Screw feeding machine
1. It can convey materials in various forms such as powder, granular and small blocks, such as cement, fly ash, ore, grain, etc., and is widely used in many industries such as building materials, chemicals, metallurgy, and food.
2. The unique spiral structure enables the material to maintain a uniform flow state during the conveying process, avoiding the material rushing and arching phenomenon, and ensuring the continuity and stability of feeding.
3. The overall structure is relatively closed, which effectively reduces the dust flying out, not only avoiding the waste of materials, but also improving the working environment.
4. The rotation of the spiral shaft drives the material to move forward steadily, and the conveying speed can be adjusted according to production needs. The application of variable frequency motors enables it to flexibly adapt to different conveying volume requirements.
5. The layout of the inlet and outlet is relatively flexible, and the loading and unloading ports can be set at different positions according to the needs of the process flow.
6. It can rotate freely to avoid with the conveying resistance within a certain range, and it is not easy to get stuck or blocked, which reduces the downtime of equipment failure.
The screw feeder is mainly composed of a drive device, a screw shaft, a trough, a feed port, a discharge port, a bearing seat, a sealing device, and a control system. Its overall design concept is to achieve stable, accurate, and continuous material transportation to meet the material supply requirements of different industrial production scenarios.
The integrated advanced frequency converter can realize stepless speed regulation of the screw shaft. The operator can flexibly set the speed within a wide speed range through the human-machine interface of the control system to adapt to the characteristics of different materials and production process requirements.
Equipped with complete motor protection devices, such as overload protection, overheat protection, short circuit protection, etc. When the motor is overloaded, overheated or short-circuited, the protection device can act quickly to cut off the power supply to the motor to prevent motor damage and ensure the safe operation of the equipment.
The shape, pitch and diameter of the spiral blades of the spiral shaft are customized according to the properties and flow rate of the conveyed material. For powdery materials, the spiral blades are usually thinner, with smaller pitch and larger diameter to ensure that the material can be pushed evenly and is not prone to clogging.
The trough is welded with high-quality steel or stainless steel plates, and its structural design focuses on rigidity and sealing. The inner wall of the trough is smooth, which reduces the friction resistance of the material during transportation and prevents material residue and accumulation.
The bearing seat is made of high-quality cast iron or cast steel, with good rigidity and shock resistance. High-precision bearings such as deep groove ball bearings, spherical roller bearings or tapered roller bearings are installed inside, and are selected according to the force and speed of the spiral shaft.
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