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Magnetic alignment device and magnetic printing equipment

A magnetic printing and magnetic orientation technology, applied in the field of magnetic orientation, can solve the problems of monotonous effect, unsatisfactory, complex structure, etc., and achieve the effect of changing the orientation effect and simple structure

Inactive Publication Date: 2021-08-24
HUIZHOU FORYOU OPTICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, there are not many methods of printing anti-counterfeiting patterns through magnetic fields, and the aesthetics are lacking, which cannot meet the growing needs of the public and the market.
And the magnetic orientation device used to form the magnetic field contains too many magnets, the structure is complicated, the cost is high, and the effect is monotonous

Method used

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  • Magnetic alignment device and magnetic printing equipment
  • Magnetic alignment device and magnetic printing equipment
  • Magnetic alignment device and magnetic printing equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Such as image 3 and Figure 4 As shown, the main surface of the first magnet 11 is arranged in a quadrangular shape. The first magnet 11 is a plate-like structure with a length of 50mm×width of 25×height. The second magnet 12 is a cylinder with a radius of 4 mm×a height of 4 mm. The demagnetizing body 13 is a cuboid with a length of 50 mm×a width of 25×a height of 2. The orthographic projection of the second magnet 12 on the plane where the demagnetizing body 13 is located overlaps with the orthographic projection of the geometric center of the main surface of the first magnet 11 on the plane where the demagnetizing body 13 is located. refer to Figure 5 , Figure 5 yes image 3 The magnetization pattern (a) of the magnetic orientation device 10 shown and image 3 The comparison schematic diagram of the fixed magnetization pattern (b) after the demagnetization body 13 is removed in the magnetic orientation device 10 shown. From Figure 5 It can be seen that th...

Embodiment 2

[0054] Such as Figure 6 and Figure 7 As shown, the main surface of the first magnet 11 is arranged in a triangular shape. The first magnet is a plate-shaped structure with a side length of 38 mm×a thickness of 2 mm. The second magnet 12 is arranged in a cylindrical shape. The orthographic projection of the second magnet 12 on the plane where the demagnetization body 13 is located overlaps with the orthographic projection of the geometric center of the main surface of the first magnet 11 on the plane where the demagnetization body 13 is located. The demagnetizing bodies 13 are arranged in a triangular shape. The demagnetizing body 13 is a plate-shaped structure with a side length of 38mm×0.7mm. A piece of demagnetizing body 13 is arranged between the first magnet 11 and the second magnet 12 . refer to Figure 8 , Figure 8 yes Figure 6 The magnetization pattern (c) of the magnetic orientation device 10 shown and Figure 6 The comparison schematic diagram of the fixe...

Embodiment 3

[0056] Such as Figure 9 and Figure 10 As shown, the main surface of the first magnet 11 is arranged in a triangular shape. The first magnet is a plate-shaped structure with a side length of 38 mm×a thickness of 2 mm. The second magnet 12 is arranged in a cylindrical shape. The orthographic projection of the second magnet 12 on the plane where the demagnetization body 13 is located overlaps with the orthographic projection of the geometric center of the main surface of the first magnet 11 on the plane where the demagnetization body 13 is located. The demagnetizing bodies 13 are arranged in a triangular shape. The demagnetizing body 13 is a plate-shaped structure with a side length of 38mm×0.7mm. Two demagnetizing bodies 13 are arranged between the first magnet 11 and the second magnet 12 . refer to Figure 11 , Figure 11 are magnetic or magnetizable pigment flakes in Figure 9 A schematic diagram of the fixed magnetism effect after magnetic orientation is performed i...

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Abstract

The present application discloses a magnetic orientation device and a magnetic printing apparatus. The magnetic orientation device includes a first magnet, a second magnet and a demagnetizing body. The second magnet is positioned adjacent to the first magnet. The first magnet and the second magnet are respectively arranged on the opposite sides of the demagnetization body. The demagnetization body is used to adjust the coupling effect between the magnetic fields generated by the first magnet and the second magnet. The magnetized pigment flakes are oriented to form a corresponding magnetic orientation pattern. The magnetic orientation device of the present application can form a magnetic field for printing anti-counterfeiting patterns through simple combination of magnets, and the orientation effect of the magnetic orientation device on magnetic or magnetizable pigment flakes can be changed by setting a demagnetizer, and the structure is simple.

Description

technical field [0001] The present application relates to the technical field of magnetic alignment, in particular to a magnetic alignment device and a magnetic printing device. Background technique [0002] Today's anti-counterfeiting technology plays a very important role, and they can be seen in the packaging and printing of various valuable commodities. The market's technical requirement for anti-counterfeiting is "easy to identify, difficult to imitate". The directional arrangement of magnetic or magnetizable pigment flakes can be controlled by a magnetic field to produce a pattern, which has a very strong anti-counterfeiting effect and is "easy to identify but difficult to counterfeit". [0003] However, there are not many methods for printing anti-counterfeiting patterns through magnetic fields, and the aesthetics are lacking, which cannot meet the growing needs of the public and the market. Moreover, the magnetic orientation device used to form the magnetic field c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41F17/00
CPCB41F17/00
Inventor 杨东运王于萌王奕王普
Owner HUIZHOU FORYOU OPTICAL TECH
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