JPS6076341A - Laminator for attaching film sheet on panel - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a laminator for applying film sheets cut from a continuous film to panels.

For example, laminators have been known in which a continuous photosensitive dry film is cut into sheets and then adhered onto a panel such as a glass epoxy steel clad laminate using a pressure roll. In order to avoid the trouble of cutting the film during finishing work and to use the film efficiently without wasting it, it is desirable to cut the film into sheets according to the size of the panel while attaching the film. Furthermore, in order to obtain a product with uniform high quality, it is necessary to cut the film without stopping the rotation of the pressure roll during film deposition. This kind of laminator is
It is disclosed in Japanese Patent Application No. 58-82241. Its outline is shown in Figures 1 to 3 (the lower part is omitted because the structure is vertically symmetrical).

The laminator 1 has side plate-like support members 2 (only one shown) on both sides, and a continuous film 3 is provided between the support members 2.
A supply roll 4 wound with . Each support member 2
A block plate 7 of a temporary block member 6 is attached to the guide rail 5 fixed to the guide rail 5 so as to be slidable up and down. Temporarily attach the block member 6 between the block plates 7.
A member 8 is provided for temporary attachment. During temporary attachment, the member 8 is supported on both sides by the other end of a piston cylinder mechanism 9 whose one end is attached to each block plate 7, and by the operation of the piston cylinder mechanism 9, a cam groove provided at the bottom of each block plate 7 is inserted. 10 (3). On the other hand, each block plate 7
is connected to an endless chain 2 which is stretched around a sprocket 11 provided on each support member 2, so that the entire tack attachment block member 6 is connected to the continuous film tack attachment of the laminator 1 by the operation of the chain 12. can move toward and away from the station 13. For temporary attachment, use component 8.
can guide the film 3 while adsorbing it through the vacuum suction holes 14. During operation, the panel 1 is transported by a conveying device such as a roller conveyor.
5, the continuous film tacking is stopped when the front end reaches the position of station 13.

For tacking, the member 8 is lowered while holding the film 3 by suction, and the leading end of the film 3 is tackingly attached to the front end of the panel 15 (see FIG. 2). When the tacking is completed, the tacking member 8 stops its suction action and moves rearward. At the same time, the chain 2 is driven, and the entire tacking block member 6 is moved to a position away from the continuous film tacking station 13.

(See Figure 3) The panel transport device is activated again (see Figure 3).
) The film 3 is crimped onto the panel 15 between a pair of rotating crimping rolls 16 with both ends supported by the support member 2. In order to cut the continuous film 3 into film sheets of a size matching the length of the panel 15, the panel 1
The chain I2 is driven at a predetermined time in response to a signal from a sensor etc. that detects the rear end of the block member 6.
The continuous film tacking is moved toward the station 13 at a speed that is the same as the running speed of the film 3, that is, the rotational circumferential speed of the pressure roll 16.

During the approaching movement, the cutter 17 attached to the lower end of the block plate 7 is moved horizontally on the guide bar 18 with respect to the block member 6 to cut the film 3. Press the pressure roll 1 before and after cutting the film.
6 continues to rotate at a constant speed without interruption.

In this way, in order to accurately cut the continuous film 3 into a film sheet of a predetermined length that matches the size of the panel 15, the block member 6 must be fastened at the running speed of the film 3, that is, the pressure roll 160. Continuous film tacking requires close movement toward station 13 at a speed as great as the rotational peripheral speed. This is because if the magnitudes of the two speeds do not match, the cut surface of the film 3 will be oblique.

Conventionally, the rotation of the pressure roll 16, the temporary attachment, and the movement of the block member 6 have been performed separately by dedicated drive devices. It goes without saying that the compression roll 16 is always required to rotate at a constant speed. However, the moving speed of the block member 6 for tacking needs to match the rotational peripheral speed of the pressure roll 16 as described above when moving the continuous film tacking toward the station 13 during film cutting. However, in other cases, it is desirable from the viewpoint of work efficiency to move the pressure roll 16 quickly, regardless of the rotational circumferential speed of the pressure roll 16. However, in conventional tacking, the drive device dedicated to block members is a normal type that provides only a single speed.
If different speeds could be applied as needed, the mechanism would be complicated and difficult to control. Furthermore, if a drive device is additionally provided for fast movement of the block member 6 for temporary attachment, there will be three drive devices in total, and the control will be complicated.

