Pesticide residue sampling device

Abstract

The utility model relates to the field of pesticide residue detection, and provides a pesticide residue sampling device which comprises a bottom plate, one end of the top surface of the bottom plate is fixedly provided with a crusher through a support plate I, the inner side of the crusher is rotatably provided with a stirring rod and a crushing cutter, and the other end of the top surface of the bottom plate is fixedly provided with a centrifuge through a support plate II; a stirring rod and a crushing cutter are arranged on the inner side of the crusher, the stirring rod rotates to scatter a sample, the crushing cutter rotates to crush the fruit and vegetable sample, and the fruit and vegetable sample can be crushed, so that the crushing efficiency of the fruit and vegetable sample is improved, and the crushing efficiency of the fruit and vegetable sample is improved. The sample is refined more thoroughly; and a centrifugal barrel in the centrifuge rotates, so that the crushed sample is better separated, the speed is higher, and the efficiency is higher.

Description

Technical Field

[0001] The utility model belongs to the field of pesticide residue detection and relates to a pesticide residue sampling device. Background Art

[0002] Pesticide residue refers to the phenomenon that after pesticides are applied in agricultural production, some pesticides remain directly or indirectly in grains, vegetables, fruits, livestock products, aquatic products, as well as in soil and water.

[0003] When testing for pesticide residues, it is necessary to sample agricultural products, crush them to form a solid-liquid mixture, add reaction reagents, and compare them with standard data to determine the amount of pesticide residues. When the agricultural products are crushed, the test results may not be accurate due to insufficient crushing. At the same time, when separating the crushed samples, the separation efficiency through the filter is low. Utility Model Content

[0004] The utility model aims to provide a pesticide residue sampling device, which solves the problem that when detecting pesticide residues, agricultural products need to be sampled, the amount of pesticide residues is determined by crushing the agricultural products to form a solid-liquid mixture, adding reaction reagents, and comparing standard data. When the agricultural products are crushed, the detection results are not accurate enough due to insufficient crushing. At the same time, when separating the crushed samples, the separation efficiency through the filter is low.

[0005] The technical solution of the utility model is achieved as follows: it includes a bottom plate, a crusher is fixedly installed on one end of the top surface of the bottom plate through a support plate one, a stirring rod and a crushing knife are rotatably installed on the inner side of the crusher, a centrifuge is fixedly installed on the other end of the top surface of the bottom plate through a support plate two, a centrifuge bucket is rotatably installed on the inner side of the centrifuge, collecting boxes are placed on the inner sides of the two support plates two, a sampling tube is installed in the middle of the collecting box, the support plates one and two are fixedly installed on the top surface of the bottom plate by welding, the centrifuge bucket is made of stainless steel material, and a plurality of circular holes are arranged on the circumference, the main body material of the sampler is glass material, and a rubber bag is installed at the rear.

[0006] As a preferred solution of the utility model, a rotating shaft is rotatably installed inside the crusher, and a plurality of stirring rods and a plurality of crushing knives are fixedly installed outside the rotating shaft. The stirring rods and crushing knives are fixedly installed on the circumferential outer side of the rotating shaft by welding.

[0007] As a preferred solution of the utility model, a reducer is fixedly installed at one end of the top of the crusher, a motor is installed on the top of the reducer, a rotating shaft is connected to the bottom of the reducer, a plurality of gears are installed inside the reducer, the outer sides of the gears are hardened, and a heat dissipation channel is provided on the outer side of the circumference of the motor, which can increase the contact area with the air and accelerate the heat dissipation.

[0008] As a preferred solution of the utility model, a feed port is installed at the other end of the top of the crusher, a switch is installed at the bottom of the crusher, an input pipe is installed at the bottom of the switch, the feed port is fixedly installed at the other end of the top of the crusher by welding, and the switch is electromagnetically controlled.

[0009] As a preferred solution of the utility model, a delivery pipe and a rotating column are rotatably installed in the middle of the centrifuge, and the delivery pipe and the rotating column are respectively arranged at the two outer ends of the centrifuge barrel, and the delivery pipe and the rotating column are respectively fixedly installed at the two outer ends of the centrifuge barrel by welding.

[0010] As a preferred solution of the utility model, a second motor is fixedly mounted on the outer side of the second support plate through a fixed seat, a driving wheel is fixedly mounted on the rotating end of the second motor, and a heat dissipation channel is provided on the circumferential outer side of the second motor, which can increase the contact area with the air and accelerate the heat dissipation.

