Agricultural product pesticide residue extraction device

Abstract

The utility model belongs to the field of plant extracts, particularly relates to an agricultural product pesticide residue extraction device, and provides the following scheme aiming at the problems that the existing device is large in size and poor in portability and needs to be equipped with crushing equipment for crushing. The sealing cover is in threaded connection with the bottom of the extraction barrel; the U-shaped frame is fixedly connected to the top end of the extraction barrel; the supporting plate is fixedly connected to the bottom end of the inner side of the U-shaped frame; the piston cylinder is connected to the interior of the extraction cylinder in a sliding manner; the crushing assembly comprises an auxiliary chain wheel, a rotating shaft and a crushing cutter, the piston barrel can be driven to move up and down through transmission of the structure, multiple structures are concentrated on the inner sides of the extraction barrel and the U-shaped frame, the size of the device can be reduced, carrying is convenient, agricultural products can be crushed through the crushing cutter, and the dual functions of crushing and extraction are achieved; and crushing equipment does not need to be arranged, so that the equipment convenience is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to plant extract technology field especially relates to a kind of agricultural product drug residue extraction device. BACKGROUND

[0002] Agricultural product drug residue detection is of great significance to protect human health, protect ecological environment, improve agricultural product quality, meet legal and regulatory requirements and promote sustainable agricultural development. Agricultural products such as mulberry branches, mulberry leaves, purslane, perilla, mango leaves, radix polygoni multiflori, and houttuynia cordata need to be tested for pesticide residues before use. The extraction step is one of the key steps for detecting drug residues. The prior art discloses a scheme for extracting agricultural product drug residues using an agricultural product drug residue extraction device. For example, Chinese patent document CN221377269U discloses a labor-saving agricultural product surface drug residue extraction device.

[0003] The above technical solution solves the problem of easy portability, but the extraction efficiency is low and the practicality is not strong because it can only add solvent for extraction. For mulberry branches, mulberry leaves, purslane, perilla, mango leaves, radix polygoni multiflori, and houttuynia cordata, the extraction efficiency of the solvent needs to be improved by pre-crushing. SUMMARY

[0004] The utility model aims at solving the shortcomings of large size, poor portability and the need for a crushing device in the prior art, and proposes an agricultural product drug residue extraction device.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An agricultural product drug residue extraction device includes

[0007] An extraction cylinder;

[0008] A sealing cap is threadedly connected to the bottom of the extraction cylinder;

[0009] A U-shaped bracket is fixedly connected to the top end of the extraction cylinder;

[0010] A support plate is fixedly connected to the bottom end of the inner side of the U-shaped bracket;

[0011] A piston cylinder is slidingly connected to the inside of the extraction cylinder;

[0012] A crushing assembly includes a secondary sprocket, a shaft and a crushing knife. The shaft is keyed to the top end of the secondary sprocket, and the bottom end of the shaft is fixedly connected to the handle of the crushing knife.

[0013] A power mechanism is connected to the secondary sprocket;

[0014] The lifting mechanism is connected with the piston cylinder, and is used for driving the piston cylinder to lift, and the transmission structure can drive the piston cylinder to move up and down, the multiple structures are concentrated on the inner side of the extraction cylinder and the U-shaped frame, the size of the device can be reduced, and the device is convenient to carry, the agricultural products can be crushed through the crushing knife, the crushing and extraction functions are realized, and therefore, the crushing equipment is not needed, and the convenience of the device is enhanced.

[0015] As a preferred scheme of the utility model, the power mechanism includes a power motor, a main sprocket and a chain, the output end of the power motor is keyed to the shaft center of the main sprocket, the teeth of the main sprocket are engaged with the inner side of the chain, the inner side of the chain is engaged with the teeth of the secondary sprocket, the power supply of the power motor is connected, the power motor is controlled by a motor controller, the power motor can drive the main sprocket to rotate, the main sprocket can drive the chain to rotate, the chain can drive the secondary sprocket to rotate, and the size of the main sprocket is greater than that of the secondary sprocket, so that the secondary sprocket can be accelerated.

