A probiotic mixing device for cake production

Abstract

This application relates to the field of material handling equipment technology, and in particular to a probiotic mixing device for pastry production. The device includes a working platform with a grinding device and a stirring device on the platform. The grinding device includes a grinding container with a rotating rod driven by a first drive motor inside. A detachable scraper is connected to the lower end of the rotating rod, and the scraper abuts against a grinding plate with perforated sieves. The bottom of the grinding container has a conical grinding outlet and a transfer tray, achieving efficient grinding and discharging. The stirring device includes a stirring container with a central stirring rod and a spiral stirring rod driven by a second drive motor inside. The spiral stirring rod revolves around the central stirring rod and simultaneously contacts the inner wall of the container through rollers, enhancing the uniformity of stirring. The device also includes a height adjustment mechanism and a protective net auxiliary structure to improve stability and safety. This application has a compact structure, and the grinding and stirring functions work together, making it suitable for the efficient processing of various materials.

Description

Technical Field

[0001] This application relates to the field of material handling equipment technology, and in particular to a probiotic mixing device for pastry production. Background Technology

[0002] In the food processing industry, grinding and mixing materials are crucial processes that determine product quality and production efficiency. However, traditional grinding devices often suffer from several structural design flaws: traditional grinding equipment typically uses fixed scrapers, resulting in uneven particle size distribution; mixing devices often employ limited movement patterns for their components—for example, ordinary spiral mixers only achieve simple rotational mixing, leading to insufficient mixing and dead zones. Furthermore, the scrapers are difficult to replace and clean, and the equipment is not adaptable to the installation requirements of different production lines, increasing maintenance costs. Utility Model Content

[0003] To overcome the shortcomings of the prior art, this application provides a probiotic mixing device for pastry production. The device features a grinding mechanism that uses a rotating rod to drive a scraper, which, in conjunction with the grinding plate, ensures uniform particle size. The uniquely designed spiral stirring rod can rotate around the central stirring rod, achieving all-round, dead-angle-free mixing of materials. The detachable scraper facilitates quick replacement, maintenance, and cleaning, improving the practicality and production efficiency of the equipment.

[0004] This application is achieved through the following technical solution:

[0005] A probiotic mixing device for pastry production includes a working platform with a grinding device and a stirring device. The grinding device includes a grinding container with a rotating rod inside. The rotating rod is powered by a first drive motor and has a detachably connected scraper at its lower end. A grinding plate that abuts against the scraper is located in the middle of the grinding container, and the grinding plate has several sieve holes. A grinding outlet is located at the lower end of the grinding container, and a transfer tray is located below the grinding outlet. The stirring device includes a stirring container with a central stirring rod in the middle and a spiral stirring rod on the side of the central stirring rod, which can rotate horizontally around the central stirring rod.

[0006] By adopting the above technical solution, in the grinding device, the first drive motor drives the rotating rod to rotate, and the scraper, which is detachably connected to the lower end of the rotating rod, rotates accordingly. The scraper abuts against the grinding plate, and during rotation, the scraper applies pressure and shear force to the material, which, together with the sieve holes on the grinding plate, achieves grinding of the material. The sieve holes can screen out materials that meet the particle size requirements, while materials that do not meet the particle size standard continue to be ground in the grinding container, ensuring that the ground material has a uniform and fine particle size, meeting the fineness requirements of different production processes. The central stirring rod is driven to rotate by the second drive motor, and the side spiral stirring rod rotates around the central stirring rod. This unique stirring method causes the material to form a three-dimensional flow in the mixing container. During the rotation of the spiral stirring rod, it can not only drive the material to make a circular motion, but also generate axial thrust, causing the material to circulate and tumble up and down; the central stirring rod further enhances the stirring of the material. The two work together to ensure that the material is uniformly mixed, effectively avoiding stirring dead zones and material stratification, and improving the mixing quality and stability of the product. The rotating rod and scraper are detachably connected, allowing for quick disassembly and installation when the scraper wears out or needs replacement, facilitating scraper maintenance and replacement. This design extends the service life of the grinding device and reduces equipment maintenance costs and downtime. A transfer tray is installed below the grinding outlet to catch the ground material and prevent it from scattering. The design of the mixing container ensures that material does not easily splash during mixing, guaranteeing operator safety and a clean production environment.

