CN113233924B

CN113233924B - Rotary rocking shaft type material stirring system

Info

Publication number: CN113233924B
Application number: CN202110511656.XA
Authority: CN
Inventors: 魏大兵; 朱兆鸿
Original assignee: Sichuan Provincial Chuanji Engineering Technology Co ltd; Meishan Keyue Industrial Automation Equipment Co ltd
Current assignee: Sichuan Provincial Chuanji Engineering Technology Co ltd; Meishan Keyue Industrial Automation Equipment Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2022-07-22
Anticipated expiration: 2041-05-11
Also published as: CN113233924A

Abstract

The invention provides a rotary rocking shaft type material stirring system. Rotatory rocker-type material mixing system includes the fermentation cylinder jar body, drive assembly, base and rotatory swing mechanism, the internal stirring space that is equipped with of fermentation cylinder, the pedestal mounting is in the stirring space, rotatory swing mechanism's lower extreme rotatably with the base is connected, drive assembly sets up fermentation cylinder jar is last and is used for the drive rotatory swing mechanism is rotatory and the swing in the horizontal direction. The rotary rocking shaft type material stirring system can reduce the resistance of manure, thereby reducing the energy consumption in use.

Description

Rotary rocking shaft type material stirring system

Technical Field

The invention relates to the technical field of livestock and poultry manure fermentation equipment, in particular to a rotary rocking shaft type material stirring system.

Background

When the organic fertilizer is prepared by taking the feces of livestock and poultry as the raw material, the feces of the livestock and poultry generally needs to be deeply fermented, and during fermentation, the feces needs to be put into a fermentation tank to be stirred and aerated so as to achieve the effect of deep fermentation.

The stirring mode that adopts in present large capacity fermentation cylinder is rotatory along the axle center of (mixing) shaft by high-power motor or hydraulic drive (mixing) shaft more, need stronger stirring power like this, it is higher to power supplies such as driving motor, make stirring energy consumption higher and make equipment life lower, and still require the fermentation cylinder to have higher intensity (the rotatory reaction force of promotion (mixing) shaft is great), in addition, the fermentation cylinder of higher intensity can improve manufacturing cost (the fermentation cylinder diameter can reach 6 meters, adopt metal manufacturing only jar body cost just need 20 more ten thousand yuan).

Disclosure of Invention

The invention aims to provide a rotary rocking shaft type material stirring system to solve the technical problem.

The invention provides a rotary rocking shaft type material stirring system which comprises a fermentation tank body, a driving assembly, a base and a rotary swinging mechanism, wherein a stirring space is arranged in the fermentation tank body, the base is installed in the stirring space, the lower end of the rotary swinging mechanism is rotatably connected with the base, and the driving assembly is arranged on the fermentation tank body and is used for driving the rotary swinging mechanism to rotate and swing in the horizontal direction.

The swinging mechanism comprises a fixed gear disc and a swinging disc, the swinging disc is located in the fixed gear disc and partially meshed with the fixed gear disc, the number of teeth of the fixed gear disc is Z1, the number of teeth of the swinging disc is Z2, Z1-Z2 is more than or equal to 1, and the length of a gear contour line of one period of the fixed gear disc (namely the total length of two arcs of adjacent tooth tops and tooth bottoms on the fixed gear disc) divided by the diameter of the outermost teeth of the swinging disc is equal to a standard parameter pi.

Optionally, the rotary swing mechanism further includes a first mounting bracket, a rocking shaft, and an eccentric wheel, the first mounting bracket is disposed on the fermentation tank body and extends along a transverse direction of the fermentation tank body, the fixed gear is fixedly mounted on the first mounting bracket, a lower end of the rocking shaft is rotatably connected to the base, an upper end of the rocking shaft is supported on the cycloid disc, and the eccentric wheel is disposed at an output end of the driving assembly and is used for driving the cycloid disc to rotate.

Optionally, the rotary swing mechanism further comprises a cover body, the cover body is fixedly arranged on the upper surface of the cycloid disc, a cylindrical cavity with a circular cross section is formed by the cover body and the cycloid disc, the eccentric wheel is located in the cylindrical cavity, and the diameter of the cylindrical cavity is larger than that of the eccentric wheel.

