JPH05254735A - Polution-free reel formed of cylindrical core material and its manufacture - Google Patents

Abstract

PURPOSE:To provide a winding reel for a taping electronic part having many electronic parts arrangedly fixed at fixed intervals and a polution-free tough paper reel used for winding various kinds of the other tapes, and moreover a simple manufacturing method for such tapes. CONSTITUTION:A circular double-faced tape 13 is sticked on the central part of a disc-shaped side plate 11, and utilized to stick a circular reinforcing plate 15 on the above central part. A shaft hole 16 is formed at the center of the reinforcing plate 15. Two sheets of side plates 11 are prepared and put on both the ends of a cylindrical core member 12 with the double-faced tape set inside, and a tongue member 14 formed by punching a part near the circumference of the circular double-faced tape 13 into a V-shape or the like is sticked on the inside of the cylindrical core member 12 using the double-faced tape 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, a reel for winding a taping electronic component in which a large number of electronic components are arranged and fixed at fixed intervals, a reel used for winding various other tapes, and a method for manufacturing the reel.

[0002]

2. Description of the Related Art FIG. 10 shows an example of a conventional reel, in which the center of a pair of disc-shaped side plates 1 is circularly projected.
The boss portion 2 is formed, and the cylindrical body 3 and the shaft hole 4 are formed at the center of the boss portion 2.

Further, outward ribs 5 are formed on the outer periphery of the side plate 1. Then, the boss portions 2 are butted and adhered.

FIG. 11 shows another example of a conventional reel, in which 6 is a cylindrical core material and 7 is side plates fixed to both sides. By providing a circular annular convex portion 8 on one side of the side plate 7,
The convex portions 8 are pushed into both ends of the core material 6 and fixed by an adhesive.

A rib 9 is formed on the outer periphery of the side plate 7. There is also a core material made of styrofoam and side plates fixed to both sides thereof.

[0006]

In the prior art shown in FIG. 10, the space between the side plates 1 cannot be made too large. This has a problem that the area of the end surface of the boss portion 2 is small, so that the adhesive strength is small and separation is easy, and furthermore, since the side surface plate 1 is integrally molded with plastic, there is a problem in processing when it becomes a waste product.

In the structure shown in FIG. 11, the distance between the side plates 7 can be increased, but the bonding area between the core material 6 and the convex portion 8 is small.

The core material 6 can be made of paper, but the side plate 7 needs to be made of plastic, and there is a problem that the adhesive force between the side plate 7 and the core material 6 is weak.

In view of the above-mentioned problems of the prior art and the pollution of the Styrofoam material, the present invention provides a pollution-free paper reel having a large adhesive strength between the cylindrical core member and the side plate. .

[0010]

Means for Solving the Problems In order to solve the above-mentioned problems, the means taken by the present invention has an adhesive layer such as a double-sided tape on the inner side at both ends of a cylindrical core material, and the central part is provided with the adhesive layer. The side surface plate to which a reinforcing plate having a shaft hole is attached is applied by using an adhesive layer, and the inner side of a plurality of cuts provided in the side surface plate portion having the adhesive layer is used as a tongue piece to form the cylindrical core. That is, it was folded and bonded inside the material.

Further, an adhesive layer is provided on one side of the center of the side plate, and a V-shaped cut is provided around the portion having the adhesive layer, and the central portion is reinforced by utilizing the adhesive layer. Two side plates are attached to each plate, each side plate is mounted on a jig composed of a receiving plate and a pressing plate, and each side plate is attached by a plurality of bending bars provided on the receiving plate and the pressing plate. This is a method in which the inside of the cut is used as a tongue piece and is bent and adhered to the inside of the cylindrical core material.

[0012]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

1 and 2 are completed views showing an embodiment of a reel manufactured by the method of the present invention. Reference numeral 11 is a disk-shaped side plate made of cardboard or the like, and 12 is a cylindrical core material made of paper or the like. .

