CN105269992B - A kind of two-sided moulding press - Google Patents
A kind of two-sided moulding press Download PDFInfo
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- CN105269992B CN105269992B CN201510868939.4A CN201510868939A CN105269992B CN 105269992 B CN105269992 B CN 105269992B CN 201510868939 A CN201510868939 A CN 201510868939A CN 105269992 B CN105269992 B CN 105269992B
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Abstract
The invention discloses a kind of two-sided moulding press, particularly, including the first moulding system and the second moulding system；The first roller and the first rubber roller for compression moulded film material are equipped in first moulding system；The second roller and the second rubber roller for compression moulded film material are equipped in second moulding system；The film overturning system for overturning thin-film material mold pressing surface is additionally provided between first moulding system and the second moulding system.Registration of the present invention, deformation of thin membrane is small in production process, flatness is good, and film produced can achieve high quality requirement.
Description
Technical field
The present invention relates to optical anti-counterfeiting and packing technique fields, more particularly, to a kind of two-sided moulding press.
Background technique
It is that the end of last century is Chinese from U.S.'s introduction that holographic laser image technique is applied earliest on plastic coating film
's.The principle is as follows: holographic laser image is imaged in photoetching glass coating version by the method for taking pictures or photoetching process, then passes through electricity
Casting copies to hologram image thereon in metallic nickel version, is about then 15~80 μm with holographic laser figure thickness
The metallic nickel version of picture is fitted in the roller of holographic laser moulding press as molding version, and coated film posts molding what is be heated
Passing through in the roller of version, side roller pressurizes to coated film to roller, the hologram image in molding version is impressed on coated film,
To be fabricated to coiled holographic laser (anti-fake) packing plastics film.
However, extrusion press currently used in the market is for single plate roll-in print or double rollers by imprinting, and double rollers
Coining it is general all can only the single side to plastic film successively imprinted twice, need again to remove plastic film after primary coining
It is transported in unwinding system, plastic film carrying is cumbersome, the production efficiency of film is influenced, moreover, the coining of this hologram image, right
The positioning accuracy request of plastic film two sides figure is very high, and the position for being stamped in the hologram image of coated film front and back sides respectively is missed
Difference need to be less than 0.1mm, and current extrusion press is difficult to meet required precision.
For this reason, it is necessary to study a kind of positioning more accurately moulding press.
Summary of the invention
The purpose of the present invention is to provide a kind of energy compression moulded film material front and back sides and the two-sided moulding press of energy exactitude position.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of two-sided moulding press, particularly, including the first moulding system and the second moulding system；It is set in first moulding system
There are the first roller and the first rubber roller for compression moulded film material；The for compression moulded film material is equipped in second moulding system
Two rollers and the second rubber roller；It is additionally provided between first moulding system and the second moulding system for overturning thin-film material mold pressing surface
Film overturns system.
The principle of the present invention is as follows:
This moulding press can be used for the two-sided molding of thin-film material, especially PET film.Under normal circumstances, thin-film material needs
By unwinding system, constant tension system, traction roller system and a series of deflector rolls, the eccentric roller that are disposed there between etc. preceding
Then device enters back into film overturning system.In film overturning system, the mold pressing surface of thin-film material (i.e. thin-film material with
The face that first roller or the second roller are in contact) by positive mold pressing surface overturning be reversed mold pressing surface, and enter the first moulding system.
The front of first rubber roller attaching film material, and the reverse side of thin-film material is pressed together in the first roller and carries out laser molding, it allows
Reverse side embossed holographic pattern of first roller in thin-film material.Then, thin-film material is in film overturning system, mold pressing surface by
Reverse side overturning is front and enters trailer system.Under the guiding of trailer system, thin-film material enters the second moulding system.And it is thin
After membrane material enters the second moulding system, the reverse side of the second rubber roller attaching film material, and the front of thin-film material is pressed together on
In second roller, the second roller is molded out hologram pattern in the front of thin-film material, makes thin-film material can be in a moulding press
It is middle to realize two-sided molding, to form unique optical effect on thin-film material.
For the overturning for realizing thin-film material mold pressing surface, film overturns system by several for overturning thin-film material mold pressing surface
Deflector roll constitute.In film overturning system, thin-film material passes sequentially through each deflector roll, realizes the mold pressing surface of thin-film material positive
The switching process of the reversed mold pressing surface-forward direction mold pressing surface of mold pressing surface-.
