JPS62231003A - Socks insert method and apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method and device for inserting socks, and more particularly, to
Mold members installed in various mechanical devices in the sock manufacturing process, such as the gripping plate pair of the gripping member in a pantyhose rise sewing machine, the foot last in a sock finishing machine, or the suction member in a toe sewing device. This invention relates to a method and device for automatically inserting socks into socks.

[Conventional technology and problems]

Socks go through many manufacturing processes from knitting to the final packaging process, but in the manufacturing process of Shirayaki Tsuka,
It is necessary to insert the socks into a mold member installed in the machine used in the process. For example, two socks (
To manufacture pantyhose from tubular knitted stocking fabric of the same size and shape,
Manufactured using the pantyhose rise sewing machine disclosed in Japanese Patent Application Laid-Open No. 54-121857,
In this case, as a first preparatory work, two socks are inserted into the pair of gripping plates of the sewing machine, and while the pair of gripping plates moves along a predetermined movement path T in this inserted state, the pantyhose are The work necessary for sewing is performed. In addition, in a sock finishing machine, after inserting a sock into each of the many foot lasts, the prosthetic last is moved along a predetermined movement path, and during this movement, the socks inserted into the last are It is configured to set, dry and finish.

Conventionally, the work of inserting a sock into mold members such as the above-mentioned gripping plate pair of a crotch sewing machine or a foot last of a sock finishing machine has been performed manually by an operator. To perform this insertion work, the operator positions himself in front of the mold member, holds the welt end of the sock open, and inserts the sock from the front end to the rear end (or from the front side to the back side) of the mold member. However, in this case, the worker is standing, and the more the worker inserts the sock into the mold member, the more the worker is in a half-stuck posture. The work of wearing clothes is extremely tiring for the worker, and as a result, it is difficult to continue the work for a long time.

In addition, the socks inserted into the mold members (particularly the pair of gripping plates) are
It is necessary to insert the waist end and run guard part (the part that forms the border between the panty part and the leg part) into the nuclear mold member while accurately positioning it at a predetermined position. The work requires the operator to rely on his or her own eyes and fingertips to perform the work dexterously, resulting in extremely poor work efficiency and a major factor in reducing the performance of the sewing machine.Furthermore, this positioning If the work is not accurate, there will be variations in the sewing finish and there will be a problem in that it will not be possible to obtain a uniform product.

The present invention has been made to solve the above-mentioned problems, and it improves the sock manufacturing process by automating the insertion and positioning of socks into mold members such as gripping plates and foot lasts. The purpose of the present invention is to provide a method and device for inserting socks, which improves productivity and saves labor, and makes it possible to manufacture uniform and inexpensive products.

[Means for solving problems]

In order to solve the above problems, this inventive method
The welt end opening of the sock fed into position by a suitable supply means is opened, a pair of expanders are inserted into the opening, and the expanders are opened laterally to extend the welt end opening of the sock into the opening. Then, while moving the expander toward the front end of the mold member, the expanded and held sock is temporarily inserted into the mold member, and after the temporary insertion, approximately the entire length of both side surfaces of the mold member is inserted. A pair of inserting belts are brought into contact with each other over a wide area, and the inserting belts are rotated synchronously in this contact state, thereby inserting the temporarily volatilized socks into a predetermined position of the mold member. It is.

Furthermore, the insertion device of the present invention which solves the above-mentioned problems has the following features:
A sock expansion member that expands and holds the welt end opening of the sock from the inside and temporarily inserts it into the mold member at an appropriate position on the travel path of the mold member that moves at a constant cycle along a predetermined movement path; A sock insertion member is provided for inserting the inserted sock into a predetermined position of the mold member, and the expansion member is horizontally rotatably supported at a position adjacent to the front end side of the mold member, and A suction table that supports in a predetermined state the welt end of a sock supplied to a fixed position by a supply means, and a welt end opening of the sock supported on the table that can be moved into and out of contact with the upper surface of the suction table. and a pair of expanders configured to be reciprocally movable between the top surface of the suction table and an appropriate position at the front end of the mold member, and configured to be able to close and expand. - The insertion member has a pair of insertion belts arranged on both sides of the mold member in the longitudinal direction and rotates in synchronization with each other, and the insertion belt is moved to a raised position where the movement of the mold member is not hindered. , and a lowered position where it contacts both side surfaces of the mold member.

