Food detection sample digestion equipment
By designing a food testing sample digestion device that includes a feed cylinder, stirring shaft, spiral blades, and crushing blades, the problem of sample jamming during the sample addition process has been solved, achieving stable and rapid sample digestion and convenient equipment cleaning.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANXI GONGDA ZHIJIAN TECH CO LTD
- Filing Date
- 2025-05-21
- Publication Date
- 2026-05-01
AI Technical Summary
Existing food testing sample digestion equipment is prone to jamming during sample addition, resulting in unstable and slow digestion.
A device comprising a digestion tank, a feeding cylinder, a stirring shaft, spiral blades, a crushing blade, a bevel gear, and a cleaning mechanism is designed. The sample is delivered to the crushing blade position by a motor-driven stirring shaft and spiral blades, and stirred by a stirring plate. At the same time, a digestion auxiliary liquid is introduced for digestion. The cleaning mechanism is used for rinsing and cleaning the inside of the device.
It achieves stable and rapid sample crushing and digestion, improves the ease of cleaning inside the equipment, solves the problem of sample jamming, and ensures the continuity and efficiency of the digestion process.
Smart Images

Figure CN224189680U_ABST
Abstract
Description
A food testing sample digestion device Technical Field
[0001] This utility model relates to the field of food testing technology, specifically to a food testing sample digestion device. Background Technology
[0002] Food sample digestion refers to the process of breaking down organic and inorganic substances in food samples using chemical and physical methods to facilitate subsequent testing and analysis.
[0003] The patent with publication number CN219784570U discloses a food sample stirring and digestion device, which includes a stirring tank, a feeding box above the stirring tank, the bottom of the feeding box penetrating the top of the stirring tank, and a crushing roller with several evenly distributed crushing grooves. The device crushes the introduced material by rotating the crushing roller, thereby making the material easier to digest.
[0004] However, the existing device directly adds the recipe sample to be digested into the feeding box and enters the crushing rollers through the gap between the two guide plates. There is no sample squeezing mechanism in the feeding box. This means that if a large amount of recipe sample is fed into the guide plate, it is easy to get stuck at the opening of the guide plate and not fall into the crushing rollers, thus affecting the crushing and digestion of the sample. To address this, a food testing sample digestion device is proposed to solve the problem that existing digestion devices cannot stably and quickly crush and digest samples. Summary of the Invention
[0005] (a) Technical problems to be solved
[0006] To address the shortcomings of existing technologies, this invention provides a food testing sample digestion device that solves the aforementioned problems.
[0007] (II) Technical Solution
[0008] To achieve the above objectives, this utility model provides the following technical solution: a food testing sample digestion device, comprising a digestion tank, a feeding cylinder fixedly connected to the top of the digestion tank, a fixed frame fixedly connected to the top of the digestion tank, a stirring shaft rotatably mounted at the bottom of the fixed frame, a first motor and a second motor fixedly connected to the top of the fixed frame, a rotating sleeve rotatably connected to the outer ring of the stirring shaft, a spiral blade provided in the inner cavity of the feeding cylinder, a crushing blade provided at the bottom of the spiral blade, bevel gears fixedly connected to the outer ring of the rotating sleeve and the output shaft of the second motor, a discharge port opened on the outer ring of the digestion tank, a cleaning mechanism provided in the inner cavity of the digestion tank, a sealing cap provided in the inner cavity of the discharge port, an insert plate slidably mounted on the outer ring of the digestion tank, a U-shaped scraper provided in the inner cavity of the digestion tank, and a stirring plate fixedly connected to the inner cavity of the U-shaped scraper.
[0009] Preferably, the stirring shaft passes through the fixed frame and is fixedly connected to the output shaft of the first motor, the U-shaped scraper is fixedly connected to the stirring shaft, the outer ring of the U-shaped scraper is in contact with the cavity wall of the digestion tank, and the spiral blades and the crushing blades are both fixed to the outer ring of the rotating sleeve.
