A stone mill system suitable for millet shelling

Abstract

The utility model relates to a kind of millstone system suitable for millet hulling, to solve the deficiency of traditional millet shelling equipment in processing quality, production efficiency, energy consumption and adaptability etc. The system combines traditional millstone processing with modern automation technology, and adopts motor-driven stone mill and material turning claw rake to mill and crush millet at low temperature and low breakage rate. At the same time, by integrating screw transmission mechanism, automatic unloading mechanism and conveyor belt mechanism and other equipment, the full-automatic operation process from millet storage, unloading to milling and conveying is realized. The system not only retains the original nutritional components and taste of millet, but also significantly improves production efficiency, reduces labor cost and energy consumption. In addition, the system also has the advantages of easy maintenance, flexible adjustment and strong adaptability, and can be widely applied in millet processing industry to promote technological progress and industrial upgrading.

Description

Technical Field

[0001] This utility model relates to the field of food processing technology, specifically a stone mill system suitable for shelling millet. Background Technology

[0002] In the millet processing industry, although traditional purely mechanical millet shelling equipment has achieved mechanized production to a certain extent, its processing method often uses high-speed rotating metal shelling parts. This processing method is not only prone to generating high temperatures due to friction, affecting the nutritional components and taste of millet, but may also lead to a high millet breakage rate due to mechanical wear, affecting the quality of the final product.

[0003] On the other hand, traditional stone milling, with its advantages of low temperature and low breakage rate, excels in preserving the original nutrients and taste of millet. However, traditional stone milling equipment generally suffers from low automation and low efficiency. These devices often require a large amount of manual operation, which not only increases labor costs but also limits the expansion of production scale. At the same time, because the processing speed of traditional stone milling equipment is relatively slow, it is difficult to meet the high demands of the modern market for millet processing efficiency.

[0004] To address the aforementioned problems, this invention proposes an automated stone mill system suitable for millet hulling. This system combines the advantages of traditional stone mill processing with the strengths of modern automation technology. By employing a motor-driven stone roller and a turning rake, it achieves rapid and uniform milling of the millet while retaining the low-temperature and low-breakage characteristics of stone mill processing. Furthermore, this system incorporates automated equipment such as a screw conveyor mechanism, a feeding mechanism, and a conveyor belt mechanism, realizing a fully automated operation process from grain storage, feeding, milling to transmission, significantly improving production efficiency. Utility Model Content

[0005] In order to solve the problems of the prior art, this utility model provides a stone mill system suitable for shelling millet.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: a stone mill system suitable for shelling millet, comprising: The stone mill device is used to crush and husk millet and then transport it to the inside of the conveyor belt mechanism. The conveyor belt mechanism is used to transport the shelled millet to the next process. The feeding mechanism consists of a feeding cylinder, a feeding machine, and a feeding pipe. The feeding machine is installed at the output end of the feeding cylinder and is used to quantitatively transfer the millet inside the feeding cylinder. The bottom end of the output end of the feeding cylinder is connected to the feeding pipe, which is used to guide the millet that slides down into the stone mill device. The screw transmission mechanism consists of a transmission tube, a transmission motor, and a feeding port. The transmission tube is installed at the top of multiple feeding cylinders, and the transmission motor is installed at one end of the transmission tube. The output end of the transmission motor is fixedly connected to a screw, which is located on the inner wall of the transmission tube. The screw transmits millet by rotating. The bottom end of the transmission tube is provided with a feeding port, and the transmission tube is connected to the feeding cylinder through the feeding port. The grain storage bin is used to store large quantities of millet. The output end at the bottom is connected to the transmission pipe, and the millet is transferred to the feeding mechanism through the screw transmission mechanism.

[0007] In this embodiment, the preparation stage includes: Ensure that the stone mill, conveyor belt mechanism, feeding mechanism, screw conveyor mechanism, and grain storage silo are all in good working order and free from malfunctions or blockages.

[0008] Check that the connections between the components are secure, especially the connection between the feed pipe and the stone mill device, as well as the connection between the transmission pipe and the feed cylinder and the grain storage bin.

[0009] Start the conveyor belt mechanism and stone mill device, and preheat them to a suitable working state.

[0010] Install Xiaomi: Large quantities of millet were poured into grain storage silos to ensure an ample supply of millet.

