CN110560386A - method for sorting different metal materials - Google Patents
method for sorting different metal materials Download PDFInfo
- Publication number
- CN110560386A CN110560386A CN201910828763.8A CN201910828763A CN110560386A CN 110560386 A CN110560386 A CN 110560386A CN 201910828763 A CN201910828763 A CN 201910828763A CN 110560386 A CN110560386 A CN 110560386A
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- Prior art keywords
- sorted
- hardness
- sorting
- sample piece
- metal materials
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0098—Tests specified by its name, e.g. Charpy, Brinnel, Mullen
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
the invention provides a method for sorting different metal materials, which comprises the following steps: obtaining a sample piece of a problem material to be sorted, and determining the hardness value of the sample piece; measuring the hardness of the material to be sorted by adopting a portable hardness tester to obtain the hardness value of the material to be sorted; comparing the hardness value of the material to be sorted with the hardness value of the sample piece; and determining the type of the material to be sorted according to the comparison result, and sorting the material to be sorted. By adopting the method for sorting different metal materials, the inspection tool has small investment, can be used in a busy production field, is convenient to use in a large amount in a continuous operation field, is simple and convenient to operate, does not need professional personnel, is suitable for small enterprises, and is also suitable for a large-scale enterprise production field for continuously producing parts.
Description
Technical Field
The invention relates to the technical field of metal material sorting, in particular to a method for sorting different metal materials.
background
in the production, transportation, storage, use and other links of the metal processing industry, metals of different materials are easily mixed together, and the current universal method is assay and magnetic flux separation when the metals are separated.
the current universal assay and magnetic flux sorting method has the following defects:
1. Laboratory test sampling is difficult, and sometimes a plurality of parts or materials need to be mixed and various, some sorted parts cannot be damaged, and sampling is not allowed;
2. The assay cost is high;
3. the sorting of a large amount of materials on a continuous operation site is inconvenient;
4. professional personnel are required for operation;
5. the magnetic flux method is sometimes not suitable for large, non-separable parts.
Disclosure of Invention
the technical problem to be solved by the invention is to provide a method for sorting different metal materials, so as to solve the defects in the prior art; the labor intensity is low, the carrying is not needed, and the operation can be carried out on any site; the cost is low; the requirement on the environment is low, and the method is suitable for frequent use in workshop sites; the operation is convenient, and the training can be carried out on duty with different culture degrees; is suitable for various metal sorting schemes.
In order to solve the technical problems, the invention provides a method for sorting different metal materials, which is suitable for sorting metals with larger material hardness difference; the sorting method comprises the following steps:
Obtaining a sample piece of a problem material to be sorted, and determining the hardness value of the sample piece;
measuring the hardness of the material to be sorted by adopting a portable hardness tester to obtain the hardness value of the material to be sorted;
Comparing the hardness value of the material to be sorted with the hardness value of the sample piece;
And determining the type of the material to be sorted according to the comparison result, and sorting the material to be sorted.
Optionally, the determining the hardness value of the sample comprises:
And finding out the hardness reference value of the sample piece on the product standard corresponding to the sample piece.
Optionally, the determining the hardness value of the sample comprises:
Selecting at least one measuring point on the sample piece, and polishing the selected measuring point to be a near mirror surface;
and measuring the hardness of the polished measuring point on the sample by using the portable hardness tester to obtain the hardness value of the sample.
Optionally, the number of the selected measuring points on the sample is not less than 5.
Optionally, the measuring the hardness of the material to be sorted by using a portable hardness tester includes:
selecting at least one measuring point on a material to be sorted, and polishing the selected measuring point to be a near mirror surface;
measuring the hardness of the polished measuring point on the material to be sorted by using the portable hardness tester to obtain the hardness value of the material to be sorted;
optionally, the number of selected measurement points on the material to be sorted is 1-3.
Optionally, the determining the type of the material to be sorted according to the comparison result to realize sorting of the material to be sorted includes:
when the hardness value of the material to be sorted is the same as that of the sample piece, determining that the material to be sorted and the sample piece are the same material;
and respectively isolating and marking the materials to be sorted with different hardness differences.
optionally, the portable hardness tester is a portable rockwell hardness tester.