[Effect]

Forcibly open the welt end opening of the sock supplied to the fixed position by an appropriate supply means, insert a pair of expanders toward the opening in a closed state, and then expand both expanders laterally. and expand and hold the welt end opening of the shoe from the inside.

In this state, while the expanding tool is moved toward the front end of the mold member, the expanded sock is temporarily inserted into the mold member.

When the sock is temporarily inserted into the mold member, the pair of insertion belts then contact the pick-up surface areas on both sides of the mold member and press the sock temporarily inserted therein. When the post-insertion belt rotates in this state of contact and pressure, the temporarily inserted sock is slid and pushed toward the rear end of the mold member, and as a result, the sock is completely inserted into the mold member. be done. In addition, by detecting the welt end (or run guard part) of the sock to be inserted into the mold member with an appropriate detector, and controlling the contact rotational movement of the insertion belt based on the detection, the sock is inserted into the mold member. The sock to be worn is always inserted in a constant state, that is, the welt end and the run guard are placed in a predetermined position on the mold member.

〔Example〕

An example of an apparatus for implementing the method of the present invention will be described below with reference to the accompanying drawings. In carrying out the method of the present invention, it is possible to appropriately select which mold member to insert the sock into, such as the gripping plate pair of the above-mentioned pantyhose rise sewing machine or the foot mold of the sock finishing machine. However, in this embodiment, for convenience of explanation, a case will be described in which socks are inserted into a pair of gripping plates of a pantyhose rise sewing machine.

1 to 5, a sock expansion member 30 of the present invention is shown.
is a pair of gripping plates 13λ of the gripping member 12 which is located at the end of the sock supplying means 20 which is supplied in a fixed position by a suitable conveyance mechanism 21 and at one station of the pantyhose crotch sewing machine. , 14a is located on the extension of the previous item. The supplying means 20 is connected at its starting end to a sock supplying section (not shown), and the supplying section supplies the shoes FS supplied by appropriate means at predetermined intervals in the state shown in FIG. Welt end 51 of socks
is placed horizontally on the table 22, and transported with the legs St hanging down ten thousand times in the direction of the arrow in FIG.
0 to a predetermined position on the suction table 31.

The expansion member 30 connects the suction table 31 and the welt end opening 51 of the sock supplied onto the suction table 31.
a welt end opening member 32 that holds the opening in the vertical direction;
It is constituted by a pair of expansion tools 33 and 34 which are expanded and held from the inside of the opened welt end S1 and temporarily inserted into the pair of gripping plates 131 and 14a of the gripping member 12.

As shown in FIG. 3, the suction table 31 has a large number of small suction holes 31a formed on its upper surface, a hose 32 for connection to a suction source is connected to the front, and the upper surface is flush with the table 22. It is supported at one end by $633'. Therefore, the suction table 31 is horizontally rotated about the shaft 33' between the solid line position and the chain line position in FIG. 1 by the reciprocating rotation of the shaft 33'.

As shown in FIGS. 2 and 3, the welt end opening member 32 is mounted on a lift [3
5 is disposed, and an inverted T-shaped presser plate 36 is supported on the lifting device 35, so that the presser plate 36 can be moved into and out of contact with the upper surface of the suction table 31. A curved needle 37 is provided, the needle 37 is connected to an appropriate rotation device 39 so as to rotate around a shaft 38, and a ## is provided on the presser plate 36 along the rotation locus of the needle 37. #
36λ is drilled, and when one needle 37 rotates, the one needle becomes #l36.
ai so that it slightly protrudes from the lower surface of the presser plate 36.

