Homogenizing device and method for cleaning residues of homogenizing head by utilizing airflow

Abstract

The invention discloses a homogenizing device and method for cleaning residues on a homogenizing head by using airflow, the homogenizing device comprises a homogenizer mounting seat, a homogenizing motor, a homogenizer, a second air inlet hole, a first gap and a second gap, and a closed airflow channel is formed; the first air inlet hole, the annular groove, the second vent hole, the inner pipe mounting hole, the inner pipe hole, the air outlet hole, the longitudinal air hole, the first micro hole, the second micro hole and the third micro hole form a purging airflow channel. By means of the ingeniously designed airflow channel structure, residues on the tool bit of the homogenizer are efficiently cleaned, and the problems that in the cleaning process of an existing homogenizer, the structure is complex, the cleaning effect is poor, the detection precision is affected, and the cleaning efficiency is low are effectively solved. The closed airflow channel is used for preventing liquid from entering gaps difficult to clean in the homogenizing process, meanwhile, the tool bit is subjected to purging through the purging airflow channel after homogenizing is completed, and cleanliness and dryness are guaranteed.

Description

Technical Field

[0001] The present invention belongs to the field of laboratory sample pretreatment equipment, and relates to a homogenizing device, specifically a homogenizing device and method for cleaning residues on a homogenizing head by using air flow. Background Art

[0002] Homogenizers are widely used in laboratory tests to mix the samples to be tested and solvents evenly to achieve the standard solutions required for testing. After processing the samples, the working parts of the cutter heads of the existing probe rotary blade homogenizers are prone to residue of materials. These residues will not only pollute the working environment, but may also affect the accuracy of subsequent tests and even pose a threat to the health of operators.

[0003] Currently, the probe rotary blade fully automatic homogenizers on the market generally use the lifting drive mechanism and the homogenizing drive mechanism in the homogenizing device to drive the homogenizer to enter each working station in turn for homogenizing, cleaning, and disinfection treatments respectively. However, when these homogenizers leave the container after completing the established actions, materials will remain on the working parts of the cutter heads of the homogenizers, and the residual materials on the working parts of the cutter heads will be carried out of the container together with the cutter heads. The liquid residues on the working parts of the cutter heads are extremely likely to be scattered in the working environment.

[0004] To solve this problem, various technical solutions have emerged in the prior art. For example, a component for preventing residual liquid from dripping and cross-contaminating is used to collect the liquid dropping from the working parts of the cutter heads, avoiding cross-contamination caused by the dripping of residual liquid.

[0005] In the process of implementing the present invention, the inventor found that there is at least one of the following technical problems in the prior art:

[0006] Complex structure: It is necessary to add a component for preventing residual liquid from dripping and cross-contaminating, and the structure is relatively complex, increasing the manufacturing cost and maintenance difficulty of the equipment.

[0007] Poor cleaning effect: These dripping liquids bring a certain amount of workload for later cleaning, and still cannot avoid the corrosion and contamination of toxic component materials in the liquid to the working environment, and even affect the physical health of the testing personnel.

[0008] Influence on detection accuracy: After each processing is completed, the residues on the working parts of the cutter heads of the homogenizer are not cleaned and dried. The cutter heads not only take away the materials in the homogenizing solution, but also bring the liquid after the previous cleaning (or disinfection) into the homogenizing solution, thus changing the composition of each component substance in the homogenizing solution and affecting the detection accuracy.

[0009] Low cleaning efficiency: It is extremely difficult to clean the solid materials stuck in the dead corners of the working parts of the cutter heads with ordinary cleaning methods, affecting the service life and detection effect of the homogenizer. Summary of the Invention

[0010] In view of this, the object of the present invention is to provide a homogenizing device and method for cleaning residues on a homogenizing head by using air flow, which can effectively solve the problems existing in the prior homogenizer during the cleaning process, such as complex structure, poor cleaning effect, affected detection accuracy, and low cleaning efficiency.

[0011] Through long-term exploration and attempts, as well as multiple experiments and efforts, and continuous reform and innovation, the inventors provide the following technical solution to solve the above technical problems. A homogenizing device for cleaning residues on a homogenizing head by using air flow includes

[0012] A homogenizer mounting seat: including a motor mounting section, an outer tube mounting section, and a spacer ring. The motor mounting section is provided with a first air inlet hole and a second air inlet hole. The outer tube mounting section is used for mounting an outer tube. The spacer ring is equipped with an upper sealing ring and a lower sealing ring, as well as a first air vent hole;

[0013] A homogenizing motor: including a power output shaft, and the power output shaft is provided with an inner tube mounting hole, a second air vent hole, and a ring groove;

[0014] A homogenizer: including an outer tube, an inner tube, a terminal, and a guide sleeve. Both the outer tube and the inner tube are tubular structures and are vertically through. A plurality of triangular prism-shaped grid plates are evenly arranged at the lower part of the outer tube. The terminal is connected to the bottom end of the inner tube. The terminal is provided with a plurality of support feet, and each support foot is provided with a longitudinal air hole with an upper opening and a lower closed end. A first groove, a second groove, N first micro holes, N second micro holes, and N third micro holes are communicated with the longitudinal air hole. The guide sleeve is placed above the first step on the inner wall of the outer tube and below the second step on the outer wall of the inner tube. A first gap is provided between the outer tube and the inner tube, and a second gap is provided between the sleeve and the outer wall of the inner tube or the inner wall of the outer tube;

