JPH0116795Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) This invention has a spreading function that corrects wrinkles and shrinkage that occur in the running fabric, and a spreading function that corrects the wrinkles and shrinkage that occur in the running fabric, and The present invention relates to a spreading/guiding device for a traveling fabric, which has a guiding function of guiding a cloth toward its center of travel, and is used in the industrial field of manufacturing technology for this type of spreading/guiding device.

(Prior art) When fabric is run from one side to the other and dyed or other treatments are performed during that time, the fabric is moved in the left and right directions perpendicular to the running direction in order to remove wrinkles, etc. that have occurred on the fabric. In order to properly run the spread fabric, it is necessary to guide the fabric to the running center position when the fabric is deviated in the left-right direction.

By the way, as for the above-mentioned spreading device, for example, a screw roll having screw grooves formed with left and right directions opposite to each other from the running center position of the fabric is brought into sliding contact with the running fabric, and the screw roll is moved in the running direction of the running fabric. It is known that the running fabric is rotated in the opposite direction to spread the running fabric from its center in the left and right directions.

Further, as the above-mentioned guide device, for example,
A running fabric is passed between a pair of steering rolls whose swing can be adjusted in the left and right directions while being in sliding contact with each other, and when the running fabric deviates to either the left or right, the entire steering wheel is A device is known that is configured to correct the deviation by swinging the fabric in a direction in which the fabric is returned to its running center position.

The above-mentioned cloth spreading device and guide device are preferably arranged so as to spread the running fabric and immediately run the spread fabric along the running center. In order to avoid this problem, both devices are actually installed separately at relatively separate positions.

That is, the spreading action on the running fabric is performed by a screw roll that is forcibly rotated in the opposite direction to the running direction while slidingly contacting the fabric, but the fabric is not engaged with the thread groove of the screw roll. Since the fabric is spread sequentially in the horizontal and horizontal directions along the rotation of the screw groove, when such a spreading action is performed, the running fabric easily slips in the horizontal and horizontal directions. I am in a state where I am unable to do so. However, when the traveling fabric subjected to such a spreading effect is deviated, and if the steering roll is swung to guide the traveling fabric toward the traveling center position, the direction of travel of the traveling fabric is The spreading device (screw roll) provided in the orthogonal direction is fixedly installed, and the guide device (steering roll) swings from a position perpendicular to the traveling direction to a required tilt angle position; Furthermore, the running fabric that comes into sliding contact with both devices is difficult to slip in the left and right directions due to the above-mentioned required engagement and sliding contact state. There are disadvantages such as wrinkles occurring again between the two devices due to the swing, or damage to the tension side edge portion of the running fabric. For this reason, in the past, the occurrence of the above-mentioned adverse effects between the two devices has been reduced by increasing the distance between the two devices. Because a wide range of work space is required for the installation, and because it is practically impossible to arrange both devices close to each other, troublesome setting work such as centering the two devices is required. However, there are problems in that both devices become larger.

(Problems to be solved by the invention) This invention aims at downsizing by arranging the spreading device for the running fabric and its guide device in close proximity to each other, and
The purpose is to reliably eliminate the various problems with conventional devices as described above by reliably preventing wrinkles from occurring in the fabric that runs between the two devices that are placed close to each other. It is.

(Means for solving the problem) The running fabric spreading/guiding device according to the present invention has the following features:
The guide device is composed of a spreading device for the running fabric and a guide device thereof, and the guide device includes a pair of rotatably mounted steering rolls, and a left and right switch that swings the steering rolls in the left and right directions with respect to the running direction of the running fabric. The spreading device also includes a required number of screw rolls for spreading the cloth arranged in parallel with the steering roll, and a swing mechanism that rotates the screw rolls in a direction opposite to the running direction of the running fabric. and a reverse rotation mechanism, and the spreading device is further characterized in that it is arranged integrally on a swing base of the steering roll in the guide device.

(Function) In the configuration of the present invention, when the steering roll in the guide device swings, the screw roll in the spreader also swings at the same time, so the distance between the two devices (both rolls) remains unchanged. This effectively prevents slack or tension from occurring in the fabric running within the interval.