By configuring the welt end opening member 32 as described above, the socks S supplied to a predetermined position on the suction table 31 are moved up and down by the lifting device 35 of the presser plate 36 and by the rotation device 39 by one stitch. By the rotation of 37, the 9-hole bolt end opening S is held open.

When the welt end opening S1 of the sock S is opened by the opening member 32, the opening is then opened by a pair of expanders 33.3.
4 extends from the circular part and holds the sock S with a pair of bite plates 13m, 1
Temporarily insert it into 4a.

As shown in FIGS. 1 to 4, the expanders 33 and 34 are mounted on a vertical plate 42 that is fixed to the tip of a sliding head 41. As shown in FIGS. That is, a pair of gears 43 and 44 that mesh with each other are rotatably attached to the vertical plate 42, and the gears 4
A pair of arms 45.46 extending radially to 3.44
and the extension devices 33 and 34 are fixed to the ends of these arms. Also, a gear rotation device 47 that rotates a pair of gears 43 and 44 at a certain angle on the vertical plate 42.
is provided, and the pair of expansion tools 3 are moved by driving the rotation device 47.
3.34 is configured to swing between its closed position and expanded position, as shown in Figures 3-4.

The sliding head 41 has a spline [1IIB5
3, and the sliding head 41 is connected to this spline shaft 53.
It is possible to reciprocate along the

Further, an endless chain 55 that runs in one direction using a motor 54 as a driving source is mounted on the fixed base 52, and a guide roller 56 provided on one of the links of the chain 55 is connected to the groove 41@ of the sliding head 41. match. As a result, by driving the motor 54 and moving the chain 55 along an elliptical trajectory in the direction of the arrow in FIG. Position B (top position 1f of suction table 31!
) l, and at the position indicated by the chain line B, the dilator 33, 34 is expanded from the closed state by driving the rotation device 47, and in this expanded state, the expander 33, 34 is moved to the position indicated by the chain line C ( After moving the front ends of the pair of gripping plates 13a and 14a to an appropriate distance, they are configured to return to the original position A.Then, at this position A, the rotating device @47 is driven again. This is to return the dilator 33, 34 from the expanded state to the original closed state.

Missing number, the above-mentioned expansion member 30 allows the gripping plate pair 13a,
The sock inserting member 60 that completely attaches the sock S temporarily inserted to the sock 14a at a predetermined position on the gripping plate pair will be described. In FIGS. 6 to 11, a pair of clamping plates 13 of the clamping member are placed at appropriate positions above the clamping member 12 located at one station of the pantyhose crotch sewing machine. Plate bracket 6 along the length direction of @14a
1 is supported horizontally by appropriate means, and shelf supports 62 and 63 are attached to the lower surface of the plate-like bracket 61 at intervals approximately equal to the lengths of the pair of gripping plates 13λ and 141.
This bearing 62 is fixed so as to protrude from both sides of the
．． Two parallel horizontal shafts 64° and 65 are rotatably mounted on both sides between 63 and 63. A stepping motor 661i1ffi is mounted on the lower surface of the plate-shaped bracket 61, and a chain 67 is hung between a wheel 66λ fixed to the rotating shaft of the motor and wheels 64@, 651 fixed to each end of the horizontal shaft 64.65. , so that the horizontal shafts 64 and 65 are rotated synchronously by the movement of the chain 67 driven by the motor 66.

A pair of support brackets) 71.7 on said horizontal shaft 64.65.
2 into the support bracket H by loosely fitting it onto both ends J.
- a pulley 73a which is swingable independently of the rotation of the horizontal shaft 64.65 and supports a pair of insertion belts 73.74 in tension at each end of this support bracket 71.72;
.

