CN219913707U

CN219913707U - Freeze dryer

Info

Publication number: CN219913707U
Application number: CN202320208059.4U
Authority: CN
Inventors: 胥秋生; 岳波
Original assignee: Hongshan Mechanical Equipment Shanghai Co ltd
Current assignee: Hongshan Mechanical Equipment Shanghai Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-10-27
Anticipated expiration: 2033-02-14

Abstract

The utility model discloses a freeze dryer which comprises a dryer body, wherein a freezing mechanism is arranged in the dryer body, a drying mechanism is arranged at the upper end of the freezing mechanism, a communicated cavity is formed between the freezing mechanism and the drying mechanism, a lifting mechanism is arranged in the cavity, a plurality of material trays are fixedly arranged in the lifting mechanism, and the lifting mechanism is used for driving the material trays to move up and down in the cavity. According to the utility model, after the freezing treatment of the equipment is carried out, the material tray is driven to be longitudinally transported in the freeze dryer by the lifting mechanism consisting of the driving motor, the bracket and the lifting rod, so that the material tray does not need manual operation in the step from freezing to drying, the risk of frostbite of test personnel when the material tray is transferred is effectively avoided, and the pollution of freeze-dried products is avoided.

Description

Freeze dryer

Technical Field

The utility model relates to the technical field of freeze-drying machines, in particular to a freeze-drying machine.

Background

The freeze dryer is in a high vacuum state, and the water in the pre-frozen material is directly sublimated into water vapor to be removed without melting ice by utilizing the sublimation principle, so that the aim of freeze drying is fulfilled. The freeze-dried product is spongy, has no drying shrinkage, excellent rehydration and extremely low moisture content, can be stored and transported for a long time at normal temperature after corresponding packaging, can be divided into three types of laboratory type freeze-dryer, pilot scale type and production type according to the application of use, wherein the laboratory type freeze-dryer has the advantages of minimum volume, small freeze-drying area, no occupation space, pulleys are arranged at the bottom, and the freeze-dried product is convenient to transport and is the most suitable for the freeze-dryer.

Among the prior art, the freeze dryer is when carrying out freeze-drying operation to the material, firstly puts the tray with the material dish in the tray of freezing frame, secondly put into the inside refrigeration chamber of organism with it and refrigerate, then take out the tray and place the drying rack rethread glass cover of refrigeration chamber top and cover and carry out drying process, and whole complex operation just needs to use two kinds of tray frames, and the test personnel also causes frostbite when transferring the material dish after freezing process, and the repeated material dish that shifts also very easily causes the material pollution.

Disclosure of Invention

The utility model mainly aims to provide a freeze dryer which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a freeze dryer, includes the organism, the inside freezing mechanism that is equipped with of organism, freezing mechanism upper end is provided with drying mechanism, freezing mechanism with the cavity of intercommunication has been seted up to drying mechanism inside, is located the inside elevating system that is provided with of cavity, elevating system inside fixed mounting has a plurality of material trays, elevating system is used for driving the material tray and reciprocates in the cavity.

Preferably, the lifting mechanism comprises a driving motor, a bracket and a lifting rod, wherein the motor is used for driving the lifting rod to longitudinally move inside the bracket.

Preferably, the lifting mechanism is provided with a pair of lifting mechanisms in the cavity, a connecting sheet is fixedly arranged at the top of the lifting rod, and a screw hole is formed in the connecting sheet.

Preferably, the middle part of the material tray is provided with a connecting rod, the material trays are uniformly distributed on the connecting rod, and screw holes are formed in the disc surfaces at two sides of the material tray at the topmost end of the connecting rod and are used for being fixed with the connecting sheet through bolts.

Preferably, a compressor and a condenser are further arranged in the machine body, the compressor is arranged on one side of the cold trap, and the condenser is arranged on the other side of the cold trap.

Preferably, the drying mechanism is a glass cover and is used for sealing and drying the materials.

Preferably, a sealing ring is fixedly arranged at the joint of the glass cover and the machine body and used for sealing the drying mechanism.

Preferably, the rear end of the machine body is also provided with a power line interface, and the front end of the machine body is provided with a controller.

Preferably, the outer wall of the machine body is further provided with a plurality of heat dissipation holes for heat dissipation treatment of the interior of the machine body.

Preferably, universal wheels are arranged at four corners of the bottom end of the machine body.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, after the freezing treatment of the equipment is carried out, the material tray is driven to be longitudinally transported in the freeze dryer by the lifting mechanism consisting of the driving motor, the bracket and the lifting rod, so that the material tray does not need manual operation in the step from freezing to drying, the risk of frostbite of a tester during transferring the material tray is effectively avoided, the pollution of freeze-dried products is avoided, and the operation is simple and convenient.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of a freeze dryer according to the present utility model;

FIG. 2 is a rear view of a lyophilizer according to the present utility model;

FIG. 3 is a view showing the structure of a material tray of a freeze dryer according to the present utility model;

FIG. 4 is a view showing a lifting mechanism of a freeze dryer according to the present utility model;

fig. 5 is a schematic view showing an internal structure of a freeze dryer according to the present utility model.