[0011] As a preferred solution of the utility model, the driving wheel is rotatably mounted with a driven wheel via a belt, the driven wheel is fixedly mounted on the outer end of the rotating column, and an anti-skid layer is provided on the circumferential outer side of the driving wheel and the driven wheel.

[0012] As a preferred solution of the utility model, a funnel is fixedly installed in the middle of the bottom surface of the centrifuge, the funnel is located above the collecting box, and an oblique circular hole is provided in the middle of the funnel for placing a sampler.

[0013] The utility model provides a pesticide residue sampling device with beneficial effects: the utility model is provided with a stirring rod and a crushing knife on the inner side of the crusher, the stirring rod is rotated to break up the sample, and the rotation of the crushing knife is utilized to crush the fruit and vegetable samples, so that the sample is refined more thoroughly; the centrifuge is arranged, and the centrifugal barrel inside thereof is rotated, so that the crushed sample is separated better, faster and more efficiently. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an overall structural diagram of an embodiment of the utility model;

[0015] Figure 2 This is a structural diagram of a crusher according to an embodiment of the utility model;

[0016] Figure 3 This is a structural diagram of a crushing component in an embodiment of the utility model;

[0017] Figure 4 This is a structural diagram of a centrifuge according to an embodiment of the utility model;

[0018] Figure 5 This is a power structure diagram of a centrifugal device according to an embodiment of the utility model;

[0019] Figure 6 It is a sampling structure diagram of an embodiment of the utility model;

[0020] In the figure: 1, bottom plate; 2, crusher; 3, support plate 1; 4, support plate 2; 5, collecting box; 6, centrifuge; 7, reducer; 8, motor 1; 9, feed port; 10, input pipe; 11, switch; 12, rotating shaft; 13, stirring rod; 14, crushing knife; 15, conveying pipe; 16, centrifugal bucket; 17, fixed seat; 18, motor 2; 19, funnel; 20, driving wheel; 21, belt; 22, driven wheel; 23, rotating column; 24, sampling tube. DETAILED DESCRIPTION

[0021] like Figures 1 to 6 As shown, the utility model discloses a pesticide residue sampling device, which adopts the technical scheme of comprising a bottom plate 1, a crusher 2 is fixedly installed on one end of the top surface of the bottom plate 1 through a support plate 1 3, a stirring rod 13 and a crushing knife 14 are rotatably installed inside the crusher 2, a centrifuge 6 is fixedly installed on the other end of the top surface of the bottom plate 1 through a support plate 2 4, a centrifuge bucket 16 is rotatably installed inside the centrifuge 6, a collecting box 5 is placed inside the two support plates 2 4, a sampling tube 24 is installed in the middle of the collecting box 5, the utility model is provided with a stirring rod 13 and a crushing knife 14 on the inner side of the crusher 2, the rotation of the stirring rod 13 breaks up the sample, and the rotation of the crushing knife 14 is utilized to realize the crushing of the fruit and vegetable sample, so that the sample is more thoroughly refined; the centrifuge 6 is provided, and the centrifuge bucket 16 inside it rotates, so that the crushed sample is better separated, faster and more efficient.

[0022] A rotating shaft 12 is rotatably mounted inside the crusher 2, and a plurality of stirring rods 13 and a plurality of crushing knives 14 are fixedly mounted outside the rotating shaft 12. The rotating shaft 12 is used to rotate the plurality of stirring rods 13 and the plurality of crushing knives 14 to achieve mixing and crushing operations respectively.

[0023] A reducer 7 is fixedly installed at one end of the top of the crusher 2, a motor 8 is installed on the top of the reducer 7, and a rotating shaft 12 is connected to the bottom of the reducer 7. The motor 8 rotates, and the torque is changed through the reducer 7 to rotate the rotating shaft 12.

[0024] A feed port 9 is installed at the other end of the top of the crusher 2, a switch 11 is installed at the bottom of the crusher 2, an input pipe 10 is installed at the bottom of the switch 11, the feed port 9 is used to put in the sampled raw materials, and the switch 11 controls the opening and closing to realize the opening and closing of the input pipe 10, thereby realizing the discharge of the crushed sample.

[0025] A delivery pipe 15 and a rotating column 23 are rotatably installed in the middle of the centrifuge 6. The delivery pipe 15 and the rotating column 23 are respectively arranged at the two outer ends of the centrifuge bucket 16. The delivery pipe 15 and the rotating column 23 rotate at both ends of the centrifuge 6 to rotate the centrifuge bucket 16.

