Three-freedom-degree parallel translation rapid cutter server
A degree of freedom and servo technology, applied in the direction of manufacturing tools, large fixed members, metal processing machinery parts, etc., can solve the problems of large space occupation, inconvenient application, and inability to compensate displacement in multiple directions, so as to reduce the accuracy and increase the working space Effect
Active Publication Date: 2017-05-31
GUANGDONG UNIV OF TECH
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Problems solved by technology
At present, the surface complexity of the processed workpiece is increasing day by day, and higher requirements are put forward for the performance of FTS, such as response frequency, working stroke, tracking accuracy, etc. The research of FTS has become one of the current research focuses in the field of ultra-precision machining, but There are many contradictions in the current customary FTS structure, for example, it takes up a huge space, it is extremely inconvenient to apply in production and processing, and the manufacturing cost is too high; while the structure is more streamlined, it can only be limited to a single degree of freedom, and cannot be compensated in multiple directions displacement
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[0035] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.
[0036] Such as Figure 1-6 As shown, a three-degree-of-freedom parallel translational fast tool servo includes a mounting base 100, a bridge-type enlarged structure 200, a branch chain 300 and an end effector 400;
[0037] The bridge-type amplifying structure 200 and the branch chain 300 are provided with three sets, each of the bridge-type amplifying structures 200 is vertically installed with one branch chain 300;
[0038] Three groups of bridge-type amplifying structures 200 are installed on the installation base 100 in an equidistant circular array with the center of the installation base 100 as the center;
[0039] The three groups of branch chains 300 form a bracket structure, and the ends of the three groups of branch chains 300 are mounted on the end effector 400 together.
[0040] Through...
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The invention discloses a three-freedom-degree parallel translation rapid cutter server. The three-freedom-degree parallel translation rapid cutter server comprises a mounting base, three sets of bridge type amplifying structures, three sets of branched chains and a tail end execution device; each bridge type amplifying structure is vertically provided with one branched chain, the three sets of bridge type amplifying structures are mounted on the mounting base in an equal-distance annular array manner with the center of the mounting base as the round center, a support structure is formed by the three sets of branched chains, and the ends of the three sets of branched chains are jointly mounted at the tail end execution device. The three-freedom-degree parallel translation rapid cutter server is compact and simple in structure and has the good stability.
Description
technical field [0001] The invention relates to a fast tool servo technology, in particular to a three-degree-of-freedom parallel translational fast tool servo. Background technique [0002] Fast tool servo system (fasttool servo, FTS) is also called fast tool servo system, micro-feed servo system or fast servo tool post, etc. Install FTS on non-circular CNC turning or asymmetric turning machine tools. During the turning process, the spindle drives the workpiece to rotate, and the tool is driven by the FTS along the radial direction of the workpiece (for non-circular turning) or the axis at the frequency associated with the spindle speed. Reciprocating feed motion to (for non-axisymmetric turning) to process non-circular cross-sectional profiles or non-axisymmetric end faces of workpieces. In non-circular CNC turning, the application of FTS can process internal combustion engine piston contours, camshafts, cams, non-circular bearing inner contours, etc. In non-axisymmetric...
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CPCB23Q1/44
Inventor 黄力雄汤晖陈新梁浩韩承毅何思丰邱迁李宏城高健贺云波杜雪李杨民尹自强
Owner GUANGDONG UNIV OF TECH