[0016] As a preferred scheme of the utility model, the surface of the power motor is fixedly connected with the inside of the piston cylinder, the top end of the surface of the rotating shaft is rotatably sleeved with the hole in the bottom of the piston cylinder, the power motor is fixed by the piston cylinder, and the top of the piston cylinder can be provided with a heat dissipation hole to dissipate heat for the power motor, the rotating shaft is rotatably arranged with the piston cylinder through a bearing, and the bottom end of the rotating shaft extends to the bottom of the piston cylinder.

[0017] As a preferred scheme of the utility model, the lifting mechanism includes a small motor, a lead screw and a square rod, the output end of the small motor is keyed to the top end of the lead screw, the surface of the lead screw is threadedly connected with the screw hole of the square rod, and the bottom end of the square rod is fixedly connected with the top end of the piston cylinder, the power supply of the small motor is connected, the small motor is controlled by a motor controller, the small motor can drive the lead screw to rotate, the lead screw can drive the square rod to move upwards, and the square rod can drive the piston cylinder to move upwards.

[0018] As a preferred scheme of the utility model, the surface of the small motor is fixedly connected with the inner side of the U-shaped frame, the surface of the square rod is slidably connected with the hole of the supporting plate, the small motor is fixed by the partition plate in the inner side of the U-shaped frame, the small motor drives the lead screw to rotate, the lead screw is rotatably arranged with the partition plate through a bearing, and the square rod is slidably arranged with the supporting plate through a sliding rail.

[0019] As a preferred scheme of the utility model, the surface of the sealing cover is fixedly connected with a handle, and the groove in the surface of the piston cylinder is sleeved with a sealing ring, so that the handle facilitates the user to rotate the sealing cover, the extraction cylinder is conveniently sealed, and the sealing ring can seal the space between the piston cylinder and the extraction cylinder. Advantages

[0020] 1. The lifting mechanism can drive the piston cylinder to move. The piston cylinder moves up and down inside the extraction cylinder, which can be used for extraction and reduce the size of the entire device.

[0021] 2. The power mechanism can drive the secondary sprocket to rotate, the secondary sprocket can drive the rotating shaft to rotate, the rotating shaft can drive the crushing blade to rotate, and the crushing blade can crush the agricultural products inside the extraction cylinder;

[0022] In this invention, the piston cylinder can be moved up and down through the transmission of the structure, and multiple structures are condensed inside the extraction cylinder and the U-shaped frame, which can reduce the size of the device and make it easy to carry. Moreover, the crushing blade can crush agricultural products, realizing the dual functions of crushing and extraction, so there is no need to equip it with crushing equipment, thus enhancing the convenience of the equipment. Attached Figure Description

[0023] Figure 1 This is a perspective view of the entire utility model;

[0024] Figure 2 This is a perspective view of the piston cylinder of this utility model;

[0025] Figure 3 This is a perspective view of the secondary sprocket of this utility model;

[0026] Figure 4 This is a perspective view of the sealing cap of this utility model.

[0027] In the diagram: 1. Extraction cylinder; 2. Sealing cap; 3. U-shaped frame; 4. Support plate; 5. Piston cylinder; 6. Power motor; 7. Main sprocket; 8. Chain; 9. Secondary sprocket; 10. Shaft; 11. Crushing blade; 12. Small motor; 13. Lead screw; 14. Square rod; 15. Handle; 16. Sealing ring. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Example

[0029] Reference Figures 1-4 A device for extracting drug residues from agricultural products, comprising:

[0030] Extraction tube 1;

[0031] Sealing cap 2 is threaded to the bottom of extraction cylinder 1;

[0032] U-shaped frame 3, which is fixedly connected to the top of extraction cylinder 1;

[0033] The support plate 4 is fixedly connected to the bottom end of the inner side of the U-shaped frame 3.

[0034] The piston cylinder 5 is slidingly connected to the inside of the extraction cylinder 1.

[0035] The crushing assembly includes a secondary sprocket 9, a rotating shaft 10, and a crushing knife 11. The shaft center of the secondary sprocket 9 is keyed to the top end of the rotating shaft 10, and the bottom end of the surface of the rotating shaft 10 is fixedly connected to the handle of the crushing knife 11.

[0036] The power mechanism is connected to the secondary sprocket 9.

