JP3021163B2 - Sheet material sticking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for attaching a sheet material such as an adhesive tape or label to a sheet attaching surface such as a film.

[0002]

2. Description of the Related Art FIG. 2 is a schematic view showing a conventional double-sided adhesive tape sticking apparatus. This sticking device holds a double-sided adhesive tape 2 supplied by a tape supply device 1 on a tape holding surface 3A of a square rotating drum 3 in sequence, and a cylinder 4 moves the tape holding surface 3A of the drum 3 toward and away from a film 5. Then, the tape 2 on the tape holding surface 3A is attached to the film 5. In addition, the film 5 passes through the tape 2,
It is joined with another film 5.

The tape supply device 1 supplies the continuous tape 2 to the tape holding surface 3A of the drum 3, and is provided with a cutter device 9 for cutting the tape 2 on the drum 3. The cutter device 9 cuts the tape 2 located at one end of the tape holding surface 3A facing the film 5. The cutter device 9 moves in a direction perpendicular to the plane of FIG. 2 to cut the tape 2.

Here, the stroke of the cylinder 4 is fixed. In the case where the length of the tape 2 to be applied changes due to a change in the width of the film 5, the new drum 3 having the tape holding surface 3A having the same length as the new applied length of the tape 2
Is replaced with the old drum 3. At this time, the new and old drums 3 have the same linear direction a connecting one end of the tape holding surface 3A facing the film 5 from the center of rotation.

In the prior art, a lifting table 7 that can move up and down and a traversing table 8 that can move laterally with respect to the lifting table 7 are provided with respect to the base 6. The drum support 3B is supported at the end of the piston rod of the cylinder 4, and the above-described drum 3 is supported on the drum support 3B so as to be intermittently rotatable.

Accordingly, when a new drum 3 having a tape holding surface 3A having the same length as the new length of the double-sided adhesive tape 2 is used for replacement, the X direction position of the tape holding surface 3A is changed to the X direction position of the film 5. And the X-direction position of the drum 3 is adjusted by the traverse table 8 so that the Y-direction position of the tape holding surface 3A is higher than the Y-direction position of the film 5 by the stroke of the cylinder 4. 7
The position of the drum 3 in the Y direction is adjusted.

When the sticking start position (width end position) of the film 5 changes in addition to the change of the sticking length of the double-sided adhesive tape 2, the X-direction position and the Y-direction position of the drum 3 are changed as described above. Adjustment by the traversing table 8 and the lifting table 7
The position of the cutter device 9 in the X direction is adjusted with respect to the tape cutting position on the drum 3 set to the new position.

[0008]

However, the prior art has the following problems. When the sticking length of the double-sided adhesive tape 2 changes due to a change in the width of the film 5, the position in the X direction of the new drum 3 including the tape holding surface 3 </ b> A having the same length as the new length of the tape 2
The position in the Y direction needs to be adjusted using each of the traversing platform 8 and the lifting platform 7, which is complicated.

When the sticking start position (width end position) of the film 5 changes in addition to the change of the sticking length of the double-sided adhesive tape 2, the X-direction position and the Y-direction position of the drum 3 are changed to the horizontal platform 8, It is necessary to perform adjustment using each of the lifts 7 and to adjust the X-direction position of the cutter device 9 with respect to the tape cutting position on the drum 3 set to the new position, which is complicated.

An object of the present invention is to make it possible to easily adjust the position of the sheet holding surface of the rotary drum when the length of the sheet material changes due to a change in the length of the sheet bonding surface.

Another object of the present invention is to make it possible to easily adjust the position of the sheet holding surface of the rotary drum and the position of the cutter device even when the sticking start position of the sheet sticking surface changes.

