Pretreatment device suitable for pesticide detection

Abstract

The utility model discloses a pretreatment device suitable for pesticide detection. The pretreatment device comprises a pretreatment box, a smashing assembly, a grinding assembly, a filtering assembly and a cleaning assembly. A feeding opening is formed in the top of the pretreatment box, a water outlet pipe is installed at the bottom of the left side of the pretreatment box in a communicating mode, the interior of the pretreatment box is divided into a smashing chamber, a grinding chamber and a filtering chamber from top to bottom, and the smashing assembly comprises a first motor and two sets of smashing rollers which are located in the smashing chamber and arranged side by side; the first motor drives the two smashing rollers to rotate relatively to achieve smashing. The device has the beneficial effects that agricultural products are crushed, ground, crushed and centrifugally filtered, so that the agricultural products are fully crushed, the separated juice does not contain pulp or peel residues, the influence of the pulp or peel residues on the detection result is avoided, and the detection accuracy is further improved; smashing, grinding and centrifugal filtration are integrated, only agricultural products need to be put, operation is easy and convenient, and the detection speed is increased.

Description

Technical Field

[0001] The utility model relates to the technical field related to pesticide detection, and more specifically, to a pretreatment device suitable for pesticide detection. Background Art

[0002] The existing method for testing pesticides in agricultural products is generally to squeeze the agricultural products to extract juice for testing.

[0003] The utility model with the publication number CN217164647U disclosed a pretreatment device suitable for pesticide detection, which explained that the utility model can crush agricultural products, extract the juice inside them, and detect the pesticide residues inside the agricultural products. However, in actual use, there are still the following shortcomings:

[0004] 1. In the above-mentioned prior art, the agricultural products to be tested are crushed by stirring blades, but the crushing is not sufficient, and there will be pulp or peel residue in the mixture after crushing. Directly using the mixture for testing may affect the test results;

[0005] 2. In the above-mentioned prior art, when testing agricultural products, they are placed in a basket and then a protective cover is screwed on. When other agricultural products are replaced after being crushed, the protective cover needs to be opened and the protective cover needs to be screwed on again after the agricultural products are placed. The cumbersome operation reduces the detection speed; and there is no cleaning device. When different agricultural products are replaced, if they are not cleaned in the middle, it will affect the detection results. Utility Model Content

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a pretreatment device suitable for pesticide detection.

[0007] To solve the above problems, the utility model adopts the following technical solutions.

[0008] A pretreatment device suitable for pesticide detection comprises a pretreatment box, a crushing component, a grinding component, a filtering component and a cleaning component.

[0009] The top of the pretreatment box is provided with a feed inlet, the bottom of the left side of the pretreatment box is connected with a water outlet pipe, and the interior of the pretreatment box is divided into a crushing chamber, a grinding chamber and a filtering chamber from top to bottom.

[0010] The crushing assembly includes a motor 1 and two groups of crushing rollers arranged side by side in the crushing chamber, and the motor 1 drives the two crushing rollers to rotate relative to each other to achieve crushing; the grinding chamber is divided into a plurality of grinding chambers connected to the filtering chamber, and the grinding assembly includes a motor 2 and a plurality of grinding rollers located in each grinding chamber, and the motor 2 drives the grinding rollers to rotate to achieve grinding; the filtering assembly includes a bracket rotatably arranged in the filtering chamber, a motor 3 is installed on the bracket, a filter cartridge is fixedly arranged on the output shaft of the motor 3, and the motor 3 drives the filter cartridge to rotate to achieve filtering; the cleaning assembly includes a water supply pipe installed in the mixing chamber, a plurality of evenly distributed high-pressure nozzles are installed on the water supply pipe, and the water supply pipe is connected to an external water source and the high-pressure nozzles spray water for cleaning.

[0011] Furthermore, the crushing assembly also includes a connecting frame fixedly arranged on the outside of the pretreatment box, one end of the two groups of crushing rollers penetrates to the outside of the pretreatment box and can rotate between the pretreatment box, and one end of the two groups of crushing rollers located on the outside of the pretreatment box is fixedly sleeved with a toothed disk, the two toothed disks are meshed with each other, and the output shaft of the motor is connected to one of the crushing rollers.