(Example) Next, the present invention will be explained based on embodiment figures.

FIG. 1 shows a fabric A that runs in the vertical direction, and a running fabric spreading/guiding device B that includes a spreading device 1 and a guide device 2 for the fabric. It is arranged at a position close to the front surface of the traveling fabric A via the mounting board 3.

The guide device 2 also includes a pair of upper and lower steering rolls 4, 4 that are rotatably mounted on shafts, and a left-right swing mechanism 5 that swings the rolls 4, 4 in the left-right direction with respect to the running direction _A1 of the running fabric A. It is composed of. However, the swing mechanism 5 includes a pair of rail members 5 ₁ and 5 ₁ that are inclined at a required angle of inclination at both left and right end positions of the board 3.
and a screw shaft 5 mounted on one side of the rail member (the right end in the figure).
₂ , and a motor 5 that rotates the shaft ₅₂ in both forward and reverse directions.
_3. A transmission pulley ₅₄ , a transmission belt ₅₅ , a sliding nut member ₅₆ screwed to the shaft ₅₂ in a non-rotating state, and a shaft on the other side of the rail member (the left end in the example). The guide shaft 5 ₇ equipped with
and a sliding member ₅₈ fitted to the shaft ₅₇ , and the pair of steering rolls 4, 4 have their left and right shaft ends ₄₁ , ₄₁ aligned with the above-mentioned left and right shaft ends 41, 41. Sliding nut member 5 ₆ and sliding member 5 ₈
The motors 5 3 and 3 are mounted parallel to each other with a required vertical spacing between the swing tables 7 and 7, which are provided on the upper surface of the swing tables 7 and 7 so as to be rotatable in the vertical direction about pivots 6 _{and 6} as fulcrums. When the screw shaft ₅₂ is rotated forward and backward, the nut member ₅₆ screwed onto the shaft slides forward or backward in the axial direction of the shaft ₅₂ , and the nut member Along with the above-mentioned sliding movement of the guide shafts _5-6 , the sliding members _5-8 fitted on the guide shafts _5-7 move in the axial direction of the guide shafts 5-7 via the left and right swing tables 7, 7 and the steering rolls 4, ₄ . It will be slid backwards or forwards. That is, the above-mentioned steering rolls 4, 4 are swung in the left-right direction by the sliding movement of both the above-mentioned sliding members 5 ₆ , 5 ₈ .

The spreading device 1 also includes a pair of upper and lower screw rolls 8, 8 disposed parallel to the steering rolls 4, 4, and a pair of screw rolls 8, 8 disposed in parallel with the steering rolls 4, 4, and a pair of screw rolls 8, 8 disposed in parallel with the steering rolls 4, 4, and a pair of screw rolls 8, 8 disposed in parallel with the steering rolls 4, 4, and a pair of screw rolls 8, 8 disposed in parallel with the steering rolls 4, 4, and a pair of screw rolls 8, 8 disposed in parallel with the steering rolls 4, 4, and a pair of screw rolls 8, 8 disposed in parallel with the steering rolls 4 _{, 4} ; It is comprised of a reverse rotation mechanism 9 that rotates in the direction of the arrow shown in FIG. 2. The screw rolls 8, 8 are formed with thread grooves 8a, 8b which are oriented in left and right directions opposite to each other from their axial center positions. The left and right shaft ends 8 ₁ , 8 ₁ are parallel to the left and right support arms 10 , 10 fixed to the upper portions of the left and right swing tables 7 , 7 of the guide device, respectively, with a required vertical spacing therebetween. The reverse rotation mechanism 9 of both screw rolls 8, 8 is equipped with a motor ₉₁ for rotating the screw rolls, and the rotational force of the motor is transferred to both screw rolls 8, 8. Transmission member 9 consisting of a power transmission gear etc. for transmitting power in the opposite direction (direction of the arrow) as described above.
₂ , 9 ₂ .

In addition, in the figure, the reference numeral 11 is a sensor for detecting the edge _A2 of the running fabric A, which is arranged on the substrate 3 side.
They are arranged at one end of the left or right side of the substrate 3 or at both the left and right ends thereof.

