Pretreatment device for heavy metal detection sample in high-salt food

Abstract

The utility model relates to the technical field of food security inspection, and discloses a high-salt food heavy metal detection sample pretreatment device which comprises a workbench, a plurality of supporting rods are fixedly connected to the left side of the top of the workbench, a fixing ring is fixedly connected to the tops of the supporting rods, and a mixing barrel is fixedly connected to the interior of the fixing ring. The top of the mixing barrel is fixedly connected with a shell, the top of the shell is fixedly connected with a motor, the driving end of the motor is fixedly connected with a driving rod, the exterior of the driving rod is fixedly connected with a stirring assembly, the exterior of the driving rod is fixedly connected with a driving bevel gear, and the interior of the shell is rotatably connected with a driven bevel gear. According to the utility model, the residues in the feed hopper are collected, and the impurities can be prevented from polluting a sample by collecting the residues left in the feed port, so that the purity and representativeness of the sample in the analysis process are ensured, and the accuracy and reliability of a detection result are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of food safety inspection, in particular to a sample pretreatment device for heavy metal detection in high-salt food. Background Art

[0002] The sample pretreatment device for heavy metal detection in high-salt food is a device used to prepare high-salt food samples for heavy metal detection. This device usually includes functional modules such as sample collection, sample pretreatment, sample mixing and solution preparation, and is designed to extract and purify heavy metals in samples for subsequent analysis and detection.

[0003] After searching, a heavy metal safety detection device for agricultural products with announcement number CN215599136U includes: a processing box, a feed hopper is arranged on the right side of the upper end face of the processing box, and a rotating rod is connected to the lower end of the motor; a leakage mesh is installed on the lower end face of the processing box, and the lower end of the first switch valve is connected to the first calibrated tube; a detection box is installed below the second switch valve, and an ultraviolet lamp is installed on the upper end face of the detection box. The heavy metal safety detection device for agricultural products has simple pre-treatment, can quickly and synchronously measure the content of food additives and heavy metals in agricultural products and foods, effectively reduces the sampling amount of samples to be tested and the amount of pre-treatment of samples, greatly shortens the detection time, improves work efficiency, and solves the problem that the existing heavy metal safety detection device for agricultural products is difficult to synchronously detect multiple additives and heavy metal contents in agricultural products and foods, resulting in cumbersome detection operations and inconvenience for daily detection.

[0004] The above patent mentioned that "the motor drives the rotating rod and the cutter to rotate at high speed to chop the agricultural products and food raw materials inside the processing box", but in the actual use process, although the food raw materials inside the feed hopper can be chopped, the residues generated inside the feed port cannot be collected, and the pollutants remaining inside the feed port may be mixed into the sample to be tested, resulting in sample contamination. This may affect the accuracy and reliability of subsequent analysis results. Therefore, in response to the above problems, a sample pretreatment device for heavy metal detection in high-salt food is proposed. Utility Model Content

[0005] In order to make up for the above deficiencies, the utility model provides a sample pretreatment device for heavy metal detection in high-salt food, aiming to improve the problem of XX in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A sample pretreatment device for heavy metal detection in high-salt food comprises a workbench, a plurality of support rods are fixedly connected to the left side of the top of the workbench, a fixing ring is fixedly connected to the top of the support rod, a mixing barrel is fixedly connected to the inside of the fixing ring, a shell is fixedly connected to the top of the mixing barrel, a motor is fixedly connected to the top of the shell, a driving end of the motor is fixedly connected to a driving rod, a stirring assembly is fixedly connected to the outside of the driving rod, a driving bevel gear is fixedly connected to the outside of the driving rod, a driven bevel gear is rotatably connected to the inside of the shell, a rotating rod is fixedly connected to the inside of the driven bevel gear, a plurality of crushing blades are fixedly connected to the outside of the rotating rod, a feed hopper is fixedly connected to the left side of the outside of the mixing barrel, a fixing box is fixedly connected to the bottom of the feed hopper, a filter plate is slidably connected to the inside of the fixing box, and a plurality of elastic components are fixedly connected to the outside of the filter plate;

[0008] As a further description of the above technical solution:

