Lactobacillus fermentation culture device

Abstract

The invention belongs to the technical field of microbial culture, and particularly relates to a lactobacillus fermentation culture device which comprises a constant-temperature multi-layer culture mechanism, a separable fermentation barrel fixing mechanism and a lifting type automatic stirring mechanism, the separable fermentation barrel fixing mechanism is fixedly arranged in the constant-temperature multi-layer culture mechanism, and the lifting type automatic stirring mechanism is arranged in the constant-temperature multi-layer culture mechanism. The lifting type automatic stirring mechanism is fixedly arranged on the constant-temperature multi-layer culture mechanism; the problems that according to an existing microorganism culture device, lactic acid bacteria are heated unevenly, the activity of the lactic acid bacteria is reduced in the stirring process, and fermentation culture is incomplete are solved.

Description

Technical Field

[0001] The invention belongs to the technical field of microbial culture, and specifically relates to a lactic acid bacteria fermentation and culture device. Background Art

[0002] In the fields of biotechnology and medicine, a large number of microorganisms are used for experiments. In order to ensure that the number of microorganisms required for the experiments is sufficient, microbial culture devices are often used to culture the microorganisms. The culture of microorganisms often requires dynamic culture at constant temperature and humidity to ensure the stability of the culture cycle; the fermentation of lactic acid bacteria is carried out under stirring conditions, and heat is supplemented in time to keep it at a suitable temperature for culture; current culture devices usually use heaters to directly heat the inside of the device, or heat the entire device, but the lactic acid bacteria close to the heating source and the lactic acid bacteria in other positions will be unevenly heated, resulting in incomplete fermentation culture; and the culture device will generate heat during the stirring process, and excessively high temperature will also reduce the activity of the lactic acid bacteria and cause incomplete fermentation. Therefore, a lactic acid bacteria culture device that can solve the above problems is needed. Summary of the Invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a lactic acid bacteria fermentation and cultivation device, which can not only automatically fix and clamp the fermentation barrel and uniformly heat and cultivate the lactic acid bacteria in the fermentation barrel, but also can timely monitor the internal temperature of the fermentation barrel when uniformly stirring the lactic acid bacteria to make appropriate adjustments to the stirring device, thereby solving the problem that the current microbial cultivation device easily causes uneven heating of lactic acid bacteria and reduces the activity of lactic acid bacteria during the stirring process, resulting in incomplete fermentation and cultivation.

[0004] The technical solution adopted by the present invention is as follows: The present invention provides a lactic acid bacteria fermentation and culture device, including a constant temperature multi-layer culture mechanism, a detachable fermentation barrel fixing mechanism and a lifting type automatic stirring mechanism, the detachable fermentation barrel fixing mechanism is fixedly arranged in the constant temperature multi-layer culture mechanism, the lifting type automatic stirring mechanism is fixedly arranged on the constant temperature multi-layer culture mechanism, the constant temperature multi-layer culture mechanism includes a multi-layer placement component and a rotation control component, the rotation control component is fixedly arranged in the multi-layer placement component, the detachable fermentation barrel fixing mechanism includes a fermentation barrel clamping component and a rotation separation control component, the fermentation barrel clamping component is slidably arranged on the rotation control component, the rotation separation control component is fixedly arranged on the fermentation barrel clamping component, the lifting type automatic stirring mechanism includes a lifting control component and a uniform stirring component, the lifting control component is fixedly arranged in the rotation control component, and the uniform stirring component is fixedly arranged on the lifting control component.

[0005] Furthermore, the multi-layer placement component includes an incubator, a rectangular plate, a heating rod and a programmable controller, the linear array of the rectangular plate is arranged in the incubator and fixedly connected to the inner wall of the incubator, the annular array of the heating rod is arranged on the rectangular plate and fixedly connected to the rectangular plate, and the programmable controller is fixedly arranged on the top of the incubator.

[0006] Furthermore, the rotation control assembly includes a rotating motor, a cylindrical barrel, a cross block and a spring. The rotating motor is fixedly arranged at the inner bottom of the incubator. The cylindrical barrel passes through the rectangular disk and is rotatably connected to the rectangular disk. The end face of the cylindrical barrel is fixedly connected to the transmission end of the rotating motor. A rectangular opening is provided in an annular array on the cylindrical barrel. The cross block is fixedly arranged on the cylindrical barrel. A rectangular groove is provided in an annular array inside the cross block. The spring is arranged in the rectangular groove and is connected to the cross block.

