Fluorescence spectrometer clamp for detecting rock core

Abstract

The utility model relates to the technical field of fluorescence analyzer detection, and discloses a fluorescence spectrometer clamp for detecting a rock core. The mounting plate is fixedly mounted on the linear module, the linear module is fixedly mounted on the rack, a movable plate is slidably connected to the mounting plate, and a spectrometer is fixedly mounted on the movable plate; the spring seat is connected to the mounting plate, and the top of the spring seat is connected with the movable plate through a second baffle; the monitoring assembly comprises a blocking piece and a sensor, the blocking piece is fixedly connected to one side of the movable plate, the sensor is fixedly installed on the installation plate, and the position of the spectrograph is further determined by transmitting signals through contact between the blocking piece and the sensor. By arranging the linear module and the spring seat, the distance between the spectrograph detection window and the rock core surface can be accurately adjusted, accurate detection can be realized, and the detection window of the spectrograph can be prevented from being damaged.

Description

Technical Field

[0001] This utility model relates to the field of fluorescence analyzer detection technology, and more specifically, to a fluorescence spectrometer fixture for detecting rock cores. Background Technology

[0002] Rock cores are rock samples drilled from strata during geological exploration or engineering. They are typically cylindrical, with a diameter of 50–120 mm and a length of about 1 meter. X-ray fluorescence spectrometry (hereinafter referred to as spectrometer) is used for rapid, non-destructive elemental and chemical analysis of rock cores. While benchtop spectrometers used in laboratories require the preparation of standard samples, handheld spectrometers are commonly used in industry. Box-type spectrometers have also been newly developed on the market. Handheld and box-type spectrometers have essentially the same structure and principle, allowing for direct, non-destructive testing of samples. However, box-type spectrometers are more suitable for automated production lines in terms of installation and control. The spectrometer's detection end has a detection window with a diameter of approximately 20 mm. The detection distance from the window to the sample surface should be less than 2 mm, ideally with direct contact. In traditional manual testing, personnel hold the device to bring the spectrometer into contact with the sample surface. On automated testing lines, box-type spectrometers can only test samples of a defined size to ensure the detection distance meets requirements.

[0003] Due to the complexity of the strata, core samples often contain cracks, fragments, and rough surfaces. The mixture of rock minerals, coal, sand, and gravel makes it difficult to determine the location coordinates of local surfaces. Furthermore, the drilling diameter of the cores varies greatly, which poses challenges to the automated detection of spectrometers. If the window is too far from the core surface, the detection results are invalid; if the window is too close, it is easy to squeeze or collide with the window, causing damage to the equipment.

[0004] Therefore, a fluorescence spectrometer fixture is needed to solve the problem of difficulty in controlling the contact between the spectrometer window and the core surface during automated core testing. Utility Model Content

[0005] The purpose of this invention is to provide a fluorescence spectrometer fixture for detecting rock cores, in order to solve the problems existing in the prior art. By setting a linear module and a spring seat, the distance between the spectrometer detection window and the rock core surface can be precisely adjusted, which can both accurately detect the rock core and avoid damage to the spectrometer detection window.

[0006] To achieve the above objectives, this utility model provides the following solution: This utility model provides a fluorescence spectrometer fixture for core testing, comprising: a frame; a mounting plate, the mounting plate being fixedly mounted on a linear module, the linear module being fixedly mounted on the frame, the fixed end of the linear module being connected to the frame, the movable end of the linear module being fixedly connected to the mounting plate, a movable plate being slidably connected to the mounting plate, and a spectrometer being fixedly mounted on the movable plate; a spring seat, the spring seat being connected to the mounting plate, the top of the spring seat being connected to the movable plate via a second baffle; and a monitoring component, the monitoring component comprising a baffle and a sensor, the baffle being fixedly connected to one side of the movable plate, the sensor being fixedly mounted on the mounting plate, and the baffle contacting the sensor to transmit signals to further determine the position of the spectrometer.

