CN205768156U - A kind of novel two-sided moulding press - Google Patents
A kind of novel two-sided moulding press Download PDFInfo
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- CN205768156U CN205768156U CN201520977383.8U CN201520977383U CN205768156U CN 205768156 U CN205768156 U CN 205768156U CN 201520977383 U CN201520977383 U CN 201520977383U CN 205768156 U CN205768156 U CN 205768156U
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Abstract
The utility model discloses a kind of novel two-sided moulding press, including the first moulding system and the second moulding system；Particularly, the first moulding system is UV moulding system, is provided with the first roller for thin-film material carries out UV mold pressing in this first moulding system；Second moulding system is hot moulding system, is provided with the second roller for laminated film carries out hot moulding in this second moulding system；It is additionally provided with between this first moulding system and second moulding system for adjusting the regulation system of thin-film material length between this two moulding system.This utility model registration, in production process, deformation of thin membrane is little, flatness good, and the thin film produced can reach high-quality requirement.
Description
Technical field
This utility model relates to optical anti-counterfeiting and packing technique field, especially relates to a kind of novel two-sided moulding press.
Background technology
It is that eighties of last century introduces China from the U.S. latter stage the earliest that holographic laser image technique is applied on plastic coating thin film.Its principle is as follows: holographic laser image is by the method for taking pictures or photoetching process, image in photoetching glass coating version, by electrocasting, hologram image thereon is copied in metallic nickel version again, then the metallic nickel version with holographic laser image of thickness about 15～80 μm is fitted in the roller of holographic laser moulding press as molding version, coated film passes through in the heated roller posting mold pressing version, coated film is pressurizeed by limit roller to roller, the hologram image molded in version is impressed on coated film, thus it is fabricated to holographic laser (false proof) the packing plastics thin film of rolling.
But, the extrusion press used in the market or UV moulding press are all single use.When operator need to print forward and reverse mold pressing surface of plastic sheeting, generally require and use extrusion press and UV moulding press respectively.But, plastic sheeting carrying is loaded down with trivial details, affect the production efficiency of thin film, and, the impressing of this hologram image, the highest to the positioning accuracy request of plastic sheeting both sides figure, the site error of the hologram image being stamped in the forward and reverse mold pressing surface of coated film respectively need to be less than 0.1mm, extrusion press and UV moulding press and be used alone and be difficult to meet required precision, but, if extrusion press and UV moulding press use simultaneously, between two moulding presss, also equally exist positioning precision problem.
For this reason, it is necessary to research one location laser molding press the most accurately.
Utility model content
The purpose of this utility model is to provide a kind of energy forward and reverse mold pressing surface of compression moulded film material the New-type mould press of energy exactitude position.
To achieve these goals, this utility model adopts the following technical scheme that
A kind of novel two-sided moulding press, including the first moulding system and the second moulding system；Particularly, the first moulding system is UV moulding system, is provided with the first roller for thin-film material carries out UV mold pressing in this first moulding system；Second moulding system is hot moulding system, is provided with the second roller for laminated film carries out hot moulding in this second moulding system；Walking to expect direction along thin film, described first moulding system is positioned at the upstream of described second moulding system；It is additionally provided with between this first moulding system and second moulding system for adjusting the regulation system of thin-film material length between this two moulding system.
Principle of the present utility model is as follows:
This moulding press can be used for thin-film material, especially the two-sided mold pressing of PET film.Generally, thin-film material needs through unreeling system, constant tension system, carry-over pinch rolls system and a series of deflector rolls being disposed there between, eccentric roller etc. at front device, then enter back into the first roller to mold, allow the first roller at the reverse mold pressing surface embossed holographic pattern of thin-film material.And after thin-film material enters the second moulding system, second roller i.e. molds out hologram pattern at the direct die pressure surface of thin-film material, make thin-film material can realize hot moulding and the two-sided mold pressing of UV mold pressing in a moulding press, thus on thin-film material, form the optical effect of uniqueness.
Because of direct die pressure surface and the reverse mold pressing surface of this moulding press compression moulded film material simultaneously, the hologram pattern being embossed in the forward and reverse mold pressing surface of thin-film material certainly exists alignment issues.If the hologram pattern in the forward and reverse mold pressing surface of thin-film material cannot exactitude position, thin-film material will be unable to form corresponding optical effect.And in this moulding press, thin-film material is by after the first roller, by entrance regulation system.According to the alignment situation of thin-film material, regulation roller in drive location is moved forward and backward by driving means relative to the second moulding system, so that the trap pattern energy exactitude position in the forward and reverse mold pressing surface of thin-film material.