Because of the front and back sides of this moulding press while compression moulded film material, the hologram pattern being embossed on thin-film material front and back sides must
So there are alignment issues.If hologram pattern on thin-film material front and back sides can not exactitude position, thin-film material will be unable to form phase
The optical effect answered.Thus, to guarantee the trap pattern energy exactitude position on thin-film material front and back sides, can be equipped in this moulding press
Regulating system.Along film direction of travel, which is located at the upstream of the second moulding system；The regulating system includes that positioning is adjusted
Save roller and driving device；The driving device is equipped with the movement portion that can be moved forward and backward with respect to the second moulding system, positions regulating roller
It is mounted in the movement portion.Before thin-film material enters the second moulding system, regulating system will be entered.According to the contraposition of thin-film material
Situation, driving device will drive positioning regulating roller to be moved forward and backward with respect to the second moulding system, to make on thin-film material front and back sides
Trap pattern energy exactitude position.
For the positioning accuracy for improving regulating system, it further, in the first roller can be equipped with several and be used in film material
The target icon of calibration point is formed on material, the target icon along the first roller circumferentially；First moulding system and the second molding
At least one detection light source and at least one detection light source receiving device corresponding with detection light source can be also equipped between system；It should
Detecting light source receiving device includes receiving transducer and computer system, which connect with computer system data；Driving
Device is connect with computer system data；The light beam that the detection light source issues is radiated on film, the calibrated point reflection of the light beam
To receiving transducer and it is received probe reception, then the receiving transducer generates a signal and the signal is transmitted to department of computer science
System, computer system carry out data processing to the impingement rate, generate a control signal for being used to control driving device working status,
The movement portion for controlling driving device is mobile.
When thin-film material passes through the first roller, the target icon will extrude several calibration points on thin-film material.The positioning
The quantity of icon can be one or more, and multiple the target icons should be along the first roller circumferentially.The target icon can be straight
It connects and is formed in the first roller, the template that patch has the target icon can also be rolled up in the first roller.Then, thin-film material again into
Enter the second moulding system, the detection light source positioned at the second roller upstream issues light beam and is radiated on film, and the calibrated point of light beam is anti-
It is incident upon receiving transducer and is received probe and receive, then the receiving transducer generates a signal and the signal will be transmitted to computer
System.The signal can be the letter of pulse signal or other whether calibrated point reflections of light beam that can be issued with recognition detection light source
Number.Computer system carries out data processing to the signaling rate.If the signal that computer system discovery receiving transducer is transmitted is discontented
Sufficient predetermined condition, computer system issue control signal immediately, and control driving device movement drives positioning regulating roller with respect to the
Two moulding systems are moved forward and backward, and so as to adjust the length of thin-film material between two moulding systems, make to detect the light beam that light source issues
It can fall on the calibration point of thin-film material；If the signal that computer system discovery receiving transducer is transmitted meets presetting item
Part, thin-film material enter the second moulding system, after UV material is added to the front of thin-film material by UV material feeding device, film
Material enters the second roller and carries out second of molding, and the laser pattern in the second roller is being crushed on thin-film material just immediately
Face, at the same time, the cure lamp below the second roller expects the UV on timely drying film, completes the radium-shine of thin-film material
Molding processing.
Registration of the present invention, deformation of thin membrane is small in production process, flatness is good, and film produced can achieve high-quality
Amount requires.
Detailed description of the invention
Fig. 1 is the schematic diagram of moulding press in the embodiment of the present invention 1；
Fig. 2 is the schematic diagram of the target icon in the embodiment of the present invention 1；
Fig. 3 is to detect light source in the embodiment of the present invention 1 and detect the schematic diagram of light source receiving device；
Fig. 4 is the schematic diagram of moulding press in the embodiment of the present invention 2.
Description of symbols: 1- unreels air-expanding shaft；2- tension-sensing roller；3- deflector roll；4- draws chill roll；5- draws moulding
Roller；The first roller of 6-；The first rubber roller of 7-；The second roller of 8-；The second rubber roller of 9-；10- draws twist rollers；11- dandy roll；12-
One deflector roll；The second deflector roll of 13-；14- third deflector roll；The 4th deflector roll of 15-；16- positions regulating roller；17- hydraulic cylinder；18- guide rod；
19- detects light source；20- receiving transducer；21- the target icon.
Specific embodiment
Invention is further explained with reference to the accompanying drawings and examples.
Embodiment 1:
Laser molding press as shown in Figs. 1-3, including unwinding system, the first moulding system, film overturning system, traction system
System, regulating system, the second moulding system and winding system, wherein if unwinding system by unreel air-expanding shaft 1, tension-sensing roller 2 and
Dry deflector roll 3 is constituted, and thin-film material, which is mounted on, to be unreeled on air-expanding shaft 1；Trailer system then includes traction chill roll 4 and traction moulding
Roller 5, the thin-film material that traction chill roll 4 can come out the first moulding system is fully cooled, is qualitative, to make thin-film material
It is upper formed stable version away from.
