CN110077104B - Environment-friendly printing machine with gas circulation device - Google Patents
Environment-friendly printing machine with gas circulation device Download PDFInfo
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- CN110077104B CN110077104B CN201910438520.3A CN201910438520A CN110077104B CN 110077104 B CN110077104 B CN 110077104B CN 201910438520 A CN201910438520 A CN 201910438520A CN 110077104 B CN110077104 B CN 110077104B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/263—Drying gases or vapours by absorption
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/20—Ink-removing or collecting devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of printing equipment, in particular to an environment-friendly printing machine with a gas circulating device, which comprises a shell, a printing part and the gas circulating device, wherein the shell is provided with a plurality of printing holes; the shell is provided with a paper inlet and a paper outlet, the printing part is arranged in the shell, and the gas circulation device is communicated with the shell; the printing part comprises a conveying roller, a printing roller, an ink removing roller, a heating lamp, a scraper and an ink groove; the printing device comprises a plurality of conveying rollers, a plurality of printing rollers and an ink removing roller, wherein the plurality of conveying rollers are horizontally arranged, the printing rollers and the ink removing roller are alternately arranged above the conveying rollers, a heating lamp is positioned on one side of the ink removing roller, a scraper is positioned on one side of the ink removing roller opposite to the heating lamp, an ink groove is positioned between the printing rollers and the ink removing roller, one end of the scraper is in contact with the ink removing roller, and the other end of the scraper is positioned above the ink groove. Provided is an environmentally friendly printing machine capable of cooling internal gas circulation.
Description
Technical Field
The invention relates to the technical field of printing equipment, in particular to an environment-friendly printing machine with a gas circulating device.
Background
Machines for printing text and images. Modern printing machines are generally composed of mechanisms for plate loading, inking, stamping, paper feeding, etc. The working principle is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred on the paper or other printing material, such as textile, metal plate, plastics, leather, wood plate, glass and ceramic so as to reproduce the same printed matter as the printing plate. The use and development of printing machines play an important role in the spread of human civilization and culture.
The printing ink used in the printing process of the printing machine generally comprises organic solvents such as ethanol, isopropanol, butanol, propanol, butanone, ethyl acetate, butyl acetate, toluene and xylene, and after the harmful substances are heated, the harmful substances are volatilized to form gases with pungent odor, and the list of carcinogens published by international cancer research institution of world health organization is preliminarily prepared and referred to in 2017, 10 and 27 months, and the printing ink is in the list of 3 carcinogens. Patent document CN205905531U discloses a printing mechanism of a drum printer, which does not have a sealing condition, and harmful gas generated during printing can be directly discharged to the external environment, which is a great hazard to the health of workers.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provided is an environmentally friendly printing machine having a gas circulation device and excellent sealing performance.
In order to solve the technical problems, the invention adopts the technical scheme that: an environment-friendly printing machine with a gas circulation device comprises a shell, a printing part, the gas circulation device and a sealing device;
the shell is provided with a paper inlet and a paper outlet, and the printing part is arranged in the shell;
the printing part comprises a conveying roller, a printing roller, an ink removing roller, a heating lamp, a scraper and an ink groove;
the printing device comprises a plurality of conveying rollers, a plurality of ink removing rollers, a heating lamp, a scraper, an ink groove and a printing roller, wherein the plurality of conveying rollers are horizontally arranged, the printing rollers and the ink removing rollers are alternately arranged above the conveying rollers, the heating lamp is positioned on one side of the ink removing rollers, the scraper is positioned on one side, opposite to the heating lamp, of the ink removing rollers, the ink groove is positioned between the printing rollers and the ink removing rollers, one end of the scraper is in contact with the ink removing rollers, and the other;
the gas circulation device comprises a gas extraction fan, a gas extraction pipe, a purification tank, a gas exhaust pipe and an exhaust fan, wherein the gas extraction pipe and the gas exhaust pipe of the gas circulation device are respectively communicated with the interior of the shell;
the exhaust fan is arranged in the exhaust pipe, the exhaust pipe is communicated with the shell, the purification tank is communicated with the exhaust pipe, one end of the exhaust pipe is communicated with the purification tank, the other end of the exhaust pipe is positioned above the paper outlet in the shell, and the exhaust fan is arranged in the exhaust pipe;
sealing device has two, two sealing device is located respectively the exit slot and the income paper mouth of casing, sealing device includes conveyer belt, roller bearing, protective housing and spring, the roller bearing has a plurality ofly, and is a plurality of the roller bearing rotates to be connected in the protective housing, the conveyer belt cover is located a plurality ofly the roller bearing outside, protective housing and casing sliding connection, still be connected with between protective housing and the casing the spring, the spring is used for compressing tightly sealing device in the printing paper surface.
