X-ray fluorescence analysis equipment

Abstract

The utility model discloses X-ray fluorescence analysis equipment. When the equipment works, the moving mechanism drives the working module to move, that is, the moving mechanism can drive the sample grabber and the pressing structure to move between the sample mounting rack and the analyzer, the pressing structure presses an unlocking key of the analyzer by utilizing the moving process of the moving mechanism, and then the analyzer opens a cover body; then the moving mechanism takes out the sample in the analyzer through the sample grabber and puts a new sample into the analyzer, and then the cover body is closed for analysis work; on the basis that the moving mechanism moves the sample grabber to the designated position to replace the sample, the pressing structure presses the unlocking key through the moving action of the moving mechanism, an additional pressing driver is not needed to drive the pressing structure to act, the equipment structure is simplified, and the production cost is reduced.

Description

Technical Field

[0001] This utility model relates to analytical equipment, and more particularly to an X-ray fluorescence analysis device. Background Technology

[0002] Some existing X-ray fluorescence analysis devices include a base, analyzer, transfer assembly, pressing assembly, and control module. The analyzer includes a base, cover, opening / closing drive mechanism, and locking mechanism. The opening / closing drive mechanism drives the cover to rotate relative to the base to open and close. The locking mechanism locks the cover in the closed position and has an unlock button. When the unlock button is pressed, the cover is unlocked and allowed to rotate open to insert or remove the sample. The transfer assembly includes a moving mechanism and a sample gripper. The pressing assembly includes a pressing structure and a pressing actuator.

[0003] When the equipment continuously tests samples, the control module controls the press-operated actuator to press the unlock button via the press structure, thus unlocking the cover mechanism. The opening and closing drive mechanism then opens the cover. The control module then controls the moving mechanism to move the sample gripper to remove the tested sample and place the sample to be tested. Subsequently, the opening and closing drive mechanism closes the cover, and the locking mechanism re-locks the cover when it closes. Current X-ray fluorescence analysis equipment has a relatively complex structure and high production costs. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes an X-ray fluorescence analysis device that simplifies the device structure and reduces production costs.

[0005] An X-ray fluorescence analysis device according to an embodiment of the present invention includes a base, an analyzer, a transfer assembly, and a control module. The base is provided with a sample holder; the analyzer is disposed on the base and includes a base, a cover, an opening / closing drive mechanism, and a locking mechanism. One end of the cover is rotatably disposed on the base and can rotate to an open or closed position. The opening / closing drive mechanism drives the cover to rotate. The locking mechanism is disposed between the base and the cover and is used to unlock or lock the cover. The locking mechanism is provided with an unlock button. The transfer assembly is disposed on the base and includes a moving mechanism and a working module. The moving mechanism can drive the working module to move between the sample holder and the analyzer. The working module is provided with a sample gripper and a pressing structure. The pressing structure is used to press the unlock button. The control module is disposed on the base and electrically connected to the analyzer and the transfer assembly.

[0006] The X-ray fluorescence analysis device according to the embodiments of this utility model has at least the following beneficial effects: When the device is working, the moving mechanism drives the working module to move, that is, the moving mechanism can drive the sample gripper and the pressing structure to move between the sample mounting rack and the analyzer. The pressing structure uses the moving mechanism to press the unlock button of the analyzer during the movement process. Then the analyzer opens the cover, and the moving mechanism uses the sample gripper to take out the sample in the analyzer and put the new sample into the analyzer. Then the cover closes and the analysis is carried out. Based on the moving mechanism moving the sample gripper to the designated position to replace the sample, the moving action of the moving mechanism is used to make the pressing structure press the unlock button, eliminating the need for an additional pressing driver to drive the pressing structure to move, simplifying the device structure and reducing production costs.

[0007] According to some embodiments of the present invention, the working module further includes a clamp seat, which is rotatably mounted on the moving mechanism. Two sample grippers are provided, both of which are connected to the clamp seat. The distance between the two sample grippers and the rotation axis of the clamp seat is the same. The pressing structure is connected to the outside of the clamp seat. The moving mechanism is provided with a rotation driver, which is used to drive the clamp seat to rotate relative to the moving mechanism.

[0008] According to some embodiments of the present invention, the clamp base is strip-shaped, and the two sample grippers are respectively located at both ends of the clamp base.

[0009] According to some embodiments of the present invention, the pressing structure is provided with a magnetic attraction part, the unlocking button is provided with a magnetic attraction engagement part, and the magnetic attraction part can magnetically engage with the magnetic attraction engagement part.

