CN222271562U - High-definition digital screen-hanging flexo printing machine - Google Patents

Abstract

The present application discloses a high-definition digital screen flexographic printing machine, including: a printing unit and a winding unit. The printing units include twelve, and four guide rods are installed on the inner wall of each printing unit. An ink-dyeing roller is installed on the left guide rod, a printing plate roller is respectively arranged on the two middle guide rods, and an extrusion roller is installed on the right guide rod. A light box is installed on the inner wall of the printing unit, a turntable is arranged in the winding unit, and two guide rollers and two winding rollers are arranged on the turntable. A cylinder 2 is installed on the right inner wall of the winding unit, and the cylinder 2 is connected to a cutting knife. The cylinder 1 respectively lifts and lowers the two printing plate rollers, and the positions of the two printing plate rollers are changed to realize double-sided printing. The ultraviolet lamp tube and the reflector in the light box focus the ultraviolet rays on the printing material after printing, and quickly solidify the ink to improve the printing quality. The cylinder 2 pushes the cutter to quickly cut off the printing material on a winding roller, and the other winding roller is used to rewind, so as to realize automatic roll change without stopping the machine and improve the printing efficiency.

Description

High-definition digital screen-hanging flexo printing machine

Technical Field

The application relates to the technical field of printing, in particular to a high-definition digital screen-hanging flexo printing machine.

Background

Flexo printing machines are printing devices, which are usually used for printing materials such as packaging, labels, paper and the like, digital screen flexo printing machines combine the advantages of digital technology and flexo printing, realize high-quality printing, usually utilize digital technology to make drawings, then convert an image file into digital data which can be used for printing, then utilize screen technology to transfer information in the image file to a printing plate, in the process, use a high-precision printing head to transfer information of the image file to the printing plate, the printing head is usually composed of a plurality of nozzles, transfer the image file to the printing plate, and then utilize the flexo printing machine to print. At present, a printing plate roller is generally arranged for single-sided printing in the printing process of a flexo printing machine, the printing plate roller is manually replaced for double-sided printing, the replacing process wastes human resources and time, the printing speed is reduced, each printing unit directly enters the next printing unit for continuous printing after printing of a printing material is finished, printing ink printed on the printing material is not solidified, the printing quality and durability are poor, and when a rolling roller rolls the printing material, the rolling roller is generally stopped or decelerated after the rolling roller is rolled, and then the rolling roller is manually replaced, so that the printing efficiency is affected in the process.

Disclosure of utility model

The application provides a high-definition digital screen-hanging flexo printing machine, which is provided with a support frame, wherein two printing plate rollers are arranged on the support frame, the two printing plate rollers are respectively lifted by a first cylinder, the positions of the two printing plate rollers are directly replaced, double-sided printing is realized, human resources and time resources are saved, a lamp box is arranged in each printing unit, ultraviolet rays are focused and irradiated onto printed materials through an ultraviolet lamp and a reflective mirror in the lamp box, printing ink on the printed materials is quickly cured, printing quality and durability are improved, two rolling rollers are arranged in a rolling unit, a cutter is pushed by a second cylinder to quickly cut off the printed materials on one rolling roller, and then the other rolling roller is used for rolling, so that automatic roll replacement without shutdown is realized, time is saved, and printing efficiency is improved.

