A soybean grinder

Abstract

The utility model relates to soybean processing technical field discloses a soybean grinder, including support seat, the top fixedly connected with frame of support seat, the outside fixed connection of frame has main mill frame, the outside rotatoryly connected with deputy mill frame of main mill frame, the outside of frame is provided with grinding mechanism, the outside of deputy mill frame is provided with feeding mechanism, the feeding mechanism includes feeding pipe, the outside fixed connection of feeding pipe is in the outside of deputy mill frame, the outside fixed connection of feeding pipe has the placing frame, the outside fixed connection of feeding pipe has the chute frame. In the utility model, the sliding plate is driven to slide in the chute frame through the adjustment handle, thereby changing the position of the baffle between the placing frame and the feeding pipe, and further realizing the effect that the opening size of the feeding pipe is changed, thereby realizing the effect that the soybeans are uniformly put into the device, and the influence of the large amount of soybeans on the grinding disc is reduced.

Description

Technical Field

[0001] This utility model relates to the field of soybean processing technology, and in particular to a soybean crusher. Background Technology

[0002] Soybeans are an important crop with wide applications in many fields such as food, feed, and chemicals. In the food industry, soybeans can be used to make soy products such as tofu, soy milk, dried tofu, and soybean paste. The production process of these soy products often requires grinding soybeans to extract their nutrients or facilitate subsequent processing.

[0003] A search revealed Chinese Patent Publication No. CN219964975U, which discloses a soybean paste raw material crusher. The crusher includes a housing, a rotating shaft located in the middle of the housing with a crushing disc mounted at its bottom, a crushing platform in the middle of the housing that cooperates with the crushing disc, and crushing blocks on the outer wall of the crushing disc and the inner wall of the crushing platform. It also includes a material control component within the housing, a screen at the bottom of the housing, a vibration component at the bottom of the crushing disc, and material return components on both sides of the housing. This invention allows for the even feeding of soybeans through the material control component, crushing of the soybeans by the crushing disc and platform, sieving of the crushed soybeans by the screen, and re-feeding of any incompletely crushed soybeans back into the housing for further crushing. This improves the crushing effect and prevents incompletely crushed soybeans from mixing with the crushed soybeans, thus enhancing the overall crushing efficiency.

[0004] The aforementioned technology can uniformly feed soybeans through the set material control components. However, it is impossible to achieve uniform and constant speed feeding of soybeans into the grinder during use. This non-uniform and non-constant feeding method causes soybeans to be intermittently conveyed to the grinding disc. When the soybean supply is not timely, the grinding disc will run idle. Idle running not only wastes electricity and consumes a lot of energy for no reason, increasing production costs, but also accelerates the wear of the grinding disc. Frequent idle running causes the local temperature of the grinding disc to be too high, which aggravates the wear of its surface material, shortens the service life of the grinding disc, and thus increases equipment maintenance costs and downtime, seriously affecting the continuity and efficiency of production. Therefore, a soybean grinder is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a soybean crusher, which aims to improve the problem in the prior art where the brush plate is designed in a straight line. When it comes into contact with garbage on the road in front, the garbage is difficult to push to the sides and thus accumulates on the front side of the brush plate, making it difficult for the device to move forward normally.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A soybean grinder includes a support base, a frame fixedly connected to the top of the support base, a main grinding frame fixedly connected to the outside of the frame, a secondary grinding frame rotatably connected to the outside of the main grinding frame, a grinding mechanism disposed outside the frame, and a feeding mechanism disposed outside the secondary grinding frame. The feeding mechanism includes a feeding pipe fixedly connected to the outside of the secondary grinding frame, a placement frame fixedly connected to the outside of the feeding pipe, a chute frame fixedly connected to the outside of the feeding pipe, a sliding plate slidably connected inside the chute frame, an adjusting handle rotatably connected to the outside of the sliding plate, a limiting plate fixedly connected to the outside of the feeding pipe, a baffle fixedly connected to the outside of the sliding plate, a conveying assembly fixedly connected to the outside of the placement frame, and an injection assembly fixedly connected to the outside of the secondary grinding frame. Through the above technical solution: when the soybean crusher is working, the soybeans are first placed in the placement frame. By adjusting the control slide, the slide slides in the chute frame, thereby driving the baffle to move, thereby controlling the opening and closing degree of the feeding pipe, adjusting the amount of soybeans entering the feeding pipe, turning on the conveying component, and the soybeans move along the feeding pipe under its action. The injection component is started, injecting water into the auxiliary grinding frame.

