Rubber gasket lower pin

Abstract

The invention discloses a rubber gasket lower pin. The shapes of any sections of the rubber gasket lower pin are the same, and the sections of the rubber gasket lower pin are basically in a T shape. The upper surface of the transversely linear part of the T shape is in a combination shape in which a straight line and a curved line are connected, the curved line part is higher than the straight line part, a height difference exists, the straight line part has a certain thickness, and the length of the straight line part is 4-4.9 millimeters. Correspondingly, the length of the curved line part which is connected with the straight line part is 20-19.1 millimeters, the distance from the highest point of the curved line part to the front edge of the straight line part is 9-9.9 millimeters, and correspondingly the distance C1 from the highest point to the tail end of the rubber gasket lower pin is 15-14.1 millimeters. The thickness of the straight line part is 2-5.3 millimeters, and correspondingly the height difference of the curved line part and the straight line part is 3.1-3.4 millimeters. The rubber gasket lower pin is simple in structure, convenient to mount and suitable for all existing ring spinning frames using curved face stair lower pins, the traction parts of the spinning frames do not need to be changed any more, and therefore the rubber gasket lower pin has wide applicability and economical efficiency.

Description

technical field [0001] The application relates to spinning drafting technology, in particular to the lower pin of the rubber ring of the drafting mechanism of spinning frame. Background technique [0002] At present, the drafting mechanism of the ring spinning machine in the spinning mill generally adopts long and short double rubber rings, spring swing pins, spring cradle pressurization, leaf spring cradle pressurization or pneumatic cradle pressurization devices, mainly relying on drafting rollers, Cots, aprons, elastic upper pins and curved surface stepped lower pins work together to control the fiber and realize drafting, and the intermediate additional friction force formed by the mechanism composed of the apron, elastic upper pin and curved surface stepped lower pin controls the movement of fibers , it plays a decisive role in ensuring the quality of the drafted sliver, especially the front jaw composed of the apron, elastic upper pin and curved surface stepped...

AI Technical Summary

Problems solved by technology

[0002] At present, the drafting mechanism of the ring spinning machine in the spinning mill generally adopts long and short double rubber rings, spring swing pins, spring cradle pressurization, leaf spring cradle pressurization or pneumatic cradle pressurization devices, mainly relying on drafting rollers, Cots, aprons, elastic upper pins and curved surface stepped lower pins work together to control the fiber and realize drafting, and the intermediate additional friction force formed by the mechanism composed of the apron, elastic upper pin and curved surface stepped lower pin controls the movement of fibers , it plays a decisive role in ensuring the quality of the drafted sliver, especially the front jaw composed of the apron, elastic upper pin and curved surface stepped lower pin. The curved surface stepped lower pin mainly supports the lower apron and guides the lower apron to rotate stably. Support the upper pin so that it is in the position required by the process, and the lower pin is a six-spindle pin, which is fixed on the roller seat. The upper surface is a combination of a straight line and a curved line, and the curved

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