JPS644796B2 - - Google Patents

Description

Detailed Description of the Invention (Industrial Application Field) The present invention relates to a method and apparatus for continuously and automatically feeding cloth fabric in fabric processing processes such as dyeing processing. The present invention relates to the above-mentioned fabric supply method and apparatus for automating the splicing operation between the end of the fabric and the start of the fabric to be processed next, and unmanned lot switching.

(Prior Art) In general, in dyeing and finishing fabrics, fabrics are joined together on a transport cart to form one lot. When the fabric on this trolley is fed to processing equipment, conventionally, the fabric is fed by manually sewing the starting edge of the fabric to be fed next to the ending edge of the fabric that has been set first. Automation has not been considered, despite the complexity of the splicing work, the need for a lot of attention to monitor the ends and the stopping of the running of the fabric, and the risk of danger.

Therefore, no improvements to the work including automation of such splicing have been proposed yet.

(Problems to be Solved by the Invention) The present invention deals with the above-mentioned actual situation, and aims to eliminate the manual work of splicing in the supply of fabrics and promote automation thereof, and provides various related aspects for this purpose. The purpose is to make the lot changeover unmanned by arranging the operation and making it organic.

(Means for Solving the Problems) Therefore, the first feature of the present invention that satisfies the above object is a feeding method that achieves automation of the above-mentioned splicing, and is provided on the side adjacent to the fabric being processed. The fabric to be processed next is prepared in the machine section, and the fabric to be processed next is first fixed to the fabric fixing part of the automatic traveling sewing machine and kept on standby.

When the fabric being processed approaches the end, the end of the fabric is detected and the fabric feed is automatically stopped, and the fabric is fed in reverse and the fabric end is gripped to the starting edge position of the waiting fabric. The cloth ends are transferred and overlapped with the waiting starting end of the cloth and fixed, and both ends of the cloth are automatically joined and made into a series by an automatic traveling sewing machine.

When the splicing is completed, the cloth feeding device is operated to perform normal feeding, and the spliced fabric is removed from the cloth fixation and subsequently fed to the processing process.

On the other hand, a piece of cloth is arranged separately from the piece of cloth to be processed next, which has been spliced in series, and its starting end is fixed to the cloth fixing part of the automatic traveling sewing machine, and is kept on standby for the next splicing.

The above operations are performed sequentially and automatically according to a predetermined sequence of operations, except for the operation of fixing and setting the starting edge of the fabric to be processed next to the fabric fixing part of the automatic traveling sewing machine in advance. .

The second aspect of the present invention is a specific cloth supplying device for carrying out the above method, and its characteristics will be described with reference to the attached drawings. A cloth feeding device A for feeding the cloth F ₁ , a splicing device B whose main machine is an automatic sewing machine 11 installed near the cloth feeding device A, and a joint device B between the cloth feeding device A and splicing device B. From each part of a fabric edge transfer device C located between and at least two cases T ₁ and T ₂ that are located near each of the devices and hold the fabric being processed and the fabric to be processed next. Become.

The cloth feeding device A has a detector 7 that detects the end of the cloth during the movement of the cloth during processing, and is configured to confirm the end of the cloth and stop feeding the cloth based on this. At the same time, it is also possible to feed the cloth in the opposite direction in order to facilitate the transfer by a cloth edge transfer device, which will be described later.

In addition, the joining device B is connected to the automatic traveling sewing machine 1 as described above.
1 as the main part, and below it, it is pivoted by a rotating shaft 13 so as to be rotatable between a first position away from the automatically traveling sewing machine and a second position on the front side of the sewing machine joint part. A curved rotating arm 14 is attached, and a cloth fixing portion including spikes 15 is provided at the tip thereof. Further, a cloth restrainer 16 is provided at a second position upper portion of the sewing machine joint portion of the curved rotating arm 14.

