Organic garbage crushing and fermenting device

By introducing a moving groove and guide rod structure within a fixed shaft into the organic waste crushing and fermentation device, the rapid replacement of the crusher cutter head and the removal of residual waste from the fermentation chamber walls are achieved, solving the problem of difficult cutter head replacement in existing technologies and improving maintenance efficiency and equipment stability.

CN224406025UActive Publication Date: 2026-06-26JIANGSU DAHE TIANRUN ECOLOGICAL TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU DAHE TIANRUN ECOLOGICAL TECH CO LTD
Filing Date
2025-08-04
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

In existing organic waste crushing and fermentation devices, it is difficult to replace the crusher cutter head, especially in narrow or limited operating environments, resulting in low maintenance efficiency.

Method used

The device employs a movable groove and guide rod structure within a fixed shaft. By manually rotating the fixing bolts and movable limit block, and utilizing the return spring to drive the fixed plate, the cutter disc can be quickly replaced. Additionally, a scraper removes residual waste from the fermentation chamber walls, simplifying the maintenance process.

Benefits of technology

It significantly reduces the difficulty of changing the cutter head, improves the efficiency of changing the cutter head, and can quickly remove residual waste on the fermentation chamber walls, ensuring stable operation of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of organic garbage crushing fermentation discloses an organic garbage crushing fermentation device, including the crushing box, the lower surface fixed connection of crushing box has the fermentation bin, the inside wall detachable mounting of crushing box has the fixed shaft, the inside wall of fixed shaft has set up the moving groove, the inside wall fixed connection of moving groove has the guide rod, the inside wall sliding connection of moving groove has the fixed plate, the fixed plate is connected with the moving groove elasticity through the return spring, the fixed plate upper surface fixed connection has the pressing stick, the inside wall of fixed shaft is provided with the fixed component, the left side wall detachable mounting of fixed shaft has the motor. In the utility model, through the manual rotation fixed bolt, the movement limiting block and press the pressing stick to move the fixed plate, the elastic force of return spring drives the fixed plate reset to be able to realize the replacement of the cutterhead of the crusher, significantly reduces the replacement difficulty, effectively promotes the cutterhead replacement efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of organic waste crushing and fermentation, and in particular to an organic waste crushing and fermentation device. Background Technology

[0002] Organic waste refers to waste rich in organic matter that comes from living organisms, can be decomposed by microorganisms, and participates in the biological cycle. Organic waste crushing and fermentation devices are equipment used to process organic waste such as kitchen waste and straw. They crush the waste into fine particles through a crushing mechanism to increase the contact area, and then the fermentation system promotes the decomposition of organic matter by microorganisms, converting it into resources such as organic fertilizer or biogas.

[0003] When using it, first sort and remove impurities from the organic waste, put it into the crushing device to crush it into small pieces, and then transfer it to the fermentation device. Adjust the moisture and carbon-nitrogen ratio, then inoculate it with bacteria, and finally seal the device, control the temperature and ventilation, stir it regularly, and test the maturity after fermentation. If it is qualified, it can be discharged for composting or energy utilization.

