CN105313448A - Novel die pressing machine - Google Patents
Novel die pressing machine Download PDFInfo
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- CN105313448A CN105313448A CN201510859848.4A CN201510859848A CN105313448A CN 105313448 A CN105313448 A CN 105313448A CN 201510859848 A CN201510859848 A CN 201510859848A CN 105313448 A CN105313448 A CN 105313448A
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Abstract
The invention discloses a novel die pressing machine. The novel die pressing machine comprises a first die pressing system and a second die pressing system and is characterized in that the first die pressing system is a hot die pressing system; a first plate roller used for carrying out hot die pressing on film material is arranged in the first die pressing system; the second die pressing system is a UV die pressing system; a second plate roller used for carrying out UV die pressing on the film material is arranged in the second die pressing system; an adjusting system used for adjusting the length of the film material between the two die pressing systems is also arranged between the first die pressing system and the second die pressing system. The novel die pressing machine is accurate to locate; the films are small in deformation and excellent in flatness in the production process; the produced films can meet high quality requirements.
Description
Technical field
The present invention relates to optical anti-counterfeiting and packing technique field, especially relate to a kind of New-type mould 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 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, the hologram image on it is copied in metallic nickel version again, then the metallic nickel version with holographic laser image that thickness is approximately 15 ~ 80 μm is fitted in the roller of holographic laser moulding press as mold pressing version, coated film is being passed through by the roller posting mold pressing version that heats, limit roller pressurizes to roller to coated film, hologram image in mold pressing version is impressed on coated film, thus be made into holographic laser (false proof) the packing plastics film of rolling.
But the extrusion press used in the market or UV moulding press are all used alone.When operating personnel need print forward and reverse mold pressing surface of plastic sheeting, often need to use extrusion press and UV moulding press respectively.But, plastic sheeting carrying is loaded down with trivial details, affect the production efficiency of film, and, the impression of this hologram image, very high to the positioning accuracy request of plastic sheeting both sides figure, the site error being stamped in the hologram image of the forward and reverse mold pressing surface of coated film respectively need be less than 0.1mm, and extrusion press and UV moulding press are used alone and are difficult to meet required precision, but, if extrusion press and UV moulding press use simultaneously, between two moulding press, also there is positioning precision problem equally.
For this reason, be necessary to study a kind of location laser molding press more accurately.
Summary of the invention
The object of the present invention is to provide the forward and reverse mold pressing surface of a kind of energy compression moulded film material and the New-type mould press of energy exactitude position.
To achieve these goals, the present invention adopts following technical scheme:
A kind of New-type mould press, comprises the first moulding system and the second moulding system; Especially, the first moulding system is hot moulding system, is provided with the first roller for carrying out hot moulding to laminated film in this first moulding system; Second moulding system is UV moulding system, is provided with the second roller for carrying out UV mold pressing to thin-film material in this second moulding system; The regulating system for adjusting thin-film material length between this two moulding system is also provided with between this first moulding system and second moulding system.
Principle of the present invention 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 setting a series of deflector rolls, eccentric roller etc. between which at front device, and then enter into the first roller and carry out laser molding, 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, namely second roller goes out hologram pattern in the direct die pressure surface mold pressing of thin-film material, make thin-film material can realize the two-sided mold pressing of hot moulding and UV mold pressing in a moulding press, thus on thin-film material, form unique optical effect.
Because of forward and reverse mold pressing surface of compression moulded film material while of this moulding press, the hologram pattern be 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 cannot form corresponding optical effect.And in this moulding press, thin-film material, by after the first roller, will enter regulating system.According to the alignment situation of thin-film material, relative second moulding system of drive location dancer rools moves forward and backward by drive unit, thus makes the trap pattern energy exactitude position in the forward and reverse mold pressing surface of thin-film material.