Optionally, the cylindrical cavity is defined to have a first annular edge and a second annular edge, the inner diameter of the first annular edge is larger than the inner diameter of the second annular edge, the distance between the first annular edge and the second annular edge is L1, the perpendicular distance between the tooth root and the tooth top of the fixed toothed disc is defined to be L2, and L1= L2.

Optionally, the fermenter vessel is of concrete construction.

Optionally, the base and the lower end of the rocker shaft are constructed in a ball hinge structure, and the base is made of a metal material.

Optionally, the rocking shaft with still be provided with seal assembly between the base, seal assembly includes rotatory staple bolt, fixed staple bolt and seal cover, the ring channel has been seted up to the periphery wall of base, rotatory staple bolt partly overlaps and locates in the ring channel, the periphery of rotatory staple bolt is equipped with two relative fender ears, fixed staple bolt cover is established on the rocking shaft, just the periphery wall of fixed staple bolt is equipped with downwardly extending's fixed branch, and the lower extreme of this fixed branch is located two keep off between the ear, the top edge of seal cover is embedded into the inboard of fixed staple bolt, the lower limb of seal cover is embedded into the inboard of rotatory staple bolt.

Optionally, a plurality of stirring paddles are arranged on the rocking shaft, and the stirring paddles are provided with stirring surfaces which are obliquely arranged.

Optionally, the rotary rocking shaft type material stirring system further comprises an aeration assembly arranged on the inner wall of the fermentation tank body, the aeration assembly comprises an air inlet pipe, a plurality of aeration pipes and a connecting pipe, the air inlet pipe and the connecting pipe are arranged oppositely and located in the stirring space, the plurality of aeration pipes are connected in parallel between the air inlet pipe and the connecting pipe, and aeration holes are formed in the aeration pipes.

Optionally, the driving assembly comprises a second mounting bracket, a motor and a speed reducer, the second mounting bracket is fixedly arranged above the rotary swing mechanism, the speed reducer and the motor are sequentially stacked on the second mounting bracket, the motor is connected with the speed reducer, and the speed reducer is connected with the rotary swing mechanism.

The embodiment of the invention has the beneficial effects that: because drive assembly can drive rotatory swing mechanism and rotate and swing at the horizontal direction, compare current mixing system, because rotatory swing mechanism can also be to carrying out stabbing of narrow range all around in the normal rotation stirring, be favorable to reducing the resistance that receives the material when rotatory like this to reach laborsaving effect, correspondingly, the power requirement to drive assembly reduces to some extent, can reduce the energy consumption of during operation, can also prolong whole mixing system's life.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a rotary rocking shaft type material stirring system provided in an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;

FIG. 4 is a partial schematic view of FIG. 2;

FIG. 5 is a schematic view of a portion of the structure of FIG. 2;

FIG. 6 is a partial structural schematic view of a fixed gear disc and a cycloid disc;

FIG. 7 is a schematic view of a part of the structure of the cycloid disc, the cover and the eccentric wheel;

FIG. 8 is a partial schematic view of FIG. 4;

FIG. 9 is a partial schematic structural view of the rocker shaft, base and seal assembly;

FIG. 10 is an exploded view of FIG. 9;

fig. 11 is a schematic structural view of an aeration assembly;

fig. 12 is a schematic view of a rotation locus of a rocker shaft.

An icon: 100-a fermentation tank body; 101-a feed inlet; 102-a discharge port; 110-a first mounting bracket; 120-a second mounting bracket; 131-a motor; 132-a reducer; 140-fixed gear disc; 150-cycloid disc; 160-eccentric wheel; 170-a sleeve; 180-a cover body; 181-a cylindrical cavity; 191-a rocker shaft; 1911-lower end; 192-stirring paddle; 200-a base; 201-an annular groove; 210-rotating the hoop; 211-catch ears; 220-sealing sleeve; 230-fixing the anchor ear; 231-a fixed strut; 240-an aeration assembly; 241 parts of an air inlet pipe; 242-aeration pipe; 2421-aeration hole; 243-connecting tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

As shown in fig. 1 to 12, an embodiment of the present invention provides a rotary rocking shaft type material stirring system, which includes a fermenter tank 100, a driving assembly, a base 200, and a rotary swing mechanism.

The fermentation tank body 100 is open at the upper end, the fermentation tank body 100 is provided with a feed inlet 101 and a discharge outlet 102, the feed inlet 101 is arranged at the upper part of the fermentation tank body 100, the discharge outlet 102 is arranged at the lower part of the fermentation tank body 100, and in addition, a box cover (not shown in the figure) can be arranged at the opening of the fermentation tank body 100 to seal and cover the fermentation tank body 100.