[0007] Furthermore, the fermentation barrel clamping assembly includes a movable plate, a placement plate, a screw rod and a clamping block. The movable plate ring array is arranged in the cross block and is slidingly connected to the cross block. The end face of the movable plate is connected to the spring. The placement plate is fixed on the end face of the movable plate. The placement plate is symmetrically provided with movable grooves. The placement plate is fixed with an iron block. The bottom of the placement plate is fixed with a U-shaped plate, and support blocks are symmetrically fixed on the U-shaped plate.

[0008] Furthermore, the screw rod passes through the support block and is rotatably connected to the support block and the U-shaped plate. A driven gear is fixed on the end face of the screw rod. A rectangular block is provided on the screw rod, and the rectangular block is threadedly connected to the screw rod. The clamping block is fixed on the top of the rectangular block. An L-shaped plate is provided directly below the placement plate, and the L-shaped plate is fixedly connected to the bottom of the cross block. An electromagnet is fixed on the L-shaped plate.

[0009] Furthermore, the rotation separation control assembly includes a fixed gear, a control gear, a rotating column and a driving gear, the fixed gear is fixed on the rectangular plate, the rotating column passes through the U-shaped plate and is rotatably connected to the U-shaped plate, the driving gear is fixed on the top of the rotating column, the driving gear is meshed with the driven gear, and the control gear is fixed at the bottom of the rotating column, and the control gear is meshed with the fixed gear.

[0010] Furthermore, the lifting control assembly includes an electric telescopic rod, a lifting column, a cross plate and a connecting plate. The electric telescopic rod is fixedly arranged on the inner top of the cylindrical tube, the lifting column is arranged in the cylindrical tube, the lifting column is fixedly arranged on the transmission end of the electric telescopic rod, the cross plate linear array is arranged on the lifting column and fixedly connected to the lifting column, the cross plate is slidably connected to the cylindrical tube, and the connecting plate annular array is arranged on the cross plate and fixedly connected to the cross plate.

[0011] Furthermore, the uniform stirring assembly includes a rotating shaft, a belt clamp, a circular plate, a stirring blade and a stirring motor. The rotating shaft passes through the connecting plate and is rotatably connected to the connecting plate. The belt clamp is fixedly arranged on the top of the rotating shaft. Two slots are provided on the belt clamp. The four belt clamps are connected to each other through a transmission belt. A transmission gear is fixedly provided on the top of one of the belt clamps. The stirring motor is fixedly arranged on the top of one of the connecting plates. A columnar gear is fixedly provided on the transmission end of the stirring motor, and the columnar gear is meshed with the transmission gear.

[0012] Furthermore, the circular plate is fixed at the bottom of the rotating shaft, a temperature sensor is fixed at the bottom of the circular plate, the annular array of stirring blades is arranged at the bottom of the circular plate and fixedly connected to the circular plate, and the temperature sensor and stirring motor are both wirelessly connected to the programmable controller.

[0013] With the above structure, the present invention has the following beneficial effects: According to the situation that the current microbial culture device easily causes uneven heating of lactic acid bacteria and reduces the activity of lactic acid bacteria during stirring, resulting in incomplete fermentation and cultivation, the fermentation barrel clamping component and the rotary separation control component are combined to automatically and adaptively clamp fermentation barrels of various sizes to ensure the stability of the fermentation barrels during stirring; the constant temperature multi-layer culture mechanism and the detachable fermentation barrel fixing mechanism are combined to uniformly heat and culture the lactic acid bacteria in the fermentation barrel, effectively avoiding uneven heating of the lactic acid bacteria; the lifting control component and the uniform stirring component are combined to uniformly stir the lactic acid bacteria in the fermentation barrel, and the temperature is monitored in real time to make timely adjustments to the stirring device, effectively avoiding the heat generated by stirring causing the activity of lactic acid bacteria to be reduced and resulting in incomplete fermentation and cultivation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional diagram of a lactic acid bacteria fermentation and cultivation device proposed by the present invention; Figure 2 This is a cross-sectional view of a lactic acid bacteria fermentation and cultivation device proposed by the present invention; Figure 3 This is a diagram showing the internal structure of a multi-layer placement component of a lactic acid bacteria fermentation and cultivation device proposed by the present invention; Figure 4 A perspective view of a rotation control assembly of a lactic acid bacteria fermentation and cultivation device proposed by the present invention; Figure 5 This is a cross-sectional view of a rotation control assembly of a lactic acid bacteria fermentation and cultivation device proposed by the present invention; Figure 6 for Figure 5 Enlarged view of part A; Figure 7 A three-dimensional diagram of a detachable fermentation barrel fixing mechanism of a lactic acid bacteria fermentation and cultivation device proposed in the present invention; Figure 8 This is a cross-sectional view of a detachable fermentation barrel fixing mechanism of a lactic acid bacteria fermentation and cultivation device proposed by the present invention; Figure 9 A perspective view of a lifting automatic stirring mechanism of a lactic acid bacteria fermentation and cultivation device proposed by the present invention; Figure 10 This is a cross-sectional view of the lifting automatic stirring mechanism of the lactic acid bacteria fermentation and cultivation device proposed by the present invention.

