Automatic sampling device for microbiological detection of dairy products
By designing an automated sampling device for dairy product microbial testing, the problems of insufficient sampling accuracy, complex operation, poor adaptability, and incomplete data recording have been solved, achieving efficient, safe, and accurate microbial testing of dairy products.
Patent Information
- Application Number
- CN202423043546.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-10
AI Technical Summary
Existing automated sampling devices for microbial testing of dairy products suffer from problems such as insufficient sampling accuracy, complex operation, poor adaptability, low degree of automation, and incomplete data recording, which affect testing efficiency and accuracy.
An automated sampling device was designed, comprising a dairy product extraction mechanism, a sterile chamber, a cleaning and disinfection mechanism, a packaging cutting mechanism, a sample extraction mechanism, and a container filling mechanism. It employs components such as an extraction robotic arm, an adjustable gripper, a disinfection nozzle, a lifting sampling needle, and a controller to achieve automated and sterile operation, and integrates environmental monitoring and data recording functions.
It improves sampling efficiency and accuracy, reduces human error, enhances equipment applicability and safety, ensures a sterile environment and data traceability, and improves the reliability and safety of testing.
Smart Images

Figure CN223688343U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to dairy product detection sampling technical field, specifically point to a kind of automatic sampling device for dairy product microbiological detection. BACKGROUND
[0002] In the dairy industry, microbiological detection is a key link to ensure product quality and consumer health. However, the existing automatic sampling device for dairy microbiological detection has some obvious deficiencies in practical application, which limits the efficiency, accuracy and reliability of detection. The following are some main defects of the prior art: sampling precision is insufficient: many existing automatic sampling devices are difficult to ensure the uniformity and representativeness of samples during sampling, which may lead to deviation of detection results. Operation complexity: the operation interface of some automatic sampling devices is not intuitive enough, and operators need to make complex settings and adjustments, which increases the difficulty and risk of operation errors. Poor adaptability: many automatic sampling devices can only be applied to specific types of dairy products or containers, lack of flexibility, which limits their application in different dairy product detection. Limited automation: although called "automatic" sampling device, many devices still require manual intervention in actual use, such as replacing sample containers, adjusting sampling parameters, etc., which reduces the actual effect of automation. Incomplete data recording and tracking: some existing automatic sampling devices lack effective data recording and tracking functions, making it difficult to trace key information during the detection process, which is not conducive to quality control and problem solving. SUMMARY
[0003] To solve the above problems in the prior art, the utility model provides an automatic sampling device for dairy microbiological detection, which can efficiently and aseptically complete dairy sampling work.
[0004] In order to solve the above technical problems, the utility model adopts the technical scheme as follows: A kind of automatic sampling device for dairy product microbiological detection, including dairy product extraction mechanism, sterile room, dairy product package cleaning and disinfecting mechanism, package cutting mechanism, sample extraction mechanism, sample container and container filling mechanism;The dairy product extraction mechanism includes extraction mechanical arm and dairy product conveying belt for conveying dairy product dairy product conveying belt, and the dairy product extraction mechanism is equipped with extraction mechanical arm, and the extraction mechanical arm clamps up dairy product finished product on dairy product conveying belt and shifts to the sterile room, the sterile room is equipped with the cleaning and disinfecting mechanism, the package cutting mechanism, the sample extraction mechanism, the sample container and the container filling mechanism, and the cleaning and disinfecting mechanism includes disinfecting nozzle, and the disinfecting nozzle is used to spray disinfection to dairy product outer package;The package cutting mechanism is used to cut open dairy product package, the sample extraction mechanism is used to extract dairy product sample, and the container filling mechanism quantitatively fills dairy product sample into the sample container;It further includes controller, and the controller is electrically connected with the dairy product extraction mechanism, the dairy product package cleaning and disinfecting mechanism, the package cutting mechanism, the sample extraction mechanism and the container filling mechanism.
[0005] Further, the extraction mechanical arm includes rotating base, hydraulic telescopic rod and gripper, and the gripper width is adjustable. The gripper width is adjustable, and different sizes of dairy product packages are adapted.
