CN113910755B

CN113910755B - Printing process display device and display method of roll-to-roll printer

Info

Publication number: CN113910755B
Application number: CN202111334516.6A
Authority: CN
Inventors: 冯润泉; 庞东华; 杨开新
Original assignee: Changde Tongda Machinery Manufacturing Co ltd
Current assignee: Changde Tongda Machinery Manufacturing Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2023-01-10
Anticipated expiration: 2041-11-11
Also published as: CN113910755A

Abstract

The invention discloses a printing process display device and a display method of a roll-to-roll printing machine, which comprises a printing rack, a film collecting machine and an automatic feeding machine, wherein a printing platform is fixedly arranged at the upper part of the printing rack, a lifting column is fixedly connected to the back surface of the printing platform, a printing cross beam is slidably connected to the front surface of the lifting column, a moving seat is slidably connected to the front surface of the printing cross beam, two pneumatic telescopic rods are fixedly arranged in the moving seat in the vertical direction, the movable ends of the two pneumatic telescopic rods are respectively and fixedly connected with a printing scraper and an ink return knife, a silk screen printing plate is fixedly connected to the lower part of the printing cross beam, and a limiting sink groove is formed in the upper surface of the printing platform. This application sets up the vacuum hole at printing platform, and printing process utilizes negative pressure suction to promote printing ink to dip printing paper, solves current printing machine printing ink and only adheres to on printing paper surface, postpones to dip, and the phenomenon of fold is shown to the picture and text appearing often after the drying, and the quality that improves the printing and show is full, the third dimension of the back of the positive printing and the back picture and text of drying.

Description

Printing process display device and display method of roll-to-roll printer

Technical Field

The invention relates to the technical field of printing machines, in particular to a printing process display device and a display method of a roll-to-roll printing machine.

Background

The roll-to-roll printing machine mainly adopts the screen printing technology, the working principle is that the characters or patterns on the screen printing plate can penetrate through ink, the printing is carried out on the substrate principle that partial meshes without the characters and the texts are not ink-permeable, during the screen printing, mixed ink is required to be poured into one side, then pressure is applied to the ink position scraped on a printing plate of the screen printing plate by the screen printing, the printing plate moves towards the other side of the screen printing plate, and if the ink is squeezed onto a printing stock from the positions with the characters and the texts by scraping glue in the moving process of the ink, the screen printing ink is printed on the screen printing plate, the ink is thicker and bright in color, a full feeling is provided for people, the stereoscopic impression is strong, and the roll-to-roll printing machine is suitable for printing the patterns such as the characters and the like on the large-area.

However, the printing ink is thick, the curing time is long, the ink film is obviously shrunk and even bent, so that the display quality problem of printed pictures and texts is caused, the printing ink is particularly used for printing on the surface of paper, the ink is soaked into the paper to delay, and the timely curing and picture and text display characteristics are influenced.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a printing process display device and a display method of a roll-to-roll printing machine.

In order to achieve the purpose, the invention adopts the following technical scheme:

roll up printing process display device of formula printing machine to roll, including the printing frame, receipts membrane machine and autoloader, the upper portion fixed mounting of printing frame has printing platform, printing platform's back fixedly connected with lift post, the front sliding connection of lift post has the printing crossbeam, the front sliding connection of printing crossbeam has the removal seat, the interior vertical direction fixed mounting of removal seat has two pneumatic telescopic links, and two pneumatic telescopic links's expansion end is fixedly connected with printing scraper and ink return sword respectively, the below fixedly connected with silk screen printing version of printing crossbeam, spacing heavy groove has been seted up to the upper surface of printing platform, the vacuum hole has been seted up to the inner bottom wall in spacing heavy groove, the printing die block has been placed in the spacing heavy groove, the pump suction hole that downwards runs through has been seted up on the surface of printing die block, the inner wall of printing frame is provided with vacuum generator, vacuum generator's input port passes through the pipeline and is connected with vacuum hole bottom opening.

Preferably, the top end of the lifting column is fixedly provided with a first servo motor, the first servo motor drives the printing cross beam to move up and down through a lead screw arranged in the lifting column, the end part of the printing cross beam is fixedly connected with a second servo motor, and the second servo motor drives the moving seat to move left and right through the lead screw arranged in the printing cross beam.

Preferably, the lower fixed surface of printing crossbeam is connected with the joint piece, and the spout has been seted up to the side of joint piece, the silk screen version includes the frame, and the bottom fixed mounting of frame has the silk screen, and the surface of silk screen is provided with the printing mesh region, the side fixedly connected with bellying of frame, but bellying slidable mounting be in the spout, and the upper surface of joint piece is provided with the bolt that supports and press the bellying.

Preferably, the film collecting machine and the automatic feeding machine are respectively and rotatably connected with a material collecting roller, printing paper is wound on the surface of the material collecting roller, the middle end of the printing paper is lapped on the upper surface of the printing bottom template, and the silk screen printing plate is arranged above the printing paper.

Preferably, the lower surface of the printing scraper is rotatably connected with a scraping shaft, the surface of the scraping shaft is fixedly connected with a driving motor, and the driving motor drives the scraping shaft to rotate forwards or backwards through a gear.

Preferably, the surface of the printing bottom template is provided with a printing recessed area, the shape of the printing recessed area is consistent with that of the printed characters or figures, and the recessed depth of the printing recessed area is 0.1mm-0.3mm.

Preferably, the last fixed surface of receipts membrane machine is connected with drying oven, and drying oven's upper surface is provided with the upset apron, and drying oven and the inner chamber that the upset apron formed are circular, and drying oven's inside fixed mounting has the electrical heating fluorescent tube, and drying oven's the left and right sides all is provided with wears to adorn the opening.

Preferably, the inner wall of the drying oven is rotatably provided with a plurality of rollers.

Preferably, the inside of the drying oven is rotatably connected with a deflector, the surface of the deflector is provided with a plurality of air outlets, the surface of the deflector is fixedly provided with air plates with the same number as the air outlets, the deflector is sleeved on the periphery of the electric heating lamp tube, and the back of the drying oven is fixedly provided with a motor for driving the deflector.

The application also provides a printing process display method of the roll-to-roll printing machine, desiccant powder is dispersed in the printing paper, the printing ink is printed on the upper surface of the silk screen, the silk screen is pressed downwards in the printing process, the printing paper is clamped by the silk screen and the printing bottom template, the printing shaft keeps rotating or in a static state to scrape and move the printing ink, meanwhile, the pumping hole generates negative pressure to adsorb the printing paper, air penetrates through the printing paper through fiber pores of the printing paper, the printing ink is soaked into the printing paper along with air flow, the printing ink is combined with the desiccant powder to be cured, and characters or patterns formed on the surface of the printing paper are quickly dried and cured through a drying oven.

The invention has the following beneficial effects:

1. the utility model provides a printing process display device of roll-to-roll printing machine sets up the vacuum hole at printing platform, and the printing process utilizes negative pressure suction to promote printing ink to dip printing paper, solves current printing machine printing ink and only adheres to on the printing paper surface, postpones to dip, and the phenomenon of picture and text demonstration fold appears after the drying often, and full, the third dimension of picture and text after guaranteeing just printing back and drying improves the quality that the printing shows.

2. The application discloses roll-to-roll printing machine's printing process display device is thicker to printing ink thickness, uses the printing paper of addding dry powder to and dry oven, when keeping printing speed, makes printing ink can be respectively in paper dry and the outer drying of yoshino, makes it to realize rapid solidification, reduces and flows and glues the seal, thereby realizes providing feasible drying process for thick ink printing and supplementary, facilitates for quick printing.

3. The utility model provides a roll-to-roll printing machine's printing process display device, but positive and negative direction pivoted scraping printing shaft is initiatively set up at the blade of printing scraper, printing scraper reciprocating motion scrapes the printing ink process, it is favorable to pressing the china ink to scrape printing shaft anticlockwise rotation, further promote printing ink to pass printing mesh region, and supply printing ink immersion volume, scraping printing shaft is static or clockwise rotation can realize reducing printing ink and pierce through, the immersed volume, it facilitates to reduce printing ink thickness for the shallow seal, provide the alternative for different printing thickness.

