A fermentation device for producing lactic acid bacteria

Abstract

The utility model relates to the technical field of lactic acid bacteria fermentation, and proposes a fermentation device for lactic acid bacteria production, including a fermentation tank with an internal space; a shaft member is arranged in the internal space; a stirring blade is rotatably arranged on the shaft member; there are a number of lifting blocks, all of which are lifted and lowered in the internal space, two lifting blocks form a group, and there is a group of lifting blocks between every two adjacent stirring blades, and the two lifting blocks in a group are close to or away from each other after lifting; there are a number of sliding members, all of which are slidably arranged in the internal space, and the sliding members are away from or close to the shaft member after sliding, and the two ends of the sliding members abut against two adjacent stirring blades; there are a number of connecting rods, which are divided into a number of groups, and each group of connecting rods has two connecting rods, and one end of the two connecting rods in a group is respectively hinged on the two lifting blocks in a group, and the other end is hinged on a sliding member. Through the above technical scheme, the problem that the blades in the fermentation tank are not easy to clean in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of lactic acid bacteria fermentation, and specifically relates to a fermentation device for lactic acid bacteria production. Background Art

[0002] Lactic acid fermentation is a biochemical process in which lactic acid bacteria can grow and proliferate under suitable environmental conditions and carry out metabolic activities, and metabolize carbohydrates to produce lactic acid through anaerobic respiration. This process is widely used in many fields such as food industry, agriculture, and medicine to produce products with specific flavors, textures, and health benefits. In actual production, after lactic acid fermentation, some of the lactic acid fermentation liquid will remain in the fermentation tank and on the stirring blades.

[0003] In the prior art, the residue on the inner wall of the lactic acid bacteria fermentation tank can be scraped off by a scraper or a brush, but the residue on the stirring blade cannot be scraped off. Even if water is added to the fermentation tank for stirring, the blade cannot be cleaned after adding water for stirring because the lactic acid bacteria fermentation liquid has a certain viscosity. Utility Model Content

[0004] The utility model provides a fermentation device for lactic acid bacteria production, which solves the problem that paddles in a fermentation tank are difficult to clean in the related art.

[0005] The technical solution of the utility model is as follows:

[0006] A fermentation device for producing lactic acid bacteria, comprising:

[0007] a fermentation tank having an interior space;

[0008] A shaft member, disposed in the internal space;

[0009] A plurality of stirring blades are rotatably arranged on the shaft, and the stirring blades are arranged at intervals along the axis direction of the shaft;

[0010] There are a plurality of lifting blocks, all of which are lifted and arranged in the internal space, two of which form a group, and there is a group of lifting blocks between every two adjacent stirring blades, and the two lifting blocks in a group move closer to or farther away from each other after being lifted;

[0011] There are a plurality of sliding members, all of which are slidably disposed in the internal space, and after sliding, the sliding members move away from or close to the shaft member, and two ends of the plurality of sliding members abut against two adjacent stirring blades;

[0012] There are several connecting rods, which are divided into several groups. Each group of connecting rods has two connecting rods. One end of the two connecting rods in one group is respectively hinged on the two lifting blocks in one group, and the other end is hinged on one sliding member.

[0013] Optionally, the connecting rods in the same group are hingedly connected, and the hinge point is close to the shaft member, and further comprises:

[0014] There are several sliding blocks, all of which are slidably arranged on the sliding member. The connecting rod is hinged to the sliding member through the sliding blocks, and one sliding block is hinged to one connecting rod.

[0015] Optionally, it also includes:

[0016] The cleaning part is arranged on the sliding member, and the upper and lower ends of the cleaning part are respectively abutted on two adjacent stirring blades. After the sliding member drives the cleaning part to slide, the cleaning part approaches or moves away from the shaft.

