JP2754084B2 - Tape application machine used in continuous strip processing equipment - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a tape applying machine used in a continuous strip processing facility.

[Conventional technology and its problems]

In general, in a strip processing facility, a leading strip and a succeeding strip are connected and passed to improve productivity, increase product yield, and the like. For this connection method, a welding method or a biting method is known (for example, Japanese Patent Publication No. 51-21).
However, there has been a problem that strip dust or the like is generated from the connection portion, and the scrap adheres to a roll or the like and damages the surface of the strip.

For this reason, a connection method using an adhesive tape which does not cause such a problem has already been proposed (for example, Japanese Patent Application Laid-Open No.
No. 25578, Japanese Patent Publication No. 62-55452, etc.). That is, in Japanese Patent Publication No. Sho 62-55452, the rear end of the preceding strip and the front end of the succeeding strip are connected by abutment, and the upper and lower surfaces before and after the abutment portion are clamped and fixed by a clamp device. A tape applicator has been proposed in which the upper and lower surfaces of the abutting portion are wiped and cleaned, and then an adhesive tape is attached to the upper and lower surfaces of the abutting portion to connect both strips.

However, in the proposed tape applicator, since the preceding and succeeding strips are connected by the adhesive tape attached to the upper and lower surfaces, the oil or the like attached to the upper and lower surfaces near the abutting portion is cleaned in advance to remove the adhesive. And the operation cycle time becomes longer. In particular, there are four sets of a tape end cutter and a pair of tape start cutters provided at both ends in the width direction of the strip. Since the tape cutter is provided, there is a problem that the structure is complicated.

[Means for solving the problem]

Therefore, the present invention has been created in order to solve these problems, and the gist of the invention is to sandwich the upper and lower surfaces of the portion connecting the rear end of the preceding strip and the front end of the subsequent strip, and A pair of upper and lower tape press rolls (16) and (16a) which roll in the strip width direction and reciprocate are respectively provided with adhesive tapes (12),
(12a) is supplied, and these tape pressing rolls (16) and (16a) are provided on the frame (2) reciprocating in the width direction of the strip so as to oppose each other so as to be able to pivot 180 ° horizontally. In the tape applying machine, the upper and lower heads (1) supporting the tape press rolls (16), (16a) are supported.
On the opposite side of the tape holding rolls (16) and (16a) of 3) and (14), only one set of cutters (17) consisting of movable and fixed upper and lower blades for sandwiching and cutting the tape is attached to the tape holding roll. A tape applying machine used in continuous strip processing equipment, characterized in that the tape applying machine for strips is simplified by being provided horizontally and freely rotatable together with the rolls (16) and (16a).

〔Example〕

The structure of the present invention together with the operation will be described in more detail with reference to the embodiments shown in the accompanying drawings.

FIG. 1 is a side sectional view of an embodiment of the present invention, FIG. 2 is a sectional view taken along the line A--A of FIG. 1, FIG. 3 is a schematic view of the process of the present invention, and FIG. It is a connection sectional view.

1 and 2, the strip 1 passes through the frame 2 of the tape application machine in the X direction. The frame 2 is formed in a U-shape, and reciprocates in the width direction of the strip 1 with wheels 4 mounted on a base 3. The driving is performed by the expansion and contraction operation of the frame traverse cylinder 5.

On the base 3, a pair of front and rear clamp devices 6, 7 are provided upright on the front and rear sides of the frame 2 in the strip traveling direction X. That is, the clamp device 6 for pressing the entry side of the strip 1 is composed of a fixed plate 8a and a movable plate 10 that moves up and down in the Y direction by the hydraulic cylinder 9, and the clamp device 7 for pressing the exit side is similar to the entry side. It comprises a fixed platen 8a, a hydraulic cylinder 9 and a movable platen 10. And
The connecting portions 1 of the strip 1 are provided by these clamping devices 6 and 7.
Hold the front and back of 1 and fix.

An upper head 13 and a lower head 14 are attached to the U-shaped free end of the frame 2 so as to face each other, and the upper and lower heads 13 and 14 are attached to one-sided adhesive tapes 12 and 12a, respectively. Are wound, and tape holding rolls 16, 16a to which the adhesive tapes 12, 12a are supplied.
And a pair of tape cutters 17 on the opposite side of the head are attached to each other. In particular, the tape pressing roll 16 on the upper head 13 side is urged by a roll pressing spring 18, and the lower head 14 The tape cutter 17 on the side is operated by a tape cutter cylinder 19. Therefore, the tape cutters 17, 17 can be said to be a set of cutters composed of a movable and fixed upper and lower blade for sandwiching and cutting the tape. And these upper and lower heads 13,1
4 are mounted on the frame 2 via mounting shafts 20, respectively, and these mounting shafts 20 are connected to the horizontal shaft 22 via first bevel gears 21, respectively. Also, the horizontal axis up and down
22 and 22 each have a vertical axis 24 through a second bevel gear 23.
It is connected to. This vertical shaft 24 is connected to a head rotation cylinder 26 via a rack and pinion mechanism 25.