[0007] As a further description of the above technical solution: The grinding mechanism includes a drive motor, which is fixedly connected to the outside of the frame. A connecting shaft is fixedly connected to the output end of the drive motor. A grinding disc is rotatably connected to the outside of the connecting shaft. A main grinding groove is fixedly connected to the outside of the grinding disc. A fixing member is fixedly connected to the outside of the connecting shaft. A grinding plate is fixedly connected to the fixing member, which is close to the outside of the connecting shaft. Multiple main grinding teeth are fixedly connected to the outside of the grinding plate. Multiple secondary grinding teeth are fixedly connected to the outside of the grinding plate. A secondary grinding groove is fixedly connected to the inside of the secondary grinding frame. A feeding port is fixedly connected to the bottom of the main grinding frame. A discharge port is fixedly connected to the bottom of the feeding port. Through the above technical solution: the drive motor starts, drives the connecting shaft to rotate, and then the fixed part rotates. The grinding plate on the fixed part also rotates. The main grinding teeth and auxiliary grinding teeth on the grinding plate participate in the grinding. The soybeans enter the sealed environment formed by the main grinding frame and the auxiliary grinding frame. Under the combined action of the main grinding groove, the main grinding teeth and the auxiliary grinding teeth and the auxiliary grinding groove, the material is finely ground. The ground material is discharged from the discharge port through the feed port at the bottom of the main grinding frame.

[0008] As a further description of the above technical solution: The connecting shaft is externally rotatably connected to the inside of the frame and the main grinding frame, and the grinding disc is externally fixedly connected to the inside of the frame and the main grinding frame. Through the above technical solution: during operation, the power drives the connecting shaft to rotate within the frame and the main grinding frame, while the grinding disc remains stationary within the frame and the main grinding frame. Soybeans enter the space formed by the frame and the main grinding frame, and the rotating connecting shaft causes the material to move relative to the grinding disc, thereby achieving grinding.

[0009] As a further description of the above technical solution: The grinding plate is rotatably connected to the inside of the main grinding groove, and the grinding plate is rotatably connected to the inside of the auxiliary grinding groove. The above technical solution involves the main grinding groove and the auxiliary grinding groove working together, with the grinding plate rotating inside both. After the material enters, it is ground under the action of the rotating grinding plate.

[0010] As a further description of the above technical solution: The external part of the feeding port is fixedly connected to the inside of the support base, and the external part of the discharge port is fixedly connected to the inside of the support base; Through the above technical solution: the ground soybeans flow out from the feed port and leave the equipment through the discharge port inside the support base.

[0011] As a further description of the above technical solution: The conveying assembly includes a feeding motor, which is externally fixedly connected to the feeding pipe on the side away from the auxiliary grinding frame. The output end of the feeding motor is fixedly connected to a auger conveyor, and the external part of the auger conveyor is rotatably connected to the inside of the feeding pipe. Through the above technical solution: when the conveying component is working, the feeding motor starts, and its output end drives the auger conveyor to rotate, conveying the material in the feeding pipe, and the material can be sent from the feeding pipe to the auxiliary grinding frame.

[0012] As a further description of the above technical solution: The injection assembly includes an injection port, the bottom of which is fixedly connected to the top of the auxiliary grinding frame, and a filter plate is fixedly connected to the bottom of the injection port. The filter plate is externally fixedly connected to the inside of the auxiliary grinding frame. Through the above technical solution: when the injection component is working, the material enters from the injection port, is filtered by the filter plate to remove impurities, and then falls into the auxiliary grinding frame, ensuring that the material entering the auxiliary grinding frame is pure and conducive to subsequent processing.

[0013] As a further description of the above technical solution: The baffle is externally slidably connected to the inside of the placement frame, and the adjustment handle is externally snapped onto the top of the limiting plate; The above technical solution works as follows: when the adjustment handle is operated, it engages with the top of the limiting plate to change its position, causing the baffle to slide inside the placement frame.

[0014] This utility model has the following beneficial effects: 1. In this utility model, by adjusting the handle, the sliding plate is moved within the groove frame, thereby changing the position of the baffle between the placement frame and the feeding pipe, thus changing the size of the feeding pipe opening. This adjusts the flow rate of soybeans and precisely controls the amount of soybeans entering the grinding chamber. At the same time, the limiting plate is fixed outside the feeding pipe, providing support for the adjusting handle and ensuring the stable and reliable position of the sliding plate. This ensures the stability and reliability of the entire feeding adjustment process, thereby achieving uniform feeding of soybeans into the device and reducing the impact of a large amount of soybeans on the grinding disc.

