JP3473337B2 - Film peeling method and apparatus - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a film peeling method and a device for peeling a film attached to one side or both sides of a sheet material and separating the sheet material from the film for processing. is there.

[0002]

2. Description of the Related Art A conventional film peeling apparatus of this type will be described with reference to the drawings.

FIG. 6 is a perspective view showing the structure of the main part of a conventional film peeling apparatus. In FIG. 6, reference numeral 6 denotes a quadrilateral film-attached sheet material having a predetermined size, and a film 8 made of a resin material or the like is attached to one or both sides of a core sheet material 7 made of a resin material or the like with an adhesive or the like. There is.

Reference numeral 31 denotes a hot air generator having a plurality of fins 38 provided on one surface thereof. The hot air generator 31 is arranged in the vicinity of the conveying path of the film sticking sheet material 6 conveyed in the arrow X direction, and the hot air is passed through the fins 38. Spray on the film sticking sheet material 6.

Reference numeral 33 denotes a pair of knurled rollers which can be opened and closed and rotated in synchronization with each other. The rollers are slidable on a slider 41 so as to be vertically movable in the arrow Y direction and horizontally movable in the arrow Z direction. The tip of the film sticking sheet material 6 thus formed is sandwiched and the tip is squeezed by the movement operation in the arrow Y direction.

Reference numeral 35 denotes a plurality of air nozzles, which are installed on the extension line of the film sticking sheet material 6 in the direction of the arrow X to be conveyed, and the high speed air is applied to the tip of the squeezed film sticking sheet material 6. To spray.

Reference numeral 39 denotes a pair of guide plates made of a metal or a resin material, which are symmetrically installed about the line in the direction of the arrow X and have a suction hole 40 provided at the center of each outer surface. A suction port 36, which is connected to the suction hose 37 and connected to the outer surface to suck the film 8, is attached.

A sheet member 7 is movable in the direction of arrow Z.
Is a pair of peeling chucks for holding and moving the film 8 and a pair of peeling chucks 32 for holding and moving the movable film 8 in the immediate vicinity of the guide plate 39 in the directions of arrows V and W, respectively.

Next, the operation will be described. First, the film sticking sheet material 6 is conveyed in the direction of the arrow X to a position where the film 8 is peeled off, and while blowing the hot air of the hot air generator 31 onto the film sticking sheet material 6 through the fins 38, the tip end thereof is paired with a knurl. It is sandwiched by the attached roller 33,
Moreover, by moving the roller 33 with knurls in the direction of the arrow Y while rotating, the tip of the film-attached sheet material 6 is squeezed up and down to weaken the adhesive strength between the sheet material 7 and the film 8.

An air nozzle 35 is provided at the tip of the air nozzle 35.
High-speed air is blown by the sheet material 7 and the film 8
By separating the sheet material 7 with the take-out chuck 34 and sandwiching or holding the film 8 with the peeling chuck 32, and pulling the sheet material 7 in synchronization with the three directions of the arrow Z, the arrow V, and the arrow W, The film 8 is peeled from the sheet material.

Each of the peeled films 8 is moved to each suction hole 40 while being sandwiched and held by the peeling chuck 32, and is collected in the suction port 36 by the suction force of the suction hose 37. It was a thing.

[0012]

However, in the above-mentioned conventional structure, since the hot air is blown directly to the film sticking sheet material 6, the temperature distribution on the surface of the film sticking sheet material 6 becomes non-uniform, and the adhesive strength is different in each part. However, it was difficult to peel off the film 8 having no fuzz on the sheet material 7.

In addition, dust generated when the tip of the film sticking sheet material 6 is squeezed up and down by the knurled roller 33 is unavoidable to be scattered around by the high-speed air blown by the air nozzle 35. It is difficult to increase the recovery amount because the recovery mode of the film 8 after peeling is not an orderly recovery.

The present invention is intended to solve such a conventional problem, and peels the film without raising the sheet material, and laminates the peeled films to form a large amount of film in order to ensure recovery. It is intended to provide a method and an apparatus thereof.

[0015]

Means for Solving the Problems In order to solve the above-mentioned problems, a film peeling apparatus of the present invention comprises a heating furnace for the sheet material provided with a conveyor for transferring the film-attached sheet material, and a tip of the sheet material. The suction bar that vacuums up the non-adhesive part of the film and lifts it up, the take-out chuck that holds and transfers the sheet material from which the film has been peeled off, and the four corners of the film that has been peeled off and conveyed, and holds each film. Adsorption block to be laminated on, a pusher that can press the laminated film once to detect the laminated amount of the film,
It is configured by a recovery mechanism including a stopper that fixes and holds the laminated films.

According to the present invention, the film can be peeled off without damaging the sheet material and the film and without causing the sheet material to be fluffed. Since air is not used, energy saving and cleanliness can be achieved.

