CN110406251B - Drying device of film printing machine - Google Patents
Drying device of film printing machine Download PDFInfo
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- CN110406251B CN110406251B CN201910632359.3A CN201910632359A CN110406251B CN 110406251 B CN110406251 B CN 110406251B CN 201910632359 A CN201910632359 A CN 201910632359A CN 110406251 B CN110406251 B CN 110406251B
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- drying oven
- drying
- oven
- roller
- material conveying
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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
- B41F23/0403—Drying webs
- B41F23/0416—Drying webs by conduction
- B41F23/042—Drying webs by conduction using heated rolls
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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
- B41F23/0403—Drying webs
- B41F23/0423—Drying webs by convection
- B41F23/0426—Drying webs by convection using heated air
Abstract
The invention discloses a drying device of a film printing machine, which comprises a rack, a primary drying oven and a secondary drying oven, wherein the primary drying oven and the secondary drying oven are arranged on two sides of the rack, a printing roller is arranged at the bottom end of the rack, a plurality of material conveying rollers are symmetrically arranged on the rack by taking a vertical surface where the axis of the printing roller is positioned as a symmetrical surface, the plurality of material conveying rollers form a kidney-shaped channel of a film, and the printing surface of the film is not contacted with the material conveying rollers all the time; the one-level oven is towards a side face of the material conveying roller is provided with a plurality of one-level air supply holes, the second-level oven is towards one side opening of the material conveying roller and is fixed with a plurality of drying rollers with hollow interiors, the drying rollers are towards one side of the material conveying roller, a plurality of second-level air supply holes are formed in the one side opening of the material conveying roller, and the one-level oven and the second-level oven are respectively provided with an electric heating air box communicated with the one-level air supply holes and the second-level air supply holes. The invention has the technical effects of high printing ink drying efficiency and good drying quality.
Description
Technical Field
The invention relates to the technical field of printing equipment, in particular to a drying device of a film printing machine.
Background
The film printing machine is a device capable of performing color printing on the surface of a plastic film, and the plastic film can form a characteristic pattern or information such as a trademark logo marked by a manufacturer after color printing. The color ink must be quickly dried after printing on the film to ensure uniformity and integrity of the ink on the film.
To above-mentioned problem, chinese patent that patent publication number is CN207607226U provides a drying device for film printing machine, including the workstation, establish at the feed roll and the discharge roller at workstation both ends and establish in proper order at the preliminary treatment box and the stoving box between feed roll and discharge roller, a microwave heater is erect through the mount to the inside top of preliminary treatment box, the top of preliminary treatment box is equipped with the fan, the fan is connected with microwave heater, be equipped with a butt joint between the discharge end of preliminary treatment box and the feed end of stoving box and draw the roller, the inside top and the below of stoving box all are equipped with 1 air heater, arc heat exchanger is established to the outside cover of air heater, be equipped with the defeated material roller of a plurality of staggered distribution between the feed end of stoving box and the discharge end, it is a plurality of defeated material roller constitutes wave type route.
The above prior art solutions have the following drawbacks: a plurality of biography material rollers among this drying device for film printing machine form the defeated passageway of wave type, but at stoving box feeding front end department, the printing ink on the film has not been dried completely, and the surface that the film printed has printing ink can make printing ink adhesion on the surface of biography material roller through a plurality of biography material rollers that are wave type and distribute, leads to the poor problem of film printing quality.
Disclosure of Invention
The invention aims to provide a drying device of a film printing machine, which has high printing ink drying efficiency and good drying quality.
The invention is realized by the following technical scheme:
a drying device of a film printing machine comprises a rack, a primary drying oven and a secondary drying oven, wherein the primary drying oven and the secondary drying oven are arranged on two sides of the rack, a printing roller is arranged at the bottom end of the rack, a plurality of material conveying rollers are symmetrically arranged on the rack by taking a vertical surface where the axis of the printing roller is positioned as a symmetrical surface, the plurality of material conveying rollers form a kidney-shaped channel of a film, and the printing surface of the film is not contacted with the material conveying rollers all the time;
the one-level oven is towards a side face of the material conveying roller is provided with a plurality of one-level air supply holes, the second-level oven is towards one side opening of the material conveying roller and is fixed with a plurality of drying rollers with hollow interiors, the drying rollers are towards one side of the material conveying roller, a plurality of second-level air supply holes are formed in the one side opening of the material conveying roller, and the one-level oven and the second-level oven are respectively provided with an electric heating air box communicated with the one-level air supply holes and the second-level air supply holes.
