Device and method for testing carbon content of electrolyzed rare earth metal

Abstract

The invention belongs to the technical field of rare earth metal detection, and particularly relates to a device and method for testing the carbon content of electrolyzed rare earth metal, the device comprises a U-shaped support, a steering mechanism, a connecting mechanism, a telescopic mechanism, a material taking mechanism and a workbench, the steering mechanism is arranged on the inner wall of the U-shaped support, one end of the connecting mechanism is slidably connected in the steering mechanism, and the other end of the connecting mechanism is slidably connected in the workbench; the telescopic mechanism is arranged on the U-shaped support, the telescopic end of the telescopic mechanism is connected with the connecting mechanism, when the telescopic mechanism stretches or retracts, the material taking mechanism slides up and down along the steering mechanism, the directions of the material taking mechanism and the steering mechanism are opposite, the workbench is arranged below the material taking mechanism, and a discharging port is formed in the upper end of the U-shaped support. Under the combined action of the steering mechanism, the connecting mechanism, the telescopic mechanism and the material taking mechanism, rare earth metal samples can be conveniently drilled, recycled, classified and tested in a centralized mode, and the carbon content testing effect and the working efficiency of the rare earth metal samples are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of rare earth metal detection, and in particular relates to a device and a method for testing the carbon content of rare earth metals after electrolysis. Background Art

[0002] The rare earth molten salt electrolysis process is to melt rare earth compounds (rare earth metal chlorides or fluorides) at high temperatures. Under the action of electric current, metal cations gain electrons to form metals, and chloride ions or fluoride ions lose electrons to form gases. The electrolysis products are taken out of the crucible and transferred to the ingot casting chamber for ingot casting. It is usually necessary to test the carbon content of the electrolysis products. Only after they are qualified can the next step of processing be carried out. Carbon content detection is mostly carried out by chemical methods, but the efficiency is low, which affects the overall processing efficiency.

[0003] The announcement number is CN117825654A, and the patent name is a device and method for testing the carbon content of rare earth metals after electrolysis. It discloses a base, a telescopic rod, a placement platform and a controller. The telescopic rod is arranged on the base, the placement platform is arranged on the telescopic rod, and the controller is arranged on the top of the telescopic rod. The carbon content testing method includes the steps of S1, placing the electrolyzed rare earth metal sample on the workbench, adjusting the height of the workbench by the clamp, and then starting the controller. After the drill bit is rotated, the drill bit is drilled into the electrolyzed rare earth metal sample by the handle; S2, after the drilling of the electrolyzed rare earth metal sample is completed, the controller is lifted and started to make the drill bit leave the sample, the debris obtained by the drilling is collected and the carbon content is tested. It has the characteristics of judging whether the carbon content of the electrolyzed rare earth metal is qualified by judging the number of segments of the obtained debris when it needs to reach the qualified range length and the glossiness of the rare earth metal. Compared with the traditional detection of rare earth carbon content by other methods such as chemistry, the device and detection method of the present invention greatly improve the efficiency and other technical characteristics;

[0004] However, the defects of the above-mentioned public document are that the structural design is simple and it is not convenient to collect the debris obtained by drilling, and the carbon content test effect of rare earth metal samples is not good. Therefore, based on the above-mentioned defects, the applicant proposed a better technical solution to solve the above-mentioned technical problems.

[0005] The information disclosed in this background technology section is only intended to enhance the understanding of the overall background of the invention and should not be regarded as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to a person skilled in the art. Summary of the invention

[0006] The present invention aims to solve the above technical problems and provides a device and method for testing the carbon content of rare earth metals after electrolysis, which mainly solves the technical problems in the prior art that it is inconvenient to collect the debris obtained by drilling and the carbon content testing effect of rare earth metal samples is poor.

[0007] To achieve the above object, the technical solution of the present invention is:

[0008] A device for testing the carbon content of rare earth metals after electrolysis, comprising a U-shaped bracket, a steering mechanism, a connecting mechanism, a telescopic mechanism, a material taking mechanism and a workbench.

[0009] The steering mechanism is arranged on the inner wall of the U-shaped bracket, one end of the connecting mechanism is slidably connected in the steering mechanism, and the other end is connected to the material taking mechanism.

