JPH03101934A - Rotary cutter for cutting film and film adhering device using the same - Google Patents

Abstract

PURPOSE:To rapidly cut a wide film and to adhere it to a board by composing a cutter of a film adhering device of a rotary cutting edge and a stationary cutting edge provided at positions traversing the film. CONSTITUTION:The supply direction end of a laminated film 18 isolated by a film isolation roller 3 by a manual operation is disposed between the front face of a stationary cutting edge 17 of a cutting holding member 10 and the rear face of a rotary cutting edge 16 of a slide base 20, the end of the film 1B is pressed to the member 10 through air diffusing tubes 30, 31, and sections are then continuously operated. According to this, since a rotary cutter 13 formed of the edges 16 and 17 is provided at a position traversing the film 1B, the film 1B is cut merely by momentarily rotating the edge 16. Therefore, the wide film 1B can be rapidly and effectively cut, and adhered to a printed circuit board 14.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a rotary cutter for cutting film and a film pasting device equipped with the same, which mainly uses a photosensitive resin layer and a transparent resin film on a printed wiring board. The present invention relates to an apparatus for thermocompression laminating a laminate film consisting of the following.

[Prior art]

There is a known device that successively attaches a laminate film to each printed wiring board that is carried on a roller conveyor or the like while cutting it in accordance with the length of the board. As this cutting device, a moving force cutter is generally used, which is a cutter having a rotating disc blade that moves back and forth across the laminate film.

[Problem to be solved by the invention]

However, in the conventional moving force cutter described above, in order for the rotating disk blade cutter moving laterally to cut the moving laminate film in the correct orthogonal direction, the reciprocating movement of the moving cutter is performed extremely quickly. It is necessary. That is, the laminate film is generally wide, on the order of 600 tm, which requires the rotary disc blade cutter to travel approximately 700 trra.

In the case of the above-mentioned movement power ter, its movement speed is at most about 0.5 seconds/700 aa from a practical standpoint,
Therefore, the flow velocity of the laminate film is at most about 3
The limit was 1 minute. Moreover, rapidly starting and stopping a rotary disk blade cutter causes a severe impact on the guide member of the cutter, resulting in a large amount of equipment maintenance costs. It is an object of the present invention to provide a film sticking device that can quickly cut a wide film using a film and stick the cut film.

Another object of the present invention is to provide a rotary cutter for cutting films that can quickly cut films.

Another object of the present invention is to provide a rotary cutter for cutting film that can prevent impact on the guide member of the cutter.

The above and other objects and novel features of the present invention will become apparent from the description of this specification and the accompanying drawings.

[Means to solve the problem]

In order to achieve the above object, the present invention provides a film cutting device that sandwiches a continuous film such as a laminate film and cuts the front and rear surfaces of the film, instead of a conventional rotary cutter that rapidly moves across the laminate film. The main feature is the use of a rotary cutter consisting of a wide rotating blade and a fixed blade.

Further, the rotary blade is characterized in that the member that pivotally supports the rotary blade is provided so as to be movable forward, thereby facilitating insertion of the laminate film before the start of operation.

In addition, in a rotary cutter for film cutting equipped with a rotary blade and a fixed blade, the rotary blade is fixed at both ends by being pivoted on a sliding table that can move back and forth toward the film on a support plate connected to the base. The sliding table is fixed at a predetermined position with respect to the support and removal, and is configured to be movable forward away from the film, and the fixed blade moves back and forth from the back of the film toward the film. It is characterized in that it is attached and fixed to a moving cutting holding member.

[Effect]

According to the above means, by providing a rotary cutter consisting of a rotating blade and a fixed blade provided at a position across the film, the continuous film can be cut between the rotating blade and the fixed blade by simply rotating the rotating blade for a moment. Therefore, wide films can be quickly and reliably cut and attached to a substrate.

Further, by providing the member that pivotally supports the rotary blade so as to be movable forward, it is possible to easily insert the continuous film before starting the operation, and therefore workability can be improved.

Further, the rotary blade is provided so as to rotate at a constant angle with both ends pivoted on a sliding table that can move back and forth toward the film on a support plate connected to the base, and the sliding table is The fixed blade is fixed to a predetermined position with respect to the support plate and is movable forward away from the film, and the fixed blade is attached and fixed to a cutting holding member that moves back and forth toward the film behind the film. The film can be cut quickly and impact on the guide member of the cutter can be prevented. Hereinafter, one embodiment of the present invention will be explained in detail using the drawings. It should be noted that throughout the explanation of the embodiments, parts having the same functions are given the same reference numerals, and repeated explanations thereof will be omitted.