[0015] 2. In this utility model, the main grinding groove fixed on the outside of the grinding disc cooperates with the secondary grinding groove fixed inside the secondary grinding frame to provide space for grinding soybeans. Multiple main grinding teeth and secondary grinding teeth are fixed on the outside of the grinding plate. The main grinding teeth increase the friction and shearing force between the soybeans and the grinding plate, while the secondary grinding teeth assist the main grinding teeth in grinding the soybeans. During the rotation of the grinding plate, the soybeans are squeezed and ground between the grinding disc, the grinding plate, and the main and secondary grinding grooves, breaking them into smaller particles and further refining them. This solves the problems of low efficiency and uneven grinding in traditional grinding methods, and achieves efficient and fine soybean grinding. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of a soybean grinder proposed in this utility model; Figure 2 This is a schematic diagram of the frame structure of a soybean grinder proposed in this utility model; Figure 3 This is a schematic diagram of the structure of the grinding disc in a soybean grinder according to the present invention. Figure 4 This is a schematic diagram of the feeding pipe of a soybean grinder proposed in this utility model; Figure 5 This is a schematic diagram of the auxiliary grinding frame of a soybean grinder proposed in this utility model.

[0017] Legend: 1. Support base; 2. Frame; 3. Main grinding frame; 4. Grinding mechanism; 41. Drive motor; 42. Connecting shaft; 43. Grinding disc; 44. Main grinding groove; 45. Fixing component; 46. Grinding plate; 47. Main grinding teeth; 48. Secondary grinding teeth; 49. Secondary grinding groove; 410. Feeding port; 411. Discharge port; 5. Secondary grinding frame; 6. Feeding mechanism; 61. Feeding pipe; 62. Placement frame; 63. Slide frame; 64. Limiting plate; 65. Conveying assembly; 651. Feeding motor; 652. Auger conveyor; 66. Slide plate; 67. Adjusting handle; 68. Baffle; 69. Injection assembly; 691. Injection port; 692. Filter plate. Detailed Implementation

[0018] 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.

[0019] Reference Figure 1 , Figure 4 and Figure 5This utility model provides an embodiment of a soybean grinder, including a support base 1. The support base 1 serves as the basic support structure for the entire soybean grinder, providing a stable mounting platform for other components, ensuring the equipment remains stable during operation, and reducing the impact of vibration and shaking on the equipment. A frame 2 is fixedly connected to the top of the support base 1, providing a stable mounting space to ensure the normal operation of the equipment. A main grinding frame 3 is fixedly connected to the outside of the frame 2. The main grinding frame 3 is one of the main working areas in the grinding process, providing a relatively enclosed space for grinding soybeans and preventing soybeans and powder from splashing out during the grinding process. A secondary grinding frame 5 is rotatably connected to the outside of the main grinding frame 3. The secondary grinding frame 5 cooperates with the main grinding frame 3 to form a grinding chamber, providing a grinding space for grinding soybeans. A relatively enclosed space, with a grinding mechanism 4 installed outside the frame 2 and a feeding mechanism 6 installed outside the auxiliary grinding frame 5. The feeding mechanism 6 includes a feeding pipe 61, which is fixedly connected to the outside of the auxiliary grinding frame 5. The feeding pipe 61 serves as a channel for transporting soybeans from the placement frame 62 to the auxiliary grinding frame 5, ensuring that the soybeans can smoothly enter the grinding chamber. The placement frame 62 is fixedly connected to the outside of the feeding pipe 61, and is used to store the soybeans to be ground, providing a temporary storage space for the soybeans. A chute frame 63 is fixedly connected to the outside of the feeding pipe 61, and the chute frame 63 provides a track for the sliding plate 66, allowing the sliding plate 66 to slide smoothly within the chute frame 63, thereby regulating the flow rate of soybeans in the feeding pipe 61. The internal sliding connection of the grinding chamber includes a slide plate 66. The slide plate 66 slides within the slide frame 63, changing the opening size of the feeding pipe 61 to regulate the soybean flow rate and control the amount of soybeans entering the grinding chamber. An adjustment handle 67 is externally connected to the slide plate 66, controlling its sliding and facilitating adjustment of the soybean flow rate within the feeding pipe 61. A limiting plate 64 is externally fixed to the feeding pipe 61, supporting the adjustment handle 67 and fixing the slide plate 66 in place. A baffle 68 is externally fixed to the slide plate 66, moving with it to further control the soybean flow rate within the feeding pipe 61, preventing too much or too little soybeans from entering the grinding chamber. The placement frame 62 is externally fixed to... The system includes a conveying assembly 65, which comprises a feeding motor 651. The feeding motor 651 serves as the power source for the conveying assembly 65, providing power for the rotation of the auger conveyor 652. The feeding motor 651 is externally and fixedly connected to the feeding pipe 61, i.e., the side away from the auxiliary grinding frame 5. The output end of the feeding motor 651 is fixedly connected to the auger conveyor 652. Driven by the feeding motor 651, the auger conveyor 652 transports soybeans from the placement frame 62 along the feeding pipe 61 to the auxiliary grinding frame 5, achieving automatic soybean conveying. The auger conveyor 652 is externally and rotatably connected to the inside of the feeding pipe 61. An injection assembly 69 is externally and fixedly connected to the auxiliary grinding frame 5. The injection assembly 69 includes an injection port 691, which provides a channel for water injection into the auxiliary grinding frame 5.The bottom of the inlet 691 is fixedly connected to the top of the auxiliary grinding frame 5. A filter plate 692 is fixedly connected to the bottom of the inlet 691. The filter plate 692 filters the injected water to prevent impurities from entering the auxiliary grinding frame 5, thus ensuring grinding quality. The filter plate 692 is externally fixedly connected to the inside of the auxiliary grinding frame 5. Specifically, the soybeans to be ground are poured into the placement frame 62 for temporary storage. The equipment is started, the conveying component 65 operates, and the feeding motor 651 is powered on. Its output shaft drives the fixed auger conveyor 652 to rotate synchronously. The spiral blades push the soybeans in the placement frame 62, causing them to move along the inner wall of the feeding pipe 61 towards the auxiliary grinding frame 5. The adjustable handle 67 can be controlled. The adjustable handle 67 is connected to the slide plate 66. When the adjustable handle 67 is controlled, the slide plate 66 slides linearly in the chute frame 63. Changing the position of the baffle 68 in the feeding pipe 61 changes the size of the opening between the placement frame 62 and the feeding pipe 61, thereby precisely controlling the soybean flow rate. At the same time, the injection component 69 works, and the operator injects water into the auxiliary grinding frame 5 through the injection port 691. The filter plate 692 at the bottom of the injection port 691 filters impurities in the water.

