CN218065585U

CN218065585U - Plant extract vacuum freeze drying device

Info

Publication number: CN218065585U
Application number: CN202221918745.2U
Authority: CN
Inventors: 易少啟
Original assignee: Wuhan Fengshuo Biotechnology Co ltd
Current assignee: Wuhan Fengshuo Biotechnology Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-12-16
Anticipated expiration: 2032-07-21

Abstract

The utility model relates to a technical field of plant extract freeze-drying, especially relate to a plant extract vacuum freeze-drying device, it removes the second support frame to outside freezing the storehouse through drive arrangement, put the tray on the second support frame, rise to the position of second support frame through elevating gear, send into freezing the storehouse with the second support frame through drive arrangement in, reset through elevating gear, put multiunit tray respectively on multiunit first support frame, move the second support frame to outside freezing the storehouse through drive arrangement, put other multiunit tray on the second support frame, drive arrangement sends into freezing the storehouse with the second support frame, lower the temperature in freezing the storehouse through the refrigerator, through evacuating device evacuation in freezing the storehouse, freeze-dry the material in freezing the storehouse, after the material freeze-dries, make and rise drive arrangement and elevating gear and reverse repetition above-mentioned step, arrange the material, thereby improve the practicality of equipment; comprises a freezing device, a vacuum-pumping device and a moisture collecting device.

Description

Plant extract vacuum freeze drying device

Technical Field

The utility model relates to a technical field of plant extract freeze-drying especially relates to a plant extract vacuum freeze-drying device.

Background

The water has three phases of solid, liquid and gas. According to the phase equilibrium theory in thermodynamics, the freezing point of water does not change much with the decrease of pressure, while the boiling point is lower and lower, and is close to the freezing point. When the pressure is reduced to a certain vacuum degree, the boiling point and the freezing point of water coincide, and ice can be directly vaporized into gas without passing through a liquid state, and the process is called sublimation.

Current freeze dryer all carries out freeze-drying process to the material through this principle, but current freeze dryer structure is fairly simple, and is inside darker, and inconvenient material loading and row of carrying on lead to the practicality relatively poor, consequently need improve current equipment.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a remove the second support frame to outside the freezer through drive arrangement, put the tray on the second support frame, rise to the position of second support frame through elevating gear, send the second support frame into the freezer through drive arrangement in, reset through elevating gear, put the multiunit tray on the first support frame of multiunit respectively, move the second support frame to outside the freezer through drive arrangement, put multiunit tray in addition on the second support frame, drive arrangement sends the second support frame into the freezer in, cool down in the freezer through the refrigerator, through evacuating device evacuation in to the freezer, freeze-dry the material in the freezer, after the material freeze-drying, make lift drive arrangement and elevating gear reverse repetition above-mentioned step, arrange the material, thereby improve a plant extract vacuum freeze-drying device of the practicality of equipment.

The utility model discloses a plant extract vacuum freeze-drying device, including refrigerating plant, evacuating device and moisture collection device all install in the top of refrigerating plant, the refrigerating plant freezes the material, and evacuating device vacuumizes the inside of refrigerating plant, and moisture collection device carries out centralized processing to biochemical steam;

the refrigerating device comprises a base, a refrigerating chamber, a refrigerating machine, a plurality of groups of first supporting frames, a sealing door, a second supporting frame, a lifting device and a driving device, wherein the bottom end of the refrigerating chamber is connected with the top end of the base, a cavity is arranged inside the refrigerating chamber, the left end of the refrigerating machine is connected with the right end of the refrigerating chamber, the right ends of the groups of first supporting frames are all connected with the right end in the refrigerating chamber, the driving device is installed at the top end of the base, the bottom end of the sealing door is installed on the driving device, the left end of the second supporting frame is slidably installed at the right end of the sealing door, and the driving device is installed on the second supporting frame;