[0009] The stirring assembly comprises a connecting rod, the outside of which is fixedly connected to a plurality of stirring rods, the bottom of which is fixedly connected to an extension rod, the outside of which is fixedly connected to a plurality of pusher plates, and the outside of which is fixedly connected to the bottom of the driving rod;

[0010] As a further description of the above technical solution:

[0011] The elastic component comprises a fixed plate, the outside of the fixed plate is slidably connected with a connecting rod, the outside of the connecting rod is sleeved with a spring, the outside of the connecting rod is fixedly connected with a limiting block, and the outside of the fixed plate is fixedly connected to the inside of the fixed box;

[0012] As a further description of the above technical solution:

[0013] The interior of the fixed box is slidably connected to a collection box, and the exterior of the collection box is fixedly connected to a handle;

[0014] As a further description of the above technical solution:

[0015] The outside of the driving rod is rotatably connected to a driving wheel, the outside of the driving wheel is sleeved with a belt, a column is fixedly connected to the right side of the top of the workbench, a rotating column is fixedly connected to the top of the column, and a driven wheel is fixedly connected to the top of the rotating column;

[0016] As a further description of the above technical solution:

[0017] The outside of the rotating column is fixedly connected to a placement plate, and the inside of the placement plate is fixedly connected to a plurality of test tubes;

[0018] As a further description of the above technical solution:

[0019] A support plate is fixedly connected to the right side of the fixing ring, and a feeding pipe is fixedly connected to the right side of the bottom of the mixing barrel;

[0020] As a further description of the above technical solution:

[0021] One end of the spring is fixedly connected to the bottom of the filter plate, and the other end of the spring is fixedly connected to the outside of the fixing plate.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the residue inside the feed hopper is collected through the cooperation between the fixed box, the filter plate, the fixed plate, the connecting rod, the spring and other structures. Collecting the residue remaining inside the feed port can prevent these impurities from contaminating the sample, which ensures the purity and representativeness of the sample during the analysis process, thereby improving the accuracy and reliability of the test results.

[0024] 2. In the utility model, the rotation of the placement plate is realized through the cooperation between the driving wheel, the rotating column, the placement plate, the test tube, the driven wheel and other structures. By rotating the placement plate, it can be ensured that the sample is evenly distributed to each test tube when unloading, which helps to ensure that the sample amount in each test tube is equal and avoid analysis errors caused by uneven sample distribution. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of a sample pretreatment device for detecting heavy metals in high-salt food proposed by the utility model;

[0026] Figure 2 This is a schematic structural diagram of a placement plate of a sample pretreatment device for detecting heavy metals in high-salt food proposed by the utility model;

[0027] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0028] Figure 4 This is a schematic structural diagram of a collection box of a sample pretreatment device for detecting heavy metals in high-salt food proposed by the utility model.

[0029] Legend:

[0030] 1. Workbench; 2. Support rod; 3. Fixed ring; 4. Mixing barrel; 5. Shell; 6. Motor; 7. Drive rod; 8. Connecting rod; 9. Stirring rod; 10. Extension rod; 11. Push plate; 12. Active bevel gear; 13. Driven bevel gear; 14. Rotating rod; 15. Crushing blade; 16. Feed hopper; 17. Fixed box; 18. Filter plate; 19. Fixed plate; 20. Connecting rod; 21. Spring; 22. Limit block; 23. Collecting box; 24. Active wheel; 25. Belt; 26. Column; 27. Rotating column; 28. Driven wheel; 29. ​​Placement tray; 30. Test tube; 31. Support plate; 32. Discharge pipe. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1-Figure 3 , the utility model provides an embodiment: a sample pretreatment device for heavy metal detection in high-salt food, comprising a workbench 1, a plurality of support rods 2 are fixedly connected to the left side of the top of the workbench 1, a fixing ring 3 is fixedly connected to the top of the support rod 2, a mixing barrel 4 is fixedly connected to the inside of the fixing ring 3, a shell 5 is fixedly connected to the top of the mixing barrel 4, a motor 6 is fixedly connected to the top of the shell 5, the motor 6 is designed to drive a driving rod 7 to rotate, a driving end of the motor 6 is fixedly connected to the driving rod 7, the outside of the driving rod 7 is fixedly connected to a stirring assembly, the stirring assembly comprises a connecting rod 8, a plurality of stirring rods 9 are fixedly connected to the outside of the connecting rod 8, the stirring rod 9 is designed to stir the raw materials inside the mixing barrel 4, an extension rod 10 is fixedly connected to the bottom of the connecting rod 8, a plurality of push plates 11 are fixedly connected to the outside of the extension rod 10, the push plates 11 are designed to enable the push plates 11 to push the internal raw materials of the mixing barrel 4 at the bottom, so that the feeding pipe 32 can discharge the materials faster, and the outside of the connecting rod 8 is fixedly connected to the bottom of the driving rod 7;

