Metallographic specimen forming device

Abstract

The utility model relates to the technical field of metallographic samples, in particular to a metallographic sample forming device which comprises a left box body, a right box body and a casting cavity, the left box body and the right box body are spliced and fixed through bolts in a bilateral symmetry mode, and the interiors of the left box body and the right box body are of an integrated structure and are each provided with a casting cavity. The sand injection openings are of an integrated structure and are located in the middles of the upper portions of the left box body and the right box body correspondingly, and plugs are screwed to the upper portions of the sand injection openings through threads. Through the improvement on the structure, the metallographic detection efficiency is improved by adopting a casting molding processing mode, and the problems that the detection quality is influenced by the change of a microscopic structure caused by improper cutting processing are effectively prevented, so that the metallographic detection device has the advantages of higher practical performance, higher practical value and the like; therefore, the problems and defects in the prior art and equipment are effectively solved.

Description

Technical Field

[0001] This utility model relates to the field of metallographic sample technology, and more specifically, to a metallographic sample forming device. Background Technology

[0002] Metallography, or metallography, is the science that studies the internal structure of metals or alloys. High-quality metallographic samples are essential for the accurate examination and analysis of the microstructure of metals.

[0003] However, the current preparation of metallographic samples is all done by machining and cutting. This often leads to changes in the microstructure of metallographic samples due to improper cutting and processing, which affects the quality of detection. In addition, some metallographic samples have complex shapes, which makes the cutting process slow and affects the detection efficiency.

[0004] In view of this, this paper studies and improves the existing problems, and provides a metallographic sample forming device, aiming to solve the problems and improve the practical value through this technology. Utility Model Content

[0005] The purpose of this invention is to provide a metallographic sample forming device to solve the problems and deficiencies mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides a metallographic sample forming device, which is accomplished by the following specific technical means:

[0007] A metallographic sample forming device includes: a left box body, a right box body, a casting cavity, a sand injection port, a fixing port, a pouring channel, a limiting pin, a limiting hole, a plug, an adjusting cap, a pouring pipe, casting sand, and a mold core; the left box body and the right box body are symmetrically connected and fixed by bolts, and the interior of the left box body and the right box body are integrally structured and each has a casting cavity; the sand injection port is an integral structure located at the middle position of the upper part of the left box body and the right box body, and the upper part of the sand injection port is screwed with a plug; the fixing port is an integral structure located on the inner wall of the upper part of the left box body and the right box body. The upper part of the fixed opening is fitted with an adjusting cap by a thread; the pouring channel is an integral structure located on the inner wall of the upper part of the left and right boxes respectively, and the pouring channel is located below the fixed opening; the limiting pin is installed on the inner wall of both sides of the left box by an embedded method, and the limiting pin is inserted into the limiting hole located on the inner wall of both sides of the right box by a clearance fit; the pouring pipe is installed through the adjusting cap by a threaded connection, and the pouring pipe is also located inside the pouring channel; the casting sand fills the inside of the casting cavity, and the mold core is placed inside the casting sand.

[0008] As a further optimization of this technical solution, the left and right boxes of the metallographic sample forming device of this utility model are both rectangular box-shaped structures, and the left and right boxes are spliced ​​together in a left-right symmetrical manner to form a complete rectangular box structure.

[0009] As a further optimization of this technical solution, the casting pipe of the metallographic sample forming device of this utility model is a round pipe with external threads, and the bottom end of the casting pipe is located inside the casting cavity.

[0010] As a further optimization of this technical solution, the mold core of the metallographic sample forming device of this utility model is a 3D printed foam plastic mold.

[0011] Due to the application of the above technical solution, this utility model has the following advantages compared with the prior art:

[0012] 1. This utility model discloses a metallographic sample forming device. By utilizing the complete box structure composed of the left box and the right box, metallographic samples can be prepared and processed by casting, thereby eliminating the need for machining and cutting the samples, improving the efficiency of metallographic detection, and enabling rapid analysis of material composition, making it more practical.

[0013] 2. This utility model provides a metallographic sample forming device. By using casting to prepare metallographic samples, it avoids the problem of changes in microstructure caused by improper cutting and processing, which affects the detection quality, thus further improving the practical value of the device.

[0014] 3. Through structural improvements to the above-mentioned device, this utility model has the advantages of improving metallographic detection efficiency through casting and forming processing, and effectively preventing changes in microstructure caused by improper cutting and processing, which would affect the detection quality. This makes it more practical and valuable, thus effectively solving the problems and shortcomings of existing technologies and equipment. Attached Figure Description

[0015] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0016] Figure 1 This is a schematic diagram of the exploded structure of this utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0018] Figure 3 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the adjusting cap structure of this utility model.

