An electron beam powder rapid prototyping system

An electron beam and powder technology, which is applied in the field of electron beam powder rapid prototyping system, can solve the problems of flying powder, affecting the normal operation of electron beam, and uniform powder laying.

Active Publication Date: 2021-08-20
河北敬业增材制造科技有限公司
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Problems solved by technology

[0003] Electron beam needs to lay powder in the molding cavity before rapid prototyping. When laying powder, most of them use manual dumping or powder pump to spread powder directly, so that the powder can not be laid evenly, and it is easy to make the powder fly in the whole device. Affect the normal work of the subsequent electron beam, resulting in products after electron beam forming

Method used

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  • An electron beam powder rapid prototyping system
  • An electron beam powder rapid prototyping system

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0030] refer to Figure 1-2 , an electron beam powder rapid prototyping system, comprising a body 1, a vacuum pump 3 and a controller 4 are installed and fixed on one side outside the body 1, and a powder spreading box 2 is installed and fixed on the other side outside the body 1, the device The top of the inner wall of the body 1 is equipped with an electron gun 5, the bottom of the body 1 is fixed with a ventilating plate frame 8, a fan 7 is arranged below the ventilating plate frame 8, and a groove is provided in the middle of the top of one side of the ventilating plate frame 8. A laser receiver 14 is installed in the groove, and the inside of the air-permeable p...

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Abstract

The invention relates to the technical field of electron beam powder rapid prototyping, in particular to an electron beam powder rapid prototyping system and an operation method, including a body, a vacuum pump and a controller are installed and fixed on one side outside the body, and the other side outside the body The powder spreading box is installed and fixed on the side, the top of the inner wall of the body is equipped with an electron gun, the bottom of the body is fixed with a ventilating plate frame, a fan is installed under the ventilating plate frame, and the inside of the ventilating plate frame is a molding cavity, and the powder spreading box One side of the powder spreading board is installed with a right-angle hinge, and the middle part of the back side of the powder spreading board is connected and fixed by a pull rope and a retracting rope device, and the inner cavity of the powder spreading board is connected to the output end of the powder pump in the powder bin through the connecting pipe. connected, and the powder outlet side of the powder spreading board is provided with a powder outlet grid, and the powder outlet grid is rotated and equipped with a scraper. Powder is flying throughout the unit.

Description

technical field [0001] The invention relates to the technical field of electron beam powder rapid prototyping, in particular to an electron beam powder rapid prototyping system and an operation method. Background technique [0002] The electron beam sintering rapid manufacturing technology is similar to the laser selective area sintering process. It uses the principle of partial melting of the metal powder under the bombardment of the electron beam to realize layered scanning sintering. First, a layer of powder is spread on the powder spreading plane, and then the electron beam Selective sintering is carried out according to the information of the cross-sectional profile under the control of the electron beam. The metal powder is sintered together under the bombardment of the electron beam and bonded with the formed part below, so that it is piled up layer by layer until the entire part is sintered. Finally , to get the desired three-dimensional product by removing excess po...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/105B33Y10/00B33Y30/00
CPCB22F3/003B33Y10/00B33Y30/00B22F10/00B22F10/36B22F10/362B22F10/28Y02P10/25
Inventor 张觉灵杨海西刘博张华赵景飞郄晓静程业
Owner 河北敬业增材制造科技有限公司
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