Automatic sample preparation equipment for food inspection and detection samples

By designing automated food testing sample preparation equipment, the problems of sample separation, residue, and unevenness before sample division have been solved, achieving sample uniformity and convenient cleaning, and improving the accuracy of testing and the service life of the equipment.

CN223808213UActive Publication Date: 2026-01-16QINZHOU QINBEI DISTRICT PRODUCT QUALITY & SAFETY INSPECTION INSTITUTE
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Patent Information

Application Number
CN202423271989.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-16
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing food testing and inspection equipment suffers from problems such as stratification, sample residue, and uneven sample volume before sample separation, which affect the representativeness and accuracy of the test results. Furthermore, it is inconvenient to clean, resulting in wasted time and costs.

Method used

An automated sample preparation device was designed, which includes pretreatment, transfer and dispensing mechanisms. It utilizes components such as a filter screen, processing box, processing motor, stirring plate, transfer pipe, electric valve, and water pump to achieve automated mixing, transfer and dispensing of samples, ensuring sample homogeneity and ease of cleaning.

Benefits of technology

It achieves uniform mixing and automatic transfer of samples, reduces detection errors, avoids sample contamination, improves cleaning efficiency, extends equipment life, and supports flexible dispensing of various container types.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses automatic sample preparation equipment for food inspection and detection samples, which comprises a main body, a pretreatment mechanism, a transmission mechanism and a split charging mechanism, the pretreatment mechanism comprises a filter screen, a treatment box, a treatment motor and a stirring plate, and the transmission mechanism comprises a transmission pipe, a first electric valve, a water pump, a discharge pipe and a second electric valve. The split charging mechanism comprises a split charging motor, a rotating disc, a spring and a placing frame, under the mutual cooperation effect of the above mechanisms, impurities and insoluble substances are removed through filtering, liquid samples are purer, the impurities are prevented from interfering with subsequent detection, the uniformity of the samples can be ensured after mixing, and the quality of the samples is improved. According to the device, each part of a sample has the same detection condition, the analysis error is reduced, in addition, the device can automatically control sample transmission and is combined with a cleaning function, residual liquid or substances can be effectively cleaned, and different samples are ensured not to be polluted.
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Description

TECHNICAL FIELD

[0001] The utility model relates to food inspection technical field, concretely is a kind of food inspection test sample automatic sample preparation equipment. BACKGROUND

[0002] The core function of a kind of food inspection test sample automatic sample preparation equipment is to realize the automation, standardization and high efficiency of sample from collection to detection preparation.

[0003] First, if sample is not mixed before sample is divided to food, stratification phenomenon can exist, leading to sampling part cannot represent the whole, affect the representativeness of detection result.

[0004] Second, if sample residue can mix into next sample, leading to inaccurate detection result, and even need to resample, waste time and cost, and its traditional manual cleaning is time-consuming and laborious, and easy to miss hidden area inside equipment, affect cleaning quality.

[0005] Finally, if full dependence on artificial, there is no standardization of subpackaging auxiliary equipment, easy to cause sample quantity uneven, affect the comparability of subsequent detection data. UTILITY MODEL CONTENT

[0006] (1) technical problem solved

[0007] In view of the deficiencies of prior art, the utility model provides a kind of food inspection test sample automatic sample preparation equipment to solve the technical problems mentioned in background art.

[0008] (2) technical scheme

[0009] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of food inspection test sample automatic sample preparation equipment, including main body, pretreatment mechanism, transmission mechanism and subpackaging mechanism, the pretreatment mechanism includes filter screen, processing box, processing motor and agitator plate, the filter screen is fixedly installed on main body, the processing box is fixedly installed in main body, the processing motor is fixedly installed on main body, the agitator plate one end is fixedly connected with processing motor and is rotationally connected with processing box, the transmission mechanism includes transmission pipe, first electric valve, water pump, discharge pipe and second electric valve, the transmission pipe one end is fixedly installed in the bottom of processing box, the first electric valve is fixedly installed on transmission pipe, the water pump is fixedly installed in main body and is fixedly connected with transmission pipe one end, the discharge pipe one end is fixedly connected with water pump, the second electric valve is fixedly installed on discharge pipe.

[0010] Preferably, the dispensing mechanism comprises a dispensing motor, a rotating disc, a spring and a placing rack, the dispensing motor is fixedly installed at the bottom of the main body, the rotating disc is installed in the main body and fixedly connected with the output end of the dispensing motor, the spring is installed in the rotating disc and fixedly connected with the placing rack at the other end, and the placing rack is installed in the rotating disc and slidably connected with the rotating disc.

