CN110757963A - POF thermal shrinkage film UV laser positioning image printing machine - Google Patents

Abstract

The invention discloses a POF thermal shrinkage film UV laser positioning image printing machine, which belongs to the field of printing and packaging material production machinery; the method comprises the following steps: the device comprises a rack, an unreeling mechanism, a reeling mechanism, a deviation correcting detector, a deviation correcting driver, an electrostatic dust collector, a corona device, a first automatic constant tension detector, a digital information code spraying system, a second automatic constant tension detector, a first printing and coating system, a third automatic constant tension detector, a second printing and coating system, a fourth automatic constant tension detector, a first electrostatic eliminator, a second electrostatic eliminator, a quality inspection screen and a main motor of the machine; the POF thermal shrinkage film is led out from the unwinding mechanism and guided by 30 guide wheels to sequentially pass through a deviation rectification detector, an electrostatic dust collector, a corona device, a first automatic constant tension detector, a digital information code spraying system, a second automatic constant tension detector, a first printing and coating system, a third automatic constant tension detector, a second printing and coating system, a fourth automatic constant tension detector, a first static eliminator, a second static eliminator and a product inspection screen to reach the winding mechanism.

Description

POF thermal shrinkage film UV laser positioning image printing machine

Technical Field

The invention belongs to the field of manufacturing of printing and packaging materials, and relates to a POF thermal shrinkage film UV laser positioning image printing machine.

Background

In recent years, the printing packaging industry in China is rapidly developed, the requirements of people on the packaging materials of products are continuously improved, and the packaging function has the following aspects: the method realizes commodity value and use value and is a means for increasing the commodity value; protecting the commodity; the circulation links such as loading, unloading, checking, stacking, delivery, receiving, transferring, sale counting and the like are convenient to store, transport, adjust and sell; beautifies the commodity, attracts customers and is beneficial to sales promotion. The packaging industry is used as a matching service industry of national economy, the packaging industry of China is rapidly developed along with the rapid development of the national economy, a market mainly comprising paper, plastic, metal and other packaging materials is formed, and the packaging materials become a modern industrial system which has certain modern technology and equipment and is relatively complete. The UV laser positioning image POF heat-shrinkable film is one of packaging materials, belongs to high-grade packaging materials, and comprises a UV colored film, a UV engraved optical film and a UV engraved surface relief holographic anti-counterfeiting film, wherein UV refers to Ultraviolet Rays which are short for Ultraviolet Rays in English, Ultraviolet Rays (UV) are invisible to naked eyes and are a section of electromagnetic radiation except visible purple light, the wavelength is in the range of 10-400nm, and the principle of the UV film is as follows: a photoinitiator or a photosensitizer is added into a resin with a special formula, and after high-intensity ultraviolet light in Ultraviolet (UV) light curing equipment is absorbed, active free radicals or ionic groups are generated, so that polymerization, crosslinking and grafting reactions are initiated, and the resin, including UV coating, ink, adhesive and the like, is converted from a liquid state into a solid state within seconds, wherein the conversion process is called 'UV curing'. The physical properties of UV radiation are similar to those of visible light, and the UV radiation has linearity, the penetrating power of the UV radiation is far lower than that of visible light, and the shorter the wavelength is, the poorer the penetrating power is, so that the UV curing is mainly applied to the surface of the skin to which light can directly irradiate or the inner layer with better light transmittance for curing. The machine is a device for fixed-point fixed-coating printing of a laser image on the surface of a POF heat shrinkable film, the image formation on the surface of the heat shrinkable film can be realized by a plurality of methods, the machine records the image on positive or negative photoresist to form an initial image, the image is manufactured on a crimpable metal nickel plate through a metallization process, then acrylic resin is coated on the nickel plate, the nickel plate and the heat shrinkable film are tightly contacted and then radiated, and then the heat shrinkable film is impressed and is solid on the surface of the heat shrinkable film, the heat shrinkable film is POF, and finally the heat shrinkable film with the laser image printed on the surface is obtained; the machine is provided with two groups of image printing and four sections of constant tension control (the constant tension control is used for controlling the stretching degree of the thermal shrinkage film in the rotating process, when the stretching degrees of the thermal shrinkage film are different, the constant tension control can automatically adjust the stretching degrees of the thermal shrinkage film to be the same) and adopts relief printing, and each group prints information on the thermal shrinkage film according to the position of the relief printing to obtain the POF thermal shrinkage film with the laser positioning image.