the second support frame is moved to the outside of the freezing bin through the driving device, then materials are placed in the multiple groups of trays, then the multiple groups of trays are placed on the second support frame, the position of the second support frame is lifted through the lifting device, the multiple groups of trays are higher than the multiple groups of first support frames, the second support frame is sent into the freezing bin through the driving device, then the lifting device is reset, the multiple groups of trays are placed on the multiple groups of first support frames through the second support frame, the second support frame is moved to the outside of the freezing bin through the driving device, the multiple groups of trays with the materials additionally placed are placed on the second support frame, then the driving device sends the second support frame into the freezing bin, the inside of the freezing bin is cooled through the refrigerating machine, the materials are frozen, then the inside of the freezing bin is vacuumized through the vacuumizing device, water vapor is discharged into the water collection device, the materials in the freezing bin are subjected to freeze-drying treatment, after the materials are freeze-dried, the lifting driving device and the lifting device are reversely repeated, the multiple groups of trays on the second support frame and the multiple groups of the first support frames are sequentially taken out, and the multiple groups of the first support frames, so that the multiple groups of the freezing bin is practical equipment.

Preferably, the vacuumizing device comprises a vacuum pump, a connecting valve and an air inlet valve, the bottom end of the vacuum pump is connected with the top end of the freezing chamber, the left end of the vacuum pump is provided with an exhaust port, the right end of the vacuum pump is provided with an air suction port, the connecting valve is installed on the air suction port of the vacuum pump, and the air inlet valve is installed at the bottom of the freezing chamber; open vacuum pump and connecting valve, with the gas outgoing in the freezing storehouse, to the inside evacuation in freezing storehouse, later freeze-drying is accomplished the back, opens the admission valve, with the inside in the freezing storehouse of air outgoing, the vacuum pump continuously operates simultaneously, will freeze remaining steam discharge in the storehouse to improve equipment's practicality.

Preferably, the moisture collecting device comprises a condensing box, a semiconductor refrigerating plate, a heating pipe, a plurality of groups of heating elements and connecting pipes, wherein the bottom end of the condensing box is connected with the top end of the freezing bin, a drain valve is arranged at the bottom of the front end of the condensing box, the left end of the condensing box is connected with the right end of the connecting valve, the semiconductor refrigerating plate is installed at the top of the condensing box, the bottom end of the semiconductor refrigerating plate extends to the inside of the condensing box, the left end of the heating pipe is connected with the right end of the condensing box, the plurality of groups of heating elements are all installed inside the heating pipe, and the right end of the heating pipe is communicated with the inside of the freezing bin through the connecting pipes; through the vacuum pump operation, make the steam in the freezing storehouse enter into to the inside of heating pipe, heat steam through the multiunit heating element in the heating pipe, discharge steam into to the condensing box in again, cool down the steam of heating through the semiconductor refrigeration board, make steam condensate on the semiconductor refrigeration board, after forming the water droplet, the bottom in the condensing box drips, the gaseous emission in rethread vacuum pump with the condensing box, later open the drain valve of condensing box, discharge the water in the condensing box, thereby improve equipment's practicality.

Preferably, the lifting device comprises two groups of racks, two groups of first transmission boxes, two groups of first motors and two groups of first gears, the left ends of the two groups of racks are connected with the right end of the sealing door, one ends of the two groups of first transmission boxes are respectively connected with the front end and the rear end of the second support frame, the other ends of the two groups of first transmission boxes are respectively provided with an output end, the top ends connected with the first transmission boxes are respectively provided with an input end, the two groups of first motors are respectively installed at the tops of the two groups of first transmission boxes, the bottom ends of the two groups of first motors are respectively connected with the input ends of the two groups of first transmission boxes, one ends of the two groups of first gears are respectively connected with the output ends of the two groups of first transmission boxes, and the left ends of the two groups of first gears are respectively meshed with the right ends of the two groups of racks; through opening two sets of first motors, through two sets of first transmission case transmissions respectively, make two sets of first gears respectively with two sets of rack toothing transmissions, rise or descend the second support frame, cooperate drive arrangement to realize automatic feeding and automatic row material to improve equipment's practicality.

