JPS60146052A - Circular machine for producing tubular product performing continiuous unidirectional motion and apparatus for forming knitted pocket thereby and machine equipped thereby - 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 The present invention relates to a device for forming inlay pockets by means of a circular machine for the production of tubular products with continuous unidirectional movement and to a circular machine with such equipment. .

Joint patentee's invention special it'F (application number 9454A
/82), it rotates around the cylinder of the hook with variable speed movement, but in order to replenish the needle with the arc of the needle that passes in front of it each time it rotates, it stops corresponding to the position where the first rumble is formed, and then the second 2
It passes over the pattern needle until it corresponds to the stitch formation position and from there it advances at a constant speed exceeding the speed of the cylinder of the needle and finally makes one revolution v): fed by an auxiliary thread guide and stopping at the initial position and at a constant speed. A method is known for forming knitted moon pockets in a tubular lining by means of a circular knitting strand with continuous rotational movement, which consists in providing supplementary yarn for certain transverse stitches. .

In addition, the invention patent of the same joint patentee (application number 9509)
A/83), the above-mentioned invention patent (Application No. 943
4A/82) is also known for replenishing yarn from an auxiliary yarn guide for forming partial transverse stitches @2.

The main object of the present invention is to obtain a reliable, versatile and low-cost circular machine which is extremely simple and efficient;
For carrying out the method of application number 9434A/82),
There are different different devices to suggest.

To reach this result, in accordance with the invention, two working contours, one opposing cam and one pallet are provided,
A position located outside and concentrically with the cylinder of the needles, which restrains the previously placed needles to form a partial cross-knit 1], and whose descent with each revolution places an auxiliary thread guide behind. , where one of the two contours of the cam allows the first lowering of the pattern needle and the needle forms the first partial transverse stitch before being accelerated and passing over the pattern needle into the auxiliary thread guide. The pallet remains behind where the pallet lifts the needle from the holding level to the release level and the second contour of the cam causes a second lowering of the needle so that the needle forms a second partial transverse stitch and the final It is sufficient to adopt the idea of using the following two types of actuation system or descending system using the cam, which rotates at variable speeds in accordance with the cylinder so that it is accelerated by the cam and returns to the initial position after one revolution and stops. .

The advantages obtained thanks to the invention are mainly that various products can be obtained by means of pockets of various shapes, sizes and positions, continuous threads and the unidirectional movement of the circular machine; Socks with toes and heels (socks with a half piece of cloth for socks with a square piece of cloth sewn on the crotch area, similar to the slip) that a pocket with a larger number of spun yarns of various properties, delicacies and colors is obtained; that for the formation of the tubes up to 4 feedings are carried out; and for the formation of the stitch pockets 2
Availability of circular machines with single or double needle cylinders for multiple supplementary feedings or two supplementary feedings, selection of needles to obtain pockets with patterned fabric, alternating motion circular machines. It is possible to obtain much higher and much longer production times than is available today, to obtain a product of optimum quality, and to have an extremely low price which is competitive enough to withstand the competition because of its relatively simple and compact construction. It consists in being able to be equipped with a circular knitting machine.

These and other advantages and features of the invention include:
It will be better understood by any person skilled in the art from the following description and by reference to the accompanying drawings, which are given as an example of the invention and are not to be taken in a limiting sense. .

The device for forming knitted pockets by continuous movement of a circular machine for producing tubular products according to the invention, narrowed down to its essential structure and with reference to the accompanying drawings, comprises the following:

It has a cam (201) with dual rims (211, 212) having the function of activating two distinct ways of lowering the needle, and is located outside the needle cylinder (1) and A concentric hanging (200), an opposite cam (202L) below the cam (201), and a cam (201) in the direction of rotation.
) directly opposite the needle) and having the function of raising the needle from the holding level to the releasing level) (203). Above the plywood/・The sag connected to the using (53) is
The contour (211) of the cam (201) stops at (g) in FIG. and thus also make it possible to form the first partial transverse stitch, which is then accelerated up to C1 in FIG.
Movement - J degree is reached, and from this point it advances at a constant speed to (0) in Figure 4, and crosses the needle of the partial arc with Part 1.
The knot (203) cooperates with the contour (212) of the cam (201). After the descent of the pig ↑, t, i! ! 1' rise and thus form the second partial lateral i (4th position) and finally decelerate from position H(c) to 41゛4 (return to AJ and 1'> stop). As in, Hnr
It rotates in unison with the cylinder (1) in only one direction with a pre-shift movement.