Disclosure of Invention

The invention mainly solves the problem of providing a POF thermal shrinkage film UV laser positioning image molding press which consists of five parts, including an electrostatic dust collector, a corona device, a digital information code spraying system, a first printing and coating system and a second printing and coating system; UV positioning information pattern films can be printed: comprises a UV colorful heat shrinkable film, a UV engraved optical heat shrinkable positioning film and a UV engraved surface relief holographic anti-counterfeiting heat shrinkable positioning film.

The technical scheme adopted by the invention is as follows:

a POF thermal shrinkage film UV laser positioning image printing machine comprises: the device comprises a rack, an unreeling mechanism, a reeling mechanism, a deviation correcting detector, a deviation correcting driver, an electrostatic dust collector, a corona device, a first automatic constant tension detector, a digital information code spraying system, a second automatic constant tension detector, a first printing and coating system, a third automatic constant tension detector, a second printing and coating system, a fourth automatic constant tension detector, a first electrostatic eliminator, a second electrostatic eliminator, a quality inspection screen and a main motor of the machine; the method is characterized in that: the unwinding mechanism, the deviation correcting driver, the electrostatic precipitator, the corona device, the main machine of the machine, the digital information code spraying system, the first printing and coating system, the second printing and coating system and the winding mechanism are sequentially arranged and fixedly connected with the bottom of the frame, the deviation correcting detector, the first automatic constant tension detector, the second automatic constant tension detector, the third automatic constant tension detector, the fourth automatic constant tension detector, the first electrostatic eliminator, the second electrostatic eliminator, the product inspection screen and the front and back frames of the machine are fixedly connected (not shown in the figure), the deviation correcting detector is electrically connected with the deviation correcting driver, the main machine of the machine is mechanically connected with the winding mechanism, the first printing and coating system and the second printing and coating system, the POF thermal shrinkage film is led out from the unwinding mechanism and sequentially passes through the deviation correcting detector, the electrostatic precipitator, the corona device and the first automatic constant tension detector, the automatic printing and coating system comprises a digital information code spraying system, a second automatic constant tension detector, a first printing and coating system, a third automatic constant tension detector, a second printing and coating system, a fourth automatic constant tension detector, a first static eliminator, a second static eliminator, a product inspection screen and a winding mechanism.

The heat shrinkable film is made of POF materials.

The deviation rectifying detector is used for controlling a track for the POF heat shrinkable film to move.

The first automatic constant tension detector, the second automatic constant tension detector, the fourth automatic constant tension detector and the fourth automatic constant tension detector are respectively used for detecting unwinding tension and winding tension, so that the coil stock cannot wrinkle or be elongated and deformed in the running and processing process.

The internal structure of the first printing and coating system comprises the following components (sequentially from bottom to top): a material tray 1101, an anilox roller 1102, a scraper 1103, a transfer roller 1104, an image embossing roller 1105, a shading plate 1106 and an LED light source 1107; the internal structure of the second printing and coating system is identical to that of the first printing and coating system.

The product inspection screen is used for inspecting the product quality of the POF heat shrinkable film after the pattern is printed,

the linear speed of the movement of the heat shrinkable film is 0.7 m/min; the intensity of the radiant radiation from the LED source was 200 millijoules per square centimeter.

The printing coating is liquid acrylate resin.

The invention has the beneficial effects that: the utility model provides a POF thermal shrinkage film UV laser image printing machine, the advantage of this machine is: the production process is simple and quick, the operation is simple and convenient, the energy consumption is low, and the machine has the following advantages:

the product has the following advantages:

1. the occupied area is small, and the production from the base material coil stock to the finished film can be realized on a single machine;

2. the product has flash and luminous appearance, and can produce products with concave-convex stereoscopic impression;

3. the laser pattern has the effects of complete laser pattern information, small shrinkage deformation, digital information, two-dimensional codes and preset positioning of printed patterns;

4. the product can be contracted by heating after being packaged, so that no air exists between the packaged material and the product;

5. various colors and patterns can be made.

