JPH075204B2 - Touch roller device for web winding machine - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a touch roller device attached to a multi-axis turret type winder for a web, and more specifically, a touch roller for contacting a full roll with winding after the start of turret rotation. The present invention relates to a roller device.

[0002]

2. Description of the Related Art Conventionally, in a web multi-axis turret type winder, at a normal winding position, a touch roller is always abutted and wound, but after the turret starts to rotate, the touch roller is abutted. Since it is impossible to hit the roller, the roller is wound without contact with the touch roller, resulting in deterioration of the roll quality such as wrinkles, web width variation, and roll end face displacement.

Therefore, in order to eliminate such a defect, a touch roller device is additionally provided in the turret board, or a touch roller device at a normal winding position (hereinafter referred to as the first roller device).
In addition to the touch roller device), a touch roller device (hereinafter, referred to as a second touch roller device) having a rotation center outside the turret board is additionally provided, and the first and second touch rollers are started after the turret starts to rotate. There has been proposed a device that uses a relay.

According to such an apparatus, even after the turning of the turret, the winding by the touch roller abutment is performed during the entire period from the change of the winding position, the cutting of the web, and the winding on the new winding core. Become.

[0005]

However, none of these conventional devices has a complicated apparatus and can cope with a wide range of roll diameters. SUMMARY OF THE INVENTION It is an object of the present invention to cope with such an actual situation, and to provide a touch roller device having a simple structure and capable of coping with a wide range of roll winding diameters as a touch roller for contacting a fully wound roll after the start of turret rotation. To do.

[0006]

That is, the feature of the present invention which meets the above object is that in a multi-axis turret type winder for winding a web, a rotation center is provided at a predetermined position outside the turret board of the winder. A main rotating arm that is rotatably provided, and an operating arm and a tip that are rotatably provided with a rotation center at each of the rotation tips of the main rotating arm.
The main rotation arm is composed of a touch roller arm having a roller, and the main rotation arm has a length equal to the radius of gyration of the center of the winding core of the turret plate and is positively rotatable in association with the turret plate rotation. The arm is a differential mechanism provided between the arm and the center of rotation of the main rotation arm,
It is possible to maintain a constant posture with respect to the winder frame.
A touch roller arm is connected to the tip of the actuating arm via a fluid pressure cylinder, and constitutes a touch roller device in a web winder in which the touch roller can be brought into contact with a full roll on a turret board. .

[0007]

According to the present invention, in the multi-axis turret type winding machine, when the predetermined winding is completed and the turret board starts to turn, the main turning arm positively turns following the turning. However, the actuating arm at the tip of the main turning arm is no matter where the main turning arm is located by the action of the differential mechanism.
Continue to maintain a certain posture.

Therefore, the touch roller arm connected to the tip of the operating arm via the fluid pressure cylinder also moves while maintaining a certain posture. Due to this fact and the fact that the length of the main turning arm is equal to the turning radius of the winding center of the turret board, the touch roller at the tip of the touch roller arm is always in contact with the full roll of the turning turret board. By doing so, it is possible to prevent wrinkles from being generated on the web when the turret board rotates.

[0009]

Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 is a side view of an essential part showing a touch roller device according to the present invention together with a biaxial turret type winder, and FIG. 2 is a plan development view of the essential part. In FIG. 1, (I) shows a normal winding position in the twin-screw turret type winder. The sheet (S) is introduced in the direction of the arrow, reaches the winding position through the first touch roller (1), and is wound around the winding core (2). In that case, the first touch roller (1) is pivotally mounted on an arm (4) having (3) as a rotation center, and a fluid pressure cylinder (not shown) forms a roll wound around the core (2). Pressed.

Further, (5) is a turret device, in which the center (6) of the turret plate is mounted on a machine frame (not shown), and is rotated about the center (6) of the turret plate by a known turret rotation drive source. Furthermore, (II) is a full roll take-out position, and when the turret device (5) is swung, the full roll (R) wound at the normal take-up position (I) is The winding core (2), which has been moved to the full roll take-out position (II) and previously mounted at the full roll take-out position (II), is moved to the normal take-up position (I). .

