CN1508018A

CN1508018A - Anticounterfeit coating method and coating apparatus thereof

Info

Publication number: CN1508018A
Application number: CNA021564639A
Authority: CN
Inventors: 苏彦明
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-12-18
Filing date: 2002-12-18
Publication date: 2004-06-30
Anticipated expiration: 2022-12-18
Also published as: CN1212236C

Abstract

The present invention relates to an anti-false composite film method, said method includes the following steps: firstly, applying a laye of glue whose thickness is uniform on a plastic film, contacting pre-made anti-false printed mark with plastic film coated with glue and sticking said anti-false printed mark on the flastic film coated with glue, heating in drying channel to make the glue on the plastic film on which the anti-false printed mark is stuck be formed into semi-dried state, hot-pressing to make the paper and the plastic film be combined into one body so as to obtain the invented transparent composite film with anti-false function. Said invented equipment includes glue-applying roller, heating drying channel, hot-pressing roller, paper-conveying portion, pressure roller and support roller.

Description

False proof film coating method and multiple film device thereof

Affiliated technical field

The present invention relates to a kind of multiple film device that is used for the false proof film coating method of press and implements this method.

Background technology

Publishing house or production producer all wish not only surface aesthetic of the books that oneself is published or the packing of product that prints out and exploitation; and water-fast or folding wrinkle; so general all at surface recombination one deck plastic protective film for plastics of its printed matter, the technology of compound this plastic protective film for plastics is called compound film technology.Existing multiple film device (as shown in Figure 1) comprises glue spreader, the drying tunnel of heating, hot pressing roller, paper sheet delivery part, pressure roll and in the process that plastic sheeting moves ahead a plurality of passive backing rolls are arranged, its multiple membrane process method mainly is that plastic foil is coated with the certain thickness glue of last layer by glue spreader, heating by drying tunnel afterwards makes the glue on the plastic foil present leather hard, and the paper and the plastic sheeting hot pressing that will be printed on literal or pattern through hot pressing roller and pressure roll is combined into one again.Though this multiple membrane process can satisfy people to the attractive in appearance, water-fast of printing packaging surface or the not requirement of wrinkle, but do not reach the false proof requirement of people to printed matters such as the book cover or the packings of product, anyone can be compound goes out the same book cover or the packing of product, and can't discern.Therefore, in order to reach false proof purpose, generally adopt anti-fake label at present, though this anti-counterfeiting technology can play false proof effect for the moment, but as the pirate power of books or fake products packing or still personation easily of decoration person, can't distinguish certified products and counterfeit, antifalse effect is general.

Summary of the invention

Technology of the present invention is dealt with problems and is: overcome the deficiencies in the prior art, provide that a kind of to have an antifalse effect good, and can be easy to distinguish the false proof film coating method and the imitative pseudo-multiple film device thereof of legal printed matter and personation printed matter.

The technical solution adopted in the present invention is: false proof film coating method comprises the following steps:

(1) plastic sheeting is coated with the uniform glue of last layer thickness;

(2) anti-fake print that will produce in advance contacts with the plastic sheeting that scribbles glue;

(3) make the above-mentioned glue that is stained with on the false proof impression plastic sheeting be leather hard again by heating;

(4) through hot pressing paper and the above-mentioned plastic sheeting that has false proof impression are combined into one at last.

For implementing the false proof multiple film device that said method designs, comprise glue spreader, the drying tunnel of heating, hot pressing roller, paper sheet delivery part, pressure roll and in the process that plastic sheeting moves ahead, a plurality of passive backing rolls are arranged, its characteristics are: be added with the drive roll and the driven voller that has false proof figure impression and be connected with drive roll by ring gear that support plastic foil after glue spreader, drive roll and driven voller support by bracing frame.Thereby being stained with drive roll behind the glue is like this supporting plastic foil and rotates to a direction and drive the driven voller with false proof impression and rotate round about, false proof like this impression promptly adheres on the plastic foil of being stained with glue, therefore plastic foil has been printed on false proof impression before entering the drying tunnel of heating, after passing through hot pressing roller and pressure roll again and needing the paper hot pressing of printing, formation has anti-fraud functional composite membrane.

The beneficial effect that the present invention compared with prior art has is: the present invention is owing to be bonded in operation on the plastic foil with entering to have increased before the drying tunnel of heating with anti-counterfeiting mark coating process after, the vestige that is printed on anti-counterfeiting mark has like this been stayed on the plastic foil, through oven dry and with paper hot pressing after the composite membrane that has the anti-counterfeiting mark impression that forms, this composite membrane is colourless, transparent, be difficult to differentiate from appearance, have only by skew ray and can see, therefore the present invention can not destroy the pattern of former book cover or packing of product decoration or product advertising design, and can be arbitrarily that anti-counterfeiting mark is fixing in a certain scope on pattern according to the requirement of publishing house or manufacturer, and the position that the anti-counterfeiting mark on every part of printed matter occurs in this scope is fixing, and it is counterfeit that the bootlegger is difficult to; In addition, adopt invention increase any cost can for publishing house or manufacturer.

Description of drawings

Fig. 1 is a multiple film device structural representation of the prior art;

Fig. 2 is a multiple film device structure master schematic diagram of the present invention;

Fig. 3 is drive roll and the local enlarged diagram of driven voller among Fig. 2;

Fig. 4 is the schematic top plan view of Fig. 3.