[0010] According to some embodiments of the present invention, the pressing structure includes a connecting rod and an elastic block. The elastic block is connected to one end of the connecting rod, and the other end of the connecting rod is connected to the middle of the clamp seat. The connecting rod and the rotation axis of the clamp seat are perpendicular to each other.

[0011] According to some embodiments of this utility model, the moving mechanism is a multi-axis robotic arm, one end of which is connected to the base, and the other end of which is connected to the working module.

[0012] According to some embodiments of the present invention, the opening and closing drive mechanism includes a telescopic driver, one end of which is rotatably disposed on the base and its rotation axis is parallel to the rotation axis of the cover relative to the base, and the other end of which is rotatably disposed on the cover and its rotation axis is parallel to the rotation axis of the cover relative to the base.

[0013] According to some embodiments of the present invention, the opening and closing drive mechanism further includes an adjustment frame and a locking structure. The adjustment frame is movably disposed on the cover and can be close to or away from the rotation axis of the cover relative to the base. The locking structure can lock or unlock the position of the adjustment frame relative to the cover. The other end of the telescopic drive is rotatably connected to the adjustment frame.

[0014] According to some embodiments of the present invention, the base is provided with a cover opening detection sensor, which is electrically connected to the control module and is used to detect the position of the cover.

[0015] According to some embodiments of this utility model, the analyzer is provided in two sets, and the two sets of analyzers are respectively located on the front and rear sides of the transfer assembly. Each set of analyzers includes two analyzers. The two analyzers in the same set are respectively located on the left and right sides of the transfer assembly. The unlocking buttons of the two analyzers in the same set are opposite to each other, and the sample placement rack is provided between the two analyzers in the same set.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0018] Figure 1 This is a three-dimensional schematic diagram of the X-ray fluorescence analysis device according to an embodiment of the present invention;

[0019] Figure 2 This is a perspective view of the material transfer assembly according to an embodiment of the present utility model;

[0020] Figure 3 This is an embodiment of the present utility model. Figure 1 A magnified view of a portion of point A.

[0021] Figure label:

[0022] Base 100, sample rack 110, cover opening detection sensor 120;

[0023] Analyzer 200, base 210, cover 220, guide rod 221, opening and closing drive mechanism 230, telescopic driver 231, adjustment frame 232, locking structure 233, unlock button 240;

[0024] Material transfer assembly 300, moving mechanism 310, working module 320, sample gripper 321, pressing structure 322, connecting rod 3221, elastic block 3222, fixture seat 323. Detailed Implementation

[0025] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0026] In the description of this utility model, it should be understood that the orientation descriptions, such as up, down, etc., are based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, 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.

[0027] In the description of this utility model, "multiple" refers to two or more. The use of "first" and "second" is for distinguishing technical features only and should not be construed as indicating or implying relative importance, or implicitly indicating the number of technical features or their sequential relationship.

[0028] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0029] Some existing X-ray fluorescence analysis devices include a base 100 and an analyzer 200. In use, the user manually presses the unlock button 240 of the analyzer 200, which in turn opens the cover 220 of the analyzer 200. The user can then manually remove the completed sample and insert a new one. The opening and closing mechanism 230 then closes the cover 220 of the analyzer 200 for sample analysis. Upon closing, the locking mechanism relocks the cover 220. This type of X-ray fluorescence analysis equipment requires manual operation, resulting in low automation and production efficiency.

[0030] Reference Figures 1 to 3This invention relates to an X-ray fluorescence analysis device, comprising a base 100, an analyzer 200, a transfer assembly 300, and a control module. The base 100 is provided with a sample holder 110. The analyzer 200 is disposed on the base 100 and includes a base 210, a cover 220, an opening / closing drive mechanism 230, and a locking mechanism. One end of the cover 220 is rotatably disposed on the base 210 and can rotate to an open or closed position. The opening / closing drive mechanism 230 drives the cover 220 to rotate. The locking mechanism is disposed between the base 210 and the cover 220 and is used to unlock or lock the cover 220. The locking mechanism includes a release mechanism. Lock button 240; Transfer assembly 300 is disposed on base 100, transfer assembly 300 includes moving mechanism 310 and working module 320, moving mechanism 310 can drive working module 320 to move between sample rack 110 and analyzer 200, working module 320 is provided with sample gripper 321 and pressing structure 322, pressing structure 322 is used to press unlock button 240; control module is disposed on base 100 and electrically connected to analyzer 200 and transfer assembly 300.

