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A preparation device and method for diamond brazing-coated strip and brazing-coated strip

A preparation device, diamond technology, applied in the direction of the surface coating liquid device, coating, pretreatment surface, etc., can solve the problems such as the decrease of the density of the braze coating and the decrease of the wear resistance of the coating, so as to achieve the goal of not easy to fall off and combine The effect of strong force and improved efficiency

Active Publication Date: 2022-05-03
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

If there is a residual binder, it will lead to a decrease in the density of the brazing coating and a decrease in the wear resistance of the coating, etc.

Method used

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  • A preparation device and method for diamond brazing-coated strip and brazing-coated strip

Examples

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Effect test

preparation example Construction

[0044] On the other hand, the embodiment of the present invention also provides a method for preparing a diamond brazing strip, which is prepared using the above-mentioned preparation device, and the preparation method includes:

[0045] The solder strip 8 is sandwiched between the first roller 1 and the second roller 2, and the paint 3 in the storage device 4 is driven by the second roller 2 to adhere to the solder strip 8;

[0046] The solder strip 8 moves along the direction of the first conveying device to the second conveying device, and after being heated by the heating device, it moves between the third roller 6 and the fourth roller 7. At this time, the paint 3 is pressed into the solder strip 8 middle;

[0047] Wherein, the coating 3 includes diamond and a binder.

[0048] Further, the solder strip is a solder alloy strip; the solder alloy strip includes a silver-copper-titanium alloy brazing strip; the silver-copper-titanium alloy brazing strip includes: silver, 55 ...

Embodiment 1

[0056] The present embodiment provides a kind of preparation method of diamond brazing strip, comprises the following steps:

[0057] S10: fully mixing the diamond and the binder to obtain a coating, and placing the coating in a storage device. Among them, the diamond is diamond coated with titanium on the surface, and the particle size is 100 mesh; the binder is polyvinyl alcohol. Add 70 parts by mass of diamond, and add 30 parts by mass of paint.

[0058] S20: Place the solder strip between the first roller and the second roller, and pass through the middle of the third roller and the fourth roller, and place an electromagnetic induction heating coil between the two sets of rollers.

[0059] Wherein, the brazing material strip is selected from silver-copper-titanium alloy brazing material strip, which contains Ag: 55%; Cu: 42%; Ti: 3%; the thickness of the brazing material alloy strip is 0.1 mm.

[0060] The gap between the first roller and the second roller is 0.1 mm; the...

Embodiment 2

[0063] The present embodiment provides a kind of preparation method of diamond brazing strip, comprises the following steps:

[0064] S10: fully mixing the diamond and the binder to obtain a coating, and placing the coating in a storage device. Among them, the diamond surface is titanium-plated diamond with a particle size of 200 mesh; the binder is polyvinyl alcohol. Add 80 parts by mass of diamond, and add 20 parts by mass of paint.

[0065] S20: Place the solder strip between the first roller and the second roller, and pass through the middle of the third roller and the fourth roller, and place an electromagnetic induction heating coil between the two sets of rollers.

[0066] Wherein, the brazing material strip is selected from silver-copper-titanium alloy brazing material strip, which contains Ag: 65%; Cu: 38%; Ti: 2%; the thickness of the brazing material alloy strip is 0.2 mm.

[0067] The gap between the first roller and the second roller is 0.3 mm; the gap between t...

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Abstract

The invention provides a diamond brazing strip preparation device, a preparation method and a brazing strip; the preparation device includes: a first conveying device and a second conveying device, and the brazing material strip moves from the first conveying device to the second conveying device ; The first conveying device comprises a first roller and a second roller oppositely arranged, and the second conveying device comprises a third roller and a fourth roller oppositely arranged; wherein, the first roller and the second roller interpose a solder strip, and the third A solder belt is sandwiched between the roller and the fourth roller; a heating device is included between the first transmission device and the second transmission device for heating the solder belt; the first transmission device is provided with a material storage device for storing the paint, and the second A lower edge of the second roller of the conveyor is below the liquid level of the paint; wherein the paint includes diamond and binder. The invention mechanically inlays the diamond into the solder alloy through extrusion, and the braze-coated tape has low binder content, can be used directly, and is convenient and quick.

Description

technical field [0001] The invention relates to the technical field of brazing equipment and a brazing method, in particular to a diamond brazing strip preparation device, a preparation method and a brazing strip. Background technique [0002] As an important material surface modification technology, brazing coating technology forms a composite coating by heating low-melting-point brazing material and high-melting-point cemented carbide or ceramics. This type of coating has smooth surface, high construction precision, simple processing procedures, and It has unique advantages such as high strength, low heating temperature, and small thermal stress. After brazing, the surface of the substrate has high wear resistance, corrosion resistance and high temperature resistance. It is widely used in hydraulic machinery, aerospace, agricultural machinery, oil drilling and other fields. [0003] For diamond brazing, the current brazing material is mainly prepared by mixing diamond part...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05C1/08B05D3/02B05D7/24B05D7/14C22C5/08
CPCB05C1/0826B05C1/086B05D3/0254B05D7/24B05D7/14C22C5/08
Inventor 龙伟民张雷吴奇隆孙华为郝庆乐纠永涛孙志鹏李宇佳
Owner CHINA INNOVATION ACADEMY OF INTELLIGENT EQUIP CO LTD