JP2556549Y2 - Web roll terminal processing equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a web roll terminal processing apparatus for fixing a web roll winding web terminal by sticking an adhesive tape piece.

[0002]

2. Description of the Related Art A plurality of webs are formed by cutting a strip of paper, film or the like drawn from a roll into a required width with a pair of trimming blades and a plurality of slitter blades. In a winder that is wound by a core placed between rolls, when the winding diameter of the web wound by the core reaches a set winding diameter, the web roll on which the web is wound is moved to the web. They are discharged downstream in the transfer direction.

The web roll formed by the above-mentioned winder is rewound when the web roll is transferred if the end of the web is kept in a wound state.
The terminal is fixed by sticking an adhesive tape piece.

[0004]

[Problems to be Solved by the Invention] By the way, when sticking the adhesive tape piece to the web terminal of the web roll,
In the past, since the adhesive tape pieces were manually affixed, it was extremely troublesome, and when the width of the web was large, wrinkles and sagging often occurred at the end portion of the web.

[0005] An object of the present invention is to provide a web roll terminal processing apparatus capable of mechanically attaching an adhesive tape piece without causing wrinkles or slack in the end portion of the web roll. .

[0006]

In order to solve the above-mentioned problems, in the present invention, a pair of rotating rolls that support a web roll and contact and rotate the web roll in a web winding direction are provided. A tape holding member provided so as to be able to freely contact and separate from the outer periphery of the web roll supported by the roll, and having a window extending in the axial direction of the web roll, and a part of the adhesive tape piece overlapping the surface of the tape holding member; A tape sticking unit for sticking the above-mentioned adhesive tape piece only to the end of the web facing the window in a state, and a moving means for moving this tape sticking unit in the axial direction of the web roll. A configuration in which a partly overlapping surface was subjected to a release treatment was adopted.

[0007]

In the terminal processing device having the above configuration,
After rotating the web roll set between the pair of rotating rolls by contact with the rotating rolls, and stopping the web roll at a position where the end of the web is opposed to the window of the tape pressing member contacted with the web rolls, the tape A piece of adhesive tape is attached to the end of the web facing the window by the operation of the attaching unit. When sticking multiple pieces of adhesive tape to one web roll, or when a required number of web rolls are supported between rotating rolls and sticking multiple pieces of adhesive tape to the end of each web roll, one sheet Each time the adhesive tape piece is applied, the tape applying unit is moved a predetermined distance in the axial direction of the web roll to repeat the adhesive tape piece attaching operation.After the adhesive tape piece is attached, the web roll is moved in the web winding direction. Then, the non-adhesive portion of the adhesive tape piece is adhered to the outer periphery of the web roll by the rotation of the tape pressing member.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings.

FIGS. 1 to 6 show a first embodiment of the terminal processing apparatus according to the present invention. As shown in the figure, a pair of rotating rolls 2a and 2b that support the web roll A are provided below the pair of side frames 1a and 1b. One of the rotating rolls 2a is rotated by a driving device (not shown), and the web roll A is rotated by contact with the rotating roll 2a.

A guide hole 3 is provided above the pair of side frames 1a and 1b, and a beam member 4 having both ends inserted into the guide hole 3 extends along a rail 5 provided on the inner surface of the guide hole 3 facing the inside. It is supported up and down freely.

The beam member 4 is moved up and down by a lifting device 10. The lifting device 10 is provided with a pair of screw shafts 12a, 12b which are screw-engaged with the nut members 11 provided at both ends of the beam member 4, on the outer sides of the side frames 1a, 1b to rotatably support the upper and lower ends. A drive shaft 14 rotated by a motor 13 is rotatably supported between the upper portions of the side frames 1a and 1b, and the rotation of the drive shaft 14 is transmitted to a pair of screw shafts 12a and 12b via a bevel gear (not shown). ,
The rotation of the pair of screw shafts 12a and 12b causes the beam member 4 to rotate.
Is moved up and down.

Below the beam member 4, a plate-like tape pressing member 20 is provided. Four guide shafts 21 are provided at four corners of the upper surface of the tape pressing member 20, and the upper portion of each guide shaft 21 is slidably supported by a bracket 22 attached to the beam member 4. The guide shaft 21 is prevented from moving downward by the engagement between the large-diameter portion 23 attached to the upper end thereof and the bracket 22, and the spring 24 provided on each guide shaft 21 presses the tape pressing member 20 downward. ing.

