Pultrusion construction of composite material pultrusion machine and the pultrusion machine

Abstract

The invention relates to a pre-stress pultrusion construction of a composite material pultrusion machine and a pultrusion machine thereof, and relates to a device which causes a glass yarn and a glass felt to be composite and thermoplastic to a continuous profile and comprises a yarn-supplied mechanism, wherein, the yarn-supplied mechanism is provided with a tension yarn-released construction which can cause the glass yarn to be in a tension state and to be released and sent to the next process, a yarn-passing shaft which can cause the glass yarn to be in a tension state and to be dipped with plastics, a plastic-dipped yarn-guide unit, and a die part yarn-guide unit which guides the glass yarn to be in a tension state and to enter into the die for being cured. The pre-stress pultrusion construction causes the glass yarn to be able to gain the pre-stress from the yarn-released step, thus the intensity of the fiber reinforced plastic profile is effectively increased; the single-machine double-line traction construction provided by the invention can effectively reduce the energy consumption, can increase the productivity effect, can achieve the on-line detection and eliminate the slipping phenomenon as the product is pulled and extruded, thereby ensuring the traction effect. The pre-stress pultrusion construction has the advantages that the structure is simple, the production cost is low, the industry repetition is easy, and the technology contribution is significant, thereby fully realizing various invention purposes.

Description

technical field [0001] The invention belongs to the field of pultrusion molding equipment for composite materials, and relates to a device for compounding glass yarn and glass felt into continuous profiles, in particular to a fiberglass pultrusion molding machine with a prestressed pultrusion structure and its prestressed Pultruded structure. Background technique [0002] It is known that before the wooden barrel is filled with water, iron hoops are used to tightly cover the barrel wall, and a hoop compressive stress is generated between the barrel walls. If the applied compressive stress exceeds the tensile stress caused by the water pressure, the water barrel will not crack and leak. Prestressing a circular member is like hooping a barrel. In the same way, for the stressed member, before the load is applied, applying prestress to the member will produce a deformation opposite to the deformation caused by the load. When the load causes the member to deform along the load d...

AI Technical Summary

Problems solved by technology

[0008] There is no measure to strengthen the strength of the profile through pre-stressing in the existing FRP profile pultrusion equipment

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