Probiotic freeze dryer

By introducing a lifting adjustment device and a scraping assembly into the probiotic freeze dryer, the problems of low cold source conduction efficiency and inconvenient material handling have been solved, achieving efficient freeze drying and convenient material handling, and improving the operating efficiency and safety of the equipment.

CN224121544UActive Publication Date: 2026-04-14FU JIANXING FOOD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FU JIANXING FOOD CO LTD
Filing Date
2025-05-12
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Current probiotic freeze dryers suffer from reduced cold source conduction efficiency, prolonged freeze drying time, and inconvenient material handling due to the use of plastic film insulation during the freeze drying process.

Method used

A probiotic freeze dryer was designed, which adopts a lifting adjustment device and a scraping assembly, including a threaded rod, a movable plate, a scraper and a permanent magnet structure, to directly place probiotics on a tray. The mechanical structure achieves efficient cold source conduction and convenient material handling.

Benefits of technology

It improves the sublimation rate during freeze-drying, shortens the freeze-drying time, and achieves convenient and efficient material handling through mechanical scraping, avoiding the risk of plastic film contamination.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of freeze-drying machines, in particular to a probiotic freeze-drying machine which comprises a freeze-drying machine assembly, a lifting adjusting device is installed on the inner side of the freeze-drying machine assembly, a scraping assembly is installed on the outer side of the lifting adjusting device, the lifting adjusting device comprises a rotating handle, and a threaded rod is fixedly connected to the inner side of the rotating handle. The outer side of the threaded rod is rotatably connected with a shaft fixing barrel through a bearing, the outer side of the threaded rod is spirally connected with a movable plate block, the inner side of the movable plate block is slidably connected with a guide column, and the bottom end of the movable plate block is fixedly connected with a spring telescopic rod; according to the utility model, the material taking mode of the device abandons the traditional plastic film wrapping mode, so that the probiotics are prevented from being polluted, a cold source can be ensured to be conducted to the probiotics through the tray, and the conduction efficiency of the cold source is ensured not to be influenced.
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Description

Technical Field

[0001] This utility model relates to the field of freeze dryer technology, specifically a probiotic freeze dryer. Background Technology

[0002] A probiotic freeze dryer is a piece of equipment used to process probiotic products. It freezes the probiotic solution at low temperature and then sublimates it in a high vacuum environment, removing water by sublimating it directly from the ice into water vapor, thus obtaining dried probiotic powder. This equipment can effectively retain the active ingredients and nutrients of probiotics, extend the shelf life of the product, and facilitate storage and transportation. It is widely used in the food, health product, and pharmaceutical industries and is an indispensable key piece of equipment in modern probiotic production.

[0003] In existing probiotic freeze dryers, a plastic film is laid on the tray to facilitate subsequent handling of the freeze-dried probiotics. The probiotics are then poured onto the film. However, the plastic film has a certain degree of heat insulation, which hinders the transfer of cold source from the tray to the probiotic material. During the freeze-drying process, the efficiency of cold source transfer directly affects the sublimation rate. The presence of the film reduces the cold source conduction efficiency, resulting in a longer freeze-drying time. Therefore, a probiotic freeze dryer is proposed to address the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a probiotic freeze dryer to solve the problem that in existing probiotic freeze dryers, when freeze-drying probiotics, a layer of plastic film is laid on the tray to facilitate the subsequent removal of the freeze-dried probiotics. However, the plastic film has a certain degree of heat insulation, which hinders the transfer of cold source from the tray to the probiotic material, thus prolonging the freeze-drying time.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A probiotic freeze dryer includes a freeze dryer assembly. A lifting and adjusting device is installed inside the freeze dryer assembly, and a scraping assembly is installed outside the lifting and adjusting device. The lifting and adjusting device includes a handle, a threaded rod is fixedly connected to the inside of the handle, and a fixed shaft cylinder is rotatably connected to the outside of the threaded rod via a bearing. A movable plate is helically connected to the outside of the threaded rod, a guide column is slidably connected to the inside of the movable plate, and a spring telescopic rod is fixedly connected to the bottom end of the movable plate. The scraping assembly includes a folded plate, a shaft is fixedly connected to one side of the folded plate, a scraper is rotatably connected to the outside of the shaft, an arc-shaped baffle is fixedly connected to the top of the scraper, and the top of the folded plate is fixedly connected to the bottom end of the spring telescopic rod.