For this reason, when the beam member 4 moves up and down, the tape pressing member 20 moves up and down together with the pair of rotating rolls 2.
The tape pressing member 20 can be brought into elastic contact with the outer periphery of the web roll A supported by a and 2b.

As shown in FIG. 5, the tape pressing member 20 has a window 25 extending in the axial direction of the web roll A, and the upper surface thereof is subjected to a release treatment for preventing the adhesive tape from adhering. There is a method of applying silicone as the release treatment.

The beam member 4 is provided with a plurality of rails 6 extending long in the axial direction of the web roll A.
The carriage 30 is movably supported along the line.

The carriage 30 is moved by a moving device 40. The moving device 40 has a motor 41 mounted on the carriage 30 and meshes with a rack 43 in which a pinion 42 mounted on a rotating shaft of the motor 41 is fixed to the beam member 4.

A window 25 is provided above the tape holding member 20 so as to partially overlap the surface of the tape holding member 20.
Is provided with a tape sticking unit 50 for sticking an adhesive tape piece t to a terminal portion of the web roll A facing the.

FIG. 4 shows the details of the tape attaching unit 50. The tape affixing unit 50 includes a tape roll 5
1 is connected to a pair of links 54 arranged in parallel with a roll holder 52 that detachably supports the roller 1, and a lifting cylinder 55 is attached to the roll holder 52. The guide holder 53 is raised and lowered by the operation.

The guide holder 53 includes a suction head 56 for sucking and supporting the tip of the adhesive tape T pulled out from the tape roll 51, and a tape guide 57 for extending the adhesive tape T along the lower surface of the suction head 56. A support piece 58 provided in the middle of the suction head 56 is swingably attached to the guide holder 53 by a pin 59, and the suction head 56 is swung about the pin 59 by a cylinder 60 supported by the guide holder 53. I try to make it.

Further, the tape holder 6 is attached to the guide holder 53.
1, a cutter 62 is provided between the tape retainer 61 and the suction head 56, and the cutter 62 is moved by the operation of a cylinder or the like so that the tape retainer 61 and the suction head 56 are moved.
The adhesive tape T is cut between the two.

The tape attaching unit 50 is connected to the carriage 30 through a rodless cylinder 63,
By the operation of the cylinder 63, the tape sticking unit 5
0 is moved in the circumferential direction of the web roll A.

The terminal processing apparatus shown in the embodiment has the above-mentioned structure. When the terminal processing of the web roll A is performed, the beam member 4 is lowered and the web roll A placed on the pair of rotary rolls 2a and 2b is processed. The rotating roll 2a is driven in a state where the tape pressing member 20 is elastically contacted with the upper outer periphery, and the web roll A is rotated in the web winding direction by contact with the rotating roll 2a, so that the terminal a of the web w is After rotating the web roll A to a position opposing the window 25 of the holding member 20, an adhesive tape piece t is attached to the end of the web w.
Paste.

At the time of sticking the adhesive tape piece t, the guide holder 53 is lowered by the operation of the lifting cylinder 55, and the tape holder 6 attached to the guide holder 53 is moved.
In a state in which the adhesive tape 1 contacts the outer periphery of the web roll A, the cylinder 60 shown in FIG. The distal end is pressed against the surface of the terminal a of the web w as shown in FIG.

When the end of the adhesive tape T adheres to the end surface of the web w, the suction of the suction head 56 is released, and the suction head 56 is swung in a direction away from the web roll A. Moves the tape applying unit 50 in the circumferential direction of the web roll A.

The adhesive tape T is fed out from the tape roll 51 by the movement of the tape attaching unit 50, and the adhesive tape T is fed to the tape holder 61 as shown in FIG.
And is adhered to the web terminal of the web roll A.

When the suction head 56 passes through the window 25 of the tape pressing member 20 and faces the surface of the tape pressing member 20,
The adhesive tape T is sucked by applying a suction force to the suction head 56, and the adhesive tape T is cut between the suction head 56 and the tape holder 61 by the operation of the cutter 62. At this time,
The cut-side end of the adhesive tape piece t to be adhered to the web roll A overlaps the upper surface of the tape pressing member 20, and the web roll A
Does not adhere to the outer periphery of

When the width of the web roll A placed on the pair of rotating rolls 2a and 2b is large and a plurality of pieces of adhesive tape are stuck to the end thereof, or as shown in FIG. When a plurality of web rolls A are placed on the rolls 2a and 2b, and a plurality of pieces of adhesive tape are stuck to the end of each web roll A, each time the piece of adhesive tape t is stuck by the above-described operation, The operation of moving the tape applying unit 50 backward by the operation of the rodless cylinder 63 and the operation of moving the carriage 30 by a predetermined distance along the rail 6 by the operation of the moving device 40 are required for one web roll A. A required number of adhesive tape pieces t are bonded to the web terminals of a plurality of web rolls A, or a required number of adhesive tape pieces t are bonded to the web terminals of a plurality of web rolls A.