[0007] Optionally, the central stirring rod is fixed on the output shaft of the second drive motor, and a horizontally arranged connecting rod is fixed on the output shaft of the second drive motor, with the spiral stirring rod mounted on the connecting rod.

[0008] By adopting the above technical solution, the central stirring rod is fixed on the output shaft of the second drive motor, making the power transmission of the stirring device more stable and reliable, thereby ensuring the efficiency and uniformity of the stirring process. The horizontally arranged connecting rod further enhances the stability of the structure and provides a mounting base for the spiral stirring rod. The spiral stirring rod is set on the connecting rod and can rotate with the connecting rod, thereby achieving all-round stirring of the material in the stirring container, improving the stirring effect and reducing the number of dead zones in the stirring.

[0009] Optionally, a roller is rotatably connected to the end of the connecting rod away from the central stirring rod, the roller abutting against the inner wall of the stirring container, and the spiral stirring rod is fixed on the roller.

[0010] By adopting the above technical solution, the roller rotatably connected to the end of the connecting rod abuts against the inner wall of the mixing container, providing a support point for the spiral stirring rod. During the mixing process, when the material exerts significant resistance on the spiral stirring rod or when the force changes due to uneven material distribution, the contact between the roller and the inner wall of the container effectively limits the swaying and deviation of the spiral stirring rod. The roller rolls along the inner wall of the container, and since the spiral stirring rod is fixed to the roller, the rolling of the roller drives the spiral stirring rod to rotate.

[0011] Optionally, the scraper includes a fixing strip with a flexible scraper blade on it, the flexible scraper blade abutting against the grinding plate.

[0012] By adopting the above technical solution, the flexible scraper possesses excellent flexibility, enabling it to closely conform to the surface of the grinding plate, ensuring full contact even with minor unevenness in the grinding plate. When the rotating rod drives the scraper to rotate, the close cooperation between the flexible scraper and the grinding plate allows the scraper to apply uniform and continuous pressure and shearing force to the material on the grinding plate, effectively grinding the material and ensuring it is thoroughly refined. The structure of the flexible scraper on the fixing strip makes cleaning the grinding container more convenient. The contact between the flexible scraper and the grinding plate effectively reduces the amount of material remaining on the grinding plate during the grinding process, improving cleaning efficiency. Simultaneously, the use of flexible material avoids damage to the grinding plate.

[0013] Optionally, a protective net is provided above the stirring container.

[0014] By adopting the above technical solution, operators can observe the mixing situation inside the mixing container through the protective net, such as the mixing status and color change of the materials, so as to understand the mixing process in a timely manner, judge whether the mixing has achieved the expected effect, and adjust the mixing parameters in a timely manner if necessary. It can also prevent operators from putting their hands into the running container.

[0015] Optionally, the lower end of the stirring container is provided with a base, and the lower end of the base is provided with a height adjustment mechanism.

[0016] By adopting the above technical solution, the height of the mixing container can be changed through a height adjustment mechanism to adapt to different operational requirements. Adjusting the height of the mixing container alters the relative position of the stirring rod and the material, as well as the mixing depth, resulting in more uniform and thorough mixing and improved material mixing quality. For example, for materials requiring thorough bottom mixing, the mixing container can be lowered, bringing the stirring rod closer to the bottom and enhancing the mixing force on the bottom material. In space-constrained workplaces, appropriately adjusting the height of the mixing container can better utilize space.

[0017] Optionally, the height adjustment mechanism includes a right-angle plate fixed to the lower end of the base, the right-angle plate having a threaded hole, and a threaded adjustment rod threadedly connected to the threaded hole.

[0018] By adopting the above technical solution, the threaded adjusting rod and the threaded hole on the right-angle plate cooperate with each other. When the threaded adjusting rod is rotated, it moves up and down in the threaded hole due to the transmission action of the thread. The right-angle plate is fixed to the lower end of the base, providing a stable support structure for the entire height adjustment mechanism. The threaded connection between the threaded adjusting rod and the right-angle plate has a certain degree of self-locking, which reliably maintains the position of the mixing container after adjustment to a suitable height. It will not easily change the height due to equipment vibration or material weight, ensuring the stability of the mixing device during operation and improving the accuracy and quality of mixing and grinding. The height adjustment mechanism has a relatively simple structure, consisting of a right-angle plate, a threaded hole, and a threaded adjusting rod as basic components, thus possessing high reliability and durability. This simple structure is not prone to failure, has low maintenance costs, and can function stably during long-term use, reducing the overall maintenance and operating costs of the equipment.