[0012] Furthermore, the two groups of crushing rollers are both fixedly sleeved with crushing knives, and the crushing knives on the two groups of crushing rollers are staggered.

[0013] Furthermore, the grinding assembly also includes a plurality of rotating shafts rotatably arranged in the grinding chamber, the grinding roller is fixedly sleeved on the outer wall of the rotating shaft, one end of the rotating shaft passes through the outside of the pretreatment box and is fixedly sleeved with a sprocket, a chain is arranged for transmission between the plurality of sprockets, and the motor 2 is installed on the outside of the pretreatment box and its output shaft is connected to one of the rotating shafts.

[0014] Furthermore, the filter chamber is fixedly provided with a funnel, and the funnel is provided with an upper opening and a side opening, the upper opening completely wraps all the grinding chambers, and the side opening is located at the top of the filter cartridge.

[0015] Furthermore, a connecting shaft and a rotating shaft located above the connecting shaft are fixedly provided on both sides of the bracket, and the rotating shaft is rotatably connected between one end of the bracket away from the bracket and the inner wall of the pretreatment box, and a connecting ring is rotatably provided on the connecting shaft, and a telescopic rod hinged to the inner wall of the pretreatment box is provided in the filter chamber, and the movable end of the telescopic rod is connected to the connecting ring.

[0016] Furthermore, a waterproof cover is fixedly arranged on the bracket, and the motor three is installed in the waterproof cover.

[0017] Furthermore, a baffle is inserted into the feed port at the top of the pretreatment box, and the baffle blocks the feed port and the high-pressure nozzle.

[0018] Compared with the prior art, the advantages of the present invention are:

[0019] 1. The agricultural products are crushed, ground, pulverized and centrifugally filtered to ensure that they are fully broken and the separated juice does not contain pulp or peel residues, thus preventing pulp or peel residues from affecting the test results and thus improving the accuracy of the test.

[0020] 2. Crushing, grinding and centrifugal filtration are integrated. You only need to put in agricultural products. The operation is simple and convenient, which improves the detection speed.

[0021] 3. The water supply pipe is connected to the external water source and water is sprayed out by the high-pressure nozzle. The water flows from top to bottom to wash the crushing roller, crushing knife, grinding roller and filter cartridge in turn. The two groups of agricultural products do not affect each other, avoiding the impact of not cleaning on the test results. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0023] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model as a whole;

[0024] Figure 3 It is a three-dimensional structural schematic diagram of the crushing component of the utility model;

[0025] Figure 4 It is a three-dimensional structural schematic diagram of the grinding assembly of the utility model;

[0026] Figure 5 It is a partial cross-sectional structural schematic diagram of the filter assembly of the utility model;

[0027] Figure 6 It is a three-dimensional structural schematic diagram of the funnel of the utility model;

[0028] Figure 7 It is a schematic diagram of the planar cross-sectional structure of the grinding assembly of the utility model.

[0029] Description of the numbers in the figure:

[0030] 1. Pretreatment box; 2. Feed inlet; 3. Water outlet pipe; 4. Crushing chamber; 5. Grinding chamber; 6. Filter chamber; 7. Motor 1; 8. Crushing roller; 9. Connecting frame; 10. Toothed disc; 11. Crushing tool; 12. Grinding chamber; 13. Motor 2; 14. Grinding roller; 15. Rotating shaft; 16. Sprocket; 17. Chain; 18. Bracket; 19. Motor 3; 20. Filter cartridge; 21. Connecting shaft; 22. Connecting ring; 23. Telescopic rod; 24. Waterproof cover; 25. Water supply pipe; 26. High-pressure nozzle; 27. Funnel; 28. Upper opening; 29. ​​Side opening; 210. Rotating shaft; 30. Baffle. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention;

[0032] See also Figures 1 to 7 In the utility model, a pretreatment device suitable for pesticide detection includes a pretreatment box 1, a crushing component, a grinding component, a filtering component and a cleaning component.