And (III) is a touch roller device according to the present invention. In the touch roller device (III), (7) and (7 ') are main rotating arms, the base of which is
As shown in FIG. 2, it is fixed to shafts (8) and (8 ') which are rotatably mounted on the machine casings (F) and (F'). The pivot position of the shaft (8) (8 ') to the machine frame (F) (F') is
It is preferable to be below the center of the turret board (6) and on the circle of the turning locus of the center of the winding core (5) or slightly outside thereof.

Further, chain wheels (9) and (9 ') are fixed to the shafts (8) and (8'), respectively.
(9 ') and chain wheel (11) fixed on the interlocking shaft (10)
Chains (12) and (12 ') are stretched between (11') and one end of the interlocking shaft (10) is connected to a drive source (M) via a transmission device (13). Then, the drive source (M) causes the main rotation arms (7) and (7 ') to
It can be rotated integrally.

The short shafts (14) and (14 ') are fixed to the tips of the main rotating arms (7) and (7'), respectively.
Touch roller arms (15) and (15 ') are rotatably attached to the respective short shafts (14) and (14'), and a second touch roller (15) (15 ') is provided between the touch roller arms (15) and (15'). 16) is rotatably attached to the bridge. The lengths of the main turning arms (7) and (7 ') are equal to the turning radius r of the center of the winding core of the turret device (6).

Further, the operating arms (17) and (17 ') are also rotatably and loosely fitted on the short shafts (14) and (14'), and the operating arms (17) and (17 '). The touch roller arms (15) and (15 ') are connected by fluid pressure cylinders (18) and (18'), respectively.

The operating arm (17) (1
The chain wheels (19) and (19 ') are fixed to the bases of 7'), respectively, while the chain wheels (2) and (2) are respectively attached to the shafts (8) and (8 ').
0) and (20 ') are rotatably fitted to each chain wheel (19).
Chains (21) and (21 ') are stretched between (20) and (19') (20 '). In this case, the chain wheels (19) (19 ') and the chain wheels (20) (20') have the same number of teeth, of which the chain wheels (20) (2)
0 ') is appropriately fixed to the machine frame (F) (F') to prevent its rotation.

Therefore, here, the main rotating arm (7), the chain wheel (20), the chain wheel (19) and the main rotating arm (7 '), the chain wheel (20'), the chain wheel (19 '). Each of the differential mechanisms is constituted by this, and even if the main rotary arms (7) and (7 ') rotate by this differential mechanism, the chain wheel (19)
(19 ') will not rotate. In other words, the actuating arms (17) and (17 ') always maintain the same posture despite the rotation of the main rotating arms (7) and (7').

Next, the operation of the above winding device and touch roller device (III) will be described with reference to FIGS. 1, 3, 4 and 5. First, FIG. 1 shows a state in which the predetermined winding is completed. That is, the turret device (5) is swung, the empty winding core (2) is positioned at the normal winding position (I), and the fully winding roll (R) comes to the discharging position (II) to change the position. Is shown.

At this time, the second touch roller (16) is
As will be described later in detail, the sheet (S) is pressed against the full roll (R), and in that state, the sheet (S) is wound around the full roll (R). At this time, the main rotation arm (7)
(7 ') is positioned in parallel with a line connecting the center (6) of the turret board of the turret device (5) and the center of the full roll (R).

The sheet (S ') (see FIG. 5) stretched between the winding core (2) and the full roll (R) is scooped up by a guide roller (22) of a known winding core enveloping device. As a result, as a result of the sheet (S), the core (2)
Most of the outer circumference of the envelope is enveloped. Thereafter, the sheet (S) is cut by the cutting device (23) between the winding core (2) and the guide roller (22), and the cut end is wound around the winding core (2).

After that, the winding is switched to the next winding by the core (2), the guide roller of the core enveloping device is retracted to the chain line (22 '), and the normal winding position (I) is set. The new winding by the abutment of the first touch roller (1) in (1) advances. During this period, the fully wound roll (R) is appropriately taken out of the machine by a known take-out device, and thereafter, an empty winding core for the next winding is mounted.