[0015] Among them, the second air inlet hole, the first gap, and the second gap form a closed air flow channel; the first air inlet hole, the ring groove, the second air vent hole, the inner tube mounting hole, the inner tube hole, the air outlet hole, the longitudinal air hole, the first micro hole, the second micro hole, and the third micro hole form a flushing air flow channel.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] Through the ingeniously designed air flow channel structure, the present invention achieves efficient cleaning of the residues on the homogenizer cutter head, effectively solving the problems existing in the existing homogenizer during the cleaning process, such as complex structure, poor cleaning effect, affected detection accuracy, and low cleaning efficiency. Specifically, the present invention uses a closed air flow channel to prevent liquid from entering the difficult-to-clean gaps during the homogenization process, and at the same time blows and washes the cutter head through the flushing air flow channel after the homogenization is completed to ensure cleaning and drying. This design not only simplifies the equipment structure, reduces the manufacturing cost and maintenance difficulty, but also significantly improves the cleaning effect, avoiding the pollution of the working environment by residues and the threat to the health of the detection personnel.

[0018] Based on the above technical solutions, the present invention can be further improved as follows:

[0019] Furthermore: The homogenizer further includes a quick-release mechanism: including a first pin hole, a positioning pin, a sliding ring, a locking ring, a disassembly groove, a spring, and a retaining ring, which facilitates the quick disassembly and installation of the homogenizer; the locking ring is slidably fitted with the outer side wall of the outer tube installation section; the locking ring and the disassembly groove are located on the inner side surface of the sliding ring, with a linear transition, and the locking ring, the disassembly groove, and their transition surfaces are in contact with the positioning pin; the spring is installed in the first pin hole, the upper part of the outer tube is provided with a second pin hole, and the positioning pin is detachably inserted into the second pin hole; the retaining ring is connected to the lower surface of the outer tube installation section, and the sliding ring is located above the retaining ring.

[0020] Compared with the prior art, the beneficial effects of adopting the above further technical solutions are as follows:

[0021] Adopting the quick-release mechanism simplifies the disassembly and installation process of the homogenizer, significantly improving the operation convenience and work efficiency; at the same time, it reduces the maintenance cost of the equipment, further enhancing the practicality and economy of the equipment.

[0022] Based on the above technical solutions, the present invention can be further improved as follows:

[0023] Furthermore: An upper sealing ring and a lower sealing ring are also provided between the spacer ring and the power output shaft. The first air inlet hole is located between the upper sealing ring and the lower sealing ring, and the second air inlet hole is located below the lower sealing ring; the spacer ring, the upper sealing ring, the lower sealing ring, and the ring groove form an air flow annular channel, and the second ventilation hole is communicated with the annular channel.

[0024] Compared with the prior art, the beneficial effects of adopting the above further technical solutions are as follows:

[0025] By providing a sealing ring between the spacer ring and the power output shaft, gas leakage is effectively prevented, ensuring the stability of the air flow channel and the reliability of the cleaning effect.

[0026] Based on the above technical solutions, the present invention can be further improved as follows:

[0027] Furthermore, flat holes are provided in the upper part of the inner tube, flat pins are arranged on the flat holes, air passing holes are arranged on the flat pins, and the air passing holes coincide with the inner tube holes; a transmission pin is installed below the power output shaft, and the transmission pin is connected to the flat pin.

[0028] Compared with the prior art, the beneficial effects of adopting the above further technical solution are as follows:

[0029] By providing flat holes in the upper part of the inner tube and arranging flat pins, and providing air passing holes that coincide with the inner tube holes on the flat pins, the design of the air flow channel is further optimized to ensure that the air flow can pass smoothly and effectively participate in the cleaning process; at the same time, the connection method between the transmission pin and the flat pin not only enhances the stability of power transmission, but also improves the transmission efficiency and operation reliability of the homogenizer, and prolongs the service life of the equipment.

[0030] Based on the above technical solution, the present invention can be further improved as follows:

[0031] Furthermore, the center line of the first micro hole intersects with the axis line of the terminal, the second micro hole and the third micro hole are symmetrically arranged on both sides of the first micro hole, the first micro hole is used for flushing the inner side of the grid plate, the second micro hole is used for flushing the first outer side of the grid plate, and the third micro hole is used for flushing the second outer side of the grid plate.

[0032] Compared with the prior art, the beneficial effects of adopting the above further technical solution are as follows:

[0033] Through the carefully designed layout and function allocation of the first micro hole, the second micro hole and the third micro hole, the all-round and dead-angle-free flushing of the inner side and both outer sides of the grid plate is realized, significantly improving the cleaning effect; at the same time, this targeted cleaning method effectively avoids the influence of residues on the detection accuracy, ensuring the efficient operation of the homogenizer and the reliability of the detection results.

