CN102490448B - Magnetic printing mother set, preparation method thereof and preparation equipment - Google Patents

Abstract

The invention provides a magnetic printing mother set, a preparation method thereof and preparation equipment. The preparation method of the magnetic printing mother set includes magnetizing a magnetizable material layer along a first magnetizing direction by the aid of a first magnetic field; heating and demagnetizing local areas of the magnetizable material layer by the aid of laser beams; and magnetizing the local areas of the magnetizable material layer by a second magnetic field along a second magnetizing direction different from the first magnetizing direction. The magnetic printing mother set, the preparation method thereof and the preparation equipment have the advantages that a preset magnetized area combination can be formed on the magnetic printing mother set, and furthermore, a versatile pattern effect can be realized on the surface of a printing article.

Description

Magnetic printing mother matrix and manufacture method thereof and manufacturing equipment

Technical field

The present invention relates to magnetic orientation print field, particularly relate to a kind of magnetic printing mother matrix and manufacture method and manufacturing equipment.

Background technology

At present, magnetic optically variable pigments is widely used in various false proof fields.Magnetic optically variable pigments becomes effect except having the light of traditional optically variable pigments, can also carry out along magnetic field orientation.Therefore, need to be in the inner specific magnetic fields that forms an artificial design of the magnetic photochromatic printing ink that comprises magnetic optically variable pigments in printing solidification process, make magnetic optically variable pigments microplate to there is different angles in zones of different directed, and then make magnetic optically variable pigments in printed matter, produce unique light change pattern effect.

The orientation of magnetic optically variable pigments is generally realized by magnetic printing mother matrix.Magnetic printing mother matrix need to have in different regions different magnetic directions, and then it is directed in the difference of zones of different to realize magnetic optically variable pigments.The magnetic printing mother matrix of prior art is generally to realize by the splicing between different magnets or etching.Yet the magnetic printing mother matrix obtaining by the way cannot produce default magnet combination, thereby can not obtain changeable light, become pattern effect.

Therefore, need to provide a kind of magnetic printing mother matrix and manufacture method and manufacturing equipment, to solve the problems of the technologies described above.

Summary of the invention

The technical problem that the present invention mainly solves is to provide a kind of magnetic printing mother matrix and manufacture method and manufacturing equipment, to produce the magnetic printing mother matrix with default magnetized area combination.

For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of manufacture method of magnetic printing mother matrix is provided, comprises: a. utilizes the first magnetic field along first direction of magnetization, magnetisable material layer to be magnetized; B. utilize more than laser beam is heated to the Curie temperature of magnetisable material layer by the regional area of magnetisable material layer, to utilize laser beam to add thermal demagnetization to the regional area of magnetisable material layer; C. utilize the second magnetic field along second direction of magnetization that is different from first direction of magnetization, the regional area of magnetisable material layer to be magnetized.Step c comprises: c1., when utilizing laser beam that the temperature of the regional area of magnetisable material layer is remained on more than Curie temperature, utilizes the second magnetic field along second direction of magnetization, to act on the regional area of magnetisable material layer; C2. when keeping the second magnetic field, remove laser beam, so that the temperature of the regional area of magnetisable material layer is reduced to below Curie temperature.

For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of magnetic printing mother matrix being made by above-mentioned manufacture method is provided.

Wherein, magnetic printing mother matrix has a plurality of regional areas, and the magnetic direction in a plurality of regional area is different.

Wherein, the profile of magnetic printing mother matrix is planar sheet or cambered surface thin plate.

For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of manufacturing equipment of magnetic printing mother matrix is provided, comprises workbench, magnetizing system and LASER HEATING system.Workbench is used for supporting magnetisable material layer.Magnetizing system is for generation of the first magnetic field, magnetisable material layer is magnetized along first direction of magnetization.LASER HEATING system is utilized more than laser beam is heated to the Curie temperature of magnetisable material layer by the regional area of magnetisable material layer, to utilize laser beam to add thermal demagnetization to the regional area of magnetisable material layer.Magnetizing system further produces the second magnetic field, when LASER HEATING system utilizes laser beam that the temperature of the regional area of magnetisable material layer is remained on more than Curie temperature, magnetizing system utilizes the second magnetic field along second direction of magnetization, to act on the regional area of magnetisable material layer, and when magnetizing system keeps the second magnetic field, LASER HEATING system removes laser beam, so that the temperature of the regional area of magnetisable material layer is reduced to below Curie temperature, the regional area of the magnetisable material layer with second direction of magnetization along being different from first direction of magnetization after to degaussing magnetizes.Wherein, described workbench comprises two-dimension translational workbench and additional rotation mechanism, in order to make planar magnetic printing mother matrix and cambered surface magnetic printing mother matrix.

The invention has the beneficial effects as follows: the situation that is different from prior art, magnetic printing mother matrix of the present invention and manufacture method thereof and manufacturing equipment magnetize same magnetisable material layer by the direction of magnetization along different, default various magnetized area combinations can be on magnetic printing mother matrix, formed, and then changeable pattern effect can be on printed matter surface, produced.