[0015] Among them, 1. Constant temperature multi-layer culture mechanism, 2. Separable fermentation barrel fixing mechanism, 3. Lifting automatic stirring mechanism, 4. Multi-layer placement component, 5. Rotation control component, 6. Fermentation barrel clamping component, 7. Rotation separation control component, 8. Lifting control component, 9. Uniform stirring component, 401, incubator, 402, rectangular plate, 403, heating rod, 404, programmable controller, 501, rotating motor, 502, columnar cylinder, 503, cross block, 504, spring, 505, rectangular groove, 601, moving plate, 602, placement plate, 603, screw rod, 604 , clamping block, 605, iron block, 606, U-shaped plate, 607, supporting block, 608, driven gear, 609, rectangular block, 610, L-shaped plate, 611, electromagnet, 701, fixed gear, 702, control gear, 703, rotating column, 704, driving gear, 801, electric telescopic rod, 802, lifting column, 803, cross plate, 804, connecting plate, 901, rotating shaft, 902, belt clamp, 903, circular plate, 904, stirring blade, 905, stirring motor, 906, transmission gear, 907, columnar gear, 908, temperature sensor.

[0016] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0018] In the description of the present invention, it should be understood that terms such as "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limiting the present invention.

[0019] like Figures 1 to 10 As shown, the present invention proposes a lactic acid bacteria fermentation and cultivation device, comprising a constant temperature multi-layer cultivation mechanism 1, a detachable fermentation barrel fixing mechanism 2 and a lifting type automatic stirring mechanism 3, wherein the detachable fermentation barrel fixing mechanism 2 is fixedly arranged in the constant temperature multi-layer cultivation mechanism 1, and the lifting type automatic stirring mechanism 3 is fixedly arranged on the constant temperature multi-layer cultivation mechanism 1, the constant temperature multi-layer cultivation mechanism 1 comprises a multi-layer placement component 4 and a rotation control component 5, and the rotation control component 5 is fixedly arranged in the multi-layer placement component 4, the detachable fermentation barrel fixing mechanism 2 comprises a fermentation barrel clamping component 6 and a rotation separation control component 7, the fermentation barrel clamping component 6 is slidably arranged on the rotation control component 5, and the rotation separation control component 7 is fixedly arranged on the fermentation barrel clamping component 6, the lifting type automatic stirring mechanism 3 comprises a lifting control component 8 and a uniform stirring component 9, the lifting control component 8 is fixedly arranged in the rotation control component 5, and the uniform stirring component 9 is fixedly arranged on the lifting control component 8.

[0020] The multi-layer placement component 4 includes an incubator 401, a rectangular plate 402, a heating rod 403 and a programmable controller 404. The rectangular plate 402 is linearly arranged in an array inside the incubator 401 and fixedly connected to the inner wall of the incubator 401. The heating rod 403 is annularly arranged on the rectangular plate 402 and fixedly connected to the rectangular plate 402. The programmable controller 404 is fixedly arranged on the top of the incubator 401.

[0021] The rotation control assembly 5 includes a rotating motor 501, a cylindrical barrel 502, a cross block 503 and a spring 504. The rotating motor 501 is fixedly arranged at the inner bottom of the incubator 401. The cylindrical barrel 502 passes through the rectangular disk 402 and is rotatably connected to the rectangular disk 402. The end face of the cylindrical barrel 502 is fixedly connected to the transmission end of the rotating motor 501. The cylindrical barrel 502 is provided with a rectangular opening in an annular array. The cross block 503 is fixedly arranged on the cylindrical barrel 502. The cross block 503 is provided with a rectangular groove 505 in an annular array. The spring 504 is arranged in the rectangular groove 505 and is connected to the cross block 503.