[0033] The top of the pretreatment box 1 is provided with a feed inlet 2, and the bottom of the left side of the pretreatment box 1 is connected to a water outlet pipe 3. The interior of the pretreatment box 1 is divided from top to bottom into a crushing chamber 4, a grinding chamber 5 and a filtering chamber 6.

[0034] The crushing assembly includes a motor 7 and two groups of crushing rollers 8 arranged side by side in the crushing chamber 4, and the motor 7 drives the two crushing rollers 8 to rotate relative to each other to achieve crushing; the grinding chamber 5 is divided into a plurality of grinding chambers 12 connected to the filtering chamber 6, and the grinding assembly includes a motor 2 13 and a plurality of grinding rollers 14 located in each grinding chamber 12, and the motor 2 13 drives the grinding rollers 14 to rotate to achieve grinding; the filtering assembly includes a bracket 18 rotatably arranged in the filtering chamber 6, a motor 3 19 is installed on the bracket 18, a filter cartridge 20 is fixedly arranged on the output shaft of the motor 3 19, and the motor 3 19 drives the filter cartridge 20 to rotate to achieve filtering; the cleaning assembly includes a water supply pipe 25 installed in the mixing chamber, and a plurality of evenly distributed high-pressure nozzles 26 are installed on the water supply pipe 25, and the water supply pipe 25 is connected to an external water source and the high-pressure nozzles 26 spray water for cleaning.

[0035] In this embodiment, preferably, the crushing assembly also includes a connecting frame 9 fixedly arranged on the outside of the pretreatment box 1, one end of the two groups of crushing rollers 8 penetrates the outside of the pretreatment box 1 and can rotate between the pretreatment box 1, and the ends of the two groups of crushing rollers 8 located on the outside of the pretreatment box 1 are fixedly sleeved with a toothed disk 10, and the two toothed disks 10 are meshed with each other, and the output shaft of the motor 7 is connected to one of the crushing rollers 8, and the two groups of crushing rollers 8 are fixedly sleeved with crushing knives 11, and the crushing knives 11 on the two groups of crushing rollers 8 are staggered.

[0036] Specifically, the motor 7 drives one of the crushing rollers 8 to rotate, and the crushing roller 8 drives the other crushing roller 8 to rotate through two mutually meshing gears. The two crushing rollers 8 rotate in opposite directions, and the crushing knives on the crushing rollers 8 crush the agricultural products.

[0037] In this embodiment, preferably, the grinding assembly further includes a plurality of rotating shafts 15 rotatably arranged in the grinding chamber 5, the grinding roller 14 is fixedly sleeved on the outer wall of the rotating shaft 15, one end of the rotating shaft 15 passes through the outside of the pretreatment box 1 and is fixedly sleeved with a sprocket 16, a chain 17 is arranged for transmission between the plurality of sprockets 16, and the motor 2 13 is installed on the outside of the pretreatment box 1 and its output shaft is connected to one of the rotating shafts 15;

[0038] Specifically, the motor 2 13 drives one of the rotating shafts 15 to rotate, and the rotating shaft 15 drives the sprocket 16 connected thereto to rotate. The sprocket 16 drives the remaining sprockets 16 to rotate along with it through the transmission of the chain 17 and drives the remaining rotating shafts 15 to rotate. The grinding roller 14 sleeved on the rotating shaft 15 rotates along with it and cooperates with the grinding chamber 12 to grind and crush the crushed agricultural products.

[0039] In this embodiment, preferably, the filter chamber 6 is fixedly provided with a funnel 27, and the funnel 27 is provided with an upper opening 28 and a side opening 29, the upper opening 28 completely covers all the grinding chambers 12, and the side opening 29 is located at the top of the filter cartridge 20;

[0040] Specifically, the funnel 27 plays a transfer role, transferring the ground and pulverized agricultural products into the filter cartridge 20 .

