Device for detecting plasma arc flame length and control method
A plasma arc and flame length technology, applied in the direction of measuring devices, optical devices, electrical program control, etc., can solve the problems that the distance cannot be determined and the quality of the powder is affected by the plasma rotating electrode powder making process
Active Publication Date: 2020-04-24
西安赛隆增材技术股份有限公司
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Problems solved by technology
[0007] The embodiment of the present invention provides a device and control method for detecting the length of the plasma arc flame, which is used to solve the problem that the existing plasma rotary electrode powder making process cannot determine and control the distance between the plasma gun and the metal bar, resulting in the existence of influence on the powder. quality problem
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[0050] 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. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0051] figure 1 Schematic diagram of the structure of the plasma milling equipment provided for the prior art, such as figure 1 As shown, the plasma milling equipment includes a spray chamber, a plasma gun and a metal rod. The plasma arc flame is between the plasma gun and the metal bar. According to the content of the background technology, it can be determined that when the distance between the plasma gun and the melting end face of the metal bar is relativ...
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The invention discloses a device for detecting the plasma arc flame length and a control method, relates to the field of powder making, and aims to solve the problem that the powder making process cannot determine and control the distance between a plasma gun and a metal bar and then the powder quality is influenced. The device comprises an image acquisition unit which is used for sending an acquired original image and a detection image to a plasma arc flame length determination unit; the plasma arc flame length determination unit which is used for sending the determined second plasma arc flame length to a main control system according to the original image and the detection image; the main control system which compares the second plasma arc flame length with the longest plasma arc flame length and the shortest plasma arc flame length respectively and sends a control instruction to a metal bar feeding system; and the metal bar feeding system which is electrically connected with the main control system and used for controlling the metal bar to be fed in an accelerated mode or stop feeding according to the received control instruction.
Description
technical field [0001] The invention relates to the technical field of plasma rotary electrode powder making, and more specifically relates to a device and a control method for detecting the length of a plasma arc flame. Background technique [0002] The working principle of the plasma rotating electrode powder making equipment is to generate large heat instantly through the high-energy plasma beam, and melt the end surface of the high-speed rotating metal bar, so that the molten metal droplets fly out at high speed under the action of centrifugal force, so as to achieve the preparation of spherical purpose of the powder. [0003] Regardless of whether it is a transferred arc or a non-transferred arc powder making equipment, the quality of the powder produced is closely related to the distance between the plasma gun and the melting end of the bar. When the current intensity and voltage are kept constant, the distance between the plasma gun and the end of the bar not only af...
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IPC IPC(8): G01B11/02G05B19/04B22F9/14
CPCB22F9/14G01B11/02G05B19/04
Inventor 王冬冬陈斌科朱纪磊孙念光康鑫朱璐凤治华
Owner 西安赛隆增材技术股份有限公司