Insulating rod and its manufacturing method and manufacturing device
A manufacturing method and technology for insulating rods, applied in the field of composite material manufacturing, can solve problems such as affecting insulation performance, and achieve the effects of reducing water entry and cost
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Embodiment 1
[0036] Please also refer to figure 1 and figure 2 , the manufacturing method of the insulating rod provided by the present invention will now be described. The manufacturing method of the insulating rod comprises the following steps:
[0037] S1, the mandrel is formed, the insulating material is added to the extruder 2, the mandrel 1 is extruded through the extruder 2, and the mandrel 1 is pulled by the pulling mechanism 21, so that the mandrel 1 can be continuously pulled out and form a relatively long mandrel 1;
[0038] S2, soak the fiber mat in the foamed resin, so that the foamed resin is filled in the inside and both sides of the fiber mat, wherein the resin content after impregnating the foamed resin is 30% to 50%, and then wrapping on the outside of the core rod 1 , as the fiber mat layer 11;
[0039] S3, covering the fiber dry yarn, wrapping the fiber dry yarn on the outside of the fiber mat according to the layup design to form the core rod 1, the fiber mat laye...
Embodiment 2
[0054] Please also refer to figure 1 and figure 2 , the manufacturing device of the insulating rod provided by the present invention will now be described. The manufacturing device of the insulating rod includes an extruder 2 for extruding a mandrel 1, a fiber mat coating machine 3 for wrapping the fiber mat on the outside of the mandrel 1, and a fiber mat wrapping machine 3 for wrapping the mandrel 1. There is a heating die 6 for heating and curing the core rod 1 of the fiber felt; one end of the extruder 2 is provided with a pulling mechanism 21 for pulling the core rod 1; one side of the fiber felt coating machine 3 is provided with The first dipping box 31 for dipping the fiber mat; the fiber mat coating machine 3 and the heating die 6 are located between the extruder 2 and the pulling mechanism 21 .
[0055] Specifically, the extruder 2 and the pulling mechanism 21 can be the conventional extruder 2 and the pulling mechanism 21 in the prior art, and there is a certain ...
Embodiment 3
[0063] Please also refer to figure 1 and figure 2 , the insulating rod provided by the present invention will now be described. The insulating rod is processed and formed using the device disclosed in Embodiment 2 according to the method disclosed in Embodiment 1, which includes a core rod 1, a fiber felt layer 11 wrapped on the outside of the core rod 1, The fiber lay-up layer 12 on the outer side of the fiber mat layer 11 is filled with foamed resin between the core rod 1 , the fiber mat layer 11 and the fiber lay-up layer 12 . Specifically, the fiber mat layer 11 is filled with foamed resin, and the foamed resin is heated and foamed during curing, so that the fiber mat layer 11 and the core rod 1 can be connected after being foamed by the foamed resin, and the foamed resin During the foaming expansion, the inner core rod 1 is squeezed to form a good seal, which reduces the possibility of water entering, and ensures that the electrical performance of the insulating rod is...
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Abstract
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