Uniform mixing homogenizer for food microorganism detection and mixing method of uniform mixing homogenizer

Abstract

The invention relates to the field of food microorganism detection, and discloses a uniform mixing homogenizer for food microorganism detection and a mixing method thereof, the uniform mixing homogenizer comprises a working box, a slapping block, a movable bracket and a fixed plate; the clamping and moving unit is arranged on the fixed plate; the slapping block is arranged in the working box in a reciprocating mode, the lifting assembly is driven by the driving assembly to ascend and descend, the clamped sterile homogenizing bag can ascend and descend, and the situation that the position of the sterile homogenizing bag is not good when the slapping block slaps and mixes the sterile homogenizing bag due to the fact that the position of the sterile homogenizing bag is not good is avoided. The biscuit sample and the diluent in the sterile homogenizing bag cannot be fully mixed and homogenized, or the sterile homogenizing bag is slapped by the slapping block, so that the sterile homogenizing bag is pulled and deformed, and the biscuit sample and the diluent in the sterile homogenizing bag are damaged and are spilled out to be polluted; a biscuit sample and a diluent in the sterile homogenizing bag can be mixed and homogenized more completely, and the accuracy of biscuit microorganism detection is improved.

Description

Technical Field

[0001] The invention relates to the field of food microorganism detection, and in particular to a mixing homogenizer for food microorganism detection and a mixing method thereof. Background Art

[0002] In biscuit microbial testing, a homogenizer (or sterile homogenizer) is an important laboratory equipment used to effectively mix biscuit samples and their diluents for subsequent microbial testing and analysis. The function of the homogenizer is to disperse the microorganisms, cells and particles in the biscuit samples, mix the samples evenly, and improve the accuracy and efficiency of subsequent testing.

[0003] The mixing homogenizer is used by adding the biscuit sample and diluent to be tested into a sterile homogenizing bag, opening the homogenizer door, clamping the opening of the sterile homogenizing bag when closing the door, setting the tapping speed, time and other parameters according to the experimental requirements, and starting the mixing homogenizer after setting, allowing the tapping device in the mixing homogenizer to work, so that the tapping device taps the sterile homogenizing bag containing the biscuit sample and diluent, so that the biscuit sample and diluent in the sterile homogenizing bag are mixed and homogenized. After the homogenization is completed, open the homogenizer door to take out the sample, and then conduct subsequent microbial testing.

[0004] In the prior art, the biscuit sample and the diluent are added into a sterile homogenizing bag, and then the opening of the sterile homogenizing bag is clamped when the homogenizer door is closed so that the sterile homogenizing bag can be clamped and fixed. However, the sterile homogenizing bag may be placed too high or below the tapping position in the homogenizer. When the placement position is too high or too low, the sterile homogenizing bag is clamped and locked by the homogenizer door and cannot move. Therefore, the tapping device cannot completely mix the biscuit sample and the diluent in the sterile homogenizing bag, or the tapping device taps the sterile homogenizing bag, causing the sterile homogenizing bag to deform and rupture, allowing the biscuit sample and the diluent inside to scatter, resulting in mixing and homogenization failure and contamination of the mixing homogenizer by the scattered biscuit sample and diluent. Summary of the invention

[0005] The purpose of the present invention is to provide a mixing homogenizer for food microorganism detection and a mixing method thereof to solve the following technical problems:

[0006] Fixing the sterile homogenizing bag by the homogenizer door and the homogenizer clamp will lock the sterile homogenizing bag and make it unable to move, causing the sterile homogenizing bag to deviate from the tapping block, resulting in the biscuit sample and the diluent being unable to be fully mixed or the sterile homogenizing bag being damaged by tapping.

[0007] The purpose of the present invention can be achieved through the following technical solutions:

[0008] A mixing homogenizer for food microorganism detection, comprising a working box, a slapping block, a movable bracket and a fixed plate; and also comprising a clamping movable unit arranged on the fixed plate;

[0009] The slapping block is reciprocatingly arranged in the working box;

[0010] The movable bracket is slidably arranged at the bottom of the working box;

[0011] The fixing plate is fixedly arranged at one end of the top of the movable bracket;

[0012] The clamping and moving unit is arranged on the fixed plate, and comprises a driving component, a lifting component and a clamping component; the driving component drives the lifting component to move; the lifting component moves to drive the clamping component to move;

[0013] Lift the sterile homogenous bag containing the biscuit sample and the diluent and place it on the inner side of the fixed plate, and then move the clamping assembly to clamp the sterile homogenous bag and seal the bag mouth of the sterile homogenous bag. After the sterile homogenous bag is clamped, the driving assembly drives the lifting assembly to lift and lower the sterile homogenous bag to a suitable position according to the position of the slapping block, and then use the movable bracket to send the sterile homogenous bag into the working box, and then the slapping block slaps the sterile homogenous bag to homogenize and mix the biscuit sample and the diluent in the sterile homogenous bag.

