JPH0490787A - Automatic feeding method and device for sock stuff - Google Patents

Abstract

PURPOSE:To contrive sock stuff to be fed in a state that one shape is retained with a cylindrical capsule, and save the labor of feeding the sock stuff, and improve the efficiency by widening the boring section of the sock stuff to be retained with a widening click, to suck up a leg section inside and to shift the stuff to the capsule from the widening click, and by carrying the stuff to the receiving position of a sock sewing machine with a conveyor. CONSTITUTION:Outside the click tip 17a group of a collectively closed click 14, the boring section X1 of sock stuff X is fitted, and the section X1 is worked to be extended by a cylinder 19, and the widening click 14 is widened and the boring section X1 is widened to be retained. A leg section sucking position B is provided with a suction pipe 32 for opening a main body 11 on the front surface, and the leg section X2 of the sock stuff X is to be sucked into a hollow pipe 15. A capsule delivery position C is a section for inserting a capsule 3 into the internal section of the sock stuff X retained to be widened by the widening click 14, and the front position of said position is confronted with a belt conveyor 4 for suction-retaining the capsule 3 with a magnet 4a, and grasping devices 35 for retaining the capsule 3 retained by the magnet 4a of the conveyor 4, between both sides to be taken out, and to be inserted into the sock stuff X retained to be widened by the widening click 14 are arranged.

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to an automatic feeding method and device for feeding sock fabric to an automatic pantyhose sewing machine.

<Conventional technology> To sew pantyhose with an automatic sewing machine, a pair of sock fabrics are held in a spread shape by a holder and placed facing each other, and while the holder is moved intermittently while facing each other, This is done by making a cut in the bunty section of the rain sock fabric and sewing the cut edges of the rain sock fabric together.

Conventionally, sock fabric has been supplied to the holder of the automatic sewing machine as described above by an operator manually inserting the sock fabric into the holder.

<Problem to be solved by the invention> However, if the sock fabric is manually fed to the holder, the work efficiency is poor, the manufacturing cost of pantyhose is high, and the sock fabric is long and has poor shape retention. However, there is a problem in that it is difficult to attach the device to the holder.

Therefore, in order to solve the above-mentioned problems, this invention supplies sock fabric to an automatic pantyhose sewing machine while keeping its shape in a cylindrical capsule, thereby saving labor and increasing the efficiency of sock fabric supply. It is an object of the present invention to provide an improved method for automatically supplying sock fabric and an automatic supply device that can be used directly to carry out this method.

<Means for Solving the Problems> In order to solve the above-mentioned problems, the first invention is to expand and hold the perforated part of the sock fabric with an expanding claw, and to open the leg part of the sock fabric by expanding the opening part of the sock fabric. A cylindrical capsule is inserted into the inside of the expanded and held part of the sock fabric, and the sock fabric is transferred from the expanding claw to this capsule, and this capsule is conveyed to the sock. This method adopts a method of transporting the sewing machine to the receiving position of the sewing machine.

The second invention includes an intermittently rotating disc that has an expanding claw that expands and holds the perforated part of the sock fabric, and a hollow tube that is located inside the expanding claw and sucks in the leg part of the sock fabric. and the position where the expanding claw of the disc stops due to intermittent rotation, the sock mounting position where the perforated part of the sock fabric is attached to the expanding claw and held expanded, and the leg part of the sock fabric made into a hollow position. A leg suction position where suction is taken into the cylinder, a capsule delivery position where a cylindrical capsule is inserted into the expanded part of the sock fabric held by the expander claw, and a transfer position where the sock fabric is transferred from the expander claw to the capsule. , and a take-out position where the capsule is taken out from the expander claw, and the capsule taken out from the expander claw is received and held at a position facing the expander claw in the take-out position, and this capsule is placed in the receiving position of the sock sewing machine. This system adopts a configuration in which a conveyor is arranged to convey the product to the desired location.

