Flour mill
By introducing adjustment components and threaded connections into the grinding mill, the problem of traditional grinding mills being unable to adjust the grinding fineness has been solved, achieving multi-scenario applicability and improved user experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-04-07
AI Technical Summary
Traditional grinding mills cannot adjust the grinding fineness according to usage needs, resulting in limited application scenarios for the ground products.
A grinding mill including an adjustment component was designed. The gap between the grinding core and the conical grinding head is adjusted by the threaded engagement of the coarse and fine adjustment ring with the grinding core support. Combined with motor drive and bearing support, it provides stable power and grinding adjustment.
This technology enables the grinding mill to be applicable to multiple scenarios, meeting the grinding needs of different ingredients, improving the practicality of the equipment and user experience, extending its service life, and reducing noise and vibration.
Smart Images
Figure CN224086869U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of grinding technology, and more specifically, it relates to a grinding mill. Background Technology
[0002] A grinder is a common household kitchen appliance used to grind various ingredients, grains, seasonings, and even some traditional Chinese medicines, transforming granular raw materials into powder to better meet diverse cooking and health needs. When in use, a grinder typically operates by a motor driving blades to rotate rapidly. The rotating blades quickly cut and pulverize the ingredients, gradually refining the granular raw materials. However, traditional grinders usually operate in a fixed grinding mode with a simple internal structure, relying solely on a single rotation speed and fixed blade spacing. This prevents the grind size from being adjusted according to user needs, resulting in a limited range of applications for the ground products. Utility Model Content
[0003] To address the aforementioned technical problems, this utility model provides a grinding mill that solves the problem that traditional grinding mills cannot adjust the grinding fineness according to usage requirements, resulting in a limited range of finished products.
[0004] The purpose and effect of this utility model's grinding mill are achieved by the following specific technical means:
[0005] A grinding mill includes a main cavity formed by a first outer shell and a second outer shell detachably connected. A motor and a bean hopper are disposed within the main cavity. An adjustment component is disposed at the bottom of the bean hopper. A rotating shaft is disposed at the bottom of the motor and passes through the bean hopper and the adjustment component. A conical grinding head is disposed at one end of the rotating shaft and is located within the adjustment component. A filter chamber assembly is also disposed within the main cavity, and the bean hopper communicates with the filter chamber assembly through the adjustment component.
[0006] According to one effective embodiment, the adjustment assembly includes a coarseness adjustment ring and a grinding core support. The coarseness adjustment ring is located below the bean hopper. A limiting groove is formed on the outer side of the bean hopper. Multiple sets of limiting blocks are provided inside the coarseness adjustment ring. The limiting blocks are locked in the limiting groove. The coarseness adjustment ring is rotatably connected to the bean hopper. The grinding core support is located below the bean hopper and is rotatably connected to the coarseness adjustment ring.
[0007] According to an effective embodiment, a movable cavity is formed between the coarseness adjustment ring and the bean hopper, the grinding core support is located in the movable cavity, the outer side of the grinding core support is spirally provided with multiple sets of first threads, the coarseness adjustment ring is inclinedly provided with second threads corresponding to the first threads, the second threads are inclined at the same angle as the first threads, the second threads are engaged between the first threads and the adjacent first threads, and the grinding core support can move up and down in the movable cavity.
[0008] According to an effective embodiment, a grinding core is provided below the bean hopper, one end of the grinding core is fixed in the grinding core support, both the grinding core and the grinding core support are tubular, both ends of the inner side of the grinding core are flared, and the larger diameter is set outward; the conical grinding head is located in the grinding core, the conical grinding head is conical, the top diameter is smaller than the bottom diameter, and a gap is formed between the grinding core and the conical grinding head.
[0009] According to an effective embodiment, the motor is located above the bean hopper, the motor is installed inside the first outer shell, and the bean hopper is positioned between the first outer shell and the second outer shell; a fixing sleeve is provided inside the bean hopper, and multiple sets of bearings are provided inside the fixing sleeve, with the rotating shaft passing through the multiple sets of bearings.
[0010] According to an effective embodiment, the rotating shaft is a square rotating shaft, one end of the rotating shaft is provided with a grinding core liner, and the conical grinding head is sleeved on the grinding core liner.