[0010] The telescopic mechanism is arranged on the U-shaped bracket, and its telescopic end is connected to the connecting mechanism. When the telescopic mechanism is extended or contracted, the material taking mechanism slides up and down along the steering mechanism, and its direction is opposite.

[0011] The workbench is arranged below the material taking mechanism, and a material discharge port is provided at the upper end of the U-shaped bracket.

[0012] Preferably, the steering mechanism comprises a base plate, a slide groove is provided on the base plate, the slide groove comprises an upper slide portion, a steering portion and a lower slide portion connected in sequence, and one end of the connecting mechanism is slidably connected in the slide groove.

[0013] Preferably, the upper sliding portion comprises a vertical section and an inclined section connected to a lower end of the vertical section, and the inclined sections are inclined toward the turning portion and are connected to each other.

[0014] Preferably, the lower sliding portion and the upper sliding portion have the same structure and are symmetrically arranged up and down.

[0015] Preferably, the connecting mechanism includes a slider, a steering plate, a connecting column and a rotating cylinder. The slider and the connecting column are respectively arranged on the front and rear sides of the steering plate, and the two are arranged vertically at an interval. The slider is slidably connected in the slide groove, and the connecting column is rotatably connected in the rotating cylinder, and the end thereof away from the steering plate is connected to the material picking mechanism, and the telescopic end of the telescopic mechanism is fixedly connected to the rotating cylinder.

[0016] Preferably, the material picking mechanism comprises a shell, a material picking assembly, a driving assembly and a pushing assembly, wherein the material picking assembly, the driving assembly and the pushing assembly are all built into the shell, and the driving assembly is rotationally connected to the material picking assembly, and the pushing assembly is slidingly connected to the material picking assembly.

[0017] Preferably, the material taking assembly comprises a hollow cylinder, a drill bit and a bearing, wherein the bearing is arranged at the lower end of the shell, the hollow cylinder is rotatably connected to the bearing, and the end thereof extends to the outside of the shell and is connected to the drill bit.

[0018] Preferably, the driving assembly comprises a driving motor, a main gear and a slave gear, the driving motor is arranged in the housing, and an output end thereof is connected to the main gear, and the slave gear is arranged on the hollow cylinder and meshedly connected to the main gear.

[0019] Preferably, the pushing assembly includes an electric telescopic rod, a connecting piece, a push rod and a push block. The electric telescopic rod is arranged in the shell, and its telescopic end is connected to the push rod through the connecting piece. The push rod is slidably arranged in the hollow cylinder, and its end is connected to the push block.

[0020] The present invention also provides a method for testing the carbon content of rare earth metals after electrolysis, comprising the following steps:

[0021] (a) placing the electrolyzed rare earth metal samples on a workbench that can be operated intermittently in sequence, and driving the material taking mechanism to drill holes and take materials from the rare earth metal samples by controlling the telescopic mechanism;

[0022] (b) When taking materials, the telescopic mechanism is retracted, and the housing slides downward along with the sliding connection of the connecting mechanism on the lower slide portion. At this time, the hollow cylinder of the taking material assembly is arranged downward. When the drill bit contacts the rare earth metal sample, the hollow cylinder can be driven by the driving motor of the driving assembly to rotate downward, thereby driving the drill bit to take the rare earth metal sample;

[0023] (c) When feeding, the telescopic mechanism is extended, and the shell slides upward as the connecting mechanism is slidably connected to the lower sliding portion. When sliding to the turning portion and entering the upper sliding portion, the turning plate of the connecting mechanism changes direction to be set upward, driving the shell to turn 180 degrees in the vertical direction, thereby causing the hollow cylinder to be set upward, and finally extending to the outside of the U-shaped bracket through the discharge port;

[0024] (d) When collecting materials, the electric telescopic rod of the pushing assembly is started, and finally the rare earth metal samples embedded in the drill bit and the hollow cylinder are pushed out by the push block, and after manual centralized collection, the current batch is grouped and prepared for testing;

[0025] (e) Divide the rare earth metal samples into two groups, A and B, with 20 sample points in each group. Then use a carbon-sulfur analyzer to test the carbon content of individual sample points in groups A and B, calculate the average carbon content of the rare earth metal samples in groups A and B, and combine the values ​​obtained in groups A and B to calculate the average carbon content of the two groups.