[0011] Adjust the output end at the bottom of the grain storage silo to ensure a tight connection with the transmission tube, so that the millet can smoothly enter the screw transmission mechanism.

[0012] Xiaomi Transfer: Start the drive motor, and the screw begins to rotate inside the drive tube.

[0013] The millet is propelled by the rotational force of the screw, moving downwards along the transmission tube until it reaches the unloading port.

[0014] Through the feeding port, the millet is evenly distributed into each feeding cylinder.

[0015] Quantitative feeding: The feeding machine starts working, controlling the millet inside the feeding cylinder to flow out at a constant rate according to the preset quantitative parameters.

[0016] The millet slid down the feeding pipe into the stone mill device, ready for crushing and shelling.

[0017] Crushing and shelling: The stone mill device crushes the falling millet to remove its outer shell.

[0018] After being shelled, the millet is transported to a conveyor belt mechanism by a stone mill device.

[0019] Transfer to the next process: The conveyor belt mechanism starts, transporting the shelled millet to the next process for further processing (such as washing and grading).

[0020] Monitoring and maintenance: Throughout the entire usage process, the operating status of each component is continuously monitored to ensure that there are no abnormalities.

[0021] Regularly inspect and clean the stone mill device, conveyor belt mechanism, feeding mechanism, and screw transmission mechanism to prevent blockage or wear.

[0022] Adjust the feeder's quantitative parameters as needed to optimize production efficiency.

[0023] End operation: After the millet in the grain storage silo has been processed, the drive motor, stone mill device and conveyor belt mechanism are turned off.

[0024] Disconnect the power, clean up the area, and prepare for the next use.

[0025] The above is the complete process of using millet to remove its husk in this stone mill system.

[0026] In one specific embodiment, it further includes a support structure for supporting the installation of the feeding mechanism, the screw conveying mechanism, and the grain storage bin.

[0027] In one specific embodiment, the stone mill device consists of a motor, a support mechanism, a support plate frame, a stone mill disc, and a stone roller. The motor is installed inside the support mechanism, the support plate frame is installed at the top of the support mechanism, the stone mill disc is fixedly connected inside the support plate frame, a rotating shaft is fixedly connected to the output end of the motor, a retaining ring plate is fixedly connected to the outer edge of the top of the support plate frame, a support frame is installed on the inner side of the retaining ring plate, and a feeding trough frame is fixedly connected to the top of the support frame.

[0028] In one specific embodiment, stone rollers are fixedly connected to both sides of the shaft center for crushing and hulling millet, and turning claws are fixedly connected to both sides of the shaft center for turning the millet.

[0029] In one specific embodiment, the top of the support plate frame is provided with a limiting ring groove, a retaining ring plate is slidably connected inside the limiting ring groove, the inside of the rotating shaft is provided with a limiting groove, a sliding rod is slidably connected inside the limiting groove, and an elastic element is fixedly connected to the bottom of the inner wall of the limiting groove, with the top of the elastic element fixedly connected to the bottom of the sliding rod.

[0030] In one specific embodiment, an electric telescopic rod is fixedly connected to the bottom side of the support frame. The electric telescopic rod is located inside the limiting groove, and the output end of the electric telescopic rod is rotatably connected to the top of the sliding rod through a bearing.

[0031] In one specific embodiment, a scraper is fixedly connected to one side of the top of the sliding rod, a connecting rotating plate is fixedly connected to the bottom of the baffle plate, one side of the bottom of the sliding rod is rotatably connected to the connecting rotating plate through a bearing, and a discharge port is provided on one side of the support plate to guide millet output into the conveyor belt mechanism.

[0032] In this embodiment, the stone mill device is in operation; Start-up preparation: Ensure that the stone roller device and all its components (motor, support mechanism, support plate frame, stone roller, stone roller, turning claw, etc.) are in good condition and free from damage or malfunction.

[0033] Check that the connecting parts such as the electric telescopic rod, elastic element, sliding rod, and retaining ring are secure and that they can move normally during operation.

[0034] Start the motor and preheat it to ensure it runs smoothly.

[0035] Adjustment device: As needed, the position of the sliding rod in the limiting groove can be adjusted by using the electric telescopic rod, thereby adjusting the height of the feeding scraper and the connecting rotating plate to the highest position.