The application provides a high-definition digital screen flexo printing machine, which comprises printing units and a winding unit, wherein the printing units comprise twelve printing units, the twelve printing units are sequentially connected, four guide rods are arranged on the inner wall of each printing unit, an ink-dyeing roller is arranged on the left guide rod, an ink box is arranged below the ink-dyeing roller, an ink scraping plate is arranged on the periphery of the ink-dyeing roller, a printing plate roller is respectively arranged on the middle two guide rods, each printing plate roller is wrapped with a printing plate, the printing plate is sprayed and painted by a plurality of nozzles to form a plurality of protruding blocks, the two printing plate rollers are arranged on a supporting frame, the supporting frame is fixed on the inner wall of the printing unit, two ends of the guide rods of each printing plate roller are respectively connected with a telescopic rod, each telescopic rod is respectively connected with a first cylinder, each first cylinder is fixed on the inner wall of the printing unit, a pressing roller is arranged on the right guide rod, the pressing roller is close to the printing plate roller, the ink-dyeing roller, the printing plate roller and the pressing roller are connected with the same variable speed motor, an ultraviolet lamp is arranged on the inner wall of the printing unit opposite to the pressing roller, an ultraviolet lamp is arranged in the lamp box, and an ultraviolet lamp is arranged in the lamp box;

The rolling unit is internally provided with a rotary table, a rotary cylinder is arranged in the rotary table, two guide rollers and two rotating shafts are arranged on the rotary table, the two guide rollers and the two rotating shafts are distributed in a crossed mode, a rolling roller is arranged on each rotating shaft, the two rolling rollers are respectively connected with a servo motor, a cylinder II is arranged on the inner wall of the right side of the rolling unit, and the cylinder II is connected with a cutter;

The printing unit and the winding unit are electrically connected with a PLC controller together with a variable speed motor, a servo motor, a first cylinder, a second cylinder and a rotating cylinder.

Further, two iron rods are arranged at two ends of the guide rod of the ink-dyeing roller, one end of each iron rod supports the same ink scraping plate, and the ink scraping plates are close to the ink-dyeing roller.

Further, the support frame is Y-shaped, and the two printing plate rollers correspondingly move to branches of the support frame.

Further, the same transmission device is used among the inking roller, the printing plate roller and the squeeze roller, the transmission device is connected with a variable speed motor, the output end of the variable speed motor is provided with a first gear, one ends of the inking roller, the printing plate roller and the squeeze roller are respectively provided with a second gear, and the first gear is connected with each second gear through a toothed chain.

Further, the rotary cylinder can adjust the rotation angle of the turntable.

Further, a display screen and a plurality of operation buttons are arranged on the PLC.

