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[CN 202110387090.4] Loom and weft yarn guiding and shearing mechanism thereof
[CN 202110387090.4] Title of a loom and its weft-guided shearing mechanism: Application number of a loom and its weft-guided shearing mechanism: CN 202110387090.4 Applicant: Shandong Rifa Textile Machinery Co., Ltd. Application date: 2021-4-6 Patent type: Application for the invention The present invention discloses a loom and its weft-guided shearing mechanism, including a cutter assembly, a steel reed and a weft-selecting finger. The cutter assembly includes a weft baffle, the weft baffle is provided with a yarn hanging groove, the blade and the blade baffle are longitudinally inserted into the yarn hanging groove, and the blade edge of the blade includes an upper blade edge and a lower blade edge, the upper blade is covered by the blade baffle, and the lower blade is not covered by the blade baffle; the reed is used to drive the weft yarn at the weaving opening position into the blade baffle in the yarn hanging groove; the weft selection finger is used to drive the weft yarn to switch back and forth between the lifting position and the pressing position; when the weft yarn is in the lifting position, the weft yarn is on the blade baffle in the yarn hanging groove; when the weft yarn is in the pressing position, the weft yarn is on the lower blade edge. The weft-oriented shearing mechanism not only has fewer parts, but also simplifies the structure, and after the weft yarn is cut, the waste edge of the weft yarn is relatively short, which greatly reduces the length of the waste edge yarn and reduces the weaving cost.
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