[0004] The existing technology has the following drawbacks: the crushing cutter discs of some existing organic waste crushing and fermentation devices are fixed to the rotating bearings one by one with existing bolts. Therefore, when replacing the crusher cutter discs, the staff needs to use tools to disassemble and assemble them one by one, and operate accurately according to each bolt. The whole process is quite troublesome, especially in some narrow or limited operating environments, where the use of tools is further hindered, increasing the difficulty of disassembly and assembly and resulting in low maintenance efficiency. Therefore, an organic waste crushing and fermentation device is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides an organic waste crushing and fermentation device, which aims to improve the problem that the crusher cutter head cannot be quickly replaced in the prior art.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: an organic waste crushing and fermentation device, comprising a crushing box, a fermentation chamber fixedly connected to the lower surface of the crushing box, a fixed shaft detachably installed on the inner wall of the crushing box, a moving groove opened on the inner wall of the fixed shaft, a guide rod fixedly connected to the inner wall of the moving groove, a fixed plate slidably connected to the inner wall of the moving groove, the fixed plate being elastically connected to the moving groove via a return spring, a pressing rod fixedly connected to the upper surface of the fixed plate, a fixing component provided on the inner wall of the fixed shaft, a motor detachably installed on the left side wall of the fixed shaft, a fixing frame fixedly connected to the outer wall of the crushing box, a cutter disc detachably installed on the outer wall of the fixed shaft, a discharge pipe fixedly connected to the bottom of the fermentation chamber, a support frame fixedly connected to the bottom of the fermentation chamber, a main stirring shaft rotatably connected through the inner wall of the fermentation chamber, and a scraping mechanism provided on the outer wall of the main stirring shaft.

[0007] The fixing component includes a limiting block, which is slidably connected to the inner wall of the fixing shaft. A connecting pipe is fixedly connected to the top of the limiting block, and fixing bolts are threaded through and threaded onto the inner wall of the connecting pipe and the limiting block, respectively.

[0008] As a further description of the above technical solution: the scraping mechanism includes a connecting frame, a side stirring plate is fixedly connected to the outer wall of the connecting frame, the connecting frame is fixedly connected to the outer wall of the main stirring shaft, a scraper is inserted into the side wall of the connecting frame, and a limit bolt is threadedly connected to the inner wall of the connecting frame.

[0009] As a further description of the above technical solution: the motor is detachably mounted on the left side wall of the crushing box via a fixing bracket, and the fixing plate is inserted into the inner wall of the cutter head.

[0010] As a further description of the above technical solution: the fixing bolt is threadedly connected to the inner wall of the fixing shaft, and the connecting pipe is slidably connected to the inner wall of the fixing shaft.

[0011] As a further description of the above technical solution: the limiting block is inserted into the inner wall of the pressing rod, and the pressing rod passes through and is slidably connected to the inner wall of the fixed shaft.

[0012] As a further description of the above technical solution: the lower surface of the fixed plate is fixedly connected to one end of the reset spring, and the other end of the reset spring is fixedly connected to the inner wall of the bottom end of the moving groove.

[0013] As a further description of the above technical solution: the guide rod passes through and is slidably connected to the inner wall of the fixed plate.

[0014] As a further description of the above technical solution: the limiting bolt passes through and is threadedly connected to the inner wall of the scraper, and the side wall of the scraper is in contact with the inner wall of the fermentation chamber.

[0015] This utility model has the following beneficial effects:

[0016] 1. In this utility model, the fixed plate is moved by manually rotating the fixing bolt, moving the limiting block and pressing the pressing rod. The elastic force of the reset spring drives the fixed plate to reset, which can realize the replacement of the crusher cutter head, significantly reducing the difficulty of replacement and effectively improving the efficiency of cutter head replacement.

[0017] 2. In this utility model, the organic waste remaining on the fermentation chamber wall is scraped off by a scraper attached to the inner wall of the fermentation chamber. The scraper can be disassembled and assembled by manually turning and moving the limit bolt, which effectively prevents organic waste from remaining on the fermentation chamber wall, allows for quick maintenance, and ensures stable operation of the equipment. Attached Figure Description

[0018] Figure 1This is a three-dimensional schematic diagram of an organic waste crushing and fermentation device proposed in this utility model;

[0019] Figure 2 This is a cross-sectional schematic diagram of the crushing box of an organic waste crushing and fermentation device proposed in this utility model;

[0020] Figure 3 This is a cross-sectional schematic diagram of the crusher cutter head and fixed shaft of an organic waste crushing and fermentation device proposed in this utility model;

[0021] Figure 4 This is a cross-sectional schematic diagram of the fermentation chamber of an organic waste crushing and fermentation device proposed in this utility model;

[0022] Figure 5 This is an enlarged schematic diagram of Figure A, which illustrates the organic waste crushing and fermentation device proposed in this utility model.