Accompanying drawing explanation

Fig. 1 is according to the flow chart of the manufacture method of the magnetic printing mother matrix of first embodiment of the invention;

Fig. 2 a-2e is the schematic diagram of the different step of the manufacture method shown in Fig. 1;

Fig. 3 is according to the structural representation of the manufacturing equipment of the magnetic printing mother matrix of second embodiment of the invention;

Fig. 4 a-4d is according to the schematic diagram of the different step of the magnetic printing method of utilizing the realization of magnetic printing mother matrix of third embodiment of the invention;

Fig. 5 is according to the schematic diagram of the magnetic printing mother matrix of third embodiment of the invention.

The specific embodiment

Refer to Fig. 1 and Fig. 2 a-2e, Fig. 1 is according to the flow chart of the manufacture method of the magnetic printing mother matrix of first embodiment of the invention, and Fig. 2 a-2e is the schematic diagram of the different step of the manufacture method shown in Fig. 1.As shown in Fig. 1 and Fig. 2 a-2e, the manufacture method of the magnetic printing mother matrix of the present embodiment comprises the following steps.

Instep 11, as shown in Figure 2 a, utilize the first magnetic field along first direction of magnetization,magnetisable material layer 10 to be magnetized, and then in the interior formation ofmagnetisable material layer 10 and first direction of magnetization magnetic field in the same way.

Instep 12, as shown in Figure 2 b, utilize laser beam to add thermal demagnetization to theregional area 101 of magnetisable material layer 10.Specifically, utilize more than laser beam is heated to the Curie temperature ofmagnetisable material layer 10 by the regional area ofmagnetisable material layer 10 101, thus theregional area 101 ofmagnetisable material layer 10 is carried out to degaussing.

Instep 13, utilize the second magnetic field along second direction of magnetization that is different from first direction of magnetization, theregional area 101 ofmagnetisable material layer 10 to be magnetized.First, as shown in Figure 2 c, when utilizing laser beam that the temperature of the regional area ofmagnetisable material layer 10 101 is remained on more than Curie temperature, utilize the second magnetic field along second direction of magnetization, to act on theregional area 101 of magnetisable material layer 10.Subsequently, as shown in Figure 2 d, when keeping the second magnetic field, remove laser beam, so that the temperature of theregional area 101 ofmagnetisable material layer 10 is reduced to below Curie temperature, and then in the interior formation ofregional area 101 and second direction of magnetization magnetic field in the same way ofmagnetisable material layer 10.

By above-mentioned manufacture method, finally can make the magnetic printing mother matrix of the present invention shown in Fig. 2 e.The present invention, due to without splicing having the magnet of different magnetic field direction, therefore can form the magnetic printing mother matrix with default various magnetized area combinations.In addition, in magnetic printing mother matrix of the present invention, a plurality of regional areas can be set, and it is different that the plurality of regional area is carried out to magnetized the second magnetic direction, make the final magnetic direction in the plurality of regional area different, and then can produce in a plurality of regions of printed matter light change effect complicated and changeable.

In the present embodiment, the profile ofmagnetisable material layer 10, except being planar sheet, can also be cambered surface thin plate, example cambered surface thin plate as shown in Figure 5.

Refer to Fig. 3, Fig. 3 is according to the structural representation of the manufacturing equipment of the magnetic printing mother matrix of second embodiment of the invention.As shown in Figure 3, themanufacturing equipment 30 of the magnetic printing mother matrix of the present embodiment comprisesworkbench 31,magnetizing system 32 and LASER HEATING system 33.Wherein,workbench 31 is for supportingmagnetisable material layer 10, and is preferably the two-dimension translational workbench that can carry out two-dimension translational.In the present embodiment,workbench 31 can comprise table top well known in the art, translation mechanism and control system, does not repeat them here.Magnetizing system 32 produces the first magnetic field,magnetisable material layer 10 is magnetized along first direction of magnetization.LASER HEATING system 33 is for generation of laser beam, and utilize laser beam to add thermal demagnetization to the regional area of magnetisable material layer 10 (not shown), and be specially and utilize more than laser beam is heated to the Curie temperature ofmagnetisable material layer 10 by the regional area of magnetisable material layer 10.In the present embodiment, LASER HEATING system 33 can comprise laser instrument well known in the art, optical system and control system, does not repeat them here.

Further,magnetizing system 32 can also produce the second magnetic field, the regional area ofmagnetisable material layer 10 is magnetized along second direction of magnetization that is different from first direction of magnetization.In the present embodiment,magnetizing system 32 can comprise produce the magnet in a magnetic field, for this magnet of transmission and then change the rotating mechanism of magnetic direction and for controlling the control system of magnet and/or rotating mechanism.