[0007] As a further optimization of this utility model, the freeze dryer assembly includes a freeze desiccant body, a support is fixedly connected to the inner side of the freeze desiccant body, a tray is attached to the inner side of the support, an arc groove is formed on the inner side of the tray, and the inner side of the freeze desiccant body is attached to the bottom of the receiving box.

[0008] As a further optimization of this utility model, the number of brackets is two, the left and right ends of the tray are both fitted with the brackets, the arc groove is an arc-shaped structure, and arc grooves are provided at the front and rear ends of the tray.

[0009] As a further optimization of this utility model, the following features are provided: a fixing hole is provided on the inner side of the folded plate, a first permanent magnet is fixedly connected to the inner side of the fixing hole of the folded plate, a magnetic plate is fixedly connected to both the left and right sides of the scraper, and a second permanent magnet is fixedly connected to the inner side of the magnetic plate, and the first permanent magnet and the second permanent magnet are magnetically attracted to each other.

[0010] As a further optimization of this utility model, the scraper is fixedly connected to magnetic plates on both the left and right sides, and the rear end of the magnetic plates is attached to the folded plate.

[0011] As a further optimization of this utility model, the arc-shaped baffle is an arc-shaped structure and is located at the rear end of the scraper.

[0012] As a further optimization of this utility model, the movable plate is provided with a threaded hole and a sliding hole on its inner side. The upper and lower ends of the throttle are rotatably connected to the fixed shaft cylinder. The two fixed shaft cylinders are fixed to the inner side of the freeze-drying agent body. A bearing is fixed to the inner side of the fixed shaft cylinder. The inner side of the bearing of the fixed shaft cylinder is fixedly connected to the outer side of the threaded rod.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] In this invention, by incorporating a freeze dryer assembly, a lifting and adjusting device, and a scraping assembly, the device effectively solves the problems of reduced cold source conduction efficiency and prolonged freeze-drying time caused by traditional plastic film wrapping of probiotics. During the freeze-drying process, the probiotics are placed directly on a tray, ensuring efficient cold source conduction to the probiotic material, thereby increasing the sublimation rate and shortening the freeze-drying time. During material retrieval, a unique mechanical structure design utilizes a scraper and spiral mechanism to conveniently and quickly scrape and collect the freeze-dried probiotics from the tray, avoiding the risk of contamination associated with traditional plastic film wrapping and improving the convenience and efficiency of material retrieval. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a cross-sectional structural diagram of the freeze-drying agent body of this utility model;

[0017] Figure 3 This is a schematic diagram of the tray structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the threaded rod structure of this utility model;

[0019] Figure 5 This is a schematic diagram of the movable panel structure of this utility model;

[0020] Figure 6 This is an exploded structural diagram of the scraping assembly of this utility model;

[0021] Figure 7 This is a cross-sectional structural diagram of the folded plate of this utility model.

[0022] In the diagram: 1. Freeze dryer components; 11. Freeze desiccant body; 12. Support frame; 13. Tray; 14. Arc groove; 15. Receiving box;

[0023] 2. Lifting and adjusting device; 21. Throttle; 22. Threaded rod; 23. Shaft fixing cylinder; 24. Movable plate; 25. Guide column; 26. Spring telescopic rod;

[0024] 3. Scraper assembly; 31. Folding plate; 32. First permanent magnet; 33. Shaft; 34. Scraper; 35. Arc-shaped baffle; 36. Magnetic plate; 37. Second permanent magnet. Detailed Implementation

[0025] 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.

[0026] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0027] Please see Figures 1-7 This utility model provides a technical solution:

[0028] A probiotic freeze dryer includes a freeze dryer assembly 1. A lifting adjustment device 2 is installed inside the freeze dryer assembly 1, and a scraping assembly 3 is installed outside the lifting adjustment device 2. The lifting adjustment device 2 includes a handle 21, a threaded rod 22 is fixedly connected to the inside of the handle 21, a fixed shaft cylinder 23 is rotatably connected to the outside of the threaded rod 22 via a bearing, a movable plate 24 is spirally connected to the outside of the threaded rod 22, a guide column 25 is slidably connected to the inside of the movable plate 24, and a spring telescopic rod 26 is fixedly connected to the bottom end of the movable plate 24. The scraping assembly 3 includes a folded plate 31, a shaft 33 is fixedly connected to one side of the folded plate 31, a scraper 34 is rotatably connected to the outside of the shaft 33, an arc-shaped baffle 35 is fixedly connected to the top of the scraper 34, and the top of the folded plate 31 is fixedly connected to the bottom end of the spring telescopic rod 26.

