CN113858841A - Green printing process and equipment - Google Patents

Green printing process and equipment Download PDF

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Publication number
CN113858841A
CN113858841A CN202111112505.3A CN202111112505A CN113858841A CN 113858841 A CN113858841 A CN 113858841A CN 202111112505 A CN202111112505 A CN 202111112505A CN 113858841 A CN113858841 A CN 113858841A
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CN
China
Prior art keywords
printing
conveying belt
ink
stock
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111112505.3A
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Chinese (zh)
Inventor
刘传敏
夏鑫
江芬
王�华
柳红云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Luojiashan Xueyuan Printing Co ltd
Original Assignee
Wuhan Luojiashan Xueyuan Printing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Luojiashan Xueyuan Printing Co ltd filed Critical Wuhan Luojiashan Xueyuan Printing Co ltd
Priority to CN202111112505.3A priority Critical patent/CN113858841A/en
Publication of CN113858841A publication Critical patent/CN113858841A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00Inking and printing with a printer's forme
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F17/00Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F23/00Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/009After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using thermal means, e.g. infrared radiation, heat

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Thermal Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The application relates to a green printing process and equipment, wherein the equipment comprises a printing machine, a drying device is arranged at the discharge end of the printing machine, and the drying device comprises a rack, a conveying belt which is rotatably arranged on the rack and used for carrying printing stocks output by the printing machine, and an air heater which is arranged on the rack and used for drying the printing stocks conveyed on the conveying belt; the process comprises the following steps: s1, preparation: selecting ink according to the requirement, injecting the ink into an ink box of a printing machine, debugging printing equipment and performing test printing; s2, printing: printing the printing stock according to the printing requirement; s3, drying: and drying the printed stock to dry the ink thoroughly, and then packaging or reprocessing the dried printed product according to the requirement. This application has and dries to the printing ink that does not dry out on the printing product to the effect of the quality of guarantee printing product.