According to the technical scheme, the high-definition digital screen-hanging flexo printing machine comprises a printing unit and a winding unit, wherein the printing unit comprises twelve printing units, the twelve printing units are sequentially connected, four guide rods are arranged on the inner wall of each printing unit, a inking roller is arranged on the left guide rod, an ink box is arranged below the inking roller, an ink scraping plate is arranged on the periphery of the inking roller, a printing plate roller is respectively arranged on the middle two guide rods, a printing plate is wrapped on each printing plate roller, the printing plate is sprayed and painted by a plurality of nozzles to form a plurality of projections, the two printing plate rollers are arranged on a supporting frame, the supporting frame is fixed on the inner wall of the printing unit, two ends of the guide rod of each printing plate roller are respectively connected with a telescopic rod, each telescopic rod is respectively connected with a cylinder, each cylinder is fixed on the inner wall of the printing unit, an extruding roller is arranged on the right guide rod, the extruding roller is close to the printing plate roller, the inking roller, The printing plate roller and the squeeze roller are connected with the same variable speed motor, a lamp box is arranged on the inner wall of a printing unit opposite to the squeeze roller, an ultraviolet lamp tube is arranged in the lamp box, a reflector is arranged in the lamp box, a rotary table is arranged in a rolling unit, a rotary cylinder is arranged in the rotary table, two guide rollers and two rotary shafts are arranged on the rotary table, the two guide rollers and the two rotary shafts are distributed in a crossed manner, a rolling roller is arranged on each rotary shaft, the two rolling rollers are respectively connected with a servo motor, a cylinder II is arranged on the right inner wall of the rolling unit, the cylinder II is connected with a cutter, the printing unit and the rolling unit are electrically connected with a PLC (programmable logic controller), and the variable speed motor, the servo motor, the cylinder I, The printing plate is printed by nozzles of a spraying system before being wrapped by the printing plate, a lug to be printed is formed, the printing plate is wrapped on the printing plate, the printing plate is convenient to print, in the printing process, the ink-dyeing roller rotates to be stained with ink in an ink box, redundant ink on the ink-dyeing roller is scraped by the ink-scraping plate, the ink on the ink-dyeing roller is uniformly distributed, the ink-dyeing roller and the printing plate roller rotate in the same direction, the ink on the ink-dyeing roller is transferred to the printing plate roller in the rotation process, the PLC controls the cylinders to push the telescopic rods, the two rollers are respectively raised or lowered, the positions of the two printing rollers are directly replaced, and a motor and a time controller are used for controlling the printing plate, so that the printing plate can be changed in the speed, and the flexible printing plate can be controlled by a flexible printing machine, and the printing speed is controlled by a flexible printing motor, and the printing plate is further changed The printing plate roller and the squeeze roller rotate at the same speed, the printing material passes through the middle of the printing plate roller and the squeeze roller, the printing plate roller and the squeeze roller are used for reversely rotating and mutually squeezing, printing ink information on a convex block on the printing material, in the printing process of the printing plate roller, ultraviolet rays are focused and irradiated on the printing material after printing through an ultraviolet lamp tube and a reflective mirror in a lamp box, the ink on the printing material is quickly solidified, the printing quality and durability are improved, a PLC (programmable logic controller) controller controls a rotary cylinder and a servo motor to open, the rotary cylinder drives a rotary table to rotate by a certain angle, the positions of a guide roller and a rotary shaft on the rotary table are adjusted, the servo motor drives a corresponding winding roller to rotate, the printing material after printing is completed is wound, after one winding roller winding is completed, the PLC controller controls a second pushing cutter to advance, the printing material on the winding roller is rapidly cut off, the printing material is wound by the other winding roller, automatic winding of the printing material is not stopped, time is saved, the printing efficiency is improved, and the PLC controller controls each motor, The working state of each cylinder is used for further printing.

In summary, the beneficial effects of the application are as follows:

1. The flexo printing machine is provided with a support frame, two printing plate rollers are arranged on the support frame, the two printing plate rollers are respectively lifted by using a first cylinder, the positions of the two printing plate rollers are directly replaced, double-sided printing is realized, and human resources and time resources are saved.

2. The printing machine is provided with a lamp box in each printing unit, ultraviolet light is focused and irradiated onto a printed printing material through the ultraviolet lamp tube and the reflector in the lamp box, and the printing ink on the printing material is quickly solidified, so that the printing quality and the durability are improved.

3. This flexo printing machine has set up two wind-up rolls at the wind-up unit, promotes the cutter through the cylinder two and cuts off the stock on the wind-up roll fast, then carries out the rolling by another wind-up roll to the stock, realizes not shutting down automatic roll change, and then save time improves printing efficiency.

Drawings

In order to more clearly illustrate the technical solution of the present application, the drawings that are necessary for the embodiments will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic diagram of the structure of the present application.

Fig. 2 is a general view of the working structure of the present application.

Fig. 3 is a schematic diagram of the transmission device of the present application.

FIG. 4 is a schematic view of the structure of a printing plate according to the present application.

Fig. 5 is a schematic structural diagram of a PLC controller according to the present application.

Illustration of:

The printing device comprises a 1-printing unit, a 2-winding unit, a 3-inking roller, a 4-printing plate roller, a 41-lug, a 42-printing plate, a 5-extrusion roller, a 6-ink box, a 7-ink scraping plate, an 8-supporting frame, a 9-cylinder I, a 10-telescopic rod, an 11-variable speed motor, a 12-lamp box, a 13-reflecting mirror, a 14-lamp tube, a 15-rotating disc, a 16-rotating cylinder, a 17-winding roller, a 18-guiding roller, a 19-cylinder II, a 20-servo motor, a 21-printing material, a 22-PLC controller, a 23-transmission device, a 231-gear I, a 232-gear II, a 233-toothed chain and a 24-nozzle.

