JPH0615923Y2 - Spreading device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Industrial Field of the Invention The present invention relates to a spreading device which rotatably receives a piece of cloth, and feeds out the cloth from the piece of cloth to extend it on a table.

2. Description of the Related Art As this type of spreading device that has been known in the past, a piece of cloth is pivotally supported on the upper side of the main body of the device, and by moving the main body of the device in the front-back direction, the material of the piece of cloth is unrolled from the front end of the main body of the device and spread. It is known that the process is repeated.

Problems to be Solved by the Invention In such a spreading device, the moving stroke of the device body is set according to the length of the cloth to be spread, and when the device body moves toward the front end of the moving stroke. , The tip of the dough hanging on the front end of the device body is pushed by the wind pressure from the front and the tip is lifted, as a result the tip of the dough does not rest at the predetermined position on the table, and the device body By moving toward the rear end of the moving stroke, the dough is unrolled and spread on the table.At that time, the wind is entrained behind the dough unrolling part at the front end of the apparatus body, As a result, the dough bulges forward, and the dough is lifted and pulled backwards.For example, when the dough is cut at the rear end of the movement stroke of the device body, the entire dough pulls backward. Since it is cut in a stretched state, there is a problem that the front end (tip end) of the cloth does not align with a predetermined position on the table.

The present invention solves such a problem, and an object of the present invention is to prevent the influence of wind on the cloth when the main body of the apparatus is moved in the front-rear direction and to be able to extend the cloth to a predetermined position on the table. Is.

Means for Solving the Problems In order to solve this problem, the present invention pivots a cloth material shaft above a device body that can be reciprocally moved back and forth on a table, and places the cloth of the cloth material on the front surface of the device body. A spreading device provided with a roller for feeding along with, and a fabric for feeding a piece of cloth to be fed by the feeding roller to be spread on the table, wherein the feeding roller is fed from the feeding roller to the front end portion of the apparatus main body. The fabric is provided with a windshield close to the rear side of the fabric.

With this configuration, even when the fabric fed from the feeding roller is pushed backward by the wind pressure when the main body of the apparatus moves forward, the fabric hits the windshield film, thereby preventing the tip of the fabric from being lifted. When the main body of the device moves backward, the wind is prevented from being caught in the back side of the fabric fed from the feeding roller by the windshield film being positioned close to the fabric, thereby preventing the fabric from being lifted. To be done. Since the windshield film is positioned close to the rear side of the cloth fed from the feeding roller in this manner, the cloth can be spread at a predetermined position on the table.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

In FIGS. 1 to 5, reference numeral 1 denotes a device main body having a traveling wheel 3 capable of reciprocating forward and backward on a table 2, and an upper side of the device main body 1 is movable in the left-right width direction of the device main body 1. A gantry 4 is provided. A pair of bearings 7, 7 for receiving the shaft 6 of the cloth 5 is provided on the left and right sides near the rear end of the gantry 4, and at the inner position of the bearings 7, 7, on the table 2 and the bearing 7. , A pair of link devices 8, 8 capable of reciprocating rotation with respect to The cloth 5 is placed on the table 2 in a state of being wound around the shaft 6 by a certain amount so as to be parallel to the rear end of the apparatus body 1, and both ends of the shaft 6 of the cloth 5 are connected to the link devices 8 and 8. Claws 9 and 9 at the tip end are hooked, the cloth 5 is lifted on the gantry 4 by the rotation of the link devices 8 and 8, and both ends of the shaft 6 are placed on the bearings 7 and 7. by the way,
The link devices 8 and 8 each include a link 10 that is rotated by a motor (not shown), and a link 11 that has one end pivotally supported at the tip of the link 10 and the claw portion 9 at the other end.
That is, it is a two-link mechanism, and the link 10 is rotated in a direction projecting to the rear of the gantry 4 so that the link 11
The shaft 6 hangs down, and both ends of the shaft 6 can be hooked on the claw portion 9 at the tip of the link 11, and the link 10 is rotated toward the upper side of the pedestal 4 to be linked to the link 10.
The angle between the links 10 and 11 is reduced so that the link 11 bends, and the link 10 abuts on the receiving member 10a provided on the link 10 at a constant angle, so that the link 10 and 11 are integrated together while maintaining a constant angle. Of the shaft 11 and the claw portion 9 at the tip of the link 11 moves upward at the bearing portion 7 and moves between the upper and lower portions of the bearing portion 7 to move the both ends of the shaft 6 to the bearing portion 7. It is ready to be placed. When the shaft 6 is lowered from the bearing portion 7, the shaft 6 is moved onto the table 2 by performing an operation reverse to that when the link devices 8 and 8 are placed, and the shaft 6 is moved from the link devices 8 and 8 onto the table 2. You can drop it. It should be noted that one bearing portion 7 is provided with a gear 12 that meshes with a gear 6a formed at one end of the shaft 6, and the shaft 6 is rotated by rotating the gear 12 by a motor (not shown). The cloth 5a of the cloth 5 can be fed at a constant speed when the cloth is spread.