Through adopting above-mentioned technical scheme, the film gets into frame bottom and realizes the printing of film pattern through the printing roller, then the film upwards along the kidney shape passageway transmission that a plurality of biography material rollers formed until leaving the frame and get into next processing station, the film is at kidney shape passageway transmission in-process, the one-level oven and the second grade oven of frame both sides are dried the printing ink on the film, the stoving stroke of film is longer and occupy the ascending space in vertical side still less, both make things convenient for the equipment fixing in workshop, the stoving time of film is also more of a specified duration, consequently, it is more abundant to dry, the effect is better.
In addition, the film is at the waist shape passageway transmission in-process that forms along a plurality of biography material rollers, and the printing face of film does not contact with the biography material roller all the time to overcome the printing ink in film printing earlier stage and the film combine not strong and the drawback of adhesion on the biography material roller, and one-level blast hole and second grade blast hole are relative with the printing face of film, and the hot-blast air of conveying from the electrical heating bellows can be dried the printing ink on the printing face of film more fully, and drying efficiency is higher.
Further setting the following steps: a partition plate is arranged in the drying roller, the partition plate divides an inner cavity of the drying roller into a hot air cavity and a hot liquid cavity, the secondary air supply hole is positioned on one side of the hot air cavity, and the hot liquid cavity is filled with heat-conducting liquid; and a film discharging channel is formed at the transmission tail end of the plurality of material conveying rollers at one side of the plurality of drying rollers back to the material conveying rollers.
Through adopting above-mentioned technical scheme, the film passes through a plurality of biography material rollers after printing ink printing earlier, passes through a plurality of stoving rollers and passes back to the discharging channel who passes through material roller one side to leaving the frame again, and the heat in the hot-air cavity passes through baffle transmission to heat-conducting liquid, and heat-conducting liquid passes through the section of thick bamboo wall of stoving roller again and transmits the heat to the film, and the film is when passing through a plurality of stoving rollers, and the stoving roller carries out the tertiary stoving to the film. When the film passes through a kidney-shaped channel formed by a plurality of material conveying rollers, because the film is dried twice by the primary drying oven and the secondary drying oven, the printing ink on the printing surface of the film is basically firmly combined with the film, and the printing quality of the film cannot be reduced because the printing surface of the film is contacted with the drying rollers at the moment. Moreover, heat in the hot air cavity is transmitted layer by layer through the partition plate, the heat conducting liquid and the wall of the drying roller, so that heat is dissipated, the temperature of the wall of the drying roller is not high, and the phenomenon that the film is scalded due to the fact that the temperature of the wall of the drying roller is too high is avoided.
Further setting the following steps: a sponge layer is arranged on the side wall of the hot liquid cavity of the drying roller, and the film is in contact with the sponge layer.
By adopting the technical scheme, the sponge layer in contact with the film is arranged on the side wall of the hot liquid cavity of the drying roller, so that on one hand, the sponge layer further conducts heat, and the possibility that the film is scalded due to the higher temperature of the wall of the drying roller is reduced; on the other hand, the sponge strip texture is soft, can alleviate the frictional degree between film and the stoving roller, reduces the printing ink wearing and tearing on the film, guarantees printing quality.
Further setting the following steps: the side, opposite to the rack, of the first-stage drying oven and the second-stage drying oven is matched with and abutted against the rack, sealing rubber strips are arranged at the abutted positions of the first-stage drying oven and the second-stage drying oven and the rack, and two groups of driving assemblies used for driving the first-stage drying oven and the second-stage drying oven to be close to or far away from the rack are arranged on the rack.
By adopting the technical scheme, one side of the first-stage drying oven, the second-stage drying oven, which is opposite to the rack, is in fit with and abutted against the rack, so that a relatively closed space can be formed between the first-stage drying oven, the second-stage drying oven and the rack when the film is dried, heat loss during hot air drying is reduced, and the drying efficiency is improved. The first-stage drying oven and the second-stage drying oven are respectively driven by a group of driving components to be close to or far away from the rack, and therefore workers can conveniently wind the film and overhaul the equipment at normal time when printing is started.
