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Two-translational-motion parallel robot

A robot and two-translation technology, applied in the field of robots, can solve problems such as high speed, heavy load, and slow movement speed, and achieve the effects of small inertia, high speed acceleration, and improved flexibility

Inactive Publication Date: 2014-07-02
ANHUI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the movement speed of the robot structure is relatively slow, which cannot meet the requirements of high speed and heavy load in industrial production.

Method used

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  • Two-translational-motion parallel robot

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Experimental program
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Embodiment Construction

[0018] like figure 1 , figure 2 , image 3 , Figure 4 As shown in , a two-degree-of-freedom translational parallel robot consists of a frame 2, a driving device, a motion branch chain and a moving platform 8. The moving platform 8 forms a closed-loop parallel structure with the frame 2 through the motion branch chain; the motion branch chain includes a first branch chain and a second branch chain; the first branch chain and the second branch chain are respectively rotated The movable platform 8 is connected by a hinge; the first branch chain and the second branch chain jointly drive the movable platform to move in translation, and the first branch chain and the second branch chain constrain the three rotational degrees of freedom and one translational freedom of the movable platform 8 Spend.

[0019] See figure 2 , image 3 , Figure 4 , as shown, the first branch chain is composed of the first active arm link 1, the first active arm 5, the first follower arm 6 and t...

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Abstract

The invention discloses a two-translational-motion parallel robot and belongs to the technical field of robots. The robot structure comprises a rack, a movable platform, a first support chain and a second support chain. The first support chain and the second support chain are together connected to the rack and the movable platform and respectively comprises a drive arm, a driven arm and a connecting rod, the two support chains are concentrically installed, and the first support chain and the second support chain are connected with drive devices fixed to the rack respectively through the drive arms. The first support chain and the second support chain are connected with the rack and the movable platform respectively. A parallelogram theorem and the parallel support chain structure are adopted for limiting the freedom degree of the movable platform, the problems that a parallel robot is heavy in structure and insufficient in structure stiffness and strength are effectively solved, and the two-translational-motion parallel robot is easy to manufacture, convenient to install and debug and low in cost for mechanism manufacturing.

Description

Technical field: [0001] The invention belongs to the technical field of robots, and in particular relates to a two-translational parallel robot. Background technique: [0002] In the automated production lines of industries such as light industry, medicine, food, and electronics, operations such as sorting, packaging, and packaging often require manipulators with end-effectors that perform high-speed operations in space, so it is unnecessary to use multi-degree-of-freedom space parallel manipulators , or the manufacturing cost is too high. Patent CN1355087A discloses a robot mechanism, which includes a frame, a moving platform and two branch chains, the moving platform is provided with an actuator; the two ends and the center of the frame are respectively equipped with servo motors; the The moving platform is connected to the frame through two branches to form a parallel closed-loop structure; each of the two branch chains contains two parallelogram structures, which are re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25J9/00
Inventor 张良安高鲁文余晓流解安东王鹏万俊柏家峰谭玉良
Owner ANHUI UNIVERSITY OF TECHNOLOGY
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