JP3954401B2 - Laminator - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a laminator for coating a film on a workpiece such as a substrate.
[0002]
[Prior art]
As a laminator that peels a release paper from a film with a release paper and coats the film on a substrate, a laminator disclosed in JP-A-11-320683 and a known release paper peeling mechanism are known. As shown in FIG. 4, the laminator 81 is provided with upper and lower temporary attachment members 86 that adsorb a film 82 with release paper by a pump (not shown) and temporarily attach it close to the front edge of the substrate 84 (see FIG. )), The upper and lower pressure rollers 88 that receive the substrate 84 and the film 82 transferred thereon after temporary attachment (FIG. 4 (b)), and the film 82 after temporary attachment is adsorbed and introduced between the pressure rollers 88. A guide 90 for cutting, and a cutter 92 for cutting the film 82 with a length suitable for internal application (FIG. 4C). The guide 90 adsorbs the film 82 after cutting and prevents the latter half of the film 82 from being bent. Further, on the upstream side of the film 82 away from the temporary attachment member 86 and the cutter 92, an adhesive tape 94 is disposed that lifts and releases the release paper together.
[0003]
[Problems to be solved by the invention]
In such a laminator 81, the release paper is peeled off by the adhesive tape 94 that is separated from the tacking member 86 and the cutter 92 and is far upstream from the pressure roller 88 in order to prevent interference. The film 82 is transported over a long period of time, increasing the chance of dust adhering, and scratching the film 82 itself.
[0004]
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a laminator that has a very low possibility of being dusted or scratched.
[0005]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the invention described in claim 1 introduces a film and a workpiece from which the release paper has been peeled off, and moves downstream to coat the film with the workpiece, a separation in the film. and a plate having an edge which paper is folded back, by placing the edge on the upstream side of the roller, the release paper was peeled off before the film is coated, further comprising a cutter for cutting only the film, The plate is placed along the film and the release paper, and the cutter is opposed to the plate .
[0006]
In order to achieve the purpose of carrying out the laminate that is extremely unlikely to get dust and scratches on the front and back of the substrate at the same time in the invention of claim 2, in the above invention, the film is introduced on the front and back of the workpiece, A plate is provided.
[0007]
In addition to the above object, the invention described in claim 3 is characterized in that, in order to achieve the object of providing a laminator with good peeling while having a simple configuration, the edge is a knife edge in the above invention. Is.
[0008]
In addition to the above-described object, the invention described in claim 4 moves downstream by grasping the front edge of the work and the film in order to achieve the object of laminating the film lightly on the work. The present invention is characterized in that a chuck is provided .
[0010]
In the present invention, the term “laminate” includes one that puts a film or the like flat, one that is pressure-bonded with a weak pressure, or temporary attachment of a film or the like, that is, adhesion before pressure bonding.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an explanatory side view of a laminator 1 according to the embodiment. The laminator 1 includes a machine frame 2, a workpiece loading conveyor 4 (feeding mechanism), upper and lower feeding shafts 6, and an original reversal direction provided on the machine frame 2. Shaft 7, take-up shaft 8, two release paper turning shafts 9, cutter 10 and plate 11, upper and lower rollers 12 and chuck 13 and servo motor 14 at approximately the center, two upper and lower welding machines 15, and finished product A payout conveyor 16 and an operation panel 18 are provided.
[0012]
The workpiece loading conveyor 4 can convey a workpiece (here, the substrate W) substantially horizontally in the left direction in FIG. The feeding shaft 6 can set a roll R as a raw fabric. The original reversal direction axis 7 directs the film F, which is drawn from the roll R and has the release paper S on the inner side, between the rollers 12. The take-up shaft 8 and the release paper turning shaft 9 take up the release paper S peeled off from the film F by a servo motor (not shown).
[0013]
The cutter 10 approaches the film F from the outside in the width direction by an actuator (not shown) and moves the rotary blade 20 protruding as much as the thickness of the film F in the width direction while rolling on the film F, thereby moving the film F in the width direction. Disconnect.
[0014]
The plate 11 is arranged so as to match the supply angle of the film F and reach the upstream side between the rollers 12. The plate 11 supports the film F even when the cutter 10 is running, or the release paper S on the side of the roller 12. Is peeled off from the film F. The side on the chuck 13 side is a knife edge 11a whose outer corner is a cusp. The roller 12 is in contact with the film F supplied to the substrate W, and coats (laminates) the film F on the substrate W when the substrate W moves downstream by the chuck 13.
[0015]
In this embodiment, since the plate 11 provided with the knife edge 11a, the feeding shaft 6, the winding shaft 8, the cutter 10 and the like are provided above and below, the film F can be introduced on the front and back of the substrate W. .
[0016]
The chuck 13 is a pulling mechanism that holds and pulls the substrate W and the film F. That is, the upper and lower claws 22 can be driven by an air cylinder (not shown) so that the edges of the substrate W and the film F can be gripped, and the pinion 24 at the rotation axis of the servo motor 14 provided integrally is mounted on the rack 26. , It is possible to move in a substantially parallel manner immediately above the substantially horizontal finished product delivery conveyor 16.
