A rice koji mixing and stirring device for rice vinegar processing

Abstract

The present invention provides a rice koji mixing and stirring device for rice vinegar processing and production, and relates to the technical field of rice vinegar processing. The rice koji mixing and stirring device for rice vinegar processing and production comprises a stirring box, a driving motor is fixedly connected to the middle position of the bottom of the stirring box, and a rotating shaft is fixedly connected to the output shaft of the driving motor; a protective shell is fixedly connected to the top of the stirring box, a rotating chamber is arranged inside the protective shell, an upper slide groove is arranged on the top of the rotating chamber, and a lower slide groove is arranged on the bottom of the rotating chamber. By arranging a driving disk, a rotating chamber, an upper slide groove, a lower slide groove, a plurality of storage barrels, a rotating groove and a feeding hole, when the driving motor controls the rotating shaft to drive the stirring rod to rotate, it will also drive a plurality of storage barrels to rotate, so that the raw materials inside the plurality of storage barrels are discharged at the same time, and a plurality of raw materials are cross-covered, which effectively solves the stratification problem, greatly shortens the mixing and stirring time, and is conducive to improving the mixing and stirring efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of rice vinegar processing, in particular to a rice koji mixing and stirring device for rice vinegar processing production. Background Art

[0002] Rice vinegar is made from millet, sorghum, glutinous rice, barley, corn, sweet potato, distiller's grains, red dates, apples, grapes, persimmons and other grains and fruits as raw materials, and is brewed through fermentation. It is rich in alkaline amino acids, sugars, organic acids, vitamin B1, vitamin B2, vitamin C, inorganic salts, minerals, etc. During the production process, the required raw materials (millet, sorghum, glutinous rice, barley, corn, etc.), red yeast rice and water need to be stirred and mixed, and then saccharified and fermented to form a fermentation mash, and then the fermentation mash is extracted into an adjustment tank for subsequent deep fermentation.

[0003] The existing mixing and stirring device is used to pour various raw materials into the mixing box in sequence, and then mix and stir them. This method will cause serious stratification of the various raw materials. Therefore, it takes a lot of time to evenly stir the various raw materials in the subsequent mixing and stirring process. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a rice koji mixing and stirring device for rice vinegar processing and production, which solves the problem that the prior stirring device causes serious stratification of various raw materials due to the sequential addition of raw materials during use, and a large amount of time is required to evenly stir the various raw materials in the subsequent mixing and stirring process.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A rice koji mixing and stirring device for rice vinegar processing and production, comprising a stirring box, a driving motor is fixedly connected to the middle position of the bottom of the stirring box, and a rotating shaft is fixedly connected to the output shaft of the driving motor;

[0006] The top of the mixing box is fixedly connected with a protective shell, a rotating chamber is arranged inside the protective shell, an upper slide groove is arranged on the top of the rotating chamber, a lower slide groove is arranged on the bottom of the rotating chamber, a plurality of storage barrels are slidably connected inside the rotating chamber, a feeding pipe is fixedly connected with the top of the storage barrel, and the feeding pipe is located inside the upper slide groove, a driving disk is fixedly connected with the top of the rotating shaft, and the driving disk is fixedly connected with the feeding pipe, a rotating groove is arranged on the top of the mixing box, and the rotating groove is located below the lower slide groove, four discharge holes are arranged at the bottom of the rotating groove, and a discharge pipe is rotatably connected with the bottom of the storage barrel, and the discharge pipe is located inside the rotating groove;

[0007] A tooth groove is provided on the outer wall of the sliding groove, a gear is fixedly connected to the circumferential surface of the discharge pipe, and the gear is meshed with the tooth groove, a fixing rod is fixedly connected to the inner wall of the storage barrel, the other end of the fixing rod is fixedly connected to a fixing cylinder, a connecting rod is slidably connected to the fixing cylinder, an extrusion assembly is provided inside the fixing cylinder, a locking assembly is provided between the feeding pipe and the connecting rod, a sealing block is fixedly connected to the bottom end of the connecting rod, a pulling block is fixedly connected to the top end of the connecting rod, and a driving structure is provided between the connecting rod and the discharge pipe.

