SU1726586A1 - Shedding motion of shuttleless loom for weaving openwork fabrics - Google Patents

Abstract

The invention relates to the textile industry, in particular, to the yawning mechanisms of shuttleless weaving machines for the production of openwork fabrics, and reduces the breakage of the yarns by reducing the tension of the stitching threads at the time of the transition of the dummy helix eyes relative to the stitching threads. The shedding mechanism contains shafts connected by means of tg and double-arm levers with a shedding drive. It has a means of transferring the remise to the position of a spring and a finger, the latter is built into one of the shoulders of the two shoulders of the heddle and is in contact with the two shoulders of the levers, and the spring is connected to the frame with the other end and connected to the finger with the other end. In addition, the finger is mounted eccentrically and is positioned with the possibility of adjusting its position on the shoulder of the two shoulders. 2 hp f-ly, 2 ill. WITH

Description

The invention relates to the textile industry, in particular, to the shedding of the yawning mechanisms of shuttleless weaving looms for the production of openwork fabrics.

The aim of the invention is to reduce the breakage of the yarns by reducing the tension of the staple yarns.

FIG. 1 shows a diagram of the mechanism; in fig. 2 - position of shafts in different phases.

On the shaft 1, the cams 2 are installed, in contact with the rollers 3, located on the three-arm lever 4. The levers 4 through

Leads 5, double-arm levers & (B1), rods 7, angular levers 8, and plugs 9 are connected to healings for leasing threads 10 (101). Each galevo 11, carrying a winding thread 12 in the eyes, is connected by ends with upper galley carriers of the shims 10 and 101. The stitch thread 13 passes over the galevy 12 and is pierced into the eye of the shark 14 hedges for the stitch threads 15. Remizka 15 respectively through the ty 9, angular levers 8, the rod 7 is connected to the double-arm lever 16. The transfer tool for the stand-up shaft 15 in the position of the spade is made in the form of a finger 17 and a spring 18. The finger 17 is rigidly seated on the lever 16 and is in contact with the arms of the levers

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Yu

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6 (b1) shafts 10 (U1). Spring 18 at one end connected to the finger 17, and the other end attached to the frame of the loom.

By shifting the finger 17 into the hole 19 of the lever 16, the amount of movement of the shims 15 from the spike line to the lowest position is changed. In addition, the finger 17 is mounted eccentrically on the lever 16 (not shown). This allows you to adjust the position of the staple yarns relative to the weft plotter as it moves through the throat. The length of the vertical arm of the lever 4 regulates the amount of movement of the shafts 10 and Yu1.

Seduction mechanism works as follows

The cams 2 rotate and transmit movement through the levers 4, ti gi 5, levers 6 (B1), rods 7, levers 8, ti g 9 to shafts 10 (Yu1). Remizki 10 and Yu1 work in plain weave mode.

Remizka 15 receives movement from lever 6 (B1) through finger 17, spring 8, lever 16 and the corresponding links 7, 8, 9. The pattern of movement of the shim 15 is as follows: the initial (lower) position, the movement to the spade line and the movement to the original (lower position. Up to the line of intersection, shaft 10 leads shaft 15 (position I in FIG. 2) by turning the lever B1 clockwise, in the same direction the lever 16 is rotated through the pin 17 and spring 18. In position II the eyes of the galey 11 and 14 shafts 10, 10, and 15 are on the spade line, respectively, at this moment in one levers 6, 61 and 16. By continuing clockwise movement, lever 61 moves away from finger 17. At the same time, lever 6, turning counterclockwise, leads lever 16 in the same direction through finger 17, while the spring 18 is stretched, with the result that the shafts 10 and 15 are located in the lower position (position III).

For the formation of openwork fabrics, the warp threads 12 are located on the left.

(position I) and to the right (position III) with respect to the staple yarn 13, Shift 15 at the interlocking position (position II) improves the transition conditions of the winding yarns 12 with respect to the staple yarn 13. In addition, the deformation of the suture yarns 12 is reduced due to reducing the amount of movement of shafts 10 and U1 (reducing the throat height).

The proposed mechanism is easy to maintain and simple in design, since it excludes the options for using an additional drive (cams, three-shoulders levers, r d) for stand-up hedges.

Claims (3)

1. A yarn-forming mechanism of the shuttleless loom for the production of openwork fabrics, containing shims for the yarn, associated with a drive through double-shouldered levers on the same axis, and g, and a shim for stand-alone yarn, characterized in that in order to reduce clinging yarns by reducing the tension of the staple yarns, the heddle for the staple yarns is driven, the latter is made in the form of a two-arm lever mounted on the axis of the two shoulders of the helix levers for lengthening yarns connected to O yarns ,, and having a finger mounted so as to contact with the two-armed levers of the heald frames for leno yarns, and has a spring finger having one end connected to the finger, and the other housing -c mechanism to urge the finger to a two-armed levers of the heald frames for leno yarns. 2. The mechanism according to claim 1, characterized in that the finger of the two shoulders of the heddle for stitches has the ability to rearrange it to change the size of the heddle stroke. 3. Mechanism on PP. 1.2, characterized in that the finger is made eccentric for adjusting the position of the helix for the staple threads in the spade.