Sample preparation device for detecting pesticide residues of agricultural products

Abstract

The utility model discloses a sample preparation device for pesticide residue detection of agricultural products, relates to the technical field of sample preparation devices, and aims to solve the technical problems that pesticide samples are prepared from most agricultural products in a crushing manner in the prior art, but a large number of fragments flow out along with juice after crushing, and are easy to block during pouring, so that the production cost is high. And the sample preparation work is troublesome. The extrusion preparation mechanism comprises an air cylinder, a middle barrel and a preparation barrel, a pressing disc is slidably connected in the middle barrel, the jacking end of the air cylinder is fixedly connected with the pressing disc, a sieve tray is arranged in the preparation barrel, a water supplementing pipe and a feeding hopper are arranged on the two sides of the middle barrel respectively, a first through hole is formed in the pressing disc, and a second through hole is formed in the middle barrel. A second penetrating hole is formed in the screening disc, a supporting column is arranged on the base, a driving box is installed on the supporting column, a rotating base is rotationally connected to the driving box, a cantilever is fixedly connected to one side of the rotating base, a fixing frame is fixedly connected to one end of the cantilever, and the fixing frame is fixedly connected with an air cylinder.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sample preparation device technical field, concretely to a kind of sample preparation device for pesticide residue detection of agricultural product. BACKGROUND

[0002] The agricultural product refers to the various plants, animals of primary product of the production of planting, breeding, forestry, stockbreeding, aquaculture, and state regulation primary agricultural product refers to the plants, animals and its product obtained in agricultural activity, not including each kind of product after processing, and the agricultural product of vegetable and fruit needs to make detection sample when pesticide residue is detected;

[0003] For example, the announcement number is CN219830507U, a kind of sample preparation device for detecting pesticide residue in vegetable and fruit agricultural product, including base, the base upper end face rotation is equipped with rotating column, the rotating column end is fixed with link rod, the link rod arc outer wall is equipped with installation slot, the installation slot is equipped with crusher by installation block, the installation block outer wall is equipped with two extrusion grooves, two The extrusion grooves are equipped with plug rod by extrusion mechanism in, the link rod outer wall is equipped with the insertion hole corresponding with plug rod and being communicated with installation slot, the base upper end face is equipped with multiple placing grooves;

[0004] The above application is equipped with multiple placing grooves by setting base, rotating column, link rod, installation rod and crusher, and sample cup is placed in multiple placing grooves, and clamping plate and other components are also set, multiple sample stations are provided, so that multiple samples can be prepared in single preparation process, and the crushing component can be conveniently disassembled with rotating component, and the pesticide sample is prepared by crushing, but a large amount of debris will flow out with juice after crushing, which is easy to block when pouring, causing sample preparation work to be very troublesome, so there is an urgent need in the market to develop a sample preparation device for pesticide residue detection of agricultural product to help people solve the existing problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of sample preparation device for pesticide residue detection of agricultural product, to solve the above background art proposed by the way of crushing to pesticide sample is prepared, but a large amount of debris will flow out with juice after crushing, which is easy to block when pouring, causing sample preparation work to be very troublesome.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of sample preparation device for pesticide residue detection of agricultural product, including extrusion preparation mechanism and base, the extrusion preparation mechanism includes cylinder, intermediate cylinder and preparation cylinder, the intermediate cylinder is slidably connected with pressure disc, the jacking end of cylinder is fixedly connected with pressure disc, the preparation cylinder is provided with sieve tray, the two sides of intermediate cylinder are provided with water supply pipe and feed hopper respectively, the first perforation is provided on the pressure disc, the second perforation is provided on the sieve tray.

[0007] By the above technical scheme, the starting drive is used to drive the pressing disc to press down, the agricultural product to be tested is poured into the inside of the preparation cylinder, appropriate pure water is added, then the agricultural product is extruded between the pressing disc and the sieve disc, the juice of the agricultural product is mixed with the water, only liquid sample to be tested is extruded, thereby a large amount of residue is avoided, when sampling, only the sample solution needs to be taken out, the sieve disc and the pressing disc are both provided with perforations, thereby the juice can flow out, blockage is avoided, use reliability is improved, and the sampling work can be more convenient.