[0008] Preferably, the driving structure includes a clamping rod and a clamping slot, the clamping rod is fixedly connected to the inner wall of the feeding tube, the clamping slot is arranged inside the connecting rod, and the clamping rod is slidably connected inside the clamping slot.

[0009] Preferably, a plurality of toggle rods are arranged on the circumferential surface of the connecting rod and are distributed on the upper and lower sides of the fixing tube.

[0010] Preferably, the extrusion assembly includes a first extrusion plate and a first spring, the first extrusion plate is slidably connected inside the fixed cylinder, and the connecting rod is fixedly connected to the first extrusion plate, the first spring is arranged inside the fixed cylinder, and the first spring is located above the first extrusion plate.

[0011] Preferably, the locking assembly includes a locking rod, an extrusion groove, a second spring, a second extrusion plate and a locking block, the locking rod is fixedly connected to the inner wall of the feeding tube, the extrusion groove is arranged inside the connecting rod, the second spring is fixedly connected to the inner wall of the extrusion groove, the second extrusion plate is fixedly connected to the other end of the second spring, the locking block is fixedly connected to the side of the second extrusion plate away from the second spring, and the locking block extends to the outside of the connecting rod, and the end of the locking block located on the outside of the connecting rod is a right-angled trapezoid.

[0012] Preferably, the second extrusion plate and the locking block are both slidably connected to the connecting rod, and the locking block is correspondingly arranged to the locking rod.

[0013] Preferably, a plurality of stirring rods and scrapers are fixedly connected to the circumferential surface of the rotating shaft, the stirring rods are located above the scrapers, and the stirring rods and the scrapers are both located inside the stirring box.

[0014] Preferably, a discharge hole is provided at the inner bottom of the mixing box, a discharge guide plate is fixedly connected to the bottom of the mixing box, and the discharge guide plate is arranged corresponding to the discharge hole, a socket is provided on the side wall of the mixing box, a baffle is clamped inside the socket, and the baffle is arranged corresponding to the discharge hole, and a handle is fixedly connected to the side wall of the baffle.

[0015] Preferably, a connecting ring is slidably connected to the inner wall of the upper slide groove, and the connecting ring is fixedly connected to the feeding pipe.

[0016] Preferably, a controller is fixedly connected to the front side wall of the mixing box, and four supporting legs are fixedly connected to the bottom edge of the mixing box.

[0017] The present invention provides a rice koji mixing and stirring device for rice vinegar processing and production. It has the following beneficial effects:

[0018] 1. The present invention, by arranging a driving disk, a rotating cavity, an upper chute, a lower chute, a plurality of storage barrels, a rotating chute and a discharge hole, when the driving motor controls the rotating shaft to drive the stirring rod to rotate, it will also drive the plurality of storage barrels to rotate, so that the raw materials inside the plurality of storage barrels can be discharged at the same time, and the plurality of raw materials can be cross-covered, which effectively solves the stratification problem, greatly shortens the mixing time, and is beneficial to improving the mixing efficiency.

[0019] 2. The present invention provides teeth, gears, a toggle rod, a clamping rod, a clamping groove and a connecting rod. When the material storage barrel rotates inside the rotating chamber, the gear drives the discharge pipe to rotate under the action of the teeth, and the connecting rod and the toggle rod rotate along with the discharge pipe under the action of the clamping rod and the clamping groove, so that the toggle rod rotates inside the material storage barrel, thereby avoiding the agglomeration and blockage of the raw materials inside the material storage barrel.

