Selective laser melting forming type two-way reciprocating powder paving device and control method thereof

A laser melting and powder spreading device technology, which is applied in the field of additive manufacturing, can solve the problems of affecting the forming of parts, low efficiency, and the effect of powder spreading is limited by the amount of powder supplied at a time.

Pending Publication Date: 2019-10-25
SHENZHEN SUNSHINE LASER & ELECTRONICS TECH CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] For the powder spreading mechanism of the single-pole mode, the efficiency is low, the time is long, and the powder spreading effect is limited by the single powder supply amount.
For the double-knife mode, there is a technical problem that it is difficult to adjust the scrapers on both sides to the same level, which will cause differences in the effect of two consecutive powder coatings, which will also affect the forming of the part; in addition, due to

Method used

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  • Selective laser melting forming type two-way reciprocating powder paving device and control method thereof
  • Selective laser melting forming type two-way reciprocating powder paving device and control method thereof
  • Selective laser melting forming type two-way reciprocating powder paving device and control method thereof

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Embodiment Construction

[0043] In order to make the technical problems, technical solutions and beneficial effects to be solved by the embodiments of the present application clearer, the following combination Figure 1 to Figure 5 And embodiment, this application is described in further detail. It should be understood that the specific embodiments described here are only used to explain the present application, not to limit the present application.

[0044]It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" or "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. In addition, the connection can be used for both fixing and circuit communication.

[0045] It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear"...

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Abstract

The invention discloses a selective laser melting forming type two-way reciprocating powder paving device and a control method thereof. The device comprises a powder supplying assembling body, a powder paving assembling body, a dust-free linear conveying assembly, a left cutter aligning instrument, a right cutter aligning instrument and a base platform, wherein the powder paving assembling body comprises a left scraping knife, a right scraping knife, a left ranging instrument, a right ranging instrument, a left scraping knife height adjusting assembly, a right scraping knife height adjusting assembly and a powder storing area; the powder supplying assembling body is used for supplying powder to the powder storing area of the powder paving assembling body; the dust-free linear conveying assembly is positioned at the side edge of the base platform; the powder paving assembling body can leftwards and rightwards move along the dust-free linear conveying assembly; and a base plate is arranged on the base platform. The control method is applicable to the two-way powder paving device. With the adoption of the device and the control method, the height of the scraping knives at two sides can be adjusted and controlled in real time, so that the consistency of effect of paving powder twice can be ensured.

Description

technical field [0001] The present application relates to the technical field of additive manufacturing, in particular to a selective laser melting forming bidirectional reciprocating powder spreading device and a control method thereof. Background technique [0002] With the continuous development of 3D printing technology, 3D printing technology of metal parts, as the most cutting-edge and most potential technology in the entire 3D printing system, has begun to receive more and more attention. In view of the problems of high mold cost, low material utilization rate, long production cycle and other problems in forming parts with complex shapes by traditional processing technology, selective laser melting technology (SLM, Selective Laser Melting) has become the main development direction of rapid prototyping in the future. Compared with traditional processing technology, this technology has many advantages, mainly reflected in the fact that it can directly form metal parts w...

Claims

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Application Information

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IPC IPC(8): B22F3/105B33Y30/00
CPCB33Y30/00B22F10/00B22F12/90B22F10/28B22F12/67B22F12/222B22F10/30Y02P10/25
Inventor 牛文明童俊达王轩邹倩黄宁桂马建立
Owner SHENZHEN SUNSHINE LASER & ELECTRONICS TECH CO LTD
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