The method that the useless film of thermoprint carries out secondary thermoprint
Technical field is given up the method that film carries out secondary thermoprint more particularly to thermoprint the present invention relates to printing technology.
Background technique foil stamping process is that the packing and decorating technique that one kind generally uses has especially in tobacco and wine packaging industry
The foil stamping process of 70% or so products application.Although foil stamping process has been widely used for the decoration of product and anti-fake, deposit
In an outstanding question, that is, current main consumable material blocking film thermoprint is primary, has become useless after
Material, and blocking film is expensive, is the prime cost source in foil stamping process;On the other hand, on the useless film after a thermoprint
Graph text information is easy the certain product design content of exposure, this is also unfavorable to tobacco and wine package anti-counterfeiting.
Summary of the invention is the technical problem to be solved in the present invention is that propose one in place of avoiding above-mentioned the deficiencies in the prior art
Kind of thermoprint is given up the method that film carries out secondary thermoprint, thermoprint can be given up film secondary use using this method, be overcome the existing skill of industry
Art prejudice, makes a silk purse out of a sow's ear, and reduces production cost, and avoid the Antiforge information leakage of a thermoprint waste material.
The present invention solves the technical problem can realize by using following technical scheme:
It proposes a kind of method that the useless film of thermoprint carries out secondary thermoprint, includes the following steps:
A. after film winding is given up in the thermoprint after first time thermoprint, rewinding arrangement, the useless film after making rewinding again are unreeled again
Elastic appropriateness, end face is concordant, and control errors are within ± 0.2mm;
B. secondary stamping plates are made: spacing and typesetting layout between the single plate sizes of secondary stamping plates, two single plates, all
Strict conformance is kept with a stamping plates;Also, the region that transfer layer is transferred when film first time thermoprint useless corresponding to thermoprint,
The region of secondary stamping plates is lithographic plate;
C. secondary thermoprint is carried out: the useless film of the good thermoprint of rewinding after first time thermoprint, then unreeled again by useless film unwinding device, way
Through floating tension control roll, deflector roll and secondary hot stamping unit, finally to second of useless film rewinding unit rewinding;The secondary thermoprint
Tracking electric eye is equipped between unit and floating tension control roll, tracking electric eye is anti-by picture and text location information on the useless film of first time thermoprint
It feeds second useless film rewinding unit, is given up the tensioning degree of film with controlling thermoprint, it is ensured that in the picture and text that first time thermoprint is given up on film
The predetermined position that Rong Yucheng scalds article matches and register, thus by the transfer layer part that do not shift remaining after first time thermoprint
Whole full page thermoprints, which are transferred to, holds on boiling hot article.
It is described to hold same article that boiling hot article is first time thermoprint or new hold boiling hot article.
The useless film unwinding device is configured with independent variable-frequency motor, and the deflector roll contains electromagnetic clutch tension controller, institute
Second of useless film rewinding unit is stated configured with independent variable-frequency motor.
The present invention can also be realized by following technical proposals
It proposes a kind of method that the useless film of thermoprint carries out secondary thermoprint, includes the following steps:
A. secondary stamping plates are made: spacing and typesetting layout between the single plate sizes of secondary stamping plates, two single plates, all
Strict conformance is kept with a stamping plates;Also, the region that transfer layer is transferred when film first time thermoprint useless corresponding to thermoprint,
The region of secondary stamping plates is lithographic plate;
B. blocking film is after unwinding device unreels, and into installation, once a hot stamping unit of stamping plates is completed to scald for the first time
Print, thermoprint after first time thermoprint give up film using first group of pressure roller and deflector roll, first group of pressure roller and deflector roll and unreel dress
Set cooperation, the tension of the first hot stamping unit blocking film of control makes its uniform and stable, elastic appropriateness, stepping accuracy control ±
Within 0.2mm range, the useless film of thermoprint after adjusted control successively passes through floating tension control roll and second group of pressure roller again and leads
Roller, then direct line enters secondary hot stamping unit second of the thermoprint of completion for being equipped with secondary stamping plates, finally by second
Secondary useless film rewinding unit rewinding;It is equipped with tracking electric eye between the secondary hot stamping unit and floating tension control roll, tracks electric eye
Picture and text location information on the useless film of first time thermoprint is fed back into second of useless film rewinding unit, to control the tensioning journey of the useless film of thermoprint
Degree, it is ensured that the graph-text content that first time thermoprint is given up on film matches with the predetermined position for holding boiling hot article and register, thus by first
The remaining transfer layer part whole full page thermoprint that do not shift, which is transferred to, after secondary thermoprint holds on boiling hot article.
