CN109397860B - Environment-friendly five-color printing machine - Google Patents
Environment-friendly five-color printing machine Download PDFInfo
- Publication number
- CN109397860B CN109397860B CN201811498478.6A CN201811498478A CN109397860B CN 109397860 B CN109397860 B CN 109397860B CN 201811498478 A CN201811498478 A CN 201811498478A CN 109397860 B CN109397860 B CN 109397860B
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- air
- printing
- purifying
- gas
- pipe
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- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 239000011248 coating agent Substances 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 41
- 238000007664 blowing Methods 0.000 claims description 28
- 238000004321 preservation Methods 0.000 claims description 2
- 230000036541 health Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000000976 ink Substances 0.000 description 35
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 15
- 238000005192 partition Methods 0.000 description 12
- 239000000428 dust Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000007599 discharging Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- 210000000621 bronchi Anatomy 0.000 description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical class [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
- 229940092714 benzenesulfonic acid Drugs 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Printing Methods (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model discloses an environment-friendly five-color printing machine, which relates to the technical field of printing equipment, and has the technical scheme that the environment-friendly five-color printing machine comprises a machine body and five groups of printing mechanisms which are positioned in the machine body in sequence along the printing paper transmission direction, wherein one end of the machine body is provided with a transmission inlet, the other end of the machine body is provided with a transmission outlet, and the printing mechanisms comprise an ink tank, an inking roller, a coating roller and a pressing roller which are rotatably connected and mutually pressed; the machine body is connected with a drying mechanism and a gas purifying mechanism, the gas purifying mechanism comprises a box body, at least two communicated purifying chambers are arranged in the box body, two adjacent purifying chambers are communicated through a communicating pipe, one purifying chamber is communicated with the inside of the machine body through a main air inlet pipe, and the other purifying chamber is provided with an air outlet pipe. The utility model solves the problem that the health is affected by the pungent gas escaping to the workplace in the printing process of the existing printing machine, and can treat the air in the printing machine to keep the air in the workplace fresh.
Description
Technical Field
The utility model relates to the technical field of printing equipment, in particular to an environment-friendly five-color printing machine.
Background
A printer is a machine that prints text and images, and modern printers generally consist of mechanisms such as plate-filling, inking, embossing, paper feeding, etc. The working principle of the device is as follows: the characters and images to be printed are first made into printing plate, then mounted on a printer, and then ink is applied to the places where the characters and images are on the printing plate by manual or printer, and then transferred directly or indirectly to paper or other printing stock, so that the same printed matter is duplicated on the printing plate. Depending on the printing color, there are three-color, four-color and five-color printers.
The prior art refers to Chinese patent with the publication number of CN205185521U, which discloses a five-color printing machine, comprising a paper feeding section, a printing section and a paper discharging section, wherein the paper feeding section is connected with the printing section, the printing section is connected with the paper discharging section, the upper end of the paper discharging section is hermetically communicated with a dust removing device, the dust removing device comprises a dust hood, a discharging pipe is arranged at the discharging end of the dust hood, and a dust collecting box is arranged at the discharging end of the discharging pipe; the printing section comprises five color printing sections, a paper conveying section is connected behind each color printing section, the paper outlet end at the bottom of each color printing section is respectively connected with the paper conveying section, an impression cylinder is arranged at the bottom of each color printing section, the outer surfaces of the impression cylinders are respectively pressed against the outer surfaces of the paper conveying cylinders arranged in the paper conveying sections connected with the paper outlet ends of the color printing sections, and the outer surfaces of the paper conveying cylinders are respectively coated with an adsorption layer; the feeding end of the paper feeding section is further provided with an electrostatic removing and dust removing device, the electrostatic removing and dust removing device comprises a first ionized air nozzle and a second ionized air nozzle, the first ionized air nozzle and the second ionized air nozzle are oppositely arranged, and a suction fan is further arranged inside the dust hood.
The Chinese patent application with publication number of CN106318031A discloses a water-based multifunctional printing ink, which comprises the following components in percentage by weight: DK-182 resin, HF-9 resin, pigment, filler, wetting agent, dispersing agent, wax emulsion, adhesion promoter, leveling agent, defoamer, anti-blocking net auxiliary agent, reinforcing agent, alcohol, isopropanol and deionized water.
