JPH0977128A - Seal device of embossed carrier tape - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the delivery of a product in a mistaken housing direction by arranging a sensor detecting the presence of a tape main body from the center line passing the center of a product housing part toward a feed winding hole. SOLUTION: In a seal process of an embossed carrier tape, one product housing part 55 is intermittently fed as one pitch while a tape main body 52 is unwound and taken up and a product W is housed in the product housing part 55 and the upper surface of the tape main body 52 is covered with a top cover tape on the rear side thereof and both end parts thereof are heat-sealed to the tap main body 52. In this case, a sensor 20 is arranged in order to judge the housing direction of the product W when the tape main body 52 is fed. The sensor 20 is arranged on the rear surface side of the tape main body 52 from the center line C passing the center of the product housing part 55 toward a feed winding hole 57 at a position separated by a distance S longer than the distance E from the center line to the end on the side reverse to the hole 57 of the tape main body 52.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for sealing an embossed carrier tape, and more particularly to a product storage device in which products such as semiconductor devices are stored biased to one of the left and right sides when viewed in the width direction. And a top surface of the tape main body, in which holes for carrying and winding are formed on the opposite side of the product storage section at regular intervals along the longitudinal direction,
The present invention relates to one in which a top cover tape is joined while transporting the tape main body along the longitudinal direction so as to cover the product storage portion.

[0002]

2. Description of the Related Art FIG. 4 shows an embossed carrier tape.
The one having a structure as shown in is general. In the embossed carrier tape 50 of the illustrated example, product accommodating portions 55 having a rectangular shape in a plan view and a trapezoidal shape in a side view, which are depressed from the upper surface along the longitudinal direction of the tape body 52, are formed at regular intervals. The product storage portion 55 is formed so as to be biased to one of the left and right sides (here, the left side along the transport direction) when viewed in the width direction of the tape main body 52, and is biased to the opposite side for transport winding. Round holes 57 are formed at regular intervals along the longitudinal direction. The product storage portion 55 is formed by die molding, thermal vacuum molding, or the like, and a round hole 56 is formed in the bottom portion of the product storage portion 55.

In this embossed carrier tape 50, a product W such as a semiconductor device is stored in the product storage portion 55 in a predetermined direction / posture (for example, the mark m is at the left front end when viewed in the transport direction). After that, a top cover tape 60 is covered along the longitudinal direction of the tape body 52 so as to cover the product storage portion 55, and both end portions 61, 62 of the top cover tape 60 are covered.
Is heat-sealed (heat-welded) to the tape body 52.

As described above, in the step of covering the tape main body 52 with the top cover tape 60 and sealing the both end portions 61 and 62, as shown in FIG. 6, between the unwinder 41 and the winder 42. While the tape main body 52 is unwound on the tape feed rail 34 and is intermittently conveyed while one product storage portion 55 is set to one pitch while being wound, the product W is stored in the product storage portion 55 as described above although not shown. As described above, the top cover tape 6 is stored (dropped) in a predetermined direction (posture), and is wound in a roll shape on the rear side.
0 is pulled out through guide rolls 45, 46 and the like to cover the upper surface of the tape main body 52, and a sealing device 30 including a heat-welding trowel 32 arranged above them and a drive mechanism 37 for moving up and down the top is used. Both ends 61 and 62 of the cover tape 60 are heat-sealed and attached to the tape body 52.

With this sealing device 30, the tape main body 52
When the product storage portion 55 of the above comes directly under the heat-welding trowel 32, the heated heat-welding trowel 32 is intermittently adjusted at the timing, that is, every time the top cover tape 60 is conveyed by one pitch. The top cover tape 60 covered with the upper surface of the tape main body 52 being conveyed is pressed for a predetermined time and clamped between the top cover tape 60 and the tape feed rail 34. Both ends of the cover tape 60 are heat-melted and welded.

[0006]

In the embossed carrier tape 50 shown in FIG. 4 described above, the product accommodating portion 55 is located on the left side in the width direction of the tape main body 52 in the conveyed state, and the embossed carrier tape 50 is conveyed and wound. The circular hole 57 for use is positioned on the right side of the center line C passing through the center of the product storage portion 55, and the storing direction (posture) of the product W is such that the mark m is away from the circular hole 57. "R storage" located in
It has been. On the other hand, in the embossed carrier tape 50 ′ shown in FIG. 5, the product storage portion 55 is located on the right side in the width direction of the tape body 52, and the round hole 5 for transport winding is used.
7 is a center line C passing through the center of the product storage section 55.
(This position itself is the same as in "R storage"), and the product is stored in "L storage" in which the mark m is located on the round hole 57 side.