[0019] Optionally, a U-shaped component is fixed on the output shaft of the first drive motor, and several through holes are provided on both sides of the U-shaped component along the vertical direction; a fixing pin is provided in the through hole; and a fixing hole adapted to the fixing pin is provided on the rotating rod.

[0020] By adopting the above technical solution, the U-shaped component is fixed to the output shaft of the first drive motor. A fixing pin passes through the through holes on both sides of the U-shaped component and the fixing hole on the rotating rod, achieving a secure connection between the first drive motor and the rotating rod. This connection method ensures that the power output from the motor is transmitted to the rotating rod, allowing the rotating rod to rotate stably according to the motor's drive, thus guaranteeing the normal operation of the grinding and stirring device. Several through holes vertically arranged on the U-shaped component provide multiple options for installing the rotating rod. Operators can select the appropriate through hole position to insert the fixing pin and connect the rotating rod to the U-shaped component according to actual needs. This flexible assembly method makes the installation of the rotating rod more convenient and can adapt to different working scenarios and equipment layout requirements. When the rotating rod is damaged or requires maintenance, simply pull out the fixing pin to easily remove the rotating rod from the U-shaped component for replacement or repair. This quick disassembly and installation method greatly shortens equipment downtime and improves equipment efficiency and maintenance convenience. Because the U-shaped component has multiple through holes, by selecting through holes of different heights to match the fixing holes on the rotating rod, the height of the rotating rod can be adjusted within a certain range. During installation, the horizontal position of the rotating rod can be finely adjusted by adjusting the position of the fixing pin in different through holes, ensuring that the rotation center of the rotating rod matches the working center of the grinding, thereby improving the working accuracy and stability of the equipment.

[0021] Optionally, the grinding outlet has a conical structure and is connected to the grinding container via a snap fastener.

[0022] By adopting the above technical solution, the conical structure of the grinding outlet, wider at the top and narrower at the bottom, allows materials to more easily gather and flow towards the outlet under gravity, facilitating smooth discharge from the grinding container, reducing material residue at the outlet, and improving discharge efficiency. Guided by the conical wall, the material flows evenly towards the outlet, preventing blockages caused by material accumulation in corners or narrow areas, ensuring continuous and stable operation of the grinding and mixing device. The snap-fit ​​connection makes connecting and disconnecting the grinding outlet from the grinding container simple and quick. When cleaning, maintenance, or replacement of parts is required for the grinding container or outlet, simply open the snap to easily remove the outlet from the grinding container, making operation convenient and saving time and labor costs.

[0023] Optionally, the central stirring rod has a plate-like structure, which includes an upper stirring part, a twisting part and a lower stirring part from top to bottom, and the upper stirring part and the lower stirring part are arranged vertically.

[0024] By adopting the above technical solution, the vertically arranged upper and lower agitator sections enable the stirring rod to create agitation effects in different directions within the mixing container during rotation. The upper agitator pushes the material downwards, while the lower agitator lifts it upwards, causing the material to continuously circulate up and down within the container, further enhancing the mixing effect. The torsion section connects the upper and lower agitator sections, providing buffering and adjustment during the mixing process. The torsion section can flexibly adjust the force and direction of the upper and lower agitator sections according to the material resistance and flow conditions, allowing the stirring rod to better adapt to different working conditions.

[0025] In summary, this application includes at least one of the following beneficial technical effects:

[0026] 1. This application uses a first drive motor to drive the rotating rod and scraper to rotate. The scraper and grinding plate are closely matched and combined with the sieve holes for screening, so as to efficiently grind the material, ensure that the particle size of the ground material is uniform and meets the production requirements, and meet the fineness requirements of different processes.

[0027] 2. This application utilizes the coordinated rotation of the central stirring rod and the spiral stirring rod to create a three-dimensional flow of materials within the mixing container, achieving rapid and uniform mixing, avoiding dead zones and material stratification, and effectively improving the mixing quality and stability of the product.