Further setting the following steps: the driving assembly comprises two telescopic oil cylinders, the two telescopic oil cylinders are respectively installed at the bottoms of the frames at the two ends of the printing roller, the telescopic oil cylinders are installed on the frames along the direction of a connecting line of the frames and the first-stage drying oven or the second-stage drying oven, the cylinder body parts of the telescopic oil cylinders are fixed with the frames, the piston rod parts of the telescopic oil cylinders are fixed with the first-stage drying oven or the second-stage drying oven, and universal wheels are arranged at the bottoms of the first-stage drying oven and the second-stage.
Through adopting above-mentioned technical scheme, first-level oven and second grade oven are realized being close to or keeping away from with the frame through the flexible of two flexible hydro-cylinders respectively, and the bottom of first-level oven and second grade oven all sets up the universal wheel, make the opening between first-level oven and the second grade oven and the frame closed more convenient.
Further setting the following steps: the first-stage drying oven and the second-stage drying oven are respectively provided with a first-stage air outlet and a second-stage air outlet, the first-stage air outlet is formed in the side face, facing the material conveying roller, of the first-stage drying oven, and the second-stage air outlet is formed in the side wall, located at the two ends of the drying roller, of the second-stage drying oven.
Through adopting above-mentioned technical scheme, set up one-level air outlet and second grade air outlet respectively on one-level oven and the second grade oven, the gas between frame and one-level oven, the second grade oven can be followed one-level air outlet and second grade air outlet department and in time discharged, atmospheric pressure and temperature when maintaining steam stoving film are stable, and oven-dry mass is higher.
Further setting the following steps: the one-level supply-air hole with the one-level air outlet all is located the one-level oven orientation pass on the lateral wall of material roller, and the one-level supply-air hole is located one-level air outlet top.
Through adopting above-mentioned technical scheme, owing to the steam that comes out from the one-level venthole dries the back temperature reduction to the film, the lower air of temperature is because self gravity stops in one-level oven lower part, so the one-level air outlet is located one-level venthole below, can make the steam that comes out from the one-level venthole cool down the back discharge from one-level air outlet more easily to control stoving temperature and pressure stability better.
Further setting the following steps: the secondary drying oven is located a secondary air outlet, an air outlet cover is arranged at the position of the secondary air outlet, the air outlet cover and the primary drying oven are respectively connected with a fan through pipelines, and the air outlet end of the fan is connected with the air inlet end of the electric heating air box through a pipeline.
Through adopting above-mentioned technical scheme, carry out the second grade stoving back to the printing ink on the film from the hot-blast of the second grade supply-air vent of a plurality of stoving rollers, rethread second grade air outlet gets into out the fan housing, goes out the steam rethread pipeline, the fan of retrieving in fan housing and the one-level oven and carries again to reheating in the electrical heating bellows to realize the cyclic utilization of steam, improve drying efficiency and reduce the energy consumption, more green.
In conclusion, the beneficial technical effects of the invention are as follows:
(1) after the film is printed with the ink, in the process of transmission through the waist-shaped channel, the primary drying oven and the secondary drying oven on the two sides of the rack dry the ink on the film, the drying stroke of the film is longer, the occupied space in the vertical direction is less, the equipment installation of a production workshop is facilitated, and the drying time of the film is longer; the printing surface of the film is not contacted with the material conveying roller all the time, so that the defect that the ink is not strongly combined with the film and adheres to the material conveying roller in the early stage of film printing is overcome, and the drying quality is better;
(2) one side of the drying rollers, which is back to the material conveying rollers, forms a material guide channel through which the film passes when leaving the rack, a partition plate is arranged in each drying roller, a cavity in each drying roller is divided into a hot air cavity and a hot liquid cavity by the partition plate, and when the film passes through the cylinder wall on the side where the hot liquid cavity of each drying roller is located, the drying rollers dry the film in a three-stage manner, so that the drying quality of the ink is further improved;
(3) the first-stage drying oven and the second-stage drying oven are respectively close to or far away from the rack through two telescopic oil cylinders, and an electric heating air box and a fan are arranged in the first-stage drying oven and on the second-stage drying oven to realize hot air circulation, so that heat loss is reduced while the drying efficiency is improved, the hot air is recycled, and the energy is saved and the environment is protected.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the installation structure of the transfer roller and the drying roller in FIG. 1;
FIG. 3 is a schematic structural view of the primary oven of FIG. 1;
fig. 4 is a schematic structural view of the secondary oven of fig. 1.