Preferably, the driving device comprises a sliding rail, a sliding block, two groups of second transmission boxes, two groups of second motors, a plurality of groups of gear teeth and two groups of second gears, wherein the bottom end of the sliding rail is connected with the top end of the base, the sliding block is slidably mounted on the sliding rail, the top end of the sliding block is connected with the bottom end of the sealing door, one end of each group of gear teeth is connected with the front end and the rear end of the sliding rail respectively, one end of each group of second transmission boxes is connected with the front end and the rear end of each group of sliding blocks respectively, the bottom ends of the two groups of second transmission boxes are provided with output shafts respectively, the side ends of the two groups of second transmission boxes are provided with input shafts respectively, the two groups of second motors are mounted at the side ends of the two groups of second transmission boxes respectively, the side ends of the two groups of second motors are connected with the input shafts of the two groups of second transmission boxes respectively, and one ends of the two groups of second gears are connected with the plurality of gear teeth in a meshed manner respectively; through opening two sets of second motors, through two sets of second transmission case transmissions respectively, make two sets of second gears respectively with the meshing transmission of multiunit teeth of a cogwheel, carry out lateral shifting to the position that the sealing door carries out, cooperate elevating gear to realize automatic feeding and automatic row material to improve equipment's practicality.

Preferably, the refrigerator further comprises a filter box and a plurality of groups of filter screens, the top end of the filter box is connected with the bottom end of the freezing bin, the right end of the filter box is connected with the left end of the air inlet valve, the interior of the filter box is communicated with the interior of the freezing bin, and the plurality of groups of filter screens are all arranged in the filter box; the air inlet valve is opened, air enters the inside of the filter box, and is filtered by the multiple groups of filter screens, then the air enters the inside of the freezing bin, so that dust entering the freezing bin is reduced, and the dustproof effect of the equipment is improved.

Compared with the prior art, the beneficial effects of the utility model are that: the second support frame is moved to the outside of the freezing bin through the driving device, then materials are placed in the multiple groups of trays, then the multiple groups of trays are placed on the second support frame, the position of the second support frame is lifted through the lifting device, the multiple groups of trays are higher than the multiple groups of first support frames, the second support frame is sent into the freezing bin through the driving device, then the lifting device is reset, the multiple groups of trays are placed on the multiple groups of first support frames through the second support frame, the second support frame is moved to the outside of the freezing bin through the driving device, the multiple groups of trays with the materials additionally placed are placed on the second support frame, then the driving device sends the second support frame into the freezing bin, the inside of the freezing bin is cooled through the refrigerating machine, the materials are frozen, then the inside of the freezing bin is vacuumized through the vacuumizing device, water vapor is discharged into the water collection device, the materials in the freezing bin are subjected to freeze-drying treatment, after the materials are freeze-dried, the lifting driving device and the lifting device are reversely repeated, the multiple groups of trays on the second support frame and the multiple groups of the first support frames are sequentially taken out, and the multiple groups of the first support frames, so that the multiple groups of the freezing bin is practical equipment.

Drawings

Fig. 1 is a schematic front sectional view of the present invention;

fig. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 1;

FIG. 4 is an enlarged schematic view of a portion B of FIG. 1 according to the present invention;

fig. 5 is an enlarged schematic view of the second support frame of the present invention;

fig. 6 is a schematic front view of the tray of the present invention;

fig. 7 is an enlarged schematic view of the front section of the heating tube of the present invention;

in the drawings, the reference numbers: 1. a base; 2. a freezing bin; 3. a refrigerator; 4. a first support frame; 5. a sealing door; 6. a second support frame; 7. a tray; 8. a vacuum pump; 9. a connecting valve; 10. an intake valve; 11. a condenser tank; 12. a semiconductor refrigeration plate; 13. heating a tube; 14. a heating element; 15. a connecting pipe; 16. a rack; 17. a first transmission case; 18. a first motor; 19. a first gear; 20. a slide rail; 21. a slider; 22. a second transmission case; 23. a second motor; 24. gear teeth; 25. a second gear; 26. a filter box; 27. and (5) filtering the screen.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

