Bio-organic milk fermentation device

Abstract

The application discloses a kind of biological organic milk fermentation devices, it is related to the field of organic milk fermentation, including fermentation tank, cover, feed part and discharge part, the cover can be detached and installed at the top of fermentation tank, and the side of fermentation tank is provided with feed part, and the lower portion of fermentation tank is provided with discharge part, for the material feeding and sending in and out to fermentation tank, the upper portion of the cover is provided with gas collection mechanism, the gas discharged in fermentation tank is collected, while can block external gas to enter, the inside of the fermentation tank is provided with push plug, and the radial outer side of push plug and the inner wall of fermentation tank are mutually attached and arranged.The biological organic milk fermentation device can push out the material in fermentation tank by the movement of push plug, ensure that the milk of subsequent fermentation can be smoothly discharged, and the material adhered to the inner wall of fermentation tank can be squeezed out together, reduce the residue of subsequent material in fermentation tank, and subsequent cleaning is more convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of organic milk fermentation, in particular to a biological organic milk fermentation device. Background Art

[0002] When processing biological organic milk, the organic milk can be treated by fermentation to cause the internal microorganisms to react. The fermented milk can be converted into yogurt, which also has good flavor and nutritional content and can be accepted by the public in the market. The application number is CN202221380586.5, and a fermentation tank for milk production that is easy to clean was disclosed on September 2, 2022. The two horizontal plates are pulled upward to drive the plug plate and the vertical plate to move upward, and the compression spring is compressed to make the plug plate disengage from the slot, and then the two horizontal plates are pulled to move away from each other, thereby driving the two vertical frames to move away from each other, and the two square plates are driven away from each other through the two horizontal bars. The one side movement causes the two clamping plates to disengage from the clamping slots, releasing the fixation on the upper tank body, thereby facilitating the disassembly of the upper tank body and facilitating the cleaning of the interior of the upper and lower tank bodies; the application number is CN202321628747.2, disclosed on November 24, 2023, a stable milk fermentation tank. When the operator is unloading and cleaning, some thicker milk adheres to the tank wall and is not easy to slide off. Due to the provision of a cleaning device, the inner wall of the tank can be cleaned more conveniently and comprehensively, and the first cleaning block and the second cleaning block can be removed to clean the milk contaminated during the cleaning process, thereby better performing the fermentation of the milk;

[0003] When fermenting milk in the current fermentation device, the fermentation process not only needs to be sealed, but also the gas generated during the fermentation process needs to be discharged. The gas contains carbon dioxide and combustible gas, which can be recycled. Direct discharge of the gas will also cause waste. After the fermentation is completed, the milk becomes thick and subsequent discharge is more difficult. A lot of residue will also adhere to the inner wall, resulting in a lot of waste. Summary of the Invention

[0004] The purpose of the present invention is to provide a biological organic milk fermentation device to solve the problem proposed in the above background technology that the gas generated during the fermentation process contains carbon dioxide and combustible gas, and the direct discharge of the gas will also cause waste. After the fermentation is completed, the milk becomes thick and subsequent discharge is more difficult, and a lot of residues will adhere to the inner wall.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a biological organic milk fermentation device, comprising a fermentation tank, a cover, a feeding part and a discharging part, wherein the cover is detachably mounted on the top of the fermentation tank, and a feeding part is provided on the side of the fermentation tank, and a discharging part is provided on the bottom of the fermentation tank for feeding and discharging materials into and out of the fermentation tank, a gas collecting mechanism is provided above the cover to collect the gas discharged from the fermentation tank and at the same time block the entry of external gas, a pushing plug is provided inside the fermentation tank, and the radial outer side of the pushing plug and the inner wall of the fermentation tank are arranged to fit each other, and the material in the fermentation tank is squeezed out by moving the pushing plug to prevent the material from sticking to the inner wall of the fermentation tank, a first movable rod is passed through the middle of the pushing plug, and the first movable rod The outer side of the second movable rod is provided with a second movable rod, and the interior of the pusher is provided with a through hole, which is nested with the first movable rod and the second movable rod to scrape the material on the surface of the first movable rod and the second movable rod. The interior of the first movable rod and the interior of the second movable rod are both provided with a stirring block, and the outer side of the stirring block is designed with an inclined structure, and a first return spring is fixed to the inner end of the stirring block, so that the pusher can pass through the first movable rod and the second movable rod when it moves downward, and a transmission mechanism is provided above the second movable rod, and the second movable rod is connected to the first movable rod through the transmission mechanism, and the second movable rod can drive the first movable rod to rotate when it rotates with the pusher, and a movement control mechanism is provided on the outer side of the pusher to control the movement and rotation of the pusher.