<Function> With the perforation of the sock fabric inserted into the expander claw that stops at the sock attachment position, the expander claw is opened to hold the perforation expanded, and then the leg of the sock fabric is inserted into the leg suction position. At the capsule transfer position, insert the cylindrical capsule inside the expanded and held section of the sock fabric, and at the transfer position, insert the cylindrical capsule into the hollow tube. The inner leg part is stored in the capsule, and at the take-out position, the capsule with the sock fabric attached is taken out from the expanding claw and received by a conveyor, which conveys the capsule to the receiving position of the sock sewing machine.

<Example> Hereinafter, an example of the present invention will be described based on the accompanying drawings.

Figure 1 shows the overall structure of the automatic sock fabric supply device, which is placed at a predetermined position with respect to the automatic sock sewing machine 1 and transfers the sock fabric attached to the expanding claw into a cylindrical capsule. A belt conveyor 4 is arranged between a feeder 2 that sends out and a receiving position of the automatic sock sewing machine 1 and conveys the capsules 3 taken out from the feeder 2 to the receiving position.
The sock fabric is supplied to the automatic sock sewing machine 1 via the capsule 3.

4 to 10 show the specific structure of the feeder 2 and its operating process, and FIGS. 2 and 3 show the operating state of the main parts at each position.

As shown in FIGS. 3 and 4, the feeder 2 has a main body 11 that is fixedly arranged and rotatably supports a horizontal central shaft 12 protruding from the front side, and a disk is attached to the tip of the central shaft 12. 13 is fixed so as to rotate together with the central shaft 12.

The disk 13 has an expansion pawl 14 that protrudes toward the front side at each position divided into six equal parts on the same circumference centered on the axis of the central shaft 12, and an expansion pawl 14 that protrudes toward the front side. A hollow tube 15 passing through the disk 13 back and forth is attached at the center, and the central axis 12
is driven by an appropriate drive source via a gear 16 or the like so as to intermittently rotate the disc 13 at an angle equal to the spacing between the expansion claws 14.

The expansion claw 14 has four claws 17 arranged in a circle at equal intervals,
The rear end of the winter melon 17 is pivotally fixed to a circular mounting plate 18 fixed to a disk 13 by a hinge mechanism 19, and can be freely expanded and assembled using the hinge mechanism 19 as a fulcrum, and is always supported by a spring 20 wound around the outer circumference. The elasticity in the direction of gathering and closing is applied.

The winter melon 17 has a shape in which the intermediate portions are bent toward the center, and the toes 17a can be gathered in a substantially parallel state at the center.

The hollow tube 15 is movable in the axial direction by a flange holding cylinder 21 fixed so as to pass through the disk 13 and the mounting plate 18, and a rear end holding cylinder 23 of an arm 22 protruding from the back surface of the disk 13. It is supported so that it becomes, is parallel to the central axis 12, and is arranged so as to be coaxial with the expansion claw 14.

A holding cylinder 23 fixed to the rear end of the arm 22 is attached to the disc 1.
The hollow tube 15 is provided so as to slide and rotate on the front surface of the main body 11 during the intermittent rotation of 3, the tip of the hollow tube 15 is open, the net 24 is stretched at the rear end, and when the hollow tube 15 is in the leaving position shown in FIG. Expanding claw 14
The length is such that the tip faces inside.

The hollow tube 15 is always elastically biased to move toward the rear end by a spring 26 that is compressed between a receiving plate 25 externally fitted and fixed to the intermediate portion and the flange holding cylinder 21, and the flange holding cylinder 21 A bracket 27 is fixed to the outer circumferential surface of a portion projecting into the expanding claw 14 from the opening, and a roller 28 supporting the inner edge of the claw 17 is pivotally fixed at a position corresponding to the winter melon 17 on the outer periphery of the bracket 27.

When the hollow tube 15 is in the retracted position as shown in FIG.
are located on the base side of the claws 17, so the claws 17 gather together and become closed, and as shown in FIG.
When the lever 5 moves to the forward position, the lever 28 advances together to push open the pawl 17 and expand the expansion pawl 14.

