A Fiber Thermoplastic Casting Vibration Immersion Prepreg Machine
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A thermoplastic and prepreg technology, applied in the field of carbon fiber thermoplastic material preparation, can solve the problems of limited prepreg effect, insufficient infiltration, low production efficiency, etc.
Active Publication Date: 2020-12-08
NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
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Thin film method The advantage of using thermoplastic film to produce thermoplastic prepreg is that the production process is simple and the cost is low. The disadvantage is that the prepared prepreg is limited by the precision and variety of the film, and the prepreg effect is very limited.
The hot-melt method is generally divided into coating and casting conventional preparation methods. Its advantage is that it can obtain high resin precision and infiltration effect for the preparation of thermosetting carbon fiber prepregs that are easy to infiltrate. For thermoplastic materials that are difficult to infiltrate carbon fibers, there are deficiencies. Infiltration Not thorough, wastes energy, and is less productive
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[0037] In order to make it easy to understand the technical means, creative features, goals and effects achieved by the present invention, the following examples are combined with the appended Figures 1 to 4 The fiber thermoplastic casting vibration infiltration prepreg machine provided by the present invention is described in detail.
[0038] refer to figure 1 , is the perspective view of the fiber thermoplastic casting vibration infiltration prepreg machine; combined with figure 2 , is a perspective view of part of the structure of the fiber thermoplastic casting vibration infiltration prepreg machine; and image 3 , is a side sectional structure diagram of a fiber thermoplastic casting vibration infiltration prepreg machine; and Figure 4 , is a structural view of the grooved roll arrangement in the fiber thermoplastic casting vibration infiltration prepreg machine. and defined as image 3 The direction from right to left shown on the paper is the direction from back ...
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Abstract
The invention discloses a thermoplastic casting vibration infiltration pre-impregnation machine for fibers. The pre-impregnation machine comprises a first machine frame, a second machine frame, a third machine frame, a feeding device, a driving mechanism, a preprocessing mechanism, a vibration yarn spreading mechanism, two casting heads, two pairs of steel belt sets, at least one set of heating assemblies, a pair of vibration generators and a containing device, wherein the first machine frame, the second machine frame and the third machine frame are arranged from back to front in sequence, thefeeding device is arranged on the rear side of the first machine frame and contains a material, the vibration yarn spreading mechanism carries out yarn spreading treatment on the material, the two casting heads carry out preliminary infiltration and yarn fixing treatment on the upper surface and the lower surface of the material, the two pairs of steel belt sets are arranged on the upper side andthe lower side of the materials in mirror symmetry and jointly extrude the upper surface and the lower surface of the material and drive the material to move forward, the heating assemblies are arranged in vertical mirror symmetry, are distributed on the upper surface and the lower surface of the material and carry out heating treatment on the material, the vibration generators are arranged on the upper side and the lower side of the material in mirror symmetry and are used for breaking molecular chains of the material, and the containing device is used for containing the processed material.According to the technical scheme of the pre-impregnation machine, the precision of a thermoplastic prepreg is high, the working efficiency is high, and fiber woven fabric and various unidirectional fibers can be impregnated.
Description
technical field [0001] The invention relates to the technical field of carbon fiber thermoplastic material preparation, in particular to a fiber thermoplastic casting vibration soaking prepreg machine. Background technique [0002] Thermoplastic composite materials have outstanding characteristics such as low density, high strength, fast processing, and recyclable reuse. They are high-performance, low-cost, and green and environmentally friendly new composite materials. Lightweight metal materials have broad application prospects in military industry, civilian use, medical treatment, sports, etc. Difficult infiltration of thermoplastic composite materials restricts the popularization and application of thermoplastic composite materials. A fiber thermoplastic casting strong infiltration prepreg machine of the present invention is a good equipment to solve the problem of difficult infiltration of thermoplastic composite materials. It has the advantages of thorough infiltration...
Claims
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Application Information
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Patent Type & Authority Patents(China)
IPC IPC(8): B29C70/50B29C70/54
CPCB29C70/504B29C70/54
Inventor 张洪生涂丽艳祝颖丹陈明达
Owner NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI