Side shaft powder feeding apparatus based on laser powder filling welding and powder feeding method

A technology of powder feeding device and laser powder, which is applied in the direction of laser welding equipment, welding equipment, heating inorganic powder coating, etc., which can solve the problems of inability to weld and process, and no occurrence

Inactive Publication Date: 2006-05-03
BEIJING UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way, the lack of unidirectionality of the current side-axis powder feeding method can be overcome, and the problem that the side-axis powder feeding laser powder filling welding cannot be welded to cir

Method used

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  • Side shaft powder feeding apparatus based on laser powder filling welding and powder feeding method
  • Side shaft powder feeding apparatus based on laser powder filling welding and powder feeding method
  • Side shaft powder feeding apparatus based on laser powder filling welding and powder feeding method

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Embodiment Construction

[0047] A side-axis powder feeding device and powder feeding method based on laser powder filling welding of the present invention will be described in detail below in conjunction with a specific embodiment.

[0048] Refer to attached figure 1 and attached figure 2 . A side-axis powder feeding device based on laser powder filling and welding is composed of three parts: an upper body, an intermediate body and a lower body connected in sequence; the upper body mainly includes a cavity 1, a cavity cover 8 and an air curtain device 7, and the intermediate The long-arm bevel gear 5 and the short-arm bevel gear 6 are composed of a gear pair and a motor 4. The lower body is composed of an angular displacement adjustment mechanism and a powder feeding nozzle 14. The angular displacement adjustment mechanism is mainly composed of a horizontal support 11 and a vertical support 12.

[0049] Wherein, the chamber cover 8 is arranged on the top of the device of the present invention, and ...

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Abstract

The invention relates to a paraxonic powder-feeding device based on the laser powder filling weld and relative power-feeding method, belonging to the laser material manufacture technique. The inventive paraxonic powder-feeding device comprises sequentially connected three parts as upper body, intermediate body and lower body; wherein, the upper body mainly comprises a chamber (1), a chamber cover (8) and a gas curtain device (7); the intermediate body comprises a pair of gears formed by long-armed angle gear (5) and short-armed angle gear (6) and a motor (4); the lower body comprises a angular displacement regulator and a powder-feeding muzzle (14). When using said invention to process the laser powder filling weld, the powder-feeding muzzle moves along the operative track following the leaded light arm of laser while rotates around the laser beam and the rotating angular speed keeps synchronization of the angular change of the movement of said leaded light arm along operative track. The inventive powder-feeding device and method can effectively and easily process the paraxonic powder-feeding laser powder filling weld on the round and arc track of machined surface.

Description

technical field [0001] The invention relates to a side-axis powder feeding device and a powder feeding method based on laser powder filling welding, belonging to the technical field of laser material processing. Background technique [0002] Laser powder filling welding takes advantage of the advantages of powder filling materials and breaks through some limitations of filling welding wires such as top wire and high precision requirements for wire feeding mechanisms. It has become a new development direction of laser welding technology. It uses a laser as a heat source, and the laser beam is focused on the seam of the workpiece surface through a light guide system to form a welding pool. At the same time, the powder that has been alloyed or mechanically mixed is injected into the laser pool through the powder feeding nozzle, and the powder material It melts and mixes with the base material, and forms a weld after cooling, connecting two separated workpieces into a whole. ...

Claims

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Application Information

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IPC IPC(8): B23K26/12B23K26/24B23K26/70C23C24/08
Inventor 陈铠胡治华阳建华肖荣诗左铁钏
Owner BEIJING UNIV OF TECH
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