The invention has the beneficial effects that: the ink removing roller can remove excessive ink on the surface of the printing paper, so that ink waste is avoided; the gas circulation device can continuously circulate the air in the printing machine, and harmful gas is dissolved in the purification tank; the purification tank can also cool the gas and reduce the internal temperature of the printing machine so as to reduce the volatilization of the printing ink; and the gas discharged by the gas circulating device continuously blows air to the printed printing paper, so that the printing ink can be quickly solidified.
Drawings
FIG. 1 is a schematic view of an eco-friendly printing machine having a gas circulation device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a sealing device of an eco-friendly printing machine having a gas circulation device according to an embodiment of the present invention;
description of reference numerals: 1. a housing; 101. a paper inlet; 102. a paper outlet; 2. a conveying roller; 3. a printing roller; 4. an ink removing roller; 5. a heating lamp; 6. a scraper; 7. an ink tank; 8. an air extracting fan; 9. an air exhaust pipe; 10. a purification tank; 11. an exhaust pipe; 1101. a drying chamber; 1102. a heat sink; 12. an exhaust fan; 13. a sealing device; 1301. a conveyor belt; 1302. a roller; 1303. a protective shell; 1304. a spring.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: 1. the air in the printing machine can be continuously circulated to achieve the purposes of removing harmful gas and reducing temperature; 2. the residual undried ink on the printing paper can be avoided.
Referring to fig. 1 to 2, an environment-friendly printing machine with a gas circulation device includes a housing 1, a printing portion, a gas circulation device and a sealing device 13;
the shell 1 is provided with a paper inlet 101 and a paper outlet 102, the printing part is arranged inside the shell 1, and the gas circulation device is communicated with the shell;
the printing part comprises a conveying roller 2, a printing roller 3, an ink removing roller 4, a heating lamp 5, a scraper 6 and an ink groove 7;
a plurality of the conveying rollers 2 are arranged horizontally, the printing rollers 3 and the ink removing rollers 4 are alternately arranged above the conveying rollers 2, the heating lamp 5 is positioned on one side of the ink removing roller 4, the scraper 6 is positioned on one side of the ink removing roller 4 opposite to the heating lamp 5, the ink slot 7 is positioned between the printing rollers 3 and the ink removing rollers 4, one end of the scraper 6 is in contact with the ink removing rollers 4, and the other end of the scraper 6 is positioned above the ink slot 7;
the gas circulating device comprises an air extracting fan 8, an air extracting pipe 9, a purifying pool 10, an exhaust pipe 11 and an exhaust fan 12;
the exhaust fan 8 is arranged in the exhaust pipe 9, the exhaust pipe 9 is communicated with the shell 1, the purification tank 10 is communicated with the exhaust pipe 9, one end of the exhaust pipe 11 is communicated with the purification tank 10, the other end of the exhaust pipe is positioned above the paper outlet 102 in the shell 1, and the exhaust fan 12 is arranged in the exhaust pipe 11;
the sealing device has two, two sealing device is located respectively the exit slot 102 and the entrance slot 101 of casing 1, sealing device includes conveyer belt 1301, roller 1302, protective housing 1303 and spring 1304, roller 1302 has a plurality ofly, and is a plurality of roller 1302 rotates to be connected in protective housing 1303, conveyer belt 1301 cover is located a plurality ofly the roller 1302 outside, protective housing 1303 and casing 1 sliding connection, still be connected with between protective housing 1303 and the casing 1 spring 1304, spring 1304 is used for compressing tightly sealing device in the printing paper surface.
