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Six-degree-of-freedom position posture full-decoupling adjustable clamp

A degree of freedom and fixture technology, applied in positioning devices, clamping, manufacturing tools, etc., can solve the problem of not completely solving the realization of the adjustable function of 3 attitude parameters, and achieve reliable locking, high repeat positioning accuracy, and position and attitude compensation. Effect

Active Publication Date: 2014-06-25
安徽纽威吉新能源汽车技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, regarding the design of adjustable fixtures, the problem of realizing the adjustable function of the processed workpiece in the space of 3 position parameters and 3 attitude parameters (that is, all pose parameters) has not been completely solved.

Method used

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  • Six-degree-of-freedom position posture full-decoupling adjustable clamp
  • Six-degree-of-freedom position posture full-decoupling adjustable clamp
  • Six-degree-of-freedom position posture full-decoupling adjustable clamp

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Embodiment

[0042] see figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Image 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 , Figure 14 Figure 15 , a six-degree-of-freedom fully decoupling adjustable fixture device includes three parts: an x-axis shifting and rotating assembly, a y-axis shifting and rotating assembly, and a z-axis shifting and rotating assembly.

[0043] The x-axis shifting and rotating assembly includes a workpiece table 1, a screw 2 in the x-axis direction, an x-axis shifting and rotating double-pair member 4, an x-axis rotating y-axis moving double-pair member 5, a y-axis rotating worm 25, and a supporting positioning bearing Cover 3, left support positioning bearing cover 6, rear support positioning bearing cover 9, right support guide bearing cover 7 and front support guide bearing cover 8.

[0044] The y-axis shifting and rotating assembly includes a screw 11 in the direction of the y-axis, a y-ax...

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Abstract

The invention relates to a six-degree-of-freedom position posture full-decoupling adjustable clamp. The dynamic platform posture is compensated through the increment of the posture change range of a workpiece and a workpiece clamp, so that the problem of low implementation ability of the dynamic platform posture of a parallel machine tool is solved. The six-degree-of-freedom position posture full-decoupling adjustable clamp comprises an x-axis shifting and rotating assembly, a y-axis shifting and rotating assembly and a z-axis shifting and rotating assembly. A screw drive mode and a concave-convex dovetail structure form a shifting motion; a worm drive mode and a shaft hole clearance fit structure form a rotating motion; and the six-degree-of-freedom position posture full-decoupling adjustable clamp can be shifted and rotated along the x axis, the y axis and the z axis and around the x axis, the y axis and the z axis through structure innovation and matched mounting of shifting and rotating members for shifting a guide direction to be parallel to and vertical to a rotating shaft. The six-degree-of-freedom position posture full-decoupling adjustable clamp is reasonable and compact in space layout, accurate in positioning and firm in clamping, and the backstroke self-locking property is achieved in driving; and the six-degree-of-freedom position posture full-decoupling adjustable clamp can be manually adjusted and can be also accurately adjusted by software programming and driving a driving part of the clamp by a servo motor.

Description

technical field [0001] The invention relates to a parallel machine tool process system, in particular to a six-degree-of-freedom position and posture adjustable fixture. Background technique [0002] A parallel mechanism (Parallel Mechanism) can be formed by connecting the dynamic platform and the static platform in parallel through at least two independent kinematic chains. Generally, the parallel mechanism has at least two degrees of freedom. Due to the dual relationship in structure and performance between the parallel mechanism and the serial open-chain mechanism (or serial robot), they are not substitutes but complementary in application. The series open chain mechanism (or series robot) has been widely used in the industry due to its flexible posture of the execution head, while the parallel mechanism has the advantages of small cumulative error, high output accuracy, large structural rigidity, strong bearing capacity and low dynamic inertia. , has always attracted re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q3/06
Inventor 高洪肖平许德章张海涛蒋璇吴忠义王治平胡静丽
Owner 安徽纽威吉新能源汽车技术有限公司
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