Structure and working principle of elastic connecting rod vibrating conveyor

02 . 16, 2021

Description:

The elastic connecting rod vibrating conveyor uses the rotation of the eccentric shaft (also known as the crank) to drive the vibrating trough to achieve linear reciprocating motion by driving the connecting rod and the main vibration spring to achieve material conveying. The elastic link type vibrating conveyor is a kind of vibrating conveyor with strong practicability, which has stability and reliability in the state of vibration.

screw conveyor
elastic connecting rod vibrating conveyor

The elastic connecting rod vibration conveyor has the characteristics of low frequency and large amplitude. Let us understand the structure and working principle of the elastic connecting rod vibration conveyor.

1. Structure:

When the elastic link vibrating conveyor is used as a double-mass body mechanism, its structure includes trough (upper mass), frame (lower mass), main vibration spring, vibration isolation spring, support spring, and support swing rod (also known as guide Connecting rod), drive connecting rod, eccentric shaft, motor, pulley and triangle tape. The tank and the bracket are respectively supported by a rigid support pendulum rod and a support spring, and are connected by the main vibration spring, the eccentric shaft, and the drive connecting rod to form the excitation force source assembly. The frame is supported by the vibration isolation spring and separated from the foundation. Dual structure.

2. Working principle:

When the motor is driven by the triangular belt to drive the eccentric shaft to rotate, the drive connecting rod and the main vibration spring are used to excite the vibrating tank body to make a linear reciprocating movement along a certain excitation direction, so as to bring the animal material and work into a directional throwing motion to achieve vibration The purpose of transportation. Because the vibration amplitude is a fixed value (that is, the eccentricity of the eccentric shaft), the stability in the vibration state is good, the required excitation force and power consumption are relatively low, and the transmission of the excitation force is stable, which can realize long-distance transportation And many other applications.

screw conveyor
elastic connecting rod vibrating conveyor

The elastic link type vibration conveyor is a near-resonance type vibration conveyor. When the vibration conveyor is a single mass (without vibration isolation spring), the vibration inertia force is relatively large, and the dynamic load transmitted to the foundation is relatively large, which is bound to occur Unstable factors and easy to cause damage to the machine parts, hinge fulcrum, vibration and noise. Generally, the structure of the elastic link type vibration conveyor usually adopts vibration isolation springs, so that the frame and the vibration tank body form a double-mass type; and the vibration form is still linear vibration, which is beneficial to production and application.

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Vibration Conveyor