[0028] 3. This application optimizes the material movement path and stirring force through the coordinated work of the upper stirring part, the twisting part and the lower stirring part, which can achieve the ideal stirring effect in a shorter time, improve stirring efficiency, and help improve production efficiency and reduce energy consumption and production costs. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the structure and operation of the grinding device and stirring device described in Embodiment 1;

[0030] Figure 2 This is a schematic diagram of the structure of the spiral stirring rod rotating around the central stirring rod as described in Embodiment 1;

[0031] Figure 3 This is a schematic diagram of the central stirring rod described in Embodiment 1;

[0032] Figure 4 This is a schematic diagram of the scraper structure described in Embodiment 1;

[0033] Figure 5 This is a schematic diagram of the installation structure of the base and the stirring container as described in Embodiment 1;

[0034] Figure 6 This is a schematic diagram of the height adjustment mechanism described in Embodiment 1;

[0035] Figure 7 This is a schematic diagram of the installation of the U-shaped component and the rotating rod as described in Embodiment 1;

[0036] Figure 8 This is a structural schematic diagram of the U-shaped component described in Embodiment 1;

[0037] Figure 9 This is a schematic diagram of the installation structure of the grinding outlet and the grinding container as described in Embodiment 1;

[0038] Figure 10 This is a schematic diagram of the structure and operation of the grinding device and stirring device described in Embodiment 2;

[0039] Figure 11 This is a schematic diagram of the protective netting described in Embodiment 2;

[0040] Figure 12 This is a schematic diagram of the structure and operation of the grinding device and stirring device described in Embodiment 3;

[0041] Figure 13 This is a schematic diagram of the roller structure described in Embodiment 3.

[0042] In the diagram: 1. Working platform; 2. Grinding device; 21. Grinding container; 211. Grinding outlet; 2111. Buckle; 22. Rotating rod; 221. Scraper; 2211. Fixing strip; 2212. Flexible scraper; 222. Fixing hole; 23. First drive motor; 231. First output shaft; 232. U-shaped component; 2321. Side plates; 233. Through hole; 2331. Fixing pin; 24. Grinding plate; 241. 3. Sieve holes; 3. Stirring device; 31. Stirring container; 32. Central stirring rod; 321. Upper stirring part; 322. Torsion part; 323. Lower stirring part; 33. Spiral stirring rod; 331. Connecting rod; 332. Roller; 34. Second drive motor; 341. Second output shaft; 4. Transfer tray; 5. Protective net; 6. Base; 61. Right angle plate; 611. Threaded hole; 612. Threaded adjusting rod; 7. Height adjustment mechanism. Detailed Implementation

[0043] The technical solutions of various embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0044] Example 1

[0045] Reference Figures 1-3 This application discloses a probiotic mixing device for pastry production, including a working platform 1, on which a grinding device 2 and a stirring device 3 are provided; the grinding device 2 includes a grinding container 21; a rotating rod 22 is provided inside the grinding container 21, the rotating rod 22 is powered by a first drive motor 23 to rotate, and a scraper 221 is provided at the lower end of the rotating rod 22; a grinding plate 24 is provided in the middle of the grinding container 21 to abut against the scraper 221, and a plurality of sieve holes 241 are provided on the grinding plate 24; a grinding outlet 211 is provided at the lower end of the grinding container 21, and a transfer tray 4 is provided below the grinding outlet 211; the stirring device 3 includes a stirring container 31, a central stirring rod 32 is provided in the middle of the stirring container 31, and a spiral stirring rod 33 is provided on the side of the central stirring rod 32, the spiral stirring rod 33 being able to rotate around the central stirring rod 32.

[0046] Specifically, refer to Figure 2The central stirring rod 32 is fixed to the output shaft of the second drive motor 34, and a horizontally arranged connecting rod 331 is fixed to the output shaft of the second drive motor 34. The spiral stirring rod 33 is mounted on the connecting rod 331. When the second drive motor 34 starts, its output shaft drives the central stirring rod 32 to rotate. At the same time, the connecting rod 331 on the output shaft also rotates. Since the spiral stirring rod 33 is fixed to the end of the connecting rod 331 by bolts, the rotation of the connecting rod 331 will drive the spiral stirring rod 33 to rotate around the central stirring rod 32. Both the central stirring rod 32 and the spiral stirring rod 33 are made of 304 food-grade stainless steel.

[0047] Reference Figure 3 The central stirring rod 32 has a plate-like structure, which includes an upper stirring part 321, a twisting part 322 and a lower stirring part 323 from top to bottom. The upper stirring part 321 and the lower stirring part 323 are arranged vertically. The plate-like structure design of the central stirring rod 32 enables the upper stirring part 321 and the lower stirring part 323 to drive the material to flow in the horizontal and vertical directions when rotating. The twisting part 322 generates eddies and turbulence in the material. Combined with the rotation of the spiral stirring rod 33, the materials in the stirring container 31 are efficiently stirred and mixed.

