Pesticide residue rapid detection device based on local contact infiltration

Abstract

The invention relates to a rapid pesticide residue detection device based on local contact infiltration. The technical core is that the infiltration box is arranged on the other side of the inner bottom wall of the detection box, and the collection box is arranged between the infiltration box and the detection box; the filtering frame is arranged on one side of the lower part in the collecting box; the pumping pump is fixed to the inner wall of one side of the detection box through a supporting plate, the water outlet end of the pumping pump is connected with the inlet end of the conveying pipe, and a pipeline at the water inlet end of the pumping pump penetrates through one side wall of the collection box and then is located in the filtering frame. The moving screw rods are symmetrically embedded in the front and back and are screwed in the top wall of the detection box through bearings, and one end of one moving screw rod is fixedly provided with a moving motor; the fixing mechanism is suspended on the upper side in the detection box, and the fixing mechanism is connected with the movable screw rod through the lifting mechanism; the cutting mechanism is arranged on one side of the fixing mechanism. According to the device, local parts of crops can be soaked, so that pesticide residues on the local parts of the crops can be conveniently detected, and the working efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of pesticide residue detection, and in particular to a rapid pesticide residue detection device based on local contact infiltration. Background Art

[0002] Due to excessive application of pesticides on crops, pesticide residues in agricultural products or foods are serious. Pesticide residues exceeding the standard occur from time to time, which seriously endangers people's health. When testing crops, the existing pesticide residue detection device needs to immerse the entire crop in the liquid, and it is impossible to immerse the part of the crop, so it is impossible to detect the pesticide residues in the part of the crop, which reduces the work efficiency. Summary of the invention

[0003] The purpose of the present invention is to provide a rapid detection device for pesticide residues based on local contact infiltration with a reasonable design and easy use in view of the defects and shortcomings of the prior art, which can soak local parts of crops, thereby facilitating the detection of pesticide residues in local parts of crops and improving work efficiency.

[0004] To achieve the above object, the present invention adopts the following technical scheme: it comprises a detection box, a detection instrument body and a delivery pipe, the detection instrument body is fixed to one side of the bottom wall of the detection box, and the liquid inlet of the detection instrument body is connected to the delivery pipe; it also comprises:

[0005] An infiltration box, wherein the infiltration box is arranged on the other side of the bottom wall of the detection box, and a collection box is arranged between the infiltration box and the detection box;

[0006] The filter frame is arranged in an inverted "L" shape, and the filter frame is arranged on one side of the lower part of the collecting box, and the filter frame is fixedly connected to the inner wall of the collecting box;

[0007] A pumping pump, wherein the pumping pump is fixed to the inner wall of one side of the detection box through a support plate, the water outlet of the pumping pump is connected to the inlet end of the delivery pipe, and the pipe at the water inlet end of the pumping pump passes through a side wall of the collection box and is located in the filter frame;

[0008] There are two movable screw rods, which are symmetrically embedded in the front and rear and screwed into the top wall of the detection box through bearings. The two movable screw rods are connected through a synchronous wheel transmission assembly. A movable motor is fixed at one end of one of the movable screw rods, and the movable motor is embedded and fixed in one side of the top wall of the detection box.

[0009] A fixing mechanism, wherein the fixing mechanism is suspended on the upper side of the interior of the detection box and is connected to the moving screw rod through a lifting mechanism;

[0010] A cutting mechanism, wherein the cutting mechanism is arranged on one side of the fixing mechanism;

[0011] Through the above technical solution, the crops to be tested are installed on the fixing mechanism, and the fixing mechanism is driven to move downward by the lifting mechanism until the position where the crops need to be infiltrated is immersed in the liquid medicine in the infiltration box. After the infiltration is completed, the fixing mechanism and the crops are driven to move upward by the lifting mechanism, and then the moving motor is started. The moving motor drives the connected moving screw to rotate, and the moving screw drives another moving screw to rotate through the synchronous wheel transmission assembly. The two moving screws drive the lifting mechanism to move, and the lifting mechanism drives the fixing mechanism and the crops to the upper side of the collection box. The cutting mechanism is started, and the cutting mechanism cuts the infiltrated part of the crops. The cut crops fall onto the collection box. The liquid after the crops and the liquid medicine are mixed is filtered through the filter rack. Finally, the pumping pump is started, and the pumping pump transports the liquid to the detector body through the delivery pipe, so as to facilitate the detection.