As described above, when the semiconductor product W is stored in the embossed carrier tape, there are conventionally two ways to store the semiconductor product W: "R storage" and "L storage". Production is performed by distinguishing between "R storage" and "L storage".

The product storage direction ("R storage" or "L storage") on the embossed carrier tape is changed by changing the direction of the tape body 52, and the product storage direction is "R storage" or "R storage". Conventionally, "L storage" is checked
I relied on the visual inspection of the worker. Therefore, it often happens that you do not notice that the product is stored in the wrong direction,
There are problems that the product is shipped in the wrong storage direction, it takes a long time to redo due to a wrong storage direction, the production efficiency is reduced, and the embossed carrier tape is wasted.

In view of the above point, the present invention is such that the product is shipped in the wrong storing direction, it takes a long time to redo due to the wrong storing direction, the production efficiency is lowered, and the embossed carrier tape is consumed wastefully. It is an object of the present invention to provide an embossed carrier tape sealing device capable of effectively preventing such a situation.

[0010]

In order to achieve the above-mentioned object, a sealing device for an embossed carrier tape according to the present invention is basically a product storage device which is biased to one of left and right sides when viewed in the width direction. And a tape winding main body on the side opposite to the product storage part, wherein holes for transport winding are formed at regular intervals along the longitudinal direction to cover the product storage part. The top cover tape is joined while the tape body is conveyed along the longitudinal direction.

When the tape body is being conveyed, in order to determine which direction the product is to be accommodated, the hole side for conveying and winding is seen from the center line passing through the center of the product accommodating portion in the width direction. Further, a sensor for detecting the presence or absence of the tape body is arranged at a position longer than the distance from the center line to the end of the tape body opposite to the hole side.

In the sealing device according to the present invention having the above-mentioned structure, when the sensor is arranged at a specific position, the tape body is, for example, when the storing direction of the product is "R storing". When the tape is conveyed, the end of the tape body (around the hole for feeding and winding) is detected by the sensor, but when the product storage direction is, for example, "L storage", the sensor detects any part of the tape body. Not detected.

Therefore, by inputting the storage direction of the product, the direction of the tape body, etc. to the device control section, it is possible to know whether or not the tape body is detected by the sensor (presence / absence). It is determined whether or not the direction and the actual storage direction match, and if the input storage direction and the actual storage direction do not match, a storage error occurs. The warning light is activated to inform the operator of that (storage error).

By doing so, the product may be shipped in the wrong storing direction, it may take a long time to redo due to the wrong storing direction, the production efficiency may be reduced, and the embossed carrier tape may be wasted. It is possible to effectively prevent the situation.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an embodiment of a sealing device for an embossed carrier tape according to the present invention. FIG.
In the sealing step shown in FIG.
Like the conventional one shown in FIG. 2, embossed carrier tapes 50 and 50 ′ are used, and the tape main body 52 is unwound between the unwinder 41 and the winder 42 on the tape feed rail 34, and one tape is wound while winding. The product W is stored (dropped) in the product storage unit 55 at a predetermined position on the upstream side while being intermittently conveyed with the product storage unit 55 as one pitch, and on the rear side,
The top cover tape 60 wound into a roll is pulled out through the guide rolls 45, 46, etc.
The upper and lower surfaces of the top cover tape 60 are covered with the sealing device 10 disposed above them, and both end portions 61 and 62 of the top cover tape 60 are covered.
Is heat-sealed and attached to the tape body 52.

The sealing device 10 of this embodiment, as shown in FIG. 1, is a heat-welding trowel 12 which is a drum having circular flange-shaped pressing projections on both sides, and which is rotatably supported. The top cover tape 60 covered with the tape main body 52 includes a shaft 13, an elevating drive mechanism 15 including a fluid pressure cylinder that moves the heat-welding trowel 12 up and down via the shaft 13 and an arm.
The heated flange-shaped pressing convex portions are pressed against both ends of the tape main body 52 and the top cover tape 60 between the tape main body 52 and the tape feed rail 34.

