CN206188962U - Take novel spinning frame in groove tied in a bundle to sell down - Google Patents

Abstract

The utility model relates to a novel spinning frame lower pin with a cluster groove, which belongs to the technical field of textile processing. The utility model is an improvement to the lower pin of the spinning frame. By setting a bell-shaped cluster groove on the curved plate of the lower pin of the spinning frame, according to the method of reducing hairiness in compact spinning and the principle of force from the fiber drafting area, when When the strands pass through the top of the notch of the cluster groove, they will be subjected to the pressure of the upper pin, causing the strands and the lower apron to have a dynamic change of simultaneous sinking and contraction. Therefore, without changing the longitudinal friction of the sliver, the lower pin of the spinning machine can effectively improve the transverse friction of the sliver, strengthen the control of the fibers in the free zone, and prevent the fibers from being transferred laterally, thereby The fibers are well controlled. It reduces the side hairiness of the spun yarn, improves the quality of the yarn, and can also reduce the occurrence of broken ends in the twisting triangle area and improve the unevenness of the yarn. The utility model has the advantages of reasonable structure, convenient operation and easy popularization and use in a large area.

Description

A New Bottom Pin of Spinning Frame with Gathering Groove

technical field

The utility model relates to a novel spinning frame lower pin with a cluster groove, which belongs to the technical field of textile processing.

Background technique

Hairiness is one of the important indicators to measure yarn quality. Yarn hairiness not only affects the production efficiency of weaving, knitting and other post-processes, but also affects the appearance quality of final products, especially today when high-speed shuttleless looms are commonly used, reducing yarn Thread hairiness is of great significance. Because the hairiness occurs in the spinning process, reducing the hairiness of the spinning yarn is the basis and key to reducing the hairiness, and because the hairiness is mainly caused by the irregular movement of some fibers during the drafting process due to insufficient control of the fiber strands in the drafting zone, Therefore, the utility model improves the device in the drafting area.

Although the use of compact spinning technology can significantly reduce yarn hairiness, the entire negative pressure compact spinning system has a complex structure, high production and operating costs, inconvenient operation and maintenance, and high requirements for workshop environment and management. Moreover, negative pressure The airflow exhausted by the fan has a great impact on the workshop. The ordinary lower pin has no notch on the lower pin surface, it can only play the role of supporting the fiber and generating a certain longitudinal friction force, which cannot meet the horizontal friction force required for high-quality production, and is not very good for the edge fibers of the sliver. Good control, so that the spun yarn is too ordinary in terms of hairiness, evenness, strength, etc., and lacks market competitiveness.

Contents of the invention

Aiming at the deficiencies of the prior art, the purpose of this utility model is to provide a new type of spinning frame lower pin with a cluster groove. In order to achieve the above purpose, the technical solution of the utility model is:

A new spinning frame bottom pin with a cluster groove, comprising a spinning frame bottom pin consisting of a bottom pin curved plate, a bottom pin plate, and a bottom pin bracket, and two or more are added on the surface of the bottom pin curved plate of the spinning frame bottom pin Evenly distributed cluster grooves, the cluster grooves are in the shape of a bell mouth, and the cluster grooves are perpendicular to the length direction of the lower pins of the spinning frame.

The width of the notch of the cluster groove is 8-14mm.

The width of the groove bottom of the cluster groove is 3-6 mm.

The depth of the cluster groove is 0.75-1.25mm.

Due to the adoption of the above technical scheme, compared with the prior art, the advantage of the lower pin of the new spinning frame with the cluster groove of the present invention is that the present invention improves the device at the lower pin position where the strands in the front drafting zone pass, Grind out a cluster groove in the shape of a bell mouth on the lower pin curved plate. When the sliver passes through the top of the notch of the cluster groove, the pressure of the upper pin will cause the sliver and the lower apron to have a dynamic change of sag and contraction at the same time. Therefore, without changing the longitudinal friction force of the strands, the lower pin of the new spinning frame can effectively increase the transverse friction force of the strands, strengthen the control of the fibers in the free zone, and prevent the fibers from being transferred laterally, thereby The fibers are well controlled. It reduces the side hairiness of the spun yarn, improves the quality of the yarn, and can also reduce the occurrence of broken ends in the twisting triangle area and improve the unevenness of the yarn. The utility model has the advantages of reasonable structure, convenient operation and easy popularization and use in a large area.