[0023] Figure 6 This is an enlarged schematic diagram of Figure B, which shows the overall structure of the organic waste crushing and fermentation device proposed in this utility model.

[0024] Figure 7 This is a cross-sectional schematic diagram of the connecting frame and scraper of an organic waste crushing and fermentation device proposed in this utility model.

[0025] Legend:

[0026] 1. Cutter head; 2. Motor; 3. Fixing frame; 4. Crushing box; 5. Support frame; 6. Fermentation chamber; 7. Fixing shaft; 8. Pressing rod; 9. Guide rod; 10. Return spring; 11. Fixing plate; 12. Moving trough; 13. Connecting frame; 14. Side stirring plate; 15. Discharge pipe; 16. Scraper; 17. Main stirring shaft; 18. Fixing bolt; 19. Connecting pipe; 20. Limiting block; 21. Limiting bolt. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Reference Figures 1-3This utility model provides an embodiment of an organic waste crushing and fermentation device, comprising a crushing box 4, with holes for mounting a fixed shaft 7 on the side wall of the crushing box 4. The fixed shaft 7 is rotatably connected to the inner wall of the holes. A material discharge hole is provided on the lower surface of the crushing box 4, and a fermentation chamber 6 is fixedly connected to the lower surface of the crushing box 4. Organic waste, after being crushed by the crusher, falls into the fermentation chamber 6 for fermentation. The fixed shaft 7 is detachably mounted on the inner wall of the crushing box 4. When the fixed shaft 7 rotates, it drives the cutter disc 1 to rotate as well. The rotating cutter disc 1 crushes the organic waste. A moving groove 12 is provided on the inner wall of the fixed shaft 7, and a guide rod 9 is fixedly connected to the inner wall of the moving groove 12. The guide rod 9 limits the fixed plate 11 to only move up and down, preventing the fixed plate 11 from tilting during movement. The fixed plate 11 is slidably connected to the inner wall of the moving groove 12. The fixed plate 11 is elastically connected to the moving groove 12 via a return spring 10. A pressing rod 8 is fixedly connected to the upper surface of the fixed plate 11. Pressing the pressing rod 8 can separate the fixed plate 11 from the groove on the inner wall of the cutter disc 1. After separation, the limit on the cutter head 1 can be released. A fixing component is provided on the inner wall of the fixed shaft 7. A motor 2 is detachably installed on the left side wall of the fixed shaft 7. The motor 2 is located on both sides of the crushing box 4 and is connected to the side wall of the crushing box 4 by existing bolts. The motors 2 at both ends drive the two fixed shafts 7 to rotate inward simultaneously. A fixing frame 3 is fixedly connected to the outer wall of the crushing box 4. The fixing frame 3 is connected to the outer wall of the crushing box 4 by existing bolts and serves to support and connect the motor 2. The cutter head 1 is detachably installed on the outer wall of the fixed shaft 7. A discharge pipe 15 is fixedly connected to the bottom of the fermentation chamber 6. After the organic waste is fermented, it is discharged through the discharge pipe 15. A support frame 5 is fixedly connected to the bottom of the fermentation chamber 6. The support frame 5 is used to place the existing stirring motor connected to the bottom of the fermentation chamber 6. The support frame 5 is connected to the bottom of the fermentation chamber 6 by existing bolts to support the stirring motor and prevent it from moving unnecessarily. A main stirring shaft 17 is rotatably connected through the inner wall of the fermentation chamber 6. A scraping mechanism is provided on the outer wall of the main stirring shaft 17.

