Three degree-of-freedom parallel mechanism tea screening machine

A technology of screening machine and degree of freedom, which is applied in the direction of screening, solid separation, grid, etc., can solve the problems of shortening the screening time and insufficient vibration freedom, and achieve shortening screening time, convenient control and strong adaptability Effect

Active Publication Date: 2012-09-26
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of insufficient vibration freedom of existing tea sieving machines, and propose a three-degree-of-freedom

Method used

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  • Three degree-of-freedom parallel mechanism tea screening machine
  • Three degree-of-freedom parallel mechanism tea screening machine
  • Three degree-of-freedom parallel mechanism tea screening machine

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Example Embodiment

[0013] The specific embodiments of the present invention will be described in detail below with reference to the drawings.

[0014] Such as figure 1 As shown, a three-degree-of-freedom parallel mechanism tea sieving machine consists of a horizontal slide rail 1, a horizontal slide rail 2, a Y-direction vibrating chain 3, a screen frame 4, an X-direction vibrating chain 5, a vibrating chain 6 rotating around the X axis, and a It consists of 7 vertical slide rails. Among them: one end of the Y-direction vibration chain 3 is installed on the horizontal slide rail 1 and the horizontal slide rail 2, and the other end is connected with the screen frame 4; one end of the X-direction vibration chain 5 is installed on the horizontal slide rail 1, and the other end is fixed to the screen frame 4; One end of the vibrating chain that rotates around the X axis is installed on the vertical slide rail 7 and the other end is fixed on the screen frame 4; the vibrating mechanism is composed of thr...

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Abstract

The invention discloses a three degree-of-freedom parallel mechanism tea screening machine relating to tea screening machinery. The three degree-of-freedom parallel mechanism tea screening machine is composed of a screen frame, an X-direction vibration chain, a Y-direction vibration chain, an X-shaft rounded rotation vibration chain, two horizontal slide rails and a vertical slide rail. The X-direction vibration chain and the Y-direction vibration chain are distributed on the two horizontal slide rails, and a vibration chain rotating around the X-axis is distributed on the vertical slide rail vertical to the horizontal plane. A vibration mechanism of the three degree-of-freedom parallel mechanism tea screening machine is composed of three branched chains PPPR, PRRR and PRRRR which are in parallel movement. With the adoption of the vibration mechanism, the parallel movement of the tea screen frame along the X direction and the Y direction and the rotation around the X-axis direction can be realized. The three vibration chains forming a parallel mechanism of the tea screening machine are not interfered with one another and are completely decoupled so that the vibration amplitude, the vibration frequency and vibration slope angles can be independently adjusted, the screen frame can be suitable for the needs of the tea screening, and the tea screening efficiency is obviously improved.

Description

technical field [0001] The invention relates to a tea screening machine, in particular to a three-degree-of-freedom shaking tea screening machine. Background technique [0002] At present, the tea screening machinery used in production generally adopts a crank rocker mechanism to make the screen frame move in a plane with a single degree of freedom. Due to the small degree of freedom of movement, it is difficult to quickly and evenly distribute the tea leaves on the screen surface, thereby reducing the contact area between the tea leaves and the screen surface. At the same time, due to the planar reciprocating movement of the screen frame, it is difficult for the tea leaves to bounce up, which is prone to problems such as blockage of the screen holes. Part of the screening machinery improves the screening efficiency by increasing the vibration amplitude and frequency, but due to the increase in friction loss, the service life of the screening machine is shorter. [0003] Th...

Claims

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Application Information

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IPC IPC(8): B07B1/36B07B1/42
Inventor 谢俊张晓庆刘军刘月
Owner JIANGSU UNIV
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