A device for detecting the content of chlorantraniliprole in mulberry leaves

Abstract

The utility model provides a kind of detection device of chlorantraniliprole content in mulberry leaf, belong to the technical field of pesticide residue detection, it solves the technical problems such as low degree of automation and easy to be cross-contaminated of existing device. Including rack, waste box and dustbin, the upper end of rack is equipped with crushing mechanism, extraction mechanism, cup drop device and test tube automatic feeding mechanism, crushing mechanism is connected outside water storage tank by outside water pump, rack inside is equipped with support plate, support plate upper end is equipped with electric turntable, electric test tube rack, needle support, mass spectrometer and two discharge plate, support plate is equipped with discharge port, the inner top of rack is equipped with pipette mechanism. The utility model realizes the full automation from crushing, extraction, pipetting to analysis by the cooperation of each mechanism, improves detection efficiency and consistency, can be cleaned and waste is classified simultaneously, effectively avoids cross-contamination, three-dimensional positioning system ensures liquid precision, combined with mass spectrometer analysis, guarantee detection result accurate and reliable.

Description

Technical Field

[0001] This utility model belongs to the field of pesticide residue detection technology, and relates to a device for detecting the content of chlorantraniliprole, particularly a device for detecting the content of chlorantraniliprole in mulberry leaves. Background Technology

[0002] Chlorantraniliprole, a highly effective and broad-spectrum insecticide, is widely used in agricultural production. Its use in mulberry cultivation may result in pesticide residues in mulberry leaves. Since mulberry leaves are the primary feed for silkworms, the pesticide residue levels in these leaves directly affect the safety and quality of sericulture production.

[0003] Currently, the detection of chlorantraniliprole content in mulberry leaves usually relies on traditional laboratory analysis methods, which are heavily dependent on manual labor. This is not only inefficient and time-consuming, but also the errors introduced by human operation directly affect the accuracy and repeatability of the test results.

[0004] In addition, existing sample pretreatment equipment often has limited functionality. Steps such as crushing, extraction, and pipetting require transferring samples between different devices, increasing the risk of sample contamination. At the same time, the equipment lacks efficient and automatic cleaning functions after use, and residual contamination may lead to cross-contamination of subsequent samples, affecting the reliability of detection.

[0005] Therefore, we propose a detection device for chlorantraniliprole content in mulberry leaves. Through the coordinated operation of various mechanisms, the entire process from crushing, extraction, liquid transfer to analysis is fully automated, improving detection efficiency and consistency. Simultaneous cleaning and waste sorting can be performed to effectively avoid cross-contamination. The three-dimensional positioning system ensures accurate liquid transfer, and combined with mass spectrometry analysis, the detection results are guaranteed to be accurate and reliable. Utility Model Content

[0006] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing a device for detecting the chlorantraniliprole content in mulberry leaves. The technical problem this invention aims to solve is: how to achieve automated detection of the chlorantraniliprole content in mulberry leaves while avoiding cross-contamination from repeated testing.

[0007] The objective of this utility model can be achieved through the following technical solutions:

[0008] A device for detecting chlorantraniliprole content in mulberry leaves includes a frame, a waste bin, and a garbage bin. The garbage bin is located on the right side of the frame, and the waste bin is located on the lower left side inside the frame. From right to left, the upper part of the frame is equipped with a crushing mechanism, an extraction mechanism, a dropper, and an automatic test tube feeding mechanism. These mechanisms all extend into the frame. The crushing mechanism is connected to an external water tank via an external water pump. A support plate is located in the middle of the frame, and an electric turntable, an electric test tube rack, a needle holder, and a mass transfer device are located on the upper part of the support plate. The instrument consists of a mass spectrometer and two symmetrically arranged discharge plates. An electric test tube rack is located below the automatic test tube feeding mechanism and to the left of the electric turntable. The electric test tube rack is fixedly connected to the mass spectrometer. The electric turntable is located below the dropper. The waste bin is located below the support plate, and also below the electric test tube rack and the electric turntable. The discharge plate has an L-shaped structure, with its rear side extending to the upper left side of the electric turntable. The support plate has a discharge port located between the two discharge plates. A pipetting mechanism is located on the inner top of the frame, between the electric turntable and the electric test tube rack.

