A yeast stirring device

By designing the movable shaft, abutment block, and inverted conical structure of the yeast mixing device, the problems of low mixing efficiency and inconvenient material discharge in traditional yeast production are solved, achieving efficient and uniform yeast mixing and simple material handling.

CN224270807UActive Publication Date: 2026-05-26ZHONGYANG JIUYI CULTURE LANJIN BUSINESS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHONGYANG JIUYI CULTURE LANJIN BUSINESS CO LTD
Filing Date
2025-07-04
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

In traditional yeast production, the mixing of plant materials relies on manual operation, which is inefficient and makes it difficult to ensure uniform mixing. Existing equipment also makes material discharge inconvenient, affecting the quality of the yeast.

Method used

A yeast mixing device was designed, which adopts a movable shaft and abutment structure. The discharge and mixing of materials are controlled by the moving and rotating device, the discharge of materials is guided by the inverted cone structure, the speed is controlled by the spiral conveyor shaft, and the inner wall is cleaned by the scraper, so as to achieve simple and efficient material processing.

Benefits of technology

It improves the efficiency and uniformity of yeast mixing, simplifies the material discharge process, ensures food safety, and has a simple structure that is easy to use.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model belongs to the field of yeast mixing technology and discloses a yeast mixing device. Existing mixing devices discharge the mixed material by turning the mixing tank over, which requires opening the lid each time the material is discharged, making it inconvenient to use. The technical solution of this utility model includes a tank, with evenly distributed support legs fixedly installed on the bottom of the outer wall of the tank. A feed inlet is opened on the top surface of the tank, and a discharge pipe is fixedly installed on the bottom of the tank. A movable shaft is set inside the tank, and a moving device is set on the tank to drive the movable shaft to move up and down. A stop block is rotatably installed at the lower end of the tank, and a rotating device is set inside the tank to drive the movable shaft to rotate. Evenly distributed mixing shafts are fixedly installed on the outer periphery of the movable shaft. This utility model includes a stop block, which can control the opening and closing of the discharge pipe, thereby controlling the discharge of material. The discharge method is simpler and more convenient to use.
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Description

Technical Field

[0001] This utility model belongs to the field of yeast stirring technology, specifically relating to a yeast stirring device. Background Technology

[0002] In the process of making plant-based yeast, people mainly use common plants such as Polygonum hydropiper, Verbena officinalis, and Lophatherum gracile. These plants are not only easy to obtain, but also rich in nutrients suitable for the growth of microorganisms. These plants are crushed and mixed according to traditional methods and fermented under certain conditions to form active yeast.

[0003] In the process of making plant-based yeast, the above-mentioned plants need to be dried and ground into powder, and then mixed with yeast starter and rice powder in a certain proportion. Traditional stirring methods often rely on manual operation, which is inefficient and makes it difficult to guarantee the uniformity of mixing, thus affecting the quality of the yeast.

[0004] In the prior art, Chinese patent with publication number CN222709547U discloses a mixing and stirring device for plant yeast raw materials. This prior art discharges the mixed material by turning the mixing tank over, and the cover needs to be opened each time the material is discharged, which is inconvenient to use. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, the purpose of this utility model is to provide a yeast stirring device. This yeast stirring device is equipped with a stop block, which can control the opening and closing of the discharge pipe, thereby controlling the discharge of materials. The discharge method is simpler and more convenient to use.

[0006] The technical solution adopted by this yeast stirring device to solve its technical problem is as follows:

[0007] A yeast mixing device is provided, including a tank body. The bottom of the outer wall of the tank body is fixedly installed with evenly distributed support legs. The top surface of the tank body is provided with a feed port. The bottom of the tank body is fixedly installed with a discharge pipe. A movable shaft is provided inside the tank body. A moving device is provided on the tank body to drive the movable shaft to move up and down. A stop block is rotatably installed at the lower end of the tank body. A rotating device is provided inside the tank body to drive the movable shaft to rotate. Evenly distributed stirring shafts are fixedly installed on the outer periphery of the movable shaft.

[0008] Furthermore, the bottom of the tank has an inverted conical structure.

[0009] Furthermore, a feed hopper is fixedly installed at the feed inlet.

