JP5273546B2 - Film bonding equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enhance manufacturing efficiency by automating everything from the delivery of a splice film to splicing the head end of the film to the tail end of the preceding film only by setting into a tip end positioning device for the splice film, and by eliminating both time for heating and cooling of a film forming device during film loading work, and time for releasing to atmosphere and vacuuming. <P>SOLUTION: In the film joining device 33, the head end of a splice film 4a, pasted with a joining tape 9 and pulled out of a next film roll, is joined to the tail end of a preceding film 4 precedingly fed from a film roll 1. The film joining device includes: a clip-type tip end positioning device 5 of the splice film for positioning the head end of the splice film 4a, pasted with a joining tape 9 and placed on an unwinding part 31, to the delivery position; a delivery device 6 of the splice film for grasping and changing grasping the head end of the splice film 4a using a rotation mechanism 10, and for positioning to a predetermined position for joining; and film joining means for overlapping and pressure joining the preceding film 4 and the splice film 4a using the rotation mechanism 10. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention uses the beginning of a strip-like tape, film, web, etc. (hereinafter collectively referred to as a film) wound in a roll shape, as in the case of supplying a continuous film wound in a roll shape around a core. The present invention relates to a film joining apparatus that is pulled out and connected to the end of the preceding film.

Conventionally, in order to successively draw out a film sequentially from a plurality of rolls, it is common for an operator to join the end portion of a preceding film and the start end portion of a film to be connected with an adhesive tape or the like ( For example, see Patent Document 1).
In addition, even when films are automatically joined, the film gripping mechanism used is presumed to be used in the atmosphere because there are many air adsorption mechanisms.

JP 2005-145708 A

  The problem to be solved by the present invention is that the film roll is loaded on the film support shaft without manually pulling out the film start end of the film roll and set at a predetermined position, and the start end is a clip-type connecting film tip positioning device. It is possible to automatically perform everything from the feeding of the connecting film to the connection of the leading end of the film to the end of the preceding film, or the operation while looking at the inside from the outside of the device, or the monitor. By carrying out remote operation while watching it, the film loading operation at the time of bonding in the atmosphere is excluded.

  Further, the problem to be solved by the present invention is that a film forming apparatus that transports a film (vertical type, horizontal type) by roll-to-roll performs a vacuum during film loading operation by connecting the film in a heating vacuum. It is intended to improve the production efficiency by excluding the heating / cooling time of the device, opening to the atmosphere, and evacuation time.

  That is, the object of the present invention is to automatically perform all the steps from the feeding of the connecting film to the connection of the leading end of the preceding film to the end of the preceding film only by setting the connecting film leading end positioning device, and at the time of film loading operation. It is an object of the present invention to provide a film bonding apparatus capable of improving the production efficiency by excluding the heating / cooling time, opening to the atmosphere, and evacuation time of the film forming apparatus.

To solve the problems of the prior art, the present invention is, at the end of the preceding film fed ahead from the film roll, the deposition of joining starting end of the connection film drawn from the following film roll The film bonding apparatus of the apparatus includes three vacuum chambers defined by a vacuum shut-off device and an outer peripheral wall, and the three vacuum chambers include a first unwinding chamber, a second unwinding chamber, and a bonding chamber. The vacuum shut-off device is provided between the first unwinding chamber and the second unwinding chamber and the joining chamber, respectively, and vacuum means for evacuating the first unwinding chamber further wherein the the starting end of the connecting film to the first unwinding chamber, and the connecting film leading end positioning device for positioning the extended position, the the first unwinding chamber, the start of the 掴 seen instead of the connecting film Performed, and includes a connection film feeding device for aligning to a Jo Tokoro, said bonding chamber, and a film bonding means for bonding the connecting film and the preceding film using a rotation mechanism.

And this invention, Preferably, in the said Claim 1, the said connection film front-end | tip positioning device reciprocates in the said vacuum interruption | blocking apparatus provided between the unwinding chamber and the joining chamber, and the said connection film start end is carried out. It is positioned at the feeding position .