[0012] As a further improvement of the present invention, the fixing mechanism comprises:

[0013] A fixed plate, the fixed plate is connected to the lifting mechanism, a fixed screw is embedded in the fixed plate and is screwed through a bearing, the threads at both ends of the fixed screw are oppositely arranged, a fixed motor is fixed on one end of the fixed screw, and the fixed motor is embedded and fixed in a side wall of the fixed plate;

[0014] Moving blocks, there are two moving blocks, which are respectively screwed on the two ends of the fixed screw rod through threads, and the lower side of the moving block passes through the sliding groove on the lower side of the fixed plate and is fixed with a mounting rod;

[0015] Fixed plug rods, there are two fixed plug rods, and they are respectively inserted on the side walls adjacent to the two mounting rods;

[0016] Through the above technical solution, crops are placed between two fixed rods, and the fixed motor is started. The fixed motor drives the fixed screw rod to rotate. When the fixed screw rod rotates, it drives the installation rod to move through the moving blocks at both ends. The installation rod drives the fixed rod to move to one side of the center of the crop until the fixed rod is inserted into the crop, thereby fixing the crop.

[0017] As a further improvement of the present invention, the fixed plug rod is screwed into the mounting rod through a bearing, a rotating motor is embedded and fixed inside the mounting rod on one side, and the output shaft of the rotating motor is connected to the fixed plug rod in the mounting rod through a synchronous wheel transmission assembly;

[0018] Through the above technical solution, after the crops are installed, the rotating motor can be started, and the rotating motor drives the fixed insertion rod connected to it to rotate through the synchronous wheel transmission assembly, so that the crops can be adjusted accordingly, so that the part of the crops that need to be wetted can be rotated downward.

[0019] As a further improvement of the present invention, the lifting mechanism comprises:

[0020] A mounting plate, the mounting plate abuts against the inner bottom wall of the detection box, and the front and rear sides of the upper surface of the mounting plate are fixedly connected to the nuts on the front and rear moving screw rods through sliding blocks;

[0021] A lifting screw rod, the lifting screw rod is embedded in the mounting plate and is screwed to the mounting plate through a bearing, the threads at both ends of the lifting screw rod are arranged oppositely, the two ends of the lifting screw rod are screwed to the lifting blocks through the threads, and the lifting blocks are slidably arranged in the slide groove on the lower surface of the mounting plate;

[0022] A lifting motor, wherein the lifting motor is embedded and fixed in one side of the mounting plate, the lifting motor is connected to an external power source, and the output shaft of the lifting motor is fixedly connected to one end of the lifting screw rod;

[0023] Connecting rods, there are two connecting rods, and one end of each connecting rod is screwed to the lower side of the lifting block through a shaft rod. After the two connecting rods are staggered, a rotating rod is screwed to the shaft rod, and the other end of the rotating rod is screwed to the upper surface of the fixed plate through a hinge seat;

[0024] Through the above technical solution, the lifting motor is started, and the lifting motor drives the lifting screw to rotate. The lifting screw drives the lifting blocks on both sides to move in opposite directions through the thread. The lifting blocks drive the connecting rod to rotate, and the other end of the connecting rod drives the rotating rod to rotate. During the rotation process, the connecting rod and the rotating rod drive the fixed plate to move up and down until the fixed plate moves to the desired position.

[0025] As a further improvement of the present invention, the cutting mechanism comprises:

[0026] A cutting motor, wherein the cutting motor is embedded and fixed in one side of the fixing plate, the cutting motor is connected to an external power source, and an output shaft of the cutting motor passes through a side wall of the fixing plate and is fixed with a rotating plate;

[0027] An electric push rod, which is embedded and fixed in the rotating plate, connected to an external power source, and a cutting blade is fixed on a piston rod of the electric push rod, and the cutting blade is suspended on one side of the fixed plate;

[0028] Through the above technical solution, after the crops are hung on the upper side of the collection box, the electric push rod is started, the electric push rod drives the cutting blade to move, and then the cutting motor is started, the cutting motor drives the rotating plate to rotate, and the rotating plate drives the cutting blade to rotate through the electric push rod, so that the crops are cut by the cutting blade.