[Embodiments of the invention]

FIG. 1 shows a schematic configuration of an embodiment in which the present invention is applied to a film pasting device that heat-presses and laminates a laminate film consisting of a photosensitive resin layer and a transparent resin film on the front and back surfaces of a printed wiring board. show.

As shown in Fig. 1, the film sticking device of this embodiment has the following features:
A laminate film 1 consisting of a three-layer structure of a translucent resin film, a photosensitive resin layer, and a translucent resin film is continuously wound around a supply roller 2. The laminate film 1 on the supply roller 2 is separated by a film separation roller 3 into a translucent resin film (
Laminated film 1B consisting of a protective film) IA, a photosensitive resin layer with one side (adhesive surface) exposed, and a transparent resin film
are separated into each.

One of the separated translucent resin films 1A is configured to be wound up by a winding roller 4. The supply roller 2 and the take-up roller 4 are respectively provided above and below the substrate transport path 1-I.

The leading end side of the other separated laminate film 1B in the feeding direction is fed to a main vacuum plate (film feeding member) 6 through a tension roller 5, as shown in FIG.

The main vacuum plate 6 is configured to approach the film application position and move away from it (moves in the direction of arrow A). That is, the main vacuum plate 6 is provided on a support member 7, and this support member 7 is configured to slide on a guide member 8 in the direction of arrow B. equipment housing)
It is set at 9. The main vacuum plate 6
, each of the support members 7 is provided above and below centering on the substrate transport path I-I, and each of the upper and lower support members 7 is a rack and pinion mechanism, that is, each of the support members 7 is connected to the rack 7A and this rack. The pinion 7A and the pinion 7B that fit together are configured so that the two move toward each other or move away from each other. The driving source is, for example, an air cylinder.

The main vacuum plate 6 is configured to be movable in the direction of arrow A in the same manner as and independently of the movement of the support member 7. The main vacuum plate 6 is moved by a drive source 7C provided on the support member 7 and a rack-and-binion mechanism connected thereto, that is, a pinion 7D connected to the shaft of the drive source 7C, a rack 7E provided on the support member 7, It is composed of racks (not shown) provided on the back surface of the main vacuum plate 6 (the surface other than the suction surface of the laminate film IB).

The tip 6D of the main vacuum plate 6 on the side where the film is attached has a film adsorption surface in an arc shape, and a plurality of film adsorption holes are arranged therein.
The tip end side of the laminate film IB in the supply direction can be suctioned and held on the arc-shaped surface against the elasticity of the laminate film IB. The leading end side in the supply direction of the laminate film IB held by suction at the leading end 6D is aligned with the arrow A of the main vacuum plate 6.
The film is supplied to the film sticking position by movement in the direction.

A cutting holding member 10 is provided between the main vacuum plate 6 and the film attachment position in the vicinity of the supply path of the laminate film IB.

This cutting holding member 10 is connected to the substrate transport path I in the same manner as described above.
-4 are provided above and below, respectively.

This cutting holding member 10 holds the cutting position of the laminate film IB, and holds the leading end side of the newly formed next-stage laminate film IB in the feeding direction after cutting to the leading end portion 6D of the main vacuum plate 6. It is structured so that it can be adsorbed and held. That is, the cutting holding member 10 is configured so that it can approach and move away from the supply path of the laminate film IB (moves in the direction of arrow C). This cutting holding member 10 is provided on the support member 7 with a drive source 7F interposed therebetween. The drive source 7F is composed of, for example, an air cylinder.

Further, the cutting holding member 10 holds the rear end side of the laminate film IB in the feeding direction when cutting the laminate film IB at the cutting position, and holds the rear end side of the laminate film IB in the feeding direction, and uses a vacuum bar (crocodile bar or film rear end holding member) during thermocompression lamination. ) 12 to form a slack on the rear end side in the feeding direction of the laminate film IB. The laminated film IB with this slack is formed by controlling the feeding speed of the laminated film 1B by the main vacuum plate 6 faster than the circumferential speed of the thermocompression roller 11 (thermocompression lamination speed). It is designed to cut the laminate film 1B at the cutting position while performing pressure lamination.

A cutting device 13 is provided at a position facing the cutting holding member 10 with a supply path for the laminate film IB interposed therebetween.