[0014] Further, the driving assembly includes a telescopic motor and a telescopic rod;

[0015] The lifting assembly includes a support frame and a moving block;

[0016] Wherein, the support frame is fixedly arranged on a side of the fixed plate close to the working box; the moving block is slidably arranged on the support frame;

[0017] The telescopic motor is fixedly arranged on the top of the support frame; one end of the telescopic rod is fixedly arranged in the support frame; the other end of the telescopic rod is fixedly arranged on the moving block; and the telescopic motor is connected to the telescopic rod.

[0018] Further, the clamping assembly includes a rotating rod, a worm gear, a drive box, a movable worm, a drive block, a movable frame and a clamping block;

[0019] Among them, the driving box is fixedly arranged on the top of the moving block; the moving worm is rotatably arranged in the driving box; the rotating rod is rotatably arranged on the side of the moving block located at the driving box, and the rotating rod passes through the supporting frame; the worm gear is fixedly arranged on the rotating rod; the worm gear is meshed with the moving worm; the moving frame is fixedly arranged at one end of the moving block; the clamping block is slidably arranged on the moving frame; the bottom of the driving block is fixedly arranged on the top of the clamping block; one end of the driving block is fixedly connected to the moving worm.

[0020] Furthermore, a receiving groove is provided on the fixed plate; a receiving platform is slidably connected in the receiving groove; a movable tooth plate is fixedly connected to the bottom of the receiving platform; the movable tooth plate passes through the movable bracket; a movable rod is rotatably connected to the movable bracket; a rotating gear is fixedly connected to the movable rod; and the rotating gear is meshed with the movable tooth plate.

[0021] Furthermore, a sleeve frame is fixedly connected to the bottom of the working box; a movable bracket is slidably connected inside the sleeve frame; a movable motor is fixedly connected to one end of the movable bracket; the movable motor is connected to the movable rod; a connecting block is fixedly connected to the middle of the bottom of the working box; and the connecting block is rotatably connected to the movable rod.

[0022] Furthermore, a support plate is fixedly connected inside the working box; a driving rod is rotatably connected to the support plate; the other end of the driving rod passes through the working box; a handle is fixedly connected to one end of the driving rod passing through the working box; a sliding block is rotatably connected to the driving rod; a limiting column is fixedly connected to the support plate, and the limiting column passes through the sliding block; two limiting columns are provided, and are symmetrically arranged on the support plate.

[0023] Furthermore, a column is fixedly connected to the top of the sliding block; a driving bin is fixedly connected to the top of the column; a reciprocating gear is rotatably connected in the driving bin; a reciprocating motor is fixedly connected to the top of the driving bin; the reciprocating motor is communicated with the reciprocating gear; a reciprocating gear plate is slidably connected to the driving bin; two reciprocating gear plates are provided and symmetrically arranged on the driving bin; the reciprocating gear plate meshes with the reciprocating gear; one end of the reciprocating gear plate is fixedly connected to the slapping block; a limiting block is fixedly connected to the top of the inner side of the working box; a limiting column is slidably connected to the limiting block; one end of the limiting column is fixedly connected to the slapping block.

[0024] A hybrid method for food microbial detection, the hybrid method comprising the following steps:

[0025] S1: First, the staff takes out a brand new sterile homogenizing bag, and then samples and weighs the biscuit samples to be tested. After weighing, the biscuit samples are placed in the sterile homogenizing bag, and then the corresponding diluent is measured with a measuring cylinder. After weighing, the diluent is poured into the sterile homogenizing bag;

[0026] S2: Put the sterile homogenizing bag with the biscuit sample and the diluent between the mobile rack and the clamping block, clamp and fix the sterile homogenizing bag by moving the clamping block, send it into the working box after fixing it, set the tapping parameters, and let the tapping block in the working box tap the biscuit sample and the diluent in the sterile homogenizing bag to mix and homogenize them;

[0027] S3: When the slapping block is working, the staff can observe through the window on the working box whether the slapping block has slapped the biscuit sample and diluent in the sterile homogenizing bag. If the slapping position is found to be incorrect, the telescopic motor can be driven to adjust the telescopic rod to make the biscuit sample and diluent in the sterile homogenizing bag fully mixed and homogenized;

[0028] S4: After the mixing is completed, the fixed plate is moved away from the working box, and then the staff takes out the sterile homogenization bag and tests and analyzes the mixed biscuit samples and diluent.