Furthermore, by transferring and stacking the peeled films one by one, the recovery form can be performed in an orderly manner, so that a large amount of recovery can be surely performed.

[0018]

The invention according to claim 1 of the embodiment of the present invention reduces the adhesive strength and heat is passed through the sheet material obtained by sticking a film on one side or both sides in the heating furnace, the sheet
Vacuum suction of the non-adhesive part at the tip of the material and move the film and sheet material on one or both sides at a synchronized and predetermined speed.
Is a film peeling method for peeling the film by using, and has an effect that the film can be peeled off without fluffing of the sheet material.

According to a second aspect of the present invention, there is provided a conveyor for transferring a sheet material having a film attached on one side or both sides thereof, a heating furnace for inserting the sheet material and heating the sheet material to a predetermined temperature, and the tip of the sheet material. The film peeling device is composed of a suction bar that vacuum-sucks and holds and transfers the film in the non-adhesive part, and a take-out chuck that holds and transfers the sheet material from which the film has been peeled off. It has the function of separating and separating the material and the film without damaging them.

According to a third aspect of the present invention, there is provided a movable peeling chuck for holding the film, which is flipped up by the suction bar and sucked, by the pressing bar to hold the film.
The film peeling device described in (1) above has an effect of reliably holding and transferring the film.

According to a fourth aspect of the present invention, a rotatable suction block for holding the four corners of the peeled and conveyed film and laminating the films one by one, and the laminated film is pressed once to form the film. The film peeling device according to claim 2, wherein a pusher capable of detecting the amount of lamination and a collection mechanism composed of a rotatable stopper for fixing and holding the laminated film are provided in series. The film can be collected in an orderly manner.

An embodiment of the present invention will be described below with reference to the drawings. 1 is a perspective view showing a schematic configuration of a film peeling apparatus according to an embodiment of the present invention, FIG.
Is a cross-sectional view of the main part of the peeled portion, FIGS. 3A to 3E are cross-sectional views of the main part for explaining the peeling operation step of the film attached to the sheet material, and FIG. 4 is a laminated view of the peeled film. FIG. 5 (a) is a perspective view showing a schematic configuration of a recovery mechanism for recovering
(B) is a principal part front view explaining the same film collection operation process.

1 to 3, reference numeral 6 denotes the same film-attached sheet material as described in the prior art, which is composed of the sheet material 7 and the film 8 and has no adhesive or the like applied to the front end in the conveying direction. The adhesive tip portion 27 is provided in advance and is conveyed in the arrow S direction in a horizontal state.

Reference numeral 5 denotes a heating furnace which incorporates a pair of heaters (not shown) and heats the film sticking sheet material 6 to a predetermined temperature. The film sticking sheet material 6 is conveyed and inserted into the gap on the arrow S direction line. A total of four heat-resistant conveyors 1 that sandwich and transfer both side ends of the above are arranged at both ends.

Reference numeral 22 denotes a pair of guide plates made of a metal material, a ceramic material, a resin, or the like, which is symmetrical about the extension line in the direction of arrow S in order to regulate and guide the peeled film 8 being transferred. It is installed in a V shape, its end on the open side is made of metal material or resin material, both ends are bent inward and the cross section is wide open ∩ shape, and the peeled film 8 is laminated and held on the upper surface. A pair of recovery plates 11 are continuously arranged on a straight line.

A guide plate 2 is provided on one end of the recovery plate 11.
The same pair of guide plates 21 as 2 are continuously arranged on a straight line.

Reference numeral 2 denotes a pair of suction bars made of a metal material, a ceramic material, a resin material, or the like. It is provided so as to penetrate through an elastic body 9 such as urethane rubber that is mounted for prevention.

Further, the pair of suction bars 2 are arranged in proximity to the upper surfaces of the respective tips of the guide plates 22 arranged in a V shape, rotate in the direction of arrow F, and are parallel to the guide plates 22. Linear movement is possible in the direction of arrow H or arrow J of the line.

Reference numeral 3 is a pair of peeling chucks made of a metal material, a ceramic material, a resin material, or the like.
Is arranged in close proximity to the guide plate 22, and is linearly movable in the direction of arrow H or J and the direction of arrow L parallel to the guide plate 22, and the tip end of the film 8 is formed by the pressing force and the elastic body 9 of the suction bar 2. To pinch.

Reference numeral 4 denotes a plurality of extraction chucks made of a metal material, a ceramic material, a resin material, or the like, which are arranged in the vicinity of the tips of the pair of suction bars 2 and are mounted on a mounting block 24 via a holder 23. It is installed and can be opened and closed in the direction of arrow G and can be moved linearly in the direction of arrow K on the same straight line as the direction of arrow S, and the tip of the sheet material 7 is clamped and held by the tip thereof.