The thermocompression roller 11 is configured to be movable between a retracted position shown by a solid line in FIG. 1 and a film application position shown by a dotted line. The vacuum par 12 is designed to suction and hold the rear end side of the laminate film 1B in the feeding direction, which is to be laminated by thermocompression bonding with the thermocompression roller 11, and to apply appropriate tension to the laminate film 1B so as not to cause wrinkles or the like. It is structured. The vacuum parser 12 is configured to rotate around the thermocompression roller 11. The specific content of this configuration is disclosed in Japanese Patent Application Laid-Open No. 61-205140.
Since it is mentioned in the issue, its explanation will be omitted here. The thermocompression roller 11 and the vacuum roller 12 are respectively provided above and below the substrate transport path II.

The printed wiring board 14 is transported to the board transport path II by a board transport mechanism built in or attached to the film pasting device. In other words, the board transport mechanism transports the printed wiring board 14 to the film attachment position, heat-presses and laminates the laminate film IB onto the printed wiring board 14, and then transports the printed wiring board 14 from the film application position to the next exposure device (evacuation). ). The substrate transport mechanism mainly includes a driving roller 15A and a driven roller 15.
It is composed of B.

In the present invention, a rotary cutter is particularly used as the cutting device 13 for cutting the continuously supplied laminate film IB into a predetermined length.

As mentioned above, the rotary cutter 13 is composed of a set of a rotary blade [6] and a fixed blade 17, which are made to a required length across the laminate film IB, and the rotary blade 16 is originally the same as that shown in FIGS. 3 to 6. As is clear from the figure, it has a blade 818 located diagonally on the upper surface of the band-shaped plate, and is rotated forward and backward at a constant angle around the center of the disks 19 provided at both ends, and rotates around the disk 19. The laminate film IB is connected to the fixed blade 17 supported on the surface.
Cut it by sandwiching it. Then, the fixed blade 1
7 is provided on the holding member 10 for cutting with a sheet-like elastic body (for example, hard rubber) interposed therebetween, and together with the holding member 10 for cutting, is shown in the arrow direction C in FIGS. 1 and 5.
As shown in FIG.

The three parts of this rotary cutter are shown in Figures 2 and 3.
Figure 4 and lower rotary cutter cutting device 13
To explain this using FIG. 5, which is an exploded view, the rotary blade 1
6 is pivotally supported across both side plates 21 of a sliding table 20 which is provided to be movable back and forth with respect to the tensioning device, and a crank part 22 provided at the shaft end is connected via an air cylinder 23 attached to the side plate 2. It is reciprocated and rotated forward and backward at a constant angle. This sliding table 20 is mounted on support plates 26 that protrude from the left and right portions of the back side of a horizontal rod 25 that is horizontally fixed to the base frame of the tensioning device via an L-shaped mounting member 24. It is suspended by engaging the stepped portion 21A of the frame and is normally fixed to the support plate, but it can be freely slid by pulling up the locking knob 27 provided on the top surface against the spring provided inside. can be done. Note that 28 is a stopper with an adjustment screw attached to the lower surface of the sliding table 20, and when the sliding table 20 is pushed toward the fixed blade, the tip of the adjusting screw touches the projection 29 on the upper surface of the support plate 26.
The rotary blade 16 is always held in a predetermined position relative to the fixed blade l7. Reference numerals 30 and 31 are air blowing tubes that are held at both ends by the side plates 21, and have air blowing holes arranged in rows on the circumferential surface, and the blown air heats the laminate film IB when necessary. It is pressed toward the tip of the pressure roller 11 and the main vacuum plate 6. Note that the cutting holding member 10 in this embodiment is provided with a suction hole to suction and fix the laminate film IB when cutting the laminate film 1B.

Next, the cutting operation of the laminate film 1B in the film sticking device of this embodiment will be briefly explained.

First, the leading end side in the feeding direction of the laminate film 1B that has been manually separated by the film separation roller 3 is placed between the front side of the fixed blade 17 of the cutting holding member 10 and the rear part of the rotary blade 16 of the sliding table 20. and the air blowing pipe 30
, 31, the leading end side of the laminate film IB is pressed against the cutting holding member 10, and then each part is operated to perform continuous operation as in the conventional device.