From the above description, the working process of the present invention is: during printing, printing paper enters the sealed printing machine shell 1 from the paper inlet 101 on the left, the conveying roller 2 rotates to drive the printing paper to move, the printing roller 3 transfers ink to the surface of the printing paper to form a pattern, the ink removing roller 4 is in contact with the surface of the printing paper and keeps rotating to remove excessive ink on the surface of the printing paper, the heating lamp 5 irradiates the surface of the ink removing roller 4 to keep the removed excessive ink in a liquid state, and the excessive ink is scraped off by the scraper 6 along with the continuous rotation of the ink removing roller 4 and flows into the ink tank 7 along the surface of the scraper 6; meanwhile, the suction fan 8 rotates to suck harmful gas volatilized by the printing ink in the printing machine and high-temperature air into the purification tank 10 along the suction pipe 9, the harmful gas in the gas is dissolved in the purification liquid when the gas passes through the purification tank 10, the high-temperature air is cooled through the liquid, the cooled purification gas is discharged back to the inside of the printing machine shell 1 through the exhaust pipe 11 under the action of the exhaust fan 12, the exhaust pipe 11 is arranged above the air outlet 102, the gas exhausted through the gas circulating device continuously blows on the surface of the printing paper after printing is finished, the printing ink on the surface of the printing paper can be rapidly solidified, finally, the printing paper after printing is finished and the printing ink is solidified is output through the paper outlet 102, the printing paper is input and output through the sealing device 13, the roller 1302 rotates to drive the conveying belt 1301 to input and output the printing paper, and the spring 1304 presses the sealing device 13 on the, it is ensured that only the printing paper can pass through without leaving other gaps.
From the above description, the beneficial effects of the present invention are: the ink removing roller can remove excessive ink on the surface of the printing paper, so that ink waste is avoided; the gas circulation device can continuously circulate the air in the printing machine, and harmful gas is dissolved in the purification tank; the purification tank can also cool the gas and reduce the internal temperature of the printing machine so as to reduce the volatilization of the printing ink; the gas discharged by the gas circulating device continuously blows air to the printed printing paper, so that the printing ink can be quickly solidified; the sealing device is tightly pressed on the surface of the printing paper, so that the sealing performance can be ensured to the maximum extent on the premise of ensuring that the conveying of the printing paper is not influenced.
Further, the device also comprises a sealing device, wherein the purifying tank 10 is internally provided with purifying liquid which is sodium carbonate solution.
As can be seen from the above description, the ink is acidic and will undergo a neutralization reaction with the sodium carbonate solution after passing through the purification tank.
Further, a drying cavity 1101 is arranged in the exhaust pipe, a drying agent is arranged in the drying cavity 1101, and the drying cavity is located between the purification tank 10 and the exhaust fan 12.
As can be seen from the above description, the drying agent can absorb moisture in the gas in the exhaust pipe, so that the exhausted gas is dried more, and the solidification of the ink on the printing material is accelerated.
Further, the drying agent is calcium chloride.
Further, the exhaust pipe comprises a heat dissipation plate 1102, and the heat dissipation plate 1102 is arranged outside the exhaust pipe 11.
As can be seen from the above description, the heat sink can further cool the gas cooled by the purification tank.
Further, the surface of the ink-removing roller 4 is provided with a hydrophobic coating.
As can be seen from the above description, the hydrophobic coating layer prevents the excessive ink adhered to the ink removing roller from adhering to the surface of the ink removing roller, and facilitates the ink to be scraped off by a scraper.
Further, the conveying roller 2 has six.
Further, the heating lamp 5 is an infrared heating lamp.
Further, there are three rollers 1302.
Further, the conveying belt 1301 is a rubber belt.
From the above description, it can be seen that the rubber belt has good sealing performance and high friction coefficient, and is convenient for conveying printing paper.
