CN220202124U - Roving locator capable of traversing - Google Patents

Abstract

The utility model relates to a roving positioner capable of traversing, and belongs to the technical field of textile machinery accessories. The movable part comprises a movable shaft, a roll shaft, a mounting bearing and a pressing plate, wherein the two ends of the movable shaft are installed in the mounting groove through the mounting bearing, the pressing plate is arranged on the mounting groove at the top of the mounting bearing, and the roll shaft is fixedly installed on the movable shaft between the mounting bearings. The roller shaft is arranged in the stepped mounting groove, so that sliding friction occurs between the roller shaft and the yarns, and hairiness caused by yarn hanging is effectively avoided, and yarn forming quality of spun yarns is affected; the yarn can take place the transverse movement of certain distance on the roller to it is spacing to the stroke of yarn through the limiting disc, makes the yarn passageway width of leather roller and apron increase, has effectually prolonged the life of leather roller and apron.

Description

Roving locator capable of traversing

Technical Field

The utility model relates to a roving positioner capable of traversing, and belongs to the technical field of textile machinery accessories.

Background

At present, when spinning cotton yarn of a spinning frame, rough yarn can shake between a rear roller and a front roller and easily rub with other components to generate hairiness and hanging flower, and in order to ensure spinning progress and yarn quality, a rough yarn positioner is usually arranged at the rear end of an upper pin between the rear roller and the front roller to position the rough yarn so as to avoid larger deviation and shaking of the rough yarn in the spinning process and influence the yarn forming quality of the spun yarn. The existing roving positioner usually utilizes the groove to limit the roving, so that the roving is kept at the central position of the groove, but the following problems are found in the use process of the roving positioner: 1. the restriction of the grooves to the roving makes the roving keep fixed between the upper pin and the rear roller, so that the width range of a yarn channel where the leather roller of the rear roller and the leather collar of the upper pin are contacted with the yarn is smaller, abrasion and grooving damage are easy to occur, and the service lives of the leather roller and the leather collar are reduced; 2. because the yarn can contain less impurity, and the roving locator is plastic material, the roving can be with recess bottom fish tail at the long-term sliding friction's in-process with the recess bottom, makes recess bottom unevenness, and the roving hangs the flower and influences the quality of yarn that becomes in the recess bottom.

Disclosure of Invention

The utility model aims to provide the transversable roving positioner which has a simple structure, can be used for small-amplitude traversing of the roving, effectively prolongs the service life of the leather roller and the leather collar, generates rolling friction with the roving, is convenient to replace so as to ensure the quality of finished yarn, solves the problems that after the existing roving positioner limits the roving, yarn channels of the leather roller and the leather collar are easy to wear and be damaged by grooving, the service lives of the leather roller and the leather collar are reduced, the bottom of the groove is scratched by sliding friction between the roving and the bottom of the groove, and the quality of finished yarn is easy to be affected by hanging.

The technical scheme of the utility model is as follows:

the utility model provides a roving locator that can walk, it comprises locator body and moving part, its characterized in that: the two ends of the locator body are symmetrically provided with mounting grooves, movable pieces are movably mounted in the mounting grooves and are composed of movable shafts, roller shafts, mounting bearings and pressing plates, the two ends of each movable shaft are mounted in the mounting grooves through the mounting bearings, the pressing plates are arranged on the mounting grooves at the tops of the mounting bearings, and the roller shafts are fixedly mounted on the movable shafts between the mounting bearings.

The mounting groove be the ladder groove, the bottom of mounting groove corresponds with the installation bearing and is provided with the arc indent, is provided with slipmat A on the arc indent.

The bottom of the pressing plate is provided with an arc-shaped upper concave corresponding to the mounting bearing, an anti-slip pad B is arranged on the arc-shaped upper concave, a counter bore is formed in the top of the pressing plate on one side of the arc-shaped upper concave, and a fastening bolt is inserted into the counter bore.

Limiting plates are fixedly arranged at two ends of the roll shaft.

The diameter of the limiting disc is smaller than the width of the mounting groove.

