A sample crushing device for pesticide residue detection

Abstract

This utility model discloses a sample crushing device for pesticide residue detection, including a device tank. A tank cover body is disposed at the upper end of the device tank. A first annular groove is formed on the side wall of the device tank. A first connecting pipe is connected to the left side of the device tank. The first connecting pipe is connected to the first annular groove. The inner side of the first annular groove is connected to a first spray hole. The first spray hole is arranged in a ring array on the side wall of the device tank. A second annular groove is formed on the side wall of the device tank. The second annular groove is located below the first annular groove. A second connecting pipe is connected to the left side of the device tank. The second connecting pipe is connected to the second annular groove. By removing the first bolt, the hexagonal locking block can be pulled out from the hexagonal locking groove to facilitate the disassembly and removal of the cutter shaft. The cutter shaft and the crushing blade are removed and cleaned to prevent the residual crushed sample and pesticide residue from causing cross-contamination in subsequent processes.

Description

Technical Field

[0001] This utility model relates to the field of pesticide detection technology, specifically a sample crushing device for pesticide residue detection. Background Technology

[0002] Currently, agricultural production increasingly relies on pesticides. However, the irrational use of pesticides will inevitably lead to excessive pesticide residues in agricultural products, affecting consumer safety. Therefore, it is crucial to detect pesticide residues in agricultural products. The detection process requires crushing agricultural products to extract samples. However, most existing crushing devices are inconvenient to clean after crushing agricultural products. This can easily cause cross-contamination between the samples and pesticide residues on the crushing blades and subsequent crushing of agricultural products, affecting the accuracy of subsequent sample testing. Utility Model Content

[0003] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0004] In view of the problems existing in the above and / or existing sample crushing devices for pesticide residue detection, this utility model is proposed.

[0005] Therefore, the purpose of this utility model is to provide a sample crushing device for pesticide residue detection. The cutter shaft is fixed in a hexagonal slot by a hexagonal locking block. Under the action of the first bolt, it is used to connect and fix the hexagonal locking block and the drive shaft. By removing the first bolt, the hexagonal locking block can be pulled out from the hexagonal slot, which facilitates the disassembly of the cutter shaft. The cutter shaft and the crushing blade can be removed and taken off for easy cleaning, preventing the residual crushed sample and pesticide residue from causing cross-contamination in subsequent processes.

[0006] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution: A sample crushing device for pesticide residue detection includes a device tank. A tank cover body is disposed at the upper end of the device tank. A first annular groove is formed on the side wall of the device tank. A first connecting pipe is connected to the left side of the device tank. The first connecting pipe is connected to the first annular groove. The inner side of the first annular groove is connected to a first spray hole. The first spray hole is arranged in a ring array on the side wall of the device tank. A second annular groove is formed on the side wall of the device tank. The second annular groove is disposed below the first annular groove. A second connecting pipe is connected to the left side of the device tank. The second connecting pipe is connected to the second annular groove. The inner side of the second annular groove is connected to a second spray hole. The second spray hole is arranged in a ring array on the side wall of the device tank. The can lid body includes a drive shaft that is rotatably connected to the top of the can lid body. A hexagonal slot is provided at the lower end of the drive shaft. A hexagonal block is engaged in the hexagonal slot. A first bolt is provided through a first through hole on the drive shaft. The inner end of the first bolt is threaded into a first fixing hole. The first fixing hole is provided on the hexagonal block. There are two of both the first fixing hole and the first bolt. A cutter shaft is fixedly connected to the lower end of the hexagonal block.

[0007] As a preferred embodiment of the sample crushing device for pesticide residue detection described in this utility model, the lower end of the device tank is fixedly provided with a support leg, and a discharge pipe is connected to the center of the lower part of the device tank.

