Three-dimensional object manufacturing equipment and its window mirror cleaning method
A technology for manufacturing equipment and three-dimensional objects. It is applied in the field of additive manufacturing. It can solve the problems of polluting window mirrors, low power, and the inability to solve the problem of oily adhesion of materials on the lens, so as to improve work efficiency and increase the use rate.
Active Publication Date: 2019-05-03
HUNAN FARSOON HIGH TECH CO LTD
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Problems solved by technology
[0003] In the prior art, during the high-temperature heating and sintering process of the powder material, due to the physical or chemical reaction of the material, the material turns into gas, gathers and adheres to the window lens, which greatly pollutes the window lens
The existing method to prevent the lens from being polluted is mainly the air blowing method. However, the air blowing method in the prior art cannot solve the oily adhesion of the material on the lens, and as the temperature increases, the pollution becomes more serious, and the laser emitted by the laser reaches the lens. The lower the power used for sintering, the lower the power, which greatly restricts the preparation of sintered high-temperature material equipment
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[0034] In order to allow those skilled in the art to better understand and realize the technical solution of the present invention, further detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.
[0035] Such as figure 1 As shown, the three-dimensional object manufacturing equipment includes a window mirror, a laser power detector 8, a control system 7, and a cleaning device with cleaning agent cleaning and gas cleaning. The window mirror includes two or more than two lenses 4 and is used to install two The rotating mechanism of one or more than two mirrors 4, under the rotation of the rotating mechanism, the mirrors 4 seal the laser window in turn, and the control system 7 controls the laser power detector 8 to move to the sealed laser window when receiving the lens cleanliness detection instruction. The laser power is detected under the lens 4 of the window. According to the comparison result of the detected laser pow...
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The invention discloses three-dimensional object manufacturing equipment and a window mirror cleaning method thereof. The three-dimensional object manufacturing equipment comprises a window mirror, a laser power detector, a control system and a cleaning device which has cleanser cleaning and gas cleaning functions. The window mirror comprises two or more mirror pieces and a rotating mechanism used for mounting the two or more mirror pieces. In rotating of the rotating mechanism, the mirror pieces sequentially and alternately seal a laser window. When receiving a mirror cleanliness detecting instruction, the control system controls the laser power detector to move below one of the mirror pieces sealing the laser window and detect laser power, and whether the mirror piece needs to be cleaned by starting the cleaning device or not and whether cleanliness detecting is completed and workpiece manufacturing is executed or not are judged according to a comparison result of the detected laser power with a preset value. Not only is the window mirror cleaned effectively, but also the required waiting time of the equipment when the window mirror is cleaned is saved, and accordingly the working efficiency of the equipment is improved.
Description
technical field [0001] The invention belongs to the technical field of additive manufacturing, and in particular relates to a three-dimensional object manufacturing device and a window mirror cleaning method thereof. Background technique [0002] Additive Manufacturing technology (Additive Manufacturing, referred to as AM) is an advanced manufacturing technology with distinctive features such as digital manufacturing, high flexibility and adaptability, direct CAD model drive, fast speed, and rich and diverse material types. The degree of limitation does not require any tooling and molds, so the application range is very wide. Selective Laser Melting (SLM) is one of the additive manufacturing technologies that has developed rapidly in recent years. It uses powder materials as raw materials and uses lasers to scan the cross-section of a three-dimensional entity layer by layer to complete prototype manufacturing. The complexity of the shape is limited, no tooling and molds are...
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IPC IPC(8): B29C64/153B29C64/268B29C64/35B29C64/393B33Y30/00B33Y40/00
CPCB33Y30/00B33Y40/00
Inventor曾思齐陈虎清王鹏飞
OwnerHUNAN FARSOON HIGH TECH CO LTD