[0020] In the diagram: 1. Left box body; 2. Right box body; 3. Casting cavity; 4. Sand injection port; 5. Fixing port; 6. Pouring channel; 7. Limiting pin; 8. Limiting hole; 9. Plug; 10. Adjusting cap; 11. Pouring pipe; 12. Casting sand; 13. Mold core. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Please see Figures 1 to 4 This utility model provides a specific technical implementation scheme for a metallographic sample forming device:

[0023] A metallographic sample forming device includes: a left box 1, a right box 2, a casting cavity 3, a sand injection port 4, a fixing port 5, a pouring channel 6, a limiting pin 7, a limiting hole 8, a plug 9, an adjusting cap 10, a pouring pipe 11, casting sand 12, and a mold core 13; the left box 1 and the right box 2 are symmetrically connected and fixed by bolts, and the interior of the left box 1 and the right box 2 are integrally structured and each has a casting cavity 3; the sand injection port 4 is an integral structure located at the middle position of the upper part of the left box 1 and the right box 2, and the upper part of the sand injection port 4 is screwed with a plug 9; the fixing port 5 is an integral structure located at the upper part of the left box 1 and the right box 2. On the inner wall of the casting cavity 3, an adjusting cap 10 is screwed into the inside of the fixing port 5; the casting channel 6 is an integral structure located on the inner wall of the upper part of the left box 1 and the right box 2, and the casting channel 6 is located below the fixing port 5; the limiting pin 7 is installed on the inner wall of both sides of the left box 1 by embedding, and the limiting pin 7 is inserted into the limiting hole 8 located on the inner wall of both sides of the right box 2 by clearance fit; the casting pipe 11 is installed through the adjusting cap 10 by screwing, and the casting pipe 11 is also located inside the casting channel 6; the casting sand 12 fills the inside of the casting cavity 3, and the mold core 13 is placed inside the casting sand 12.

[0024] Specifically, both the left box 1 and the right box 2 are rectangular box-shaped structures, and they are symmetrically joined together to form a complete rectangular box structure. Figure 2 As shown, after the left box 1 and the right box 2 form a complete box structure, the inside is filled with casting sand and the mold core 13 is placed inside, so that the sample for metallographic specimens can be quickly cast without cutting, thus improving the detection effect and efficiency.

[0025] Specifically, the casting pipe 11 is a round pipe with external threads, and the bottom end of the casting pipe 11 is located inside the casting cavity 3, and combined with... Figure 2 As shown, the length of the pouring pipe 11 within the casting cavity 3 can be adjusted by rotating it in both directions with the adjusting cap 10, which is convenient for meeting the pouring needs of mold cores 13 of different sizes.

[0026] Specifically, the mold core 13 is a 3D printed foam plastic mold, and the mold core 13 can be made into the required shape of the metallographic sample by using 3D printing. Furthermore, the mold core 13 is formed by combining the principle of lost foam casting.

[0027] Specific implementation steps:

[0028] In use, the mold core 13 is first processed into the required shape of the metallographic sample using 3D printing. Then, the casting cavity 3 is filled with casting sand 12 and the mold core 13 is fixed in the middle. The left box 1 and the right box 2 are firmly spliced ​​together and vibrated on the vibration table. During this process, casting sand 12 can be added through the sand injection port 4. Finally, the pouring pipe 11 is screwed into the adjusting cap 10 and reaches the mold core 13 for pouring. A complete metallographic sample can then be obtained through casting.

[0029] In summary, this metallographic sample forming device utilizes a complete box structure consisting of a left and right box to prepare metallographic samples through casting, eliminating the need for machining and cutting. This improves metallographic detection efficiency, enables rapid analysis of material composition, and enhances its practicality. Furthermore, the casting method avoids the microstructural changes caused by improper cutting, which can affect detection quality and further enhances the device's practical value, thus resolving existing technological limitations.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A metallographic specimen forming apparatus comprising: The utility model relates to a sand casting device, which comprises a left box body (1), a right box body (2), a casting cavity (3), a sand injection port (4), a fixing port (5), a pouring channel (6), a limiting pin (7), a limiting hole (8), a plug (9), an adjusting cap (10), a pouring pipe (11), casting sand (12) and a mold core (13).

2. A metallographic specimen forming apparatus according to claim 1, characterized by: The left box body (1) and the right box body (2) are symmetrically connected by bolts.

3. The metallographic specimen forming apparatus of claim 1, wherein: The pouring pipe (11) is a circular pipe with external threads, and the bottom end of the pouring pipe (11) is located in the casting cavity (3).

4. The metallographic specimen forming apparatus of claim 1, wherein: The mold core (13) is a 3D printed foamed plastic mold.

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