Large-breadth tension sensor and a tension detection method

Abstract

The invention discloses a large-breadth tension sensor. The large-breadth tension sensor comprises a bearing block and a pressure sensor at the bottom of the bearing block. A bearing inner hole of thebearing block is connected with the tail end of a roller shaft. The bottom of the bearing block and the top of the pressure sensor are connected through bolts. The pressure sensor is fixed to a supporting frame of production equipment through installation holes. Elastomer is arranged inside the pressure sensor in a processed manner. Metal foil type resistance strain gauge is bonded to the elastomer. The invention further discloses a tension detection method of the large-breadth tension sensor. The left end and the right end of the roller shaft of the production equipment are supported by twotension sensors, tensioned materials are arranged to form an included angle between the front side and the rear side of a roller when passing through the roller, the tensioned materials will generatepressure on the roller, the roller shaft, the bearing blocks supporting the roller, and the pressure sensors at the bottoms of the bearing blocks at the moment, when the pressure sensors detect the pressure, the relation between the pressure and the tension of the materials can be acquired through matrixing according to the trigonometric function relation, and the numerical value of tension can beaccurately acquired. Therefore, accurate measurement on the tension of the large-breadth production equipment is achieved, and the large-breadth tension sensor is convenient to install and low in cost, and is suitable for upgrading large spinning and paper making equipment.

Description

technical field [0001] The invention belongs to the field of tension detection, in particular to a wide-format tension sensor and a tension detection method. Background technique [0002] In large-scale textile and papermaking production equipment, in order to ensure the specification consistency and flatness of the wide-format finished material roll, there are high requirements for the tension control of the roller when winding the material, that is, the tension of the material when winding is required. The degree of tension should be consistent, too tight will easily cause material breakage and entanglement, and too loose will easily cause wrinkles and layers of materials. [0003] At present, the tension measurement technology of narrow format is relatively mature, and generally adopts single-ended cantilever, single pulley or three pulley tension sensors, which are widely used in the tension measurement of various kinds of silk threads, thin steel wires, narrow belts and...

AI Technical Summary

Problems solved by technology

However, for textile and papermaking equipment with a width of more than 1 meter, there is no practical tension detection sensor at present. In actual production, only the experience of the operator can be used to control the tension. Therefore, the degree of automation of the equipment is not high, and the finished material volume It is also difficult to guarantee the consistency of specifications. At present, many large textile mills and paper mills in China are looking for equipment upgrades and transformation measures. Therefore, it is urgent to provide a new type of wide-format tension sensor and tension detection method to solve the above problems.

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