Multi-axis laser cladding anti-gravity deflection ring cone focusing powder feeding nozzle

A laser cladding and anti-gravity technology, applied in metal material coating process, coating and other directions, can solve problems such as gravity segregation of powder feeding nozzle of cladding head, and achieve the effect of life extension
CN112030160APending Publication Date: 2020-12-04熔创金属表面科技(常州)有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
熔创金属表面科技(常州)有限公司
Publication Date
2020-12-04

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Abstract

The invention provides a multi-axis laser cladding anti-gravity deflection ring cone focusing powder feeding nozzle. The nozzle comprises a water-cooling connecting part, a gas-equalizing powder-conveying conical core, an outer thin converging conical cover, a conical cover locking ring, a protective gas annular cavity, a powder inverted-frustum-shaped annular seam converging cavity, a triangularinverted-cone-shaped annular equalizing gas channel and a cooling water annular cooling structure cavity; the water-cooling connecting part is fixedly installed in the middle of the nozzle; the gas-equalizing powder-conveying conical core and the outer thin converging conical cover are arranged on the outer side wall of the water-cooling connecting part from inside to outside; the conical cover locking ring is fixedly installed on the top end side walls of the gas-equalizing powder-conveying conical core and the outer thin converging conical cover; the cooling water annular cooling structure cavity is formed between the outer side wall of the water-cooling connecting part and the inner side wall of the gas-equalizing powder-conveying conical core; and the protective gas annular cavity, thetriangular inverted-cone-shaped annular equalizing gas channel and the powder inverted-frustum-shaped annular seam converging cavity are arranged on the outer side wall of the gas-equalizing powder-conveying conical core and the inner side wall of the outer thin converging conical cover from top to bottom. Compared with conventional technologies, the nozzle has the advantage that the problem of segregation of powder fed by the nozzle of a cladding head due to gravity during multi-axis laser cladding of a curved surface can be solved.
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Description

technical field

[0001] The invention belongs to the technical field of laser cladding, in particular to a multi-axis laser cladding anti-gravity deflection ring cone focusing powder feeding nozzle. Background technique

[0002] At present, the powder feeding nozzles of laser cladding heads on the market usually have powder feeding pipes bypassing single powder pipes directly to the molten pool, coaxial multi-channel convergence or multiple channels entering the cloud chamber cavity, and then the powder is fully stirred, and then the inverted cone There are two ways in which the shaped annular gap converges into the molten pool, and the powder utilization rate and cladding layer quality of the second way are increased compared with the first way.

[0003] In the field of laser cladding in the case of annular powder feeding using the second method, with the market demand, the cladding technology has developed from simple plane and cylindrical surfaces to more complex curved su...

Claims

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