6. Has strong application value and decorative and anti-counterfeiting functions.

Description of the drawings:

fig. 1 is a block diagram of the present invention.

In the figure, a frame 1, an unreeling mechanism 2, a reeling mechanism 3, a deviation correcting detector 4, a deviation correcting driver 5, an electrostatic dust collector 6, a corona device 7, a first automatic constant tension detector 8, a digital information code spraying system 9, a second automatic constant tension detector 10, a first printing and coating system 11, a third automatic constant tension detector 12, a second printing and coating system 13, a fourth automatic constant tension detector 14, a first electrostatic eliminator 15, a second electrostatic eliminator 16, a quality inspection screen 17 and a machine main motor 18 are arranged; the first print coating system 11 includes a tray 1101, an anilox roller 1102, a doctor blade 1103, a transfer roller 1104, an image embossing roller 1105, a shading plate 1106, and an LED light source 1107.

Detailed Description

Example (b):

the following further describes the specific contents of the best embodiment of the POF heat shrinkable film for producing the UV laser positioning image by using the machine with the attached drawings: a POF thermal shrinkage film UV laser positioning image printing machine comprises: the device comprises a rack 1, an unreeling mechanism 2, a reeling mechanism 3, a deviation correcting detector 4, a deviation correcting driver 5, an electrostatic dust collector 6, a corona device 7, a first automatic constant tension detector 8, a digital information code spraying system 9, a second automatic constant tension detector 10, a first printing and coating system 11, a third automatic constant tension detector 12, a second printing and coating system 13, a fourth automatic constant tension detector 14, a first electrostatic eliminator 15, a second electrostatic eliminator 16, a quality inspection screen 17 and a machine main motor 18; the method is characterized in that: the device comprises an unwinding mechanism 2, a deviation correcting driver 5, an electrostatic dust collector 6, a corona device 7, a machine main motor 18, a digital information code spraying system 9, a first printing and coating system 11, a second printing and coating system 13 and a winding mechanism 3 which are sequentially arranged and fixedly connected with the bottom of a machine frame 1, a deviation correcting detector 4, a first automatic constant tension detector 8, a second automatic constant tension detector 10, a third automatic constant tension detector 12, a fourth automatic constant tension detector 14, a first static eliminator 15, a second static eliminator 16, a quality inspection screen 17, a front frame and a rear frame of the machine (not shown in the figure), the deviation correcting detector 4, the deviation correcting driver 5, the machine main motor 18, the winding mechanism 3, the first printing and coating system 11 and the second printing and coating system 13, a POF thermal shrinkage film is led out from the unwinding mechanism 2 and guided by 30 guide wheels, the product sequentially passes through a deviation-rectifying detector 4, an electrostatic dust collector 6, a corona device 7, a first automatic constant tension detector 8, a digital information code-spraying system 9, a second automatic constant tension detector 10, a first printing and coating system 11, a third automatic constant tension detector 12, a second printing and coating system 13, a fourth automatic constant tension detector 14, a first electrostatic eliminator 15, a second electrostatic eliminator 16 and a quality control screen 17 to reach the winding mechanism 3. The heat shrinkable film is made of POF material; the deviation rectifying detector 4 is used for controlling a track for the POF heat shrinkable film to move; the first automatic constant tension detector 8, the second automatic constant tension detector 10, the fourth automatic constant tension detector 12 and the fourth automatic constant tension detector 14 are respectively used for detecting unwinding tension and winding tension, so that the coiled material cannot wrinkle or be elongated and deformed in the running and processing process; the internal structure of the first printing and coating system 11 comprises (from bottom to top in sequence): a charging tray 101, an anilox roller 1102, a scraper 1103, a transfer plate roller 1104, an image embossing plate roller 1105, a shading plate 1106 and an LED light source 1107; the internal structure of the second printing and coating system 13 and the first printing and coating system 11 is completely the same; the product inspection screen 17 is used for inspecting the product quality of the POF heat shrinkable film after the pattern is printed; the linear speed of the movement of the heat shrinkable film is 0.7 m/min; the ray radiation intensity of the LED light source is 200 mJ/square centimeter; the printing coating is liquid acrylate resin.