In the present embodiment 1, the first moulding system includes the first roller 6, the first rubber roller 7, and metal nickel plate installs the first roller 6
On.Second moulding system then includes the second roller 8 and the second rubber roller 9, and another metal nickel plate is mounted in the second roller 8.
Film overturning system then includes traction twist rollers 10 and 3 groups of deflector roll, wherein traction twist rollers 10 is in the first roller
6 and second between roller 8 and are located at the lower section of the first roller 6；Along thin-film material direction of travel, the upstream for drawing twist rollers 10 is set
There is the dandy roll 11 that opposite can be drawn twist rollers 10 and be moved forward and backward；3 groups of deflector roll include the first deflector roll 12 set gradually, second lead
Roller 13, third deflector roll 14 and the 4th deflector roll 15；First deflector roll 12 is between the first roller 6 and traction twist rollers 10 and is located at
The top of first roller 6；Second deflector roll 13 is between the first roller 6 and the first rubber roller 7 and is located under the first roller 6
Side；The third deflector roll 14 is in the first roller 6 farthest away from the side of the first rubber roller 7；4th deflector roll 15 be in the first roller 6 with
Top between first rubber roller 7 and positioned at the first roller 6.
By taking mould pressing double-face coating PET film as an example, before PET film enters moulding press, the first moulding system and the second molding system
System should complete preparation: holographic metal nickel plate is by 3M strong high-temperature sticking double faced adhesive tape in the first roller 6 and the second roller 8
On, two pieces of holographic equal photoetching of metal nickel plate in the first roller 6 and the second roller 8 have hologram pattern, and this two blocks holographic metals
Hologram pattern position in nickel plate is corresponding.It is passed through hydrothermal solution in first roller 6 and the second roller 8, makes the metal nickel plate in two rollers
It is warming up to 100~200 DEG C.
The parameters such as size, spacing according to optical microstructures in optics nickel plate, choose the PET film of suitable thickness, and should
Coated on both sides PET film, which is mounted on, to be unreeled on air-expanding shaft 1.By unwinding system, PET film is put down in the state of keeping tension steady
Site preparation enters film overturning system.In film overturning system, thin-film material passes sequentially through traction twist rollers 10, the first deflector roll
12, the mold pressing surface of thin-film material is reversed mold pressing surface by the overturning of positive mold pressing surface.Then, PET film enters the first moulding system, the
The reversed mold pressing surface of PET film close to the first roller 6 and is pressed together on by one rubber roller 7 under the drive of hydraulic device or pneumatic device
In first roller 6.First roller 6 is molded in the reversed mold pressing surface of PET film immediately.
After PET film comes out from the first roller 6, that is, enter the second deflector roll 13 for being located at the lower section of the first roller 6, and pass sequentially through
Third deflector roll 14 and the 4th deflector roll 15 overturn the mold pressing surface of PET film for positive mold pressing surface by reversed mold pressing surface.Then, PET film
Into trailer system, traction dandy roll 5 is pressed with traction chill roll 4 and is sufficiently cooled to PET film, and makes PET film
Sizing, stablize PET film version away from.Then, PET film enters the second moulding system.
In the second moulding system, the second rubber roller 9 is under the drive of hydraulic device or pneumatic device, close to the second roller 8
And the positive mold pressing surface of PET film is pressed together in the second roller 8.Second roller 8 carries out mould in the positive mold pressing surface of PET film immediately
Pressure, so that the positive mold pressing surface of PET film and reversed mold pressing surface be made to complete molding in same moulding press, film surface forms unique
3D optical effect.The PET film come out from the second moulding system is wound by winding system, and entire production process is tied immediately
Beam.
Embodiment 2:
The present embodiment 2 difference from example 1 is that, in the present embodiment 2, as shown in figure 4, trailer system and second
Regulating system is additionally provided between moulding system.The regulating system includes positioning regulating roller 16 and hydraulic cylinder 17, wherein hydraulic cylinder 17
As driving device, piston rod is connected with positioning regulating roller 16, makes positioning regulating roller 16 can be with respect to before and after the second moulding system
It is mobile.In addition, regulating system further includes a guide rod 18, which is in the top of the second roller 8.It is installed on the guide rod 18
There are a detection light source 19 and a detection light source receiving device corresponding with detection light source 19, the detection light source receiving device packet
Receiving transducer 20 and computer system are included, which connect with computer system data；Hydraulic cylinder 17 and department of computer science
System data connection；Detection light source 19 and receiving transducer 20 can be slided along the longitudinally opposed guiding of guide rod 18.In addition, in the present embodiment 2,
Also volume pastes the template with the target icon 21 in first roller 6.The template is equipped with 1 the target icon 21.PET film enters first
When moulding system is molded, the target icon 21 in the first roller 6 can be molded out several schools in the reversed mold pressing surface of PET film
On schedule, the distance between each calibration point is equal.