Drawing of the figure in (a): 1. a body; 2. a material tray; 3. a driving motor; 4. a bracket; 5. a lifting rod; 6. a connecting sheet; 7. a connecting rod; 8. a compressor; 9. a condenser; 10. a glass cover; 11. a seal ring; 12. a power line interface; 13. a controller; 14. a heat radiation hole; 15. and a universal wheel.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Examples: as shown in fig. 1-4, a freeze dryer comprises a machine body 1, wherein a freezing mechanism is arranged in the machine body 1, a drying mechanism is arranged at the upper end of the freezing mechanism, a communicated cavity is formed in the freezing mechanism and the drying mechanism, a lifting mechanism is arranged in the cavity, a plurality of material trays 2 are fixedly arranged in the lifting mechanism, and the lifting mechanism is used for driving the material trays 2 to move up and down in the cavity.

The lifting mechanism comprises a driving motor 3, a bracket 4 and a lifting rod 5, wherein the motor is used for driving the lifting rod 5 to longitudinally move inside the bracket 4.

According to fig. 4, the lifting mechanism is provided with a pair of lifting mechanisms in the cavity, a connecting sheet 6 is fixedly arranged at the top of the lifting rod 5, and a screw hole is formed in the connecting sheet 6.

Further, the middle part of the material disc 2 is provided with a connecting rod 7, the material disc 2 is evenly distributed on the connecting rod 7, and screw holes are formed in the disc surfaces at two sides of the material disc 2 at the topmost end of the connecting rod 7 and are used for being fixed with the connecting sheet 6 through bolts.

Through the combination of above-mentioned setting with traditional material frame and quotation and elevating system unite two into one for the material need not to shift the material dish when carrying out dry cooling, has saved operating procedure greatly, has promoted work efficiency, and effectively avoids operating personnel's risk of frostbite.

According to fig. 5, the inside of the machine body 1 is also provided with a compressor 8 and a condenser 9, wherein the compressor 8 is arranged on one side of the cold trap, and the condenser 9 is arranged on the other side of the cold trap.

Specifically, the drying mechanism is a glass cover 10 for sealing and drying the material.

The glass cover 10 is plexiglass.

The joint of the glass cover 10 and the machine body 1 is fixedly provided with a sealing ring 11 for sealing the drying mechanism.

Further, the rear end of the machine body 1 is also provided with a power line interface 12, the front end of the machine body 1 is provided with a controller 13, the outer wall of the machine body 1 is also provided with a plurality of heat dissipation holes 14 for carrying out heat dissipation treatment on the inside of the machine body 1, four corners of the bottom end of the machine body 1 are provided with universal wheels 15, one side of each universal wheel 15 is also provided with a fixing sleeve, and the freeze dryer is fixed on a workbench.

Working principle: when the freeze dryer is used, firstly, materials are placed in a material tray, then the material tray is placed in a cavity in a cold trap, then the material tray and a connecting sheet at the top of a telescopic rod are fixed by bolts, a cover plate is covered on the top of a machine body, then a power line is inserted into a power line wiring port, a power supply is connected, a device switch is opened, a controller is adjusted, corresponding parameter setting is carried out on the temperature in the cold trap, corresponding freezing treatment is carried out, after the freezing is finished, the cover plate is taken off, a glass cover is covered, the controller is adjusted, a lifting mechanism is controlled to lift the material tray into the drying mechanism, the drying treatment of the materials is carried out, and the material tray is driven to carry out longitudinal transportation in the freeze dryer through a lifting mechanism consisting of a driving motor, a bracket and the lifting rod, so that the material tray does not need manual operation in the step from freezing to drying, the automatic freeze drying treatment is realized, and the operation efficiency of workers is improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A freeze dryer, comprising a body (1), characterized in that: the novel heat dissipation device is characterized in that a freezing mechanism is arranged inside the machine body (1), a drying mechanism is arranged at the upper end of the freezing mechanism, a cavity communicated with the inside of the drying mechanism is formed, the novel heat dissipation device is located inside the cavity, a lifting mechanism is arranged inside the lifting mechanism, a plurality of material trays (2) are fixedly installed inside the lifting mechanism and used for driving the material trays (2) to move up and down in the cavity, the drying mechanism is a glass cover (10) and used for sealing and drying materials, a sealing ring (11) is fixedly installed at the joint of the glass cover (10) and the machine body (1) and used for sealing and setting the drying mechanism, and a plurality of heat dissipation holes (14) are further formed in the outer wall of the machine body (1) and used for heat dissipation treatment inside the machine body (1).

2. A lyophilizer according to claim 1, wherein: the lifting mechanism comprises a driving motor (3), a bracket (4) and a lifting rod (5), wherein the motor is used for driving the lifting rod (5) to longitudinally move inside the bracket (4).

3. A lyophilizer according to claim 2, wherein: the lifting mechanism is arranged in the cavity and is positioned at the top of the lifting rod (5) and fixedly provided with a connecting sheet (6), and the connecting sheet (6) is provided with a screw hole.

4. A lyophilizer according to claim 3, wherein: the middle part of the material disc (2) is provided with a connecting rod (7), the material disc (2) is evenly distributed on the connecting rod (7), screw holes are formed in the disc surfaces of two sides of the material disc (2) at the topmost end of the connecting rod (7), and the screw holes are used for being fixed with the connecting sheet (6) through bolts.

5. A lyophilizer according to claim 4, wherein: the inside of the machine body (1) is also provided with a compressor (8) and a condenser (9).

6. A lyophilizer according to claim 5, wherein: the rear end of the machine body (1) is also provided with a power line interface (12), and the front end of the machine body (1) is provided with a controller (13).

7. A lyophilizer according to claim 6, wherein: universal wheels (15) are arranged at four corners of the bottom end of the machine body (1).