When the adhesion of the adhesive tape piece t to the web roll A is completed, the guide holder 53 moves upward, and one of the rotating rolls 2a rotates to rotate the web roll A in the web winding direction.

At this time, since the tape pressing member 20 is elastically pressed against the outer periphery of the web roll A, the web w is rotated by the rotation of the web roll A in the web winding direction.
When the adhesive tape piece t passes below the tape pressing member 20, a plurality of adhesive tape pieces t are pressed by the tape pressing member 20.
Are simultaneously adhered to the outer periphery of the web roll A.

When the adhesive tape piece t is bonded, the end of the web a is tensioned by the tape pressing member 20 as described above, so that the end of the web a does not wrinkle or sag at the end. t can be attached.

FIG. 7 shows a second embodiment of the terminal processing apparatus according to the present invention. In the second embodiment, the first
In this embodiment, an example is shown in which the tape affixing unit 50 in the embodiment of FIG. Here, the suction head 56 has a width capable of sucking and supporting approximately の of the width of the adhesive tape T, and when the suction head 56 descends, the window 2
5 is provided at a position where it can be inserted.

In the second embodiment, the tape sticking unit 50 can be moved in the axial direction of the web roll A by the operation of the rodless cylinder 63, so that one side of the adhesive tape piece is moved along the end of the web w. The adhesive tape piece t can be adhered along the end of the web in a state where the portion overlaps the surface of the tape pressing member 20, and by rotating the web roll in the web winding direction after attaching the adhesive tape piece, The entire terminal of the web w can be pressed with the piece of adhesive tape.

[0033]

As described above, in the terminal processing apparatus according to the present invention, since the adhesive tape piece can be automatically attached to the terminal of the web roll, there is a great effect on labor saving. With the adhesive tape piece adhered only to the end of the web in a state where the adhesive tape piece partially overlaps the surface of the tape holding member subjected to the release treatment,
Since the adhesive tape piece is adhered to the outer periphery of the web roll while the web terminal is stretched by the tape pressing member by the rotation of the web roll, the adhesive tape can be applied without causing wrinkles or slack at the end of the web. .

Further, a part of the plurality of adhesive tape pieces is adhered to the surface of the end portion of the web roll, and then the web roll is rotated in the web winding direction to simultaneously adhere each adhesive tape piece to the outer periphery of the web roll. Therefore, the operation of attaching the adhesive tape pieces can be performed more efficiently than when the adhesive tape pieces are completely adhered one by one.

[Brief description of the drawings]

FIG. 1 is a front view showing a first embodiment of a terminal processing device according to the present invention;

FIG. 2 is a side view of the upper part of the above.

FIG. 3 is a sectional view taken along the line III-III in FIG. 1;

FIG. 4 is an enlarged view of the same tape sticking unit.

FIG. 5 is a plan view of the same tape pressing member.

FIGS. 6A and 6B are cross-sectional views showing stepwise attachment of an adhesive tape piece;

FIG. 7 is a front view showing a second embodiment of the terminal processing apparatus;

[Explanation of symbols]

 A Web roll 2a, 2b Rotating roll 20 Tape holding member 25 Window 40 Moving device 50 Tape sticking unit

Claims (1)

(57) [Scope of request for utility model registration] 1. A pair of rotating rolls that support a web roll and rotate the web roll in contact with the web winding direction, and are provided so as to be able to freely contact and separate from the outer periphery of the web roll supported by the rotating roll. A tape pressing member having a window extending in the axial direction of the web roll, and a tape for applying the adhesive tape piece only to the end of the web facing the window with a part of the adhesive tape piece overlapping the surface of the tape pressing member. A web roll terminal processing device, comprising a sticking unit and a moving means for moving the tape sticking unit in the axial direction of the web roll, and performing a release treatment on a surface where a part of the adhesive tape piece of the tape pressing member overlaps. .