[0009] The working principle of this invention is as follows: Two extraction cups placed on the cup dropper fall sequentially onto an electric turntable. The turntable then moves the extraction cups sequentially to below the extraction mechanism. The mulberry leaf sample is first crushed by a crushing mechanism, which then transports the crushed sample into the first extraction cup. The extraction mechanism then delivers the extractant into the first extraction cup and extracts the crushed mulberry leaves. Subsequently, the electric turntable rotates the extracted first extraction cup to below the leftmost pipetting mechanism. The pipetting mechanism drives a precision syringe pump to move above the needle holder, where it docks / clamps with a spare extraction needle on the needle holder via its mechanical interface to complete needle replacement. The pump then moves above the extracted first extraction cup, aspirates the extracted liquid, and moves it above the electric test tube rack, injecting the extracted liquid into test tubes on the rack. The electric test tube rack moves the test tubes to the connection point between the electric test tube rack and the mass spectrometer. The mass spectrometer analyzes the content of the sample in the test tubes, and the results are uploaded to the cloud for operators or users to view. After the test is completed, the first extraction cup is guided by two discharge plates and falls into the waste bin through the discharge port on the support plate. At the same time, the crushing mechanism uses an external water pump to draw water from the external water tank to clean the remaining crushed mulberry leaf tissue inside the crushing mechanism. The waste liquid after cleaning is transported to the waste bin. After cleaning the inside of the crushing mechanism, the discharge channel is cleaned and the cleaning liquid is transported to the second extraction cup. The electric turntable drives the second extraction cup to rotate and finally falls into the waste bin through the discharge port on the support plate after being guided by two discharge plates. The test tubes after testing are moved by the electric test tube rack and then transported into the waste bin.

[0010] The crushing mechanism includes a crusher. Electric push rods are hinged to both the front and rear end faces of the crusher. Cover plates are hinged to both the front and rear sides of the upper end of the crusher, and connecting rods are fixed to the cover plates. The telescopic ends of the electric push rods are hinged to the connecting rods on the same side. Several high-pressure nozzles parallel to the cover plates are fixed to the lower ends of the cover plates. The high-pressure nozzles are connected to an external water pump via pipes. Two symmetrically arranged guide mounting plates are located at the lower end of the crusher. A drive motor is fixed to the front guide mounting plate. A bidirectional collection hopper is rotatably arranged between the two guide mounting plates. The bidirectional collection hopper is connected to the output shaft of the drive motor. When discharging waste, the bidirectional collection hopper rotates in the forward direction, with its right end positioned above the waste bin. When discharging crushed material, the bidirectional collection hopper rotates in the reverse direction, with its right end positioned above and to the right of the electric turntable.

[0011] With the above structure, the telescopic end of the electric push rod drives the connecting rod to move, thereby opening and closing the two cover plates. When crushing is in progress, the cover plates are closed. After crushing is completed, the telescopic end of the electric push rod can drive the cover plates to open. At the same time, multiple high-pressure nozzles fixed on the lower surface of the cover plates are connected to an external water pump, which can clean the inside of the crusher when needed. The bidirectional collection hopper below the crusher is driven to rotate by the output shaft of the drive motor. When it is necessary to output the crushed mulberry leaf sample, the bidirectional collection hopper rotates in the opposite direction, so that its right end faces the upper right of the electric turntable, sending the material into the first extraction cup for extraction. When it is necessary to discharge the waste liquid and residue after cleaning, the bidirectional collection hopper first rotates in the forward direction, so that its right end faces the top of the waste bin, guiding the cleaning waste liquid into the waste bin. When cleaning the left discharge channel of the bidirectional collection hopper, the bidirectional collection hopper rotates in the opposite direction, and the water flowing out from inside the crusher cleans the left side of the bidirectional collection hopper. The waste liquid from this cleaning is sent to the second extraction cup.

[0012] The extraction mechanism includes a pump tank, with a delivery pipe located below the pump tank. The delivery pipe extends into the machine frame and is positioned directly above the right side of the electric turntable.

[0013] With the above structure, the submersible pump inside the pump tank delivers the extractant stored inside the pump tank. The extractant is guided through the infusion tube below to the right side of the electric turntable. When the extraction cup containing the crushed mulberry leaf sample rotates to this position with the electric turntable, the extractant is accurately and quantitatively injected into the cup through the infusion tube to start the extraction process.

[0014] The cup dropper is provided with a guide tube below it, which extends into the interior of the frame and is located directly above the front of the electric turntable.

[0015] With the above structure, when the cup dropper releases an extraction cup, the cup will fall into the guide tube and slide down its inner wall, eventually being precisely guided to the predetermined station on the electric turntable, preparing for the subsequent extraction process.

[0016] The automatic test tube feeding mechanism includes a feeder housing and a second drive motor. The feeder housing is fixed to the upper left side of the frame, and the second drive motor is fixed to the middle left side of the feeder housing. A cross-shaped test tube positioning frame is fixed to the end of the output shaft of the second drive motor. The output shaft of the second drive motor extends into the interior of the feeder housing. A test tube inlet is provided on the upper rear side of the feeder housing, and a test tube outlet is provided on the lower front side of the feeder housing. The test tube outlet extends into the interior of the frame and is located above the electric test tube rack and directly opposite one of the test tube slots on the electric test tube rack.

[0017] With the above structure, the output shaft of the second drive motor drives the cross-shaped test tube positioning rack to rotate inside the feeder housing. The test tubes are fed in through the test tube inlet at the top of the feeder housing and are sorted and positioned by the rotating test tube positioning rack. Finally, the test tubes are pushed out one by one from the test tube outlet at the front of the bottom of the housing. The test tube outlet is precisely located above the electric test tube rack and aligned with a test tube slot thereon, thus ensuring that the test tubes can be accurately and automatically placed into the designated position of the electric test tube rack.

[0018] The inner top of the frame is provided with an electric lead screw component one arranged horizontally in the front-to-back direction. The lead screw slide of the electric lead screw component one is provided with a vertically arranged electric lead screw component three. The lead screw slide of the electric lead screw component three is provided with an electric lead screw component two arranged horizontally in the left-to-right direction. The lead screw slide of the electric lead screw component two is provided with a vertically arranged precision injection pump.

[0019] Using the above structure, the lead screw slide of electric lead screw component one drives electric lead screw component three to move horizontally in the front-to-back direction, the lead screw slide of electric lead screw component three drives electric lead screw component two to move vertically, and the lead screw slide of electric lead screw component two drives the precision injection pump to move horizontally in the left-to-right direction. Finally, the coordinated action of electric lead screw component one, electric lead screw component three, and electric lead screw component two drives the precision injection pump to move to any specified working point in three-dimensional space to perform precise liquid transfer and dispensing operations.

[0020] Compared with existing technologies, this device for detecting chlorantraniliprole content in mulberry leaves has the following advantages:

[0021] 1. Through the coordinated operation of the cup dropper, electric turntable, automatic test tube feeding mechanism and electric test tube rack, the extraction cups and test tubes are automatically supplied, positioned and transferred; combined with the continuous operation of the crushing mechanism, extraction mechanism and pipetting mechanism, the automated operation from crushing mulberry leaves, extraction, pipetting to analysis is realized, improving detection efficiency and consistency.

[0022] 2. The high-pressure nozzle of the crushing mechanism and the forward and reverse rotation of the bidirectional collection hopper automatically clean the crusher and the bidirectional collection hopper, and introduce the cleaning waste liquid into the second extraction cup and the waste bin respectively; the extraction cup is guided into the waste bin by the discharge plate, realizing the parallel detection and cleaning and sewage discharge, effectively avoiding cross-contamination and keeping the equipment clean.