[0022] The fermentation barrel clamping assembly 6 includes a movable plate 601, a placement plate 602, a screw rod 603 and a clamping block 604. The movable plate 601 is arranged in a circular array in the cross block 503 and is slidably connected to the cross block 503. The end face of the movable plate 601 is connected to the spring 504. The placement plate 602 is fixed on the end face of the movable plate 601. The placement plate 602 is symmetrically provided with movable grooves. The placement plate 602 is fixed with an iron block 605. The bottom of the placement plate 602 is fixed with a U-shaped plate 606, and the U-shaped plate 606 is symmetrically fixed with a support block 607.

[0023] The screw rod 603 passes through the support block 607 and is rotatably connected to the support block 607 and the U-shaped plate 606. A driven gear 608 is fixedly provided on the end face of the screw rod 603. A rectangular block 609 is provided on the screw rod 603. The rectangular block 609 is threadedly connected to the screw rod 603. The clamping block 604 is fixedly provided on the top of the rectangular block 609. An L-shaped plate 610 is provided directly below the placement plate 602. The L-shaped plate 610 is fixedly connected to the bottom of the cross block 503. An electromagnet 611 is fixedly provided on the L-shaped plate 610.

[0024] The rotation separation control assembly 7 includes a fixed gear 701, a control gear 702, a rotating column 703 and a driving gear 704. The fixed gear 701 is fixed on the rectangular disk 402. The rotating column 703 passes through the U-shaped plate 606 and is rotatably connected to the U-shaped plate 606. The driving gear 704 is fixed on the top of the rotating column 703. The driving gear 704 is engaged with the driven gear 608. The control gear 702 is fixed on the bottom of the rotating column 703. The control gear 702 is engaged with the fixed gear 701.

[0025] The lifting control assembly 8 includes an electric telescopic rod 801, a lifting column 802, a cross plate 803 and a connecting plate 804. The electric telescopic rod 801 is fixedly arranged on the inner top of the cylindrical tube 502, the lifting column 802 is arranged in the cylindrical tube 502, the lifting column 802 is fixedly arranged on the transmission end of the electric telescopic rod 801, the cross plate 803 is linearly arranged on the lifting column 802 and fixedly connected to the lifting column 802, the cross plate 803 is slidably connected to the cylindrical tube 502, and the connecting plate 804 is annularly arranged on the cross plate 803 and fixedly connected to the cross plate 803.

[0026] The uniform stirring assembly 9 includes a rotating shaft 901, a belt clamp 902, a circular plate 903, a stirring blade 904 and a stirring motor 905. The rotating shaft 901 passes through the connecting plate 804 and is rotatably connected to the connecting plate 804. The belt clamp 902 is fixedly arranged on the top of the rotating shaft 901. Two slots are provided on the belt clamp 902. The four belt clamps 902 are connected by a transmission belt. A transmission gear 906 is fixedly provided on the top of one of the belt clamps 902. The stirring motor 905 is fixedly provided on the top of one of the connecting plates 804. A columnar gear 907 is fixedly provided on the transmission end of the stirring motor 905. The columnar gear 907 is meshed with the transmission gear 906.

[0027] The circular plate 903 is fixedly arranged at the bottom of the rotating shaft 901, and a temperature sensor 908 is fixedly arranged at the bottom of the circular plate 903. The annular array of stirring blades 904 is arranged at the bottom of the circular plate 903 and is fixedly connected to the circular plate 903. The temperature sensor 908 and the stirring motor 905 are both wirelessly connected to the programmable controller 404.