The beneficial effects of the utility model are as follows:

the roving positioner capable of traversing limits the mounting bearing through the arc-shaped upper concave and the arc-shaped lower concave so as to ensure the stability of the movable shaft in the mounting groove; the roller shaft is arranged in the stepped mounting groove, so that sliding friction occurs between the roller shaft and the yarns, and hairiness caused by yarn hanging is effectively avoided; the yarn can take place the transverse movement of certain distance on the roller to it is spacing to the stroke of yarn through the limiting disc, makes the yarn passageway width of leather roller and apron increase, and effectual life who has prolonged leather roller and apron solves current roving locator and is spacing the back to the roving, and easy wearing and tearing, the fluting and damage have reduced the life of leather roller and apron, and roving and recess bottom sliding friction are with the bottom fish tail of recess, easily the problem of the yarn quality of hanging flower influence, specially adapted cotton spinning frame.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic rear view of the present utility model;

FIG. 3 is a schematic side view of the present utility model;

FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 1;

FIG. 5 is a schematic view of a movable member according to the present utility model;

fig. 6 is a schematic sectional view of the structure of fig. 5 in the direction B-B.

In the figure: 1. a locator body; 2. a plug; 3. a mounting groove; 4. arc-shaped concave; 5. a non-slip mat A; 6. a movable shaft; 7. a roll shaft; 8. mounting a bearing; 9. a pressing plate; 10. the arc is concave upwards; 11. a non-slip mat B; 12. a limiting disc; 13. countersink; 14. and (5) fastening a bolt.

Detailed Description

This roving locator that can transversely walk comprises locator body 1 and moving part, locator body 1 comprises panel and plug 2, the panel is bat form, the top of panel is provided with plug 2, locator body 1 passes through plug 2 cartridge and installs the rear end at last round pin, spacing to the roving between rear roller and last round pin, the back of panel is provided with a plurality of reinforcing bars, in order to improve the steadiness of locator body 1 structure, the surface symmetry at the both ends of locator body 1 is provided with mounting groove 3, mounting groove 3 corresponds with the horn mouth of roving on the spinning frame, so that the yarn passageway of roving passes through mounting groove 3, mounting groove 3 is the ladder-shaped groove, the bottom of mounting groove 3 is provided with arc indent 4, be provided with slipmat A5 on the arc indent 4, movable mounting has the moving part in the mounting groove 3, the moving part comprises loose axle 6, roller 7, mounting bearing 8 and clamp plate 9, the both ends movable mounting bearing 8 are provided with, mounting bearing 8's inner ring and loose axle 6 fixed connection, the installation bearing 8's is installed in mounting groove 3 and is installed at the slipmat 5, the outer ring is prevented from taking place between the slipmat 5 and the slipmat is installed to the outer ring, the frictional resistance is avoided the frictional contact to take place in the arc indent 4.

The mounting groove 3 at the top of the mounting bearing 8 is provided with a pressing plate 9, the bottom of the pressing plate 9 is correspondingly provided with an arc-shaped upper concave 10 with the mounting bearing 8, the arc-shaped upper concave 10 is provided with an anti-slip pad B11, the outer ring of the mounting bearing 8 is extruded and clamped through the cooperation of the anti-slip pad B11 and the anti-slip pad A5, the friction resistance of the outer ring of the mounting bearing 8 is increased, the top of the pressing plate 9 at one side of the arc-shaped upper concave 10 is provided with a counter bore 13, a fastening bolt 14 is inserted in the counter bore 13, a bolt hole is formed in the positioner body 1 corresponding to the fastening bolt 14, the pressing plate 9 is fixedly installed on the positioner body 1 through the fastening bolt 14, and the outer ring of the mounting bearing 8 is limited through the bottoms of the pressing plate 9 and the mounting groove 3.

The roller shaft 7 is fixedly arranged on the movable shaft 6 between the mounting bearings 8, under the action of relative rotation of the inner ring and the outer ring of the mounting bearings 8, the roller shaft 7 rotates by taking the movable shaft 6 as the axis under the driving action of the roving, rolling friction is generated between the roller shaft 7 and the roving so as to reduce the influence of sliding friction on the roving, meanwhile, the roller shaft 7 is in a straight cylinder shape, the roving can transversely move on the roller shaft 7, the width of a yarn channel of the leather roller and the leather ring is increased, the service life of the leather roller and the leather ring is effectively prolonged, the limiting discs 12 are fixedly arranged at two ends of the roller shaft 7, the limiting discs 12 are used for limiting the roving, the roller shaft 7 and the mounting groove 3 are prevented from being clamped by moving to a gap between the roller shaft 7 and the mounting groove 3 when the roving transversely moves on the roller shaft 7, the diameters of the roller shaft 7 and the limiting discs 12 are smaller than the width of the mounting groove 3, and the purpose is to avoid excessive pressing of the roller shaft 7, and the length of the roving, which is contacted with the rear roller and the upper pin, the yarn is increased, and the yarn quality of the spun yarn is influenced by the hairline.