[0023] 3. A three-dimensional motion system consisting of electric lead screw component one, electric lead screw component three, and electric lead screw component two drives a precision injection pump for accurate positioning and liquid transfer; combined with precise analysis by a mass spectrometer, the accuracy and reliability of chlorantraniliprole content detection results are ensured. Attached Figure Description

[0024] Figure 1 This is a front view structural diagram of this utility model.

[0025] Figure 2 This is a three-dimensional structural diagram of the present invention.

[0026] Figure 3 This is a schematic diagram of the crushing mechanism in this utility model.

[0027] In the diagram, 1. Frame; 2. Mass spectrometer; 3. Electric test tube rack; 4. Needle holder; 5. Electric turntable; 6. Support plate; 7. Waste bin; 8. Drive motor one; 9. Guide mounting plate; 10. Bidirectional collection hopper; 11. Crushing mechanism; 12. Electric push rod; 13. Pump tank; 14. Infusion tube; 15. Cup dropper; 16. Electric lead screw component one; 17. Electric lead screw component two; 18. Automatic test tube feeding mechanism; 19. Electric lead screw component three; 20. Precision injection pump; 21. Discharge plate; 22. Waste bin; 23. Connecting rod; 24. Cover plate. Detailed Implementation

[0028] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0029] like Figures 1-3As shown, this device for detecting chlorantraniliprole content in mulberry leaves includes a frame 1, a waste bin 22, and a garbage bin 7. The garbage bin 7 is located on the right side of the frame 1, and the waste bin 22 is located on the lower left side inside the frame 1. From right to left, the upper part of the frame 1 is equipped with a crushing mechanism 11, an extraction mechanism, a dropper 15, and an automatic test tube feeding mechanism 18. All of these mechanisms extend into the interior of the frame 1. The crushing mechanism 11 is connected to an external water tank via an external water pump. A support plate 6 is located in the middle of the interior of the frame 1. An electric turntable 5, an electric test tube rack 3, a needle holder 4, and a mass transfer device are located on the upper part of the support plate 6. The mass spectrometer 2 and two symmetrically arranged discharge plates 21 are arranged on the left and right. The electric test tube rack 3 is located below the automatic test tube feeding mechanism 18 and to the left of the electric turntable 5. The electric test tube rack 3 is fixedly connected to the mass spectrometer 2. The electric turntable 5 is located below the dropper 15. The waste bin 22 is located below the support plate 6 and below the electric test tube rack 3 and the electric turntable 5. The discharge plate 21 has an L-shaped structure, and the rear side of the discharge plate 21 extends to the upper left side of the electric turntable 5. The support plate 6 is provided with a discharge port, which is located between the two discharge plates 21. The inner top of the frame 1 is provided with a pipetting mechanism, which is located between the electric turntable 5 and the electric test tube rack 3.

[0030] In this embodiment, two extraction cups placed on the dropper 15 fall sequentially onto the electric turntable 5. The electric turntable 5 then moves the extraction cups sequentially to below the extraction mechanism. The mulberry leaf sample is first crushed by the crushing mechanism 11, which then transports the crushed sample into the first extraction cup. Subsequently, the extraction mechanism transports the extractant into the first extraction cup and extracts the crushed mulberry leaves. Then, the electric turntable 5 rotates the extracted first extraction cup to below the leftmost pipetting mechanism. The pipetting mechanism drives the precision injection pump 20 to move above the needle holder 4, where it docks / clamps with the spare extraction needle on the needle holder 4 through its mechanical interface to complete the needle replacement. The pump then moves to above the extracted first extraction cup, draws up the extracted liquid, and moves it to above the electric test tube rack 3, injecting the extracted liquid into the test tubes on the electric test tube rack 3. The electric test tube rack 3 then... The test tube is moved to the connection point between the electric test tube rack 3 and the mass spectrometer 2. The mass spectrometer 2 analyzes the content of the sample in the test tube, and the detection results are uploaded to the cloud for operators or users to view. After the detection is completed, the first extraction cup is guided by two discharge plates 21 and falls into the waste bin 22 through the discharge port on the support plate 6. At the same time, the crushing mechanism 11 uses an external water pump to draw water from the external water tank to clean the remaining crushed mulberry leaf tissue inside the crushing mechanism 11. The waste liquid after cleaning is transported to the garbage bin 7. After cleaning the inside of the crushing mechanism 11, the discharge channel is cleaned and the cleaning liquid is transported to the second extraction cup. The electric turntable 5 drives the second extraction cup to rotate and finally guides it through the two discharge plates 21 and falls into the waste bin 22 through the discharge port on the support plate 6. The test tube after testing is moved by the electric test tube rack 3 and then transported into the waste bin 22.

