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Fiber-reinforced light thermoplastic interface-free layered felt material for passenger car interior and exterior decoration, device and preparation method

A fiber-reinforced and thermoplastic technology, applied in the field of composite felt materials for interior and exterior trim of passenger cars, can solve problems such as high equipment cost, achieve the effects of increasing output, being multi-functional and flexible, and avoiding the decline of material mechanical properties

Pending Publication Date: 2021-11-23
浙江华江科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the invention is a one-step forming of composite felt, the cost of required equipment is huge

Method used

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  • Fiber-reinforced light thermoplastic interface-free layered felt material for passenger car interior and exterior decoration, device and preparation method
  • Fiber-reinforced light thermoplastic interface-free layered felt material for passenger car interior and exterior decoration, device and preparation method
  • Fiber-reinforced light thermoplastic interface-free layered felt material for passenger car interior and exterior decoration, device and preparation method

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Embodiment Construction

[0038] The technical scheme of the present invention will be further described below by specific examples:

[0039] The invention discloses a cotton feeding box 13 for preparing fiber-reinforced lightweight thermoplastic layered felt for interior and exterior decoration of passenger cars. figure 1It is a flow chart of the dry felting line device adopted in the present invention, and the device includes three bale unpacking machines 12, an all-in-one cotton feeding box 13 connected with the bale opening machine 12, a carding machine 14 connected with the cotton feeding box 13, and a combing machine The net lapper 15 connected with the net lapper 14, and the acupuncture machine 16 connected with the net lapper 15. The three kinds of fibers enter the unpacking and loosening system (A, B, C) and then enter the self-reformed three-in-one cotton feeding box 13, Synchronously sent to the carding machine 14 for carding, then cross-laid by the web lapper 15, and finally needled and con...

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Abstract

The invention discloses a fiber-reinforced light thermoplastic interface-free layered felt material for passenger car interior and exterior decoration, a device and a preparation method. The felt material at least comprises an upper outer functional layer, a lower outer functional layer and a middle core rigid framework layer; and the felt material is a composite felt formed by cross lapping and needling of at least three or more rainbow single fiber webs and comprising two outer functional layers and a core rigid framework layer. According to the invention, the problems of abrasion and breakage caused by excessive needling of functional fibers of each layer in the multi-layer combined needling consolidation processing process of a multifunctional composite felt material are solved; various performance loss problems at an interface due to clear interface layering of the multi-layer combined needled felt are solved; and the problems of process time and cost waste and the like due to the fact that the combined needled felt is produced after the functional layers and the framework layer are independently produced are solved. In addition, compared with a multi-carding and multi-laying process, the high equipment cost of a plurality of carding machines and lapping machines is saved.

Description

technical field [0001] The invention relates to a composite felt for interior and exterior decoration of passenger cars, in particular to a fiber-reinforced lightweight thermoplastic non-interface layered felt for interior and exterior decoration of passenger cars, a device and a preparation method. [0002] technical background [0003] With the rapid development of the automobile industry, the demand for the mileage of new energy vehicles and the fuel economy of fuel vehicles continues to promote the process of vehicle lightweighting. In this context, fiber-reinforced thermoplastic composites have been widely used in automotive interior and exterior trim, and have been widely used in ceilings, coat racks, bottom guards, trunks, spare tire covers, sunroof sliders, etc. Fiber-reinforced thermoplastic composites have different performance requirements for use in different parts of automobiles. For example, as a car interior accessory, the coat rack plays the role of placing i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D04H1/46D04H1/498D04H1/4382
CPCD04H1/46D04H1/498D04H1/43835
Inventor 邓丽健方晶周立祝超章凯翔应颂颂张恒源陈佳扬吕超目
Owner 浙江华江科技股份有限公司
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