CN211363894U - Transfer machine and printing system - Google Patents
Transfer machine and printing system Download PDFInfo
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- CN211363894U CN211363894U CN201921298892.2U CN201921298892U CN211363894U CN 211363894 U CN211363894 U CN 211363894U CN 201921298892 U CN201921298892 U CN 201921298892U CN 211363894 U CN211363894 U CN 211363894U
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Abstract
The utility model belongs to the technical field of lithography apparatus, concretely relates to transfer machine and printing system. The transfer printing machine comprises a guide roller, a material sending roller, a stamping roller, a stripping roller, a material receiving roller and a curing unit, wherein the transfer printing film is transmitted back to the material receiving roller through the material sending roller, the stamping roller and the stripping roller in sequence; transferring the base material coated with the gloss oil to a guide roller, and pressing the embossing roller to the guide roller so as to emboss the Fresnel lens texture surface of the transfer printing film on the gloss oil of the base material; the embossing roller and the guide roller synchronously rotate to synchronously transfer the transfer printing film and the metal base material to the curing unit for curing; after curing, the transfer film is peeled off by a peeling roller to obtain a printed matter. The utility model discloses a transfer machine uses chenille lens, rendition technique, solidification technique together for rendition simple process forms multiple anti-fake effect on the surface of printing substrate, has promoted the printing quality simultaneously by a wide margin, and shows that the effect kind is more.
Description
Technical Field
The utility model belongs to the technical field of lithography apparatus, concretely relates to transfer machine and printing system.
Background
In the packaging products, besides paper packaging and plastic packaging, metal packaging has increasingly wide application fields in people's life due to lasting shape retention, bright color and unique shape. The metal printing is a special printing mode which takes a metal printing substrate as a printing stock, the metal printing substrate has good mechanical property and processing and forming property, so that the metal packaging container has flexibility and variability and can be made into various shapes to meet the packaging requirements of different products, in addition, the metal printing has the advantages of bright color, rich layers, good visual effect and the like, the metal packaging container can realize the unique shape and the exquisite printing effect of the product through exquisite shape design, not only the durability and the retentivity of the product are improved, but also the requirements of people on the aspect of packaging container printed matter art are met, and the metal printing substrate is widely applied to the fields of food packaging, medicine packaging, daily necessities packaging, instrument and meter packaging, industrial product packaging and the like.
With the development of science and technology and the progress of society, the demand of customers on personalized packaging products is more and more extensive, and especially, the existing processes such as matte gloss oil and explosion effect have aesthetic fatigue, so that the development of product packages with special appearance effects or attractive eyes is particularly needed. For example, patent publication No. CN104952360B discloses a method for preparing an anti-counterfeit self-adhesive label with positioning holographic effect, which adopts unique process steps, including preparing a film made of polyethylene terephthalate material, coating water-based covering paint on both sides of the film by a gravure press; coating UV gloss oil on one surface of the obtained film by using a gravure press, cold pressing the surface of the film coated with the UV gloss oil by using a nickel plate engraved with the texture of the Fresnel lens groove when the UV gloss oil is in a semi-cured state, and then performing UV curing to leave mirror patterns of the Fresnel lens on the UV gloss oil on the surface of the film; electroplating an aluminum layer on the surface of the obtained film with the UV gloss oil through a vacuum aluminum plating process to be used as a light reflecting layer, and then washing aluminum, namely washing the aluminum layer by water or alkali at a place where the lower reflecting layer is not needed; and coating a water-based setting coating on the surface of the aluminized layer of the obtained film to obtain the anti-counterfeiting adhesive label with the positioning holographic effect. The process step needs to be compounded with the base material in an aluminum plating mode, and the process is relatively complex; moreover, if the texture effect needs to be changed, the nickel plate needs to be replaced, but the replacement cost of the nickel plate is high.
Therefore, there is a need in the art to develop a new transfer machine to optimize the process flow of metal printing.
SUMMERY OF THE UTILITY MODEL
Based on exist not enough among the prior art, the utility model provides a transfer machine and printing system.
