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Two degrees of freedom moving planar parallel mechanism

A degree of freedom, plane technology, applied in manipulators, program-controlled manipulators, manufacturing tools, etc., can solve the problem of high manufacturing cost, and achieve the effect of low manufacturing cost, reduced motion quality, and light weight

Inactive Publication Date: 2008-01-30
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, in the automated production lines of light industry, medicine, food and electronics industries, such as the welding head mechanism of the chip bonder, the wafer feeding mechanism, and the placement mechanism of the SMT (surface mount) PCB (printed circuit board) etc. The welding head is a two-degree-of-freedom transmission mechanism. It is unnecessary to use a multi-degree-of-freedom parallel mechanism, or the manufacturing cost is too high

Method used

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  • Two degrees of freedom moving planar parallel mechanism

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Embodiment Construction

[0012] The preferred solution for the implementation of the present invention is given below and described in conjunction with the accompanying drawings.

[0013] The overall structure of this embodiment is shown in Figure 1. The fixed platform 1 is made up of two guide rails that are perpendicular to each other. The two guide rails are perpendicular to each other because the welding head is required to have a translational movement in these two directions when it is working. If The movement is completed by synthetic motion, and the two guide rails can also be non-perpendicular. The connecting plate 6 connects the active slider 5 and the driven slider 7, so that the active slider 5 and the driven slider 7 have the same movement. 2. The motion branch chain composed of connecting rod 3, active slider 5, connecting plate 6, driven slider 7, connecting rod 4, and connecting rod 8 connects the fixed platform 1 and the moving platform 9, and the structure of the motion branch chain i...

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Abstract

This invention belongs to industry robot field and provides a two free degree plane parallel structure, which comprises fixed platform and moving platform and the moving chain composed of slide block and connection bar. The fixed platform comprises two vertical guide rails. The connection plate connects the drive slide block and passive block. The kinematic pair between slide blocks, drive slide block, passive block and fixed platform is moving pair and other kinematic pair between the rest parts is rotation pair.

Description

technical field [0001] The invention belongs to the field of industrial robots, and in particular relates to a two-degree-of-freedom moving plane parallel mechanism, which is especially suitable for a welding head mechanism of a wafer bonding machine, a key equipment of a semiconductor post-process production line. Background technique [0002] The parallel mechanism is a closed-loop kinematic system composed of multiple parallel chains, that is, one end of multiple kinematic chains is connected to a terminal operator with multiple degrees of freedom at the same time. The parallel mechanism has the following advantages: high stiffness-to-weight ratio; high load-to-weight ratio; small error and high precision; it is easy to place the drive motor on the machine base, which reduces the motion load and can move at high speed; in position solving , the reverse solution of the parallel mechanism is easy; the structure is simple and the degree of modularization is high. [0003] I...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25J9/08
Inventor 陈新温兆麟吴小洪李克天何汉武
Owner GUANGDONG UNIV OF TECH
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