[0028] When in use, first place the prepared lactic acid bacteria fermentation barrel in the placement tray 602, then fix the fermentation barrel, start the rotating motor 501, the rotating motor 501 drives the cylindrical barrel 502 to rotate, the cylindrical barrel 502 drives the cross block 503 to rotate, the cross block 503 drives the movable plate 601 to rotate, the movable plate 601 drives the placement tray 602 and the U-shaped plate 606 to rotate, because the fixed gear 701 is fixed, the U-shaped plate 606 drives the control gear 702 to rotate around the fixed gear 701 through the rotating column 703, the control gear 702 drives the rotating column 703 and the driving gear 704 to rotate, the driving gear 704 drives the driven gear 608 to rotate, the driven gear 608 drives the screw rod 603 to rotate, and the screw rod 603 drives the rectangular block 609 The iron block 605 is moved from both ends to the middle together with the clamping block 604 until the clamping block 604 clamps the fermentation barrel. The rotating motor 501 can be turned off first, and then the heating rod 403 is started to set the temperature to a temperature suitable for the fermentation barrel to be cultured. Then the electromagnet 611 is started. The electromagnet 611 generates a magnetic force to adsorb the iron block 605. The iron block 605 drives the placement plate 602 and the movable plate 601 to move toward the electromagnet 611. The movable plate 601 drives the spring 504 to stretch. The placement plate 602 drives the U-shaped plate 606 and the control gear 702 to move toward the electromagnet 611. After the electromagnet 611 adsorbs the iron block 605, the control gear 702 is separated from the fixed gear 701. At this time, the fermentation barrel cannot be clamped and adjusted, and then it is restarted. The rotating motor 501 is started to drive the placement plate 602 and the fermentation barrel to rotate again, so that the heating rod 403 can heat the fermentation barrel evenly, and then the fermentation barrel is stirred to prevent the accumulation of lactic acid bacteria secretions and the decrease in lactic acid bacteria activity. The electric telescopic rod 801 is started, and the electric telescopic rod 801 drives the lifting column 802 to move downward. The lifting column 802 drives the cross block 503 and the connecting plate 804 to move downward together. The connecting plate 804 drives the rotating shaft 901, the belt clamp 902, the circular plate 903, the temperature sensor 908 and the stirring blade 904 to move downward together until the temperature sensor 908 drops below the liquid level of the fermentation barrel. The electric telescopic rod 801 can be stopped, and the stirring motor 905 can be started again. The stirring motor 905 drives The columnar gear 907 rotates, and the columnar gear 907 drives the transmission gear 906 to rotate. The transmission gear 906 drives one of the belt snap rings 902 to rotate. The belt snap ring 902 drives the other belt snap rings 902 to rotate together through the transmission belt. The belt snap ring 902 drives the rotating shaft 901 to rotate, and the rotating shaft 901 drives the stirring blade 904 to rotate, thereby achieving uniform stirring of the fermentation barrel. At the same time, the temperature sensor 908 will monitor the temperature in the fermentation barrel in real time and transmit the data to the programmable controller 404. Heat will be generated during the stirring process. When the temperature sensor 908 detects that the temperature in the fermentation barrel is slightly high, the programmable controller 404 will control the stirring motor 905 to stop rotating and suspend stirring of the fermentation barrel until the temperature returns to normal.Then restart the stirring motor 905.

[0029] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0030] The present invention and its embodiments are described above. This description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by this and, without departing from the purpose of the present invention, designs structures and embodiments similar to this technical solution without inventiveness, they shall fall within the scope of protection of the present invention.

Claims

1. A lactic acid bacteria fermentation and cultivation device, characterized in that: The invention comprises a constant temperature multi-layer culture mechanism (1), a detachable fermentation barrel fixing mechanism (2) and a lifting automatic stirring mechanism (3), wherein the detachable fermentation barrel fixing mechanism (2) is fixedly arranged in the constant temperature multi-layer culture mechanism (1), and the lifting automatic stirring mechanism (3) is fixedly arranged on the constant temperature multi-layer culture mechanism (1). The constant temperature multi-layer culture mechanism (1) comprises a multi-layer placement component (4) and a rotation control component (5), and the rotation control component (5) is fixedly arranged in the multi-layer placement component (4). The detachable fermentation barrel fixing mechanism (2) comprises a fermentation barrel clamping component (6) and a rotation separation control component (7), and the fermentation barrel clamping component (6) is slidably arranged on the rotation control component (5), and the rotation separation control component (7) is fixedly arranged on the fermentation barrel clamping component (6). The lifting automatic stirring mechanism (3) comprises a lifting control component (8) and a uniform stirring component (9), and the lifting control component (8) is fixedly arranged in the rotation control component (5). The uniform stirring component (9) is fixedly arranged on the lifting control component (8).

2. A lactic acid bacteria fermentation and culture device according to claim 1, characterized in that: The multi-layer placement assembly (4) includes an incubator (401), a rectangular plate (402), a heating rod (403) and a programmable controller (404). The rectangular plates (402) are arranged in a linear array in the incubator (401) and are fixedly connected to the inner wall of the incubator (401). The heating rods (403) are arranged in a circular array on the rectangular plate (402) and are fixedly connected to the rectangular plate (402). The programmable controller (404) is fixedly arranged on the top of the incubator (401).