The fermentation tank body 100 is provided with a stirring space therein, the base 200 is installed in the stirring space, that is, the base 200 can be installed on the inner bottom surface of the fermentation tank body 100, the lower end 1911 of the rotary swing mechanism is rotatably connected with the base 200, and the driving component is disposed on the fermentation tank body 100 and is used for driving the rotary swing mechanism to rotate and swing in the horizontal direction.

Here, the rotation means a circular motion in a substantially horizontal direction, and is not a regular circular motion, and the rotary oscillating mechanism oscillates periodically at the same time as the circular motion, that is, the rotary oscillating mechanism is displaced from the center and performs a small-range poking around the circumference.

Through above-mentioned technical scheme, because drive assembly can drive rotatory swing mechanism and rotate and swing at the horizontal direction, compare current mixing system, because rotatory swing mechanism can also be to carrying out stabbing of narrow range all around in the normal rotatory stirring, be favorable to reducing the resistance that receives the material when rotatory like this, thereby reach laborsaving effect, correspondingly, power requirement to drive assembly reduces to some extent, can reduce the energy consumption of during operation, can also prolong whole mixing system's life.

As shown in fig. 2, 3 and 4, further, the rotary swing mechanism includes a first mounting bracket 110, a rocker shaft 191, a fixed gear 140, a swing gear 150 and an eccentric 160.

The first mounting bracket 110 may be provided in a frame structure, which may be in various shapes, for example, a triangle or a quadrangle, the first mounting bracket 110 may be provided on the fermenter tank 100 and extend in a transverse direction of the fermenter tank 100, the first mounting bracket 110 may be provided on a top end surface of the fermenter tank 100, the fixed gear 140 is fixedly mounted on the first mounting bracket 110, the fixed gear 140 is an annular plate-shaped structure, an inner edge of which has a plurality of uniformly distributed first teeth, a lower end 1911 of the rocker 191 is rotatably connected to the base 200, an upper end of the rocker 191 is supported on the cycloid disc 150, the cycloid disc 150 is located in the fixed gear 140, the cycloid disc 150 is a substantially annular plate-shaped structure, an outer edge of which has a plurality of uniformly distributed second teeth, the first teeth and the second teeth are not completely engaged but partially engaged, the eccentric 160 is provided on an output end of the driving assembly and is used to rotate the cycloid disc 150, and the number of teeth of the fixed gear disc 140 is Z1, and the number of teeth of the cycloid disc 150 is Z2, so that Z1-Z2 is more than or equal to 1. It can be understood that, because the number of teeth of the fixed gear disk 140 is greater than the number of teeth of the cycloid disk 150, when the cycloid disk 150 rotates relative to the fixed gear disk 140, the fixed gear disk and the fixed gear disk are not completely meshed together, the tooth tops of the cycloid disk 150 continuously move from the tooth bottoms of the fixed gear disk 140 to the tooth tops and then to the tooth bottoms, and cycle sequentially, and because the lower end 1911 of the rocker 191 can rotate relative to the base 200, in this way, the cycloid disk 150 and the rocker 191 can rotate while periodically poking around continuously, so as to reduce the resistance between the rocker 150 and the material, and reduce the requirement for the power of the driving assembly. As shown in fig. 12, S5 is the moving track of the upper end of the rocker 191, and it can be seen that the rocker 191 not only rotates but also swings away from the axial direction.

As shown in fig. 1 and 7, in the present embodiment, the driving assembly includes a second mounting bracket 120, a motor 131 and a reducer 132, the second mounting bracket 120 is fixedly disposed above the rotary swing mechanism, the second mounting bracket 120 is a frame structure, wherein the second mounting bracket 120 may be disposed on the fermenter body 100 or on the first mounting bracket 110, and the second mounting bracket 120 may be variously shaped, for example, triangular, quadrangular, etc., as long as it can support the driving assembly without affecting the connection between the driving assembly and the eccentric 160. Reduction gear 132 and motor 131 are established on second installing support 120 in proper order in a pile, that is, reduction gear 132 is installed on second installing support 120, motor 131 is installed on reduction gear 132, motor 131 is connected with reduction gear 132, reduction gear 132 is connected with the rotatory swing mechanism, specifically speaking, the output and the eccentric wheel 160 of reduction gear 132 are connected, when actually connecting, can fixedly set up a sleeve 170 on eccentric wheel 160, have the cross section in the sleeve 170 and be the hole of non-circular shape, for example can be triangular prism, the hole of quadrangular shape, when this hole cooperatees with the output of reduction gear 132 and pegs graft, the output of reduction gear 132 can drive eccentric wheel 160 synchronous rotation.