[0010] Furthermore, the lower end of the movable shaft passes through the abutment block and is rotatably connected, and a spiral conveying shaft is fixedly installed at the lower end of the movable shaft.

[0011] Furthermore, the moving device includes a moving plate and an electric push rod. The fixed end of the electric push rod is fixedly connected to the top surface of the tank, the movable end of the electric push rod is fixedly connected to the bottom surface of the moving plate, and the upper end of the movable shaft is rotatably connected to the bottom surface of the moving plate.

[0012] Furthermore, scrapers are provided on both sides of the tank body. The upper part of the opposite surface of the scrapers rotates through a connecting plate. The top surface of the connecting plate is rotatably connected to the top surface of the inner wall of the tank body. The movable shaft passes through the connecting plate and is clearance-fitted. A one-way bearing is fixedly installed in the through hole of the connecting plate. A sliding block structure with a groove is provided between the inner wall of the one-way bearing and the movable shaft.

[0013] Furthermore, the rotating device includes a motor, a first gear, and a second gear. The motor is fixedly installed on the top surface of the tank, the first gear is fixedly installed on the output shaft of the motor, and the second gear is rotatably installed on the top surface of the tank. The movable shaft passes through the mounting hole of the second gear and is clearance-fitted. A sliding groove and slider structure is provided between the outer circumference of the movable shaft and the mounting hole of the second gear, and the first gear meshes with the second gear.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. This utility model exemplifies a yeast stirring device. This utility model is used for stirring yeast. The materials used in this utility model meet food processing standards. First, a moving device controls the downward movement of the movable shaft, allowing a stop block to block the discharge pipe. Second, raw materials are added to the tank through the inlet. Third, a rotating device drives the movable shaft to rotate, which in turn drives the stirring shaft to mix the materials. Finally, the moving device drives the movable shaft to move upward, thereby moving the stop block upward, allowing the materials in the tank to be discharged along the discharge pipe. Compared with existing technologies, this utility model is equipped with a stop block that controls the opening and closing of the discharge pipe, thus controlling the discharge of materials. The discharge method is simpler and more convenient to use.

[0016] 2. The yeast mixing device of this utility model has an inverted conical structure that can guide the mixed material and facilitate the material to be discharged from the discharge pipe.

[0017] 3. In this utility model example, a yeast mixing device has a feed hopper that can aggregate materials, making it easier to add materials into the tank.

[0018] 4. In a yeast mixing device according to this utility model, the rotation of the screw conveyor shaft can drive the material to flow downward along the discharge pipe and be discharged. By controlling the rotation speed of the screw conveyor shaft, the discharge speed of the material can be controlled.

[0019] 5. The yeast stirring device of this utility model can drive the moving plate to move up and down by controlling the electric push rod to move upward, and the moving plate to move up and down can drive the movable shaft to move up and down. The moving device has a simple structure and is easy to use.

[0020] 6. In this utility model example, a yeast stirring device drives a movable shaft to rotate slowly in the opposite direction via a rotating device. This, in turn, drives a connecting plate to rotate in the opposite direction via a sliding block structure. This, in turn, drives a scraper to rotate, thereby cleaning the inner wall of the tank. When the rotating device drives the movable shaft to rotate rapidly in the forward direction, the stirring shaft can quickly stir the material.

[0021] 7. The yeast stirring device of this utility model, when the motor is turned on, the output shaft of the motor can drive the first gear to rotate, and then drive the movable shaft to rotate through the second gear and the sliding block structure. The structure of this rotating device is simple and easy to use. Attached Figure Description

[0022] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0023] Figure 1 This is a schematic diagram of the structure of this utility model.

[0024] In the diagram: 1. Tank body 1; 2. Support leg; 3. Inlet; 4. Discharge pipe; 5. Movable shaft; 6. Abutment block; 7. Stirring shaft; 8. Feed hopper; 9. Screw conveyor shaft; 10. Moving plate; 11. Electric actuator; 12. Scraper; 13. Connecting plate; 14. Motor. Detailed Implementation

[0025] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings.