Detailed Description

In order to enable those skilled in the art to better understand the technical solutions of the present application, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

As can be seen from the above technical solutions, see fig. 1-5.

Example 1:

A high definition digital screen flexo printing machine comprising: the printing unit 1 and the winding unit 2, the printing unit 1 comprises twelve printing units 1 which are sequentially connected, an image for printing is manufactured by utilizing a digital technology, then an image file is converted into digital data which can be used for printing, information in the image file is transferred to a printing plate 42 by utilizing a screen hanging technology, then the twelve printing units 1 of a flexo printing machine are sequentially used for printing, each printing unit 1 prints a single color, the number of the printing units 1 is selected according to the requirement, four guide rods are arranged on the inner wall of each printing unit 1, a inking roller 3 is arranged on the left guide rod, an inking box 6 is arranged below the inking roller 3, the inking roller 3 is close to the printing plate 4, an inking plate 7 is arranged on the periphery of the inking roller 3, the inking roller 3 rotates and is stained with ink in the inking box 6, then redundant ink on the inking roller 3 is scraped by utilizing the inking plate 7, the ink on the ink-dyeing roller 3 is uniformly distributed, the ink-dyeing roller 3 and the printing plate roller 4 rotate in the same direction, the ink on the ink-dyeing roller 3 is transferred to the printing plate roller 4 in the rotation process, the two middle guide rods are respectively provided with a printing plate roller 4, each printing plate roller 4 is wrapped with a printing plate 42, the printing plate 42 is sprayed and painted by a plurality of nozzles 24 to form a plurality of convex blocks 41, before the printing plate roller 4 is wrapped with the printing plate 42, the printing plate 42 is sprayed and painted by the nozzles 24 of a spraying and painting system to form the convex blocks 41 to be printed, then the printing plate 42 is wrapped on the printing plate roller 4, the printing plate roller 4 is convenient to print, the two printing plate rollers 4 are arranged on a support frame 8, the support frame 8 is fixed on the inner wall of a printing unit 1, two ends of the guide rod of each printing plate roller 4 are respectively connected with a telescopic rod 10, each telescopic rod 10 is respectively connected with a cylinder 9, each cylinder I9 is fixed on the inner wall of the printing unit 1, the PLC 22 controls the cylinder I9 to push each telescopic rod 10, so that the two printing plate rollers 4 respectively ascend or descend, the positions of the two printing plate rollers 4 are directly replaced, double-sided printing is realized, human resources and time resources are saved, the right guide rod is provided with the extrusion roller 5, the extrusion roller 5 and the printing plate rollers 4 are reversely rotated and mutually extruded, the printing ink on the convex blocks 41 is printed on the printing material 21, the extrusion roller 5 is close to the printing plate rollers 4, the ink-dyeing roller 3, the printing plate rollers 4 and the extrusion roller 5 are connected with the same variable speed motor 11, the PLC 22 controls and adjusts the rotating speed of the variable speed motor 11, and further the printing speed of the flexo printing machine is changed, the variable speed motor 11 drives the inking roller 3, the printing plate roller 4 and the extrusion roller 5 to rotate at the same speed, the printing stock 21 passes through the middle of the printing plate roller 4 and the extrusion roller 5, the printing ink on the convex blocks 41 is printed on the printing stock 21 by utilizing the opposite rotation of the printing plate roller 4 and the extrusion roller 5 to extrude each other, the inner wall of the printing unit 1 opposite to the extrusion roller 5 is provided with a lamp box 12, an ultraviolet lamp tube 14 is arranged in the lamp box 12, a reflecting mirror 13 is arranged in the lamp box 12, and during the printing process of the printing plate roller 4, ultraviolet rays are focused and irradiated on the printed printing stock 21 through the ultraviolet lamp tube 14 and the reflecting mirror 13 in the lamp box 12, so that the printing ink on the printing stock 21 is quickly solidified, and the printing quality and the durability are improved;