73b, 74a, 74b are rotatably mounted, and bevel gears 75, 76 fixed to the respective boot shafts of IJ-73λ, 74b are connected to the horizontal shaft 64.6.
The bevel gears 77 and 781 fixed to 5 are brought into mesh with each other.

In addition, a short shaft 81 perpendicular to the length direction of the horizontal shaft 64.65 is rotatably supported at the lower surface of the plate-like bracket 61, and a short shaft 81 perpendicular to the length direction of the horizontal shaft 64.65 is rotatably supported. As shown in FIG.
Bevel gears 87 and 88 are loosely fitted into 64 and 65 and mesh with bevel gears 85 and 86, which are fixed integrally with support brackets 71 and 72, respectively.

When the pneumatic cylinder 82 is actuated to raise the rack member 83, the pinion 84 that engages with the rack member 83 is rotated clockwise in FIG. 11. The clockwise rotation of the binion 84 is caused by the short shaft 81 and the bevel gears 87, 8.
8 in the same direction, and as a result, a pair of insertion belts 73 are connected via bevel gears 85 and 86 that mesh with bevel gears 87 and 88.
．． 74 is a horizontal shaft 64 integrated with support brackets 71 and 72.
．． 65 as the center, it swings downward from the chain line position in FIG. be contacted across the board. In order to keep this contact state uniform, guide members 91, 92 are provided over the entire length of one side of the inner circumferential surface (the side that contacts the pair of gripping plates) of the insertion belt 73, 74, as shown in FIGS. 9 and 10. At the same time, this guide member is urged by springs 93 and 94, and the pair of gripping plates 13a
, 14λ is configured so that the belt portion that contacts the 9IlI surface portion of the belt is always in stable contact.

A pair of insertion bells! -73 and 74 swing downward and come into contact with the side surface of the pair of gripping plates 13aJ141.

Next, the stepping motor 66 is driven to drive the horizontal axis 64.6.
5 are rotated synchronously, the pair of insertion belts 73 and 74 are rotated in the direction of the arrow λ in FIG.
The other insertion belt 74 is rotated in synchronization with the direction indicated by the arrow. Therefore, if a sock S is temporarily inserted across the pair of gripping plates 13a and 14a, the sock will be stretched to a predetermined position on the pair of gripping plates by the rotational running of the insertion belts 73 and 74. It is something that

Next, the operation of the above-mentioned embodiment will be mainly explained in Fig. 12tA) -
This will be explained with reference to IC).

The socks S supplied by suitable supply means 20 are
As shown in FIG. β), the welt end opening 51 extends above the suction table 31, and the leg S2 is supplied to a predetermined position on the table 31 in a hanging state. When the socks S are supplied to a predetermined position on the suction table 31, a suction force is first applied to the suction hole 31a of the suction table 31 to suction and hold the lower edge of the welt end opening S1, and then the presser plate 36 is By lowering the opening S1 and pressing it onto the suction table 31, a part of the upper edge of the opening S1 is slightly floated into the 4361, and at the same time, the needle 37 is rotated into this #l#36λ to open the opening. The upper edge of the gust is held by the one stitch (see Figure 12, tfs+). In this state, when the presser plate 36 is raised and returned to its original position, the opening S is held securely by the single stitch 37! The upper edge of the opening S1 is held open between the presser plate 36 and the suction table 31 by raising the upper edge together with the presser plate 36 and separating it from its lower edge as shown in FIG.

Welt end opening S! is as shown in Figure 12 (C) < IQJ
Once the mouth is held, the pair of dilators 33 and 34 are then moved in a closed state from the entry position to the B position in FIG. 2 to open the opening S1.
After a while, the expansion tools 33 and 34 are opened and expanded and held from the inside of the opening S1 (Fig. 12 t).
D), see tEl. Note that when expanding the expansion tools 33 and 34, the suction action of the suction table 31 is released, and
The first needle 37 is rotated back to release the upper and lower edges of the opening from being held open.

