CN210368055U

CN210368055U - Rotor type open-end spinning machine fine motion is stroke control structure alternately

Info

Publication number: CN210368055U
Application number: CN201921052200.6U
Authority: CN
Inventors: 黄恒强
Original assignee: Anhui Rifa Textile Machinery Co Ltd
Current assignee: Anhui Rifa Textile Machinery Co Ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-04-21
Anticipated expiration: 2029-07-08

Abstract

The utility model provides a micro-motion cross stroke control structure of a rotor spinning machine, which comprises a stroke guide rail, the travel guide rail is provided with a doffing trolley, a displacement sensor A, a displacement sensor B, a displacement sensor C, a displacement sensor D, a displacement sensor E and a displacement sensor F which correspond to the doffing trolley, the displacement sensor C, the displacement sensor D, the displacement sensor E and the displacement sensor F are arranged between the displacement sensor A and the displacement sensor B, the distance from the displacement sensor A to the displacement sensor C is larger than the distance from the displacement sensor C to the displacement sensor D, the distance from the displacement sensor B to the displacement sensor E is greater than the distance from the displacement sensor E to the displacement sensor F, the effect of delaying the concentrated abrasion of the leather roller of the yarn guide pinch roller is achieved by periodically changing the position of the reversing point in the stroke range.

Description

Rotor type open-end spinning machine fine motion is stroke control structure alternately

Technical Field

The utility model relates to a rotor type open-end spinning machine field, concretely relates to rotor type open-end spinning machine fine motion is stroke control structure alternately.

Background

A rotor spinning micro-motion cross-stroke micro-motion control structure is a moving mode of yarns in a rotor spinning machine between a yarn guide shaft and a pressing wheel leather roller, can slow down the concentrated abrasion of the yarn guide pressing wheel leather roller, and prolongs the service life of the yarn guide pressing wheel leather roller. In order to avoid abrasion of the yarn pressing position of the pinch roller leather roller, a rotor spinning machine is generally provided with a micromotion mechanism for guiding yarn to move back and forth between a yarn guiding shaft and the pinch roller leather roller, the yarn is moved back and forth in a fixed area in a traditional moving mode, reversing points on two sides are fixed, as shown in figure 1, the yarn staying time at the reversing points is longer relative to other positions, and the reversing point positions A and B of the leather roller are abraded intensively firstly.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned problem comprehensively, especially not enough to prior art exists, the utility model provides a rotor type open-end spinning machine fine motion is stroke control structure alternately, through the position of the change switching-over point of periodic in the stroke scope, has reached the effect that delays the concentrated wearing and tearing of yarn guide pinch roller leather roller. In order to achieve the above object, the utility model adopts the following technical means:

the utility model provides a rotor type open-end spinning machine fine motion is stroke control structure alternately, includes the stroke guide rail, be provided with doffing dolly on the stroke guide rail, displacement sensor A, displacement sensor B, displacement sensor C, displacement sensor D, displacement sensor E, the displacement sensor F that corresponds with the doffing dolly, displacement sensor C, displacement sensor D, displacement sensor E, displacement sensor F set up between displacement sensor A, displacement sensor B, displacement sensor A is greater than displacement sensor C to displacement sensor D's distance to displacement sensor C, displacement sensor B is greater than displacement sensor E to displacement sensor F's distance.

Further, the doffing trolley is driven by a driving motor, and the driving motor is electrically connected with the displacement sensor A, the displacement sensor B, the displacement sensor C, the displacement sensor D, the displacement sensor E and the displacement sensor F through a controller.

Furthermore, the displacement sensor A, the displacement sensor B, the displacement sensor C, the displacement sensor D, the displacement sensor E and the displacement sensor F all adopt MTS type displacement sensors.

Further, the controller is an STC89C52RC type single chip microcomputer controller.