[0008] In a preferred example, the base is provided with a support column, the support column is provided with a driving box, the driving box is rotatably connected with a rotating seat, one side of the rotating seat is fixedly connected with a cantilever, one end of the cantilever is fixedly connected with a fixing frame, the fixing frame is fixedly connected with a cylinder, the driving box is provided with a driving device, and the driving device is fixedly connected with the rotating seat through a connecting shaft.

[0009] By the above technical scheme, the starting drive is used to drive the pressing disc to press down, the agricultural product to be tested is poured into the inside of the preparation cylinder, appropriate pure water is added, then the agricultural product is extruded between the pressing disc and the sieve disc, the juice of the agricultural product is mixed with the water, only liquid sample to be tested is extruded, thereby a large amount of residue is avoided, when sampling, only the sample solution needs to be taken out, the sieve disc and the pressing disc are both provided with perforations, thereby the juice can flow out, blockage is avoided, use reliability is improved, and the sampling work can be more convenient.

[0010] In a preferred example, the base is provided with a support column, the support column is provided with a driving box, the driving box is rotatably connected with a rotating seat, one side of the rotating seat is fixedly connected with a cantilever, one end of the cantilever is fixedly connected with a fixing frame, the fixing frame is fixedly connected with a cylinder, the driving box is provided with a driving device, and the driving device is fixedly connected with the rotating seat through a connecting shaft.

[0011] Compared with the prior art, the utility model has the advantages of:

[0012] 1. The utility model discloses a starting drive is used to drive the pressing disc to press down, the agricultural product to be tested is poured into the inside of the preparation cylinder, appropriate pure water is added, then the agricultural product is extruded between the pressing disc and the sieve disc, the juice of the agricultural product is mixed with the water, only liquid sample to be tested is extruded, thereby a large amount of residue is avoided, when sampling, only the sample solution needs to be taken out, the sieve disc and the pressing disc are both provided with perforations, thereby the juice can flow out, blockage is avoided, use reliability is improved, and the sampling work can be more convenient.

[0013] 2. The utility model discloses a driving device is used to drive the rotating seat to rotate, the rotating seat drives the fixed seat and the extrusion preparation mechanism to rotate through the cantilever, the position of the extrusion preparation mechanism is changed, thereby sample can be poured into different sampling barrels. DRAWINGS

[0014] Figure 1 It is a front view of the sampling device for agricultural product pesticide residue detection of the utility model;

[0015] Figure 2 It is the overall schematic view of the compression disc of the utility model;

[0016] Figure 3 It is the overall schematic view of the screen disc of the utility model.

[0017] In the figure: 1, base; 2, support column; 3, drive box; 4, drive device; 5, rotating seat; 6, cantilever; 7, fixing frame; 8, air cylinder; 9, sealing cover; 10, intermediate cylinder; 11, preparation cylinder; 12, liquid outlet pipe; 13, sampling bucket; 14, compression disc; 15, water supplement pipe; 16, feed hopper; 17, screen disc; 18, first perforation; 19, second perforation. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0019] In the description of the present application, it should be explained that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0020] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] Please refer to Figure 1 , Figure 2 and Figure 3 , the utility model provides an embodiment: a kind of sample preparation device for pesticide residue detection of agricultural products, including extrusion preparation mechanism and base 1, extrusion preparation mechanism includes air cylinder 8, intermediate cylinder 10 and preparation cylinder 11, slidingly connected with compression disc 14 in intermediate cylinder 10, the jacking end of air cylinder 8 is fixedly connected with compression disc 14, preparation cylinder 11 is provided with screen disc 17, the two sides of intermediate cylinder 10 are provided with water supplement pipe 15 and feed hopper 16 respectively, first perforation 18 is provided on compression disc 14, second perforation 19 is provided on screen disc 17, intermediate cylinder 10 and preparation cylinder 11 are fixedly connected by bolt.