The positions where each expansion claw 14 stops due to the intermittent rotation of the disk 13 are (in order clockwise from the upper right side in FIG. 3), a sock attachment position A, a leg suction position B,
Capsule delivery position C and sock fabric spreading claw 1
Transfer position D for transferring from 4 to the capsule,
A play position E and a take-out position F for taking out the capsule from the expanding claw 14 are set.

The sock attachment position A is the part where the sock fabric X is attached to the expanding claw 14, and at this position A, as shown in FIGS. When the hollow tube 15 moves from the take-out position F to the sock wearing position A with the hollow tube 15 in the leaving position, the guide roller 31 pivoted on the receiving plate 25 moves to the guide groove member. 30.

When the perforation part X of the sock fabric X is inserted outside the group of toes 17a of the expanded claws 14 that are assembled and closed, and this is detected by a detection means such as a touch switch, the cylinder 19 is activated to extend,
As shown in FIG. 5, the hollow tube 15 is pushed to the forward position via the guide groove member 30, guide roller 31, and receiving plate 25,
The expanding claw 14 is expanded to hold the perforated portion Xl expanded.

At the leg suction position B, as shown in Fig. 6,
A suction pipe 32 that opens at the front of the main body 11 is provided so as to communicate with the hollow tube 15 stopped at this position B, and the leg portion X2 of the sock material X attached to the expanding claw 14 is sucked into the hollow tube 15. It is supposed to be done.

In order to maintain the forward position of the hollow tube 15 at this leg suction position B, as shown in FIG.
An arc-shaped fixed guide 33 supporting the capsule is disposed so as to span between the sock wearing position A and the next capsule delivery position C.

Capsule delivery position C is a part where the capsule 3 is inserted into the inside of the sock fabric X which is spread and held by the expanding claw 14, and the capsule 3 has a short cylindrical shape made of magnetic metal and has a mesh inside on the rear end side. It has a structure in which 34 is stretched, and the 7th
As shown in the figure, a belt conveyor 4 that attracts and holds the capsule 3 with a magnet 4a faces the front position of the expanding claw 14 that stops at position C, and the belt conveyor 4 and the expanding claw 14 face each other.
The capsule 3 held by the magnet 4a of the conveyor 4 between
A gripping tool 35 is arranged to grip and take out the sock material from both sides and insert it into the sock material X which is spread and held by the spreader claws 14.

Further, as shown in FIG. 7, a guide groove member 37 that moves back and forth by a cylinder 36 fixed to the front surface of the main body 11 is arranged to guide the hollow tube 15 that has moved from the leg suction position B to the capsule delivery position C. Receive the roller 31 in the forward position and move the hollow tube 1 along with the insertion of the capsule 3.
5 will be forced to retire from work.

The transfer position D is a portion where the leg portion X2 stored in the hollow tube 15 is transferred into the capsule 3,
As shown in FIG. 8, an air blowing tube 38 that opens at the front of the main body 11 is provided so as to communicate with the hollow tube 15 that stops at this position D, and blows air into the hollow tube 15 from the rear end side. The leg portion X2 is pushed into the capsule 3 by blowing.

The take-out position F is a part where the sock fabric X and capsule 3 held by the expanding claw 14 are taken out and supplied to the belt conveyor 4, and as shown in FIG.
A pair of gripping tools 39 are arranged to hold the sock fabric X and the capsule 3 stopped at the same time from both sides of the outer periphery and move them forward, and to attract the capsule 3 to the belt conveyor 4 facing in front of the expanding claw 14. There is.

In addition, a guide groove member 41 is disposed that moves back and forth with a cylinder 40 fixed to the main body 11, holds the guide roller 31 at the leaving position, and slightly advances the hollow tube 15. When pulling out from the expansion claw 14,
The expanding claws 14 are slightly opened to avoid damaging the sock material X.