In the present invention, it is preferable that the connection film joining means includes a feeding rotary drum having a projection having a spring mechanism and a conveying roller, and the connection film feeding device includes the projection and the connection film starting end. The connecting film joining means has a function of accommodating the protrusion at the joining portion after the connecting film joining means is fed to the predetermined joining position using a rotating mechanism .

Furthermore, the present invention is preferably a film cutting device that cuts off the remaining film material at the end of the preceding film and releases the remaining film material from the connection position, and a film that transfers the connection film from the bonding position to the transport position. And a transfer device .

As described above, the film joining apparatus of the film forming apparatus according to the present invention joins the starting end of the connecting film drawn from the next film roll to the end of the preceding film fed in advance from the film roll. Comprising three vacuum chambers defined by a vacuum shut-off device and an outer peripheral wall, the three vacuum chambers being a first unwinding chamber, a second unwinding chamber, and a joining chamber; The vacuum shut-off device is provided between the first unwinding chamber and the second unwinding chamber and the joining chamber, and further includes a vacuum means for evacuating the first unwinding chamber. the starting end of the connecting film to said first unwinding chamber, and the connecting film leading end positioning device for positioning the extended position, the first unwinding chamber, performs start of 掴 seen instead of the connecting film, where In place A connecting film feeding device for combined, the junction chamber is to have a film bonding means for bonding the connecting film and the preceding film using a rotation mechanism.
In the present invention, the connecting film leading edge positioning device reciprocates in the vacuum shut-off device provided between the unwinding chamber and the bonding chamber to position the connecting film starting end at the feeding position. ing.
Furthermore, in the present invention, the connection film joining means includes a feeding rotary drum having a projection having a spring mechanism and a conveying roller, and the connection film feeding device includes the projection and a hole at a connection film start end. The connecting film joining means has a function of storing the protrusion at the joining portion after the connecting film starting end is fed out to a predetermined joining position using a rotating mechanism.

Therefore, according to the present invention, the current film and the current film can be joined, for example, by adhering the joining tape to the terminal portion of the film drawn from the next film roll, and superposing the preceding film and the connection film to press-contact. . The joining is not limited to this, and an adhesive, welding, or the like can be used, and the ends can be joined together without overlapping.
  In addition, according to the present invention, the clip-type connecting film tip positioning device can be used for a vertical transport film because the film end is mechanically gripped.
  Furthermore, since it is composed of materials and mechanisms that can be used in the vacuum device, the connecting film starting end can be positioned at the feeding position through a vacuum shut-off device provided between the unwinding chamber and the joining chamber. In addition, when installed in a vacuum device, the film roll can be replaced simply by opening and closing the vacuum shut-off device provided between the unwinding chamber and the joining chamber and opening only the unwinding chamber to the atmosphere. it can.
  In addition, according to the present invention, since the film end is gripped by mechanical sandwiching, it can be reliably gripped and transported not only in the horizontal transport but also in the vertical transport.

Further, in the present invention, a film cutting device that cuts off the remaining film material at the end of the preceding film, and releases the remaining material of the film from the connection position; and a film transfer device that transfers the connection film from the bonding position to the transport position; Is further provided.
Therefore, according to the film bonding apparatus of the present invention, the film roll can be pulled out with a simple mechanism, and at the same time, both apparatuses of the film bonding apparatus are performed in one action at the same time as the connecting film feeding apparatus up to a predetermined bonding position. This minimizes the time required for joining.

It is a schematic diagram which shows the connection film start end part of the joining apparatus of the film which concerns on embodiment of this invention. It is a schematic diagram which shows the film junction part of the joining apparatus of the film which concerns on embodiment of this invention. It is a workflow in the vacuum of the joining apparatus of the film which concerns on embodiment of this invention. It is the schematic of the film-forming apparatus by the roll-to-roll by vertical conveyance, (A) is a top view of the whole structure which shows the Example in the vacuum of the bonding apparatus of the film which concerns on embodiment of this invention, (B) is FIG. 3 is a detailed view of the Y1 part in FIG. 5A, and FIG. 7C is a detailed view of the Y2 part in FIG. It is a side view in the vacuum of the film bonding apparatus of the film-forming apparatus which concerns on embodiment of this invention. (1)-(5) is process drawing which shows the joining apparatus of the film which concerns on embodiment of this invention. In the film bonding apparatus which concerns on embodiment of this invention, it is process drawing which shows a connection film supply apparatus and the beginning of a film bonding process. In the film joining apparatus according to the embodiment of the present invention, it is a detailed view showing a hook for feeding a connection film that uses a rotating mechanism to grip and replace the connection film starting end and align it with a predetermined joining position.