[0026] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0027] like Figure 1As shown, a yeast mixing device includes a tank 1. Evenly distributed support legs 2 are fixedly installed on the bottom of the outer wall of the tank 1. A feed inlet 3 is opened on the top surface of the tank 1. A discharge pipe 4 is fixedly installed on the bottom of the tank 1. A movable shaft 5 is installed inside the tank 1, with its upper end penetrating the tank 1 and fitting with a clearance. A moving device is installed on the tank 1 to drive the movable shaft 5 up and down. A stop block 6 is rotatably installed at the lower end of the tank 1, which can completely block the discharge pipe 4. The upper part of the stop block 6 has a conical structure, allowing material to slide off the top surface of the stop block 6. The outer surface of the stop block 6 is made of food-grade rubber material to ensure food safety and the sealing between the stop block 6 and the discharge pipe 4. A rotating device is installed inside the tank 1 to drive the movable shaft 5. A power supply is installed on the tank 1 to power the moving device and the rotating device. Evenly distributed stirring shafts 7 are fixedly installed on the outer periphery of the movable shaft 5. This invention is used for stirring yeast. The materials used in this invention meet food processing standards. First, a moving device controls the downward movement of the movable shaft 5, causing the stop block 6 to block the discharge pipe 4. Second, raw materials are added to the tank 1 through the feed inlet 3. Third, a rotating device drives the movable shaft 5 to rotate, which in turn drives the stirring shaft 7 to stir and mix the materials. Finally, the moving device drives the movable shaft 5 upward, which in turn moves the stop block 6 upward, allowing the materials in the tank 1 to be discharged along the discharge pipe 4. Compared with existing technologies, this invention features a stop block 6, which controls the opening and closing of the discharge pipe 4, thus controlling the discharge of materials. The discharge method is simpler and more convenient to use.

[0028] like Figure 1 As shown, in a further preferred embodiment, the bottom of the tank body 1 has an inverted conical structure, and the lower part of the abutment block 6 has an inverted frustum-shaped structure, so that the abutment block 6 fits snugly against the bottom of the tank body 1. The inverted conical structure can guide the mixed material, facilitating the discharge of the material from the discharge pipe 4.

[0029] like Figure 1 As shown, in a further preferred embodiment, a feed hopper 8 is fixedly installed at the feed inlet 3. The feed hopper 8 can collect materials, making it easier to add materials into the tank 1.

[0030] like Figure 1 As shown, in a further preferred embodiment, the lower end of the movable shaft 5 passes through the abutment block 6 and is rotatably connected thereto, and a screw conveyor shaft 9 is fixedly installed at the lower end of the movable shaft 5. The rotation of the screw conveyor shaft 9 can drive the material to flow downward along the discharge pipe 4 and be discharged. By controlling the rotation speed of the screw conveyor shaft 9, the discharge speed of the material can be controlled.

[0031] like Figure 1As shown, in a further preferred embodiment, the moving device includes a moving plate 10 and an electric actuator 11. The electric actuator 11 is controlled by an electric actuator controller. The fixed end of the electric actuator 11 is fixedly connected to the top surface of the tank 1, and the movable end of the electric actuator 11 is fixedly connected to the bottom surface of the moving plate 10. The upper end of the movable shaft 5 is rotatably connected to the bottom surface of the moving plate 10. By controlling the electric actuator 11 to move upward, the moving plate 10 can be driven to move up and down. The up and down movement of the moving plate 10 can drive the movable shaft 5 to move up and down. This moving device has a simple structure and is easy to use.

[0032] like Figure 1 As shown, in a further preferred embodiment, scrapers 12 are provided on both sides inside the tank 1. The upper part of the opposite surface of the scrapers 12 rotates through a connecting plate 13. The top surface of the connecting plate 13 is rotatably connected to the top surface of the inner wall of the tank 1. Specifically, the connection is made through a bearing. The movable shaft 5 passes through the connecting plate 13 and is clearance-fitted. A one-way bearing is fixedly installed in the through hole of the connecting plate 13. When the inner ring of the one-way bearing rotates in the reverse direction, the one-way bearing can be locked. When the screw conveyor shaft 9 rotates in the reverse direction, the material can be discharged. A sliding groove and slider structure is provided between the inner wall of the one-way bearing and the movable shaft 5. The sliding groove is opened on the outer periphery of the movable shaft 5, and the slider is fixedly installed on the inner wall of the one-way bearing. The slider is located in the sliding groove and slides. The rotating device drives the movable shaft 5 to rotate slowly in the reverse direction, which in turn drives the connecting plate 13 to rotate in the reverse direction through the sliding groove and slider structure, which in turn drives the scraper 12 to rotate, thereby cleaning the inner wall of the tank 1. When the rotating device drives the movable shaft 5 to rotate rapidly in the forward direction, the stirring shaft 7 can quickly stir the material.