[0010] Preferably, the rotating sleeve passes through the fixed frame and the two are rotatably connected by a bearing at their intersection. The outer ring of the rotating sleeve is perpendicularly distributed and meshes with the bevel gear of the output shaft of the second motor.
[0011] Preferably, when the cover blocks the discharge port, the insert plate penetrates into the inner wall of the cover and is slidably connected, and a guide hopper is provided at the bottom of the discharge port.
[0012] Preferably, the cleaning mechanism includes a ring pipe disposed at the top of the inner cavity of the digestion tank, with a water inlet pipe fixedly connected to the outer ring of the ring pipe, and four spray pipes disposed on the inner ring of the ring pipe.
[0013] Preferably, the water inlet pipe penetrates the inner wall of the digestion tank, a first nozzle is provided at the bottom of the annular pipe, and a second nozzle is provided at the bottom of the spray pipe. The first nozzle is vertically downward and the second nozzle is inclined towards the stirring plate.
[0014] Preferably, a pressure plate is provided at the top of the feed cylinder, the pressure plate is penetrated by a rotating sleeve and the two are movably connected, a connecting arm is fixedly connected to the top of the pressure plate, and an electric telescopic rod is fixedly connected to the bottom of the connecting arm.
[0015] (III) Beneficial Effects
[0016] 1. This food sample digestion equipment introduces the food sample to be digested into the feeding cylinder. During the process, the second motor, under the action of two meshing bevel gears, drives the rotating sleeve and spiral blades to rotate, steadily feeding the sample to the crushing blade position. At the same time, the first motor is turned on to drive the stirring shaft and crushing blade to rotate, crushing the food sample and causing it to fall into the digestion tank where it is stirred by the stirring plate. Simultaneously, the digestion auxiliary liquid is introduced from the feeding cylinder for digestion treatment, solving the problem that existing digestion equipment is unable to stably and quickly crush and digest samples.
[0017] 2. This food testing sample digestion equipment, while introducing the digestion auxiliary liquid from the feed cylinder, simultaneously flushes and cleans the feed cylinder cavity wall and internal structure. After digestion is completed, the upper insert plate is moved up, the cap is removed, and the material is discharged. Water is then introduced from the water inlet pipe into the ring pipe. Water sprayed from the first nozzle will spray onto the cavity wall and U-shaped scraper of the digestion tank, while water sprayed from the second nozzle will spray onto the stirring plate. During the process, the stirring shaft is kept rotating, improving the ease of cleaning the inside of this food testing sample digestion equipment. Attached Figure Description
[0018] Figure 1 is a structural diagram of this utility model;
[0019] Figure 2 is a cross-sectional view of the structure of this utility model;
[0020] Figure 3 is a cross-sectional view of the digestion tank structure of this utility model;
[0021] Figure 4 is a schematic diagram of the cleaning mechanism of this utility model.
[0022] In the diagram: 1. Digestion tank; 2. Feed cylinder; 3. Fixing frame; 4. Stirring shaft; 5. First motor; 6. Rotating sleeve; 7. Spiral blade; 8. Crushing knife; 9. Second motor; 10. Bevel gear; 11. Discharge port; 12. Cleaning mechanism; 121. Ring pipe; 122. Water inlet pipe; 123. Spray pipe; 124. First nozzle; 125. Second nozzle; 13. Cover; 14. Insert plate; 15. Guide hopper; 16. Pressure plate; 17. Connecting arm; 18. Electric telescopic rod; 19. U-shaped scraper; 20. Stirring plate. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Example: Please refer to Figures 1-4. A food testing sample digestion device includes a digestion tank 1, a feeding cylinder 2 fixedly connected to the top of the digestion tank 1, a fixed frame 3 fixedly connected to the top of the digestion tank 1, a stirring shaft 4 rotatably mounted at the bottom of the fixed frame 3, a first motor 5 and a second motor 9 fixedly connected to the top of the fixed frame 3, a rotating sleeve 6 rotatably connected to the outer ring of the stirring shaft 4, a spiral blade 7 provided in the inner cavity of the feeding cylinder 2, a crushing blade 8 provided at the bottom of the spiral blade 7, bevel gears 10 fixedly connected to the outer ring of the rotating sleeve 6 and the output shaft of the second motor 9, a discharge port 11 opened on the outer ring of the digestion tank 1, a cleaning mechanism 12 provided in the inner cavity of the digestion tank 1, a cover 13 provided in the inner cavity of the discharge port 11, an insert plate 14 slidably mounted on the outer ring of the digestion tank 1, a U-shaped scraper 19 provided in the inner cavity of the digestion tank 1, and a stirring plate 20 fixedly connected to the inner cavity of the U-shaped scraper 19.
