A laser coaxial powder feeding nozzle with adjustable powder convergence point of connecting rod and lever structure
A coaxial powder feeding, lever-type technology, applied in the direction of metal material coating process, coating, etc., can solve the problem of molding efficiency, low utilization rate of powder convergence powder, inability to achieve high precision, high quality cladding layer, Limit the promotion and application of laser cladding technology, and achieve the effect of variable cladding track width, simple and reasonable structure, and ensuring uniformity
Active Publication Date: 2019-06-14
ZHEJIANG UNIV OF TECH
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Problems solved by technology
Ordinary laser coaxial powder feeding nozzles cannot adjust the position of the powder converging point online in real time according to the position of the laser beam focus. , Powder aggregation and powder utilization are not high, which undoubtedly limits the popularization and application of laser cladding technology, and requires an economical and efficient structure to meet actual needs
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[0029] Referring to the accompanying drawings, a laser coaxial powder feeding nozzle with an adjustable powder converging point of a connecting rod and lever structure includes a cladding head 1, and a laser inlet is provided above the cladding head 1 along the vertical direction. There is a laser outlet below the cover head in the vertical direction; the laser beam of the laser enters from the laser inlet and exits from the laser outlet to converge on the surface of the processed part
[0030] The cladding head 1 is provided with a powder feeding pipe 7, and the powder feeding pipe 7 is installed around the cladding head 1 through an angle adjustment device that can adjust the angle between the powder feeding pipe 7 and the cladding head 1; The exit of 7 is downward and close to the laser exit, and the extension line of the central axis of the powder feeding pipe 7 intersects with the extension line of the central axis of the cladding head 1 to ensure that the laser from the l...
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A link-lever structured laser coaxial powder-feeding nozzle with an adjustable powder gathering point is characterized in that powder-feeding pipes are arranged outside a cladding head, the powder-feeding pipes are mounted around the cladding head through an angle adjuster that may adjust the included angles between the powder-feeding pipes and the cladding head, each powder-feeding pipe has a downward outlet that is close to a laser outlet, the angle adjuster comprises a sleeve that sleeves the cladding head, one side of the sleeve is provided with a driving device that drives the sleeve to slide up and down along the outer wall of the cladding head, a guiding device is arranged between the sleeve and the cladding head, one end of each powder-feeding pipe close to an inlet is connected to the sleeve through a link, one end of each link is hinged to the corresponding powder-feeding pipe, the other end of each link is hinged to the sleeve, one end of each powder-feeding pipe close to the outlet is hinged to the cladding head, and a central control unit is connected to the driving device. The link-lever structured laser coaxial powder-feeding nozzle with the adjustable powder gathering point allows the powder gathering point to be adjusted dynamically in real time, allows the powder gathering point to fall constantly on the surface of a part under processing, and can provide high-precision high-quality high-performance clad layer with adjustable width of a cladding path.
Description
technical field [0001] The invention relates to a laser coaxial powder feeding nozzle with an adjustable powder converging point of a connecting rod and lever structure. Background technique [0002] With the continuous development of laser cladding technology and the increase of industrial use, the geometry of processed parts is becoming more and more complex. During processing, the width of the cladding track often needs to be changed. During the processing, by directly moving the laser cladding head in the vertical direction, the position of the focus of the laser beam is changed, thereby changing the size of the spot on the surface of the workpiece, and changing the width of the cladding track online. Ordinary laser coaxial powder feeding nozzles cannot adjust the position of the powder converging point online in real time according to the position of the laser beam focus. , Powder aggregation and powder utilization are not high, which undoubtedly limits the populariza...
Claims
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IPC IPC(8): C23C24/10
CPCC23C24/10
Inventor 胡晓冬姚建华黄利安杨高林朱秀晖阿里亚肯·迈克勒如斯勒·褚克科瓦连柯·弗拉季米尔
Owner ZHEJIANG UNIV OF TECH
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