[0031] When the equipment is working, the moving mechanism 310 drives the working module 320 to move. That is, the moving mechanism 310 can drive the sample gripper 321 and the pressing structure 322 to move between the sample mounting rack and the analyzer 200. The pressing structure 322 uses the movement of the moving mechanism 310 to press the unlock button 240 of the analyzer 200. Then the analyzer 200 opens the cover 220. After that, the moving mechanism 310 uses the sample gripper 321 to take out the sample in the analyzer 200 and put the new sample into the analyzer 200. Then the cover 220 closes to start the analysis. Based on the moving mechanism 310 moving the sample gripper 321 to the designated position to replace the sample, the movement of the moving mechanism 310 causes the pressing structure 322 to press the unlock button 240. No additional pressing driver is needed to drive the pressing structure 322 to move, which simplifies the equipment structure and reduces production costs.

[0032] In this embodiment, the working module 320 further includes a fixture base 323, which is rotatably mounted on the moving mechanism 310. Two sample grippers 321 are provided, both of which are connected to the fixture base 323. The two sample grippers 321 are equidistant from the rotation axis of the fixture base 323. A pressing structure 322 is connected to the outside of the fixture base 323. The moving mechanism 310 is provided with a rotation driver, which is used to drive the fixture base 323 to rotate relative to the moving mechanism 310. During production, the moving mechanism 310 moves the fixture seat 323 to the sample rack 110, and the first sample gripper 321 grips the sample to be analyzed. Then, the moving mechanism 310 moves the fixture seat 323 to the vicinity of the analyzer 200. During the movement, the pressing structure 322 presses the unlock button 240, causing the analyzer 200 to open its cover 220. The moving mechanism 310 continues to move the fixture seat 323 into the analyzer 200, and the second sample gripper 321 grips the analyzed sample. The rotating driver drives the fixture seat 323 to rotate, so that the first sample gripper 321 is aligned with the predetermined position of the analyzer 200 and the sample to be analyzed is placed in it. Then, the moving mechanism 310 moves the fixture seat 323 out of the analyzer 200 and moves the analyzed sample back to the sample rack 110. During this process, the analyzer 200 drives the cover 220 to close through the opening and closing drive mechanism 230, and the locking mechanism locks the cover 220 again. Then, the sample is analyzed. Specifically, the rotary actuator can be an electric motor or a rotary cylinder.

[0033] The aforementioned working module 320, through a fixture base 323 driving the rotation of two sample grippers 321, enables rapid replacement of old and new samples. The moving mechanism 310 completes the removal of the old sample and the insertion of the new sample in one cycle. Furthermore, the rotation axes of the two sample grippers 321 and the fixture base 323 are the same, ensuring that the old and new samples are placed in essentially the same position within the analyzer 200, thereby improving the accuracy of sample analysis.

[0034] The pressing structure 322 is connected to the outside of the clamp seat 323, and the position of the pressing structure 322 can be adjusted by rotating the driver to align with the unlock button 240 of the analyzer 200.

[0035] Specifically, the sample gripper 321 is a finger cylinder that grips the sample by clamping. It is conceivable that in some embodiments, the sample gripper 321 could also be a suction cup or an electric gripper.

[0036] In this embodiment, the fixture base 323 is strip-shaped, and two sample grippers 321 are located at both ends of the fixture base 323. By setting the fixture base 323 to be strip-shaped, the weight and material consumption of the fixture base 323 can be minimized, and the load on the moving mechanism 310 can be reduced. Since the two sample grippers 321 are located at both ends of the strip-shaped fixture base 323, the length of the fixture base 323 can be maximized to provide sufficient space for the two sample grippers 321 to grip or release the samples.

[0037] In this embodiment, the pressing structure 322 is provided with a magnetic attraction part, and the unlocking button 240 is provided with a magnetic engagement part. The magnetic attraction part can magnetically engage with the magnetic engagement part. Because the unlocking button 240 is frequently pressed and then pops up, after prolonged use, the unlocking button 240 may occasionally become stuck and fail to pop up, causing the locking mechanism to malfunction. Therefore, by providing a magnetic attraction part in the pressing structure 322 and a magnetic engagement part in the unlocking button 240, the magnetic engagement allows the pressing structure 322 to apply a certain pulling force to the unlocking button 240 when it moves away from the unlocking button 240, causing the unlocking button 240 to reset and pop up. Subsequently, the pressing structure 322 separates from the unlocking button 240, thereby reducing the risk of the unlocking button 240 failing to pop up after being pressed and improving the stability of the locking mechanism.