[0006] Further, the package cutting mechanism includes motor, rotating blade and lifting driving part, the motor is installed at the end of the lifting driving part, the lifting driving part is used to drive the motor and the rotating blade to move, and the motor drives the rotating blade to rotate for cutting open dairy product package. The lifting driving part is screw telescopic rod.
[0007] Further, the sample extraction mechanism includes lifting sampling needle, sampling tube and fluid pump, the lifting sampling needle is used to penetrate dairy product package and extract dairy product sample into the sampling tube, the lifting sampling needle includes needle tube and cylinder, the needle tube is fixed at the bottom of the push rod of the cylinder, one side of the needle tube is connected with the sampling tube, the sampling tube is provided with the fluid pump, the fluid pump provides negative pressure for the lifting sampling needle, and the sampling tube is connected to the container filling mechanism.
[0008] Further, the container filling mechanism includes interface valve and disposable delivery pipeline, both ends of the disposable delivery pipeline are provided with pipeline interface, the sterile room and the sample container are both provided with the interface valve, the disposable delivery pipeline is connected with the interface valve on the sterile room and the interface valve on the sample container through the pipeline interface at both ends, and the sampling tube is connected with the interface valve of the sterile room.
[0009] Further, the aseptic chamber is also provided with an environmental monitoring sensor for monitoring the temperature and humidity in the aseptic chamber in real time.
[0010] Further, a recycling conveyor belt is also included, which is electrically connected with the controller and located between the dairy product extraction mechanism and the aseptic chamber.
[0011] The automatic sampling device for dairy product microbial detection has the following advantages: efficiency is improved, the automation of extraction, cleaning and disinfection, cutting open, sample extraction, perfusion and conveying process greatly reduces manual operation and improves overall sampling efficiency; aseptic operation is ensured, the design of the aseptic chamber and the aseptic operation window ensures that the sampling process is carried out in a sterile environment, reducing the risk of microbial contamination; high adaptability, the width of the end of the extraction mechanical arm can be adjusted to adapt to dairy product packages of different sizes, increasing the applicability of the equipment; good disinfection effect, the disinfection nozzle can effectively spray and disinfect the outer packaging of the dairy product, improving the uniformity and completeness of disinfection; high-efficiency cutting open of the package, the motor and rotary blade design of the package cutting open mechanism makes the cutting open of the package more efficient, reducing the potential damage to the sample; precise sampling, the lifting sampling needle and sampling tube design of the sample extraction mechanism ensures precise sampling, and the negative pressure provided by the fluid pump helps to accurately control the sampling amount; accurate quantification, the precise metering pump in the container perfusion mechanism ensures accurate quantification perfusion of the sample, which is crucial for subsequent microbial detection; environmental monitoring, the environmental monitoring sensor in the aseptic chamber can monitor the temperature and humidity in real time, ensuring the stability and controllability of the sampling environment; intelligent control, the integration of the controller enables the entire sampling process to be controlled uniformly through electrical connection, improving the convenience and accuracy of operation; reduces human error, automation and intelligent design reduces the manual operation steps, thereby reducing errors and inconsistencies caused by human factors; improves safety, reduces the risk of operators coming into contact with potentially harmful microorganisms through automated operation, improving the safety of operation; data recording and tracking, the controller can record key data during the sampling process, facilitating subsequent data analysis and quality control. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a structural schematic view of the automatic sampling device for dairy product microbial detection of the utility model;
[0013] Figure 2 It is a connection structure schematic view of the controller of the automatic sampling device for dairy product microbial detection of the utility model.
