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Production method of oxygen-free copper pipe for electric vacuum component

A technology of oxygen-free copper tube and production method, which is applied in the field of non-ferrous metal processing

Inactive Publication Date: 2013-12-11
浙江力博实业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007]The traditional production process of oxygen-free copper pipes for electric vacuum devices has large investment scale, low yield, limited product length, low production efficiency, high energy consumption, and Disadvantages such as unstable oxygen content

Method used

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  • Production method of oxygen-free copper pipe for electric vacuum component
  • Production method of oxygen-free copper pipe for electric vacuum component
  • Production method of oxygen-free copper pipe for electric vacuum component

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] 2) Expanded welding and forming: the oxygen-free copper rod 20 obtained in the above step 1) is welded with an expanded welding and forming device, which includes a compacting wheel 7, an extrusion wheel 8 and a shoe seat 9; Wherein said compacting wheel 7 is engaged with extrusion wheel 8 and installed; said extrusion wheel 8 is fixedly connected with shoe seat 9; said shoe seat 9 is equipped with working body 10; said working body 10 A choke ring 11, an expansion welder 12, a flow-promoting ring 13, a sizing ring 14 and a mold 15 are installed in sequence; a feed port 16 and a discharge port 17 are provided in the working body; the feed port 16 is connected with the expansion welder 12; the mold 15 is connected with the discharge port 17; side; the boot seat 9 is provided with a copper pipe outlet 18; the copper pipe outlet 18 is connected to the discharge port 17; the extrusion wheel 8 is a single wheel double groove structure; the Ф20mm anaerobic After the copper r...

Embodiment 2

[0035] 2) Expanded welding and forming: the oxygen-free copper rod obtained in the step 1) is welded with an expanded welding and forming device, and the expansion welding and forming device includes a compacting wheel 7, an extrusion wheel 8 and a shoe seat 9; The compacting wheel 7 is engaged and installed with the extrusion wheel 8; the extrusion wheel 8 is fixedly connected with the shoe seat 9; the working body 10 is installed in the shoe seat 9; the working body 10 is sequentially A choke ring 11, an expansion welder 12, a flow-promoting ring 13, a sizing ring 14 and a mold 15 are installed; a feed port 16 and a discharge port 17 are provided in the working body; the feed port 16 It is connected with the expansion welding device 12; the mold 15 is connected with the discharge port 17; ; There is a copper pipe outlet 18 in the boot seat 9; the copper pipe outlet 18 is connected to the discharge port 17; the extrusion wheel 8 is a single wheel double groove structure; the ...

Embodiment 3

[0045] 2) Expanded welding and forming: the oxygen-free copper rod obtained in the step 1) is welded with an expanded welding and forming device, and the expansion welding and forming device includes a compacting wheel 7, an extrusion wheel 8 and a shoe seat 9; The compacting wheel 7 is engaged and installed with the extrusion wheel 8; the extrusion wheel 8 is fixedly connected with the shoe seat 9; the working body 10 is installed in the shoe seat 9; the working body 10 is sequentially A choke ring 11, an expansion welder 12, a flow-promoting ring 13, a sizing ring 14 and a mold 15 are installed; a feed port 16 and a discharge port 17 are provided in the working body; the feed port 16 It is connected with the expansion welding device 12; the mold 15 is connected with the discharge port 17; ; There is a copper pipe outlet 18 in the boot seat 9; the copper pipe outlet 18 is connected to the discharge port 17; the extrusion wheel 8 is a single-wheel double-groove structure; the ...

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Abstract

The invention discloses a production method of an oxygen-free copper pipe for an electric vacuum component. The production method comprises the following steps: (1) overfeeding an oxygen-free copper rod: preheating and drying electrolytic copper, then placing the electrolytic copper in a smelting device for smelting, wherein the smelting device comprises a smelting furnace and a holding furnace, a compartment is arranged between the smelting furnace and the holding furnace, the surface of copper liquid is covered by charcoal in the smelting furnace, the surface of copper liquid is covered by graphite flakes in the holding surface and the compartment is provided with an online degassing device; degassing and deoxidizing through the online degassing device, then overfeeding the copper rod in clutch type vacuum by using a tractor set, and subsequently, causing the copper rod to enter a wire take-up device; (2) expanding, welding and forming: welding the oxygen-free copper rod obtained in the step (1) by using an expanding, welding and forming device so as to form the required oxygen-free copper pipe for the electric vacuum component; (3) stretching; (4) annealing; and (5) inspecting and packaging. The production method disclosed by the invention has the characteristics of low energy consumption, short production process, high yield, high production efficiency, excellent product quality and the like.

Description

technical field [0001] The invention relates to a production method of oxygen-free copper pipes for electric vacuum devices, belonging to the technical field of nonferrous metal processing. Background technique [0002] Electrovacuum devices are widely used in military, industrial and daily life fields. They are often used in radar communication systems, electrical equipment, imaging devices and detection devices. Electric vacuum device materials are the material basis for the development of electric vacuum device technology. Whether the technology and indicators of electric vacuum devices are advanced and whether the quality of products can be guaranteed, in addition to the design and manufacturing process, the performance of materials is also an important factor, and often decisive factor. [0003] Copper and copper alloys have the characteristics of high electrical conductivity, thermal conductivity, good ductility, and easy processing. They also have excellent vacuum se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C37/06
Inventor 徐高磊姚幼甫骆越峰
Owner 浙江力博实业股份有限公司
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