Reference numerals: 1. a frame; 2. a first-stage oven; 3. a secondary oven; 4. a printing roller; 5. a material conveying roller; 6. a primary air supply hole; 7. a drying roller; 8. a secondary air supply hole; 9. an electrically heated bellows; 10. a partition plate; 11. a hot air chamber; 12. a hot liquid chamber; 13. a sponge layer; 14. sealing rubber strips; 15. a drive assembly; 16. a telescopic oil cylinder; 17. a universal wheel; 18. a primary air outlet; 19. a secondary air outlet; 20. an air outlet cover; 21. a fan; 22. a vertical plate; 23. a compression roller; 24. an ink tank; 25. screening a screen; 26. a feed inlet; 27. a guide roller; 28. a middle plate; 29. an air inlet cavity; 30. and an air outlet cavity.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the drying device of a film printing machine disclosed by the invention comprises a frame 1, a primary oven 2 and a secondary oven 3. The frame 1 comprises two opposite vertical plates 22, and the two vertical plates 22 are in a vertical waist shape with two convex sides in the horizontal direction. The printing roller 4 and the press roller 23 are arranged at the positions, close to the middle point of the bottom, of the two vertical plates 22, an ink groove 24 is fixed between the two vertical plates 22 below the printing roller 4, the press roller 23 is opposite to the printing roller 4 up and down, and the thin film passes through the space between the press roller 23 and the printing roller 4. Six material conveying rollers 5 are arranged on the two vertical plates 22 along the waist-shaped edge, the six material conveying rollers 5 are symmetrically distributed by taking the vertical plane of the roller axis of the printing roller 4 as a central symmetry plane, the six material conveying rollers 5 form a waist-shaped channel of the film, and the printing surface of the film is not contacted with the material conveying rollers 5 all the time. The first-stage drying oven 2 and the second-stage drying oven 3 are respectively positioned at two opposite sides of the rack 1 to respectively dry the printing ink on the film passing through the six material conveying rollers 5.
Referring to fig. 1 and 3, one-level oven 2 is the closed shell, and a plurality of one-level blast hole 6 have evenly been seted up towards the first half of a side of biography material roller 5 to one-level oven 2, and a plurality of one-level air outlet 18 has evenly been seted up towards a side latter half of biography material roller 5 to one-level oven 2, all installs screen cloth 25 on every one-level air outlet 18. An intermediate plate 28 is fixed in the middle of the inner cavity of the first-stage oven 2, and the intermediate plate 28 divides the inner cavity of the first-stage oven 2 into an air inlet cavity 29 and an air outlet cavity 30. The secondary drying oven 3 is a shell which is open towards the side face of the material conveying roller 5, four drying rollers 7 (see fig. 4) which are hollow inside are fixed on the side face of the opening, a strip-shaped feeding hole 26 for a film to pass through is formed in the bottom of the side wall of the secondary drying oven 3, which is far away from the material conveying roller 5, the film enters the space between the printing roller 4 and the compression roller 23 from the feeding hole 26 to be printed, and then the film is transmitted and dried along a kidney-shaped channel formed by the six material conveying rollers 5. The four drying rollers 7 are arranged along the arrangement direction of the three material conveying rollers 5 on one side of the frame 1 close to the secondary drying oven 3, and a plurality of secondary air supply holes 8 are uniformly formed in one side of each drying roller 7 facing the material conveying roller 5; a plurality of second air outlets are formed in the side walls of the two ends of the drying roller 7 of the secondary drying oven 3, and a closed air outlet cover 20 is fixed outside the side wall of the secondary drying oven 3 at the position of the secondary air outlet 19.
Referring to fig. 1 and 4, an electric heating air box 9 and a fan 21 are respectively installed on the top surfaces of the first-stage oven 2 and the second-stage oven 3, the air outlet cover 20 and the first-stage oven 2 are respectively connected with the air inlet end of the fan 21 through a pipeline, and the air outlet end of the fan 21 is connected with the air inlet end of the electric heating air box 9 through a pipeline. The air outlet ends of the two electric heating air boxes 9 are respectively communicated with the inner cavity of the primary drying oven 2 and the inner cavity of the drying roller 7 through pipelines, and further communicated with the primary air supply hole 6 and the secondary air supply hole 8. The two electric heating air boxes 9 heat air and send the air into the inner cavities of the first-stage drying oven 2 and the four drying rollers 7 through pipelines, and the hot air respectively reaches the surface of the film through the first-stage air supply holes 6 and the second-stage air supply holes 8 to fully dry the surface of the film. The temperature of the film is reduced after the film is dried by hot air, and the two fans 21 respectively pump the air with reduced temperature back to the electric heating air box 9 through the primary air outlet 18 and the secondary air outlet 19, so that the hot air is circularly heated and utilized, the drying efficiency is improved, and the energy consumption is reduced.
