A kind of embossing mold for manufacturing corrugated metal pipe
A metal tube and embossing technology, which is applied in the field of processing molds for the outer conductor of corrugated metal tubes of coaxial cables, can solve the problems of difficult internal threads, troublesome mold processing, and easy wear of the mold, so as to achieve small moment of inertia and prevent Periodic change in wrinkle size, smooth rotation effect
Active Publication Date: 2016-08-17
浙江联杰科技有限公司
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Problems solved by technology
However, choosing a lubricant with a good lubricating effect may cause troubles that are not easy to clean
The other disadvantage of the overall spiral die embossing is that the die processing is more troublesome, and it needs to be manually trimmed many times after machining to meet the size requirements of the corrugated tube. It is very difficult to manually trim the internal thread of the die; the die is easy to wear , life is not long
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[0050] The structure and working principle of the present invention will be further described in detail below in conjunction with the drawings and embodiments.
[0051] like Figure 11 , Figure 12 and Figure 13 As shown, the present invention is a kind of embossing mold for manufacturing corrugated metal pipe, which is composed of base 1, meniscus mold piece 2 and ferrule 3 three parts.
[0052] Figure 14 , Figure 15 , Figure 16 and Figure 17 Shown is a schematic diagram of the structure of the base 1 . The base 1 includes a cylindrical barrel 11 and a flange 12, the cylindrical barrel 11 and the flange 12 are integrally structured, and an inner hole 13 is provided in the middle of the base 1, and the inner hole 13 is formed during processing. The finish of the holes 13 should be as high as possible. The diameter of the inner hole 13 is D1, and the length of the diameter-bearing section of the inner hole 13 is L. The outer diameter of the cylinder portion of the...
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The invention relates to an embossing die for manufacturing corrugated metal pipes. Its structure is composed of three parts: a meniscus die, a base and a ferrule. The base includes a cylindrical cylinder and a flange plate. The middle of the base An inner hole is provided, and the diameter of the inner hole is slightly larger than the outer diameter of the light metal tube to be processed. A chute is provided on the outside of the cylindrical cylinder, and the meniscus-shaped die is installed in the chute, and the meniscus A part of the mold piece protrudes into the inner hole of the base, and the ferrule is pressed on the outside of the cylinder and fixes the meniscus mold piece. The corrugated metal tube rolled by the embossing die of the present invention has high dimensional accuracy, can especially prevent periodic changes in the corrugated size, and is suitable for manufacturing high-precision radio frequency cable corrugated conductors. Moreover, the friction force is small, it is not easy to distort and deform the rolled metal pipe, and the service life is long, which is suitable for the manufacture of large-length corrugated metal pipes.
Description
technical field [0001] The invention relates to a rolling die for manufacturing corrugated metal pipes, which is a cold processing technology for continuously rolling smooth metal pipes into spiral corrugated metal pipes, and belongs to the technical field of processing dies for outer conductors of coaxial cable corrugated metal pipes. technical background [0002] Spiral corrugated metal tube, used in the cable, can make the cable have excellent electrical properties such as low loss, small standing wave, good phase consistency, and good shielding performance. At the same time, it has excellent mechanical properties such as high mechanical strength and moderate flexibility. Therefore, this structural form is widely used. Spiral corrugated metal tubes are usually copper tubes or aluminum tubes, and it is an ideal structural form as the outer conductor of semi-rigid coaxial radio frequency cables. In order to improve the electrical and mechanical properties of cables, it is ...
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IPC IPC(8): H01B13/016
Inventor 宣维刚朱元忠陶士芳郑成军
Owner 浙江联杰科技有限公司