Spray-coating robot with parallel structure

Abstract

The invention discloses a spray-coating robot with a parallel structure. The spray-coating robot comprises a waist lifting mechanism, a shoulder lifting mechanism, an elbow slewing mechanism, a spray gun slewing mechanism and a rack. According to the spray-coating robot disclosed by the invention, all motors can be installed on the rack, and used for driving the slewing of the waist lifting mechanism, the shoulder lifting mechanism, the elbow slewing mechanism and the spray gun slewing mechanism in a working space by controlling the slewing of double drive rods, a first drive rod, a second drive rod and a spray gun base. Rod pieces can be produced into light rods, thus the spray-coating robot disclosed by the invention is good in the dynamics performances of the mechanisms, stable in performance, good in reliability, and capable of meeting the requirements of high-speed and high-accuracy spray-coating; moreover, the spray-coating robot has the advantages of being large in working space, high in flexibility, convenient to control, simple to machine and reliable in working, is suitable for small common spray-coating work, and can also be used for spray-coating work for large or heavy structures.

Description

technical field [0001] The invention relates to the field of industrial robots, in particular to a side-by-side structure spraying robot. Background technique [0002] Spraying robot is a kind of industrial robot for spraying operation, which can replace manual, complete various spraying operations in an environmentally friendly and efficient manner. It is widely used in automobile body spraying and other fields, and has become one of the most widely used industrial robots in the market. The existing mechanical structures of spraying robots mainly include parallelogram structure and side-mounted or pendulum structure, which are widely used because of their relatively large working space and relatively flexible movements. However, with the development of the industry, this type of traditional open-chain serial spraying robot mechanism has gradually become difficult to meet the needs of production in terms of work space and flexibility, and due to its own structural limitation...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a spraying robot with a side-by-side structure, which solves the problem that the working space and flexibility of the traditional open-chain series spraying robot mechanism are not large enough, and the motors need to be installed at the connection, resulting in heavy arm weight, poor rigidity, and large inertia. Problems such as poor dynamic performance of the mechanism meet the requirements of high-speed and high-precision spraying. It is not only suitable for small-scale ordinary spraying operations, but also for large-scale or heavy-duty structural spraying operations.

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