The utility model has the advantages that: the utility model discloses simple structure, through the position at the periodic change switching-over point in stroke scope, reached the effect that delays the concentrated wearing and tearing of yarn guide pinch roller leather roller, when starting the fine motion, the motor moves toward initial point position A earlier, start periodic operation after arriving the initial point position, move a short stroke L1 to the C point by the A point earlier, move a short stroke L2 to the D point by the C point again, L1> L2, so advance through a plurality of cyclic reciprocating motion of N and reach appointed stroke maximum position B point, move a short stroke L3 to the E point by the B point again, move a short stroke L4 to the F point by the E point again, L3> L4, so get back to A after a new circulation through a plurality of cyclic reciprocating motion of N, through dispersing the switching-over point to a plurality of positions in the stroke scope and reach extension yarn guide pinch roller leather roller life-span purpose.

Drawings

Fig. 1 is a schematic diagram of a conventional shifting mode of reversing point dwell.

Fig. 2 is a schematic diagram of the moving mode reversing point stop of the present invention.

Fig. 3 is a schematic view of the overall structure of the present invention.

Fig. 4 is an electrical control schematic diagram of the present invention.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings.

As shown in fig. 1 to 4, the present embodiment provides a micro-motion cross-stroke control structure of a rotor spinning machine, including a stroke guide rail 1, a doffing trolley 2, a displacement sensor a, a displacement sensor B, a displacement sensor C, a displacement sensor D, a displacement sensor E, and a displacement sensor F corresponding to the doffing trolley are arranged on the stroke guide rail, the displacement sensor C, the displacement sensor D, the displacement sensor E, and the displacement sensor F are arranged between the displacement sensor a and the displacement sensor B, a distance from the displacement sensor a to the displacement sensor C is greater than a distance from the displacement sensor C to the displacement sensor D, and a distance from the displacement sensor B to the displacement sensor E is greater than a distance from the displacement sensor E to the displacement sensor F.

The doffing trolley is driven by a driving motor, and the driving motor is electrically connected with a displacement sensor A, a displacement sensor B, a displacement sensor C, a displacement sensor D, a displacement sensor E and a displacement sensor F through a controller.

The displacement sensor A, the displacement sensor B, the displacement sensor C, the displacement sensor D, the displacement sensor E and the displacement sensor F are all MTS type displacement sensors.

The controller is an STC89C52RC type single chip microcomputer controller.

The embodiment has a simple structure, the effect of delaying the centralized abrasion of the yarn guide pinch roller leather roller is achieved by periodically changing the position of the reversing point in the stroke range, when the micro-motion is started, the motor firstly runs towards the original point position A, and then starts to run periodically after reaching the original point position, firstly runs from the point A to the point C and moves by a short stroke L1, then moves by a short stroke L2 from the point C to the point D, and L1 is greater than L2, so that the motor moves forwards through N circulating reciprocating motions to reach the point B of the maximum position of the appointed stroke, then moves by a short stroke L3 from the point B to the point E, and then moves by a short stroke L4 from the point E to the point F, and L3 is greater than L4, so that the motor starts new circulation after returning to the point A through N circulating reciprocating motions, and the purpose of prolonging the service life of the yarn guide pinch roller leather roller is achieved by dispersing the reversing point to.

Claims

1. The utility model provides a rotor type open-end spinning machine fine motion is stroke control structure alternately, its characterized in that, includes the stroke guide rail, be provided with doff dolly, displacement sensor A, displacement sensor B, displacement sensor C, displacement sensor D, displacement sensor E, the displacement sensor F that corresponds with the doff dolly on the stroke guide rail, displacement sensor C, displacement sensor D, displacement sensor E, displacement sensor F set up between displacement sensor A, displacement sensor B, displacement sensor A is greater than displacement sensor C to displacement sensor D's distance to displacement sensor C, displacement sensor B is greater than displacement sensor E to displacement sensor F's distance.

2. The micro-motion cross-stroke control structure of the rotor spinning machine as claimed in claim 1, wherein the doffing cart is driven by a driving motor, and the driving motor is electrically connected with a displacement sensor A, a displacement sensor B, a displacement sensor C, a displacement sensor D, a displacement sensor E and a displacement sensor F through a controller.

3. The micro-motion cross-stroke control structure of the rotor spinning machine as claimed in claim 2, wherein the displacement sensors A, B, C, D, E and F are all MTS type displacement sensors.

4. The micro-motion cross-stroke control structure of the rotor spinning machine as claimed in claim 2, wherein the controller is a single chip microcomputer controller of STC89C52RC type.