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A welding device, welding method and application for low melting point alloy

A welding device, low melting point technology, applied in welding/welding/cutting items, welding equipment, high-frequency current welding equipment, etc., can solve problems such as insignificant effects, avoid mechanical properties, and ensure consistency and uniformity , the effect of improving mechanical properties

Active Publication Date: 2021-07-20
NEW MATERIAL INST OF SHANDONG ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above methods have some effect, but the effect is not very obvious

Method used

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  • A welding device, welding method and application for low melting point alloy
  • A welding device, welding method and application for low melting point alloy
  • A welding device, welding method and application for low melting point alloy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] Use this device to weld 6061 aluminum alloy:

[0060] (1) The thickness of the 6061 aluminum alloy welded joint plate is 3mm, and the size is 110×60mm. First, the edge of the plate to be welded is processed into a step shape, and then the surface dirt is removed with sandpaper, and the surface grease is removed with acetone;

[0061] (2) Put the processed 6061 aluminum alloy sheet into an airtight container, use the horizontal squeeze chuck to adjust the size of the clamping block, wrap and clamp the sheet to be welded, and the two sheets are occluded and fastened;

[0062] (3) After the airtight box is evacuated, a certain amount of argon gas is filled to protect the 6061 aluminum alloy sheet to prevent high temperature oxidation of the welded sheet;

[0063] (4) For the telescopic contact heating block, conduct energized high-frequency heating to 900°C, then extend the upper and lower heating blocks to the upper and lower surfaces of the 6061 aluminum alloy plate, and...

Embodiment 2

[0068] Use this device to weld AZ80 magnesium alloy:

[0069] (1) The thickness of AZ80 magnesium alloy welded joint plates is 4mm, and the size is 120×50mm. Firstly, the edge of the plate to be welded is processed into a step shape, and then the surface dirt is removed with sandpaper, and the surface grease is removed with acetone;

[0070] (2) Put the processed AZ80 magnesium alloy plate into a closed container, use the horizontal squeeze chuck to adjust the size of the clamping block, cover and clamp the plate to be welded, and the two plates are occluded and fastened;

[0071] (3) After the airtight box is evacuated, a certain amount of argon gas is filled in, and the AZ80 magnesium alloy plate is protected by gas to prevent high-temperature oxidation of the welded plate;

[0072] (4) For the telescopic contact heating block, conduct high-frequency heating to 850°C, and then extend the upper and lower heating blocks to the upper and lower surfaces of the AZ80 magnesium all...

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Abstract

The invention relates to a welding device and a welding method for alloys with low melting points. It includes an airtight container, an inflator, and a vacuum device; two opposite horizontal extrusion chucks are arranged horizontally inside the airtight container, one end of the horizontal extrusion chuck is connected with the inner wall of the airtight container, and two vertically arranged inside the airtight container Two relative heating devices, one end of the heating device is connected with the inner wall of the airtight container, the processing space of the welding joint is formed between two horizontal extruding chucks and the two heating devices; the heating device includes a vertical telescopic device and a heating block, The heating block has a pointed structure, and the tips of the two heating blocks are respectively opposite to the weld seam; the gas filling device is located outside the airtight container, connected with the airtight container, and fills the airtight container with protective gas; the vacuum device is located outside the airtight container , connected to the airtight container. The application in the welding of magnesium alloy or aluminum alloy has the effect of making the structure and grain of the welded joint fine and compact, and improving the mechanical properties.

Description

technical field [0001] The invention belongs to the field of welding technology, and in particular relates to a welding device, welding method and application for low melting point alloys. Background technique [0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily taken as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. [0003] In addition to steel materials, aluminum alloy is the most widely used alloy in industrial production. It has a series of advantages such as low density, high mechanical lightness, and strong corrosion resistance. It is widely used in automobile manufacturing, shipbuilding, aerospace, and national defense. It has been widely used in industries, pressure vessels and other fields. Magnesium and magnesium alloys are currently the lightest me...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K13/06B23K13/04B23K103/10B23K101/18
CPCB23K13/043B23K13/06B23K2101/18B23K2103/10B23K2103/15
Inventor 刘洪涛晁延吉李培亮刘聪周吉学李涛赵国辰刘运腾吴建华马百常
Owner NEW MATERIAL INST OF SHANDONG ACADEMY OF SCI
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