CN108583043A - The processing method and transfer method of anti-fake pressing mold - Google Patents
The processing method and transfer method of anti-fake pressing mold Download PDFInfo
- Publication number
- CN108583043A CN108583043A CN201810297636.5A CN201810297636A CN108583043A CN 108583043 A CN108583043 A CN 108583043A CN 201810297636 A CN201810297636 A CN 201810297636A CN 108583043 A CN108583043 A CN 108583043A
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- Prior art keywords
- pressing mold
- fake
- laser
- processing method
- product
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/02—Engraving; Heads therefor
- B41C1/04—Engraving; Heads therefor using heads controlled by an electric information signal
- B41C1/05—Heat-generating engraving heads, e.g. laser beam, electron beam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/382—Contact thermal transfer or sublimation processes
- B41M5/38242—Contact thermal transfer or sublimation processes characterised by the use of different kinds of energy to effect transfer, e.g. heat and light
Abstract
The present invention relates to a kind of processing methods and transfer method of anti-fake pressing mold, which includes step：It is required according to the shape size of security pattern, the boss of required size is processed on mold materials；Design the anti-false sign plate line with micro texture, refractive power effect；Laser equipment carries out laser carving according to anti-false sign plate line to boss, obtains the pressing mold with anti-false sign plate line.In the processing method of the present invention, in the processing method, anti-counterfeiting performance can be enhanced with the small-pitch false-proof texture of laser carving outlet so as to improve the machining accuracy of anti-fake pressing mold using laser.In addition, the processing method of laser laser carving compares traditional processing method, due to the not no limitation of cutter and manufacturing procedure is less, so as to improve processing efficiency.
Description
Technical field
The present invention relates to anti-fake pressing mold manufacturing technology field, the processing method more particularly to a kind of anti-fake pressing mold and transfer
Method.
Background technology
In the process that security pattern is molded printing transfer (referred to as " transfer "), to the fine journey of anti-fake pressing mold engraving
Degree requirement is very high, and otherwise the anti-counterfeiting performance of die press print transfer substantially reduces, and is easy to cause the appearance of Counterfeit Item.
Currently, the processing for accurate anti-fake pressing mold, there are mainly two types of modes：First way, by numerically-controlled machine tool into
Row processing；The second way is processed by way of exposure imaging.However, in first way, added using numerically-controlled machine tool
Working hour has that long processing time, cutter life are short, moreover, when numerically-controlled machine tool is processed, by tool dimension specification
Limitation, it is desirable that line spacing to be processed is not less than 0.06mm, thus this mode is not suitable for high-precision anti-fake pressing mold
It makes, is unfavorable for the raising of anti-counterfeiting performance.In the second way, exposure imaging technical equipment is expensive, the processing being related to
Process is various, needs to make mask, development, etching etc., processing efficiency is low.Based on this present situation, accurate anti-fake pressure how is improved
The processing efficiency and machining accuracy of mould have the meaning of reality.
Invention content
Based on this, it is necessary to provide a kind of processing method for the processing efficiency and machining accuracy that can improve accurate anti-fake pressing mold
And the transfer method of printing transfer is carried out using pressing mold made from the processing method.
A kind of processing method of anti-fake pressing mold, which includes step：
Step S110 designs the anti-false sign plate line with micro texture, refractive power effect, generates anti-fake map file；
Step S120 requires according to the shape size of the anti-false sign plate line, required ruler is processed on mold materials
The boss of very little size；
Step S130, laser equipment carry out laser carving to the boss according to the anti-fake map file, obtain with described anti-fake
The pressing mold of mark plate line.
In a wherein embodiment, the surface roughness Ra of the boss is less than 0.6um.
In a wherein embodiment, in the step S110, the line spacing of the anti-false sign plate line is more than or waits
In 0.02mm.
In a wherein embodiment, in the step S130, the laser equipment be wave-length coverage be 340nm~
The ultraviolet nanosecond laser of 370nm；The maximum power of the ultraviolet nanosecond laser is 4W.