[0029] Beneficial effects of the present invention:

[0030] (1) The driving component drives the lifting component to lift and lower, so that the clamped sterile homogenizing bag can be lifted and lowered, thereby avoiding the situation that the biscuit sample and the diluent in the sterile homogenizing bag cannot be fully mixed and homogenized due to the poor placement of the sterile homogenizing bag, or the sterile homogenizing bag is stretched and deformed by the slapping block, causing the sterile homogenizing bag to be damaged and the biscuit sample and the diluent inside to be spilled and contaminated, so that the biscuit sample and the diluent in the sterile homogenizing bag can be mixed and homogenized more completely, thereby improving the accuracy of biscuit microbial detection;

[0031] (2) The sterile homogenizing bag with the biscuit sample and the diluent is fixedly clamped by the clamping assembly. This arrangement firstly avoids the sterile homogenizing bag from being directly clamped and locked, and the sterile homogenizing bag cannot be moved, resulting in poor mixing and homogenization when the sterile homogenizing bag is beaten and mixed by the beating block because the sterile homogenizing bag is in a low or high position. Secondly, when the homogenizer door and the homogenizer are clamped and fixed to the sterile homogenizing bag, the homogenizer door and the homogenizer may be easily closed loosely, resulting in the sterile homogenizing bag not being completely closed. In this way, when the beating block is beating and mixing, it is easy for the biscuit sample and the diluent in the sterile homogenizing bag to overflow from the sterile homogenizing bag and cause contamination;

[0032] (3) When the fixed plate is driven to move outward by the mobile bracket, the receiving platform will also move upward to support the bottom of the sterile homogenous bag. When the mobile bracket drives the fixed plate to move into the working box, the receiving platform will move downward to suspend the sterile homogenous bag, so that the slapping block can better slap and mix the biscuit sample and diluent in the sterile homogenous bag. When the receiving platform is raised, the support is to prevent the clamping block from loosening the sterile homogenous bag. The sterile homogenous bag falls rapidly due to its own gravity, and the staff fails to grab the top of the sterile homogenous bag in time, resulting in the spillage of the biscuit sample and diluent in the sterile homogenous bag and contamination. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The present invention will be further described below in conjunction with the accompanying drawings.

[0034] Figure 1 It is a front perspective view of the present invention;

[0035] Figure 2 is a rear perspective view of the present invention;

[0036] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0037] Figure 4 is a cross-sectional view of the support frame of the present invention;

[0038] Figure 5 is a cross-sectional view of the working box in the present invention;

[0039] Figure 6 It is a cross-sectional view of the driving bin in the present invention.

[0040] Description of the drawings: 1. working box; 2. handle; 3. sleeve frame; 4. mobile bracket; 5. fixed plate; 6. receiving platform; 7. support frame; 8. mobile frame; 9. clamping block; 10. driving rod; 11. moving rod; 12. moving motor; 13. moving tooth plate; 14. driving block; 15. moving worm; 16. worm gear; 17. rotating rod; 18. driving box; 19. telescopic rod; 20. telescopic motor; 21. moving block; 22. receiving groove; 23. rotating gear; 24. connecting block; 25. supporting plate; 26. slapping block; 28. limiting column; 29. ​​reciprocating tooth plate; 30. sliding block; 31. column; 32. driving bin; 33. reciprocating gear; 34. reciprocating motor; 35. limiting column; 36. limiting block. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] See also Figure 1-Figure 6 As shown, the present invention is a mixing homogenizer for food microorganism detection, comprising a working box 1, a slapping block 26, a movable bracket 4 and a fixed plate 5; and also comprising a clamping movable unit arranged on the fixed plate 5;

[0043] The slapping block 26 is reciprocatingly arranged in the working box 1;

[0044] The movable bracket 4 is slidably arranged at the bottom of the working box 1;

[0045] The fixing plate 5 is fixedly arranged at one end of the top of the movable bracket 4;

[0046] The clamping and moving unit is arranged on the fixed plate 5, and includes a driving component, a lifting component and a clamping component; the driving component drives the lifting component to move; the lifting component moves to drive the clamping component to move;