[0017] Optionally, it also includes:

[0018] There are a plurality of rotating members, all of which are rotatably arranged in the internal space, the rotating members are arranged at intervals along the axis of the shaft member, and the plurality of rotating members are respectively located between two adjacent stirring blades or between the stirring blades and the inner wall of the fermentation tank, the rotating axis of the rotating member coincides with the axis of the shaft member, the lifting block is lifted and lowered on the rotating member, and the lifting block is threadedly connected to the shaft member;

[0019] A driving member, disposed on the fermentation tank, the driving member having an output end, and the driving member is used to drive the rotating member to rotate;

[0020] A transmission rod has one end arranged at the driving end of the driving member and the other end passing through a plurality of the rotating members. The transmission rod is not colinear with the axis of the shaft member, and the driving member drives the rotating member to rotate through the transmission rod.

[0021] Optionally, it also includes:

[0022] The first elastic member has two ends respectively arranged between a group of the lifting blocks, and the first elastic member is used to provide force for threaded connection between the two lifting blocks and the shaft member.

[0023] Optionally, it also includes:

[0024] A first clamping member, disposed on the rotating member;

[0025] The second clamping member is lifted and arranged on the stirring blade, and the second clamping member is clamped with the first clamping member after rising.

[0026] Optionally, the cleaning portion has a through hole, and further comprises:

[0027] There are several crushing rollers which are arranged in the through hole to rotate at intervals.

[0028] Optionally, the sliding member has a groove, the sliding block is slidably disposed in the groove, and after the sliding member approaches the rotating member, the groove and the rotating member form a closed space.

[0029] Optionally, it also includes:

[0030] A first telescopic member is arranged on the stirring blade, the first telescopic member is located in the rotating member, and the second clamping member is arranged on the stirring blade by being lifted and lowered by the first telescopic member;

[0031] The second elastic member has two ends respectively arranged on the telescopic end of the first telescopic member and the second clamping member, and the second elastic member is used to provide the first clamping member with a force to clamp the first clamping member.

[0032] The working principle and beneficial effects of the utility model are:

[0033] In the utility model, the fermentation tank is provided with an internal space, and the lactic acid bacteria fermentation liquid is fermented in the internal space, the stirring blade can rotate around the shaft member to stir the lactic acid bacteria fermentation liquid in the internal space, the lifting block can be lifted and lowered on the shaft member, and a group of lifting blocks is provided between every two stirring blades or between the stirring blades and the top and bottom of the fermentation tank, and a group of lifting blocks has two lifting blocks, one of the two lifting blocks rises and the other falls, or one falls and the other rises, and the two lifting blocks can approach each other or move away from each other, and the sliding member can slide in the internal space and is located between the two stirring blades or between the stirring blades and the top and bottom of the fermentation tank, and the two ends of the sliding member are respectively abutted against the two surfaces of the two stirring blades that are close to each other, and the sliding member moves close to or away from the shaft member after sliding in the internal space, and the sliding member can scrape off the lactic acid bacteria fermentation liquid adhered to the two surfaces of the two adjacent stirring blades that are close to each other during the sliding process to prevent the lactic acid bacteria fermentation liquid from accumulating on the stirring blades and affecting subsequent use. Two connecting rods form a group, one connecting rod and one lifting block correspond to each other, one lifting block in one group is hingedly provided with a connecting rod corresponding to one of the groups, and the other end of each connecting rod is hingedly provided on a sliding member, and the sliding member can slide radially along the shaft member in the internal space by lifting and lowering the lifting block. The sliding member can slide radially along the shaft member relative to the stirring blade through the lifting block and the connecting rod, so as to scrape off the lactic acid bacteria fermentation liquid remaining on the stirring blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The preferred implementation modes will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present utility model.

[0035] Figure 1 It is a schematic diagram of the structure of the utility model;

[0036] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0037] Figure 3 This is a cross-sectional view of the internal structure of the utility model;

[0038] Figure 4 For this utility model Figure 3 The enlarged structural diagram at B in the middle;

[0039] Figure 5 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0040] In the figure: 100, fermentation tank, 110, internal space, 200, shaft, 300, stirring blade, 210, lifting block, 220, sliding member, 230, connecting rod, 240, sliding block, 250, cleaning part, 400, rotating member, 500, driving member, 600, transmission rod, 260, first elastic member, 270, first clamping member, 280, second clamping member, 251, through hole, 252, crushing roller, 221, groove, 281, first telescopic member, 282, second elastic member. DETAILED DESCRIPTION

