Post-grafting device used for silane crosslinking cable production line

A silane cross-linking, production line technology, applied in cable/conductor manufacturing, conductor/cable insulation, circuits, etc., can solve the problems of difficulty in dispersing trace additives, difficult to control side reactions, easy to cause pre-crosslinking, etc. Simple, reduced cable stress, lower extrusion temperature effect

Inactive Publication Date: 2016-03-30
安正(天津)新材料股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Melt grafting is one of the most easily industrialized production, the lowest cost, and a grafting method with a high grafting rate, but the side reactions of this method are difficult to control, and the dispersion of trace additives such as monomers and initiators is difficult, which is easy to cause Pre-crosslinking, experiments have shown that post-grafting of cabled wires can effectively avoid the above problems, but at present there are few such equipment specially used for cable post-grafting

Method used

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  • Post-grafting device used for silane crosslinking cable production line
  • Post-grafting device used for silane crosslinking cable production line

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Experimental program
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Embodiment

[0026] A post-grafting device for a silane cross-linked cable production line, which consists of an extruder 17, an electric heating post-grafting device 11 and a cable forming machine 13. The extruder is sequentially connected by a speed-regulating motor 1, a coupling shaft from left to right The extruder 2, the reduction box 4, the gearbox 18, the shaft sleeve 8 and the screw barrel 10 are composed of the extruder 17. The electric heating post-grafting device 11 and the cable forming machine 13 are connected to the extruder 17. The outer surface of the reduction box 4 is provided with There is a temperature control operation panel 5, a temperature display screen 6 and a switch 15 are arranged on the operation panel, a temperature detector 7 is arranged on the inner surface of the shaft sleeve 8, a screw is arranged in the screw barrel 10, and the barrel is The body 10 is provided with a heating device 9, and the grafting device 11 after the electric heating is a screw extrude...

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Abstract

A post-grafting device used for a silane crosslinking cable production line is composed of an extruder, an electric heating post-grafting device and a cabling machine. The extruder is composed of a motor, a shaft coupling, a reduction box, a gearbox, a shaft sleeve and a screw which are arranged from left to right in sequence. The extruder is connected with the electric heating post-grafting device and the cabling machine. The outer surface of the reduction box is provided with a temperature control operation panel. The operation panel is provided with a temperature display screen and a switch. The inner surface of the shaft sleeve is provided with a temperature detector. The screw is externally covered by a cylinder body. The cylinder body is provided with a heating device. The electric heating post-grafting device is a screw extruder. The screw of the extruder is 150-200 mm in diameter and 3-5 m in length and comprises 4-5 heating segments.

Description

technical field [0001] The invention relates to the technical field of polymer material processing, in particular to a post-grafting device for a silane cross-linked cable production line. technical background [0002] Chemical grafting is one of the most common methods for modifying polymers. It can change the properties of the polymer itself, endow it with new functions, and expand the application field of the polymer. The grafting reaction is to graft some groups with special functions to the main chain or side chain of the molecular chain of the polymer by free radical polymerization, ion polymerization and other methods, so that the polymer has new characteristics. Common grafting methods include melt grafting, solid-phase grafting, solution grafting, and irradiation grafting. [0003] Melt grafting is a grafting method with the easiest industrial production, the lowest cost and higher grafting rate, but the side reactions of this method are difficult to control, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B13/14H01B13/24H01B13/00
Inventor 杜晓刚谢学亮赵宝良
Owner 安正(天津)新材料股份有限公司
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