[0029] As a further improvement of the present invention, a plug plate is fixed on a side wall of the cutting blade away from the electric push rod, a sleeve plate is sleeved on the outer side of the plug plate, and the sleeve plate is screwed on the other side wall of the fixed plate through a shaft;

[0030] Through the above technical solution, the other side of the cutting blade can be easily supported, thereby improving the stability of the cutting blade when it rotates.

[0031] As a further improvement of the present invention, a guide plate is provided inside the collection box, one side wall of the guide plate is arranged to abut against the vertical plate of the filter frame, the other three side walls of the guide plate are fixedly connected to the inner wall of the collection box, and the upper surface of the guide plate is arranged to be inclined downwardly adjacent to one side of the filter frame;

[0032] The above technical solution can facilitate the guidance of liquid dripping on crops.

[0033] As a further improvement of the present invention, two rolling gears are arranged on the upper side of the interior of the collection box, the two rolling gears are meshed with each other, the two ends of the rolling gears are screwed to the front and rear inner walls of the collection box through shafts, and a rolling motor is fixed to one side wall of the collection box, and the output shaft of the rolling motor is fixedly connected to the shaft on one of the rolling gears;

[0034] Through the above technical solution, the rolling motor is started, and the rolling motor drives the rolling gear connected to it to rotate, and the rolling gear drives another rolling gear to rotate. The two rolling gears rotate in opposite directions, so that the fallen crops can be rolled, which makes it easier to squeeze out the liquid in the crops, so that they can be better supplied to the pumping pump for extraction.

[0035] Compared with the prior art, the present invention has the following beneficial effects:

[0036] 1. The crops are fixed on the fixing mechanism and can be driven to move up and down by the lifting mechanism, so that the crops can be moved downward to be soaked in a suitable position to achieve the effect of local soaking;

[0037] 2. After the crops are soaked, they can be cut by the cutting mechanism, so that the soaked crops fall down into the collection box. At this time, the liquid medicine of the crops can be pumped into the detector body by the pumping pump, so as to facilitate the detection;

[0038] 3. The fallen crops can be crushed by the crushing gears, so that the liquid in the crops can be squeezed out, which is more conducive to the extraction of liquid by the pumping pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 It is a schematic diagram of the structure of the present invention.

[0040] Figure 2 It is a structural schematic diagram of the fixing mechanism, lifting mechanism and movable screw rod in the present invention.

[0041] Figure 3 It is an exploded view of the fixing mechanism in the present invention.

[0042] Figure 4 It is an exploded view of the lifting mechanism in the present invention.

[0043] Figure 5 It is an exploded view of the cutting mechanism in the present invention.

[0044] Figure 6 It is a schematic diagram of the internal structure of the collection box in the present invention.

[0045] Description of reference numerals:

[0046] Detection box 1, detector body 2, delivery pipe 3, infiltration box 4, collection box 5, filter frame 6, pumping pump 7, moving screw 8, moving motor 9, fixing mechanism 10, fixing plate 10-1, fixing screw 10-2, fixing motor 10-3, moving block 10-4, mounting rod 10-5, fixing plug rod 10-6, lifting mechanism 11, mounting plate 11-1, lifting screw 11-2, lifting block 11-3, lifting motor 11-4, connecting rod 11-5, rotating rod 11-6, cutting mechanism 12, cutting motor 12-1, rotating plate 12-2, electric push rod 12-3, cutting blade 12-4, rotating motor 13, plug plate 14, sleeve plate 15, guide plate 16, rolling gear 17, rolling motor 18. DETAILED DESCRIPTION

[0047] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

[0048] Embodiment 1:

[0049] like Figure 1-Figure 6 As shown, this embodiment includes a detection box 1, a detection instrument body 2 and a delivery pipe 3. The detection instrument body 2 is fixed to the right side of the bottom wall of the detection box 1, and the liquid inlet of the detection instrument body 2 is connected to the delivery pipe 3; it also includes:

[0050] The infiltration box 4 is arranged on the left side of the bottom wall of the detection box 1, and a collection box 5 is arranged between the infiltration box 4 and the detection box 1;