[0012]

According to a first aspect of the present invention, a sheet material supplied by a sheet supply device is sequentially held on a sheet holding surface of a polygonal rotary drum, and a sheet of the polygonal rotary drum is held by an actuator. In a sheet material sticking apparatus that moves the holding surface toward and away from the sheet sticking surface and sticks the sheet material on the sheet holding surface to the sheet sticking surface, the sheet sticking surface is opposed to the sheet sticking surface from the rotation center of the polygonal rotary drum. A linear direction connecting one end of the sheet holding surface is defined as an a direction, and a first movable platform is provided with respect to the base along the a direction, and the first movable platform is provided with a second stroke via a constant stroke actuator. A movable table is supported so as to be able to move toward and away from the sheet attaching surface, a polygonal rotary drum is supported on the second movable table so as to be intermittently rotatable, and a polygonal rotary drum supported on the second movable table is supported. Seat holder Surface is that as is caused to contact Hanaredo respect to the seat attaching surface by the operation of the actuator.

According to a second aspect of the present invention, in the first aspect of the present invention, the base is further supported on a gantry so as to be movable in a surface direction of a sheet attaching surface. It is.

According to a third aspect of the present invention, in the second aspect of the present invention, the sheet supply device further supplies a continuous sheet material to a sheet holding surface of the polygonal rotary drum, and A cutter device for cutting a material is arranged on the base.

[0015]

According to the present invention, the following effects are obtained. If the length of the sheet material changes due to a change in the length of the sheet bonding surface, a new rotating drum having a sheet holding surface having the same length as the new bonding length of the sheet material is used. At this time, the new and old rotating drums have the same linear direction a connecting one end of the sheet holding surface facing the sheet attaching surface from the center of rotation. Therefore, as long as the condition that the sticking start position of the sheet sticking surface does not change does not change, the first movable base on which the rotating drum is mounted together with the second movable base and the actuator is moved relative to the base by a
Direction, and if one end of the sheet holding surface of the new rotary drum is matched with the sticking start position of the sheet sticking surface in the X direction (surface direction of the sheet sticking surface), as a result, the sheet holding surface is automatically moved. The stroke separation distance of the actuator is set in the Y direction from the sheet attachment surface. That is, the position of the sheet holding surface of the rotary drum can be easily adjusted with respect to the sheet sticking surface of the new length.

When the sticking start position of the sheet sticking surface changes in the X direction, the rotating drum is moved from the first moving stand mounted together with the second moving stand and the actuator to the base in the a direction as required. The rotary drum is moved and fixed to the base so that the sheet holding surface of the rotary drum is separated from the sheet sticking surface by the stroke of the actuator in the Y direction. Then, if the base is moved in the X direction with respect to the gantry, and one end of the sheet holding surface of the rotating drum is matched with the sticking start position of the sheet sticking surface in the X direction,
The position of the sheet holding surface can be easily adjusted with respect to the new sticking start position of the sheet sticking surface.

When the cutter device is arranged on the base, the cutter device automatically moves with the movement of the base. Therefore, in the above, when the rotary drum is fixed to the base such that the sheet holding surface of the rotary drum is separated from the sheet sticking surface by the stroke of the actuator in the Y direction, the cutter device is provided with the rotary drum. The positional relationship with the sheet cutting position on the rotating drum, such as one end of the sheet holding surface, is fixed. Thereby, when the sticking start position of the sheet sticking surface changes in the X direction, when the base is moved in the X direction with respect to the base to adjust the position of the sheet holding surface of the rotary drum, the cutter device position is set to the new position. It can be easily adjusted to the set sheet cutting position on the rotating drum.

[0018]

FIG. 1 is a schematic view showing an embodiment of the present invention. The double-sided adhesive tape applying device 10 includes a tape supply device 1
The double-sided adhesive tape 12 supplied from the cylinder 24 is sequentially held on the tape holding surface 13A of the square rotary drum 13 and the cylinder 24
The tape holding surface 13A of the drum 13 is
And affixes to the film 15 the double-sided adhesive tape 12 on the tape holding surface 13A. Note that the film 15 is bonded to another film 15 via the double-sided adhesive tape 12.