3. A lactic acid bacteria fermentation and culture device according to claim 2, characterized in that: The rotation control assembly (5) comprises a rotating motor (501), a cylindrical barrel (502), a cross block (503) and a spring (504); the rotating motor (501) is fixedly arranged on the inner bottom of the incubator (401); the cylindrical barrel (502) passes through the rectangular disk (402) and is rotatably connected to the rectangular disk (402); the end face of the cylindrical barrel (502) is fixedly connected to the transmission end of the rotating motor (501); a rectangular opening is provided in an annular array on the cylindrical barrel (502); the cross block (503) is fixedly arranged on the cylindrical barrel (502); a rectangular groove (505) is provided in an annular array inside the cross block (503); the spring (504) is provided in the rectangular groove (505) and is connected to the cross block (503).

4. A lactic acid bacteria fermentation and culture device according to claim 3, characterized in that: The fermentation barrel clamping assembly (6) includes a movable plate (601), a placement plate (602), a screw rod (603) and a clamping block (604). The movable plate (601) is arranged in a circular array in the cross block (503) and is slidably connected to the cross block (503). The end face of the movable plate (601) is connected to the spring (504). The placement plate (602) is fixed on the end face of the movable plate (601). The placement plate (602) is symmetrically provided with a movable groove. The placement plate (602) is fixedly provided with an iron block (605). The bottom of the placement plate (602) is fixedly provided with a U-shaped plate (606). The U-shaped plate (606) is symmetrically fixedly provided with a support block (607).

5. The lactic acid bacteria fermentation and culture device according to claim 4, characterized in that: The screw rod (603) passes through the support block (607) and is rotatably connected to the support block (607) and the U-shaped plate (606). A driven gear (608) is fixedly provided on the end surface of the screw rod (603). A rectangular block (609) is provided on the screw rod (603). The rectangular block (609) is threadedly connected to the screw rod (603). The clamping block (604) is fixedly provided on the top of the rectangular block (609). An L-shaped plate (610) is provided directly below the placement plate (602). The L-shaped plate (610) is fixedly connected to the bottom of the cross block (503). An electromagnet (611) is fixedly provided on the L-shaped plate (610).

6. The lactic acid bacteria fermentation and culture device according to claim 5, characterized in that: The rotation separation control assembly (7) comprises a fixed gear (701), a control gear (702), a rotating column (703) and a driving gear (704), wherein the fixed gear (701) is fixedly arranged on the rectangular plate (402), the rotating column (703) passes through the U-shaped plate (606) and is rotatably connected to the U-shaped plate (606), the driving gear (704) is fixedly arranged on the top of the rotating column (703), the driving gear (704) is meshed with the driven gear (608), and the control gear (702) is fixedly arranged on the bottom of the rotating column (703), and the control gear (702) is meshed with the fixed gear (701).

7. The lactic acid bacteria fermentation and culture device according to claim 6, characterized in that: The lifting control assembly (8) comprises an electric telescopic rod (801), a lifting column (802), a cross plate (803) and a connecting plate (804), wherein the electric telescopic rod (801) is fixedly arranged on the inner top of the columnar tube (502), the lifting column (802) is arranged in the columnar tube (502), the lifting column (802) is fixedly arranged on the transmission end of the electric telescopic rod (801), the cross plate (803) is linearly arranged on the lifting column (802) and fixedly connected to the lifting column (802), the cross plate (803) is slidably connected to the columnar tube (502), and the connecting plate (804) is annularly arranged on the cross plate (803) and fixedly connected to the cross plate (803).

8. The lactic acid bacteria fermentation and culture device according to claim 7, characterized in that: The uniform stirring assembly (9) comprises a rotating shaft (901), a belt clamp (902), a circular plate (903), a stirring blade (904) and a stirring motor (905). The rotating shaft (901) passes through the connecting plate (804) and is rotatably connected to the connecting plate (804). The belt clamp (902) is fixedly arranged on the top of the rotating shaft (901). Two clamping grooves are provided on the belt clamp (902). The four belt clamps (902) are connected to each other through a transmission belt. A transmission gear (906) is fixedly provided on the top of one of the belt clamps (902). The stirring motor (905) is fixedly arranged on the top of one of the connecting plates (804). A columnar gear (907) is fixedly provided on the transmission end of the stirring motor (905). The columnar gear (907) is meshed with the transmission gear (906).

9. The lactic acid bacteria fermentation and culture device according to claim 8, characterized in that: The circular plate (903) is fixedly arranged at the bottom of the rotating shaft (901), and a temperature sensor (908) is fixedly arranged at the bottom of the circular plate (903). The stirring blades (904) are arranged in an annular array at the bottom of the circular plate (903) and are fixedly connected to the circular plate (903). The temperature sensor (908) and the stirring motor (905) are both wirelessly connected to the programmable controller (404).

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