JPH0719425Y2 - Pantyhose leg stretcher - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a sewing process of panty hose,
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a leg stretcher for panty hose provided to straighten a leg when supplying a semi-finished pantyhose product having a crotch portion sewn and a toe portion unsewn to a toe sewing device.

[Prior Art] As a consistent sewing device for pantyhose, a device configured as shown in Figs. 3 to 5 has been put into practical use.
Hereinafter, this device will be briefly described.

Reference numeral 10 is a crotch sewing machine, and a plurality of holding devices 12 as holding members for holding the waist of the panty hose stock are equidistantly arranged on the annular carrier 11 which rotates appropriately in the M direction (6 pieces in the illustrated example). ) It is provided. This biting tool 12 has a pair of vertically supported pair of bite plates 14a, 14a (14b, 14b) at the upper and lower sides, and the distance between the pair of upper and lower bite plates can be expanded and contracted. The pair of holding plates is constructed so as to be able to spread around the shaft 15. Further, an annular guide pipe 17 is fixedly attached to the carrier 11 by attachments 18, ... Outside the bite tools 12 ,. Separation pieces 19, ... Are provided on the upper surface of the guide pipe 17 so as to correspond to the respective bite tools 12 ,. 21 in the figure is both cloths 1, 2
A cutting device 22 for cutting the crotch part of the sewing machine and a sewing machine 22 for sewing the edges of the cutting part are operated in synchronization with the rotation of the carrier 11.

In the actual work, as shown in FIG. 6 (a), the worker wears the stocking cloths 1 and 2 knitted in a cylindrical shape by the circular knitting machine on the bite tool 12 at the position A. The wearing method is to cover the upper bite plate pair 14a, 14a with one cloth 1 from the waist side, and similarly, cover the lower bite board pair 14b, 14b with the other cloth 2 and then, The pair of bite plates are pressed against each other,
Both doughs 1 and 2 are pressure-fixed. When the dough is completely loaded, the carrier 11 is rotated and the inner crotch portion of the dough is cut by the cutting device 21 at the position B (the cutting line is shown by a broken line in FIG.
To be done. Next, the pair of upper and lower bite plates are expanded, and the cut edges are exposed to the outside at the position C. By sewing this portion with the sewing machine 22 at the D position, the pantyhose semi-finished product 3 in which the left and right doughs 1 and 2 are sewn at the crotch portions of each other as shown in FIG. While moving from the E position to the F position, the bite tool 12 returns from the expanded state to the original parallel state, the upper and lower bite plate pairs are opened, and the semi-finished product 3 is released from the constraint by the bite tool. To be done. In the semi-finished product 3 at this time, as shown by the solid line in FIG. 4, the waist portions 1a and 2a of the two cloths 1 and 2 are individually held while being covered by the upper and lower bite plate pairs from the waist side. ,
The legs 1b and 2b are hooked on the guide pipe 17 with the separation piece 19 sandwiched therebetween, and the lower portions of the legs are held in a hanging state from the guide pipe.

Reference numeral 25 denotes a toe sewing machine, which has a plurality of toe holding tubes that cyclically move in the N direction along an endless track 26 as shown in FIG.
27, ..., And a toe sewing machine 28 is provided at a predetermined position along the track. In the space between the guide pipe 17 of the rise sewing machine 10 and the track 26, a belt conveyor 31 that operates in a predetermined direction for conveying the legs of the semi-finished product, and a guide member 32 that appropriately performs a protruding operation toward the track 26 side. Are provided close to each other.

During the process in which the semi-finished product 3 is transferred from the E position to the F position of the crotch stitch sewing machine 10, the leg portion 1b (2b) of the semi-finished product hanging from the guide pipe 17 has the belt conveyor 31 and the guide member as described above.
32, where the belt conveyor 31 is actuated so that the legs are along the side surface of the guide member 32 and the toe sewing machine 25
Is transported to the side. When the leg portion is conveyed to the end portion of the belt conveyor 31, the guide member 32 projects and the leg portion is sent to the track 26 side, and the toe portion of the leg portion is sucked by the toe holding tube 27 passing through the I position. Retained. The conveyance and suction operations of the legs are performed in order of the leading leg 1b and the trailing leg 2b, and both legs 1b and 2b are sucked and held by two consecutive toe holding tubes 27 and 27, respectively. . Semi-finished product 3 at this time
The waist is held by the bite tool 12, and the legs 1b, 2b are respectively suction-held by the toe holding tubes at both I and II positions, as shown by the chain line in FIG. Legs 1b, 2b
Is in a straightened state. Here, the waist of the semi-finished product 3 is removed from the bite part 12, and the two sets of toe holding tubes 27, 27 are turned over and covered. While the toe holding tube 27 moves from the position III to the position X, the toe portion is sewn by the sewing machine 28 to obtain the finished pantyhose product 4 shown in FIG. 6 (c).

[Problems to be Solved by the Invention] By the way, in order to smoothly convey the legs of the semi-finished product from the rise sewing machine 10 to the toe sewing machine 25, the legs of the semi-finished product are hung down in an extended state. A leg stretching device may be provided below the E position. This leg stretching device stretches the leg straight by sucking the toe part of the semi-finished product passing above with a suction tube, and the crotch part of the left and right fabrics 1 and 2 is not sewn. When a semi-finished product or a semi-finished product with imperfect stitching is supplied, the left and right doughs are separated when the toe part of the semi-finished product 3 is sucked by the stretching device, and the sucked one is in the suction tube of the stretching device. May be sucked into. In such a case, in addition to causing a trouble in the suction device, the entire device must be stopped in order to take out the sucked dough, resulting in a large decrease in work efficiency.

