A tooling fixture for a flame-retardant power cord and a preparation method thereof
A tooling fixture and power cord technology, applied in cable/conductor manufacturing, circuits, insulated cables, etc., can solve the problems of poor fire resistance, easy oxidation of conductors, inconvenient installation and fixation, etc., and achieve strong fire performance and good stability. 、Easy to install and fix the wiring
Active Publication Date: 2016-09-28
ZHENG WEI TECH SHEN ZHEN LTD
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is to provide a flame-retardant power cord, which aims to solve the problem that the power cord in the prior art has poor fireproof effect and its inner conductor is easily oxidized, making it inconvenient to install and fix.
Method used
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[0031] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0032] like figure 1 and figure 2 As shown, it is a preferred embodiment of the flame-retardant power cord in the present invention. The power cord 100 includes a plurality of core wires 1 and a high flame-retardant outer coating layer 2 covering the plurality of core wires 1 . Each core wire 1 includes a conductor 11 , an insulating layer 12 covering the conductor 11 , a non-woven fabric layer 13 and a braiding layer 14 sequentially from inside to outside. The conductor 11 is formed by twisting a number of silver-plated alloy copper wires. A plurality of core w...
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Abstract
Provided are a flame retardant power cable, a tooling fixture for same, and a manufacturing method therefor. The flame retardant power cable (100) comprises multiple core wires (1) and a highly flame retardant jacket layer (2). Each core wire comprises a conductor (11), an insulating layer (12), a nonwoven fabric layer (13), and a woven layer (14). The conductor is formed by silver-plated copper alloy wires being twisted together. The multiple core wires are arranged parallel in the axial direction and are triangularly distributed in their cross-sectional direction. The cross section of the highly flame retardant jacket layer is a triangle. The tooling fixture (400) comprises a wire feeding mold (402) and an extrusion die (403). Triangularly distributed through holes (4021) are provided on the wire feeding mold. The extrusion die comprises a triangular extrusion inner mold (4031) and a triangular extrusion outer mold (4032) that are respectively provided with a pilot orifice. The flame-retardant power cable has the advantages of great weather resistance, aging resistance, high flame retardation, and fire resistance. At the same time, the cross section of the highly flame retardant jacket layer is triangular, provides great stability, and facilitates wiring installation and retention of the power cable.
Description
technical field [0001] The invention belongs to the technical field of power cord production, and in particular relates to a tooling fixture for a flame-retardant power cord and a preparation method. Background technique [0002] With the application and development of electrical equipment, vehicles, household appliances and construction wiring technology, people's demand for power cords is increasing, and the requirements are getting higher and higher. The existing power cords have poor fire resistance and their internal The conductor is easy to oxidize, and it is not easy to install and fix. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a flame-retardant power cord, aiming to solve the problem that the power cord in the prior art has poor fireproof effect and its internal conductor is easily oxidized, making it inconvenient to install and fix. [0004] Another technical problem to be solved by the present in...
Claims
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IPC IPC(8): H01B7/295H01B1/02H01B7/17H01B7/28H01B7/29H01B7/40H01B13/24H01B13/14H01B13/00
CPCH01B1/02H01B7/17H01B7/28H01B7/29H01B7/295H01B7/40H01B13/00H01B13/14H01B13/24Y02A30/14
Inventor 周彬
Owner ZHENG WEI TECH SHEN ZHEN LTD