[0047] Lift the sterile homogenous bag containing the biscuit sample and the diluent and place it inside the fixed plate 5, then move the clamping assembly to clamp the sterile homogenous bag and seal the bag mouth of the sterile homogenous bag. After the sterile homogenous bag is clamped, the driving assembly drives the lifting assembly to lift and lower the sterile homogenous bag to a suitable position according to the position of the slapping block 26, and then use the mobile bracket 4 to send the sterile homogenous bag into the working box 1, and then the slapping block 26 slaps the sterile homogenous bag to homogenize and mix the biscuit sample and the diluent in the sterile homogenous bag;

[0048] The staff puts the weighed biscuit sample and diluent into the sterile homogenizing bag, and then lets the movable bracket 4 drive the fixed plate 5 to move so that the fixed plate 5 is away from the working box 1. After the fixed plate 5 is away from the working box 1, the driving component drives the lifting component to descend and drives the clamping component to move, and then puts the sterile homogenizing bag with the biscuit sample and diluent into the clamping component, and then lets the clamping component fix and clamp the sterile homogenizing bag with the biscuit sample and diluent.

[0049] The sterile homogenizing bag with the biscuit sample and the diluent is fixedly clamped by the clamping assembly. This arrangement firstly avoids the sterile homogenizing bag from being directly clamped and locked, and the sterile homogenizing bag cannot be moved, resulting in poor mixing and homogenization when the sterile homogenizing bag is beaten and mixed by the beating block 26 because the sterile homogenizing bag is in a low or high position. Secondly, when the homogenizer door and the homogenizer are operated to clamp and fix the sterile homogenizing bag, the homogenizer door and the homogenizer may be easily closed loosely, resulting in the sterile homogenizing bag not being completely closed. In this way, when the beating block 26 is beaten and mixed, it is easy for the biscuit sample and the diluent in the sterile homogenizing bag to overflow from the sterile homogenizing bag and cause contamination, so that the biscuit sample and the diluent in the sterile homogenizing bag can be mixed and homogenized more completely, thereby improving the accuracy of biscuit microbial detection.

[0050] The lifting component is driven by the driving component to lift and lower, so that the clamped sterile homogenizing bag can be lifted and lowered. In this way, the top of the sterile homogenizing bag can be clamped, so that more space with biscuit samples and diluents can be placed at the bottom. In this way, the lifting component can be adjusted to allow the biscuit samples and diluents to rise or fall, thereby avoiding the sterile homogenizing bag being placed in a poor position, resulting in the biscuit samples and diluents in the sterile homogenizing bag not being fully mixed and homogenized due to the poor position of the sterile homogenizing bag when the slapping block 26 is slapped and mixed, or the sterile homogenizing bag is slapped by the slapping block 26, causing the sterile homogenizing bag to be pulled and deformed, causing the sterile homogenizing bag to be damaged and the biscuit samples and diluents inside to spill out and pollute.

[0051] When the tapping block 26 taps the sterile homogenizing bag, a transparent plastic plate window is partially provided on the fixed plate 5. This arrangement allows the staff to observe the mixing effect of the biscuit sample and the diluent in the sterile homogenizing bag in the working box 1 and make timely adjustments, so that the biscuit sample and the diluent in the sterile homogenizing bag can be mixed and homogenized more completely, thereby improving the accuracy of biscuit microbial detection.

[0052] See also Figure 3 , Figure 4 and Figure 5 As shown, the driving assembly includes a telescopic motor 20 and a telescopic rod 19;

[0053] The lifting assembly includes a support frame 7 and a moving block 21;

[0054] The support frame 7 is fixedly arranged on a side of the fixed plate 5 close to the working box 1; the moving block 21 is slidably arranged on the support frame 7;

[0055] The telescopic motor 20 is fixedly arranged on the top of the support frame 7; one end of the telescopic rod 19 is fixedly arranged in the support frame 7; the other end of the telescopic rod 19 is fixedly arranged with the moving block 21; the telescopic motor 20 is connected with the telescopic rod 19;

[0056] The telescopic motor 20 drives the telescopic rod 19 to be extended and retracted, so that the telescopic rod 19 drives the moving block 21 to move on the support frame 7. The movement of the moving block 21 enables the clamped sterile homogenizing bag to rise or fall, so that the slapping block 26 can better mix and homogenize the biscuit sample and the diluent in the sterile homogenizing bag.