When PET film passes through regulating system, the detection light source 19 in regulating system issues light beam toward coated on both sides PET film,
The light beam irradiates on a pet film.Receiving transducer 20 of the calibrated point reflection of light beam into regulating system is simultaneously received probe 20 and connects
It receives, then the receiving transducer 20 will generate a pulse signal and by the pulse signal transmission to computer system, computer system
Data processing is carried out to the pulse signal.If computer system finds that the pulse signal does not meet predetermined condition, department of computer science
System issues control signal immediately, and control hydraulic cylinder 17 acts, and positioning regulating roller 16 is driven to be moved forward and backward with respect to the second moulding system,
Until the light beam that detection light source 19 issues can be fallen on the calibration point of thin-film material,.Coated on both sides PET film adjusted enters
Second moulding system is molded.
What this specification was enumerated is only the better embodiment of this patent, all institutes under the working principle and thinking of this patent
The equivalent technologies transformation done, is accordingly to be regarded as the protection scope of this patent.
Claims (2)
1. a kind of two-sided moulding press, it is characterized in that: including the first moulding system and the second moulding system；First moulding system
In be equipped with for compression moulded film material the first roller and the first rubber roller；It is equipped in second moulding system and is used for compression moulded film
The second roller and the second rubber roller of material；It is additionally provided between first moulding system and the second moulding system for overturning film
The film of material mold pressing surface overturns system；It further include regulating system；Along film direction of travel, the regulating system is located at the second mould
The upstream of pressure system；The regulating system includes positioning regulating roller and driving device；The driving device is equipped with can be with respect to the
The movement portion that two moulding systems are moved forward and backward, the positioning regulating roller are mounted in the movement portion；First roller is equipped with
Several on thin-film material formed calibration point the target icon, described the target icon along the first roller circumferentially；Institute
State between the first moulding system and the second moulding system can also be equipped at least one detection light source and at least one and detect light source
Corresponding detection light source receiving device；The detection light source receiving device includes receiving transducer and computer system, the reception
Probe is connect with computer system data；The driving device is connect with computer system data；What the detection light source issued
Light beam is radiated on film, and the calibrated point reflection of light beam to receiving transducer is simultaneously received probe reception, the then reception
Probe generates a signal and the signal is transmitted to computer system, and computer system carries out data processing to the signal, generates
One for controlling the control signal of driving device working status, and the movement portion for controlling driving device is mobile.
2. two-sided moulding press according to claim 1, it is characterized in that: film overturns system by several for overturning film
The deflector roll of material mold pressing surface is constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510868939.4A CN105269992B (en) | 2015-11-30 | 2015-11-30 | A kind of two-sided moulding press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510868939.4A CN105269992B (en) | 2015-11-30 | 2015-11-30 | A kind of two-sided moulding press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105269992A CN105269992A (en) | 2016-01-27 |
| CN105269992B true CN105269992B (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510868939.4A Active CN105269992B (en) | 2015-11-30 | 2015-11-30 | A kind of two-sided moulding press |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110154519A (en) * | 2019-06-20 | 2019-08-23 | 山东泰宝包装制品有限公司 | Rotary high-precision holographic hard press |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100382964C (en) * | 2005-11-04 | 2008-04-23 | 湖北创基科技股份有限公司 | Double sided holographic molding press with adjustable laser |
| CN201097104Y (en) * | 2007-09-30 | 2008-08-06 | 吴小华 | Full information presser |
| CN204641064U (en) * | 2015-05-21 | 2015-09-16 | 浙江富晟新材料科技有限公司 | The radium-shine PET moulding press of wide cut |
| CN205185596U (en) * | 2015-11-30 | 2016-04-27 | 佛山市南海区三简包装有限公司 | Two -sided moulding press |
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| CN105269992A (en) | 2016-01-27 |
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Address after: 528000 One of 13 Fenghuang Avenue, Nanhai National Eco-industrial Demonstration Park, Danzao Town, Nanhai District, Foshan City, Guangdong Province Applicant after: Foshan three Jian Packing Co., Ltd. Address before: 528000 No. 6, C District, Yanbu Lu Bian Industrial Zone, Nanhai District, Foshan, Guangdong. Applicant before: Foshan Nanhai District Sanjan Packing Machinery Co., Ltd. |
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