Process and apparatus for stopping an open-end spinning apparatu

Details Process and apparatus for stopping an open-end spinning apparatu Process and apparatus for stopping an open-end spinning apparatu

1981-12-16

1983-09-06

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Stopping or starting

57 89, 57104, D01H 1241

Patent

active

044021771

ABSTRACT:
An apparatus and method for stopping operation of an open-end spinning machine is disclosed whereby the rotor shaft 1 of the spinning rotor and the shafts 30, 40 of the support rollers 3, 4 are rapidly but gently stopped by applying a braking force to the shafts of the support rollers after the rotor shaft is braked. Preferably a single force is shared and applied in timed sequence for braking the rotor shaft and the support roller shafts. The apparatus for carrying out the method includes a pivotable lever 7 which is pivotable about an axis 70 and carries a support 73 having a brake lining which receives the rotor shaft 1. A belt lifting roller 72 is carried on the pivotable lever which lifts a tangential belt 5 off of the rotor shaft 1 to thus stop the drive of the spinning rotor. The support 73 is elastically carried on the lever 7 by means of a U-shaped spring 74. A pair of brake jaws 80, 81 are carried on a common mounting piece 8 about a fulcrum 80 which can be pressed against the shafts 30, 40 of the support rollers 3, 4 after the shaft 1 has been pressed onto a stop 6 by means of engagement with the support and brake 73. Good guiding of the support 73 and uniform seating of its brake lining on the shaft 1 is achieved by the U-shaped configuration of spring 74. The common mounting 8 of the brake jaws moves in a pendulum fashion on the lever 7 whereby the brake jaws are self-centering and exert a uniform pressure on the shafts of the support rollers.

REFERENCES:
patent: 3805506 (1974-04-01), Stahlecker
patent: 3868815 (1975-03-01), Stahlecker
patent: 3878672 (1975-04-01), Kohler
patent: 4103479 (1978-08-01), Stahlecker et al.

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