[0026] Due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0027] The present invention provides a testing device and a testing method for the carbon content of rare earth metals after electrolysis. The testing device has a simple structure and is easy to use. The steering mechanism, the connecting mechanism, the telescopic mechanism and the material taking mechanism cooperate with each other to facilitate drilling rare earth metal samples for centralized recovery, classification and testing, thereby improving the testing effect and work efficiency of the carbon content of the rare earth metal samples. The testing method implemented by the testing device adopts mechanized operation in the process of material taking, feeding and gathering, thereby reducing the cost of manual output and improving intelligent output, thereby effectively improving the work efficiency as a whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of the present invention;

[0029] Figure 2 The left view of the present invention Figure 1 ;

[0030] Figure 3 The left view of the present invention Figure 2 ;

[0031] Figure 4 is a structural schematic diagram of a steering mechanism;

[0032] Figure 5 for Figure 2 A magnified schematic diagram of point A;

[0033] Figure 6 for Figure 3 An enlarged schematic diagram of point B;

[0034] Figure 7 It is a structural diagram of the material taking mechanism.

[0035] The main component symbols in the figure are explained as follows:

[0036] 1. U-shaped bracket; 11. Discharge port; 2. Steering mechanism; 21. Base plate; 211. Upper slide; 2111. Vertical section; 2112. Inclined section; 212. Steering part; 213. Lower slide; 3. Connecting mechanism; 31. Sliding block; 32. Steering plate; 33. Connecting column; 34. Rotating cylinder; 4. Telescopic mechanism; 5. Retrieving mechanism; 51. Shell; 52. Retrieving assembly; 521. Hollow cylinder; 522. Drill bit; 523. Bearing; 53. Driving assembly; 531. Driving motor; 532. Main gear; 533. Slave gear; 54. Pushing assembly; 541. Electric telescopic rod; 542. Connecting piece; 543. Push rod; 544. Push block; 6. Workbench; 100. Slide. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] In the description of this embodiment, it is necessary to understand that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the creation of the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the creation of the present invention.

[0039] The terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the invention can be understood according to specific circumstances.

[0040] Example

[0041] like Figures 1 to 7 As shown, a device for testing the carbon content of rare earth metals after electrolysis comprises a U-shaped bracket 1, a steering mechanism 2, a connecting mechanism 3, a telescopic mechanism 4, a material taking mechanism 5 and a workbench 6, wherein the steering mechanism 2 is arranged on the inner wall of the U-shaped bracket 1, one end of the connecting mechanism 3 is slidably connected in the steering mechanism 2, and the other end is connected to the material taking mechanism 5, the telescopic mechanism 4 is arranged on the U-shaped bracket 1, and its telescopic end is connected to the connecting mechanism 3, when the telescopic mechanism 4 is extended or contracted, the material taking mechanism 5 slides up and down along the steering mechanism 2, and its directions are opposite, the workbench 6 is arranged below the material taking mechanism 5, and a discharge port 11 is provided at the upper end of the U-shaped bracket 1; the device utilizes the coordinated action of the steering mechanism 2, the connecting mechanism 3, the telescopic mechanism 4 and the material taking mechanism 5 to facilitate drilling rare earth metal samples and centralized recovery, classification and testing, improve the carbon content test effect of rare earth metal samples, reduce the manual output cost and improve the mechanical intelligent output, and effectively improve the work efficiency as a whole.

[0042] In this embodiment, please refer to Figures 1 to 4The steering mechanism 2 includes a base plate 21, on which a slide groove 100 is provided, and the slide groove 100 includes an upper slide portion 211, a steering portion 212 and a lower slide portion 213 which are connected in sequence, and one end of the connecting mechanism 3 is slidably connected in the slide groove 100; specifically, the upper slide portion 211 includes a vertical section 2111 and an inclined section 2112 connected to the lower end of the vertical section 2111, and the inclined section 2112 is inclined toward the steering portion 212 and connected to each other; the lower slide portion 213 has the same structure as the upper slide portion 211 and is symmetrically arranged up and down; in the present invention, the slide groove 100 adopts a unique design, and a sliding channel is formed between the symmetrically arranged lower slide portion 213, the upper slide portion 211 and the steering portion 212, in which the connecting mechanism 3 slides, so as to facilitate the turning of the connecting mechanism 3 during the up and down sliding process, thereby realizing the subsequent drilling and collecting operations of the rare earth metal sample.