[0014] Among them, 1-Dairy product extraction mechanism, 11-Extraction robotic arm, 111-Rotating base, 112-Hydraulic telescopic rod, 113-Holder, 12-Dairy product conveyor belt, 2-Sterile room, 21-Electrically controlled switch door, 22-Mobile conveyor belt, 3-Cleaning and disinfection mechanism, 31-Disinfection nozzle, 4-Packaging cutting mechanism, 41-Motor, 42-Rotating blade, 43-Lifting drive component, 5-Sample extraction mechanism, 51-Lifting sampling needle, 52-Sampling tube, 53-Fluid pump, 6-Sample container, 7-Container filling mechanism, 71-Interface valve, 72-Disposable delivery pipeline, 8-Controller, 9-Recycling conveyor belt. Detailed Implementation
[0015] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0016] like Figure 1 As shown, this utility model is an automatic sampling device for microbial testing of dairy products, including a dairy product extraction mechanism 1, a sterile chamber 2, a dairy product packaging cleaning and disinfection mechanism 3, a packaging cutting mechanism 4, a sample extraction mechanism 5, a sample container 6, and a container filling mechanism 7. The dairy product extraction mechanism 1 includes an extraction robotic arm 11 and a dairy product conveyor belt 12. The dairy product conveyor belt 12 is used to transport dairy products. The dairy product extraction mechanism 1 is equipped with an extraction robotic arm 11, which picks up the finished dairy products on the dairy product conveyor belt 12 and transfers them to the sterile chamber 2. The sterile chamber 2 is equipped with an electrically controlled door 21 on the side near the dairy product conveyor belt 12. The sterile chamber 2 is equipped with the cleaning and disinfection mechanism 3, the packaging cutting mechanism 4, the sample extraction mechanism 5, the sample container 6, and the container filling mechanism 7. The cleaning and disinfection mechanism 3 includes a disinfection nozzle 31, which is used to spray disinfection on the outer packaging of dairy products. The packaging cutting mechanism 4 is used to cut open the dairy product packaging. The sample extraction mechanism 5 is used to extract dairy product samples. The container filling mechanism 7 quantitatively fills the dairy product samples into the sample container 6.
[0017] After the extraction robotic arm 11 picks up the dairy product, the electrically controlled switch door 21 opens, the extraction robotic arm 11 places the dairy product into the sterile chamber, and the cleaning and disinfection mechanism 3 is activated to sterilize and disinfect the outer packaging of the dairy product.
[0018] Further, a controller 8 is further included, which is electrically connected with the milk product extracting mechanism 1, the milk product package cleaning and disinfecting mechanism 3, the package cutting mechanism 4, the sample extracting mechanism 5 and the container filling mechanism 7.
[0019] Further, the extracting mechanical arm 11 includes a rotating base 111, a hydraulic telescopic rod 112 and a gripper 113, and the gripper 113 is adjustable in width. The gripper 113 is adjustable in width to adapt to milk products of different sizes.
[0020] Further, the extracting mechanical arm 11 is further provided with a visual detection camera, which is electrically connected with the controller 8, and is used to detect the position and size of the milk product, so as to control the extracting mechanical arm 11 to adjust the width and position of the gripper 113.
[0021] Further, the sterile room 2 is further provided with a moving conveying belt 22 and photoelectric sensors, which are electrically connected with the controller 8, and the photoelectric sensors are arranged on both sides of the moving conveying belt 22, and are used to detect the position of the milk product. The extracting mechanical arm 11 is arranged above the moving conveying belt 22, and the moving conveying belt 22 is used to sequentially move the milk product below the package cutting mechanism 4 and the sample extracting mechanism 5.
[0022] Further, the package cutting mechanism 4 includes a motor 41, a rotating blade 42 and a lifting driving member 43. The motor 41 is installed at the end of the lifting driving member 43, the lifting driving member 43 is used to drive the motor 41 and the rotating blade 42 to move, and the motor 41 drives the rotating blade 42 to rotate to cut the milk product package. The lifting driving member 43 is a threaded telescopic rod.
[0023] Further, the sample extracting mechanism 5 includes a lifting sampling needle 51, a sampling tube 52 and a fluid pump 53. The lifting sampling needle 51 is used to penetrate the milk product package and extract the milk product sample into the sampling tube 52. The lifting sampling needle 51 includes a needle tube and a cylinder. The needle tube is fixed at the bottom of the push rod of the cylinder, and one side of the needle tube is connected with the sampling tube 52. The sampling tube 52 is provided with the fluid pump 53, the fluid pump 53 provides negative pressure for the lifting sampling needle 51, and the sampling tube 52 is connected with the container filling mechanism 7.