[0036] Ensure that the retaining ring plate slides smoothly within the limiting ring groove so that its position can be quickly adjusted when needed.

[0037] Start feeding materials: The screw conveyor mechanism is activated to transfer millet from the grain storage bin to the feeding mechanism, and then it falls into the stone mill pan through the feeding trough.

[0038] Adjust the feeding mechanism's quantitative parameters to ensure that millet falls into the millstone at an appropriate rate.

[0039] Crushing and shelling: After the motor starts, the shaft drives the stone roller and the turning rake to rotate. The stone roller crushes the millet and removes the husk; the turning rake turns the millet to ensure that each grain is crushed evenly.

[0040] Material discharge and conveying: After crushing, the electric telescopic rod operates, pushing the sliding rod downwards, which further drives the scraper to stick tightly to the stone mill disc. At the same time, it pushes the ring baffle down to below the stone mill disc. At this time, the scraped millet falls into the conveyor belt mechanism through the discharge port on one side of the support plate.

[0041] The conveyor belt mechanism starts, transferring the shelled millet to the next process for further processing.

[0042] Monitoring and maintenance: Throughout the entire usage process, continuously monitor the operating status of the stone mill device, especially the motor speed, the wear of the stone roller and the turning claw, and whether the movement of the feeding scraper and the connecting plate is smooth.

[0043] Regularly clean the residue on the stone mill, stone roller, and turning rake to prevent blockage or increased wear.

[0044] Adjust the length of the electric telescopic rod as needed to optimize the position of the scraper and connecting plate for material discharge.

[0045] End operation: After the millet in the grain storage silo has been processed, first shut down the screw conveyor mechanism and the feeding mechanism.

[0046] Then turn off the motor and conveyor belt mechanism, and disconnect the power supply.

[0047] Clean up the site and restore the stone roller device and its components to their initial state in preparation for the next use.

[0048] In one specific implementation, the number of stone mill devices, feeding mechanisms, and feeding ports are all set to be multiple and the same.

[0049] The beneficial effects of this utility model are as follows: 1. This utility model adopts the traditional stone mill processing method, which preserves the original nutrients and taste of millet and avoids nutrient loss and taste changes caused by high-temperature friction. By introducing modern automation technology, precise control and optimized operation of the stone mill device are achieved, further improving the processing quality. Overall, it has shown significant beneficial effects in improving processing quality, increasing production efficiency and automation, optimizing resource utilization, enhancing equipment adaptability and flexibility, and promoting technological progress and industrial upgrading in the industry. 2. Compared to the low efficiency of traditional stone mill devices, this system integrates motor drive, screw transmission, automated feeding, and conveyor belt equipment to achieve a fully automated operation process from millet storage and feeding to crushing and conveying, significantly improving production efficiency. The increased automation also reduces the frequency and intensity of manual operation, lowering labor costs, while simultaneously improving production safety and stability. 3. This system uses an electric drive, which is more environmentally friendly and energy-efficient compared to traditional fuel or steam drives. By optimizing the equipment structure and operating parameters, it maximizes the utilization of millet resources and reduces waste and losses during processing. Attached Figure Description

[0050] Figure 1 This is a schematic diagram of the overall system structure of this utility model.

[0051] Figure 2This is a schematic diagram of the overall structure of the stone mill device of this utility model.

[0052] Figure 3 This is a partial structural schematic diagram of the stone mill device of this utility model.

[0053] Figure 4 This is a schematic diagram of the extended state of the retaining ring plate in the stone mill device of this utility model.

[0054] Figure 5 This is a schematic diagram of the retracted state of the retaining ring plate in the stone mill device of this utility model.

[0055] Figure 6 This is a schematic diagram showing the connection between the rotating shaft, the retaining ring plate, and the feeding scraper of this utility model.

[0056] Figure 7 This is a schematic diagram of the connection structure between the rotating shaft and the sliding rod of this utility model.

