JPH0636552Y2 - Tape splicing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a tape splicing device for connecting magnetic tapes or between a magnetic tape and a leader tape or the like using an adhesive tape.

(Prior Art) Conventionally, as a tape splicing device of this type, there has been a structure in which an adhesive tape is delivered by using a drive roller which is rotated by a certain amount by a motor or the like.

(Problems to be solved by the invention) However, it is actually difficult to accurately control the rotation amount of the drive roller using a motor or the like, and the adhesive tape delivery amount varies or the rotation amount is accurately controlled. There was a tendency to make the structure complicated.

(Means for Solving the Problems) In view of the above points, the present invention uses a movable suction plate for feeding an adhesive tape that performs a certain amount of reciprocating movement as a means for feeding the adhesive tape, thereby delivering the adhesive tape. It is an object of the present invention to provide a tape splicing device that can accurately keep the amount constant and that has a simple structure.

The present invention relates to a tape connecting suction plate on which a pair of tapes to be connected are placed, a slide base that can be raised and lowered with respect to the suction plate, and a fixed suction plate for holding an adhesive tape fixed on the slide base. A movable suction plate for feeding an adhesive tape that reciprocates a fixed amount with respect to the slide base; and a cutter that cuts the adhesive tape fed out from the tip of the fixed suction plate by the feeding operation of the movable suction plate. A first punch portion for adsorbing the non-adhesive surface of the cut adhesive tape and transferring it to the suction plate for tape connection, and pressing the entire width of the cut adhesive tape onto the pair of tapes to be connected; The above-mentioned conventional problems are solved by a configuration including a punch block having two punch portions and pivotally supported by the slide base, and a mechanism for rotating the punch block. .

(Operation) In the tape splicing device of the present invention, the amount of adhesive tape delivery is accurately determined by a fixed amount of reciprocating movement of the movable suction plate for feeding the adhesive tape, and the mechanism for reciprocating the movable suction plate by a fixed amount is an air cylinder. It can be easily realized by the mechanism used. Then, the adhesive tape fed out by a fixed amount from the tip of the fixed suction plate by the feeding operation of the movable suction plate is cut by a cutter, and the non-adhesive surface of the adhesive tape cut by the first punch portion provided in the punch block is It is adsorbed and transferred onto the suction plate for tape connection, and a part of the adhesive surface of the adhesive tape is attached to the tape to be connected on the suction plate for tape connection. After that, by turning the punch block, the second
The punch part of the pair of tapes opposes the pair of tapes on the suction plate for tape connection, and the second punch block also descends by the subsequent lowering operation of the slide base, and the entire width of the cut adhesive tape is to be connected to the pair. And press it onto the tape to complete the tape splicing operation.

Embodiment An embodiment of the tape splicing device according to the present invention will be described below with reference to the drawings.

1 to 3, a pair of connected tapes 16 and 17 (for example, one is a magnetic tape and the other is a leader tape) is placed on the body frame (not shown) side of the tape splicing device. The suction plates 14 and 15 for tape connection are fixed. Each of the suction plates 14 and 15 has a plurality of air suction holes, and is connected to a negative pressure source (vacuum pump or the like) via an air suction pipe 18 communicating with these.

On the other hand, the slide guide 20 fixed to the body frame
Thus, the slide base 12 is vertically slidably mounted and supported, and the adhesive tape roll 2 in which the adhesive tape 1 is wound around the reel is rotatably supported on the slide base 12. Adhesive tape 1 pulled out from adhesive tape roll 2
(Adhesive surface A, non-adhesive surface B) is guided onto the movable suction plate 6 for feeding the adhesive tape through the guide rod 3 (however, the non-adhesive surface B of the adhesive tape 1 contacts the movable suction plate 6). .).

As shown in FIG. 3, the movable suction plate 6 for feeding the adhesive tape is mounted and supported on the support member 23 vertically fixed on the slide base 12 via the slide guide 24 so as to be slidable in the vertical direction. The movable suction plate 6 has a ridge 25 for guiding the adhesive tape 1 straight, and also has many air suction holes 26 for adsorbing the adhesive tape 1. Each air suction hole 26 is connected to a negative pressure source via an air suction pipe 27. Further, an extension spring 29 for urging the movable suction plate 6 upward is disposed between the L base 28 fixed to the movable suction plate 6 and the slide base 12, and the L base 28 is provided with an extension spring 29.
Of the movable suction plate driving air cylinder 5 fixed to the
13 is in contact. Therefore, the rod of the air cylinder 5
The movable suction plate 6 descends by a certain amount when the rod 13 extends a certain amount, and rises by the same amount when the rod 13 contracts by the same stroke, and performs a certain amount of reciprocating linear motion.

A fixed suction plate 7 for holding an adhesive tape is integrally provided in a part of the support member 23, that is, a passage of the adhesive tape 1 passing through the movable suction plate 6, as shown in FIG. The fixed suction plate 7 is formed as a step surface (same height as the movable suction plate 6) for guiding the adhesive tape 1 straight, and has a large number of air suction holes 35 for sucking the adhesive tape 1. . Each air suction hole 35 is connected to a negative pressure source via an air suction pipe 36.

The movable suction plate 6 is provided with a notch 37 corresponding to the fixed suction plate 7 so that the movable suction plate 6 and the fixed suction plate 7 act as an integral suction plate when the movable suction plate 6 descends. There is. And
When the movable suction plate 6 descends and comes into contact with the fixed suction plate 7, the cutter passage grooves 38A, 38B formed at the lower end portions of both suction plates 6, 7 are aligned in a straight line.