[0041] In this embodiment, preferably, a connecting shaft 21 and a rotating shaft 210 located above the connecting shaft 21 are fixedly provided on both sides of the bracket 18, and the rotating shaft 210 is rotatably connected between the end of the bracket 18 away from the bracket and the inner wall of the pretreatment box 1, and a connecting ring 22 is rotatably provided on the connecting shaft 21, and a telescopic rod 23 hinged to the inner wall of the pretreatment box 1 is provided in the filter chamber 6, and the movable end of the telescopic rod 23 is connected to the connecting ring 22;

[0042] Specifically, the telescopic rod 23 can be intelligently controlled, and its control method is publicly available and will not be described in detail. The telescopic rod 23 can pull the bracket 18 through the connecting ring 22 to rotate the filter cartridge 20 until the opening is tilted downward, which is convenient for subsequent cleaning of the filter cartridge 20.

[0043] In this embodiment, preferably, a waterproof cover 24 is fixedly provided on the bracket 18, and the motor 3 19 is installed in the waterproof cover 24;

[0044] Specifically, the waterproof cover 24 provides waterproof protection for the motor 3 19 .

[0045] In this embodiment, preferably, a baffle 30 is inserted into the feed port 2 at the top of the pretreatment box 1, and the baffle 30 blocks the feed port 2 and the high-pressure nozzle 26;

[0046] Specifically, the baffle 30 can ensure that the agricultural products entering the grinding chamber 4 through the feed inlet 2 will not collide with the high-pressure nozzle 26, and the baffle 30 is removed during cleaning.

[0047] The working principle and use process of this utility model:

[0048] The agricultural products to be processed are put into the crushing chamber 4 of the pretreatment box 1 from the feed port 2, and the motor 1 7 drives the crushing roller 8 connected thereto to rotate, and drives another crushing roller 8 to rotate through the gear, and the crushing knife on the crushing roller 8 crushes the agricultural products, and the crushed agricultural products automatically fall into the grinding chamber 5, and the motor 2 13 drives the rotating shaft 15 connected thereto to rotate, and drives the remaining rotating shafts 15 to rotate through the sprocket 16 and the chain 17, so that the grinding roller 14 follows the rotation and cooperates with the grinding chamber 12 to grind and crush the crushed agricultural products; after the grinding and crushing, the funnel 27 transfers them to the filter cartridge 20, and the motor 3 19 drives the filter cartridge 20 to rotate, and uses the centrifugal force to throw the juice out of the filter cartridge 20 and discharge it from the outlet pipe 3 for collection and detection.

[0049] The agricultural products are crushed fully after being crushed, ground, and centrifugally filtered, and the separated juice does not contain pulp or peel residues, thereby avoiding the influence of pulp or peel residues on the detection results, thereby improving the accuracy of the detection; in the above process, crushing, grinding, and centrifugal filtration are integrated, and only agricultural products need to be put in, which is simple and convenient to operate, and the detection speed is improved; and when two groups of different agricultural products are crushed, the telescopic rod 23 can pull the bracket 18 through the connecting ring 22 to rotate the filter cartridge 20 to the opening tilted downward, the water supply pipe 25 is connected to the external water source and water is sprayed by the high-pressure nozzle 26, and the water flow flushes the crushing roller 8, the crushing knife 11, the grinding roller 14 and the filter cartridge 20 from top to bottom in turn, and the front and rear groups of agricultural products do not affect each other, avoiding the influence of not cleaning on the detection results.

[0050] The electronic components and modules used in the content of this utility model can all be parts that are commonly used in the market and can realize the specific functions in this case, and the specific models and sizes can be selected and adjusted according to actual needs. The electronic components and modules are all connected to an external power supply and a control switch for use. Their specific circuit connection methods and methods of use are commonly used public technologies and will not be elaborated on here.