[0024] The data driving member 43 drives the rotating blade 42 to descend to cut the milk product package, and then the moving conveying belt 22 moves the milk product below the sample extracting mechanism 5, and the needle tube of the lifting sampling needle 51 descends to insert into the opening of the milk product package to extract the milk product sample.
[0025] Further, the container filling mechanism 7 comprises an interface valve 71 and a disposable delivery pipe 72, both ends of the disposable delivery pipe 72 are provided with pipe interfaces, the sterile chamber 2 and the sample container 6 are both provided with the interface valve 71, the disposable delivery pipe 72 connects the interface valve 71 on the sterile chamber 2 and the interface valve 71 on the sample container 6 through the pipe interfaces at both ends, and the sampling tube 52 is connected to the interface valve 71 of the sterile chamber 2.
[0026] Further, the sterile chamber 2 is also provided with an environment monitoring sensor for real-time monitoring of the temperature and humidity in the sterile chamber.
[0027] Further, a recycling conveyor belt 9 is also included, which is electrically connected with the controller 8 and located between the dairy product extraction mechanism 1 and the sterile chamber 2; after the dairy product is sampled, the moving conveyor belt 22 pushes the dairy product onto the recycling conveyor belt 9.
[0028] The automatic sampling device for dairy product microbial detection has the following advantages: efficiency is improved, the automatic extraction, cleaning and disinfection, cutting open, sample extraction, filling and conveying processes greatly reduce manual operation and improve overall sampling efficiency; aseptic operation is ensured, the design of the sterile chamber and the sterile operation window ensures that the sampling process is carried out in a sterile environment, reducing the risk of microbial contamination; strong adaptability, the width of the end of the extraction mechanical arm can be adjusted to adapt to dairy product packages of different sizes, increasing the applicability of the equipment; good disinfection effect, the disinfection nozzle can effectively spray and disinfect the outer packaging of the dairy product, improving the uniformity and completeness of disinfection; high-efficiency cutting open of the packaging, the motor and rotary blade design of the packaging cutting open mechanism makes cutting open of the packaging more efficient, reducing potential damage to the sample; precise sampling, the lifting sampling needle and sampling tube design of the sample extraction mechanism ensures precise extraction of the sample, and the negative pressure provided by the fluid pump helps to accurately control the sampling amount; accurate quantification, the precise metering pump in the container filling mechanism ensures accurate quantification of the sample, which is crucial for subsequent microbial detection; environment monitoring, the environment monitoring sensor in the sterile chamber can monitor the temperature and humidity in real time, ensuring the stability and controllability of the sampling environment; intelligent control, the integration of the controller enables the entire sampling process to be uniformly controlled through electrical connection, improving the convenience and accuracy of operation; reduces human error, the automation and intelligent design reduces the manual operation steps, thereby reducing errors and inconsistencies caused by human factors; improves safety, reduces the risk of operators contacting potentially harmful microorganisms through automated operation, improving the safety of operation; data recording and tracking, the controller can record key data during the sampling process, facilitating subsequent data analysis and quality control.
[0029] The above describes the present application and its embodiments, which are not restrictive, and the drawings only show one of the embodiments of the present application. The actual structure is not limited thereto. In general, if a person skilled in the art is inspired by the above description, without departing from the spirit of the present application, similar structural modes and embodiments can be designed without creativity, which should be within the protection scope of the present application.