[0051] The filter frame 6 is arranged in an inverted "L" shape, and the filter frame 6 is arranged at the front side of the lower part of the collecting box 5, and the filter frame 6 is fixedly connected to the inner wall of the collecting box 5; a guide plate 16 is arranged inside the collecting box 5, and the front side wall of the guide plate 16 is arranged to be in conflict with the vertical plate of the filter frame 6, and the other three side walls of the guide plate 16 are welded and fixed to the inner wall of the collecting box 5, and the upper surface of the guide plate 16 is arranged to be inclined downwardly adjacent to one side of the filter frame 6, which can facilitate the guidance of liquid dripping from the crops;

[0052] The pumping pump 7 is fixed to the inner wall of the right side of the detection box 1 through a support plate, the water outlet of the pumping pump 7 is connected to the inlet end of the delivery pipe 3, and the pipe of the water inlet end of the pumping pump 7 passes through the front side wall of the collection box 5 and is located in the filter frame 6;

[0053] Two rolling gears 17 are arranged on the upper side of the inside of the collecting box 5, and the two rolling gears 17 are meshed with each other. The two ends of the rolling gear 17 are screwed to the front and rear inner walls of the collecting box 5 through a shaft rod. A rolling motor 18 is fixed to the front side wall of the collecting box 5 by bolts. The output shaft of the rolling motor 18 is fixedly connected to the shaft rod on the left rolling gear 17. When the rolling motor 18 is started, the rolling motor 18 drives the rolling gear 17 connected thereto to rotate, and the rolling gear 17 drives the other rolling gear 17 to rotate. The two rolling gears 17 rotate in opposite directions, so that the fallen crops can be rolled, which is convenient for squeezing out the liquid in the crops, so that it can be better supplied to the pumping pump 7 for extraction;

[0054] There are two movable screw rods 8, which are symmetrically embedded in the front and rear and screwed in the top wall of the detection box 1 through bearings. The two movable screw rods 8 are connected by a synchronous wheel transmission assembly. The right end of the movable screw rod 8 on the front side is fixed with a movable motor 9, which is embedded in the right side of the top wall of the detection box 1 and fixed by bolts;

[0055] A fixing mechanism 10, wherein the fixing mechanism 10 is suspended on the upper side of the interior of the detection box 1, and the fixing mechanism 10 is connected to the moving screw rod 8 via a lifting mechanism 11;

[0056] The cutting mechanism 12 is arranged on one side of the fixing mechanism 10 .

[0057] Embodiment 2:

[0058] See also Figure 1-4 As shown, based on Example 1, the fixing mechanism 10 comprises:

[0059] A fixed plate 10-1, wherein the fixed plate 10-1 is connected to the lifting mechanism 11, a fixed screw rod 10-2 is embedded in the fixed plate 10-1 and is screwed to the fixed plate 10-1 via a bearing, the threads at both ends of the fixed screw rod 10-2 are oppositely arranged, a motor 10-3 is fixed to the front end of the fixed screw rod 10-2 via a bolt, and the fixed motor 10-3 is embedded and fixed in the front side wall of the fixed plate 10-1;

[0060] The moving block 10-4 is two and is respectively screwed to the two ends of the fixed screw rod 10-2 by threads. The lower side of the moving block 10-4 passes through the slide groove on the lower side of the fixed plate 10-1 and is welded and fixed with the mounting rod 10-5.

[0061] There are two fixed rods 10-6, and they are respectively inserted on the adjacent side walls of the two mounting rods 10-5; the fixed rods 10-6 are screwed into the mounting rods 10-5 through bearings, and a rotating motor 13 is embedded and fixed inside the front mounting rod 10-5. The output shaft of the rotating motor 13 is connected to the fixed rod 10-6 in the mounting rod 10-5 through a synchronous wheel transmission assembly. After the crops are installed, the rotating motor 13 can be started, and the rotating motor 13 drives the fixed rod 10-6 connected thereto to rotate through the synchronous wheel transmission assembly, so that the crops can be adjusted accordingly, so that the part of the crop that needs to be wetted can be rotated downward.