[0048] Reference Figure 4 The scraper 221 includes a fixed strip 2211 with a flexible scraper 2212 on it. The flexible scraper 2212 abuts against the grinding plate 24. Since the flexible scraper 2212 on the fixed strip 2211 abuts against the grinding plate 24 in the middle of the grinding container 21, the scraper 221 will grind the material on the grinding plate 24 during rotation. After the material is ground, particles smaller than the size of the sieve hole 241 of the grinding plate 24 will fall through the sieve hole 241 and enter the transfer tray 4 below through the grinding outlet 211, thereby realizing the grinding and collection of the material.

[0049] Reference Figures 5-6 A base 6 is located below the mixing container 31. A height adjustment mechanism 7 is located at the lower end of the base 6. The height adjustment mechanism 7 includes a right-angle plate 61 fixed to the lower end of the base 6. The right-angle plate 61 has a threaded hole 611, into which a threaded adjusting rod 612 is threadedly connected. When the height of the mixing container 31 needs to be adjusted, the threaded adjusting rod 612 in the height adjustment mechanism 7 can be rotated. Since the threaded adjusting rod 612 is threadedly connected to the threaded hole 611 on the right-angle plate 61, rotating the threaded adjusting rod 612 will cause it to move up and down within the threaded hole 611, thereby raising or lowering the base 6 and the mixing container 31 above it to meet different working requirements.

[0050] Reference Figures 7-8A U-shaped component 232 is fixed to the output shaft of the first drive motor 23. The U-shaped component 232 engages with a fixing hole 222 on the rotating rod 22 via a fixing pin 2331, driving the rotating rod 22 to rotate. Several through holes 233 are provided vertically on both side plates 2321 of the U-shaped component 232, each containing a fixing pin 2331. The rotating rod 22 has fixing holes 222 that mate with the fixing pins 2331. The operator can select a suitable through hole 233 to insert the fixing pin 2331, connecting the rotating rod 22 to the U-shaped component 232 as needed. The rotating rod 22 can be made of stainless steel, which has good wear resistance and corrosion resistance.

[0051] Reference Figure 9 The grinding outlet 211 has a conical structure and is connected to the grinding container 21 by a buckle 2111. This connection method facilitates the disassembly and installation of the grinding container 21 and makes it convenient to clean and maintain the grinding device 2.

[0052] The implementation principle of this embodiment is as follows: The first drive motor 23 drives the rotating rod 22 to rotate, and the scraper 221 at the lower end of the rotating rod 22 rotates accordingly. The detachable scraper 221 is easy to replace or clean as needed to ensure the grinding effect and the hygiene of the device. Since the scraper 221 abuts against the grinding plate 24, during the rotation, the scraper 221 will squeeze the material in the grinding container 21 onto the grinding plate 24 for grinding. After the material is ground into fine particles, it falls through the sieve holes 241 on the grinding plate 24. The ground material is discharged from the grinding outlet 211 and falls onto the transfer tray 4 below, realizing the collection and transfer of the ground material. The central stirring rod 32 in the stirring container 31 rotates under the power drive to stir the material in the central area of ​​the stirring container 31, so that the material flows and mixes in the central part. The spiral stirring rod 33 on the side of the central stirring rod 32 can rotate horizontally around the central stirring rod 32. The rotation of the spiral stirring rod 33 causes the material to flow in a spiral shape in the horizontal direction, expanding the stirring range, enhancing the stirring effect, and enabling the material to be mixed more evenly. Through the synergistic action of the central stirring rod 32 and the spiral stirring rod 33, the stirring device 3 can efficiently and evenly stir various materials.

[0053] Example 2

[0054] Reference Figures 10-11 The difference between this embodiment and the first embodiment is that a protective net 5 is provided above the stirring container 31, and the protective net 5 is made of food-grade stainless steel.

[0055] The implementation principle of this embodiment is as follows: the protective net 5 can prevent foreign objects from falling into the mixing container 31, avoid foreign objects from mixing into the material, and also prevent operators from putting their hands into the running container.

[0056] Example 3

[0057] Reference Figures 12-13 A roller 332 is rotatably connected to the end of the connecting rod 331 away from the central stirring rod 32. The roller 332 abuts against the inner wall of the stirring container 31, and the spiral stirring rod 33 is fixed on the roller 332.

