JPH05338902A - Tape sticking device - Google Patents

Abstract

PURPOSE:To enhance the reliability of operations by sticking respective tapes together in a state that tension is being imparted to the respective tapes in a device wherein both an insulation tape and a conductive foil tape which are delivered from respective supply reels, are intermittently stuck together every specified length. CONSTITUTION:The device is equipped with a first and a second supply reel means 11 and 12 which deliver an insulation tape 1 the surface of which is coated with thermal deposition agent, and a conductive foil tape 2 respectively, and with a take-up reel means 13 taking up a stuck tape 3 which sticks the conductive foil tape in a specified length together with the insulation tape 1 every specified interval. In addition, the device is provided with a heating roll means 14 for the insulation tape 1, a cut and supply means 15 cutting the conductive foil tape 2 every specified interval, and with a press means 16 pressing the conductive foil tape 2 in a specified dimension over the insulation tape. Moreover, a first through a third tape tension setting means 17 through 19 including weight members 34 through 36 each of which pulls each tape downward while being located between paired guide rollers 31 and 31, between paired rollers 32 and 32 and between paired rollers 33 and 33, guiding each tape 1 through 3, are provided in the middle of each moving path of the respective tapes 1 through 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape laminating apparatus for laminating two tapes.

[0002]

2. Description of the Related Art Conventionally, as a device for bonding two tapes to each other, there is a device for bonding a tape fed from a supply reel to a roll for thermocompression bonding and bonding them to each other. The tapes attached to each other had the same length and were continuous and long.

[0003]

However, according to the above-mentioned conventional laminating apparatus, when the tapes to be laminated have the same length, for example, when one short tape is sequentially pasted on one long tape at predetermined intervals. However, there is a problem that the above-mentioned conventional laminating apparatus cannot be used.

Therefore, an object of the present invention is to provide a tape laminating apparatus which can solve the above problems.

[0005]

In order to solve the above-mentioned problems, the tape laminating apparatus of the present invention comprises a conductive foil tape of a predetermined length placed at predetermined intervals on an insulating tape whose surface is coated with a thermal adhesive. A tape bonding device for obtaining a bonded bonding tape, comprising: a first supply reel device for feeding an insulating tape, a second supply reel device for feeding a conductive foil tape, and a take-up reel for winding a bonding tape. A device, a heating roll device of an insulating tape arranged between the first reel supply device and the take-up reel device, and a conductive foil tape fed from a second supply reel device to the heating roll device and at a predetermined time. A cutting and feeding device that cuts at intervals, a pressing device that presses the conductive foil tape supplied onto the heating roll of the heating roll device by the cutting and feeding device from above, A tape tension setting device disposed in the middle of the moving path of each tape, and the cutting and feeding device is moved along the moving direction of the insulating tape and in synchronization with the rotation speed of the heating roll. The tape tension setting device includes a pair of guide rollers for guiding the tape, and a tape between the guide rollers. It is composed of a weight member for pulling downward.

[0006]

In the above structure, in the case of obtaining a pasting tape in which conductive foil tapes of a certain length are pasted on the surface of the insulating tape at predetermined intervals, first the insulating tape is pulled out from the first supply reel device and its tip end is pulled out. After passing through the first tape tension setting device, the heating roll device, and the third tape tension setting device, are fixed to the take-up reel of the take-up reel device, and the conductive foil tape is pulled out from the second supply reel device and the tip portion thereof is pulled out. After passing through the second tape tension setting device, the holder provided on the moving body is held so that the tip thereof projects by a predetermined length.

Next, by moving the moving body in synchronization with the rotation of the heating roll, the tip of the conductive foil tape is positioned on the insulating tape guided by the heating roll, and the conductive foil tape is pressed by the pressing device. After pressing the end of the tape onto the insulating tape to attach it, the holder is opened.

Next, when the laminated tape is wound up for a predetermined length, that is, when the conductive foil tape is adhered for a predetermined length, the holding means holds the conductive foil tape again and the cutting tool conducts electricity. After the foil tape is cut, the moving body is returned to its original position.

Then, the moving body is moved again in synchronization with the heating roll, and the conductive foil tape is attached to the surface of the insulating tape with a predetermined length by the same procedure as described above. A constant tension is applied to each tape by the weight member of each tape tension setting device.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A tape laminating apparatus according to an embodiment of the present invention will be described below with reference to FIGS.

The tape laminating apparatus in this embodiment is
For example, as shown in FIG. 2, it is for producing a laminated tape, that is, a laminating tape, which is used as a material for electronic parts such as a foil wound capacitor (or a coil material for an electrostatic air filter). The joining tape 3 is a conductive foil tape (for example, a tape such as an aluminum foil or a copper foil) having a width narrower than the width of the insulating tape 1 on the insulating tape 1 whose surface is coated with a thermal adhesive as an adhesive. Are bonded to each other by thermocompression bonding.

