Sample extraction device for food detection

By designing a sample extraction device for food testing, and utilizing a combination of a motor-driven lead screw and a limiting block ejection plate, the problems of irregular sample extraction and sample drop were solved. This achieved regular sample cutting and efficient collection, thereby improving the accuracy and efficiency of testing.

CN223742032UActive Publication Date: 2025-12-30MINGCHENG TENGDE TESTING SERVICE (FUZHOU) CO LTD
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Patent Information

Application Number
CN202423044821.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-12-30
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing methods for food testing sample extraction are cumbersome and irregular, which can easily lead to sample loss, affecting testing accuracy and efficiency.

Method used

A sample extraction device for food testing was designed. The device uses a motor-driven lead screw to move a plate and a ring cutter to cut the sample. The sample is collected efficiently through a limiting block and an ejector plate. The sample is cut into a circular and regular shape, and the collection process is stable.

Benefits of technology

This method achieves regular sample cutting and efficient collection, reduces detection errors, and improves the accuracy and efficiency of detection.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223742032U_ABST
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Abstract

The utility model discloses a sample extraction device for food detection, which relates to the technical field of sample extraction devices, and comprises a bottom plate, two vertical plates are symmetrically arranged at the upper end of the bottom plate, a sample placing groove is arranged between the two vertical plates, a through hole is formed in the center of the sample placing groove, and a through hole is formed in the through hole. Two T-shaped sliding rails are symmetrically arranged at the lower end of the sample containing groove, baffles are arranged at the rear ends of the T-shaped sliding rails, sliding blocks are arranged on the outer surfaces of the T-shaped sliding rails, sample collecting boxes are arranged at the lower ends of the two sliding blocks, a motor is arranged at the top of one vertical plate, and a lead screw is arranged at the output end of the motor. A guide rod is arranged in the other vertical plate, moving blocks are arranged on the outer surface of the lead screw and the outer surface of the guide rod, and a moving plate is arranged between the two moving blocks. According to the sample extraction device for food detection, more regular food samples can be cut stably and efficiently, and detection errors caused by sample form differences are effectively reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sample extraction device technical field, especially in food detection with sample extraction device. BACKGROUND

[0002] In modern society, food safety is a vital public health problem, with the rapid development of food industry and the increasing complexity of food supply chain, food may be threatened by various pollutants, such as pesticide residues, veterinary drug residues, heavy metals, microbial toxins, etc., in order to ensure that consumers can eat safe food, accurate, efficient food detection technology has become the key.

[0003] The existing food detection sample extraction method is mostly artificial sample taking, cutting and detecting, the cut sample is irregular, and the sample needs to be manually picked up by tweezers and placed into the sample collection box after cutting, which is more complicated and prone to falling during picking up, causing certain adverse effects on the use process, in order to solve the problems in the background art, we propose a food detection sample extraction device. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a food detection sample extraction device, which can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0006] A food detection sample extraction device, comprising a bottom plate, two vertical plates are symmetrically arranged on the upper end of the bottom plate, a sample placing groove is arranged between the two vertical plates, a through hole is formed in the center position of the sample placing groove, two T-shaped sliding rails are symmetrically arranged at the lower end of the sample placing groove, a baffle is arranged at the rear end of the T-shaped sliding rail, a sliding block is arranged on the outer surface of the T-shaped sliding rail, a sample collection box is arranged at the lower end of the two sliding blocks, a motor is arranged on the top of one vertical plate, a lead screw is arranged at the output end of the motor, a guide rod is arranged in the other vertical plate, a moving block is arranged on the outer surface of the lead screw and the guide rod, a moving plate is arranged between the two moving blocks, two connecting plates are symmetrically arranged at the lower end of the moving plate, a temporary storage box is arranged at the lower end of the two connecting plates, an annular cutter is arranged at the lower end of the temporary storage box, a movable rod is arranged through the center position of the moving plate, a limiting block is arranged at the top of the movable rod, a spring is arranged on the outer surface of the movable rod, and a push-out plate is arranged through the temporary storage box at the lower end of the movable rod.

[0007] Preferably, the two vertical plates are symmetrically welded on the upper end of the bottom plate, the sample placing groove is welded between the two vertical plates, and the two T-shaped sliding rails are symmetrically welded at the lower end of the sample placing groove.

[0008] Preferably, the baffle is welded at the rear end of the T-shaped slide rail, the sliding blocks are in sliding connection with the outer surface of the T-shaped slide rail, and the sample collection box is welded at the lower ends of the two sliding blocks.