Further, the cloth edge transfer device C, which is located between the cloth feeding device A and the joining device B and which transfers the end of the cloth being processed by both, has a rotating arm 20 having a clip 21 at its tip for holding the cloth edge. , and an actuating section 24 that operates the arm, which operates based on the detection of the cloth end detector 7 provided in the middle of cloth feeding by the cloth feeding device A, and clamps the cloth end with the upper part of the detector 7. , and can be rotated so as to overlap the starting end of the fabric fixed to the tip of the curved rotating arm 14 which is placed under tension in the width direction of the fabric and is positioned in front of the joint section of the automatic traveling sewing machine and is on standby. .

(Function) Next, to explain the function of the method and apparatus of the present invention having the above characteristics, first, the end of the cloth F ₁ being processed on the case T ₁ is detected by the cloth end detector 7,
Cloth feeding device A is stopped, and the running of the fabric is stopped.

Then, the fabric edge clip 21 attached to the tip of the rotating arm 20 of the fabric edge transfer device grips the detected fabric edge, spreads the fabric to the left and right to a certain tension, and then holds the rotating arm 20 in a wrinkle-free state. Turn and rotate (at this time, reversely rotate the cloth feed roller to feed the cloth) and set it in the cloth fixing part of the automatic traveling sewing machine.

The starting end of the fabric F ₂ to be processed next is pulled out from another case T ₂ and set in the fabric fixing part in advance, and the fabric is placed on top of the starting edge of the fabric F ₂ .
Overlap the ends of F ₁ . Then, grasp both edges of the cloth,
Run the sewing machine in a fixed state and join by suturing.

Note that the sewing thread is automatically cut.

Next, the curved rotation arm 14 is rotated to lower the cloth fixing section and operate the cloth feeding device to cause the cloth to travel in the forward direction. At the same time, the cloth joint part comes off from the cloth fixing part.

Thus, the fabric processed by splicing becomes a spliced fabric. Therefore, case T ₁ is removed, case T ₂ is moved to the position of case T ₁ , and a new cloth case to be processed is set at the position of case T ₂ , and its starting end is moved to the position of the curved rotation arm 14. Set it manually in the cloth fixing part at the tip and prepare it for the next time.

Through each of the above operations, the end of the fabric being processed and the start of the fabric to be processed next are automatically joined together, and lot switching is performed without any manual stitching work.

(Embodiments) Hereinafter, embodiments of the apparatus of the present invention and specific aspects of the supply method of the present invention will be described with reference to the accompanying drawings.

FIG. 1 shows an example of a fabric supply device according to the present invention, and FIGS. 2 to 6 are detailed views of each part thereof.

In Figures 1 and 2, A is the cloth feeding device section for feeding the cloth to processing device D, B is the joining device section for automatically joining the edges of the cloth, and C is the cloth feeding device during processing. This is a fabric edge transfer device section for transferring the fabric end of the fabric to the splicing device section B, and the device of the present invention is connected to each of these sections A, B, and C, and during processing disposed near these sections, and It consists of movable cases T ₁ and T ₂ including carts that hold the fabrics waiting to be processed, and the cases T ₁ and T ₂ are each transported to a predetermined position by a lift-type fork cart L. It will be done.

Each part will be explained in detail below.

(A) Fabric feeding device The fabric feeding device is the part that feeds the fabric pulled out from the case T ₁ to the processing device D. From the processing device D side, the slat guider 1, screw expander 2, guide roller 3, and selvage stretcher are fed. A guider 4 and guide rollers 5 and 6 are provided in this order, and a photoelectric cloth end detector 7 is installed between both guide rollers 5 and 6 to detect the end of the cloth. This cloth feeding device is capable of feeding cloth in both forward and reverse directions, and therefore, a storage for storing cloth is appropriately provided between it and the processing device D.

(B) Jointing device Jointing device B uses the automatically traveling sewing machine 11 mounted on the rod rail 12 as the main equipment, and is formed by adding the mechanisms necessary for carrying out the method of the present invention to this. .