Further, the position detection signal of the edge A ₂ by the sensor 11 is provided so that the motor 5 ₃ in the swing mechanism of the guide device described above can be rotated forward or reverse via an automatic control mechanism (not shown). It is being

Next, in the above configuration, the spreading and guiding action of the traveling fabric A will be explained.

First, as shown in FIGS. 1 and 2, the fabric A is passed between the upper screw rolls 8, 8,
Next, the fabric is attached to both lower steering rolls 4,
4, and in this state, each roll 8, 4 is applied to fabric A.
be brought into sliding contact with each other. Next, when the fabric is run (rolled up) downward _A1 and both screw rolls 8, 8 are rotated in the opposite direction (indicated by the arrow), the running fabric It is spread in the left and right lateral directions by the forcible reverse rotation action of the screw grooves 8a and 8b of the euro rolls 8 and 8, which are oriented in opposite left and right directions, and then the running fabric A spread out by this spreading action. travels downward through between both steering rolls 4, 4 located close to each other at the lower position.

For example, if the traveling fabric A deviates to the right as shown in FIG. The motor ₅₃ in the mechanism 5 is rotated in a required direction to slide the sliding nut member ₅₆ in the mechanism 5 toward the running center (Y-Y) line of the running fabric A. Therefore, at this time,
As shown in the figure, the steering rolls 4, 4 and the screw rolls ₈ , 8 move leftward ( (swing) to guide the eccentric running fabric to the proper running position. However, in the deviation correcting action for the running fabric A, the spreading action of the running fabric A by the spreading device 1 is performed separately and independently; however, the screw roll 8 in the spreading device 1 and the steering roll in the guide device 2 Since the parallel distance between the two rolls 8 and 4 remains unchanged, the running state of the running fabric A between the two rolls 8 and 4 is constant even when the fabric is deflected, and therefore, within the distance, the running state of the running fabric A is constant. This can prevent wrinkles from forming due to tension, loosening, etc. The guiding action of both steering rolls 4, 4 on the running fabric A is automatically continued by the left and right swings of the steering rolls based on the detection and control signals from the sensor 11. As shown in the figure, after the running fabric A has returned to its proper running state, the rotation of the motor ₅₃ is stopped, thereby ending the guiding action.

(Effect of the invention) According to the configuration of the invention, when guiding the spread running fabric toward the running center position, it is possible to ensure that wrinkles etc. do not occur again in the running fabric between the spreading device and the guide device. In addition, it is possible to reliably eliminate disadvantages such as damage to the tension side edge portion of the running fabric, which occurs in conventional devices, when the running fabric is guided.

In addition, since the above-mentioned disadvantages do not occur between the spreader and the guide device, the entirety of the two devices can be placed close together and downsized.
In addition to reducing the work space, it is possible to integrate both devices in close proximity without impairing the spreading and guiding functions of both devices. This has excellent practical effects, such as being able to omit setting work such as centering the two devices, making them easier to handle.

[Brief explanation of drawings]

The figures show an embodiment of the present invention; FIG. 1 is a partially cutaway front view showing a running fabric set in the device of the present invention; FIG. 2 is a partially cutaway side view showing the main parts; FIG. 3 is an explanatory diagram of the guiding action. A... Running fabric, A ₁ ... Traveling direction, B... Fabric spreading/guide device, 1... Spreading device, 2... Guide device, 4... Steering roll, 5... Swing mechanism, 7... Swing base , 8...screw roll for spreading the cloth, 9...reverse rotation mechanism.

Claims (1)

[Scope of utility model registration request] The guide device is composed of a spreading device for the running fabric and a guide device thereof, and the guide device includes a pair of rotatably mounted steering rolls, and a left and right switch that swings the steering rolls in the left and right directions with respect to the running direction of the running fabric. The spreading device also includes a required number of screw rolls for spreading the cloth arranged in parallel with the steering roll, and a swing mechanism that rotates the screw rolls in a direction opposite to the running direction of the running fabric. A traveling fabric spreading/guiding device comprising a reverse rotation mechanism, and further characterized in that the spreading device is integrally arranged on a swing base of a steering roll in the guide device.