Therefore, an object of the present invention is to allow the block member to be tack-attached at two types of moving speeds, namely, the rotation circumferential speed of the pressure roll and the rotational peripheral speed of the pressure roll, without using a drive device with a complicated mechanism or adding a new drive device. The objective is to provide a laminator that can easily provide the same speed and faster speed.

The features of the laminator according to the present invention are that the crimping roll receives a driving force from a motor, which is one drive device, and rotates the crimping roll.For tacking, the block member has a continuous film.For tacking, the close movement to the station is controlled by the crimping roll. It is equipped with a motion transmission mechanism to provide motion at the same speed as the rotational circumferential speed, and another drive device is provided to provide separation movement of the block member during continuous film tacking and tacking to the station. The above-mentioned motion transmission mechanism has a clutch for making it possible to release the motion transmission to the block member (7) during temporary attachment.

For temporary attachment, the block member is suspended and supported at both ends by a pair of left and right endless chains stretched on sprockets provided on both sides of a rotating shaft extending in the horizontal direction, and the motion transmission mechanism rotates the sprocket. In this way, it is also possible to provide a proximal movement to the protruding hook member of the tacking unit.

Alternatively, it may be moved using a ball screw.

The motion transmission mechanism may include an endless chain stretched between the drive shaft of the motor, the rotation shaft, and the axis of the pressure roll. Also, instead of such a chain, a suitable gear mechanism may be used.

The above-mentioned driving device for giving separation movement to the block member during temporary attachment may be a piston-cylinder mechanism such as an air cylinder, and one end of the piston-cylinder mechanism is connected to the above-mentioned driving device for suspending and supporting the block member during temporary attachment. It may also be attached to an endless chain. Further, another type of drive device (8) may be used, or one end of the drive device may be temporarily attached directly to the block member.

Examples of the present invention will be described in detail below.

FIG. 4 is a schematic diagram showing one embodiment of the present invention, and non-essential parts are omitted or simplified, but the overall structure and operation except for the drive device, motion transmission mechanism, and rotating shaft, It should be understood that this is similar to that shown in FIGS. 1-3.

In FIG. 4, a pair of upper and lower tack block members 19 and 20 are connected to a pair of left and right endless chains 24 that are respectively tensioned on sprockets 22 and 23 that are provided on both sides of a rotating shaft 21 that extends in the horizontal direction. It is suspended at both ends by .25.

The lower sprockets 26 and 27 may also be connected to each other by a rotating shaft, or may be independent as shown.

rotating shaft 21 and lower sprocket) 26.27
are rotatably provided on side plate-like support members (not shown) provided on both sides.

In Fig. 4, for the sake of simplicity, the temporary attachment is shown as block member 19.2.
0 is shown as if it consists only of parts, but
Actually, it includes the block plate described in connection with L7 and FIG. 3, not shown in FIG. 1, and the block plate is attached to the chain 24.25 via the connecting member 28.29. The upper temporarily attached block member 19 is attached to the chain on the near side as seen in FIG. During the upper and lower tacking, the block members 19 and 20 move toward or away from each other.

The extended left end of the rotating shaft 21 has a tin rocket 30, and a clutch 31 is provided between the sprocket 22 and the sprocket 30.

By operating this clutch 31, the rotation of sprocket 30 is selectively transmitted to sprocket 22.

An endless chain 36 is stretched between the sprocket 30, a tin rocket 33 provided on the shaft of the pressure roll 32, and a sprocket 35 provided on the drive shaft of the motor 34. Therefore, when the clutch 31 is in the connected state, the pressure roll 32 is rotated by the drive of the motor 34, and the rotary shaft 21 is also rotated, so that the temporary attachment block members], 9, and 20 move toward each other. Provide a transmission device (not shown) at an appropriate location so that the moving speed of the temporary lifting block members 1, 9, and 20 is the same as the moving speed of the pressure roll 32. When the clutch 31 is in the released state, the motor 34 only rotates the pressure roll 32.

Separately from the motor 34, a drive device is provided for moving the temporary attachment block members 19 and 20 away from each other. In the embodiment shown in FIG. 4, this drive device is a piston cylinder mechanism 37. The lower end of the piston cylinder mechanism 37 is attached to a fixed member, and the upper end is attached to the chain 24 via a connecting member 38. Therefore, if the piston cylinder mechanism 37 is operated when the clutch 31 is in the released state, the tacking block members 1.9 and 20 can be quickly moved apart regardless of the rotational speed of the pressure roll 32. .