The needle is movable in half a direction with respect to the cylinder of the needle by means of known steps f, changing the distance from the cylinder and thus forming the pocket (
The needle can be restrained with different partial arcs of the needle, for example with respect to the heel or toe with a closure on the lower part of the foot (for example in a sock).

And the circular machine for manufacturing tubular products equipped with the nuclear device includes:

radially arranged on the head of the cylinder (9) and flat body (9
2) an auxiliary yarn guide (98) located below and rotated by a hollow shaft (97) passing inside the vertical axis of the flat body (92); The cavity of the 1ldl (97) is used for passing the pocket-forming thread and for air to be sucked in through a small opening (100) provided for activating the auxiliary thread guide.

The rotation of the auxiliary thread guide (9B), which coincides with the rotation of the cylinder (1), occurs at the point in FIG. It stops and then accelerates significantly until it reaches the cormorant in Figure 4, and from there it advances at a constant speed until it reaches Figure 4 (C), supplies the second replenishment line, and finally moves from position (q to This is done with intermittent variable speed movement so that it is decelerated and stops at the initial position +u (Al).

#1 or the auxiliary thread guide (98), as is already known, has a mouth that projects outward from the needle head when the machine is running, and a small mouth (98) when the machine is stopped. 100) and is movable radially relative to the cylinder (1) so as to be located in the immediate vicinity of the cylinder (100).

It is self-evident that the auxiliary thread guide (98) can be combined with one or several similar thread guides arranged one above the other or side by side to enable feeding by a plurality of heads. It is.

Circular machines for producing tubular products also include:

for each revolution of the cylinder (1) by one of the contours (211) of the cam (201) for the first lowering and by the pallet (205) for the subsequent raise from retention to release; Cam (201) for the second descent
Several tongue-shaped two-stage θ country needles distributed along the partial arc of the needle provided for the formation of pockets, each having an upper stage constrained by the other contour (212) of the needle. Different partial arcs (belong to, in other words, the same number!) The different stitch pockets of the relics are formed by the cylindrical piece (5).
) is pre-positioned at the corresponding distance from the sag (
200) of different lengths selected by the upper tier (130
)have.

Furthermore, the circular machine for manufacturing tubular products also includes:

The main gears (221, 225) on the shaft (220) and the shaft (22
3) Upper satellite gears (222, 224) and driving shaft (251)
) and the edge of the cam (228) keyed to the spring (246
) with a planetary gear coupling link (226) with rollers (227) forced into contact by a planetary gearing with an axis coinciding with the droop (200) and at the same time an auxiliary yarn guide with the intermittent variable speed movement mentioned at the beginning. (98) A gear system that achieves unidirectional rotation in accordance with the rotation of the cylinder (1). The motion guided by the cylindrical link (229) through the gear (230) keyed to the shaft (231) is
Clutch (2, 52) and gear C255, 254, 2
34') to the main gear (221) of the planetary gear train. And the same planet tn (Fj? b'?
-) Main IA9 Tun (225) Ic Yacht, fR vehicle (2
35, 235, 256, 256) through the transmission shaft (237
), and from now on through the 1η car (258) and the drip (20
0) is transmitted in the 1st order. In addition to this, the motion is along the axis (
237) Nu・ra, bow! II (257) J2 main gear (2!19,241), satellite 1 curse wheel (240,242) on ll1h (245), and planetary tooth B4j connection link (
245)-, gears (241), and toothed belts (246)
It is transmitted to the shaft (97) of the C1 auxiliary yarn guide (9th) through a planetary gear system that rotates the shaft coincident with the shaft (97).