The specific embodiment

As shown in Figure 2, false proof multiple film device of the present invention is by drive roll 1, driven voller 2, glue spreader 3, the drying tunnel 4 of heating, hot pressing roller 5, paper sheet delivery part 6, pressure roll 7, bracing frame 8 and forming in the process that plastic sheeting moves ahead by a plurality of passive backing rolls 9, also be equipped with in the outside of equipment and be used to support the support 10 of plastic foil and the finished product wind-up roll 11 that the plastic foil after compound is carried out rolling, on driven voller 2, be fixed with a false proof impression plate 12, the thickness of impression plate 12 is 4～6mm, drive roll 1 is connected on the bracing frame 8 with the two ends of driven voller 2, and the ring gear 13 by can spacing links together between drive roll 1 and the driven voller 2, and its adjustable range is generally 2～3mm; The compression spring 14 of regulating pressure also is housed between the two ends of driven voller 2 and the bracing frame 8, moves forward and backward so that driven voller 2 is unlikely; The elastic rubber ring 19 that thickness is 4mm～6mm is housed, so that further regulate the spacing between drive roll 1 and the driven voller 2 respectively at the two ends of drive roll 1.For false proof impression plate 12 can be kept clean at any time, make the vestige that prints off clear, the course bearing that rotates along driven voller 12 is respectively equipped with impression cleaning wheel 15 and dries piece 16, and band is provided with cleaning fluid dish 17 simultaneously, so that cleaning fluid can not flow in the equipment.In addition, be respectively equipped with two to the blowing mouth 20 of drying tunnel 4 blowings and the exhausting duct 21 of outside exhausting in order to keep the temperature of heating in the drying tunnel 4, to establish thereon.

The course of work of the present invention is:

(1) plastic foil 18 is placed on the support 10 in advance, and plastic foil 18 is passed through glue spreader, drive roll 1, a plurality of backing roll 9 successively through wind-up roll 11 places;

(2) hot pressing roller 5 and drying tunnel 4 are heated to required temperature, are generally 70 ℃～90 ℃;

When (3) starting shooting glue spreader 3 is contacted with plastic foil 18, just evenly be coated with the glue (thickness of glue is regulated according to needed shade, and shade is thick, and thin shade is thin) between last layer thickness 0.02～0.06mm like this on the plastic foil 18;

(4), the glue spreader 3 that has been coated with glue is carried out the part oven dry in the position of relative impression version by local oven dry hot-blast outlet 22;

(5) plastic foil 18 that has been coated with glue passes gap between drive roll 1 and the driven voller 2 through backing roll 9 subsequently, drive roll 1 turns left, driving driven voller 2 turns right, false proof impression plate 12 on it contacts with the plastic foil 18 of being stained with glue, false proof impression plate track has been stayed on the plastic foil 18, and driven voller 2 cleans up the offset printing that stays on the false proof impression plate 12 by cleaning wheel 15 and purge block 16 when rotating, be that cleaning wheel 15 and purge block 16 edge works are rotated in driven voller 2 limits;

(6) plastic foil 18 arrives the drying tunnel 4 of heating through backing roll 9 more afterwards, makes plastic foil 18 be leather hard by heating, and the temperature of generally heating is 70 ℃～90 ℃;

(7) plastic foil 18 continues to advance along backing roll 9, arrive paper sheet delivery part 6 places, in paper feeding, by hot pressing roller 5 and pressure roll 7 that plastic foil and paper is together compound, formation has antiforge function surface water white transparency, be difficult to differentiate from appearance, have only the composite membrane that to see the anti-counterfeiting mark impression by skew ray.

Claims

1, false proof film coating method is characterized in that comprising the following steps:

(1) plastic sheeting is coated with the uniform glue of last layer thickness;

(3) make the above-mentioned glue that is stained with on the false proof impression plastic sheeting be leather hard by heating again;

(4) through hot pressing paper and the above-mentioned plastic sheeting that has false proof impression are combined into one at last, form water white transparency, be difficult to differentiate, and can see the anti-counterfeiting compound film of anti-counterfeiting mark impression by skew ray from appearance.

2, false proof film coating method according to claim 1 is characterized in that: the glue in the described step (1) is water white transparency, and its thickness is 0.02～0.06mm.

3, false proof film coating method according to claim 1 is characterized in that: the anti-fake print in the described step (3) is the impression version that has anti-fake mark.

4, false proof film coating method according to claim 3 is characterized in that: the thick of described impression version is 4-6mm.

5, false proof film coating method according to claim 1 is characterized in that: the part oven dry is carried out to the glue spreader that has been coated with glue in the position of impression version relatively in step (1) back.

6, false proof film coating method according to claim 1 is characterized in that: the temperature of heating in the described step (3) is 70 ℃～90 ℃.

7, for implementing the false proof multiple film device that said method designs, comprise glue spreader, the drying tunnel of heating, hot pressing roller, paper sheet delivery part, pressure roll and in the process that plastic sheeting moves ahead, a plurality of passive backing rolls are arranged, it is characterized in that: be added with the drive roll and the driven voller that has false proof figure impression and be connected with drive roll by ring gear that support plastic foil after glue spreader, drive roll and driven voller support by bracing frame.

8, false proof multiple film device according to claim 7 is characterized in that: between the two ends of driven voller and bracing frame the compression spring of regulating pressure is housed also.

9, false proof multiple film device according to claim 7, it is characterized in that: the course bearing that rotates along driven voller is respectively equipped with the impression cleaning wheel and dries piece.

10, false proof multiple film device according to claim 7 is characterized in that: at the two ends of drive roll the elastic rubber ring that thickness is 4mm～6mm is housed respectively.