[0031] The crushing mechanism 11 includes a crusher. Electric push rods 12 are hinged to both the front and rear end faces of the crusher. Cover plates 24 are hinged to both the front and rear sides of the upper end of the crusher. Connecting rods 23 are fixed on the cover plates 24. The telescopic ends of the electric push rods 12 are hinged to the connecting rods 23 on the same side. Several high-pressure nozzles parallel to the cover plates 24 are fixed to the lower end of the cover plates 24. The high-pressure nozzles are connected to the external water pump through pipes. Two guide mounting plates 9 are symmetrically arranged at the lower end of the crusher. A drive motor 8 is fixed on the front guide mounting plate 9. A bidirectional collection hopper 10 is rotatably arranged between the two guide mounting plates 9. The bidirectional collection hopper 10 is connected to the output shaft of the drive motor 8. When outputting waste, the bidirectional collection hopper 10 rotates in the forward direction, and the right end of the bidirectional collection hopper 10 is located above the garbage bin 7. When outputting crushed material, the bidirectional collection hopper 10 rotates in the reverse direction, and the right end of the bidirectional collection hopper 10 is located above the right side of the electric turntable 5.

[0032] In this embodiment, the telescopic end of the electric push rod 12 drives the connecting rod 23 to move, thereby causing the two cover plates 24 to open and close. When crushing is performed, the cover plates 24 are closed. After crushing is completed, the telescopic end of the electric push rod 12 can drive the cover plates 24 to open. At the same time, multiple high-pressure nozzles fixed on the lower surface of the cover plates 24 are connected to an external water pump, which can clean the inside of the crusher when needed. The bidirectional collection hopper 10 below the crusher is driven to rotate by the output shaft of the drive motor 8. When it is necessary to output the crushed mulberry leaf sample, the bidirectional collection hopper 10 rotates in the opposite direction, so that its right end faces the upper right of the electric turntable 5, and sends the material into the first extraction cup for extraction. When it is necessary to discharge the waste liquid and residue after cleaning, the bidirectional collection hopper 10 first rotates in the forward direction, so that its right end faces the upper part of the garbage bin 7, and the cleaning waste liquid is introduced into the garbage bin 7. When cleaning the left discharge channel of the bidirectional collection hopper 10, the bidirectional collection hopper 10 rotates in the opposite direction, and the water flowing out from the crusher cleans the left side of the bidirectional collection hopper 10. The waste liquid from this cleaning is transported to the second extraction cup.

[0033] The extraction mechanism includes a pump tank 13, and a delivery pipe 14 is provided below the pump tank 13. The delivery pipe 14 extends into the frame 1 and is located directly above the right side of the electric turntable 5.

[0034] In this embodiment, the submersible pump inside the pump tank 13 delivers the extractant stored inside the pump tank 13. The extractant is guided through the lower infusion pipe 14 to the upper right side of the electric turntable 5. When the extraction cup containing the crushed mulberry leaf sample rotates to this position with the electric turntable 5, the extractant is accurately and quantitatively injected into the cup through the infusion pipe 14 to start the extraction process.

[0035] A guide tube is provided below the cup dropper 15. The guide tube extends into the interior of the frame 1 and is located directly above the front side of the electric turntable 5.