In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:
a transfer printing machine comprises a guide roller, a material sending roller, a stamping roller, a stripping roller, a material receiving roller and a curing unit, wherein a transfer printing film is transmitted back to the material receiving roller through the material sending roller, the stamping roller and the stripping roller in sequence; transferring the base material coated with the gloss oil to a guide roller, and pressing the embossing roller to the guide roller so as to emboss the Fresnel lens texture surface of the transfer printing film on the gloss oil of the base material; the embossing roller and the guide roller synchronously rotate to synchronously transfer the transfer printing film and the metal base material to the curing unit for curing; after curing, the transfer film is peeled off by a peeling roller to obtain a printed matter. The utility model discloses the printed matter that makes has the chenille lens texture, can make the printed matter have various visual effects such as water cube, cat eye, bird's nest, ripple, explosion, radium-shine, butterfly, landscape, flower bird, personage.
Preferably, one or more tensioning rollers are arranged between the material sending roller and the pressing roller; and/or one or more tensioning rollers are arranged between the stripping roller and the material receiving roller. Improve the tensile force of rendition membrane, guarantee the impression effect.
Preferably, the curing units are arranged in sequence along the conveying direction of the base material. And the gloss oil on the substrate is completely cured.
Preferably, the curing unit adopts a UV-LED lamp or a UV mercury lamp, and the wavelength of the emitted ultraviolet light is 200-400 nm. If the speed of the vehicle needs to be controlled by adopting the UV mercury lamp, the heat of the mercury lamp is prevented from melting the transfer printing film during curing, the transfer printing film is prevented from being bonded with the metal base material, and the production efficiency is reduced. This problem does not exist in the case of UV-LED lamps. And in the curing process, the UV mercury lamp or the UV-LED lamp is cooled, so that the service life of the curing lamp is prolonged.
Preferably, the fresnel lens texture surface of the transfer film is formed by laser engraving. The molding is convenient and low in cost.
Preferably, the transfer film is colorless and transparent.
Preferably, the transfer film is one of a polyester film, a PP film, a PE film and a PU film.
Preferably, the transfer printing machine further comprises a tension sensor for detecting the tension of the transfer printing film.
Preferably, the substrate is a metal substrate or a paper substrate or a plastic substrate. The adaptability is wide.
The utility model also provides a printing system, including the coating machine, the coating machine is used for substrate coating gloss oil, still includes as above arbitrary scheme the transfer machine.
Preferably, the coating weight of the UV gloss oil is 2-20 g/m2. The coating amount is not required to be too much, the UV gloss oil is easy to overflow when the metal base material and the transfer printing film are compounded when the coating amount is too much, the UV gloss oil is not required to be too little, and the special visual effect of the metal printed matter is not obvious when the coating amount is too little.
Compared with the prior art, the utility model, beneficial effect is:
the utility model discloses a transfer machine uses chenille lens, rendition technique, solidification technique together for rendition simple process forms multiple anti-fake effect on the surface of printing substrate, has promoted the printing quality simultaneously by a wide margin, and shows that the effect kind is more.
The utility model discloses a printing system, the framework is simple, and the cost is low.
Drawings
Fig. 1 is a schematic structural view of a transfer printing machine according to a first embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is a frame diagram of a printing system according to a first embodiment of the present invention;
fig. 5 is a flowchart of a printing process of a printing system according to a first embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention, the following description will explain embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort. In addition, directional terms referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Accordingly, the directional terminology is used for purposes of illustration and is in no way limiting.