[0041] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0042] In order to simplify the drawings, only the parts related to the utility model are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically shown, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0043] In this article, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0044] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0045] Reference Figure 1~Figure 5 The utility model proposes a fermentation device for lactic acid bacteria production, including a fermentation tank 100 with an internal space 110; a shaft 200 is arranged in the internal space 110; a plurality of stirring blades 300 are rotatably arranged on the shaft 200, and the plurality of stirring blades 300 are arranged at intervals along the axis direction of the shaft 200; a plurality of lifting blocks 210 are all lifted and arranged in the internal space 110, two lifting blocks 210 form a group, and there is a group of lifting blocks 210 between every two adjacent stirring blades 300, and the two lifting blocks in a group are arranged at intervals along the axis direction of the shaft 200. The lowering blocks 210 move closer to or farther away from each other after being lifted or lowered; there are a plurality of sliding members 220, all of which are slidably arranged in the internal space 110. The sliding members 220 move away from or closer to the shaft member 200 after sliding, and both ends of the sliding members 220 abut against two adjacent stirring blades 300; there are a plurality of connecting rods 230, which are divided into a plurality of groups, and each group of connecting rods 230 has two connecting rods 230. One end of the two connecting rods 230 in a group is respectively hinged on the two lifting blocks 210 in a group, and the other end is hinged on a sliding member 220.

[0046] In this embodiment, the fermentation tank 100 has an internal space 110, and the lactic acid bacteria fermentation liquid is fermented in the internal space 110. The stirring blade 300 can rotate around the shaft 200 to stir the lactic acid bacteria fermentation liquid in the internal space 110. The lifting block 210 can be lifted and lowered on the shaft 200. There is a group of lifting blocks 210 between every two stirring blades 300 or between the stirring blades 300 and the top and bottom of the fermentation tank 100. A group of lifting blocks 210 has two, and one of the two lifting blocks 210 rises and the other falls, or one falls and the other rises, and the two lifting blocks 210 can be close to each other. The sliding member 220 can slide in the internal space 110, located between the two stirring blades 300 or between the stirring blades 300 and the top and bottom of the fermentation tank 100, and the two ends of the sliding member 220 are respectively abutted on the two surfaces of the two stirring blades 300 close to each other. After the sliding member 220 slides in the internal space 110, it approaches or moves away from the shaft member 200. During the sliding process, the sliding member 220 can scrape the lactic acid bacteria fermentation liquid adhered to the two surfaces of the two adjacent stirring blades 300 close to each other, so as to prevent the lactic acid bacteria fermentation liquid from accumulating on the stirring blades 300 and affecting the subsequent use. Two connecting rods 230 form a group, and one group of connecting rods 230 and one group of lifting blocks 210 correspond to each other. The lifting blocks 210 in one group are hingedly provided with a connecting rod 230 corresponding to one group, and the other end of the connecting rod 230 is hingedly provided on the sliding member 220. The lifting and lowering of the lifting block 210 can make the sliding member 220 slide radially along the shaft member 200 in the internal space 110. The lifting block 210 and the connecting rod 230 enable the sliding member 220 to slide in the radial direction of the shaft member 200 relative to the stirring blade 300 , thereby scraping off the lactic acid bacteria fermentation liquid remaining on the stirring blade 300 .

[0047] Furthermore, the connecting rods 230 of the same group are hingedly connected, and the hinge point is close to the shaft 200, and also include a plurality of sliding blocks 240, all of which are slidably set on the sliding member 220. The connecting rods 230 are hinged on the sliding member 220 through the sliding blocks 240, and one sliding block 240 is hinged to one connecting rod 230.

[0048] In this embodiment, the connecting rods 230 of the same group are hingedly connected to each other, and the hinge point of the connecting rod 230 is equidistant from the two lifting blocks 210. The other end of the connecting rod 230 is hingedly connected through the sliding block 240 and is slidably set on the sliding member 220. The sliding direction of the sliding block 240 is parallel to the axial direction of the shaft 200. When the lifting blocks 210 approach or move away from each other, the two connecting rods 230 pull the sliding member 220 to slide in the direction away from or close to the shaft 200. The two connecting rods 230 are hingedly connected, and the hinge point is close to the shaft 200. This allows the lifting block 210 to move a small distance along the shaft 200 while the sliding member 220 can achieve a large distance displacement, saving space near the shaft 200.

