阅读说明：本技术 整经机牵伸装置的压纱辊机构 (Yarn pressing roller mechanism of warping machine drafting device ) 是由 黄翠玉 胡卫红 黄以利 于 2019-07-03 设计创作，主要内容包括：本发明涉及一种整经机牵伸装置的压纱辊机构,所述牵伸装置为三辊型式,由压纱辊、轴承、轴承座、制动器、滑块、滑轨、横托臂、气缸、气缸座、限位角铁、限位螺栓和锁紧螺母组成,压纱辊上升时,气缸推动横托臂,带动轴承座上的滑块,以及压纱辊沿滑轨向上移动,压纱辊下降时,在气缸的作用下使压纱辊向下移动,压在两个牵伸辊上,纱线在压纱辊与两牵伸辊接触面之间通过,牵伸时,主动转动的两牵伸辊摩擦传动压纱辊转动,夹持牵引送出纱线,调节限位螺栓和锁紧螺母可调节压纱辊的下降位置,停车时,压纱辊的制动器制动。该机构设计紧凑,结构简单,调节方便,经济实用,进一步提高了整经的质量。(The invention relates to a yarn pressing roller mechanism of a drawing device of a warping machine, wherein the drawing device is of a three-roller type and comprises a yarn pressing roller, a bearing seat, a brake, a sliding block, a sliding rail, a cross supporting arm, a cylinder seat, limiting angle iron, a limiting bolt and a locking nut. The mechanism has the advantages of compact design, simple structure, convenient adjustment, economy and practicality, and further improves the warping quality.)

1. The utility model provides a warper drafting device's press yarn roller mechanism which characterized in that: the drafting device is of a three-roller type and comprises a yarn pressing roller (17), a bearing (16), a bearing seat (13), a brake (15), a slide block (12), a slide rail (14), a cross supporting arm (8), a cylinder (6), a cylinder seat (5), a limiting angle iron (10), a limiting bolt (9) and a locking nut (11), wherein the bearing (16) is arranged at two ends of a shaft of the yarn pressing roller (17) and placed in the bearing seat (13), the brake (15) is arranged at the part, extending out of the bearing seat (13), of two ends of the shaft of the yarn pressing roller (17) and connected with the bearing seat (13), the bearing seats (13) at the two ends are connected with the slide block (12) on the slide rail (14) on the symmetrical central line of the two drafting rollers (1) arranged on a left wall plate (7) and a right wall plate (3), the lower parts of the bearing seats (13) at the two sides are connected with the cross supporting arm (8), the lower, the cylinder (6) is fixed on the lower supporting block (4) through a cylinder seat (5), a limiting angle iron (10) is arranged below two ends of the transverse supporting arm (8) and respectively fixed on the left wall plate (7) and the right wall plate (3), a limiting bolt (9) and a locking nut (11) are arranged on the limiting angle iron (10), when the yarn pressing roller (17) ascends, the cylinder (6) pushes the transverse supporting arm (8) to drive the sliding block (12) on the bearing seat (13) and the yarn pressing roller (17) to move upwards along the sliding rail (14), when the yarn pressing roller (17) descends, the yarn pressing roller (17) moves downwards under the action of the cylinder (6) and presses on the two drafting rollers (1), the yarn (2) passes between the contact surfaces of the yarn pressing roller (17) and the two drafting rollers (1), when drafting, the two drafting rollers (1) which actively rotate rub and drive the yarn pressing roller (17) to rotate together, and the yarn (2) is clamped, pulled and sent out, the descending position of the yarn pressing roller (17) can be adjusted by adjusting the limit bolt (9) and the lock nut (11), and the brake (15) of the yarn pressing roller (17) brakes when the vehicle stops.

2. The calender draft device of claim 1, wherein: the lifting movement adopts a slide rail (14) and a slide block (12).

Technical Field

The invention relates to the field of textile mechanisms, in particular to a yarn pressing roller mechanism of a drafting device of a warping machine.

Background

In textile machinery, a drafting device of a warping machine has a plurality of types, particularly three-roller type, two rollers are fixed to rotate actively, one roller is movably pressurized to rotate passively, and the warping machine has better yarn traction capacity, but a yarn pressing roller mechanism is complex, the manufacturing difficulty is high, the debugging is inconvenient, the maintenance is difficult, the cost is high, the tension difference of yarn slices is large, and the warping quality and the popularization and the use of the warping machine are influenced.

Disclosure of Invention

The invention provides a yarn pressing roller mechanism of a drafting device of a warping machine, which uses a cylinder to push a bearing seat on a yarn pressing roller through a transverse supporting arm so as to enable a sliding block to move up and down along a sliding rail and pressurize, has simple structure, convenient adjustment and uniform tension of a drafting sheet yarn, and is economical and practical.