[0057] See also Figure 2 , Figure 3 and Figure 4 As shown, the clamping assembly includes a rotating rod 17, a worm gear 16, a driving box 18, a moving worm 15, a driving block 14, a moving frame 8 and a clamping block 9;

[0058] Among them, the driving box 18 is fixedly arranged on the top of the moving block 21; the moving worm 15 is rotatably arranged in the driving box 18; the rotating rod 17 is rotatably arranged on the moving block 21 at one side of the driving box 18, and the rotating rod 17 passes through the supporting frame 7; the worm gear 16 is fixedly arranged on the rotating rod 17; the worm gear 16 is meshed with the moving worm 15; the moving frame 8 is fixedly arranged at one end of the moving block 21; the clamping block 9 is slidably arranged on the moving frame 8; the bottom of the driving block 14 is fixedly arranged on the top of the clamping block 9; one end of the driving block 14 is fixedly connected to the moving worm 15;

[0059] The moving block 21 is raised and lowered to make the rotating rod 17 pass through the support frame 7. A threaded stroke is set in the middle area of ​​the rotating rod 17. The rotating rod 17 passes through the support frame 7 so that the thread on the rotating rod 17 cooperates with the support frame 7 to allow the rotating rod 17 to rotate. The rotating rotating rod 17 drives the worm gear 16 to rotate. The rotating worm gear 16 causes the moving worm 15 in the driving box 18 to rotate and move forward and backward. The moving moving worm 15 drives the driving block 14 and the clamping block 9 to slide on the moving frame 8. This arrangement makes the clamping block 9 The block 9 cooperates with the movable frame 8 to clamp or loosen the sterile homogenous bag. When the movable block 21 rises or falls to a certain distance, the thread on the rotating rod 17 will no longer cooperate with the support frame 7. In this way, the rotating rod 17 will no longer rotate when the movable block 21 rises and falls. This achieves a clamping effect and does not affect the work of the clamping block 9 to clamp the sterile homogenous bag to rise or fall (at this time, the rising and falling movable block 21 does not allow the rotating rod 17 to contact the support frame 7, and the thread on the rotating rod 17 will not be threadedly matched with the support frame 7).

[0060] See also Figure 1 , Figure 4 and Figure 5As shown, a receiving groove 22 is provided on the fixed plate 5; a receiving platform 6 is slidably connected in the receiving groove 22; a moving tooth plate 13 is fixedly connected to the bottom of the receiving platform 6; the moving tooth plate 13 penetrates the moving bracket 4; a moving rod 11 is rotatably connected to the moving bracket 4; a rotating gear 23 is fixedly connected to the moving rod 11; the rotating gear 23 is meshed with the moving tooth plate 13;

[0061] The rotation of the moving rod 11 causes the rotating gear 23 to rotate as well, and the rotating gear 23 drives the moving tooth plate 13 to move. The moving tooth plate 13 allows the top receiving platform 6 to slide in the receiving groove 22. The receiving platform 6 is provided to provide a support for the sterile homogeneous bag. When the mobile bracket 4 drives the fixed plate 5 to move outward, the receiving platform 6 will also move upward to support the bottom of the sterile homogeneous bag. When the mobile bracket 4 drives the fixed plate 5 to move toward the inside of the working box 1, the receiving platform 6 will move downward to make the sterile homogeneous bag suspended, so that the slapping block 26 can better slap and mix the biscuit sample and the diluent in the sterile homogeneous bag. When the receiving platform 6 is raised, the support is to prevent the clamping block 9 from loosening the sterile homogeneous bag. The sterile homogeneous bag falls rapidly due to its own gravity, and the staff fails to grab the top of the sterile homogeneous bag in time, thereby causing the biscuit sample and the diluent in the sterile homogeneous bag to spill and cause pollution.

[0062] See also Figure 1 , Figure 2 and Figure 5 As shown, the bottom of the working box 1 is fixedly connected to a sleeve frame 3; the sleeve frame 3 is slidably connected to a moving bracket 4; one end of the moving bracket 4 is fixedly connected to a moving motor 12; the moving motor 12 is connected to a moving rod 11; a connecting block 24 is fixedly connected to the middle of the bottom of the working box 1; the connecting block 24 is rotatably connected to the moving rod 11;

[0063] The moving rod 11 is driven to rotate by the moving motor 12. The moving rod 11 is provided with a thread at the tail end. When the moving rod 11 rotates, the thread on the moving rod 11 will cooperate with the connecting block 24, allowing the moving bracket 4 to slide in the sleeve frame 3, so that the moving bracket 4 and the fixed plate 5 are moved away from or close to the working box 1.