A tape bonding apparatus for manufacturing such a bonding tape will be described below with reference to the drawings.
As shown in FIG. 1, the tape laminating apparatus according to the present embodiment is roughly divided into a first supply reel device 11 for feeding the insulating tape 1, a second supply reel device 12 for feeding the conductive foil tape 2, and a laminating device. A take-up reel device 13 for winding the tape 3, a heating roll device 14 for the insulating tape 1 arranged between the first reel supply device 11 and the take-up reel device 13, and a second supply reel device 12 are fed out. The electrically conductive foil tape 2 is supplied to the heating roll device 14 and is cut at predetermined intervals, and the electrically conductive foil tape 2 supplied to the heating roll device 14 side by the cutting and feeding device 15 is an insulating tape. 1. A pressing device 16 that presses the upper surface from above, and first to third tape tension setting devices 17 to 19 that are respectively arranged in the moving paths of the tapes 1 to 3. Are al configuration.

The first and second supply reel devices 11,
12 is a supply reel 2 around which the tapes 1 and 2 are wound.
1, 22 and electric motors 26, 27 for rotating these supply reels 21, 22.

The take-up reel device 13 is composed of a take-up reel 23 for taking up the laminating tape 3 and an electric motor 28 for rotating the take-up reel 23.

The tape tension setting devices 17 to 19 are
A pair of guide rollers 31, 32, 3 for guiding each tape
3 and a weight member (also referred to as counterweight) 34, 35, 36 for pulling the tape between the pair of guide rollers 31, 32, 33 downward. As the guide roller 33 on the upper hand side for guiding the bonding tape 3, a feed roller device 33A having a feed function is used.

The second and third tape tension setting devices 18, 19 are provided with upper limit position detectors 37, 38 and lower limit position detectors 39, 40 for detecting the upper and lower limit positions of the weight members 35, 36, respectively. Each reel device 1 is detected by the detection signals of the upper limit position and the lower limit position of the weight members 35, 36 by the position detectors 37-40.
The electric motors 27 and 28 of Nos. 2 and 13 are turned on and off.

The heating roll device 14 is composed of a heating roll 51 having a heater therein and an electric motor 52 for rotating the heating roll 51. The pressing device 16 has the above-mentioned structure. It is composed of a pressing cylinder device 54 that presses the conductive foil tape 2 moved onto the heating roll 51 that guides the insulating tape 1 from above via the pressing roller 53.

The feed roller device 33A disposed on the upper side of the third tape tension setting device 19 is rotationally controlled in synchronization with the rotation of the heating roll 51.

A first tape guide member 56 for guiding the insulating tape 1 and a second tape guide member 57 for guiding the laminating tape 3 are arranged at the front position and the rear position of the heating roll device 14. There is.

Further, the cutting and feeding device 15 is reciprocally moved by the first moving device 61 along the moving direction of the insulating tape 1 in synchronization with the rotation speed of the heating roll 51.
The moving body 63 and the first moving body 63 are provided with the second moving device 6
2 comprises a second moving body 64 movably provided in the moving direction thereof, and a holding tool 65 and a cutting tool 66 for the conductive foil tape 2 attached to the second moving body 64.

The first moving device 61 includes a moving belt 73 wound endlessly around a pair of front and rear pulleys 71 and 72.
The rotary driving force of the heating roll 51 is transmitted to the one pulley 71 as it is, and the clutch 7
4, a driving force transmission mechanism (for example, a transmission shaft, a transmission gear, etc.) 75, an operating plate 76 attached to the moving belt 73, and the operating plate 76.
And a moving cylinder device 77 that moves the moving belt 73 in a predetermined direction by pressing the moving belt 73. The moving belt 73 is connected to the first moving body 63 via a connecting member 78.

The second moving device 62 includes a first moving body 63.
A screw shaft body 82 rotatably arranged along the moving direction of the insulating tape 1 and via a bearing 81, an electric motor 83 for rotating the screw shaft body 82, and a screw shaft body 82 screwed into the screw shaft body 82. The nut body 84 and the second moving body 64 are connected to the nut body 84.

Further, the holder 65 is composed of the first moving body 63.
An elevator body 92 that is vertically movable through an elevator guide member 91, an elevator cylinder device 93 that raises and lowers the elevator body 92 by a predetermined height, and a conductive foil tape 2 that is provided on the elevator body 92 and that has a conductive foil tape 2. A pair of holding claws 94 that can be held and released freely
And a cylinder device (not shown) for opening and closing the holding claws 94 in the vertical direction.

