Rubber melt gear pump: full analysis of structure, advantages and applications

1. Introduction

In the field of rubber and elastomer processing, rubber melt gear pump plays an extremely important role. As a key device connecting the extruder outlet and the die head, it plays a decisive role in the precise metering and stable delivery of the melt, directly affecting the quality and production efficiency of the final rubber products.

2. Structural analysis

The rubber melt gear pump is mainly composed of core components such as pump body, gears, shafts, and sealing devices. The pump body provides a solid shell support for the entire gear pump to ensure the stable operation of internal components. Gears are its core working components, and usually use specially designed tooth shapes and high-precision processing technology to ensure the meshing accuracy between gears, so as to achieve accurate metering and stable push of rubber melt. The shaft bears the heavy responsibility of transmitting power, transmitting the torque of the external drive device to the gears so that it can operate continuously. The sealing device is crucial, which can effectively prevent the leakage of rubber melt under high pressure, ensure the normal operation of the equipment and the safety and cleanliness of the working environment. In addition, its unique built-in cooling channel design is a highlight. The cooling channel is distributed in key parts inside the pump body. The heat generated by the gear pump during operation is absorbed and taken away by circulating coolant, thereby achieving precise temperature control and avoiding problems such as degradation or performance degradation of the rubber melt due to excessive temperature.

3. Advantages

High-precision metering: With precision designed and manufactured gears, the rubber melt gear pump can accurately control the delivery volume of the rubber melt with minimal error, providing reliable guarantee for the standardized production of rubber products. For example, when producing high-precision rubber seals, accurate melt metering can ensure the dimensional accuracy and performance consistency of the seals.

Accurate and fast temperature control: The built-in cooling channel can make temperature control more accurate and rapid. In the rubber processing process, different rubber formulas and processes have strict requirements on temperature. The gear pump can respond to temperature changes in a timely manner, stabilize the melt temperature within the ideal range by adjusting the flow and temperature of the cooling medium, and effectively improve the stability of product quality.
Special lubrication flow channel design: According to the characteristics of rubber and elastomer materials, the specially designed lubrication flow channel can ensure the normal operation of the gear in the high viscosity and corrosive rubber melt environment, reduce wear, extend the service life of the gear pump, and reduce equipment maintenance costs.
Flow channel optimization reduces residue: Through the optimization design of the flow channel, the dead corners in the flow channel are eliminated. In the process of conveying rubber melt, dead corners are prone to polymer residues, which not only affects product quality, but also may cause production interruptions. This gear pump effectively reduces polymer residues and improves the purity and quality stability of products. For example, when producing high-quality rubber pipes, impurities and defects on the inner wall of the pipe can be avoided.

Stable output pressure: The improved gear parameter design enables the gear pump to have a more precise displacement and can output stable pressure. Under precision extrusion conditions, stable pressure is essential to ensure the shape, dimensional accuracy and physical properties of rubber products. For example, in the molding process of rubber tires, stable pressure can ensure uniform thickness of the rubber layer in various parts of the tire and improve the balance and safety of the tire.

4. Wide application field

Rubber melt gear pumps are widely used in the production of many rubber and elastomer products. In the field of automotive rubber parts manufacturing, such as tires, seals, shock-absorbing rubber parts, etc., it can accurately measure and stably convey rubber melt to ensure product quality and production efficiency. It is also indispensable in the extrusion process of rubber products such as rubber pipes, tapes, rubber sheets, etc., and can achieve high-quality and high-precision continuous production. In addition, in some special rubber products, such as medical rubber products, electronic rubber accessories, etc., which have extremely high quality requirements, rubber melt gear pumps also play a key role with their advantages, helping companies to produce products that meet strict standards and meet the market demand for high-quality rubber products.

5. Conclusion
The rubber melt gear pump has become one of the core equipment in the extrusion process of rubber and elastomer melts with its unique structural design, significant advantages and wide application fields. With the continuous development of the rubber industry and the increasing requirements for product quality, the rubber melt gear pump will continue to explore and advance in technological innovation and performance optimization, providing stronger support and guarantee for the development of the rubber products industry.