Drawings

FIG. 1 is a schematic view of the overall structure of the apparatus according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of ink immersion in a printing process according to the present invention;

FIG. 4 is a schematic perspective view of a pod according to the present invention;

fig. 5 is a schematic view of a printing mesh region and a printing depression region according to the present invention.

In the figure: the automatic printing machine comprises a printing machine frame 1, a film collecting machine 2, an automatic feeding machine 3, a printing platform 4, a lifting column 5, a printing cross beam 6, a moving seat 7, a pneumatic telescopic rod 8, a printing scraper 9, an ink returning cutter 10, a silk screen printing plate 11, a limiting sinking groove 12, a vacuum hole 13, a printing bottom template 14, a pumping hole 15, a clamping block 16, an outer frame 17, a silk screen 18, a printing mesh area 19, a material collecting roller 20, printing paper 21, a scraping shaft 22, a printing sinking area 23, a drying oven 24, an electric heating lamp tube 25, a rolling shaft 26, a flow guide cover 27, a wind plate 28 and printing ink 29.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-5, a printing process display device of a roll-to-roll printer, including a printing frame 1, a film collecting machine 2 and an automatic feeding machine 3, an upper portion fixed mounting of the printing frame 1 has a printing platform 4, a back fixedly connected with lifting column 5 of the printing platform 4, a front sliding connection of the lifting column 5 has a printing crossbeam 6, a front sliding connection of the printing crossbeam 6 has a moving seat 7, a top fixed mounting of the lifting column 5 has a first servo motor, the first servo motor drives the printing crossbeam 6 to move up and down through a screw rod arranged in the lifting column 5, an end fixedly connected with second servo motor of the printing crossbeam 6, the second servo motor drives the moving seat 7 to move left and right through a screw rod arranged in the printing crossbeam 6.

Remove interior vertical direction fixed mounting of seat 7 has two pneumatic telescopic links 8, and the expansion end difference fixedly connected with printing scraper 9 and ink return sword 10 of two pneumatic telescopic links 8, the below of printing crossbeam 6 is provided with silk screen printing screen 11, the lower fixed surface of printing crossbeam 6 is connected with joint piece 16, the spout has been seted up to the side of joint piece 16, silk screen printing screen 11 includes frame 17, the bottom fixed mounting of frame 17 has silk screen 18, the surface of silk screen 18 is provided with printing mesh region 19, the side fixedly connected with bellying of frame 17, but bellying slidable mounting is in the spout, and the upper surface of joint piece 16 is provided with the bolt that supports and press the bellying.

The interior of the film collecting machine 2 and the interior of the automatic feeding machine 3 are respectively connected with a material collecting roller 20 in a rotating manner, the surface of the material collecting roller 20 is wound with printing paper 21, the middle end of the printing paper 21 is lapped on the upper surface of the printing bottom template 14, and the silk screen printing plate 11 is arranged above the printing paper 21.

The lower surface of printing scraper 9 rotates and is connected with scraping printing shaft 22, and the fixed surface of scraping printing shaft 22 is connected with driving motor, driving motor passes through gear drive scraping printing shaft 22 corotation or reversal, but set up initiative positive and negative direction pivoted scraping printing shaft 22 at the blade of printing scraper 9, printing scraper 9 reciprocating motion scrapes ink 29 process, scraping printing shaft 22 anticlockwise rotation is favorable to the pressure china ink, further promote printing ink 29 to pass printing mesh region 19, and supply printing ink 29 immersion volume, scraping printing shaft 22 is static or clockwise rotation can realize reducing printing ink 29 and pierce through, the volume of immersion, reduce printing ink 29 thickness for the shallow seal and facilitate, provide the alternative for different printing thickness.

The upper surface of printing platform 4 has seted up spacing heavy groove 12, and vacuum hole 13 has been seted up to the inner diapire of spacing heavy groove 12, has placed printing die block board 14 in the spacing heavy groove 12, and the surface of printing die block board 14 is seted up and is pumped hole 15 downwards to run through, and the inner wall of printing frame 1 is provided with vacuum generator, and vacuum generator's input port passes through the pipeline and is connected with vacuum hole 13 bottom opening.