[0057] Figures 1 to 7 The components are: 1. Stone mill device; 2. Conveyor belt mechanism; 3. Feeding mechanism; 4. Screw conveyor mechanism; 5. Grain storage bin; 6. Support structure. 10. Motor; 101. Rotating shaft; 1011. Limiting groove; 1012. Electric telescopic rod; 1013. Sliding rod; 1014. Elastic element; 11. Support mechanism; 12. Support plate frame; 121. Enclosure ring plate; 122. Support frame; 1221. Discharge chute frame; 123. Discharge port; 124. Limiting ring groove; 13. Stone millstone; 14. Stone roller; 15. Turning rake; 16. Discharge scraper; 17. Baffle ring plate; 171. Connecting rotating plate; 31. Feeding cylinder; 32. Feeding machine; 33. Feeding pipe; 41. Transmission pipe; 42. Transmission motor; 43. Feeding port. Detailed Implementation

[0058] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0059] like Figure 1The illustrated stone mill system for millet hulling includes: a stone mill device 1 for crushing and hulling millet and conveying it to a conveyor belt mechanism 2; a conveyor belt mechanism 2 for transporting the hulled millet to the next process; a feeding mechanism 3, consisting of a feeding cylinder 31, a feeding machine 32, and a feeding pipe 33, wherein the feeding machine 32 is installed at the output end of the feeding cylinder 31 for quantitatively feeding the millet inside the feeding cylinder 31, and the bottom end of the output end of the feeding cylinder 31 is connected to the feeding pipe 33 for guiding the millet sliding down into the stone mill device 1; and a screw conveying mechanism 4, consisting of a transmission... The feeding mechanism 3 consists of a pipe 41, a drive motor 42, and a feeding port 43. The drive pipe 41 is installed at the top of multiple feeding cylinders 31, and the drive motor 42 is installed at one end of the drive pipe 41. The output end of the drive motor 42 is fixedly connected to a screw, which is located on the inner wall of the drive pipe 41. The screw transfers millet by rotating. The bottom end of the drive pipe 41 is provided with a feeding port 43, through which the drive pipe 41 is connected and communicates with the feeding cylinders 31. The grain storage bin 5 is used to store a large amount of millet. The output end of the bottom end is connected to the drive pipe 41, and the millet is transferred to the inside of the feeding mechanism 3 through the screw transmission mechanism 4. The feeding mechanism 3, the screw transmission mechanism 4, and the grain storage bin 5 are further included.

[0060] like Figures 2 to 7 As shown, the stone mill device 1 consists of a motor 10, a support mechanism 11, a support plate frame 12, a stone mill disc 13, and a stone roller 14. The motor 10 is installed inside the support mechanism 11, the support plate frame 12 is installed at the top of the support mechanism 11, the stone mill disc 13 is fixedly connected inside the support plate frame 12, the output end of the motor 10 is fixedly connected to a rotating shaft 101, a retaining ring plate 121 is fixedly connected to the outer edge of the top of the support plate frame 12, a support frame 122 is installed on the inner side of the retaining ring plate 121, and a feeding trough frame 1221 is fixedly connected to the top of the support frame 122.

[0061] Stone rollers 14 are fixedly connected to both sides of the shaft 101 for crushing and hulling millet. Turning rakes 15 are also fixedly connected to both sides of the shaft 101 for turning the millet. A limiting ring groove 124 is provided at the top of the support frame 12, and a retaining ring plate 17 is slidably connected inside the limiting ring groove 124. A limiting groove 1011 is provided inside the shaft 101, and a sliding rod 1013 is slidably connected inside the limiting groove 1011. An elastic element 1014 is fixedly connected to the bottom of the inner wall of the limiting groove 1011, and the top of the elastic element 1014 is fixedly connected to the bottom of the sliding rod 1013. An electric telescopic rod 1012 is fixedly connected to the bottom side of the support frame 122. The electric telescopic rod 1012 is located inside the limiting groove 1011, and the output end of the electric telescopic rod 1012 is rotatably connected to the top of the sliding rod 1013 via a bearing. A scraper 16 is fixedly connected to the top side of the sliding rod 1013, and a connecting rotating plate 171 is fixedly connected to the bottom end of the baffle plate 17. The bottom side of the sliding rod 1013 is rotatably connected to the connecting rotating plate 171 through a bearing. A discharge port 123 is provided on one side of the support plate 12 for guiding millet output into the conveyor belt mechanism 2.

[0062] The number of stone mill device 1, feeding mechanism 3 and feeding port 43 are all set to be multiple, and the number of them are matched with each other.