The printing machine has a dust removal effect when being printed by using the water-based multifunctional printing ink, but has the following defects: the printing ink needs to be dried and baked after printing, and as the paper bags or plastic films are exposed to the air in the transmission process, organic matters in the ink volatilize in the air, so that the content of all toxic substances in a working field is increased, and the occupational health of workers is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a shape-preserving five-color printing machine which can treat the air in the printing machine in the printing process and keep the air in a workplace fresh.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the environment-friendly five-color printing machine comprises a machine body and five groups of printing mechanisms which are positioned in the machine body and sequentially arranged along the printing paper transmission direction, wherein one end of the machine body is provided with a transmission inlet, the other end of the machine body is provided with a transmission outlet, and the printing mechanisms comprise an ink tank, an inking roller, a coating roller and a compression roller which are rotatably connected and mutually pressed; the machine body is connected with a drying mechanism and a gas purifying mechanism, the gas purifying mechanism comprises a box body, at least two communicated purifying chambers are arranged in the box body, two adjacent purifying chambers are communicated through a communicating pipe, one purifying chamber is communicated with the inside of the machine body through a main air inlet pipe, and the other purifying chamber is provided with an air outlet pipe.
By adopting the technical scheme, each time the printing paper passes through a group of printing mechanisms, the inking roller rotates to coat the ink in the ink tank on the surface, the ink is uniformly transferred and printed on the surface of the printing paper when the inking roller contacts with the inking roller, the drying mechanism dries the ink on the printing paper, volatile organic matters in the ink enter a first purifying chamber in the box body along with gas through a main air inlet pipe, saturated lime water can be contained in the purifying chamber, and alcohol volatile matters in the gas are absorbed; the second purifying chamber can contain concentrated sulfuric acid, and benzene volatile matters in the gas are absorbed, so that the gas exhausted from the machine body is clean, and the air in a workplace is kept fresh.
The utility model is further provided with: the three purifying chambers are arranged, the upper part of each purifying chamber is provided with a liquid inlet pipe, and the lower part of each purifying chamber is provided with a liquid outlet pipe.
By adopting the technical scheme, the third purifying chamber can be filled with clean water, and a small amount of acidic substances can exist in the gas discharged from the second purifying chamber and can be dissolved after meeting water. Fresh treatment liquid can be supplemented through the liquid inlet pipe, old treatment liquid is discharged from the liquid discharge pipe, and the efficient purifying capacity of the air purifying mechanism is maintained.
The utility model is further provided with: the air outlet end of the main air inlet pipe is connected with a disperser, and micropores communicated with the main air inlet pipe are formed in the surface of the disperser.
By adopting the technical scheme, the gas is tiny bubbles after escaping from the main air inlet pipe, so that the reaction or absorption area of the liquid and the components in the gas is improved, and the purifying effect is better.
The utility model is further provided with: the communicating pipe is of an inverted U shape.
By adopting the technical scheme, the possibility that liquid flows back to the lower purification chamber through the communicating pipe is effectively reduced.
The utility model is further provided with: and the tail end of the communicating pipe is provided with an air outlet head with a honeycomb structure.
By adopting the technical scheme, the gas is tiny bubbles after escaping from the gas outlet head, so that the reaction or absorption area of the liquid and the components in the gas is improved, and the purifying effect is better.
The utility model is further provided with: the air outlet pipe is connected with a dryer.
By adopting the technical scheme, the moisture contained in the gas flowing out of the gas outlet pipe is absorbed by the drying ball, so that the moisture contained in the discharged gas is prevented from entering a working place to cause the moisture in the working area.
The utility model is further provided with: the side wall of the box body is provided with an observation window corresponding to each purifying room.
By adopting the technical scheme, the liquid level in each purifying chamber can be visually seen through the observation window, and backflow caused by the fact that liquid is supplemented from the liquid inlet pipe and exceeds the communicating pipe is avoided.
The utility model is further provided with: the drying mechanism comprises a main air pipe, an air blowing air box communicated with the main air pipe through a bronchus, and an air collecting box which is parallel to the air blowing air box and is arranged oppositely, wherein a channel for printing paper to pass through is formed between the air blowing air box and the air collecting box; the air blowing bellows is close to one side of the air collecting box and is uniformly provided with a plurality of air holes, the main air pipe is connected with an external air heater, and an air extracting pump is connected between the air collecting box and the main air inlet pipe.
