Fermentation tank for lactic acid bacteria beverage production

Abstract

The utility model relates to the technical field of food processing, in particular to a fermentation tank for lactic acid bacteria beverage production, which comprises a fermentation tank, a first motor and a second motor are mounted at the top of the fermentation tank, an output shaft of the first motor is connected with a first gear, a sleeve is rotatably connected in the fermentation tank, and the top of the sleeve penetrates through the fermentation tank and is connected with a second gear. An output shaft of the second motor is connected with a connecting rod, the sleeve is rotationally connected with a plurality of stirring shafts, bevel gear sets are arranged between the stirring shafts and the connecting rod, stirring plates are arranged on the stirring shafts, and reversing assemblies are arranged at the joints of the stirring shafts and the stirring plates and used for adjusting the rotating directions of the stirring plates. Through the cooperation of the second motor driving the connecting rod and the bevel gear set and the dual rotation design of the stirring shaft, the combination of the vertical axial rotation and the transverse axial rotation of the stirring shaft is realized, so that the generation of vortexes in the stirring process is effectively reduced, the stirring is more uniform, and the purpose of good stirring effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to food processing technical field especially, relates to a fermentation tank for lactic acid bacteria beverage production. BACKGROUND

[0002] Lactic acid bacteria are a kind of probiotics widely existing in nature, they convert sugar into lactic acid through anaerobic respiration, and this process does not produce oxygen, is typical anaerobic bacteria. Lactic acid bacteria not only help maintain intestinal health, but also enhance immunity, promote digestion, etc. Based on these characteristics of lactic acid bacteria, lactic acid bacteria beverages emerged as the times require. Lactic acid bacteria beverage is a drink made of milk or dairy products through lactic acid bacteria fermentation, containing rich active lactic acid bacteria, having multiple functions such as regulating intestinal flora balance and enhancing intestinal health, and is deeply loved by consumers.

[0003] The fermentation principle of lactic acid bacteria is based on its anaerobic respiration characteristics, through specific fermentation conditions such as temperature, humidity and fermentation time, to promote lactic acid bacteria to reproduce in large quantities and produce lactic acid, so that the pH value of milk or dairy products is reduced, forming a unique sour taste and flavor. At present, there are many lactic acid bacteria fermentation devices applied in the production of lactic acid bacteria beverages. The lactic acid bacteria fermentation device for lactic acid bacteria beverage production with the publication number CN219930055U realizes uniform mixing in the fermentation process through the internal stirring system, the device is designed with a unique liquid container, which can transport the sediment upward, aiming to reduce the accumulation of sediment, improve the fermentation efficiency and product quality.

[0004] But the above-mentioned patent device is easy to produce vortex in the actual stirring process, leading to uneven stirring, and the sediment is still easy to accumulate at the bottom of the fermentation tank, affecting the fermentation effect and the quality of the product. Secondly, although the design of the liquid container can transport the sediment upward, it cannot actively collect the sediment, but only rely on the sediment flowing into the liquid container with the liquid, this passive collection method is low in efficiency, and the repeated stirring effect of the sediment is not good, which is easy to cause the re-deposition of the sediment and uneven fermentation. SUMMARY

[0005] In order to overcome the shortcomings of uneven stirring and low efficiency of sediment treatment, the utility model provides a fermentation tank with good stirring effect for lactic acid bacteria beverage production.

[0006] The utility model provides a kind of fermentation tank for lactic acid bacteria beverage production, including fermentation tank, first motor and second motor are installed on the top of the fermentation tank, the output shaft of the first motor is connected with first gear, sleeve is rotatably connected in the fermentation tank, the sleeve top passes through the fermentation tank and is connected with second gear, the second gear is with the output shaft of the second motor common center, the output shaft of the second motor is connected with connecting rod, the connecting rod is in sleeve, the sleeve is rotatably connected with multiple transverse stirring shafts, be provided with bevel gear set between the stirring shaft and the connecting rod, the connecting rod is driven for the stirring shaft by the bevel gear set, stirring plate is provided on the stirring shaft, the junction of the stirring shaft and the stirring plate is provided with reversing assembly, and the reversing assembly is used to adjust the direction of rotation of the stirring plate.