  Hereinafter, the film bonding apparatus according to the present invention will be described in detail based on the embodiments with reference to the drawings.

  A film joining apparatus 33 according to an embodiment of the present invention is schematically configured as shown in FIGS. 1 and 2, and a pair of cores 3A and 3B whose forward and reverse rotations can be freely controlled by a servo motor (not shown). The core 3A is disposed on the connection film side, and the core 3B is disposed on the preceding film side. In FIG. 2 and FIG. 6 to be described later, the case where the starting edge of the film roll waiting on the core 3A is connected to the terminal portion of the film 4a fed from the core 3B is shown. Is also done in the same way.

Hereinafter, for the sake of convenience, the connection side will be referred to as the A side, and the side that is currently pre-feeding will be described as the B side.
A connecting film tip feeding device 6 that moves linearly by appropriate driving means such as a piston cylinder and a connecting film clip chuck 5 connected thereto are arranged along the film conveyance path from the cores 3A and 3B. In relation to the feeding rotary drum 10, a feeding hook (protrusion) 11 having a spring mechanism 15 (see FIGS. 7 and 8) is disposed.
This is because the clip-type chuck 5 is released at the stage where the feeding hook 11 grips the connection film 4 by the feeding rotary drum 10 and is flipped up by a spring mechanism 15 as shown in FIG. It has a structure that does not interfere with transportation. A guide roller 12 is attached to the outer periphery of the feeding rotary drum 10.

  In addition, a large number of holes 8 are formed at predetermined intervals along the width direction at the starting edge of the connection film 4a, and a bonding tape 9 is affixed to the side facing the preceding film 4 Has been. Therefore, in the film bonding apparatus according to the present embodiment, as shown in FIG. 2, the film feeding hook installed at the end of the feeding rotary drum 10 in the opening 8 of the connecting film 4a by the feeding device 6 as shown in FIG. 11 is engaged, and in this state, when the feeding rotary drum 10 whose forward / reverse rotation can be freely controlled by a servo motor (not shown) is rotated, the start end of the connection film 4a is transferred from the standby position, and the preceding film 4 and It is designed to be set at the joint position.

Furthermore, the film bonding apparatus 33 according to the present embodiment includes a film bonding unit that overlaps and press-contacts the films 4a and 4 on both the 3A side and the 3B side. This film joining means has a feeding rotary drum 10 and a conveying roller 13, and the films 4a and 4 on the 3A side and 3B side are sandwiched between the feeding rotary drum 10 and the conveying roller 13 at a predetermined position. It is comprised so that it may join by pressing.
Here, the feeding rotary drum 10 and the conveying roller 13 are arranged on different axes, but the feeding rotary drum 10 is controlled by a servo motor (not shown). On the other hand, the transport roller 13 is a roller that freely rotates in parallel with the movement of the film 4 without being restricted.
Further, a preceding film end gripping / cutting device 7 for cutting off the end portion of the preceding film 4 after joining is disposed before the films 4a, 4 on both the 3A side and the 3B side are joined at a predetermined position.

  FIG. 3 shows the workflow of joining the films 4a and 4 and the film rolls 3A and 3B in the joining apparatus 33 such as the film forming apparatus 50 for reference.

