Grinding, punching and sampling tool for obtaining cylindrical specimen and using method of grinding, punching and sampling tool

Abstract

The invention belongs to the technical field of testing and sampling equipment, and discloses a grinding, punching and sampling tool for obtaining a cylindrical specimen and a using method of the grinding, punching and sampling tool. The bottom end of a cylindrical tool is fixedly connected with a tool handle through a tool body; a spiral groove is formed in the inner wall of the cylindrical tool,a tool edge at the top end of the cylindrical tool is hardened, wear-resistant coatings are prepared on the inner and outer surfaces of the tool, a cooling liquid channel is formed in the center of the tool handle, and a shielding plate is fixed inside the cylindrical tool outside the cooling liquid channel by screws. The tool has a unique cylindrical structure, and the top of the cutting edge and the inner and outer surfaces are covered with the wear-resistant coatings. The structure is first applied to drilling and sampling, adopts grinding mechanism, and is initiative. The cutting tool hasthe advantages of being small in size, easy to carry and install and the like, and can cut off the complete cylindrical sample which is not affected by heat / machinery and has diameter of 10-100 mm and height of 10-80 mm.

Description

Technical field [0001] The invention belongs to the technical field of detection and sampling equipment, and in particular relates to a grinding and perforating sampling tool for obtaining cylindrical test blocks and a use method thereof. Background technique [0002] At present, the closest existing technology: At present, many industries in my country are in mechanical performance testing, organization analysis, defect qualitative and other aspects, especially steel plates, special equipment, pressure pipelines. In order to ensure product quality, service safety, and confirmation of the nature of defects, large-scale destructive sampling was used for routine performance analysis in the past. Destructive sampling and routine performance testing are not only time-consuming and labor-intensive, but also very costly, which greatly wastes resources. How to quickly take out a small sample for various performance testing and analysis is an urgent need of many industries. [0003] A se...

AI Technical Summary

Problems solved by technology

[0006] (1) The traditional micro-damage sampling equipment cannot satisfy the detection of thicker sampling thickness, different positions, crack properties, etc.

[0007] (2) The sampling size of the commonly used core drills in the industry is too large, and the heat is severe, which destroys the performance of the material to be inspected. It cannot be applied to the sampling performance of thin-walled or cracked equipment in steel, shipbuilding, metallurgy, nuclear power and petrochemical industry. detection

[0008] (3) The cylindrical cutter of the punching and grinding type sampling machine puts forward extremely high requirements on the material and manufacturing process, and the existing materials and processing technology are difficult to process the cutting tool that meets the requirements

[0009] The difficulty of solving the above technical problems: due to the limitation of the movement mechanism, the traditional micro-damage sampling equipment can only take the thickness (2-5mm) at a specific position and the spherical cap with a maximum diameter of 50mm, and cannot completely remove the entire crack or the overall thickness of the sample. The main purpose of industrial core drills is hollowing out, not sampling. Due to the cutting principle and cooling method, it cannot be solved; the material of the cylindrical tool requires high hardness, which needs to be processed first and then heat treated, and requires high dynamic balance. , any problem in the process of processing will lead to the scrapping of the tool, and it is a difficult problem to choose the material of the tool

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