This regulation system can include location regulation roller and driving means；This driving means is provided with before being positioned at the second moulding system and the energy motion portion that thin film is movable relatively, and location regulation roller is arranged in this motion portion.Location regulation roller is driven to move by driving means, the location regulation securable thin-film material of roller, thus adjust the length of thin-film material between the first moulding system and the second moulding system.
For ensureing the trap pattern energy exactitude position in the forward and reverse mold pressing surface of thin-film material, the first roller can be provided with several for the target icon forming calibration point on thin-film material, this target icon is along the first roller circumferentially；Also can be provided with between first moulding system and the second moulding system at least one detection light source and at least one with detect detection light source receiving device corresponding to light source；This detection light source receiving device includes receiving transducer and computer system, and this receiving transducer is connected with computer system data；Driving means is connected with computer system data；The light beam that this detection light source sends is radiated on thin film, the calibrated point reflection of this light beam receives to receiving transducer and by receiving transducer, then this receiving transducer produces a signal and transmits this signal to computer system, computer system carries out data process to this signal, producing a control signal being used for controlling driving means duty, the motion portion controlling driving means moves.
When thin-film material is by the first roller, the target icon will extrude several calibration points on thin-film material.This target icon can be formed directly in the first roller, it is also possible in the first roller, volume patch has the template of the target icon.Subsequently, thin-film material enters back into the second moulding system, it is positioned at the detection light source of the second roller upstream to send light beam and be radiated on thin film, the calibrated point reflection of light beam receives to receiving transducer and by receiving transducer, then this receiving transducer produces a signal and transmits this signal to computer system, and computer system carries out data process to this impingement rate.This signal can be pulse signal or the signal of other the most calibrated point reflections of light beam that can send with recognition detection light source.If computer system finds that the signal that receiving transducer is transmitted is unsatisfactory for predetermined condition, computer system sends control signal immediately, control driving means action, location regulation roller is driven to move forward and backward relative to the second moulding system, thus adjusting the degree of drawing of thin-film material, the light beam making detection light source send all can fall on the calibration point of thin-film material；If computer system finds that the signal that receiving transducer is transmitted meets predetermined condition, thin-film material i.e. enters the second moulding system and molds.
In the first moulding system, before thin-film material enters the first roller, through UV material feeding device, UV material will be added to the direct die pressure surface of thin-film material, thin-film material i.e. enters the first roller and molds, laser pattern in first roller is crushed on the direct die pressure surface of thin-film material immediately, at the same time, it is positioned at the UV material that the cure lamp below the first roller will be dried on thin film in time, completes the laser molding processing of thin-film material.
Thin-film material is when the first moulding system molds, and the UV charging system being positioned at the first roller upstream can drench last layer UV coating on the face of thin-film material, in order to the UV coating on face is molded by the first roller and the second roller.This UV charging system can include batch can, delivery pump, shower nozzle, air bleeding valve, relief valve and counterbalance valve, and batch can is provided with inlet and liquid return hole；Inlet passes through pipeline, is sequentially communicated air bleeding valve, delivery pump, counterbalance valve and shower nozzle, constitutes UV and expects feeding-passage；Inlet passes through pipeline, is sequentially communicated air bleeding valve, delivery pump, relief valve and liquid return hole, constitutes UV and expects feed back passage.Expecting that feeding-passage, UV material i.e. may be added to that the direct die pressure surface of thin film by UV, counterbalance valve can effectively control the flow of feeding-passage, and air bleeding valve can ensure that the pressure in pipeline maintains in suitable pressure limit；Feed back passage is expected by UV, reflowable to batch can beyond the UV material of flow in UV material feeding-passage, significantly alleviate the pressure in pipeline.For making UV material uniformly to carry, also can be provided with the blade of UV material in stirring batch can in batch can, this blade is connected with the motor being positioned at batch can top by connecting shaft.
Thin-film material after first edition roller die pressure, by by being positioned at the cure lamp below the first roller, makes the UV curing of coatings after mold pressing shape.For ensureing the drying efficiency of cure lamp, making the material of the UV on thin-film material to be oven-dried in time, the shortest vertical dimension L between cure lamp and the first roller in the range of 8～50mm, thus can ensure the UV material that cure lamp can be dried the most rapidly on thin-film material.
