Circular vibrating screen for synchronous speed change and double excitation of screening machine and working method of circular vibrating screen
A technology of circular vibrating sieve and screening machine, which is applied in chemical instruments and methods, filtering, solid separation, etc., and can solve problems such as the lack of tensioning devices in circular vibrating sieves, the loosening of timing belts, and the difficulty in realizing synchronous operation of exciters.
Pending Publication Date: 2021-04-16
ZHEJIANG BOYUAN MACHINERY EQUIP
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Problems solved by technology
The linear vibrating screen vibrates in an elliptical shape, while the principle of the circular vibrating screen is circular vibrating; the two exciters of the linear vibrating screen operate independently, while the two exciters of the circular vibrating screen operate synchronously. The vibrating screen lacks the corresponding tensioning device, which makes the timing belt loose after the equipment runs for a period of time, making it difficult to realize the synchronous operation of the two exciters
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[0034] see Figure 1 to Figure 6 It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the present invention It is a restrictive condition that can be implemented, so it has no technical substantive meaning. Any modification of structure, change of proportional relationship or tightening of size should still be carried out without affecting the effect and purpose of the present invention. fall within the scope covered by the technical content disclosed in the present invention. At the same time, if there are terms such as "upper", "lower", "left", "right", "middle" and "one" in this specification, they are only for the convenience of description and are not used to limit the scope of this specification. The practicable scope of the invention, the chan...
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The invention relates to a circular vibrating screen for synchronous speed change and double excitation of a screening machine and a working method thereof, and belongs to the field of engineering machinery. The circular vibrating screen comprises a screen box and a support and is structurally characterized in that the circular vibrating screen further comprises a tensioning mechanism and two vibration exciters, the screen box is installed on the support, the tensioning mechanism and the two vibration exciters are installed on the screen box, and the two vibration exciters are matched with the tensioning mechanism. Each of the vibration exciters comprises a belt wheel, a gap bridge device, a rubber-tyred coupling, a vibration exciter device and a motor, the motor is connected with the belt wheel, the belt wheel is connected with the gap bridge device, the gap bridge device is connected with the rubber-tyred coupling, the rubber-tyred coupling is connected with the vibration exciter device, and the vibration exciter device is installed on the screen box. The tensioning mechanism is arranged below a synchronous belt, tensioning of the synchronous belt can be adjusted through the tensioning mechanism after the equipment operates for a period of time, then the two vibration exciters operate synchronously, and the resonance effect is achieved.
Description
technical field [0001] The invention relates to a circular vibrating screen used for synchronous variable-speed dual-excitation of a screening machine and a working method thereof, belonging to the field of engineering machinery. Background technique [0002] The vibrating screen is a kind of mechanical equipment that drives the screen box to vibrate according to a certain trajectory through the vibrator, and performs screening operations. According to the trajectory of the screen box, the vibrating screen can be divided into circular vibrating screens, linear vibrating screens and elliptical vibrating screens. . The linear vibrating screen vibrates in an elliptical shape, while the principle of the circular vibrating screen is circular vibrating; the two exciters of the linear vibrating screen operate independently, while the two exciters of the circular vibrating screen operate synchronously. The vibrating screen lacks the corresponding tensioning device, which makes the ...
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IPC IPC(8): B07B1/40B07B1/42
Inventor 陈一佳陈斌嘉朱焘陈飞吴海萍
Owner ZHEJIANG BOYUAN MACHINERY EQUIP