[0011] Preferably, the main body is provided with an external pipe, the external pipe is installed on the main body and fixedly connected with the treatment box, the main body is provided with a feeding port, and the filter screen is installed in the feeding port, so that the material is conveniently filtered.

[0012] Preferably, the stirring plate is provided with a flow-through hole, and a flow-following plate is installed in the flow-through hole and rotationally connected with the stirring plate, so that the water flow in the treatment box is conveniently secondarily mixed.

[0013] Preferably, the treatment box is provided with a clamping disc, and one end of the stirring plate is installed in the clamping disc and rotationally connected with the clamping disc, so that the stirring plate is conveniently rotationally driven.

[0014] Preferably, the discharge pipe is provided with a shunt pipe, the shunt pipe is provided with a sealing plug, and the sealing plug is threadedly engaged with the shunt pipe, so that the device is conveniently used for cleaning the inside of the treatment box.

[0015] Preferably, the rotating disc is provided with a sliding groove, the sliding groove is provided with a through rod, and the placing rack slides in the sliding groove, so that the placing rack is conveniently taken out.

[0016] Preferably, the main body is provided with a treatment layer, a transmission layer and a dispensing layer, the treatment box is installed on the treatment layer, the water pump is installed on the transmission layer, and the rotating disc is installed on the dispensing layer, so that the devices of various mechanisms are conveniently operated.

[0017] (Three) beneficial effects

[0018] Compared with the prior art, the food inspection and detection sample automatic sample preparation equipment has the following beneficial effects:

[0019] In the utility model, through the mutual cooperation of the filter screen, the treatment box, the treatment motor and the stirring plate, the device removes impurities and insoluble substances through filtration, so that the liquid sample is more pure, the subsequent detection is not disturbed by impurities, the sample uniformity is ensured after mixing, each part of the sample has the same detection condition, and the analysis error is reduced.

[0020] The utility model discloses a transmission mechanism is set up, under the mutual cooperation of transmission pipe, first electric valve, water pump, discharge pipe and second electric valve etc. component, this device can automatically control sample transmission, and can effectively clean residual liquid or material, ensure that the pollution does not appear between different samples, the convenient design of the processing box reduces the risk of equipment failure caused by residual corrosion or accumulation, prolongs the equipment life.

[0021] The utility model discloses a split charging mechanism is set up, under the mutual cooperation of split charging motor, rotary disc, spring and rack etc. component, this device can flexibly respond to different container types or special needs on the basis of automation and manual assistance, ensure the accuracy of sample split charging. DRAWINGS

[0022] Figure 1 It is overall structure schematic drawing of automatic sample preparation equipment for food inspection and test in the utility model;

[0023] Figure 2 It is another angle overall structure schematic drawing in the utility model;

[0024] Figure 3 It is main body internal structure section view in the utility model;

[0025] Figure 4 It is processing box internal structure section view in the utility model;

[0026] Figure 5 It is split charging mechanism explosion view in the utility model.

[0027] In the drawing: 1, main body;2, filter screen;3, processing box;4, processing motor;5, agitating plate;6, transmission pipe;7, first electric valve;8, water pump;9, discharge pipe;10, second electric valve;11, split charging motor;12, rotary disc;13, spring;14, rack;15, external connection pipe;16, feed inlet;17, flow hole;18, with flow board;19, clamping disc;20, shunt pipe;21, sealing plug;22, sliding groove;23, through rod;24, processing layer;25, transmission layer;26, split charging layer. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with 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. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0029] Embodiment 1:

[0030] Please refer to Figures 1-5 The utility model provides a food inspection sample automatic sample preparation equipment, including main part 1, pretreatment mechanism, transmission mechanism and split charging mechanism, the pretreatment mechanism includes filter screen 2, processing box 3, processing motor 4 and agitating plate 5, the filter screen 2 fixed mounting is on main part 1, processing box 3 is fixedly installed in the inside of main part 1, processing motor 4 is fixedly installed on main part 1, the agitating plate 5 one end is fixedly connected with processing motor 4 and is rotatably connected with processing box 3, the transmission mechanism includes transmission pipe 6, first electric valve 7, water pump 8, discharge pipe 9 and second electric valve 10, transmission pipe 6 one end fixed mounting is on the bottom of processing box 3, first electric valve 7 is fixedly installed on transmission pipe 6, water pump 8 is fixedly installed in the inside of main part 1 and is fixedly connected with transmission pipe 6 one end, discharge pipe 9 one end is fixedly connected with water pump 8, second electric valve 10 is fixedly installed on discharge pipe 9.