Compared with the existing technology 1. grams are had the technical effect that compared with, the thermoprint of the present invention method that film carries out secondary thermoprint of giving up
Prior art prejudice and in the industry thinking inertia are taken, the thermoprint film that gives up is subjected to secondary use, makes a silk purse out of a sow's ear, economizes on resources and cost,
Be conducive to environmental protection simultaneously;2. effectively preventing thermoprint graph text information to be leaked, product false proof safety is improved indirectly;
3. thermoprint is given up, film such as secondary thermoprint are held on boiling hot article to same, and the sunny side and the back for being equivalent to thermoprint graph text information are all attached to together
On one article, the effect of double anti-forge and decoration is played.
Detailed description of the invention
Fig. 1 is that the embodiment of the present invention one is given up film rewinding theory structure schematic diagram;
Fig. 2 is the useless secondary thermoprint theory structure schematic diagram of film of one thermoprint of the embodiment of the present invention;
Fig. 3 is the theory structure schematic diagram of the two secondary thermoprint of direct line of the embodiment of the present invention;
Fig. 4 is to hold boiling hot article layout structure schematic diagram in the method for the present invention after a thermoprint;
Fig. 5 is the useless membrane structure diagram of thermoprint after thermoprint of the method for the present invention;
Fig. 6 is that the secondary thermoprint of film is given up in the method for the present invention to the same layout structure schematic diagram held on boiling hot article;
Fig. 7 is the structural schematic diagram after the useless secondary thermoprint of film of the method for the present invention thermoprint.
Specific embodiment
Embodiment one:
The embodiment of the method one that the useless film of thermoprint of the present invention carries out secondary thermoprint includes the following steps: as depicted in figs. 1 and 2
A. after film winding is given up in the thermoprint after first time thermoprint, rewinding arrangement, the useless film after making rewinding again are unreeled again
Elastic appropriateness, end face is concordant, and control errors are within ± 0.2mm;The film 100 as shown in Figure 1, thermoprint after first time thermoprint is given up,
Through unwinding device 10(with independent variable-frequency motor) unreel, 11, first groups of pressure rollers 21 of successively the first floating of approach tension control roll and
Deflector roll 22,12, second groups of pressure rollers 31 of the second floating tension control roll and deflector roll 32 and floating tension correction control roller 40, finally
To rewinding unit 90(with independent variable-frequency motor) winding;The unwinding device 10 and the first floating tension control roll 11, Yi Ji
One group of pressure roller 21 and deflector roll 22, which cooperate, carries out first time tension force to the thermoprint film that gives up;And second group of pressure roller 31 and deflector roll
32, floating tension correction control roller 40 and rewinding unit 90(with independent variable-frequency motor) cooperate to thermoprint give up film carry out second
Secondary tension and correction control, the thermoprint of such rewinding give up film with regard to elastic appropriateness, and end face is concordant, is finally able to satisfy the secondary thermoprint of postorder
Requirement;
B. secondary stamping plates are made: spacing and typesetting layout between the single plate sizes of secondary stamping plates, two single plates, all
Strict conformance is kept with a stamping plates;Also, the region that transfer layer is transferred when film first time thermoprint useless corresponding to thermoprint,
The region of secondary stamping plates is lithographic plate;The concrete structure schematic diagram of stamping plates and secondary stamping plates is not shown,
Can refer to and compare Fig. 4 to Fig. 7 hold boiling hot article schematic diagram and thermoprint after primary and secondary thermoprint is given up film schematic diagram;
C. secondary thermoprint is carried out: as shown in Fig. 2, the useless film 100 of the good thermoprint of rewinding after first time thermoprint, then dress is unreeled by useless film
10(is set with independent variable-frequency motor) it unreels again, by way of floating tension control roll 51, deflector roll 52 and secondary hot stamping unit 300, most
Afterwards to second of useless film rewinding unit 90(with independent variable-frequency motor) rewinding;The deflector roll 52 contains electromagnetic clutch tension force
Device, is equipped with tracking electric eye 53 between the secondary hot stamping unit 300 and floating tension control roll 51, tracking electric eye 53 will for the first time
Picture and text location information feeds back to second of useless film rewinding unit 90 on the useless film 100 of thermoprint, to control the tensioning journey of the useless film 10 of thermoprint
Degree, it is ensured that the graph-text content that first time thermoprint is given up on film 100 matches with the predetermined position for holding boiling hot article 800 and register, thus
The whole full page thermoprints of part transfer layer 102 that do not shift remaining after first time thermoprint are transferred to and are held on boiling hot article 800.