Description of drawings

Fig. 1 is the structural representation of the utility model.

FIG. 2 is a side view of FIG. 1 .

detailed description

Below in conjunction with accompanying drawing, a kind of novel spinning frame lower pin with cluster groove of the present utility model is described in further detail.

see Attachment.

The utility model is an improvement to the lower pin of the spinning frame composed of the lower pin curved plate 2, the lower pin flat plate 3 and the lower pin bracket 4. The method is to add two The clustering grooves 1 evenly distributed above are in the shape of a trumpet mouth, and the clustering grooves 1 are perpendicular to the length direction of the lower pin of the spinning frame, and the clustering grooves 1 correspond to the output jaws of the front rollers of each strand respectively.

The width of the notch of the converging groove 1 is 8-14mm.

The width of the groove bottom of the cluster groove 1 is 3-6mm.

The depth of the cluster groove 1 is 0.75-1.25 mm.

The relevant dimensions of the cluster grooves can be adjusted according to the yarn being spun.

Working principle of the utility model

Install the lower pin of the spinning frame with more than two evenly distributed converging grooves 1 on the spinning frame through the lower pin bracket 4, the aprons are respectively set on each converging groove 1, and the roving strands are drawn from the apron above the converging groove 1 The surface passes through, and the cluster groove is in the shape of an inverted splayed bell mouth. The roving enters the middle roller from the rear drafting area. With the movement of the upper and lower aprons, the fiber strands will move forward with the apron, and finally be drawn by the front roller. Stretch out the nip of the front roller to form a twisting triangle, which is spun into yarn. When the strands pass through the upper apron of the cluster groove 1, they are under the pressure of the upper pin, and the strands and the lower apron have a dynamic change of sinking and shrinking at the cluster groove 1 at the same time, and the strands are gathered together to prevent the fibers from being irregular Lateral movement reduces the width of the twisting triangular area, which is beneficial to the smooth progress of spinning and reduces the occurrence of side hairiness, improving the yarn breakage rate and unevenness.

We used cotton roving for trial spinning. The basis weight of the roving was 3.09g/10m, the draft ratio was 20 times, and the parameters of the lower pin were as follows: the width of the groove is 8mm, the width of the groove bottom is 4mm, and the depth of the groove is 1mm. The experimental results show that the CV value of 3 mm hairiness decreases by 2%, the CV value of evenness decreases by 1.9%, and the strength increases by 17.6%. Therefore, it can be seen that the improvement of the yarn quality by the utility model device is more obvious.

Claims (4)

1. sold under a kind of new ring spinning frame with boundling groove, including by lower pin bent plate (2), lower pin flat board (3), lower pin support (4) Sold under the spinning frame of composition, it is characterised in that：It is uniform two or more to be set up on the surface of the lower pin bent plate (2) sold under spinning frame The boundling groove (1) of distribution, boundling groove (1) in bell mouth shape, the length direction that boundling groove (1) is sold under spinning frame.

2. sold under a kind of new ring spinning frame with boundling groove as claimed in claim 1, it is characterised in that：Described boundling groove (1) width of notch is 8~14mm.

3. sold under a kind of new ring spinning frame with boundling groove as claimed in claim 1, it is characterised in that：Described boundling groove (1) width of bottom land is 3~6mm.

4. sold under a kind of new ring spinning frame with boundling groove as claimed in claim 1, it is characterised in that：Described boundling groove (1) depth is 0.75~1.25mm.