JPH0724224Y2 - Stripping device for banded paper - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention cuts out both side edges of a band-shaped paper material fed along a feeding direction in order to form a band-shaped paper material fed from a holding roller into a predetermined width. In addition, the present invention relates to an improvement of an edge-cutting device for a band-shaped paper material that is capable of winding and holding the cut-off band-shaped ears.

[Prior Art] In order to form a band-shaped paper material fed out from a holding roller to have a predetermined width, both side edges of the band-shaped paper material can be cut along the feeding direction, and the cut-off band-shaped ears can be wound and held. An outline of such a stripping device for strip-shaped paper material is disclosed, for example, in Japanese Patent Publication No. 57-44527. The ear-cutting device disclosed here is
A holding roller that winds and holds a band-shaped paper material (wrapping paper),
A feeding drive roller for feeding and feeding the band-shaped paper material wound and held by the holding roller, and cutting both side ends of the band-shaped paper material along the feeding direction so as to form the band-shaped paper material fed and supplied in a predetermined width. A slitter knife and a selvage take-up roller capable of winding and holding the strip-shaped ears cut by the slitter knife, the slitter knife is configured to be rotated by a motor, and the wrapping paper is rotated by the motor. I try to cut my ears through between the knives. Incidentally, in the ear cutting device of Japanese Patent Publication No. 57-44527, the winding driving means of the ear winding roller for winding the band-shaped ears cut by the slitter knife is not disclosed, but it is usually used for driving a torque motor or the like. The winding driving force is given by means.

[Problems to be solved by the invention] The edge-cutting device for strip-shaped paper materials such as wrapping paper described in the related art is a motor (torque motor) that rotates a winding roller that winds up the ears cut off by a slitter knife. The driving force is directly transmitted, and the rotational driving force pulls the ear to wind up the ear. Therefore, for example, when the wrapping paper being fed out and fed is cut due to damage or excessive pulling, the selvage take-up roller that is directly driven by the torque motor that rapidly reduces torque and rotates at high speed Since the high-speed rotation is continued while the cut end of the wound ear is swung at high speed, there is a problem that it is dangerous and uneconomical.

Further, the conventional ear cutting device has a problem in that it is uneconomical because the ear is cut off by a slitter knife rotated by a motor.

The present invention does not require a unique drive motor for rotationally driving the edge take-up roller or the slitter knife, but uses the feeding friction force of the strip-shaped paper material fed out by the feeding roller from the holding roller to utilize the slitter. When cutting off the ears with a knife and winding up the cut off ears, and when the belt-shaped paper material fed out by the feeding roller by the feeding roller is stopped due to a trouble such as cutting, Provides an ear-cutting device that simultaneously stops the ear-cutting operation by a slitter knife that is given a rotational driving force from the feeding frictional force of the band-shaped paper material and the winding operation of the cut-off ear. Is intended.

[Means for Solving the Problems] In order to achieve the above-mentioned object, the edge-cutting device for band-shaped paper material of the present invention is configured as follows.

That is, a holding roller that winds and holds a band-shaped paper material such as wrapping paper, a feeding drive roller that feeds and feeds the band-shaped paper material that is wound and held by the holding roller, and a belt-shaped shape that is fed and supplied by the drive roller. A friction roller that is given a rotational force by the feeding frictional force of the paper material, and a slitter that cuts out both ends of the belt-shaped paper material along the feeding direction so as to form the belt-shaped paper material that is fed and supplied to a predetermined width.
An ear winding roller capable of winding and holding the band-shaped ear cut by the slitter by a rotational force transmitted from the friction roller, and a clutch capable of controlling the rotation transmitted from the friction roller to the ear winding roller. It is a thing.

The slitter is provided with a slitter roll rotatably pressed against the roll surface of the friction roller via a belt-shaped paper material fed out to the roll surface of the friction roller, and the peripheral surface of the slitter roll is provided with the peripheral surface of the friction roller. The slitter knives that engage with the formed slitter knife receiving grooves extending in the rotational direction are provided in a protruding manner.

[Operation] The edge-cutting device for strip-shaped paper material configured as described above cuts off the edges from the friction roller to which the rotational force is given by the feeding-out frictional force of the strip-shaped paper material fed out from the holding roller by the feeding drive roller. The rotation driving force of the slitter knife for dropping and the rotation driving force of the ear winding roller for winding up the cut off ear are given. Therefore, there is no need for a unique drive motor to drive the take-up roller or slitter knife to rotate, and the belt-shaped paper material fed out by the feeding roller from the holding roller is stopped due to a trouble such as cutting. In this case, the cutting operation of the ears by the slitter knife, which is given a rotational driving force from the feeding frictional force of the belt-shaped paper material, and the winding operation of the cut ears are stopped at the same time.

[Examples] Examples will be described with reference to the drawings.

In FIGS. 1 and 2, reference numeral 10 is a holding roller for winding and holding a strip-shaped paper material 1 used as a wrapping paper,
The strip-shaped paper material 1 wound and held by the holding roller 10 is fed and fed by the feeding drive roller 12 onto the conveying surface of the conveyer 14. 3 is the band-shaped paper material (wrapping paper) 1
This is a flat product in which rectangular paper materials wrapped in a predetermined thickness are stacked.
Is conveyed from the left to a predetermined position of the strip-shaped paper material (wrapping paper) 1 that has been fed out and supplied onto the conveyance surface.