[0020] Reference Figure 2 , Figure 3 and Figure 5The grinding mechanism 4 includes a drive motor 41, which serves as the power source for the entire grinding mechanism 4, providing power for the rotation of the connecting shaft 42 and the grinding disc 43 to grind the soybeans. The drive motor 41 is externally fixedly connected to the outside of the frame 2, and the output end of the drive motor 41 is fixedly connected to the connecting shaft 42. The connecting shaft 42 transmits the power of the drive motor 41 to the grinding plate 46, ensuring that they can rotate synchronously with the drive motor 41 to grind the soybeans. The grinding disc 43 is rotatably connected to the outside of the connecting shaft 42. The grinding disc 43 cooperates with the grinding plate 46, and during the rotation of the grinding plate 46, it squeezes and grinds the soybeans, breaking them into smaller particles. The outside of the grinding disc 43... A main grinding groove 44 is fixedly connected, providing space for the rotation of the grinding plate 46 and guiding the movement of soybeans between the grinding disc 43 and the grinding plate 46, ensuring that the soybeans are thoroughly ground. A fixing member 45 is fixedly connected to the outside of the connecting shaft 42, used to fix the grinding plate 46, firmly connecting the grinding plate 46 to the connecting shaft 42, ensuring that the grinding plate 46 will not loosen or shift during rotation. The fixing member 45 is fixedly connected to the outer side of the connecting shaft 42, and the grinding plate 46 is one of the key components for grinding soybeans. It cooperates with the grinding disc 43 and the auxiliary grinding groove 49 to grind the soybeans into powder during rotation. Multiple main grinding teeth 47 are fixedly connected externally. The main grinding teeth 47 increase the friction and shearing force between the grinding plate 46 and the soybeans. They cooperate with the main grinding groove 44 to improve grinding efficiency, allowing the soybeans to be crushed into smaller particles more quickly. Multiple auxiliary grinding teeth 48 are fixedly connected externally to the grinding plate 46. The auxiliary grinding teeth 48 assist the main grinding teeth 47 in grinding the soybeans. They cooperate with the main grinding groove 44 to further refine the soybean particles and improve the grinding quality. A secondary grinding groove 49 is fixedly connected internally to the secondary grinding frame 5. The secondary grinding groove 49 cooperates with the main grinding groove 44 to provide space for grinding the soybeans and further improve the fineness of the soybean grinding. A feed port 410 is fixedly connected to the bottom of the main grinding frame 3. The feed port 410 discharges the ground soybeans. Soybean powder is guided from the main grinding frame 3 to the discharge port 411 to achieve smooth material discharge. The bottom of the discharge port 410 is fixedly connected to the discharge port 411. The discharge port 411 serves as the final outlet for soybean powder, discharging the ground soybean powder from the equipment for easy collection and subsequent processing. The external of the connecting shaft 42 is rotatably connected to the inside of the frame 2 and the main grinding frame 3. The external of the grinding disc 43 is fixedly connected to the inside of the frame 2 and the main grinding frame 3. The external of the grinding plate 46 is rotatably connected to the inside of the main grinding groove 44. The external of the grinding plate 46 is rotatably connected to the inside of the auxiliary grinding groove 49. The external of the discharge port 410 is fixedly connected to the inside of the support base 1. The external of the discharge port 411 is fixedly connected to the inside of the support base 1. Specifically, when soybeans enter the auxiliary grinding frame 5, the grinding mechanism 4 starts, and the drive motor 41 drives the connecting shaft 42 to rotate. The connecting shaft 42 passes through the frame 2 and the main grinding frame 3. The fixing part 45 fixes the grinding plate 46 on the connecting shaft 42 so that it rotates synchronously. The main grinding teeth 47 and auxiliary grinding teeth 48 outside the grinding plate 46 cooperate with the main grinding groove 44 on the grinding disc 43. The soybeans are crushed into small particles by compression and shearing force between the grinding disc 43 and the grinding plate 46. The auxiliary grinding groove 49 inside the auxiliary grinding frame 5 works with the main grinding groove 44 to further refine the soybeans. The ground powder gathers at the bottom of the main grinding frame 3 and slides down through the inclined feed port 410 and is discharged from the equipment through the discharge port 411.