[0017]
The welding machine 15 is a fastening mechanism that partially stops the coated film F on the substrate W, and includes a head 28 that has a heating unit at the tip and moves up and down by an air cylinder (not shown). Two heads 28 are installed on each side so that the heads 28 can advance on both sides. The head 28 can stop the film F on the substrate W at a dot-like portion by bringing the heated tip into contact with the film F.
[0018]
The finished product delivery conveyor 16 is driven by a servo motor (not shown), and conveys the substrate W with the film F received from the chuck 13, that is, the finished product, downstream. The operation panel 18 controls the overall operation of the laminator 1 by synchronously controlling each servo motor, air cylinder, winding shaft 8, release paper turning shaft 9, welding machine 15 and the like according to the state of its own switch (not shown). To manage.
[0019]
In laminating on the upper surface of the substrate W by such a laminator 1, the film F is initially positioned so as to be positioned in front of the chuck 13 through the roller 11 from the roll R of the feeding shaft 6 and between the rollers 12. Pull out. Further, the release paper S is folded back at the knife edge 11 a in the vicinity of the roller 12 and set so as to be wound around the winding shaft 8. Further, the tip of the head 28 of the welding machine 15 is warmed.
[0020]
Then, as shown in FIG. 2A, first, the operation panel 18 drives the workpiece loading conveyor 4 to the position where the front end (downstream side end) of the film F contacts the substrate W with a predetermined margin M secured. Transport. At this time, a slight upstream side of the margin M of the substrate W passes between the upper and lower rollers 12 together with the front edge (downstream edge) of the film F and is covered. At the time of this coating, the release paper S is peeled off at the knife edge 11 a arranged in the vicinity of the upstream side of the roller 12, so that the film F immediately after peeling is covered on the substrate W. Further, since the front end edges of the substrate W and the film F are located in the claw 22 of the chuck 13, the chuck 13 grasps the front end edges of the substrate W and the film F by the claw 22.
[0021]
Next, as shown in FIG. 2B, the chuck 13 is moved downstream by driving the servo motor 14 while holding the front end edges of the substrate W and the film F. By this movement, the roller 12 rotates and the film F is laid flat on the substrate W. Also in this case, the film F just peeled off is supplied to the roller 12 by the knife edge 11 a in the vicinity of the roller 12.
[0022]
In addition, at a predetermined timing during the movement, the head 28 of the welding machine 15 is moved up and down, and a predetermined portion of the film F is attached to the substrate W by applying the tip to the film F. Note that examples of the predetermined portion include the vicinity of the diagonal or four corners of the film F, and the vicinity of a portion where the side is divided into two or ten equal parts.
[0023]
Subsequently, as shown in FIG. 3C, the length L1 in the longitudinal direction of the film F from the front end of the film F not on the substrate W to the blade 20 of the cutter 10, and the rear end ( When the length L2 from the upstream end) to the portion returned by the margin M becomes substantially equal, the winding shaft 8, the release paper turning shaft 9, and the chuck 13 are temporarily stopped, and the cutter 10 is moved to the film F. It is moved in the width direction and only the film F on the release paper S is cut (half cut).
[0024]
Then, as shown in FIG. 3D, after the cutting of the film F is completed, the cutter 10 is restored, and the movement of the substrate W and the film F by the chuck 13 or the like is resumed. Thus, the film F is laid flat on the substrate W up to the rear end formed by the cut. At this time, due to the cutting by the cutter 10, the margin M remains on the rear side. The side margin can be adjusted by the width and position of the roll R. Thereafter, the chuck 13 is moved slightly downstream while opening the pawls 22, and the substrate W coated (internally attached) with the film F in a state where there is a margin is placed on the finished product delivery conveyor 16, and is downstream as a finished product. send. Then, the substrate W is loaded to obtain the state of FIG. 2A, and the above operation is repeated as appropriate.
[0025]
In the laminator 1 as described above, the release edge S on the plate 11 on which the release paper S of the film F is folded is disposed in the vicinity of the upstream side of the roller 12. Since the film is peeled immediately before being coated, the possibility of dust adhering to the film F itself attached to the substrate W is extremely low. Further, since only the release paper S comes into contact with the plate 11 or the knife edge 11a, the film F itself is not damaged. Therefore, according to the laminator 1, it is possible to provide an extremely high quality finished product.
[0026]
In addition, since the film F is introduced into the front and back of the substrate W and the plate 11 is provided for each film F, a laminate that is free from dust and scratches can be applied to the front and back of the substrate W at the same time.
[0027]
Further, since the side of the plate 11 on the roller 12 side is the knife edge 11a, the release paper S can be folded back at an acute angle, and the peeling can be improved. The folded portion of the release paper S can be arranged very close without interference, and the finishing can be further improved.
[0028]
Furthermore, since the cutter 10 for performing the half cut for cutting only the film F without cutting the release paper S is provided, the film F for each substrate W is formed from the roll R as a raw fabric, and each substrate W is successively formed. The film F can be supplied to the substrate, and a high-quality laminate can be continuously applied to a large number of substrates W.