In a wherein embodiment, the step S110 further comprises：
Pass through anti-counterfeiting design Software for Design anti-false sign plate line；
After the completion of design, the map file used for the laser equipment is exported.
In a wherein embodiment, the step S130 further comprises：
Anti-fake map file generated in step S110 is imported into the laser equipment, and the laser is focused on described
The face to be processed of boss；
The laser equipment to boss carry out laser carving during, to laser carving at blow inert gas.
In a wherein embodiment, the mold materials include stainless steel.
Correspondingly, the present invention also provides a kind of transfers carrying out printing transfer using pressing mold made from above-mentioned processing method
Method, the transfer method include the following steps：
Step S210, the burr that laser carving on the pressing mold is generated remove；
Step S220 to going the pressing mold of flash removed to clean, and air-dries pressing mold after the completion of cleaning；
Step S230 will be heated to preset temperature through air-dried pressing mold, and it is to be printed so that the pressing mold is compressed with preset pressure
Anti-false sign plate line on the pressing mold is transferred to the product by the product of anti-false sign.
In a wherein embodiment, in step S230, when the pressing mold compresses the product, made using ultrasonic wave
Pressing mold pushes against the product microseism.
In a wherein embodiment, the step S230 further comprises：
The pressing mold compresses the product and presses to the first depth；
The ultrasonic wave is opened, it is described super during the pressing mold compresses the product and presses to the second depth
Sound wave carries out microseism to the pressing mold；
It closes the ultrasonic wave, after the pressing mold continues to compress the product and presses to third depth, detaches the pressure
Mould and the product complete transfer；
Wherein, third depth described in the second depth ＜ described in the first depth ＜.
The processing method and transfer method of a kind of anti-fake pressing mold provided by the invention can using laser in the processing method
Enhance anti-counterfeiting performance with the small-pitch false-proof texture of laser carving outlet so as to improve the machining accuracy of anti-fake pressing mold.This
Outside, the processing method of laser laser carving compares traditional processing method, and due to the not no limitation of cutter and manufacturing procedure is less, to
Processing efficiency can be improved.
Description of the drawings
Fig. 1 is the step flow chart of the processing method of anti-fake pressing mold in an embodiment；
Fig. 2 is the step flow chart transferred using accurate anti-fake pressing mold in an embodiment.
Specific implementation mode
To facilitate the understanding of the present invention, below with reference to relevant drawings to invention is more fully described.In attached drawing
Give the better embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein "inner", "outside", "left", "right" and
Similar statement for illustrative purposes only, is not offered as being unique embodiment.
Refering to fig. 1 and Fig. 2, the processing method of a kind of anti-fake pressing mold in an embodiment, which includes step：
Step S110 designs the anti-false sign plate line with micro texture, refractive power effect, generates anti-fake map file；
In the step, anti-false sign plate line can be word or raised grain, and by the design of refractive power effect, improve pseudo-
The difficulty made, to enhance antifalse effect.
Step S120 requires according to the shape size of anti-false sign plate line, it is big that required size is processed on mold materials
Small boss.To make mold materials after processing anti-false sign plate line using boss, can there will be antifraud marker plate line
Part highlight, subsequently to transfer in operation, boss can clearly print to security pattern corresponding to be printed anti-fake
On the product of mark, transferring effect is improved.
Step S130, laser equipment carry out laser carving to boss according to anti-fake map file, obtain the pressure with anti-false sign plate line
Mould.
It should be noted that in step s 110, the anti-fake map file of generation reads for laser equipment, so as to laser equipment
Laser carving is carried out to boss according to anti-fake map file shoot laser.In the embodiment, due to by the way of laser laser carving, processing stand
Control is more flexible, can efficiently process irregular and closely spaced texture of arranging, adapt to more fine anti-false sign
The processing of plate line needs, and improves antifalse effect.In addition, in the way of laser laser carving, manufacturing procedure is few, greatly improves processing
Efficiency reduces production cost.
In some embodiments, the surface roughness Ra of boss be less than 0.6um so that boss show have compared with
Good mirror effect, and then laser carving can go out that exterior contour is more smooth, clearly anti-false sign plate line on boss, so as to
During follow-up transfer, high-precision anti-false sign plate escutcheon brush can be transferred on the product of anti-false sign to be printed, carried
High antifalse effect.