Through adopting above-mentioned technical scheme, hot-blast flowing along total tuber pipe and entering into the bellows of blowing through the bronchus, hot-blast blowing out in the gas pocket of bellows of blowing for the printing ink on seal paper surface dries fast. Volatile organic gas in the printing ink enters the gas collecting box along with hot air from two sides of printing paper, the air pump works to pump the gas in the gas collecting box to the air purifying mechanism, and negative pressure is formed in the gas collecting box, so that air flow blown out from the air blowing bellows enters the gas collecting box in a directional manner, the air flow is reduced to escape to the outside of the machine body, and organic volatile matters in the printing ink cannot enter the air of a workplace.
The utility model is further provided with: an insulating layer is arranged on the inner wall of the blowing bellows.
By adopting the technical scheme, the heat insulation layer reduces heat exchange between the blowing air box and the outside, and keeps the temperature of hot air passing through the blowing air box.
The utility model is further provided with: the lower baffle and the baffle are fixedly arranged in the machine body and between two adjacent groups of printing mechanisms.
By adopting the technical scheme, the lower baffle and the baffle separate the two groups of printing mechanisms, so that the influence of contact of volatile components of two different inks on printing quality is reduced.
In summary, compared with the prior art, the utility model has the following beneficial effects:
1. the air purifying mechanism can treat and absorb volatile components in the air in the machine body, so that the discharged air is fresh;
2. the treatment fluid in the air purifying mechanism is replenished at any time, so that the high-efficiency purifying capability can be maintained for a long time, and the purifying effect is good;
3. the drying mechanism improves the drying speed of the surface of the printing paper, and the gas collecting box is in a negative pressure state, so that the gas in the machine body directionally flows, and the gas is prevented from escaping from the machine body.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment;
FIG. 2 is a cross-sectional view in the direction A-A of FIG. 1 showing the position of transport of the printing paper between different sets of printing rollers;
FIG. 3 is a cross-sectional view taken along the direction B-B in FIG. 1 highlighting the internal structure of the air cleaning mechanism.
Reference numerals: 1. a body; 11. a sealing plate; 12. a transfer inlet; 13. a transfer outlet; 14. a transmission channel; 15. a steering roller; 16. a lower baffle; 17. a partition plate; 2. a drying mechanism; 21. a total air duct; 22. bronchi; 23. an air blowing bellows; 231. a heat preservation layer; 24. a gas collection box; 241. an air outlet; 3. a gas purifying mechanism; 31. a case; 311. an observation window; 312. an air outlet pipe; 32. a first partition plate; 33. a second partition plate; 34. a first decontamination chamber; 341. a first liquid inlet pipe; 342. a first liquid discharge pipe; 35. a second clean room; 351. a second liquid inlet pipe; 352. a second liquid discharge pipe; 36. a third clean room; 361. a third liquid inlet pipe; 362. a third liquid discharge pipe; 37. a main air inlet pipe; 371. a disperser; 3711. micropores; 38. a communicating pipe; 381. an air outlet head; 39. a dryer; 4. printing paper; 5. a printing mechanism; 51. an ink tank; 52. inking rollers; 53. a coating roller; 54. and (3) a press roller.
Detailed Description
An environment-friendly five-color printing machine, as shown in fig. 1 and 2, comprises a machine body 1, wherein five groups of printing mechanisms 5 are sequentially arranged in the machine body 1 along the transmission direction of printing paper 4, and the machine body 1 is connected with a drying mechanism 2 and a gas purifying mechanism 3. When the printing paper 4 passes through the five groups of printing mechanisms 5, each group of printing mechanism 5 prints characters or patterns with one color on the printing paper 4, the drying mechanism 2 dries the printing ink, and the air purifying mechanism 3 extracts air in the machine body 1 and carries out purification treatment so that the air discharged to a workplace is fresh.
Referring to fig. 1 and 2, a transmission inlet 12 is provided at one end of the machine body 1, a transmission outlet 13 is provided at the other end of the machine body 1, and a sealing plate 11 is fixed near the transmission inlet 12 and the transmission outlet 13, so that the transmission inlet 12 and the transmission outlet 13 are flat, and the circulation of gas in the inner space of the machine body 1 and the external environment is reduced.