[0029] The fixing component includes a limiting block 20, which is slidably connected to the inner wall of the fixing shaft 7. The fixing shaft 7 has a slot for placing the limiting block 20 and the connecting pipe 19, so that the limiting block 20 and the connecting pipe 19 can slide in the slot. The top of the limiting block 20 is fixedly connected to the connecting pipe 19. The inner wall of the connecting pipe 19 is provided with a thread that matches the fixing bolt 18. The inner walls of the connecting pipe 19 and the limiting block 20 are respectively threaded and connected to the fixing bolt 18.

[0030] Reference Figures 4-6The scraping mechanism includes a connecting frame 13, with a side stirring plate 14 fixedly connected to the outer wall of the connecting frame 13. The connecting frame 13 is fixedly connected to the outer wall of the main stirring shaft 17. An existing stirring motor drives the main stirring shaft 17 to rotate. The main stirring shaft 17 stirs the organic waste during the fermentation process, ensuring uniform fermentation. A scraper 16 is inserted into the side wall of the connecting frame 13. The connecting frame 13 rotates together with the main stirring shaft 17. During rotation, the scraper 16 scrapes away the residual organic waste on the wall of the fermentation chamber 6, preventing the organic waste from sticking to the fermentation chamber wall 6. A limit bolt 21 is threadedly connected to the inner wall of the connecting frame 13. The motor 2 is detachably installed on the left side wall of the crushing box 4 via a fixing frame 3. A fixing plate 11 is inserted into the inner wall of the cutter disc 1. The inner wall of the cutter disc 1 has a slot that matches the protrusion on the fixing plate 11. The protrusion on the fixing plate 11 is inserted into the slot of the cutter disc 1. (Refer to...) Figure 7 The limiting bolt 21 passes through and is threadedly connected to the inner wall of the scraper 16. The inner wall of the scraper 16 is provided with threads that match the limiting bolt 21. The side wall of the scraper 16 is in contact with the inner wall of the fermentation chamber 6.

[0031] Reference Figure 3 , Figure 5 The fixing bolt 18 is threadedly connected to the inner wall of the fixing shaft 7, the connecting pipe 19 is slidably connected to the inner wall of the fixing shaft 7, the limiting block 20 is inserted into the inner wall of the pressing rod 8, the inner wall of the pressing rod 8 has a slot that matches the limiting block 20, the limiting block 20 is inserted into the inner wall of the slot, the pressing rod 8 passes through and is slidably connected to the inner wall of the fixing shaft 7, the lower surface of the fixing plate 11 is fixedly connected to one end of the return spring 10, the other end of the return spring 10 is fixedly connected to the inner wall of the bottom end of the moving groove 12, the fixing plate 11 will compress the return spring 10 when it moves downward, and when it is reset, the elasticity of the return spring 10 will drive the fixing plate 11 to reset upward, and the guide rod 9 passes through and is slidably connected to the inner wall of the fixing plate 11.

[0032] Working principle: First, when replacing the crusher cutter head 1, simply manually rotate and tighten the fixing bolt 18 to separate it from the threaded hole corresponding to the connecting pipe 19 and the fixed shaft 7. Then, manually move the limit block 20 to the left to separate it from the pressing rod 8. Next, manually press the pressing rod 8 down without releasing it. The pressing rod 8 will cause the fixing plate 11 to separate from the groove on the cutter head 1, while compressing the return spring 10. Manually remove the cutter head 1 and replace it. After the replacement is completed, release your hand. The elasticity of the return spring 10 will cause the fixing plate 11 to return to its original position. Then, manually move the limit block 20 to the right to return to its original position. Finally, manually rotate and tighten the fixing bolt 18 to complete the replacement of the crusher cutter head 1.

[0033] When the device is working, organic waste is put into the crushing box 4 and crushed by the rotating cutter head 1. The crushed organic waste enters the fermentation chamber 6 for fermentation. During the fermentation process, the main stirring shaft 17 rotates continuously to stir the organic waste to ensure that it is fully fermented. During the stirring process, the scraper 16 that is in contact with the fermentation chamber wall 6 scrapes off the organic waste remaining on the chamber wall.

