CN110356115B - Print shower nozzle cleaning and maintenance device - Google Patents
Print shower nozzle cleaning and maintenance device Download PDFInfo
- Publication number
- CN110356115B CN110356115B CN201910708275.3A CN201910708275A CN110356115B CN 110356115 B CN110356115 B CN 110356115B CN 201910708275 A CN201910708275 A CN 201910708275A CN 110356115 B CN110356115 B CN 110356115B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 81
- 238000012423 maintenance Methods 0.000 title claims abstract description 27
- 239000002904 solvent Substances 0.000 claims abstract description 99
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 239000007921 spray Substances 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims description 22
- 238000001704 evaporation Methods 0.000 claims description 21
- 238000011084 recovery Methods 0.000 claims description 16
- 230000008020 evaporation Effects 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 7
- 230000005494 condensation Effects 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000000976 ink Substances 0.000 description 9
- 230000002349 favourable effect Effects 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 5
- 238000005406 washing Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000000243 solution Substances 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
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
-
- 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
-
- 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
- B41J2/16502—Printhead constructions to prevent nozzle clogging or facilitate nozzle cleaning
-
- 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
-
- 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
- B41J2/16535—Cleaning of print head nozzles using wiping constructions
-
- 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
-
- 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
- B41J2002/16558—Using cleaning liquid for wet wiping
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Ink Jet (AREA)
Abstract
The invention relates to the technical field of equipment maintenance, and discloses a printing nozzle cleaning and maintaining device, which comprises: the cleaning tank comprises an accommodating space, and a plurality of wiping rollers which are sequentially arranged at intervals are arranged in the accommodating space; the solvent steam supply device is provided with a first steam output passage and a second steam output passage, and the first steam output passage is connected with the bottom of the cleaning tank and communicated with the accommodating space; the second steam output passage is used for being communicated with the liquid inlet pipeline of the spray head assembly, and a pressurizing device is arranged between the second steam output passage and the liquid inlet pipeline of the spray head assembly. This print the clean device of maintaining of shower nozzle can carry out different maintenance cleanness to printing apparatus at printing apparatus's different time quantums, effectively avoids printing the shower nozzle and appears blocking phenomenon, keeps printing the shower nozzle smooth to avoid frequently changing to print the shower nozzle, promote printing apparatus's printing quality and efficiency.
Description
Technical Field
The invention relates to the technical field of equipment maintenance, in particular to a cleaning and maintaining device for a printing nozzle.
Background
At present, OLED inkjet prints printing head group of adaptation, it is every row of 256 shower nozzles group that are the angle of 85 to constitute by three, often there is the phenomenon of incomplete china ink jam in printing the in-process, and it just can not normally print the use to reach 30% machine when the shower nozzle jam proportion, and the phenomenon of little jam appears as single shower nozzle, can influence the injection angle of ink droplet, and phenomenons such as hourglass drop can appear, influence and print the quality, and because OLED inkjet beats printer head very expensive, frequent change can cause very big loss, therefore, equipment needs a scheme that can thoroughly clean maintenance shower nozzle, improve the state of shower nozzle, reduce the phenomenon that incomplete china ink blockked up the nozzle.
Disclosure of Invention
The invention discloses a printing nozzle cleaning and maintaining device which can be used for performing different maintenance and cleaning on printing equipment at different time periods of the printing equipment, effectively avoiding the phenomenon of blockage of the printing nozzle and keeping the printing nozzle smooth, thereby avoiding frequent replacement of the printing nozzle, reducing equipment loss and being beneficial to improving the printing quality and efficiency of the printing equipment.
In order to achieve the purpose, the invention provides the following technical scheme:
a print head cleaning and maintenance device comprising:
the cleaning tank comprises an accommodating space, a plurality of wiping rollers which are sequentially arranged at intervals and used for wiping printing nozzles of the nozzle assembly are arranged in the accommodating space, and the axial lead of each wiping roller is perpendicular to the arrangement direction of the wiping rollers;
the driving device is used for driving the wiping roller to rotate around the central axis of the wiping roller;
a solvent vapor supply device having a first vapor output passage and a second vapor output passage, the first vapor output passage being connected to the bottom of the cleaning tank and communicating with the accommodating space for supplying solvent vapor into the cleaning tank; the second steam output passage is communicated with a liquid inlet pipeline of the spray head assembly, and a pressurizing device is arranged between the second steam output passage and the liquid inlet pipeline of the spray head assembly.