When the opening S1 of the sock is expanded and held by the pair of expanders 33 and 34, it is expanded and held there while the expanders 33 and 34 move from position B to position C in FIG. Temporarily insert the socks S into the pair of gripping plates 13@, 14a (see FIG. 12 (II"l)). At the time of temporary insertion, the suction table 31 is moved from the solid line position in FIG. 1 to the chain line position. By rotating the leg part S2 of the sock S
is in a free state and temporary insertion work can be performed without any problem. In addition, the socks S to be temporarily stretched are the pair of gripping plates 13a, 1.
4a under tension, the contact resistance between the sock and the pair of gripping plates gradually increases, and as a result, during insertion, the sekiguchi part S1
The dilator 33, 34 holding the dilator in expansion is removed from the opening. Thereby, the sock S is temporarily stretched and attached to an appropriate position on the pair of gripping plates. - 10,000, the dilators 33 and 34 that have been pulled out from the opening S1 are moved back to their original position (position A in Figure 2) from the time they were pulled out, and at that position they change from the expanded state to the closed state. be returned.

When the sock S is temporarily inserted into the pair of gripping plates 13a and 14b and the pair of expansion tools 33 and 34 return to their original positions T, the pair of insertion belts 73 and 74 of the insertion member 60 are then inserted into the eighth (The insertion bell is swung downward from the chain line position shown in the figure to the solid line position) 73
．． 74, as shown in FIG.
a, 14a are brought into contact over substantially the entire length of both sides thereof.

This contact state is maintained uniformly by guide members 91 and 92 and springs 93 and 94. insertion bell) 73
．． 74 comes into contact with both side surfaces of the pair of gripping plates 13a, 14a, the motor 66 is then driven to move the one insertion belt 73 in the direction of the arrow λ in FIG. 9 and the other insertion belt 74 in the direction of the arrow λ. Rotate and travel in synchronization with the direction of rotation. As a result, the sock S temporarily inserted into the pair of gripping plates 13a and 14a is inserted into a predetermined position on the pair of gripping plates by contact rotation of the insertion belt (see FIG. 12, 1cl). In addition, at the time of insertion, an appropriate detection device such as a sensor is placed near the pair of gripping plates, and the sensor detects the welt end or run guard portion of the sock inserted into the pair of gripping plates, Based on this detection, the motor 66 is driven and controlled to control the rotation of the inserting belt, so that the temporarily inserted sock is completely positioned at a predetermined position on the pair of gripping plates. It is something that will be done.

When the sock S is inserted into the predetermined position of the gripping plate pair 13a, 14a by the pair of insertion belts 73, 74, the insertion belt 73, 74 moves to the next station.
The sock insertion work is completed by swinging back to the original raised position where movement of the socks 3a and 14a is not hindered.

The pantyhose rise sewing machine includes a plurality of gripping members provided to move along a movement path having a circumferential orbit shape, and work stations as many as the gripping members are provided on the movement path. While the member moves through each station, the pantyhose is manufactured through each work step from inserting two socks into the gripping member to sewing them with a sewing machine. Further, the above-mentioned gripping member consists of a pair of upper and lower gripping plates and a pair of left and right gripping plates, and the two socks are inserted into the upper pair of left and right gripping plates and the lower pair of left and right gripping plates, respectively. need to be done.

In the above-described embodiment of the present invention, a case has been described in which socks are inserted into, for example, a pair of lower left and right gripping plates at the first station of the pantyhose rise sewing machine. Therefore, in order to insert another sock into the upper pair of left and right gripping plates, it is only necessary to install the device according to the embodiment of the present invention at the second station position. It becomes possible to simultaneously insert two socks into the pair of upper and lower left and right gripping plates.

The above explanation has been given for the case where socks are inserted into the gripping plate pair of a pantyhose rise sewing machine, but this gripping plate pair can also be used as a foot mold of a sock finishing machine, a suction member of a toe sewing machine, etc. By replacing the parts, the method and apparatus of the present invention can be used for inserting socks into mold members installed in various mechanical devices in the sock manufacturing process.