That is, one of them is provided at the lower part of the automatic traveling sewing machine 11, and is sewn at a first position lowered away from the automatic traveling sewing machine 11 by the rotating shaft 13 and at the front surface of the joint part of the automatic traveling sewing machine 11. a curved rotating arm 1 pivotably supported so as to be rotatable between a second position holding the edge of the cloth;
4, this curved rotating arm 14 has a spike bar 16 with spikes 15 implanted at its tip as shown in FIG. A cloth fixing section consisting of 18 pieces is provided.

On the other hand, the other one is the curved rotation arm 14.
When the cloth is rotated to the sewing position, the cloth restrainer 19 is used to restrain the cloth edge from above above the cloth fixing part, and the member 19a is made of an elastic porous material such as a sponge and the member 19a is moved up and down. It consists of an air cylinder 19b.

(C) Fabric edge transfer device Fabric edge transfer device C is installed between the fabric feed device A and splicing device B, and pinches the fabric end detected by fabric feed device A with its tip and splices it. Device B
A rotating arm 20 equipped with a clip 21 is used to transfer the fabric to the fabric fixing part, and the rotating arm 20 is slightly slid in the width direction of the fabric to spread the clamped edge of the fabric to the left and right under constant tension to remove wrinkles. and an actuating part 24 that is actuated to transfer the cloth to the cloth fixing part in a state where the cloth is not in use.

The clamping part of the cloth end at the tip of the rotating arm 20, that is, the cloth end clip 21 is shown in FIGS. It consists of clamping pieces 21a, one of which slides toward and away from the other clamping piece by means of an air cylinder 22 built into a pinion rack. A phototube 23 for tensioning and positioning the cloth is attached to the clip 21.

On the other hand, the operating part 24 of the rotating arm 20, whose details are shown in FIG.
The machine frame is formed by the beam 32.
A first slide rod 35 is mounted over the brackets 33 and 34, and first slide metals 36 and 36' are vertically provided thereon.
Then, this first slide metal 36,3
A second slide rod 37 is further provided between the two parts 6' and a mounting base 39 to which the brake motor 40 is attached by means of second slide metals 38, 38'.
is attached, and the rotating arm 20 is fitted onto the shaft end of the brake motor 40.

The second slide rod 37 has an adjustment collar 4 which can be adjusted and moved by a spring 41.
2 is provided.

Further, one metal 36 of the first slide metal is formed longer than the other metal 36',
An attachment 43 is provided at its lower end, and a limit switch 44 is attached to the lower part of the mounting base 39.
It has become possible to connect and separate from it.

In addition to the above configuration, a screw shaft 46 is further provided on the end side of the beam 32 via a bracket 45, and this screw shaft 4
6 is threadedly inserted into the long first slide metal 36 described above.

A chain 47 is installed between the screw shaft 46 and a motor 48 to rotate it.

Thus, as described above based on the above-described configuration, the apparatus of the present invention (a) detects the end of the cloth being processed on the case T ₁ with the photoelectric cloth end detector 7, stops the cloth feeding device, and stops the cloth F _{1 .} Stop running.

(b) After clamping the fabric edge at the tip of the rotating arm 20 of the fabric edge transfer device C, the arm is rotated and the fabric edge is placed next to the case T ₂ set in advance in the fabric fixing part of the automatic traveling sewing machine. Lay it on top of the starting edge of the power cloth F ₂ . At this time, the cloth feeding device A is set to feed in reverse.

(c) Run the sewing machine while gripping and fixing both ends of the fabric to sew. Then, the sewing thread is automatically cut.

(d) The curved rotating arm 14 of the splicing device is rotated in the downward direction, the cloth feeding device is operated, and the spliced fabric is moved in the forward direction, that is, toward the processing device D.

(e) Remove case T ₁ , move case T ₂ to the original position of case T ₁ using a lift-type fork trolley L, and then set the new fabric to be processed in the original position of case T ₂ . and prepare for the next splicing.