In the above printing nozzle cleaning and maintaining device, the cleaning tank is provided with an opening at the top, wherein, for convenience of description, according to the working position of the whole device, the direction from the bottom of the cleaning tank to the top is vertical upward, the cleaning tank is provided with a containing space, the containing space is internally provided with a plurality of wiping rollers which are arranged at intervals, namely the wiping rollers are flatly paved in the containing space, each wiping roller is connected with a driving device, the driving device can drive the wiping roller to rotate around the central axis of the driving device, namely the wiping roller rotates, in addition, the bottom of the cleaning tank is connected with a first steam output passage of a solvent steam supply device, the solvent steam supply device provides first solvent steam for the containing space of the cleaning tank through the first steam output passage, when the printing equipment is in a standby state, especially in a long-time standby state, the printing nozzle assembly can be moved to the cleaning tank to be opposite to the cleaning tank, and the printing nozzle is aligned with the wiping roller in the cleaning groove, the solvent steam supply device is started, first solvent steam is provided for the cleaning groove through the first steam output passage, the first solvent steam is gradually diffused to the top at the bottom of the cleaning groove and can be diffused to the printing nozzle, the first solvent steam can dissolve particles or residual organic ink accumulated on a nozzle of the printing nozzle and can keep the nozzle of the printing nozzle moist, meanwhile, the driving device is started to rotate the wiping roller, the first solvent steam is also adhered to the wiping roller, namely, the surface of the wiping roller is a moist surface, the surface layer of the wiping roller is made of rubber materials, the printing nozzle assembly is controlled to move in the horizontal direction, the printing nozzle and the wiping roller move relatively, the wiping roller wipes the printing nozzle, wherein the horizontal moving direction of the printing nozzle is opposite to the moving direction of a point of the wiping roller, which is far away from the bottom of the cleaning groove, the wiping roller can wipe off dissolved particles and the like on the printing nozzle, so that the situation that the surface of the printing nozzle is dry or the surface of the particles is polluted can be prevented, meanwhile, the first steam output passage continuously provides first solvent steam, the nozzle of the printing nozzle can be kept wet by the first solvent steam, and residual ink in the printing nozzle is prevented from being dry; in addition, a second steam output passage of the solvent steam supply device is used for being connected with a liquid inlet pipeline of the printing spray head assembly, a pressurizing device is connected between the second steam output passage and the liquid inlet pipeline of the printing spray head assembly, namely the second steam output passage is connected with the input end of the pressurizing device, the output end of the pressurizing device is connected with the liquid inlet pipeline of the printing spray head assembly, when the printing equipment is maintained, or an ink storage device of the printing equipment is replaced, or before the printing equipment is ready to print and in the printing interval stage, the printing spray head assembly needs to be thoroughly washed, the output end of the pressurizing device can be communicated with the liquid inlet pipeline of the printing spray head assembly, then the solvent steam supply device supplies second solvent steam through the second steam output passage, the second solvent steam is pressurized to a certain extent after passing through the pressurizing device, and the second solvent steam can enter the printing spray head assembly through the liquid inlet pipeline and be sprayed out through the printing spray head assembly, thoroughly wash printing shower nozzle inside, guarantee to print the smoothness of shower nozzle, be favorable to guaranteeing to print the quality, wherein, can judge the jam condition of printing the shower nozzle according to each situation of printing shower nozzle blowout solvent, then pressurize so that better washing printing the shower nozzle through adjusting pressure device to second solvent steam, make printing the shower nozzle and washed totally, guarantee smoothly.
Consequently, above-mentioned print shower nozzle clean maintenance device can carry out different maintenance cleanness to printing apparatus at printing apparatus's different time quantums, effectively avoids printing the shower nozzle and appears blocking phenomenon, keeps printing the shower nozzle smooth to avoid frequently changing to print the shower nozzle, reduce the equipment loss, and be favorable to promoting printing apparatus's printing quality and efficiency.