[0029] As a further implementation of this solution, the freeze dryer component 1 includes a freeze desiccant body 11, a support 12 fixedly connected to the inner side of the freeze desiccant body 11, a tray 13 attached to the inner side of the support 12, an arc groove 14 opened on the inner side of the tray 13, and the inner side of the freeze desiccant body 11 attached to the bottom of the receiving box 15. There are two supports 12, and the left and right ends of the tray 13 are attached to the supports 12. The arc groove 14 has an arc-shaped structure, and arc grooves 14 are opened at the front and rear ends of the tray 13. Through the above settings, multiple trays 13 are supported, and a good basic structure is provided for subsequent material handling operations, which facilitates efficient scraping and collection processes. The arc-shaped structure design of the arc groove 14 can smoothly guide the probiotics to be scraped off during material handling, improving material handling efficiency and cleanliness.

[0030] As a further implementation of this solution, a fixing hole is provided on the inner side of the folded plate 31. A first permanent magnet 32 ​​is fixedly connected to the inner side of the fixing hole of the folded plate 31. A magnetic plate 36 is fixedly connected to both sides of the scraper 34. A second permanent magnet 37 is fixedly connected to the inner side of the magnetic plate 36. The first permanent magnet 32 ​​and the second permanent magnet 37 are magnetically attracted to each other. Through the above-mentioned arrangement, this magnetic attraction structure design allows the position of the scraper 34 to be stably limited. This design also facilitates the quick release and repositioning of the scraper 34 when cleaning or adjustment is required, improving the maintenance and operation convenience of the equipment.

[0031] As a further implementation of this solution, magnetic plates 36 are fixedly connected to both sides of the scraper 34. The rear end of the magnetic plate 36 is attached to the folded plate 31. The arc-shaped baffle 35 has an arc structure and is set at the rear end of the scraper 34. Through the above settings, the attachment of the magnetic plate 36 and the folded plate 31 can control the rotation angle of the scraper 34. The setting of the arc-shaped baffle 35 can prevent probiotics from crossing the scraper 34 when scraping.

[0032] As a further implementation of this solution, the movable plate 24 has threaded holes and sliding holes on its inner side. The upper and lower ends of the throttle 21 are rotatably connected to the fixed shaft cylinder 23. The two fixed shaft cylinders 23 are fixed to the inner side of the freeze-drying agent body 11. Bearings are fixed inside the fixed shaft cylinders 23. The inner side of the bearings of the fixed shaft cylinders 23 is fixedly connected to the outer side of the threaded rod 22. Through the above settings, the movable plate 24 can move up and down precisely. With the rotational connection of the throttle 21 and the fixed shaft cylinders 23, as well as the stable support of the bearings, the smooth operation of the entire material handling mechanism is ensured.

[0033] Workflow: When freeze-drying probiotics, place the probiotics inside tray 13, then place tray 13 on support 12, and seal the door of the existing freeze-drying agent body 11. The probiotics are then freeze-dried through the freeze-drying agent body 11. After freeze-drying, when removing the probiotics, turn handle 21 to rotate the threaded rod 22. The threaded rod 22 is rotatably connected inside the fixed shaft cylinder 23. The rotation of the threaded rod 22 causes multiple spirally connected movable plates 24 to move downwards simultaneously. The movable plates 24, through spring telescopic rod 26, drive the scraper assembly 3 to move downwards as a whole. At this time, the movable plates 24 slide on the outside of guide post 25, which limits the movement of the movable plates 24. The bottom end of the scraper 34 is in contact with the top end of tray 13. When the spring telescopic rod 26 retracts to its limit, stop turning handle 21. First, remove the most... The lower tray 13 is pulled out from inside the support 12. As the trays 13 are pulled out one by one, the spring force of the spring telescopic rod 26 pushes the scraping assembly 3 to move downwards. The scraper 34 scrapes the probiotics inside the tray 13. The arc-shaped baffle 35 can prevent the probiotics from flipping over the top of the scraper 34 when there are too many. When the bottom of the scraper 34 contacts the arc groove 14 at the rear end, the scraper 34 will move to the top of the tray 13 because the arc groove 14 at the rear end is an arc structure. This will push the probiotics down and make them fall into the collection box 15 for collection. This collection method avoids the traditional method of wrapping probiotics in plastic film and then removing the plastic film to collect the probiotics. The collection method set by the device is not only convenient, but also ensures that the cold source is conducted to the probiotics through the tray 13, ensuring that the cold source conduction efficiency is not affected.

