High pressure water jet cutting machine nozzle online monitoring system and method
A high-pressure water jet, monitoring system technology, applied in metal processing equipment, manufacturing tools, abrasive feeding devices, etc., can solve problems such as nozzle damage, target material damage, etc., to avoid damage, have little impact, and ensure reliability. Effect
Inactive Publication Date: 2011-11-30
CHONGQING UNIV
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Problems solved by technology
However, even with this, it is not uncommon for the nozzle to be damaged during the cutting process
When the above situation occurs, due to the limitation of human reaction speed, the target material has been damaged when the operator notices the damage
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[0041] 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 creative efforts fall within the protection scope of the present invention.
[0042] The embodiment of the present invention discloses an online monitoring system for nozzles by simultaneously monitoring the abrasive flow state and air flow in the abrasive conveying pipe to realize online monitoring of the nozzles, realize rapid response when abnormalities occur in the nozzles, and avoid damage to target materials.
[0043] During the high-pressure abrasive jet cutting process, due to the existence of pressure difference, the abrasive conveyi...
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The embodiment of the present invention discloses an online monitoring system for the nozzle of a high-pressure water jet cutting machine, including: a control part, a data acquisition part, and a pressure measurement adapter, wherein: the pressure measurement adapter is connected to the abrasive conveying pipe of the cutting machine connected pipeline, the pressure measuring adapter is provided with an air flow section and an abrasive flow section respectively having several small test holes in each section, and the abrasive enters the abrasive delivery pipe through the abrasive flow section; the data acquisition part: includes a set At the inlet end of the abrasive conveying pipe, an air flow meter for measuring the air flow entering the abrasive conveying pipe; a sensor arranged at a corresponding position of the small test hole of the partition. The embodiment of the invention also discloses a corresponding method for realizing online monitoring of the nozzle. The nozzle online monitoring system disclosed by the invention realizes rapid response when abnormal conditions occur in the nozzle, and avoids damage to target materials.
Description
technical field [0001] The invention relates to the technical field of material processing, and more specifically, to an online monitoring system and method for a nozzle of a high-pressure water jet cutting machine. Background technique [0002] High-pressure abrasive water jet technology is a new technology developed in the past 20 or 30 years. [0003] Such as figure 1 As shown, the specific implementation process of this technology is: pressurize ordinary tap water through a high-pressure pump and force the high-pressure water 101 to be sprayed out through a high-pressure water jet nozzle 102 with a small diameter to form a high-speed water jet 103 whose speed can be Up to 1000 m / s. When this high-speed water jet 103 passes through the mixing chamber 104, the air in the mixing chamber is taken out by the high-speed water jet 103, thereby forming a partial vacuum in the mixing chamber. The abrasive tank 107 and the mixing chamber 104 are connected by an abrasive conveyi...
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IPC IPC(8): B24C7/00
Inventor 张仕进
Owner CHONGQING UNIV