Reference numeral 25 is a mounting block for temporarily storing the sheet material 7 from which the film 8 has been peeled off, 16 is a pair of pushers (the other is not shown), and a cylinder 17 having a push plate 18 attached to the tip thereof is attached. It is linearly movable in the direction of arrow M, is installed in the vicinity of the central portion of the outer surface of the recovery plate 11, and presses the peeled film 8 against the recovery plate 11 once.

Next, in FIGS. 4 and 5, reference numeral 12 designates four suction blocks made of a metal material or a resin material. Four suction blocks are arranged at the corners of the flat portion of the recovery plate 11 and are separated on the upper surface side. Three vacuum suction holes 12a for adsorbing the four corners of the film 8 are provided, and two of them are connected to each other by a connecting bar 19.

One end of the cylinder 13a is rotatably connected to the lower end of the suction block 12, and the pair of actuators 1 connected to the other end of the cylinder 13a.
By the drive of 3, the four suction blocks 12 are synchronously rotatable about the shaft 20 in the arrow P direction.

Reference numeral 14 denotes a stopper which is made of a metal material or a resin material, and which is provided with a holding projection 14a for pressing and holding the central portion of both ends of the film 8 which is separated from the suction block 12 on the lower surface of the tip, and bends the recovery plate 11. Two pieces are installed at the center of the machined inclined end, for a total of four pieces.

The central portion of the stopper 14 is attached to the bearing 15
The shaft 15a, which is rotatably held by b, is fixed by penetrating it. By driving the actuator 15 connected to one end of the shaft 15a, the four shafts are synchronized with each other in the direction of arrow Q or arrow N around the shaft 15a. It is freely rotatable.

Although the recovery plates 11 are paired, the other one and the periphery thereof have the same structure, and the description thereof will be omitted.

Next, the film peeling operation will be described with reference to FIGS.
Will be explained. First, a state in which a film-attached sheet material 6 having a predetermined size having a non-adhesive tip portion 27 that has been conveyed (conveyance mechanism is not shown) is passed between a pair of heating furnaces 5 and heated to a predetermined temperature for a certain period of time. Then, it is transferred to the tip of the V-shaped guide plate 22 by the conveyor 1.

Next, as shown in FIG. 3 (a), the pair of suction bars 2 are moved in the direction of arrow T from above and below (the movement and rotation mechanism of the suction bar 2 is not shown), and each elastic body 9 is moved. Are brought into contact with the upper and lower films 8 of the non-adhesive tip portion 27, and then the film 8 is adsorbed to the tip of the adsorption bar 2 by vacuum suction of the vacuum suction hole 10 and the suction end 26 (suction mechanism is not shown). .

Then, the suction bar 2 is rotated in the direction of arrow F while sucking the film 8 to turn the film 8 from the sheet material 7 as shown in FIG. 2 and FIG. The tip of the material 6, that is, the sheet material 7, is further transported in the direction of arrow S.

Subsequently, the pair of peeling chucks 3 is moved in the direction of arrow L (the moving and rotating mechanism of the peeling chuck 3 is not shown), and as shown in FIG. 3C, the tip of the peeling chuck 3 and the suction bar. The film 8 is sandwiched and held by two elastic bodies 9, and the take-out chuck 4 is moved in the direction of arrow G (horizontal and vertical moving mechanism of the take-out chuck 4 is not shown), as shown in FIG. The tip of the sheet material 7 is clamped and held.

Next, as shown in FIG. 3 (e), the sheet material 7 nipped and held by the take-out chuck 4 is in the direction of arrow K (the same as the direction of arrow S in the traveling direction), and the suction bar 2 is moved.
The films 8 sandwiched and held by the peeling chuck 3 and the peeling chuck 3 are synchronized with each other in a predetermined angle (for example, 60 degrees) with respect to the direction of the arrow K, that is, in a predetermined direction in synchronization with three directions of the arrow H and the arrow J. By moving or pulling at a speed, the film 8 and the sheet material 7 are separated and separated with a constant tension applied.

Next, the operation of collecting the peeled film 8 will be described with reference to FIGS. 1, 4 and 5. The film 8 peeled off in the above is the suction bar 2 and the peeling chuck 3
4 and FIG. 5 (a), the stopper 1 is provided at four locations near the center of the inclined end of the recovery plate 11.
The recovered film 2 held by the holding projections 14a of No. 4
8 reaches the upper surface of the recovery plate 11 on which it is placed.

Subsequently, the four corners of the film 8 are held by vacuum suction (the suction mechanism is not shown) in the vacuum suction holes 12a of the suction block 12, and then the sandwiching of the film 8 by the suction bar 2 and the peeling chuck 3 is released. As shown in FIG. 5B, the suction bar 2 and the peeling chuck 3 are returned to their original positions by moving them in the directions of the arrows U, respectively.

