JP2000289900A - Tape splicing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tape splicing device capable of certainly and automatically spicing tapes to each other in a short period of time and simple in mechanism. SOLUTION: A tape reel holding member 1 holds two tape reels R1, R2 and is constituted to change the reels to supply tapes by lateral movement. Pressurizing members 2, 3 are respectively arranged for each of the tape reels R1, R2. A tape end part holding member 4 is furnished with a cutter 7, and it is free to move in directions of the pressurizing members 2, 3 by an air cylinder. The tape end part holding member 4 holds the tape finished supplying between the pressurizing members and it is cut by the cutter 7. The tape end holding member 4 holds a terminal end of the cut tape and connects it to a starting end of a new tape placed on the pressurizing member by holding it between the pressurizing members.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape splicing apparatus for splicing a tape wound on another reel and feeding the tape onto another reel when the supply of the tape is completed.

[0002]

2. Description of the Related Art In a facility for continuously using a tape, such as a tape used for binding a bag opening in a packaging device, a tape wound on one reel ends and is wound on another reel. If the operation of connecting the tape to the end of the previous tape and supplying the tape is not performed quickly and reliably, the operation efficiency of the packaging device can be reduced. Therefore, various types of tape splicing devices have been proposed.

[0003] However, the conventional one is not sufficient in terms of complicated structure, lack of certainty of the splicing operation, and quickness of the splicing operation. In particular,
When it is detected that the supply of the tape from one reel has been completed, the operation of connecting the end of the tape to the beginning of the tape of the next reel can be easily automated. And there was room for further consideration in that regard.

[0004]

SUMMARY OF THE INVENTION In view of the above-mentioned problems in the prior art, the present invention provides a tape splicing apparatus having a simple structure capable of reliably splicing a tape in a short time. The challenge is to do.

[0005]

According to the present invention, there is provided a tape reel holding member for holding a plurality of reels of supply tape in a parallel state and switching a tape supply reel by a lateral movement. A pressing member disposed on one surface side of the tape sent from each reel held by the holding member, and a pressing member arranged on the other surface side of the tape sent from one of the reels held on the tape reel holding member One of the pressing members and the tape end holding member are configured to be able to abut and separate from each other, and the tape end holding member should add the tape of the next reel. Provided is a tape splicing device configured to hold a tape end.

In the tape splicing apparatus of the present invention having the above-described configuration, the supply tape reel is switched by simply laterally moving the tape reel holding member holding a plurality of tape reels in parallel. Also, 1
When the supply of the tape from one reel is completed, the pressing member and the tape end holding member come into contact with each other from both sides of the tape, sandwich the tape, and the end of the tape is held by the tape end holding member.

The end of the tape held by the tape end holding member is held by the pressing member on which the starting end of the tape from another reel which has been switched by the lateral movement for the next tape supply is placed. When the member is pressed, it is added to the beginning of the tape from the other reel.

[0008] When the tape to be supplied is an adhesive tape, the tape end holding member may hold the tape end by using the adhesive surface of the tape, or the tape end holding member may be used. The member may have an adhesive surface so that the tape end can be held.

When the tape to be supplied is an adhesive tape, the splicing may be performed using the adhesive surface. When the tape to be supplied is a non-adhesive tape, the tape may be switched to start feeding a new tape. An ordinary manner such as attaching a double-sided tape piece to the beginning of the tape to be placed on the member may be employed as appropriate.

As described above, in the tape splicing apparatus of the present invention, the switching of the reel by the lateral movement of the tape reel holding member, and the cutting of the tape by the contact with the pressing member by the linear movement of the tape end holding member. With the simple configuration of adding the tape, the tape can be reliably and quickly spliced.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be specifically described based on the illustrated embodiments. In this embodiment,
This is an example in which the apparatus according to the present invention is applied to add an adhesive tape having an adhesive surface. In FIG. 1, reference numeral 1 denotes a tape reel holding member that supports two reels R1 and R2 in a parallel state. The tape reel holding member 1 holds pressing members 2 and 3 on the non-adhesive surface side of the tape supplied from each of the reels R1 and R2.