[0064] See also Figure 1 , Figure 5 and Figure 6As shown, a support plate 25 is fixedly connected inside the working box 1; a driving rod 10 is rotatably connected to the supporting plate 25; the other end of the driving rod 10 passes through the working box 1; a handle 2 is fixedly connected to one end of the driving rod 10 passing through the working box 1; a sliding block 30 is rotatably connected to the driving rod 10; a limiting column 28 is fixedly connected to the supporting plate 25, and the limiting column 28 passes through the sliding block 30; two limiting columns 28 are provided, and are symmetrically arranged on the supporting plate 25;

[0065] The staff turns the handle 2 to rotate the driving rod 10, and the driving rod 10 is provided with a thread. When the driving rod 10 rotates, the sliding block 30 will be threadedly engaged, so that the sliding block 30 can slide in the working box 1. The limiting column 28 passing through the sliding block 30 is to prevent the sliding block 30 from being offset due to the rotating driving rod 10, so the limiting column 28 plays a role in allowing the sliding block 30 to only move horizontally in the working box 1 and cannot be deflected. The movement of the sliding block 30 allows the top slapping block 26 to adjust the distance between it and the sterile homogenizing bag at any time, so that the sterile homogenizing bag can be better mixed and homogenized.

[0066] See also Figure 5 and Figure 6 As shown, the top of the sliding block 30 is fixedly connected to a column 31; the top of the column 31 is fixedly connected to a driving bin 32; a reciprocating gear 33 is rotatably connected in the driving bin 32; a reciprocating motor 34 is fixedly connected to the top of the driving bin 32; the reciprocating motor 34 is communicated with the reciprocating gear 33; a reciprocating toothed plate 29 is slidably connected to the driving bin 32; two reciprocating toothed plates 29 are provided and symmetrically arranged on the driving bin 32; the reciprocating toothed plates 29 are meshed with the reciprocating gear 33; one end of the reciprocating toothed plate 29 is fixedly connected to the slapping block 26; a limiting block 36 is fixedly connected to the top of the inner side of the working box 1; a limiting column 35 is slidably connected to the limiting block 36; one end of the limiting column 35 is fixedly connected to the slapping block 26;

[0067] The reciprocating gear 33 is driven to rotate by the reciprocating motor 34. The driving motor makes the reciprocating gear 33 rotate clockwise and counterclockwise in the driving bin 32. In this way, the reciprocating gear 33 will drive the two reciprocating toothed plates 29 to move forward and backward respectively, so that the slapping block 26 at one end of the reciprocating toothed plate 29 can slap and mix the sterile homogenizing bag in a reciprocating cycle. The limiting column 35 connected to the slapping block 26 cooperates with the limiting block 36 to support the slapping block 26 and prevent the slapping block 26 from leaving the original slapping position due to its own gravity. The column 31 at the top of the sliding block 30 supports and fixes the driving bin 32.

[0068] See also Figures 1 to 6As shown, a hybrid method for food microbiological detection comprises the following steps:

[0069] S1: First, the staff takes out a brand new sterile homogenizing bag, and then samples and weighs the biscuit samples to be tested. After weighing, the biscuit samples are placed in the sterile homogenizing bag, and then the corresponding diluent is measured with a measuring cylinder. After weighing, the diluent is poured into the sterile homogenizing bag;

[0070] S2: Put the sterile homogenizing bag with the biscuit sample and the diluent between the moving frame 8 and the clamping block 9, use the clamping block 9 to move and clamp the sterile homogenizing bag, fix it and send it into the working box 1 and set the tapping parameters, so that the tapping block 26 in the working box 1 taps the biscuit sample and the diluent in the sterile homogenizing bag to mix and homogenize them;

[0071] S3: When the slapping block 26 is working, the staff can observe through the window on the working box 1 whether the slapping block 26 has slapped the biscuit sample and the diluent in the sterile homogenizing bag. If the slapping position is found to be incorrect, the telescopic motor 20 can be driven to adjust the telescopic rod 19 so that the biscuit sample and the diluent in the sterile homogenizing bag are fully mixed and homogenized.

[0072] S4: After the mixing is completed, the fixed plate 5 is moved away from the working box 1, and then the staff takes out the sterile homogenizing bag and performs detection and analysis on the mixed biscuit sample and the diluent.

[0073] The working principle of the present invention is as follows: the staff puts the weighed biscuit sample and diluent into the sterile homogenizing bag, and then lets the movable bracket 4 drive the fixed plate 5 to move so that the fixed plate 5 is away from the working box 1. After the fixed plate 5 is away from the working box 1, the driving component drives the lifting component to descend and drives the clamping component to move, and then puts the sterile homogenizing bag with the biscuit sample and diluent into the clamping component, and then lets the clamping component fix and clamp the sterile homogenizing bag with the biscuit sample and diluent.