The technical scheme of the invention has the following beneficial effects:
The method for sorting different metal materials has the advantages that the investment of inspection tools is small, the method can be used in busy production sites, the method is convenient to use in a large amount in continuous operation sites, the labor intensity is low, the method does not need to be carried, and the method can be operated in any site; the requirement on the environment is low, and the method is suitable for frequent use in workshop sites; the operation is convenient, the training can be carried out at different culture degrees, no professional is needed, and the method is suitable for small enterprises and large enterprise production fields for continuously producing parts; is suitable for sorting various metals.
Drawings
FIG. 1 is a schematic diagram of a portable Leeb hardness tester;
FIG. 2 is a schematic view of a measurement performed using a portable Leeb hardness tester;
FIG. 3 is a flow chart of a method for sorting dissimilar metal materials according to a first embodiment of the present invention;
fig. 4 is a flowchart of a method for sorting dissimilar metal materials according to a second embodiment of the present invention.
[ main component symbol description ]
1. A hardness meter host; 2. an impact device; 3. and detecting the pattern.
Detailed Description
in order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
first embodiment
Referring to fig. 1 to 3, an embodiment of the invention provides a method for sorting different metal materials, which is suitable for sorting metals with large hardness difference; the sorting method comprises the following steps:
S101, obtaining a sample piece of a problem material to be sorted, and determining the hardness value of the sample piece;
It should be noted that, here, the way of determining the hardness value of the sample piece may be: selecting at least one measuring point on the sample piece, and polishing the selected measuring point to be a near mirror surface; and (4) carrying out hardness measurement on the polished measuring points on the sample by adopting a portable hardness tester to obtain the hardness value of the sample. The number of the selected measuring points on the sample piece is not less than 5, and the used portable hardness tester can be a portable Leeb hardness tester; of course, the hardness value of the sample may be determined by directly checking the hardness reference value of the sample according to the product standard corresponding to the sample, and converting the hardness reference value into the hardness value.
the portable hardness tester is shown in fig. 1, and comprises a hardness tester main body 1 and an impact device 2, wherein when in measurement, as shown in fig. 2, the impact device 2 impacts a measurement point on a detection pattern 3, and the hardness value of the detection pattern 3 can be displayed through the hardness tester main body 1.
S102, measuring the hardness of the material to be sorted by adopting a portable hardness tester to obtain the hardness value of the material to be sorted;
It should be noted that the method for measuring the hardness of the material to be sorted by using the portable hardness tester specifically includes: selecting at least one measuring point on a material to be sorted, and polishing the selected measuring point to be a near mirror surface; measuring the hardness of the polished measuring point on the material to be sorted by using a portable hardness tester to obtain the hardness value of the material to be sorted; wherein the number of the selected measuring points on the material to be sorted is 1-3.
s103, comparing the hardness value of the material to be sorted with the hardness value of the sample piece;
and S104, determining the type of the material to be sorted according to the comparison result, and sorting the material to be sorted.
It should be noted that, the specific way of determining the type of the material to be sorted according to the comparison result here is as follows: when the hardness value of the material to be sorted is the same as that of the sample, determining that the material to be sorted and the sample are the same material; finally, the materials to be sorted with different hardness differences can be respectively isolated and marked.
The method for sorting different metal materials provided by the embodiment has the advantages that the investment of the inspection tool is small, the inspection tool can be used in a busy production field, the inspection tool can be conveniently used in a large amount in a continuous operation field, the labor intensity is low, the inspection tool does not need to be carried, and the inspection tool can be operated in any field; the requirement on the environment is low, and the method is suitable for frequent use in workshop sites; the operation is convenient, the training can be carried out at different culture degrees, no professional is needed, and the method is suitable for small enterprises and large enterprise production fields for continuously producing parts; is suitable for sorting various metals.
Second embodiment
The method of the present invention will be described in more detail in this example with reference to specific application scenarios, where the application scenarios of the present embodiment are as follows: a factory warehouse of a certain company mixes a Q235 steel plate into a 100 ton steel plate with a steel grade of 50 steel, the size and the appearance are the same, and the steel plates need to be sorted at present.
the tool used in this embodiment includes: portable hardness tester or other portable hardness testers, portable angle grinder.