The vacuumizing device and the moisture collecting device are both arranged at the top of the refrigerating device, the refrigerating device is used for refrigerating materials, the vacuumizing device is used for vacuumizing the interior of the refrigerating device, and the moisture collecting device is used for carrying out centralized treatment on biochemical water vapor;

the refrigerating device comprises a base 1, a refrigerating chamber 2, a refrigerating machine 3, a plurality of groups of first supporting frames 4, a sealing door 5, a second supporting frame 6, a lifting device and a driving device, wherein the bottom end of the refrigerating chamber 2 is connected with the top end of the base 1, a cavity is arranged inside the refrigerating chamber 2, the left end of the refrigerating machine 3 is connected with the right end of the refrigerating chamber 2, the right ends of the groups of first supporting frames 4 are all connected with the right end in the refrigerating chamber 2, the driving device is installed at the top end of the base 1, the bottom end of the sealing door 5 is installed on the driving device, the left end of the second supporting frame 6 is slidably installed at the right end of the sealing door 5, and the driving device is installed on the second supporting frame 6;

the vacuumizing device comprises a vacuum pump 8, a connecting valve 9 and an air inlet valve 10, the bottom end of the vacuum pump 8 is connected with the top end of the freezing chamber 2, the left end of the vacuum pump 8 is provided with an exhaust port, the right end of the vacuum pump 8 is provided with an air suction port, the connecting valve 9 is installed on the air suction port of the vacuum pump 8, and the air inlet valve 10 is installed at the bottom of the freezing chamber 2;

the moisture collecting device comprises a condensing box 11, a semiconductor refrigerating plate 12, a heating pipe 13, a plurality of groups of heating elements 14 and a connecting pipe 15, wherein the bottom end of the condensing box 11 is connected with the top end of the freezing bin 2, a drain valve is arranged at the bottom of the front end of the condensing box 11, the left end of the condensing box 11 is connected with the right end of a connecting valve 9, the semiconductor refrigerating plate 12 is installed at the top of the condensing box 11, the bottom end of the semiconductor refrigerating plate 12 extends to the inside of the condensing box 11, the left end of the heating pipe 13 is connected with the right end of the condensing box 11, the plurality of groups of heating elements 14 are installed inside the heating pipe 13, and the right end of the heating pipe 13 is communicated with the inside of the freezing bin 2 through the connecting pipe 15;

the second supporting frame 6 is moved to the outside of the freezing chamber 2 by a driving device, then the materials are placed in a plurality of groups of trays 7, then a plurality of groups of trays 7 are placed on the second supporting frame 6, the position of the second supporting frame 6 is raised by a lifting device, the plurality of groups of trays 7 are higher than the plurality of groups of first supporting frames 4, then the second supporting frame 6 is sent to the inside of the freezing chamber 2 by the driving device, then the lifting device is reset, the plurality of groups of trays 7 are respectively placed on the plurality of groups of first supporting frames 4 by the second supporting frame 6, then the second supporting frame 6 is moved to the outside of the freezing chamber 2 by the driving device, the plurality of groups of trays 7 which are additionally provided with the materials are placed on the second supporting frame 6, then the driving device sends the second supporting frame 6 into the freezing chamber 2, the inside of the freezing chamber 2 is cooled by the refrigerator 3, the materials are frozen, then the vacuum pump 8 and the connecting valve 9 are opened, discharging gas in the freezing bin 2, vacuumizing the inside of the freezing bin 2, simultaneously introducing water vapor in the freezing bin 2 into the heating pipe 13, heating the water vapor through a plurality of groups of heating elements 14 in the heating pipe 13, then discharging the water vapor into the condensing box 11, cooling the heated water vapor through the semiconductor refrigerating plate 12, condensing the water vapor on the semiconductor refrigerating plate 12 to form water drops, dripping the water drops on the bottom of the condensing box 11, discharging the gas in the condensing box 11 through the vacuum pump 8, then opening a drain valve of the condensing box 11, discharging the water in the condensing box 11, freeze-drying the material in the freezing bin 2, after the material is freeze-dried, opening the air inlet valve 10 to discharge the air out of the inside of the freezing bin 2, simultaneously continuously operating the vacuum pump 8 to discharge the residual water vapor in the freezing bin 2, and reversely repeating the steps of the lifting driving device and the lifting device, the multiple groups of trays 7 on the second support frame 6 and the multiple groups of trays 7 on the multiple groups of first support frames 4 are taken out in sequence, so that the practicability of the equipment is improved.