Next, L-shaped guide members 13, 13 are provided on both left and right sides of the gantry 4 from the front end portion to the rear end portion. For details, the upright portion 13a of each guide member 13 is the pedestal 4
The portion 13b, which is located at the front end of the gantry 4 and is oriented substantially horizontally, has a length extending from the front end to the rear end of the gantry 4. Further, the height position of the upper end of the standing portion 13a is formed to be substantially the same as the height of the piece 5 received by the bearing portions 7, 7. Both ends of 14 are grooves 15, 15 of the guide members 13, 13
A horizontal bridging rod configured to move in the longitudinal direction of the groove 15 while rotating while the sprocket 17 at both ends meshes with the chain 16 provided in the longitudinal direction of each groove 15. At this time, the rod 14 is held in a state of being positioned at the upper ends of the standing portions 13a, 13a of the guide members 13, 13. Further, rollers 19 fitted into guide groove portions 18 formed inward of the chain 16 disposition portion of the groove 15 are provided at the ends of both ends of the rod 14 with respect to the sprockets 17, and the rod 14 is provided. You can move smoothly. Further, in order to maintain the state in which the rod 14 is positioned at the upper ends of the rising portions 13a, 13a of the guide members 13, 13, the recess 14a on one end side of the rod 14 is provided at the upper end of the rising portion 13a of one guide member 13. A claw 20 that can be engaged and disengaged is provided.
The claw 20 is connected to a handle 21 provided outside the upper end of the upright portion 13a and is biased by a spring 22 in a direction projecting inward of the guide groove portion 18, and the claw 20
The lower end of the rod is tapered so that it can be easily engaged with the recess 14a on the one end side of the rod 14.

Next, at the front end of the gantry 4, rollers 23, 24 for sandwiching the cloth 5a of the cloth 5 hanging from the rod 14 and hanging down.
Is provided. One roller 23 is pivotally supported by the gantry 4 and is configured to be driven by a motor (not shown), and the other roller 24 is a frame body 25 pivotally supported by the gantry 4.
It is configured to be pivotally supported by and to be switched by the rotation of the frame body 25 into a state in which it abuts against one roller 23 and a state in which it is separated from one roller 23. Reference numeral 26 denotes a handle portion formed on the frame body 25, which is operated by holding the handle portion 26 when the other roller 24 is brought into and out of contact with the one roller 23.

Next, the cloth 5a of the cloth 5 is attached to the lower end of the front end of the apparatus body 1.
A guide plate 27 and a guide rod 28 for guiding the table 2 to the table 2 are provided, and further, at the front end of the apparatus main body 1, the cloth 5a coming out between the guide plate 27 and the guide rod 28 is cut in the width direction. A cutter 29 is provided so as to be movable in the width direction of the apparatus body 1.

Next, at the front end of the apparatus body 1, the cloth 5a guided from the rollers 23, 24 between the guide plate 27 and the guide rod 28.
A windshield film 30 made of cloth is provided so as to be located close to the rear side. The windshield film 30 is positioned such that one end thereof is close to the upper end of the guide plate 27, and is disposed upward from the one end at the front end portion of the apparatus body 1. It should be noted that FIG. 5 shows the mounting portion of the windshield 30 in an enlarged manner.
Is hung on a plurality of horizontal rods 31, and is stretched by a weight 32 on the other end side. This is because when one end of the windshield 30 is raised together with the support member 33 so as not to hit the fabric 5a as the fabrics 5a stretched on the table 2 are piled up and the height of the fabric 5a becomes higher as described later, This is to prevent the windshield film 30 from becoming loose.
Thus, as the windshield film 30 rises, the guide plate 27, the guide rod 28, and the cutting portion formed by the cutter 29 are also raised at the same time.

By the way, the moving speed of the device body 1, the rotation speed of the shaft 6 of the cloth 5, and the rotation speed of the roller 23 are set so that the cloth 5a of the cloth 5 can be smoothly delivered onto the table 2, that is, the device body. The feeding speed of the cloth 5a is adjusted so as not to be delayed with respect to the moving speed of 1.