The method comprises the steps of sleeving and fixing a coiled POF heat shrinkable film roll on an unwinding mechanism 2, leading the POF heat shrinkable film out of the unwinding mechanism 2, leading the POF heat shrinkable film to pass through 30 guide wheels for guiding, sequentially passing through a deviation-correcting detector 4, an electrostatic dust collector 6, a corona 7, a first automatic constant tension detector 8, a digital information code-spraying system 9, a second automatic constant tension detector 10, a first printing and coating system 11, a third automatic constant tension detector 12, a second printing and coating system 13, a fourth automatic constant tension detector 14, a first electrostatic eliminator 15, a second electrostatic eliminator 16 and a quality inspection screen 17 to reach a winding mechanism 3, starting a machine main motor 18 to drive the winding mechanism 3 and the first printing and coating system 11 and the second printing and coating system 13 to rotate and pull the POF heat shrinkable film to stably run, leading the POF heat shrinkable film to pass through the 30 guide wheels of a complete machine, the deviation rectification of the deviation rectification detector 4 enters an electrostatic dust collector 6 for dust collection; the POF heat shrinkable film enters a corona 7 for corona after dust removal, and the purpose of corona treatment is to enable the POF heat shrinkable film to have stronger adhesiveness; after the corona treatment is finished, the POF heat shrinkable film is detected by a first automatic constant tension detector 8 and then enters a digital code spraying system 9 to obtain digital information and a positioning mark, the POF heat shrinkable film is detected by a second automatic constant tension detector 10 and then enters a first printing and coating system 11, the first printing and coating system 11 tightly presses the POF heat shrinkable film on an image mould pressing roller through a guide wheel according to the positioning mark to print a first group of patterns, and the working principle of the first printing and coating system is as follows: the printing and coating system comprises a material tray 1101, an anilox roller 1102, a scraper 1103, a transfer printing roller 1104, an image molding printing roller 1105, a shading plate 1106 and an LED light source 1107, wherein the material tray 1101 is filled with UV information printing coating, the anilox roller 1102 adheres the coating to the anilox roller 1102 through rotation, in order to prevent the uneven thickness of the coating, the scraper 1103 scrapes the coating adhered to the anilox roller 1102 to the consistent thickness, the anilox roller 1102 transfers the coating to the transfer printing roller 1104 through rotation, the transfer printing roller 1104 transfers the coating to the image molding printing roller 1105 through rotation, and the transfer printing roller 1104 is made of high polymer resin and serves as a transfer roller to avoid the phenomenon that the coating is transferred unevenly due to the fact that the anilox roller and the image molding printing roller which are both; at the moment, the POF heat shrinkable film is tightly pressed on an image molding roller 1105 by a guide wheel, convex patterns are engraved on the image molding roller 1105, the convex patterns are printed with information coating, the POF heat shrinkable film and the image molding roller 1105 simultaneously rotate in reverse directions, the information coating is printed on the POF heat shrinkable film, ultraviolet rays generated by an LED light source 1107 irradiate the POF heat shrinkable film, a shading plate 1106 prevents the ultraviolet rays from irradiating other places, the radiation irradiation intensity of a radiation system is 200 mJ/square centimeter, so that the information coating is rapidly converted from a liquid state to a solid state, and UV pattern laser positioning is fixed on the POF heat shrinkable film, thus obtaining a POF heat shrinkable film laser UV positioning image product; the POF heat shrinkable film after the first printing is detected by a third automatic constant tension detector 12 and then enters a second printing and coating system 13, a second laser positioning pattern is printed by the same process in the first printing and coating system 11 and then continuously runs, the POF heat shrinkable film after the POF heat shrinkable film is detected by a fourth automatic constant tension detector 14 and then enters a first electrostatic eliminator 15 and a second electrostatic eliminator 16 for treatment through a guide wheel, the POF heat shrinkable film passes through a product inspection screen 17 for inspection under the guide of the guide wheel, if the POF heat shrinkable film is unqualified, the POF heat shrinkable film is immediately stopped and debugged, and if the POF heat shrinkable film is qualified, the POF heat shrinkable film continuously rotates to.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. A POF thermal shrinkage film UV laser positioning image printing machine comprises: the method comprises the following steps: the device comprises a rack (1), an unreeling mechanism (2), a reeling mechanism (3), a deviation correcting detector (4), a deviation correcting driver (5), an electrostatic dust collector (6), a corona device (7), a first automatic constant tension detector (8), a digital information code spraying system (9), a second automatic constant tension detector (10), a first printing and coating system (11), a third automatic constant tension detector (12), a second printing and coating system (13), a fourth automatic constant tension detector (14), a first static eliminator (15), a second static eliminator (16), a quality inspection screen (17) and a machine main motor (18); the method is characterized in that: the device comprises an unwinding mechanism (2), a deviation correcting driver (5), an electrostatic dust collector (6), a corona device (7), a main machine motor (18), a digital information code spraying system (9), a first printing and coating system (11), a second printing and coating system (13), a winding mechanism (3) which is sequentially arranged and fixedly connected with the bottom of a machine frame (1), a deviation correcting detector (4), a first automatic constant tension detector (8), a second automatic constant tension detector (10), a third automatic constant tension detector (12), a fourth automatic constant tension detector (14), a first static eliminator (15), a second static eliminator (16), a quality inspection screen (17) which is fixedly connected with a front frame and a rear frame of the machine (not shown in the figure), the deviation correcting detector (4) which is electrically connected with the deviation correcting driver (5), the main machine motor (18) and the winding mechanism (3), First printing coating system (11), second printing coating system (13) mechanical connection, POF pyrocondensation membrane is drawn forth the guide through (30) leading wheel from unwinding mechanism (2), pass deviation rectification detector (4) in proper order, electrostatic precipitator (6), corotron (7), first automatic constant tension detector (8), digital information spouts a yard system (9), automatic constant tension detector of second (10), first printing coating system (11), automatic constant tension detector of third (12), second printing coating system (13), automatic constant tension detector of fourth (14), first electrostatic eliminator (15), second electrostatic eliminator (16), quality control screen (17), reach winding mechanism (3).