[0007] Optionally, the reversing assembly includes a third gear, the stirring shaft is divided into two parts, the third gear is connected to one part connected with the bevel gear set, a gear ring is connected to the stirring plate, and the gear ring is rotatably connected to the sleeve, a reversing gear is rotatably connected to the sleeve, and the reversing gear is engaged with the gear ring and the third gear, respectively.

[0008] Optionally, a plurality of heating plates are connected to the stirring shaft.

[0009] Optionally, a protective cover is connected to the top of the fermentation tank, and the protective cover covers the first gear and the second gear.

[0010] Optionally, a sealing cover is connected to the reversing gear, and the sealing cover is rotatably connected to the stirring shaft.

[0011] Optionally, a sealing gasket is connected to the stirring shaft, and the sealing gasket is in contact with the sleeve.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] 1. By the cooperation of the second motor, the connecting rod and the bevel gear set, and the double rotation design of the stirring shaft, the vertical axial rotation and the horizontal axial rotation of the stirring shaft are combined, which effectively reduces the generation of vortex during stirring, makes the stirring more uniform, and achieves the purpose of good stirring effect.

[0014] 2. By the contact between the bottom of the stirring plate and the bottom of the fermentation tank, and the function of the reversing assembly to adjust the rotation direction of the stirring plate, the sediment on the bottom of the fermentation tank is effectively scraped and stirred, the accumulation of sediment is reduced, and the fermentation efficiency and product quality are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model.

[0016] Figure 2 It is the three-dimensional structure schematic view of sleeve and connecting rod of the utility model.

[0017] Figure 3 It is the three-dimensional structure schematic view of first gear and bevel gear set of the utility model.

[0018] Figure 4 It is the three-dimensional structure schematic view of gear ring and second gear of the utility model.

[0019] Mark explanation: 1: fermenter, 2: first motor, 3: first gear, 4: second gear, 5: sleeve, 6: second motor, 7: connecting rod, 8: bevel gear set, 9: stirring shaft, 10: stirring board, 11: gear ring, 12: third gear, 13: reversing gear, 14: heating plate, 15: protective cover, 16: sealing cover, 17: sealing pad. Specific implementation

[0020] The following is only the preferred embodiment of the utility model, and does not limit the protection scope of the utility model.

[0021] Embodiment: a kind of lactic acid bacteria beverage production's fermenter, as shown in Figures 1-4 It includes fermenter 1, first motor 2, first gear 3, second gear 4, sleeve 5, second motor 6, connecting rod 7, bevel gear set 8, stirring shaft 9, stirring board 10 and reversing assembly, the top of fermenter 1 is equipped with first motor 2 and second motor 6, the output shaft of second motor 6 is coaxial with the central axis of fermenter 1, the output shaft of first motor 2 is connected with first gear 3, sleeve 5 is rotatably connected in fermenter 1, sleeve 5 top passes through fermenter 1 and is connected with second gear 4, second gear 4 and the output shaft of second motor 6 are concentric, but not contact, the output shaft of second motor 6 is connected with connecting rod 7, connecting rod 7 is located in sleeve 5, connecting rod 7 and sleeve 5 do not contact, four stirring shafts 9 are rotatably connected in the middle and bottom of sleeve 5, every two stirring shafts 9 are distributed in support, bevel gear set 8 is arranged between stirring shaft 9 and connecting rod 7, connecting rod 7 is driven for stirring shaft 9 by bevel gear set 8, stirring board 10 is arranged on stirring shaft 9, the bottom of bottom stirring board 10 and the bottom of fermenter 1 contact, reversing assembly is arranged at the junction of stirring shaft 9 and stirring board 10, and reversing assembly is used to adjust the rotation direction of stirring board 10.

