CN-121994576-A - Inlay method for direct-reading spectral analysis of small-specification bar

CN121994576ACN 121994576 ACN121994576 ACN 121994576ACN-121994576-A

Abstract

The invention discloses a mosaic method for direct-reading spectral analysis of a small-specification bar, which relates to the technical field of spectral analysis and comprises the following steps of S1, sample selection and pretreatment, S2, sample flattening, S3, sample bow bending and forming, S4, mosaic mold and mosaic material preparation, S5, mosaic forming, S6, mosaic sample curing and S7, mosaic sample polishing and grinding. The invention performs the complete processes of sample selection and pretreatment, flattening, arched bending, insert molding, solidification and polishing and grinding on the small-specification bar, and then controls the surface to be polished to sink into the mosaic material for 1-2 mm and foam is discharged and filled layer by layer to ensure the close combination of the mosaic material and the sample, and the solidified material is polished to make the sample and the mosaic material coplanar, so that the small-specification bar can be directly detected on the machine, the problem that the direct reading spectrum analysis cannot be directly performed on the small-specification bar is solved, and the accuracy and the reliability of the component analysis are improved.

Inventors

CHEN ZHENYONG
QIN DONGSHENG
YANG KAI
HE JIDUO
MA LONG
LI WENXIU

Assignees

江苏省镔鑫钢铁集团有限公司

Dates

Publication Date: 20260508
Application Date: 20260310

Claims (10)