The belt conveyor 4, which runs opposite the capsule delivery position C and the take-out position F, is arranged to run endlessly between the feeder 2 and the receiving section of the automatic sock sewing machine 1, as shown in FIG. The end face of the capsule 3 is attracted and held by the magnet 4a provided along the surface, and the capsule 3 holding the sock fabric The row portion returns the capsule 3 from which the sock material X has been taken out from the receiving section to the capsule delivery position C.

11 to 15 show the automatic sock sewing machine 1,
It shows an example of the receiving section 52 that takes out the sock fabric X from the capsule 3 conveyed by the belt conveyor 4 and inserts it into a pair of holders 51 and 51, and a lifting platform 53 that moves up and down.
A pair of expansion arms 54 and 55, which can be freely opened and closed on both sides, are arranged in upper and lower two stages at the tip of the lower expansion arm 55.
is vertically movable to correspond to the vertical arrangement interval of the capsules 3.

As shown in FIG. 12, the expansion arms 54 and 55 move forward in a closed state relative to the capsule 3 held by the belt conveyor 4 and located above and below, and when they stop at the front end position of the capsule 3, the capsule 3 The perforation X1 of the sock X disposed at the front edge of the outer periphery of the sock is expanded from the capsule as shown in FIG. It is delivered to arms 54 and 55. After that, the expansion arms 54 and 55 opened and when I left work,
The leg portion X2 of the sock fabric X is pulled out from inside the capsule 3, and as shown in FIG. The perforation part X1 of
．． 5], and as shown in FIG.
55 moves along the holder 51, the upper and lower sock fabrics X, Then, the holders 51 and 51 move to the sewing process.

Figures 16 and 17 show socks attachment point A of feeder 2.
This is an example in which the operation of supplying the sock fabric
1, intermittently run endlessly in an arrangement equal to the distance between the sock wearing position A and the leg suction position B,
It is also provided so as to stop in front of the sock wearing position A and the leg suction position B.

A grip 62 for clamping the perforated part X of the sock fabric X supplied to the gutter 61 and inserting it into the expansion claw 14 is arranged between the sock wearing position X and the gutter 61 that stops at this position A. do.

In this way, when a large number of troughs 61 are used to supply the sock fabric X, the operator only has to arrange the sock fabric
The suction position B has the advantage that the suction of the leg portion X2 can be performed smoothly.

The automatic sock fabric supply device of the present invention has the above-described configuration, and the automatic sock fabric supply method is shown in FIGS. 4 to 1.
This will be explained in detail according to Figure 0.

As shown in FIG. 4, at the sock wearing position A,
When the hollow tube 15 is closed and the expansion claw 14 is closed, when the perforated part The hollow tube 15 moves to the forward position, and the rollers 2 move together.
8 pushes open the winter melon 17, and the toe 1 of the expanded claw 14 is expanded.
At 7a, the perforation part X of the sock material X is expanded and held.

Next, when the disk 13 rotates one pitch, the expanding claw 14 holding the sock fabric X moves to the leg suction position B and stops, and as shown in FIG. The hollow tube 15 communicates with the sock fabric
2 is sucked into the hollow tube 15, and the leg X2 is stored in the hollow tube 15 with the sock material X turned inward from the expanded holding portion.

Next, the disc 13 rotates by one pitch, and when the expanding claw 14 holding the sock fabric X in an expanded position stops at the capsule delivery position C, the gripping tool 35 grips the capsule 3 held by the belt conveyor 4. The capsule 3 separated from the conveyor 4 is inserted into the expanded portion of the sock fabric X held by the expanding claw 14.

When the capsule 3 moves forward, the cylinder 36 contracts, the hollow tube 15 moves backward, and the capsule 3
The capsule 3 that has entered the forward position is held by the contractile force of the expanding claw 14, and the gripping tool 35 releases the grip on the capsule 3 at the forward position and returns to the withdrawal position.

Next, when the disc 13 rotates one pitch and the expansion claw 14 stops at the transfer position D, the hollow tube 15 connects to the air blowing tube 38 via the holding cylinder 23, as shown in FIG. The hollow tube 15 is in communication with the air pressure blown out from the blowing tube 38.
The inner leg portion X2 is pushed into the capsule 3, and the sock fabric X is transferred from the hollow tube 15 to the capsule 3.