Example one
An environment-friendly printing machine with a gas circulation device for an ink printing factory comprises a shell 1, a printing part, the gas circulation device and a sealing device 13; the shell 1 is provided with a paper inlet 101 and a paper outlet 102, the printing part is arranged inside the shell 1, and the gas circulation device is communicated with the shell; the printing part comprises a conveying roller 2, a printing roller 3, an ink removing roller 4, a heating lamp 5, a scraper 6 and an ink groove 7; the conveying roller 2 comprises six conveying rollers 2, the six conveying rollers 2 are horizontally arranged, the printing roller 3 and the ink removing roller 4 are alternately arranged above the conveying rollers 2, the heating lamp 5 is positioned on one side of the ink removing roller 4, the scraper 6 is positioned on one side of the ink removing roller 4 opposite to the heating lamp 5, the ink slot 7 is positioned between the printing roller 3 and the ink removing roller 4, one end of the scraper 6 is in contact with the ink removing roller 4, and the other end of the scraper is positioned above the ink slot 7;
the gas circulating device comprises an air extracting fan 8, an air extracting pipe 9, a purifying pool 10, an exhaust pipe 11 and an exhaust fan 12; the exhaust fan 8 is arranged in the exhaust pipe 9, the exhaust pipe 9 is communicated with the shell 1, the purification tank 10 is communicated with the exhaust pipe 9, purification liquid is arranged in the purification tank 10, the purification liquid is sodium carbonate solution, one end of the exhaust pipe 11 is communicated with the purification tank 10, the other end of the exhaust pipe is positioned above the paper outlet 102 in the shell 1, and the exhaust fan 12 is arranged in the exhaust pipe 11;
two sealing devices 13 are provided, and the two sealing devices 13 are respectively positioned at the paper outlet 102 and the paper inlet 101 of the shell 1; sealing device 13 includes conveyer belt 1301, roller 1302, protective housing 1303 and spring 1304, roller 1302 has threely, and threely roller 1302 rotates and connects in protective housing 1303, conveyer belt 1301 cover is located threely the roller 1302 outside, protective housing 1303 and casing 1 sliding connection, still be connected with between protective housing 1303 and the casing 1 spring 1304, spring 1304 is used for compressing tightly sealing device 13 in the printing paper surface.
Further, the heating lamp 5 is an infrared heating lamp; further, the conveying belt 1301 is a rubber belt.
Example two
An environment-friendly printing machine with a gas circulation device for an ink printing factory with poor internal air circulation comprises a shell 1, a printing part, the gas circulation device and a sealing device 13; the shell 1 is provided with a paper inlet 101 and a paper outlet 102, the printing part is arranged inside the shell 1, and the gas circulation device is communicated with the shell; the printing part comprises a conveying roller 2, a printing roller 3, an ink removing roller 4, a heating lamp 5, a scraper 6 and an ink groove 7; the conveying roller 2 comprises six conveying rollers 2, the six conveying rollers 2 are horizontally arranged, the printing roller 3 and the ink removing roller 4 are alternately arranged above the conveying rollers 2, the heating lamp 5 is positioned on one side of the ink removing roller 4, the scraper 6 is positioned on one side of the ink removing roller 4 opposite to the heating lamp 5, the ink slot 7 is positioned between the printing roller 3 and the ink removing roller 4, one end of the scraper 6 is in contact with the ink removing roller 4, and the other end of the scraper is positioned above the ink slot 7;
the gas circulating device comprises an air extracting fan 8, an air extracting pipe 9, a purifying pool 10, an exhaust pipe 11 and an exhaust fan 12; the exhaust fan 8 is arranged in the exhaust pipe 9, the exhaust pipe 9 is communicated with the shell 1, the purification tank 10 is communicated with the exhaust pipe 9, purification liquid is arranged in the purification tank 10, the purification liquid is sodium carbonate solution, one end of the exhaust pipe 11 is communicated with the purification tank 10, the other end of the exhaust pipe is positioned above the paper outlet 102 in the shell 1, and the exhaust fan 12 is arranged in the exhaust pipe 11; a drying cavity 1101 is arranged in the exhaust pipe 11, a drying agent is arranged in the drying cavity 1101, and the drying cavity is positioned between the purification tank 10 and the exhaust fan 12; the drying agent is calcium chloride;
two sealing devices 13 are provided, and the two sealing devices 13 are respectively positioned at the paper outlet 102 and the paper inlet 101 of the shell 1; sealing device 13 includes conveyer belt 1301, roller 1302, protective housing 1303 and spring 1304, roller 1302 has threely, and threely roller 1302 rotates and connects in protective housing 1303, conveyer belt 1301 cover is located threely the roller 1302 outside, protective housing 1303 and casing 1 sliding connection, still be connected with between protective housing 1303 and the casing 1 spring 1304, spring 1304 is used for compressing tightly sealing device 13 in the printing paper surface. Further, the heating lamp 5 is an infrared heating lamp; further, the conveying belt 1301 is a rubber belt.
