False twisting device for rotor spinning device

Abstract

The invention provides a false twisting device for a rotor spinning device, which comprises a driving assembly, three stepped shaft assemblies, three false twisting discs and a conical sleeve, the three stepped shaft assemblies are triangularly distributed on the driving assembly, each stepped shaft assembly is provided with the three false twisting discs, and each stepped shaft assembly comprises a driving rotating shaft, a middle shaft, a top shaft and a connecting assembly; the two ends of the middle shaft are connected with a driving rotating shaft and a top shaft through connecting assemblies correspondingly. Each connecting assembly comprises a mounting disc, a rotating disc, a sleeve, a threaded sleeve, a threaded rod and a conical rod. The rotating disc is rotated to drive the threaded rod to rotate, the rotating threaded rod drives the threaded sleeve to move upwards, the upwards-moving threaded sleeve crosses the conical rod to apply counter-acting force to the conical sleeve, at the moment, the driving rotating shaft, the middle shaft and the top shaft which are connected through the connecting assembly are separated, and then disassembly is convenient. Therefore, the false twister can be quickly disassembled, assembled, overhauled or replaced when being used for a long time.

Description

technical field [0001] The invention relates to the technical field of textile machinery, in particular to a false twisting device for an air-jet spinning device. Background technique [0002] Publication No. CN201165577Y provides a composite double-spindle group false-twisting device for a false-twist texturing machine, comprising two sets of spindles, each set of spindles is composed of a driving spindle and two driven spindles, three spindles The center distance A of the two spindles is equal to form an equilateral triangle, and the two active spindles of the double spindle group are directly driven by the motor. [0003] The friction disc in the above-mentioned prior art is installed on the spindle shaft through interference fit, and then rotates together with the spindle shaft, and although the interference fit can achieve the effect of false twist, it needs external force to remove the friction disc from the spindle shaft when disassembling. On the contrary, the frict...

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Problems solved by technology

[0003] The friction disc in the above prior art is installed on the spindle shaft through interference fit, and then rotates together with the spindle shaft. Although the interference fit can achieve the effect of false twist, it needs to use external force to remove the friction disc from the spindle shaft during disassembly. On the contrary, it is necessary to insert the friction disc onto the spindle shaft during installation, so the whole loading and unloading process is too cumbersome, and the friction disc needs to be maintained or replaced during long-term use, so the above-mentioned prior art is not convenient for the maintenance or replacement of the friction disc. replace

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