In some embodiments, in step S110, the line spacing of anti-false sign plate line is greater than or equal to 0.02mm, laser
In the range of the line spacing, accurate laser carving can be carried out, and it is too small and collapsed during laser carving to be unlikely to line spacing
Side phenomenon eventually leads to the distortion of anti-false sign plate line and cannot achieve anti-fake.
It should be noted that in step S130, the laser that laser equipment is sent out is ultraviolet laser, the hot spot of ultraviolet laser
Size can be controlled in 10um, and when to utilize laser to laser carving anti-false sign plate line, it is small-pitch anti-fake can to meet line
The processing of mark plate line needs, and the texture processed is more fine, effectively improves anti-counterfeiting performance.In the embodiment, using wave
The ultraviolet nanosecond laser of long ranging from 340nm~370nm, generating TRANSIENT HIGH TEMPERATURE in focal point using laser makes mold materials vapour
Change, to achieve the purpose that laser laser carving.The ultraviolet laser can directly be sent out by ultraviolet nanosecond laser, for example, using
Wavelength is the ultraviolet nanosecond laser shoot laser beam of 355nm, directly by laser beam focus in the machined surface of boss.Certainly,
The position that laser focus point can be controlled by high-precision high-speed galvanometer, so as to it is quick, accurately on mold materials plus
Work goes out anti-false sign plate line.In addition, the maximum power of the ultraviolet nanosecond laser is limited in 4W, to avoid laser energy excessive
And lead to mold materials laser carving excessive velocities, it eventually leads to laser carving depth and laser carving line width is difficult to control.
Step S110 further comprises：
Pass through anti-counterfeiting design Software for Design anti-false sign plate line；Specifically, anti-counterfeiting design software can be upright hyperline
(Superline), safe version line of tiger carving (Strkes), illiteracy etc., can be soft by anti-counterfeiting design for the anti-fake of different type product
Part is according to actual needs and the different anti-false sign plate line of the anti-fake printing Position Design of product.
It after the design for completing anti-false sign plate line, needs to export the map file used for laser equipment, to subsequently will
When the map file imports laser equipment, laser equipment can carry out laser carving according to map file to boss.
Specifically in the present embodiment, step S130 further comprises：
Anti-fake map file generated in step S110 is imported into the laser equipment, and laser is focused on into waiting for for boss
Machined surface；So that boss is in the focal point of laser, anti-fake line is formed to be vaporized under the action of laser energy.
Laser equipment to boss carry out laser carving during, to laser carving at blow inert gas, to avoid mold material
Material reacts under conditions of heated with air, the machining accuracy of security pattern is ensured, to improve antifalse effect.
In some embodiments, mold materials include stainless steel, to utilize the higher characteristic of stainless steel hardness, are improved
Stability of pressing mold during follow-up transfer, can continue to print anti-false sign on more products.
Correspondingly, the present invention also provides a kind of transfers carrying out printing transfer using pressing mold made from above-mentioned processing method
Method, the transfer method include the following steps：
Step S210, the burr that laser carving on pressing mold is generated are removed, are influenced by burr in transfer process to avoid pressing mold
And causing the anti-false sign profile of printing unintelligible, the anti-false sign that the pressing mold handled by burr is transferred has preferable anti-
Pseudo- effect.In the embodiment, deburring processing can be carried out to pressing mold by tools such as wool wheels, using simplicity, and unhairing
It is preferable to pierce effect.In addition, during deburring, throw except amount will keep uniform, to maintain good transferring effect.
Step S220 to going the pressing mold of flash removed to clean, and air-dries pressing mold after the completion of cleaning, to avoid
Remaining burr clast influences the transferring effect of pressing mold.
In the embodiment, ultrasonic wave may be used to going the pressing mold of flash removed to clean, so as to utilize ultrasound
The vibration performance of wave washes the burr that pressing mold is not completely exfoliated in removing burring process, has preferable cleaning effect.