2. The POF heat-shrinkable film UV laser positioning image printing machine as claimed in claim 1, wherein: the heat shrinkable film is made of POF materials.

3. The POF heat-shrinkable film UV laser positioning image printing machine as claimed in claim 1, wherein: the deviation rectifying detector 4 is used for controlling the movement track of the POF heat shrinkable film.

4. The POF heat-shrinkable film UV laser positioning image printing machine as claimed in claim 1, wherein: the first automatic constant tension detector (8), the second automatic constant tension detector (10), the fourth automatic constant tension detector (12) and the fourth automatic constant tension detector (14) are respectively used for detecting unwinding tension and winding tension, so that the coiled material cannot wrinkle or be elongated and deformed in the running and processing process.

5. The POF heat-shrinkable film UV laser positioning image printing machine as claimed in claim 1, wherein: the internal structure of the first printing and coating system (11) comprises the following components (sequentially from bottom to top): the device comprises a material tray (1101), an anilox roller (1102), a scraper (1103), a transfer roller (1104), an image molding roller (1105), a shading plate (1106) and an LED light source (1107); the internal structure of the second printing and coating system (13) and the first printing and coating system (11) is completely the same.

6. The POF heat-shrinkable film UV laser positioning image printing machine as claimed in claim 1, wherein: the product inspection screen (17) is used for inspecting the product quality of the POF heat shrinkable film after the patterns are printed.

7. The POF heat-shrinkable film UV laser positioning image printing machine as claimed in claim 1, wherein: the linear speed of the movement of the heat shrinkable film is 0.7 m/min; the intensity of the radiant radiation from the LED source was 200 millijoules per square centimeter.

8. The POF heat-shrinkable film UV laser positioning image printing machine as claimed in claim 1, wherein: the printing coating is liquid acrylate resin.

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