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Device and method for detecting height position of working face of 3D printing platform

A 3D printing and detection device technology, applied in the direction of additive processing, etc., can solve the problems of low positioning accuracy of mechanical switches, difficult starting layer height position, difficult adjustment of mechanical switch positions, etc., to offset errors and achieve accurate and reliable position detection. Effect

Inactive Publication Date: 2015-11-18
厦门达天电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method is simple, it also has shortcomings. First, the positioning accuracy of the mechanical switch is low, and the position of the mechanical switch is not easy to adjust, requiring the user to have a certain amount of hands-on ability. In addition, the mechanical switch detects the position of the 3D printing platform body. Rather than the position of the printing surface, if there are auxiliary materials on the working surface of the 3D printing platform, such as tape paper to increase the adhesion of 3D printing, it is difficult to accurately determine the position of the starting layer by this mechanical switch detection method. height position

Method used

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  • Device and method for detecting height position of working face of 3D printing platform
  • Device and method for detecting height position of working face of 3D printing platform
  • Device and method for detecting height position of working face of 3D printing platform

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Embodiment 1

[0027] Such as Figures 1 to 2 As shown, a height position detection device for the working surface of a 3D printing platform provided by the present invention is specifically described, including a base plate 3 provided with a limit post 6 at the middle position, the base plate 3 is provided with a rotating shaft 4 and a photoelectric sensor 1, and the The rotating shaft 4 is connected to the cantilever 2 that rotates around its axis, and the sensing end 8 of the cantilever 2 is arranged in the photoelectric sensing area 11 of the photoelectric sensor 1 and can be between the first working position 13 and the second working position 14 Do reciprocating movement, the sensing end 8 is arranged under the limit post 6, the detection end 7 of the cantilever 2 moves up and down around the axis of the rotating shaft 4, and one side of the substrate 3 is provided with a 3D printer connected Mounting groove 12, the preferred photoelectric switch of described photoelectric sensor 1, th...

Embodiment 2

[0036] On the basis of Embodiment 1, the present invention also provides a detection method using a height position detection device on the working surface of the 3D printing platform. The difference from Embodiment 1 is that step 2) can also adopt the following methods. The steps are the same. The step 2) is to raise the working surface 9 of the 3D printing platform to contact with the detection end 7 of the cantilever 2, and continue to raise the working surface 9 of the 3D printing platform, so that the sensing end 8 of the cantilever 2 enters the photoelectric The sensing area 11 of the sensor 1, and trigger the photoelectric sensor 1, then the working surface 9 of the 3D printing platform changes direction from rising to falling, and close the electric sensor 1, the height at this time is h1, and then the 3D printing platform 9 is Decline and change direction to rise, so that the sensing end 8 of the cantilever 2 enters the sensing area 11 of the photoelectric sensor 1, a...

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Abstract

The invention relates to the technical field of 3D printing equipment, and in particular to a device and method for detecting the height position of the working face of a 3D printing platform. The device for detecting the height position of the working face of the 3D printing platform comprises a base plate with a limiting column arranged in the middle. The base plate is provided with a rotary shaft and a photoelectric sensor. The rotary shaft is connected with a cantilever rotating around the axis of the rotary shaft. The sensing end of the cantilever is arranged in the photoelectric sensing region of the photoelectric sensor and can move back and forth. The detection end of the cantilever vertically moves around the axis of the rotary shaft. An installation groove connected with a 3D printer is formed in one side face of the base plate. The specially-designed cantilever is used for detecting the position of the working face of the 3D printing platform, switching errors are offset through a drop-and-insert detection method, and accurate and reliable position detection is achieved.

Description

technical field [0001] The invention relates to the technical field of 3D printing equipment, in particular to a height position detection device and a detection method of a working surface of a 3D printing platform. Background technique [0002] In the prior art, 3D printing is more and more widely used, and its application fields include industrial design, mold manufacturing, medical and health care and teaching fields. High-end 3D printers can directly print wings and firearms, and can directly print bones, joints and teeth in clinical practice. The automation of the 3D printing process reduces the technical threshold of 3D printing operations, which plays an important role in the popularization of 3D printing applications. 3D printing is a process of layer-by-layer construction and superposition. The printing of the first layer on the 3D printing platform, that is, the initial layer, is the basis for subsequent layer printing. If the starting layer is printed too far a...

Claims

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Application Information

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IPC IPC(8): B29C67/00B33Y40/00
Inventor 耿得力
Owner 厦门达天电子科技有限公司
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