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Material continuous or mixed conveying device and method for laser cladding

A conveying device and laser cladding technology, applied in metal material coating process, coating, etc., can solve the problems of manual mixed powder uniformity, powder feeder can not meet production requirements, and cannot change the ratio, etc., to achieve continuous conveying , avoid interruption, meet the effect of continuous conveying and mixed conveying

Inactive Publication Date: 2015-04-29
武汉武钢华工激光大型装备有限公司
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  • Description
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AI Technical Summary

Problems solved by technology

[0004] 1. The uniformity of artificially mixed powder varies from person to person
[0005] 2. The metal powder is mixed in a fixed mixing ratio in advance, and the ratio cannot be changed in time during the processing as required
[0006] To sum up, in the laser cladding operation of materials, the existing powder feeder can no longer meet the actual production demand

Method used

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  • Material continuous or mixed conveying device and method for laser cladding

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Embodiment 1

[0041] The continuous or mixed material conveying device for laser cladding provided by the embodiment of the present invention automatically completes the continuous conveying of powder according to the customized program:

[0042] see figure 1, first open the air filter 9, the first shut-off valve 1 and the second shut-off valve 3, and make the first gas flow meter 2 fully open, and spray the powder in the first silo 1 through the nozzle 10; when the first object When the position monitoring element (not shown in the figure) issues an indication, it means that the powder in the first silo 1 is about to be conveyed and the silo needs to be switched. At this time, the fourth shut-off valve 8 is opened, and the second gas flow meter 7 is opened to half of the normal flow rate; 10. The total flow of powder-carrying gas sprayed out is constant. Then open the rotating disk of the second material bin 5, start to rotate and discharge powder, and close the rotating disk of the firs...

Embodiment 2

[0045] The material continuous or mixed conveying device for laser cladding provided by the embodiment of the present invention automatically completes the mixing and conveying of two kinds of powders according to the required ratio according to the customized program. Powder and dynamic proportion mixing powder delivery.

[0046] 1) Mix and feed powder in fixed proportion: set the rotation speed of the turntable of the first silo 4 and the second silo 5 completely according to the required ratio of metal powder; set the first gas flow meter 2 and the second gas flow Count 7 as half of the normal value. Finally, all the stop valves, gas flow meters and air filter 9 are opened, and the metal powder is sent out according to the set flow rate, and then converged to the nozzle 10 to form the required ratio of alloy powder, which realizes the mixed delivery of metal powder in a fixed ratio .

[0047] 2) Dynamic proportional mixing powder feeding: first send the base material powd...

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Abstract

The invention relates to the technical field of laser cladding and discloses material continuous or mixed conveying device and method for laser cladding. The material continuous or mixed conveying device comprises at least two stock bins, at least two material level monitoring elements, at least two conveying pipelines, an air filter, at least two gas flowmeters, at least two valves and at least two nozzles, wherein the conveying pipelines are connected with the corresponding stock bins and the corresponding nozzles; the material level monitoring elements are arranged on the corresponding stock bins; the valves are arranged on the corresponding conveying pipelines; the air filter is introduced into the conveying pipelines; the gas flowmeters are arranged on the corresponding conveying pipelines. According to the material continuous or mixed conveying device disclosed by the invention, when the material level monitoring elements monitor that materials in the stock bins descend to the preset positions, other stock bins are started to feed the materials, and the materials are continuously conveyed; in the conveying process of the materials, gas flows in the conveying pipelines are controlled by virtue of the corresponding gas flowmeters, so that the conveying quantity of each stock bin is controlled, and the needed proportion of the materials after mixing is achieved. The material continuous or mixed conveying device and method satisfy the needs of a user for conveying the materials.

Description

technical field [0001] The invention relates to the technical field of laser cladding, and is mainly applicable to a material continuous or mixed conveying device and method for laser cladding. Background technique [0002] At present, during the laser cladding operation on metal powder, it is often necessary to transport the metal powder into the laser molten pool. At present, airborne powder feeders are widely used in China to realize powder transportation. The volume of the silo of the existing powder feeder is generally less than 1.5 liters. After a can of powder has been conveyed, it must be stopped to add powder. After that, the powder feeder is started again to continue feeding powder, which leads to the interruption of the cladding operation, thereby affecting the product quality. [0003] In addition, in the process of laser cladding on special alloy powders, it is often necessary to transport two or more metal powders into the laser molten pool. The existing con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C24/10
CPCC23C24/10
Inventor 刘昌勇梁栋莫衡阳胡家强
Owner 武汉武钢华工激光大型装备有限公司
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