Four-degree-of-freedom robot mechanism capable of realizing whole-circle rotation
A technology of robot and degree of freedom, applied in manipulators, program-controlled manipulators, manufacturing tools, etc., can solve problems such as rigidity, precision and acceleration asymmetry, difficult design of moving platform, large size of moving platform, etc., to meet complex pick-and-place operations requirements, high speed and acceleration capabilities, and good precision
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[0022] Below in conjunction with embodiment the present invention is described in further detail:
[0023] combined with Figure 1-4 , a four-degree-of-freedom robot mechanism capable of full rotation in the present invention includes a fixed frame 1, a rotating table 2, a rotating table driving device 3, a moving platform, and a first branch chain connecting the rotating table 2 and the moving platform. , the second branch and the third branch,
[0024] The rotary table driving device 3 is fixedly connected to the fixed frame 1, the rotary table 2 is rotationally connected to the fixed frame 1, and is fixedly connected to the driving end of the rotary table driving device 3;
[0025] The first branch chain and the second branch chain structure are identical, and are distributed on both sides of the third branch chain;
[0026] The first branch chain includes a first driving device 11, a first near frame rod 12, a first upper connecting shaft 13, two parallel and equal long ...
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