[0038] Specifically, the magnetic attraction part can be a magnet block located inside the pressing structure 322, and the magnetic engagement part can be an iron block located inside the unlock button 240, so that the two can generate a certain magnetic attraction force. Alternatively, the magnetic attraction part can also be an iron block, and the corresponding magnetic engagement part can be a magnet block, etc.

[0039] Specifically, the unlock button 240 is located on the base 210 of the analyzer 200. The locking mechanism is a commercially available structure, also used in flip-top rice cookers. For example, the locking mechanism could have a locking block on the lid 220 and a spring-loaded hook on the base 210. When the lid 220 is closed, the spring-loaded hook engages with the locking block, locking the lid 220 in place. The unlock button 240 is connected to the spring-loaded hook; pressing the unlock button 240 causes the spring-loaded hook to disengage from the locking block, allowing the lid 220 to open.

[0040] In this embodiment, the pressing structure 322 includes a connecting rod 3221 and an elastic block 3222. The elastic block 3222 is connected to one end of the connecting rod 3221, and the other end of the connecting rod 3221 is connected to the middle of the clamp seat 323. The connecting rod 3221 and the rotation axis of the clamp seat 323 are perpendicular to each other. The pressing structure 322, through the connecting rod 3221, allows the elastic block 3222 to press the unlock button 240, reducing the risk of the clamp seat 323 colliding with the analyzer 200 due to being too close to it. Furthermore, the elastic block 3222 can reduce the risk of impact damage to the unlock button 240. Specifically, the connecting rod 3221 is perpendicular to the clamp seat 323. Specifically, a magnet can be disposed inside the elastic block 3222.

[0041] Specifically, the elastic block 3222 is spherical and can be made of, for example, elastic plastic.

[0042] In other embodiments, the pressing structure 322 may also be connected to one end of the clamp seat 323, that is, the other end of the connecting rod 3221 is connected to the end of the clamp seat 323. Those skilled in the art can make specific choices according to actual needs.

[0043] It is conceivable that in some other embodiments, the pressing structure 322 may also be a pressing rod, which directly presses the unlock button 240 through one end of the rod.

[0044] In this embodiment, the moving mechanism 310 is a multi-axis robotic arm, with one end connected to the base 100 and the other end connected to the working module 320. The multi-axis robotic arm drives the working module 320 to move, allowing for highly flexible movement of the working module 320. This facilitates sample handling via pressing the unlock button 240 using the pressing structure 322 and by using the sample gripper 321.

[0045] It is conceivable that in other embodiments, the moving mechanism 310 can also be other structures, such as a three-axis slide table, wherein the first slide table is slidably connected to the base 100 in the front-back direction and is driven to move by the first electric cylinder, the second slide table is slidably connected to the first slide table in the left-right direction and is driven to move by the second electric cylinder, and the third slide table is slidably connected to the second slide table in the up-down direction and is driven to move by the third electric cylinder. In this case, the working module 320 is connected to the third slide table, which can also realize three-dimensional movement, so as to pick up and put down samples by pressing the unlock button 240 by pressing the pressing structure 322 and by picking up and putting down samples by the sample gripper 321.

[0046] In this embodiment, the opening and closing drive mechanism 230 includes a telescopic actuator 231. One end of the telescopic actuator 231 is rotatably mounted on the base 210, and its rotation axis is parallel to the rotation axis of the cover 220 relative to the base 210. The other end of the telescopic actuator 231 is rotatably mounted on the cover 220, and its rotation axis is parallel to the rotation axis of the cover 220 relative to the base 210. The telescopic actuator 231 drives the cover 220 of the analyzer 200 to rotate and open and close, resulting in a simple structure that is easy to implement.

[0047] Specifically, the telescopic actuator 231 can adopt a linear telescopic structure such as a pneumatic cylinder, hydraulic cylinder, or electric cylinder.

[0048] It is conceivable that in some other embodiments, the opening and closing drive structure can also drive the cover 220 to rotate and open and close by means of a geared motor.

[0049] In this embodiment, the opening and closing drive mechanism 230 further includes an adjustment frame 232 and a locking structure 233. The adjustment frame 232 is movably disposed on the cover 220 and can be close to or away from the rotation axis of the cover 220 relative to the base 210. The locking structure 233 can lock or unlock the position of the adjustment frame 232 relative to the cover 220. The other end of the telescopic drive 231 is rotatably connected to the adjustment frame 232.