As described above, atmagnetizing system 32, utilize the second magnetic field to carry out in the magnetized process of secondarymagnetisable material layer 10, when LASER HEATING system 33 utilizes laser beam that the temperature of the regional area ofmagnetisable material layer 10 is remained on more than Curie temperature,magnetizing system 32 utilizes the second magnetic field along second direction of magnetization, to act on the regional area ofmagnetisable material layer 10, and whenmagnetizing system 32 keeps the second magnetic field, LASER HEATING system 33 removes laser beam, so that the temperature of the regional area ofmagnetisable material layer 10 is reduced to below Curie temperature, and then form and second direction of magnetization magnetic field in the same way in the above-mentioned regional area ofmagnetisable material layer 10.

In other embodiments,workbench 30, except comprising two-dimension translational workbench, can further include additional rotation mechanism.Additional rotation mechanism rotates relative to laser beam and magnetic field for transmissionmagnetisable material layer 10, and then makes planar magnetic printing mother matrix and cambered surface magnetic printing mother matrix.

Referring to Fig. 4 a-4d, Fig. 4 a-4d is according to the schematic diagram of the different step of the magnetic printing method of utilizing of third embodiment of the invention magnetic printing mother matrix realization of the present invention.First, as shown in Fig. 4 a, in a side of printedmatter substrate 41, be coated withliquid ink layer 42, in this liquidstate ink layer 42, include magnetic optically variable pigments thin slice (not shown).As shown in Figure 4 b, the opposite side at printedmatter substrate 41 arranges magneticprinting mother matrix 43 of the present invention.Now, because the magnetic direction of the zones of different of magneticprinting mother matrix 43 is different, and then make the magnetic optically variable pigments thin slice inliquid ink layer 42 carry out orientation along different directions.As shown in Fig. 4 c, by UV light or other curing mode liquid towardsink layeies 42, be cured, and afterliquid ink layer 42 solidifies, remove magneticprinting mother matrix 43, finally to form the printed matter shown in Fig. 4 d.

Further, magnetic printing mother matrix of the present invention is except for magnetic optically variable pigments is carried out orientation, can be for carrying out orientation by the magnetic paint of field orientation to other types.

By the way, magnetic printing mother matrix of the present invention and manufacture method thereof and manufacturing equipment magnetize same magnetisable material layer by the direction of magnetization along different, can on magnetic printing mother matrix, form default magnetized area combination, and then on printed matter surface, produce changeable pattern effect.

The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (6)

1. a manufacture method for magnetic printing mother matrix, is characterized in that, described manufacture method comprises:

A. utilize the first magnetic field along first direction of magnetization, magnetisable material layer to be magnetized;

B. utilize more than laser beam is heated to the Curie temperature of described magnetisable material layer by the regional area of described magnetisable material layer, with the described regional area to described magnetisable material layer, add thermal demagnetization;

C. utilize the second magnetic field along second direction of magnetization that is different from described first direction of magnetization, the described regional area of described magnetisable material layer to be magnetized, this step comprises:

C1. when utilizing described laser beam that the temperature of the described regional area of described magnetisable material layer is remained on more than described Curie temperature, utilize described the second magnetic field along described second direction of magnetization, to act on the described regional area of described magnetisable material layer;

C2. when keeping described the second magnetic field, remove described laser beam, so that the temperature of the described regional area of described magnetisable material layer is reduced to below described Curie temperature.

2. a magnetic printing mother matrix, is characterized in that, described magnetic printing mother matrix is made by manufacture method claimed in claim 1.

3. magnetic printing mother matrix according to claim 2, is characterized in that, described magnetic printing mother matrix has a plurality of described regional areas, and the magnetic direction in described a plurality of regional area is different.

4. magnetic printing mother matrix according to claim 2, is characterized in that, the profile of described magnetic printing mother matrix is planar sheet or cambered surface thin plate.

5. a manufacturing equipment for magnetic printing mother matrix, is characterized in that, described manufacturing equipment comprises:

Workbench, described workbench is used for supporting magnetisable material layer;

Magnetizing system, described magnetizing system is for generation of the first magnetic field, described magnetisable material layer is magnetized along first direction of magnetization;

LASER HEATING system, described LASER HEATING system is for generation of laser beam, utilize more than described laser beam is heated to the Curie temperature of described magnetisable material layer by the regional area of described magnetisable material layer, with the described regional area to described magnetisable material layer, add thermal demagnetization;

Wherein, described magnetizing system further produces the second magnetic field, when described LASER HEATING system utilizes described laser beam that the temperature of the described regional area of described magnetisable material layer is remained on more than described Curie temperature, described magnetizing system utilizes described the second magnetic field along described second direction of magnetization, to act on the described regional area of described magnetisable material layer, and when described magnetizing system keeps described the second magnetic field, described LASER HEATING system removes described laser beam, so that the temperature of the described regional area of described magnetisable material layer is reduced to below described Curie temperature, the described regional area of the described magnetisable material layer with second direction of magnetization along being different from described first direction of magnetization after to degaussing magnetizes.

6. manufacturing equipment according to claim 5, is characterized in that, described workbench comprises two-dimension translational workbench and additional rotation mechanism, in order to make planar magnetic printing mother matrix and cambered surface magnetic printing mother matrix.

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