[0025] Furthermore, the stirring shaft 4 passes through the fixed frame 3 and is fixedly connected to the output shaft of the first motor 5. The U-shaped scraper 19 is fixedly connected to the stirring shaft 4. The outer ring of the U-shaped scraper 19 is in contact with the cavity wall of the digestion tank 1. The spiral blade 7 and the crushing blade 8 are both fixed on the outer ring of the rotating sleeve 6.
[0026] Furthermore, the rotating sleeve 6 passes through the fixed frame 3 and the two are rotatably connected by a bearing at their intersection. The outer ring of the rotating sleeve 6 is perpendicularly distributed and meshes with the bevel gear 10 of the output shaft of the second motor 9.
[0027] Furthermore, when the cover 13 blocks the discharge port 11, the insert plate 14 penetrates into the inner wall of the cover 13 and is slidably connected, and a guide hopper 15 is provided at the bottom of the discharge port 11.
[0028] Furthermore, the cleaning mechanism 12 includes a ring pipe 121 located at the top of the inner cavity of the digestion tank 1. The outer ring of the ring pipe 121 is fixedly connected to a water inlet pipe 122, and the inner ring of the ring pipe 121 is provided with four spray pipes 123.
[0029] Furthermore, the water inlet pipe 122 penetrates the inner wall of the digestion tank 1, a first nozzle 124 is provided at the bottom of the ring pipe 121, and a second nozzle 125 is provided at the bottom of the spray pipe 123. The first nozzle 124 is set vertically downward, and the second nozzle 125 is tilted towards the stirring plate 20. While introducing the digestion auxiliary liquid from the feed cylinder 2, the cavity wall and internal structure of the feed cylinder 2 are rinsed and cleaned. After digestion is completed, the insert plate 14 is moved upward, the cap 13 is removed and the material is discharged. Water is then introduced from the water inlet pipe 122 into the ring pipe 121. The water sprayed from the first nozzle 124 will spray onto the cavity wall of the digestion tank 1 and the U-shaped scraper 19, and the water sprayed from the second nozzle 125 will spray onto the stirring plate 20. During the process, the stirring shaft 4 is kept rotating, which improves the convenience of cleaning the inside of this food testing sample digestion equipment.
[0030] Furthermore, a pressure plate 16 is provided at the top of the feed cylinder 2. The pressure plate 16 is penetrated by the rotating sleeve 6 and the two are movably connected. A connecting arm 17 is fixedly connected to the top of the pressure plate 16, and an electric telescopic rod 18 is fixedly connected to the bottom of the connecting arm 17. During the process of putting the food sample into the feed cylinder 2, the electric telescopic rod 18 can be activated to work with the connecting arm 17 to drive the pressure plate 16 down into the feed cylinder 2, thereby pressing the food sample down until it is sent to the crushing knife 8 by the spiral blade 7, thus avoiding clogging the feed cylinder 2 and improving the stability of this food testing sample digestion equipment.