[0011] According to one effective embodiment, a spring is provided between the fixed sleeve and the conical grinding head, the spring is sleeved on the rotating shaft, and the bottom of the filter chamber assembly is configured as a funnel shape.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] 1. This device features an adjustment component at the bottom of the bean hopper. This component is crucial for adjusting the grinding fineness. The fineness adjustment ring is rotatably connected to the bean hopper via a limiting block and a limiting groove. The grinding core support is located within the movable cavity, and the first thread on the outer side of the grinding core support engages with the second thread inside the fineness adjustment ring. When the fineness adjustment ring is rotated, the grinding core support moves up and down within the movable cavity due to the consistent inclination angle of the threads. One end of the grinding core is secured within the grinding core support, and the conical grinding head is located inside the grinding core. The gap between the grinding core and the conical grinding head changes as the grinding core support moves, allowing for adjustment of the grinding fineness according to usage requirements. This not only increases the practicality of the grinder, enabling it to adapt to the grinding needs of various ingredients, but also expands the applicable scenarios, allowing it to perform effectively in both home kitchens and small food processing facilities.
[0014] 2. The motor is mounted above the bean hopper, driving the conical grinding head to rotate via a square shaft, providing stable and powerful power. The bean hopper is securely fitted between the first and second outer shells, ensuring not only a firm installation but also easy disassembly and cleaning, thus maintaining the hygiene of the equipment. Multiple bearings within the fixing sleeve effectively reduce friction during shaft rotation, extending the equipment's lifespan. The funnel-shaped bottom of the filter chamber assembly allows for smooth collection of the ground powder, preventing it from scattering. The spring design provides cushioning, reducing vibration and noise during operation, creating a quieter and more comfortable operating environment, and comprehensively enhancing the user experience. Attached Figure Description
[0015] Figure 1 This is a cross-sectional view of the assembled version of this utility model;
[0016] Figure 2 This is a cross-sectional view of the soybean hopper and regulating components;
[0017] Figure 3 This is a schematic diagram of the coarseness adjustment ring;
[0018] Figure 4 This is a schematic diagram of the structure of the grinding core support;
[0019] Figure 5 This is a structural diagram of the motor, bean hopper, and filter assembly.
[0020] In the diagram, the correspondence between component names and their corresponding reference numerals is as follows:
[0021] 11. First outer shell; 12. Second outer shell; 21. Motor; 22. Bean hopper; 23. Rotating shaft; 24. Conical grinding head; 25. Grinding core support; 26. First thread; 27. Fixing sleeve; 28. Grinding core liner; 29. Grinding core; 31. Filter chamber assembly; 41. Coarse and fine adjustment ring; 42. Limiting groove; 43. Limiting block; 44. Second thread. Detailed Implementation
[0022] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the technical solution of this utility model, but should not be used to limit the scope of protection of this utility model.
[0023] Example:
[0024] like Figures 1 to 5As shown, this utility model provides a grinding mill, including a main body cavity formed by a first outer shell 11 and a second outer shell 12 detachably connected. Within this main body cavity, a motor 21 and a bean hopper 22 are each housed, with the motor 21 positioned at the top to provide power for the entire grinding process. A rotating shaft 23 is connected to the bottom of the main body cavity, passing through the bean hopper 22 and extending to an adjustment assembly at the bottom of the bean hopper 22. A conical grinding head 24 is mounted at one end of the rotating shaft 23, and the conical grinding head 24 is located within the adjustment assembly. The adjustment assembly at the bottom of the bean hopper 22 effectively changes the fineness of the grinding. Additionally, a filter chamber assembly 31 is also provided within the main body cavity, and the bean hopper 22 is interconnected with the filter chamber assembly 31 via the adjustment assembly. When the grinding mill starts working, the motor 21 starts, driving the rotating shaft 23 to rotate, which in turn causes the conical grinding head 24 to rotate as well. The material to be ground enters the regulating component from the bean hopper 22. Under the action of the regulating component, it is ground by the conical grinding head 24 and becomes powder. Then it enters the filter chamber component 31 through the regulating component to complete the entire grinding process.