[0006] To further optimize the technical solution, a threaded connection is formed between the cover body and the fermentation tank, and a receiving groove is provided inside the cover body, and the diameter of the receiving groove is larger than the inner diameter of the fermentation tank, providing a rotation space for the push plug.

[0007] Further optimizing this technical solution, the gas collection mechanism includes an air delivery pipe, an exhaust channel, a water seal box and a collection port;

[0008] An air supply pipe is arranged on the outside of the cover body;

[0009] An exhaust passage is provided inside the cover body, and an air supply pipe is connected to the interior of the fermentation tank through the exhaust passage;

[0010] The water seal box is arranged on the outside of the cover body, and the end of the air supply pipe is located inside the water seal box;

[0011] The collecting port is arranged above the water seal box to discharge the gas in the water seal box to the outside.

[0012] Further optimizing the technical solution, the transmission mechanism includes a connecting shaft, a first gear, a second gear and a first ring gear;

[0013] A connecting shaft is fixed to the upper end of the first movable rod, and the upper end of the connecting shaft is rotatably mounted inside the cover body;

[0014] A first gear is fixed above the connecting shaft and is located inside the cover body;

[0015] A second gear is disposed on the outer side of the first gear and is meshed with the first gear, and the second gear is rotationally connected to the cover body;

[0016] The first gear ring is arranged on the outside of the second gear and is in meshing connection with the second gear. The vertical center line of the first gear ring is arranged to coincide with the vertical center line of the push plug. The first gear ring and the cover body are in rotational connection. The bottom of the first gear ring is fixedly connected to the second movable rod.

[0017] To further optimize the technical solution, the diameter of the connecting shaft is smaller than the diameter of the through-port, and the height of the first movable rod is smaller than the height of the second movable rod, so that the fermentation gas can be discharged outward through the through-port.

[0018] Further optimizing the technical solution, the movement control mechanism includes a support cover, a second ring gear, a first magnetic block, a second magnetic block, a third gear, a motor and an electric push rod;

[0019] A support cover is sleeved on the outer side of the cover body;

[0020] a second ring gear rotatably mounted inside the support cover;

[0021] A first magnetic block is fixed inside the second gear ring;

[0022] The second magnetic block is fixed inside the pusher plug, and the second magnetic block and the first magnetic block are arranged opposite to each other with opposite magnetic poles.

[0023] a third gear, disposed on an outer side of the second gear ring and meshingly connected with the second gear ring;

[0024] a motor, disposed above the support cover and connected to the third gear to control the rotation of the third gear;

[0025] The electric push rod is fixed above the support cover to control the movement of the support cover, and the upper end of the electric push rod is fixed above the cover body.

[0026] To further optimize the technical solution, an air pressure regulating mechanism is provided inside the cover body to supply air to the fermentation tank when the push plug moves downward.

[0027] Further optimizing the technical solution, the air pressure regulating mechanism includes a movable block, a sealing plug, a connecting groove, a second return spring, a support plate, a traction rope, a slider and a buffer mechanism;

[0028] The movable block is arranged inside the cover body and between the cover body to form an up and down sliding structure;

[0029] A sealing plug is fixed under the movable block to seal the connection gap between the movable block and the cover body;

[0030] The communication groove is formed in an L-shape and is opened inside the movable block;

[0031] A second return spring is provided below the sealing plug to provide an upward thrust to the sealing plug;

[0032] A support plate is fixed inside the cover body and is located below the second return spring to provide support therefor;

[0033] A traction rope is arranged below the sealing plug to provide a downward pulling force for the sealing plug;

[0034] The slider passes through the support plates and forms an up and down sliding structure, and the slider is fixedly connected to the traction rope, and the slider and the push plug form a sliding connection;

[0035] The buffer mechanism is arranged inside the sealing plug to provide buffering for the movement of the traction rope.

