Kneading machine for producing mixed silicone rubber

The improved kneader design, including storage bins, premixing components, and conveying components, solves the problems of poor uniformity and low efficiency, achieving continuous and uniform conveying of raw materials and improving the production efficiency and quality of compounded silicone rubber.

CN224170183UActive Publication Date: 2026-04-28SUZHOU GESHIFU NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202521034226.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-24
Publication Date
2026-04-28
Estimated Expiration
2035-05-24

AI Technical Summary

Technical Problem

Existing kneaders used for producing silicone rubber compounding suffer from poor uniformity and low efficiency. In particular, traditional screw conveyors cause raw materials to accumulate or disperse unevenly, making continuous feeding impossible.

Method used

The system employs a design incorporating a storage silo, premixing components, conveying components, and a flow guide inlet. A PLC controller manages the solenoid valves and motor to achieve continuous and uniform material delivery. The stirring blades have an interlaced structure, the conveying auger is a double-helix variable-pitch design, the inner wall of the flow guide inlet is coated with PTFE, and the seals are pneumatic sealing rings.

Benefits of technology

It enables continuous and uniform conveying of raw materials, improves mixing efficiency and consistency, prevents dust from escaping, and simplifies the operation process.

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Abstract

The utility model belongs to the technical field of mixed silicone rubber production, and discloses a kneading machine for mixed silicone rubber production, which comprises a storage bin, a feeding port is arranged at the top of the storage bin, the feeding port is communicated with the storage bin, a discharging port is arranged at the bottom of the storage bin, the discharging port is communicated with the storage bin, and an electromagnetic valve is arranged on the discharging port; the premixing assembly comprises a driving shaft which is vertically arranged and rotatably mounted in the storage bin, a plurality of stirring blades are mounted on the driving shaft, and the driving shaft is driven by a driving device; the conveying assembly comprises a conveying cylinder, the conveying cylinder is communicated with the discharging opening, a variable frequency motor is installed at one end of the conveying cylinder, a conveying auger is vertically and rotatably installed in the conveying cylinder, and an output shaft of the variable frequency motor is in transmission connection with the conveying auger; and a diversion port. According to the utility model, not only can raw material cakes be conveniently broken, but also continuous and uniform conveying of raw materials can be realized, so that the mixing efficiency and consistency are improved.
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