[0022] As shown in Figure 4 Reversing assembly includes gear ring 11, third gear 12 and reversing gear 13, stirring shaft 9 is divided into two parts, and third gear 12 is connected to the part connected with bevel gear set 8, gear ring 11 is connected to stirring board 10, and gear ring 11 is rotatably connected to sleeve 5, reversing gear 13 is rotatably connected to sleeve 5, and reversing gear 13 is engaged with gear ring 11 and third gear 12 respectively.

[0023] The fermentation tank 1 is provided with a feeding pipe at the top and a discharge port at the bottom. The staff introduces the raw materials to be fermented into the fermentation tank 1 from the feeding pipe, and then starts the first motor 2 and the second motor 6. The first motor 2 drives the first gear 3 to rotate, and the second gear 4 is engaged with the first gear 3, so that the second gear 4 and the sleeve 5 fixedly connected with the second gear 4 rotate. The sleeve 5 drives the stirring shaft 9 and the stirring plate 10 to rotate vertically and axially, stirs the raw materials in the fermentation tank 1, and drives the connecting rod 7 to rotate through the bevel gear set 8. The connecting rod 7 drives the stirring shaft 9 and the stirring plate 10 to rotate transversely and axially, thereby reducing the generation of vortex. At the same time, the lower stirring plate 10 contacts the bottom of the fermentation tank 1 during rotation and scrapes off the precipitate accumulated at the bottom. The double-layer stirring plate 10 can fully stir the raw materials and the precipitate, so that the raw materials are fully utilized. After the stirring is completed, the first motor 2 and the second motor 6 are turned off. After the fermentation is completed, the discharge port is opened, and the lactic acid bacteria are collected.

[0024] During the rotation of the stirring shaft 9, one of the two mutually symmetrical stirring shafts 9 is provided with a third gear 12. The third gear 12 drives the gear ring 11 through the reversing gear 13, thereby changing the rotation direction of the stirring plate 10. From the axial direction of the stirring shaft 9, the rotation directions of the stirring plates 10 before and after the sleeve 5 are consistent. During the rotation of the sleeve 5, the rotation directions of the two stirring plates 10 at the same position are opposite, which further disturbs the raw materials in the fermentation tank 1 and reduces the generation of vortex.

[0025] As shown in Figure 3 and Figure 4 , it further comprises a heating plate 14, and the stirring shaft 9 is connected with a plurality of heating plates 14.

[0026] The side wall of the fermentation tank 1 can heat. During the stirring process, the heating plate 14 is turned on, thereby increasing the heating position, rapidly increasing the temperature, and making the heating of the raw materials more uniform, reducing the temperature difference between the raw materials, and turning off the heating function of the fermentation tank 1 and the heating plate 14 after reaching the target temperature.

[0027] As shown in Figure 1 and Figure 2 , it further comprises a protective cover 15, and the protective cover 15 is connected to the top of the fermentation tank 1. The protective cover 15 covers the first gear 3 and the second gear 4, and supports the first motor 2 and the second motor 6.

[0028] The protective cover 15 protects the first gear 3 and the second gear 4, reduces external interference, and helps to maintain the stability of the gear transmission.

[0029] As shown in Figure 2 , it further comprises a sealing cover 16, and the sealing cover 16 is connected to the reversing gear 13. The sealing cover 16 is rotatably connected to the stirring shaft 9, and the sealing cover 16 is sealingly connected to the gear ring 11.

[0030] The sealing cover 16 maintains the working environment between the gear ring 11, the third gear 12 and the reversing gear 13.

[0031] As shown in the drawings, the sealing cover 16 is arranged on the reversing gear 13. Figure 4 The sealing gasket 17 is arranged on the stirring shaft 9 and is in contact with the sleeve 5.

