JPS6353098B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a take-up roll kick-off/core loading device in a winder that winds a strip of paper, plastic, or the like onto a core.

<Prior art> This type of winder has a configuration as shown in _FIG . Guided between drums 50 and 51,
On these drums 50, 51, the material is wound around the outer periphery of the core C to a predetermined diameter while being pressed by the rider roll 52 to form a take-up roll _R2 .

When the winding is completed in this way, the roll _R2 is separated from the succeeding paper S, and the drums 50, 51
Extrusion from above to the unloading side, carrying of the core onto the drums 50, 51, etc. are performed.

Conventionally, an ejector 54 that is oscillated by a fluid pressure cylinder 53 is provided close to the take-up roll R ₂ on the unwinding roll side, and a core loading device that can rotate around the front drum 51 by a fluid pressure cylinder 55 is provided. 56 is attached to the front drum 51, and when winding is completed, the ejector 54 removes the winding roll _R2 from the unloading table 57.
After pushing out the paper S, the core carrying device 56 is turned to the ejector side, and the core C is carried in while the paper S is cut by the cutting machine 58.

Although such a conventional ejector and core loading device installed separately is functionally sufficient, there has been a desire for a device that has a simpler mechanism and can efficiently kick out rolls and load cores.

<Purpose of the Invention> This invention was proposed in view of these demands, and its purpose is to integrate the roll kicking mechanism and the core loading mechanism, so that the mechanism is simple and the work is efficient. The purpose of the present invention is to provide a roll kicking-out/core loading device that achieves the desired results.

<Structure of the Invention> The roll kicking/core loading device according to the present invention is supported so as to be able to rotate around the support drum with the axis of the support drum on the unwinding roll side as the rotation center, and A kicking roll capable of kicking out the take-up roll to the unloading side; a core supported on the upper part of the kicking roll, and supported so as to be able to rotate around the kicking roll with the axis of the kicking roll as a turning center; The roll is equipped with a core receiver that allows the core to be carried onto a pair of support drums, so that the roll can be kicked out and the core can be carried in with one device.

<Example> The present invention will be described below based on an illustrative example. To outline the winder of this embodiment, as shown in Fig. 2, the paper S rewound from the unwinding roll R1 passes through the guide roll ₁ and is slit by the slitter 2 to determine its width.
It is guided between the rear drum 3 and the front drum 4, and is wound around the outer periphery of the core C to a predetermined diameter while being pressed by the rider roll 5 on the drums 3 and 4 to form a take-up roll _R2 .

After the roll R ₂ that has been completely wound is separated from the following paper S by the cutting device 6, it is kicked out from above the drums 3 and 4 to the cradle 7 by the device 8 according to the present invention, and is then used for the next winding. Core C will be carried in for this purpose.

The device 8 according to the present invention is arranged on the rear drum 3 side like the cutting device 6, and includes a kicking roll 9 that can kick out the winding roll R ₂ towards the cradle 7, and a kicking roll 9 that can kick the core C between the pair of drums 3 and 4. It is equipped with a core receiver 10 that can be carried into the top.

As shown in FIG. 3, the kicking roll 9 is supported by an arm 12 attached to a bearing housing 11 of the rear drum 3 so as to be able to rotate around the drum 3 with the axis O ₁ of the rear drum 3 as the rotation center. , the hydraulic cylinder 13 can move forward and backward from position L ₀ to L ₁ .

A support arm 6A to which the cutting device 6 is attached is attached to the base of the arm 12, and the support arm 6A is attached to the drum 3 together with the arm 12.
The cylinder 6B is supported so as to be able to rotate around the arm 12, and is rotated relative to the arm 12 by the expansion and contraction of a cylinder 6B attached to the arm 12.

The core support 10 supports the core C at the upper part of the kicking roll 9, and is supported by a support bracket 14 so as to be able to rotate around the roll 9 about the axis _O2 of the kicking roll 9. Furthermore, this core receiver 10 is able to freely pivot forward and backward within a range from a fixed position _l0 relative to the kicking roll 9 to a position _l1 on the unwinding roll side (direction A),
Moreover, the fixed position l ₀ is maintained by the turning drive mechanism 15, which will be described later.
It can be rotated from to position _l2 on the unloading side (direction B).

As shown in FIG. 4, the swing drive mechanism 15 is built into the kicking roll 9, and includes a pneumatic cylinder 16,
It has a camshaft 17 and a camshaft outer cylinder 18.

Bearing end portions 18a are integrally provided at both ends of the camshaft outer cylinder 18, and the bearing end portions 18a are fixed (rotation-stopped) to the tip of the arm 12, and are attached to the kicking roll 9 and the core receiver 10. A support bracket 14 is rotatably mounted via bearings 19 and 20.

The pneumatic cylinder 16 is fixed to the outer cylinder 18 via a cylinder support 21 at approximately the center thereof. The camshaft 17 has a base end 17a and a protruding shaft 17b.
It is rotatably supported by a spring receiver 22 and a bearing 23.

The camshaft base end 17a is hollow, and the tip of the piston rod 16a of the pneumatic cylinder 16 is connected to it, converting the linear drive of the pneumatic cylinder 16 into a rotational movement in the direction of FIG. It is a part that can be freely rotated in any direction. Further, the tip of the free shaft 17B is integrally connected to the support bracket 14 of the core receiver 10 via a drive arm 24, and the drive arm 24 allows the rotation of the camshaft 17 in the direction B in FIG. is transmitted to pivot the bridge 10 together with its support bracket 14 in the direction of FIG. 4B, and
The rotation of the core receiver 10 in the A direction is transmitted to the camshaft 1.
7 in direction A.

Such rotation in directions A and B shown in FIG. 4 is caused by the rotation of the rollers 26 and 27 of the roller receiver 25 attached to the tip of the piston rod 16a, the spiral groove 28 provided at the base end of the camshaft 17a, and Notch groove 29 and straight groove 3 provided in outer cylinder 18
0. First, the roller 27 rolls in a straight groove 30 and serves as a guide for the roller 26 while preventing rotation of the rod 16a.

The roller 26 rolls within the spiral groove 28, thereby causing the camshaft 17 to rotate in the B direction. Here, this rotation angle is set to about 120°.

The notch groove 29 is formed at the end of the camshaft base end 17a, and as shown in FIGS. 5 and 6,
A predetermined length is cut out from the starting end of the spiral groove 28 in the circumferential direction (direction B), and the camshaft 17 can freely rotate about 90 degrees in the direction A at the stroke end on the head side of the pneumatic cylinder 16.

Furthermore, the spring bearing 22 has one end that is connected to the bearing end 18 .
A torsion coil spring 31 fixed to a is connected to bias the camshaft 17 in the direction B in FIGS. After being rotated in the direction A in FIGS. 4 and 5 due to an external force (take-up roll R ₂ ), it is automatically returned to its original position when the external force is removed (see FIG. 8).

Therefore, the spring bearing 22 is provided with an inner groove 32 and an outer groove 33 as shown in FIG.
35 is attached, so that the camshaft 17
It can rotate in the B direction independently from the spring bearing 22, and the rotation of the camshaft 17 in the A direction and the spring 31
During the return rotation in the B direction, the camshaft 17 and the spring bearing 22 can rotate integrally.

Next, the core receiver 10 has support brackets 14 at both ends as shown in FIGS.
0a and a core holding plate 10b which is opened and closed by a pneumatic cylinder 37, and has a U-shaped cross section with an open top.

Furthermore, a plurality of soft rolls 38 such as nylon rolls are attached to the substrate 10a at intervals in the width direction (see FIG. 10), and air nozzles 39 are installed below the rolls 38 over the entire width. installed.

In the above configuration, the following operations are performed. (Refer to Figure 11) (i) Winding completed Rider roll 5 is placed on top of winding roll R ₂ .
The core C is clamped at the end in the roll width direction by a locking device 40.

From this state, the rider roll 5 is raised, and the locking device 40 is unclamped and then raised. Furthermore, the core C for the next winding, which had been inserted in advance into the core receiver 10, is placed on the core holding plate 1.
Hold by closing 0b.

(ii) Advancement of the device 8 The hydraulic cylinder 13 is activated to advance the kick-out roll 9 to the paper cutting position and push out the take-up roll _R2 . Here, the soft roll 38 first contacts the take-up roll R ₂ , and when the kick-off roll 9 further advances, the core receiver 10 contacts the take-up roll R _{2 .}
is pushed through the soft roll 38, the core receiver 10 turns in the A direction, and the internal camshaft 17 rotates in the A direction. At this time, camshaft 1
7 also rotates the spring receiver 22 via the key 34, and the torsional energy is stored in the torsion coil spring 31.

(iii) Paper cutting The paper S is cut by the cutting device 6. At this time, the paper S is
is retained.

(iv) Advancement of device 8 The kick-off roll 9 is further advanced and the take-up roll R ₂ is transferred to the cradle 7. At this time, the core receiver 10 further rotates in the A direction, and the camshaft 17 also rotates further.

(v) Unloading of the winding roll R ₂ As the winding roll R ₂ is unloaded, the winding roll R ₂ moves away from the kicking roll 9 and the soft roll 38. At this time, core receiver 10
is returned to its original position l ₀ by the energy stored in the spring 31. Then, air is blown out from the air nozzle 39 to push the paper edge _S1 that had fallen toward the front drum 4 side toward the rear drum 3 side.

(vi) Carrying in the core Activate the pneumatic cylinder 16 and transport the core into the core receiver 10.
If the core C is rotated in the direction B, the core C will move toward the drum 3,
Located between 4. When the pneumatic cylinder 16 reaches the stroke end, the pneumatic cylinder 37 is activated, the core holding plate 10b is opened, the core C is separated from the core receiver 10, and is automatically carried onto the drums 3 and 4.

(v) Returning the device 8 The operation is completed by extending the hydraulic cylinder 13, rotating the kicking roll 9 and the core receiver 10 in the A direction, and returning the device 8 to its original position.

<Effects of the Invention> Since the device according to the present invention has the above-described configuration, it has the following effects.

Since the roll kicking mechanism and the core loading mechanism are combined into one device, the structure is simple and does not take up much space.

Roll kicking and core loading can be performed almost simultaneously, improving efficiency and shortening the time schedule.

Since the core receiver is mounted near the kick-off roll and can be pivoted back and forth in the circumferential direction of the kick-off roll, the moving distance when carrying in the core can be made smaller than before, and the driving source of the core receiver can be It can be made smaller and lighter.

[Brief explanation of drawings]

FIG. 1 is a schematic diagram showing a conventional device, FIG. 2 is a schematic diagram showing a device according to the present invention, and FIG.
Figure 4 shows a front view, a longitudinal sectional view, and a
The figure is a partially exploded view of Figure 4, and Figures 6, 7, and 8 are lines XI-XI, XII-XII, and - of Figure 4, respectively.
9 is a sectional view showing the core receiver, FIG. 10 is a side view of FIG. 3, and FIG. 11 is a schematic diagram showing the operating state of the device. R ₁ ... Rewinding roll, R ₂ ... Winding roll, S
...Paper, C...Core, 1...Guide roll, 2...
... Slitter, 3 ... Rear drum, 4 ... Front drum, 5 ... Rider roll, 6 ... Cutting device, 7 ... Cradle, 8 ... This device, 9 ... Kicking roll, 10 ... Core receiver, DESCRIPTION OF SYMBOLS 11...Bearing housing, 12...Arm, 13...Hydraulic cylinder, 14...Support bracket, 15...Swivel drive mechanism, 16...Pneumatic cylinder, 17...Camshaft, 17a...Base end, 17b...Protruding shaft, 18
...Camshaft outer cylinder, 18a...Bearing end, 19,2
0... Bearing, 21... Cylinder support, 22... Spring bearing, 23... Bearing, 24... Drive arm, 25
...Roller holder, 26, 27...Roller, 28...
...Spiral groove, 29...Notch groove, 30...Straight groove,
31...Torsion coil spring, 32...Inner groove, 3
3... Outer groove, 34, 35... Key, 36... Kicking roll cover, 37... Pneumatic cylinder, 3
8... Soft roll, 39... Air nozzle, 40
... Locking device, 41 ... Paper pressing device.

Claims (1)

[Claims] 1. After winding the strip rewound from the unwinding roll around a core on a pair of support drums to form a take-up roll, the take-up roll is kicked out toward the unloading side. In the winder, the kick-out roll is supported so as to be able to rotate around the support drum about the axis of the support drum on the unwinding roll side, and is capable of kicking out the take-up roll on the pair of support drums to the unloading side. , a core support that supports the core at the upper part of the kicking roll, is supported so as to be able to rotate around the kicking roll with the axis of the kicking roll as a rotation center, and is capable of carrying the core onto a pair of support drums. A roll kicking/core loading device for a winder. 2. The core receiver is capable of pivoting forward and backward within a certain range from a fixed position relative to the kicking roll toward the rewinding roll, and is also pivotable from the fixed position toward the unloading side by a swing drive mechanism. A winder roll kicking/core loading device according to claim 1. 3. The swing drive mechanism is built in the kicking roll, and includes a fluid pressure cylinder, the base end is connected to the fluid pressure cylinder, and the tip end is connected to the core receiver. 3. The roll kicking/core loading device for a winder according to claim 2, further comprising a camshaft which can be converted into a camshaft and is rotatable in other directions.