[0021] Working principle: Soybeans to be ground are stored in a placement frame 62, which is fixed outside the feeding pipe 61, providing temporary storage space for soybean conveying. A feeding motor 651, serving as the power source for the conveying assembly 65, is fixed on the side of the feeding pipe 61 away from the auxiliary grinding frame 5. The output end of the feeding motor 651 is connected to a auger conveyor 652. Driven by the feeding motor 651, the auger conveyor 652 rotates, conveying the soybeans in the placement frame 62 along the feeding pipe 61 to the auxiliary grinding frame 5, thus achieving automatic soybean conveying. A sliding frame 63 is fixed outside the feeding pipe 61, and a sliding plate 66 slides within the sliding frame 63. The sliding plate 66 is rotatably connected to an adjusting handle 67. The position of the slide plate 66 within the chute frame 63 can be controlled by adjusting the handle 67, thereby changing the position of the baffle 68 between the placement frame 62 and the feeding pipe 61, thus changing the opening size of the feeding pipe 61, adjusting the flow rate of soybeans, and controlling the amount of soybeans entering the grinding chamber. The limiting plate 64 is fixed outside the feeding pipe 61 to support the adjusting handle 67 and fix the position of the slide plate 66. The injection port 691 of the injection component 69 is fixed to the top of the auxiliary grinding frame 5 to provide a water injection channel for the auxiliary grinding frame 5. The bottom of the injection port 691 is connected to the filter plate 692, which is fixed inside the auxiliary grinding frame 5 to filter the injected water and prevent impurities from entering the auxiliary grinding frame 5. The drive motor 41, serving as the power source for the grinding mechanism 4, is fixed outside the frame 2. The output end of the drive motor 41 is connected to the connecting shaft 42, transmitting power to the connecting shaft 42. The connecting shaft 42 rotates inside the frame 2 and the main grinding frame 3. The connecting shaft 42 is externally connected to the grinding disc 43, which works in conjunction with the grinding plate 46. A main grinding groove 44 is fixed to the outside of the grinding disc 43, providing space for the rotation of the grinding plate 46. The connecting shaft 42 fixes the grinding plate 46 via a fixing member 45, allowing the grinding plate 46 to rotate synchronously with the connecting shaft 42. Multiple main grinding teeth 47 and auxiliary grinding teeth 48 are fixed to the outside of the grinding plate 46. The main grinding teeth 47 increase the friction between the grinding plate 46 and the soybeans. With shear force, the auxiliary grinding teeth 48 assist the main grinding teeth 47 in grinding soybeans. The auxiliary grinding frame 5 has an internal auxiliary grinding groove 49 that cooperates with the main grinding groove 44 to provide space for grinding soybeans. During the rotation of the grinding plate 46, soybeans are squeezed and ground between the grinding disc 43, the grinding plate 46, the main grinding groove 44, and the auxiliary grinding groove 49, breaking them into smaller particles and further refining them. The ground soybean powder is discharged from the feed port 410 at the bottom of the main grinding frame 3 under the action of gravity. The feed port 410 guides the soybean powder to the discharge port 411, which serves as the final outlet to discharge the ground soybean powder from the equipment for easy collection and subsequent processing.