As shown in fig. 2 and fig. 7, further, the rotary swing mechanism further includes a cover 180, the cover 180 is fixedly disposed on the upper surface of the swing coil 150, for example, the cover 180 can be mounted on the upper surface of the swing coil 150 by bolts or welding, and the cover 180 and the swing coil 150 form a cylindrical cavity 181 with a circular cross section, where the cylindrical cavity 181 is configured as a cylinder, and accordingly, the cover 180 can also be configured as a cylindrical hollow structure, the lower end of the cover 180 is open and covers the swing coil 150, the upper end of the cover 180 is provided with a through hole for the output end of the reducer 132 to pass through, the eccentric 160 is located in the cylindrical cavity 181, the diameter of the cylindrical cavity 181 is larger than the diameter of the eccentric 160, it should be noted that the rotation axis of the eccentric 160 does not coincide with the axis of the cylindrical cavity 181, but is spaced, thereby, when the eccentric 160 is rotated by the driving assembly, friction is generated between the eccentric wheel 160 and the inner surface of the cover body 180, thereby rotating the cycloid disc 150 fixedly connected with the cover body 180.

As shown in fig. 1, in the present embodiment, the cylindrical cavity 181 is defined to have a first annular edge and a second annular edge, where S1 in fig. 5 is the second annular edge, S2 in fig. 5 is the first annular edge, an inner diameter of the first annular edge is greater than an inner diameter of the second annular edge, a distance between the first annular edge and the second annular edge is L1, a perpendicular distance between a tooth root and a tooth crest of the fixed gear disk 140 is defined as L2, and L1= L2.

In addition, the length of the gear profile line of one period of the fixed gear disc 140 (i.e. the total length of two arcs of adjacent tooth tops and tooth bottoms on the fixed gear disc) divided by the diameter of the outermost teeth of the cycloid disc 150 is equal to a standard parameter pi (circumferential ratio), wherein, as shown in fig. 6, S3 is the gear profile line of one period, and S4 is the diameter track of the outermost teeth of the cycloid disc 150. And the length from the center of the cycloid disc 150 to the tooth crest is defined as L3, the length from the center of the fixed gear disc 140 to the tooth root is defined as L4, and L3= L4-L2/2.

It should be noted that the cycloid disc 150 rotates by one angle of the second tooth for every rotation of the eccentric 160.

In this embodiment, the fermenter casing 100 is made of concrete. Because the requirement on the power of the motor 131 can be reduced by adopting the rotary swing mechanism, the reaction force of the motor 131 on the fermentation tank body 100 is also reduced, namely, the requirement on the strength of the fermentation tank body 100 can be reduced by adopting the rotary swing mechanism. Therefore, the fermenter body 100 can be made of a relatively inexpensive concrete structure without using a metal material, which can greatly save the cost and meet the production requirements. Of course, in order to secure the strength of the fermenter body 100, reinforcing bars may be further provided in the concrete structure.

As shown in fig. 8, 9 and 10, further, the pedestal 200 and the lower end 1911 of the rocker shaft 191 are constructed in a ball-and-socket hinge structure, and the pedestal 200 is made of a metal material, that is, the pedestal 200 has a hemispherical cavity, and the lower end 1911 of the rocker shaft 191 is also constructed in a hemispherical shape, whereby the rocker shaft 191 can rotate and rock relative to the pedestal 200 when the rocker shaft 191 is disposed in the pedestal 200, and the pedestal 200 made of metal can secure a supporting strength to the rocker shaft 191, securing stable rotation and rocking of the rocker shaft 191. In addition, an abrasion resistant layer may be provided on the inner surface of the base 200 to prevent excessive wear of the base 200.

As shown in fig. 9 and 10, a sealing assembly is further disposed between the rocker shaft 191 and the base 200, and the sealing assembly is disposed to prevent manure in the fermenter tank 100 from entering the base 200 to affect the normal rotation and oscillation of the rocker shaft 191.