This regulating system can comprise location dancer rools and location dancer rools drive unit; Before this location dancer rools drive unit is provided with and is positioned at the second moulding system and the energy motion portion that film is movable relatively, location dancer rools is arranged in this motion portion.Drive location dancer rools motion, the securable thin-film material of location dancer rools by locating dancer rools drive unit, 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 forming the target icon of calibration point on thin-film material, this target icon along the first roller circumferentially; At least one detection light source and at least one detection light source receiving system corresponding with detection light source also can be provided with between first moulding system with the second moulding system; This detection light source receiving system comprises receiving transducer and computer system, and this receiving transducer is connected with computer system data; Location dancer rools drive unit is connected with computer system data; The light beam irradiation that this detection light source sends is on film, this light beam reflexes to receiving transducer and received probe reception through calibration point, then this receiving transducer produces a signal and by this Signal transmissions to computer system, computer system carries out data processing to this signal, produce one for controlling to locate the control signal of dancer rools drive unit duty, the motion portion controlling location dancer rools drive unit moves.The signal that receiving transducer produces can be pulse signal or other can the light beam that sends of recognition detection light source whether through the signal of calibration point reflection.
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, also can roll up the template of pasting and having the target icon in the first roller.Subsequently, thin-film material enters the second moulding system again, the detection light source being positioned at the second roller upstream sends light beam irradiation on film, light beam reflexes to receiving transducer and received probe reception through calibration point, then this receiving transducer produces a signal and by this Signal transmissions to computer system, computer system carries out data processing to this impingement rate.If computer system finds that the signal that receiving transducer transmits does not meet predetermined condition, computer system sends control signal immediately, control location dancer rools drive unit action, dancer rools relative second moulding system in location is driven to move forward and backward, thus adjusting the length of thin-film material between two moulding systems, the light beam that detection light source is sent all can drop on the calibration point of thin-film material; If computer system finds that the signal that receiving transducer transmits meets predetermined condition, namely thin-film material enters the second moulding system, after UV through being positioned at the second moulding system upstream (direction of passing through along film) expects that UV material is added into the direct die pressure surface of thin-film material by feeding device, namely thin-film material enters the second roller and carries out second time mold pressing, laser pattern in second roller is crushed on the direct die pressure surface of thin-film material immediately, at the same time, be positioned at the UV material that the cure lamp below the second roller will be dried on film in time, complete the laser molding processing of thin-film material.
Above-mentioned UV expects that feeding device can comprise batch can, delivery pump, shower nozzle, air bleeding valve, safety valve and counterbalance valve, and batch can is provided with inlet and liquid return hole; Inlet, by pipeline, is communicated with air bleeding valve, delivery pump, counterbalance valve and shower nozzle successively, forms UV and expects feeding-passage; Inlet, by pipeline, is communicated with air bleeding valve, delivery pump, safety valve and liquid return hole successively, forms UV and expects feed back passage.Expect feeding-passage by UV, UV material can be added into the direct die pressure surface of film, and counterbalance valve effectively can control the flow of feeding-passage, and air bleeding valve can ensure that the pressure in pipeline maintains in suitable pressure limit; Expect feed back passage by UV, exceed UV and expect that the UV material of flow in feeding-passage can be back in batch can, greatly alleviate the pressure in pipeline.Expect for making UV evenly to carry, also can be provided with the blade for stirring UV material in batch can in batch can, this blade is connected with the motor being positioned at batch can top by connecting axle.
For ensureing the drying efficiency of cure lamp, make the UV on thin-film material expect to be dried in time, between cure lamp and the second roller, the shortest vertical range L within the scope of 8 ~ 50mm, thus can ensure that cure lamp can dry rapidly the UV material on thin-film material at short notice.
In order to realize the upset of thin-film material mold pressing surface, (before namely thin-film material enters the first roller, the mold pressing surface of thin-film material turn to reverse mold pressing surface; Before thin-film material enters the second roller, the mold pressing surface of thin-film material turn to direct die pressure surface), preferably be provided with the film overturn system for overturning thin-film material between first moulding system and the second moulding system, this film overturn system can be formed for the deflector roll overturning thin-film material mold pressing surface by some., in film overturn system, thin-film material is successively by 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.
