JPH0352769Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial field of application) The invention is based on the invention, in which a roll-shaped fabric is placed on a horizontally installed workbench and is placed on the main body of a spreading machine that can run in the longitudinal direction of the workbench. This invention relates to an improvement in a spreading machine in which the fabric is fed out by a feeding roller, cut into required lengths by a cutting device, and stacked and spread on the workbench. This invention relates to a device for preventing wrinkles and improving the alignment of edges.

(Prior art) As described above, the roll-shaped fabric is fed out from the main body of the fabric spreading machine, cut into required fabric lengths by a cutting device, stacked on a workbench, and spread. Publication No. 119550 of 1982 and Japanese Unexamined Patent Publication No. 1983-
There is one described in Publication No. 139971.

When performing unidirectional spreading using such a spreading machine, a certain length of fabric is drawn out from the main body of the spreading machine while the machine is stopped, and the fabric is allowed to hang loosely over the workbench. After holding and fixing the fabric with the machine, the main body of the fabric spreading machine is run, and at the same time, the fabric is fed out at a speed corresponding to the running speed of the fabric spreading machine body and spread on the workbench, and when it has been fed out to the required length, it is unrolled. The running of the machine body and the feeding of the fabric are stopped, and the cutting device cuts the fabric. Then, the spreading machine is returned to its original position, the fabric is fed out a certain length, and is dropped onto the fabric that is being spread on the workbench, and the same operation is repeated thereafter.

(Problem to be solved by the invention) In the spreading work using the conventional spreading machine as described above, when the leading end of the fabric is suspended on the workbench or onto the fabric that has already been spread at the beginning of one cycle, The tip of the fabric is wrinkled and twisted, and when cutting the rolled fabric near the end of one cycle with a cutting device, the cutting position is on the top of the workbench or on the surface of the already rolled fabric due to the cutter mounting position. It is located at a certain distance upward from the upper surface of the cloth that has been cut, and since cutting is usually done from one end in the width direction of the cloth gradually to the other end, the cut side edge of the cloth is As soon as it was separated from the fabric on the roll side, it was thrown off.
This causes twisting and wrinkles. Due to the occurrence of such twists and wrinkles, the edges of the fabric become uneven.

In this way, with conventional fabric spreading machines, it is necessary to provide a catcher, and the edges of the fabric are wrinkled or twisted during each cycle of the fabric spreading operation, whether in one direction or in the case of folded fabric spreading. occurs,
Since the edges are uneven, it is necessary to manually smooth out wrinkles and realign the edges each time, making it difficult to perform the spreading work completely automatically and unmanned.

This idea was made in view of the above circumstances.
The purpose of the present invention is to provide a sorting device that can remove wrinkles and twists that occur at the ends of rolled cloth, improve the alignment of the ends, and enable complete automation of the rolling work. It is said that

(Means for Solving the Problems) A sorting device of the present invention capable of achieving the above object is attached to the main body of the fabric spreading machine, and is installed horizontally on both sides of the feeding position where the fabric is fed onto the workbench. two movable members arranged in the guide member, two movable members reciprocally movable along the guide member, and two movable members installed between the two movable members and reciprocating back and forth in the spreading direction across the feeding position. It consists of a cutting rod for separating the ends of the cloth, and a reciprocating drive means for reciprocating the movable member.

(Example) The present invention will be described below based on an example with reference to the drawings.

FIG. 1 is a schematic diagram of a spreader, in which a main body 2 of the spreader runs in the left-right direction in FIG. 1 on a workbench 1 installed horizontally. Spreading machine body 2
The system includes wheels 3 for running, an unraveling roller 4 for unraveling the roll-shaped fabric C, a feeding roller 5 for feeding out the fabric C vertically downward, and a conveyor connected to rotate in synchronization with the feeding roller 5. 6, and an elevating unit 7 which is attached to be movable up and down between the side plates 2a on both sides of the main body 2 of the spreading machine.