Optionally, the solvent vapor supply device includes a solvent storage device, a vapor generator connected to the solvent storage device and communicated with the first vapor output passage, and a first heating and evaporating device connected to the solvent storage device and communicated with the second vapor output passage, a delivery pump is disposed between the solvent storage device and the first heating and evaporating device, an input end of the delivery pump is connected to the solvent storage device, and an output end of the delivery pump is connected to the first heating and evaporating device.
Optionally, the bottom of the accommodating space of the cleaning groove is provided with foam.
Optionally, a temperature control device is arranged outside the bottom of the cleaning tank.
Optionally, the print head cleaning and maintaining device further includes a collecting tank disposed on one side of the periphery of the cleaning tank and spaced apart from the cleaning tank, and the collecting tank is configured to receive the solvent sprayed by the print head.
Optionally, the print head cleaning and maintenance device further comprises a solvent recovery and treatment device communicated with the collecting tank.
Optionally, the solvent recovery processing device comprises a filtration and impurity removal device communicated with the collecting tank, a second heating and evaporation device connected with the filtration and impurity removal device, and a condensation recovery device connected with the second heating and evaporation device.
Optionally, the condensation recovery device is connected with the solvent vapor supply device for inputting the recovered solvent to the solvent vapor supply device.
Optionally, the cleaning tank and/or the collecting tank are provided with an ultrasonic device.
Optionally, pressure device's input pipeline with second steam output tube says and connects, the shower nozzle subassembly includes multirow shower nozzle group, the feed liquor pipeline of shower nozzle subassembly includes inlet, liquid outlet and is located between inlet and the liquid outlet and be used for a plurality of connectors of being connected with the input pipeline of each row shower nozzle group, wherein, pressure device's output pipeline be used for with the inlet of the feed liquor pipeline of shower nozzle subassembly is connected, the shower nozzle subassembly includes multirow shower nozzle group, the input tube of each row shower nozzle group respectively with the connector connection of the feed liquor pipeline that corresponds through the multi-way switch, the liquid outlet of feed liquor pipeline is connected in the liquid outlet pipeline.
Drawings
Fig. 1 is a schematic structural diagram of a print head cleaning and maintenance device according to an embodiment of the present invention;
fig. 2 is a schematic top view of a cleaning tank and a collecting tank according to an embodiment of the present invention.
Icon: 1-cleaning the tank; 2-wiping the roller; 3-a first steam output passage; 4-a second steam output passage; 5-a pressurizing device; 6-a spray head assembly; 7-printing a spray head; 8-a solvent storage device; 9-a steam generator; 10-a first heating device; 11-a delivery pump; 12-a temperature control device; 13-a collection tank; 14-a filtration and impurity removal device; 15-a second heating and evaporating device; 16-a condensation recovery unit; 17-ultrasonic means.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, an embodiment of the present invention provides a print head cleaning and maintenance apparatus, including: the cleaning device comprises a cleaning groove 1, wherein the cleaning groove 1 comprises an accommodating space, a plurality of wiping rollers 2 which are sequentially arranged at intervals and used for wiping printing nozzles 7 of a nozzle component 6 are arranged in the accommodating space, and the axial lead of each wiping roller 2 is vertical to the arrangement direction of the wiping rollers 2; the driving device is used for driving the wiping roller 2 to rotate around the central axis of the wiping roller; the solvent steam supply device is provided with a first steam output passage 3 and a second steam output passage 4, wherein the first steam output passage 3 is connected with the bottom of the cleaning tank 1 and communicated with the accommodating space so as to be used for supplying solvent steam into the cleaning tank 1; the second steam output passage 4 is used for being communicated with a liquid inlet pipeline of the spray head assembly 6, and a pressurizing device 5 is arranged between the second steam output passage 4 and the liquid inlet pipeline of the spray head assembly 6.
