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Multi-nozzle mechanism

A technology with multiple nozzles and nozzles, applied in metal material coating process, coating, additive processing, etc., can solve the problems of low forming accuracy, prone to errors, poor bearing capacity, etc., and achieve large forming space and high positioning accuracy. , the effect of no cumulative error

Active Publication Date: 2017-07-14
JIANGSU YONGNIAN LASER FORMING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In 3D printing fused deposition modeling (FDM, Fused Deposition Manufacturing) and laser cladding deposition (LCD, Laser Cladding Deposition) processes, it is often necessary to use a multi-nozzle mechanism to achieve fused deposition molding of different colors and different materials. Currently, the multi-nozzle mechanism The structure of the nozzle switching mechanism is complex, the manufacturing cost is high, errors are prone to occur during the nozzle switching process, the reliability is poor, and because of its complex structure, its response speed is slow, the overall structure occupies a large space, the bearing capacity is poor, it is easy to damage, and the molding accuracy is low

Method used

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Embodiment

[0018] Embodiment: A multi-nozzle mechanism, including a nozzle base 4 installed on a 3D printing device, a drive mechanism and a control system, at least two nozzles with intersecting axes are installed on the nozzle base 4, and the drive mechanism can drive the nozzle base 4 to move so that The axis of one of the nozzles is in the vertical state, the control system controls the action of the driving mechanism, and multiple nozzles are installed on the nozzle foundation 4, and the nozzle foundation 4 is driven by the driving mechanism to move, so that only one nozzle on the nozzle foundation 4 is in the vertical state. Only the nozzles in the vertical state can scan for forming to achieve the highest precision of forming, while other nozzles that are not in the vertical state stop scanning. In this way, any nozzle can perform a forming scan, but only one nozzle is in working condition at a time, so each nozzle can be a nozzle of different colors or different materials, and the...

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Abstract

The invention discloses a multi-nozzle mechanism, comprising a nozzle base installed on a 3D (three dimensional) printer, a drive mechanism and a control system. The nozzle base is provided with at least two axis intersecting nozzles, the drive mechanism can drive the nozzle base to move to allow the axis of one of the nozzles to be in a vertical state, and the control system controls the operation of the drive mechanism. The multi-nozzle mechanism has the advantages such that no complex multi-nozzle switching mechanism is provided, the reliability is high, the weight is light, and the response is fast; since the multi-nozzle mechanism is based on parallel mechanisms, no extra complex algorithm such as position compensation is required; advantages of the parallel mechanisms such as no cumulative error and high positioning accuracy are also imparted to the multi-nozzle mechanism; besides, the structure is compact, the rigidity is high, the carrying capacity is high, and the forming space is large.

Description

technical field [0001] The invention relates to a rapid prototyping equipment, in particular to a multi-nozzle mechanism. Background technique [0002] In 3D printing fused deposition modeling (FDM, Fused Deposition Manufacturing) and laser cladding deposition (LCD, Laser Cladding Deposition) processes, it is often necessary to use a multi-nozzle mechanism to achieve fused deposition molding of different colors and different materials. Currently, the multi-nozzle mechanism The structure of the nozzle switching mechanism is complex, the manufacturing cost is high, errors are prone to occur during the nozzle switching process, the reliability is poor, and because of its complex structure, its response speed is slow, the overall structure occupies a large space, the bearing capacity is poor, it is easy to damage, and the forming accuracy is low. Contents of the invention [0003] In order to make up for the above deficiencies, the present invention provides a multi-nozzle mec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/115C23C24/10B33Y30/00
Inventor 荆红颜永年
Owner JIANGSU YONGNIAN LASER FORMING TECH