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Scraper structure

A technology of scraper and scraper support, applied in 3D object support structure, additive manufacturing, processing and manufacturing, etc., can solve the problems that the material liquid cannot be leveled and affects the printing effect, etc.

Pending Publication Date: 2020-08-28
SHAOXING FAST REAL ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The lower part of the existing scraper is set on a flat surface, which will push the material liquid back to the other side during the back and forth movement, causing the material liquid to be unable to level and affect the printing effect

Method used

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Examples

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Embodiment Construction

[0022] Attached below Figure 1-4 The embodiments of the present invention are described in detail.

[0023] A scraper structure, including a knife holder and a scraper 12, the knife holder drives the scraper 12 to move back and forth in a straight line in the resin box 18, the scraper 12 includes a scraper body 121, a connecting block 122, and a deflection bar 123, and the outside of the scraper body 121 is provided with a deflection bar 123 , connecting blocks 122 are provided on both ends of the scraper body 121 in the length direction, and the scraper body 121 is rotatably connected with the knife holder through the connecting blocks 122 . The deflection bar 123 can be in the shape of a strip, arranged along the length direction of the scraper body 121 , or can be in the shape of a block. An arc-shaped surface for deflection is provided on the outer side of the deflection bar 123 .

[0024] Preferably, a damper 16 is provided at the connection between the connection bloc...

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PUM

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Abstract

The invention discloses a scraper structure. The scraper structure is characterized by comprising a scraper frame and a scraper. The scraper frame drives the scraper to do linear back and forth motionin a resin box. The scraper comprises a scraper body, connecting blocks and a deflection strip. The deflection strip is arranged on the outer side of the scraper body. The deflection strip is arranged in the length direction of the scraper body. The upper portion and the lower portion of the outer side of the deflection strip are arranged in a chamfering manner. The connecting blocks are arrangedon the upper portions of the two ends in the length direction of the scraper body. The scraper body is connected with the scraper frame through the connecting blocks in a rotating manner. The scraperstructure can scrape coating, bi-directional reciprocating work is achieved, and the scraping efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of 3D printing equipment, in particular to a scraper structure. Background technique [0002] In the process of 3D printing, it is necessary to coat the material liquid such as photosensitive resin or photosensitive ceramic slurry layer by layer, and when the viscosity of the material liquid is high, due to poor fluidity, faults, incomplete coating or uneven thickness are prone to occur and other defects. In order to avoid the occurrence of the above-mentioned defects, each layer is usually coated with a doctor blade mechanism to ensure the continuity, integrity and uniformity of thickness of the coating. When the coating of the scraper mechanism is completed, the printing platform will be lowered for printing. After the printing is completed, the printing platform will be raised to allow the scraper mechanism to pass through the raised gap for the next layer of coating, and the cycle will continue until th...

Claims

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Application Information

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IPC IPC(8): B29C64/106B29C64/214B33Y30/00
CPCB29C64/106B29C64/214B33Y30/00
Inventor 陈勇陈明曾祥伟张承彬
Owner SHAOXING FAST REAL ELECTRONICS TECH CO LTD