EXAMPLE III
An environment-friendly printing machine with a gas circulation device for an ink printing factory with high internal temperature and sealed environment comprises a shell 1, a printing part, the gas circulation device and a sealing device 13; the shell 1 is provided with a paper inlet 101 and a paper outlet 102, the printing part is arranged inside the shell 1, and the gas circulation device is communicated with the shell; the printing part comprises a conveying roller 2, a printing roller 3, an ink removing roller 4, a heating lamp 5, a scraper 6 and an ink groove 7; the conveying roller 2 comprises six conveying rollers 2, the six conveying rollers 2 are horizontally arranged, the printing roller 3 and the ink removing roller 4 are alternately arranged above the conveying rollers 2, the surface of the ink removing roller 4 is provided with a hydrophobic coating, the heating lamp 5 is positioned on one side of the ink removing roller 4, the scraper 6 is positioned on one side of the ink removing roller 4 relative to the heating lamp 5, the ink tank 7 is positioned between the printing roller 3 and the ink removing roller 4, and one end of the scraper 6 is in contact with the ink removing roller 4 while the other end is positioned above the ink tank 7;
the gas circulating device comprises an air extracting fan 8, an air extracting pipe 9, a purifying pool 10, an exhaust pipe 11 and an exhaust fan 12; the exhaust fan 8 is arranged in the exhaust pipe 9, the exhaust pipe 9 is communicated with the shell 1, the purification tank 10 is communicated with the exhaust pipe 9, purification liquid is arranged in the purification tank 10, the purification liquid is sodium carbonate solution, one end of the exhaust pipe 11 is communicated with the purification tank 10, the other end of the exhaust pipe is positioned above the paper outlet 102 in the shell 1, and the exhaust fan 12 is arranged in the exhaust pipe 11; a drying cavity 1101 is arranged in the exhaust pipe 11, the drying cavity is positioned between the purification pool 10 and the exhaust fan 12, a drying agent is arranged in the drying cavity 1101, and the drying agent is calcium chloride; the heat dissipation plate comprises a heat dissipation plate 1102, wherein the heat dissipation plate 1102 is arranged on the outer side of the exhaust pipe 11;
two sealing devices 13 are provided, and the two sealing devices 13 are respectively positioned at the paper outlet 102 and the paper inlet 101 of the shell 1; sealing device 13 includes conveyer belt 1301, roller 1302, protective housing 1303 and spring 1304, roller 1302 has threely, and threely roller 1302 rotates and connects in protective housing 1303, conveyer belt 1301 cover is located threely the roller 1302 outside, protective housing 1303 and casing 1 sliding connection, still be connected with between protective housing 1303 and the casing 1 spring 1304, spring 1304 is used for compressing tightly sealing device 13 in the printing paper surface.
Further, the heating lamp 5 is an infrared heating lamp; further, the conveying belt 1301 is a rubber belt.
In conclusion, the beneficial effects of the invention are as follows: the ink removing roller can remove excessive ink on the surface of the printing paper, so that ink waste is avoided; the gas circulation device can continuously circulate the air in the printing machine, and harmful gas is dissolved in the purification tank; the purification tank can also cool the gas and reduce the internal temperature of the printing machine so as to reduce the volatilization of the printing ink; and the gas discharged by the gas circulating device continuously blows air to the printed printing paper, so that the printing ink can be quickly solidified. The sealing device can further improve the sealing performance of the printing machine and avoid the pollution to the environment caused by the discharge of internal gas. The sealing device is pressed on the surface of the printing paper by the spring, so that the sealing performance can be ensured to the maximum extent on the premise of ensuring that the conveying of the printing paper is not influenced. The drying agent can absorb the moisture of the gas in the exhaust pipe, so that the exhausted gas is dried, and the solidification of the ink on the printing material is accelerated. The cooling fins can further cool the gas cooled by the purifying tank. The hydrophobic coating enables the redundant ink adhered to and removed by the ink removing roller not to be attached to the surface of the ink removing roller, and a scraper can scrape the ink conveniently.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. An environment-friendly printing machine with a gas circulation device is characterized by comprising a shell, a printing part, the gas circulation device and a sealing device;
the shell is provided with a paper inlet and a paper outlet, and the printing part is arranged in the shell;
the printing part comprises a conveying roller, a printing roller, an ink removing roller, a heating lamp, a scraper and an ink groove;