[0036] To further optimize this technical solution, the buffer mechanism includes a winding shaft and a torsion spring;

[0037] The reel is rotatably mounted inside the sealing plug, and the upper end of the traction rope is wound around the surface of the reel;

[0038] The torsion spring is installed at the end of the winding shaft to provide a rotational reset force for the winding shaft, and the elastic force of the torsion spring is greater than the elastic force of the second reset spring.

[0039] Compared with the prior art, the present invention has the following beneficial effects:

[0040] 1. The outlet of the air delivery pipe is blocked by a water seal box, thereby sealing the fermentation tank. The gas in the subsequent fermentation tank can be discharged outward through the water seal box and collected through the collection port. The collector connected to the collection port is not directly connected to the fermentation tank, avoiding contamination in the fermentation tank and ensuring the sealing effect in the subsequent fermentation tank.

[0041] 2. The material in the fermentation tank can be pushed out by moving the push plug, ensuring that the fermented milk can be discharged smoothly. It can also squeeze out the material adhering to the inner wall of the fermentation tank, reducing the residual material in the fermentation tank and making subsequent cleaning more convenient.

[0042] 3. The first movable rod and the second movable rod cooperate with the stirring block to stir the material in the fermentation tank. The first movable rod and the second movable rod do not affect the movement of the subsequent push plug. Moreover, the first movable rod and the second movable rod can maintain reverse rotation under the action of the transmission mechanism, thereby improving the uniformity of stirring the material in the fermentation tank.

[0043] 4. Non-contact transmission is achieved through the mutual attraction between the first magnetic block and the second magnetic block, so that a good sealing effect is maintained inside the fermentation tank. Subsequently, the electric push rod is extended and retracted to control the movement of the support cover, driving the movement of the second gear ring to provide driving force for the push plug;

[0044] 5. The connecting groove can be opened automatically by the movement of the movable block, so that the push plug moves down to allow external gas to enter the fermentation tank, maintain the air pressure in the fermentation tank stable, and enable the material to be squeezed out smoothly. After the push plug moves up and resets, the movable block automatically moves up to close the connecting groove, so that the fermentation tank remains sealed. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0046] Figure 2 This is a schematic diagram of the top view of the structure of the present invention;

[0047] Figure 3 This is a schematic diagram of the three-dimensional structure of the fermentation tank of the present invention;

[0048] Figure 4 This is a schematic diagram of the three-dimensional structure of the cover body of the present invention;

[0049] Figure 5 This is a schematic diagram of the main cross-sectional structure of the fermentation tank of the present invention;

[0050] Figure 6 This is a schematic diagram of the three-dimensional structure of the push plug of the present invention;

[0051] Figure 7 This is a schematic diagram of the main cross-sectional structure of the cover body of the present invention;

[0052] Figure 8 This is a schematic diagram of the top view of the first gear ring of the present invention;

[0053] Figure 9 This is a schematic diagram of the top view of the second gear ring of the present invention;

[0054] Figure 10 It is a schematic diagram of the side sectional structure of the movable block of the present invention.

[0055] In the figure: 1. fermentation tank; 2. cover; 3. feed part; 4. discharge part; 5. air supply pipe; 6. exhaust channel; 7. water seal box; 8. collecting port; 9. push plug; 10. receiving groove; 11. first movable rod; 12. second movable rod; 13. through port; 14. stirring block; 15. first return spring; 16. connecting shaft; 17. first gear; 18. second gear; 19. first ring gear; 20. support cover; 21. second ring gear; 22. first magnetic block; 23. second magnetic block; 24. third gear; 25. motor; 27. movable block; 28. sealing plug; 29. ​​connecting groove; 30. second return spring; 31. support plate; 32. traction rope; 33. slider; 34. winding shaft; 35. torsion spring. DETAILED DESCRIPTION

[0056] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0057] See also Figures 1-10 The present invention provides the following technical solution: a biological organic milk fermentation device, comprising a fermentation tank 1, a cover 2, a feed part 3 and a discharge part 4, the cover 2 being detachably mounted above the fermentation tank 1, and a feed part 3 being provided on the side of the fermentation tank 1, and a discharge part 4 being provided below the fermentation tank 1 for feeding and discharging materials into and out of the fermentation tank 1.