In this case, as mentioned above, the laminate film IB is cut by
The rotary blade 16 is rotated and the laminate film 1B is instantly sandwiched between the fixed blade 17 and the rotary blade 16. At this time, the edge machining 8 of the rotary blade 16
Since the blade is slightly oblique to the axis, cutting resistance is reduced and cutting can be performed reliably and quickly. Also, the rotary blade 16
Even if the blade edge 18 of the blade is slightly oblique to the axis, the laminate film IB is cut when it is temporarily sagging, so there is no risk of the laminate film IB being cut obliquely. Further, when positioning the leading end of the laminate film 1B before starting, the sliding base 20 can be easily pulled forward via the locking knob 27, and after being pulled out, it is sufficient to simply push it back.

As can be seen from the above description, according to the present embodiment, by providing the rotary cutter 13 consisting of the rotary blade 16 and the fixed blade 17 provided at a position across the laminate film IB, the rotary cutter 6 can be cut instantly. Since the laminated film IB is sandwiched between the rotary blade 16 and the fixed blade 17 just by rotating, the wide laminated film IB can be quickly and reliably cut and attached to the printed wiring board 14.

In addition, by providing the member that pivotally supports the rotary blade 16 so as to be movable forward, the laminate film IB before the start of operation is
Since the insertion becomes easier, work efficiency can be improved.

Further, the rotary blade 16 is provided so as to rotate at a constant angle with both ends pivoted on a sliding table 20 that can move back and forth toward the laminate film IB on a support plate 26 connected to the base. , and the sliding table 20 is fixed at a predetermined position with respect to the support plate 26 and is movable forward away from the laminate film 1B, and the fixed blade 17 is configured to move the laminate film 1'B from behind. Since it is attached and fixed to the cutting holding member IO that moves back and forth toward the film IB, the laminated film IB
can be cut quickly, and impact on the guide member of the rotary cutter 13 can be prevented.

〔Effect of the invention〕

As explained above, according to the present invention, the rotary blade and the fixed blade cut the continuous film by rotating the rotary blade for a moment, so that a wide film can be quickly and reliably cut and stretched onto the substrate. Can be attached.

Furthermore, since the continuous film can be easily inserted before the start of operation, work efficiency can be improved.

The rotary blade is rotatably supported at both ends on a sliding table that can move back and forth toward the film on a support plate connected to the base, and the sliding table is rotatable at a constant angle. It is configured to be fixed at a predetermined position with respect to the support plate and movable forward away from the film, and the fixed blade is attached and fixed to a cutting holding member that moves back and forth from the rear of the film toward the film. Continuous film can be cut quickly and impact on the guide member of the cutter can be prevented.

[Brief explanation of drawings]

Fig. 1 is a schematic structural diagram of the entire device according to an embodiment of the present invention; Figs. 2, 3, and 4 are side views, plan views, and front views of a portion of the rotary cutter shown in FIG. 5 is an exploded view of the lower cutting device of FIG. 3, and FIG. 6 is a perspective view of the rotary blade shown in FIGS. 2, 3, and 4. In the figure, IB...Laminated film, 6... Main vacuum plate, 10... Support member for cutting, work 1,
・．． Heat pressure bonding roller, 13... rotary cutter (
cutting device), 14... printed wiring board. 16...
・Rotating blade, 17... Fixed blade, 20... Sliding base, 22
... Crank part, 26 ... Support plate, 27 ... Locking knob.

Claims (3)

[Claims] (1) In a film sticking device that cuts a continuous film into predetermined dimensions and sticks the cut film onto a substrate, a rotary blade consisting of a rotary blade and a fixed blade is provided at a position where the cutting device traverses the film. A film pasting device consisting of a cutter. (2) The rotary blade is provided so as to rotate at a constant angle with both ends pivoted on a sliding table that can move back and forth from the front toward the film on a support plate connected to the base, and The moving table is fixed at a predetermined position relative to the support plate and is movable forward away from the film, and the fixed blade is attached and fixed to a cutting holding member that moves back and forth from the rear of the film toward the film. The film sticking device according to claim 1, further comprising: (3) In a rotary cutter for film cutting equipped with a rotary blade and a fixed blade, the rotary blade is pivoted at both ends on a sliding base that can move back and forth toward the film on a support plate connected to the base. The sliding base is fixed at a predetermined position with respect to the support plate and is movable forward away from the film, and the fixed blade is configured to rotate from the back of the film toward the film. A rotary cutter for cutting film, characterized in that it is attached and fixed to a cutting holding member that moves back and forth.