[0022] 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. A soybean grinder, comprising a support base (1), characterized in that: The top of the support base (1) is fixedly connected to a frame (2), the outside of the frame (2) is fixedly connected to a main grinding frame (3), the outside of the main grinding frame (3) is rotatably connected to a secondary grinding frame (5), a grinding mechanism (4) is provided on the outside of the frame (2), and a feeding mechanism (6) is provided on the outside of the secondary grinding frame (5). The feeding mechanism (6) includes a feeding pipe (61), which is fixedly connected to the outside of the auxiliary grinding frame (5). A placement frame (62) is fixedly connected to the outside of the feeding pipe (61). A chute frame (63) is fixedly connected to the outside of the feeding pipe (61). A slide plate (66) is slidably connected inside the chute frame (63). An adjustment handle (67) is rotatably connected to the outside of the slide plate (66). A limiting plate (64) is fixedly connected to the outside of the feeding pipe (61). A baffle (68) is fixedly connected to the outside of the slide plate (66). A conveying assembly (65) is fixedly connected to the outside of the placement frame (62). An injection assembly (69) is fixedly connected to the outside of the auxiliary grinding frame (5).

2. The soybean grinder according to claim 1, characterized in that: The grinding mechanism (4) includes a drive motor (41), which is fixedly connected to the outside of the frame (2). The output end of the drive motor (41) is fixedly connected to a connecting shaft (42). A grinding disc (43) is rotatably connected to the outside of the connecting shaft (42). A main grinding groove (44) is fixedly connected to the outside of the grinding disc (43). A fixing member (45) is fixedly connected to the outside of the connecting shaft (42). A grinding plate (46) is fixedly connected to the outside of the fixing member (45), which is close to the outside of the connecting shaft (42). Multiple main grinding teeth (47) are fixedly connected to the outside of the grinding plate (46). Multiple auxiliary grinding teeth (48) are fixedly connected to the outside of the grinding plate (46). An auxiliary grinding groove (49) is fixedly connected to the inside of the auxiliary grinding frame (5). A feeding port (410) is fixedly connected to the bottom of the main grinding frame (3). A discharge port (411) is fixedly connected to the bottom of the feeding port (410).

3. A soybean grinder according to claim 2, characterized in that: The external connecting shaft (42) is rotatably connected to the inside of the frame (2) and the main grinding frame (3), and the external grinding disc (43) is fixedly connected to the inside of the frame (2) and the main grinding frame (3).

4. A soybean grinder according to claim 2, characterized in that: The grinding plate (46) is rotatably connected to the inside of the main grinding groove (44) and the grinding plate (46) is rotatably connected to the inside of the auxiliary grinding groove (49).

5. A soybean grinder according to claim 2, characterized in that: The external of the discharge port (410) is fixedly connected to the inside of the support base (1), and the external of the discharge port (411) is fixedly connected to the inside of the support base (1).

6. A soybean grinder according to claim 1, characterized in that: The conveying assembly (65) includes a feeding motor (651), which is externally fixedly connected to the feeding pipe (61) on the side away from the auxiliary grinding frame (5). The output end of the feeding motor (651) is fixedly connected to a auger conveyor (652), which is externally rotatably connected to the inside of the feeding pipe (61).

7. A soybean grinder according to claim 1, characterized in that: The injection assembly (69) includes an injection port (691), the bottom of which is fixedly connected to the top of the auxiliary grinding frame (5), and a filter plate (692) is fixedly connected to the bottom of the injection port (691). The filter plate (692) is fixedly connected to the inside of the auxiliary grinding frame (5).

8. A soybean grinder according to claim 1, characterized in that: The baffle (68) is externally slidably connected to the inside of the placement frame (62), and the adjustment handle (67) is externally snapped onto the top of the limiting plate (64).

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