Kneading system with sealed rubber kneading machine

Abstract

Provided is a kneading system provided with a sealed rubber kneading machine whereby the degree of kneading efficiency of the kneading machine can be easily and accurately grasped. This kneading system is provided with a sealed rubber kneading machine (1) for kneading a kneading material containing raw material rubber and carbon black, a revolution indicator (10a) of a rotor (8), a power meter (10b) for detecting the instantaneous power needed for driving the rotor (8), and a calculation device (11) into which these detected data are inputted. On the basis of these detection data as well as data about the outer diameter of the rotor (8) and data about the clearance between the outer diameter position of the rotor (8) and the inner wall surface (7a) of a chamber (7), the calculation device (11) calculates an evaluation index evaluating the kneading efficiency of the kneading machine (1) on the basis of the total shear amount, found by integrating over the kneading time the shear velocity applied to the kneading material by the rotor (8), and the unit work, found by dividing the total power consumption (i.e. the instantaneous power integrated over kneading time) by the mass of the kneading material.

Description

technical field [0001] The present invention relates to a kneading system equipped with a closed rubber kneader, and more specifically, to a kneading system provided with a closed rubber kneader to the extent that the kneading efficiency of the kneader can be easily and accurately grasped system. Background technique [0002] When manufacturing rubber products such as tires, rubber hoses, etc., a specified amount of kneading materials containing, for example, raw rubber and various compounding ingredients such as carbon black, etc., is put into a closed rubber kneader and kneaded. Through the kneading, various compounding ingredients are uniformly dispersed in the raw rubber, and the viscosity of the kneaded material is reduced to a certain extent. The closed rubber kneader includes two rotors juxtaposed in parallel in a kneading chamber, and kneads a kneaded material by rotating these rotors. The kneaded material is rotated around the rotor shaft, and a shear force is obt...

AI Technical Summary

Problems solved by technology

However, the method in the literature is mainly focused on grasping the mixing state at a certain point in time, etc., and is not used to evaluate the mixing efficiency of the closed rubber mixer.

[0005] For example, in order to efficiently knead a certain kneading material, whether the kneading machine is suitable or under what conditions can knead efficiently, etc., the answer cannot be found directly from Non-Patent Document 1

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