[0034] When the scraper 16 needs to be cleaned or replaced, simply manually tighten the limiting bolt 21 and move it to the left to separate it from the inner wall of the scraper 16 and the inner wall of the connecting frame 13. Then, manually pull the scraper 16 upward and clean and replace it. After that, manually insert the scraper 16 back into the inner wall of the connecting frame 13. Finally, manually put the limiting bolt 21 back in and tighten it to complete the replacement of the scraper 16.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An organic waste crushing and fermentation device, comprising a crushing chamber (4), characterized in that: A fermentation chamber (6) is fixedly connected to the lower surface of the crushing box (4). A fixed shaft (7) is detachably installed on the inner wall of the crushing box (4). A moving groove (12) is opened on the inner wall of the fixed shaft (7). A guide rod (9) is fixedly connected to the inner wall of the moving groove (12). A fixed plate (11) is slidably connected to the inner wall of the moving groove (12). The fixed plate (11) is elastically connected to the moving groove (12) through a return spring (10). A pressing rod (8) is fixedly connected to the upper surface of the fixed plate (11). A fixing component is provided on the inner wall of the shaft (7). A motor (2) is detachably installed on the left side wall of the fixed shaft (7). A fixing frame (3) is fixedly connected to the outer wall of the crushing box (4). A cutter disc (1) is detachably installed on the outer wall of the fixed shaft (7). A discharge pipe (15) is fixedly connected to the bottom of the fermentation chamber (6). A support frame (5) is fixedly connected to the bottom of the fermentation chamber (6). A main stirring shaft (17) is rotatably connected through the inner wall of the fermentation chamber (6). A scraping mechanism is provided on the outer wall of the main stirring shaft (17). The fixing component includes a limiting block (20), which is slidably connected to the inner wall of the fixing shaft (7). A connecting pipe (19) is fixedly connected to the top of the limiting block (20). The inner walls of the connecting pipe (19) and the limiting block (20) are respectively threaded with fixing bolts (18).

2. The organic waste crushing and fermentation device according to claim 1, characterized in that: The scraping mechanism includes a connecting frame (13), a side stirring plate (14) is fixedly connected to the outer wall of the connecting frame (13), the connecting frame (13) is fixedly connected to the outer wall of the main stirring shaft (17), a scraper (16) is inserted into the side wall of the connecting frame (13), and a limit bolt (21) is threadedly connected to the inner wall of the connecting frame (13).

3. The organic waste crushing and fermentation device according to claim 1, characterized in that: The motor (2) is detachably mounted on the left side wall of the crushing box (4) via a fixing bracket (3), and the fixing plate (11) is inserted into the inner wall of the cutter head (1).

4. The organic waste crushing and fermentation device according to claim 1, characterized in that: The fixing bolt (18) is threaded to the inner wall of the fixing shaft (7), and the connecting pipe (19) is slidably connected to the inner wall of the fixing shaft (7).

5. The organic waste crushing and fermentation device according to claim 1, characterized in that: The limiting block (20) is inserted into the inner wall of the pressing rod (8), and the pressing rod (8) is slidably connected to the inner wall of the fixed shaft (7).

6. The organic waste crushing and fermentation device according to claim 1, characterized in that: The lower surface of the fixed plate (11) is fixedly connected to one end of the reset spring (10), and the other end of the reset spring (10) is fixedly connected to the inner wall of the bottom end of the moving groove (12).

7. The organic waste crushing and fermentation device according to claim 1, characterized in that: The guide rod (9) passes through and is slidably connected to the inner wall of the fixed plate (11).

8. An organic waste crushing and fermentation device according to claim 2, characterized in that: The limiting bolt (21) passes through and is threadedly connected to the inner wall of the scraper (16), and the side wall of the scraper (16) is in contact with the inner wall of the fermentation chamber (6).