JPS6320738B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a tape splicing apparatus for splicing tapes, for example, for cutting one magnetic tape and another magnetic tape and splicing the cut edges.

Generally, two tapes are cut at desired positions and the cut edges are joined together. This method involves editing the content recorded on the magnetic tape, or joining the end of the magnetic tape and the end of the leader tape. It has been widely used for this purpose. In this case, it is necessary to ensure that the abutting surfaces of the two tapes match without overlapping or separating the cut portions of the two tapes.

However, because the tape is thin and difficult to handle, and also has a narrow width, the two pieces of tape must be accurately butted together manually while observing with the naked eye to avoid overlapping or separating at the cut part. for,
It required a high level of skill and a lot of work time. Especially when it is highly flexible like magnetic tape,
The cut portion of the tape curled or warped, making it very troublesome to handle. Moreover, for high-density magnetic recording on magnetic tape, it is required that the spacing between the edges of the magnetic tape at the joint be very small and that the magnetic tape be thinner. posed even more problems.

This invention has been made in view of the above points, and the tape stand is provided with an insulator that faces the cutting blade that cuts the tape, and by charging this insulator with static electricity, the cutting part of the tape is The object of the present invention is to provide a tape splicing device that prevents the tape from curling or warping by adsorbing the tape to the insulator.

The present invention will be explained below based on examples.

FIGS. 1, 2, and 3 are cross-sectional views illustrating the main steps in splicing tapes using an embodiment of the tape splicing apparatus according to the present invention.
In the figure, 1 is a tape stand on whose surface the tape is joined, 2 is a cutting blade that is driven by a drive mechanism (not shown) to move up and down with respect to the tape 1 and cuts the tape, and 3 is a tape stand that cuts the tape when cutting. An elastic insulator is provided on the tape stand 1 to face the cutting blade 2 to ensure cutting and to prevent the cutting blade 2 from being damaged; 4 and 5 are the tapes before cutting; 4a and 5a are each joined; The tapes 4b and 5b are unnecessary portions generated by cutting the tapes 4 and 5; 6 and 7 are pressers for pressing the tapes 4 and 5, respectively, onto the tape stand 1; 8;
is a tape formed of a gap provided on the tape stand 1 between a position facing the cutting blade 2 of the tape stand 1 and a position facing the presser 6, and allowing the tape 5 to penetrate from the front side to the back side of the tape stand 1. Groove 9 is a static electricity generator for charging the elastic insulator 3, 10
Reference numeral 11 indicates a power supply for the static electricity generator, 11 indicates a joint between tape 4a and tape 5a, and 12 indicates an adhesive tape.

Tape splicing using the tape splicing device described above is performed as follows.

As shown in FIG. 1, the presser 7 and the cutting blade 2
The tape 5 is inserted into the tape groove 8 through the positions where the tape 5 is pressed against the tape stand 1, respectively.
Next, the tape 4 is superimposed on the tape 5 directly under the cutting blade 2 and set at a desired position, and the tapes 4 and 5 are pressed against the tape stand 1 by the presser 6 and the presser 7, respectively. Next, cutting blade 2
After pressing down to cut the tapes 4 and 5, the cutting blade 2 is pulled up. The unnecessary portion 5b of the tape 5 produced by the cutting operation is pulled out through the tape groove 8, and the unnecessary portion 4b of the tape 4 is manually removed using tweezers or the like.

In general, for tapes with curls or thin tapes, the tapes 4a and 5a remaining on the tape stand 1 after the above-mentioned operation are warped at the cut portions, as shown by the dashed lines in FIG. Tapes 4a and 5a are removed from the elastic insulator 3 by turning
In many cases, some or all of the static electricity generating device 9 is separated.
When the elastic insulator 3 is charged by operating the tapes 4a and 5a, the tapes 4a and 5a are attracted to the elastic insulator 3.
The state of alignment between the cut edge of the tape 4a and the cut edge of the tape 5a is maintained in an extremely good state as shown by the solid line in FIG. Next, as shown in FIG. 3, a joint 11 between the tape 4a and the tape 5a
The adhesive tape 12 is pasted on to complete the joining work.

In the above description, a case has been described in which the static electricity generating device 9 is operated after cutting the tapes 4 and 5, but there is no problem even if the static electricity generating device is operated before cutting the tapes.

In the above embodiment, a case has been described in which the static electricity generating device requires a power source, but it may be a device that generates static electricity by frictional action.

Furthermore, in the above embodiment, an elastic insulator is provided on the part of the tape stand facing the cutting blade, but it does not necessarily have to be an elastic insulator, and other insulators may also be used. good.

Further, in the above explanation, the case of splicing magnetic tape and leader tape was explained, but it goes without saying that the tape splicing device according to the present invention can be used for splicing other tapes in general such as paper tape and cloth tape. It is.

Furthermore, the tape splicing device according to the present invention can be used by being attached to a magnetic recording/reproducing device.

As detailed above, the tape according to the present invention
When splicing tapes using a splicing device, the insulator on which the cut part of the tape is placed is charged by the electrostatic generator, and the cut part of the tape is attracted to the insulator, so the tape to be spliced is It is possible to maintain the matching state of the cut edges in a good state for joining, and there is an effect that the joining work can be carried out in a short time and reliably.

[Brief explanation of the drawing]

FIGS. 1, 2, and 3 are cross-sectional views illustrating the main steps in splicing tapes using an embodiment of the tape splicing apparatus according to the present invention. In the figure, 1 is a tape stand, 2 is a cutting blade, 3 is an elastic insulator (insulator), 4 and 5 are tapes before cutting,
4a and 5a are tapes to be joined, and 9 is a static electricity generator. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (1)

[Scope of Claims] 1. A tape stand on which two tapes to be joined are placed in an overlapping state, a cutting blade that moves up and down with respect to the tape stand and cuts the two tapes at the overlapping portion, and the above-mentioned tape stand. A tape splicing device comprising an insulator provided on a portion of the tape stand facing the cutting blade, and a static electricity generating device that charges the insulator with static electricity and attracts the cut portions of the two tapes to the insulator. . 2. The tape splicing apparatus according to claim 1, wherein the insulator is an elastic insulator.