Spring suction machine

What is Spring suction machine?

Spring suction machine , also known as a screw conveyor, uses a motor-driven coil spring to rotate within a closed pipe, continuously conveying materials. These machines are typically made of stainless steel, carbon steel, or manganese steel to accommodate different material characteristics. Their compact design allows for horizontal, inclined, or vertical material conveying, tailored to the specific layout of the production line. In practice, spring suction machines can handle a wide range of materials, from powders to granules, and their conveying capacity and distance can be adjusted based on the coil spring size, speed, and motor power.

What are the types of spring suction machines?

Spring suction machines, also known as screw feeders, can be categorized into various types based on different classification criteria. The following are some common classifications and corresponding types:

Classification by Structure and Conveying Method

Flexible spring suction machine: This is a common type. It uses a flexible, bendable coil spring that rotates within a plastic or stainless steel hose. This design allows it to adapt to a variety of complex installation environments, enabling horizontal, inclined, and even vertical conveying. It is ideal for conveying plastic pellets, powders, grains, and more.

Rigid screw conveyor: This type typically uses a rigid central shaft with spiral blades that rotates within a U-shaped trough or closed tube. It typically has a greater conveying capacity than a flexible suction machine, but lacks flexibility. It is primarily used for fixed, long-distance, or large-volume conveying of materials such as cement and sand.

Classification by Material

Stainless steel spring suction machine: Stainless steel offers excellent corrosion resistance, abrasion resistance, and high-temperature resistance. It is easy to clean, meets food-grade standards, and does not contaminate materials. It is widely used in industries with high hygiene requirements, such as food, chemicals, and plastics, for conveying flour, sugar, pharmaceuticals, and plastic pellets.

Carbon steel spring suction machine: Carbon steel generally refers to ordinary steel. Carbon steel is relatively inexpensive and offers excellent strength and durability.

Compared to stainless steel, carbon steel has poorer corrosion resistance and is prone to rusting, making it unsuitable for conveying wet or hygienic materials. It is primarily used for conveying dry, non-corrosive materials such as cement, sand, pulverized coal, and feed.

What are the advantages of a spring suction machine?

A spring suction machine is a material conveying device that combines simple structure, flexible installation, excellent sealing, and wide applicability. It not only significantly improves the working environment and reduces operating costs, but also meets the diverse conveying needs of various industries. Due to its unique design and operating principle, the spring suction machine demonstrates significant advantages in many industrial applications.

Simple Structure and Flexible Installation: The spring suction machine is very compact, consisting primarily of a motor, coil spring, and conveying piping. This makes it easy to install and can be flexibly arranged in narrow or complex spaces to meet actual production needs. It can convey materials horizontally, inclined, or vertically. Good Sealing: The entire conveying process takes place within a sealed pipe, effectively preventing material leakage and dust generation, improving the working environment and reducing health hazards to operators. This is particularly important when conveying toxic, hazardous, or dust-generating materials.

Low Maintenance Cost: Due to its simple structure and few moving parts, friction is low, resulting in relatively low energy consumption. Furthermore, spring suction machines require virtually no routine maintenance, have few wearing parts, and very low maintenance costs, significantly reducing operating costs.

Wide Applicability and Versatility: It can convey a variety of materials, from powders and granules to small lumps such as plastic pellets, cement, flour, and feed. By selecting the appropriate coil spring material (such as stainless steel or carbon steel) based on the material's characteristics, it can meet the needs of various industries.

Easy Cleaning and Safety: For industries with strict hygiene requirements, such as food processing, the stainless steel spring suction machine's smooth interior prevents material from accumulating, making it very easy to clean, effectively preventing cross-contamination and ensuring product quality and safety.

Spring Suction Machine Parameters

What are the uses of a spring suction machine?

The primary purpose of a spring suction machine is to continuously and stably convey powdered, granular, or small-block materials from one location to another. This equipment is widely used in various production and processing scenarios where materials need to be transferred from one point to another. Its main functions include:

Automated feeding: Automatically draws materials from storage tanks, hoppers, or bags and delivers them to the hoppers of processing equipment (such as mixers, injection molding machines, and packaging machines), automating the production process.

Long-distance conveying: Materials can be conveyed horizontally, inclined, or vertically to distant or elevated destinations, solving the challenges of high-altitude or cross-regional material transport.

Multi-point conveying: Certain designs allow simultaneous material delivery to multiple different equipment or production lines.

Material sorting and mixing: Combined with other equipment, it can achieve precise metering and mixing of different materials, ensuring accurate product proportions.

Improving the working environment: The entire conveying process takes place within a sealed pipeline, effectively preventing dust, minimizing material leakage, and contamination, thereby improving the operator's working environment and safety.

Spring Suction Machine Case Studies

Spring suction machines, also known as screw conveyors, are primarily used for enclosed, continuous conveying of dry powdered, granular, or small bulk materials. Their design allows for flexible adaptation to various production environments, particularly those requiring automated feeding and long-distance material transport. In the plastics and chemical industries, they automatically extract plastic granules, masterbatches, and recycled materials from storage tanks or hoppers and deliver them to the hoppers of injection molding machines, extruders, or blow molding machines, making them a key component of automated production lines. Powder and additive conveying is used to transport various chemical powders, pigments, and additives, ensuring continuity and precision in the production process. Grain and powder conveying is used in flour mills and food processing plants to transport flour, rice, corn, and beans, ensuring that the materials are free of contamination and meet hygiene standards. Other food raw materials, such as sugar, salt, coffee beans, and cocoa powder, are conveyed, automating the connection from raw material storage to production equipment. Powder material conveying is used in concrete mixing plants and precast parts factories to transfer powdered materials such as cement, lime, and sand to the mixer, significantly improving production efficiency. Spring suction machines are used to transport other building materials, such as gypsum and putty powder, reducing the labor intensity and dust pollution associated with manual handling. In feed mills or livestock farms, they are used to transport feed pellets from storage tanks to feeding equipment, enabling automated feeding and reducing labor costs. They are also used to transport fertilizers, seeds, pesticide powders, and other agricultural products, improving the mechanization of agricultural production. In short, wherever dry materials need to be accurately and quickly transferred from one point to another, spring suction machines provide a solution.

As a mature material conveying tool, spring suction machines have become an integral part of many automated production lines. They simplify material handling processes and reduce manual intervention. The use of this equipment makes material transfer more controllable during production, helping to maintain continuity and stability. Its enclosed conveying method reduces dust emissions from the production site to a certain extent, contributing to a better working environment. Spring suction machines, with their adaptability to specific working conditions, play a role in various industries.