[0020] 3. The present invention, by arranging the connecting rod, the first extrusion plate, the first spring, the blocking block, the pulling block, the locking rod, the extrusion groove, the second spring, the second extrusion plate and the locking block, is convenient for blocking the discharge pipe during the feeding process. When the storage barrel rotates with the rotating shaft, the locking block is turned away from the locking rod under the action of the tooth groove, the gear, the clamping rod, the clamping groove and the connecting rod. At the same time, the blocking block automatically moves downward under the action of gravity and the first spring, and the discharge pipe is automatically opened. The structural design is reasonable, convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of a rice koji mixing and stirring device for rice vinegar processing and production proposed by the present invention;

[0022] Figure 2 A top view of a rice koji mixing and stirring device for rice vinegar processing and production proposed by the present invention;

[0023] Figure 3 This is a left view of a rice koji mixing and stirring device for rice vinegar processing and production proposed by the present invention;

[0024] Figure 4 This is a front cross-sectional view of a rice koji mixing and stirring device for rice vinegar processing and production proposed by the present invention;

[0025] Figure 5 for Figure 4 Schematic diagram of the structure of A;

[0026] Figure 6 A partial structural cross-sectional view of a rice koji mixing and stirring device for rice vinegar processing and production proposed by the present invention;

[0027] Figure 7 for Figure 6 Schematic diagram of the structure of middle B;

[0028] Figure 8 This is a front cross-sectional view of the interior of a storage barrel of a rice koji mixing and stirring device for rice vinegar processing and production proposed by the present invention;

[0029] Fig. 9 It is a left view of the connecting rod part of a rice koji mixing and stirring device for rice vinegar processing and production proposed by the present invention;

[0030] Fig.10 for Figure 8 Schematic diagram of the C structure;

[0031] Fig.11 This is a schematic diagram of the internal structure of a fixed cylinder of a rice koji mixing and stirring device for rice vinegar processing and production proposed by the present invention;

[0032] Fig.12 A cross-sectional view of the top end of a connecting rod of a rice koji mixing and stirring device for rice vinegar processing and production proposed by the present invention;

[0033] Fig.13 A top view of a mixing box of a rice koji mixing and stirring device for rice vinegar processing and production proposed by the present invention;

[0034] Fig.14 for Figure 1 Schematic diagram of the structure of E;

[0035] Fig.15 for Figure 3 Schematic diagram of the D structure.

[0036] Among them, 1. mixing box; 2. protective shell; 3. driving motor; 4. rotating shaft; 5. driving disk; 6. rotating cavity; 7. upper slide groove; 8. lower slide groove; 9. storage barrel; 10. feeding pipe; 11. feeding pipe; 12. rotating groove; 13. feeding hole; 14. tooth groove; 15. gear; 16. fixing rod; 17. fixing cylinder; 18. connecting rod; 19. first extrusion plate; 20. first spring; 21. blocking block; 22. pulling block; 23. toggle rod; 24. clamping rod; 25. clamping groove; 26. locking rod; 27. extrusion groove; 28. second spring; 29. ​​second extrusion plate; 30. locking block; 31. mixing rod; 32. feeding guide plate; 33. discharging hole; 34. plug hole; 35. baffle; 36. handle; 37. connecting ring; 38. scraper; 39. controller; 40. supporting leg. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention. Example

[0038] like Figure 1-Figure 15 As shown, the embodiment of the present invention provides a rice koji mixing and stirring device for rice vinegar processing and production, comprising a stirring box 1, a driving motor 3 is fixedly connected to the middle position of the bottom of the stirring box 1, and the driving motor 3 is mainly used to drive the rotating shaft 4 to rotate. When the rotating shaft 4 is rotating, on the one hand, it can drive the stirring rod 31 and the scraper 38 to rotate. The stirring rod 31 will stir the added raw materials during the rotation, and the scraper 38 will push the residual mixture to the discharge hole 33 for discharge during the discharge process; on the other hand, the driving disk 5 can drive multiple storage barrels 9 to rotate, so that the raw materials inside the multiple storage barrels 9 are discharged at the same time, and multiple raw materials are cross-covered, which effectively solves the stratification problem, greatly shortens the mixing and stirring time, and is conducive to improving the mixing and stirring efficiency. The output shaft of the driving motor 3 is fixedly connected with the rotating shaft 4;