In the above printing nozzle cleaning and maintaining device, the cleaning tank is provided with an opening at the top, wherein, for convenience of description, according to the working position of the whole device, the direction from the bottom of the cleaning tank to the top is vertical upward, the cleaning tank is provided with a containing space, the containing space is internally provided with a plurality of wiping rollers which are arranged at intervals, namely the wiping rollers are flatly paved in the containing space, each wiping roller is connected with a driving device, the driving device can drive the wiping roller to rotate around the central axis of the driving device, namely the wiping roller rotates, in addition, the bottom of the cleaning tank is connected with a first steam output passage of a solvent steam supply device, the solvent steam supply device provides first solvent steam for the containing space of the cleaning tank through the first steam output passage, when the printing equipment is in a standby state, especially in a long-time standby state, the printing nozzle assembly can be moved to the cleaning tank to be opposite to the cleaning tank, and the printing nozzle is aligned with the wiping roller in the cleaning groove, the solvent steam supply device is started, first solvent steam is provided for the cleaning groove through the first steam output passage, the first solvent steam is gradually diffused to the top at the bottom of the cleaning groove and can be diffused to the printing nozzle, the first solvent steam can dissolve particles or residual organic ink accumulated on a nozzle of the printing nozzle and can keep the nozzle of the printing nozzle moist, meanwhile, the driving device is started to rotate the wiping roller, the first solvent steam is also adhered to the wiping roller, namely, the surface of the wiping roller is a moist surface, the surface layer of the wiping roller is made of rubber materials, the printing nozzle assembly is controlled to move in the horizontal direction, the printing nozzle and the wiping roller move relatively, the wiping roller wipes the printing nozzle, wherein the horizontal moving direction of the printing nozzle is opposite to the moving direction of a point of the wiping roller, which is far away from the bottom of the cleaning groove, the wiping roller can wipe off dissolved particles and the like on the printing nozzle, so that the situation that the surface of the printing nozzle is dry or the surface of the particles is polluted can be prevented, meanwhile, the first steam output passage continuously provides first solvent steam, the nozzle of the printing nozzle can be kept wet by the first solvent steam, and residual ink in the printing nozzle is prevented from being dry; in addition, a second steam output passage of the solvent steam supply device is used for being connected with a liquid inlet pipeline of the printing spray head assembly, a pressurizing device is connected between the second steam output passage and the liquid inlet pipeline of the printing spray head assembly, namely the second steam output passage is connected with the input end of the pressurizing device, the output end of the pressurizing device is connected with the liquid inlet pipeline of the printing spray head assembly, when the printing equipment is maintained, or an ink storage device of the printing equipment is replaced, or before the printing equipment is ready to print and in the printing interval stage, the printing spray head assembly needs to be thoroughly washed, the output end of the pressurizing device can be communicated with the liquid inlet pipeline of the printing spray head assembly, then the solvent steam supply device supplies second solvent steam through the second steam output passage, the second solvent steam is pressurized to a certain extent after passing through the pressurizing device, and the second solvent steam can enter the printing spray head assembly through the liquid inlet pipeline and be sprayed out through the printing spray head assembly, thoroughly wash printing shower nozzle inside, guarantee to print the smoothness of shower nozzle, be favorable to guaranteeing to print the quality, wherein, can judge the jam condition of printing the shower nozzle according to each situation of printing shower nozzle blowout solvent, then pressurize so that better washing printing the shower nozzle through adjusting pressure device to second solvent steam, make printing the shower nozzle and washed totally, guarantee smoothly.
Consequently, above-mentioned print shower nozzle clean maintenance device can carry out different maintenance cleanness to printing apparatus at printing apparatus's different time quantums, effectively avoids printing the shower nozzle and appears blocking phenomenon, keeps printing the shower nozzle smooth to avoid frequently changing to print the shower nozzle, reduce the equipment loss, and be favorable to promoting printing apparatus's printing quality and efficiency.
Specifically, the solvent vapor supply device includes a solvent storage device 8, a vapor generator 9 connected to the solvent storage device 8 and communicated with the first vapor output passage 3, and a first heating and evaporating device 10 connected to the solvent storage device 8 and communicated with the second vapor output pipe 4, a delivery pump 11 is disposed between the solvent storage device 8 and the first heating and evaporating device 10, an input end of the delivery pump 11 is connected to the solvent storage device 8, and an output end of the delivery pump is connected to the first heating and evaporating device 10. The steam generator and the first heating evaporation device can respectively and independently work and respectively provide solvent steam for the first solvent steam output passage and the second solvent steam output passage, and the first heating evaporation device and the second heating evaporation device are not influenced by each other and are convenient to control.