[0049] Furthermore, the cleaning part 250 is disposed on the sliding member 220 , and the upper and lower ends of the cleaning part 250 are respectively abutted against two adjacent stirring blades 300 . After the sliding member 220 drives the cleaning part 250 to slide, the cleaning part 250 approaches or moves away from the shaft 200 .

[0050] In this embodiment, the upper and lower ends of the cleaning part 250 also abut against the two surfaces of two adjacent stirring blades 300 that are close to each other. During the sliding process of the sliding member 220, the cleaning part 250 can also clean the lactic acid bacteria fermentation liquid remaining on the stirring blades 300. After the sliding member 220 slides in the direction away from the shaft 200, the cleaning part 250 can abut against the inside of the fermentation tank 100 to clean the inner wall of the fermentation tank 100.

[0051] Furthermore, it also includes a plurality of rotating members 400, all of which are rotatably arranged in the internal space 110, the rotating members 400 are arranged at intervals along the axis of the shaft member 200, and the plurality of rotating members 400 are respectively located between two adjacent stirring blades 300 or between the stirring blades 300 and the inner wall of the fermentation tank 100, the rotation axis of the rotating member 400 coincides with the axis of the shaft member 200, the lifting block 210 is lifted and set on the rotating member 400, and the lifting block 210 is threadedly connected to the shaft member 200; the driving member 500 is arranged on the fermentation tank 100, the driving member 500 has an output end, and the driving member 500 is used to drive the rotating member 400 to rotate; one end of the transmission rod 600 is arranged at the driving end of the driving member 500, and the other end passes through the plurality of rotating members 400, the transmission rod 600 is not colinear with the axis of the shaft member 200, and the driving member 500 drives the rotating member 400 to rotate through the transmission rod 600.

[0052] In this embodiment, the rotating member 400 is rotatably arranged on the shaft member 200, and the rotation axis of the rotating member 400 coincides with the axial direction of the shaft member 200. Each group of lifting blocks 210 corresponds to one rotating member 400, and the lifting blocks 210 are located inside the rotating member 400, which can effectively prevent the lactic acid bacteria fermentation liquid from sticking to the lifting blocks 210. The driving member 500 can drive the rotating member 400 to rotate, and the rotating member 400 drives the lifting blocks 210 to rotate. The two lifting blocks 210 are connected by two sections of threads with opposite spiral directions on the shaft member 200 to achieve the lifting and lowering of the lifting blocks 210. One end of the transmission rod 600 is fixed on the driving member 500, and the other end passes through the rotating member 400 to which it belongs. The driving member 500 drives the rotating member 400 to rotate through the transmission rod 600. The axis of the transmission rod 600 is parallel to the axis of the shaft member 200, but not colinear, so that the driving member 500 can avoid the shaft member 200 to transmit the rotating member 400.

[0053] Furthermore, a first elastic member 260 is included, with two ends respectively disposed between a group of lifting blocks 210 , and the first elastic member 260 is used to provide force for threaded connection between the two lifting blocks 210 and the shaft member 200 .

[0054] In this embodiment, the first elastic member 260 can make the lifting blocks 210 in a group always have the force to tend toward the thread on the shaft member 200. The driving member 500 drives the rotating member 400 to rotate forward and reverse, and the two lifting blocks 210 follow the rotating member 400 to rotate forward and reverse, and move closer to or farther away from each other on the axis. The lifting and lowering of the lifting blocks 210 can be limited by the length of the threaded section of the shaft member 200, and can stay at one end. By controlling the lifting blocks 210, the sliding of the sliding member 220 is controlled, and the sliding member 220 can stay at one end close to the shaft member 200 or away from the shaft member 200, so that the cleaning part 250 always abuts against the inner wall of the fermentation tank 100 to clean the inner wall of the fermentation tank 100. When the rotating member 400 reverses, the first elastic member 260 can be used to pull the two lifting blocks 210 to connect with the thread on the shaft member 200, and reciprocating motion can be realized again.

