阅读说明：本技术 一种利用热塑性连续纤维带编制成板材的方法 (Method for weaving plate by using thermoplastic continuous fiber tape ) 是由 帅红玲 王海伦 于 2020-08-04 设计创作，主要内容包括：本发明公开了一种利用热塑性连续纤维带编制成板材的方法,属于热塑性材料加工领域,包括如下步骤：(1)分切处理、(2)编织处理、(3)热成型处理。本发明采用热塑性连续纤维带材作为材料,该种材料是由热塑性树脂和纤维材料制成,先对其进行分切,制成窄幅纤维带材,然后通过编织设备交叉编织的方式制作成连续纤维编织带材,编织后的带材通过热压复合的方式制作成板材,该种板材具备双向同性,综合机械强度和性能得到显著提升。(The invention discloses a method for weaving a plate by utilizing a thermoplastic continuous fiber band, which belongs to the field of thermoplastic material processing and comprises the following steps: (1) slitting treatment, (2) weaving treatment, and (3) thermoforming treatment. The invention adopts the thermoplastic continuous fiber strip as the material, the material is made of thermoplastic resin and fiber material, the thermoplastic resin and the fiber material are firstly cut to be made into narrow fiber strip, then the narrow fiber strip is made into the continuous fiber woven strip by the cross weaving mode of weaving equipment, and the woven strip is made into the plate by the hot-pressing compounding mode.)

1. A method for knitting a plate by utilizing a thermoplastic continuous fiber band is characterized by comprising the following steps:

(1) slitting treatment:

sending the continuous fiber band material into a splitting machine for splitting treatment to obtain a narrow fiber band material;

(2) and (3) knitting treatment:

feeding the narrow-width fiber band material prepared in the step (1) into weaving equipment for weaving treatment to obtain a continuous fiber woven band material;

(3) thermal forming treatment:

and (3) sending the continuous fiber woven belt material prepared in the step (2) into a thermoforming machine for thermoforming treatment, and obtaining the thermoplastic continuous fiber woven plate after the thermoforming treatment is finished.

2. The method of claim 1, wherein the continuous fiber tapes in step (1) are made of thermoplastic resin and fiber material.

3. The method of claim 2, wherein the thermoplastic resin and the fiber material are contained in the continuous fiber tape in an amount of 30 to 70 wt% and 30 to 70 wt%, respectively.

4. The method as claimed in claim 2, wherein the thermoplastic resin is at least one of polyethylene, polypropylene, polycarbonate and polyamide.

5. The method as claimed in claim 2, wherein the fiber material is continuous glass fiber or continuous carbon fiber, and the length of the fiber is not less than 20 cm.

6. The method for knitting a plate material with the thermoplastic continuous fiber tape as claimed in claim 1, wherein the width of the narrow fiber tape in the step (1) is 5 to 30 mm.

7. The method for knitting a plate material using a thermoplastic continuous fiber tape as claimed in claim 1, wherein the knitting process in the step (2) is performed by a cross knitting method.

Technical Field

The invention belongs to the field of thermoplastic material processing, and particularly relates to a method for weaving a plate by using a thermoplastic continuous fiber tape.

Background

The thermoplastic continuous fiber strip has the characteristic of high strength, is widely applied to the fields of automobiles and aerospace at present, and is made into a plate in a multi-layer composite mode because of the characteristic of anisotropy, so that the surface fiber of the prepared plate shows a slippage phenomenon when the plate is subjected to thermal forming, and further the use stability and the service life of the plate are influenced. There is therefore a need for an improved process for this process.

Disclosure of Invention

The present invention is directed to a method for knitting a sheet material with a thermoplastic continuous fiber tape, so as to solve the above-mentioned problems in the background art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a method of knitting a sheet from a thermoplastic continuous fiber tape, comprising the steps of:

(1) slitting treatment:

sending the continuous fiber band material into a splitting machine for splitting treatment to obtain a narrow fiber band material;

(2) and (3) knitting treatment:

feeding the narrow-width fiber band material prepared in the step (1) into weaving equipment for weaving treatment to obtain a continuous fiber woven band material;

(3) thermal forming treatment:

and (3) sending the continuous fiber woven belt material prepared in the step (2) into a thermoforming machine for thermoforming treatment, and obtaining the thermoplastic continuous fiber woven plate after the thermoforming treatment is finished.

Further, the continuous fiber strip material in the step (1) is made of thermoplastic resin and fiber materials.

Furthermore, the thermoplastic resin and the fiber material in the continuous fiber strip material are 30-70% and 30-70% in percentage by weight.

Further, the thermoplastic resin is at least one of polyethylene, polypropylene, polycarbonate and polyamide.

Further, the fiber material is continuous glass fiber or continuous carbon fiber, and the length of the fiber is not less than 20 cm.

Further, the width of the narrow-width fiber band material in the step (1) is 5-30 mm.

Furthermore, the knitting treatment in the step (2) adopts a longitudinal and transverse knitting mode for knitting.

Compared with the prior art, the invention has the beneficial effects that:

the invention adopts the thermoplastic continuous fiber strip as the material, the material is made of thermoplastic resin and fiber material, the thermoplastic resin and the fiber material are firstly cut to be made into narrow fiber strip, then the narrow fiber strip is made into the continuous fiber woven strip by the cross weaving mode of weaving equipment, and the woven strip is made into the plate by the hot-pressing compounding mode. The processing mode is simple and easy to popularize and apply.

Drawings

FIG. 1 is a schematic process flow diagram of the process of the present invention.

In the figure: 1. a continuous fiber tape; 2. splitting machine; 3. narrow width fiber tape; 4. knitting equipment; 5. weaving the continuous fiber into a belt material; 6. a thermoforming machine; 7. a thermoplastic continuous fiber woven sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1, a method of knitting a sheet material using a thermoplastic continuous fiber tape includes the steps of:

(1) slitting treatment:

sending the continuous fiber strip 1 into a splitting machine 2 for splitting treatment to obtain a narrow fiber strip 3;

(2) and (3) knitting treatment:

sending the narrow-width fiber band material 3 prepared in the step (1) into weaving equipment 4 for weaving treatment to obtain a continuous fiber woven band material 5;

(3) thermal forming treatment:

and (3) sending the continuous fiber woven belt material 5 prepared in the step (2) into a thermoforming machine 6 for thermoforming treatment, and obtaining the thermoplastic continuous fiber woven plate 7 after the thermoforming treatment is finished.

The continuous fiber tape 1 described in the step (1) is made of a thermoplastic resin and a fiber material.

The thermoplastic resin and the fiber material in the continuous fiber strip 1 are 30-70% and 30-70% by weight respectively.

The thermoplastic resin is at least one of polyethylene, polypropylene, polycarbonate and polyamide.

The fiber material is continuous glass fiber or continuous carbon fiber, and the length of the fiber is not less than 20 cm.

The width of the narrow-width fiber band 3 in the step (1) is 5-30 mm.

The knitting treatment in the step (2) adopts a longitudinal and transverse knitting mode for knitting.

The invention adopts a thermoplastic continuous fiber strip 1 as a material, the material is made of thermoplastic resin and fiber materials, the thermoplastic resin and the fiber materials are firstly cut to prepare a narrow fiber strip 3, then the narrow fiber strip is made into a continuous fiber woven strip 5 in a cross weaving mode through weaving equipment 4, and the woven strip is made into a plate in a hot-pressing compounding mode. The processing mode is simple and easy to popularize and apply.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.