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Composite brazing filler metal friction extrusion preparation device and preparation method

A composite brazing material and preparation device technology, which is applied in welding equipment, manufacturing tools, metal processing equipment, etc., can solve the problems of easy moisture absorption, high cost, and loss of activity of brazing flux, and achieve excellent moisture absorption resistance and processing efficiency High, simple process effect

Active Publication Date: 2021-12-03
CHINA INNOVATION ACADEMY OF INTELLIGENT EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the sheath of the sheathed solder is flux, there is also the problem that the flux is easy to absorb moisture and lose its activity, which affects the brazing quality
The process of powder sintering to form brazing material is complex, requiring multiple processes such as powder mixing, pressing, and sintering, and the cost is high

Method used

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  • Composite brazing filler metal friction extrusion preparation device and preparation method
  • Composite brazing filler metal friction extrusion preparation device and preparation method
  • Composite brazing filler metal friction extrusion preparation device and preparation method

Examples

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Effect test

Embodiment 1

[0054] see figure 1 As shown, the embodiment of the present application provides a composite solder friction extrusion preparation device, including: a first feeding mechanism 1, a second feeding mechanism 2, a molding die 3 and an auxiliary molding member 4; wherein, the molding die 3 An installation cavity is formed, the auxiliary molding member 4 is arranged in the installation cavity, and a first extrusion molding cavity 31 is formed between the side wall of the auxiliary molding member 4 and the side wall of the installation cavity of the molding die 3;

[0055] The first feeding mechanism 1 is used to transport the brazing material rod 6 to the first extruding chamber 31 through the brazing material inlet 33, and the second feeding mechanism 2 is used to feed the brazing powder 7 through the brazing flux inlet 34. Transported into the first extrusion molding cavity 31, and the auxiliary molding member 4 can be driven by external force to rotate relative to the molding di...

Embodiment 2

[0094] Embodiment 2 of the present application also provides a kind of composite solder friction extrusion preparation method, utilizes the composite solder friction extrusion preparation device described in above-mentioned embodiment 1, thus, has all the components of the composite solder friction extrusion preparation device Beneficial technical effects, the same technical features and beneficial effects will not be repeated.

[0095] In this embodiment, preferably, as figure 1 As shown, the preparation method of composite solder friction extrusion comprises the steps:

[0096] Step 201: The 4047 aluminum rod with a diameter of 9.5±0.5mm, that is, the brazing material rod 6 is drawn into a full circle through a sizing die, and then enters a mechanical scraping die to remove 0.04mm of oxide skin, and is pressed by the first feeding mechanism 1. The rollers, that is, the first pressing roller 11 and the second pressing roller 12 are continuously sent into the brazing material...

Embodiment 3

[0107] The preparation method of composite solder friction extrusion involved in this embodiment is the same as the method steps disclosed in Embodiment 2, the only difference is:

[0108] Step 301 is the same as step 201, and will not be described in detail here;

[0109] Step 302 is the same as step 202, and will not be described in detail here;

[0110] Step 303 is the same as step 203, the difference is that what is obtained is a semi-finished filamentary composite solder with a diameter of 2.3 mm;

[0111] Step 304: Draw the filamentary composite solder wire with a diameter of 2.3 mm to 2.0 mm, straighten it with a straightener, and use an automatic cutting machine to form a straight composite solder wire with a length of 500 mm.

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Abstract

The invention relates to the technical field of brazing filler metal production, and particularly relates to a composite brazing filler metal friction extrusion preparation device and a preparation method. The composite brazing filler metal friction extrusion preparation device comprises a first feeding mechanism, a second feeding mechanism, a forming mold and an auxiliary forming component, wherein the forming mold is provided with a mounting cavity, the auxiliary forming component is arranged in the mounting cavity, and a first extrusion forming cavity is formed between the auxiliary forming component and the forming mold; the first feeding mechanism conveys a brazing filler metal rod to a brazing filler metal feeding port, the second feeding mechanism conveys brazing flux powder into a brazing flux feeding port, and the auxiliary forming component can apply friction extrusion force to the brazing filler metal rod and the brazing flux powder which are arranged in the first extrusion forming cavity; and the forming mold is further provided with a second extrusion forming cavity communicating with the first extrusion forming cavity, and the second extrusion forming cavity extends in the direction forming an angle with the height direction of the forming mold. According to the device, the two processes of friction extrusion and lateral extrusion of the brazing filler metal rod and the brazing flux powder are realized, and continuous production of composite brazing filler metal is realized.

Description

technical field [0001] The present application relates to the technical field of brazing filler metal production, in particular to a composite brazing filler metal friction extrusion preparation device and preparation method. Background technique [0002] At present, brazing plays an irreplaceable role in the field of material connection. Generally, it needs to be used with flux to achieve the best brazing effect. The traditional brazing process is to pre-coat the flux on the part to be brazed before brazing, so as to remove the oxide film of the base metal and promote the wetting of the solder during the brazing process. Therefore, the traditional brazing process generally There are problems such as the inability to accurately control the amount of flux, excessive residual flux, and the need to clean up after welding, which leads to serious waste of flux and pollutes the environment, and affects the service life of weldments. With the transformation and upgrading of my cou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/40
CPCB23K35/40
Inventor 王博王鑫华邓建峰张雷费文潘王生希殷鹏志王劲涛
Owner CHINA INNOVATION ACADEMY OF INTELLIGENT EQUIP CO LTD
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