An object of the present invention is to solve the above problems of the conventional device.

[Means for Solving the Problems] In order to solve the above problems, the present invention has the following configuration.

That is, the leg stretching device for panty hose according to the present invention is a device for stretching the toe part of the panty hose in which the waist is held by a predetermined holding member and stretching the leg part, and the toe of the panty hose in a free state. Is provided with a suction port that opposes the position of the suction port, and a suction tube that sucks the toe part from the suction port by the action of the blower is provided. In the part of the suction tube near the blower, air flows but the passage of the panty hose is prevented. The present invention is characterized in that it is provided with a suction preventing means for blocking, a pantyhose drop opening that is open in front of the suction preventing means and is downward, and a shutter for opening and closing the drop opening.

[Action] The pantyhose fabric sucked from the suction port
Further suction is prevented by the suction prevention means provided in the portion of the suction pipe near the blower, and the suction pipe is held at that point. When the suction is stopped, the shutter opens and the dough falls to the outside through the drop opening. In this way, since the dough sucked into the suction tube can be taken out at any time, it is not necessary to stop the entire device, and the production efficiency is improved.

[Embodiment] FIGS. 1 and 2 show an embodiment of a stretching device according to the present invention. The stretching device 35 is installed, for example, below the E position of the pantyhose consistent sewing device.

The stretching device 35 has a suction port 40 at one end and a suction tube 42 connected to a blower 41 at the other end. The portion 42a on the suction port side of the suction pipe 42 is rotatable up and down in the frame 4
It is provided in FIG. 4 and performs a swinging motion between a suction state shown by a solid line in FIG. 1 and a non-suction state shown by a chain line. As its driving means, an arm 46 driven by a motor 45 is attached to an intermediate portion of the swinging portion 42a. The fixed portion 42b of the suction pipe 42 extends horizontally and then bends downward. As shown in FIG. 2, the lower end portion 42c is formed in a tapered shape in which the lower end portion 42c slightly expands in diameter, and its end face opens downward as a drop opening 48. This drop port 48
A shutter 49 urged in a direction to close the drop port by a relatively weak force such as a spring is attached to the. Further, a suction port 50 is provided on the side wall portion at the lower end, and a suction hose 53 connected to the blower 41 via a damper 52 is connected to the suction port. A net 54, which is a suction preventing means for the panty hose material, is attached to the suction port 50. As the suction preventing means, any means may be used as long as it allows the air to flow and prevents the panty hose dough from passing through, and a grid in which rods are vertically and horizontally assembled or a plate in which many small holes are formed may be used. .

When the semi-finished product 3 passes above the leg stretching device 35, the seventh
As shown in the figure, the toe part of the semi-finished product is sucked by the suction pipe 42, and the leg portions are straightened. However, some of the semi-finished products are not sewn up at all or are not sewn at all. Will be sucked into. The sucked dough is
As shown by the chain line in FIG. 2, the net 54 is stopped at the end 42c on the blower side with the course blocked. That is, while the dough is sucked into the suction port 50,
Since the shutter 49 is in the closed state by the urging force of the spring or the like and the suction force, the cloth does not drop from the drop opening 48. damper
Suction is stopped when 52 is closed, and the suction tube blower side end 42
The cloth stopped at c is pushed and opened by the shutter 49 by its own weight, and is automatically dropped and removed from the drop opening 48 to the outside. In this way, without configuring to open the shutter 49 by the weight of the fabric,
It is also possible to manually open the shutter and manually remove the jammed defective fabric.

[Effects of the Invention] As described above, the leg stretching device of the pantyhose according to the present invention stops the stocking material in front of the blower when sucking the stocking material into the suction tube, and automatically and manually again. Since it is discharged to the outside, it is not necessary to stop the entire apparatus each time the above situation occurs as in the conventional case, and the production efficiency can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view of a stretching device according to an embodiment of the present invention,
FIG. 2 is a cross-sectional view of the main part, FIG. 3 is a plan view of the consistent sewing device for panty hose, FIG. 4 is a side cross-sectional view of the main part, and FIG. , Sixth
Drawings (a), (b), and (c) are explanatory views showing a processing process of panty hose, and Drawing 7 is an explanatory view of a leg stretch operation of panty hose by a leg stretch device. 1,2 …… Fabric, 3 …… Semi-finished product, 10 …… Rise sewing machine, 25…
… Toe sewing machine, 35 …… Leg stretching device, 40 …… Suction port, 41 …… Blower, 42 …… Suction tube, 48 …… Drop port, 49…
… Shutter, 54 …… Net (suction prevention means).

 ─────────────────────────────────────────────────── --- Continuation of the front page (56) Reference JP-A-59-160492 (JP, A) JP-A-59-46991 (JP, A) JP-A-64-68502 (JP, A) JP-A-55- 31712 (JP, A) JP-B 2-43516 (JP, B2) JP-B 2-26957 (JP, B2) JP-B 1-17400 (JP, B2) JP-B 61-21430 (JP, B2) Japanese Patent Publication No. 2-43517 (JP, B2) Jikkoku 52-21839 (JP, Y2)

Claims (1)

[Scope of utility model registration request] 1. A device for sucking a toe part of a pantyhose having a waist held by a predetermined holding member and extending a leg part, the device having a suction port facing a position of the toe of the pantyhose in a free state. A suction pipe for sucking the toe portion from the suction port by the action of the blower,
In the portion of the suction pipe near the blower, suction means for preventing air from passing through the panty hose, a drop opening for the panty hose that opens in front of the suction prevention means, and the fall A leg stretcher for pantyhose, comprising a shutter for opening and closing a mouth.