[0058] Example 1:

[0059] The invention provides a technical solution, which discloses that a gas collecting mechanism is provided above the cover body 2 to collect the gas discharged from the fermentation tank 1 and at the same time prevent external gas from entering. A pushing plug 9 is provided inside the fermentation tank 1, and the radial outer side of the pushing plug 9 and the inner wall of the fermentation tank 1 are arranged to fit each other. The material in the fermentation tank 1 is squeezed out by the movement of the pushing plug 9 to prevent the material from sticking to the inner wall of the fermentation tank 1. A first movable rod 11 is passed through the middle of the pushing plug 9, and a second movable rod 12 is provided on the outer side of the first movable rod 11. A through opening 13 is provided inside the pushing plug 9, and the through opening 13 is nested with the first movable rod 11 and the second movable rod 12 respectively to scrape the material on the surface of the first movable rod 11 and the second movable rod 12. A stirring block 14 is provided inside the first movable rod 11 and the second movable rod 12, and the outer side of the stirring block 14 is designed with an inclined structure, and a first return spring 15 is fixed to the inner end of the stirring block 14, so that the pushing plug 9 can pass through the stirring block 14 when it moves downward. The first movable rod 11 and the second movable rod 12 are passed through, and a transmission mechanism is provided above the second movable rod 12. The second movable rod 12 is connected to the first movable rod 11 through the transmission mechanism. When the second movable rod 12 rotates with the push plug 9, the first movable rod 11 can be driven to rotate. A movement control mechanism is provided on the outside of the push plug 9 to control the movement and rotation of the push plug 9. A threaded connection is formed between the cover body 2 and the fermentation tank 1, and a receiving groove 10 is provided inside the cover body 2. The diameter of the receiving groove 10 is larger than the inner diameter of the fermentation tank 1, providing a rotation space for the push plug 9. The gas collecting mechanism includes an air supply pipe 5, an exhaust channel 6, a water seal box 7 and a collecting port 8. The air supply pipe 5 is provided on the outside of the cover body 2, and the exhaust channel 6 is provided inside the cover body 2. The air supply pipe 5 is connected to the interior of the fermentation tank 1 through the exhaust channel 6. The water seal box 7 is provided on the outside of the cover body 2. The end of the air supply pipe 5 is located inside the water seal box 7. The collecting port 8 is provided above the water seal box 7 to discharge the gas in the water seal box 7 to the outside.

[0060] During use, raw materials can be added to the fermentation tank 1 through the feeding part 3 for fermentation. During fermentation, the first movable rod 11 and the second movable rod 12 can be controlled to rotate by the rotation of the pushing plug 9, so that the stirring block 14 stirs the material in the fermentation tank 1. After the subsequent fermentation is completed, the material is squeezed out by the movement of the pushing plug 9 to avoid blockage of the material discharge and prevent it from sticking to the inner wall of the fermentation tank 1. During the fermentation process, the gas in the fermentation tank 1 can enter the air supply pipe 5 through the exhaust channel 6, and then enter the water seal box 7. After passing through the liquid in the water seal box 7, it is discharged from the collecting port 8 and collected at the collecting port 8. At the same time, the sealing effect in the fermentation tank 1 can be ensured. In order to avoid backflow of water in the air supply pipe 5, a one-way valve can be set on the air supply pipe 5, or the lowest point of the water seal box 7 can be set below the exhaust channel 6, so that the exhaust gas height of the air supply pipe 5 is lower than the exhaust channel 6.