Reference numeral 20 denotes a friction roller disposed between the feeding drive roller 12 and the holding roller 10, and the friction roller 20 is moved in the arrow direction by the feeding friction force of the belt-shaped paper material 1 fed by the driving roller 12. Is given a rotational force. On the peripheral surface of the friction roller 20, several slitter knife receiving grooves 22 ... Which extend in the rotational direction are formed.
Reference numeral 30 is a slitter that cuts out both ends of the strip-shaped paper material 1 along the delivery direction so as to form the strip-shaped paper material 1 to be fed and supplied to have a predetermined size width. The slitter 30 is provided on the roll surface of the friction roller 20. Band-shaped paper material 1 that is fed out and supplied
The slitter roll 32 is rotatably pressed against the roll surface via the slitter roll 32, and the slitter knife 34 projecting from the peripheral surface of the slitter roll 32 is engaged with the slitter knife receiving grooves 22. Like the friction roller 20, the slitter roll 32 is rotated by the feeding frictional force of the belt-shaped paper material 1 fed and supplied. Reference numeral 36 denotes a support rod rotatably supported by a support shaft 37. One of the support rods 36 is rotatably attached with the slitter roll 32. The slitter roll 32 is provided on the other end of the support rod 36. The balance weight 38 is pressed against the roll surface of the friction roller 20. The cut width of the strip-shaped paper material 1 is positioned by a support rod that is movable along the support shaft 37.
The slitter roll 32 attached to 36 is moved, and the slitter knife 34 is engaged with the corresponding slitter knife receiving grooves 22 of the friction roller 20 at this moving position. Therefore, the strip-shaped paper material 1 that is fed out and supplied is the friction roller.
When passing between the slitter roll 32 and the slitter roll 32, the friction roller 20 and the slitter roll 32 are rotated in the direction of the arrow by the feeding frictional force, and the slitter roll 32 meshed with the receiving groove 22 of the friction roller 20 in accordance with this rotation. The both side edges are cut off by the slitter knife 34.

The cut-off strip-shaped selvage 2 is wound up by the selvage winding roller 40 via the guide roller. This ear winding roller 40
An insertion groove 41 for inserting and holding the start end portion of the ear is provided on the. Rotational driving force is transmitted from the friction roller 20 by the transmission belts 43 and 44 to the ear winding roller 40. A clutch 46 is provided between the transmission belts 43, 44 to control the rotation of the belt transmitted from the friction roller 20 to the edge winding roller 40. By adjusting the clutch 46, the winding rotation of the selvage winding roller 40 provided from the friction roller 20 is controlled, and the peripheral speed of the friction roller 20 and the winding diameter of the strip-shaped selvage 2 wound on the selvage winding roller 40 are increased. The peripheral speeds of the ear winding rollers 40 are the same. The clutch 46 may be adjusted manually, or the winding tension for winding the band-shaped ear 2 may be detected and the clutch may be adjusted according to the detected ear tension. The selvedge winding roller 40 is provided with a brake device so as not to reverse in the direction opposite to the arrow when the rotation is stopped.

[Effect of the Invention] Since the edge-cutting device for strip-shaped paper material of the present invention is configured as described above, it does not require a unique drive motor for rotating and driving the edge-winding roller and the slitter knife. By using the feeding frictional force of the band-shaped paper material fed from the holding roller by the feeding drive roller, the ears can be cut off by the slitter knife, and the cut-off ears can be wound up. When the belt-shaped paper material fed out by the feeding is stopped due to a trouble such as cutting, the ear cutting operation by the slitter knife that is given the rotational driving force from the feeding frictional force of the belt-shaped paper material, Moreover, since the winding operation of the cut-off ear can be stopped at the same time, there is no danger and it is economical. , Which has an excellent effect.

[Brief description of drawings]

FIG. 1 is a schematic front view of the ear cutting device of the present invention, and FIG. 2 is a schematic side view of the ear cutting device of the present invention. 1 ... Strip paper material, 2 ... Strip ears, 10 ... Holding roller, 12
…… Feeding drive roller, 20 …… Friction roller, 22 …… Slitting knife receiving groove, 30 …… Slitting machine, 32 …… Slitting roll, 34 …… Slitting knife, 40 …… Ear winding roller, 46 …… Clutch.

Claims (2)

[Scope of utility model registration request] 1. A holding roller (10) for winding and holding a band-shaped paper material (1) such as a wrapping paper, and a feeding roller (12) for feeding and feeding the band-shaped paper material wound and held by the holding roller. ), A friction roller (20) to which a rotational force is given by the feeding frictional force of the strip-shaped paper material fed out by the drive roller, and the strip-shaped paper material for forming the strip-shaped paper material fed out in a predetermined width. (30) for cutting both side ends of the strip along the feeding direction, and a selvage take-up roller (40) for winding and holding the strip-shaped selvage (2) cut by the slitter by the rotational force transmitted from the friction roller. And an edge cutting device for strip-shaped paper material, which comprises a clutch (46) capable of controlling the rotation transmitted from the friction roller to the edge winding roller. 2. The strip-shaped paper material (1) which is fed out and supplied to the roll surface of the friction roller (20) by the slitter (30).
A slitter roll (32) rotatably pressing the roll surface through is provided, and several slitter knife receiving grooves (22) formed in the peripheral surface of the slitter roll and extending in the rotational direction are formed on the peripheral surface of the friction roller. The edge-cutting device for strip-shaped paper material according to claim 1, wherein a slitter knife (34) that is engaged with