[0034] Based on the above technical solution, the present invention can be further improved as follows:

[0035] Furthermore, N first micro holes are arranged in a column, N second micro holes are arranged in a column, and N third micro holes are arranged in a column; the lowermost first micro hole is not higher than the bottom end of the grid plate, and the uppermost first micro hole is not lower than the top end of the grid plate.

[0036] Compared with the prior art, the beneficial effects of adopting the above further technical solution are as follows:

[0037] This improvement ensures that all surfaces of the grid plate can be comprehensively covered by the air flow ejected from the micro holes, realizing the uniform flushing of the grid plate, and further improving the cleaning effect and the performance of the homogenizer.

[0038] On the basis of the above technical solutions, the present invention can be further improved as follows:

[0039] Further: An end face sealing ring is also provided between the inner tube and the terminal; the air outlet hole of the inner tube communicates with the first groove, and the bottom surface of the inner tube is located at the second groove.

[0040] Compared with the prior art, the beneficial effects of adopting the above further technical solution are:

[0041] By providing an end face sealing ring between the inner tube and the terminal and reasonably arranging the connection relationship between the air outlet hole of the inner tube and the groove, the sealing performance of the device is effectively enhanced, and the air flow direction is optimized, thereby further improving the cleaning effect and the operation stability of the equipment.

[0042] On the basis of the above technical solutions, the present invention can be further improved as follows:

[0043] Further: The width of the first gap is 0.25 mm, the width of the second gap is 0.02 mm, and the pore diameters of the first micro-hole, the second micro-hole and the third micro-hole are 0.05 mm.

[0044] Compared with the prior art, the beneficial effects of adopting the above further technical solution are:

[0045] This further technical solution effectively controls the flow and distribution of air flow by precisely setting the widths of the first gap and the second gap and the pore diameter of the micro-holes, and further improves the cleaning effect and the operation stability of the equipment.

[0046] On the basis of the above technical solutions, the present invention can be further improved as follows:

[0047] Further: It further includes a lifting drive mechanism and a motor mounting seat. The homogenization motor is fixedly installed on the motor mounting seat, and the lifting drive mechanism is connected to the motor mounting seat.

[0048] Compared with the prior art, the beneficial effects of adopting the above further technical solution are:

[0049] This further technical solution realizes the stable fixation of the homogenization motor and the precise lifting control of the homogenizer by adding a lifting drive mechanism and a motor mounting seat, and further improves the operation convenience and operation stability of the equipment.

[0050] The present invention also provides a method for performing homogenization treatment using the aforementioned homogenization device, including the following steps:

[0051] Pour the liquid into a container;

[0052] Introduce dry and clean compressed air into the second air inlet hole, and use the closed air flow channel to prevent the liquid from entering the second gap;

[0053] Lower the homogenizer below the liquid level in the container through the lifting drive mechanism;

[0054] Start the homogenization motor, drive the terminal to rotate at high speed through the power output shaft for homogenization treatment. During the homogenization treatment, selectively introduce dry and clean compressed air into the first air inlet hole;

[0055] After the homogenization treatment is completed, raise the homogenizer above the liquid level through the lifting drive mechanism;

[0056] Keep the terminal rotating at high speed and use centrifugal force to remove part of the homogenized solution;

[0057] Increase the air pressure introduced into the second air inlet hole to blow and wash the components below the second gap once, and then introduce dry and clean compressed air into the first air inlet hole to blow and wash the grid plate through the air blowing and washing channel to ensure cleanliness and dryness;

[0058] After the blowing and washing is completed, lift the homogenizer out of the container through the lifting drive mechanism.

[0059] Preferably, the liquid is a sample solution, a disinfectant, or pure water.

[0060] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0061] In the present invention, by using a closed air flow channel to prevent liquid from entering the gap during homogenization and efficiently cleaning the homogenizer through two air flow channels after homogenization, the problems of incomplete cleaning and easy liquid residue of the homogenizer in the prior art are effectively solved, and the cleaning effect and detection accuracy are significantly improved. At the same time, by combining the steps of using centrifugal force to remove part of the homogenized solution and increasing the air pressure for secondary blowing and washing, the cleaning process is further optimized, and the interference of residues on subsequent detections is reduced. In addition, the method of the present invention is simple to operate, has a high degree of automation, can effectively shorten the cleaning and disinfection time of the homogenizer, improve work efficiency, and reduce the labor intensity of operators. Description of the Drawings

[0062] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0063] Figure 1 It is a schematic cross-sectional view of a three-dimensional exploded structure of a homogenizer mounting seat in a preferred embodiment of a homogenization device for cleaning residues of a homogenization head using air flow according to the present invention.

[0064] Figure 2 It is a schematic cross-sectional view of the three-dimensional exploded structure of the homogenizing motor in a preferred embodiment of the homogenizing device for cleaning the residues on the homogenizing head by using air flow according to the present invention.

[0065] Figure 3 It is a schematic cross-sectional view of the structure of a preferred embodiment of the homogenizing device for cleaning the residues on the homogenizing head by using air flow according to the present invention.

[0066] Figure 4 It is a schematic cross-sectional view of the three-dimensional exploded structure of the homogenizer in a preferred embodiment of the homogenizing device for cleaning the residues on the homogenizing head by using air flow according to the present invention.