[0036] In this embodiment, when the cup dropper 15 releases an extraction cup, the cup will fall into the guide tube and slide down its inner wall, and finally be precisely guided to the predetermined station on the electric turntable 5, preparing for the subsequent extraction process.

[0037] The automatic test tube feeding mechanism 18 includes a feeder housing and a second drive motor. The feeder housing is fixed to the upper left side of the frame 1, and the second drive motor is fixed to the middle left side of the feeder housing. A cross-shaped test tube adjustment frame is fixed to the end of the output shaft of the second drive motor. The output shaft of the second drive motor extends into the interior of the feeder housing. A test tube inlet is provided on the upper rear side of the feeder housing, and a test tube outlet is provided on the lower front side of the feeder housing. The test tube outlet extends into the interior of the frame 1 and is located above the electric test tube rack 3 and directly opposite one of the test tube slots on the electric test tube rack 3.

[0038] In this embodiment, the output shaft of the second drive motor drives the cross-shaped test tube positioning rack to rotate inside the feeder housing. The test tubes are fed in through the test tube inlet at the top of the feeder housing and are sorted and positioned by the rotating test tube positioning rack. Finally, the test tubes are pushed out one by one from the test tube outlet at the front of the bottom of the housing. The test tube outlet is precisely located above the electric test tube rack 3 and aligned with a test tube slot thereon, thereby ensuring that the test tubes can be accurately and automatically placed into the designated position of the electric test tube rack 3.

[0039] The inner top of the frame 1 is provided with an electric lead screw component 16 arranged horizontally in the front-to-back direction. The lead screw slide of the electric lead screw component 16 is provided with a vertically arranged electric lead screw component 3 19. The lead screw slide of the electric lead screw component 3 19 is provided with an electric lead screw component 2 17 arranged horizontally in the left-to-right direction. The lead screw slide of the electric lead screw component 2 17 is provided with a vertically arranged precision injection pump 20.

[0040] In this embodiment, the lead screw slide of the first electric lead screw 16 drives the third electric lead screw 19 to move horizontally in the front-back direction, the lead screw slide of the third electric lead screw 19 drives the second electric lead screw 17 to move vertically, and the lead screw slide of the second electric lead screw 17 drives the precision injection pump 20 to move horizontally in the left-right direction. Finally, the coordinated action of the first electric lead screw 16, the third electric lead screw 19, and the second electric lead screw 17 drives the precision injection pump 20 to move to any designated working point in three-dimensional space to perform precise liquid transfer and dispensing operations.

[0041] The working principle of this utility model is as follows: Two extraction cups placed on the cup dropper 15 fall sequentially onto the electric turntable 5. The electric turntable 5 then moves the extraction cups sequentially to below the extraction mechanism. The mulberry leaf sample is first crushed by the crushing mechanism 11. The two cover plates 24 at the top of the crusher are controlled to open and close by the electric push rod 12 through the connecting rod 23. When crushing is in progress, the cover plates 24 are closed, completing the crushing process. When it is necessary to output the crushed mulberry leaf sample, the bidirectional collection hopper 10 rotates in the opposite direction, causing its right end to face the upper right of the electric turntable 5, thus collecting the sample. The material is fed into the first extraction cup. Then, the submersible pump inside the pump tank 13 delivers the extractant stored inside. The extractant is guided through the lower infusion tube 14 to the upper right side of the electric turntable 5. When the extraction cup containing the crushed mulberry leaf sample rotates to this position with the electric turntable 5, the extractant is accurately and quantitatively injected into the cup through the infusion tube 14 to initiate the extraction process. Subsequently, the electric turntable 5 rotates the first extraction cup after extraction to below the leftmost pipetting mechanism. The pipetting mechanism moves above the needle holder 4, and the electric lead screw... The lead screw slide of 16 drives the electric lead screw component 3 19 to move horizontally in the front-to-back direction. The lead screw slide of electric lead screw component 3 19 drives the electric lead screw component 2 17 to move vertically. The lead screw slide of electric lead screw component 2 17 drives the precision injection pump 20 to move horizontally in the left-to-right direction. Finally, the coordinated action of electric lead screw components 16, 3 19, and 2 17 drives the precision injection pump 20 to move to any designated working point in three-dimensional space to perform precise liquid transfer and dispensing operations, change the extraction needle, and then... Move the device above the first extraction cup after extraction, aspirate the extracted liquid, and move it above the electric test tube rack 3. Inject the extracted liquid into the test tube on the electric test tube rack 3. The electric test tube rack 3 moves the test tube to the connection point between the electric test tube rack 3 and the mass spectrometer 2. The mass spectrometer 2 analyzes the content of the sample in the test tube, and the detection results are uploaded to the cloud for operators or users to view. After the detection is completed, the first extraction cup is guided by two discharge plates 21 and falls into the waste bin 22 through the discharge port on the support plate 6. At the same time as the detection;