[0063] Example: An automated stone mill system for shelling millet, the system mainly includes a stone mill device 1, a conveyor belt mechanism 2, a feeding mechanism 3, a screw conveyor mechanism 4, a grain storage bin 5, and a support structure 6. The following is a detailed description of each part: Stone roller device: There are multiple units, each of which includes a motor 10, a support mechanism 11, a support plate frame 12, a stone mill plate 13, and a stone roller 14.

[0064] The motor 10 is installed inside the support mechanism 11 and drives the stone roller 14 to rotate through the rotating shaft to crush and remove the shells from the millet.

[0065] The support frame 12 is fixedly connected to the top of the support mechanism 11, and has a stone mill 13 inside, with the stone roller 14 located above the stone mill 13.

[0066] Stone rollers 13 and turning claws 15 are fixedly connected to both sides of the shaft 101. The turning claws 15 are used to turn the millet to ensure uniform crushing.

[0067] The top of the support plate 12 is provided with a limiting ring groove 124, and a baffle plate 17 is slidably connected inside. The baffle plate 17 is raised to block the millet being crushed, and lowered to facilitate the output of millet.

[0068] The rotating shaft 101 has a limiting groove 1011 inside, and the sliding rod 1013 slides in the limiting groove 1011. The top end is connected to the feeding scraper 16, and the bottom end is connected to the retaining ring plate 17 through the connecting rotating plate 171.

[0069] The electric telescopic rod 1012 is located in the limiting groove 1011, and the height position of the scraper 16 and the baffle plate 17 can be adjusted by controlling the height of the sliding rod 1012.

[0070] Conveyor belt mechanism: Used to receive the hulled millet output from the stone mill device 1 and transfer it to the next process.

[0071] Feeding mechanism: It consists of a feeding cylinder 31, a feeding machine 32, and a feeding pipe 33, and there are multiple of them, matching the number of stone mill devices 1.

[0072] The feeding machine 32 is installed at the output end of the feeding cylinder 31 and is used to quantitatively transfer millet to the feeding tube 33.

[0073] The feed pipe guides the millet into the stone mill device 1.

[0074] Screw transmission mechanism: It consists of a transmission tube 41, a transmission motor 42, and a feeding port 33.

[0075] The transmission tube 41 is installed at the top of multiple feeding cylinders 31. The transmission motor 42 drives the screw to rotate inside the transmission tube, and transmits millet to the feeding mechanism 3.

[0076] Grain storage warehouse: It is used to store a large amount of millet, and the bottom output end is connected to the screw transmission mechanism 4.

[0077] Supporting structure: Used for installing and supporting the feeding mechanism 3, the screw transmission mechanism 4, and the grain storage bin 5.

[0078] Operating procedures Start-up preparation: Check that all components are securely installed and that the motor 10, drive motor 42, electric telescopic rod 1012, etc. are working properly.

[0079] Adjust the electric telescopic rod 1012 so that the scraper 16 and the retaining ring 17 are in their initial high positions.

[0080] Start feeding materials: Start the screw conveyor mechanism 4 to transfer the millet in the grain storage bin 5 to the feeding mechanism 3.

[0081] Adjust the quantitative parameters of the feeder 32 to ensure that millet falls into the millet mill 1 at an appropriate rate, with a predetermined amount of millet.

[0082] Crushing and shelling: Start the motor 10, and the rotating shaft 101 drives the stone roller 14 and the turning claw 15 to rotate, crushing and turning the millet.

[0083] After being crushed, the millet falls into the conveyor belt mechanism 2 through the discharge port 123.

[0084] Transmission and collection: Conveyor belt 2 is activated, transporting the shelled millet to the next process for collection or further processing.

[0085] Monitoring and maintenance: Throughout the entire process, the operating status of the system is continuously monitored, especially the speed of motor 10, the transmission efficiency of the screw, and the quantitative accuracy of the feeding mechanism.

[0086] Regularly inspect the wear and tear of each component and replace or repair any damaged parts promptly.

[0087] End operation: After the millet in the grain storage silo 5 has been processed, first shut down the screw conveyor mechanism 4 and the feeding mechanism 3.

[0088] Then turn off motor 10 and conveyor belt mechanism 2, and disconnect the power supply.

[0089] Clean up the site and restore all components to their initial state, ready for the next use.

