Three-chain parallel machine tool

A machine tool and parallel technology, applied in the field of machine tools, can solve the problems of poor process adaptability and small working space, and achieve the effect of low manufacturing cost, large working space and easy real-time control
CN101774128AInactive Publication Date: 2010-07-14NORTHEASTERN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NORTHEASTERN UNIV
Publication Date
2010-07-14
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a three-chain parallel machine tool, which comprises a machine tool body, Hook hinged shafts, telescopic rods, a parallel mechanism, a translation table, a double-cross shaft and a workbench, wherein the machine tool body is provided with two Hook hinged shafts and a double-cross shaft, two upper telescopic rods are respectively assembled on the two Hook hinged shafts, the lower telescopic rod is assembled on the double-cross shaft, one end of the two upper telescopic rods and one end of the lower telescopic rod are commonly arranged on the translation table, and the parallel mechanism is arranged between the translation table and the double-cross shaft. The machine tool is in a three-chain structure, inverse kinematics solution and forward kinematics solution are explicit expressions, the calculation is simple, so no singularity or dead spot exists, no coupling exists, and because the machine tool has simple mechanism, the real-time control is easy, the operating space is large, the working is reliable, and the cost is lower.
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Description

Technical field:

[0001] The invention relates to a machine tool, in particular to a three-bar parallel machine tool. Background technique:

[0002] Parallel machine tool is a new type of CNC machine tool that has appeared in recent years. The six-bar parallel machine tool is a kind of parallel machine tool. There are six telescopic rods installed on the machine tool, and a motion platform is jointly installed on the lower part of the telescopic rod. The processing tool is installed, and the movement of the telescopic rod drives the movement platform under the telescopic rod to realize the processing process. This kind of six-bar parallel machine tool has the advantages of stable structure and strong rigidity, but there are many shortcomings and shortcomings in the application process of the six-bar parallel machine tool. For example, it is difficult to model the six-bar parallel machine tool, the working space is narrow, and the process adaptability is poor. Many shortcomings. ...

Claims

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