[0022] Please refer to Figure 1 , the base 1 is provided with a support 2, the support 2 is installed with a drive box 3, the drive box 3 is rotatably connected with a rotating seat 5.

[0023] Please refer to Figure 1 , one side of the rotating seat 5 is fixedly connected with a cantilever 6, one end of the cantilever 6 is fixedly connected with a fixing frame 7, the fixing frame 7 is fixedly connected with a cylinder 8.

[0024] Please refer to Figure 1 , the drive box 3 is installed with a driving device 4, the driving device 4 is fixedly connected with the rotating seat 5 through a connecting shaft.

[0025] Please refer to Figure 1 , the base 1 is provided with a sampling barrel 13, the upper portion of the middle cylinder 10 is installed with a sealing cover 9, the lower portion of the preparation cylinder 11 is provided with a liquid outlet pipe 12, the liquid outlet pipe 12 is provided with an electric valve.

[0026] Working principle: when in use, the agricultural products to be measured are poured into the inside of the preparation cylinder 11 through the feeding hopper 16, then a proper amount of pure water is added into the inside of the preparation cylinder 11 through the water supplement pipe 15, the water supplement pipe 15 is provided with a one-way valve, then the cylinder 8 is used to drive the pressing plate 14 to sink, the agricultural products are accumulated between the pressing plate 14 and the sieve plate 17, the agricultural products are extruded, the juice is extruded and mixed with the pure water to form a sample solution, then the driving device 4 is used to drive the rotating seat 5 to rotate, the rotating seat 5 drives the fixing frame 7 and the extrusion preparation mechanism to rotate through the cantilever 6, the preparation cylinder 11 is rotated to the upper portion of the sampling barrel 13, the electric valve on the liquid outlet pipe 12 is opened, the sample solution is poured into the inside of the sampling barrel 13, and the sampling work is completed.

[0027] It is apparent for those skilled in the art that the present application is not limited to the details of the above-mentioned exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A sample preparation device for detecting pesticide residues in agricultural products, comprising an extrusion preparation mechanism and a base (1), characterized in that: The extrusion forming mechanism includes a cylinder (8), an intermediate cylinder (10), and a forming cylinder (11). A pressure plate (14) is slidably connected inside the intermediate cylinder (10). The lifting end of the cylinder (8) is fixedly connected to the pressure plate (14). A sieve plate (17) is provided inside the forming cylinder (11). A water supply pipe (15) and a feed hopper (16) are respectively provided on both sides of the intermediate cylinder (10). A first through hole (18) is provided on the pressure plate (14), and a second through hole (19) is provided on the sieve plate (17).

2. The sample preparation device for pesticide residue detection in agricultural products according to claim 1, characterized in that: A support column (2) is provided on the base (1), a drive box (3) is installed on the support column (2), and a rotatable seat (5) is rotatably connected to the drive box (3).

3. The sample preparation device for pesticide residue detection in agricultural products according to claim 2, characterized in that: A cantilever (6) is fixedly connected to one side of the rotating base (5), and a fixing frame (7) is fixedly connected to one end of the cantilever (6). The fixing frame (7) is fixedly connected to the cylinder (8).

4. The sample preparation device for pesticide residue detection in agricultural products according to claim 2, characterized in that: The drive box (3) is equipped with a drive device (4), and the drive device (4) is fixedly connected to the rotating base (5) by a coupling.

5. The sample preparation device for pesticide residue detection in agricultural products according to claim 1, characterized in that: A sampling bucket (13) is provided on the base (1), a sealing cap (9) is installed above the intermediate cylinder (10), a liquid outlet pipe (12) is provided below the preparation cylinder (11), and an electric valve is provided on the liquid outlet pipe (12).

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