[0058] The implementation principle of this embodiment is as follows: When the central stirring rod 32 rotates, the connecting rod 331 drives the roller 332 at its end to roll on the inner wall of the mixing container 31. The roller 332 rolls along the inner wall of the container, and since the spiral stirring rod 33 is fixed to the roller 332, the rolling of the roller 332 drives the spiral stirring rod 33 to rotate, thereby stirring the material inside the container. This design allows the spiral stirring rod 33 to be closer to the inner wall of the container, and compared to traditional stirring methods, it can more thoroughly stir the material at the edge of the container, reducing dead zones and improving the uniformity and efficiency of stirring. The roller 332 abuts against the inner wall of the mixing container 31, providing support and guidance. It reduces friction between the end of the connecting rod 331 and the inner wall of the container, making the stirring process smoother, and also ensures that the spiral stirring rod 33 maintains a stable position during rotation, avoiding shaking that could affect the stirring effect or damage the container.

[0059] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the technical solutions of the embodiments of this application.

Claims

1. A probiotic mixing device for pastry production, characterized in that: The device includes a working platform (1), on which a grinding device (2) and a stirring device (3) are provided; the grinding device (2) includes a grinding container (21); a rotating rod (22) is provided inside the grinding container (21), the rotating rod (22) is powered by a first drive motor (23) to rotate, and a scraper (221) is provided at the lower end of the rotating rod (22); a grinding plate (24) is provided in the middle of the grinding container (21) to abut against the scraper (221), and the grinding... The plate (24) is provided with several sieve holes (241); the grinding container (21) is provided with a grinding outlet (211) at the lower end, and a transfer tray (4) is provided below the grinding outlet (211); the stirring device (3) includes a stirring container (31), a central stirring rod (32) is provided in the middle of the stirring container (31), and a spiral stirring rod (33) is provided on the side of the central stirring rod (32). The spiral stirring rod (33) can rotate horizontally around the central stirring rod (32).

2. The probiotic mixing device for pastry production according to claim 1, characterized in that: The central stirring rod (32) is fixed on the output shaft of the second drive motor (34), and a horizontally arranged connecting rod (331) is fixed on the output shaft of the second drive motor (34). The spiral stirring rod (33) is arranged on the connecting rod (331).

3. The probiotic mixing device for pastry production according to claim 2, characterized in that: The end of the connecting rod (331) away from the central stirring rod (32) is rotatably connected to a roller (332), the roller (332) abuts against the inner wall of the stirring container (31), and the spiral stirring rod (33) is fixed on the roller (332).

4. The probiotic mixing device for pastry production according to claim 1, characterized in that: The scraper (221) includes a fixing strip (2211), on which a flexible scraper (2212) is provided, and the flexible scraper (2212) abuts against the grinding plate (24).

5. The probiotic mixing device for pastry production according to claim 1, characterized in that: A protective net (5) is provided above the stirring container (31).

6. The probiotic mixing device for pastry production according to claim 1, characterized in that: The stirring container (31) is provided with a base (6) below it, and the lower end of the base (6) is provided with a height adjustment mechanism (7).

7. The probiotic mixing device for pastry production according to claim 6, characterized in that: The height adjustment mechanism (7) includes a right-angle plate (61) fixed at the lower end of the base (6), and the right-angle plate (61) is provided with a threaded hole (611), and a threaded adjustment rod (612) is threadedly connected in the threaded hole (611).

8. The probiotic mixing device for pastry production according to claim 1, characterized in that: A U-shaped part (232) is fixed on the output shaft of the first drive motor (23). Several through holes (233) are provided on both sides (2321) of the U-shaped part (232) along the vertical direction. A fixing pin (2331) is provided in the through hole (233). A fixing hole (222) is provided on the rotating rod (22) that matches the fixing pin (2331).

9. A probiotic mixing device for pastry production according to claim 1, characterized in that: The grinding outlet (211) has a conical structure and is connected to the grinding container (21) by a buckle (2111).

10. A probiotic mixing device for pastry production according to claim 1, characterized in that: The central stirring rod (32) has a plate-like structure and includes an upper stirring part (321), a twisting part (322) and a lower stirring part (323) from top to bottom. The upper stirring part (321) and the lower stirring part (323) are arranged vertically.

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