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This paper analyzes the main reasons of hopper falling off of bucket elevator

Article source: admin release date: May 16, 2020

The bucket elevator is suitable for lifting from low place to high place. After the supplied materials are put into the hopper through the vibration table, the machine will automatically and continuously run upward. According to the conveying capacity, the conveying speed can be adjusted and the lifting height can be selected as required. The hopper is self-designed and manufactured. PP non-toxic hopper makes this type of bucket elevator more widely used. All sizes are designed and manufactured according to the actual needs. It is designed for supporting vertical packaging machine and computer metering machine, which is suitable for lifting and feeding of food, medicine, chemical industrial products, screws, nuts and other products The automatic stop and start of the packaging machine is controlled by the signal recognition of the packaging machine.


The hopper scoops up the materials from the storage below. With the conveyor belt or chain lifted to the top, it bypasses the top wheel and turns downward. The bucket elevator dumps the material into the receiving tank. Belt driven Bucket elevator Generally, rubber belt is used for the transmission belt, which is installed on the lower or upper drive drum and the upper and lower steering roller. The bucket elevator with chain drive is generally equipped with two parallel transmission chains. There is a pair of transmission chain wheels at the top or bottom and a pair of change direction chain wheels at the bottom or above. Bucket elevator is generally equipped with casing to prevent dust from flying in bucket elevator. Bucket elevator: it is suitable for lifting from low to high places. After the materials are put into the hopper through the vibration table, the machine will automatically and continuously transfer and transport. Hopper falling off refers to the phenomenon of hopper falling from hopper belt in production. When the hopper falls, it will produce abnormal noise. It is necessary to stop the machine in time for inspection, otherwise, more hopper deformation and falling off will be caused; at the position connecting the hopper, the hopper belt will be torn. The main causes of hopper falling off are as follows:

(1) The direct cause of the hopper falling off and deformation is that the material is piled up in the frame, the lifting resistance is increased and the hopper is not running smoothly. At this time, stop the machine immediately, draw out the lower plug plate of the engine base, discharge the accumulated materials in the base, replace the new hopper, and then start production. At this time, reduce the feeding amount and try to find the uniformity.

(2) The position of the feeding port is too low. In general, when the elevator is in production, the hopper will hold the materials coming in from the feeding port. If the position of the feed port is too low, the hopper will not be able to take the material, and most of the material will enter the frame, causing the hopper to scoop the material. And the material is block, it is easy to cause hopper deformation, fall off. At this time, the position of the feed port should be adjusted above the center line of the bottom wheel.


(3) The material of the hopper is not good and the strength is limited. The load-bearing parts of the hopper elevator have high requirements for its materials. The materials with good strength should be selected as far as possible during installation. Generally, the hopper is welded or pressed with ordinary steel plate or galvanized sheet, and its edge is folded or drawn into lead wire to enhance the strength of hopper.

(4) When the machine is started up, the accumulated materials in the frame are not removed. In the production, the sudden power failure or other reasons may cause the hopper to break and fall off if the accumulated materials in the frame are not removed when the machine is started again. Therefore, it is necessary to remove the accumulated material chips in the frame between shutdown and start-up to avoid hopper falling off. In addition, regularly check whether the connection between hopper and hopper belt is firm. In case of screw loosening, falling off, hopper skew and damage, timely maintenance or replacement should be carried out to prevent more serious accidents.