The printing mechanism 5 is positioned at the lower part of the machine body 1, each group of printing mechanism 5 comprises an ink tank 51, an inking roller 52, a coating roller 53 and a pressing roller 54, the ink tank 51 is fixedly connected with the machine body 1, and the inking roller 52, the coating roller 53 and the pressing roller 54 are sequentially pressed against and are rotationally connected with the side wall of the machine body 1; one end of the inking roller 52 is connected with a motor, and each ink tank 51 contains ink of different colors. The motor works to drive the inking roller 52 to rotate, the inking roller 52 applies the ink in the ink tank 51 to the surface of the inking roller 52, the ink is uniformly transferred to the coating roller 53 after the coating roller 53 contacts with the inking roller 52, and the ink pattern on the coating roller 53 is printed on the printing paper 4 due to the pressing action of the coating roller 53 and the pressing roller 54 after the printing paper 4 contacts with the coating roller 53.
The upper part of the machine body 1 is horizontally and rotatably connected with two steering rollers 15, one steering roller 15 is positioned right above the coating roller 53, the other steering roller 15 is positioned above the pressing roller 54 of the next group of printing mechanisms 5, a transmission channel 14 is formed in the machine body 1, and the printing paper 4 is conveyed in an S shape along the transmission channel 14 in the machine body 1.
In order to reduce the occurrence of the phenomenon that the contact of volatile components in two kinds of ink affects the printing quality, a lower baffle 16 is fixed below the machine body 1, a partition 17 is fixed above the machine body 1, and the lower baffle 16 and the partition 17 jointly separate two adjacent printing mechanisms 5.
Referring to fig. 1 and 2, the drying mechanism 2 includes a main air duct 21, an air blowing bellows 23 communicated with the main air duct 21 through a branch air duct 22, and an air collecting box 24 arranged in parallel relative to the air blowing bellows 23, wherein the branch air duct 22, the air blowing bellows 23 and the air collecting box 24 have five groups and are in one-to-one correspondence with the printing mechanism 5, the air blowing bellows 23 is arranged at one side close to the coating roller 53, and the air collecting box 24 is arranged at one side close to the pressing roller 54. The inner layer of the blow bellows 23 is provided with an insulation layer 231, and the insulation layer 231 can be a polyurethane insulation board, so that the internal and external heat exchange rate of the blow bellows 23 is reduced. The one side that is close to the gas collection box 24 of gas blowing bellows 23 equipartition has a plurality of gas pockets, and the one side that is close to the gas collection box 23 of gas collection box 24 is equipped with the opening, and the lateral wall of gas collection box 24 is equipped with gas outlet 241, and gas outlet 241 passes through suction pump and connects net gas mechanism 3.
The main air pipe 21 is connected with an external air heater, hot air flows along the main air pipe 21 and enters the air blowing air box 23 through the bronchus 22, and the hot air is blown out from the air holes of the air blowing air box 23, so that the printing ink on the surface of the printing paper 4 is dried rapidly. Volatile organic gas in the ink enters the gas collecting box 24 along with hot air from two sides of the printing paper 4, the gas in the gas collecting box 24 is pumped out to the gas purifying mechanism 3 by the operation of the air pump, and negative pressure is formed in the gas collecting box 24, so that air flow blown out from the air blowing bellows 23 is oriented to enter the gas collecting box 24, the air flow is reduced to escape to the outside of the machine body 1, and organic volatile matters in the ink cannot enter the air of a workplace.