[0042] Water is drawn from the external water tank by an external water pump and delivered to multiple high-pressure nozzles on the lower surface of the cover plate 24. The high-pressure nozzles clean the inside of the crusher. During cleaning, the telescopic end of the electric push rod 12 controls the rotation of the cover plate 24 via the connecting rod 23, thereby driving the high-pressure nozzles to clean the inside of the crushing mechanism 11 and the left end of the bidirectional collection hopper 10 of any remaining crushed mulberry leaf tissue. When it is necessary to discharge the waste liquid and residue after cleaning, the bidirectional collection hopper 10 first rotates clockwise, so that its right end faces upwards towards the garbage bin 7. The cleaning waste liquid is introduced into the waste bin 7. When cleaning the left discharge channel of the bidirectional collection hopper 10, the bidirectional collection hopper 10 rotates in the opposite direction. The water flowing out from the inside of the crusher cleans the left side of the bidirectional collection hopper 10. The cleaning waste liquid is transported to the second extraction cup. The electric turntable 5 drives the second extraction cup to rotate and finally guides it through the two discharge plates 21. It falls into the waste bin 22 through the discharge port on the support plate 6. The test tubes after testing are moved under the drive of the electric test tube rack 3. Then the test tubes after testing are transported into the waste bin 22.

[0043] In summary, through the coordinated operation of the cup dropper 15, the electric turntable 5, the automatic test tube feeding mechanism 18, and the electric test tube rack 3, the supply, positioning, and transfer of extraction cups and test tubes are automatically completed; combined with the continuous operation of the crushing mechanism 11, the extraction mechanism, and the pipetting mechanism, the automated operation from crushing mulberry leaves, extraction, pipetting to analysis is realized, thereby improving detection efficiency and consistency.

[0044] The high-pressure nozzle of the crushing mechanism 11 and the forward and reverse rotation of the bidirectional collection bucket 10 automatically complete the cleaning of the crusher and the bidirectional collection bucket 10, and respectively introduce the cleaning waste liquid into the second extraction cup and the waste bin 7; the extraction cup is guided by the discharge plate 21 to fall into the waste bin 22, realizing the parallel detection and cleaning and sewage discharge, effectively avoiding cross-contamination and keeping the equipment clean.

[0045] A three-dimensional motion system consisting of electric lead screw 16, electric lead screw 3 19, and electric lead screw 2 17 drives the precision injection pump 20 for precise positioning and liquid transfer; combined with the precise analysis of the mass spectrometer 2, the accuracy and reliability of the chlorantraniliprole content detection results are ensured.