[0067] Figure 5 It is a schematic cross-sectional view of the structure of the homogenizer in a preferred embodiment of the homogenizing device for cleaning the residues on the homogenizing head by using air flow according to the present invention.

[0068] Figure 6 It is Figure 5 the schematic cross-sectional view taken along A-A in

[0069] Figure 7 It is a schematic three-dimensional structure view of the outer tube in a preferred embodiment of the homogenizing device for cleaning the residues on the homogenizing head by using air flow according to the present invention.

[0070] Figure 8 It is a schematic cross-sectional view of the terminal in a preferred embodiment of the homogenizing device for cleaning the residues on the homogenizing head by using air flow according to the present invention.

[0071] Figure 9 It is Figure 8 the schematic cross-sectional view taken along A-A in

[0072] The marks in the figure are respectively:

[0073] 100 Homogenizer mounting seat,

[0074] 110 Motor mounting section,

[0075] 111 First air inlet hole,

[0076] 112 Second air inlet hole,

[0077] 120 Outer tube mounting section,

[0078] 130 Spacer ring,

[0079] 131 Upper sealing ring,

[0080] 132 Lower sealing ring,

[0081] 133 First ventilation hole,

[0082] 134 O-ring,

[0083] 140 Quick-release mechanism,

[0084] 141 First pin hole

[0085] 142 Locating pin

[0086] 143 Sliding ring

[0087] 144 Locking ring

[0088] 145 Demounting groove

[0089] 146 Spring

[0090] 147 Retaining ring

[0091] 200 Homogenizing motor

[0092] 210 Power output shaft

[0093] 211 Inner tube mounting hole

[0094] 212 Second vent hole

[0095] 213 Ring groove

[0096] 220 Transmission pin

[0097] 230 Motor mounting seat

[0098] 240 Lifting drive mechanism

[0099] 300 Homogenizer

[0100] 310 Outer tube

[0101] 311 Second pin hole

[0102] 312 Grid plate

[0103] 320 Inner tube

[0104] 321 Flat hole

[0105] 322 Air outlet hole

[0106] 330 Flat pin

[0107] 331 Air passing hole

[0108] 340 Terminal

[0109] 341 Support leg

[0110] 342 First groove

[0111] 343 Second groove

[0112] 344 Longitudinal air hole

[0113] 345 First micro hole

[0114] The second micropore,

[0115] The third micropore,

[0116] The guide sleeve,

[0117] The end face sealing ring. Specific implementation manners

[0118] The following is described in conjunction with the accompanying drawings and a specific embodiment.

[0119] To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0120] It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it may not be further defined and explained in subsequent drawings.

[0121] Embodiment 1

[0122] Refer to Figures 1 to 9 . A homogenizing device for cleaning residues on a homogenizing head using air flow described in this embodiment includes three main parts: a homogenizer mounting base 100, a homogenizing motor 200, and a homogenizer 300.

[0123] Refer to Figures 1 to 3 , the homogenizer mounting base 100 is the basic structure of the entire homogenizing device. It provides a mounting platform for the homogenizing motor 200 and the homogenizer 300, and ensures the stability and sealing of the entire device. The homogenizer mounting base 100 includes key components such as a motor mounting section 110, an outer tube mounting section 120, and a spacer ring 130.

[0124] The motor mounting section 110 is the part for fixing the homogenizing motor 200, and it is provided with two air inlets:

[0125] The first air inlet 111: used to introduce dry and clean compressed air, which is the air inlet of the purging air flow channel, and is used to purge the homogenizer after homogenization to ensure cleanliness and dryness;

[0126] Second air inlet hole 112: It is used to introduce dry and clean compressed air to form a closed air flow channel during the homogenization process and to process the liquid in the gap during flushing.

[0127] The outer tube installation section 120 is used to install the outer tube 310 to ensure the stability and correct positioning of the homogenizer. The design of the outer tube installation section 120 should match the size and shape of the outer tube 310 to achieve a tight fit. The outer tube 310 is inserted into the outer tube installation section 120.

[0128] The spacer ring 130 is located between the motor installation section 110 and the outer tube installation section 120, and its main function is to form a sealing and ventilation structure. The spacer ring 130 includes:

[0129] Upper sealing ring 131 and lower sealing ring 132: They cooperate with the motor installation section 110 and the outer tube installation section 120 to form a sealing structure to prevent air leakage;

[0130] First ventilation hole 133: It is used for ventilation to ensure that the air flow can flow from the first air inlet hole 111 outside the spacer ring 130 into the inside of the spacer ring 130. To ensure the sealing of the air flow channel, an O-ring 134 is provided between the spacer ring 130 and the inner wall of the motor installation section 110, so that the gas flowing in from the first air inlet hole 111 can only enter the first ventilation hole 133.

[0131] In some preferred embodiments, a quick-release mechanism 140 is further included. The design of the quick-release mechanism 140 enables the quick disassembly and installation of the homogenizer 300, improving work efficiency. The quick-release mechanism 140 is a mechanism for quickly disassembling and installing the homogenizer 300 and includes the following components:

[0132] First pin hole 141: It is used to install the positioning pin 142 and the spring 146.