Using embodiment of the present invention method one, holding boiling hot article 800 described in second of thermoprint is the same of first time thermoprint
Article new holds boiling hot article.By taking same article as an example, Fig. 4 is to hold boiling hot 800 layout structure schematic diagram of article after a thermoprint, is passed through
After crossing a thermoprint, the positive image part transfer layer 101 of blocking film, which is transferred into, to be held on boiling hot article 800;Fig. 6 is the method for the present invention
In give up the secondary thermoprint of film to the same layout structure schematic diagram held on boiling hot article, after secondary thermoprint, after first time thermoprint remain
Under the whole full page thermoprints of the part transfer layer 102 not shifted be transferred on the another location for holding boiling hot article 800, in thermoprint material
The corresponding negative image in first time thermoprint positive image part is shown on 800, plays double anti-forge and decorative effect.Fig. 5 and Fig. 7 show respectively
The thermoprint anticipated out after a thermoprint and after secondary thermoprint is given up membrane structure, in Fig. 5, the corresponding positive image after being a thermoprint of label 101 '
The transferred region of part transfer layer 101, in Fig. 7, label 100 ' is the useless film thoroughly cancelled after thermoprint twice;Label
102 ' it is corresponding be after thermoprint twice transfer layer all transfer after region.In Fig. 4 and Fig. 6, label 800 holds boiling hot for whole
Article, label 801 are that single Xiao Zhang holds boiling hot article.
Embodiment two:
What embodiment one provided is that thermoprint after a thermoprint gives up film after the arrangement of rewinding again, then carries out secondary scald offline
Print.In the present embodiment two, after a thermoprint, direct line carries out secondary thermoprint.
A kind of useless film of thermoprint of the present invention carries out the embodiment of the method two of secondary thermoprint, as shown in figure 3, including the following steps:
A. secondary stamping plates are made: spacing and typesetting layout between the single plate sizes of secondary stamping plates, two single plates, all
Strict conformance is kept with a stamping plates;Also, the region that transfer layer is transferred when film first time thermoprint useless corresponding to thermoprint,
The region of secondary stamping plates is lithographic plate;The concrete structure schematic diagram of stamping plates and secondary stamping plates is not shown,
Can refer to and compare Fig. 4 to Fig. 7 hold boiling hot article schematic diagram and thermoprint after primary and secondary thermoprint is given up film schematic diagram;
B. as shown in figure 3, blocking film 1 through unwinding device 10(with independent variable-frequency motor) unreel after, into installation once thermoprint
Hot stamping unit 200 of printing plate completes first time thermoprint, and the thermoprint after first time thermoprint gives up film 100 using first group
Pressure roller 21 and deflector roll 22, first group of pressure roller 21 and deflector roll 22 and unwinding device 10 cooperate, and control the blocking film 1 of first time thermoprint
Tension makes its uniform and stable, elastic appropriateness, and stepping accuracy controls within ± 0.2mm range, and the thermoprint after adjusted control is useless
Film 100 is again successively by floating tension control roll 60 and second group of pressure roller 31 and deflector roll 32, and then direct line enters and is equipped with
The secondary hot stamping unit 300 of secondary stamping plates completes second of thermoprint, finally independent by second of useless film rewinding unit 90(band
Variable-frequency motor) rewinding;Tracking electric eye 53, tracking electricity are equipped between the secondary hot stamping unit 300 and floating tension control roll 60
Picture and text location information on the useless film 100 of first time thermoprint is fed back to second of useless film rewinding unit 90 by eye 53, useless to control thermoprint
The tensioning degree of film 100, it is ensured that the graph-text content that first time thermoprint is given up on film matches and covers with the predetermined position for holding boiling hot article
Standard holds boiling hot article 800 so that the whole full page thermoprints of part transfer layer 102 that do not shift remaining after first time thermoprint are transferred to
On.
The present embodiment two, using the direct connection line operation of double hot stamping units, to hold boiling hot article 800 be for second of thermoprint described
The same article of thermoprint.
The above content is combine specific optimal technical scheme further detailed description of the invention, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.