The wheels 3, the unraveling roller 4, and the feeding roller 5
is controlled and driven by a pulse motor, DC servo motor, etc. so that its rotational speed and number of revolutions are closely related to each other. The structure and operation of this part, except for the operation at the starting end of the spreading, are similar to those of the above-mentioned Japanese Patent Application Laid-Open No. 1983-1999.
Since this is a publicly known method as described in Japanese Patent No. 139971, detailed explanation will be omitted.

In FIGS. 2 and 3, the lifting unit 7 can be moved up and down along a vertical guide rail 2b provided on the side plate 2a, and is driven up and down by a motor (not shown). The lifting unit 7 is provided with guide plates 8a and 8b that guide the cloth C fed out by the feeding roller 5 so that it hangs directly downward. A pressing rod 10 that can be moved horizontally along the guide groove 9 is attached to press against the guide plate 8a, and this pressing rod 10 is urged in a direction away from the guide plate 8a by a spring (not shown). The guide plate 8a is forcibly pressed against the guide plate 8a by a cam plate 12 which is rotationally driven by a motor 11. A cutter unit 13, which is a cutting device, is provided outside the guide plate 8a and has a cutter 13a for cutting the cloth C in the width direction at a required length. A sorting device 14 for sorting the ends of the cloth C is provided at the lower end of the lifting unit 7.

The sorting device 14 has almost the same structure as that shown in FIGS. 2 and 3 and is attached to the opposite side plate 2a, and includes a guide member having a large number of guide rollers 15a arranged horizontally. 15
and a movable member 16 that is in sliding contact with the upper end of the outer circumferential surface of the guide roller 15a and is movable back and forth along the guide member 15; A reciprocating drive that reciprocates the movable member 16 via a handling rod 17 that is held in place and reciprocated in the front-rear direction (horizontal direction in FIG. 3) and a gear 18 that meshes with a rack 16a provided on the upper surface of the movable member 16. The driving force of the gear motor 19 is also transmitted to the opposite gear (not shown) via the rotating shaft 18a of the gear 18 to drive the movable member 16, and eventually, The handling rod 17 is supported and driven at both ends thereof.

Due to the reciprocating drive of the movable member 16, the handling rod 17 is moved to the feeding position P where the cloth C is fed out downward.
It is designed to sandwich the cloth C and make reciprocating movements back and forth to the left and right in the direction of the cloth C, thereby handling the drooping ends of the cloth C. For example, as shown by the solid line in Figure 4,
From the state in which the fed out cloth hangs down with wrinkles and folds on the already spread cloth C1 on the workbench 1, the movable member 16 moves from the left end indicated by the solid line in the figure to the right end indicated by the imaginary line. In particular, the handling rod 17 passes by scooping up the lower surface of the end of the cloth C, and the cloth C is divided in the direction in which the handling rod 17 moves as shown by the imaginary line, leaving it in a natural state with no wrinkles. become.

Therefore, if the stopping position of the fabric spreading machine main body 2 on the workbench 1 and the rotation speed of the feeding roller 5 are controlled to keep the feeding length of the fabric C constant,
The edges of the starting end of the rolled fabric C1 can be aligned. In this case, in order to keep the length of the feed by the feed roller 5 at the end constant, or to adjust it to the length that will allow the best separation and alignment, the motor that drives the feed roller 5 may be adjusted by a timer. It is only necessary to operate the motor for a specified period of time, or to control the total number of revolutions.

Now, how the operation of this spreader is controlled will be explained next.

FIG. 5 is a flowchart showing the outline of the operation when performing unidirectional spreading with a spreading machine, in which the main body refers to the spreading machine main body 2, and the direction is shown in FIG. 1. The left direction in these figures is the forward direction, and the right direction is the backward direction.
To add a little explanation to this flowchart, first, while the main body is stopped at the stop end of the traveling section (here, the retreat end), the cloth C is fed out by the rotation of the feeding roller 5, and then Therefore, the cloth C is in the state shown in FIG. Next, the handling rod 17 moves to the right and handles the cloth C, resulting in the state shown by the imaginary line in the figure. After that, the fabric spreading machine main body 2 moves forward and feeds out the fabric C to spread the fabric.
When starting and stopping running, running is performed at low speed to prevent wrinkles from forming on the rolled fabric and to reduce shock. At the forward end, the cutter unit 1
By the operation 3, the cloth C is cut in the width direction, whereby the cloth is rolled to a fixed length and at a fixed position in the rolling direction. Thereafter, the handling rod 17 moves to the left and returns, and the spreader main body 2 moves backward and returns to the stop position at the backward end. This completes one cycle, and this is repeated to spread the required number of sheets.