Specifically, as another embodiment of the solvent vapor supply device, the solvent vapor supply device may also include a solvent storage device and a heating and evaporating device connected to the solvent storage device, the heating and evaporating device has two output pipelines, and each output pipeline is provided with a valve switch, wherein one output pipeline is communicated with the first vapor output passage, and the other output pipeline is communicated with the second vapor output pipeline.
Specifically, among the above-mentioned print shower nozzle clean maintenance device, the bottom of the accommodation space of clean groove is equipped with the bubble cotton, and the bubble cotton can be the polyester bubble cotton, sets up the one deck bubble cotton bottom the clean groove, and first solvent steam gets into the back bottom the clean groove, and the capillary action through the bubble cotton of bottom upwards diffuses, and the homogeneity is better, can more even upwards diffuse, and can also keep a moist surface bottom the clean groove, keeps the wettability in the clean groove, is favorable to making the print shower nozzle keep moist.
Further, as shown in fig. 1, a temperature control device 12 is disposed at the outer side of the bottom of the cleaning tank 1, and the temperature control device 12 can keep the cleaning tank at a certain temperature, which is beneficial to maintaining the humidity in the cleaning tank 1.
Specifically, referring to fig. 1, as shown in fig. 2, the print head cleaning and maintaining apparatus further includes a collecting tank 13 disposed on one side of the periphery of the cleaning tank 1 and spaced apart from the cleaning tank, where the collecting tank 13 is configured to receive the solvent sprayed by the print head 7, and the collecting tank receives the solvent sprayed by the print head, so as to facilitate further processing of the sprayed solvent and avoid polluting the working environment.
Specifically, print shower nozzle cleaning maintenance device still includes the solvent recovery processing apparatus with the collecting vat intercommunication, and recovery unit and collecting vat intercommunication, solvent recovery processing apparatus will print shower nozzle spun solvent and retrieve, avoid the solvent extravagant, reduce the maintenance cost.
Specifically, as shown in fig. 1 and 2, the solvent recovery processing device includes a filtration and impurity removal device 14 communicating with the collection tank, a second heating and evaporation device 15 connected to the filtration and impurity removal device 14, and a condensation recovery device 16 connected to the second heating and evaporation device 15, and further, the condensation recovery device 16 is connected to a solvent vapor supply device for inputting the recovered solvent to the solvent vapor supply device. Above-mentioned solvent recovery processing apparatus can retrieve after filtering the edulcoration with printing shower nozzle spun solvent, and imports the clean solvent of retrieving to reuse in the solvent steam feeding device, has realized solvent steam's reuse, is favorable to reducing the solvent extravagant, and then more is favorable to reducing the maintenance cost.
Specifically, as shown in fig. 2, in order to increase the cleaning capability of the printing head, ultrasonic devices 17 may be provided on opposite sides of the cleaning tank 1; alternatively, ultrasonic devices 17 are provided on opposite sides of the collection tank 13; or, the ultrasonic devices 17 are arranged on two opposite sides of the cleaning tank 1 and two opposite sides of the collecting tank 13, and the ultrasonic devices 17 can enhance the cleaning capability of the printing nozzles in the cleaning tank or the printing nozzles in the collecting tank, so that the printing nozzles are cleaned more cleanly.
Specifically, pressure device's input pipeline with second steam output tube connects, the shower nozzle subassembly includes multirow shower nozzle group, and every row of shower nozzle group is including the printing shower nozzle that a plurality of lines were arranged, the feed liquor pipeline of shower nozzle subassembly includes inlet, liquid outlet and is located between inlet and the liquid outlet and is used for a plurality of connectors of being connected with the input pipeline of each row shower nozzle group, wherein, pressure device's output pipeline be used for with the inlet of the feed liquor pipeline of shower nozzle subassembly is connected, the shower nozzle subassembly includes multirow shower nozzle group, the input tube of each row shower nozzle group respectively with the connector connection of the feed liquor pipeline that corresponds through the multi-way switch, the liquid outlet of feed liquor pipeline is connected in the outlet pipe way. Wherein, the multi-channel switch can be four-way switch or three-way switch, before washing the printing shower nozzle, can be with each printing nozzle, adjust each multi-channel switch, only make into liquid pipeline and drain pipe intercommunication, make second solvent steam let in and flow out in the drain pipe, the fluid that flows out until the drain pipe does not have the bubble, adjust each multi-channel switch, make into liquid pipeline and drain pipe disconnection intercommunication, and make into liquid pipeline and each row of shower nozzle group intercommunication, open each printing shower nozzle and begin to carry out the washing to printing the shower nozzle, can avoid like this because there is the bubble in the circulation pipeline to lead to the nozzle to block up.