In pressing mold after over cleaning, high pressure air rifle may be used, pressing mold is air-dried, specifically, the processing of high pressure air rifle alignment pressing mold
Surface carries out mobile blowing, and this mode not only air-dries comparatively fast, meanwhile, the powerful wind-force of high pressure air rifle can effectively will likely
The clast for remaining in stamper surface is blown off, so that pressing mold transfers on the product of anti-false sign to be printed in operation, Neng Gougao
Quality anti-false sign plate escutcheon brush is transferred on product, improves the antifalse effect of product.
Step S230 will be heated to preset temperature through air-dried pressing mold, and it is to be printed anti-fake so that pressing mold is compressed with preset pressure
Anti-false sign plate line on pressing mold is transferred to the product by the product of mark.
It should be noted that when due to processing pressing mold by the way of laser laser carving, unsuitable too deep, the too deep appearance of laser carving depth
The surface for easily leading to mold materials is heated and forms gap, influences the machining accuracy of anti-false sign plate line, thus, using the present invention
The texture of pressing mold made from processing method, anti-false sign plate line, so being imprinted by the way of heating, can be obtained than shallower
Obtain preferable transferring effect.In addition, when being transferred on different product, since the material of different product has temperature and pressure
Different performance, to which in actual production, preset temperature and preset pressure are set in advance according to the needs actually imprinted
Fixed, for example, it is that material of metal product itself has higher hardness and heat resistance that coining is carried out on metal product, because
This, needs that higher preset temperature and larger preset pressure is arranged.
The control of temperature and pressure about pressing mold, may be used temperature control sensor and pressure sensor is monitored, and use
It can be directly arranged in inside pressing mold in such as heating rod heating structure of heating, so that heating effect is preferable.In addition, pressure
Mould can be arranged in the mobile mechanisms such as mechanical arm, can be with so that pressing mold is after the product for touching anti-false sign to be printed
Continue that pressing mold is driven to compress product, the anti-false sign plate line on pressing mold is transferred on product so that product has preferable anti-
Pseudo- performance avoids copying.
In some embodiments, in step S230, when pressing mold compresses product, pressing mold is made to push against product using ultrasonic wave
Microseism realizes preferable transfer so that the anti-false sign plate line on pressing mold is easier indentation product under the action of microseism
Effect.
Specific in present embodiment, step S230 further comprises：
Pressing mold compresses product and presses to the first depth；
Ultrasonic wave is opened, during pressing mold compresses product and presses to the second depth, ultrasonic wave carries out pressing mold micro-
Shake；
Ultrasonic wave is closed, after pressing mold continues to compress product and presses to third depth, separation pressure die and product are completed to turn
Print；
Wherein, first depth ＜ the second depth ＜ third depth.
It should be noted that the first depth, the second depth and third depth indicate pressing mold phase since rigid contact product
To the depression distance of product, in other words, in the rigid contact product of pressing mold, the depth of the anti-false sign plate line indentation product on pressing mold
Almost nil, to continue lower die pressing product with pressing mold, anti-false sign plate line is gradually pressed into product and prints out phase on product
The anti-false sign answered, therefore, anti-false sign plate of the pressing mold since rigid contact product in the depression distance and pressing mold of opposing product
Line is pressed into the deep equality of product.
In the embodiment, since pressing mold has divided three phases during transfer, specifically, first stage, pressing mold
Product is compressed without ultrasonic activation and presses to the first depth, that is to say, that after completing the first stage, anti-false sign plate line is
Through being pressed into product, to wait for that ultrasonic activation compresses product and during press to the second depth in second stage pressing mold, pressure
Mould will not cause anti-false sign plate line offset error occur because of microseism, and then ensure the precision of coining, further, since super
Under the microseism effect of sound wave, the indentation product that anti-false sign plate line is more prone to deepens the trace of the anti-false sign on product, increases
Strong antifalse effect.In phase III, in the case where closing ultrasonic wave, pressing mold continues to compress product and presses to third depth,
On the one hand the trace of the anti-false sign on product can further be deepened；On the other hand, due to shaking in second stage band ultrasonic wave
In dynamic moulding process, the impression on product may be influenced by ultrasonic activation and occur it is fluffy, to pass through the phase III
Without the compression under ultrasonic activation, the impression of the anti-false sign on product can be compressed, eliminate impression occur it is fluffy to anti-
The harmful effect of pseudo- effect.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of processing method of anti-fake pressing mold, which is characterized in that the processing method includes the following steps：
Step S110 designs the anti-false sign plate line with micro texture, refractive power effect, generates anti-fake map file；
Step S120 requires according to the shape size of the anti-false sign plate line, it is big that required size is processed on mold materials
Small boss；
Step S130, laser equipment carry out laser carving according to the anti-fake map file to the boss, and obtaining has the anti-false sign
The pressing mold of plate line.