[0007] According to the present invention, a fluorescence spectrometer fixture for detecting rock cores is provided, wherein two slide rails are provided on the mounting plate, two sliders are slidably mounted on each slide rail, a movable plate is fixedly connected to the sliders, and a spring seat is located between the two slide rails.

[0008] According to the present invention, a fluorescence spectrometer fixture for detecting rock cores is provided, wherein the spring seat includes a spring and a guide post, the spring is sleeved on the guide post, and a first baffle is fixedly connected to both the upper and lower ends of the guide post, and the two ends of the spring are respectively fixedly connected to the first baffle.

[0009] According to the present invention, a fluorescence spectrometer fixture for detecting rock cores is provided, wherein a second baffle is provided above the first baffle, and the movable plate is fixedly connected to the second baffle.

[0010] According to the present invention, a fluorescence spectrometer fixture for detecting rock cores is provided, wherein the baffle includes a first baffle and a second baffle, both of which are fixedly installed on one side of the movable plate, with the first baffle located above the second baffle.

[0011] According to the present invention, a fluorescence spectrometer fixture for detecting rock cores is provided. The sensor includes a limiting sensor and a contact sensor. Both the limiting sensor and the contact sensor are fixedly mounted on the mounting plate. The limiting sensor is located above the contact sensor. The position of the first baffle corresponds to the position of the limiting sensor, and the position of the second baffle corresponds to the position of the contact sensor.

[0012] According to the present invention, a fluorescence spectrometer fixture for detecting rock cores is provided, wherein a base is fixedly connected to the frame, and the linear module is fixedly installed on the base.

[0013] According to the present invention, a fluorescence spectrometer fixture for detecting rock cores is provided, wherein a camera is mounted on the base.

[0014] The present invention discloses the following technical effects:

[0015] This invention, by setting up baffles and sensors, can precisely control the contact distance between the spectrometer detection window and the core surface, ensuring detection accuracy. When the spectrometer approaches the core surface, the sensor can promptly detect and control the linear module to stop descending, keeping the detection window within a suitable detection distance range from the core surface. This avoids invalid detection results due to improper distance. At the same time, it can prevent excessive contact between the spectrometer and the core, effectively avoiding equipment damage, improving the reliability and stability of the fixture, and reducing equipment maintenance costs.

[0016] This invention can adapt to complex situations such as rough core surfaces, irregular shapes, and large diameter spans. The spring seat design allows the spectrometer to automatically adjust its position according to the undulations of the core surface when it contacts the core, avoiding damage to the detection window caused by the unevenness of the core surface and expanding the applicability of the fixture. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a front view of the entire utility model;

[0020] Figure 3 This is a schematic diagram of the spring seat installation structure in this utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the spring seat in this utility model;

[0022] Figure 5 This is a schematic diagram of the camera and linear module in this utility model;

[0023] Figure 6 This is a cross-sectional view of the internal structure of the spring seat in this utility model;

[0024] Figure 7 This is a schematic diagram of the structure of the back of the spring seat in this utility model;

[0025] Figure 8 This is a schematic diagram of the spectrometer in this utility model;

[0026] The components include: 1. Frame; 2. Base; 3. Mounting plate; 4. Movable plate; 5. Spectrometer; 6. Detection window; 7. Camera; 8. Linear module; 9. Slide rail; 10. Slider; 11. Spring seat; 1101. Spring; 1102. Guide post; 12. Core; 13. First baffle; 14. Second baffle; 15. First baffle plate; 16. Second baffle plate; 17. Limit sensor; 18. Contact sensor. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] like Figures 1-8 As shown, this utility model provides a fluorescence spectrometer fixture for core testing, comprising: a frame 1; a mounting plate 3, the mounting plate 3 being fixedly mounted on a linear module 8, the linear module 8 being fixedly mounted on the frame 1, the fixed end of the linear module 8 being connected to the frame 1, the movable end of the linear module 8 being fixedly connected to the mounting plate 3, a movable plate 4 being slidably connected to the mounting plate 3, and a spectrometer 5 being fixedly mounted on the movable plate 4; a spring seat 11, the spring seat 11 being connected to the mounting plate 3, the top of the spring seat 11 being connected to the movable plate 4 via a second baffle 14; and a monitoring component, the monitoring component including a baffle plate and a sensor, the baffle plate being fixedly connected to one side of the movable plate 4, and the sensor being fixedly mounted on the mounting plate 3, the baffle plate and the sensor transmitting signals to further determine the position of the spectrometer 5.