[0061] Example 2:

[0062] On the basis of embodiment 1, a transmission mechanism is disclosed, which includes a connecting shaft 16, a first gear 17, a second gear 18 and a first gear ring 19. The connecting shaft 16 is fixed to the upper end of the first movable rod 11, and the upper end of the connecting shaft 16 is rotatably installed inside the cover body 2. The first gear 17 is fixed above the connecting shaft 16, and the first gear 17 is located inside the cover body 2. The second gear 18 is arranged between the outer side of the first gear 17 and the first gear 17 to form a meshing connection, and the second gear 18 and the cover body 2 form a rotational connection. The first gear ring 19 is arranged on the outer side of the second gear 18 and the second gear 18 to form a meshing connection, and the vertical center line of the first gear ring 19 coincides with the vertical center line of the push plug 9, and the first gear ring 19 and the cover body 2 form a rotational connection. The bottom of the first gear ring 19 is fixedly connected to the second movable rod 12. The diameter of the connecting shaft 16 is smaller than the diameter of the through-port 13. The height of the rod 11 is less than the height of the second movable rod 12, so that the fermentation gas can be discharged outward through the opening 13. The movement control mechanism includes a support cover 20, a second gear ring 21, a first magnetic block 22, a second magnetic block 23, a third gear 24, a motor 25 and an electric push rod. The support cover 20 is sleeved on the outer side of the cover body 2, the second gear ring 21 is rotatably mounted on the inside of the support cover 20, the first magnetic block 22 is fixed on the inside of the second gear ring 21, the second magnetic block 23 is fixed on the inside of the push plug 9, and the second magnetic block 23 and the first magnetic block 22 are arranged with opposite magnetic poles relative to each other, the third gear 24 is arranged on the outside of the second gear ring 21 and meshed with the second gear ring 21, the motor 25 is arranged above the support cover 20 and connected to the third gear 24 to control the rotation of the third gear 24, the electric push rod is fixed above the support cover 20 to control the movement of the support cover 20, and the upper end of the electric push rod is fixed above the cover body 2;

[0063] When the push plug 9 is controlled to rotate, the motor 25 can be started to drive the third gear 24 to rotate. The third gear 24 drives the second gear ring 21 to rotate by meshing with the second gear ring 21. The second gear ring 21 drives the first magnetic block 22 to move. The first magnetic block 22 synchronously drives the second magnetic block 23 to move by attracting the second magnetic block 23, so that the push plug 9 rotates. When the push plug 9 rotates, it will drive the second movable rod 12 to rotate. When the second movable rod 12 rotates, it will drive the first gear ring 19 to rotate. The first gear ring 19 drives the second gear 18 by meshing with the second gear 18. Rotate, the second gear 18 drives the connecting shaft 16 to rotate through the rotation of the first gear 17, so that the connecting shaft 16 drives the first movable rod 11 to rotate, and the rotation direction of the first movable rod 11 is opposite to the rotation direction of the second movable rod 12, thereby improving the uniformity of stirring. When the push plug 9 moves subsequently, the stirring block 14 can be compressed to move so that it can be squeezed into the interior of the first movable rod 11 and the second movable rod 12. When the push plug 9 is controlled to move downward, the support cover 20 can be controlled to move downward by the electric push rod, so that the first magnetic block 22 attracts the second magnetic block 23 to move downward, thereby driving the push plug 9 to move.

[0064] Example 3:

[0065] On the basis of embodiment 1, it is disclosed that an air pressure regulating mechanism is provided inside the cover body 2, and air is supplied to the fermentation tank 1 when the pushing plug 9 moves downward. The air pressure regulating mechanism includes a movable block 27, a sealing plug 28, a connecting groove 29, a second return spring 30, a support plate 31, a traction rope 32, a slider 33 and a buffer mechanism. The movable block 27 is provided inside the cover body 2 and between the cover body 2 to form an up and down sliding structure. The sealing plug 28 is fixed below the movable block 27 to close the connecting gap between the movable block 27 and the cover body 2. The connecting groove 29 is opened in the shape of an "L" inside the movable block 27. The second return spring 30 is provided below the sealing plug 28 to provide an upward thrust for the sealing plug 28. The support plate 31 is fixed inside the cover body 2, and the support plate 31 is located at the first The second return spring 30 provides support for it, and the traction rope 32 is arranged below the sealing plug 28 to provide downward pulling force for the sealing plug 28. The slider 33 passes through the support plate 31 and forms an up and down sliding structure between the support plate 31, and the slider 33 and the traction rope 32 are fixedly connected, and a sliding connection is formed between the slider 33 and the pushing plug 9. A buffer mechanism is arranged inside the sealing plug 28 to provide buffering for the movement of the traction rope 32. The buffer mechanism includes a winding shaft 34 and a torsion spring 35. The winding shaft 34 is rotatably mounted inside the sealing plug 28, and the upper end of the traction rope 32 is wound around the surface of the winding shaft 34. The torsion spring 35 is mounted at the end of the winding shaft 34 to provide a rotational reset force for the winding shaft 34, and the elastic force of the torsion spring 35 is greater than the elastic force of the second return spring 30;

