Digitalized regulation of a fabric feeding mechanism

Abstract

The utility model belongs to the technical field of sewing machine relates to a kind of digital adjustment cloth feeding mechanism, comprising: rotary drive source, its first shaft end is provided with driving cam, second shaft end is provided with eccentric cam;Stitch length adjusting device, including stitch length adjusting component, the locking state of the stitch length adjusting component is unlocked by knock pin, the knock pin is driven along first circumferential direction by driving cam;Differential ratio adjusting device, including differential slider and differential cam connected by differential ratio adjusting transmission part, the differential cam has different curvature surface and adjusts differential ratio by different curvature surface, the differential cam is driven along second circumferential direction by driving cam;Presser foot pressure adjusting device, including presser foot pressure adjusting transmission part and pressure regulating block, the pressure regulating block is connected with eccentric cam by presser foot pressure adjusting transmission part transmission, the pressure regulating block is driven by eccentric cam's eccentric swing. Digital adjustment cloth feeding mechanism provided by the utility model realizes the digital intelligent adjustment of sewing machine core parameter.

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