The rolling unit 2 is internally provided with a rotary table 15, a rotary cylinder 16 is arranged in the rotary table 15, the PLC 22 controls and adjusts the rotation angle of the rotary cylinder 16, the rotary table 15 is driven to rotate, two guide rollers 18 and two rotating shafts are arranged on the rotary table 15, the two guide rollers 18 and the two rotating shafts are distributed in a crossed manner, the rotary table 15 rotates by a certain angle, the positions of the guide rollers 18 and the rotating shafts on the rotary table 15 are adjusted, each rotating shaft is provided with a rolling roller 17, each rolling roller 17 is adhered with glue, the printing material 21 is conveniently and rapidly rolled on the rolling rollers 17 after being cut off, the two rolling rollers 17 are respectively connected with a servo motor 20, the PLC 22 controls the servo motor 20 to open, the servo motor 20 drives the corresponding rolling rollers 17 to rotate, the printing material 21 after printing is finished, the guide rollers 18 assist the rolling rollers 17 to support the printing material 21, assist rolling, the inner wall of the right side of the rolling unit 2 is provided with a cylinder two 19, the cylinder two 19 is connected with the first rolling roller, after the rolling rollers 17 are rolled up, the rolling rollers 19 are controlled by the PLC 22 to push the second rolling rollers 19 to advance, the rolling rollers 17 to cut off the printing material 21 automatically, the rolling material 21 is automatically stopped after the rolling rollers are cut off, the rolling material is automatically, the rolling material is not cut off, and the rolling efficiency is further improved, and the rolling efficiency is achieved;

The printing unit 1 and the winding unit 2 are electrically connected with a PLC controller 22 together with a variable speed motor 11, a servo motor 20, a first cylinder 9, a second cylinder 19 and a rotary cylinder 16, and the PLC controller 22 controls the working states of each motor and each cylinder so as to perform printing work.

As a preferred embodiment, two iron rods are arranged at two ends of the guide rod of the ink-dyeing roller 3, one end of each iron rod supports the same ink scraping plate 7, the ink scraping plates 7 are close to the ink-dyeing roller 3, redundant ink on the ink-dyeing roller 3 is scraped by the ink scraping plates 7, and the ink on the ink-dyeing roller 3 is uniformly distributed.

As a preferred embodiment, the support 8 is Y-shaped, two printing plate rollers 4 correspondingly move to branches of the support 8, one printing plate roller 4 moves to branches of the upper end of the support 8, the other printing plate roller 4 moves to a lower branch of the support 8, and the two printing plate rollers 4 are respectively lifted by the first 9 cylinder to directly replace positions of the two printing plate rollers 4, so that double-sided printing is realized.

As a preferred embodiment, the same transmission device 23 is used between the inking roller 3, the printing plate roller 4 and the extruding roller 5, the transmission device 23 is connected with a variable speed motor 11, the output end of the variable speed motor 11 is provided with a first gear 231, one ends of the inking roller 3, the printing plate roller 4 and the extruding roller 5 are respectively provided with a second gear 232, the first gear 231 is connected with each second gear 232 through a toothed chain 233, the PLC controller 22 controls the variable speed motor 11 to be turned on, the first gear 231 at the output end of the variable speed motor 11 rotates, and the toothed chains 233 connected with the first gear 231 drive the second gears 232 to rotate, so that the inking roller 3, the printing plate roller 4 and the extruding roller 5 synchronously rotate.

As a preferred embodiment, the rotating cylinder 16 can adjust the rotating angle of the turntable 15, and the rotation of the rotating cylinder 16 drives the turntable 15 to rotate, so that the turntable 15 rotates by a certain angle, and the positions of the guide roller 18 and the rotating shaft on the turntable 15 are adjusted, so that the winding roller 17 on the rotating shaft is convenient for winding the printing material 21 after printing.

