YK Series Circular Vibrating Screen

YK series circular vibrating screen is a high-efficiency screening machine specially designed for screening sand and gravel aggregate for highway, railway and construction. For medium and fine screening operations. Inclined circular vibrating screen has different configurations such as two-layer, three-layer and four-layer screen surfaces. YK sieve is also suitable for final screening of finished aggregate. This series can also be equipped with high-efficiency sprinkler system. The connection between the side plate and the stiffening beam, cross beam and stiffening beam is all made of torsional shear high-strength bolts for steel structure (tensile stress is 900MPa), which has higher connection strength than ring groove rivets (tensile stress is 300mpa) and is easy to replace. At the same time, the phenomenon of extruding micro cracks from the connection bolt holes due to improper riveting is avoided.

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Description

Machine Construction

The vibrating screen is composed of screen box, support device, vibration exciter, tire coupling, motor, etc.

Working Principle

Circular vibrating screen is also known as single shaft vibrating screen. The vibration force generated by the vibration source of circular vibrating screen is an inertial force that changes regularly around the fixed axis. Its essence is the centrifugal force formed by the rotation of eccentric mass around the fixed axis. Its trajectory is close to a circle. The working principle of the circular vibrating screen is that after the screen machine is started, the vibrator of the screen machine drives the vibrating box to make directional jumping movement together. During this period, the materials smaller than the aperture of the screen surface fall to the lower layer through the screen hole and become the materials under the screen. The materials larger than the aperture of the screen surface are discharged from the discharge port after continuous jumping movement. Finally, the screening work is completed. According to the special structure and working principle of the circular vibrating screen, the screen surface is generally inclined with an inclination angle of 15-25 degrees.

Equipment Character

The circular vibrating screen motor is connected with the vibration exciter through the transmission bearing seat, and the service life of the motor can be guaranteed. At the same time, the frequency of the vibrating screen can be easily adjusted by replacing the belt pulley. The support of the screen adopts rubber spring, which has the advantages of long service life, corrosion resistance, stable passing through the resonance zone, low noise and small impact on the foundation compared with metal spring; The flexible coupling is adopted for the connection between the motor and the vibration exciter, so that the transmission of torque has no transmission of axial force, so as to make the operation of the screening machine more stable; Large circular vibrating screen adopts excellent horizontal synchronous belt structure. Compared with five gear synchronizer, it has light weight and convenient maintenance. For metal mining industry with large bulk density and thick material layer, polyurethane block screen with high strength is adopted.

① NJ vibration exciter is used to assemble domestic bearings, which can not only meet the bearing requirements, but also realize convenient and fast integral disassembly and assembly;

② The rivet locking structure and beam frame design make the strength distribution of the longitudinal members of the screen more reasonable;

③ Modular design reduces the types of parts and components of the screening machine, makes the maintenance of the screening machine quite convenient, and there are very few maintenance points at the same time;

④ Equipped with rubber spring and flexible sheet connection, the screen runs smoothly;

⑤ The layer spacing is large, which is convenient for maintenance and screen replacement.

Product Parameter

YK Series vibrating screen

Model	Decks	Vibration frequency (HZ)	Max. feed size (MM)	Capacity （T/H）	Power （KW）	Deck dimension (MM)
2YK1545	2	970	300	100-180	6P*15	1500x4500
3YK1545	3			100-180	6P*15
4YK1545	4			100-180	6P*18.5
2YK1548	2	970	300	63-300	6P*15	1500x4800
3YK1548	3			180-280	6P*15
4YK1548	4			35-315	6P*18.5
2YK1848	2	970	300	100-500	6P*18.5	1800x4800
3YK1848	3			100-200	6P*18.5
4YK1848	4			100-200	6P*22
2YK1860	2	970	400	100-300	6P*18.5	1800x6000
3YK1860	3			100-250	6P*18.5
4YK1860	4			100-250	6P*22
2YK2160	2	970	400	150-800	6P*22	2100x6000
3YK2160	3			150-800	6P*30
4YK2160	4			150-800	6P*30
2YK2460	2	822	400	150-875	6P*30	2400x6000
3YK2460	3			150-875	6P*30
4YK2460	4			150-875	6P*37
2YK2470	2	822	400	150-875	6P*37	2400x7000
3YK2470	3	822	400	150-875	6P*37	2400x7000
2YK2870	2	822	400	150-875	6P*37	2800x7000
3YK2870	3			150-875	6P*45
4YK2870	4			150-875	6P*45
2YK3075	2	856	500	200-950	8P*30x2	3000x7500
3YK3075	3	856	500	200-950	8P*30x2	3000x7500

LF series heavy vibrating screen

Model	Decks	Vibration frequency (HZ)	Max. feed size (MM)	Capacity （T/H）	Power （KW）	Deck dimension (MM)
2LF1860	2	970	400	150-450	22x2	1800x6000
2LF2160	2	970	400	300-800	30x2	2100x6000
2LF2460	2	822	400	250-1000	37x2	2400x6000
2LF3060	2	856	500	350-1200	45x2	3000x6000