[0039] A protective shell 2 is fixedly connected to the top of the mixing box 1. The protective shell 2 mainly protects the storage barrel 9 during the rotation process to prevent the storage barrel 9 from accidentally injuring the staff during the rotation process. A rotating chamber 6 is arranged inside the protective shell 2. The rotating chamber 6 is annular. An upper slide groove 7 is arranged on the top of the rotating chamber 6. The setting of the upper slide groove 7 facilitates the rotation of the feeding pipe 11 inside the protective shell 2. A lower slide groove 8 is arranged at the bottom of the rotating chamber 6. The setting of the lower slide groove 8 and the rotating groove 12 facilitates the rotation of the feeding pipe 10. A plurality of storage barrels 9 are slidably connected to the inside of the rotating chamber 6. The interiors of the plurality of storage barrels 9 are used to store various raw materials required for mixing. A feeding pipe 11 is fixedly connected to the top of the storage barrel 9, and the feeding The tube 11 is located inside the upper chute 7, the top of the feeding tube 11 is funnel-shaped, the top of the rotating shaft 4 is fixedly connected with a driving disk 5, and the driving disk 5 is fixedly connected to the feeding tube 11, and the top view of the driving disk 5 is in the shape of a "cross". The main function of the driving disk 5 is to connect multiple storage barrels 9 with the rotating shaft 4, so that the rotating shaft 4 can drive multiple storage barrels 9 to rotate simultaneously during the rotation process. A rotating groove 12 is provided on the top of the mixing box 1, and the rotating groove 12 is located below the lower sliding groove 8. Four discharge holes 13 are provided at the bottom of the rotating groove 12. The top view of the discharge hole 13 is fan-shaped. The bottom of the storage barrel 9 is rotatably connected with a discharge pipe 10, and the discharge pipe 10 is located inside the rotating groove 12;

[0040] A tooth groove 14 is arranged on the outer wall of the lower groove 8. The tooth groove 14 and the gear 15 are arranged. When the storage barrel 9 is rotating, the discharge pipe 10 rotates in cooperation with the tooth groove 14 and the gear 15. In addition, the connecting rod 18 rotates with the discharge pipe 10 under the action of the clamping rod 24 and the clamping groove 25, thereby controlling the toggle rod 23 to rotate inside the storage barrel 9 to avoid the agglomeration and blockage of the raw materials inside the storage barrel 9. The gear 15 is always meshed with the tooth groove 14. In addition, a gap is left between the gear 15 and the inner wall of the lower groove 8, which will not affect the rotation of the gear 15. The circumferential surface of the discharge pipe 10 is fixedly connected with a gear 15, and the gear 15 is meshed with the tooth groove 14, a fixing rod 16 is fixedly connected to the inner wall of the storage barrel 9, the other end of the fixing rod 16 is fixedly connected to the fixing cylinder 17, a connecting rod 18 is slidably connected to the fixing cylinder 17, an extrusion assembly is arranged inside the fixing cylinder 17, the extrusion assembly includes a first extrusion plate 19 and a first spring 20, wherein the first spring 20 is always in a compressed state, the first extrusion plate 19 is extruded by the elastic force of the first spring 20, and the connecting rod 18 is controlled to move downward under the action of gravity, when the connecting rod 18 moves downward, the blocking block 21 below will also move downward together, at this time the feeding pipe 10 will be opened;

[0041] The first extrusion plate 19 is slidably connected to the interior of the fixed cylinder 17, and the connecting rod 18 is fixedly connected to the first extrusion plate 19. The first spring 20 is disposed inside the fixed cylinder 17, and the first spring 20 is located above the first extrusion plate 19.