[0043] In this embodiment, please refer to Figure 2 and Figure 3 ,as well as Figure 5 and Figure 6 The connecting mechanism 3 includes a slider 31, a steering plate 32, a connecting column 33 and a rotating cylinder 34. The slider 31 and the connecting column 33 are respectively arranged on the front and rear sides of the steering plate 32, and the two are arranged vertically at an interval. The slider 31 is slidably connected in the slide groove 100, and the connecting column 33 is rotatably connected in the rotating cylinder 34, and its end away from the steering plate 32 is connected to the material taking mechanism 5, and the telescopic end of the telescopic mechanism 4 is fixedly connected to the rotating cylinder 34; during specific operation, the telescopic mechanism 4 pushes the steering plate 32 to slide up and down in the slide groove 100 during the telescopic process, and the steering plate 32 is in an upside-down flipping state during the up and down sliding process, so as to finally realize the drilling and collecting operations of the rare earth metal samples by using the material taking mechanism 5.

[0044] See also Figure 7 The material picking mechanism 5 includes a shell 51, a material picking assembly 52, a driving assembly 53 and a pushing assembly 54. The material picking assembly 52, the driving assembly 53 and the pushing assembly 54 are all built in the shell 51, and the driving assembly 53 is rotatably connected to the material picking assembly 52, and the pushing assembly 54 is slidably connected to the material picking assembly 52. ​​In the design, the material picking assembly 52, the driving assembly 53 and the pushing assembly 54 are integrated into the shell 51, which simplifies the structural design and can integrate multiple functions into one. The compact design reduces redundancy and is easy to produce.

[0045] Specifically, the material extraction assembly 52 includes a hollow cylinder 521, a drill bit 522 and a bearing 523. The bearing 523 is arranged at the lower end of the shell 51. The hollow cylinder 521 is rotatably connected to the bearing 523, and its end extends to the outside of the shell 51 and is connected to the drill bit 522. The drill bit 522 adopts a hollow structure to facilitate its use in the drilling operation of rare earth metal samples below.

[0046] The driving assembly 53 includes a driving motor 531, a main gear 532 and a slave gear 533. The driving motor 531 is arranged in the shell 51, and its output end is connected to the main gear 532. The slave gear 533 is arranged on the hollow cylinder 521 and meshed with the main gear 532. During specific operation, the driving motor 531 rotates and drives the hollow cylinder 521 to rotate with the help of the meshing relationship between the main gear 532 and the slave gear 533, so that the rare earth metal sample is drilled by the drill bit 522.

[0047] The pushing assembly 54 includes an electric telescopic rod 541, a connecting piece 542, a push rod 543 and a push block 544. The electric telescopic rod 541 is arranged in the shell 51, and its telescopic end is connected to the push rod 543 through the connecting piece 542. The push rod 543 is slidably arranged in the hollow cylinder 521, and its end is connected to the push block 544; when the telescopic mechanism 4 extends upward, it pushes the shell 51 to move upward, and when the steering plate 32 turns, the shell 51 also flips from bottom to top, so that the drill bit 522 passes through the discharge port 11 upward. At this time, the electric telescopic rod 541 is started, driving the push block 544 to slide in the hollow cylinder 521 and finally push the rare earth metal sample in the drill bit 522 out for centralized collection.

[0048] A method for testing the carbon content of rare earth metals after electrolysis, comprising the following steps:

[0049] (a) placing the electrolyzed rare earth metal samples on a workbench that can be operated intermittently in sequence, and driving the material taking mechanism 5 to drill holes and take materials from the rare earth metal samples by controlling the telescopic mechanism 4;

[0050] (b) When taking materials, the telescopic mechanism 4 is retracted, and the housing 51 slides downward along with the connection mechanism 3 slidingly connected to the lower slide portion 213. At this time, the hollow cylinder 521 of the taking material assembly 52 is arranged downward. When the drill bit 522 contacts the rare earth metal sample, the hollow cylinder 521 can be driven by the driving motor 531 of the driving assembly 53 to rotate downward, thereby driving the drill bit 522 to take the rare earth metal sample;

