Pull-ups hot welding knife roll mechanism

Abstract

The invention relates to the field of disposable hygienic product equipment, and particularly relates to a pull-ups hot welding knife roll mechanism. The pull-ups hot welding knife roll mechanism comprises a machine frame, a hot knife roll rotationally arranged on the machine frame and a hot smooth roll rotationally arranged on the machine frame; the hot knife roll comprises a knife roll shaft, aknife roll body arranged on the knife roll shaft in a sleeving mode and knife roll protection rings arranged on the two sides of the knife roll body, three knife roll convex parts are arranged on theknife roll body in an outward protruding mode, the hot smooth roll comprises a smooth roll shaft, a smooth roll body arranged on the smooth roll shaft in a sleeving mode and smooth roll protection rings arranged on the two sides of the smooth roll body, two smooth roll convex parts are arranged on the smooth roll body in an outward protruding mode, and the width of the smooth roll convex parts islarger than that of the knife roll convex parts, the outer diameter of the knife roll convex parts is smaller than that of the knife roll protection rings, the difference value ranges from 0.05 mm to0.2 mm, the outer diameter of the smooth roll convex parts is smaller than that of the smooth roll protection rings, and the difference value ranges from 0.05 mm to 0.2 mm. According to the pull-ups hot welding knife roll mechanism, and the technical problem that in the prior art, the pull-ups hot welding mechanism is not firm in hot-press sewing or perforations are generated in the hot-press sewing is solved.

Description

technical field [0001] The invention relates to the field of disposable sanitary products, in particular to a heat welding knife roller mechanism for pull-up pants. Background technique [0002] At present, the applicant has disclosed a hot embossing knife holder device in China Patent No.: ZL201620025330.0, which includes a knife holder, an upper knife roller assembly, a lower knife roller assembly, a first pushing mechanism, a second pushing mechanism, a second A guide rod, a second guide rod, a first spring, a second spring, a first adjustment mechanism and a second adjustment mechanism, the two ends of the upper knife roller assembly are respectively connected with the first adjustment mechanism and the second adjustment mechanism and can be vertically The vertical adjustment position is set between the left side plate and the right side plate, the other end of the first guide rod and the other end of the second guide rod are respectively fixedly connected with the two e...

AI Technical Summary

Problems solved by technology

[0005] Therefore, in view of the above-mentioned problems, the present invention proposes a pull-up trousers hot-welding knife roller mechanism, which solves the technical problem that the hot-press seaming is not firm or the hot-press seaming produces perforation in the pull-up pants heat-welding mechanism in the prior art

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