SU40289A1 - Vibrating screen - Google Patents

Description

Vibrating screens equipped with an eccentric drive and having an elastic connection between the movable and stationary wounds are already known.

In the proposed similar screen, the plastic is located in the form of a ring between the annular protrusion of the bearing of the fixed frame and the annular protrusion of the bearing of the movable frame.

In FIG. 1 shows a vibrating screen in a longitudinal section; and FIG. 2 - the same in cross section.

The proposed screen is basically a conventional Dzhirex type vibrating screen, equipped with an eccentric shaft 3. The vibrating frame 1 receives fast circular movements as the eccentric shaft 3 rotates. In conventional screens, the connection between the movable 1 and the moving 2 frames is achieved using one form or another of springs or elastic bushings placed along the edges of the screen. In the proposed Estration, the elastic connection 6 iiocTa is connected between one form or another by annular protrusions 4-5, of which the annular protrusion 5 is connected with the bearing 8 of the fixed frame 2y and the annular protrusion 4 is connected with the bearing 7 of the vibrating frame 1.

The form of an elastic connection can be chosen any, for example in the form of metal fingers, included in rubber bushings, in the form (5)

deplets, a simple circular plate or a gear, etc., and the location of them necessarily around the bearings. A moisture tare for such a device has the ability to change the tilt of the screen yro.i. Balancing: in this case, the handwheels can be 110m in the space between the annular i protrusions of the elastic link.

To prevent arbitrary rotations of the vibrating frame 1, or under the action of ore, or by accidentally pressing on the edge of the screen, the elastic connection 6 must be clamped sufficiently tightly.

Alternatively, the elastic connection can be selected to gear. In this case, the teeth should be located necessarily around the bearings and can be either in the form of teeth in the iloscuses of the ring protrusions, or in the form of end faces. In all cases, for engagement, the teeth of one annular protrusion of one sub-shaft enter into the depressions of the annular protrusion of the bearing, and between; The surfaces of the teeth and valleys are placed in an elastic layer with elasticity that ensures the possibility of circular movement I of the screen. The zone of greatest compression, and in other cases another kind of deformation, during the operation of the screen, moves but circle i with the angular velocity of rotation of the shaft. Most likely, rubber can be recommended as a suitable material for elastic bonding.

Subject and dividing

.

1. Vibrating screen with the use of an eccentric and elastic connection between the movable and stationary frames, characterized in that it is elastic, the connection 6 is located B as a ring between the annular protrusion

bearing frame with a sliding frame 2 and an annular protrusion of the bearing of the movable frame 1.

2. The form of the device according to and. 1, characterized in that, in order to strengthen the engagement, the annular protrusions 4 and 5 of the bearings are provided with toothed weights.

Fig / g, 55

, B -., L /

376 g

Fig 2.

L THEM: qu