Opening device applied for weaving twilled satin

Abstract

The invention discloses an opening device applied for weaving twilled satin. The opening device comprises a crank rocker mechanism, a gear pair, an electromagnetic clutch and a gear rocker mechanism, wherein the crank rocker mechanism comprises a crank hinged on a rack; the crank is hinged with a first connecting rod which is connected with a first rocker hinged on the rack by a connecting shaft; the connecting shaft is provided with a slidable first gear and the electromagnetic clutch; the gear rocker mechanism comprises a second rocker hinged on the rack; the second rocker is hinged with a second connecting rod which is connected with a second gear; and the electromagnetic clutch attracts the first gear and the second gear to be meshed to form the gear pair. The opening device disclosed by the invention has the advantages that from the angle of a high-speed loom, a connecting rod mechanism replaces a cam mechanism, so that the requirements of a weaving process are met, simultaneously vibration sources such as a cam and a cam rotor are also eliminated and the damage of other parts of an air jet loom is avoided.

Description

technical field [0001] The invention belongs to the field of looms, and relates to an opening mechanism, in particular to an opening device used for weaving twill satin. Background technique [0002] Most of the opening mechanisms of air-jet looms use cam opening mechanisms, and the cam opening mechanism with high pair can well meet the technological requirements of the movement of the heald frame, but it is not suitable for high speed. The cam is particularly sensitive to the precision of manufacturing and processing. To adapt to the high speed of more than 600 rpm, the cam must be high-precision, and it is particularly difficult to manufacture high-precision cams. Once the cam accuracy fails to meet the manufacturing accuracy and requirements, destructive dynamic forces will be generated, especially the conjugate cam, which has become a major resistance to the development of the opening mechanism. [0003] It is somewhat difficult in design to use the opening mechanism co...

AI Technical Summary

Problems solved by technology

The shedding mechanism completes the alternate lifting and lowering of the upper and lower warp yarns. In the past, the loom speed was only 100-200 rpm. After improving the manufacturing accuracy of the cam, the speed of the cam shedding mechanism is still limited to below 600 rpm.

Now the speed of air-jet loom is 900-1000 rpm, the loom speed is high, but the use of cam opening mechanism brings damage and impact force. The cam and cam rotor become the vibration source of the loom and the source of damage to various other parts.

Images