Claims
1. An automatic sampling device for dairy product microbiological detection, characterized in that: The application relates to a milk product sample extraction device, which comprises a milk product extraction mechanism (1), a sterile chamber (2), a milk product package cleaning and disinfecting mechanism (3), a package cutting mechanism (4), a sample extraction mechanism (5), a sample container (6) and a container filling mechanism (7); the milk product extraction mechanism (1) comprises an extraction mechanical arm (11) and a milk product conveying belt (12), the milk product conveying belt (12) is used for conveying milk products, the milk product extraction mechanism (1) is provided with the extraction mechanical arm (11), the extraction mechanical arm (11) clamps and transfers a milk product finished product on the milk product conveying belt (12) to the sterile chamber (2), the sterile chamber (2) is provided with an electric control switch door (21) on one side close to the milk product conveying belt (12), the sterile chamber (2) is internally provided with the cleaning and disinfecting mechanism (3), the package cutting mechanism (4), the sample extraction mechanism (5), the sample container (6) and the container filling mechanism (7), the cleaning and disinfecting mechanism (3) comprises a disinfecting nozzle (31), the disinfecting nozzle (31) is used for spraying and disinfecting the outer package of the milk product; the package cutting mechanism (4) is used for cutting the package of the milk product, the sample extraction mechanism (5) is used for extracting a milk product sample, and the container filling mechanism (7) quantitatively fills the milk product sample into the sample container (6).
2. The automatic sampling device for detecting microorganisms in dairy products according to claim 1, characterized in that: The device further comprises a controller (8), which is electrically connected with the milk product extraction mechanism (1), the milk product package cleaning and disinfecting mechanism (3), the package cutting mechanism (4), the sample extraction mechanism (5) and the container filling mechanism (7).
3. The automatic sampling device for detecting microorganisms in dairy products according to claim 2, characterized in that: The sterile chamber (2) is further provided with a moving conveying belt (22) and a photoelectric sensor, the moving conveying belt (22) and the photoelectric sensor are electrically connected with the controller (8), a plurality of photoelectric sensors are arranged on both sides of the moving conveying belt (22), the photoelectric sensors are used for detecting the position of the milk product, the extraction mechanical arm (11) is arranged above the moving conveying belt (22), and the moving conveying belt (22) is used for sequentially moving the milk product below the package cutting mechanism (4) and below the sample extraction mechanism (5).
4. The automatic sampling device for detecting microorganisms in dairy products according to claim 2, characterized in that: The extraction mechanical arm (11) comprises a rotating base (111), a hydraulic telescopic rod (112) and a gripper (113), and the width of the gripper (113) can be adjusted.
5. The automatic sampling device for detecting microorganisms in dairy products according to claim 2, characterized in that: The package cutting mechanism (4) comprises a motor (41), a rotating blade (42) and a lifting driving element (43), the motor (41) is installed at the tail end of the lifting driving element (43), the lifting driving element (43) is used for driving the motor (41) and the rotating blade (42) to move, and the motor (41) drives the rotating blade (42) to rotate and cut the package of the milk product.
6. The automatic sampling device for detecting microorganisms in dairy products according to claim 2, characterized in that: The sample extraction mechanism (5) comprises a lifting sampling needle (51), a sampling tube (52) and a fluid pump (53), the lifting sampling needle (51) is used for penetrating the dairy product package and extracting the dairy product sample into the sampling tube (52), the sampling tube (52) is provided with the fluid pump (53), the fluid pump (53) provides negative pressure for the lifting sampling needle (51), and the sampling tube (52) is connected to the container filling mechanism (7).
7. The automatic sampling device for dairy microbiology detection according to claim 6, characterized in that: The container filling mechanism (7) comprises an interface valve (71) and a disposable delivery pipeline (72), both ends of the disposable delivery pipeline (72) are provided with pipeline interfaces, the sterile chamber (2) and the sample container (6) are both provided with the interface valve (71), the disposable delivery pipeline (72) connects the interface valve (71) on the sterile chamber (2) and the interface valve (71) on the sample container (6) through the pipeline interfaces at both ends, and the sampling tube (52) is connected to the interface valve (71) of the sterile chamber (2).
8. The automatic sampling device for detecting microorganisms in dairy products according to claim 3, characterized in that: Further comprising a recovery conveying belt (9), the recovery conveying belt (9) is electrically connected with the controller (8), and the recovery conveying belt (9) is located between the dairy product extraction mechanism (1) and the sterile chamber (2).