4A to 4C are schematic views of a film bonding apparatus 33 in a film-forming apparatus 50 based on roll-to-roll by vertical conveyance. FIG. 4A is an overall plan view, and FIG. FIG. 4A is a detailed view of a Y1 portion in FIG. 4A, and FIG. 2C is a detailed view of a Y2 portion in FIG. FIG. 5: has shown the side view in the vacuum of the film joining apparatus of the film-forming apparatus which concerns on embodiment of this invention.
As shown in FIGS. 4A to 4C and FIG. 5, the unwinding portion 31 of the film forming apparatus 50 is provided with a film bonding apparatus 33. The joining device 33 has three vacuum chambers 30 defined by a vacuum shut-off device 35 and an outer peripheral wall 36. The vacuum chamber 30 includes a first unwinding chamber 30A and a second unwinding chamber. It consists of a chamber 30B and a bonding chamber 30C. The connection film roll 1 and the core 3A are mainly disposed in the first unwinding chamber 30A, and the preceding film roll 2 and the core 3B are mainly disposed in the second unwinding chamber 30B. The feeding rotary drum 10 and the conveying roller 13 are mainly disposed in the 30C. A vacuum shut-off device 35 is provided between the first unwinding chamber 30A, the second unwinding chamber 30B, and the joining chamber 30C.
Thus, only the first unwinding chamber 30A of the new film roll 1 is opened to the atmosphere without opening the entire vacuum chamber 30 to the atmosphere when the film roll is replaced. After setting, the hole 8 at the start end of the film 4 is set in the connecting film leading edge feeding device 6, and then only the first unwinding chamber 30A of the new film roll 1 is evacuated to replace the old and new films. It is possible.
After the evacuation, as shown in FIG. 5, the connecting film leading edge feeding device 6 can be performed by reciprocating the inside of the vacuum interrupting device 35 when the connecting film starting end needs to be fed.

A method of joining the film 4 by the joining apparatus 33 of the present embodiment configured as described above will be described with reference to the process diagram shown in FIG.
In FIG. 6 (1), the connection film 4a on the A side (film roll 1 and core 3A) side is set in the connection film clip type chuck 5 in advance, and the connection set when the preceding film 4 approaches the end. The film 4 a is fed toward the feeding rotary drum 10, and preparations for gripping and transferring by the feeding rotary drum 10 are performed. In addition, the preceding film 4 on the B side (film roll 2 and core 3B) side is stopped and preparation for bonding is performed.

  In FIG. 6B, when the film feeding hook 11 installed at the end of the feeding rotary drum 10 is fitted into the hole 8 at the connection film starting end on the A side, the previous connecting film clip chuck 5 The connection film 4 is opened. Then, when the feeding rotary drum 10 whose forward / reverse rotation can be freely controlled by a servo motor (not shown) is rotated, the starting end portion of the connection film 4a is transferred from the standby position and set to the joining position with the preceding film 4. The preceding film 4 on the B side is still stopped and waits for bonding.

In FIG. 6 (3), the A-side connecting film 4 a and the B-side preceding film 4 are pressed against each other by the feeding rotary drum 10 and the conveying roller 13 to start joining. At this time, the retractable film feeding hook 11 having the spring mechanism 15 receives pressure from the conveying roller 13 and is stored closer to the center than the outer peripheral surface of the feeding rotary drum 10.
Further, the joining is stopped immediately after the joining is started, and the preceding film 4 on the B side is gripped / cut by the preceding film end gripping / cutting device 7 at a predetermined position. Thereafter, the rotation of the rotating drum 10 on the A side and the winding speed of the preceding film 4 on the B side are run in parallel, thereby joining up to the cutting end of the preceding film terminating portion on the B side.

  FIG. 6 (4) shows a state in which the pressure welding of the connection film 4 on the A side (film roll 1 and core 3A) and the preceding film 4 on the B side (film roll 2 and core 3B) is completed. ing. Here, the joined connection film 4 is transferred to the conveyance line path by the guide roller 12 attached to the outer peripheral portion of the feeding rotary drum 10. Further, the remaining material after cutting the preceding film 4 on the B side is wound and collected.

  6 (5), the connection film 4 transferred to the conveyance line path by the guide roller 12 in FIG. 6 (4) is set on the circumference of the free rotation conveyance roller 13 that follows the movement of the film. Then, the conveyance of the newly connected film roll 1 is started. At this time, on the B side (film roll 2 and core 3B), the remaining material of the preceding film 4 is collected, and then the film roll is replaced with a new connection film 4.