[0133] Positioning pin 142: It is slidably mated with the first pin hole 141 and the second pin hole 311 and is used to fix the outer tube 310. The number of the positioning pins 142 and the first pin holes 141 is multiple and they are evenly arranged in a circle.

[0134] Sliding ring 143: It is slidably mated with the outer wall of the outer tube installation section 120 and is used to adjust the position of the outer tube 310.

[0135] Locking ring 144 and disassembly groove 145: They are slidably mated with the positioning pin 142. The locking ring 144 is used to control the insertion of the positioning pin 142 into the second pin hole 311, and the disassembly groove 145 is used to pull out the positioning pin 142 from the second pin hole 311 under the action of the spring 146 for locking or releasing the outer tube 310. The locking ring 144 and the disassembly groove 145 are linearly and smoothly arranged.

[0136] Spring 146: Installed in the first pin hole 141, it provides elastic force for the positioning pin 142 to ensure effective control of the fixing and disassembling actions of the outer tube 310.

[0137] Circlip 147: Connected to the lower surface of the outer tube installation section 120, the sliding ring 143 is located above the circlip 147 and is used to limit the movement range of the sliding ring 143.

[0138] During use, first, the homogenizer 300 is installed on the homogenizer mounting base 100 through the quick-release mechanism 140. Then, the homogenizing motor 200 is started, and the homogenizer 300 is driven to rotate through the power output shaft 210 for homogenization processing. After homogenization, rinsing is carried out.

[0139] See Figure 2 and Figure 3 In this embodiment, the homogenizing motor 200 is the power source of this homogenizing device and is responsible for driving the entire homogenization process. The homogenizing motor 200 transmits the rotational power to the homogenizer 300 through its power output shaft 210 to achieve homogenization processing of the sample.

[0140] The power output shaft 210 is a key component connecting the homogenizing motor 200 and the homogenizer 300, and it is provided with multiple functional structures:

[0141] Inner tube mounting hole 211: This hole is used to install the inner tube 320 to ensure the stable connection between the inner tube 320 and the power output shaft 210, thereby transmitting the rotational power of the motor to the inner tube 320.

[0142] Second ventilation hole 212: This ventilation hole is aligned with the ventilation structure of the inner tube 320 to form an air flow channel. During homogenization and rinsing, clean compressed air can be conveyed into the homogenizer through this ventilation hole.

[0143] Circular groove 213: The circular groove 213 cooperates with the spacer ring 130, the upper sealing ring 131, and the lower sealing ring 132 to form an annular flow path for the air flow, guiding the air flow into the second ventilation hole 212 to optimize the homogenization effect and cleaning effect.

[0144] The transmission pin 220 is installed below the power output shaft 210, and its function is to transmit the power of the motor to the inner tube 320 of the homogenizer. The transmission pin 220 is connected to the flat pin 330 to ensure effective transmission of the power. The power output shaft 210 rotates the inner tube 320 clockwise and counterclockwise alternately.

[0145] The motor mounting base 230 is used to fix the homogenizing motor 200 to ensure the stability of the motor during operation. The motor mounting base 230 is connected to the lifting drive mechanism 240 to achieve the lifting movement of the homogenizing motor and the homogenizer to adapt to different working positions. The motor mounting base 230 is fixedly installed directly above the homogenizer mounting base 100.

[0146] The lifting drive mechanism 240 is a key component for realizing the up and down movement of the homogenizer, and it is connected to the motor mounting seat 230. Through the operation of the lifting drive mechanism 240, the homogenizer 300 can be accurately positioned at the working liquid level in the container for homogenization processing.

[0147] During the homogenization process, the homogenization motor 200 starts and rotates through the power output shaft 210. The power is transmitted to the inner tube 320 of the homogenizer through the transmission pin 220, driving the drive terminal 340 to rotate at high speed to achieve the homogenization of the sample. During the homogenization process, the lifting drive mechanism 240 drives the homogenizer 300 to reciprocate up and down.

[0148] See Figures 4 to 9 . In this embodiment, the homogenizer 300 is the core component for performing the homogenization operation, including key components such as the outer tube 310, the inner tube 320, the flat pin 330, the terminal 340, and the guide sleeve 350.

[0149] The outer tube 310 is the external structure of the homogenizer 300. The outer diameter of the upper end of the outer tube 310 is larger than that of the lower end, and it is a pipe structure that penetrates up and down, with the following characteristics:

[0150] The second pin hole 311: Located at the upper end of the outer tube 310, it is used to cooperate with the positioning pin 142 to achieve the quick fixing and disassembly of the outer tube 310.

[0151] The grid plate 312: It is arranged at the lower part of the outer tube 310 and is used to increase the contact area between the sample and the air flow during the homogenization process, enabling the sample to collide with each other and improving the homogenization effect. The grid plate 312 is designed in the shape of a triangular prism, including an inner side surface and two outer side surfaces. The first micro hole 345 is used to blow and wash the inner side surface of the grid plate, the second micro hole 346 is used to blow and wash the first outer side surface of the grid plate, and the third micro hole 347 is used to blow and wash the second outer side surface of the grid plate. The first micro hole 345, the second micro hole 346, and the third micro hole 347 also blow and wash the gap between the two grid plates 312 to prevent particulate matter in the sample solution from being clamped between the two grid plates 312. The inner tube 320 rotates clockwise and counterclockwise alternately, enabling each surface of the grid plate 312 to be more effectively purged. In a preferred embodiment, the grid plate 312 has a symmetry plane that is coplanar with the axis line of the outer tube 310. The grid plate 312 is designed in the shape of a triangular prism, and this structure is beneficial for the air flow to pass through, ensuring that the sample solution can be efficiently refined and mixed during the homogenization process. Each surface of the triangular prism can be blown and washed by the air flow, making the cleaning process more thorough and effectively preventing the accumulation of residues on the surface of the grid plate.