[0030] The frame 1 is made of high-strength alloy material, possessing excellent rigidity and stability, capable of bearing the weight of the entire fixture and spectrometer 5, and maintaining positional stability during automated testing. A base 2 is fixedly mounted on the frame 1, and the frame 1 and base 2 are connected by bolts. A linear module 8 is fixedly mounted on the base 2 by bolts. The linear module 8 is a high-precision ball screw linear module, with a repeatability accuracy of ±0.01mm, capable of precisely controlling the up-and-down movement of the mounting plate 3. The stroke of the linear module 8 is set according to the diameter range of the core 12 to meet the testing requirements of cores 12 of different diameters. The linear module 8 is fixedly mounted on the side of the frame 1 by bolts, and its installation position is precisely calibrated to ensure that its direction of movement is consistent with the vertical direction.

[0031] The fixed end of the linear module 8 includes a base and a motor mounting base. The base is made of HT300 cast iron with a T-slot structure machined on the bottom surface. It is fixed to the base 2 by four sets of M10×60 high-strength bolts (performance grade 10.9). The upper surface of the base 2 is provided with a mounting platform that matches the base of the linear module 8. Guide grooves are machined on both sides of the mounting platform, which cooperate with the guide protrusions on the bottom surface of the base (fitting clearance ≤0.02mm) to achieve precise positioning. The moving end of the linear module 8 is fixedly connected to a mounting plate 3. The moving end of the linear module 8 is a slider assembly, and the slider of the linear module 8 is fixed to the mounting plate 3 by four sets of M8×40 socket head cap bolts.

[0032] The mounting plate 3 has two rectangular slide rails 9, each with two sliders 10 mounted on it. The surface of each slider 10 is coated with a solid lubricant, allowing for long-term operation without lubrication. The movable plate 4 is fixedly connected to the four sliders 10 by bolts. The bolt tightening torque is set according to specifications to prevent deformation of the sliders 10 due to excessive tightening force. By using the two slide rails 9 and four sliders 10, the movable plate 4 can slide smoothly on the mounting plate 3, ensuring the stability of the spectrometer 5 during movement.

[0033] A spring seat 11 is provided between the two slide rails 9. The spring seat 11 is fixedly connected to the mounting plate 3. The spring seat 11 includes a spring 1101 and a guide post 1102. The spring 1101 is sleeved on the guide post 1102. First baffles 13 are fixedly connected to both ends of the guide post 1102. The two ends of the spring 1101 are respectively fixedly connected to the upper and lower first baffles 13. A second baffle 14 is provided on the first baffle 13. The second baffle 14 is located above the entire spring seat 11 and is fixedly connected to the movable plate 4 by bolts. The spring seat 11 plays a role in buffering and supporting. When the spectrometer 5 comes into contact with the core 12, the spring 1101 can compress or extend according to the magnitude of the contact force to prevent the spectrometer 5 from being subjected to excessive impact force. At the same time, the guide post 1102 and the first baffle 13 ensure the stability and guidance of the spring 1101 during operation.