Referring to fig. 3, the air purifying mechanism 3 includes a case 31, inside of which a first partition plate 32 and a second partition plate 33 are respectively fixed in a horizontal arrangement, the first partition plate 32 and the second partition plate 33 partition a space inside of the case 31 into a first purifying chamber 34, a second purifying chamber 35 and a third purifying chamber 36 which are arranged in order from bottom to top; the main air inlet pipe 37 is connected to the box body 31, one end of the main air inlet pipe 37 is connected with the suction pump, the other end of the main air inlet pipe 37 extends into the bottom of the first purifying chamber 34, the end part of the main air inlet pipe 37 is provided with a disperser 371, and the interior of the disperser 371 is hollow and has micropores 3711 distributed on the surface; the first partition plate 32 and the second partition plate 33 are fixedly connected with an inverted U-shaped communicating pipe 38 respectively, so that the first purifying chamber 34 is communicated with the second purifying chamber 35, and the second purifying chamber 35 is communicated with the third purifying chamber 36; the upper part of the first purifying chamber 34 is provided with a first liquid inlet pipe 341, the lower part of the first purifying chamber 34 is provided with a first liquid outlet pipe 342, and the first liquid inlet pipe 341 and the first liquid outlet pipe 342 are respectively provided with a control valve; the upper part of the second purifying chamber 35 is provided with a second liquid inlet pipe 351, the lower part of the second purifying chamber 35 is provided with a second liquid outlet pipe 352, and the second liquid inlet pipe 351 and the second liquid outlet pipe 352 are respectively provided with a control valve; the upper part of the third purifying chamber 36 is provided with a third liquid inlet pipe 361, the lower part of the third purifying chamber 36 is provided with a third liquid outlet pipe 362, and the third liquid inlet pipe 361 and the third liquid outlet pipe 362 are respectively provided with a control valve; the top of the third purifying chamber 36 is connected with an air outlet pipe 312.
The first purifying chamber 34 may contain an alkali solution, which may be saturated lime water, and the ethanol, propanol, isopropanol, butanol, butanone, ethyl acetate, and butyl acetate components contained in the volatile matters in the ink react with or are absorbed by the saturated lime water. The second purifying chamber 35 can contain concentrated sulfuric acid or concentrated nitric acid, benzene volatilized in the ink is sulfonated with the concentrated sulfuric acid to generate benzenesulfonic acid, benzene and the concentrated nitric acid are nitrified to generate nitrobenzene, and benzene in the volatilized gas is removed. The third purifying chamber 36 can contain clean water, and when the concentrated sulfuric acid or the concentrated nitric acid in the second purifying chamber 35 volatilizes, a small amount of acid gas is dissolved into the clean water, so that the gas discharged from the gas outlet pipe 312 is clean. The inner wall of the second purifying chamber 35 is provided with a glass liner, which can resist concentrated sulfuric acid corrosion.
An elongated observation window 311 is provided in the height direction at a side wall of the case 31 corresponding to the first purge chamber 34, the second purge chamber 35, and the third purge chamber 36. As the purifying time is prolonged, the purifying capacity of the liquid in the tank 31 is reduced, and at this time, a new liquid needs to be replenished by opening a control valve on a liquid inlet pipe of the corresponding air purifying chamber, and at the same time, the old liquid is discharged through a liquid discharge pipe, so that the efficient purifying effect is maintained. The viewing window 311 is capable of visually observing the liquid level in each of the cleanrooms.
In order to prevent the liquid in the upper purifying chamber from flowing back to the lower purifying chamber through the communicating tube 38, the liquid level must not be higher than the top inflection point of the inverted U-shaped communicating tube 38. The end of the communicating pipe 38 is fixed with an air outlet head 381, and the inside of the air outlet head 381 is in a honeycomb structure, so that the air is micro bubbles after escaping from the air outlet head 381, the reaction or absorption area of the liquid and the components in the air is improved, and the purifying effect is better.
A dryer 39 is installed at the top end of the air outlet pipe 312, and the dryer 39 is detachably connected with the air outlet pipe 312 in a threaded connection or plug-in connection manner. The dryer 39 includes a housing with air holes on the surface and drying balls, which may be calcium chloride particles, contained in the housing. Moisture contained in the gas flowing out of the third purge chamber 36 is absorbed by the dry bulb, preventing moisture contained in the discharged gas from entering the work place to cause the work area to be wet.
The environment-friendly five-color printing machine works as follows:
after the printing paper 4 enters from the transmission inlet 12 of the machine body 1 and passes through the first group of printing mechanisms 5, pattern ink is printed on the surface of the printing paper 4, and the air blowing bellows 23 at the corresponding position blows hot air to the surface of the printing paper 4 on which the ink is printed to dry the ink, volatile substances contained in the ink enter the air collecting box 24 along with the hot air, and the air pump works to introduce the air containing the volatile substances into the first purifying chamber 34 through the main air inlet pipe 37.