the device comprises a plurality of conveying rollers, a printing roller and an ink removing roller, wherein the plurality of conveying rollers are horizontally arranged, the printing roller and the ink removing roller are alternately arranged above the conveying rollers, a heating lamp is positioned on one side of the ink removing roller, a scraper is positioned on one side, away from the heating lamp, of the ink removing roller, an ink groove is positioned between the printing roller and the ink removing roller, one end of the scraper is in contact with the ink removing roller, and the other end of the scraper is positioned above the ink groove;
the gas circulation device comprises a gas extraction fan, a gas extraction pipe, a purification tank, a gas exhaust pipe and an exhaust fan, wherein the gas extraction pipe and the gas exhaust pipe of the gas circulation device are respectively communicated with the interior of the shell;
the exhaust fan is arranged in the exhaust pipe, the exhaust pipe is communicated with the shell, the purification tank is communicated with the exhaust pipe, one end of the exhaust pipe is communicated with the purification tank, the other end of the exhaust pipe is positioned above the paper outlet in the shell, and the exhaust fan is arranged in the exhaust pipe;
sealing device has two, two sealing device is located respectively the exit slot and the income paper mouth of casing, sealing device includes conveyer belt, roller bearing, protective housing and spring, the roller bearing has a plurality ofly, and is a plurality of the roller bearing rotates to be connected in the protective housing, the conveyer belt cover is located a plurality ofly the roller bearing outside, protective housing and casing sliding connection, still be connected with between protective housing and the casing the spring, the spring is used for compressing tightly sealing device in the printing paper surface.
2. The environmentally friendly printing machine with a gas circulation device according to claim 1, wherein a purification liquid is arranged in the purification tank, and the purification liquid is a sodium carbonate solution.
3. The environmentally friendly printing machine with a gas circulation device as claimed in claim 1, wherein a drying chamber is arranged in the exhaust pipe, a drying agent is arranged in the drying chamber, and the drying chamber is located between the purification tank and the exhaust fan.
4. The eco-friendly printing machine having a gas circulation device according to claim 3, wherein the drying agent is calcium chloride.
5. The eco-friendly printer having a gas circulation device according to claim 1, further comprising a heat sink disposed outside the exhaust pipe.
6. The eco-friendly printing machine having a gas circulation device according to claim 1, wherein the surface of the ink ductor roller is provided with a hydrophobic coating layer.
7. The eco-friendly printing machine having a gas circulation device according to claim 1, wherein the conveying rollers are six in number.
8. The eco-friendly printing machine having a gas circulation device according to claim 1, wherein the heating lamp is an infrared heating lamp.
9. The eco-friendly printing machine having a gas circulation device according to claim 1, wherein the number of the rollers is three.
10. The eco-friendly printing machine having a gas circulation device according to claim 1, wherein the conveyor belt is a rubber belt.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011447725.7A CN112571938B (en) | 2019-05-24 | 2019-05-24 | A environmental protection printing machine for enclosed environment |
| CN201910438520.3A CN110077104B (en) | 2019-05-24 | 2019-05-24 | Environment-friendly printing machine with gas circulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910438520.3A CN110077104B (en) | 2019-05-24 | 2019-05-24 | Environment-friendly printing machine with gas circulation device |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011447725.7A Division CN112571938B (en) | 2019-05-24 | 2019-05-24 | A environmental protection printing machine for enclosed environment |
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| CN110077104A CN110077104A (en) | 2019-08-02 |
| CN110077104B true CN110077104B (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011447725.7A Active CN112571938B (en) | 2019-05-24 | 2019-05-24 | A environmental protection printing machine for enclosed environment |
| CN201910438520.3A Active CN110077104B (en) | 2019-05-24 | 2019-05-24 | Environment-friendly printing machine with gas circulation device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011447725.7A Active CN112571938B (en) | 2019-05-24 | 2019-05-24 | A environmental protection printing machine for enclosed environment |
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| CN113147169A (en) * | 2021-04-30 | 2021-07-23 | 新华社印务有限责任公司 | Printing ink rapid drying system for newspaper printing |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112571938B (en) | 2022-04-12 |
| CN112571938A (en) | 2021-03-30 |
| CN110077104A (en) | 2019-08-02 |
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