[0090] This utility model provides an automated stone mill system for millet hulling. Through integrated design and automated operation, it significantly improves the efficiency and quality of millet hulling. This system is not only suitable for millet processing but can also be adjusted and improved as needed to adapt to the hulling requirements of other grains. In practical applications, this system has advantages such as simple operation, convenient maintenance, and high efficiency, and possesses high practical value and market potential.

[0091] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A stone mill system suitable for shelling millet, characterized in that, include: The stone mill device (1) is used to crush and remove the husks from millet and transport it to the inside of the conveyor belt mechanism (2); Conveyor belt mechanism (2) is used to transport the shelled millet to the next process; The feeding mechanism (3) consists of a feeding cylinder (31), a feeding machine (32) and a feeding pipe (33). The feeding machine (32) is installed at the output end of the feeding cylinder (31) and is used to quantitatively transfer millet inside the feeding cylinder (31). The bottom end of the output end of the feeding cylinder (31) is connected to the feeding pipe (33) to guide the millet that slides down into the stone mill device (1). The screw transmission mechanism (4) consists of a transmission tube (41), a transmission motor (42), and a feeding port (43). The transmission tube (41) is installed at the top of multiple feeding cylinders (31). The transmission motor (42) is installed at one end of the transmission tube (41). The output end of the transmission motor (42) is fixedly connected to a screw. The screw is located on the inner wall of the transmission tube (41) and transmits millet by rotation. The bottom end of the transmission tube (41) is provided with a feeding port (43). The transmission tube (41) is connected to the feeding cylinder (31) through the feeding port (43). The grain storage bin (5) is used to store a large amount of millet. The output end set at the bottom is connected to the transmission pipe (41) and the millet is transmitted to the inside of the feeding mechanism (3) through the screw transmission mechanism (4).

2. The stone mill system for shelling millet according to claim 1, characterized in that: It further includes a support structure (6) for installing and supporting the feeding mechanism (3), the screw transmission mechanism (4) and the grain storage bin (5).

3. The stone mill system for shelling millet according to claim 1, characterized in that: The stone mill device (1) consists of a motor (10), a support mechanism (11), a support plate frame (12), a stone mill disc (13), and a stone roller (14). The motor (10) is installed inside the support mechanism (11). The support plate frame (12) is installed at the top of the support mechanism (11). The stone mill disc (13) is fixedly connected inside the support plate frame (12). The output end of the motor (10) is fixedly connected to a rotating shaft (101). A retaining ring plate (121) is fixedly connected to the outer edge of the top of the support plate frame (12). A support frame (122) is installed on the inner side of the retaining ring plate (121). A feeding trough frame (1221) is fixedly connected to the top of the support frame (122).

4. A stone mill system for shelling millet according to claim 3, characterized in that: Stone rollers (14) are fixedly connected to both sides of the shaft (101) for crushing and removing the husks from millet. Turning claws (15) are fixedly connected to both sides of the shaft (101) for turning the millet.

5. A stone mill system for shelling millet according to claim 4, characterized in that: The top of the support plate frame (12) is provided with a limiting ring groove (124), and a retaining ring plate (17) is slidably connected inside the limiting ring groove (124). The inside of the rotating shaft (101) is provided with a limiting groove (1011), and a sliding rod (1013) is slidably connected inside the limiting groove (1011). An elastic element (1014) is fixedly connected to the bottom of the inner wall of the limiting groove (1011), and the top of the elastic element (1014) is fixedly connected to the bottom of the sliding rod (1013).

6. A stone mill system for shelling millet according to claim 5, characterized in that: An electric telescopic rod (1012) is fixedly connected to the bottom side of the support frame (122). The electric telescopic rod (1012) is located inside the limiting groove (1011). The output end of the electric telescopic rod (1012) is rotatably connected to the top end of the sliding rod (1013) through a bearing.

7. A stone mill system for shelling millet according to claim 6, characterized in that: A scraper (16) is fixedly connected to one side of the top of the sliding rod (1013), and a connecting rotating plate (171) is fixedly connected to the bottom of the baffle plate (17). The bottom of the sliding rod (1013) is rotatably connected to the connecting rotating plate (171) through a bearing. A discharge port (123) is provided on one side of the support plate frame (12) to guide millet output into the conveyor belt mechanism (2).

8. A stone mill system for shelling millet according to claim 1, characterized in that: The number of the stone mill device (1), the feeding mechanism (3) and the feeding port (43) are all set to be multiple and the number is the same.

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