[0031] In the embodiment, the pretreatment mechanism includes filter screen 2, processing box 3, processing motor 4 and agitating plate 5, when using, the filter screen 2 can be placed into the feed inlet 16, then the material is added into the feed inlet 16, and in order to prevent the viscosity of the material or the excessive pH value, water or neutralizing liquid is added into the processing box 3 fixed on the processing layer 24 under the action of the external pipe 15, after the material in the processing box 3 contacts with the water or neutralizing liquid transmitted in the external pipe 15, the processing motor 4 is driven to directly drive the agitating plate 5 to rotate in the clamping disc 19, and the flow-through hole 17 of the agitating plate 5 also starts to rotate with the flow plate 18, so that the liquid in the processing box 3 is fully mixed.

[0032] In the embodiment, the transmission mechanism includes transmission pipe 6, first electric valve 7, water pump 8, discharge pipe 9 and second electric valve 10, after the liquid in the processing box 3 is fully mixed, the first electric valve 7 is opened, the liquid in the processing box 3 enters the transmission pipe 6 under the action of gravity, and under the action of the water pump 8 fixed on the transmission layer 25, the liquid can directly enter the discharge pipe 9 through the transmission pipe 6, and the liquid is split charged through the discharge pipe 9, the second electric valve 10 is opened, when the processing box 3 needs to be cleaned, the cleaning liquid can be poured into the processing box 3, the first electric valve 7 is closed, and the processing motor 4 is driven, after the processing box 3 is cleaned, the first electric valve 7 is opened, the second electric valve 10 is closed, and the sealing plug 21 on the shunt pipe 20 is removed, so that the water pump 8 pumps the liquid to spray the liquid in the shunt pipe 20, so that the transmission pipe 6 and the discharge pipe 9 are all cleaned.

[0033] In the embodiment, the dispensing mechanism comprises a dispensing motor 11, a rotating disc 12, a spring 13 and a placing rack 14. In use, the containers are placed in the placing rack 14 in advance. Then, the second electric valve 10 and the first electric valve 7 on the discharge pipe 9 are opened, and the water pump 8 is operated. The containers are rotated on the rotating disc 12 under the drive of the dispensing motor 11, and change positions after receiving the material. Another container on the rotating disc 12 starts to fill the liquid in the processing tank 3. When the container is filled, the container on the rotating disc 12 rushes to the outlet of the main body 1. The placing rack 14 is pulled to slide on the through rod 23 of the sliding groove 22 and compress the spring 13. After the container filled with liquid is taken off, the placing rack 14 is loosened. Under the action of the spring 13, the placing rack 14 is reset. The dispensing motor 11 is operated again to rotate the rotating disc 12 installed in the dispensing layer 26 in sequence.

[0034] Embodiment 2

[0035] In use, the filter screen 2 can be placed in the feed inlet 16, and then the material is added to the feed inlet 16. In order to prevent the viscosity of the material or the excessive pH value, water or neutralizing liquid can be added to the treatment tank 3 installed on the treatment layer 24 under the action of the external pipe 15. After the material in the treatment tank 3 contacts the water or neutralizing liquid transmitted in the external pipe 15, the treatment motor 4 is driven to directly drive the stirring plate 5 to rotate in the clamping disc 19. The flow-through hole 17 of the stirring plate 5 also starts to rotate while rotating, and the liquid in the treatment tank 3 is fully mixed. When the material is uniformly mixed, the first electric valve 7 is opened, and the liquid in the treatment tank 3 enters the transmission pipe 6 under the action of gravity. Under the action of the water pump 8 fixedly installed on the transmission layer 25, the liquid can directly enter the discharge pipe 9 through the transmission pipe 6, and the liquid is packaged through the discharge pipe 9. The second electric valve 10 is opened. When it is necessary to clean the inside of the treatment tank 3, cleaning liquid can be poured into the treatment tank 3, and the first electric valve 7 is closed. The treatment motor 4 is driven. When the inside of the treatment tank 3 is cleaned, the first electric valve 7 is opened, the second electric valve 10 is closed, and the sealing plug 21 on the shunt pipe 20 is removed, so that the water pump 8 pumps the liquid to spray the liquid in the shunt pipe 20, thereby cleaning the transmission pipe 6 and the discharge pipe 9. The liquid to be transmitted is packaged. Before packaging, the container is placed in the placing rack 14 in advance. Then, with the opening of the second electric valve 10 and the first electric valve 7 on the discharge pipe 9 and the operation of the water pump 8, the container is driven by the packaging motor 11 to rotate on the rotating disc 12, and after receiving the material, it changes position. Another container on the rotating disc 12 starts to fill the liquid in the treatment tank 3. When the container is filled, the container on the rotating disc 12 rushes to the outlet of the main body 1, and the placing rack 14 is pulled to make the placing rack 14 slide on the through rod 23 of the sliding groove 22 and compress the spring 13. After the container filled with liquid is removed, the placing rack 14 is loosened, and the placing rack 14 is reset under the action of the spring 13. The packaging motor 11 is operated again to make the rotating disc 12 installed in the packaging layer 26 rotate in turn.