Description

Green printing process and equipment
Technical Field
The present application relates to the field of green printing technology, and more particularly, to green printing processes and apparatus.
Background
A printing machine is a machine for printing characters and images, and generally comprises mechanisms such as plate loading, inking, stamping, paper conveying and the like. 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.
After printing, ink on a printing stock usually needs a period of time to dry out, and during subsequent transportation and stacking, the ink which does not dry out is easy to adhere to other printing stocks, thereby affecting the quality of printed products.
Disclosure of Invention
In order to guarantee the quality of printed products, the application provides a green printing process and equipment.
On one hand, the application provides a green printing process, and adopts the following technical scheme:
the green printing process is characterized by comprising the following steps: the method comprises the following steps:
s1, preparation: selecting ink according to the requirement, injecting the ink into an ink box of a printing machine, debugging printing equipment and performing test printing;
s2, printing: printing the printing stock according to the printing requirement;
s3, drying: and drying the printed stock to dry the ink thoroughly, and then packaging or reprocessing the dried printed product according to the requirement.
By adopting the technical scheme, the printing equipment is debugged and subjected to test printing before formal printing is carried out, so that the printing process can be ensured to be smoothly carried out, the possibility of fault occurrence is reduced, and the loss of printing stocks is reduced; after the printing stock is printed, the printed printing stock is dried, so that the printing ink is not easy to adhere to other products in the subsequent transportation, stacking or reprocessing processes after the printing ink is dried, and the quality of printed products is guaranteed.
Preferably, in the step S3, the printed substrate is dried, and the gas generated by volatilization of the ink is collected, and then the collected gas is sent to an external purification device to be subjected to a detoxification treatment.
By adopting the technical scheme, the printing ink usually contains some substances with pungent odor or toxic substances, and when the printing ink is dried, the substances with the pungent odor in the printing ink volatilize to pollute the production environment, so that the gas is collected to prevent harmful substances from being inhaled by production personnel as far as possible, and the body health of the production personnel is protected.
On the other hand, the application provides green printing equipment, adopts following technical scheme:
green lithography apparatus, including the printing machine, the discharge end of printing machine is provided with drying device, drying device include the frame, rotate set up in be used for accepting in the frame the conveyer belt of the stock of printing machine output and set up in be used for in the frame to carry out the air heater of drying to the stock that carries on the conveyer belt.
By adopting the technical scheme, the printing stock is printed by the printing machine, the printed printing stock is conveyed onto the conveying belt, and the printing stock is dried by the hot air blower in the conveying process on the conveying belt, so that the printing ink is dried quickly, the ink is prevented from being adhered to other products in the subsequent processes of transportation, stacking or reprocessing as much as possible, and the quality of printed products is guaranteed.
Preferably, the air heater is located right above the conveyor belt, an air outlet of the air heater faces the conveyor belt, and an adsorption mechanism for adsorbing the printing stock on the conveyor belt is arranged on the rack.
By adopting the technical scheme, the hot air blower dries the printing stock conveyed on the conveying belt from right above the conveying belt, so that the drying effect is good and the drying efficiency is high; and through adsorption apparatus's setting, when the stock is comparatively frivolous object such as paper, make the stock adsorb and carry on the conveyer belt, can avoid the air heater to blow up the stock as far as possible, ensure the normal transport of stock in drying process on the one hand, on the other hand can avoid the stock to be blown and produce the fold or turn over a book as far as possible, guarantee the quality of printing product.
Preferably, a plurality of air vents are formed in the conveying belt in a penetrating mode, the air vents are evenly distributed on the conveying belt, the adsorption mechanism comprises a suction fan arranged on the rack, an air inlet of the suction fan is connected with an air nozzle arranged on the inner side of the conveying belt, the air nozzle is located under the air heater, and an air inlet end of the air nozzle faces towards the inner side face of the upper half portion of the conveying belt.
By adopting the technical scheme, when the suction fan sucks air through the air nozzle, the air flow passes through the vent holes from the outer side of the conveying belt and enters the inner side of the conveying belt, and pressure difference is generated between the upper side and the lower side of a printing stock, so that the printing stock is adsorbed on the conveying belt, the adsorption effect is good, and the printing stock cannot be damaged; and when the suction fan adsorbs the printing stock on the conveyer belt, harmful gas volatilized by the printing ink can be sucked in and conveyed to an external purifying device through a pipeline for harmless treatment, so that the health of production personnel is protected.
Preferably, the rack is provided with a heat preservation box, the upper part of the conveying belt penetrates through the heat preservation box, an air outlet of the air heater is communicated with the heat preservation box, and the air nozzle is arranged in the heat preservation box.
By adopting the technical scheme, the arrangement of the heat preservation box can ensure that hot air blown out by the air heater is concentrated in the heat preservation box and the heat preservation box keeps higher temperature, thereby improving the drying effect and efficiency of the printing stock; on the other hand, can make the gas that printing ink volatilize concentrate in the incubator, then the suction fan is with harmful gas absorptive more thorough to when the installation suction fan, make the air outlet of suction fan pass through pipeline intercommunication in outside purifier, further protect producers' is healthy.
Preferably, the air inlet end of the air nozzle is attached to the inner side surface of the upper half part of the conveying belt.
Through adopting above-mentioned technical scheme, tuyere laminating conveyer belt medial surface sets up, can improve the adsorption effect of suction fan to the stock, further improves the stability that the stock was carried.
Preferably, a vent groove is formed in the outer side surface of the conveying belt between any two adjacent vent holes, and the vent groove is communicated with the two adjacent vent holes respectively.