The double-sided adhesive tape applying apparatus 10 includes a drum 1
The direction of the straight line connecting the rotation center 3 and one end of the tape holding surface 13A with respect to the film 15 is defined as the a direction. In addition, a first moving table 23 that can move along a slide groove 22 extending in the direction a is provided with respect to a base 21 on the gantry 20, and the first moving table 23 has a cylinder 2 having a constant stroke.
4, a second movable table 25 is supported so as to be movable toward and away from the film 15, and the drum 13 is supported on the second movable table 25 so as to be intermittently rotatable. 26 is an intermittent rotation device. As a result, in the double-sided adhesive tape applying apparatus 10, the tape holding surface 13 </ b> A of the drum 13 supported by the second moving table 25 is
, And the double-sided adhesive tape 12 on the tape holding surface 13 </ b> A is stuck on the film 15.

The tape holding surface 13A is coated with a highly releasable material such as Teflon (registered trademark), silicon or the like, so that the double-sided adhesive tape 12 temporarily adhered and held on the tape holding surface 13A can be easily formed. Transfer to the film 15 side.

Further, in the double-sided adhesive tape applying apparatus 10, the base 21 is movable in the surface direction of the film 15 along the slide groove 27 provided in the gantry 20.

In the double-sided adhesive tape applying apparatus 10, the tape supply device 11 supplies the continuous double-sided adhesive tape 12 to the tape holding surface 13 A of the drum 13,
The cutter device 28 that cuts the tape at one end of the tape holding surface 13A is disposed on the base 21. Cutter device 28
1 along a slide groove 29 provided in the base 21.
And cuts the tape 12 while passing through a slit 31 provided at a corner of the drum 13.

Therefore, the double-sided adhesive tape applying apparatus 10 operates as follows (1) to (3).

(1) The first moving table 23 on which the second moving table 25 supporting the rotating drum 13 is mounted together with the cylinder 24 is set at an appropriate position on the slide groove 22 of the base 21. This appropriate position means that the cylinder 24 is moved to the second moving table 25.
Is set to the original position, one end of the tape holding surface 13A of the drum 13 matches the sticking start position of the film 15 in the X direction (the surface direction of the film 15), and the tape holding surface 13A is in the Y direction. 15 is a position interposed with a gap corresponding to the stroke of the cylinder 24.

(2) The double-sided adhesive tape 12 supplied by the tape supply device 11 is bonded and held on the tape holding surface 13A of the rotating drum 13. The tape 12 on the tape holding surface 13A facing the film 15 due to the intermittent rotation of the intermittent drum 13 is cut at one end of the tape holding surface 13A using the cutter device 28, and the length of the tape 12 is reduced by the film. The length corresponds to the pasting width of 15.

(3) Operate the cylinder 24 for the stroke,
The tape holding surface 13A of the rotating drum 13 is moved toward and away from the film 15, and the tape 12 on the tape holding surface 13A is transferred to the film 15 and attached.

Next, the operation of the present embodiment will be described. When the length of the film 15 changes, the double-sided adhesive tape 12
Is changed, a new rotating drum 13 having a sheet holding surface 13A having the same length as the new sticking length of the double-sided adhesive tape 12 is used. At this time, the new and old rotary drums 13 have the same linear direction a connecting one end of the tape holding surface 13A facing the film 15 from the center of rotation. Therefore, the film 15
As long as the condition that the sticking start position does not change does not occur, the rotating drum 13 is
The first movable base 23 mounted together with the base 4 is moved in the direction a with respect to the base 21, and one end of the tape holding surface 13A of the new rotary drum 13 is attached to the sheet 15 in the X direction (the surface direction of the film 15). If the start position is matched, the tape holding surface 13A is automatically and automatically placed on the film 15 as a result.
The stroke separation distance of the cylinder 24 is set more in the Y direction. That is, the tape holding surface 13 of the rotating drum 13
The position A can be easily adjusted for the film 15 having a new length.

When the sticking start position of the film 15 is changed in the X direction, the rotating drum 13 is moved to the first moving stage 23 mounted together with the second moving stage 25 and the cylinder 24.
Is moved in the direction a with respect to the base 21 as necessary (when the rotary drum 13 is replaced in accordance with a change in the length of the double-sided adhesive tape 12), and the tape holding surface 1 of the rotary drum 13 is moved.
The rotating drum 13 is fixed to the base 21 so that the 3A keeps the stroke of the cylinder 24 separated from the film 15 in the Y direction. Then, the base 21 is attached to the base 2
If the one end of the tape holding surface 13A of the rotary drum 13 is aligned with the sticking start position of the film 15 in the X direction, the position of the tape holding surface 13A is shifted with respect to the new sticking start position of the film 15. Easy to adjust.