As a preferred embodiment, the PLC controller 22 is provided with a display screen and a plurality of operation buttons, the display screen displays the printing color source of each printing unit 1, so that the printing color source is convenient to view, and each operation button controls the working states of each motor and each cylinder respectively.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "left", "right", "middle", "upper", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the application being indicated by the following claims.

It is to be understood that the application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The embodiments of the present application described above do not limit the scope of the present application.

Claims (6)

1. A high-definition digital screen-hanging flexo printing machine is characterized by comprising a printing unit (1) and a winding unit (2), wherein the printing unit (1) comprises twelve and twelve printing units (1) which are sequentially connected, four guide rods are arranged on the inner wall of each printing unit (1), an ink-dyeing roller (3) is arranged on the left side of each guide rod, an ink box (6) is arranged below each ink-dyeing roller (3), an ink scraping plate (7) is arranged on the periphery of each ink-dyeing roller (3), two printing plate rollers (4) are respectively arranged on the middle two guide rods, each printing plate roller (4) is wrapped with a printing plate (42), each printing plate (42) is sprayed and painted by a plurality of nozzles (24) to form a plurality of convex blocks (41), the two printing plate rollers (4) are arranged on a support frame (8), the support frame (8) is fixed on the inner wall of the printing unit (1), two ends of each guide rod of each printing plate roller (4) are respectively connected with one ink scraping plate (7), each ink roller (10) is connected with one telescopic cylinder (9), and each printing roller (5) is pressed against one printing roller (5) The printing plate roller (4) and the squeeze roller (5) are connected with the same variable speed motor (11), a lamp box (12) is arranged on the inner wall of the printing unit (1) opposite to the squeeze roller (5), an ultraviolet lamp tube (14) is arranged in the lamp box (12), and a reflecting mirror (13) is arranged in the lamp box (12);

A turntable (15) is arranged in the winding unit (2), a rotary cylinder (16) is arranged in the turntable (15), two guide rollers (18) and two rotating shafts are arranged on the turntable (15), the two guide rollers (18) and the two rotating shafts are distributed in a crossed mode, a winding roller (17) is arranged on each rotating shaft, the two winding rollers (17) are respectively connected with a servo motor (20), a cylinder II (19) is arranged on the inner wall on the right side of the winding unit (2), and the cylinder II (19) is connected with a cutter;

The printing unit (1) and the winding unit (2) are electrically connected with a PLC (programmable logic controller) 22, and the variable speed motor (11), the servo motor (20), the first cylinder (9), the second cylinder (19) and the rotary cylinder (16) are electrically connected with the PLC (22).

2. The high-definition digital screen flexo printing machine according to claim 1, wherein two iron rods are arranged at two ends of a guide rod of the ink-dyeing roller (3), one end of each iron rod supports the same ink scraping plate (7), and the ink scraping plates (7) are close to the ink-dyeing roller (3).

3. A high definition digital screen flexo printing machine according to claim 1, wherein the support frame (8) is "Y" shaped, with two plate rollers (4) moving to the branches of the support frame (8) in correspondence.

4. The high-definition digital screen flexo printing machine according to claim 1, wherein the same transmission device (23) is used between the ink-dyeing roller (3), the printing plate roller (4) and the extrusion roller (5), the transmission device (23) is connected with the variable speed motor (11), a first gear (231) is arranged at the output end of the variable speed motor (11), a second gear (232) is arranged at one end of each of the ink-dyeing roller (3), the printing plate roller (4) and the extrusion roller (5), and the first gear (231) is connected with each second gear (232) through a toothed chain (233).

5. A high definition digital screen printing flexo machine according to claim 1, wherein the rotary cylinder (16) is adjustable in the rotation angle of the turntable (15).

6. The high-definition digital screen printing flexo machine according to claim 1, wherein the PLC controller (22) is provided with a display screen and a plurality of operation buttons.