[0008] In a preferred embodiment of the sample crushing device for pesticide residue detection described in this utility model, the upper end of the transmission shaft is connected to the output shaft of the first motor, the first motor is disposed on the upper end of the can lid body, and an annular baffle is fixedly connected to the lower end of the can lid body, the annular baffle being in close contact with the inner wall of the device can.

[0009] As a preferred embodiment of the sample crushing device for pesticide residue detection described in this utility model, the main body of the can lid further includes a crushing blade fixedly disposed on the outside of the blade shaft. The outer ring of the blade shaft has two second fixing holes near the top. The outer ring of the blade shaft is in close contact with an arc-shaped groove. The arc-shaped groove is disposed on a baffle plate, and two baffle plates are provided.

[0010] As a preferred embodiment of the sample crushing device for pesticide residue detection described in this utility model, the main body of the can lid further includes a groove formed at the lower end of the baffle. The groove is located on the outside of the arc-shaped groove. A second bolt is inserted through a second through hole formed on the side of the groove near the arc-shaped groove. The inner end of the second bolt is threaded into a second fixing hole.

[0011] As a preferred embodiment of the sample crushing device for pesticide residue detection described in this utility model, the device tank includes a support frame fixedly installed on the right side of the device tank, and an electric telescopic rod is installed on the upper end of the support frame.

[0012] As a preferred embodiment of the sample crushing device for pesticide residue detection described in this utility model, the device tank further includes a mounting frame fixedly installed on the upper end of the electric telescopic rod, and a second motor is installed on the upper end of the mounting frame, with the output shaft of the second motor connected to the rotating shaft.

[0013] As a preferred embodiment of the sample crushing device for pesticide residue detection described in this utility model, the device tank further includes a connecting plate frame fixedly connected to the upper end of the rotating shaft, and the lower end of the connecting plate frame is fixedly connected to the tank cover body.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: After the agricultural products are crushed, the can lid body can be pushed up by the connecting plate frame under the push of the electric telescopic rod, so that the cutter shaft and crushing blade are pushed out of the device can body. Under the action of the second motor and the rotating shaft, the can lid body is rotated and the position is adjusted by the connecting plate frame. Then, the height of the cutter shaft is adjusted by the electric telescopic rod, which is convenient for disassembly. By removing the first bolt, the hexagonal block can be pulled out from the hexagonal slot, which is convenient for the disassembly and removal of the cutter shaft. The cutter shaft and the crushing blade are removed and cleaned to prevent the residual crushed samples and pesticide residues from causing cross-contamination in the subsequent process. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them: Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic cross-sectional view of the main body of the device, including the tank and the lid. Figure 3 This is a schematic diagram of the cross-sectional structure of the tank body of the device of this utility model; Figure 4 This is a schematic diagram of the can lid body, drive shaft, hexagonal slot, and hexagonal block structure of this utility model; Figure 5 This is a schematic diagram of the cutter shaft and the second fixing hole structure of this utility model; Figure 6 This is a schematic diagram of the baffle, arc groove, and recess structure of this utility model.

[0016] In the diagram: 1. Tank body; 101. Support plate frame; 102. Electric telescopic rod; 103. Mounting frame; 104. Second motor; 105. Rotating shaft; 106. Connecting plate frame; 2. Tank cover body; 201. Drive shaft; 202. First motor; 203. Hexagonal slot; 204. Hexagonal block; 205. First bolt; 206. First fixing hole; 207. Annular baffle; 208. Cutter shaft; 209. Second fixing hole; 210. Baffle; 211. Arc groove; 212. Groove; 213. Second bolt; 214. Crusher; 3. Support leg; 4. Discharge pipe; 5. First annular groove; 6. First connecting pipe; 7. First spray hole; 8. Second annular groove; 9. Second connecting pipe; 10. Second spray hole. Detailed Implementation

[0017] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0018] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, in actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0020] This utility model provides a sample crushing device for pesticide residue detection. The cutter shaft is fixed in a hexagonal slot by a hexagonal locking block. Under the action of a first bolt, it is used to connect and fix the hexagonal locking block and the drive shaft. By removing the first bolt, the hexagonal locking block can be pulled out from the hexagonal slot, which facilitates the disassembly of the cutter shaft. The cutter shaft and the crushing blade can be removed and taken off for easy cleaning, preventing the residual crushed sample and pesticide residue from causing cross-contamination in subsequent processes.

