VIBRATING CONVEYOR AND THE METHOD FOR CONTROLLING THE OPERATION OF THE VIBRATING CONVEYOR

• Main Authors: Czubak, Piotr, Bednarski, Lukasz, Surówka, Witold
• Format: Patent
• Language: English; French; German
• Published: 01.05.2024
• Subjects: CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; PACKING; PERFORMING OPERATIONS; PNEUMATIC TUBE CONVEYORS; SHOP CONVEYOR SYSTEMS; STORING; TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING; TRANSPORTING

The subject matter of the invention relates to a vibrating conveyor and a method for controlling the operation of the vibrating conveyor with variable performance, with the possibility of stopping transport. The conveyor is characterised in that it comprises a dynamic mass of the eliminator (2), the centre of gravity (9) of which lies on the line of action of the resultant force of the electro-vibrators (3), and also comprises a resilient suspension of the mass of the eliminator (2) which is provided by an additional coil spring (5) with the axis coinciding with the direction of the line of action of the electro-vibrators (3) resultant force and at least a pair of spring bars (6) with a longitudinal axis perpendicular to the direction of the line of action of the resultant force of the electro-vibrators (3). The method for controlling the operation of the vibrating conveyor consists in that, the excitation frequency (ω) of the electric motors of the electro-vibrators (3) is set and smoothly adjusted by means of inverters (7) so that the operating point (W) is situated on the rising slope of the second resonance of the conveyor characteristic A(ω) describing the dependence of the vibration amplitude (A) of the trough (1) on the excitation frequency (ω), whereas in order to stop the transport, with the vibration drive on, the excitation frequency (ω) is reduced to a value equal to or close to the partial eigenfrequency ωe1 of the mass of the eliminator (2) so that the operating point (W) is situated in the anti-resonance valley (V) preceding the second resonance.