[0050] When the adjusting frame 232 is far from the rotation axis of the cover 220 relative to the base 210, the opening angle of the cover 220 is smaller when the telescopic actuator 231 extends; when the adjusting frame 232 is close to the rotation axis of the cover 220 relative to the base 210, the opening angle of the cover 220 is larger when the telescopic actuator 231 extends. Therefore, maintenance personnel can reasonably adjust the distance between the adjusting frame 232 and the rotation axis of the cover 220 relative to the base 210 according to the space required for the transfer assembly 300 to take out or put in samples, and lock the position of the adjusting frame 232 by the locking structure 233, so that the opening angle of the cover 220 of the analyzer 200 is moderate, avoiding collision between the transfer assembly 300 and the analyzer 200, and reasonably increasing the opening and closing speed of the cover 220 of the analyzer 200, so that the analyzer 200 can be used with transfer assemblies 300 of different specifications, improving the interchangeability of equipment parts.

[0051] Specifically, the cover 220 is provided with a guide rod 221, which extends along a direction away from the rotation axis of the cover 220 relative to the base 210. The guide rod 221 has a threaded section and passes through the adjusting frame 232. The locking structure 233 includes a pair of nuts, both of which are threaded to the same guide rod 221. When both nuts are tightened and fitted against the adjusting frame 232, the position of the adjusting frame 232 relative to the cover 220 is locked and fixed. When the nuts are loosened, the adjusting frame 232 is allowed to move closer to or away from the rotation axis of the cover 220 relative to the base 210 along the guide rod 221.

[0052] Specifically, the cover 220 is provided with two guide rods 221, and the corresponding locking structure 233 has two pairs of nuts.

[0053] It is conceivable that the adjusting frame 232 can also be slidably connected to the cover 220 through a dovetail groove structure. The locking structure 233 includes a first pin hole, a second pin hole, and a pin. The first pin hole is provided in the cover 220 and multiple first pin holes are arranged along the rotation axis away from the cover 220 relative to the base 210. The second pin hole is provided in the adjusting frame 232. The pin can be inserted into the second pin hole and any of the first pin holes to allow the adjusting frame 232 to adjust its position.

[0054] In this embodiment, the base 100 is equipped with a cover opening detection sensor 120, which is electrically connected to the control module. The cover opening detection sensor 120 is used to detect the position of the cover 220. By setting the cover opening detection sensor 120, the control module only drives the transfer assembly 300 into the analyzer 200 after detecting that the cover 220 is fully open, thus avoiding collisions between the transfer assembly 300 and the analyzer 200 and improving production safety.

[0055] Specifically, the cover opening detection sensor 120 can be, for example, a photoelectric sensor or an infrared sensor, etc., without limitation. Those skilled in the art can choose according to actual needs.

[0056] In this embodiment, two sets of analyzers 200 are provided, located on the front and rear sides of the transfer assembly 300, respectively. Each set of analyzers 200 includes two analyzers 200, with the two analyzers 200 in the same set located on the left and right sides of the transfer assembly 300, respectively. The unlocking buttons 240 of the two analyzers 200 in the same set face each other, and a sample holder 110 is provided between the two analyzers 200 in the same set. Each transfer assembly 300 can correspond to four analyzers 200, improving the utilization rate of the transfer assembly 300 and reducing the waiting time of the transfer assembly 300. Furthermore, the sample holder 110 is provided between the two analyzers 200 in the same set, eliminating the need to provide sample holders 110 between all analyzers 200, reducing the number of sample holders 110 and saving equipment costs. Since the unlocking buttons 240 of the two analyzers 200 in the same set face each other, the moving mechanism 310 can drive the pressing structure 322 to move slightly to press the unlocking buttons 240 of the two analyzers 200 respectively, improving production efficiency.

[0057] Specifically, the control module can be a circuit board with control circuitry, or it can be controlled by a microcontroller, workstation, or other similar device.

[0058] Specifically, a position sensor can also be installed on the multi-axis robotic arm to detect the position of the working module 320, so that the pressing structure 322 is aligned with the unlock button 240 of the analyzer 200, and the sample gripper 321 is aligned to grip and insert the sample. The position sensor can be a commercially available sensor.

[0059] Specifically, the sample holder 110 is detachable and movable, making it convenient to replace samples to be tested in batches.

