Sectional control system for extremely low tension of tows in tow placement equipment

Abstract

The invention provides a sectional type control system for extremely low tension of tows in tow placement equipment. The sectional type control system comprises an equipment main body; the tension regulation and control mechanism is arranged on the equipment main body; and the tension reducing mechanism is arranged on the equipment main body and is connected with the tension regulating and controlling mechanism through the tows. According to the sectional type control system for the extremely low tension of the tows in the tow placement equipment, the tension of the prepreg tows is stably controlled in an extremely low interval through two-stage control adjustment of the tension adjusting and controlling mechanism and the tension reducing mechanism, the situation that the laying tension is too large and not uniform along with speed changes in the movement process of a tow placement head is avoided, and the laying quality is improved. The tension of the tow is always stable when the tow reaches the compression roller to be laid after passing through the shearing function module, the re-conveying function module and the like, so that laid parts are stable in structure and more stable in mechanical property, the laying quality is improved, the whole device is simple in structure and convenient to operate, and the practicability of the whole sectional type control system is improved.

Description

technical field [0001] The invention relates to the technical field of automatic laying and forming of tow, in particular to a segmented control system for extremely low tension of tow in a laying device. Background technique [0002] As the most advanced fiber reinforced composite material molding technology, fiber automatic laying technology has become a hot spot in the current research on composite material automatic manufacturing equipment due to its advantages of high efficiency, high precision, and the ability to manufacture complex-shaped composite components. A relatively mature fiber conveying system has been developed, and in-depth research has been carried out on the tension control algorithm. Whether it is a gantry type or an industrial robot type automatic laying machine, stable and reliable low-tension laying operations can be achieved. Although domestic automatic fiber laying equipment and tension control systems have been rapidly developed in recent years, so...

AI Technical Summary

Problems solved by technology

[0005] The tension control effect of the existing automatic fiber laying equipment is limited by the structural form and control system, and it is impossible to achieve stable low-tension laying operations. Therefore, bridging, overturning and other defects are prone to occur during the laying process on large-area concave surfaces. The tow is extremely prone to wear during conveying

Images