Method and equipment for laying prepreg automatically

Abstract

The invention discloses a method and a device for laying pre-soaking silks automatically, which are used for laying silks on a first surface and a second surface which are adjacent to each other of a mould. The method comprises the following steps that: (a), a main roller presses the pre-soaking silks and advances on the first surface, so as to absolutely lay the pre-soaking silks on the first surface longitudinally; (b), the main roller presses the pre-soaking silks, gets away from the first surface and continuously advances on the first surface in the tangential direction, so as to enable the pre-soaking silks to be totally extended out of the first surface transversely; (c), the main roller presses the pre-soaking silks which are extended out of the first surface on the second surface; and (d), an assistant roller compacts the pre-soaking silks which are extended out of the first surface on the second surface. By applying the method and device for laying pre-soaking silks automatically, the pre-soaking silks positioned on folded edges of the mould can be flatly laid.

Description

technical field [0001] The invention relates to a method and equipment for automatically laying prepregs. Background technique [0002] Advanced composite materials have the characteristics of high specific strength and high specific modulus, so that they can significantly reduce the structural quality compared with traditional materials while meeting the same strength requirements, and their status has been unanimously recognized by the aerospace industry. The technology of automatic prepreg laying of composite materials has the advantages of high molding accuracy, strong adaptability to curved surfaces, and large laying freedom, and can realize independent cutting, refeeding and compaction of prepreg, especially suitable for large Precision automatic forming of large composite components with complex curvature surfaces. However, when laying a mold with large folds, such as a spar, one end of the pressure roller will be lifted, causing the laid prepreg to be pulled up, mak...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the technical problem that the prepreg cannot be compacted because the pressure roller lifts up when it encounters the hemming, the invention discloses a method for automatically laying the prepreg, which is used for the adjacent first surface and the adjacent first surface of the mold. Laying silk on the second surface, the method comprises the steps of:

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