  The above operations can be performed manually by button operation, but a series of operations can also be performed automatically.

7 and 8 show that in the feeding rotary drum 10 , the hook 11 of the protruding portion having the spring mechanism 15 is fitted into the hole 8 in the connection film starting end portion, and the feeding rotary drum 10 is rotated to connect the connection film to a predetermined position. 4 shows a mechanism in which a hook 11 having a spring mechanism 15 is pressed and rotated around a film feeding hook rotating shaft 16 after being fed out from the starting end of 4a .

FIGS. 7A and 8 show the film grip standby state. The hook 11 protruding from the outer periphery of the feeding rotary drum 10 by the spring mechanism 15 is fitted into the hole 8 at the connection film start end, and the film start end is transferred to the vicinity of the outer periphery of the B-side transport roller 13.
FIG. 7 (2) shows a state where the film start end is transferred. At this time, the hook 11 is pressed against the connection film 4 a, and only the hook 11 is fed out and protrudes outward from the outer periphery of the rotating drum 10.

  When the rotating drum 10 continues to rotate and comes into contact with the outer peripheral surface of the B-side transport roller 13, as shown in FIG. 7 (3), the hook 11 protruding by the spring force of the spring mechanism 15 The outer peripheral surface of the conveying roller 13 is pressed against the outer peripheral surface of the feeding rotary drum 10 and stored in the center side. Thereby, it becomes possible to hold | grip the connection film 4a, without preventing the movement of the connection film 4a which has already started joining.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various changes and modifications can be made based on the technical idea of the present invention.

1 connecting film roll 2 preceding film roll
3 core
4, 4a Film 5 Connecting film clip type chuck 6 Connecting film tip feeding device
7 Leading film end gripping and cutting device
8 Connection film start end hole
9 Connection film start edge bonding tape
10 Feeding rotary drum 11 Film feeding hook
12 Guide roller
13 Transport roller
15 Spring mechanism
16 Film Rotating Hook Rotating Shaft 30 Vacuum Chamber 31 Unwinding Unit 32 Winding Unit 33 Bonding Device 35 Vacuum Shut-off Device

Claims (4)

In the film joining apparatus of the film forming apparatus for joining the starting end part of the connecting film drawn from the next film roll to the terminal part of the preceding film fed in advance from the film roll,
It has three vacuum chambers defined by the vacuum shut-off device and the outer wall,
The three vacuum chambers are a first unwinding chamber, a second unwinding chamber, and a joining chamber,
Between the first unwinding chamber and the second unwinding chamber and the joining chamber, the vacuum shut-off devices are respectively provided.
A vacuum means for evacuating the first unwinding chamber;
A connection film tip positioning device for positioning the start end of the connection film in the first unwinding chamber at a feeding position;
Wherein the first unwinding chamber, performs start of 掴 seen instead of the connecting film, and the connecting film feeding device for aligning to a Jo Tokoro,
A film bonding apparatus comprising: a film bonding means for bonding the preceding film and the connection film using a rotation mechanism in the bonding chamber . The connecting film leading edge positioning device is configured to reciprocate in the vacuum shut-off device provided between the unwinding chamber and the joining chamber to position the connecting film starting end at the feeding position. The film bonding apparatus according to claim 1. The connecting film joining means includes a feed-out rotating drum and a conveying roller provided with a protrusion having a spring mechanism,
The connection film feeding device fits the protrusion and the hole of the connection film start end,
The connecting film bonding means, after out Repetitive said connecting film start to the joining place using the rotating mechanism, to claim 1 or 2, characterized in that a function of the protrusion is accommodated in the joint The film bonding apparatus as described. A film cutting device that cuts off the remaining film material at the end of the preceding film and releases the remaining material of the film from the connection position; and a film transfer device that transfers the connection film from the bonding position to the transport position. The film bonding apparatus according to any one of claims 1 to 3, wherein

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