[0062] Embodiment 3:

[0063] See also Figure 1-2 , Figure 4 As shown, based on Example 2, the lifting mechanism 11 includes:

[0064] A mounting plate 11-1, wherein the mounting plate 11-1 abuts against the inner bottom wall of the detection box 1, and the front and rear sides of the upper surface of the mounting plate 11-1 are fixedly connected to the nuts on the front and rear moving screw rods 8 through sliding blocks;

[0065] A lifting screw rod 11-2, wherein the lifting screw rod 11-2 is embedded in the mounting plate 11-1 and is screwed to the mounting plate 11-1 through a bearing, the threads at both ends of the lifting screw rod 11-2 are oppositely arranged, and the lifting blocks 11-3 are screwed to the lifting screw rod 11-2 through threads, and the lifting blocks 11-3 are slidably arranged in a slide groove on the lower surface of the mounting plate 11-1;

[0066] A lifting motor 11-4, wherein the lifting motor 11-4 is embedded in and fixed to the rear side of the mounting plate 11-1 by bolts, the lifting motor 11-4 is connected to an external power source, and an output shaft of the lifting motor 11-4 is fixedly connected to the rear end of the lifting screw rod 11-2;

[0067] There are two connecting rods 11-5, and one end of each connecting rod is screwed to the lower side of the lifting block 11-3 through an axle rod. After the two connecting rods 11-5 are staggered, a rotating rod 11-6 is screwed to the axle rod. The other end of the rotating rod 11-6 is screwed to the upper surface of the fixed plate 10-1 through a hinge seat.

[0068] Embodiment 4:

[0069] See also Figure 2 , Figure 5 As shown, based on Example 2, the cutting mechanism 12 includes:

[0070] A cutting motor 12-1, wherein the cutting motor 12-1 is embedded and fixed in one side of the fixing plate 10-1, the cutting motor 12-1 is connected to an external power source, and an output shaft of the cutting motor 12-1 passes through a side wall of the fixing plate 10-1, and a rotating plate 12-2 is fixed thereto;

[0071] An electric push rod 12-3, wherein the electric push rod 12-3 is embedded in and fixed in the rotating plate 12-2, the electric push rod 12-3 is connected to an external power supply, a cutting blade 12-4 is fixed on the piston rod of the electric push rod 12-3, and the cutting blade 12-4 is suspended on one side of the fixed plate 10-1; an insert plate 14 is fixed on a side wall of the cutting blade 12-4 away from the electric push rod 12-3, and a sleeve plate 15 is sleeved on the outer side of the insert plate 14, and the sleeve plate 15 is screwed on the other side wall of the fixed plate 10-1 through a shaft, which can facilitate the support of the other side of the cutting blade 12-4 and improve the stability of the cutting blade 12-4 when it rotates.

[0072] When using the present invention, the crops are placed between the two fixed insertion rods 10-6, and the fixed motor 10-3 is started. The fixed motor 10-3 drives the fixed screw rod 10-2 to rotate. When the fixed screw rod 10-2 rotates, it drives the installation rod 10-5 to move through the moving blocks 10-4 at both ends. The installation rod 10-5 drives the fixed insertion rod 10-6 to move to one side of the center of the crop until the fixed insertion rod 10-6 is inserted into the crop, so that the crop can be fixed, and the lifting motor 11-4 is started. The machine 11-4 drives the lifting screw 11-2 to rotate, and the lifting screw 11-2 drives the lifting blocks 11-3 on both sides to move in opposite directions through the thread, and the lifting blocks 11-3 drive the connecting rod 11-5 to rotate, and the other end of the connecting rod 11-5 drives the rotating rod 11-6 to rotate. During the rotation process, the connecting rod 11-5 and the rotating rod 11-6 drive the fixed plate 10-1 to move up and down until the fixed plate 10-1 drives the position where the crops need to be infiltrated to be immersed in the liquid medicine in the infiltration box 4. After the infiltration is completed, the lifting screw 11-2 drives the lifting blocks 11-3 to move in opposite directions. The lowering mechanism 11 drives the fixing mechanism 10 and the crops to move upward, and then the moving motor 9 is started. The moving motor 9 drives the connected moving screw rod 8 to rotate, and the moving screw rod 8 drives another moving screw rod 8 to rotate through the synchronous wheel transmission assembly. The two moving screw rods 8 drive the lifting mechanism 11 to move, and the lifting mechanism 11 drives the fixing mechanism 10 and the crops to move to the upper side of the collecting box 5. After the crops are suspended on the upper side of the collecting box 5, the electric push rod 12-3 is started, and the electric push rod 12-3 drives the cutting blade 12-4 to move, and then the cutting motor 12-1 is started. The cutting motor 12-1 drives the rotating plate 12-2 to rotate, and the rotating plate 12-2 drives the cutting blade 12-4 to rotate through the electric push rod 12-3, so that the crops are cut by the cutting blade 12-4, and the cut crops fall onto the collecting box 5. The liquid after the crops and the liquid medicine are mixed is filtered through the filter frame 6, and finally the pumping pump 7 is started, and the pumping pump 7 transports the liquid to the detector body 2 through the delivery pipe 3, so as to facilitate the detection.