Through adopting above-mentioned technical scheme, when stock laminating conveyer belt, it is inboard that gaseous can circulate and pass the air vent and enter into the conveyer belt in the air channel, even gaseous can pass the conveyer belt circulation to the conveyer belt inboard from the conveyer belt outside, guarantees that the suction fan can inhale gas smoothly to adsorb the stock on the conveyer belt, ensure adsorption apparatus and absorb the stability of function.
Preferably, the air inlet end of the air nozzle completely covers the part of the conveying belt, which is positioned in the heat insulation box.
By adopting the technical scheme, the printing stock is adsorbed on the conveying belt immediately when being conveyed into the heat insulation box, so that the stable conveying of the printing stock can be further ensured.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after the printing stock is printed, the printed printing stock is dried, so that the printing ink is not easily adhered to other products in the subsequent transportation, stacking or reprocessing processes after the printing ink is dried, and the quality of printed products is guaranteed;
2. the printing stock is adsorbed on the conveying belt to be conveyed through the arrangement of the adsorption mechanism, so that the printing stock can be prevented from being blown up by the hot air blower as much as possible, on one hand, the normal conveying of the printing stock in the drying process is guaranteed, on the other hand, the printing stock can be prevented from being blown to generate wrinkles or folding as much as possible, and the quality of a printed product is guaranteed;
3. through the function that sets up the cooperation suction fan of air vent on the conveyer belt and realize adsorbing the stock on the conveyer belt, adsorption effect is good and can not cause the damage to the stock, and the suction fan can inhale the volatile harmful gas of printing ink to carry out innocent treatment to outside purifier through the pipe-line transportation, produce personnel and inhale with avoiding harmful gas as far as possible, protect that the production personnel's is healthy.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
fig. 2 is a schematic partial sectional view of the drying apparatus in the present embodiment;
fig. 3 is an enlarged view at a in fig. 2.
Reference numerals: 1. a printing press; 2. a drying device; 21. a frame; 211. a side plate; 212. a support plate; 22. a conveyor belt; 221. a vent hole; 222. a vent channel; 23. a hot air blower; 24. a heat preservation box; 241. a material port; 25. an adsorption mechanism; 251. a suction fan; 252. and a blast nozzle.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, the present embodiment discloses a green printing apparatus, which includes a printing machine 1, in the present embodiment, the printing machine 1 is a three-color printing machine 1, and in other embodiments, the printing machine 1 may also be a monochrome printing machine 1 or another multi-color printing machine 1.
Referring to fig. 1 and 2, a drying device 2 is arranged at the discharging end of the printing machine 1, the drying device 2 includes a frame 21 and a conveyer belt 22 rotatably arranged on the frame 21, the feeding end of the conveyer belt 22 is connected with the discharging end of the printing machine 1, and the conveyer belt 22 is used for receiving the printing material output by the printing machine 1; specifically, the frame 21 includes two side plates 211, the transmission roller of the conveying belt 22 is rotatably installed between the two side plates 211, the two side plates 211 are respectively fixed on the ground through the supporting plate 212, and correspondingly, a driving motor for driving the transmission roller of the conveying belt 22 to rotate is fixed on one baffle; the drying device 2 further includes a hot air blower 23 disposed on the frame 21 for drying the printing material conveyed on the conveyor belt 22, specifically, in this embodiment, the hot air blower 23 is located right above the conveyor belt 22, and an air outlet of the hot air blower 23 is vertically downward facing the upper surface of the conveyor belt 22. Therefore, the printing stock conveyed on the conveying belt 22 can be dried through the hot air blower 23, so that ink is prevented from being adhered to other printing stocks to the greatest extent, and the quality of printed products is guaranteed.
Referring to fig. 2, in order to reduce the waste of heat and improve the drying efficiency, an insulation box 24 is fixedly disposed on the frame 21, and the upper half of the conveyor belt 22 passes through the insulation box 24; specifically, in this embodiment, the thermal insulation box 24 is rectangular, the two opposite sides of the thermal insulation box 24 are respectively provided with a material opening 241 through which the upper half of the conveyor belt 22 passes, and the bottom of the thermal insulation box 24 and the portions of the two sides provided with the material opening 241 and located below the material opening 241 both pass through the two side plates 211; the hot air blower 23 is fixed on the top of the heat insulation box 24, and the air outlet of the hot air blower 23 is communicated with the heat insulation box 24. The heat-insulating box 24 can concentrate heat and reduce the heat diffusion speed, thereby improving the drying efficiency and drying effect and reducing the waste of energy.
Referring to fig. 2 and 3, in order to keep the printing stock stable during the process of passing through the thermal insulation box 24, an adsorption mechanism 25 for adsorbing the printing stock on the conveyer belt 22 is further arranged on the frame 21; specifically, the adsorption mechanism 25 includes a suction fan 251, an air inlet of the suction fan 251 is connected with an air nozzle 252, the air nozzle 252 is arranged at the inner side of the conveyor belt 22, and an air inlet end of the air nozzle 252 is arranged towards the inner side surface of the upper half part of the conveyor belt 22, so that the printing stock can be adsorbed on the conveyor belt 22 by the suction fan 251, the conveyor belt 22 is provided with a plurality of vent holes 221 in a penetrating manner, and the vent holes 221 are uniformly distributed on the conveyor belt 22; because the hot air blower 23 is arranged in the heat preservation box 24, correspondingly, the air nozzle 252 is also arranged in the heat preservation box 24, the suction fan 251 is arranged outside the heat preservation box 24, the air inlet of the suction fan 251 is connected with the air nozzle 252 through a pipeline penetrating through the side wall of the heat preservation box 24, and the heat preservation box 24 is fixedly provided with a mounting plate for fixedly mounting the suction fan 251.
The printing stock is adsorbed on the conveying belt 22 by the suction fan 251 to be conveyed, so that the printing stock is prevented from being blown up by the hot air fan 23 to the greatest extent, the printing stock is not easy to wrinkle or turn over, and the quality of a printed product is guaranteed; and the air outlet of the suction fan 251 can be connected with an external purification device, and when the suction fan 251 sucks air, toxic volatile matters are sucked away together and input into the purification device for harmless treatment, so that toxic substances are prevented from being sucked by workers as much as possible, and the health of the workers is protected.