[0025] like Figures 2 to 4 As shown, the adjustment assembly comprises a coarseness adjustment ring 41 and a grinding core support 25. The coarseness adjustment ring 41 is located below the bean hopper 22. A limiting groove 42 is formed on the outer side of the bean hopper 22, and multiple sets of limiting blocks 43 are set inside the coarseness adjustment ring 41. The limiting blocks 43 can be engaged in the limiting groove 42, thus forming a rotatable connection between the coarseness adjustment ring 41 and the bean hopper 22. The grinding core support 25 is also located below the coarseness adjustment ring 41, similarly rotatably connected to the coarseness adjustment ring 41. This allows the grinding core support 25 to change accordingly with the rotation of the coarseness adjustment ring 41 throughout the adjustment process.
[0026] A movable cavity is formed between the coarseness adjustment ring 41 and the bean hopper 22, and the grinding core support 25 is placed inside this movable cavity. Multiple sets of first threads 26 are spirally distributed on the outer side of the grinding core support 25. Correspondingly, second threads 44 are inclinedly arranged inside the coarseness adjustment ring 41. The inclination angle of the second threads 44 is exactly the same as that of the first threads 26, and the second threads 44 are engaged between the first threads 26 and adjacent first threads 26. When the user rotates the coarseness adjustment ring 41, due to the engagement relationship between the threads, the grinding core support 25 moves up and down within the movable cavity, effectively adjusting the grinding coarseness of the mill and meeting different user needs.
[0027] In the structure of this grinding mill, a grinding core 29 is installed below the soybean hopper 22. One end of the grinding core 29 is fitted inside the grinding core support 25. Both the grinding core 29 and the grinding core support 25 are tubular. Both ends of the inner side of the grinding core 29 are funnel-shaped, with the larger diameter facing outwards. A conical grinding head 24 is installed inside the grinding core 29. The conical grinding head 24 is conical, with its top diameter smaller than its bottom diameter, naturally creating a gap between the grinding core 29 and the conical grinding head 24. The material is ground between these two parts, and the size of the gap affects the grinding effect.
[0028] The motor 21 is positioned above the bean hopper 22 and is installed inside the first outer casing 11. The bean hopper 22 is secured between the first outer casing 11 and the second outer casing 12, ensuring its stability. Inside the bean hopper 22, a fixing sleeve 27 is provided, containing multiple sets of bearings. The rotating shaft 23 passes through these bearings, and the smoother operation of the rotating shaft 23 is achieved through the support of the bearings, reducing friction during operation.
[0029] like Figure 2 , Figure 5 As shown, the rotating shaft 23 is a square shaft, with a grinding core liner 28 installed at one end. The conical grinding head 24 is fitted onto the grinding core liner 28. When the motor 21 starts, the rotating shaft 23 begins to rotate, which in turn drives the grinding core liner 28 and the conical grinding head 24 fitted onto it to rotate together, providing power support for the grinding operation. In addition, a spring is installed between the fixed sleeve 27 and the conical grinding head 24, and the spring is fitted onto the rotating shaft 23. The spring plays a buffering role to a certain extent, making the entire grinding process more stable. The bottom of the filter chamber assembly 31 is designed in a funnel shape, which allows the ground powder to be collected smoothly, avoiding the powder from scattering everywhere and facilitating subsequent powder processing.
[0030] The specific usage and function of this embodiment are as follows:
[0031] During use, the fineness of the grinding can be adjusted according to actual needs. Locate the fineness adjustment ring 41 below the bean hopper 22, hold it by hand and rotate it slowly. Because the limiting block 43 inside the fineness adjustment ring 41 engages with the limiting groove 42 on the outside of the bean hopper 22, rotation will drive the grinding core support 25 rotatably connected to it. Furthermore, because the first thread 26 on the outside of the grinding core support 25 engages with the second thread 44 inside the fineness adjustment ring 41, as the fineness adjustment ring 41 rotates, the grinding core support 25 will move up and down within the movable cavity, thereby changing the gap between the grinding core 29 and the conical grinding head 24 to achieve the desired grinding fineness setting.
[0032] Open the bean hopper 22 and pour in the material to be ground. Then, turn on the power to the grinder and start the motor 21. The motor 21 is located above the bean hopper 22 and is installed inside the first outer casing 11. After it starts running, it will drive the rotating shaft 23 connected to the bottom to rotate. The rotating shaft 23 is a square shaft, with a grinding core liner 28 at one end. The conical grinding head 24, which is fitted on the grinding core liner 28, will also rotate accordingly.