[0073] Compared with the prior art, the beneficial effects of this specific implementation are as follows:

[0074] 1. The crops are fixed on the fixing mechanism 10 and can be driven to move up and down by the lifting mechanism 11, so as to facilitate moving the crops downward to make them soaked in a suitable position, thereby achieving a local soaking effect;

[0075] 2. After the crops are soaked, they can be cut by the cutting mechanism 12, so that the soaked crops fall down into the collection box 5. At this time, the liquid medicine of the crops can be pumped into the detector body 2 by the pumping pump 7, so as to facilitate the detection;

[0076] 3. The fallen crops can be crushed by the crushing gear 17, so as to squeeze out the liquid in the crops, which is more conducive to the extraction of liquid by the pumping pump 7.

[0077] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rapid detection device for pesticide residues based on local contact infiltration, characterized in that: The invention comprises a detection box (1), a detection instrument body (2) and a delivery pipe (3), wherein the detection instrument body (2) is fixed to one side of the inner bottom wall of the detection box (1), and the liquid inlet of the detection instrument body (2) is connected to the delivery pipe (3); and further comprises: An infiltration box (4), wherein the infiltration box (4) is arranged on the other side of the inner bottom wall of the detection box (1), and a collection box (5) is arranged between the infiltration box (4) and the detection box (1); A filter frame (6), wherein the filter frame (6) is arranged in an inverted "L" shape, the filter frame (6) is arranged on one side of the lower part of the collecting box (5), and the filter frame (6) is fixedly connected to the inner wall of the collecting box (5); A pumping pump (7), wherein the pumping pump (7) is fixed to the inner wall of one side of the detection box (1) through a support plate, the water outlet of the pumping pump (7) is connected to the inlet end of the delivery pipe (3), and the pipe of the water inlet end of the pumping pump (7) passes through a side wall of the collection box (5) and is located in the filter frame (6); There are two movable screw rods (8), which are symmetrically embedded in the front and rear and screwed into the top wall of the detection box (1) through bearings. The two movable screw rods (8) are connected through a synchronous wheel transmission assembly. A movable motor (9) is fixed to one end of one of the movable screw rods (8), and the movable motor (9) is embedded and fixed in one side of the top wall of the detection box (1); A fixing mechanism (10), wherein the fixing mechanism (10) is suspended on the upper side of the interior of the detection box (1), and the fixing mechanism (10) is connected to the moving screw rod (8) via a lifting mechanism (11); A cutting mechanism (12), wherein the cutting mechanism (12) is arranged on one side of the fixing mechanism (10).

2. The rapid detection device for pesticide residues based on local contact infiltration according to claim 1, characterized in that: The fixing mechanism (10) comprises: A fixed plate (10-1), the fixed plate (10-1) being connected to the lifting mechanism (11), a fixed screw rod (10-2) being embedded inside the fixed plate (10-1) and being screwed together via a bearing, the threads at both ends of the fixed screw rod (10-2) being arranged oppositely, a fixed motor (10-3) being fixed on one end of the fixed screw rod (10-2), and the fixed motor (10-3) being embedded in and fixed in a side wall of the fixed plate (10-1); The movable blocks (10-4) are two in number and are respectively screwed to the two ends of the fixed screw rod (10-2) through threads; the lower side of the movable block (10-4) passes through the slide groove on the lower side of the fixed plate (10-1) and is fixed with a mounting rod (10-5); There are two fixed insertion rods (10-6), and the fixed insertion rods (10-6) are respectively inserted on the adjacent side walls of the two installation rods (10-5).