Referring to fig. 1 and 2, strip-shaped partition plates 10 extending along the axial direction of the drying rollers 7 are fixed inside the four drying rollers 7, the partition plates 10 partition the inner cavities of the drying rollers 7 into hot air cavities 11 and hot liquid cavities 12, the hot air cavities 11 are the sides of the drying rollers 7 close to the material conveying rollers 5 and are connected with the air outlet ends of the electric heating air boxes 9 through pipelines, and the hot liquid cavities 12 are the sides of the drying rollers 7 far away from the material conveying rollers 5. The secondary air supply hole 8 is positioned at one side of the hot air cavity 11, and the hot air cavity 12 is filled with heat-conducting liquid. The cylinder wall of one side of the four drying rollers 7 back to the material conveying rollers 5, namely the cylinder wall of one side of the drying rollers 7 in the hot liquid cavity 12, forms a film discharging channel at the conveying tail end of the six material conveying rollers 5. The machine frame 1 at the tail end of the film transmission of the six transfer rollers 5 is also provided with a guide roller 27, the film enters the discharge channel after bypassing the guide roller 27 until leaving the machine frame 1 and entering the next processing procedure, the wall of the drying roller 7 at one side of the hot liquid cavity 12 is adhered with a sponge layer 13, and the printing surface of the film is contacted with the surface of the guide roller 27 and the sponge layer 13 at one side of the hot liquid cavity 12 of the four drying rollers 7.
The film passes through six biography material rollers 5 after printing ink printing earlier, keeps away from the discharging channel of passing material roller 5 one side to leaving frame 1 through four stoving rollers 7 again, and the heat in the hot air chamber 11 passes through baffle 10 and transmits to heat conduction liquid, and heat conduction liquid transmits the heat to the film through the section of thick bamboo wall of stoving roller 7 again, and the film is when passing through a plurality of stoving rollers 7, and stoving roller 7 carries out the tertiary stoving to the film, improves drying efficiency and quality.
In order to further improve the drying efficiency and reduce heat loss, one side of the first-stage drying oven 2, the second-stage drying oven 3 opposite to the vertical plate 22 is matched with the edge of the vertical plate 22 in a butting manner, sealing rubber strips 14 are fixed at the butting portions of the first-stage drying oven 2, the second-stage drying oven 3 and the vertical plate 22, and two groups of driving assemblies 15 which are respectively used for driving the first-stage drying oven 2 and the second-stage drying oven 3 to be close to or far away from the rack 1 are arranged on the rack. The driving assembly 15 comprises two telescopic oil cylinders 16, the two telescopic oil cylinders 16 are respectively installed at the bottom of a vertical plate 22 at two ends of the printing roller 4, the telescopic oil cylinders 16 are installed on the inner side of the vertical plate 22 along the connecting line direction of the vertical plate 22 and the first-stage drying oven 2 or the second-stage drying oven 3, the cylinder body parts of the telescopic oil cylinders 16 are fixed with the vertical plate 22, the piston rod parts of the telescopic oil cylinders 16 are fixed with the first-stage drying oven 2 or the second-stage drying oven 3, and universal wheels 17 are installed at the bottoms of the first-stage drying oven 2.