[0042] A locking assembly is provided between the feeding tube 11 and the connecting rod 18, and the locking assembly includes a locking rod 26, an extrusion groove 27, a second spring 28, a second extrusion plate 29 and a locking block 30. When the driving motor 3 stops rotating, the locking block 30 automatically returns to the initial position and is located below the locking rod 26. The staff pulls the connecting rod 18 upward through the pull block 22, and the locking block 30 moves to the position of the locking rod 26 and is squeezed into the inside of the extrusion groove 27. When the locking block 30 moves to the top of the locking rod 26, the locking block 30 automatically moves out of the inner part of the extrusion groove 27 under the action of the second spring 28. The first spring 20 and the second spring 21 are connected to the material storage barrel 9, and the connecting rod 18 is connected to the material storage barrel 9. When the driving motor 3 controls the material storage barrel 9 to rotate, the connecting rod 18 will also rotate. At this time, the locking block 30 will rotate with the connecting rod 18 and move away from the locking rod 26. When the locking block 30 is removed from the locking rod 26, the connecting rod 18 will automatically move downward under the elastic force of the first spring 20 and the action of gravity. At this time, the material discharge pipe 10 automatically opens for material discharge. The structural design is relatively reasonable, and automatic material discharge can be achieved.

[0043] The locking rod 26 is fixedly connected to the inner wall of the feeding tube 11, the extrusion groove 27 is arranged inside the connecting rod 18, the second spring 28 is fixedly connected to the inner wall of the extrusion groove 27, the second extrusion plate 29 is fixedly connected to the other end of the second spring 28, the locking block 30 is fixedly connected to the side of the second extrusion plate 29 away from the second spring 28, and the locking block 30 extends to the outside of the connecting rod 18, and the end of the locking block 30 located on the outside of the connecting rod 18 is a right-angled trapezoid, so that when the locking block 30 contacts the locking rod 26, the locking block 30 can be automatically squeezed into the extrusion groove 27, the second extrusion plate 29 and the locking block 30 are both slidably connected to the connecting rod 18, and the locking block 30 is arranged corresponding to the locking rod 26;

[0044] The bottom end of the connecting rod 18 is fixedly connected with a blocking block 21. The main function of the blocking block 21 is to block the feeding pipe 10. The front shape of the blocking block 21 is conical. After the blocking block 21 moves to the bottom, it will fit with the bottom of the rotating groove 12 and will not enter the inside of the feeding hole 13. The top end of the connecting rod 18 is fixedly connected with a pulling block 22. The pulling block 22 is mainly used to control the connecting rod 18 to move upward. When the feeding pipe 10 is blocked by a large object and cannot be discharged normally, the staff can press the emergency button through the controller 39, and then control the connecting rod 18 to move up and down through the pulling block 22 to dredge.

[0045] A driving structure is provided between the connecting rod 18 and the feeding tube 10 , and the driving structure includes a clamping rod 24 and a clamping slot 25 . The arrangement of the clamping rod 24 and the clamping slot 25 facilitates the feeding tube 10 to drive the connecting rod 18 to rotate together during the rotation process.

[0046] The clamping rod 24 is fixedly connected to the inner wall of the feeding tube 10 , the clamping groove 25 is arranged inside the connecting rod 18 , and the clamping rod 24 is slidably connected inside the clamping groove 25 .

[0047] A plurality of toggle rods 23 are arranged on the circumferential surface of the connecting rod 18 and are distributed on the upper and lower sides of the fixed cylinder 17. The toggle rods 23 rotate under the action of the connecting rod 18, so that the toggle rods 23 rotate inside the storage barrel 9 to prevent the raw materials from agglomerating or clogging inside the storage barrel 9. A plurality of stirring rods 31 and scrapers 38 are fixedly connected to the circumferential surface of the rotating shaft 4. The stirring rods 31 are located above the scrapers 38, and the stirring rods 31 and the scrapers 38 are both located inside the mixing box 1.