2. the processing method of anti-fake pressing mold according to claim 1, which is characterized in that the surface roughness Ra of the boss
Less than 0.6um.
3. the processing method of anti-fake pressing mold according to claim 1, which is characterized in that described anti-in the step S110
The line spacing of pseudo- mark plate line is greater than or equal to 0.02mm.
4. the processing method of anti-fake pressing mold according to claim 1, which is characterized in that described to swash in the step S130
Light device is the ultraviolet nanosecond laser that wave-length coverage is 340nm~370nm；The maximum power of the ultraviolet nanosecond laser is
4W。
5. the processing method of anti-fake pressing mold according to claim 1, which is characterized in that the step S110 is further wrapped
It includes：
Pass through anti-counterfeiting design Software for Design anti-false sign plate line；
After the completion of design, the anti-false sign plate line is exported, forms the anti-fake map file used for the laser equipment.
6. the processing method of anti-fake pressing mold according to claim 1, which is characterized in that the step S130 is further wrapped
It includes：
The anti-fake map file generated in step S110 is imported into the laser equipment, and the laser is focused on into the boss
Face to be processed；
The laser equipment to boss carry out laser carving during, to laser carving at blow inert gas.
7. according to the processing method of the anti-fake pressing mold of claim 1-6 any one of them, which is characterized in that the mold materials packet
Include stainless steel.
8. a kind of transfer side carrying out printing transfer using pressing mold made from the processing method as described in claim any one of 1-7
Method, which is characterized in that the transfer method includes the following steps：
Step S210, the burr that laser carving on the pressing mold is generated remove；
Step S220 to going the pressing mold of flash removed to clean, and air-dries pressing mold after the completion of cleaning；
Step S230 will be heated to preset temperature through air-dried pressing mold, and it is to be printed anti-fake so that the pressing mold is compressed with preset pressure
Anti-false sign plate line on the pressing mold is transferred to the product by the product of mark.
9. transfer method according to claim 8, which is characterized in that in step S230, the pressing mold compresses the production
When product, pressing mold is set to push against the product microseism using ultrasonic wave.
10. transfer method according to claim 9, which is characterized in that the step S230 further comprises：
The pressing mold compresses the product and presses to the first depth；
The ultrasonic wave is opened, during the pressing mold compresses the product and presses to the second depth, the ultrasonic wave
Microseism is carried out to the pressing mold；
Close the ultrasonic wave, after the pressing mold continues to compress the product and presses to third depth, detach the pressing mold and
The product completes transfer；
Wherein, third depth described in the second depth ＜ described in the first depth ＜.
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| CN201810297636.5A CN108583043B (en) | 2018-03-30 | 2018-03-30 | Processing method and transfer printing method of anti-counterfeiting pressing die |
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| CN201810297636.5A CN108583043B (en) | 2018-03-30 | 2018-03-30 | Processing method and transfer printing method of anti-counterfeiting pressing die |
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| CN108583043B CN108583043B (en) | 2020-11-03 |
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| CN111993806A (en) * | 2020-08-21 | 2020-11-27 | 东莞市欧之可环保包装科技有限公司 | Novel anti-counterfeiting manufacturing device and method for packing belt |
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| Publication number | Publication date |
|---|---|
| CN108583043B (en) | 2020-11-03 |
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