Automatic Screw Conveyor

Automatic screw conveyor is an automated conveying equipment widely used in industrial production. It is mainly used for vertical or inclined conveying of powdered, granular or small block materials. Its core component is the rotating spiral blade (auger). The motor drives the spiral shaft to rotate, pushing the material up along the pipe or trough to achieve efficient and continuous material conveying. The following is a detailed introduction:

1. Food industry

Convey flour, sugar, grains, seasonings and other powdered or granular raw materials to ensure hygiene and pollution prevention (mostly stainless steel).

2. Chemical industry

Convey plastic particles, fertilizers, dyes, powder coatings, etc., which require anti-corrosion design (such as carbon steel or PVC coating).

3. Building materials industry

Conveyance of building materials such as cement, sand, gravel, gypsum powder, etc., to adapt to high wear environment.

4. Pharmaceutical industry

Conveyance of pharmaceutical raw materials and tablets requires dust-free and GMP compliance.

5. Agriculture and feed

Automatic feeding of agricultural products such as grains, feed, seeds, etc.

6. Environmental protection and energy

Material upgrading in biomass pellets and waste recycling.

1. Efficient and continuous conveying: The spiral speed is adjustable, the conveying volume is stable, and it is suitable for assembly line operation.

2. High space utilization: vertical or large-angle tilt design saves plant space.

3. Good sealing: closed pipeline reduces dust leakage, suitable for scenes with strict environmental protection requirements.

4. Simple structure: easy maintenance, low failure rate, and long life.

5. Multi-functional adaptation: can be matched with silos, weighing systems, mixers and other equipment for linkage control.

1. Feeding: The material is poured into the bottom feed port through a vibrating screen or manually.

2. Conveying: The spiral blade rotates to push the material upward to the discharge port.

3. Discharging: The material falls into the mixer, packaging machine or the next process equipment.

4. Automatic control (optional): Start and stop, flow rate are controlled by sensors or PLC.

1. Material characteristics: particle size, humidity, fluidity (such as sticky materials need anti-blocking design).

2. Conveying volume requirements: select the screw diameter (common 100-500mm) and speed according to the production capacity.

3. Installation environment: horizontal/inclined/vertical installation, space restrictions.

4. Special requirements: explosion-proof, high temperature resistance, food-grade materials, etc.

• Regular inspection: bearing lubrication, spiral blade wear.
• Cleaning: clean up residual materials (especially easy to agglomerate materials) when shutting down.
• Avoid overloading: overfeeding may cause the motor to burn or block.

Automatic screw conveyor has become an indispensable part of modern industrial automation production through its flexibility and reliability, significantly improving efficiency and reducing labor costs. In actual applications, parameters need to be customized according to specific needs to achieve the best results.

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