[0152] A first step is provided on the inner wall of the outer tube 310.

[0153] The inner tube 320 is the internal structure of the homogenizer 300. It is a pipe that runs through vertically and has an inner tube hole. It has the following structural features:

[0154] Flat hole 321: Located at the upper end of the inner tube 320, it is used to install the flat pin 330 to ensure the stable connection between the inner tube 320 and the flat pin 330. The flat pin 330 is in contact with the drive pin 220.

[0155] Air outlet hole 322: Located on the side wall of the lower part of the inner tube 320, it is connected to the micro-holes on the terminal 340 to form a purging air flow channel, which is used to purge the grid plate 312 after homogenization during purging.

[0156] The flat pin 330 is installed in the flat hole 321 of the inner tube 320. An air passing hole 331 is provided in the middle of it. The air passing hole 331 is aligned with the air outlet hole 322 of the inner tube 320 to form an air flow channel, ensuring that the air flow can pass through smoothly and participate in the homogenization process and the purging process.

[0157] The terminal 340 is a key component of the homogenizer 300, responsible for homogenization and purging operations. The terminal 340 is a part with an open upper end and feet 341 provided at the lower end. The feet 341 are provided at the lower part of the terminal 340 and are used to quickly stir the sample solution.

[0158] A first groove 342 and a second groove 343 are provided inside the terminal 340. The first groove 342 and the second groove 343 are used to communicate with the air outlet hole 322 of the inner tube 320 to form a purging air flow channel.

[0159] Longitudinal air hole 344, with an open upper end and a closed lower end, is connected to the first micro-hole 345, the second micro-hole 346, the third micro-hole 347, the first groove 342 and the second groove 343 on the feet 341, and is used to guide the air flow. In this embodiment, the terminal 340 is provided with two feet 341, and the micro-holes of the two feet are arranged longitudinally and alternately, as Figure 8 shown, to ensure that the entire elevation of the grid plate 312 can be purged.

[0160] The first micro-hole 345, the second micro-hole 346 and the third micro-hole 347: are respectively used to purge the inner side and the two outer sides of the grid plate 312 to ensure the comprehensive cleaning of the grid plate 312. The second micro-hole 346 and the third micro-hole 347 are symmetrically arranged on both sides of the first micro-hole 345.

[0161] Each support leg 341 is provided with a longitudinal air hole 344 with an open upper end and a closed lower end. The first groove 342, the second groove 343, N (N>20) first micro-holes 345, N (N>20) second micro-holes 346, and N (N>20) third micro-holes 347 communicate with the longitudinal air hole 344. In a preferred embodiment, the pore diameters of the first micro-hole 345, the second micro-hole 346, and the third micro-hole 347 are all 0.05 mm.

[0162] A first gap is provided between the outer tube 310 and the inner tube 320, and a second gap is provided between the sleeve 350 and the outer wall of the inner tube 320 or the inner wall of the outer tube 310. In a preferred embodiment, the width of the first gap is 0.25 mm, and the width of the second gap is 0.02 mm. Narrowing the width of the second gap is beneficial to increasing the air flow pressure and velocity.

[0163] The guide sleeve 350 is placed above the first step on the inner wall of the outer tube 310 and below the second step on the outer wall of the inner tube 320, for controlling the air flow channel, increasing the air pressure of the closed air flow, and preventing the sample solution from entering the gap between the outer wall of the inner tube 320 and the inner wall of the outer tube 310.

[0164] The end face sealing ring 360 is arranged between the inner tube 320 and the terminal 340, for sealing the connection part between the inner tube 320 and the terminal 340 and preventing the sample solution from entering the inner tube 320.

[0165] In this embodiment, the design of the homogenizing device pays particular attention to the construction of the air flow channel to optimize the homogenization process and ensure the cleaning effect. The second air inlet hole 112, combined with the first gap provided between the outer tube 310 and the inner tube 320 and the second gap between the guide sleeve and the outer wall of the inner tube 320 or the inner wall of the outer tube 310, forms a closed air flow channel. The main function of this closed air flow channel is to prevent the sample solution from entering the second gap during the homogenization process, while maintaining the internal pressure stable, thereby improving the homogenization efficiency and quality. By precisely controlling the air intake and pressure, this air flow channel helps to form an ideal hydrodynamic environment inside the homogenizer, enabling the sample to be more evenly refined and mixed. In addition, the design of the closed air flow channel also helps to perform gap flushing by increasing the air pressure after homogenization, further improving the cleaning efficiency, ensuring that there are no residues in the cutter head part of the homogenizer, avoiding cross-contamination, and thus guaranteeing the accuracy of subsequent detections and the reusability of the homogenizer.