In order to realize the upset of thin-film material mold pressing surface, (before i.e. thin-film material enters the first roller, the mold pressing surface of thin-film material overturns to reverse mold pressing surface；Before thin-film material enters the second roller, the mold pressing surface of thin-film material overturns to direct die pressure surface), being preferably provided with the thin film upset system for overturning thin-film material between first moulding system and the second moulding system, this thin film upset system can be constituted for overturning the deflector roll of thin-film material mold pressing surface by some.In thin film upset system, thin-film material passes sequentially through each deflector roll, and the mold pressing surface of thin-film material realizes the switching process of direct die pressure surface-reverse mold pressing surface-direct die pressure surface.
This utility model registration, in production process, deformation of thin membrane is little, flatness good, and the thin film produced can reach high-quality requirement.
Accompanying drawing explanation
The schematic diagram of moulding press in Fig. 1 this utility model embodiment 1；
Fig. 2 is the schematic diagram of the target icon in this utility model embodiment 1；
Fig. 3 is to detect light source and the schematic diagram of detection light source receiving device in this utility model embodiment 1；
Fig. 4 is the schematic diagram of UV charging system in this utility model embodiment 2.
Description of reference numerals: 1-unreels air-expanding shaft；2-tension-sensing roller；3-deflector roll；4-draws chill roll；5-dandy roll；6-the first roller；7-the first rubber roll；8-peels off rubber roll；9-UV charging system；10-cure lamp；11-the target icon；12-the second roller；13-the second rubber roll；14-location regulation roller；15-hydraulic cylinder；16-detects light source；17-receiving transducer；18-guide rod；19-the first deflector roll；20-the second deflector roll；21-the 3rd deflector roll；22-the 4th deflector roll；23-batch can；24-delivery pump；25-air bleeding valve；26-relief valve；27-filter；28-flow calibrator；29-ripple damper；30-the first Pressure gauge；31-the second Pressure gauge；32-counterbalance valve；33-inlet；34-liquid return hole；35-blade；36-motor.
Detailed description of the invention
With embodiment, this utility model is further described below in conjunction with the accompanying drawings.
Embodiment 1:
Moulding press as Figure 1-3, including unreeling system, the first moulding system, trailer system, regulation system, the second moulding system and winding system, wherein, the system that unreels is constituted by unreeling air-expanding shaft 1, tension-sensing roller 2 and some deflector rolls 3, and thin-film material is arranged on and unreels on air-expanding shaft 1；Trailer system then includes drawing chill roll 4 and dandy roll 5, and the first moulding system thin-film material out can be carried out sufficiently cool, qualitative by traction chill roll 4 so that formed on thin-film material stable version away from.
In the present embodiment 1, the first moulding system includes first roller the 6, first rubber roll 7, peels off rubber roll 8, UV charging system 9 and cure lamp 10.UV stamped metal plate is installed in the first roller 6, and UV charging system 9 is then responsible for adding UV by the thin-film material of the first roller 6 and expects, cure lamp 10 is then arranged on the lower section of the first roller 6, vertical dimension L=25mm the shortest between cure lamp 10 and the first roller 6.Additionally, also volume patch has the template of the target icon 11 in the first roller 6.This template is provided with 1 the target icon 11.Second moulding system then includes the second roller 12 and the second rubber roll 13, and metal nickel plate is arranged in the second roller 12.
In the present embodiment 1, regulation system then includes location regulation roller 14 and hydraulic cylinder 15, and wherein, hydraulic cylinder 15 is as driving means, and its piston rod is connected with location regulation roller 14, makes regulation roller 14 in location to move forward and backward by relative second moulding system.Additionally, regulation system also includes a guide rod, this guide rod is in the top of the second roller 12.Being provided with a detection light source 16 and a detection light source receiving device corresponding with detection light source 16 on this guide rod, this detection light source receiving device includes receiving transducer 17 and computer system, and this receiving transducer 17 is connected with computer system data；Hydraulic cylinder 15 is connected with computer system data.Detection light source 16 and receiving transducer 17 can slide along longitudinally opposed guiding of guide rod 18.
Thin film upset system is then made up of guide roller set, and guide roller set includes the first deflector roll the 19, second deflector roll the 20, the 3rd deflector roll 21 and the 4th deflector roll 22 set gradually, and wherein, the first deflector roll 19 is between the first roller 6 and the second roller 12 and is positioned at the lower section of the first roller 6；Second deflector roll 20 is between the first roller 6 and the first deflector roll 19 and is positioned at the top of the first roller 6；3rd deflector roll 21 is in first roller 6 side farthest away from the first rubber roll 7；4th deflector roll 22 is between the first roller 6 and the first rubber roll 7 and is positioned at the top of the first roller 6.
As a example by mould pressing double-face coating PET film, in the present embodiment 1, the coating in the reverse mold pressing surface of PET film is for knowing print layer, and this knowledge print layer is for increasing the adhesive force between UV coating and coated on both sides PET film；Coating on PET film direct die pressure surface is contour forging layer, is used for carrying holographic picture information.