[0055] Furthermore, it also includes a first clamping member 270 disposed on the rotating member 400; a second clamping member 280 is lifted and disposed on the stirring blade 300, and the second clamping member 280 is clamped with the first clamping member 270 after rising.

[0056] In this embodiment, the stirring blade 300 is engaged with the second clamping member 280 through the first clamping member 270, so that the stirring blade 300 rotates with the rotating member 400. By setting the second clamping member 280 up and down, it is possible to control whether the stirring blade 300 rotates with the rotating member 400. When the stirring blade 300 rotates with the rotating member 400, the sliding member 220 can slide against the stirring blade 300, which is convenient for cleaning the stirring blade 300. The second clamping member 280 is released from the engagement state. In this state, the stirring blade 300 does not rotate with the rotating member 400, and the sliding member 220 can rotate to another blade by following the rotation of the rotating member 400 to clean the other blade. The transmission between the stirring blade 300 and the rotating member 400 is controlled by the first clamp 270 and the second clamp 280, so that one sliding member 220 and the cleaning part 250 can clean two stirring blades 300 at the same height, thereby reducing the required number of sliding members 220 and stirring blades 300 and reducing costs.

[0057] Furthermore, the cleaning part 250 has a through hole 251 , and also includes a plurality of crushing rollers 252 , which are rotatably disposed in the through hole 251 at intervals.

[0058] In this embodiment, the broken roller can not only prevent the cleaning part 250 from affecting the stirring of the lactic acid bacteria stirring liquid in the internal space 110, but also the solids in the lactic acid bacteria will be scattered after colliding with the protrusions on the broken roller 252, which is more conducive to the fermentation of lactic acid bacteria.

[0059] Furthermore, the sliding member 220 has a groove 221 , and the sliding block 240 is slidably disposed in the groove 221 . When the sliding member 220 approaches the rotating member 400 , the groove 221 and the rotating member 400 form a closed space.

[0060] In this embodiment, the groove 221 on the sliding member 220 can form an enclosed space with the rotating member 400. When the stirring blade 300 stirs the lactic acid bacteria fermentation liquid, the sliding member 220 abuts against the rotating member 400, and the groove 221 and the rotating member 400 form an enclosed space. The lifting block 210, the first elastic member 260, the connecting rod 230, the sliding block 240, the first clamp 270 and the second clamp 280 are all located in the enclosed space, which can prevent the lactic acid bacteria fermentation liquid from adhering to the lifting block 210, the first elastic member 260, the connecting rod 230, the sliding block 240, the first clamp 270 and the second clamp 280, thereby avoiding the trouble of cleaning the residual lactic acid bacteria fermentation liquid.

[0061] Furthermore, it also includes a first telescopic member 281, which is arranged on the stirring blade 300. The first telescopic member 281 is located in the rotating member 400, and the second clamping member 280 is arranged on the stirring blade 300 through the lifting and lowering of the first telescopic member 281; the two ends of the second elastic member 282 are respectively arranged on the telescopic end of the first telescopic member 281 and the second clamping member 280, and the second elastic member 282 is used to provide the first clamping member 270 with force to clamp the first clamping member 270.

[0062] In this embodiment, the second clamping member 280 is raised and lowered on the stirring blade 300 through the first telescopic member 281. After the second clamping member 280 rises, if it abuts against the bottom of the first clamping member 270, the second elastic member 282 will be compressed. After the clamping interface of the first clamping member 270 is rotated to align with the second clamping member 280, under the action of the second elastic member 282, the second clamping member 280 is automatically clamped with the first clamping member 270.