In the above configuration, the case where the cloth 5a of the cloth 5 is cut on the table 2 while being cut into a predetermined size and the spreading work is performed will be described. First, when the cloth 5 placed on the table 2 is placed on the mount 4, By rotating the link devices 8 and 8, both ends of the shaft 6 of the cloth 5 on the table 2 are picked up to lift the cloth 5 on the gantry 4, and both ends of the shaft 6 are placed on the bearings 7 and 7. Next, the handle 21 is used to remove the nail 20.
Is pulled to disengage from the rod 14, and the rod 14 is moved along the guide members 13 and 13 while being rotated toward the rear end side of the guide members 13 and 13. In this state, the cloth 5a is unwound from the cloth 5, and at the same time, the roller 24 is rolled.
Separated from 23, the rod 14 is rotated and moved to the upper end of the standing portion 13a to be engaged with the claw 20. As a result, the rod 14 is maintained in the state of being located at the upper end of the standing portion 13a. The cloth 5a of the unwound cloth 5 is placed on the rod 14 and the tip of the cloth 5a hangs forward so that the tip of the cloth 5a can be positioned between the rollers 23 and 24. Next, the roller 24 is moved to the roller 23 side, and the tip of the cloth 5a is sandwiched between the rollers 23 and 24. afterwards,
The shaft 6 is rotated to rotate the cloth 5, and the roller 23 is rotated to set the cloth 5a so that the leading ends of the cloth 5a are located at the positions of the guide plate 27 and the guide rod 28, that is, the starting position of the spreading operation. . In the above preparatory work, especially the work of hanging the cloth 5a on the rod 14 can be performed on the side of the device. That is, the rod 14 is located behind the cloth 5, and the cloth 5a is fed from the cloth 5 onto the table 2. After that, the rod 14 is moved to the front end portion of the guide members 13 and 13 (the rising portion 1).
It is possible to hang the dough 5a on the rod 14 by moving it to the upper end of 3a]. The cloth 5a between the cloth 5 wound around the shaft 6 and the rod 14 when the start of the spreading operation is completed is between the feeding speed of the cloth 5a and the moving speed of the apparatus body 1 at the time of spreading. Even if an error occurs and the feeding speed is slightly delayed, it is slack so that a desired length of retraction can be obtained.

In this state, the spreading operation can be started, the apparatus body 1 is moved forward on the table 2 by a required stroke in accordance with the spreading length, and then the apparatus body 1 is moved backward by a required stroke to produce the cloth piece. The dough 5a is fed out from No. 5, and when the device body 1 returns to the required stroke, the cutter 29
By moving the in the width direction of the apparatus main body 1, one sheet can be spread. By repeating this operation, the spread fabrics 5a are piled up on the table 2. The windshield film 30 located near the rear side of the cloth 5a below the rollers 23, 24 is used for moving the cloth 5a when the apparatus body 1 is moved back and forth.
To prevent it from being pulled upward by the influence of wind from the front or the rear. Specifically, when the device body moves forward, even if the fabric 5a below the rollers 23, 24 is pushed backward by wind pressure, the fabric 5a hits the windshield film 30 and thereby prevents the tip of the fabric 5a from being lifted. Further, when the apparatus main body 1 moves rearward, wind is prevented from being caught in the rear side of the cloth 5a below the rollers 23, 24 by the windshield film 30 being located close to the cloth 5a. This prevents the cloth 5a from being lifted. Since the windshield film 30 is positioned close to the rear side of the cloth 5a below the rollers 23 and 24 in this manner, the cloth 5a is located at a predetermined position on the table 2.
Can be extended.

As described above, according to the present invention, the windshield film is provided at the front end of the device body so as to be close to the rear side of the fabric fed from the feeding roller, so that the front and rear reciprocation of the device body can be improved. It is possible to prevent the cloth from being pulled upward by the influence of wind from the front or the rear during movement, and it is possible to extend the cloth at a predetermined position and a predetermined length on the table.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment of the present invention. FIG. 1 is an overall perspective view of a spreading device, FIG. 2 is a sectional side view of the same, and FIG. 4 and 5 are sectional views showing an engaging portion between the guide member and the rod, and FIG. 5 is a schematic side view of the windshield mounting portion. 1 ... Device body, 2 ... Table, 4 ... Stand, 5 ... Fabric, 5a
... Fabric, 6 ... Shaft, 7 ... Bearing, 23, 24 ... Roller, 30 ... Windshield, 31 ... Rod.

Claims (1)

[Scope of utility model registration request] 1. A roller which pivotally supports a cloth of a cloth material above a main body of the apparatus which can reciprocate back and forth on a table and which feeds out the cloth of the cloth of fabric along the front surface of the main body of the apparatus. In a spreading device configured to feed out fabric of a piece of cloth and extend it on the table, a windshield film is provided at a front end portion of the device body so as to be close to a rear side of the fabric fed from the feeding roller. Spreading device.