[0074] The sterile homogenizing bag with the biscuit sample and the diluent is fixedly clamped by the clamping assembly. This arrangement firstly avoids the sterile homogenizing bag from being directly clamped and locked, and the sterile homogenizing bag cannot be moved, resulting in poor mixing and homogenization when the sterile homogenizing bag is beaten and mixed by the beating block 26 because the sterile homogenizing bag is in a low or high position. Secondly, when the homogenizer door and the homogenizer are operated to clamp and fix the sterile homogenizing bag, the homogenizer door and the homogenizer may be easily closed loosely, resulting in the sterile homogenizing bag not being completely closed. In this way, when the beating block 26 is beaten and mixed, it is easy for the biscuit sample and the diluent in the sterile homogenizing bag to overflow from the sterile homogenizing bag and cause contamination, so that the biscuit sample and the diluent in the sterile homogenizing bag can be mixed and homogenized more completely, thereby improving the accuracy of biscuit microbial detection.

[0075] The lifting component is driven by the driving component to lift and lower, so that the clamped sterile homogenizing bag can be lifted and lowered. In this way, the top of the sterile homogenizing bag can be clamped, so that more space with biscuit samples and diluents can be placed at the bottom. In this way, the lifting component can be adjusted to allow the biscuit samples and diluents to rise or fall, thereby avoiding the sterile homogenizing bag being placed in a poor position, resulting in the biscuit samples and diluents in the sterile homogenizing bag not being fully mixed and homogenized due to the poor position of the sterile homogenizing bag when the slapping block 26 is slapped and mixed, or the sterile homogenizing bag is slapped by the slapping block 26, causing the sterile homogenizing bag to be pulled and deformed, causing the sterile homogenizing bag to be damaged and the biscuit samples and diluents inside to spill out and pollute.

[0076] When the tapping block 26 taps the sterile homogenizing bag, a transparent plastic plate window is partially provided on the fixed plate 5. This arrangement allows the staff to observe the mixing effect of the biscuit sample and the diluent in the sterile homogenizing bag in the working box 1 and make timely adjustments, so that the biscuit sample and the diluent in the sterile homogenizing bag can be mixed and homogenized more completely, thereby improving the accuracy of biscuit microbial detection.

[0077] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A mixing homogenizer for food microorganism detection, comprising a working box (1), a slapping block (26), a movable bracket (4) and a fixed plate (5); characterized in that: It also includes a clamping and moving unit arranged on the fixing plate (5); The striking block (26) is reciprocatingly arranged in the working box (1); The movable bracket (4) is slidably arranged at the bottom of the working box (1); The fixing plate (5) is fixedly arranged at one end of the top of the movable bracket (4); The clamping and moving unit is arranged on the fixed plate (5), and comprises a driving component, a lifting component and a clamping component; the driving component drives the lifting component to move; the movement of the lifting component drives the clamping component to move; The sterile homogenous bag containing the biscuit sample and the diluent is lifted and placed inside the fixed plate (5), and then the clamping assembly is moved to clamp the sterile homogenous bag and seal the mouth of the sterile homogenous bag. After the sterile homogenous bag is clamped, the driving assembly drives the lifting assembly to lift and lower the sterile homogenous bag to a suitable position according to the position of the slapping block (26), and then the mobile bracket (4) is used to send the sterile homogenous bag into the working box (1), and then the slapping block (26) is used to slap the sterile homogenous bag to homogenize and mix the biscuit sample and the diluent in the sterile homogenous bag.

2. A mixing homogenizer for food microorganism detection according to claim 1, characterized in that: The driving assembly comprises a telescopic motor (20) and a telescopic rod (19); The lifting assembly comprises a support frame (7) and a moving block (21); Wherein, the support frame (7) is fixedly arranged on a side of the fixed plate (5) close to the working box (1); the moving block (21) is slidably arranged on the support frame (7); The telescopic motor (20) is fixedly arranged on the top of the support frame (7); one end of the telescopic rod (19) is fixedly arranged in the support frame (7); the other end of the telescopic rod (19) is fixedly arranged on the moving block (21); and the telescopic motor (20) is connected to the telescopic rod (19).

