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Automatic Batch Grinding Tooling for Small Diameter Cylindrical Samples

A cylindrical sample and small-diameter technology, which is applied in the direction of manufacturing tools, grinding machines, positioning devices, etc., can solve the problems of low grinding efficiency, potential safety hazards, and difficulty in ensuring uniform grinding of the outer cylindrical surface, so as to reduce processing difficulty, Easy to operate and improve the efficiency of sample preparation

Active Publication Date: 2019-09-10
CRRC QISHUYAN INSTITUTE CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For a long time, for small cylindrical samples with a diameter of about 5mm, manual grinding has been used, which not only has potential safety hazards, it is difficult to ensure uniform grinding of the outer circular surface, and the grinding efficiency is low

Method used

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  • Automatic Batch Grinding Tooling for Small Diameter Cylindrical Samples
  • Automatic Batch Grinding Tooling for Small Diameter Cylindrical Samples
  • Automatic Batch Grinding Tooling for Small Diameter Cylindrical Samples

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] This embodiment provides a batch automatic grinding tool for small-diameter cylindrical samples, such as Figure 1-2 Shown: including base 1, sample hole 2, friction plate 3, side baffle 4 and bolt 5, the base 1 is a cuboid structure, made of wear-resistant material, the bottom surface is horizontal, and the bottom surface is arranged in parallel with 2 suitable sizes The sample hole 2, the sample hole 2 adopts one end opening method, and the end surface has a large semicircular structure, so as to ensure that the cylindrical surface of the sample to be tested is exposed to the bottom surface of the fixture and does not fall out during the preparation process; the friction plate 3 is made of powder metallurgy material, and the end surface It has a concentric structure with the sample hole 2, the outer diameter is slightly smaller than the inner diameter of the sample hole 2, and the inner diameter is slightly larger than the outer diameter of the sample to be tested, so ...

Embodiment 2

[0033] This embodiment provides a batch automatic grinding tool for small-diameter cylindrical samples, such as Figure 3-4 As shown: including base 1, sample hole 2, spring device 3, side baffle 4 and bolt 5, the base 1 is a cuboid structure, made of wear-resistant material, the bottom surface is horizontal, and the bottom surface is arranged in parallel with two suitable sizes The sample hole 2 adopts the opening method at one end, and the end surface is a large semicircular structure, so as to ensure that the cylindrical surface of the sample to be tested is exposed to the bottom surface of the fixture and does not fall out during the preparation process, and the other end is processed to match the bolts of the spring system The bolt hole; the spring device is composed of three parts: bolt 3-1, spring 3-2, and ball head 3-3, wherein the bolt 3-1 matches the bolt hole of the base, and the two ends of the spring are respectively connected and fixed with the bolt head and the b...

Embodiment 3

[0035] This embodiment provides a batch automatic grinding tool for small-diameter cylindrical samples, such as Figure 5-7Shown: including base 1, base sample hole 2, U-shaped cover plate 3, friction plate 4 and bolt 5, the base 1 is a cuboid structure, made of ordinary metal, the bottom surface is horizontal, and the bottom surface is arranged in parallel with 2 A sample hole 2 with a suitable size, the sample hole 2 adopts a through hole method, and the hole wall is polished. In addition, the end surface of the sample hole is a semicircular structure; the cover plate 3 is made of wear-resistant material, and its thickness is smaller than that of the base sample hole. Radius, the same number of rectangular sample holes are processed corresponding to the sample holes of the base, the friction plate 4 is bonded to both sides of the rectangular sample holes, the cover plate 3 and the base 1 are connected by bolts 5, after the two are assembled Part of the cylindrical surface of...

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Abstract

The invention relates to a batch automatic grinding tool for a small diameter cylindrical sample. The batch automatic grinding tool comprises a base; the base is provided with at least one semi-open sample hole for holding the to-be-ground sample; the central angle of the solid part of each semi-open hole is greater than 180 degrees; and the inner diameter of the solid parts is in dynamic fit withthe outer diameter of the corresponding to-be-ground sample. The sample preparation efficiency is greatly improved, by machining the sample holes of different sizes, and the multiple types of samplescan be ground simultaneously; and the sample holes are blocked through side baffles, the operation is convenient, and the cost is low. Therefore, the problem of grinding of small cylindrical samples,especially gas-containing steel samples is solved, the working efficiency of processing personnel can be greatly improved, and the uniformity, precision and stability of the surface of workpieces areensured.

Description

technical field [0001] The invention specifically relates to a batch automatic grinding tool for small-diameter cylindrical samples, which belongs to the field of tooling and fixtures for grinding the outer circular surface of small cylindrical samples, and is mainly suitable for short and thin small gas content samples in steel. Specimen clamping fixture. Background technique [0002] The hydrogen content of gaseous elements in steel is tested independently, while oxygen and nitrogen are tested together. According to GB / T223.82-2007, GB / T20124-2006 and other relevant standards, gas element samples in steel should be taken as long strip samples of appropriate size, and the most common ones are processed into small cylindrical samples (commonly known as gas samples) ). Surface coatings, moisture, dust, and other forms of contamination must be removed prior to analysis of samples. [0003] In the prior art, gas samples are mostly cut by wire cutting, and the surface of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q3/00B24B5/04
Inventor 李平平赫磊金军王群吴飞虎任立文
Owner CRRC QISHUYAN INSTITUTE CO LTD
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