As shown in fig. 9 and 10, specifically, the sealing assembly includes a rotating hoop 210, a fixing hoop 230 and a sealing sleeve 220, the rotating hoop 210 and the fixing hoop 230 are both annular structures, an annular groove 201 is formed on the outer peripheral wall of the base 200, the rotating hoop 210 is partially sleeved in the annular groove 201, two opposite stop lugs 211 are arranged on the outer periphery of the rotating hoop 210, the fixing hoop 230 is sleeved on the rocker shaft 191, a fixing strut 231 extending downward is arranged on the outer peripheral wall of the fixing hoop 230, the lower end 1911 of the fixing strut 231 is located between the two stop lugs 211, the fixing strut 231 is respectively contacted with the two stop lugs 211, that is, the fixing strut 231 is limited between the two stop lugs 211, the upper edge of the sealing sleeve 220 is embedded into the inner side of the fixing hoop 230, and the lower edge of the sealing sleeve 220 is embedded into the inner side of the rotating hoop 210, so that when the rocker shaft 191 rotates, the fixing hoop 230 is driven by the rocker shaft 191, the fixed anchor ear 230 drives the rotary anchor ear 210 to rotate through the fixed support rod 231, so that the sealing sleeve 220 positioned at the inner side of the rotary anchor ear 210 and the fixed anchor ear 230 rotates, the sealing sleeve 220 can also prevent manure from entering the base 200 while rotating, the advantages of no gap between the sealing sleeve 220 and the rocking shaft 191 and between the sealing sleeve 220 and the base 200 can be ensured, the sealing performance is ensured, in addition, because the sealing sleeve 220 rotates along with the rocking shaft 191, the relative motion between the sealing sleeve 220 and the rocking shaft 191 can also be avoided, the excessive friction of the sealing sleeve 220 is avoided, and the service life of the sealing sleeve 220 is prolonged.

Because the diameter of the rocking shaft 191 is smaller than the inner diameter of the cavity of the base 200, the sealing sleeve 220 is arranged to be of a diameter-variable structure in order to be respectively matched with the rocking shaft 191 and the base 200, that is, the diameter of the sealing sleeve 220 is gradually reduced in the direction extending upwards from the axis of the base 200, so that the upper end of the sealing sleeve 220 can be sleeved on the periphery of the rocking shaft 191, and the lower end 1911 of the sealing sleeve 220 can be sleeved on the periphery of the base 200.

As shown in fig. 4 and 8, in this embodiment, a plurality of paddles 192 are provided on the rocker shaft 191, the paddles 192 have inclined stirring surfaces, and the paddles 192 are provided with the inclined stirring surfaces, so that resistance of the paddles 192 to manure during rotation can be reduced.

In this embodiment, the plurality of paddles 192 may be evenly distributed along the same height of the rocker shaft 191.

In some embodiments, a plurality of paddles 192 may also be arranged along the axial direction of the rocker shaft 191 in a spirally extending manner.

As shown in fig. 2, 4 and 11, in this embodiment, the rotating and rocking shaft type material stirring system further includes an aeration assembly 240 disposed on an inner wall of the fermentation tank 100, the aeration assembly 240 includes an air inlet pipe 241, a plurality of aeration pipes 242 and a connecting pipe 243, the air inlet pipe 241 and the connecting pipe 243 are disposed oppositely and located in the stirring space, wherein the air inlet pipe 241 and the connecting pipe 243 may be disposed along a horizontal direction of the fermentation tank 100 or along a vertical direction of the fermentation tank 100, the air inlet pipe 241 penetrates through the fermentation tank 100 and extends to the outside of the fermentation tank 100, an air inlet of the air inlet pipe 241 may be connected to an external air source, meanwhile, the connecting pipe 243 is disposed on the fermentation tank 100 to support the aeration pipes 242, the plurality of aeration pipes 242 are connected in parallel between the air inlet pipe 241 and the connecting pipe 243, and the aeration holes 2421 are formed in the aeration pipes 242.

As shown in fig. 2 and 4, a plurality of aeration assemblies 240 may be further provided and uniformly disposed in the fermenter vessel 100, for example, a plurality of aeration assemblies 240 may be disposed at the same height of the fermenter vessel 100 to form a layer, and a plurality of aeration assemblies 240 may be disposed at different heights.