In this embodiment, as shown in fig. 5, a printing recessed area 23 is provided on the surface of the printing base template 14, the shape of the printing recessed area 23 is consistent with the shape of the printed characters or graphics, the recessed depth of the printing recessed area 23 is 0.1mm-0.3mm, during the printing process, the printing paper 21 is vacuum-absorbed, the printing paper 21 deforms to be tightly attached to the recessed inner wall of the printing recessed area 23, and the ink 29 can be stopped at the recessed portion to increase the thickness of the graphic ink, thereby further promoting the thick ink printing.

The upper surface of the film collecting machine 2 is fixedly connected with a drying oven 24, the upper surface of the drying oven 24 is provided with a turnover cover plate, an inner cavity formed by the drying oven 24 and the turnover cover plate is circular, an electric heating lamp tube 25 is fixedly arranged inside the drying oven 24, and the left side and the right side of the drying oven 24 are provided with penetrating openings.

The inner wall of the drying oven 24 is rotatably provided with a plurality of rollers 26, the inside of the drying oven 24 is rotatably connected with a flow guide cover 27, the surface of the flow guide cover 27 is provided with a plurality of air outlets, the surface of the flow guide cover 27 is fixedly provided with air plates 28 with the same number as the air outlets, the flow guide cover 27 is sleeved on the periphery of the electric heating lamp tube 25, the back of the drying oven 24 is fixedly provided with a motor for driving the flow guide cover 27, the flow guide cover 27 rotates to facilitate the outward diffusion of the internal hot air, and the printing paper 21 is tightly attached to the rollers 26 by utilizing a hot air radiation type diffusion path, so that the distance between the printing paper 21 and the electric heating lamp tube 25 is ensured, the damage of scorching caused by too close or concentrated heating is avoided, the arc shape in the drying oven 24 prolongs the drying path or time of the printing paper 21, the floor area of equipment is reduced, and the drying is sufficient.

It should be noted that, the drying agent powder is dispersed in the printing paper 21, and for the thicker thickness of the ink 29, the printing paper 21 with the drying agent powder added is used, and the drying oven 24, while the printing speed is kept, the ink 29 can be respectively dried in the paper and outside the paper, so that the rapid solidification can be realized, the flowing and the sticking can be reduced, the feasible drying treatment assistance for the thick ink printing can be realized, and the convenience for the rapid printing can be provided.

Printing ink 29 on the upper surface of the silk screen 18, pressing down the silk screen 11 during the printing process to clamp the printing paper 21 by the silk screen 11 and the printing bottom template 14, scraping the printing ink 29 by the scraping shaft 22 in a rotating or static state, absorbing the printing paper 21 by the negative pressure generated by the pumping hole 15, penetrating air through the printing paper 21 from the fiber pores of the printing paper 21, immersing the printing paper 21 with the ink 29 along with the air flow, combining the printing ink 29 and the drying agent powder to be cured, and rapidly drying and curing characters or patterns formed on the surface of the printing paper 21 by the drying oven 24.

The printing platform 4 is provided with the vacuum holes 13, the ink 29 is promoted to be soaked into the printing paper 21 by utilizing negative pressure suction force in the printing process, the problems that the ink 29 of the existing printing machine is only attached to the surface of the paper, the soaking is delayed, and the phenomenon that pictures and texts are folded after drying is often caused are solved, the plump and stereoscopic impression of the printed pictures and texts and the dried pictures and texts is ensured, and the printing and displaying quality is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. Printing process display device of volume to volume formula printing machine, including printing frame (1), receipts membrane machine (2) and autoloader (3), its characterized in that: the printing device comprises a printing rack (1), a printing platform (4) is fixedly mounted on the upper portion of the printing rack (1), a lifting column (5) is fixedly connected to the back of the printing platform (4), a printing cross beam (6) is slidably connected to the front of the lifting column (5), a moving seat (7) is slidably connected to the front of the printing cross beam (6), two pneumatic telescopic rods (8) are fixedly mounted in the moving seat (7) in the vertical direction, movable ends of the two pneumatic telescopic rods (8) are respectively fixedly connected with a printing scraper (9) and an ink return knife (10), a silk screen printing plate (11) is fixedly connected to the lower portion of the printing cross beam (6), a limiting sinking groove (12) is formed in the upper surface of the printing platform (4), a vacuum hole (13) is formed in the inner bottom wall of the limiting sinking groove (12), a printing bottom template (14) is placed in the limiting sinking groove (12), a pumping hole (15) penetrating downwards is formed in the surface of the printing bottom template (14), a vacuum generator is arranged on the inner wall of the printing rack (1), and an input port of the vacuum generator is connected with an opening in the bottom end of the vacuum hole (13) through a pipeline;