(11) A chain 24°250 is attached to the right end of the rotating shaft 21.
A brake 39 may be provided to maintain the balance.

The operation of the laminator according to the invention will now be described. The basic operation is similar to the conventional laminator described above, but the driving method is different.

Normally, the clutch 31 is in a released state. When the panel carried by the conveyance device positions its front end at the continuous film tacking station and stops, the tacking block member 6 is moved toward the panel, and the continuous film tacking station Temporarily attach the leading edge of the continuous film to the front edge of the panel. When the film tacking by the tacking member is completed, the piston cylinder mechanism 37 is activated, and the tacking block members 19 and 20 are moved away from the continuous film tacking station at a relatively high speed. The panel to which the film has been tacked is moved by a conveying device, and the film is pressed between pressing rolls 32 that are constantly rotated at a constant speed under the driving force of a motor 34.

(12) By receiving a signal to start a series of film cutting operations, the piston cylinder device 37 is placed in an inoperative state where the pressure becomes zero, and the clutch 31 is connected. Then, the tacking block members 19 and 20 move toward the continuous film tacking station at a speed that is the same as the rotational peripheral speed of the pressure roll 32. During this close movement, the cutter moves laterally to cut the film into sheets of film of a predetermined size. After cutting the film, when the tack block members 19, 20 are brought close to a predetermined position, the clutch 31 is released and the tack block members 19, 20 are stopped. After that, the pressure roll 32
continues to rotate, completely crimping the film sheet onto the panel, and waits for the next panel. When the next panel reaches the continuous film tacking station, the same operation is repeated from film tacking.

As described above, the laminator according to the present invention does not require the use of a drive device with a complicated mechanism or the addition of a new drive device, and the tack attachment is performed at the same speed as the rotational speed of the pressure roll on the block member. Speeds of this magnitude and even higher speeds can be easily provided as required.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing the structure of a conventional laminator.
Some parts have been omitted. 2 and 3 are schematic side views for explaining the operation of the laminator, with some parts omitted. FIG. 4 is a perspective view showing an embodiment of the laminator according to the present invention, with some parts omitted and simplified. 19.20...Block member 21...Rotating shaft 22.23...Rotating shaft sprocket 24, . 25... Endless chain 3
1... Clutch 34... Motor 36... Endless chain 37... Drive device (piston cylinder mechanism) Patent applicant Hakuto Co., Ltd. Sunny Giken Co., Ltd. (15)

Claims (5)

[Claims] (1) A laminator for attaching a film sheet cut from a continuous film to a panel, which guides the continuous film while adsorbing it, and tacks the continuous film with the laminator by attaching the leading edge of the continuous film at a station. The tacking member for tacking the continuous film to the front end of the panel includes a member, and the tacking member is movable toward and away from the continuous film tacking station; the tacking member includes a block member; a pair of upper and lower pressure rolls for continuously adhering the continuous film to the panel; and a block member for cutting the continuous film to form the film sheet during the film adhesion process using the pressure rolls; a cutter attached to the block member so as to be movable laterally relative to the cutter;
In the laminator, the laminator includes: a motor; and the crimping roll is rotated by receiving the driving force of the motor; a motion transmission mechanism for imparting movement; and a drive device for imparting the separation movement to the tacking block member;
A laminator characterized in that the temporary attachment has a clutch for making it possible to release motion transmission to the block member. (2) The temporary attachment block member is suspended and supported at both ends by a pair of left and right endless chains stretched on sprockets provided on both sides of a rotating shaft extending in the horizontal direction, and the motion transmission mechanism is 2. The laminator according to claim 1, wherein said tacking is performed by rotating a rocket to give said approaching movement to said block member. (3) The motion transmission mechanism includes an endless chain stretched between the drive shaft of the motor, the rotating shaft, and the axis of the pressure roll. laminator. (4) The laminator according to any one of claims 1 to 3, wherein the drive device includes a piston cylinder mechanism. (5) The driving device includes a piston cylinder mechanism, and one end of the piston cylinder mechanism is attached to the endless chain that suspends and supports the temporarily attached block member. The laminator according to item or item 3.