The first embodiment is as follows:
as shown in fig. 1 to 3, the transfer printing machine of the present embodiment includes a frame, and a guide roller 10, a first transfer roller 11, a second transfer roller 12, and a plurality of support rollers for guiding and transferring the metal base material 1 are installed on the frame, so that the metal base material 1 is transferred in a horizontal direction and to the left side, wherein the first transfer roller 11 and the second transfer roller 12 are driven by a driving belt 13, and the driving belt 13 is connected to a rotating shaft of a motor. The transfer printing machine is also provided with a material sending roller 3, an embossing roller 5, a stripping roller 6 and a material receiving roller 8 which are used for transferring the transfer printing film 2, and the transfer printing film 2 is transmitted back to the material receiving roller 8 through the material sending roller 3, the embossing roller 5 and the stripping roller 6 in sequence; the material sending roller 3 is positioned at the upper right of the transfer printing machine, the transfer printing film 2 wound on the material sending roller 3 downwards passes through the plurality of tensioning rollers 4 in sequence and then is transmitted to the lower side of the embossing roller 5, and the embossing roller 5 can move up and down and can also rotate; the transfer printing film 2 is transferred to the peeling roller 6 after passing through the embossing roller 5, and then is transferred back to the material receiving roller 8 positioned on the upper left of the transfer printing machine after passing through the plurality of tensioning rollers 7, so that the transfer printing film 2 is recovered. Wherein, the setting of tensioning roller is favorable to improving the tensile force of rendition membrane 2. The guide roller 10 is positioned right below the stamping roller 5, and the guide roller 10 is used as a pressure bearing roller which is pressed with the stamping roller 5 to realize the stamping function. When an embossing process is required, the embossing roller 5 is pressed down to the guide roller 10 so that the transfer printing film 2 is pressed on the UV gloss oil of the metal base material 1, at the moment, the bottom of the embossing roller 5 is flush with the bottom of the peeling roller 6, so that the transfer printing film 2 between the embossing roller 5 and the peeling roller 6 and the metal base material 1 are in the same horizontal plane, and the transfer printing film 2 between the embossing roller 5 and the peeling roller 6 is always attached to the metal base material 1; the rotation direction of the platen roller 5 is opposite to the rotation direction of the guide roller 10, that is, the platen roller 5 rotates clockwise, the guide roller 10 rotates counterclockwise, and the platen roller 5 and the guide roller 10 rotate in synchronization with each other so that the transfer film 2 and the metal base material 1 are transferred to the left side in the horizontal direction in synchronization with each other. When the embossing process is not performed, the embossing roller 5 is moved upward so that the embossing roller 5 is separated from the guide roller 10, and the embossing roller 5 and the guide roller 10 are prevented from being pressed against each other in a stopped state.
The transfer machine is also provided with three UV curing units 9 which are sequentially arranged along the transmission direction of the metal base material 1 and are arranged between the embossing roller 5 and the stripping roller 6 so as to cure the UV gloss oil on the metal base material 1. The UV curing unit adopts a UV-LED lamp or a UV mercury lamp, and the wavelength of the emitted ultraviolet light is 200-400 nm; if the speed of the UV mercury lamp is required to be controlled, the heat of the mercury lamp is prevented from melting the transfer film 2 during curing, the transfer film is bonded with the metal base material 1, and the production efficiency is reduced; this problem does not exist if the lamp is a UV-LED lamp; and in the curing process, the UV mercury lamp or the UV-LED lamp is cooled, so that the service life of the curing lamp is prolonged. In addition, imprinting and UV curing are carried out synchronously; when the transfer printing film 2 is contacted with the metal base material 1 coated with the UV gloss oil, ultraviolet light is synchronously irradiated for UV curing, the transfer printing film 2 is separated from the metal printed matter after the curing is finished, the method can realize the repeated use of the film, and if the curing effect is found to be poor after the curing, an ultraviolet lamp is additionally arranged behind a production line to fully cure the film. Wherein, three UV solidification unit can carry out the free selector switch according to actual curing effect, for example, can open two UV solidification unit wherein, under the prerequisite of guaranteeing curing effect, energy-conservation.
Specifically, the specific printing process of the transfer machine of the present embodiment is as follows: the metal base material 1 coated with the UV gloss oil is transferred to a guide roller 10, and an imprinting roller 5 is pressed on the guide roller 10 so that the Fresnel lens texture surface of the transfer printing film 2 is imprinted on the UV gloss oil of the metal base material 1; the embossing roller 5 and the guide roller 10 synchronously rotate to synchronously transfer the transfer film 2 and the metal base material 1 to the UV curing unit for UV curing; after UV curing, the transfer film 2 is peeled off by a peeling roller 6 to obtain a metal printed product.
The metal substrate of this embodiment may also be replaced with a printing substrate such as a paper substrate or a plastic substrate.
The transfer machine of this embodiment uses together fei nieer lens, rendition technique, solidification technique for the rendition simple process forms multiple anti-fake effect on the surface of printing substrate, has promoted the printing quality simultaneously by a wide margin, and shows that the effect kind is more.
The present embodiment further provides a printing system, as shown in fig. 4, the printing system of the present embodiment includes a coater and the transfer printing machine of the present embodiment, a coating roller is installed in the coater, and after entering the coater, the metal substrate 1 is coated with UV varnish on the surface of the metal substrate 1 by the coating roller; wherein, the coating machine can control the coating amount of the UV gloss oil, and the coating amount of the UV gloss oil is 2-20 g/m 2. Then, the metal base material 1 coated with the UV varnish is transferred to a transfer machine.