When the brim-shaped pressing convex portions are pressed against both end portions of the top cover tape 60, the entire top of the heat-welding trowel 12 is pulled along with the top cover tape 60 which is covered with the tape body 52 and conveyed. As the top cover tape 60 rotates, both ends of the top cover tape 60 are continuously heat-welded to the tape body 52.

In this embodiment, as shown in FIGS. 2 and 3, when the tape main body 52 is being conveyed, the product storage section 55 of the product storage section 55 is arranged so as to determine which direction the product W is stored. When viewed in the width direction from a center line C passing through the center, to the transport winding hole 57 side, the distance E is longer than the distance E from the center line C to the end of the tape body 52 opposite to the hole 57 side. An optical sensor 20 for detecting the presence or absence of the tape body 52 is provided on the back side of the tape body 52 at a position separated by a distance S shorter than the distance F to the end of the tape body 52 on the hole 57 side. Has been done.

Since this sensor 20 is of a type that detects the reflection of light, the light emitter and the light receiver are housed in one case.

As described above, in this embodiment, the sensor 2
When the storage direction of the product W is, for example, “R storage” because 0 is arranged at a specific position, the tape body 5
The sensor 20 detects the end of the tape main body 52 (around the transport winding hole 57) during the transportation of 2, but when the storage direction of the product W is, for example, “L storage”, the sensor 20 detects the tape. No part of the body 52 is detected.

Therefore, if the storing direction of the product W, the direction of the tape main body 52, etc. are input to the apparatus control section, it is possible to know whether (presence or absence) the tape main body 52 is detected by the sensor 20 (product W). When the storage direction of is "R storage", for example, the periphery of the transport winding hole 57 is detected, and an intermittent signal is obtained.) Therefore, the input storage direction and the actual storage direction are It is determined whether or not they match, and if the input storage direction and the actual storage direction do not match, a storage error occurs, so stop the device and activate the alarm or warning light to start work. The person to be notified of this (storage error).

By doing so, the product may be shipped in the wrong storing direction, it may take a long time to redo due to the wrong storing direction, the production efficiency may be reduced, and the embossed carrier tape may be consumed wastefully. It is possible to effectively prevent the situation.

[0023]

As can be understood from the above description, according to the embossing carrier tape sealing device of the present invention, the product is shipped in the wrong storing direction, or it takes a long time to redo it due to a mistake in the storing direction. Therefore, it is possible to effectively prevent the situation that the production efficiency is lowered and the embossed carrier tape is consumed wastefully.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram showing an embodiment of a sealing device for an embossed carrier tape according to the present invention.

2 is a diagram showing a state of an embossed carrier tape used in the sealing device shown in FIG.

FIG. 3 is a diagram showing a state of the embossed carrier tape used in the sealing device shown in FIG.

4A and 4B are views showing a state of the embossed carrier tape in a "R-stored" state, (A) is a plan view, (B) is a side view, and (C) is a longitudinal sectional view.

5A and 5B show a state when the embossed carrier tape is in the "L storage" state, in which (A) is a plan view and (B) is a side view.

FIG. 6 is a schematic configuration diagram showing an example of a conventional embossing carrier tape sealing device.

[Explanation of symbols]

 10 sealing device 20 sensor 50 embossed carrier tape 52 tape body 55 product storage 57 hole for transport winding 60 top cover tape C centerline W product

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Koji Murakami 1601 Sakai, Atsugi-shi, Kanagawa Mitsumi Electric Co., Ltd. Atsugi Plant

Claims (1)

[Claims] 1. A product storage part is biased to one of left and right sides as viewed in the width direction, and a transport winding hole is provided on the opposite side of the product storage part along the longitudinal direction. An embossed carrier tape sealing device configured to join a top cover tape to the upper surface of a tape body formed at intervals while transporting the tape body along the longitudinal direction so as to cover the product storage portion. In the transportation of the tape body, in order to determine which is the storage direction of the product, to the hole side for the transport winding as viewed in the width direction from the center line passing through the center of the product storage portion,
An embossed carrier, characterized in that a sensor for detecting the presence or absence of the tape body is arranged at a position separated from the center line by a distance longer than the distance from the hole side of the tape body to the end thereof. Tape sealing device.