When the disc 13 further rotates by one pitch, the expansion pawl 14 advances to play position E. When the disc 13 further rotates by one pitch and the expansion pawl 14 stops at the take-out position F, as shown in FIG. The grip 39 closes in the forward movement position, clamping and holding the sock fabric X together with the capsule 3, and the grip 39 moves backward to take out the sock fabric X and the capsule 3 from the expanding claw 14, and attaches the capsule 3 to the belt. After being attracted to the conveyor 4, the capsules 3 are opened and released from the grip.

When the gripper 39 extracts the capsule 3, the cylinder 40
expands a little and the expanding claw 14 opens a little to prevent damage to the sock fabric X which is pulled out from the expanding claw 14.

The belt conveyor 4 runs as shown in FIG.
At this receiving section 52, the sock fabric They are inserted into the respective holders 51 and 51 of 1.

<Effects> As described above, according to the present invention, the perforated portion of the sock fabric is expanded and held by the expanding claw, a cylindrical capsule is inserted into the expanded holding portion of the sock fabric, and the sock is transferred to the capsule. Since the sock fabric is conveyed to the receiving section of the sock sewing machine by a conveyor, the sock fabric can be supplied to the sock sewing machine in a capsule state, and the efficiency of the supply operation can be improved and labor can be saved.

Furthermore, since the sock fabric is conveyed while being held in the capsule, the bulk of the sock fabric can be reduced, making it possible to save space and improve efficiency in supplying the sock fabric.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing how the automatic feeding device according to the present invention is used, FIG. 2 is a perspective view showing the main parts of the sock fabric feeding machine,
Fig. 3 is a front view of the same as above, Figs.
1 to 15 are explanatory diagrams showing the operating sequence of the receiving section during sock sewing, FIG. 16 is a plan view showing the means for supplying sock fabric to the supply machine, and FIG. 17 is a front view of the same. 1... Automatic socks sewing machine 2... Supply machine 3...
・Capsule 4...Belt conveyor 11
...Body 12...Central axis 13...
- Disc 14... Expanding claw 15... Hollow tube 17... Claw 20... Spring 26... Spring 28... Roller 29.36.40... Cylinder 30.37. 41...Guide groove member 31...Guide roller 32...Suction pipe 33...Fixed guide 35.39...Gripper 38...Air blowing pipe A...Sock supply position B...・Leg suction position C...Capsule delivery position D...Transfer position E...Play position F...Removal position X...Sock fabric XI...Perforation part X2
・・・Leg part

Claims (1)

[Claims] (1) Expand and hold the perforation part of the sock fabric with an expanding claw,
The leg part of the sock fabric is sucked into the inside of the expanded and held part, a cylindrical capsule is inserted inside the expanded and held part of the sock fabric, and the sock fabric is passed through the expanded claw into this capsule. An automatic method for supplying sock fabric, which comprises transferring the capsules to a receiving position of a sock sewing machine using a conveyor. (2) An expanding claw that holds the perforated part of the sock fabric open and held, and a hollow tube that is located inside the expanding claw and sucks in the leg part of the sock fabric are attached to the intermittently rotating disc; The position where the expanding claw of the disc stops due to intermittent rotation is the sock mounting position where the perforated part of the sock fabric is attached to the expanding claw and held expanded, and the leg part of the sock fabric is sucked into the hollow cylinder. A leg suction position, a capsule delivery position where a cylindrical capsule is inserted into the expanded part of the sock fabric held by the expander claw, a transfer position where the sock fabric is transferred from the expander claw to the capsule, and an expander claw. and the take-out position to take out the capsule from the
A sock fabric characterized in that a conveyor is disposed at a position facing the expanding claw at the take-out position to receive and hold the capsules taken out from the expanding claw and convey the capsules to the receiving position of the sock sewing machine. automatic feeding device.