The technical scheme for realizing the purpose of the invention is as follows:

1. the utility model provides a warper drafting device's press yarn roller mechanism which characterized in that: the drafting device is of a three-roller type, a yarn pressing roller mechanism of the three-roller type comprises a yarn pressing roller, a bearing seat, a brake, a slide block, a slide rail, a cross supporting arm, a cylinder seat, limiting angle irons, limiting bolts and locking nuts, wherein the bearing arranged at two ends of the yarn pressing roller shaft is arranged in the bearing seat, the brake is arranged at the part of the shaft seat extending out of two ends of the yarn pressing roller shaft and is connected with the bearing seat, the bearing seats at two ends are connected with the slide block arranged on the slide rail on the symmetrical central line of the two drafting rollers on a left wall plate and a right wall plate, the lower parts of the bearing seats at two sides are connected with the cross supporting arm, the lower part of the middle part of the cross supporting arm is connected with the cylinder, the cylinder is fixed on a lower support baffle through the cylinder seat, the limiting angle irons are arranged below two ends of the cross supporting arm and are respectively fixed, the yarn pressing device comprises a sliding block, a yarn pressing roller, a cylinder, a clamping bolt, a locking nut and a brake, wherein the sliding block is arranged on a bearing seat, the yarn pressing roller moves upwards along a sliding rail, when the yarn pressing roller descends, the yarn pressing roller moves downwards under the action of the cylinder and presses on two drafting rollers, yarns pass between contact surfaces of the yarn pressing roller and the two drafting rollers, when the yarns are drafted, the two drafting rollers which rotate actively and frictionally drive the yarn pressing roller to rotate together, the yarns are clamped, pulled and sent out, the descending position of the yarn pressing roller can be adjusted by the adjusting limiting bolt and the locking nut, and when the yarn.

2. The yarn pressing roller mechanism of the warping machine drafting device is characterized in that: the lifting movement adopts a slide rail and a slide block.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a side view of the mechanism.

Fig. 2 is a front view of the mechanism.

Fig. 3 is a structural view of the mechanism.

In the figure: 1 drafting roller, 2 yarns, 3 right wallboards, 4 lower supporting blocks, 5 cylinder seats, 6 cylinders, 7 left wallboards, 8 transverse supporting arms, 9 limiting bolts, 10 limiting angle irons, 11 locking nuts, 12 sliding blocks, 13 bearing seats, 14 sliding rails, 15 brakes, 16 bearings and 17 yarn pressing rollers.

Detailed Description

As can be seen from figure 1, the yarn pressing roller mechanism of the warping drafting device of the invention is of a three-roller type and comprises a yarn pressing roller 17, a bearing 16, a bearing seat 13, a brake 15, a slide block 12, a slide rail 14, a cross supporting arm 8, a cylinder 6, a cylinder seat 5, a limit angle iron 10, a limit bolt 9 and a lock nut 11, wherein the bearing 16 is arranged at two ends of a shaft of the yarn pressing roller 17 and is placed in the bearing seat 13, the brake 15 is arranged at the part of the shaft seat 13 extending out of two ends of the shaft of the yarn pressing roller 17 and is connected with the bearing seat 13, the bearing seats 13 at two ends are connected with the slide block 12 on the slide rail 14 on the symmetrical center line of the two drafting rollers 1 arranged on a left wall plate 7 and a right wall plate 3, the lower parts of the bearing seats 13 at two sides are connected with the cross supporting arm 8, the lower part of the middle part of the cross supporting arm 8 is connected with the cylinder 6, the cylinder 6 is, the yarn pressing device is characterized in that the yarn pressing device is respectively fixed on a left wall plate 7 and a right wall plate 3, a limiting bolt 9 and a locking nut 11 are arranged on a limiting angle iron 10, when a yarn pressing roller 17 rises, an air cylinder 6 pushes a cross supporting arm 8 to drive a sliding block 12 on a bearing seat 13 and the yarn pressing roller 17 to move upwards along a sliding rail 14, when the yarn pressing roller 17 descends, the yarn pressing roller 17 moves downwards under the action of the air cylinder 6 to press on the two drafting rollers 1, yarns 2 pass between the contact surfaces of the yarn pressing roller 17 and the two drafting rollers 1, when the yarns are drafted, the two drafting rollers 1 which rotate actively rotate frictionally drive the yarn pressing roller 17 to rotate together, the yarns 2 are clamped, pulled and sent out, the descending positions of the yarn pressing roller 17 can be adjusted by adjusting the limiting bolt 9 and the locking nut 11, and when the yarns are parked, a.

The yarn pressing roller mechanism of the warping machine drafting device is characterized in that: the lifting movement uses a slide rail 14 and a slide block 12.

The invention relates to a yarn pressing roller mechanism of a warping machine drafting device.A yarn pressing roller 17 is supported by a bearing 16 and a bearing seat 13, is connected with a slide block 12, is pushed by a cylinder 6 on a slide rail 14 to enable the yarn pressing roller 17 to move up and down, a limiting bolt 9 and a locking nut 11 are adjusted to adjust the lower limiting of the yarn pressing roller 17 and the magnitude of the pressing force of the contact between the left and right sides of the yarn pressing roller 17 and the drafting rollers 1, yarns 2 pass through the contact surface between the three rollers, the two drafting rollers 1 which rotate actively drive the yarn pressing roller 17 to rotate together through the surface friction thereof, and the yarns 2 are clamped, drafted and sent out. Compact design, simple structure, it is convenient to adjust, economical and practical has improved the quality of warping.

The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.