At this time, the touch roller device (III) is
The main rotation arm (7) (7 ') is driven by the drive unit (M).
180 from the state shown in FIG. 1 to the state shown in FIG.
Then, the fluid pressure cylinder (18) retracts the second touch roller (16 ') to the position shown by the dotted line in FIG. That is, by rotating the main rotation arms (7) and (7 ') in this way, the main rotation arms (7) and (7') are parallel to the line connecting the turret rotation center (6) and the core center. However, the lower part of the full roll (R) is open, and there is no device that interferes with the work of taking out the full roll (R). For this reason,
The full roll (R) is easily taken out.

Thus, in FIG. 3, when the winding at the normal winding position (I) progresses to reach full winding, the touch roller device (III) causes the fluid pressure cylinder (18) to move.
Thus, the second touch roller (16) is brought into contact with the full-roll roller.

Then, as shown in FIG. 4, the turret device (5) turns counterclockwise, and at the same time, the drive source (M) causes the main turning arms (7) and (7 ') to move to the turret device (5). ) Rotate counterclockwise in synchronism with the turning speed. As a result, the main pivot arm (7)
(7 ') rotates while maintaining a parallel state with respect to the line connecting the turret rotation center (6) and the winding core (2).

Further, the main rotating arm (7) (7 ')
Since the operating arms (17) and (17 ') are connected via the differential mechanism as described above, the main rotating arm (7)
At any time during the rotation of (7 '), the posture of the actuating arms (17) (17') does not change, and the length of the main rotating arms (7) (7 ') depends on the turret device ( 6)
Is equal to the radius of gyration r of the center of the winding core, and the touch roller arms (15) and (15 ') and the operating arms (17) and (1)
7 ') is connected via a fluid pressure cylinder (18) (18'), so the touch roller arm (15)
The posture of (15 ') does not change, and they both move.

Therefore, the turret device (5) shown in FIG.
The second touch roller (16) continues to contact the full roll (R) even during the turning of the sheet, and further continues until the turning of the turret device (5) shown in FIG. ) Cutting and winding around a new winding core are carried out as expected without any inconvenience.

[0026]

As described above, according to the present invention, there is provided a main turning arm having a turning center at a predetermined position outside a turret board of a winding machine, and the main turning arm is rotatably provided. It is equipped with an operating arm and a touch roller arm, each of which is rotatably provided at the pivoting end of the, as described above.When the turret board is turned, the main turning arm is rotated in synchronization with the turning of the turret board. By moving it, the actuating arm is held in a fixed posture, whereby the touch roller arm is also held in a fixed posture so that the touch roller at the tip always comes into contact with the full roll. Therefore, when the turret board is rotated, wrinkles and width fluctuations of the web roll and deviation of the roll end face do not occur, and a high quality roll is produced. In addition, when the generated full roll is removed from the winder, the main rotating arm can be rotated to create an open space below the take-out position, so that the take-out work becomes extremely easy. There are advantages.

[Brief description of drawings]

FIG. 1 is a side view of essential parts of a touch roller device in a web winding machine of the present invention.

FIG. 2 is a plan development view of a main part of the touch roller device.

FIG. 3 is an operation explanatory view of the web touch roller device of the present invention.

FIG. 4 is an operation explanatory view of the web touch roller device of the present invention.

FIG. 5 is an operation explanatory view of the web touch roller device of the present invention.

[Explanation of symbols]

 (7), (7 ') Main rotation arm (15), (15') Touch roller arm (16) Touch roller (17), (17 ') Actuating arm (18), (18') Fluid pressure cylinder

Claims (1)

[Claims] 1. A multi-axis turret type winder for winding a web, wherein a main rotation arm having a rotation center at a predetermined position outside the turret board of the winder and rotatably provided. A main operation arm provided with a rotation center having a rotation center at the rotation tip and a touch roller at the tip.
The main rotation arm has a length equal to the radius of gyration of the center of the winding core of the turret board, and is capable of positively turning in association with the turning of the turret board. Can always maintain a fixed posture with respect to the winder machine frame by a differential mechanism provided between the main rotation arm and the rotation center of the main rotation arm. A touch roller device in a web winding machine, characterized in that the touch roller can be brought into contact with a full-roll roll on a turret board by being connected to the distal end of the actuating arm via.