The development prospects of belt conveyors in the food industry

2021-03-02 12:47:28 Belt loading conveyor has the advantages of large conveying capacity, simple structure, convenient maintenance, standardized parts, etc. It is widely used in mining, metallurgy, coal and other departments to transport loose materials or finished parts Articles, according to the requirements of the conveying process, can be conveyed by a single unit, or composed of multiple units or combined with other conveying equipment to form a horizontal or inclined conveying system to meet the needs of different layout types of operation lines. It is suitable for conveying powdery, granular, small lumps and bagged materials with a bulk density of less than 1.67/ton/m3, such as coal, gravel, sand, cement, fertilizer, grain, etc. . The temperature of the delivered material is less than 60°C. The captain and assembly form can be determined according to user requirements, and the drive can be an electric drum or a drive device with a drive frame. The structure of the belt conveyor in the food industry is the gear in the star wheel transmission mechanism, and chemical heat treatment such as carburizing and nitriding is widely used. Gear manufacturing accuracy is generally above level 6. Obviously, the use of hard tooth surfaces and high precision is conducive to further improving the carrying capacity and making the gear size smaller. The symmetry of the gear transmission structure of the star wheel makes the star wheel have several symmetrically distributed planetary transmission orbits, and under the action of the food belt conveyor drive, the center wheel and the rotating arm bearing can be hardened. The phase beans are balanced, which helps to improve the transmission efficiency. Only need to appropriately select the type of planetary transmission and the gear allocation plan, and a large transmission ratio can be obtained with a few dozen gears. Hard tooth surface, high precision. The star wheel is made of fine-grained steel with high alloy content and good hardenability. With the decrease of the quenching temperature, the hardness of the tooth surface does not change much, but the hardness of the core decreases more obviously. The increase of carbonitride of the star wheel can effectively improve the wear resistance and contact fatigue strength, and the appropriate amount of retained austenite can help improve the contact stress state of the surface. After the carbonitriding treatment, the wear resistance It can be used well in terms of performance, contact fatigue strength and deformation. Since the star wheel uses several identical planet wheels, evenly distributed around the dry center wheel, the inertial forces of the planet wheels and the rotating arm can be balanced. At the same time, it also increases the number of teeth involved in the meshing house, so the planetary gear transmission moves smoothly, has strong resistance to shock and vibration, and works more reliably. Therefore, the star wheel can perform relatively smoothly during production and transportation operations. Conveying; At the same time, the star wheel has strong resistance to shock and vibration. The transmission mechanism of the star wheel has a relatively large transmission power in high-speed transmission. It can also transmit large-torque and large-size conveying equipment in the transmission of medium-low-speed and heavy-duty food belt conveyors. Shaped wheels are widely used in the production and conveying operations of various food industry enterprises, and can also be better used in various mechanical transmission systems such as reducers, speed increasers and variable speed sets.

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