[0029]
In addition, since the plate 11 is placed along the film F or the release paper S and the cutter 10 is opposed to the plate 11, it also serves as a presser of the cutter 10 to the plate 11 that peels the release paper S immediately before lamination. It can be carried, and a simple configuration can be achieved while ensuring the stability of the half cut.
[0030]
In the laminate 1, the film F is pulled by the chuck 13 that holds the front edge of the film F and the substrate W with the claws 22 while supplying the film F to the substrate W. Ride flat on W. Therefore, it is possible to apply a laminate such that the film F is placed lightly on the substrate W. Such a soft and flat laminate is suitable for temporary lamination (temporary attachment) in the previous stage for vacuum lamination or high pressure lamination. Further, by setting the traction at a substantially constant speed, the quality of the laminate such as placing the film F is improved, but the speed may be variable.
[0031]
Further, the release paper S is provided on the film F, and these are pulled out from the roll R set on the feeding shaft 6, and the release paper S is folded at the edge of the plate 11 and taken up by the take-up shaft 8 while being peeled off to supply the film F. In addition, since the half cut for cutting the film F without cutting the release paper S by the cutter 10 is performed for each substrate W, the supply of the film F is performed simply and rationally. Continuously light and flat laminating can be performed.
[0032]
Furthermore, the front end of the film F is supplied to a position after the margin M from the front end of the substrate W, and the rear end of the film F is supplied to the position before the margin M from the rear end of the substrate W. Since the film F before being cut is cut by the cutter 10, by appropriately adjusting the width of the film F, the margin M can be easily applied even in a soft flat laminate.
[0033]
In addition, since the plate 11 follows and supports the film F before supply, the film F hangs down, wrinkles and adheres to the substrate W, or detaches from the substrate W and is not supplied to the substrate W. The situation can be prevented. In the laminator 1, the support of the film F before supply, the release paper S is peeled off, and the presser (support at the time of cutting) opposite to the cutter 10 is covered by the plate 11, which is an extremely efficient configuration. Has contributed.
[0034]
In addition, since the film F supply mechanism, the fastening mechanism, and the like are provided in two upper and lower portions, a laminate that can be placed flat on the upper and lower surfaces of the substrate W can be applied, which is efficient. In addition, since a part of the film F is stopped on the substrate W by the welding machine 15, it is possible to prevent a situation in which wrinkles or deviations occur after finishing or in the next process because the laminate is light.
[0035]
In addition, this invention is not limited to the above form, As shown below in part, it can change variously in the range which does not deviate from this invention.
[0036]
While the cutter moves in the width direction, the cutter can also move at substantially the same speed as the film F in the supply direction of the film F, and can cut the advancing film F in the width direction. In this case, the finish becomes faster as long as the progress of the film is not stopped, and it is not necessary to stop the lamination, so that generation of wrinkles, lines, deviations, etc. can be prevented, and a uniform finish can be achieved.
[0037]
The pulling mechanism may be a moving plate on which the work can be placed, and the work may be placed on the moving plate after the front edge of the film is fixed. The chuck can also grab the side edges of the film and workpiece. The margin M may be different between before and after, or may not be provided.
[0038]
In addition, a laser cutter can be used as the cutter, a head that stops the heating unit with only a pressure or a roller that rolls on the side edge as a fixing mechanism, and a hydraulic cylinder as the cylinder. The actuator may be a motor or air. The supply mechanism, the fastening mechanism, and the like can be provided on only one side, three or more, or on the left and right without being provided on the top and bottom. When provided on the left and right, the workpiece or the like is pulled up or down. Note that the plurality of supply mechanisms and fastening mechanisms can be different from each other.
[0039]
【The invention's effect】
As described above, according to the present invention, it is possible to smoothly carry out a high-quality laminate that is free from dust and scratches.
[Brief description of the drawings]
FIG. 1 is an explanatory side view of a laminator according to the present invention.
FIGS. 2A and 2B are operation explanatory views of a laminator according to the present invention.
FIGS. 3C and 3D are operation explanatory views of a laminator according to the present invention.
4A to 4C are explanatory diagrams of a conventional example. FIG.
[Explanation of symbols]
1 ·· Laminator, 6 ·· Feeding shaft, 8 ·· Take-up shaft, 10 ·· Cutter, 11 ·· Plate, 12 ·· Roller, 14 ·· Servomotor, F ·· Film, M ·· Margin, R .. Roll, S ... Release paper, T ... Feed roll, W ... Substrate.

Claims (4)

A roller that coats the workpiece with the film by introducing the film and workpiece from which the release paper has been peeled,
A release plate in the film, and a plate having an edge where the paper is folded,
By placing the edge upstream of the roller, the release paper is peeled off before the film is coated ,
Furthermore, it has a cutter that cuts only the film,
Along the plate along the film and release paper,
A laminator characterized in that the cutter faces the plate .   The laminator according to claim 1, wherein a film is introduced on the front and back of the workpiece, and a plate is provided for each film.   The laminator according to claim 1 or 2, wherein the edge is a knife edge. The laminator according to any one of claims 1 to 3, further comprising a chuck that grips the front edge of the workpiece and the film and moves downstream .

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