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Two-dimensional-translation one-dimensional-rotation three-degree-of-freedom mechanical arm
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A technology of manipulators and degrees of freedom, applied in manipulators, program-controlled manipulators, manufacturing tools, etc., can solve problems such as difficulty in ensuring assembly quality and low production efficiency
Inactive Publication Date: 2014-04-16
GUANGDONG UNIV OF TECH
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Therefore, the production efficiency is low and the assembly quality is difficult to guarantee
Method used
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[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0021] The moving motor 1 is a stepping motor, fixed on the end of the base 18, and connected with the screw mandrel 3 through a coupling 2. The mobile motor 1 drives the screw mandrel to rotate. A nut is fixed on the screw mandrel with the slide block 17, causing the slide block to only slide on the guide rail in the base 18. Swing motor 4 is also a stepping motor, is fixed on the slide block 17, drives the 4th synchronous wheel 15 rotations by the first synchronous wheel 5, and the 4th synchronous wheel 15 drives the central shaft to rotate again, thereby drives mechanical arm 7 to rotate. Swing motor 4 only does the rotation motion of positive and negative direction here, drives mechanical arm to do the reciprocating motion of 180 degree angles. The lifting motor 12 is also a stepping motor, which drives the third synchronous wheel 14 to rotate through t...
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Abstract
The invention discloses a two-dimensional-translation one-dimensional-rotation three-degree-of-freedom mechanical arm, which consists of a movable motor, a coupler, a screw, a swing motor, a lifting motor, a sliding block, a base, a central shaft, a substrate, a fourth synchronous wheel, a third synchronous wheel, a spatial cam, a flange I, a mechanical arm, a suction mouth, a spring, a flange II, a second synchronous wheel, a first synchronous wheel, a regulating nut and a belt, wherein the mechanical arm has functions of picking up and loading riveting struts, namely the mechanical arm has two-dimensional-translation and one-dimensional-rotation three degrees of freedom, wherein the one-dimensional translation realizes the movement of the mechanical arm among the riveting struts for selecting different kinds of riveting struts; the other one-dimension translation is vertical movement for allowing the suction mouth on the mechanical arm to perform actions of picking up and loading riveting struts; and the one-dimensional rotation allows the mechanical arm to move to and fro between a riveting strut station and a rivet screwing head so as to realize the conveying of the riveting struts.
Description
technical field [0001] The invention relates to a three-degree-of-freedom manipulator with two-dimensional translation and one-dimensional rotation. Background technique [0002] It is a common assembly process to assemble rivet studs, thin rods or thin shafts on metal sheet parts by riveting, and it is mainly used in mechanical and electronic products, such as CD players, CD drives, etc. Parts such as rivet posts, thin rods or thin shafts are important parts that help realize the movement of parts, and often have the characteristics of large number of parts, complex varieties, and high requirements for installation accuracy. It is necessary to locally deform the rivet stud head by rotating riveting to form riveting with the metal sheet shell. At present, placing the sheet metal parts to be riveted, taking the riveting column, loading the riveting column and operating the rivet head are generally manual labor. Therefore, the production efficiency is low, and the assembly q...
Claims
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Application Information
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