Further, the cutting tool 66 is the holding tool 65.
A predetermined distance forward with respect to the heating roll 5
The cutting tool 66 is arranged at a position closer to 1 and is attached to the cutting cylinder device 96 attached to the second moving body 64 in the vertical direction, and to the rod part for withdrawal of the cutting cylinder device 96. It comprises a cutting blade 97.

Then, the cutting blade 97 is moved up and down by the cutting cylinder device 96 to cut the conductive foil tape 2 extending forward from the pair of holding claws 94. Note that, as described above, the cutting tool 66 is provided at the front position with respect to the holding tool 65 by a predetermined distance. Therefore, when the conductive foil tape 2 is cut, the conductive foil is always moved by a predetermined distance from the holding claw 94. The tip of the tape 2 is projected.

The centers of the tape guide members 56 and 57 for guiding the insulating tape 1 and the bonding tape 3 and the moving center of the conductive foil tape 2 are aligned with each other.

Next, the tape bonding process will be described. First, while pulling out the insulating tape 1 from the first supply reel 11, the leading end of the insulating tape 1 is passed through the weight member 34 and the first tape guide member 56 of the first tape tension setting device 17 and the heating roll 5 of the heating roll device 15.
The first and second tape guide members 57 and the weight member 36 of the third tape tension setting device 19 are fixed to the take-up reel 23 of the take-up reel device 13, and the weight member 34 of the first tape tension setting device 17 is fixed. The weight member 36 of the third tape tension setting device 19 is set to the upper limit position at the lower limit position.

Further, the first moving body 63 and the second moving body 6
4 are moved to the rear positions respectively, and the conductive foil tape 2 is moved from the supply reel 22 of the second supply reel device 12 to the conductive foil tape 2.
Of the second tape tension setting device 18 and the holding member 65 provided on the second moving body 64 through the weight member 35 of the second tape tension setting device 18.
3, the holding tool 65 is moved to the raised position (the position shown in FIG. 1) and the conductive foil tape 2 is in a state in which the tip of the conductive foil tape 2 is projected to the cutting position by the cutting tool 66 as shown in FIG. So that

In this state, the first supply reel device 1
The supply reel 21, the heating roll 51, and the feed roller device 33A of No. 1 are rotated at a predetermined speed.

Next, the clutch 74 is connected to the moving belt 7 with the driving force of the heating roll 51 and in synchronization therewith.
3 is moved in the direction of arrow a, and the second moving device 6
After the nut body 84 is moved forward by the second electric motor 83, the electric motor 83 is stopped. Therefore, the first moving body 63, that is, the conductive foil tape 2 is moved at the same speed as the insulating tape 1.

The tip of the conductive foil tape 2 is the heating roll 51.
When it reaches the upper position, the lifting cylinder device 93 provided in the second moving body 64 lowers the lifting body 92, that is, the holder 65, so that the tip of the conductive foil tape 2 is an insulating tape on the heating roll 51. 1 is placed on top.

When the tip of the conductive foil tape 2 is placed on the upper surface of the insulating tape 1, the pressing roller 53 is lowered by the pressing cylinder device 54, and the conductive tape 1 is heated on the insulating tape 1 by the heating roll 51. The front end of the foil tape 2 is pressed and attached, the pair of holding claws 94 of the holder 65 are opened, the clutch 74 is disengaged, and the second moving body 64 moves the second moving body 64 backward. Will be returned.

In this state, the insulating tape 1 and the conductive foil tape 2 are pulled out by the feed roller device 33A at a predetermined speed. At this time, the insulating tape 1 and the conductive foil tape 2 are given a predetermined tension by the weight members 34 and 35, respectively.

On the other hand, the bonding tape 3 in which the conductive foil tape 2 is bonded to the insulating tape 1 is given a predetermined tension by the weight member 36 of the third tape tension setting device 19. When the weight member 36 reaches the lower limit position, the detection signal from the lower limit position detector 40 operates the electric motor 28 of the take-up reel device 13 to wind the take-up reel 23. When the weight member 36 reaches the upper limit position, the rotation of the take-up reel 23 is stopped by the detection signal of the upper limit position detector 38.

Similarly, the second tape tension setting device 1
When the weight member 35 in 8 reaches the upper limit position, the electric motor 27 is operated by the detection signal of the upper limit position detector 37, and the conductive foil tape 2 is fed from the supply reel 22. Of course, this feeding is stopped when the weight member 35 reaches the lower limit position.