[0026] A second motor 18 is fixedly mounted on the outer side of the second support plate 4 through a fixing seat 17 , and a driving wheel 20 is fixedly mounted on the rotating end of the second motor 18 . The second motor 18 rotates to drive the driving wheel 20 to rotate.

[0027] The driving wheel 20 is rotatably mounted with a driven wheel 22 via a belt 21 . The driven wheel 22 is fixedly mounted on the outer end of a rotating column 23 . The driving wheel 20 rotates, and the belt 21 is used to transmit the power to the driven wheel 22 .

[0028] A funnel 19 is fixedly installed in the middle of the bottom surface of the centrifuge 6. The funnel 19 is located above the collecting box 5. The funnel 19 is used to discharge the liquid after centrifugation. The collecting box 5 is used to collect the fallen liquid. A cleaning plate is installed in the middle of the circumference of the centrifugal barrel 16. The cleaning plate is opened to clean the inside of the centrifugal barrel 16.

[0029] The working principle of this pesticide residue sampling device: When a pesticide residue sampling device is in use, the sampled raw materials are put into the feed port 9, the motor 8 is turned on, the motor 8 rotates, and the transmission is transmitted through the reducer 7, the rotating shaft 12 rotates, so that multiple stirring rods 13 and multiple crushing knives 14 rotate, the stirring rods 13 stir and mix the raw materials, and the crushing knives 14 crush the raw materials. After completion, turn on the switch 11, the input pipe 10 is opened, and the crushed sample is sent from the conveying pipe 15 to the centrifugal barrel 16, the motor 18 rotates, the driving wheel 20 rotates, and the transmission is transmitted through the belt 21. The driven wheel 22 rotates, so that the centrifugal barrel 16 rotates inside the centrifuge 6, and the sample is centrifugally separated. The liquid is discharged from the funnel 19 and enters the collection box 5. The sample is taken out through the sampler 24, and after mixing with the reagent, the pesticide residue is detected.

[0030] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.

Claims

1. A pesticide residue sampling device, characterized in that: The invention comprises a bottom plate (1), a crusher (2) being fixedly mounted on one end of the top surface of the bottom plate (1) via a first support plate (3), a stirring rod (13) and a crushing knife (14) being rotatably mounted on the inner side of the crusher (2), a centrifuge (6) being fixedly mounted on the other end of the top surface of the bottom plate (1) via a second support plate (4), a centrifuge bucket (16) being rotatably mounted on the inner side of the centrifuge (6), a collecting box (5) being placed on the inner side of the two second support plates (4), a sampling tube (24) being mounted in the middle of the collecting box (5).

2. A pesticide residue sampling device according to claim 1, characterized in that: A rotating shaft (12) is rotatably mounted inside the crusher (2), and a plurality of stirring rods (13) and a plurality of crushing knives (14) are fixedly mounted outside the rotating shaft (12).

3. A pesticide residue sampling device according to claim 2, characterized in that: A reducer (7) is fixedly mounted on one end of the top of the crusher (2), a motor (8) is mounted on the top of the reducer (7), and a rotating shaft (12) is connected to the bottom of the reducer (7).

4. A pesticide residue sampling device according to claim 1, characterized in that: A feed port (9) is installed at the other end of the top of the crusher (2), a switch (11) is installed at the bottom of the crusher (2), and an input pipe (10) is installed at the bottom of the switch (11).

5. A pesticide residue sampling device according to claim 1, characterized in that: A delivery pipe (15) and a rotating column (23) are rotatably mounted in the middle of the centrifuge (6); the delivery pipe (15) and the rotating column (23) are respectively arranged at two outer ends of the centrifuge barrel (16).

6. A pesticide residue sampling device according to claim 5, characterized in that: A second motor (18) is fixedly mounted on the outer side of the second support plate (4) via a fixing seat (17), and a driving wheel (20) is fixedly mounted on the rotating end of the second motor (18).

7. A pesticide residue sampling device according to claim 6, characterized in that: The driving wheel (20) is rotatably mounted with a driven wheel (22) via a belt (21), and the driven wheel (22) is fixedly mounted on the outer end of a rotating column (23).

8. A pesticide residue sampling device according to claim 1, characterized in that: A funnel (19) is fixedly mounted in the middle of the bottom surface of the centrifuge (6), and the funnel (19) is located above the collection box (5).

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