3. A mixing homogenizer for food microorganism detection according to claim 2, characterized in that: The clamping assembly comprises a rotating rod (17), a worm gear (16), a driving box (18), a movable worm (15), a driving block (14), a movable frame (8) and a clamping block (9); The driving box (18) is fixedly arranged on the top of the moving block (21); the moving worm (15) is rotatably arranged in the driving box (18); the rotating rod (17) is rotatably arranged on one side of the moving block (21) located at the driving box (18), and the rotating rod (17) passes through the supporting frame (7); the worm gear (16) is fixedly arranged on the rotating rod (17); the worm gear (16) is meshed with the moving worm (15); the moving frame (8) is fixedly arranged on one end of the moving block (21); the clamping block (9) is slidably arranged on the moving frame (8); the bottom of the driving block (14) is fixedly arranged on the top of the clamping block (9); and one end of the driving block (14) is fixedly connected to the moving worm (15).

4. A mixing homogenizer for food microorganism detection according to claim 3, characterized in that: The fixed plate (5) is provided with a receiving groove (22); a receiving platform (6) is slidably connected in the receiving groove (22); a movable tooth plate (13) is fixedly connected to the bottom of the receiving platform (6); the movable tooth plate (13) passes through the movable bracket (4); a movable rod (11) is rotatably connected to the movable bracket (4); a rotating gear (23) is fixedly connected to the movable rod (11); the rotating gear (23) is meshed with the movable tooth plate (13).

5. A mixing homogenizer for food microorganism detection according to claim 4, characterized in that: The bottom of the working box (1) is fixedly connected to a sleeve frame (3); the sleeve frame (3) is slidably connected to a movable bracket (4); one end of the movable bracket (4) is fixedly connected to a movable motor (12); the movable motor (12) is connected to a movable rod (11); a connecting block (24) is fixedly connected to the middle of the bottom of the working box (1); the connecting block (24) is rotatably connected to the movable rod (11).

6. A mixing homogenizer for food microorganism detection according to claim 5, characterized in that: A support plate (25) is fixedly connected inside the working box (1); a driving rod (10) is rotatably connected to the supporting plate (25); the other end of the driving rod (10) passes through the working box (1); a handle (2) is fixedly connected to one end of the driving rod (10) passing through the working box (1); a sliding block (30) is rotatably connected to the driving rod (10); a limiting column (28) is fixedly connected to the supporting plate (25), and the limiting column (28) passes through the sliding block (30); two limiting columns (28) are provided, and are symmetrically arranged on the supporting plate (25).

7. A mixing homogenizer for food microorganism detection according to claim 6, characterized in that: The top of the sliding block (30) is fixedly connected to a column (31); the top of the column (31) is fixedly connected to a driving bin (32); a reciprocating gear (33) is rotatably connected inside the driving bin (32); a reciprocating motor (34) is fixedly connected to the top of the driving bin (32); the reciprocating motor (34) is connected to the reciprocating gear (33); a reciprocating tooth plate (29) is slidably connected to the driving bin (32); two reciprocating tooth plates (29) are provided and are symmetrically arranged on the driving bin (32); the reciprocating tooth plates (29) are meshed with the reciprocating gear (33); one end of the reciprocating tooth plate (29) is fixedly connected to the slapping block (26); a limiting block (36) is fixedly connected to the top of the inner side of the working box (1); a limiting column (35) is slidably connected to the limiting block (36); one end of the limiting column (35) is fixedly connected to the slapping block (26).

8. A mixing method for food microorganism detection, using the mixing homogenizer for food microorganism detection according to claim 7, characterized in that: The hybrid approach includes the following steps: S1: First, the staff takes out a brand new sterile homogenizing bag, and then samples and weighs the biscuit samples to be tested. After weighing, the biscuit samples are placed in the sterile homogenizing bag, and then the corresponding diluent is measured with a measuring cylinder. After weighing, the diluent is poured into the sterile homogenizing bag; S2: placing the sterile homogenizing bag containing the biscuit sample and the diluent between the movable rack (8) and the clamping block (9), clamping and fixing the sterile homogenizing bag by moving the clamping block (9), and sending the bag into the working box (1) after fixing it, and setting the tapping parameters, so that the tapping block (26) in the working box (1) taps the biscuit sample and the diluent in the sterile homogenizing bag to mix and homogenize them; S3: When the slapping block (26) is working, the staff can observe through the window on the working box (1) whether the slapping block (26) has slapped the biscuit sample and the diluent in the sterile homogenizing bag. If the slapping position is found to be incorrect, the telescopic motor (20) can be driven to adjust the telescopic rod (19) so that the biscuit sample and the diluent in the sterile homogenizing bag are fully mixed and homogenized. S4: After the mixing is completed, the fixed plate (5) is moved away from the working box (1), and then the staff takes out the sterile homogenizing bag and performs testing and analysis on the mixed biscuit sample and the diluent.

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