Entering before moulding press at PET film, the first moulding system and the second moulding system should complete preparation: the optics nickel plate of the first roller 6 by 3M strong double-face glue in the second roller 12, can be by optical microstructures in this optics nickel plate, such as lenticule etc..It is passed through cold liquid in first roller 6, makes the temperature of optics nickel plate control at 30～60 DEG C；The metal nickel plate of the second roller 12 is by 3M strong high-temperature sticking double faced adhesive tape in the first roller 6, and this metal nickel plate glazing is carved with hologram pattern.It is passed through hydrothermal solution in second roller 12, makes this metal nickel plate be warming up to 100～200 DEG C.
According to parameters such as the size of optical microstructures, spacing in optics nickel plate, choose the PET film of suitable thickness, and PET film is arranged on unreels on air-expanding shaft 1.By unreeling system, PET film, under keeping the stable state of tension force, entirely enters thin film upset system.In thin film upset system, thin-film material passes sequentially through the first deflector roll 19 and the second deflector roll 20, and the mold pressing surface of thin-film material is reverse mold pressing surface by the upset of direct die pressure surface.Subsequently, PET film enters the first moulding system.In the first moulding system, UV charging system 9 will drench last layer UV coating to the reverse mold pressing surface of PET film, and UV charging system 9 can use the most common UV charging system 9.Subsequently, the first rubber roll 7 is under the driving of hydraulic means or pneumatic means, close toward the first roller 6, thus is pressed together in the first roller 6 by the direct die pressure surface of PET film.By the way of the first roller 6 and the first rubber roll 7 are to pressure, coating on PET film direct die pressure surface is molded by the first roller 6, simultaneously, it is positioned at the cure lamp 10 below the first roller 6 and the UV coating after molding is carried out instant solidifying and setting, make to be formed in the reverse mold pressing surface of PET film lenticule figure clearly.At the same time, the target icon 11 in the first roller 6 molds out several calibration points at the reverse side of PET film, and the distance between each calibration point is equal.
PET film from the first roller 6 out after, i.e. by peeling off rubber roll 8, make PET film and the first roller 6 separate, and pass sequentially through the 3rd deflector roll 21 and the 4th deflector roll 22, making the mold pressing surface of PET film is direct die pressure surface by the upset of reverse mold pressing surface.Subsequently, PET film enters trailer system, and traction dandy roll 5 carries out pressing be sufficiently cooled PET film with drawing chill roll 4, and makes PET film shape, stablize the version of PET film away from.Subsequently, PET film will be by regulation system, and the detection light source 16 in regulation system sends light beam toward PET film, and this light beam irradiates on a pet film.The calibrated point of light beam through film reflector to regulation system in receiving transducer 17 and received by receiving transducer 17, then this receiving transducer 17 produces a pulse signal and by this pulse signal transmission to computer system, and computer system carries out data process to this pulse signal.If computer system finds that pulse signal is unsatisfactory for presetting condition, computer system sends control signal immediately, control hydraulic cylinder 15 action, drive location regulation relative second moulding system of roller 14 to move forward and backward, until the light beam that detection light source 16 sends all can fall on the calibration point of thin-film material.PET film after adjustment enters the second moulding system.
In the second moulding system, the direct die pressure surface of PET film, under the drive of hydraulic means or pneumatic means, near the second roller 12 and is pressed together in the second roller 12 by the second rubber roll 13.Second roller 12 molds at the direct die pressure surface of PET film immediately, so that the direct die pressure surface of PET film and reverse mold pressing surface complete to mold in same moulding press, the direct die pressure surface making PET film forms lenticule figure clearly, and the focus of this lenticule figure just falls on the hologram pattern of the reverse mold pressing surface of PET film, so that forming the 3D optical effect of uniqueness on PET film.Carrying out rolling from the second moulding system PET film out by winding system, whole production process terminates immediately.
Embodiment 2:
The present embodiment 2 is with the difference of embodiment 1, in the present embodiment 2, as shown in Figure 4, UV charging system 9 includes batch can 23, delivery pump 24, shower nozzle, air bleeding valve 25, relief valve 26, filter 27, flow calibrator 28, ripple damper the 29, first Pressure gauge the 30, second Pressure gauge 31 and counterbalance valve 32.Batch can 23 is provided with inlet 33 and liquid return hole 34.Also can be provided with the blade 35 of UV material in stirring batch can 23 in batch can 23, this blade is connected with the motor 36 being positioned at batch can 23 top by connecting shaft.