[0033] The material enters the bottom regulating component from the bean hopper 22 and is ground between the grinding core 29 and the conical grinding head 24. The inner ends of the grinding core 29 are funnel-shaped with the larger diameter facing outwards, facilitating the introduction and removal of the material. The ground material, now in powder form, enters the filter chamber assembly 31, which is connected to it, through the regulating component. The bottom of the filter chamber assembly 31 is funnel-shaped, allowing the powder to be collected smoothly and preventing it from scattering. Throughout the grinding process, the bearing inside the fixed sleeve 27 ensures smooth operation of the rotating shaft 23, and the spring fitted between the fixed sleeve 27 and the conical grinding head 24 on the rotating shaft 23 acts as a buffer, making the grinding process more stable. After grinding is complete, the power is turned off, and the ground powder can be removed from the filter chamber assembly 31.
[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments.
Claims
1. A grinding mill, comprising a main cavity formed by a first outer shell (11) and a second outer shell (12) detachably connected, characterized in that: The main body cavity is equipped with a motor (21) and a bean hopper (22). An adjustment component is provided at the bottom of the bean hopper (22). A rotating shaft (23) is provided at the bottom of the motor (21). The rotating shaft (23) passes through the bean hopper (22) and the adjustment component. A conical grinding head (24) is provided at one end of the rotating shaft (23). The conical grinding head (24) is located inside the adjustment component. A filter chamber assembly (31) is also provided in the main body cavity. The bean hopper (22) is connected to the filter chamber assembly (31) through the adjustment component.
2. A grinding mill according to claim 1, characterized in that: The adjustment assembly includes a coarseness adjustment ring (41) and a grinding core support (25). The coarseness adjustment ring (41) is located below the bean hopper (22). A limiting groove (42) is provided on the outer side of the bean hopper (22). Multiple sets of limiting blocks (43) are provided inside the coarseness adjustment ring (41). The limiting blocks (43) are locked in the limiting groove (42). The coarseness adjustment ring (41) is rotatably connected to the bean hopper (22). The grinding core support (25) is located below the bean hopper (22) and is rotatably connected to the coarseness adjustment ring (41).
3. A grinding mill according to claim 2, characterized in that: A movable cavity is formed between the coarseness adjustment ring (41) and the bean hopper (22). The grinding core support (25) is located in the movable cavity. Multiple sets of first threads (26) are spirally arranged on the outer side of the grinding core support (25). A second thread (44) is inclinedly arranged in the coarseness adjustment ring (41) corresponding to the first thread (26). The second thread (44) has the same inclination angle as the first thread (26). The second thread (44) is engaged between the first thread (26) and the adjacent first thread (26). The grinding core support (25) can move up and down in the movable cavity.
4. A grinding mill according to claim 2, characterized in that: A grinding core (29) is provided below the bean hopper (22). One end of the grinding core (29) is fitted into the grinding core support (25). Both the grinding core (29) and the grinding core support (25) are tubular. Both ends of the inner side of the grinding core (29) are flared, with the larger diameter facing outward. The conical grinding head (24) is located inside the grinding core (29). The conical grinding head (24) is conical, with the top diameter smaller than the bottom diameter. A gap is formed between the grinding core (29) and the conical grinding head (24).
5. A grinding mill according to claim 1, characterized in that: The motor (21) is located above the bean hopper (22). The motor (21) is installed inside the first outer shell (11). The bean hopper (22) is positioned between the first outer shell (11) and the second outer shell (12). A fixing sleeve (27) is provided inside the bean hopper (22). Multiple sets of bearings are provided inside the fixing sleeve (27). The rotating shaft (23) passes through the multiple sets of bearings.
6. A grinding mill according to claim 5, characterized in that: The rotating shaft (23) is a square rotating shaft, and a grinding core liner (28) is provided at one end of the rotating shaft (23). The conical grinding head (24) is sleeved on the grinding core liner (28).
7. A grinding mill according to claim 6, characterized in that: A spring is provided between the fixed sleeve (27) and the conical grinding head (24), and the spring is sleeved on the rotating shaft (23). The bottom of the filter chamber assembly (31) is configured as a funnel shape.