As shown in fig. 5, the printing process of the metal system of the present embodiment includes the following steps:
coating UV gloss oil on the metal substrate; specifically, the metal substrate is used as a printing semi-finished product, UV gloss oil roller coating is carried out on the printing semi-finished product, and the roller coating operation can be realized by a coating machine; wherein the coating weight of the UV gloss oil is 2-20 g/m2The coating amount is not too much, the UV gloss oil is easy to overflow when the metal base material and the transfer printing film are compounded when the coating amount is too much, the UV gloss oil is not too little, and the special visual effect of the metal printed matter is not obvious when the coating amount is too little.
Impressing the Fresnel lens texture surface of the transfer printing film on the UV gloss oil of the metal base material, and carrying out UV curing; specifically, after the UV gloss oil is coated on the metal base material, the transfer printing film is pressed on the metal base material, so that the Fresnel lens texture surface of the transfer printing film is impressed on the UV gloss oil of the metal base material; the Fresnel lens texture surface of the transfer film can be formed through laser engraving, and compared with a nickel plate, the transfer film is convenient to manufacture and low in cost. Moreover, the transfer printing film is a colorless and transparent polyester film, so that ultraviolet light can penetrate through the transfer printing film to cure the UV gloss oil, and the curing efficiency is high; in addition, the transfer printing film can be made of a PP film, a PE film or a PU film, and has strong selectivity. And UV-LED lamps or UV mercury lamps are adopted for UV curing, and the wavelength of the emitted ultraviolet light is 200-400 nm. If the speed of the vehicle needs to be controlled by adopting the UV mercury lamp, the heat of the mercury lamp is prevented from melting the transfer printing film during curing, the transfer printing film is prevented from being bonded with the metal base material, and the production efficiency is reduced. This problem does not exist in the case of UV-LED lamps. And in the curing process, the UV mercury lamp or the UV-LED lamp is cooled, so that the service life of the curing lamp is prolonged. In addition, imprinting and UV curing are carried out synchronously; when the transfer film is contacted with the metal base material coated with the UV gloss oil, ultraviolet light is synchronously irradiated for UV curing, the transfer film is separated from the metal printed matter after curing, the method can realize the repeated use of the film, and if the curing effect is not good after curing, an ultraviolet lamp is additionally arranged behind a production line for full curing. Furthermore, the UV curing can be designed as a three-pass UV curing process, i.e. three sets of UV-LED lamps or UV mercury lamps are provided.
And after UV curing, stripping the transfer printing film to obtain a metal printing finished product. Specifically, after the transfer film is peeled off, a UV varnish layer having a fresnel lens texture is formed on the surface of the metal substrate.
The metal printed matter prepared by the embodiment has Fresnel lens textures, and can have various visual effects such as water cube, cat eye, bird nest, ripple, explosion, laser, butterfly, landscape, flower bird, character and the like. The metal printing process of the embodiment is suitable for the base materials of metal containers for storing and transporting food or beverage and covers of the metal containers, so that various anti-counterfeiting effects can be formed on the surfaces of the metal containers. Moreover, the printing system of the present embodiment also has the following advantages:
(1) the Fresnel lens, the light transfer printing technology and the UV technology are applied together, the process is simple, various anti-counterfeiting effects are formed on the surface of the traditional printing, meanwhile, the printing quality is greatly improved, and the variety of the expression effects is more;
(2) compared with the gloss oil high-temperature baking of the traditional metal printing, the UV metal printing curing technology does not need baking room baking, reduces the length of a production line and saves energy consumption cost in the production process;
(3) for laser anti-counterfeiting, different embossing rollers are required to be engraved for different anti-counterfeiting effects, the production cost is huge, different laser effects can be realized only by corresponding films in the embodiment, the films can be repeatedly used, and the production cost is lower.
Example two:
the transfer machine of the present embodiment is different from the first embodiment in that: the structure of the coating machine is fused into the transfer printing machine, and integration is achieved.
Specifically, a structure of the coating machine is further installed inside the transfer machine, and the specific position design is designed according to the connection between the processes.
Other structures can refer to the first embodiment.
Accordingly, the printing system of the present embodiment, including the transfer printing machine of the present embodiment, can be referred to as embodiment one in other configurations.
Example three:
the transfer machine of the present embodiment is different from the first embodiment in that:
the UV curing units may also be one, two, four, five, etc. The specific number can be set according to the curing effect, and the degree of freedom is high.
Other structures can refer to the first embodiment.