The planetary gear connection link (226) of the first planetary gear device is
The transmission ratio of the gear system is a value determined by the number of gear teeth (equal to 1), and displacement of the planetary gear link in either direction allows movement in two directions with respect to the central position, which is positive or negative. The instantaneous position of the planetary gear coupling link (226) depending on the position of the row 9 (227) on the cam (228) then determines the instantaneous fastening of the droop (200) and the auxiliary thread guide (98). Similarly, the axis (23
7) of the second planetary gear train, which has two possible operating positions determined by the contact of the roller with a cam fixed to the cam, but is not shown for simplicity.
245) determines the instantaneous position of the auxiliary thread guide (behind or in front) with respect to the droop.

Instead of the back and forth movement of the planetary gear coupling link (226), a snail-like or irregular Archimedean spiral profile and several rollers (227) of the planetary gear coupling link (226) can be Provision is made for unidirectional, variable speed, discontinuous movement using a cam (228) with two restraining edges.

For the purpose of increasing the dogness of the stitch pockets and also the number of double supplements, the droop (20(1)) is exercised to slow down or stop while knitting partial horizontal stitches. , provision is made to rotate the needle cylinder at a variable, non-constant speed.

In any case, without going beyond the scope of the adopted solution,
Therefore, while also remaining within the limits of the protection granted by this patent to industrial inventions, the details of implementation may vary depending on the shape, shape,
Variations may be made in an equivalent manner with respect to dimensions, arrangement of elements, and properties of the materials used.

[Brief explanation of the drawing]

FIG. 1 is an exploded plan view of a sag according to the invention when not in operation. FIG. 2 shows the droop of FIG. 1 in the working phase, while stopping and forming the first partial transverse stitch. FIG. 5 shows the droop of FIG. 1 in the working phase while forming a second partial transverse stitch while moving. FIG. 4 has a cam in the center for implementing relative velocity;
The different speed sections of one rotation of the droop and auxiliary thread guide are shown. Figure @5 is a vertical axial cross-section of a circular knitting machine equipped with a device according to the invention. FIG. 6 is a plan view of a detail of the timing device of the auxiliary thread guide combined with the droop according to the invention. FIG. 7 is a plan view of a stop device for controlling the droop and rotation of the auxiliary thread guide according to the invention. 8 is an exploded cross-sectional view of a portion of the apparatus of FIG. 7; FIG. FIG. 9 is an exploded cross-sectional view of the remaining device of FIG. 7. 1...Cylinder 3...Needle 98...Auxiliary thread guide 200...Drop 201...Cam 202...Opposite cam 203...Pallet 211.2i2...Working contour 221... Main gear 222...Satellite gear 223...Axle 224...Ji star gear 225...Main gear 226...Planetary gear connection link 227...Roller 228...Sword 229...Cylindrical connection link 250...Gear 251...Shaft 252...Clutch 235, 234.234...Gear 235, 255.256.236...Gear 237...
・Transmission shaft 258...Gear 259...Main gear 240...Satellite gear 241...Main gear 242...Satellite gear 243...Shaft 245...Planetary gear connection link 246...Teeth Belt attached Figure 6 Figure 7 Ria Country A: @ Applicant Ugolini Giuliano Ita IJ Country A: Pisa Via Boggio Aisola 49 Po: Lusa Pisa Via Boggio Aisola 49 Poo Lusa Procedure Amendment Written Type) May 1982 Kazuo Wakasugi, Commissioner of the Japan Patent Office, September 23, 1998, Patent Application No. 070173, 2, Title of the Invention: Forming a stitch pocket by a circular machine for manufacturing tubular products with continuous unidirectional movement device and machine equipped with the device 4, agent address: 1-31-3-6 Higashiikebukuro, Toshima-ku, Tokyo 170, subject to amendment (1) Engraving of the specification (no change in content) (2) Official Drawings (bar 31C Yukata na [) 7, contents of amendment (1) As per attached sheet (2) As per attached sheet

Claims (1)