[0034] A spectrometer 5 is fixedly mounted on one side of the movable plate 4, and the other side is fixedly connected to four sliders 10 and a second baffle 14. The elastic force of the spring 1101 is less than the weight of the movable plate 4 and the spectrometer 5. Therefore, under normal conditions, the weight of the movable plate 4 and the spectrometer 5 will compress the spring 1101. The movable plate 4 drives the second baffle 14 to move downward, and the second baffle 14 compresses the first baffle 13, causing the spring 1101 to be compressed. At the same time, the sliders 10 move downward along the slide rail 9. When the spectrometer 5 contacts the core 12, the spectrometer 5 is subjected to an upward force. At this time, the movable plate 4 and the second baffle 14 move upward, the downward force on the first baffle 13 is removed, the spring 1101 extends, and the sliders 10 move upward along the slide rail 9. At this time, the weight of the spectrometer 5 is still supported by the spring 1101, ensuring that the contact pressure between the detection window 6 below the spectrometer 5 and the core 12 is only a small amount, which can ensure accurate detection and prevent damage to the detection window 6.

[0035] The monitoring components include a baffle and a sensor. The baffle and the sensor transmit signals to determine the contact distance between the spectrometer 5 and the surface of the core 12, and then adjust the linear module 8 accordingly.

[0036] The baffles include a first baffle 15 and a second baffle 16, both of which are L-shaped. Both baffles 15 and 16 are bolted to one side of the movable plate 4, with the first baffle 15 positioned above the second baffle 16. The sensors include a limit sensor 17 and a contact sensor 18. Both limit sensors 17 and 18 are non-contact photoelectric sensors, offering fast response and high accuracy, capable of emitting signals within 0.1ms. Limit sensors 17 and 18 are bolted to the mounting plate 3, with the limit sensor 17 positioned above the contact sensor 18, ensuring accurate engagement between the first baffle 15 and the limit sensor 17, and between the second baffle 16 and the contact sensor 18. The sensors are connected to the controller of the linear module 8 via shielded wires to prevent electromagnetic interference and ensure stable signal transmission.

[0037] Under normal conditions, the movable plate 4 and the spectrometer 5 compress the spring 1101, and the second baffle 16 contacts the contact sensor 18. When the core 12 contacts the detection window 6 below the spectrometer 5, it provides an upward supporting force to the spectrometer 5, causing the spring 1101 to extend. At this time, the second baffle 16 disengages from the contact sensor 18, the linear module 8 stops and ceases to descend, and the spectrometer 5 begins detection. To prevent the linear module 8 slider 10 from continuously descending due to a malfunction of the contact sensor 18, the baffle and the limit sensor 17 serve as secondary protection. If the baffle triggers the limit sensor 17, the system immediately stops and an alarm sounds. The configuration of the first baffle 15, the second baffle 16, the limit sensor 17, and the contact sensor 18 enables precise control of the spectrometer 5's position and provides dual protection.

[0038] A camera 7 is mounted on base 2. Camera 7 is an industrial CCD camera with a resolution of at least 2 megapixels and a frame rate of at least 30fps, capable of clearly capturing surface images of core 12. Camera 7 uses a fixed-focus lens, with the focal length selected according to the shooting distance to ensure the complete inspection area of ​​core 12 is captured. The position of camera 7 corresponds to the axial position of the core 12 surface. Camera 7 is connected to the image processing system via a data cable, transmitting the captured images to the system for processing and analysis, providing accurate positional information for the spectrometer 5's detection.