 27 indicates a photosensor.

Next, the operation of the present embodiment will be described.
And the subsequent strip 1b are connected by a welding machine (not shown), and the connecting portion 11 is firstly connected to the tape applying machine of the present embodiment.
It is transported in the X direction shown in the figure. In this tape application machine, the adhesive tape pulled out from the adhesive tape coil 15, 15a
If the winding side is not on the strip side as shown in FIG. 2 in a state where the tapes 12 and 12a are wound on the upper and lower tape press rolls 16 and 16a, respectively, the cylinder 26 for rotating the head is operated to operate the rack and pinion. The mechanism 25 → vertical shaft 24 → second bevel gear 23 → horizontal shaft 22 → first bevel gear 21 → installation shaft 20 causes the upper and lower heads 13 and 14 to turn 180 ° horizontally to produce a third
The winding side of the upper and lower tape press rolls 16 and 16a is directed to the strip 1 as shown in FIG. Next, the clamping devices 6 and 7 are operated to sandwich and fix the front and rear sides of the strip 1.

Then, when the frame traverse cylinder 5 is operated, the frame 2 moves on the base 3 in the width direction of the strip 1 (X 'direction in FIG. 2), and the upper and lower tape pressing rolls 16 and 16a At one end in the width direction of
At that position, as shown in FIG.
11 Start attaching the upper and lower surfaces. Of course, with the movement in the width direction,
The adhesive tapes 12, 12a are sequentially pulled out from the adhesive tape coils 15, 15a. At the beginning of the pasting, if the photo sensor 27 detects the plate edge of the drawn end of the adhesive tape 12, 12a,
The tape cutters 17 and 17a are activated, and the extra adhesive tape 12,1
Cut 2a.

Next, when the attachment of the adhesive tapes 12 and 12a is completed as shown in FIG. 3C by further moving the frame 2, the adhesive tape is again detected by the photo sensor 27.
Since a continuous portion between the adhesive portions 12 and 12a and the tape pressing rolls 16 and 16a is detected, the tape cutters 17 and 17 are operated to cut this portion.

Then, for the next adhesive tape application, like above,
The lower heads 13 and 14 are turned by 180 ° to change the direction of the winding side of the upper and lower tape pressing rolls 16 and 16a and move them in the opposite direction.

The tape applying machine of the present embodiment is used for covering the upper and lower surfaces of the connection portion of the strip connected by welding or the like with an adhesive tape, but the present invention is not limited thereto.
It may be used to connect a preceding strip and a succeeding strip by sticking an adhesive tape.

〔The invention's effect〕

According to the present invention, it is provided so as to be pivotable 180 ° horizontally,
In the lower heads (13) and (14), on the side opposite to the tape pressing rolls (16) and (16a), that is, the tapes (12) and (1) pressed by the tape pressing rolls (16) and (16a).
2a) is cut with only one set of cutters (17) composed of movable and fixed upper and lower blades that sandwich and cut the tape, and the tapes (12) and (12a) are cut by this set of cutters (17).
The tapes (12) and (12a) after affixed to the drawer end and the strip can be cut in good tension and cut without mistakes (except for the first cut immediately after tape coil set). .

In addition to this, there is no need for the four sets of cutters and grippers found in the above-mentioned Japanese Patent Publication No. Sho 62-55452, and
Since the drive source of the cutter (17) can be simplified,
The structure of the tape applicator can be simplified, and as a result, the equipment cost can be significantly reduced.

[Brief description of the drawings]

FIG. 1 is a side sectional view of an embodiment of the present invention, FIG. 2 is a sectional view taken along the line A--A of FIG. 1, FIG.
The figure is a sectional view of the connection of the strip according to the invention. 1a: Leading strip, 1b: Trailing strip, 11 ...
Connection part, 12 ... adhesive tape, 13, 14 ... head, 16 ...
Tape retainer roll, 17 Tape cutter.

Claims (1)

(57) [Claims] A pair of upper and lower tape pressing rolls (16) that sandwich the upper and lower surfaces of a portion where a trailing end of a preceding strip and a leading end of a succeeding strip are connected, and that reciprocate while rolling in the strip width direction. For (16a), adhesive tapes (12) and (12a) are supplied from the moving side, respectively, and these tape pressing rolls (16) and (16a) reciprocate in the strip width direction. Each in frame (2)
In a tape applicator provided to face 180 ° horizontally rotatable, in addition to supporting the tape press rolls (16) and (16a),
Tape holding roll (16) of lower head (13), (14),
On the opposite side to (16a), only one set of movable and fixed upper and lower blades that sandwich and cut the tape (17)
A tape applying machine used in a continuous strip processing facility, characterized in that the tape applying machine is provided so as to be horizontally rotatable together with the tape holding rolls (16) and (16a), thereby simplifying the tape applying apparatus for strip.