Vertical drive mechanism for selective laser melting powder coating device
A technology of laser melting and powder spreading device, which is applied in the field of molding processing, can solve the problems of low processing efficiency, achieve the effects of improving processing quality, avoiding low processing efficiency, and increasing the scope of application
Active Publication Date: 2020-03-24
湖南湘迪科技有限公司
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Problems solved by technology
[0004] In view of this, the purpose of the present invention is to overcome the defects in the prior art, to provide a vertical drive mechanism for the selective laser melting processing powder spreading device, which can accurately control the vertical displacement of the powder spreading device, improve the control accuracy, and at the same time Realize in-situ processing, avoid problems such as low processing efficiency and large limitations, and increase the scope of application
Method used
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Embodiment Construction
[0018] As shown in the figure, the vertical drive mechanism for the selective laser melting processing powder spreading device in this embodiment includes left and right wedge seats (including left wedge seats) at both ends of the horizontal guide rail 2 and whose longitudinal section is a right triangle. 7 and right wedge seat 8) and the wedge seat driving assembly for driving the left and right wedge seats to slide along the horizontal single degree of freedom; the two ends of the horizontal guide rail 2 are respectively provided with a left roller 9a and a right roller 9, and the left The rollers are pressed against the driving slope of the left wedge seat, and the right roller is pressed against the driving slope of the right wedge seat. Lowering; the vertical position of the powder spreading device can be accurately controlled to ensure the in-situ processing of the selective laser melting processing system, and the vertical driving mechanism has a simple structure and goo...
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Abstract
The invention discloses a vertical drive mechanism for a selective laser melting processing powder spreading device, which comprises left and right wedge-shaped seats located at both ends of a horizontal guide rail and whose longitudinal section is a right triangle, and used for driving the left and right wedge-shaped seats along the A wedge-shaped seat drive assembly that slides horizontally with a single degree of freedom; the two ends of the horizontal guide rail are respectively provided with a left roller and a right roller, the left roller presses against the driving slope of the left wedge-shaped seat, and the right roller presses against the right wedge-shaped The driving slope of the seat, the wedge-shaped seat driving assembly is used to drive the left and right wedge-shaped seats to approach or move away from each other to realize the rise or fall of the horizontal guide rail.
Description
technical field [0001] The invention relates to the field of molding processing, in particular to a vertical driving mechanism for a powder spreading device for selective laser melting processing. Background technique [0002] Rapid prototyping technology is a new type of manufacturing technology developed in the 1980s. This technology is the process of slicing the three-dimensional model of the part, stacking it layer by layer, and finally superimposing it into a three-dimensional solid part. Rapid prototyping technology breaks through the conventional ideas of deformation forming and removal forming, and realizes the concept of "net shape". There are three main types of rapid prototyping: selective laser sintering technology (SLS), laser cladding manufacturing technology (LENS), and selective laser melting technology (SLM). Among them, the parts prepared by selective laser melting technology have high density, high precision, good performance and good processing stability...
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IPC IPC(8): B22F3/105B33Y30/00
CPCB22F3/003B33Y30/00B22F10/00B22F12/224B22F10/28B22F12/60B22F12/222Y02P10/25
Inventor 杨转运马波唐志添
Owner 湖南湘迪科技有限公司