[0032] The sealing gasket 17 increases the sealing between the rotating shaft and the sleeve 5, reduces the fermentation raw materials into the sleeve 5 and reduces the loss of the fermentation raw materials.

[0033] At the top of the fermentation tank 1, the first motor 2 drives the first gear 3 to rotate, the first gear 3 is engaged with the second gear 4, the second gear 4 is connected to the top of the sleeve 5, the sleeve 5 is internally provided with the connecting rod 7 which is driven by the second motor 6 but is not in contact with the sleeve 5. The connecting rod 7 transmits power through the bevel gear set 8 and drives the two symmetrical stirring shafts 9 to rotate. The stirring shaft 9 is provided with the stirring plate 10, and the bottom stirring plate 10 is in close contact with the bottom of the fermentation tank 1. In particular, the stirring plate 10 is provided with the reversing assembly between the stirring plate 10 and the stirring shaft 9, including the gear ring 11, the third gear 12 and the reversing gear 13, which adjusts the rotating direction of the stirring plate 10 through engagement, so that the symmetrical stirring plates 10 form reverse rotation at the same position, effectively disrupt the raw materials and reduce the vortex. At the same time, the stirring plate 10 is also provided with the heating plate 14 which can be turned on during stirring to ensure uniform heating of the raw materials. The fermentation tank 1 is provided with the protective cover 15 at the top, which wraps the gears and supports the motor to ensure stable transmission. In addition, the sealing cover 16 on the reversing gear 13 and the sealing gasket 17 on the stirring shaft 9 jointly enhance the sealing between the rotating parts and the sleeve 5, and reduce the loss of raw materials.

[0034] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A fermenter for producing a lactic acid bacteria beverage, characterized by comprising: The utility model relates to a fermentation tank, which comprises a fermentation tank (1) provided with a first motor (2) and a second motor (6) at the top, a first gear (3) connected to the output shaft of the first motor (2), a sleeve (5) rotatably connected in the fermentation tank (1), the sleeve (5) penetrating through the fermentation tank (1) at the top and connected to a second gear (4), the second gear (4) and the output shaft of the second motor (6) sharing the same center, a connecting rod (7) connected to the output shaft of the second motor (6), the connecting rod (7) located in the sleeve (5), a plurality of transverse stirring shafts (9) rotatably connected to the sleeve (5), a bevel gear set (8) provided between the connecting rod (7) and the stirring shaft (9), the connecting rod (7) driving the stirring shaft (9) through the bevel gear set (8), a stirring plate (10) provided on the stirring shaft (9), a reversing assembly provided at the connection between the stirring shaft (9) and the stirring plate (10), the reversing assembly being used for adjusting the direction of rotation of the stirring plate (10).

2. The fermenter for producing a lactic acid bacteria beverage according to claim 1, characterized by The reversing assembly comprises a third gear (12), the stirring shaft (9) is divided into two parts, the third gear (12) is connected to one part connected to the bevel gear set (8), a gear ring (11) is connected to the stirring plate (10), and the gear ring (11) is rotatably connected to the sleeve (5), a reversing gear (13) is rotatably connected to the sleeve (5), and the reversing gear (13) is engaged with the gear ring (11) and the third gear (12) respectively.

3. The fermenter for producing a lactic acid bacteria beverage according to claim 2, characterized by A plurality of heating plates (14) are connected to the stirring shaft (9).

4. The fermenter for producing a lactic acid bacteria beverage according to claim 3, characterized by A protective cover (15) is connected to the top of the fermentation tank (1), and the protective cover (15) covers the first gear (3) and the second gear (4).

5. The fermenter for producing a lactic acid bacteria beverage according to claim 4, characterized by A sealing cover (16) is connected to the reversing gear (13), and the sealing cover (16) is rotatably connected to the stirring shaft (9).

6. The fermenter for producing a lactic acid bacteria beverage according to claim 5, characterized by A sealing gasket (17) is connected to the stirring shaft (9), and the sealing gasket (17) is in contact with the sleeve (5).

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