Specifically, above-mentioned liquid outlet pipe is connected with the collecting vat, and the fluid that flows out among the liquid outlet pipe flows into in the collecting vat and collects, and the recycle of being convenient for avoids the solvent extravagant.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A print head cleaning and maintenance device, comprising:
the cleaning tank comprises an accommodating space, a plurality of wiping rollers which are sequentially arranged at intervals and used for wiping printing nozzles of the nozzle assembly are arranged in the accommodating space, and the central axis of each wiping roller is perpendicular to the arrangement direction of the wiping rollers;
the driving device is used for driving the wiping roller to rotate around the central axis of the wiping roller;
a solvent vapor supply device having a first vapor output passage and a second vapor output passage, the first vapor output passage being connected to the bottom of the cleaning tank and communicating with the accommodating space for supplying solvent vapor into the cleaning tank; the second steam output passage is used for being communicated with a liquid inlet pipeline of the spray head assembly, and a pressurizing device is arranged between the second steam output passage and the liquid inlet pipeline of the spray head assembly;
the solvent steam supply device comprises a solvent storage device, a steam generator connected with the solvent storage device and communicated with the first steam output passage, and a first heating and evaporating device connected with the solvent storage device and communicated with the second steam output passage, wherein a delivery pump is arranged between the solvent storage device and the first heating and evaporating device, the input end of the delivery pump is connected with the solvent storage device, and the output end of the delivery pump is connected with the first heating and evaporating device.
2. The print head cleaning and maintenance device of claim 1, wherein the bottom of the accommodating space of the cleaning tank is provided with foam.
3. The print head cleaning and maintenance device according to any one of claims 1-2, wherein a temperature control device is arranged outside the bottom of the cleaning tank.
4. The print head cleaning and maintenance device of claim 1, further comprising a collection gutter disposed on one of the circumferential sides of the cleaning gutter and spaced apart from the cleaning gutter, the collection gutter receiving the solvent ejected from the print head.
5. The print head cleaning and maintenance device of claim 4, further comprising a solvent recovery processing device in communication with the collection gutter.
6. The printing nozzle cleaning and maintaining device according to claim 5, wherein the solvent recovery processing device comprises a filtration and impurity removal device communicated with the collecting tank, a second heating and evaporation device connected with the filtration and impurity removal device, and a condensation recovery device connected with the second heating and evaporation device.
7. The print head cleaning and maintenance device of claim 6, wherein the condensation recovery device is connected with the solvent vapor supply device for inputting recovered solvent to the solvent vapor supply device.
8. Print head cleaning and maintenance device according to any of claims 4-7, characterized in that the cleaning bath and/or the collecting bath are provided with ultrasonic means.
9. The print head cleaning and maintenance device according to any one of claims 4 to 7, wherein the input pipeline of the pressurizing device is connected to the second steam output channel, the head assembly includes a plurality of rows of head sets, the liquid inlet pipeline of the head assembly includes a liquid inlet, a liquid outlet, and a plurality of connectors located between the liquid inlet and the liquid outlet and used for connecting to the input pipelines of the respective rows of head sets, wherein the output pipeline of the pressurizing device is used for connecting to the liquid inlet of the liquid inlet pipeline of the head assembly, the input pipelines of the respective rows of head sets are respectively connected to the connectors of the corresponding liquid inlet pipelines through multi-way switches, and the liquid outlets of the liquid inlet pipelines are connected to the liquid outlet pipelines.
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| CN201910708275.3A CN110356115B (en) | 2019-08-01 | 2019-08-01 | Print shower nozzle cleaning and maintenance device |
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| CN201910708275.3A CN110356115B (en) | 2019-08-01 | 2019-08-01 | Print shower nozzle cleaning and maintenance device |
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