Referring to fig. 3, in order to prevent the suction fan 251 from sucking air normally due to the printed material being attached to the conveyor belt 22, a vent groove 222 is formed between any two adjacent vent holes 221 on the outer side surface of the conveyor belt 22, and two ends of the vent groove 222 are respectively communicated with the two adjacent vent holes 221. The air can pass through the vent groove 222 and then pass through the vent hole 221 to be sucked by the suction fan 251, and meanwhile, the printing material is adsorbed on the conveying belt 22.
Referring to fig. 2, the air inlet end of the air nozzle 252 is arranged to be attached to the inner side surface of the upper half part of the conveyor belt 22, and the air inlet end of the air nozzle 252 completely covers the part of the conveyor belt 22 located in the incubator 24, so that the adsorption effect is improved, meanwhile, the printing materials enter the incubator 24 and are adsorbed on the conveyor belt 22, and stable conveying of the printing materials is further ensured.
The implementation principle of the embodiment is as follows: when printing is carried out, the printing stock is input into the printing machine 1 from the feed end of the printing machine 1, and after the printing stock is printed by the printing machine 1, the printing stock is output to the conveyer belt 22 from the printing machine 1; the hot air blower 23 and the suction fan 251 are started, the printing stock is conveyed to the inside of the heat insulation box 24 on the conveying belt 22, the hot air blower 23 blows hot air to dry the printing stock, meanwhile, the suction fan 251 enables the printing stock to be adsorbed on the conveying belt 22, namely, the printing stock is adsorbed on the conveying belt 22 all the time in the process of being dried through the heat insulation box 24, so that the printing stock is not prone to wrinkle or folding due to being blown up when being dried, and the quality of a printed product is guaranteed.
The embodiment further provides a green printing process, which is performed by using the green printing apparatus described above, and includes the following steps:
s1, preparation: selecting ink according to the requirement, injecting the ink into an ink box of the printing machine 1, then installing a printing plate, debugging the printing machine 1 and performing test printing until a test printing product meets the requirement. The printing process is ensured to be smoothly carried out, the possibility of fault occurrence is reduced, and the loss of printing stocks is reduced.
S2, printing: and selecting a printing stock according to the printing requirement, and printing the printing stock.
S3, drying: drying the printed printing stock, specifically, the printed printing stock falls on the conveyer belt 22, the printing stock is conveyed into the heat preservation box 24 by the conveyer belt 22, the printing stock is dried by the hot air blower 23 to dry the printing stock thoroughly, then the dried printed product is packaged or reprocessed according to the requirement, the phenomenon that the printing stock is not dried thoroughly and adheres to other products is avoided as much as possible, and the quality of the printed product is guaranteed.
When the hot air blower 23 is started, the suction fan 251 is started, the printed material is adsorbed on the conveying belt 22 by the suction fan 251, so that the printed material is not easy to wrinkle or fold due to being blown up while being dried, and the quality of a printed product is guaranteed.
The air outlet of the suction fan 251 is connected with an external purification device through a pipeline to perform innocent treatment on toxic gas volatilized by the ink sucked by the suction fan 251, so that harmful substances are prevented from being sucked by workers as much as possible, and the health of the workers is protected.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The green printing process is characterized by comprising the following steps: the method comprises the following steps:
s1, preparation: selecting ink according to the requirement, injecting the ink into an ink box of a printing machine, debugging printing equipment and performing test printing;
s2, printing: printing the printing stock according to the printing requirement;
s3, drying: and drying the printed stock to dry the ink thoroughly, and then packaging or reprocessing the dried printed product according to the requirement.
2. A green printing process according to claim 1, wherein: and in the step S3, drying the printed printing material, collecting gas generated by ink volatilization, and then conveying the collected gas to an external purification device for harmless treatment.
3. Green lithography apparatus, including printing machine (1), its characterized in that: the discharging end of the printing machine (1) is provided with a drying device (2), the drying device (2) comprises a rack (21), a conveying belt (22) which is arranged on the rack (21) and used for receiving the printing stock output by the printing machine (1) and a hot air blower (23) which is arranged on the rack (21) and used for drying the printing stock conveyed on the conveying belt (22).
4. A green printing apparatus according to claim 3, wherein: the hot air blower (23) is located right above the conveying belt (22), an air outlet of the hot air blower (23) faces the conveying belt (22), and an adsorption mechanism (25) used for enabling the printing stock to be adsorbed on the conveying belt (22) is arranged on the rack (21).
5. A green printing apparatus according to claim 4, wherein: run through on conveyer belt (22) and seted up a plurality of air vents (221), it is a plurality of air vent (221) evenly distributed in on conveyer belt (22), adsorption apparatus constructs (25) including set up in suction fan (251) on frame (21), the air intake connection of suction fan (251) have set up in tuyere (252) of conveyer belt (22) inboard, tuyere (252) are located under air heater (23), the inlet end orientation of tuyere (252) the medial surface setting of half on conveyer belt (22).
6. A green printing apparatus according to claim 5, wherein: the air heater is characterized in that an insulation box (24) is arranged on the rack (21), the upper half part of the conveying belt (22) penetrates through the insulation box (24), an air outlet of the air heater (23) is communicated with the insulation box (24), and the air nozzle (252) is arranged in the insulation box (24).
7. A green printing apparatus according to claim 6, wherein: the air inlet end of the air nozzle (252) is attached to the inner side surface of the upper half part of the conveying belt (22).
8. A green printing apparatus according to claim 7, wherein: and a vent groove (222) is formed between any two adjacent vent holes (221) on the outer side surface of the conveying belt (22), and the vent groove (222) is respectively communicated with the two adjacent vent holes (221).
9. A green printing apparatus according to claim 7, wherein: the air inlet end of the air nozzle (252) completely covers the part of the conveying belt (22) positioned in the heat insulation box (24).
CN202111112505.3A 2021-09-18 2021-09-18 Green printing process and equipment Pending CN113858841A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111112505.3A CN113858841A (en) 2021-09-18 2021-09-18 Green printing process and equipment