The above actions are repeated in sequence, but the fourth step is performed regarding the clamping of the fabric edge and the state of polymerization at the fabric fixing part.
~ To explain in more detail with reference to FIG. 6, in order to set the starting end of the fabric to be processed next at the tip of the curved rotating arm 14, the arm 14 is lowered and the starting edge of the fabric is locked to the spikes 15. It is done by certain things.

After setting, as appropriate according to the joining time,
Wait at the joining position.

In this state, the edge of the fabric being processed is clamped by the clips 21. At this time, if you want to clamp the edge of the fabric at the top of the detector 7, move the rotating arm 20 in the direction indicated by the broken line in FIG. Screw shaft 46,
A series of adjustment slides including adjustment collar 42 slide the clip 21 on both sides of the fabric edge.
advance inward, respectively, and securely hold the pair of clamping pieces 21.
Insert between a.

Thus, the brake motor rotates the rotating arm 2.
0 is activated and the clip 21 is moved onto the starting end of the fabric to be processed next, which has been set in advance, and the two fabric edges are overlapped at this fabric fixing part as shown in FIG. In this way, the two ends of the fabric are ready for joining, and the automatic traveling sewing machine 11 moves on to joining, but before or after this, the ends of the material are released from the clip 21 at the tip of the rotating arm 20. do.

This is done by expanding one of the clamping pieces with the air cylinder 22 and opening the screw shaft 4.
6. This is achieved by sliding a series of mechanisms including the adjustment collar 42 in the direction indicated by the solid line arrow in FIG.

In addition, when transferring the cloth from the cloth end detection position to the cloth fixing part, in order to eliminate wrinkles at the cloth edge, the distance between the left and right rotating arms 20 is adjusted to a certain tension by a series of mechanisms such as the screw shaft 46. Expand and tense.

Then, when the joining by the joining device is finished,
The curved rotation arm 14 descends, but at this time, the end of the cloth that is locked to the spike 15 is released from the lock by the fabric pull-up bar 18 that is raised by the air cylinder 17, and the cloth feed device is moved. The fabric is continuously fed to the processing device by feeding the fabric in the forward direction.

Each of the operations described above is performed automatically in sequence, except for locking the end of the fabric to be processed next to the spike 15 at the tip of the curved rotating arm 14. splicing is automated.

(Effects of the Invention) As described above, the present invention is a fabric that is provided to processing equipment, and is processed by automatically joining the end of the fabric that has been set first and the starting edge of the fabric that is to be processed next. A method and device for supplying equipment to the equipment, including splicing using an automatic traveling sewing machine as the main machine, detecting the end of the fabric being processed, grasping the end and transferring it to the splicing position, and the like. Since it consists of a suitable cloth feeder, the conventional complicated fabric splicing work is no longer necessary, making it possible to unattend lot changeover, and making it possible to continuously supply fabric by simply changing the trolley, which saves labor. is large,
Moreover, since the edges of the fabric are widened and sewing is performed reliably in line with the fabric grain, defects such as fabric bending are significantly reduced, contributing to the improvement of fabric supply means, which has been a bottleneck when processing conventional cloth fabrics. By the way, it's a big deal.

[Brief explanation of the drawing]

FIG. 1 is a schematic side view showing the entire apparatus for carrying out the method of the present invention, FIG. 2 is an enlarged view of the same essential parts, and FIG. 3 is a front view showing details of the cloth edge transfer device, showing only one side. Figures 4, 5, and 6 are partial perspective views showing the cloth fixing portion at the tip of the curved rotating arm, the cloth end clip portion at the tip of the rotating arm, and the overlapping state of both cloth ends at the joining position, respectively. be. A... Cloth feeding device, B... Joining device, C... Fabric edge transfer device, D... Processing device, T ₁ ... Fabric holding case during processing, T ₂ ... Fabric holding case to be processed next, F ₁
...The cloth being processed, F ₂ ...The cloth to be processed next, 7
...Fabric end detector, 11...Automatic traveling sewing machine, 13...
Rotating shaft, 14...Curved rotating arm, 15...Spike, 16...Spike bar, 17...Air cylinder, 18...Fabric lifting bar, 19...Fabric restrainer, 2
0... Rotating arm, 21... Cloth end clip, 24... Actuating section.

