Thin sheet material splicing device adaptive to different widths

Abstract

The invention provides a thin sheet material splicing device adaptive to different widths. The device comprises a first roller and a second roller which are in matched connection with each other. Thedevice is characterized in that an arc-shaped bulge is arranged on the roller surface of the first roller, and the second roller is a planar roller; the roller surfaces of the first roller and the second roller are arranged on a mounting sat in a suspended manner, a strip-shaped through hole is formed in a roller shaft of the first roller, and a connecting part connected with the roller surface ofthe first roller is arranged in the strip-shaped through hole. New and old thin sheet materials entering space between the two rollers are spliced into one strip once in the width direction, the strip is in inclined transition from one side to the other side gradually and has a spliced section with certain width, when the strip passes through related equipment of a subsequent process, only 3%-35%of thickening part passes through the equipment, the remaining parts pass through the equipment by single layer, the problems that the equipment is blocked and diameter of a formed cigarette base rodexceeds stipulation are solved thoroughly, required tensile strength of the spliced section is guaranteed, and the spliced structure is simplified.

Description

technical field [0001] The invention relates to a strip material splicing mechanism, in particular to a splicing device adaptable to heat-not-burn tobacco sheets of different widths, and belongs to the technical field of extrusion splicing device design and manufacture. Background technique [0002] In the automated tobacco processing industry, the supply of raw and auxiliary materials is rolled into rolls of thin sheet materials to process tobacco base rods, which are then wrapped with cigarette paper to become cigarettes. In actual production, it is required that the sheet material can be continuously supplied, and for this reason, it is necessary to splice the tail of the old sheet material that is about to be used up with the head of the new sheet material. [0003] However, there are more or less the following deficiencies in the splicing with auxiliary materials or splicing without auxiliary materials in the prior art: [0004] 1) There will inevitably be a problem of...

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Problems solved by technology

[0004] 1) There will inevitably be a problem of increased thickness in the splicing section of the new and old sheet materials, and the thickness is at least twice the thickness of the single-layer sheet material. Such a splicing thickness will make the tobacco base rod produced by the downstream equipment If the diameter exceeds the allowable range, it will lead to the appearance of unqualified products, and at the same time, it will cause jamming of downstream equipment, or even shut down for maintenance, so it cannot meet the requirements of the production process;

[0005] 2) Splicing through auxiliary materials will also change the taste of the final product due to the addition of adhesives, and even cause food safety accidents;

[0006] 3) The tensile strength of the spliced ​​section of the new and old sheet materials is far less than that of normal sheet materials, and cannot meet the tensile strength requirements of the tobacco sheet materials in the heat-not-burn cigarette production process;

[0007] 4) The width of splicing is fixed, it is difficult to adapt to the splicing requirements of sheet materials of different widths, and one machine cannot be used for multiple purposes, at least the squeeze roller for splicing needs to be replaced, which increases investment and cost

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