[0166] In this embodiment, the design of the homogenizing device ingeniously utilizes the combination of multiple ventilation holes and air holes to form a purging air flow channel, which is crucial for realizing the self-cleaning function of the homogenizer. The first air inlet hole 111 serves as the inlet of the air flow, introducing dry and clean compressed air. The air flow then passes through the annular groove 213 and the second ventilation hole 212 into the inner tube mounting hole 211, and flows along the inner tube hole, and finally enters the longitudinal air hole 344 through the air outlet hole 322, and is finally discharged from the first micro-hole 345, the second micro-hole 346 and the third micro-hole 347. During the operation of the homogenizer, the high-speed rotating terminal generates centrifugal force, which helps the sample solution to collide and mix with the grid plate 312, improving the homogenization effect. After homogenization is completed, the air pressure introduced into the first air inlet hole 111 is increased, and the air flow passes through the longitudinal air hole 344 and the first micro-hole 345, the second micro-hole 346 and the third micro-hole 347 on the terminal 340, and purges all surfaces of the grid plate 312 comprehensively. This design ensures that the grid plate can be purged from top to bottom, effectively removing residues, keeping the grid plate clean, avoiding cross-contamination, and at the same time improving the detection accuracy. In addition, the design of this air flow channel also helps to shorten the cleaning and disinfection time of the homogenizer, further improving the working efficiency of the fully automatic homogenizer.

[0167] Embodiment 2

[0168] This embodiment details the specific steps of using the homogenizing device described in Embodiment 1 for homogenization. This method not only improves the homogenization efficiency, but also ensures the cleanliness and dryness of the homogenizer, thus avoiding cross-contamination and improving the detection accuracy. It should be noted that the homogenized sample (including solid-liquid mixture) in this embodiment can also be pure water or disinfectant solution, and the specific liquid type is selected according to actual usage requirements.

[0169] In this embodiment, the specific steps of homogenization and purging are as follows:

[0170] S1. Prepare a container:

[0171] Pour the liquid sample to be homogenized into a suitable container, ensuring that the liquid volume is sufficient to cover the grid plate 312 of the homogenizer.

[0172] S2. Seal the air flow channel:

[0173] Introduce dry and clean compressed air through the second air inlet hole 112. This step uses the sealed air flow channel to prevent the liquid from entering the second gap during homogenization, thus protecting the cleanliness inside the homogenizer. At the same time, dry and clean compressed air can also be selectively introduced into the first air inlet hole 111 to protect the cleanliness inside the homogenizer.

[0174] S3. Position the homogenizer:

[0175] The homogenizer 300 is precisely lowered below the liquid level in the container by the lifting drive mechanism 240 to ensure that the grid plate 312 is completely immersed in the liquid.

[0176] S4, start the homogenization process:

[0177] The homogenizing motor 200 is started, and the terminal 340 is driven to rotate at high speed through the power output shaft 210 to start the homogenizing process. During the homogenizing process, dry and clean compressed air is selectively introduced into the first air inlet 111 as needed to optimize the homogenizing effect.

[0178] S5. Complete homogenization:

[0179] After the homogenization process is completed, the homogenizer 300 is raised above the liquid level by the lifting drive mechanism 240 to end the homogenization process.

[0180] S6, remove the solution:

[0181] The terminal 340 is kept rotating at a high speed, and the homogenous solution adhering to the terminal 340 is thrown off by centrifugal force, so that the terminal 340 is preliminarily cleaned.

[0182] S7. Blowing and cleaning parts:

[0183] The air pressure entering the second air inlet 111 is increased to purge the components below the second gap to remove residual liquid and particles.

[0184] S8. Fully blow down the grid plate:

[0185] Dry and clean compressed air is introduced into the first air inlet 111 again, and the grid plate 312 is fully purged by using the purge air flow channel to ensure that the grid plate is clean and dry.

[0186] S9, lifting homogenizer:

[0187] After the purge is completed, the homogenizer 300 is lifted out of the container by the lifting drive mechanism 240 to prepare for the next operation or cleaning and maintenance.

[0188] This embodiment achieves efficient homogenization through high-speed rotating terminal 340 and optimized air flow channel design. The self-cleaning function of the homogenizer is achieved through the design of flushing the air flow channel, avoiding cross contamination.

[0189] Through the above steps, this embodiment provides an efficient, clean and automated method for homogenizing using a homogenizing device, which is suitable for various laboratory testing environments.

[0190] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present invention.

[0191] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, the meaning of "a plurality" is two or more unless otherwise specifically defined.