The implementation principle and the beneficial effects of the embodiment are as follows: six material conveying rollers 5 are arranged on a rack 1 to form a waist-shaped channel in the film conveying process, a primary drying oven 2 and a secondary drying oven 3 are respectively arranged on two sides of the rack 1 to dry ink on a film passing through the waist-shaped channel, the drying stroke of the film is longer, the occupied space in the vertical direction is smaller, the equipment installation of a production workshop is facilitated, and the drying time of the film is longer; and the printing surface of the film is not contacted with the material conveying roller 5 all the time, thereby overcoming the defect that the ink is not strongly combined with the film in the early stage of film printing and is adhered to the material conveying roller 5, and the drying quality is better.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (5)
1. The utility model provides a film printing machine's drying device, includes frame (1), installs one-level oven (2) and second grade oven (3) of frame (1) both sides, its characterized in that: the bottom end of the machine frame (1) is provided with a printing roller (4), the machine frame (1) is symmetrically provided with a plurality of material conveying rollers (5) by taking a vertical surface where the axis of the printing roller (4) is positioned as a symmetrical surface, the plurality of material conveying rollers (5) form a kidney-shaped channel of a thin film, and the printing surface of the thin film is not contacted with the material conveying rollers (5) all the time;
a plurality of primary air supply holes (6) are formed in one side face, facing the material conveying roller (5), of the primary drying oven (2), a plurality of drying rollers (7) with hollow interiors are fixed on one side, facing the material conveying roller (5), of the secondary drying oven (3), a plurality of secondary air supply holes (8) are formed in one side, facing the material conveying roller (5), of the plurality of drying rollers (7), and electric heating air boxes (9) communicated with the primary air supply holes (6) and the secondary air supply holes (8) are respectively installed on the primary drying oven (2) and the secondary drying oven (3); a partition plate (10) is arranged inside the drying roller (7), the partition plate (10) partitions an inner cavity of the drying roller (7) into a hot air cavity (11) and a hot liquid cavity (12), the secondary air supply hole (8) is located on one side of the hot air cavity (11), and the hot liquid cavity (12) is filled with heat-conducting liquid; one side of the drying rollers (7) back to the material conveying rollers (5) forms a film discharging channel at the transmission tail end of the material conveying rollers (5); a sponge layer (13) is arranged on the side wall of the hot liquid cavity (12) of the drying roller (7), and the film is in contact with the sponge layer (13); the primary drying oven (2) and the secondary drying oven (3) are respectively provided with a primary air outlet (18) and a secondary air outlet (19), the primary air outlet (18) is arranged on the side face, facing the material conveying roller (5), of the primary drying oven (2), and the secondary air outlet (19) is arranged on the side walls, located at two ends of the drying roller (7), of the secondary drying oven (3).
2. The drying apparatus of a film printing machine according to claim 1, wherein: one side of the first-stage drying oven (2) and one side of the second-stage drying oven (3), which are opposite to the rack (1), are respectively matched with the rack (1) in a butting way, sealing rubber strips (14) are respectively arranged at the butting parts of the first-stage drying oven (2), the second-stage drying oven (3) and the rack (1), and two groups of driving assemblies (15) which are respectively used for driving the first-stage drying oven (2) and the second-stage drying oven (3) to be close to or far away from the rack (1) are arranged on the rack (1).
3. The drying apparatus of a film printing machine according to claim 2, wherein: the driving assembly (15) comprises two telescopic oil cylinders (16), the two telescopic oil cylinders (16) are respectively installed at the bottoms of the frames (1) at the two ends of the printing roller (4), the telescopic oil cylinders (16) are installed on the frames (1) along the connecting line direction of the frames (1) and the first-stage drying oven (2) or the second-stage drying oven (3), the cylinder body parts of the telescopic oil cylinders (16) are fixed with the frames (1), the piston rod parts of the telescopic oil cylinders (16) are fixed with the first-stage drying oven (2) or the second-stage drying oven (3), and universal wheels (17) are respectively arranged at the bottoms of the first-stage drying oven (2) and the second-stage drying oven (3).
4. The drying apparatus of a film printing machine according to claim 1, wherein: the primary air supply hole (6) and the primary air outlet (18) are located on the side wall, facing the material conveying roller (5), of the primary drying oven (2), and the primary air supply hole (6) is located above the primary air outlet (18).
5. The drying apparatus of a film printing machine according to claim 1, wherein: the secondary drying oven (3) is located an air outlet cover (20) is arranged at the secondary air outlet (19), the air outlet cover (20) and the primary drying oven (2) are respectively connected with a fan (21) through pipelines, and the air outlet end of the fan (21) is connected with the air inlet end of the electric heating air box (9) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910632359.3A CN110406251B (en) | 2019-07-13 | 2019-07-13 | Drying device of film printing machine |
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|---|---|---|---|
| CN201910632359.3A CN110406251B (en) | 2019-07-13 | 2019-07-13 | Drying device of film printing machine |
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| CN110406251A CN110406251A (en) | 2019-11-05 |
| CN110406251B true CN110406251B (en) | 2021-01-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110626063A (en) * | 2019-11-08 | 2019-12-31 | 安徽双盈纺织有限公司 | Drying device for transfer printing machine |
| CN212499437U (en) * | 2019-11-25 | 2021-02-09 | 魏宏帆 | Thin film printing device |
| CN112918098B (en) * | 2021-02-01 | 2022-07-12 | 巩义市奔腾辊业有限公司 | Energy-saving environment-friendly plastic film dryer and method |
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