Example 2

the refrigerating device comprises a base 1, a refrigerating chamber 2, a refrigerator 3, a plurality of groups of first support frames 4, a sealing door 5, a second support frame 6, a lifting device and a driving device, wherein the bottom end of the refrigerating chamber 2 is connected with the top end of the base 1, a cavity is arranged inside the refrigerating chamber 2, the left end of the refrigerator 3 is connected with the right end of the refrigerating chamber 2, the right ends of the plurality of groups of first support frames 4 are connected with the right end inside the refrigerating chamber 2, the driving device is arranged at the top end of the base 1, the bottom end of the sealing door 5 is arranged on the driving device, the left end of the second support frame 6 is slidably arranged at the right end of the sealing door 5, and the driving device is arranged on the second support frame 6;

the lifting device comprises two groups of racks 16, two groups of first transmission boxes 17, two groups of first motors 18 and two groups of first gears 19, wherein the left ends of the two groups of racks 16 are connected with the right end of the sealing door 5, one ends of the two groups of first transmission boxes 17 are respectively connected with the front end and the rear end of the second supporting frame 6, the other ends of the two groups of first transmission boxes 17 are respectively provided with an output end, the top ends of the two groups of first transmission boxes 17 are respectively provided with an input end, the two groups of first motors 18 are respectively arranged at the tops of the two groups of first transmission boxes 17, the bottom ends of the two groups of first motors 18 are respectively connected with the input ends of the two groups of first transmission boxes 17, one ends of the two groups of first gears 19 are respectively connected with the output ends of the two groups of first transmission boxes 17, and the left ends of the two groups of first gears 19 are respectively connected with the right ends of the two groups of racks 16 in a meshing manner;

the driving device comprises a sliding rail 20, a sliding block 21, two groups of second transmission boxes 22, two groups of second motors 23, a plurality of groups of gear teeth 24 and two groups of second gears 25, the bottom end of the sliding rail 20 is connected with the top end of the base 1, the sliding block 21 is slidably mounted on the sliding rail 20, the top end of the sliding block 21 is connected with the bottom end of the sealing door 5, one end of each group of gear teeth 24 is connected with the front end and the rear end of the sliding rail 20 respectively, one end of each group of second transmission boxes 22 is connected with the front end and the rear end of each group of sliding blocks 21 respectively, the bottom ends of the two groups of second transmission boxes 22 are provided with output shafts respectively, the side ends of the two groups of second transmission boxes 22 are provided with input shafts respectively, the two groups of second motors 23 are mounted on the side ends of the two groups of second transmission boxes 22 respectively, the side ends of the two groups of second motors 23 are connected with the input shafts of the two groups of second transmission boxes 22 respectively, the top ends of the two groups of second gears 25 are connected with the output shafts of second transmission boxes 22 respectively, and one end of the second gears 25 is connected with the groups of gear teeth 24 in a meshed manner respectively;