[0051] (c) When feeding, the telescopic mechanism 4 is extended, and the shell 51 slides upward as the connecting mechanism 3 is slidably connected to the lower sliding portion 213. When sliding to the turning portion 212 and entering the upper sliding portion 211, the turning plate 32 of the connecting mechanism 3 changes direction to be set upward, driving the shell 51 to turn 180 degrees in the vertical direction, thereby causing the hollow cylinder 521 to be set upward, and finally extending to the outside of the U-shaped bracket 1 through the discharge port 11;

[0052] (d) When collecting materials, the electric telescopic rod 541 of the pushing assembly 54 is started, and finally the rare earth metal samples embedded in the drill bit 522 and the hollow cylinder 521 are pushed out by the push block 544, and after manual centralized collection, the current batch is grouped and prepared for testing;

[0053] (e) Divide the rare earth metal samples into two groups, A and B, with 20 sample points in each group. Then use a carbon-sulfur analyzer to test the carbon content of individual sample points in groups A and B, calculate the average carbon content of the rare earth metal samples in groups A and B, and combine the values ​​obtained in groups A and B to calculate the average carbon content of the two groups.

[0054] The present invention provides a testing device and a testing method for the carbon content of rare earth metals after electrolysis. The testing device has a simple structure and is easy to use. By utilizing the coordinated action of a steering mechanism 2, a connecting mechanism 3, a telescopic mechanism 4 and a material taking mechanism 5, it is convenient to drill rare earth metal samples and collect, classify and test them in a centralized manner, thereby improving the testing effect and work efficiency of the carbon content of rare earth metal samples. By utilizing the testing method implemented by the testing device, mechanized operation is adopted in the process of taking, feeding and collecting materials, thereby reducing the cost of manual output and improving intelligent output, thereby effectively improving the work efficiency as a whole.

[0055] The above description is a detailed description of the preferred feasible embodiments of the present invention, but the embodiments are not intended to limit the scope of the patent application of the present invention. All equivalent changes or modified changes completed under the technical spirit suggested by the present invention should fall within the patent scope covered by the present invention.

Claims

1. A device for testing the carbon content of rare earth metals after electrolysis, characterized in that: It comprises a U-shaped bracket (1), a steering mechanism (2), a connecting mechanism (3), a telescopic mechanism (4), a material taking mechanism (5) and a workbench (6). The steering mechanism (2) is arranged on the inner wall of the U-shaped bracket (1); one end of the connecting mechanism (3) is slidably connected in the steering mechanism (2), and the other end is connected to the material taking mechanism (5). The telescopic mechanism (4) is arranged on the U-shaped bracket (1), and its telescopic end is connected to the connecting mechanism (3). When the telescopic mechanism (4) is extended or contracted, the material taking mechanism (5) slides up and down along the steering mechanism (2), and its direction is opposite. The workbench (6) is arranged below the material taking mechanism (5), and a material discharge port (11) is provided at the upper end of the U-shaped bracket (1).

2. A device for testing the carbon content of rare earth metals after electrolysis as claimed in claim 1, characterized in that: The steering mechanism (2) comprises a base plate (21), a slide groove (100) is provided on the base plate (21), the slide groove (100) comprises an upper slide portion (211), a steering portion (212) and a lower slide portion (213) which are connected in sequence, and one end of the connecting mechanism (3) is slidably connected in the slide groove (100).

3. A device for testing the carbon content of rare earth metals after electrolysis as claimed in claim 2, characterized in that: The upper sliding portion (211) comprises a vertical section (2111) and an inclined section (2112) connected to the lower end of the vertical section (2111), and the inclined sections (2112) are inclined toward the turning portion (212) and are connected to each other.

4. A device for testing the carbon content of rare earth metals after electrolysis as claimed in claim 3, characterized in that: The lower sliding portion (213) has the same structure as the upper sliding portion (211) and is symmetrically arranged up and down.