the top end of the lifting column (5) is fixedly provided with a first servo motor, the first servo motor drives the printing cross beam (6) to move up and down through a lead screw arranged in the lifting column (5), the end part of the printing cross beam (6) is fixedly connected with a second servo motor, and the second servo motor drives the moving seat (7) to move left and right through a lead screw arranged in the printing cross beam (6);

the lower surface of the printing cross beam (6) is fixedly connected with a clamping block (16), a sliding groove is formed in the side surface of the clamping block (16), the screen printing plate (11) comprises an outer frame (17), a screen (18) is fixedly installed at the bottom of the outer frame (17), a printing mesh area (19) is arranged on the surface of the screen (18), a protruding portion is fixedly connected to the side surface of the outer frame (17), the protruding portion is slidably installed in the sliding groove, and a bolt abutting against the protruding portion is arranged on the upper surface of the clamping block (16);

the interior of the film collecting machine (2) and the interior of the automatic feeding machine (3) are respectively connected with a material collecting roller (20) in a rotating mode, the surface of the material collecting roller (20) is wound with printing paper (21), the middle end of the printing paper (21) is lapped on the upper surface of a printing bottom template (14), and a silk screen printing plate (11) is arranged above the printing paper (21); desiccant powder is dispersed in the printing paper (21);

the lower surface of the printing scraper (9) is rotatably connected with a scraping and printing shaft (22), the surface of the scraping and printing shaft (22) is fixedly connected with a driving motor, and the driving motor drives the scraping and printing shaft (22) to rotate forwards or backwards through a gear;

the surface of the printing bottom template (14) is provided with a printing depressed area (23), the shape of the printing depressed area (23) is consistent with the shape of the printed characters or figures, and the depressed depth of the printing depressed area (23) is 0.1mm-0.3mm.

2. The printing process display device of a roll-to-roll printer according to claim 1, characterized in that: the upper surface fixed connection of receipts membrane machine (2) has drying oven (24), and the upper surface of drying oven (24) is provided with the upset apron, and the inner chamber that drying oven (24) and upset apron formed is circular, and the inside fixed mounting of drying oven (24) has electrical heating fluorescent tube (25), and the left and right sides of drying oven (24) all is provided with wears to adorn the opening.

3. The printing process display device of the roll-to-roll printer according to claim 2, characterized in that: the inner wall of the drying oven (24) is rotatably provided with a plurality of rollers (26).

4. A printing process display device of a roll-to-roll printer according to claim 3, characterized in that: the inside of drying oven (24) rotates and is connected with kuppe (27), and a plurality of air outlets have been seted up on the surface of kuppe (27), and the surface of kuppe (27) sets firmly aerofoil (28) with quantity such as air outlet, and kuppe (27) suit is in the periphery of electric heating fluorescent tube (25), and the back fixed mounting of drying oven (24) has the motor of drive kuppe (27).

5. A printing process display method of a roll-to-roll printer applied to the printing process display apparatus according to any one of claims 1 to 4, characterized in that: printing ink is brushed on the upper surface of a silk screen, the silk screen is pressed downwards in the printing process, so that printing paper is clamped by the silk screen and a printing bottom template, a scraping shaft keeps rotating or static state to scrape the printing ink, meanwhile, a pumping hole generates negative pressure to adsorb the printing paper, air penetrates through the printing paper from fiber pores of the printing paper, the printing ink is soaked into the printing paper along with air flow, the printing ink is combined with drying agent powder to be solidified, and characters or patterns formed on the surface of the printing paper are quickly dried and solidified through a drying oven.