[Scope of Claims] 1) An auxiliary thread guide is provided in front of the pocket former, characterized in that it comprises: once per rotation at rest and once during movement the needle is placed in front of the pocket former; replenish the supply of times,
This is a device that forms an omime pocket using a circular machine that moves continuously. Cam (201) with a0 dual-use edge 211.212)
a sag (200) located outside and concentric with the cylinder (1) of the needle, having an opposite cam (202) located below
), and a pallet (203) located rotationally forward with respect to the cam (201). The drip (200)
The cam (20
The edge (211) of 1) performs the lowering at the first stop of the needle (6) prepared for the formation of a pocket, then the droop (200
) is accelerated until it reaches position (b), and from this position it advances to (q) at a constant speed greater than the speed of cylinder (ri), and passes through the layer (5) and is palletized) (203). 5) from the holding level to the releasing level, and also causes the edge (212) of the cam (201) to lower during the second movement of the same needle, and then the droop (200) decelerates to the initial position ( 5). 2) When the working edge (211, 212) of the cam (201) is V
Claim 1 characterized in that they are arranged in a letter shape.
). 3) The sag (200) is radially displaceable with respect to the cylinder, restraining the needle (6) and forming partial transverse stitches distributed along several partial arcs of the cylinder (1). The apparatus according to claim 1, characterized in that the apparatus forms: (i) Claim 1) characterized by including the following:
A circular machine for making a tube-shaped product, which is installed in the apparatus described in any one or more of the items 1 to 3). a, For each rotation 1σ, the sag (200) first stops at Vo behind the sag (200) located at 4+hL, then accelerates to (1-1) and reaches 1't, J'' at lη. beyond,
It continues to rotate at the same speed as the drop (20 mouths) until it reaches (q), and then to FtR; At least one auxiliary thread guide (98) coinciding with this and rotating in phase with said droop (200); 1) distributed along one or several partial arcs of the needle cylinder (1); Several two-stage needles (3) for forming horizontal stitches. Additional means for rotating the C9 drop (200) and the auxiliary yarn guide (98) at variable speeds. d. The auxiliary yarn guide (98) position during each rotation,
Means for bringing the position of the drop (200) in phase. 5) Circular machine according to claim 4, characterized in that the upper stage (130) of the two-stage needle (5) has different heights along corresponding partial arcs of the cylinder. . 6) The first auxiliary thread guide (98) may be combined with one or several auxiliary thread guides placed one above the other or close to the sides for supplying a number of different threads. A circular machine according to claim 4). 7) The means for rotating the droop (200) and the thread guide (98) adjust the instantaneous position determined by the contact of the roller (227) of the planetary gear coupling link (226) with the edge of the cam (228). The main gear (221) is connected by a planetary gear connection link (226) that rotates alternately.
, 225) and a planetary gear train having axes (220, 225) coinciding with satellite gears (222, 224). 8) Circular machine according to claim 7, characterized in that the contour of the cam (22B) is predetermined in relation to the velocity diagram of the droop (200). 9) Nuclear planetary gear connection link (226) is unidirectional, variable speed,
It moves with a discontinuous rotational motion and its instantaneous position is determined by the contact of one of the several rollers (227) with the edge of the cam (22B) in the form of an irregular Archimedean spiral. A circular machine according to claims 7) and 8). 10) said means for bringing the auxiliary thread guide (98) in phase with respect to the droop (200) is determined by the contact of the rollers of the planetary gear coupling link (245) with a cam keyed to the shaft (257); Has instantaneous position and sag (200)
The planetary gear connecting link (2
The shaft (257
, 243), a circular machine according to claim 4). 11) Circular machine according to claim 10, characterized in that the contour of the cam is predetermined in relation to the velocity diagram of the droop (200). 12) The cylinder of the needle (1) rotates with a unidirectional, variable speed movement, rotates with deceleration, and sag (2) during the movement.
The circular machine according to claim 4), characterized in that the circular machine stops at the same phase of formation of partial horizontal stitches with 00). 13) A manufactured product obtained using a circular knitting machine equipped with equipment according to any one or more of claims 4) to 12).