[0033] Reference Figure 2-Figure 4The driving rod 7 is fixedly connected to the outside with a driving bevel gear 12, the housing 5 is rotatably connected to the inside with a driven bevel gear 13, the driven bevel gear 13 is fixedly connected to the inside with a rotating rod 14, the rotating rod 14 is fixedly connected to the outside with a plurality of crushing blades 15, the mixing barrel 4 is fixedly connected to the left side with a feed hopper 16, the feed hopper 16 is designed to feed the inside of the mixing barrel 4, the bottom of the feed hopper 16 is fixedly connected to a fixed box 17, the inside of the fixed box 17 is slidably connected with a filter plate 18, the filter plate 18 is designed to separate the raw material from the residue, and the filter plate 18 is fixedly connected to the outside with a A plurality of elastic components, the elastic components include a fixed plate 19, the outside of the fixed plate 19 is slidably connected with a connecting rod 20, the connecting rod 20 is designed so that a spring 21 can be sleeved on the outside of the connecting rod 20, the outside of the connecting rod 20 is sleeved with a spring 21, one end of the spring 21 is fixedly connected to the bottom of the filter plate 18, the other end of the spring 21 is fixedly connected to the outside of the fixed plate 19, the outside of the connecting rod 20 is fixedly connected to a limiting block 22, the limiting block 22 is designed so that the filter plate 18 will not be separated from the inside of the fixed box 17, and the outside of the fixed plate 19 is fixedly connected to the inside of the fixed box 17;

[0034] Reference Figure 1-Figure 2 The interior of the fixed box 17 is slidably connected to a collection box 23, and the outside of the collection box 23 is fixedly connected to a handle. The outside of the driving rod 7 is rotatably connected to a driving wheel 24. The design of the driving wheel 24 is to enable the driving wheel 24 to drive the driven wheel 28 to rotate through a belt 25. The outer sleeve of the driving wheel 24 is provided with a belt 25. A column 26 is fixedly connected to the right side of the top of the workbench 1. The column 26 is designed to support the rotation of the rotating column 27. The top of the column 26 is fixedly connected to a rotating column 27, and the top of the rotating column 27 is fixedly connected to a driven wheel 28. The wheel 28 is designed to enable the driven wheel 28 to drive the rotating column 27 to rotate. The outside of the rotating column 27 is fixedly connected to a placement plate 29, and the inside of the placement plate 29 is fixedly connected to a plurality of test tubes 30. The test tubes 30 are designed to enable the test tubes 30 to collect the mixed raw materials. The right side of the fixed ring 3 is fixedly connected to a support plate 31, and the right side of the bottom of the mixing barrel 4 is fixedly connected to a discharge pipe 32. The discharge pipe 32 is designed to enable the discharge pipe 32 to discharge the mixed raw materials inside the mixing barrel 4 into the inside of the test tube 30 through the discharge pipe 32.

[0035] Working principle: When collecting the residue, by starting the motor 6, the driving rod 7 can drive the active bevel gear 12 to rotate, and the active bevel gear 12 can drive the rotating rod 14 to rotate through the driven bevel gear 13 under the rotation of the active bevel gear 12, and the rotating rod 14 can drive the crushing blade 15 to rotate inside the feed hopper 16 under the rotation of the rotating rod 14, so that the raw material can be crushed, and then the raw material can pass through the outside of the filter plate 18 along the feed hopper 16, and then the raw material can be shaken outside the filter plate 18, and then the raw material residue will fall into the inside of the collecting box 23, and then the residue can be collected.

[0036] When the placement plate 29 is rotated, by starting the motor 6, the motor 6 can drive the driving wheel 24 to rotate. With the rotation of the driving wheel 24, the driving wheel 24 can drive the driven wheel 28 to rotate through the belt 25. With the rotation of the driven wheel 28, the driven wheel 28 can drive the rotating column 27 to rotate. With the rotation of the rotating column 27, the rotating column 27 can drive the placement plate 29 to rotate on the top of the workbench 1.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sample pretreatment device for detecting heavy metals in high-salt food, comprising a workbench (1), characterized in that: A plurality of support rods (2) are fixedly connected to the left side of the top of the workbench (1); a fixing ring (3) is fixedly connected to the top of the support rod (2); a mixing barrel (4) is fixedly connected to the inside of the fixing ring (3); a housing (5) is fixedly connected to the top of the mixing barrel (4); a motor (6) is fixedly connected to the top of the housing (5); a driving rod (7) is fixedly connected to the driving end of the motor (6); a stirring assembly is fixedly connected to the outside of the driving rod (7); and a driving bevel gear (1) is fixedly connected to the outside of the driving rod (7). 2), the shell (5) is internally rotatably connected to a driven bevel gear (13), the driven bevel gear (13) is internally fixedly connected to a rotating rod (14), the rotating rod (14) is externally fixedly connected to a plurality of crushing blades (15), the mixing barrel (4) is externally fixedly connected to a feed hopper (16) on the left side, the feed hopper (16) is fixedly connected to a fixed box (17) at the bottom, the fixed box (17) is internally slidably connected to a filter plate (18), and the filter plate (18) is externally fixedly connected to a plurality of elastic components.

2. A sample pretreatment device for detecting heavy metals in high-salt food according to claim 1, characterized in that: The stirring assembly comprises a connecting rod (8), the outside of which is fixedly connected to a plurality of stirring rods (9), the bottom of which is fixedly connected to an extension rod (10), the outside of which is fixedly connected to a plurality of pusher plates (11), and the outside of which is fixedly connected to the bottom of the driving rod (7).

3. A sample pretreatment device for detecting heavy metals in high-salt food according to claim 1, characterized in that: The elastic component comprises a fixed plate (19), the outside of the fixed plate (19) is slidably connected to a connecting rod (20), the outside of the connecting rod (20) is sleeved with a spring (21), the outside of the connecting rod (20) is fixedly connected to a limiting block (22), and the outside of the fixed plate (19) is fixedly connected to the inside of the fixed box (17).

4. A sample pretreatment device for detecting heavy metals in high-salt food according to claim 1, characterized in that: The interior of the fixed box (17) is slidably connected to a collection box (23), and the exterior of the collection box (23) is fixedly connected to a handle.

5. The sample pretreatment device for detecting heavy metals in high-salt food according to claim 1, characterized in that: The outside of the driving rod (7) is rotatably connected to a driving wheel (24), the outside of the driving wheel (24) is sleeved with a belt (25), the top right side of the workbench (1) is fixedly connected to a column (26), the top of the column (26) is fixedly connected to a rotating column (27), and the top of the rotating column (27) is fixedly connected to a driven wheel (28).

6. A sample pretreatment device for detecting heavy metals in high-salt food according to claim 5, characterized in that: The outside of the rotating column (27) is fixedly connected to a placement plate (29), and the inside of the placement plate (29) is fixedly connected to a plurality of test tubes (30).

7. The sample pretreatment device for detecting heavy metals in high-salt food according to claim 1, characterized in that: A support plate (31) is fixedly connected to the right side of the fixing ring (3), and a feeding pipe (32) is fixedly connected to the right side of the bottom of the mixing barrel (4).

8. The sample pretreatment device for detecting heavy metals in high-salt food according to claim 3, characterized in that: One end of the spring (21) is fixedly connected to the bottom of the filter plate (18), and the other end of the spring (21) is fixedly connected to the outside of the fixing plate (19).

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