A circular double-sided tape 13 is attached to the central portion of the side plate 11, and a tongue piece 14 formed by punching out this portion with a notch 22 such as a V-shape uses an adhesive layer of the double-sided tape 13. Then, it is attached to the inner surface of the core material 12.

A circular reinforcing plate 15 is attached to the inner surface of the central portion of the both side plates 11 using a double-sided tape 13.

A shaft hole 16 is formed in the center of the reinforcing plate 15, and the side plate 11 is also formed with the same shaft hole. Reference numeral 17 is a window hole provided in the side plate 11.

Next, the reel shown in FIGS. 3 and 4 has the same structure as that of FIGS. 1 and 2, but the rotation torque is hooked in the guide groove 20 of the shaft hole 16 formed in the side plate 11 as shown in FIG. This is a case where the power to transmit is not required, and in this case, FIGS.
Then, a thin cylindrical pipe 18 is bonded to the central portion. Next, a method of manufacturing the reel will be described with reference to FIGS.

First, as shown in FIGS. 5 and 6, a disk-shaped double-sided tape 1 in which a release paper 19 is attached to one central surface of a side plate 11
Paste 3.

This double-sided tape 13 is provided with a circular half-cut 21 by punching, and a V-shaped notch 22 is provided around it as shown in FIGS.

In some cases, the double-sided tape 13 is attached to one surface of the side plate 11 and then punching is performed to provide a circular half cut 21 and a V-shaped notch 22 around it. Of course, there is a shaft hole in the center.

Next, when the release paper 19 inside the half cut 21 is peeled off, the adhesive layer of the double-sided tape 13 is exposed, and this is used to attach the reinforcing plate 15 as shown in FIG.

The reinforcing plate 15 is manufactured separately and is shown in FIG.
As shown in, it is made of plastic or the like with cardboard attached, and various thicknesses and hardnesses are used depending on the application.

Double-sided tape 13 and reinforcing plate 15 as described above
Two side plates 11 having the above are manufactured, and the remaining release paper 19 of each side plate 11 is removed and then mounted on the jig A as shown in FIG.

As shown in FIGS. 8 and 9, the jig A has a plurality of guide rods 24 placed on the substrate 23 on the inner or outer surface of the substrate 12 and a guide shaft 25 at the center.

The guide shaft 25 is attached to each of the reinforcing plates 15 described above.
A ridge 26 that engages with the guide groove 20 provided in the shaft hole 16 is provided. A receiving plate 27 is mounted on the base plate 23 via a plurality of springs 28, and has a hole 29 into which the guide rod 24 is inserted and a hole 30 into which the guide shaft 25 is inserted.

Further, a plurality of bending rods 31 are provided at the center of the substrate 23 so as to fit in the cuts 22 of the lower side plate 11 and to bend the inside of the cuts 22 upward with the tongue 14 as a tongue piece 14.

Further, the same pressing plate 32 as the receiving plate 27 is provided with a hole for receiving the guide rod 24 and a hole for receiving the guide shaft 25 at the center of the other pressing plate 32, and the central portion of the lower surface thereof is at the upper side. A plurality of bending bars 31 which are fitted into the notches 22 of the side plate 11 and are bent downward with the inside of the notches 22 as the tongue piece 14.
To provide.

The side plate 11 also has holes 2 formed in the receiving plate 27.
The same holes as 9 and 30 are provided. Then, as shown in FIG. 8, the guide rod 24 and the guide shaft 25 are inserted into the holes of the side plate 11 with the reinforcing plate 15 on the upper side, and the side plate 11 is placed on the receiving plate 27, and the cylindrical core is placed thereon. The material 12 is placed, and the guide rod 24 and the guide shaft 25 are inserted into the holes of the side plate 11 with the reinforcing plate 15 down, and the side plate 11 is placed on the cylindrical core member 12.

As described above, the upper and lower side plates 11 and the core material 1
2 is set in the jig A, and then the pressing plate 32 is pushed down, the bending bar 31 on the upper side is cut into the notch 22 on the side plate 11 on the upper side.
Double-sided tape 13
To the inner surface of the core material 12.