[0034] When cleaning the rear end of the scraper 34 and the arc-shaped baffle 35, pull the arc-shaped baffle 35 backward. The arc-shaped baffle 35 drives the scraper 34 to rotate around the shaft 33. The scraper 34 drives the magnetic plate 36 to rotate. At this time, the magnetic plate 36 drives the second permanent magnet 37 and the first permanent magnet 32 ​​away from the magnetic attraction. This makes it easier to clean the rear end surfaces of the arc-shaped baffle 35 and the scraper 34. After cleaning, push the arc-shaped baffle 35 upward to make the second permanent magnet 37 and the first permanent magnet 32 ​​magnetically attract each other. The magnetic attraction between the second permanent magnet 37 and the first permanent magnet 32 ​​limits the position of the scraper 34. At the same time, the folding plate 31 limits the backward rotation of the scraper 34. In this way, when the tray 13 is pulled, the scraper 34 will remain in contact with the folding plate 31 through the friction with the tray 13, so as not to affect the scraping of probiotics inside the tray 13 by the scraper 34.

[0035] 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 probiotic freeze dryer, comprising freeze dryer components (1), characterized in that: The freeze dryer assembly (1) is equipped with a lifting adjustment device (2) on the inside and a scraping assembly (3) on the outside. The lifting adjustment device (2) includes a throttle (21), a threaded rod (22) is fixedly connected to the inside of the throttle (21), a fixed shaft cylinder (23) is rotatably connected to the outside of the threaded rod (22) through a bearing, a movable plate (24) is spirally connected to the outside of the threaded rod (22), a guide column (25) is slidably connected to the inside of the movable plate (24), and a spring telescopic rod (26) is fixedly connected to the bottom end of the movable plate (24). The scraping assembly (3) includes a folded plate (31), a shaft (33) is fixedly connected to one side of the folded plate (31), a scraper (34) is rotatably connected to the outside of the shaft (33), and an arc-shaped baffle (35) is fixedly connected to the top of the scraper (34). The top end of the folded plate (31) is fixedly connected to the bottom end of the spring telescopic rod (26).

2. The probiotic freeze dryer according to claim 1, characterized in that: The freeze dryer assembly (1) includes a freeze desiccant body (11), a bracket (12) is fixedly connected to the inside of the freeze desiccant body (11), a tray (13) is attached to the inside of the bracket (12), an arc groove (14) is opened on the inside of the tray (13), and the inside of the freeze desiccant body (11) is attached to the bottom of the receiving box (15).

3. The probiotic freeze dryer according to claim 2, characterized in that: The number of the brackets (12) is two, the left and right ends of the tray (13) are both attached to the brackets (12), the arc groove (14) is an arc-shaped structure, and the front and rear ends of the tray (13) are both provided with arc grooves (14).

4. The probiotic freeze dryer according to claim 1, characterized in that: The folded plate (31) has a fixing hole on its inner side. A first permanent magnet (32) is fixedly connected to the inner side of the fixing hole of the folded plate (31). A magnetic plate (36) is fixedly connected to both the left and right sides of the scraper (34). A second permanent magnet (37) is fixedly connected to the inner side of the magnetic plate (36). The first permanent magnet (32) and the second permanent magnet (37) are magnetically attracted to each other.

5. The probiotic freeze dryer according to claim 1, characterized in that: The scraper (34) is fixedly connected to a magnetic plate (36) on both the left and right sides, and the rear end of the magnetic plate (36) is attached to the folded plate (31).

6. The probiotic freeze dryer according to claim 1, characterized in that: The arc-shaped baffle (35) has an arc-shaped structure and is located at the rear end of the scraper (34).

7. A probiotic freeze dryer according to claim 1, characterized in that: The movable plate (24) has a threaded hole and a sliding hole on its inner side. The upper and lower ends of the throttle (21) are rotatably connected to the fixed shaft cylinder (23). The two fixed shaft cylinders (23) are fixed on the inner side of the freeze desiccant body (11). The fixed shaft cylinder (23) has a bearing fixed on its inner side. The inner side of the bearing of the fixed shaft cylinder (23) is fixedly connected to the outer side of the threaded rod (22).