Accordingly, the printing system of the present embodiment, including the transfer printing machine of the present embodiment, can be referred to as embodiment one in other configurations.
Example four:
the transfer machine of the present embodiment is different from the first embodiment in that:
a tensioning roller, three tensioning rollers, five tensioning rollers and the like can be arranged between the material sending roller and the embossing roller; and/or a tensioning roller, two tensioning rollers, four tensioning rollers and the like are arranged between the stripping roller and the material receiving roller. Improve the tensile force of rendition membrane, guarantee the impression effect.
Other structures can refer to the first embodiment.
Accordingly, the printing system of the present embodiment, including the transfer printing machine of the present embodiment, can be referred to as embodiment one in other configurations.
Example five:
the transfer machine of the present embodiment is different from the first embodiment in that:
the tension sensor is arranged corresponding to the transfer printing film and used for detecting the tension of the transfer printing film, so that the tension of the transfer printing film can be conveniently adjusted, and the quality of metal printing is improved.
Other structures can refer to the first embodiment.
Accordingly, the printing system of the present embodiment, including the transfer printing machine of the present embodiment, can be referred to as embodiment one in other configurations.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing has been a detailed description of the preferred embodiments and principles of the present invention, and it will be apparent to those skilled in the art that variations may be made in the specific embodiments based on the concepts of the present invention, and such variations are considered as within the scope of the present invention.
Claims (10)
1. A transfer machine is characterized by comprising a guide roller, a material sending roller, an embossing roller, a stripping roller, a material receiving roller and a curing unit, wherein a transfer film is transmitted back to the material receiving roller through the material sending roller, the embossing roller and the stripping roller in sequence; transferring the base material coated with the gloss oil to a guide roller, and pressing the embossing roller to the guide roller so as to emboss the Fresnel lens texture surface of the transfer printing film on the gloss oil of the base material; the embossing roller and the guide roller synchronously rotate to synchronously transfer the transfer printing film and the metal base material to the curing unit for curing; after curing, the transfer film is peeled off by a peeling roller to obtain a printed matter.
2. A transfer machine according to claim 1, characterized in that one or more tension rollers are provided between said distribution roller and the impression roller; and/or one or more tensioning rollers are arranged between the stripping roller and the material receiving roller.
3. A transfer machine according to claim 1, wherein said curing unit is plural and arranged in sequence along a direction of conveyance of the substrate.
4. The transfer printing machine according to claim 1, wherein said curing unit uses a UV-LED lamp or a UV mercury lamp, and the wavelength of the ultraviolet light emitted is 200 to 400 nm.
5. A transfer machine according to claim 1, characterised in that the fresnel lens texture surface of the transfer film is formed by laser engraving.
6. A transfer machine according to claim 1, characterized in that said transfer film is colorless and transparent.
7. A transfer machine according to any one of claims 1-6, characterized in that the transfer film is one of a polyester film, a PP film, a PE film, a PU film.
8. The transfer machine according to any one of claims 1 to 6, further comprising a tension sensor for detecting the tension of the transfer sheet.
9. A transfer machine according to any one of claims 1-6, characterised in that the substrate is a metal substrate or a paper substrate or a plastic substrate.
10. A printing system comprising a coater for applying gloss oil to a substrate, characterized by further comprising a transfer machine according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921298892.2U CN211363894U (en) | 2019-08-12 | 2019-08-12 | Transfer machine and printing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921298892.2U CN211363894U (en) | 2019-08-12 | 2019-08-12 | Transfer machine and printing system |
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| CN211363894U true CN211363894U (en) | 2020-08-28 |
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| CN201921298892.2U Active CN211363894U (en) | 2019-08-12 | 2019-08-12 | Transfer machine and printing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481184A (en) * | 2019-08-12 | 2019-11-22 | 杭州中粮包装有限公司 | A kind of operplate printing technique and print system |
| CN113276542A (en) * | 2021-06-23 | 2021-08-20 | 深圳华美金属材料科技有限公司 | Production equipment and production method of environment-friendly printing color-coated sheet |
-
2019
- 2019-08-12 CN CN201921298892.2U patent/CN211363894U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481184A (en) * | 2019-08-12 | 2019-11-22 | 杭州中粮包装有限公司 | A kind of operplate printing technique and print system |
| CN113276542A (en) * | 2021-06-23 | 2021-08-20 | 深圳华美金属材料科技有限公司 | Production equipment and production method of environment-friendly printing color-coated sheet |
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