The gas is contacted with saturated lime water in a first clean room 34, into which the alcohol substances of the gas are dissolved. With the increase of the air pressure, the gas enters the second purifying chamber 35 through the communicating pipe 38, benzene substances contained in the gas are sulfonated and absorbed by the concentrated sulfuric acid, the gas enters the third purifying chamber 36 from the communicating pipe 38, trace acidic substances contained in the gas are dissolved in water, and clean gas is discharged to the outside of the machine body 1 after being dried by the dryer 39, so that the air in a workplace is kept fresh.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (5)
1. The utility model provides an environment-friendly five-color printing machine, includes organism (1) and is located five printing mechanism (5) that set gradually along seal paper (4) direction of transmission in organism (1), and the one end of organism (1) is equipped with transmission entry (12), and the other end of organism (1) is equipped with transmission export (13), its characterized in that: the printing mechanism (5) comprises an ink tank (51), an inking roller (52), a coating roller (53) and a pressing roller (54), wherein the inking roller (52), the coating roller (53) and the pressing roller (54) are rotatably connected and are mutually pressed against each other; the machine body (1) is connected with a drying mechanism (2) and a gas purifying mechanism (3), the gas purifying mechanism (3) comprises a box body (31), at least two communicated purifying chambers are arranged in the box body (31), two adjacent purifying chambers are communicated through a communicating pipe (38), one purifying chamber is communicated with the inside of the machine body (1) through a main gas inlet pipe (37), and the other purifying chamber is provided with a gas outlet pipe (312);
the drying mechanism (2) comprises a main air pipe (21), an air blowing air box (23) communicated with the main air pipe (21) through a branch air pipe (22), and a gas collecting box (24) which is parallel to the air blowing air box (23) and is arranged opposite to the air blowing air box (23), wherein a channel for the printing paper (4) to pass through is formed between the air blowing air box (23) and the gas collecting box (24); a plurality of air holes are uniformly distributed on one surface of the air blowing air box (23) close to the air collecting box (24), the total air pipe (21) is connected with an external air heater, and an air extracting pump is connected between the air collecting box (24) and the main air inlet pipe (37);
a lower baffle (16) and a baffle (17) are fixedly arranged between two adjacent groups of printing mechanisms (5) inside the machine body (1);
negative pressure is formed in the gas collection box (24), so that air flow blown out from the air blowing air box (23) enters the gas collection box (24) in a directional manner, and the air flow is reduced to escape to the outside of the machine body (1);
the communicating pipe (38) is of an inverted U shape, an air outlet head (381) with a honeycomb structure is arranged at the tail end of the communicating pipe (38), and the air outlet pipe (312) is connected with a dryer (39).
2. The environmentally friendly five-color printer of claim 1, wherein: the three purifying chambers are arranged, the upper part of each purifying chamber is provided with a liquid inlet pipe, and the lower part of each purifying chamber is provided with a liquid outlet pipe.
3. The environmentally friendly five-color printer of claim 1, wherein: the air outlet end of the main air inlet pipe (37) is connected with a disperser (371), and micropores (3711) communicated with the main air inlet pipe (37) are formed in the surface of the disperser (371).
4. The environmentally friendly five-color printer of claim 1, wherein: the side wall of the box body (31) is provided with an observation window (311) corresponding to each purifying room.
5. The environmentally friendly five-color printer of claim 1, wherein: the inner wall of the blowing bellows (23) is provided with a heat preservation layer (231).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811498478.6A CN109397860B (en) | 2018-12-08 | 2018-12-08 | Environment-friendly five-color printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811498478.6A CN109397860B (en) | 2018-12-08 | 2018-12-08 | Environment-friendly five-color printing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109397860A CN109397860A (en) | 2019-03-01 |
| CN109397860B true CN109397860B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811498478.6A Active CN109397860B (en) | 2018-12-08 | 2018-12-08 | Environment-friendly five-color printing machine |
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| CN (1) | CN109397860B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111267468A (en) * | 2020-03-03 | 2020-06-12 | 杭州多丽彩印有限公司 | Special automatic centralized water supply system for printing machine |
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