[0066] During the fermentation process, the pushing plug 9 is located above the fermentation tank 1. At this time, the connecting groove 29 on the movable block 27 is closed. When the pushing plug 9 moves downward, the sealing plug 28 and the movable block 27 can be pulled downward by the traction rope 32 to open the connecting groove 29. At the same time, the sealing plug 28 moves downward to block the exhaust channel 6 to avoid inhaling the gas in the air supply pipe 5, so that external gas can enter the interior of the fermentation tank 1 through the connecting groove 29, so that the air pressure in the fermentation tank 1 can remain stable after the material is extruded, ensuring the normal extrusion of the material. When the pushing plug 9 moves upward to reset, the movable block 27 moves upward under the action of the second reset spring 30 to close the connecting groove 29, and the exhaust channel 6 is opened, and subsequent fermentation processing can be carried out.

[0067] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0068] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A biological organic milk fermentation device, comprising a fermentation tank (1), a cover (2), a feed portion (3) and a discharge portion (4), wherein the cover (2) is detachably mounted above the fermentation tank (1), the feed portion (3) is provided on the side of the fermentation tank (1), and the discharge portion (4) is provided below the fermentation tank (1) for feeding materials into and out of the fermentation tank (1); Its characteristics are: A gas collecting mechanism is provided above the cover (2) to collect the gas discharged from the fermentation tank (1) and prevent the entry of external gas. A push plug (9) is provided inside the fermentation tank (1), and the radial outer side of the push plug (9) and the inner wall of the fermentation tank (1) are arranged to fit each other. The material in the fermentation tank (1) is squeezed out by the movement of the push plug (9) to prevent the material from adhering to the inner wall of the fermentation tank (1). A first movable rod (11) is passed through the middle of the push plug (9), and a second movable rod (12) is provided on the outer side of the first movable rod (11). A through port (13) is provided inside the push plug (9), and the through port (13) is nested with the first movable rod (11) and the second movable rod (12) respectively, so that the first movable rod (11) is connected to the second movable rod (12). ) and the second movable rod (12) for scraping the material on the surface of the first movable rod (11) and the second movable rod (12), a stirring block (14) is provided inside the first movable rod (11) and the second movable rod (12), and the outer side of the stirring block (14) is designed with an inclined structure, and a first return spring (15) is fixed to the inner end of the stirring block (14), so that the push plug (9) can pass through the first movable rod (11) and the second movable rod (12) when it moves downward, a transmission mechanism is provided above the second movable rod (12), the second movable rod (12) is connected to the first movable rod (11) through the transmission mechanism, and the second movable rod (12) can drive the first movable rod (11) to rotate when it rotates with the push plug (9), and a movement control mechanism is provided on the outer side of the push plug (9) to control the movement and rotation of the push plug (9); The gas collection mechanism comprises an air supply pipe (5), an exhaust channel (6), a water seal box (7) and a collection port (8); An air pressure regulating mechanism is provided inside the cover body (2) to supply air to the fermentation tank (1) when the push plug (9) moves downward; The air pressure regulating mechanism comprises a movable block (27), a sealing plug (28), a communicating groove (29), a second return spring (30), a support plate (31), a traction rope (32), a slider (33) and a buffer mechanism; A movable block (27) is arranged inside the cover body (2) and between the cover body (2) to form an up and down sliding structure; A sealing plug (28) is fixed below the movable block (27) to seal the connection gap between the movable block (27) and the cover body (2); A communication groove (29) is formed in an L-shape and is provided inside the movable block (27); a second return spring (30), disposed below the sealing plug (28) to provide an upward thrust for the sealing plug (28); A support plate (31) is fixed inside the cover body (2), and the support plate (31) is located below the second return spring (30) to provide support for it; A traction rope (32) is arranged below the sealing plug (28) to provide a downward pulling force for the sealing plug (28); The slider (33) passes through the support plate (31) and forms an up-and-down sliding structure between the support plates (31), and the slider (33) and the traction rope (32) are fixedly connected, and the slider (33) and the push plug (9) form a sliding connection; A buffer mechanism, disposed inside the sealing plug (28) to provide a buffer for the movement of the traction rope (32); The buffer mechanism includes a reel (34) and a torsion spring (35); A reel (34) is rotatably mounted inside the sealing plug (28), and the upper end of the traction rope (32) is wound around the surface of the reel (34); A torsion spring (35) is installed at the end of the winding shaft (34) to provide a rotational reset force for the winding shaft (34), and the elastic force of the torsion spring (35) is greater than the elastic force of the second reset spring (30).