[0051] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A pretreatment device suitable for pesticide detection, characterized in that: include: A pretreatment box (1), wherein a feed inlet (2) is provided at the top of the pretreatment box (1), a water outlet pipe (3) is connected to the bottom of the left side of the pretreatment box (1), and the interior of the pretreatment box (1) is divided from top to bottom into a crushing chamber (4), a grinding chamber (5) and a filtering chamber (6); A crushing assembly, the crushing assembly comprising a motor (7) and two groups of crushing rollers (8) arranged side by side in a crushing chamber (4), wherein the motor (7) drives the two crushing rollers (8) to rotate relative to each other to achieve crushing; A grinding assembly, wherein the grinding chamber (5) is divided into a plurality of grinding chambers (12) connected to the filter chamber (6), and the grinding assembly comprises a second motor (13) and a plurality of grinding rollers (14) located in each grinding chamber (12), wherein the second motor (13) drives the grinding rollers (14) to rotate to achieve grinding; A filter assembly, the filter assembly comprising a bracket (18) rotatably arranged in a filter chamber (6), a motor (19) being mounted on the bracket (18), a filter cartridge (20) being fixedly arranged on an output shaft of the motor (19), and the motor (19) driving the filter cartridge (20) to rotate to achieve filtering; A cleaning component, the cleaning component comprising a water supply pipe (25) installed in the mixing chamber, a plurality of evenly distributed high-pressure nozzles (26) installed on the water supply pipe (25), the water supply pipe (25) being connected to an external water source and the high-pressure nozzles (26) spraying water for cleaning.

2. A pretreatment device suitable for pesticide detection according to claim 1, characterized in that: The crushing assembly also includes a connecting frame (9) fixedly arranged on the outside of the pretreatment box (1), one end of the two groups of crushing rollers (8) penetrates the outside of the pretreatment box (1) and is rotatable between the pretreatment box (1), and one end of the two groups of crushing rollers (8) located on the outside of the pretreatment box (1) is fixedly sleeved with a toothed disk (10), the two toothed disks (10) are meshed with each other, and the output shaft of the motor 1 (7) is connected to one of the crushing rollers (8).

3. A pretreatment device suitable for pesticide detection according to claim 1, characterized in that: The two groups of crushing rollers (8) are both fixedly sleeved with crushing knives (11), and the crushing knives (11) on the two groups of crushing rollers (8) are arranged in a staggered manner.

4. A pretreatment device suitable for pesticide detection according to claim 1, characterized in that: The grinding assembly also includes a plurality of rotating shafts (15) rotatably arranged in the grinding chamber (5); the grinding roller (14) is fixedly sleeved on the outer wall of the rotating shaft (15); one end of the rotating shaft (15) passes through the outer side of the pretreatment box (1) and is fixedly sleeved with a sprocket (16); a chain (17) is arranged between the plurality of sprockets (16) for transmission; the second motor (13) is installed on the outer side of the pretreatment box (1) and its output shaft is connected to one of the rotating shafts (15).

5. A pretreatment device suitable for pesticide detection according to claim 1, characterized in that: The filter chamber (6) is fixedly provided with a funnel (27), and the funnel (27) is provided with an upper opening (28) and a side opening (29), wherein the upper opening (28) completely surrounds all the grinding chambers (12), and the side opening (29) is located at the top of the filter cartridge (20).

6. A pretreatment device suitable for pesticide detection according to claim 1, characterized in that: A connecting shaft (21) and a rotating shaft (210) located above the connecting shaft (21) are fixedly arranged on both sides of the bracket (18); one end of the rotating shaft (210) away from the bracket (18) is rotatably connected to the inner wall of the pretreatment box (1); a connecting ring (22) is rotatably arranged on the connecting shaft (21); a telescopic rod (23) hinged to the inner wall of the pretreatment box (1) is arranged in the filter chamber (6); and a movable end of the telescopic rod (23) is connected to the connecting ring (22).

7. A pretreatment device suitable for pesticide detection according to claim 1, characterized in that: A waterproof cover (24) is fixedly arranged on the bracket (18), and the motor three (19) is installed in the waterproof cover (24).

8. A pretreatment device suitable for pesticide detection according to claim 1, characterized in that: A baffle (30) is inserted into the feed port (2) at the top of the pretreatment box (1), and the baffle (30) blocks the feed port (2) and the high-pressure nozzle (26).

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