〔Effect of the invention〕

As described above, according to the present invention, it is possible to automatically insert a sock into a mold member equipped with one mechanical device that can be used in the sock manufacturing process, thereby saving labor and increasing efficiency in the sock manufacturing process. Cost reduction becomes possible.

In addition, when inserting a sock into a mold member, the sock is first temporarily inserted into the mold member, and then a pair of insertion belts are brought into contact with all sides of the mold member, and the insertion belt is rotated while in this contact state. The sock, which has been temporarily inserted by running, is completely inserted onto the mold member. It is inserted in a tensioned state and accurately positioned.

[Brief explanation of drawings]

Figure 1 is a plan view of the sock expansion member of the insertion device that implements the method of the present invention, Figure 2 is a side view of the same, Figure 3 is a front view of the same, and Figure 4 is the opening and closing operation of the pair of expansion tools. FIG. 5 is a sectional view taken along the line l-1 in FIG. 1, FIG. 6 is a plan view of the sock inserting operation of the inserting device that implements the method of the present invention, and FIG. 7 is the top surface of the same 8 is a partially omitted front view of the same as above, and FIG. 9 is a T plan view showing the relationship between a pair of insertion belts and a pair of gripping plates.
Figure 0 is the ■-■ cross-sectional view of Figure y69, and Figure 11 is the t of Figure 8.
u-ui H side view, Fig. 12 4-0) is a diagram explaining the operation of the insertion device, Fig. 12 (c) l, 10) is a side view, Fig. 12 iBl, LCI is a front view, FIG. 12 LEI, LFI 2 and 0) is a perspective view. 2 in these figures, 131.14a... bite plate pair, S... socks, Sl.
... Welt end opening, 30 ... Sock expansion member, 31
... Suction table, 32... Welt end opening member,
33.34... Expansion device, 60... Sock insertion member, 7
3.74...Insertion belt. Rub 4 @ Bud 5 times 1z @ (A) Calculation 12 @ (C) Calculation 12 diagram (B) Rod 12 diagram (F) S 4a 4a

Claims (2)

[Claims] (1) Forcibly open the welt end opening of the sock that has been supplied to the fixed position by an appropriate supply means, insert a pair of expanders into the openings in a closed state, and then expand the expanders. After the sock is opened and the welt end opening of the sock is expanded and held from the inside, the expanded and held sock is temporarily inserted into the mold member while the expansion tool is moved toward the front end of the mold member, and after the temporary insertion, the sock is expanded and held. , a pair of insertion belts are brought into contact over substantially the entire length of both side surfaces of the mold member, and in this contact state, the insertion belts are rotated to insert the temporarily inserted sock into a predetermined position of the mold member. A method of inserting socks characterized by the following. (2) A sock expansion member that expands and holds the welt end opening of a sock from the inside and temporarily inserts it into a mold member, and a sock insertion member that inserts the temporarily inserted sock into a predetermined position of the mold member. is provided at an appropriate position on the movement path of the mold member configured to be movable along a predetermined movement path, the expansion member is horizontally rotatably arranged at a position adjacent to one end side of the mold member, A suction table that supports in a predetermined state the welt end of a sock supplied to a fixed position by an appropriate supply means, and a suction table that is capable of coming into contact with and separating from the upper surface of the suction table. comprising means for forcibly opening the welt end opening, and a pair of expansion tools configured to be able to reciprocate between the upper surface position of the suction table and the mold member, and configured to be able to close and expand; and the insertion member has a pair of insertion belts arranged on both sides in the longitudinal direction of the mold member and rotating and running in synchronization with each other, and the insertion belt is connected to a first belt that does not hinder movement of the mold member.
1. A sock insertion device characterized in that the sock insertion device is configured to be swingable between a first position and a second position in contact with both side surfaces of a mold member.