The pressing members 2 and 3 include a cutter 7 described later.
Is formed. The tape reel holding member 1 switches the reels R1 and R2 to supply the tape by laterally moving the reels R1 and R2. For example, at the solid line position in FIG. 1, the tape from the reel R2 is supplied over the pressing member 3, but in order to supply the tape from the reel R1, the reel R2 must be moved to the virtual line position. Then, the reel R1 is laterally moved to the position of R2.

Reference numeral 4 denotes a tape end holding member disposed on the side of the adhesive surface of the tape supplied from the reel. As shown in FIGS. 2 and subsequent figures, four rotating members directed to the adhesive surface of the adhesive tape are provided. It has possible rollers 4-1, 4-2, 4-3, 4-4. The rollers 4-1 to 4-4 hold the adhesive surface of the adhesive tape in an attached state, but are configured to be easily peeled off by pulling. 5 and 6 are guide rollers for guiding the running of the tape. 7 is a cutter for cutting the tape. The cutter 7 is moved forward and backward by an air cylinder 9, and the tape end holding member 4 is moved forward and backward with respect to the pressing member 2 or 3 by the air cylinder 8.

The illustrated tape splicing apparatus has the above configuration, and the supply of tape from one reel to another reel is switched as follows. First, FIG. 2 shows a state in which the tape T from one of the reels held on the tape reel holding member 1, for example, the reel R2, is guided and supplied to the guide rolls 5, 6. In this normal use, the tape end holding member 4 is retracted and separated from the pressing members 2 and 3, and the cutter 7 is also retracted, so that none of them works.

When an appropriate sensor detects that the supply of the tape from the reel R2 is completed, the tape end holding member 4 is advanced toward the pressing member 3 by the operation of the air cylinder 8 by the signal, and the tape end holding member 4 is held. The member 4 and the pressing member 3 are contacted as shown in FIG. In this state, the adhesive tape T is sandwiched between the tape end holding member 4 and the pressing member 3 with the adhesive surface facing the tape end holding member 4.

When the adhesive tape is sandwiched, the air cylinder 9 is operated, the cutter 7 is advanced, and the tape end holding member 4 is moved.
The pressure-sensitive adhesive tape T sandwiched between the pressing member 3 and the pressing member 3 is cut. FIG. 4 shows this state.

When the cutting of the tape T is completed, the cutter 7 is retracted by the air cylinder 9 and the tape end holding member 4 is retracted from the pressing member 3 by the air cylinder 8. At this time, the end T-1 of the cut tape T adheres to the rollers 4-2 to 4-4 of the tape end holding member 4,
It is separated from the pressing member 3 together with the tape end holding member 4. FIG. 5 shows this state.

Next, the reels R1 and R2 of the tape reel holding member 1 shown in FIG. 1 are moved to the imaginary line positions in FIG. 1 and the reel for supplying the tape is switched from R2 to R1. At the time of the switching, the tape from the reel R1 is placed with its start end T-2 on the pressing member 2 for the reel R1 with the adhesive surface up. FIG. 6 shows this state.

In the tape reel holding member 1, the reel for supplying the tape is changed from R2 to a new reel R as shown in FIG.
When the mode is switched to 1, the air cylinder 8 is operated to push the tape end holding member 4 toward the pressing member 2 of the reel R1 so as to abut against the pressing member 2. The end T-1 of the tape from the previous reel R2 attached to the tape end holding member 4 by this abutment is the adhesion of the tape start T-2 from the new reel R1 placed on the pressing member 2. Adhered to the surface and inherited.

When the tape end holding members 4 and the pressing member 2 come into contact with each other and the joining of the tape ends is completed, the air cylinder 8 is retracted, and the tape end holding member 4 returns to the position shown in FIG. Can be supplied from a new reel R1.
While the reel R1 is supplying the tape, a new tape is placed on the reel R2, and the start end thereof is laid on the pressing member 3 with the adhesive surface facing upward, in preparation for switching from the reel R1 to R2. Thereafter, the reels R1 and R2 can be sequentially switched in the same manner and the tapes can be connected and supplied.