as shown in fig. 4, the sorting step of the present embodiment includes:
s101, preparing an alignment pattern: selecting a problem material sample needing sorting, and taking a known 50 steel plate and a known Q235 steel plate as comparison samples;
S102, grinding style: taking points at the same position of the comparison sample, and polishing the selected points into a near mirror surface by adopting a portable angle grinder; wherein the number of the points is not less than 5;
s103, testing the hardness of the sample: using a portable Leeb hardness tester to print 5 points on the sample, and automatically generating an average value by the tester; respectively obtaining the average hardness values of a 50 steel plate and a Q235 steel plate;
here, the hardness reference value can also be found on the product standard and converted into the hardness value of the hardness of the steel, and exclusive sorting can also be adopted if only the hardness of one of the steels is known;
S104, measuring the hardness of the material to be sorted: taking points of the on-site steel plates at the same positions, polishing the selected points into a near mirror surface by adopting a portable angle grinder, and averaging the selected points by using a portable Leeb hardness tester; wherein the number of the selected points is 1-3;
S105, comparison: comparing the hardness value of the material to be sorted with the hardness value of the sample;
s106, sorting and removing: the steel plate with the hardness close to that of the 50 steel plate is a 50 steel plate, and the steel plate with the hardness close to that of the Q235 steel plate is a Q235 steel plate;
Here, if only one steel is known to have the hardness, exclusive sorting can be adopted, and the steel with the approximate hardness is judged to be qualified, and the other steel is judged to be unqualified; when the hardness value is close to the hardness value, the sample spectrum can be sampled to compare with a small part of sample pieces, so that the inspection cost and the working strength can be reduced, and the method is convenient and quick and is not limited by field conditions;
S107, isolating and marking: and respectively isolating the materials with different hardness differences.
further, it should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
it should also be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A method for sorting dissimilar metal materials, the method comprising:
obtaining a sample piece of a problem material to be sorted, and determining the hardness value of the sample piece;
Measuring the hardness of the material to be sorted by adopting a portable hardness tester to obtain the hardness value of the material to be sorted;
Comparing the hardness value of the material to be sorted with the hardness value of the sample piece;
And determining the type of the material to be sorted according to the comparison result, and sorting the material to be sorted.
2. The method for sorting dissimilar metal materials according to claim 1, wherein said determining a hardness value of said sample piece comprises:
and finding out the hardness reference value of the sample piece on the product standard corresponding to the sample piece.
3. the method for sorting dissimilar metal materials according to claim 1, wherein said determining a hardness value of said sample piece comprises:
Selecting at least one measuring point on the sample piece, and polishing the selected measuring point to be a near mirror surface;
And measuring the hardness of the polished measuring point on the sample by using the portable hardness tester to obtain the hardness value of the sample.
4. the method for sorting dissimilar metal materials according to claim 3, wherein the number of the measurement points selected on said sample is not less than 5.
5. The method for sorting dissimilar metal materials according to claim 1, wherein said measuring the hardness of the material to be sorted using a portable hardness tester comprises:
selecting at least one measuring point on a material to be sorted, and polishing the selected measuring point to be a near mirror surface;
measuring the hardness of the polished measuring point on the material to be sorted by using the portable hardness tester to obtain the hardness value of the material to be sorted;
6. the method for sorting dissimilar metal materials according to claim 5, wherein the number of the selected measuring points on the material to be sorted is 1 to 3.
7. the method for sorting dissimilar metal materials according to claim 1, wherein the determining the type of the material to be sorted according to the comparison result to realize the sorting of the material to be sorted comprises:
When the hardness value of the material to be sorted is the same as that of the sample piece, determining that the material to be sorted and the sample piece are the same material;
and respectively isolating and marking the materials to be sorted with different hardness differences.
8. The method for sorting dissimilar metal materials according to any one of claims 1 to 7, wherein said portable hardness tester is a portable Leeb hardness tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910828763.8A CN110560386A (en) | 2019-09-03 | 2019-09-03 | method for sorting different metal materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910828763.8A CN110560386A (en) | 2019-09-03 | 2019-09-03 | method for sorting different metal materials |
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| Publication Number | Publication Date |
|---|---|
| CN110560386A true CN110560386A (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910828763.8A Pending CN110560386A (en) | 2019-09-03 | 2019-09-03 | method for sorting different metal materials |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111746174A (en) * | 2020-07-15 | 2020-10-09 | 杭州康研文具有限公司 | Pen refill recovery unit |
-
2019
- 2019-09-03 CN CN201910828763.8A patent/CN110560386A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111746174A (en) * | 2020-07-15 | 2020-10-09 | 杭州康研文具有限公司 | Pen refill recovery unit |
| CN111746174B (en) * | 2020-07-15 | 2021-05-04 | 张亦军 | Pen refill recovery unit |
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Application publication date: 20191213 |