Registration of the present invention, in production process, deformation of thin membrane is little, flatness good, and the film produced can reach high-quality requirement.
Accompanying drawing explanation
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 the schematic diagram of detection light source and detection light source receiving system in the embodiment of the present invention 1;
Fig. 4 is the schematic diagram of UV charging system in the embodiment of the present invention 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-first roller; 7-first rubber roll; 8-the target icon; 9-second roller; 10-second rubber roll; 11-UV charging system; 12-cure lamp; 13-locates dancer rools; 14-hydraulic cylinder; 15-guide rod; 16-detection light source; 17-receiving transducer; 18-first deflector roll; 19-second deflector roll; 20-the 3rd deflector roll; 21-the 4th deflector roll; 22-the 5th deflector roll; 23-batch can; 24-delivery pump; 25-air bleeding valve; 26-safety valve; 27-filter; 28-flow calibrator; 29-ripple damper; 30-first Pressure gauge; 31-second Pressure gauge; 32-counterbalance valve; 33-inlet; 34-liquid return hole; 35-blade; 36-motor.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
Embodiment 1:
Laser molding press as Figure 1-3, comprise the system of unreeling, the first moulding system, film overturn system, trailer system, regulating system, the second moulding system and winding system, wherein, the system that unreels is formed 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 comprises traction chill roll 4 and dandy roll 5, and traction chill roll 4 fully can cool the first moulding system thin-film material out, qualitative, thus makes thin-film material to be formed stable version distance.
In the present embodiment 1, the first moulding system comprises the first roller 6 and the first rubber roll 7, and metal nickel plate is installed in the first roller 6.In addition, in the first roller 6, also volume pastes the template with the target icon 8.This template is provided with 1 the target icon 8.Second moulding system then comprises the second roller 9, second rubber roll 10, UV charging system 11 and cure lamp 12, UV stamped metal plate is arranged in the second roller 9, UV charging system 11 is responsible for adds UV material by the thin-film material of the second roller 9, cure lamp 12 is then arranged on the below of the second roller 9, the shortest vertical range L=25mm between cure lamp 12 and the second roller 9.
In the present embodiment 1, regulating system then comprises location dancer rools 13 and hydraulic cylinder 14, and wherein, hydraulic cylinder 14 is as location dancer rools drive unit, and its piston rod is connected with location dancer rools 13, and location dancer rools 13 can be moved forward and backward by relative second moulding system.In addition, regulating system also comprises a guide rod 15, and this guide rod 15 is in the top of the second roller 9, perpendicular to the axis arranged of the second roller 9.This guide rod 15 is provided with a detection light source 16 and a detection light source receiving system corresponding with detection light source 16, this detection light source receiving system comprises receiving transducer 17 and computer system, and this receiving transducer 17 is connected with computer system data; Drive unit is connected with computer system data.Detection light source 16 can along guide rod 15 longitudinally relative slip of leading with receiving transducer 17.
Film overturn system is then made up of 5 deflector rolls, i.e. the first deflector roll 18, second deflector roll 19, the 3rd deflector roll 20, the 4th deflector roll 21 and the 5th deflector roll 22, and wherein, the first deflector roll 18 to be between the first roller 6 and the second roller 9 and to be positioned at the below of the first roller 6; Second deflector roll 19 to be between the first roller 6 and the first deflector roll 18 and to be positioned at the top of the first roller 6; 3rd deflector roll to be between the first roller 6 and the second deflector roll 19 and to be positioned at the below of the first roller 6; 4th deflector roll 21 is in the side of the first roller 6 farthest away from the first rubber roll 7; 5th deflector roll 22 to be between the first roller 6 and the second deflector roll 19 and to be positioned at the top of the second deflector roll 19.