The cutter 40 is attached and fixed to the cutter support member 8 fixed to the rod tip of the cutter air cylinder 41. When the movable suction plate 6 is in the lowered position and the cutter passage grooves 38A and 38B are aligned with each other, the air cylinder 41
The cutter 40 moves in the direction of the arrow P in FIG. 2 by the extension of, and executes the cutting operation of the adhesive tape 1 which is fed downward from the fixed suction plate 7.

The punch block 11 is pivotally supported on the slide base 12 by a pin 45, and the punch block 1 sucks and holds the adhesive tape 1 fed below the fixed suction plate 7 before the cutting operation of the cutter 40 and after cutting. The first punch portion 9 for adsorbing the non-adhesive surface of the adhesive tape 1 and transferring it to the suction plates 14 and 15 for tape connection and the pair of tapes to be connected with the entire width of the cut adhesive tape 1 It has a second punch part 10 for pressing it onto 16,17. Each punch part 9,
The lower end surface of 10 is an elastic member to which the adhesive tape 1 can be pressed. An air suction hole is formed in the first punch portion 9 and is also connected to the negative pressure source.

A punch block driving air cylinder 4 for rotating the punch block 11 is pivotally attached to the slide base 12, and the tip of the rod 4A of the air cylinder 4 is a punch block.
It is connected to 11 eccentric positions. Therefore, in the extended state of the air cylinder 4, the second punch portion 10 faces downward and faces the tape connecting suction plates 14 and 15, and in the contracted state, the first punch portion 9 faces downward.

Although not shown, a slide base driving air cylinder for raising and lowering the slide base 12 is provided between the slide base 12 and the main body frame.

Next, the operation of the above embodiment will be described.

First of all, the slide base 12 is in the raised position (first
(Solid line in the figure), the adhesive tape 1 pulled out from the adhesive tape roll 2 reaches the cutter passage grooves 38A and 38B of the adhesive tape feeding movable suction plate 6 and the adhesive tape holding fixed suction plate 7 through the guide rod 3. However, it is assumed that the tip side of the adhesive tape 1 is cut by the previous cutter operation.

The movable suction plate 6 makes a reciprocating linear motion by the action of the air cylinder 5 for driving the movable suction plate, but when returning from the lowered position to the raised position, the air suction of the air suction hole 26 is turned off, and other than that. In the state, air suction is turned on. Further, during the lowering operation of the movable suction plate 6, the air suction of the fixed suction plate 7 and the air suction holes of the first punch portion 9 is turned off so that the adhesive tape 1 can be smoothly drawn out. By such an operation, a fixed amount of the movable suction plate 6 descends the next amount of the adhesive tape 1, and the movable suction plate 6 in the lowered position, the fixed suction plate 7 and the first state shown in FIG. The cutter 40 operates in the state where the air suction hole of the punch portion 9 of No. 1 is turned on and moves in the direction of arrow P in FIG.
38A and 38B are the same), and the adhesive tape 1 is cut into a certain length. At this time, the lower portion of the adhesive tape 1 is suction-held by the first punch portion 9.

The adhesive tape 1 after cutting is held by the first punch portion 9, but as the punch block 11 rotates counterclockwise due to the contraction of the punch block driving air cylinder 4,
The first punch portion 9 faces the pair of connected tapes 16 and 17. When the slide base 12 is lowered by the operation of the air cylinder for driving the slide base, the first punch portion 9 is lowered while holding the cut adhesive tape 1, and the adhesive surface of the adhesive tape 1 is shown in FIG. Press the tapes 16 and 17 to be connected like lines. Then, the slide base 12 is moved to the raised position again, and the punch block 11 is rotated clockwise by the extending motion of the punch block driving air cylinder 4 to move the second punch portion 10 to the connected tapes 16,17.
The entire width of the adhesive tape 1 is pressed by the second punch portion 10 by the lowering operation of the slide base 12, and the adhesive tape 1 is pressure-bonded to the connection target tapes 16 and 17 to complete the tape splicing operation. When the second punch 10 faces the tapes 16 and 17 to be connected, the first punch 9 returns to the tip side of the fixed suction plate 7 as shown by the solid line in FIG. The next feeding and cutting operation of the adhesive tape 1 can be performed in parallel, and the operation speed can be increased.

(Effect of the Invention) As described above, according to the tape splicing device of the present invention, by using the movable suction plate for feeding the adhesive tape, which reciprocates a certain amount, as the means for feeding the adhesive tape, The amount of delivery can be kept exactly constant. Further, there is an advantage that the mechanism for driving the movable suction plate can be simplified.

[Brief description of drawings]

1 is a partially sectional front view showing an embodiment of a tape splicing device according to the present invention, FIG. 2 is a partially sectional side view, and FIG. 3 is a movable suction plate and a fixed suction plate portion. FIG. 1 ... Adhesive tape, 2 ... Adhesive tape roll, 4,5,41 ...
… Air cylinder, 6… Movable suction plate, 7… Fixed suction plate,
9,10 ... Punch part, 11 ... Punch block, 12 ... Slide base, 14,15 ... Suction plate for tape connection, 16,17 ... Connected tape, 40 ... Cutter.

Claims (1)

[Scope of utility model registration request] 1. A tape-connecting suction plate on which a pair of tapes to be connected are placed, a slide base that can be raised and lowered with respect to the suction plate, and a fixed suction tape holding tape fixed on the slide base. Plate, a movable suction plate for feeding an adhesive tape that reciprocates a fixed amount with respect to the slide base, and a cutter that cuts the adhesive tape fed out by a fixed amount from the tip of the fixed suction plate by the feeding operation of the movable suction plate And a first punch portion for adsorbing the non-adhesive surface of the cut adhesive tape and transferring it onto the tape connecting suction plate and pressing the entire width of the cut adhesive tape onto the pair of tapes to be connected. A tape splicing device comprising: a punch block having a second punch portion and pivotally supported by the slide base; and a mechanism for rotating the punch block.