Mixing machine and method for producing mixed products

The kneading machine measures viscosity in real-time using a force sensor, addressing the limitations of existing technologies by allowing for precise process control and efficient production of kneaded products.

JP2026087172APending Publication Date: 2026-05-27KK TOYOTA CHUO KENKYUSHO +1
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Patent Information

Application Number
JP2024199707
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2026-05-27

AI Technical Summary

Technical Problem

Existing kneading technologies fail to accurately measure the viscosity of materials during the kneading process, relying on post-kneading measurements or indirect methods that do not provide real-time feedback for controlling the process.

Method used

A kneading machine equipped with a rotating kneading screw and a housing that includes a force sensor in the detection section, allowing for real-time measurement of viscosity based on the stress acting on the inner wall, eliminating the need for separate measurement devices and enabling process control.

Benefits of technology

Enables stable and efficient production of kneaded products with desired characteristics by providing real-time viscosity data for process control, reducing complexity and the need for additional measurement equipment.

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Abstract

To provide a kneader that can stably and efficiently produce a compound with desired characteristics. [Solution] The present invention is a kneader (D1) comprising a rotating kneading screw (1) and a housing (3) that houses the kneading screw. The kneading screw has an outer circumferential surface (111) extending parallel to the direction of rotation axis, and the housing has an inner wall surface (31) facing the outer circumferential surface and a detection section (33) opening at the inner wall surface. A force sensor (5) attached to the detection section detects, for example, the load or moment exerted by the material to be kneaded flowing between the outer circumferential surface of the kneading screw and the inner wall surface of the housing. Based on the peak value of the vertical stress determined from the output, the viscosity of the material to be kneaded can be measured sequentially.
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Citation Information

Patent Citations

  • Process of manufacturing electrode for cell

    JP2014056747A

  • Kneading device

    JP2021137979A

  • Extrusion apparatus and manufacturing method of resin product

    JP2022118312A