[0048] The inner bottom of the mixing box 1 is provided with a discharge hole 33, the bottom of the mixing box 1 is fixedly connected with a discharge guide plate 32, and the discharge guide plate 32 is arranged corresponding to the discharge hole 33, the discharge guide plate 32 is inclined, and the side wall of the mixing box 1 is provided with a plug hole 34, the inside of the plug hole 34 is clamped with a baffle 35, and the baffle 35 is arranged corresponding to the discharge hole 33, the baffle 35 mainly blocks the discharge hole 33, the side wall of the baffle 35 is fixedly connected with a handle 36, and the inner wall of the upper slide 7 is slidably connected with a connecting rod 36. The connecting ring 37 is fixedly connected to the feeding pipe 11. The connecting ring 37 mainly blocks the gap part of the upper slide groove 7 to prevent external impurity particles from entering. A controller 39 is fixedly connected to the front side wall of the mixing box 1. The controller 39 is mainly used to control the driving motor 3 to work. The main functions include starting, stopping and emergency braking of the driving motor 3. It can also control the driving motor 3 to reverse. Four supporting legs 40 are fixedly connected to the bottom edge of the mixing box 1.

[0049] The electric energy of the present application is provided by an external power supply, which is not specifically drawn in the present application. In addition, for cleaning of the mixing box 1, a water pipe interface can be set in the mixing box 1 (not drawn in the figure, and can be designed according to actual conditions during the subsequent design process), and water can be added inside to rinse. The storage barrel 9 can be cleaned by directly injecting water from the feeding pipe 11, and the generated waste liquid is finally discharged from the discharge hole 33.

[0050] Working principle: When in use, first lift the connecting rod 18 through the pulling block 22, so that the locking block 30 is stuck on the locking rod 26, and the blocking block 21 blocks the discharge pipe 10. Then the staff adds the raw materials required for mixing into the corresponding storage barrels 9 respectively. After the addition is completed, start the driving motor 3, and the rotating shaft 4 drives the stirring rod 31 and the driving disk 5 to rotate, thereby driving multiple storage barrels 9 to rotate inside the rotating chamber 6. While the storage barrel 9 rotates, the connecting rod 18 rotates under the action of the tooth groove 14, the gear 15, the discharge pipe 10, the clamping rod 24, and the clamping groove 25, and the locking block 30 falls off from the locking rod 26, the blocking block 21 moves down, and the discharge pipe 10 automatically opens, thereby realizing the simultaneous discharge of raw materials in multiple storage barrels 9, and multiple raw materials are cross-covered. After mixing is completed, the baffle 35 is pulled out from the inside of the jack 34 through the handle 36 to discharge the materials.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rice koji mixing and stirring device for rice vinegar processing, comprising a stirring box (1), a driving motor (3) being fixedly connected to the middle of the bottom of the stirring box (1), a rotating shaft (4) being fixedly connected to the output shaft of the driving motor (3), characterized in that: The top of the mixing box (1) is fixedly connected to a protective shell (2), a rotating chamber (6) is arranged inside the protective shell (2), an upper slide groove (7) is arranged on the top of the rotating chamber (6), a lower slide groove (8) is arranged on the bottom of the rotating chamber (6), a plurality of storage barrels (9) are slidably connected inside the rotating chamber (6), a feeding pipe (11) is fixedly connected to the top of the storage barrel (9), and the feeding pipe (11) is located inside the upper slide groove (7), a driving disk (5) is fixedly connected to the top of the rotating shaft (4), and the driving disk (5) is fixedly connected to the feeding pipe (11), a rotating groove (12) is arranged on the top of the mixing box (1), and the rotating groove (12) is located below the lower slide groove (8), four discharge holes (13) are arranged at the bottom of the rotating groove (12), a discharge pipe (10) is rotatably connected to the bottom of the storage barrel (9), and the discharge pipe (10) is located inside the rotating groove (12); A tooth groove (14) is provided on the outer wall of the sliding groove (8), a gear (15) is fixedly connected to the circumferential surface of the discharge pipe (10), and the gear (15) meshes with the tooth groove (14), a fixing rod (16) is fixedly connected to the inner wall of the storage barrel (9), the other end of the fixing rod (16) is fixedly connected to a fixing cylinder (17), a connecting rod (18) is slidably connected to the fixing cylinder (17), an extrusion assembly is provided inside the fixing cylinder (17), a locking assembly is provided between the feeding pipe (11) and the connecting rod (18), a blocking block (21) is fixedly connected to the bottom end of the connecting rod (18), a pulling block (22) is fixedly connected to the top end of the connecting rod (18), and a driving structure is provided between the connecting rod (18) and the discharge pipe (10); The driving structure comprises a clamping rod (24) and a clamping groove (25), wherein the clamping rod (24) is fixedly connected to the inner wall of the feeding tube (10), the clamping groove (25) is arranged inside the connecting rod (18), and the clamping rod (24) is slidably connected inside the clamping groove (25); The extrusion assembly comprises a first extrusion plate (19) and a first spring (20); the first extrusion plate (19) is slidably connected inside the fixed cylinder (17); the connecting rod (18) is fixedly connected to the first extrusion plate (19); the first spring (20) is arranged inside the fixed cylinder (17); and the first spring (20) is located above the first extrusion plate (19); The locking assembly comprises a locking rod (26), an extrusion groove (27), a second spring (28), a second extrusion plate (29) and a locking block (30); the locking rod (26) is fixedly connected to the inner wall of the feeding tube (11); the extrusion groove (27) is arranged inside the connecting rod (18); the second spring (28) is fixedly connected to the inner wall of the extrusion groove (27); the second extrusion plate (29) is fixedly connected to the other end of the second spring (28); the locking block (30) is fixedly connected to a side of the second extrusion plate (29) away from the second spring (28); the locking block (30) extends to the outside of the connecting rod (18); and the end of the locking block (30) located outside the connecting rod (18) is a right-angled trapezoid.