For mould pressing double-face coating PET film, in the present embodiment 1, the coating on PET film direct die pressure surface is for knowing print layer, and this knowledge print layer is for increasing the adhesive force between UV coating and PET film; Coating in the reverse mold pressing surface of PET film is contour forging layer, for carrying holographic picture information.
Before PET film enters moulding press, the first moulding system and the second moulding system should complete preparation: the metal nickel plate of the first roller 6 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.Pass into hydrothermal solution in first roller 6, make this metal nickel plate be warming up to 100 ~ 200 DEG C; The optics nickel plate of the second roller 9 by the glue of 3M strong double-face in the second roller 9, can by optical microstructures on this optics nickel plate, as lenticule etc.Pass into cold liquid in second roller 9, the temperature of optics nickel plate is controlled at 30 ~ 60 DEG C.
According to the parameter such as size, spacing of optical microstructures on optics nickel plate, choose the PET film of suitable thickness, and this PET film is arranged on unreels on air-expanding shaft 1.By unreeling system, PET film, under the stable state of maintenance tension force, entirely enters the first moulding system.First rubber roll 7 is under the driving of hydraulic means or pneumatic means, close toward the first roller 6, thus the reverse mold pressing surface of PET film is pressed together in the first roller 6.By the first roller 6 and the first rubber roll 7 mode to pressure, the coating in the reverse mold pressing surface of the first roller 6 pairs PET film carries out hot moulding, makes the reverse mold pressing surface patrix of PET film extrude hologram pattern clearly.At the same time, the target icon 8 in the first roller 6 goes out several calibration points in the reverse mold pressing surface mold pressing of PET film, and the distance between each calibration point is equal.PET film after mold pressing is guided out by deflector roll 3, enters trailer system.
In trailer system, dandy roll 5 and traction chill roll 4 realize pressure under the driving of hydraulic means or pneumatic means.Dandy roll 5 carries out pressing with traction chill roll 4 and cools fully PET film, and PET film is shaped, and stablizes the version distance of PET film.Subsequently, PET film will by regulating system, and the detection light source 16 in regulating system sends light beam toward PET film, and this light beam irradiation on a pet film.Light beam reflexes to receiving transducer 17 in regulating system and received probe 17 receives through calibration point, and then this receiving transducer 17 produces a pulse signal and by this pulse signal transmission to computer system, computer system carries out data processing to this pulse signal.If computer system finds that pulse signal does not meet presetting condition, computer system sends control signal immediately, hydraulic control cylinder 14 action, dancer rools 13 relative second moulding system in location is driven to move forward and backward, until the light beam that detection light source 16 sends all can drop on the calibration point of thin-film material.PET film after adjustment enters the second moulding system.
In the second moulding system, UV charging system 11 spoons one deck UV coating by giving the direct die pressure surface of PET film, and UV charging system 11 can adopt UV charging system 11 common in the market.Subsequently, the second rubber roll 10 is under the driving of hydraulic means or pneumatic means, close toward the second roller 9, thus is pressed together in the second roller 9 by the direct die pressure surface of PET film.By the second roller 9 and the second rubber roll 10 mode to pressure, coating on second roller 9 pairs PET film direct die pressure surface carries out mold pressing, simultaneously, the UV coating be positioned at after the cure lamp 12 pairs of mold pressings below the second roller 9 carries out instant solidifying and setting, the direct die pressure surface of PET film is made to form lenticule figure clearly, and the focus of this lenticule figure just in time drops on the hologram pattern of the reverse mold pressing surface of PET film, thus make PET film to be formed unique 3D optical effect.Carry 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 11 comprises batch can 23, delivery pump 24, shower nozzle, air bleeding valve 25, safety valve 26, filter 27, flow calibrator 28, ripple damper 29, first Pressure gauge 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 for stirring UV material in batch can 23 in batch can 23, this blade is connected with the motor 36 being positioned at batch can 23 top by connecting axle.