Before the roving locator is used, the movable shafts 6 with the mounting bearings 8 mounted at the two ends are placed in the mounting grooves 3, then the mounting bearings 8 are covered with the pressing plates 9, the pressing plates 9 are in abutting connection with the outer rings of the mounting bearings 8, the fastening bolts 14 are mounted in the counter bores 13 of the pressing plates 9, the pressing plates 9 are fixed on the locator body 1, therefore, the movable parts are assembled, after the movable parts are assembled, the locator body 1 is clamped at the rear ends of the upper pins through the plugs 2 for use, the movable parts can be taken out for replacement and cleaning through the dismounting pressing plates 9 in the daily production and maintenance process, and the influence of adhering greasy dirt or impurities on the roller shafts 7 on the roving is avoided after long-term use.

When the roving positioner works, the roving sequentially passes through the gap between the rear roller and the rear roller leather roller and between the roller shaft 7 and the upper pin leather ring and the lower leather ring from the horn mouth, wherein the roller shaft 7 supports and presses the roving, so that the roving has certain tension, and the roving drives the roller shaft 7 to rotate on one hand and transversely moves on the roller shaft 7 between the limiting plates 12 on the other hand in the process of being pulled.

The roving positioner capable of traversing limits the mounting bearing 8 through the arc-shaped upper concave 10 and the arc-shaped lower concave 4 so as to ensure the stability of the movable shaft 6 in the mounting groove 3; by installing the roll shaft 7 in the stepped installation groove 3, sliding friction occurs between the roll shaft 7 and the yarns, so that hairiness caused by hanging the yarns is effectively avoided; the yarn can take place the transverse movement of certain distance on roller 7 to it is spacing to the stroke of yarn through spacing dish 12, makes the yarn passageway width of leather roller and apron increase, effectually prolonged the life of leather roller and apron, solves current roving locator and is spacing the back to the roving, wearing and tearing easily, the fluting and damage, has reduced the life of leather roller and apron, and roving and recess bottom sliding friction are with the bottom fish tail of recess, the easy problem of hanging flower influence yarn quality.

Claims (5)

1. The utility model provides a roving locator that can walk, it comprises locator body (1) and moving part, its characterized in that: the two ends symmetry of locator body (1) are provided with mounting groove (3), movable mounting has the moving part in mounting groove (3), the moving part constitute by loose axle (6), roller (7), installation bearing (8) and clamp plate (9), the both ends of loose axle (6) are installed in mounting groove (3) through installation bearing (8), are provided with clamp plate (9) on mounting groove (3) at installation bearing (8) top, are equipped with roller (7) on loose axle (6) between installation bearing (8) admittedly.

2. The traversable roving positioner of claim 1, further comprising: the mounting groove (3) is a stepped groove, the bottom of the mounting groove (3) and the mounting bearing (8) are correspondingly provided with an arc-shaped concave (4), and the arc-shaped concave (4) is provided with an anti-slip pad A (5).

3. The traversable roving positioner of claim 1, further comprising: the bottom of the pressing plate (9) is provided with an arc-shaped upper concave (10) corresponding to the mounting bearing (8), the arc-shaped upper concave (10) is provided with an anti-slip pad B (11), the top of the pressing plate (9) on one side of the arc-shaped upper concave (10) is provided with a counter bore (13), and a fastening bolt (14) is inserted into the counter bore (13).

4. The traversable roving positioner of claim 1, further comprising: limiting plates (12) are fixedly arranged at two ends of the roll shaft (7).

5. The traversable roving positioner of claim 4, further comprising: the diameter of the limiting disc (12) is smaller than the width of the mounting groove (3).