[0036] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection mode, which will not be described one by one here. In the above, whenever there is a fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A food inspection test sample automatic sample preparation apparatus comprising a main body (1), a pretreatment mechanism, a transfer mechanism, and a dispensing mechanism, characterized by, The preprocessing mechanism includes a filter screen (2), a processing box (3), a processing motor (4) and an agitating plate (5), the filter screen (2) is fixedly installed on the main body (1), the processing box (3) is fixedly installed inside the main body (1), the processing motor (4) is fixedly installed on the main body (1), one end of the agitating plate (5) is fixedly connected with the processing motor (4) and rotationally connected with the processing box (3), the transmission mechanism includes a transmission pipe (6), a first electric valve (7), a water pump (8), a discharge pipe (9) and a second electric valve (10), one end of the transmission pipe (6) is fixedly installed at the bottom of the processing box (3), the first electric valve (7) is fixedly installed on the transmission pipe (6), the water pump (8) is fixedly installed inside the main body (1) and fixedly connected with one end of the transmission pipe (6), one end of the discharge pipe (9) is fixedly connected with the water pump (8), and the second electric valve (10) is fixedly installed on the discharge pipe (9).

2. The food inspection test sample automatic preparation equipment according to claim 1, characterized in that: The sub-packaging mechanism includes a sub-packaging motor (11), a rotating disc (12), a spring (13) and a placing rack (14), the sub-packaging motor (11) is fixedly installed at the bottom of the main body (1), the rotating disc (12) is installed inside the main body (1) and fixedly connected with the output end of the sub-packaging motor (11), the spring (13) is installed inside the rotating disc (12) and fixedly connected with the other end of the placing rack (14), and the placing rack (14) is installed inside the rotating disc (12) and slidingly connected with the rotating disc (12).

3. A food inspection test sample automatic preparation apparatus according to claim 2, characterized by: An external connecting pipe (15) is installed on the main body (1) and fixedly connected with the processing box (3), a feeding port (16) is arranged on the main body (1), and the filter screen (2) is installed in the feeding port (16).

4. The food inspection test sample automatic preparation apparatus according to claim 1, characterized by: A flow-through hole (17) is arranged inside the agitating plate (5), a flow-following plate (18) is installed in the flow-through hole (17), and the flow-following plate (18) is rotationally connected with the agitating plate (5).

5. The food inspection test sample automatic preparation apparatus according to claim 2, characterized by: A clamping disc (19) is arranged inside the processing box (3), and one end of the agitating plate (5) is installed in the clamping disc (19) and rotationally connected with the clamping disc (19).

6. The food inspection test sample automatic preparation apparatus according to claim 1, characterized by: A shunt pipe (20) is arranged on the discharge pipe (9), a sealing plug (21) is installed on the shunt pipe (20), and the sealing plug (21) is threadedly engaged with the shunt pipe (20).

7. The food inspection test sample automatic preparation apparatus according to claim 2, characterized by: A sliding groove (22) is arranged inside the rotating disc (12), a through rod (23) is arranged inside the sliding groove (22), and the placing rack (14) slides in the sliding groove (22).

8. A food inspection test sample automatic preparation apparatus according to claim 7, characterized by: A processing layer (24), a transmission layer (25) and a sub-packaging layer (26) are arranged inside the main body (1), the processing box (3) is installed on the processing layer (24), the water pump (8) is installed on the transmission layer (25), and the rotating disc (12) is installed on the sub-packaging layer (26).