[0033] like Figure 1 As shown, in a further preferred embodiment, the rotating device includes a motor 14, a first gear, and a second gear. The motor 14 is controlled by a motor controller, thereby controlling the direction and speed of the motor 14. The motor 14 is fixedly mounted on the top surface of the tank 1. The first gear is fixedly mounted on the output shaft of the motor 14, and the second gear is rotatably mounted on the top surface of the tank 1. Specifically, the rotatable mounting method is through bearing mounting. The movable shaft 5 passes through the mounting hole of the second gear and is clearance-fitted. A sliding block structure is provided between the outer circumference of the movable shaft 5 and the mounting hole of the second gear. The sliding block is fixedly mounted in the mounting hole of the second gear, and the sliding block is located in the sliding groove on the outer circumference of the movable shaft 5 and is slidably fitted. The first gear meshes with the second gear. When the motor 14 is turned on, the output shaft of the motor 14 can drive the first gear to rotate, which in turn can drive the movable shaft 5 to rotate through the second gear and the sliding block structure. This rotating device has a simple structure and is easy to use.

[0034] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

[0035] Apart from the technical features described in the specification, the other technical features are known to those skilled in the art. To highlight the innovative features of this utility model, the other technical features will not be described in detail here.

Claims

1. A koji stirring device, comprising a tank body (1), the outer wall bottom of the tank body (1) is fixedly installed with uniformly distributed supporting legs (2), the top surface of the tank body (1) is provided with a feeding port (3), and the bottom of the tank body (1) is fixedly installed with a discharge pipe (4), characterized in that, A movable shaft (5) is installed inside the tank (1). A moving device is installed on the tank (1) to drive the movable shaft (5) to move up and down. A stop block (6) is rotatably installed at the lower end of the tank (1). A rotating device is installed inside the tank (1) to drive the movable shaft (5) to rotate. A uniformly distributed stirring shaft (7) is fixedly installed on the outer periphery of the movable shaft (5).

2. The koji stirring device according to claim 1, wherein The bottom of the tank (1) is an inverted cone shape.

3. The koji stirring device according to claim 1, wherein A feed hopper (8) is fixedly installed at the feed inlet (3).

4. The koji stirring device according to any one of claims 1 to 3, characterized by The lower end of the movable shaft (5) passes through the abutment block (6) and is rotatably connected. A spiral conveyor shaft (9) is fixedly installed at the lower end of the movable shaft (5).

5. A yeast stirring device according to any one of claims 1-3, characterized in that, The moving device includes a moving plate (10) and an electric push rod (11). The fixed end of the electric push rod (11) is fixedly connected to the top surface of the tank (1), the movable end of the electric push rod (11) is fixedly connected to the bottom surface of the moving plate (10), and the upper end of the movable shaft (5) is rotatably connected to the bottom surface of the moving plate (10).

6. A yeast stirring device according to any one of claims 1-3, characterized in that, The tank (1) is provided with scrapers (12) on both sides. The upper part of the opposite surface of the scrapers (12) rotates through the connecting plate (13). The top surface of the connecting plate (13) is rotatably connected to the top surface of the inner wall of the tank (1). The movable shaft (5) passes through the connecting plate (13) and is clearance-fitted. A one-way bearing is fixedly installed in the through hole of the connecting plate (13). A sliding groove slider structure is provided between the inner wall of the one-way bearing and the movable shaft (5).

7. A yeast stirring device according to any one of claims 1-3, characterized in that, The rotating device includes a motor (14), a first gear and a second gear. The motor (14) is fixedly installed on the top surface of the tank (1). The first gear is fixedly installed on the output shaft of the motor (14). The second gear is rotatably installed on the top surface of the tank (1). The movable shaft (5) passes through the mounting hole of the second gear and is clearance-fitted. A sliding block structure is provided between the outer periphery of the movable shaft (5) and the mounting hole of the second gear. The first gear meshes with the second gear.