Coaxial three-beam powder feeding nozzle
A nozzle and powder feeding technology, which is applied in the coating process and coating of metal materials, can solve the problems of inability to protect the optical system, waste of time and cost, and insufficient uniformity of the protective gas of the laser head, so as to save debugging time and reduce Cost, the effect of uniform air intake
Pending Publication Date: 2019-08-20
沈阳中科煜宸科技有限公司
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Problems solved by technology
After the new nozzle is installed on the laser head, it is necessary to reconnect the powder inlet pipe, water pipe and air inlet pipe, and the distance between the nozzle and the workpiece also needs to be readjusted, which causes a lot of waste of time and cost
Moreover, since the conventional coaxial shielding gas enters the laser head directly through the joint, the shielding gas in the laser head is not uniform enough to fully protect the optical system.
Method used
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[0026] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other implementations obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.
[0027] see Figure 1-Figure 3 As shown, the present invention provides a coaxial three-beam powder feeding nozzle, including a nozzle body 1, a nozzle head 2, a water-cooled inner block 3 and a straight connector 4, and the nozzle head 2 is detachably connected to the nozzle body 1, when the nozzle is damaged, the lower replaceable nozzle head 2 can be removed, and a new nozzle head 2 can be reinstalled, which has high efficiency and low cost. The water-cooled...
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The invention discloses a coaxial three-beam powder feeding nozzle. The coaxial three-beam powder feeding nozzle comprises a nozzle body, a nozzle head, a water-cooled inner block and a straight portconnecting part. The nozzle head is detachably connected below the nozzle body, the water-cooled inner block is mounted in an inner cavity of the nozzle body, and a cooling water tank is further formed between the water-cooled inner block and the nozzle body. The straight port connecting part is mounted above the nozzle body. The coaxial three-beam powder feeding nozzle has the beneficial effectsthat when the nozzle is damaged, the replaceable nozzle head on the lower portion can be detached, and a new nozzle is mounted again; and compared with the manner that the nozzle is replaced overall,the time for connecting all pipelines on the nozzle and adjusting the position of the nozzle again is saved, and the cost of manufacturing the nozzle again is also reduced. Meanwhile, due to an internal annular gas inflow structure, coaxial-gas gas inflow is more uniform, and a light path system is better protected.
Description
technical field [0001] The invention relates to the technical field of laser cladding, in particular to a coaxial three-beam powder feeding nozzle. Background technique [0002] Laser cladding technology is a kind of rapid heating and melting of metal powder and substrate surface under the action of laser beam, and forms a layer of high-performance alloy coating on the substrate surface after cooling, which can significantly improve the wear resistance and durability of the substrate surface. corrosion properties. Due to its great economic benefits, it is currently being used more and more widely in industrial production. [0003] During laser cladding, the laser beam reaches the workpiece through the nozzle on the laser head. Since the laser beam itself generates a lot of heat, coupled with the reflection of the laser on the workpiece, the nozzle is easily damaged by overheating. Under normal circumstances, replacing the nozzle needs to remove the whole nozzle from the l...
Claims
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Login to View More IPC IPC(8): C23C24/10
CPCC23C24/103
Inventor 刘祥宇唱丽丽徐建国邢飞
Owner 沈阳中科煜宸科技有限公司