Connecting and supporting device of resonance screen box

Abstract

The invention discloses a connecting and supporting device of a resonance screen box and belongs to an improvement of existing connecting and supporting mechanisms of resonance screen boxes. The connecting and supporting device comprises a screen box combination connection beam and a shearing spring, wherein the shearing spring is arranged between the side surface of the screen box combination connection beam and a rack. The connecting and supporting device is characterized in that an auxiliary vibration spring which is a vertical spring is added to the lower portion of the screen box combination connection beam, the upper end of the auxiliary vibration spring is connected with the screen box combination connection beam through a spring pressure plate arranged below the screen box combination connection beam, and the lower end of the auxiliary vibration spring is fixed on the rack of a resonance screen through a spring support seat arranged on the resonance screen rack. By means of such an improvement, the auxiliary vibration spring and the original shearing spring of the screen box connecting and supporting device jointly support a screen box combination, so that work load of the shearing spring is greatly reduced, the problem of overwork fracture during usage of the shearing spring can be thoroughly solved, service life of the shearing spring is prolonged, and the resonance screen is reliable in work and low in maintenance expense.

Description

technical field [0001] The invention relates to a device for connecting and supporting a screen box of a resonance screen, belonging to the technical field of screening equipment. Background technique [0002] In the fine material screening industry, the resonance screen is widely used due to its low power consumption and large production capacity. In the existing resonant screens, the screen boxes are generally fixed together by connecting beams to form a combination of screen boxes, and the installation on the frame is realized through the shear spring connection provided between the side of the connecting beam and the frame, and the The overall vibration of the screen box combination is achieved by the vibration motor unit of the device on the box combination. For such a vibrating screen, due to the large vibration mass of the screen box combination, the shear spring used to carry the combined mass of the screen box will have a large deformation. It is easy to break afte...

AI Technical Summary

Problems solved by technology

In the existing resonant screens, the screen boxes are generally fixed together by connecting beams to form a combination of screen boxes, and the installation on the frame is realized through the shear spring connection provided between the side of the connecting beam and the frame, and the The overall vibration of the screen box combination is achieved by the vibration motor unit of the device on the box combination. For such a vibrating screen, due to the large vibration mass of the screen box combination, the shear spring used to carry the combined mass of the screen box will have a large deformation. It is easy to break after working for a long time, which will not only affect the normal operation of the screening operation, but also increase the maintenance cost of the screening machine, so it is necessary to improve the connection and supporting mechanism of the screening box

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