Next, the pusher 16 is operated to move the cylinder 17 in the direction of the arrow M, and the pressing plate 18 temporarily presses the central portion of the film 8 onto the central portion of the upper surface of the collected film 28.

At this time, the thickness of the collected film 28 is detected by the position of the push plate 18, that is, the cylinder 17, and it is determined that the film is full when the preset amount is exceeded.

Next, the stopper 14 is rotated in the direction of the arrow N by the operation of the actuator 15, and the collected film 2 is recovered.
Release the four holding points of No.8. Then actuator 1
By the operation of 3, the suction block 12 is rotated in the direction of arrow P, and the film 8 is laminated on the upper surface of the recovered film 28 along the ∩ shape of the recovery plate 11.

Then, the stopper 14 is rotated in the direction of the arrow Q to return to the original position, and the new film 8 and the recovered film 28 are pressed and held at four positions by the holding projections 14a.

Next, the vacuum suction hole 1 of the suction block 12
The vacuum suction of 2a is released to free the four corners of the film 8, and the suction block 12 is rotated in the direction opposite to the arrow P to return only the suction block 12 to the original position.
After that, the cylinder 17 is moved in the direction opposite to the arrow M and returned to the original position.

The above operation is carried out simultaneously at two places, and one step of the operation of collecting the two peeled films 8 is completed.

Instead of the suction block 12, a chuck structure may be used.

[0051]

As described above, the film peeling method and the apparatus according to the present invention eliminate the unevenness of the adhesive strength by inserting the inside of the heating furnace to make the heating temperature distribution of the film sticking sheet material uniform, and to prevent fuzzing, The film or sheet material can be peeled off without damage.

Further, since air or the like is not used, it is suitable for energy saving and cleanliness. Furthermore, by installing a laminated film collecting mechanism in series, a large amount of film can be collected in an orderly and reliable manner. It will be possible.

[Brief description of drawings]

FIG. 1 is a perspective view showing a schematic configuration of a film peeling device according to an embodiment of the present invention.

FIG. 2 is a sectional view of the main part of the peeled portion.

3A to 3E are cross-sectional views of a main part for explaining a peeling operation step of a film attached to the sheet material.

FIG. 4 is a perspective view showing a schematic configuration of a recovery mechanism that stacks and collects the peeled films.

5 (a) and 5 (b) are front views of relevant parts for explaining the film collecting operation step.

FIG. 6 is a perspective view showing a main part configuration of a conventional film peeling device.

[Explanation of symbols]

1 conveyor 2 adsorption bar 3 Peeling chuck 4 Extraction chuck 5 heating furnace 6 Film sticking sheet material 7 sheet materials 8 films 9 elastic body 10 Vacuum suction hole 11 Collection plate 12 Adsorption block 12a Vacuum suction hole 13 Actuator 13a cylinder 14 Stopper 14a holding protrusion 15 Actuator 15a shaft 15b bearing 16 pushers 17 cylinders 18 push plate 19 Connection bar 20 shaft 21 Guide plate 22 Guide plate 23 holder 24 Mounting block 25 Placement block 26 Suction end 27 Non-bonded tip 28 Recovered film

Front Page Continuation (72) Inventor Hiroyoshi Minato 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) Reference JP-A-7-215577 (JP, A) JP-A-63-202409 ( JP, A) JP 1-216840 (JP, A) JP 9-169461 (JP, A) JP 6-255880 (JP, A) JP 8-99769 (JP, A) Flat 7-21650 (JP, U) Actual development Flat 5-56860 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) B65H 41/00

Claims (4)

(57) [Claims] 1. A sheet material having a film attached to one or both sides is inserted into a heating furnace to heat it to reduce the adhesive strength, and the non-adhesive portion at the tip of the sheet material is vacuum-sucked to obtain a film and sheet material on one or both sides. At a predetermined speed
A film peeling method for peeling the film by moving the film. 2. A heating furnace which is provided with a conveyer for transferring a sheet material having a film adhered on one or both sides, and which heats the sheet material through a heating furnace to a predetermined temperature, and a film at a non-adhesive portion at the tip of the sheet material. A film peeling device that is composed of a suction bar that sucks in vacuum, flips, holds, and transfers, and a take-out chuck that holds and transfers the sheet material from which the film has been peeled. 3. The film peeling apparatus according to claim 2, further comprising a movable peeling chuck that holds the film, which is picked up by the suction bar and sucked up, by the pressing bar. 4. A rotatable suction block for holding the four corners of the peeled and conveyed film and laminating the films one by one, and the laminated films are once pressed so that the film laminating amount can be detected. The film peeling apparatus according to claim 2, wherein a pusher and a recovery mechanism, which includes a rotatable stopper that fixes and holds the laminated films, are connected in series.