[0037] The lifting mechanism is connected to the piston cylinder 5, and is used to drive the piston cylinder 5 to rise and fall.

[0038] Through the above structure: through the transmission of the structure, the piston cylinder 5 can be driven to move up and down, and multiple structures can be concentrated inside the extraction cylinder 1 and the U-shaped frame 3, which can reduce the size of the device, facilitate carrying, and through the crushing knife 11, the agricultural products can be crushed, realizing the functions of crushing and extraction, so that the crushing equipment is not needed, and the convenience of the equipment is enhanced.

[0039] Please refer to Figure 3 The power mechanism includes a power motor 6, a main sprocket 7, and a chain 8. The output end of the power motor 6 is keyed to the shaft center of the main sprocket 7. The teeth of the main sprocket 7 are engaged with the inner side of the chain 8. The inner side of the chain 8 is engaged with the teeth of the secondary sprocket 9. The power of the power motor 6 is turned on. The power motor 6 is controlled by a motor controller. The power motor 6 can drive the main sprocket 7 to rotate. The main sprocket 7 can drive the chain 8 to rotate. The chain 8 can drive the secondary sprocket 9 to rotate. The size of the main sprocket 7 is larger than that of the secondary sprocket 9, which can accelerate the secondary sprocket 9.

[0040] Please refer to Figure 3 The surface of the power motor 6 is fixedly connected to the inside of the piston cylinder 5. The top end of the surface of the rotating shaft 10 is rotatably sleeved with the hole at the bottom of the piston cylinder 5. The power motor 6 is fixed by the piston cylinder 5. The top of the piston cylinder 5 can be provided with a heat dissipation hole to dissipate heat for the power motor 6. The rotating shaft 10 is rotatably arranged with the piston cylinder 5 through a bearing. The bottom end of the rotating shaft 10 extends to the bottom of the piston cylinder 5.

[0041] Please refer to Figure 2The lifting mechanism comprises a small motor 12, a screw rod 13 and a square rod 14, the output end of the small motor 12 is in key connection with the top end of the screw rod 13, the surface of the screw rod 13 is in threaded connection with the screw hole of the square rod 14, and the bottom end of the square rod 14 is fixedly connected with the top end of the piston cylinder 5; the power supply of the small motor 12 is turned on, the small motor 12 is controlled by using a motor controller, the small motor 12 can drive the screw rod 13 to rotate, the screw rod 13 can drive the square rod 14 to move upwards, and the square rod 14 can drive the piston cylinder 5 to move upwards.

[0042] Please refer to Figure 4 The surface of the small motor 12 is fixedly connected with the inner side of the U-shaped frame 3, the surface of the square rod 14 is in sliding connection with the hole of the supporting plate 4, the small motor 12 is fixed by the partition plate in the inner side of the U-shaped frame 3, the small motor 12 is convenient to drive the screw rod 13 to rotate, the screw rod 13 is rotatably arranged on the partition plate through a bearing, and the square rod 14 is slidably arranged on the supporting plate 4 through a sliding rail.

[0043] Please refer to Figure 4 The surface of the sealing cover 2 is fixedly connected with a handle 15, and the recess on the surface of the piston cylinder 5 is provided with a sealing ring 16; the handle 15 is convenient for a user to rotate the sealing cover 2, so that the extraction cylinder 1 is sealed, and the sealing ring 16 can seal the piston cylinder 5 and the extraction cylinder 1. Embodiment

[0044] The difference between the embodiment and the first embodiment lies in that the small motor 12 and the screw rod 13 are replaced by an electric push rod, the electric push rod can drive the square rod 14 to move up and down, but the stroke of the electric push rod is limited, therefore, the small motor 12 and the screw rod 13 are preferred.

[0045] It should be noted that: specific models of the power motor 6 and the small motor 12 are selected by those skilled in the relevant art, and the power motor 6 and the small motor 12 and the like above all belong to the prior art, and the present scheme will not be described in detail.