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Application Number Priority Date Filing Date Title
CN202111112505.3A CN113858841A (en) 2021-09-18 2021-09-18 Green printing process and equipment

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Publication Number Publication Date
CN113858841A true CN113858841A (en) 2021-12-31

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Application Number Title Priority Date Filing Date
CN202111112505.3A Pending CN113858841A (en) 2021-09-18 2021-09-18 Green printing process and equipment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114248535A (en) * 2022-01-05 2022-03-29 广东和润新材料股份有限公司 Automatic silk screen printing coating film former

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6425580B1 (en) * 1999-11-08 2002-07-30 Sharp Kabushiki Kaisha Recording medium transportation apparatus
CN202379489U (en) * 2011-12-24 2012-08-15 常州市宏发纵横新材料科技股份有限公司 Cutting machine conveying device
CN109130474A (en) * 2018-09-10 2019-01-04 台山市永宝工艺制造有限公司 Printing equipment is used in a kind of production of carton
CN212499454U (en) * 2020-01-07 2021-02-09 义乌古当翌彩印有限公司 Heidelberg printing machine drying device
CN112519439A (en) * 2020-11-30 2021-03-19 合肥杏花印务股份有限公司 Teaching material printing green process
US11052678B1 (en) * 2020-02-06 2021-07-06 Xerox Corporation Dryer platensthat attenuate image defects in images printed on substrates by aqueous ink printers

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6425580B1 (en) * 1999-11-08 2002-07-30 Sharp Kabushiki Kaisha Recording medium transportation apparatus
CN202379489U (en) * 2011-12-24 2012-08-15 常州市宏发纵横新材料科技股份有限公司 Cutting machine conveying device
CN109130474A (en) * 2018-09-10 2019-01-04 台山市永宝工艺制造有限公司 Printing equipment is used in a kind of production of carton
CN212499454U (en) * 2020-01-07 2021-02-09 义乌古当翌彩印有限公司 Heidelberg printing machine drying device
US11052678B1 (en) * 2020-02-06 2021-07-06 Xerox Corporation Dryer platensthat attenuate image defects in images printed on substrates by aqueous ink printers
CN112519439A (en) * 2020-11-30 2021-03-19 合肥杏花印务股份有限公司 Teaching material printing green process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114248535A (en) * 2022-01-05 2022-03-29 广东和润新材料股份有限公司 Automatic silk screen printing coating film former

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Application publication date: 20211231

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