3. The rapid detection device for pesticide residues based on local contact infiltration according to claim 2, characterized in that: The fixed plug rod (10-6) is screwed into the mounting rod (10-5) via a bearing, a rotating motor (13) is embedded and fixed inside the mounting rod (10-5) on one side, and the output shaft of the rotating motor (13) is connected to the fixed plug rod (10-6) inside the mounting rod (10-5) via a synchronous wheel transmission assembly.

4. The rapid detection device for pesticide residues based on local contact infiltration according to claim 2, characterized in that: The lifting mechanism (11) comprises: A mounting plate (11-1), the mounting plate (11-1) abutting against the inner bottom wall of the detection box (1), and the front and rear sides of the upper surface of the mounting plate (11-1) being fixedly connected to the nuts on the front and rear movable screw rods (8) via sliding blocks; A lifting screw rod (11-2), the lifting screw rod (11-2) is embedded in the mounting plate (11-1) and screwed through a bearing, the threads at both ends of the lifting screw rod (11-2) are arranged oppositely, the two ends of the lifting screw rod (11-2) are screwed with lifting blocks (11-3) through threads, and the lifting blocks (11-3) are slidably arranged in a slide groove on the lower surface of the mounting plate (11-1); A lifting motor (11-4), wherein the lifting motor (11-4) is embedded in and fixed on one side of the mounting plate (11-1), the lifting motor (11-4) is connected to an external power source, and an output shaft of the lifting motor (11-4) is fixedly connected to one end of the lifting screw rod (11-2); There are two connecting rods (11-5), and one end of each connecting rod is screwed to the lower side of the lifting block (11-3) through a shaft rod. After the two connecting rods (11-5) are staggered, a rotating rod (11-6) is screwed to the shaft rod. The other end of the rotating rod (11-6) is screwed to the upper surface of the fixed plate (10-1) through a hinge seat.

5. The rapid detection device for pesticide residues based on local contact infiltration according to claim 2, characterized in that: The cutting mechanism (12) comprises: A cutting motor (12-1), wherein the cutting motor (12-1) is embedded in and fixed in one side of the fixing plate (10-1), the cutting motor (12-1) is connected to an external power source, and an output shaft of the cutting motor (12-1) passes through a side wall of the fixing plate (10-1) and is fixed with a rotating plate (12-2); An electric push rod (12-3) is embedded in and fixed in the rotating plate (12-2), the electric push rod (12-3) is connected to an external power source, a cutting blade (12-4) is fixed on the piston rod of the electric push rod (12-3), and the cutting blade (12-4) is suspended on one side of the fixed plate (10-1).

6. The rapid detection device for pesticide residues based on local contact infiltration according to claim 5, characterized in that: A plug plate (14) is fixed on a side wall of the cutting blade (12-4) away from the electric push rod (12-3), a sleeve plate (15) is sleeved on the outer side of the plug plate (14), and the sleeve plate (15) is screwed on the other side wall of the fixed plate (10-1) through a shaft.

7. The rapid detection device for pesticide residues based on local contact infiltration according to claim 1, characterized in that: A guide plate (16) is arranged inside the collection box (5), one side wall of the guide plate (16) is arranged to abut against the vertical plate of the filter frame (6), the other three side walls of the guide plate (16) are fixedly connected to the inner wall of the collection box (5), and the upper surface of the guide plate (16) is arranged to be inclined downward adjacent to one side of the filter frame (6).

8. The rapid detection device for pesticide residues based on local contact infiltration according to claim 1, characterized in that: Two rolling gears (17) are arranged on the upper side of the interior of the collection box (5), and the two rolling gears (17) are meshed with each other. The two ends of the rolling gears (17) are screwed to the front and rear inner walls of the collection box (5) through a shaft rod. A rolling motor (18) is fixed to one side wall of the collection box (5), and the output shaft of the rolling motor (18) is fixedly connected to the shaft rod on one of the rolling gears (17).

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