As described above, the present invention has been specifically described based on the illustrated embodiments. However, the present invention is not limited to these embodiments, and specific structures within the scope of the present invention shown in the claims are set forth. Needless to say, various changes may be made to the configuration.

For example, in the above embodiment, the tape reel holding member 1 is configured to hold two reels R1 and R2, but may be configured to hold three or more reels. In the above-described embodiment, the tape end holding member 4 has a configuration in which four rollers 4-1 to 4-4 are provided. However, it is not indispensable to use the rollers. Any suitable structure may be used as long as it can be attached and held, and the end can be easily released when it is adhered to the beginning of a new tape.

In the above-described embodiment, when the supply tape of the tape reel supplying the tape approaches the end,
The tape splicing device is operated and the tape remaining on the reel is cut by the cutter 7 and spliced, but without using a cutter, the end of the tape from the reel is detected and the end is pressed by the pressing member and the end holding unit. The tape may be used up without waste by being sandwiched between the members.

Further, in the above embodiment, the present invention is applied to the joining of the adhesive tape, but may be applied to the joining of the tape having no adhesive surface. However, when used for splicing non-adhesive tapes, the tape end holding member shall be capable of holding the end of the non-adhesive tape, and the starting end of a new tape placed over the pressing member It is necessary to take measures such as pasting a piece of double-sided tape on the surface.

[0025]

As described above, the tape splicing apparatus according to the present invention holds a plurality of reels of supply tape in a parallel state, and switches the tape supply reel by lateral movement, and the tape reel holding member. A pressing member arranged on one side of the tape sent from each reel held by the member; and a pressing member arranged on the other side of the tape sent from one of the reels held on the tape reel holding member. Tape end holding member.

One of the pressing members and the tape end holding member are configured so as to be able to contact and separate from each other, and the tape end holding member holds the end of the tape to be added to the tape of the next reel. Is configured.

As described above, the tape splicing device according to the present invention holds a plurality of tape reels and switches the supply tape by lateral movement, and the pressing member so as to sandwich the supplied tape. It has a simple configuration having a tape end holding member to be moved, and the tape splicing operation is as simple as linear movement.

Further, the apparatus according to the present invention provides a sensor for detecting the end of the tape simply by replenishing the tape reel holding member with a new tape reel and placing the start end on the pressing member. Movement of the part holding member,
It can be easily automated by incorporating a sequence for automatically switching the tape reel holding member. In the apparatus according to the present invention, the tape can be spliced in a short time by the simple operation as described above.

[Brief description of the drawings]

FIG. 1 is a plan view of a tape splicing device according to an embodiment of the present invention.

FIG. 2 is a side view showing the device shown in FIG. 1 in normal use.

FIG. 3 is a side view showing a state in which the tape shown in FIG. 1 is about to be cut from a tape that has been supplied from one reel.

FIG. 4 is a side view showing a state where the tape is cut in the apparatus shown in FIG. 1;

FIG. 5 is a side view showing a state where the tape has been cut in the apparatus shown in FIG. 1;

FIG. 6 is a side view showing a state where the tape is switched from a new reel to the apparatus shown in FIG. 1;

FIG. 7 is a side view showing a state where the splicing of the tape has been completed in the apparatus shown in FIG. 1;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 tape reel holding member 2 pressing member 3 pressing member 4 tape end holding member 5 guide roller 6 guide roller 7 cutter 8 air cylinder 9 air cylinder 10 slit R1 reel R2 reel

Claims (1)

[Claims] 1. A tape reel holding member for holding a plurality of reels of supply tape in a parallel state and switching a tape supply reel by a lateral movement, and one of a tape fed from each reel held by the tape reel holding member. A pressing member arranged on the surface side, and a tape end holding member arranged on the other surface side of the tape sent out from one of the reels held by the tape reel holding member, One and the tape end holding member are configured to be able to contact and separate from each other, and the tape end holding member is configured to hold a tape end to be added to the tape of the next reel. Tape splicing device.