5. A device for testing the carbon content of rare earth metals after electrolysis as claimed in claim 2, characterized in that: The connecting mechanism (3) comprises a slider (31), a steering plate (32), a connecting column (33) and a rotating cylinder (34); the slider (31) and the connecting column (33) are respectively arranged on the front and rear sides of the steering plate (32), and the two are arranged vertically spaced apart; the slider (31) is slidably connected in the slide groove (100); the connecting column (33) is rotatably connected in the rotating cylinder (34), and the end thereof away from the steering plate (32) is connected to the material taking mechanism (5); the telescopic end of the telescopic mechanism (4) is fixedly connected to the rotating cylinder (34).

6. A device for testing the carbon content of rare earth metals after electrolysis as claimed in claim 5, characterized in that: The material picking mechanism (5) comprises a shell (51), a material picking assembly (52), a driving assembly (53) and a material pushing assembly (54); the material picking assembly (52), the driving assembly (53) and the material pushing assembly (54) are all built into the shell (51); the driving assembly (53) is rotatably connected to the material picking assembly (52), and the material pushing assembly (54) is slidably connected to the material picking assembly (52).

7. A device for testing the carbon content of rare earth metals after electrolysis as claimed in claim 6, characterized in that: The material taking assembly (52) comprises a hollow cylinder (521), a drill bit (522) and a bearing (523), wherein the bearing (523) is arranged at the lower end of the shell (51), the hollow cylinder (521) is rotatably connected to the bearing (523), and the end thereof extends to the outside of the shell (51) and is connected to the drill bit (522).

8. A device for testing the carbon content of rare earth metals after electrolysis as claimed in claim 7, characterized in that: The driving assembly (53) comprises a driving motor (531), a main gear (532) and a slave gear (533); the driving motor (531) is arranged in the housing (51), and an output end thereof is connected to the main gear (532); the slave gear (533) is arranged on the hollow cylinder (521) and meshedly connected to the main gear (532).

9. A device for testing carbon content of rare earth metal after electrolysis as claimed in claim 7, characterized in that: The pushing assembly (54) comprises an electric telescopic rod (541), a connecting piece (542), a push rod (543) and a push block (544); the electric telescopic rod (541) is arranged in the shell (51), and its telescopic end is connected to the push rod (543) through the connecting piece (542); the push rod (543) is slidably arranged on the hollow cylinder (521), and its end is connected to the push block (544).

10. A method for testing the carbon content of rare earth metals after electrolysis, using a device for testing the carbon content of rare earth metals after electrolysis as claimed in any one of claims 1 to 9, comprising the following steps: (a) placing the electrolyzed rare earth metal samples on a workbench capable of intermittent operation in sequence, and driving a material taking mechanism (5) to drill holes in the rare earth metal samples and take out the materials by controlling a telescopic mechanism (4); (b) When taking materials, the telescopic mechanism (4) is retracted, and the housing (51) slides downward along with the connection mechanism (3) being slidably connected to the lower slide portion (213). At this time, the hollow cylinder (521) of the taking material assembly (52) is arranged downward. When the drill bit (522) contacts the rare earth metal sample, the hollow cylinder (521) can be driven to rotate downward by the driving motor (531) of the driving assembly (53), thereby driving the drill bit (522) to take the rare earth metal sample; (c) When feeding, the telescopic mechanism (4) is extended, and the housing (51) slides upward as the connecting mechanism (3) is slidably connected to the lower sliding portion (213). When sliding to the turning portion (212) and entering the upper sliding portion (211), the turning plate (32) of the connecting mechanism (3) changes direction to be set upward, driving the housing (51) to turn 180 degrees in the vertical direction, thereby causing the hollow cylinder (521) to be set upward, and finally extending to the outside of the U-shaped bracket (1) through the discharge port (11); (d) When collecting materials, the electric telescopic rod (541) of the material pushing assembly (54) is started, and finally the rare earth metal samples embedded in the drill bit (522) and the hollow cylinder (521) are pushed out through the action of the pushing block (544), and after manual centralized collection, the current batch is grouped and prepared for testing; (e) Divide the rare earth metal samples into two groups, A and B, with 20 sample points in each group. Then use a carbon-sulfur analyzer to test the carbon content of individual sample points in groups A and B, calculate the average carbon content of the rare earth metal samples in groups A and B, and combine the values ​​obtained in groups A and B to calculate the average carbon content of the two groups.

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