[0060] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0061] Although embodiments of the present invention have been shown and described, those skilled in the art will understand 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 claims and their equivalents.

Claims

1. An X-ray fluorescence analysis device, characterized in that, include: The base (100) is equipped with a sample placement rack (110); An analyzer (200) is disposed on the base (100). The analyzer (200) includes a base (210), a cover (220), an opening and closing drive mechanism (230), and a locking mechanism. One end of the cover (220) is rotatably disposed on the base (210) and can be rotated to an open or closed position. The opening and closing drive mechanism (230) is used to drive the cover (220) to rotate. The locking mechanism is disposed between the base (210) and the cover (220) and is used to unlock or lock the position of the cover (220). The locking mechanism is provided with an unlock button (240). A transfer assembly (300) is disposed on the base (100). The transfer assembly (300) includes a moving mechanism (310) and a working module (320). The moving mechanism (310) can drive the working module (320) to move between the sample holder (110) and the analyzer (200). The working module (320) is provided with a sample gripper (321) and a pressing structure (322). The pressing structure (322) is used to press the unlock button (240). The control module is disposed on the base (100) and electrically connected to the analyzer (200) and the transfer assembly (300).

2. The X-ray fluorescence analysis apparatus according to claim 1, characterized in that: The working module (320) further includes a fixture base (323), which is rotatably mounted on the moving mechanism (310). Two sample grippers (321) are provided, both of which are connected to the fixture base (323). The two sample grippers (321) are equidistant from the rotation axis of the fixture base (323). The pressing structure (322) is connected to the outside of the fixture base (323). The moving mechanism (310) is provided with a rotation driver, which drives the fixture base (323) to rotate relative to the moving mechanism (310).

3. The X-ray fluorescence analysis apparatus according to claim 2, characterized in that: The clamp base (323) is strip-shaped, and the two sample grippers (321) are located at both ends of the clamp base (323).

4. The X-ray fluorescence analysis apparatus according to claim 2, characterized in that: The pressing structure (322) is provided with a magnetic suction part, and the unlock button (240) is provided with a magnetic attraction part, and the magnetic suction part can magnetically engage with the magnetic attraction part.

5. The X-ray fluorescence analysis apparatus according to claim 3, characterized in that: The pressing structure (322) includes a connecting rod (3221) and an elastic block (3222). The elastic block (3222) is connected to one end of the connecting rod (3221), and the other end of the connecting rod (3221) is connected to the middle of the clamp seat (323). The connecting rod (3221) and the rotation axis of the clamp seat (323) are perpendicular to each other.

6. The X-ray fluorescence analysis apparatus according to claim 1, characterized in that: The moving mechanism (310) is a multi-axis robotic arm, one end of which is connected to the base (100), and the other end of which is connected to the working module (320).

7. The X-ray fluorescence analysis apparatus according to claim 1, characterized in that: The opening and closing drive mechanism (230) includes a telescopic actuator (231), one end of which is rotatably mounted on the base (210) and its rotation axis is parallel to the rotation axis of the cover (220) relative to the base (210). The other end of the telescopic actuator (231) is rotatably mounted on the cover (220) and its rotation axis is parallel to the rotation axis of the cover (220) relative to the base (210).

8. The X-ray fluorescence analysis apparatus according to claim 7, characterized in that: The opening and closing drive mechanism (230) further includes an adjusting frame (232) and a locking structure (233). The adjusting frame (232) is movably disposed on the cover (220) and can move closer to or away from the rotation axis of the cover (220) relative to the base (210). The locking structure (233) can lock or unlock the position of the adjusting frame (232) relative to the cover (220). The other end of the telescopic actuator (231) is rotatably connected to the adjusting frame (232).

9. The X-ray fluorescence analysis apparatus according to claim 1, characterized in that: The base (100) is provided with a cover opening detection sensor (120), which is electrically connected to the control module and is used to detect the position of the cover (220).

10. The X-ray fluorescence analysis apparatus according to claim 1, characterized in that: The analyzer (200) is provided in two sets, and the two sets of analyzers (200) are respectively located on the front and rear sides of the transfer assembly (300). Each set of analyzers (200) includes two analyzers (200). The two analyzers (200) in the same set are respectively located on the left and right sides of the transfer assembly (300). The unlocking buttons (240) of the two analyzers (200) in the same set are opposite each other. The sample placement rack (110) is provided between the two analyzers (200) in the same set.

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