Inlet 33, by pipeline, is communicated with air bleeding valve 25, filter 27, flow calibrator 28, delivery pump 24, ripple damper 29, first Pressure gauge 30, counterbalance valve 32 and shower nozzle successively, forms UV and expects feeding-passage.By UV, UV material expects that feeding-passage flows to shower nozzle, drench on the direct die pressure surface of PET film.
Inlet 33, by pipeline, is communicated with air bleeding valve 25, filter 27, flow calibrator 28, delivery pump 24, second Pressure gauge 31, safety valve 26 and liquid return hole 34 successively, forms UV and expects feed back passage.By UV, excessive UV material will expect that feed back passage is back to batch can 23.
The better embodiment of what this description was enumerated be only this patent, the equivalent technologies conversion done under all operation principles at this patent and thinking, is all considered as the protection domain of this patent.
Claims (6)
1. a New-type mould press, comprises the first moulding system and the second moulding system; It is characterized in that: described first moulding system is hot moulding system, in described first moulding system, be provided with the first roller for carrying out hot moulding to laminated film; Described second moulding system is UV moulding system, is provided with the second roller for carrying out UV mold pressing to thin-film material in described second moulding system; The regulating system for adjusting thin-film material length between this two moulding system is also provided with between described first moulding system and the second moulding system.
2. New-type mould press according to claim 1, is characterized in that: described regulating system comprises location dancer rools and location dancer rools drive unit; Before described location dancer rools drive unit is provided with and is positioned at the second moulding system and the energy motion portion that film is movable relatively, location dancer rools is arranged in described motion portion.
3. New-type mould press according to claim 2, is characterized in that: described first roller is provided with several for forming the target icon of calibration point on thin-film material, and described the target icon along the first roller circumferentially; Described first moulding system with also can be provided with at least one detection light source and at least one detection light source receiving system corresponding with detection light source between the second moulding system; Described detection light source receiving system comprises receiving transducer and computer system, and described receiving transducer is connected with computer system data; Described location dancer rools drive unit is connected with computer system data; The light beam irradiation that described detection light source sends is on film, described light beam reflexes to receiving transducer and received probe reception through calibration point, then described receiving transducer produces a signal and by this Signal transmissions to computer system, computer system carries out data processing to this signal, produce one for controlling to locate the control signal of dancer rools drive unit duty, the motion portion controlling location dancer rools drive unit moves.
4. New-type mould press according to claim 1, is characterized in that: to pass through direction along film, and the upstream of the second moulding system is provided with UV and expects feeding device; Described UV expects that feeding device comprises batch can, delivery pump, shower nozzle, air bleeding valve, safety valve and counterbalance valve, and batch can is provided with inlet and liquid return hole; Described inlet, by pipeline, is communicated with air bleeding valve, delivery pump, counterbalance valve and shower nozzle successively, forms UV and expects feeding-passage; Described inlet, by pipeline, is communicated with air bleeding valve, delivery pump, safety valve and liquid return hole successively, forms UV and expects feed back passage.
5. New-type mould press according to claim 1, is characterized in that: the below of described second roller is provided with cure lamp; Between described cure lamp and the second roller, the shortest vertical range L is within the scope of 8 ~ 50mm.
6. New-type mould press according to claim 1, is characterized in that: be provided with the film overturn system for overturning thin-film material between described first moulding system and the second moulding system; Described film overturn system is formed for the deflector roll overturning thin-film material mold pressing surface by some.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510859848.4A CN105313448B (en) | 2015-11-30 | 2015-11-30 | A kind of New-type mould press |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510859848.4A CN105313448B (en) | 2015-11-30 | 2015-11-30 | A kind of New-type mould press |
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| CN105313448A true CN105313448A (en) | 2016-02-10 |
| CN105313448B CN105313448B (en) | 2018-02-16 |
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| CN105459654A (en) * | 2015-12-01 | 2016-04-06 | 佛山市南海区三简包装有限公司 | Mold-pressing method for laser film |
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| Publication number | Publication date |
|---|---|
| CN105313448B (en) | 2018-02-16 |
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