[0039] Working Process: The core sample 12 to be tested is placed on the automated testing line. The core sample 12 moves along the axis below the spectrometer 5 via a conveyor belt or linear motion mechanism. At this time, the vision camera 7 scans and forms a navigation image. Based on the position information of the core sample 12, the linear module 8 is controlled to move the mounting plate 3 and the spectrometer 5 to a suitable starting position, so that the detection window 6 of the spectrometer 5 is roughly aligned with the detection area of ​​the core sample 12. The linear module 8 is started, and the spectrometer 5 moves slowly downward. When the window of the spectrometer 5 contacts the surface of the core sample 12, the spectrometer 5 is subjected to an upward force from the core sample 12, which moves the guide rail slider 10 upward. At this time, the baffle disengages from the contact sensor 18, the linear module 8 stops, and the spectrometer 5 starts to perform the test. At this time, the main weight of the spectrometer 5 is still supported by the spring 1101, and there is only a small contact pressure at the contact point between the window and the core sample 12. During the testing process, the spring 1101 of the spring seat 11 compresses or extends according to the slight undulations on the surface of the core 12, ensuring that the detection window 6 of the spectrometer 5 maintains good contact with the surface of the core 12 at all times, while avoiding excessive impact on the detection window 6. After the test is completed, the slider 10 of the linear module 8 moves upward again, and the weight of the spectrometer 5 is transferred to the spring 1101. The spring 1101 compresses and drives the movable plate 4 downward until the baffle triggers the contact sensor 18, indicating that the spectrometer 5 has completely detached from the surface of the core 12. The slider 10 of the linear module 8 rises further to the initial height, at which point the core 12 moves another specified distance, ready to test other areas of the surface.

[0040] The fixture can be used not only in spectrometer 5 equipment, but also in all sample surface detection processes where pressure is required between the instrument and the sample surface.

[0041] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0042] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A fluorescence spectrometer fixture for detecting rock cores, characterized in that, include: Rack (1); Mounting plate (3), the mounting plate (3) is fixedly mounted on the linear module (8), the linear module (8) is fixedly mounted on the frame (1), the fixed end of the linear module (8) is connected to the frame (1), the moving end of the linear module (8) is fixedly connected to the mounting plate (3), a movable plate (4) is slidably connected on the mounting plate (3), and a spectrometer (5) is fixedly mounted on the movable plate (4); A spring seat (11) is connected to the mounting plate (3), and the top of the spring seat (11) is connected to the movable plate (4) through a second baffle (14). The monitoring component includes a baffle and a sensor. The baffle is fixedly connected to one side of the movable plate (4), and the sensor is fixedly installed on the mounting plate (3). The position of the spectrometer (5) is further determined by transmitting signals through the contact between the baffle and the sensor.

2. The fluorescence spectrometer fixture for core testing according to claim 1, characterized in that: The mounting plate (3) has two slide rails (9), and two sliders (10) are slidably mounted on each slide rail (9). The movable plate (4) is fixedly connected to the sliders (10), and the spring seat (11) is located between the two slide rails (9).

3. The fluorescence spectrometer fixture for core testing according to claim 2, characterized in that: The spring seat (11) includes a spring (1101) and a guide post (1102). The spring (1101) is sleeved on the guide post (1102). The guide post (1102) has a first baffle (13) fixedly connected to both its upper and lower ends. The two ends of the spring (1101) are respectively fixedly connected to the first baffle (13).

4. The fluorescence spectrometer fixture for core testing according to claim 3, characterized in that: A second baffle (14) is provided above the first baffle (13), and the movable plate (4) is fixedly connected to the second baffle (14).

5. The fluorescence spectrometer fixture for core testing according to claim 1, characterized in that: The baffle includes a first baffle (15) and a second baffle (16), both of which are fixedly installed on one side of the movable plate (4), with the first baffle (15) located above the second baffle (16).

6. The fluorescence spectrometer fixture for core testing according to claim 5, characterized in that: The sensor includes a limit sensor (17) and a contact sensor (18). The limit sensor (17) and the contact sensor (18) are both fixedly mounted on the mounting plate (3). The limit sensor (17) is located above the contact sensor (18). The position of the first baffle (15) corresponds to the position of the limit sensor (17), and the position of the second baffle (16) corresponds to the position of the contact sensor (18).

7. The fluorescence spectrometer fixture for core testing according to claim 1, characterized in that: A base (2) is fixedly connected to the frame (1), and the linear module (8) is fixedly installed on the base (2).

8. The fluorescence spectrometer fixture for core testing according to claim 7, characterized in that: A camera (7) is mounted on the base (2).

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