When the cutter device 28 is disposed on the base 21, the cutter device 28 automatically moves with the movement of the base 21. Therefore, in the above, when the rotating drum 13 is fixed to the base 21 so that the tape holding surface 13A of the rotating drum 13 is separated from the film 15 by the stroke of the cylinder 24 in the Y direction,
The cutter device 28 is connected to the tape holding surface 13 of the rotating drum 13.
A The positional relationship with the tape cutting position, which is one end, is fixed. Accordingly, when the sticking start position of the film 15 changes in the X direction, when the base 21 is moved in the X direction with respect to the gantry 20 to adjust the position of the tape holding surface 13A of the rotating drum 13, the cutter device 28 The position can be easily adjusted with respect to the sheet cutting position on the rotating drum 13 set to the new position.

In the present invention, a label or the like may be used as the sheet material. In the embodiment of the present invention, the polygonal rotary drum may reciprocate intermittently.

Further, in the embodiment of the present invention, the polygonal rotary drum may rotate intermittently or intermittently reciprocally by 180 degrees. In this case, the sheet holding surface may be two upper and lower surfaces.
Only one surface may be used.

In the embodiment of the present invention, the sheet material supplied from the sheet supply device to the sheet holding surface of the rotary drum is not limited to a continuous sheet material, but may be a cut material.

[0033]

As described above, according to the present invention, the position of the sheet holding surface of the rotary drum can be easily adjusted when the length of the sheet material changes due to the change in the length of the sheet bonding surface. Can be.

Further, according to the present invention, when the sticking start position of the sheet sticking surface changes, the position of the sheet holding surface of the rotary drum and the position of the cutter device can be easily adjusted.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing one embodiment of the present invention.

FIG. 2 is a schematic diagram showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Adhering apparatus 11 Tape supply apparatus (sheet supply apparatus) 12 Double-sided adhesive tape (sheet material) 13 Rotary drum 13A Tape holding surface (sheet holding surface) 15 Film (sheet attaching surface) 20 Mount 21 Base 23 First moving stand 24 Cylinder (actuator) 25 Second carriage 28 Cutter device

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Noboru Yamakawa 1-1-1, Ichigaya-Kaga-cho, Shinjuku-ku, Tokyo Inside Dai Nippon Printing Co., Ltd. (56) References JP-A-1-321256 (JP, A) 49-128695 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B65H 35 / 07,21 / 00 B65C 9/26

Claims (3)

(57) [Claims] 1. A sheet material supplied by a sheet supply device is sequentially held on a sheet holding surface of a polygonal rotary drum, and the sheet holding surface of the polygonal rotary drum is moved toward and away from a sheet attaching surface by an actuator, In the sheet material sticking apparatus for sticking the sheet material on the sheet holding surface to the sheet sticking surface, a straight line direction connecting the one end of the sheet holding surface facing the sheet sticking surface from the rotation center of the polygonal rotary drum is defined as a direction. The base is provided with a first movable base that can move in the direction a, and the second movable base can be freely moved toward and away from the sheet attaching surface via an actuator having a constant stroke. The polygonal rotary drum is supported intermittently and rotatably on the second movable table, and the sheet holding surface of the polygonal rotary drum supported on the second movable table changes the sheet by the operation of the actuator. An apparatus for attaching a sheet material, wherein the sheet material is moved toward and away from an attaching surface. 2. The sheet sticking apparatus according to claim 1, wherein the base is supported on a gantry so as to be movable in a surface direction of the sheet sticking surface. 3. The sheet supply device supplies a continuous sheet material to a sheet holding surface of a polygonal rotary drum, and a cutter device for cutting the sheet material is disposed on the base. A sheet material sticking device according to the above.