2. The bio-organic milk fermentation device according to claim 1, characterized in that: The cover body (2) and the fermentation tank (1) are threadedly connected, and a receiving groove (10) is provided inside the cover body (2). The diameter of the receiving groove (10) is larger than the inner diameter of the fermentation tank (1), providing a rotation space for the push plug (9).

3. The bio-organic milk fermentation device according to claim 1, characterized in that: The air supply pipe (5) is arranged on the outside of the cover body (2); An exhaust passage (6) is provided inside the cover (2), and the air supply pipe (5) is connected to the interior of the fermentation tank (1) through the exhaust passage (6); A water seal box (7) is arranged on the outside of the cover body (2), and the end of the air supply pipe (5) is located inside the water seal box (7); The collecting port (8) is arranged above the water seal box (7) to discharge the gas in the water seal box (7) to the outside.

4. The bio-organic milk fermentation device according to claim 1, characterized in that: The transmission mechanism comprises a connecting shaft (16), a first gear (17), a second gear (18) and a first ring gear (19); A connecting shaft (16) is fixed to the upper end of the first movable rod (11), and the upper end of the connecting shaft (16) is rotatably mounted inside the cover body (2); A first gear (17) is fixed above the connecting shaft (16), and the first gear (17) is located inside the cover body (2); A second gear (18) is arranged on the outside of the first gear (17) and is meshed with the first gear (17), and a rotational connection is formed between the second gear (18) and the cover body (2); The first gear ring (19) is arranged on the outside of the second gear (18) and is meshed with the second gear (18), and the vertical center line of the first gear ring (19) and the vertical center line of the push plug (9) are arranged to coincide with each other, and the first gear ring (19) and the cover body (2) are connected in rotation, and the bottom of the first gear ring (19) is fixedly connected to the second movable rod (12).

5. The bio-organic milk fermentation device according to claim 4, characterized in that: The diameter of the connecting shaft (16) is smaller than the diameter of the through-port (13), and the height of the first movable rod (11) is smaller than the height of the second movable rod (12), so that the fermentation gas can be discharged outward through the through-port (13).

6. A bio-organic milk fermentation device according to claim 1 or 4, characterized in that: The movement control mechanism comprises a support cover (20), a second ring gear (21), a first magnetic block (22), a second magnetic block (23), a third gear (24), a motor (25) and an electric push rod; A support cover (20) is sleeved on the outer side of the cover body (2); A second ring gear (21) is rotatably mounted inside the support cover (20); A first magnetic block (22) is fixed inside the second gear ring (21); The second magnetic block (23) is fixed inside the push plug (9), and the second magnetic block (23) and the first magnetic block (22) are arranged with opposite magnetic poles. A third gear (24) is arranged on the outside of the second gear ring (21) and is meshed with the second gear ring (21); a motor (25) disposed above the support cover (20) and connected to the third gear (24) to control the rotation of the third gear (24); An electric push rod is fixed above the support cover (20) to control the movement of the support cover (20), and an upper end of the electric push rod is fixed above the cover body (2).

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