During fermentation operation, the feces of the livestock and poultry are fed from the feed inlet 101 of the fermentation tank body 100, stirred by the rotary swing mechanism, aerated by the aeration component 240, fermented, and discharged through the discharge outlet 102 of the fermentation tank body 100 after fermentation.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotary rocking shaft type material stirring system is characterized by comprising a fermentation tank body, a driving assembly, a base and a rotary swinging mechanism, wherein a stirring space is arranged in the fermentation tank body, the base is installed in the stirring space, the lower end of the rotary swinging mechanism is rotatably connected with the base, and the driving assembly is arranged on the fermentation tank body and is used for driving the rotary swinging mechanism to rotate and swing in the horizontal direction;

the swinging mechanism comprises a fixed gear disc and a swinging disc, the swinging disc is positioned in the fixed gear disc and partially meshed with the fixed gear disc, the number of teeth of the fixed gear disc is defined as Z1, the number of teeth of the swinging disc is defined as Z2, then Z1-Z2 is more than or equal to 1, wherein the length of a gear contour line in one period of the fixed gear disc divided by the diameter of the outermost teeth of the swinging disc is equal to a standard parameter pi;

the rotary swing mechanism further comprises a first mounting bracket, a rocking shaft and an eccentric wheel, the first mounting bracket is arranged on the fermentation tank body and extends along the transverse direction of the fermentation tank body, the fixed gear disc is fixedly mounted on the first mounting bracket, the lower end of the rocking shaft is rotatably connected with the base, the upper end of the rocking shaft is supported on the cycloid disc, and the eccentric wheel is arranged on the output end of the driving assembly and used for driving the cycloid disc to rotate.

2. The rotating rocker shaft type material stirring system according to claim 1, wherein the rotating swing mechanism further comprises a cover body, the cover body is fixedly arranged on the upper surface of the swing wire disc, a cylindrical cavity with a circular cross section is formed by the cover body and the swing wire disc, the eccentric wheel is located in the cylindrical cavity, and the diameter of the cylindrical cavity is larger than that of the eccentric wheel.

3. The rotating rocker shaft material mixing system of claim 2, wherein the cylindrical cavity is defined to have a first annular edge and a second annular edge, the first annular edge having an inner diameter greater than an inner diameter of the second annular edge, the first annular edge and the second annular edge having a distance between them of L1, the fixed gear disc having a root and tip perpendicular distance of L2, and L1 ═ L2.

4. The rotating rocker shaft material mixing system as recited in claim 1, wherein the fermenter body is of concrete construction.

5. The material mixing system according to claim 4, wherein the base and the lower end of the rocker shaft are constructed in a ball hinge structure, and the base is made of a metal material.

6. The rotating rocker shaft type material stirring system according to claim 5, wherein a sealing assembly is further arranged between the rocker shaft and the base, the sealing assembly comprises a rotating hoop, a fixed hoop and a sealing sleeve, an annular groove is formed in the peripheral wall of the base, the rotating hoop is partially sleeved in the annular groove, two opposite blocking lugs are arranged on the periphery of the rotating hoop, the fixed hoop is sleeved on the rocker shaft, a fixing support rod extending downwards is arranged on the peripheral wall of the fixed hoop, the lower end of the fixing support rod is located between the two blocking lugs, the upper edge of the sealing sleeve is embedded into the inner side of the fixed hoop, and the lower edge of the sealing sleeve is embedded into the inner side of the rotating hoop.

7. The system according to claim 1, wherein the rocking shaft is provided with a plurality of paddles, and the paddles have obliquely arranged stirring surfaces.

8. The system according to claim 1, further comprising an aeration assembly disposed on the inner wall of the fermentation tank, wherein the aeration assembly comprises an air inlet pipe, a plurality of aeration pipes and a connecting pipe, the air inlet pipe and the connecting pipe are disposed opposite to each other and located in the mixing space, the plurality of aeration pipes are connected in parallel between the air inlet pipe and the connecting pipe, and the aeration pipes are provided with aeration holes.

9. The system according to claim 1, wherein the driving assembly comprises a second mounting bracket, a motor and a speed reducer, the second mounting bracket is fixedly disposed above the rotating and swinging mechanism, the speed reducer and the motor are sequentially stacked on the second mounting bracket, the motor is connected to the speed reducer, and the speed reducer is connected to the rotating and swinging mechanism.