[0021] Figures 1-6 The diagram shown is an overall structural schematic of one embodiment of a sample crushing device for pesticide residue detection according to this utility model. Please refer to [link / reference]. Figures 1-6This embodiment of a sample crushing device for pesticide residue detection includes a device tank 1, a tank cover body 2 that is disposed at the upper end of the device tank 1, a first annular groove 5 that is formed on the side wall of the device tank 1, a first connecting pipe 6 that is connected to the left side of the device tank 1, the first connecting pipe 6 and the first annular groove 5 being connected, the inner side of the first annular groove 5 being connected to a first spray hole 7 that is arranged in an annular array on the side wall of the device tank 1, a second annular groove 8 that is formed on the side wall of the device tank 1 and is disposed below the first annular groove 5, a second connecting pipe 9 that is connected to the left side of the device tank 1, the second connecting pipe 9 being connected to the second annular groove 8, the inner side of the second annular groove 8 being connected to a second spray hole 10 that is arranged in an annular array on the side wall of the device tank 1; The first connecting pipe 6 is connected to an external clean water supply device, and the second connecting pipe 9 is connected to an external cleaning agent mixture supply device. The first spray hole 7 and the second spray hole 10 are inclined downwards towards the inside of the device tank 1. The cleaning agent mixture is input into the second annular groove 8 through the second connecting pipe 9 and sprayed out through the second spray hole 10. The cleaning agent mixture is used to rinse the inside of the device tank 1. After rinsing, external clean water is input into the first annular groove 5 through the first connecting pipe 6 and sprayed out through the first spray hole 7 to further rinse the inside of the device tank 1, improve cleanliness, and prevent it from affecting subsequent crushing use.

[0022] The can lid body 2 includes a drive shaft 201 that is rotatably connected to the top of the can lid body 2. A hexagonal slot 203 is provided at the lower end of the drive shaft 201. A hexagonal block 204 is engaged in the hexagonal slot 203. A first bolt 205 is provided through the first through hole on the drive shaft 201. The inner end of the first bolt 205 is threaded into the first fixing hole 206. The first fixing hole 206 is provided on the hexagonal block 204. There are two of both the first fixing hole 206 and the first bolt 205. A cutter shaft 208 is fixedly connected to the lower end of the hexagonal block 204.

[0023] When cleaning is required, the hexagonal locking block 204 is pulled out from the hexagonal locking slot 203 by removing the first bolt 205, which facilitates the removal of the cutter shaft 208. The cutter shaft 208, together with the crushing blade 214, is removed and cleaned.

[0024] A support leg 3 is fixedly installed at the lower end of the device tank 1, and a discharge pipe 4 is connected to the center of the lower part of the device tank 1.

[0025] Open the valve on discharge pipe 4 to discharge the broken sample.

[0026] The upper end of the drive shaft 201 is connected to the output shaft of the first motor 202, which is located on the upper end of the can lid body 2. An annular baffle 207 is fixedly connected to the lower end of the can lid body 2, and the annular baffle 207 is in close contact with the inner wall of the device can body 1. The can lid body 2 also includes a crushing blade 214 fixedly mounted on the outside of the cutter shaft 208. Two second fixing holes 209 are opened near the top of the outer ring of the cutter shaft 208. The outer ring of the cutter shaft 208 is in close contact with an arc-shaped groove 211, which is located on a baffle 210. Two baffles 210 are provided. The can lid body 2 also includes a groove 212 located at the lower end of the baffle 210. The groove 212 is located on the outside of the arc-shaped groove 211. A second bolt 213 is inserted through a second through hole on the side of the groove 212 near the arc-shaped groove 211, and the inner end of the second bolt 213 is threaded into the second fixing hole 209.