[0046] The utility model discloses a working principle: the sealed cover 2 is rotated and opened, and the agricultural product to be extracted, such as mulberry branch, mulberry leaf, spironolactone, perilla, mango leaf, radix polygoni multiflori, radix sagittae etc. are put into the inside of the extraction cylinder 1 of inverted state, then pour the extraction solvent, such as water and the organic solvent that is not soluble with water, cover the sealed cover 2 and rotate the seal, after turning over the extraction cylinder 1, the power motor 6 is connected to the power, and the power motor 6 adopts motor controller to control, and the power motor 6 can drive the main sprocket 7 to rotate, and the main sprocket 7 can drive the chain 8 to rotate, and the chain 8 can drive the auxiliary sprocket 9 to rotate, and the size of the main sprocket 7 is greater than the size of the auxiliary sprocket 9, can produce the acceleration effect to the auxiliary sprocket 9, and the auxiliary sprocket 9 can drive the rotating shaft 10 to rotate, and the rotating shaft 10 can drive the crushing knife 11 to rotate, and the crushing knife 11 can crush the agricultural product in the inside of the extraction cylinder 1, and makes the agricultural product and the extraction solvent to be soluble, and the small -size motor 12 is connected to the power, and the small -size motor 12 adopts motor controller to control, and the small -size motor 12 can drive the screw rod 13 to rotate, and the screw rod 13 can drive the square bar 14 to move upwards, and the square bar 14 can drive the piston cylinder 5 to move upwards, and the piston cylinder 5 can move upwards in the inside of the extraction cylinder 1, and thus can produce the negative pressure in the inside of the extraction cylinder 1, and carries out the extraction operation.

[0047] The above, only for the utility model's preferable specific implementation, but the protection scope of the utility model is not limited to this, any familiar with the technical field of the technical person in the utility model's technology range, according to the utility model's technical scheme and the utility model's conception add up to equivalent replacement or change, all should be covered in the protection scope of the utility model.

Claims

1. A device for extracting drug residues from agricultural products, characterized in that, include Extraction tube (1); A sealing cap (2) is threaded to the bottom of the extraction cylinder (1); U-shaped frame (3), which is fixedly connected to the top of the extraction cylinder (1); Support plate (4), the support plate (4) is fixedly connected to the bottom of the inner side of the U-shaped frame (3); Piston cylinder (5) is slidably connected to the inside of extraction cylinder (1); The crushing assembly includes a secondary sprocket (9), a rotating shaft (10), and a crushing blade (11). The axis of the secondary sprocket (9) is keyed to the top end of the rotating shaft (10), and the bottom end of the surface of the rotating shaft (10) is fixedly connected to the handle of the crushing blade (11). The power mechanism is connected to the secondary sprocket (9); The lifting mechanism is connected to the piston cylinder (5) and is used to drive the piston cylinder (5) to rise and fall.

2. The agricultural product drug residue extraction device according to claim 1, characterized in that, The power mechanism includes a power motor (6), a main sprocket (7) and a chain (8). The output end of the power motor (6) is keyed to the shaft of the main sprocket (7). The teeth of the main sprocket (7) mesh with the inner side of the chain (8), and the inner side of the chain (8) meshes with the teeth of the secondary sprocket (9).

3. The agricultural product drug residue extraction device according to claim 2, characterized in that, The surface of the power motor (6) is fixedly connected to the inside of the piston cylinder (5), and the top of the surface of the rotating shaft (10) is rotatably sleeved with the hole at the bottom of the piston cylinder (5).

4. The agricultural product drug residue extraction device according to claim 1, characterized in that, The lifting mechanism includes a small motor (12), a lead screw (13) and a square rod (14). The output end of the small motor (12) is keyed to the top end of the lead screw (13), the surface of the lead screw (13) is threaded to the screw hole of the square rod (14), and the bottom end of the square rod (14) is fixedly connected to the top end of the piston cylinder (5).

5. The agricultural product drug residue extraction device according to claim 4, characterized in that, The surface of the small motor (12) is fixedly connected to the inner side of the U-shaped frame (3), and the surface of the square rod (14) is slidably connected to the hole of the support plate (4).

6. The agricultural product drug residue extraction device according to claim 1, characterized in that, The sealing cap (2) is fixedly connected to a handle (15), and a sealing ring (16) is fitted into the groove on the surface of the piston cylinder (5).

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