When the main body 2 of the fabric spreading machine moves forward and spreads the fabric, the fabric may be blown by the wind depending on its running speed and the material of the fabric. It is possible to spread the cloth even more smoothly by lightly touching the cloth and acting as a guide. Note that the movement width of the handling rod 17 can be arbitrarily set by providing an adjustable limit switch or the like.

As mentioned above, by using the handling rod 17 to sort the fabric at the starting end of the fabric, there are almost no wrinkles in the fabric, and the edges are evenly aligned to within 1 centimeter. A satisfactory result of error was obtained. The above flowchart is for unidirectional spreading, but
In addition, it can be applied to unidirectional middle-face spreading and folded spreading. Especially in folded spreading,
Conventionally, when cutting is performed using the cutter unit 13 at the folded portion, the edges of the rolled fabric cannot be aligned at all due to the lack of this sorting device 14, and folds and wrinkles occur, making it impractical. By providing the sorting device 14 of the embodiment described above, it has become possible to double-cut and spread the fabric while cutting at the folded portion. FIG. 6 is a flowchart showing an example of its operation.

In the above-described embodiment, the cutting rod 17 has a round pipe shape, but it may also have a square pipe shape, a round bar shape, a piano wire shape, or other shapes. By selecting the material of the processing rod 17, or by selecting the material of the processing rod 17.
By applying an appropriate coating to the surface of the cloth, the friction between the cloth and the handling rod 17 during handling can be adjusted to an appropriate level, and an optimal state with no wrinkles and high repeatability can be obtained. be.
Although a large number of guide rollers 15a are used as the guide member 15, a sliding member may be used instead.

(Effect of the invention) According to the handling device of the present invention, the handling rod is moved horizontally at the starting end of the cloth to be rolled in the direction opposite to the direction in which the cloth is to be rolled, and By handling the ends of the cloth transferred onto the rolled cloth, wrinkles and twists occurring at the ends of the cloth can be removed, and the ends of the cloth to be rolled can be removed. It is possible to ensure alignment, so there is no need to manually smooth out wrinkles or align edges, and there is no need to install a catcher, making it possible to fully automate the spreading work. It becomes possible.

In addition, since the handling rod is designed to pinch the unwinding position of the cloth and move back and forth in the direction of the spreading machine, a single handling device can handle not only one-way spreading and mid-face spreading, but also fold-back spreading. It can also be used in reverse.

[Brief explanation of the drawing]

The drawings are examples of the present invention, and FIG. 1 is a schematic front view of the spreading machine as seen from a direction perpendicular to the running direction;
Figure 2 is an enlarged view of the handling device as seen from the arrow in Figure 1, Figure 3 is also a view seen from the arrow in Figure 2, and Figure 4 is a diagram showing how cloth C is handled. , 5 and 6 are flowcharts. C... Cloth material, P... Feeding position, 1... Work table, 2... Fabric spreading machine body, 5... Feeding roller, 1
4... Sorting device, 15... Guide member, 16...
...Movable member, 16a... Rack, 17... Handling rod, 19... Gear motor (motor).

Claims (1)

[Scope of utility model registration request] A roll-shaped fabric is placed on the main body of the fabric spreading machine, which can be moved back and forth in the longitudinal direction on a horizontally installed workbench, and is fed out by a feeding roller, and then cut into the required fabric length by a cutting device. In the spreading machine for stacking and spreading the fabric on the workbench, two pieces are attached to the main body of the spreader and horizontally arranged on both sides of a feeding position where the fabric is fed out onto the workbench. a guide member, two movable members that are reciprocally movable along the guide member; and a movable member that is attached between the two movable members and that is moved back and forth in the spreading direction with the feeding position in between to handle the ends of the cloth. A sorting device comprising a sorting rod and a reciprocating drive means for reciprocating the movable member.