1. The mosaic method for the direct-reading spectrum analysis of the small-specification bar is characterized by comprising the following steps of: S1, sample selection and pre-treatment, namely selecting a small-sized bar to be detected, removing impurities on the surface of the bar, and ensuring that the surface of the sample is clean and free of obvious attachments; S2, flattening the sample, namely flattening the cleaned small-specification bar by using a pressing tool, wherein the uniform stress of the sample is ensured in the flattening process; s3, bending and forming the sample in an arch shape, namely bending the flattened sample by adopting a special bending tool to form the sample into an arch structure; s4, preparing an embedded mould and an embedded material, namely selecting an adaptive mould box and a special embedded material, and checking the material; S5, insert molding, namely placing the sample into an insert box, and filling an insert material into the insert box; S6, curing the mosaic sample, namely correspondingly performing curing operation according to the type of the selected mosaic material, and judging according to a judging standard of curing completion; S7, polishing the embedded sample, namely taking the completely solidified mosaic out of the embedded box, and polishing the surface to be polished of the sample.
2. The method of claim 1, wherein in step S3, after bending, the lower part of the sample forms a flat plane structure, and the flat plane is required to ensure that the whole is flat and free of warpage and is in close contact with the bottom surface of the subsequent mosaic box.
3. The method for embedding the small-size bar direct-reading spectral analysis according to claim 2, wherein in the step S4, the preparation of the embedded mold and the embedded material specifically comprises the following steps of selecting a circular embedded box as the mold, selecting a special embedded material suitable for direct-reading spectral analysis as the embedded material, cleaning impurities on the inner wall of the embedded box, and checking whether the embedded equipment is normal or not.
4. The mosaic method for direct-reading spectroscopic analysis of small-size bars according to claim 2, wherein in step S5, the mosaic molding specifically comprises the following steps: S51, placing the bent and molded arc-shaped sample into an inlaid box with the diameter of 25-30mm, enabling a flat plane at the lower part of the sample to be in full close contact with the bottom surface of the inlaid box, and primarily fixing the position of the sample; S52, adjusting the spatial position of the sample, so that the upper surface to be polished of the sample faces the opening direction of the mosaic box, and ensuring that the surface to be polished sinks into the preset position of the mosaic material; S53, filling the mosaic material into the mosaic box, wherein the mosaic material is paid attention to layer-by-layer foam discharging in the filling process, so that the mosaic material is ensured to completely wrap the periphery of the sample; s54, after filling, checking the position of the sample again, and confirming that the sinking depth of the surface to be polished is still 1-2mm, wherein the sample has no offset and no inclination, and the mosaic material is filled to the specified scale of the mosaic box.
5. The mosaic method for direct-reading spectroscopic analysis of small-sized bars according to claim 2, wherein in step S6, the mosaic sample curing process comprises the steps of: S61, selecting a curing mode, namely selecting a corresponding curing mode according to the characteristics of the mosaic material; s62, hot-press curing, namely placing an embedding box filled with a sample and an embedding material into a hot embedding machine, setting heating temperature and pressurizing parameters, and heating, pressurizing and curing; S63, cold mosaic material, namely placing a mosaic box filled with a sample and the mosaic material in a room temperature environment, standing, and waiting for complete solidification according to the solidification time requirement of the mosaic material; S64, judging the completion of solidification, namely completely hardening the inlay material, combining the inlay material and the sample into a whole, and ensuring that the surface of the inlay body is free from cracking, swelling and material shortage and the sample is free from falling and deviation.
6. The mosaic method for direct-reading spectroscopic analysis of small-size bars according to claim 1, wherein in step S7, the polishing process of the mosaic sample comprises the following steps: s71, selecting a device, namely gradually polishing by adopting a polishing device; S72, polishing operation, namely keeping the stress of the mosaic uniform in the polishing process, ensuring that polishing is always performed on a surface to be polished of a sample, wherein the polishing direction is consistent; S73, after polishing and grinding are completed, ensuring that the surface of the sample and the surface of the mosaic material are in the same plane, wherein the surface roughness Ra of the surface to be detected of the sample is less than or equal to 3.2 mu m; S74, cleaning in the later period, namely wiping the polished surface with absolute ethyl alcohol after polishing, removing impurities, and airing for later use; And S75, finally checking, namely checking the embedded sample after polishing and cleaning is finished, and confirming that the surface to be detected of the sample is flat, free of scratches and air holes, and the roughness meets the requirements, wherein the sample is tightly combined with the embedded material, the periphery of the sample is free of air holes and gaps, the embedded material is free from falling off, and the size of the effective detection surface of the sample meets the size requirement after flattening.
7. The method for embedding the small-sized bar direct-reading spectral analysis according to claim 6, wherein the polishing device comprises a supporting frame (1), an adjusting mechanism (2), a polishing mechanism (3) and a positioning mechanism (4), the adjusting mechanism (2) is installed on the inner side of the supporting frame (1), the positioning mechanism (4) is installed on one side of the supporting frame (1), the polishing mechanism (3) is arranged above the positioning mechanism (4), the polishing mechanism (3) comprises a mounting plate (34) and a belt assembly (313), the top of the mounting plate (34) is fixedly connected with a fixing plate (33), the top side of the fixing plate (33) is fixedly connected with a second motor (31), the output end of the second motor (31) penetrates through the fixing plate (33) and is fixedly connected with a rotating bar (36), one side of the rotating bar (36) is fixedly connected with a rotating plate (37), one side of the rotating plate (37) is fixedly connected with a first electric push rod (32), one end of the first electric push rod (32) is fixedly connected with a moving plate (39), the top of the third electric rod (310) is fixedly connected with the third electric rod (310), the rotating rod (312) is rotatably connected with one side of the moving plate (39), and the other end of the rotating rod (312) is fixedly connected with a polishing roller (311).
8. The method for embedding the small-sized bar direct-reading spectral analysis according to claim 7, wherein a second guide rail (38) is connected to the other side of the moving plate (39) in a sliding manner, one side of the second guide rail (38) is fixedly connected with the rotating plate (37), a guide groove (35) is formed in the inner annular surface of the mounting plate (34), and the end portion of the rotating bar (36) is connected to the inner side of the guide groove (35) in a sliding manner.
9. The method for embedding the small-sized bar direct-reading spectral analysis according to claim 7, wherein the adjusting mechanism (2) comprises a first motor (21) and a threaded rod (24), the output end of the first motor (21) is fixedly connected with one end of the threaded rod (24), one side of the first motor (21) is fixedly connected with one side of the supporting frame (1), the other end of the threaded rod (24) is rotatably connected with the bottom side of the supporting frame (1), a sliding plate (23) is connected with the outer thread of the threaded rod (24), one side of the sliding plate (23) is fixedly connected with one end of the mounting plate (34), the other side of the sliding plate (23) is fixedly connected with a first guide rail (22), and the other side of the first guide rail (22) is fixedly connected with one side of the supporting frame (1).
10. The method for mosaic analysis of small-sized bars direct-reading spectral analysis according to claim 7, wherein the positioning mechanism (4) comprises an installation table (44), one side of the installation table (44) is fixedly connected with one side of the supporting frame (1), the top side of the installation table (44) is fixedly connected with a placement table (41), the bottom side of the placement table (41) is fixedly connected with second electric push rods (45), the second electric push rods (45) are provided with four, the four second electric push rods (45) are distributed in a uniform annular array by taking the center line of the placement table (41) as an axis, one end of each second electric push rod (45) is fixedly connected with a moving block (43), one side of each moving block (43) is in sliding connection with the bottom side of the placement table (41), and one end of each moving block (43) is fixedly connected with a clamping block (42).