Inlet 33, by pipeline, is sequentially communicated air bleeding valve 25, filter 27, flow calibrator 28, delivery pump 24, ripple damper the 29, first Pressure gauge 30, counterbalance valve 32 and shower nozzle, constitutes UV and expects feeding-passage.UV material flows to shower nozzle by UV material feeding-passage, drenches on the direct die pressure surface of PET film.
Inlet 33, by pipeline, is sequentially communicated air bleeding valve 25, filter 27, flow calibrator 28, delivery pump the 24, second Pressure gauge 31, relief valve 26 and liquid return hole 34, constitutes UV and expects feed back passage.The UV material of excess will be back to batch can 23 by UV material feed back passage.
The better embodiment being only this patent that this specification is enumerated, the equivalent technologies done under all operation principles at this patent and thinking converts, is accordingly to be regarded as the protection domain of this patent.
Claims (5)
1. a novel two-sided moulding press, including the first moulding system and the second moulding system；It is characterized in that: the first moulding system is UV moulding system, this first moulding system is provided with the first roller for thin-film material carries out UV mold pressing；Second moulding system is hot moulding system, is provided with the second roller for laminated film carries out hot moulding in this second moulding system；Walking to expect direction along thin film, described first moulding system is positioned at the upstream of described second moulding system；It is additionally provided with between described first moulding system and the second moulding system for adjusting the regulation system of thin-film material length between this two moulding system；The lower section of described first roller is provided with cure lamp；Between described cure lamp and the first roller, the shortest vertical dimension L is in the range of 8～50mm.
Novel two-sided moulding press the most according to claim 1, is characterized in that: described regulation system includes location regulation roller and driving means；Described driving means be provided with can the movable motion portion of relative second moulding system, location regulation roller is arranged in described motion portion.
Novel two-sided moulding press the most according to claim 2, is characterized in that: described first roller be provided with several for the target icon forming calibration point on thin-film material, described the target icon is along the first roller circumferentially；Also can be provided with between described first moulding system and the second moulding system at least one detection light source and at least one with detect detection light source receiving device corresponding to light source；Described detection light source receiving device includes that receiving transducer and computer system, described receiving transducer are connected with computer system data；Described driving means is connected with computer system data；The light beam that described detection light source sends is radiated on thin film, the calibrated point reflection of described light beam receives to receiving transducer and by receiving transducer, then receiving transducer produces a signal and transmits this signal to computer system, computer system carries out data process to this signal, producing a control signal being used for controlling driving means duty, the motion portion controlling driving means moves.
Novel two-sided moulding press the most according to claim 1, is characterized in that: pass through direction along thin film, and the upstream of the first roller is provided with UV and expects feeding device；Described UV material feeding device includes batch can, delivery pump, shower nozzle, air bleeding valve, relief valve and counterbalance valve, and batch can is provided with inlet and liquid return hole；Described inlet passes through pipeline, is sequentially communicated air bleeding valve, delivery pump, counterbalance valve and shower nozzle, constitutes UV and expects feeding-passage；Described inlet passes through pipeline, is sequentially communicated air bleeding valve, delivery pump, relief valve and liquid return hole, constitutes UV and expects feed back passage.
Novel two-sided moulding press the most according to claim 1, is characterized in that: be provided with the thin film upset system for overturning thin-film material mold pressing surface between described first moulding system and the second moulding system；Described thin film upset system is constituted for overturning the deflector roll of thin-film material mold pressing surface by some.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520977383.8U CN205768156U (en) | 2015-11-30 | 2015-11-30 | A kind of novel two-sided moulding press |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520977383.8U CN205768156U (en) | 2015-11-30 | 2015-11-30 | A kind of novel two-sided moulding press |
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| CN205768156U true CN205768156U (en) | 2016-12-07 |
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| CN201520977383.8U Withdrawn - After Issue CN205768156U (en) | 2015-11-30 | 2015-11-30 | A kind of novel two-sided moulding press |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105313510A (en) * | 2015-11-30 | 2016-02-10 | 佛山市南海区三简包装有限公司 | Novel double-sided mould press |
-
2015
- 2015-11-30 CN CN201520977383.8U patent/CN205768156U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105313510A (en) * | 2015-11-30 | 2016-02-10 | 佛山市南海区三简包装有限公司 | Novel double-sided mould press |
| CN105313510B (en) * | 2015-11-30 | 2018-07-20 | 佛山市南海区三简包装有限公司 | A kind of novel two-sided moulding press |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20180720 |
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| AV01 | Patent right actively abandoned |