When the feeding length of the conductive foil tape 2 reaches a predetermined length, the clutch 74 is reconnected, the holding foil 65 holds the conductive foil tape 2 again, and the cutting tool 66 conducts the conductive foil. Cut the foil tape 2.
When the disconnection is completed, the clutch 74 is disengaged, and the moving cylinder device 77 causes the operating plate 76 to
The moving belt 73 is moved in the direction of the arrow b to return the first moving body 63 to the original position, and the electric motor 83 of the second moving device 62 is operated to return the second moving body 64 to the original rear position. ..

On the other hand, when the cut end of the conductive foil tape 2 passes through the pressing roller 53, the pressing cylinder device 5 is pressed.
When the pressing roller 53 is raised by 4, the conductive foil tape 2 having a predetermined length is attached to the surface of the insulating tape 1.

Then, after again raising the elevating body 92, that is, the holder 65 by the elevating cylinder device 93, the next conductive foil tape 2 is attached to the insulating tape 1 by a predetermined length by the same procedure as above. Attached to the surface.

As mentioned above, the cutting tool 66 is used.
Is provided on the same second movable body 64 as the holder 65, the length of the conductive foil tape 2 protruding from the holder 65 after being cut is always constant, and the second movable body 64 is moved forward. When this is done, the tip of the conductive foil tape 2 can always be positioned on the heating roll 51, so that the pasting operation can be performed subsequently.

Further, at the time of starting and stopping the driving motor for each reel, as shown in FIG. 3, the acceleration and deceleration times are provided so that unreasonable tension, that is, transiently strong tension, does not act on each tape. Is considered as.

Further, in the above structure, when the insulating tape 1 and the conductive foil tape 2 are pulled out by the guide roller 33A and the bonding tape 3 is wound by the winding reel 23, the weight members 34, 3 are respectively provided.
Due to the constant tension applied by 5, 36, even the two tapes to be bonded are very thin (for example, about 10 to 20 μm) and have a narrow width (for example, 5
(mm or less), it can be wound up smoothly and neatly with a simple structure.

By the way, in the above-mentioned embodiment, the holding claw has been described as the holding tool for holding the conductive foil tape.
For example, a vacuum chuck may be used to hold the tip of the conductive foil tape.

[0043]

As described above, according to the configuration of the present invention, the conductive foil tape drawn from the second supply reel device can be attached to the insulating tape drawn from the first supply reel device by a predetermined length. it can.

Since a weight member is used to apply a predetermined tension to each tape, the structure is extremely simple as compared with the case where the rotation speed of the electric motor for driving the supply reel is controlled, for example. A predetermined tension can be applied.

[Brief description of drawings]

FIG. 1 is a diagram showing a schematic overall configuration of a tape laminating apparatus according to an embodiment of the present invention.

FIG. 2 is a perspective view of a bonding tape in the example.

FIG. 3 is a graph diagram showing a payout and winding speed pattern in each reel device of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Insulation tape 2 Conductive foil tape 3 Laminating tape 11 1st supply reel device 12 2nd supply reel device 13 Take-up reel device 14 Heating roll device 15 Cutting supply device 16 Pressing device 17-19 Tape tension setting device 21,22 Supply Reel 23 Take-up reel 31-33 Guide roller 34-36 Weight member 51 Heating roll 61 First moving device 62 Second moving device 63 First moving body 64 Second moving body 65 Holding tool 66 Cutting tool

Front Page Continuation (72) Inventor Hiroyuki Miyata 5-3-2, Nishikujo 5-chome, Konohana-ku, Osaka City, Osaka Prefecture Hitachi Shipbuilding Co., Ltd.

Claims (1)

[Claims] 1. A tape laminating apparatus for obtaining a laminating tape in which a conductive foil tape of a predetermined length is laminated at a predetermined interval on an insulating tape having a surface coated with a thermal adhesive, the insulating tape being an insulating tape. A first supply reel device for feeding
A second supply reel device for feeding out the conductive foil tape, a take-up reel device for winding the laminating tape, and an insulating tape heating roll device arranged between the first reel supply device and the take-up reel device, A cutting and feeding device that feeds the conductive foil tape fed from the second supply reel device to the heating roll device and cuts at predetermined intervals, and a conductive foil that is fed by the cutting and feeding device onto the heating roll of the heating roll device. It comprises a pressing device that presses the tape from above, and a tape tension setting device that is respectively arranged in the moving path of each tape, and the cutting and supplying device is provided along the moving direction of the insulating tape and the heating roll. Composed of a moving body that is moved in synchronism with the rotation speed of, and a holding tool and a cutting tool for the conductive foil tape provided on the moving body,
Further, the tape tension setting device comprises a pair of guide rollers for guiding the tape and a weight member for pulling the tape between the guide rollers downward.