[0046] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A device for detecting the chlorantraniliprole content in mulberry leaves, comprising a frame (1), a waste bin (22), and a garbage bin (7), characterized in that, The waste bin (7) is located on the right side of the frame (1), and the waste bin (22) is located on the lower left side inside the frame (1). The upper end of the frame (1) is provided with a crushing mechanism (11), an extraction mechanism, a dropper (15), and an automatic test tube feeding mechanism (18) from right to left. The crushing mechanism (11), extraction mechanism, dropper (15), and automatic test tube feeding mechanism (18) all extend into the interior of the frame (1). The crushing mechanism (11) is connected to an external water tank through an external water pump. A support plate (6) is provided in the middle of the interior of the frame (1). The upper end of the support plate (6) is provided with an electric turntable (5), an electric test tube rack (3), a needle holder (4), a mass spectrometer (2), and two symmetrically arranged discharge plates (21). The electric test tube rack (3) is located below the automatic test tube feeding mechanism (18) and to the left of the electric turntable (5). The electric test tube rack (3) is fixedly connected to the mass spectrometer (2). The electric turntable (5) is located below the dropper (15). The waste bin (22) is located below the support plate (6) and below the electric test tube rack (3) and the electric turntable (5). The discharge plate (21) has an L-shaped structure. The rear side of the discharge plate (21) extends to the upper left side of the electric turntable (5). The support plate (6) is provided with a discharge port, which is located between the two discharge plates (21). The inner top of the frame (1) is provided with a pipetting mechanism, which is located between the electric turntable (5) and the electric test tube rack (3).

2. The device for detecting the chlorantraniliprole content in mulberry leaves according to claim 1, characterized in that, The crushing mechanism (11) includes a crusher. Electric push rods (12) are hinged to both the front and rear end faces of the crusher. Cover plates (24) are hinged to both the front and rear sides of the upper end of the crusher. Connecting rods (23) are fixed on the cover plates (24). The telescopic ends of the electric push rods (12) are hinged to the connecting rods (23) on the same side. Several high-pressure nozzles parallel to the cover plates (24) are fixed to the lower end of the cover plates (24). The high-pressure nozzles are connected to the external water pump through pipes. Two guide mounting plates (9) are symmetrically arranged at the lower end of the crusher. A drive motor (8) is fixed on the front guide mounting plate (9). A bidirectional collection hopper (10) is rotatably provided between the two guide mounting plates (9). The bidirectional collection hopper (10) is connected to the output shaft of the drive motor (8). When outputting waste, the bidirectional collection hopper (10) rotates in the forward direction. The right end of the bidirectional collection hopper (10) is located above the garbage bin (7). When outputting crushed material, the bidirectional collection hopper (10) rotates in the reverse direction. The right end of the bidirectional collection hopper (10) is located above the right side of the electric turntable (5).

3. The device for detecting the chlorantraniliprole content in mulberry leaves according to claim 2, characterized in that, The extraction mechanism includes a pump tank (13), and a delivery pipe (14) is provided below the pump tank (13). The delivery pipe (14) extends into the frame (1) and is located directly above the right side of the electric turntable (5).

4. The device for detecting the chlorantraniliprole content in mulberry leaves according to claim 3, characterized in that, The cup dropper (15) is provided with a guide tube below it. The guide tube extends into the interior of the frame (1) and is located directly above the front side of the electric turntable (5).

5. The device for detecting the chlorantraniliprole content in mulberry leaves according to claim 4, characterized in that, The automatic test tube feeding mechanism (18) includes a feeder housing and a second drive motor. The feeder housing is fixed on the upper left side of the frame (1), and the second drive motor is fixed in the middle of the left side of the feeder housing. A cross-shaped test tube adjustment frame is fixed at the end of the output shaft of the second drive motor. The output shaft of the second drive motor extends into the inside of the feeder housing. A test tube input port is provided on the upper rear side of the feeder housing, and a test tube output port is provided on the lower front side of the feeder housing. The test tube output port extends into the inside of the frame (1). The test tube output port is located above the electric test tube rack (3) and is directly opposite one of the test tube slots on the electric test tube rack (3).

6. The device for detecting the chlorantraniliprole content in mulberry leaves according to claim 5, characterized in that, The inner top of the frame (1) is provided with an electric lead screw component one (16) arranged horizontally in the front-back direction. The lead screw slide of the electric lead screw component one (16) is provided with an electric lead screw component three (19) arranged vertically. The lead screw slide of the electric lead screw component three (19) is provided with an electric lead screw component two (17) arranged horizontally in the left-right direction. The lead screw slide of the electric lead screw component two (17) is provided with a precision injection pump (20) arranged vertically.

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