiment 1 in that a hot end heat exchange cavity is formed in a condensation recycling device 3, and the condensation recycling device 3 is used for increasing the temperature in the hot end heat exchange cavity. The air outlet 302 is connected with an air supply communicating pipe which is communicated with the air pressure pump 310, a hot end heat exchange tube 309 is fixed on the air supply communicating pipe, and the hot end heat exchange tube 309 is inserted in the hot end heat exchange cavity and is used for increasing the temperature of air in the air supply communicating pipe.
The implementation principle of the embodiment 4 is as follows: the difference from embodiment 1 is that the temperature of the vapor solvent is reduced after the vapor solvent is condensed and liquefied by the condensation recovery device 3, and then the vapor solvent is matched with the hot end heat exchange tube 309 and the hot end heat exchange cavity, so that the purpose of heating the dry air can be achieved, the temperature of the air in the return nozzle 1 is ensured to be increased, and the influence of the low-temperature air on the ink dots of the nozzle 1 of the ink jet printer is reduced.
Referring to fig. 6, when in use, embodiment 3 can be combined with embodiment 4, so that the ink jet printer can be used more stably under the action of the cold side heat exchange tube 308 and the hot side heat exchange tube 309.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (6)
1. The recycling device for the recovered gas of the ink jet printer comprises a spray head (1) and an ink mixing cylinder (201), wherein a cavity (203) for storing solvent vapor is formed in the ink mixing cylinder (201), and a code spraying assembly communicated with the ink mixing cylinder (201) is arranged in the spray head (1);
A recovery port (101) which is communicated with the ink mixing cylinder (201) and used for recovering uncharged ink drops is also formed in the spray head (1), and a recovery component used for sucking solvent is arranged between the recovery port (101) and the ink mixing cylinder (201);
The device is characterized in that a condensation recovery device (3) for condensing, drying and conveying solvent vapor to the spray head (1) is arranged on the ink mixing cylinder (201), an inlet (300) and an exhaust port (302) are formed in the condensation recovery device (3), the inlet (300) is communicated with the cavity (203), the height of the inlet (300) is higher than the height of the liquid level in the ink mixing cylinder (201), and the exhaust port (302) is communicated with the spray head (1).
2. The recycling device for recycling gas of a code spraying machine according to claim 1, wherein: the ink mixing tank (201) is provided with a guide seat, the condensation recovery device (3) is arranged on the guide seat, the inlet (300) is arranged on the guide seat, and a guide inclined plane for guiding the solvent of the ink (202) is formed at the bottom side of the inlet (300).
3. The recycling device for recycling gas of a code spraying machine according to, wherein the recycling device comprises: circulation air supplementing pipe
The recycling device for recycling gas of a code spraying machine according to claim 1, wherein: a pneumatic pump (310) for returning the dried air to the spray head (1) is arranged between the condensation recovery device (3) and the spray head (1).
4. The recycling device for recycling gas of a code spraying machine according to claim 4, wherein: an air pressure balance port is arranged on the ink mixing cylinder (201), and a breather valve (204) for balancing the air pressure of the cavity (203) is arranged on the air pressure balance port.
5. The recycling device for recycling gas of a code spraying machine according to claim 1, wherein: the cold end heat exchange cavity is formed in the condensation recovery device (3), the condensation recovery device (3) is used for reducing the temperature in the cold end heat exchange cavity, the ink mixing cylinder (201) is connected with an ink supply communicating pipe communicated with the ink jet component, the ink supply communicating pipe is provided with a cold end heat exchange pipe (308), and the cold end heat exchange pipe (308) is inserted into the cold end heat exchange cavity and used for reducing the temperature of ink (202) in the ink supply communicating pipe.
6. The recycling device for recycling gas of a code spraying machine according to claim 4, wherein: the condensing and recycling device (3) is internally provided with a hot end heat exchange cavity, the condensing and recycling device (3) is used for improving the temperature in the hot end heat exchange cavity, the exhaust port (302) is connected with an air supply communicating pipe which is communicated with the air pressure pump (310), the air supply communicating pipe is provided with a hot end heat exchange pipe (309), and the hot end heat exchange pipe (309) is inserted in the hot end heat exchange cavity and used for improving the temperature of air in the air supply communicating pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410128182.4A CN117942727A (en) | 2024-01-30 | 2024-01-30 | Recycling device for recycling gas of ink jet printer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410128182.4A CN117942727A (en) | 2024-01-30 | 2024-01-30 | Recycling device for recycling gas of ink jet printer |
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| CN117942727A true CN117942727A (en) | 2024-04-30 |
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| CN202410128182.4A Pending CN117942727A (en) | 2024-01-30 | 2024-01-30 | Recycling device for recycling gas of ink jet printer |
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| CN (1) | CN117942727A (en) |
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- 2024-01-30 CN CN202410128182.4A patent/CN117942727A/en active Pending
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