[0192] In the present invention, unless otherwise clearly defined and limited, the terms such as "mounted", "connected", "connected to", "fixed" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0193] In the present invention, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "under" and "beneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0194] The above are only the preferred embodiments of the present invention. It should be noted that the above preferred embodiments should not be regarded as a limitation on the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. For those of ordinary skill in the art, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A homogenizing device for cleaning the residue of a homogenizing head by air flow, characterized in that: It comprises a homogenizer mounting seat: comprising a motor mounting section, an outer tube mounting section, and a spacer ring, wherein the motor mounting section is provided with a first air inlet hole and a second air inlet hole, the outer tube mounting section is used to mount the outer tube, and the spacer ring is provided with an upper sealing ring, a lower sealing ring, and a first vent hole; Homogenizing motor: comprising a power output shaft, wherein the power output shaft is provided with an inner tube mounting hole, a second vent hole and an annular groove; Homogenizer: including an outer tube, an inner tube, a terminal and a guide sleeve, the outer tube and the inner tube are both tubular structures, through from top to bottom; a plurality of triangular prism-shaped grid plates are evenly arranged at the lower part of the outer tube; the terminal is connected to the bottom end of the inner tube, and the terminal is provided with a plurality of legs, each of which is provided with a longitudinal pore with an open upper end and a closed lower end, and a first groove, a second groove, N first micropores, N second micropores and N third micropores are connected with the longitudinal pore; the guide sleeve is placed above the first step of the inner wall of the outer tube and below the second step of the outer wall of the inner tube; a first gap is provided between the outer tube and the inner tube, and a second gap is provided between the sleeve and the outer wall of the inner tube or the inner wall of the outer tube; Among them, the second air inlet hole, the first gap and the second gap form a closed air flow channel; the first air inlet hole, the annular groove, the second air vent, the inner tube mounting hole, the inner tube hole, the air outlet hole, the longitudinal air hole, the first micropore, the second micropore and the third micropore form a purge air flow channel.

2. The homogenizing device according to claim 1, characterized in that: The homogenizer also includes a quick-release mechanism: comprising a first pin hole, a positioning pin, a sliding ring, a locking ring, a disassembly groove, a spring and a retaining ring, which is convenient for quickly disassembling and installing the homogenizer; the locking ring is slidably matched with the outer side wall of the outer tube installation section; the locking ring and the disassembly groove are located on the inner side surface of the sliding ring, with a linear transition, and the locking ring, the disassembly groove and its transition surface are in contact with the positioning pin; the spring is installed in the first pin hole, and a second pin hole is provided on the upper part of the outer tube, and the positioning pin is detachably plugged into the second pin hole; the retaining ring is connected to the lower surface of the outer tube installation section, and the sliding ring is located above the retaining ring.

3. The homogenizing device according to claim 1, characterized in that: An upper sealing ring and a lower sealing ring are also provided between the spacer ring and the power output shaft, the first air inlet hole is located between the upper sealing ring and the lower sealing ring, and the second air inlet hole is located below the lower sealing ring; the spacer ring, the upper sealing ring, the lower sealing ring and the annular groove form an annular air flow channel, and the second air vent is connected to the annular flow channel.

4. The homogenizing device according to claim 1, characterized in that: The inner tube is also provided with a flat hole on the upper part, a flat pin is arranged on the flat hole, an air hole is provided on the flat pin, and the air hole coincides with the inner tube hole; a transmission pin is installed below the power output shaft, and the transmission pin is connected to the flat pin.

5. The homogenizing device according to claim 1, characterized in that: The center line of the first microhole intersects with the axial center line of the terminal, the second microhole and the third microhole are symmetrically arranged on both sides of the first microhole, the first microhole is used for blowing the inner side of the grid plate, the second microhole is used for blowing the first outer side of the grid plate, and the third microhole is used for blowing the second outer side of the grid plate.

6. The homogenizing device according to claim 1, characterized in that: N first micropores are arranged in a row, N second micropores are arranged in a row, and N third micropores are arranged in a row; the lowest first micropore is not higher than the bottom end of the grid plate, and the highest first micropore is not lower than the top end of the grid plate.

7. The homogenizing device according to claim 1, characterized in that: An end face sealing ring is also arranged between the inner tube and the terminal; the air outlet of the inner tube is communicated with the first groove, and the bottom surface of the inner tube is located at the second groove.

8. The homogenizing device according to claim 1, characterized in that: The first gap width is 0.25 mm, the second gap width is 0.02 mm, and the apertures of the first micropore, the second micropore and the third micropore are 0.05 mm.

9. The homogenizing device according to claim 1, characterized in that: It also includes a lifting drive mechanism and a motor mounting seat, the homogenizing motor is fixedly mounted on the motor mounting seat, and the lifting drive mechanism is connected to the motor mounting seat.

10. A method for homogenizing using the homogenizing device according to any one of claims 1 to 9, characterized in that: The steps include: Pour the liquid into the container; The second air inlet hole allows dry and clean compressed air to enter, and a closed air flow channel is used to prevent liquid from entering the second gap; The homogenizer is lowered below the liquid level in the container by a lifting drive mechanism; The homogenizing motor is started, and the terminal is driven to rotate at high speed through the power output shaft to perform homogenization. During the homogenization process, dry and clean compressed air is selectively introduced into the first air inlet hole; After the homogenization process is completed, the homogenizer is raised above the liquid level by the lifting drive mechanism; Keep the terminal rotating at high speed and use centrifugal force to remove part of the homogenized solution; Increase the air pressure entering the second air inlet to purge the parts below the second gap, then pass dry and clean compressed air into the first air inlet, and use the purge air flow channel to purge the grid plate to ensure cleanliness and dryness; After the purging is completed, the homogenizer is lifted out of the container by the lifting drive mechanism.

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