[0009] Preferably, the motor is detachably connected with the top of the vertical plate, the lead screw is detachably connected with the output shaft of the motor, and the guide rod is welded in the other vertical plate.

[0010] Preferably, one of the moving blocks is in threaded connection with the outer surface of the lead screw, the other moving block is in sliding connection with the outer surface of the guide rod, and the moving plate is welded between the two moving blocks.

[0011] Preferably, the two connecting plates are symmetrically welded at the lower ends of the moving plate, the temporary storage box is welded at the lower ends of the connecting plates, the annular cutter is detachably connected with the lower end of the temporary storage box, the limiting block is welded at the top of the movable rod, and the push-out plate is detachably connected with the lower end of the movable rod.

[0012] Compared with the prior art, the food sample extraction device has the following beneficial effects:

[0013] 1. The food sample extraction device is provided with a motor, and after the motor is started, the motor drives the lead screw to rotate, and the lead screw drives the moving blocks in threaded connection with the lead screw and the moving plate welded between the two moving blocks to move downward, at this time, the temporary storage box and the annular cutter connected below the moving plate also move downward synchronously, when the annular cutter moves to the through hole at the center position of the sample placing groove, the food in the sample placing groove can be cut in a circular shape and temporarily stored in the temporary storage box, and the cut food sample is more regular than manual cutting, which lays a solid foundation for subsequent accurate component detection and content analysis and greatly reduces the detection error caused by sample shape difference.

[0014] 2. When the cutting and sampling work of the food sample is completed, the limiting block is pressed, and the limiting block drives the movable rod connected therewith to move downward stably, since the push-out plate is fixed at the lower end of the movable rod, when the movable rod moves downward, the push-out plate also moves downward synchronously in the temporary storage box, with the continuous downward movement of the push-out plate, the food sample in the temporary storage box is stably pushed by the plane structure of the push-out plate, the sample is slowly slid downward, finally, the sample is separated from the temporary storage box and directly falls into the sample collection box placed below, so that the purpose of efficient and accurate sample collection is achieved, and the limiting block and the push-out plate can be reset after the sample is pushed out under the action of the spring elasticity, so that subsequent cutting and sampling operation on other food can be conducted. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the overall structure of this utility model from another angle;

[0017] Figure 3 This is a schematic diagram of the temporary storage box and the height adjustment structure of the annular cutter of this utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of the temporary storage box of this utility model.

[0019] In the diagram: 1. Base plate; 2. Vertical plate; 3. Sample placement slot; 4. Through hole; 5. T-shaped slide rail; 6. Baffle; 7. Slider; 8. Sample collection box; 9. Motor; 10. Lead screw; 11. Guide rod; 12. Moving block; 13. Moving plate; 14. Connecting plate; 15. Temporary storage box; 16. Circular cutter; 17. Movable rod; 18. Limiting block; 19. Spring; 20. Push-out plate. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] Example 1, as Figures 1-3 As shown, a sample extraction device for food testing includes a lead screw 10 detachably connected to the output shaft of a motor 9, a guide rod 11 welded inside another vertical plate 2, a moving block 12 threadedly connected to the outer surface of the lead screw 10, another moving block 12 slidably connected to the outer surface of the guide rod 11, a moving plate 13 welded between the two moving blocks 12, two connecting plates 14 symmetrically welded to the lower end of the moving plate 13, a temporary storage box 15 welded to the lower end of the connecting plate 14, and an annular cutter 16 detachably connected to the lower end of the temporary storage box 15.

[0022] When the motor 9 is started, it drives the lead screw 10 to rotate. When the lead screw 10 rotates, it will drive the moving block 12 connected to it and the moving plate 13 welded between the two moving blocks 12 to move downward together. At this time, the temporary storage box 15 and the annular cutter 16 connected below the moving plate 13 also move downward synchronously. When the annular cutter 16 moves to the through hole 4 opened at the center of the sample placement slot 3, it can continue to move downward to cut the food in the sample placement slot 3 in a circular shape and temporarily store it in the temporary storage box 15.

[0023] Example 2, as Figures 1-4 As shown, a sample extraction device for food testing has a movable rod 17 passing through the center of a movable plate 13. A limit block 18 is welded to the top of the movable rod 17, and a spring 19 is sleeved on the outer surface of the movable rod 17. A push-out plate 20 is detachably connected to a temporary storage box 15 through the lower end of the movable rod 17.

[0024] When the cutting sampling work of the food sample is completed, the limiting block 18 is pressed, and the limiting block 18 is forced to move downwards stably, since the lower end of the movable rod 17 is fixed with the push-out plate 20, when the movable rod 17 moves downwards, the push-out plate 20 also moves downwards in the temporary storage box 15, and with the continuous downward movement of the push-out plate 20, the food sample in the temporary storage box 15 is steadily pushed by the push-out plate 20, so that the sample slowly slides downwards, and finally, the sample is separated from the temporary storage box 15 and directly falls into the sample collection box 8 placed below, and under the action of the spring 19, the limiting block 18 and the push-out plate 20 are reset after the sample is pushed out.

[0025] It should be noted that the utility model is a kind of sample extraction device for food detection, when using, the slider 7 on the upper end of sample collection box 8 is aligned with T-shaped slide rail 5, then it is pushed back, so that the slider 7 is slidably connected to the outer surface of T-shaped slide rail 5, and sample collection box 8 is moved to be directly below sample placing groove 3, then the food is placed in sample placing groove 3, and then motor 9 is started, at this time, motor 9 drives screw rod 10 to rotate, at this time, moving block 12 moves downwards along with the rotation of screw rod 10, and then can drive temporary storage box 15 and annular cutter 16 to move downwards, after annular cutter 16 moves to contact with the surface of food, it continues to move downwards and is inserted into through hole 4, at this time, food is cut and sampled, the cut circular sample is clamped in annular cutter 16 or enters temporary storage box 15, at this time, limiting block 18 can drive movable rod 17 and push-out plate 20 to move downwards by pressing, when push-out plate 20 moves downwards, the food sample in temporary storage box 15 is pushed out downwards, so that it falls into sample collection box 8 for collection, then under the action of spring 19, limiting block 18 and push-out plate 20 are reset, so as to facilitate subsequent cutting sampling operation on other food, the whole sampling step is relatively simple, and the cut sample is circular, which is more regular than manual cutting sampling.

[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A sample extraction device for food testing comprising a base plate (1), characterised in that: The bottom plate (1) upper end symmetry is equipped with two stand (2), two the sample placement groove (3) is equipped with between the stand (2), the sample placement groove (3) center position is equipped with through hole (4), the sample placement groove (3) lower end symmetry is equipped with two T type slide rail (5), T type slide rail (5) rear end is equipped with baffle (6), T type slide rail (5) outer surface is equipped with sliding block (7), two the sample collection box (8) is equipped with between the sliding block (7) lower end, a the motor (9) is equipped with in the stand (2) top, the output of motor (9) is equipped with lead screw (10), another the guide rod (11) is equipped with in the stand (2) inside, the lead screw (10) and guide rod (11) outer surface are equipped with moving block (12), two the moving plate (13) is equipped with between the moving block (12), the moving plate (13) lower end symmetry is equipped with two connecting plate (14), two the temporary storage box (15) is equipped with in the connecting plate (14) lower end, the temporary storage box (15) lower end is equipped with annular cutter (16), the moving plate (13) center position is equipped with movable rod (17), the movable rod (17) top is equipped with limit block (18), the movable rod (17) outer surface is equipped with spring (19), the movable rod (17) lower end is equipped with push out plate (20) through the temporary storage box (15).

2. The sample extraction device for food inspection according to claim 1, characterized in that: Two the stand (2) symmetry is welded in the bottom plate (1) upper end, the sample placement groove (3) is welded between two stand (2), two the T type slide rail (5) symmetry is welded in the sample placement groove (3) lower end.

3. The sample extraction device for food inspection according to claim 1, characterized in that: The baffle (6) is welded in T type slide rail (5) rear end, the sliding block (7) and T type slide rail (5) outer surface slidingly connected, the sample collection box (8) is welded with two sliding block (7) lower end.

4. The sample extraction device for food inspection of claim 1, wherein: The motor (9) and a detachable connection of the stand (2) top, the lead screw (10) and the output shaft of motor (9) detachable connection, the guide rod (11) is welded in another stand (2) inside.

5. The sample extraction device for food inspection of claim 1, wherein: One the moving block (12) and the lead screw (10) outer surface thread connection, another the moving block (12) and guide rod (11) outer surface slidingly connected, the moving plate (13) is welded between two moving block (12).

6. The sample extraction device for food inspection of claim 1, wherein: Two the connecting plate (14) symmetry is welded in the moving plate (13) lower end, the temporary storage box (15) is welded in the connecting plate (14) lower end, the annular cutter (16) and the temporary storage box (15) lower end detachable connection, the limit block (18) is welded in the movable rod (17) top, the push out plate (20) and the movable rod (17) lower end detachable connection.