[0063] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A fermentation device for producing lactic acid bacteria, characterized in that: include: A fermentation tank (100), wherein the fermentation tank (100) has an inner space (110); A shaft member (200) disposed in the internal space (110); A plurality of stirring blades (300) are rotatably disposed on the shaft member (200), wherein the plurality of stirring blades (300) are arranged at intervals along the axis direction of the shaft member (200); There are a plurality of lifting blocks (210), all of which are lifted and disposed in the internal space (110), two of the lifting blocks (210) form a group, a group of lifting blocks (210) is provided between every two adjacent stirring blades (300), and the two lifting blocks (210) in a group move closer to each other or farther away from each other after being lifted and lowered; There are a plurality of sliding members (220), all of which are slidably disposed in the internal space (110); the sliding members (220) move away from or approach the shaft member (200) after sliding; and two ends of a plurality of the sliding members (220) abut against two adjacent stirring blades (300); The connecting rods (230) are provided in a plurality of groups, each group of connecting rods (230) having two connecting rods (230), one end of the two connecting rods (230) in one group being hingedly arranged on the two lifting blocks (210) in one group, and the other end being hingedly arranged on one sliding member (220).

2. A fermentation device for producing lactic acid bacteria according to claim 1, characterized in that: The connecting rods (230) of the same group are hingedly connected, and the hinge point is close to the shaft member (200), and further comprises: There are a plurality of sliding blocks (240), all of which are slidably arranged on the sliding member (220); the connecting rod (230) is hingedly connected to the sliding member (220) via the sliding blocks (240); one sliding block (240) is hingedly connected to one connecting rod (230).

3. A fermentation device for producing lactic acid bacteria according to claim 1, characterized in that: Also includes: The cleaning portion (250) is arranged on the sliding member (220), and the upper and lower ends of the cleaning portion (250) are respectively abutted against two adjacent stirring blades (300). After the sliding member (220) drives the cleaning portion (250) to slide, the cleaning portion (250) moves closer to or farther from the shaft member (200).

4. A fermentation device for producing lactic acid bacteria according to claim 2, characterized in that: Also includes: There are a plurality of rotating members (400), all of which are rotatably disposed in the internal space (110); the rotating members (400) are arranged at intervals along the axis of the shaft member (200); the plurality of rotating members (400) are respectively located between two adjacent stirring blades (300) or between the stirring blades (300) and the inner wall of the fermentation tank (100); the rotation axis of the rotating member (400) coincides with the axis of the shaft member (200); the lifting block (210) is lifted and disposed on the rotating member (400); and the lifting block (210) is threadedly connected to the shaft member (200); a driving member (500) disposed on the fermentation tank (100), the driving member (500) having an output end, and the driving member (500) being used to drive the rotating member (400) to rotate; A transmission rod (600) has one end disposed at the driving end of the driving member (500) and the other end passing through a plurality of the rotating members (400). The axis of the transmission rod (600) and the axis of the shaft member (200) are not colinear. The driving member (500) drives the rotating members (400) to rotate via the transmission rod (600).

5. A fermentation device for producing lactic acid bacteria according to claim 4, characterized in that: Also includes: The first elastic member (260) has two ends respectively arranged between a group of the lifting blocks (210), and the first elastic member (260) is used to provide force for threaded connection between the two lifting blocks (210) and the shaft member (200).

6. A fermentation device for producing lactic acid bacteria according to claim 4, characterized in that: Also includes: A first clamping member (270) is arranged on the rotating member (400); The second clamping member (280) is arranged on the stirring blade (300) in a lifting manner, and the second clamping member (280) is clamped with the first clamping member (270) after rising.

7. A fermentation device for producing lactic acid bacteria according to claim 3, characterized in that: The cleaning portion (250) has a through hole (251) and further comprises: There are a plurality of crushing rollers (252) which are rotatably arranged in the through hole (251) at intervals.

8. A fermentation device for producing lactic acid bacteria according to claim 4, characterized in that: The sliding member (220) has a groove (221), and the sliding block (240) is slidably disposed in the groove (221). When the sliding member (220) approaches the rotating member (400), the groove (221) and the rotating member (400) form a closed space.

9. A fermentation device for producing lactic acid bacteria according to claim 6, characterized in that: Also includes: a first telescopic member (281) disposed on the stirring blade (300), the first telescopic member (281) being located inside the rotating member (400), and the second clamping member (280) being raised and lowered on the stirring blade (300) by means of the first telescopic member (281); The second elastic member (282) has two ends respectively arranged on the telescopic end of the first telescopic member (281) and the second clamping member (280), and the second elastic member (282) is used to provide the first clamping member (270) with a force to clamp the first clamping member (270).

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