[0031] Working principle: When using this food testing sample digestion equipment, the food sample to be digested is introduced into the feed cylinder 2. During the process, the second motor 9, under the action of two meshing bevel gears 10, drives the rotating sleeve 6 and the spiral blade 7 to rotate. While the sample is stably delivered to the position of the crushing blade 8, the first motor 5 is turned on to drive the stirring shaft 4 and the crushing blade 8 to rotate and crush the food sample. The crushed sample falls into the digestion tank 1 and is stirred by the stirring plate 20. At the same time, the digestion auxiliary liquid is introduced from the feed cylinder 2 for digestion treatment, which solves the problem that existing digestion equipment is difficult to stably and quickly crush and digest samples.
[0032] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A food testing sample digestion apparatus comprising a digestion bucket (1), characterised in that: The top of the digestion tank (1) is fixedly connected to a feed cylinder (2), and the top of the digestion tank (1) is fixedly connected to a fixing frame (3). A stirring shaft (4) is rotatably mounted on the bottom of the fixing frame (3). A first motor (5) and a second motor (9) are fixedly connected to the top of the fixing frame (3). A rotating sleeve (6) is rotatably connected to the outer ring of the stirring shaft (4). A spiral blade (7) is provided in the inner cavity of the feed cylinder (2). A crushing blade (8) is provided at the bottom of the spiral blade (7). The rotating sleeve... (6) The outer ring and the output shaft of the second motor (9) are both fixedly connected to bevel gears (10). The outer ring of the digestion tank (1) is provided with a discharge port (11). The inner cavity of the digestion tank (1) is provided with a cleaning mechanism (12). The inner cavity of the discharge port (11) is provided with a cover (13). The outer ring of the digestion tank (1) is slidably provided with a plate (14). The inner cavity of the digestion tank (1) is provided with a U-shaped scraper (19). The inner cavity of the U-shaped scraper (19) is fixedly connected with a stirring plate (20).
2. A food testing sample digestion apparatus according to claim 1, characterized in that: The stirring shaft (4) passes through the fixed frame (3) and is fixedly connected to the output shaft of the first motor (5). The U-shaped scraper (19) is fixedly connected to the stirring shaft (4). The outer ring of the U-shaped scraper (19) is in contact with the cavity wall of the digestion tank (1). The spiral blade (7) and the crushing blade (8) are both fixed on the outer ring of the rotating sleeve (6).
3. The food detection sample digestion apparatus of claim 1, wherein: The rotating sleeve (6) passes through the fixed frame (3) and the two are rotatably connected by a bearing at their intersection. The outer ring of the rotating sleeve (6) is perpendicularly distributed and meshes with the bevel gear (10) of the output shaft of the second motor (9).
4. The food sample digestion device according to claim 1, characterized in that: When the cover (13) blocks the discharge port (11), the insert plate (14) penetrates into the inner wall of the cover (13) and is slidably connected. A guide hopper (15) is provided at the bottom of the discharge port (11).
5. The food inspection sample digestion apparatus of claim 1, wherein: The cleaning mechanism (12) includes a ring pipe (121) set at the top of the inner cavity of the digestion tank (1), the outer ring of the ring pipe (121) is fixedly connected to a water inlet pipe (122), and the inner ring of the ring pipe (121) is provided with four spray pipes (123).
6. A food testing sample digestion apparatus as claimed in claim 5, wherein: The water inlet pipe (122) penetrates the inner wall of the digestion tank (1). A first nozzle (124) is provided at the bottom of the ring pipe (121), and a second nozzle (125) is provided at the bottom of the spray pipe (123). The first nozzle (124) is set vertically downward, and the second nozzle (125) is tilted towards the stirring plate (20).
7. The food inspection sample digestion apparatus of claim 1, wherein: The top of the feed cylinder (2) is provided with a pressure plate (16), the pressure plate (16) is penetrated by a rotating sleeve (6) and the two are movably connected, the top of the pressure plate (16) is fixedly connected with a connecting arm (17), and the bottom of the connecting arm (17) is fixedly connected with an electric telescopic rod (18).
Citation Information
Patent Citations
Food sample stirring and digesting device
CN219784570U