At the same time, since the upper side plate 11 pushes down the core 12 and the lower side plate 11, the bending bar 3 on the substrate 23
1 presses the inside of the notch 22 of the lower side plate 11 upward and bends it as a tongue piece 14 and affixes it to the inner surface of the core material 12 with the double-sided tape 13.

Due to the above operation, the side plates 11 are provided on both ends of the core 12.
After sticking, take out the finished reel from the jig A.

By changing the length of the cylindrical core member 12, a reel having a desired width can be obtained. Also, by changing the length and diameter of the core material, a reel of any size can be obtained. Since it is necessary to change the dimensions of the jig A when the diameter of the core material 12 is changed, it is advisable to prepare jigs of different sizes.

In the above embodiment, the shape of the cut 22 may be any shape other than the V-shape, and instead of the double-sided tape 13, an adhesive layer is directly provided on the side surface plate 11, and the release paper is provided on this adhesive layer. 19 may be provided.

Two pieces of the double-sided tape 13 shown in FIG. 6 or two pieces of the adhesive layer to which the release paper 19 is attached and the cylindrical core material 12 are combined into one.
It is advantageous to ship the reels as a set and assemble the reels using the jig A at the site because the finished reels can be transported in a lower bulk state.

[0035]

Industrial Applicability According to the present invention, a plurality of tongue pieces at the center of the side plates on both sides are bent inward and attached to the inner surface of the cylindrical core material with a double-sided tape or an adhesive, and at the same time, both end surfaces of the core material are attached. Since the side plate is adhered with a tape or an adhesive, the core member and the side plate have a very strong bonding strength, and by attaching a reinforcing plate to the central portion of the side plate, it is possible to withstand the force during winding.

Therefore, it is possible to obtain a product which can be used even if the side plate or the cylindrical core member is made of paper, and is a pollution-free product which can be easily treated when it is discarded.

Further, since the core material and the side surface plate can be easily combined with each other by a jig dedicated to attaching the side surface plate, the core material and the side surface plate are separately transported and assembled by the jig at the site. This makes it easier and reduces transportation costs.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view of an embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a vertical sectional side view of another embodiment of the present invention.

4 is a sectional view taken along line IV-IV in FIG.

FIG. 5 is a perspective view of a reinforcing plate.

FIG. 6 is a perspective view of a side plate.

FIG. 7 is a vertical sectional side view of the side plate after the reinforcing plate is attached.

FIG. 8 is a partially longitudinal side view of the jig with a side plate attached.

FIG. 9 is an exploded perspective view of a jig.

FIG. 10 is a vertical sectional side view of a conventional example.

FIG. 11 is a vertical sectional side view of another conventional example.

[Explanation of symbols]

 11 Side plate 12 Cylindrical core material 13 Double-sided tape 14 Tongue piece 15 Reinforcing plate 16 Shaft hole 17 Window hole 18 Cylindrical pipe 19 Release paper 20 Guide groove 21 Half cut 22 Notch A jig 23 Board 24 Guide rod 25 Guide shaft 26 Convex Article 27 Support plate 28 Spring 29 Hole 30 Hole 31 Bending rod 32 Press plate

Claims (2)

[Claims] 1. A side plate having an adhesive layer such as a double-sided tape on the inner side at both ends of a cylindrical core material, and a reinforcing plate having a shaft hole attached to the central part by using the adhesive layer. A pollution-free reel characterized in that an inner portion of a plurality of cuts provided on a portion having an adhesive layer of the both side plates is applied to the inside of the cylindrical core material as a tongue piece and adhered. 2. An adhesive layer is provided on one side of the center of the side plate, and a V-shaped notch is provided around the portion having the adhesive layer, and the adhesive layer is reinforced at the central part. We made two side plates with the plates attached, and
It is attached to a jig consisting of a receiving plate and a pressing plate, and the inside of the notch of each of the side plates is bent to the inside of the cylindrical core by using a plurality of bending rods provided on the receiving plate and the pressing plate as tongue pieces. A method for manufacturing a pollution-free reel, which comprises: