JPH06305615A - Cloth rolling roller replacing device for loom - Google Patents

Abstract

PURPOSE:To restrain slackening of woven cloth to the minimum when a cloth rolling roll in a fully rolled condition is delivered forward to a weaving machine. CONSTITUTION:A lift rod 12 to move slidingly in the shaft direction by an air cylinder 19 is arranged in a swing arm 11 to swing by an air cylinder 15. A holding part 13 is formed on the tip of the lift rod 12. A brake device 22 to rotation of a cloth rolling roll 1 is arranged in the holding part 13. In this way, a shaft part of the cloth rolling roll 1 is held by the holding part 13, and the cloth rolling roll 1 is moved from a winding driving part through this holding part 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cloth roll changing device for a loom.

[0002]

2. Description of the Related Art As a conventional cloth winding roll changing device for a loom, there is, for example, one disclosed in Japanese Patent Application Laid-Open No. 4-34049. In this, the winding drive unit rotates the cloth winding roll to wind the woven cloth, while the empty roll stock unit above the winding drive unit holds an empty cloth winding roll in advance. Then, when the cloth winding roll of the winding drive section reaches a predetermined cloth winding amount, the cloth winding roll is discharged to the front of the loom while the woven cloth is continuously connected, and thereafter, the empty cloth winding roll is wound from the empty roll stock portion. The woven cloth is cut between the cloth winding roll fed to the front of the loom and the empty cloth winding roll moved to the winding driving section, and the end of the cut woven cloth is wound up. Wrap it around the empty cloth roll on the drive.

[0003]

However, in such a conventional cloth-rolling roll exchanging device, when the fully-wound cloth-wrapping roll is discharged to the front of the loom, the cloth-wrapping roll is pushed to roll on the rail. However, since it is being paid out, the woven fabric connected to the cloth-wrapping roll is largely sagged at the time of this payout.

Therefore, before cutting the woven cloth, it is necessary to rotate the discharged cloth winding roll to wind up the slack of the woven cloth. However, tension is not applied to the woven cloth at the time of winding the slack. Winding is performed, and in particular, in the case of a thin and flexible woven fabric made of filament yarn, wrinkles may occur in the woven fabric. Once wrinkles occur, when the woven cloth is cut and its ends are wound on an empty cloth winding roll, wrinkles may remain and the quality of the wound woven cloth may deteriorate. .

In view of such conventional problems, an object of the present invention is to improve the quality of the woven cloth by minimizing the slack of the woven cloth when the fully wound cloth winding roll is discharged. .

[0006]

SUMMARY OF THE INVENTION Therefore, according to the present invention, a winding drive unit for rotating a winding roll to wind a woven fabric and a winding roll of the winding drive unit have a predetermined winding amount. Reaching the front of the loom when the wrapping roll is reached, and an empty roll moving device that moves the empty roll stock part from the empty roll stock part to the winding drive part after the wrapping roll is discharged. Means and the cloth winding roll delivered to the front of the loom and the empty cloth winding roll moved to the winding drive unit, and the end of the cut cloth is wound around the empty cloth winding roll. In a cloth winding roll changing device for a loom, which comprises a winding means for attaching, the cloth winding roll dispensing means is a holding portion for holding both end shafts of the cloth winding roll, and a winding driving portion for winding the cloth winding roll through the holding portion. From the moving mechanism to move from Are those that form.

Here, it is preferable that the holding portion is provided with a brake device that applies a braking force to the rotation of the cloth winding roll and that can adjust the braking force.

[0008]

In the above construction, the winding drive section is driven to rotate the cloth winding roll to wind the woven cloth, while the empty roll stock section is made to hold the empty cloth winding roll in advance. When the cloth-wrapping roll of the drive unit reaches a predetermined cloth-wrapping amount, the cloth-wrapping roll is discharged to the front of the loom while the woven cloths are continuously arranged.

At the time of this payout, the both end shafts of the cloth winding roll are held by the holding portion, and the moving mechanism of this holding portion moves the cloth winding roll from the winding drive portion, thereby preventing the slack of the woven fabric connected to the cloth winding roll. To do. Further, it is more preferable that an appropriate braking force is applied to the rotation of the cloth winding roll by the brake device of the holding portion. After that, the empty roll stock unit is moved to the winding drive unit, and the woven fabric is wound between the cloth roll discharged to the front of the loom and the empty cloth roll moved to the winding drive unit. Is cut, and the end of the cut woven cloth is wound around an empty cloth winding roll of the winding drive unit.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. Referring to FIGS. 1 and 2, bearings 2 are attached to both ends of the cloth-wrapping roll 1. The driven gear 3 is fixed to one end. The same applies to an empty cloth-wrapping roll (hereinafter referred to as "empty roll") 4.

The winding drive unit 5 of the cloth winding roll 1 in the loom
Includes a pedestal 6 that rotatably supports the bearing 2 portion of the cloth winding roll 1, and a drive gear 7 that is axially supported by the pedestal 6 and that is driven by a motor (not shown) and that meshes with the driven gear 3 of the cloth winding roll 1. The cloth winding roll 1 is rotationally driven to wind the woven cloth W pulled by the surface roller R1 and the press roller R2.

A clamper 8 for pressing the bearing 2 portion from above is provided above the pedestal 6 in order to prevent the cloth winding roll 1 from floating, and the air cylinder 9 projects and retracts the clamper 8. On the other hand, the loom is provided with a swing arm 11 capable of swinging around the fixed pin 10,
A lift rod 12 is installed in the swing arm 11 so as to be slidable in its axial direction. Further, a U-shaped holding portion 13 is formed on the upper end of the lift rod 12.

The swing arm 11 is connected to an output rod of an air cylinder 15 which is swingably attached to a fixed pin 14, and swings by turning the air cylinder 15 ON and OFF. By this swinging, the holding portion 13 is set to a position below the shaft portion of the cloth winding roll 1 of the winding drive portion 5 and a payout position to the front of the loom. Also,
In order to perform this swinging gently, the swing arm 11 is mounted on the fixing pin 16 so that it can swing freely.
Are also connected.

The lift rod 12 is connected to an output rod of an air cylinder 19 which is swingably attached to a pin 18 integral with the swing arm 11 via a dogleg 20 and a link 21. It is designed to project and retract by ON / OFF operation. A brake device 22 capable of applying a braking force to the rotation of the cloth winding roll 1 is attached to the holding portion 13. This braking device 22
Is constituted by an air cylinder, and a rubber piece 23 attached to the tip of the output rod presses the peripheral surface of the end portion of the cloth winding roll 1 by the protruding operation of the output rod to apply a braking force to the rotation of the cloth winding roll 1. It is supposed to do. Here, the braking force can be adjusted by adjusting the air pressure to the air cylinder with a regulator (not shown).

The loom is also provided with an empty roll stock section 23 above the winding drive section 5. That is, an empty roll guide 24 that guides the empty roll 4 from a position above the winding drive unit 5 to the winding drive unit 5 is provided, and an empty roll stopper 25 is provided on the inlet side of this empty roll guide 24 to A roll stock portion 23 is formed. Empty roll stopper
25 is provided so that it can swing around the fixed pin 26, and the fixed pin 27
It is connected to an output rod of an air cylinder 28 which is swingably attached to the air cylinder 28, and is swung by the ON / OFF operation of the air cylinder 28. By this swinging, the support for the empty roll 4 can be released, and the empty roll 4 can be moved to the winding drive unit 5. Also, the empty roll guide 24
A part of the opening / closing plate 30 is swingably attached to the pedestal 6 by a pin 29 so as not to hinder the payout operation of the cloth winding roll 1.
The opening / closing plate 30 is normally urged to the closed position by a spring (not shown).

The loom is also provided with a winding arm 32 capable of swinging around the fixed pin 31, and two guide bars 33 and 34 for pressing the woven cloth W are provided at the tip of the winding arm 32. ,
A rotary cutter 35 that can cross the width of the woven fabric W between the guide bars 33 and 34 is provided. Further, one of the guide bars 34 is formed hollow so as to form a supply path for pressurized air, and an injection port (not shown) for injecting air in a predetermined direction (direction of arrow A) is formed on the peripheral surface. There is. Also,
A guide bar that presses the woven cloth W even in the middle of the winding arm 32
36 is installed.

A pulley 37 is attached to the winding arm 32.
One end of the chain 38 guided by the above is connected, and the other end of the chain 38 is connected to the air cylinder 39. Therefore, the winding arm 32 is swung by the ON / OFF operation of the air cylinder 39. The loom is also provided with a wrinkle removing roller 42 which is rotatably supported by an arm 41 which is swingably attached to a fixed pin 40. The wrinkle removing roller 42 is wound around the cloth winding roll 1 by its own weight. It is adapted to come into contact with the surface of the woven cloth W.

Next, the operation will be described with reference to FIGS. During normal operation of the loom, as shown in FIG.
The woven fabric W pulled by the surface roller R1 and the press roller R2 is wound around the cloth winding roll 1 which is rotationally driven by the winding drive unit 5. Then, when the predetermined amount of cloth winding is reached, this is detected by cut mark detection or the like, and a cloth winding roll replacement command is issued.

In response to this cloth roll change command, first, as shown in FIG.
As shown in FIG. 3, the lift rod 12 is projected by the operation of the air cylinder 19, and the holding portion 13 at the tip thereof holds the shaft portion of the cloth winding roll 1. Further, the braking device 22 operates to apply an appropriate braking force to the rotation of the cloth winding roll 1 held by the holding portion 13.

Further, the operation of the air cylinder 9 causes the clamper 8 to retract. Next, as shown in FIG. 5, the swing arm 11 is swung by the operation of the air cylinder 15, and the cloth winding roll 1 held by the holding portion 13 at the end of the lift rod 12 is wiped forward of the loom while the woven cloth W is connected. put out. At this time, since the holding device 13 applies a proper braking force to the rotation of the cloth-wrapping roll 1 by the braking device 22, the woven fabric W is prevented from sagging.

While the empty roll guide 24 partially obstructs the movement of the cloth winding roll 1 at the time of paying out, the opening / closing plate 30 opens to form a passage for movement, and after the movement, the opening / closing plate 30 is removed. It returns to its original position due to the spring force. Further, the movement of the cloth winding roll 1 causes the wrinkle removing roll 42 to move downward. Slightly after the payout, the empty roll stopper 25 is retracted by the operation of the air cylinder 28, whereby the empty roll 4 starts to drop along the empty roll guide 24.

As a result, as shown in FIG. 6, the empty roll 4 is brought to the winding drive unit 5 and supported on the pedestal 6. At this time, the empty roll 4 is placed on the woven cloth W. When the empty roll 4 is supported on the pedestal 6, the clamper 8 presses the empty roll 4 by the operation of the air cylinder 9. Also,
The operation of the air cylinder 28 returns the empty roll stopper 25 to the stopper position.

Next, as shown in FIG. 7, the winding arm 32 swings through the chain 38 by the operation of the air cylinder 39. Accordingly, the two guide bars 33, 34 at the tip of the winding arm 32 have been moved to the payout position.
W between the roll and the empty roll 4 moved to the winding drive unit 5
Push up. At the time of this pushing up, since the braking device 22 exerts an appropriate braking force on the rotation of the cloth winding roll 1 in the holding portion 13 of the cloth winding roll 1, the tension of the woven cloth W can be adjusted.

Then, the rotary cutter 35 traverses between the two guide bars 33, 34 in the width direction of the woven cloth W and cuts the woven cloth W. After the cutting, air is jetted from the jet port of the guide bar 34 in the direction of arrow A, and the cut end of the woven fabric W is wound around the empty roll 4. Next, as shown in FIG. 8, the winding cylinder 32 swings and retracts due to the operation of the air cylinder 39. After that, the woven cloth W is wound by the empty roll 4 and the loom is operated. Is continued.

After this, the automatic traveling carrier 50 called by the above-mentioned cloth winding roll replacement command arrives, and this carrier
The empty roll 4 is supplied to the empty roll stock unit 23 by the 50, and the robot arm 51 holds the dispensing position.
Scoop the cloth roll 1 from 13 and carry it away. Immediately before this, the brake device 22 is released. After this, the air cylinder
The lift rod 12 is retracted by the operation of 19, and the swing arm 11 is returned by the operation of the air cylinder 15, and the state of FIG. 3 is obtained.

In the present embodiment, the holding portion 13 and the swing arm 11 and the lift rod 12 which are the moving mechanism thereof constitute a cloth-roll-roll dispensing means. The empty roll guide 24 and the empty roll stopper 25 constitute an empty roll moving means. The winding arm 32, the guide bars 33 and 34, and the rotary cutter 35 constitute a winding means.

[0027]

As described above, according to the present invention, it is possible to minimize the slack of the woven cloth when the fully wound cloth winding roll is paid out, and improve the quality of the wound woven cloth. The effect is obtained.

[Brief description of drawings]

FIG. 1 is a side view of a cloth roll changing device showing an embodiment of the present invention.

FIG. 2 is a view showing the periphery of an end of a cloth roll.

FIG. 3 is a diagram showing an operation example 1.

FIG. 4 is a diagram showing an operation example 2

FIG. 5 is a diagram showing an operation example 3;

FIG. 6 is a diagram showing an operation example 4.

FIG. 7 is a diagram showing an operation example 5.

FIG. 8 is a diagram showing an operation example 6;

[Explanation of symbols]

 1 cloth winding roll 4 empty roll 5 winding drive unit 6 cradle 7 drive gear 8 clamper 11 swing arm 12 lift rod 13 holding unit 22 brake device 23 empty roll stock unit 24 empty roll guide 25 empty roll stopper 32 winding arm 33, 34 Guide bar 35 Rotating cutter 42 Wrinkle removing roller

Claims (2)

[Claims] 1. A take-up drive unit for rotating a take-up roll to take up a woven fabric, and a take-up roll for turning up the take-up roll when the take-up roll of the take-up drive unit reaches a predetermined take-up amount. A cloth-roll-roll-discharging means that discharges the cloth-wrap roll to the front of the loom while continuing, and an empty-roll moving means that moves the empty cloth-stock roll from the empty-roll stock part to the winding drive part after the cloth-wrap roll is discharged.
Wrapping between the cloth winding roll delivered to the front of the loom and the empty cloth winding roll moved to the winding drive unit, and winding the end of the cut cloth on the empty cloth winding roll In a cloth-roll-roll changing device for a loom, comprising: a means for holding the cloth-wrap roll discharging means for holding both end shaft portions of the cloth-wrap roll, and moving the cloth-wrap roll from the winding drive portion via the holder. A cloth winding roll changing device for a loom, which is configured by a moving mechanism. 2. The cloth roll changing device for a loom according to claim 1, wherein the holding portion is provided with a brake device for applying a braking force to the rotation of the cloth winding roll and adjusting the braking force. .