Claims (1)

[Scope of Claims] 1. A cloth feeding device for the cloth being processed, in a method of joining the end of the cloth being processed and the starting end of the cloth to be processed next, and supplying the cloth as a series to a processing step. An automatic sewing machine is placed on the side of the
During processing of the fabric being processed, the starting end of the fabric to be processed next is fixed to the cloth fixing part of the automatic traveling sewing machine and kept on standby, and when the fabric being processed approaches the end, the end of the fabric is detected. Then, the cloth feed is automatically stopped, the end of the cloth is gripped and spread to the left and right, and it is moved to the starting position of the waiting cloth to be processed next, and the cloth to be processed next is moved. After overlapping and fixing at the starting end of the fabric, the two ends of the fabric are automatically joined by an automatic traveling sewing machine to form a series, and then the fabric feeding device is operated to continuously feed the joined fabric to the processing process, On the other hand, a method for supplying a fabric fabric, which is characterized in that a fabric fabric to be processed next is prepared separately, and its starting end is fixed to a fabric fixing part of the automatic traveling sewing machine in preparation for the next splicing. 2. The method for supplying cloth fabric according to claim 1, wherein the cloth is loaded on a movable trolley. 3. The method for supplying cloth fabric according to claim 1 or 2, wherein the end of the cloth being processed is detected by a photoelectric detector. 4. The method for supplying cloth fabric according to claim 1, 2 or 3, wherein the overlapping and fixing of both ends of the fabric is carried out using spikes near the joint of an automatically traveling sewing machine. 5 A device for automatically joining the end of the fabric being processed and the starting edge of the fabric to be processed next, and supplying the fabric as a series of continuous pieces to the processing equipment; A cloth feeding device for feeding the fabric cloth, a splicing device whose main machine is an automatic traveling sewing machine located near the cloth feeding device, and a splicing device located between the cloth feeding device and the splicing device. at least two cases: a case for holding the fabric being processed and a case for holding the fabric to be processed next; The cloth feeding device has a cloth end detector in the middle of being pulled out from a case holding the fabric being processed, and stops feeding the cloth in response to the detector when the detector confirms the cloth end. The automatic traveling sewing machine of the joining device has a space between the remote first position and the second position in front of the sewing machine joint part at the bottom of the automatic traveling sewing machine. Pivotally supported so that it can rotate,
In addition, a curved rotating arm with a cloth fixing part at the tip is attached, a cloth holding device is provided at the upper front of the joint part of the sewing machine, and a cloth edge transfer device has a cloth edge holding device at the tip. The rotating arm includes a rotating arm capable of tensioning the fabric edge in the width direction of the fabric edge, and the rotating arm has a position where the fabric edge is clamped during processing above the fabric end detector, and a curved rotating arm rotation arm on the front surface of the automatic traveling sewing machine. A cloth feeding device characterized in that it is rotatable between a moving position and a forward position. 6. A patent claim in which the fabric fixing part at the tip of the curved rotating arm provided at the bottom of the automatic traveling sewing machine consists of a spike bar with spikes planted thereon, and a vertically movable fabric pick-up bar superimposed on the top surface of the spike bar. A feeding device for cloth fabric according to scope 5. 7 The cloth holding device installed at the upper front of the joint part of the automatic traveling sewing machine is movable up and down, facing the upper part of the cloth fixing part at the tip of the curved rotating arm that has rotated to the front of the automatic traveling sewing machine. 7. The cloth feeding device according to claim 5 or 6, wherein the pressing member is made of an elastic porous material. 8. The fabric feeding device according to claim 5, 6 or 7, wherein the clip at the end of the arm of the fabric edge transfer device pinches the fabric edge using a cylinder mechanism.