Description

Inlay method for direct-reading spectral analysis of small-specification bar Technical Field The invention relates to the technical field of spectrum analysis, in particular to a mosaic method for direct-reading spectrum analysis of a small-specification bar. Background The direct-reading spectrometer is a rapid metal component analysis instrument based on the atomic emission spectroscopy principle, and can directly convert the characteristic spectrum signals of elements in a sample into content values and directly display the content values during detection. In the prior art, when the direct-reading spectrometer performs elemental analysis, a sample and an excitation table are required to be adequately sealed, and the small-specification bar with the size smaller than 14mm cannot meet the detection size adaptation requirement of the spark excitation table of the direct-reading spectrometer due to the overall dimension of the bar, an effective sealing structure is difficult to form between the bar and the excitation table, the excitation tightness and stability during detection cannot be ensured, and the small-specification bar cannot directly finish component detection on the direct-reading spectrometer. Disclosure of Invention The invention aims to provide a mosaic method for direct-reading spectral analysis of a small-specification bar, which aims to solve the problems that the self size of the small-specification bar provided by the background technology cannot meet the detection size adaptation requirement of a spark excitation table of a direct-reading spectrometer and the excitation tightness and stability during detection cannot be ensured. In order to achieve the purpose, the invention provides the following technical scheme that the mosaic method for the direct-reading spectrum analysis of the small-specification bar comprises the following steps: S1, sample selection and pre-treatment, namely selecting a small-sized bar to be detected, removing impurities on the surface of the bar, and ensuring that the surface of the sample is clean and free of obvious attachments; S2, flattening the sample, namely flattening the cleaned small-specification bar by using a pressing tool, wherein the uniform stress of the sample is ensured in the flattening process; s3, bending and forming the sample in an arch shape, namely bending the flattened sample by adopting a special bending tool to form the sample into an arch structure; s4, preparing an embedded mould and an embedded material, namely selecting an adaptive mould box and a special embedded material, and checking the material; S5, insert molding, namely placing the sample into an insert box, and filling an insert material into the insert box; S6, curing the mosaic sample, namely correspondingly performing curing operation according to the type of the selected mosaic material, and judging according to a judging standard of curing completion; S7, polishing the embedded sample, namely taking the completely solidified mosaic out of the embedded box, and polishing the surface to be polished of the sample. Preferably, in step S3, after the bending process, the lower portion of the sample forms a flat plane structure, and the plane needs to be guaranteed to be flat and free of warpage, and is in close contact with the bottom surface of the subsequent inlay box. Preferably, in the step S4, the preparation of the mosaic mold and the mosaic material specifically comprises the following steps that a circular mosaic box is selected as the mold, a special mosaic material which is suitable for direct-reading spectral analysis is selected as the mosaic material, impurities on the inner wall of the mosaic box are cleaned, and whether mosaic equipment is normal or not is checked. Preferably, in step S5, the insert molding specifically includes the steps of: S51, placing the bent and molded arc-shaped sample into an inlaid box with the diameter of 25-30mm, enabling a flat plane at the lower part of the sample to be in full close contact with the bottom surface of the inlaid box, and primarily fixing the position of the sample; S52, adjusting the spatial position of the sample, so that the upper surface to be polished of the sample faces the opening direction of the mosaic box, and ensuring that the surface to be polished sinks into the preset position of the mosaic material; S53, filling the mosaic material into the mosaic box, wherein the mosaic material is paid attention to layer-by-layer foam discharging in the filling process, so that the mosaic material is ensured to completely wrap the periphery of the sample; s54, after filling, checking the position of the sample again, and confirming that the sinking depth of the surface to be polished is still 1-2mm, wherein the sample has no offset and no inclination, and the mosaic material is filled to the specified scale of the mosaic box. Preferably, in step S6, the mosaic sample curing process specifically includes the steps