two groups of second motors 23 are opened, two groups of second gears 25 are respectively driven by two groups of second transmission boxes 22 to be meshed with a plurality of groups of gear teeth 24 for transmission, the second support frame 6 is moved to the outside of the freezing chamber 2, then materials are placed in a plurality of groups of trays 7, then the plurality of groups of trays 7 are placed on the second support frame 6, two groups of first motors 18 are opened, two groups of first gears 19 are respectively driven by two groups of first transmission boxes 17 for meshing transmission, the second support frame 6 is lifted, the plurality of groups of trays 7 are higher than the plurality of groups of first support frames 4, then the two groups of second motors 23 run in reverse directions, the second support frame 6 is sent into the inside of the freezing chamber 2, then the two groups of first motors 18 run in reverse directions, the lifting device is reset, the second support frame 6 is enabled to respectively place the plurality of groups of trays 7 on the plurality of groups of first support frames 4, then two groups of second motors 23 are opened, two groups of second transmission boxes 22 are respectively used for transmission, two groups of second gears 25 are respectively meshed with a plurality of groups of gear teeth 24 for transmission, the second support frame 6 is moved to the outside of the freezing bin 2, a plurality of groups of trays 7 which are additionally provided with materials are placed on the second support frame 6, then the two groups of second motors 23 run reversely, the second support frame 6 is sent into the freezing bin 2, the inside of the freezing bin 2 is cooled through a refrigerator 3 to freeze the materials, the inside of the freezing bin 2 is vacuumized through a vacuumizing device, water vapor is discharged into a moisture collection device, the materials in the freezing bin 2 are subjected to freeze-drying treatment, after the materials are freeze-dried, the lifting driving device and the lifting device are reversely repeated, and the plurality of groups of trays 7 on the second support frame 6 and the plurality of groups of trays 7 on the plurality of groups of first support frames 4 are sequentially taken out, thereby improving the utility of the device.

As shown in fig. 1 to 7, in the operation of the vacuum freeze drying device for plant extract of the present invention, the second support frame 6 is moved to the outside of the freezing chamber 2 by opening the two sets of second motors 23 and respectively transmitting the two sets of second gears 25 through the two sets of second transmission boxes 22 to respectively engage with the multiple sets of gear teeth 24 for transmission, then the material is placed in the multiple sets of trays 7, then the multiple sets of trays 7 are placed on the second support frame 6, the two sets of first motors 18 are opened and respectively transmitted through the two sets of first transmission boxes 17 to respectively engage with the two sets of racks 16 for transmission, the second support frame 6 is lifted, the multiple sets of trays 7 are higher than the multiple sets of first support frames 4, then the two sets of second motors 23 run in reverse direction, the second support frame 6 is sent into the freezing chamber 2, and then the two sets of first motors 18 run in reverse direction, resetting the lifting device, enabling the second support frame 6 to respectively place a plurality of groups of trays 7 on a plurality of groups of first support frames 4, then respectively driving the second support frames 6 through two groups of second motors 23 through two groups of second transmission boxes 22, enabling two groups of second gears 25 to respectively mesh with a plurality of groups of gear teeth 24 for transmission, moving the second support frames 6 to the outside of the freezing bin 2, placing a plurality of groups of trays 7 with other materials on the second support frame 6, then reversely operating the two groups of second motors 23, then sending the second support frames 6 into the freezing bin 2, cooling the inside of the freezing bin 2 through the refrigerator 3 to freeze the materials, then opening the vacuum pump 8 and the connecting valve 9 to discharge the gas in the freezing bin 2, vacuumizing the inside of the freezing bin 2, discharging water vapor into the inside of the heating pipe 13, and heating the water vapor through a plurality of groups of heating elements 14 in the heating pipe 13, discharge steam to the condensing box 11 again, lower the temperature through the steam of semiconductor refrigeration board 12 to the heating, make steam condensate on semiconductor refrigeration board 12, after forming the water droplet, the bottom of drippage in condensing box 11, carry out freeze-drying treatment to the material in freezing storehouse 2, after the material freeze-drying, open admission valve 10, after multiunit filter screen 27 filters the air, the inside with air escape freezing storehouse 2 again, vacuum pump 8 continuously operates simultaneously, discharge remaining steam in freezing storehouse 2, then make and rise drive arrangement and elevating gear reverse repetition above-mentioned step, it can to take out multiunit tray 7 on the second support frame 6 and multiunit tray 7 on the multiunit first support frame 4 in proper order.

The utility model discloses the main function who realizes does: realize automatic feeding and automatic row material, reduce staff's amount of labour to carry out centralized processing to the steam in freezing storehouse 2, reduce steam to evacuating device and surrounding environment's influence.