2. The rice koji mixing and stirring device for rice vinegar processing according to claim 1, characterized in that: A plurality of toggle rods (23) are provided on the circumferential surface of the connecting rod (18) and are distributed on the upper and lower sides of the fixing cylinder (17).

3. The rice koji mixing and stirring device for rice vinegar processing according to claim 1, characterized in that: The second extrusion plate (29) and the locking block (30) are both slidably connected to the connecting rod (18), and the locking block (30) is arranged corresponding to the locking rod (26).

4. The rice koji mixing and stirring device for rice vinegar processing according to claim 1, characterized in that: A plurality of stirring rods (31) and scrapers (38) are fixedly connected to the circumferential surface of the rotating shaft (4); the stirring rods (31) are located above the scrapers (38); and the stirring rods (31) and the scrapers (38) are both located inside the stirring box (1).

5. The rice koji mixing and stirring device for rice vinegar processing according to claim 1, characterized in that: The inner bottom of the mixing box (1) is provided with a discharge hole (33), the bottom of the mixing box (1) is fixedly connected with a discharge guide plate (32), and the discharge guide plate (32) is arranged corresponding to the discharge hole (33), a plug hole (34) is provided on the side wall of the mixing box (1), a baffle plate (35) is clamped inside the plug hole (34), and the baffle plate (35) is arranged corresponding to the discharge hole (33), and a handle (36) is fixedly connected to the side wall of the baffle plate (35).

6. The rice koji mixing and stirring device for rice vinegar processing according to claim 1, characterized in that: A connecting ring (37) is slidably connected to the inner wall of the upper slide groove (7), and the connecting ring (37) is fixedly connected to the feeding pipe (11).

7. The rice koji mixing and stirring device for rice vinegar processing according to claim 1, characterized in that: A controller (39) is fixedly connected to the front side wall of the mixing box (1), and four supporting legs (40) are fixedly connected to the bottom edge of the mixing box (1).

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