[0027] Two baffles 210 are fixedly mounted on the outside of the cutter shaft 208 by the second bolt 213. The two baffles 210 contact to form a disc, and the two arc-shaped grooves 211 form a circular groove. This circular groove surrounds the outside of the cutter shaft 208 and is in close contact with the outer ring of the cutter shaft 208. The diameter of the formed disc is slightly smaller than the maximum internal diameter of the device tank 1, so that the disc can be placed inside the device tank 1 without affecting its rotation. This formed disc can effectively block the flying debris during the crushing of agricultural products, preventing it from splashing upwards. Furthermore, depending on the situation, a downward-sloping surface can be provided at the edge of the lower end of the disc, so that the disc is in the shape of a frustum. The diameter of the lower circular surface of the frustum is smaller than the diameter of the upper circular surface, and the diameter of the lower circular surface is not smaller than the size of the groove 212. This setting does not affect the setting of the groove 212. This setting helps the crushed agricultural products splashed on the lower end of the baffle 210 to slide down along the inclined surface toward the center of the device tank 1, making it convenient for the crushing blade 214 to crush them again.

[0028] The device tank 1 includes a support frame 101 fixedly mounted on the right side of the device tank 1, with an electric telescopic rod 102 mounted on the upper end of the support frame 101. The device tank 1 also includes a mounting bracket 103 fixedly mounted on the upper end of the electric telescopic rod 102, with a second motor 104 mounted on the upper end of the mounting bracket 103, and the output shaft of the second motor 104 connected to a rotating shaft 105. The device tank 1 also includes a connecting plate bracket 106 fixedly connected to the upper end of the rotating shaft 105, with the lower end of the connecting plate bracket 106 fixedly connected to the tank cover body 2.

[0029] The can lid body 2 is pushed up by the electric telescopic rod 102 and connected to the frame 106, so that the cutter shaft 208 and the crushing blade 214 are pushed out of the device can 1. Under the action of the second motor 104 and the rotating shaft 105, the can lid body 2 is rotated and its position is adjusted by the connecting frame 106. The height of the cutter shaft is then adjusted by the electric telescopic rod 102 for easy disassembly.

[0030] Combination Figures 1-6 This embodiment describes a sample crushing device for pesticide residue detection. The specific usage process is as follows: Agricultural products are added to the device's tank 1, and the tank lid 2 is closed. The first motor 202, drive shaft 201, hexagonal locking block 204, and cutter shaft 208 drive the crushing blade 214 to rotate and crush the agricultural products. A baffle 210 can prevent the flying debris during crushing from splashing upwards. After crushing, the valve on the discharge pipe 4 can be opened to discharge the product. The tank lid 2 can be pushed up via the connecting plate frame 106 by the electric telescopic rod 102, causing the cutter shaft 208 and crushing blade 214 to exit the device's tank 1. Under the action of the second motor 104 and rotating shaft 105, the tank lid 2 is rotated via the connecting plate frame 106 to adjust its position. The height of the cutter shaft is then adjusted via the electric telescopic rod 102 for easy disassembly. To remove the device, the first bolt 205 is removed, and the hexagonal locking block 204 is pulled out from the hexagonal locking slot 203, facilitating the removal of the cutter shaft 208. The cutter shaft 208, along with the crushing blade 214, is removed and cleaned. When the baffle 210 needs to be removed, the second bolt 213 is removed, and the baffle 210 is taken off. While the crushing blade 214 is being cleaned, the external cleaning agent mixture is input into the second annular groove 8 through the second connector 9 and sprayed out through the second spray hole 10. The cleaning agent mixture is used to rinse the inside of the device tank 1. After rinsing, external clean water is input into the first annular groove 5 through the first connector 6 and sprayed out through the first spray hole 7 to further rinse the inside of the device tank 1 and improve cleanliness. The device is controlled by a central processing unit, model S7-1500, which is not shown in the figure.

[0031] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A sample crushing device for pesticide residue detection, comprising a device tank (1), characterized in that: The upper end of the device tank (1) is contacted with the tank cover body (2). The side wall of the tank (1) is provided with a first annular groove (5). The left side of the tank (1) is connected to a first connecting pipe (6). The first connecting pipe (6) and the first annular groove (5) are connected. The inner side of the first annular groove (5) is connected to the first spray hole (7). The first spray hole (7) is arranged in an annular array on the side wall of the device tank (1). The side wall of the device tank (1) is provided with a second annular groove (8). The second annular groove (8) is located below the first annular groove (5). The left side of the device tank (1) is connected to a second connecting pipe (9). The second connecting pipe (9) and the second annular groove (8) are connected. The inner side of the second annular groove (8) is connected to the second spray hole (10). The second spray hole (10) is arranged in an annular array on the side wall of the device tank (1). The can lid body (2) includes a drive shaft (201) that is rotatably connected to the top of the can lid body (2). A hexagonal slot (203) is provided at the lower end of the drive shaft (201). A hexagonal block (204) is engaged in the hexagonal slot (203). A first bolt (205) is provided through the first through hole on the drive shaft (201). The inner end of the first bolt (205) is threaded into the first fixing hole (206). The first fixing hole (206) is provided on the hexagonal block (204). There are two of the first fixing holes (206) and the first bolt (205). A cutter shaft (208) is fixedly connected to the lower end of the hexagonal block (204).

2. The sample crushing device for pesticide residue detection according to claim 1, characterized in that: The lower end of the device tank (1) is fixedly provided with a support leg (3), and a discharge pipe (4) is connected to the center of the lower part of the device tank (1).

3. The sample crushing device for pesticide residue detection according to claim 1, characterized in that: The upper end of the drive shaft (201) is connected to the output shaft of the first motor (202). The first motor (202) is located on the upper end of the can cover body (2). The lower end of the can cover body (2) is fixedly connected to an annular baffle (207). The annular baffle (207) is in close contact with the inner wall of the device tank (1).

4. The sample crushing device for pesticide residue detection according to claim 1, characterized in that: The can lid body (2) also includes a crushing blade (214) fixedly disposed on the outside of the blade shaft (208). The outer ring of the blade shaft (208) has two second fixing holes (209) near the top. The outer ring of the blade shaft (208) is in close contact with the arc groove (211). The arc groove (211) is disposed on the baffle (210). There are two baffles (210).

5. The sample crushing device for pesticide residue detection according to claim 4, characterized in that: The can lid body (2) also includes a groove (212) opened at the lower end of the baffle (210). The groove (212) is located on the outside of the arc groove (211). A second bolt (213) is provided through the second through hole opened on the side of the groove (212) near the arc groove (211). The inner end of the second bolt (213) is threaded into the second fixing hole (209).

6. The sample crushing device for pesticide residue detection according to claim 1, characterized in that: The device tank (1) includes a support frame (101) fixedly installed on the right side of the device tank (1), and an electric telescopic rod (102) is installed on the upper end of the support frame (101).

7. The sample crushing device for pesticide residue detection according to claim 6, characterized in that: The device tank (1) also includes a mounting bracket (103) fixedly installed on the upper end of the electric telescopic rod (102). A second motor (104) is installed on the upper end of the mounting bracket (103), and the output shaft of the second motor (104) is connected to the rotating shaft (105).

8. The sample crushing device for pesticide residue detection according to claim 7, characterized in that: The device tank (1) also includes a connecting plate frame (106) fixedly connected to the upper end of the rotating shaft (105), and the lower end of the connecting plate frame (106) is fixedly connected to the tank cover body (2).

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