The vacuum freeze-drying device for the plant extract has the advantages that the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the vacuum freeze-drying device can be implemented as long as the beneficial effects are achieved; the utility model discloses a plant extract vacuum freeze drying device's refrigerator 3, vacuum pump 8, semiconductor refrigeration board 12, heating element 14, first motor 18 and second motor 23 are purchase on the market, and this industry technical staff only need according to its subsidiary specification install and operate can, and need not the technical staff creative work in the field of paying.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A plant extract vacuum freeze-drying device is characterized by comprising a freezing device, a vacuumizing device and a moisture collecting device, wherein the vacuumizing device and the moisture collecting device are both arranged at the top of the freezing device;

the refrigerating device comprises a base (1), a refrigerating bin (2), a refrigerating machine (3), a plurality of groups of first supporting frames (4), a sealing door (5), a second supporting frame (6), a lifting device and a driving device, the bottom end of the refrigerating bin (2) is connected with the top end of the base (1), a cavity is arranged inside the refrigerating bin (2), the left end of the refrigerating machine (3) is connected with the right end of the refrigerating bin (2), the right end of the plurality of groups of first supporting frames (4) is connected with the right end in the refrigerating bin (2), the driving device is installed on the top end of the base (1), the bottom end of the sealing door (5) is installed on the driving device, the left end of the second supporting frame (6) is slidably installed at the right end of the sealing door (5), and the driving device is installed on the second supporting frame (6).

2. The vacuum freeze-drying device for plant extract as claimed in claim 1, wherein the vacuum pumping device comprises a vacuum pump (8), a connecting valve (9) and an air inlet valve (10), the bottom end of the vacuum pump (8) is connected with the top end of the freezing chamber (2), the left end of the vacuum pump (8) is provided with an exhaust port, the right end of the vacuum pump (8) is provided with an air inlet port, the connecting valve (9) is installed on the air inlet port of the vacuum pump (8), and the air inlet valve (10) is installed at the bottom of the freezing chamber (2).

3. The plant extract vacuum freeze-drying device according to claim 2, wherein the moisture collecting device comprises a condensation box (11), a semiconductor refrigeration plate (12), a heating pipe (13), a plurality of groups of heating elements (14) and a connecting pipe (15), the bottom end of the condensation box (11) is connected with the top end of the freezing bin (2), a drain valve is arranged at the bottom of the front end of the condensation box (11), the left end of the condensation box (11) is connected with the right end of the connecting valve (9), the semiconductor refrigeration plate (12) is installed at the top of the condensation box (11), the bottom end of the semiconductor refrigeration plate (12) extends to the inside of the condensation box (11), the left end of the heating pipe (13) is connected with the right end of the condensation box (11), the plurality of groups of heating elements (14) are installed inside the heating pipe (13), and the right end of the heating pipe (13) is communicated with the inside of the freezing bin (2) through the connecting pipe (15).

4. The vacuum freeze-drying device for plant extract according to claim 1, wherein the lifting device comprises two sets of racks (16), two sets of first transmission boxes (17), two sets of first motors (18) and two sets of first gears (19), the left ends of the two sets of racks (16) are connected to the right end of the sealing door (5), one ends of the two sets of first transmission boxes (17) are connected to the front end and the rear end of the second supporting frame (6), the other ends of the two sets of first transmission boxes (17) are provided with output ends, the top ends of the two sets of first transmission boxes (17) are provided with input ends, the two sets of first motors (18) are mounted on the top of the two sets of first transmission boxes (17), the bottom ends of the two sets of first motors (18) are connected to the input ends of the two sets of first transmission boxes (17), one ends of the two sets of first gears (19) are connected to the output ends of the two sets of first transmission boxes (17), and the left ends of the first gears (19) are meshed with the right ends of the two sets of racks (16).

5. A plant extract vacuum freeze-drying device as claimed in claim 1, wherein the driving device comprises a slide rail (20), a slider (21), two sets of second transmission boxes (22), two sets of second motors (23), a plurality of sets of gear teeth (24) and two sets of second gears (25), the bottom end of the slide rail (20) is connected with the top end of the base (1), the slider (21) is slidably mounted on the slide rail (20), the top end of the slider (21) is connected with the bottom end of the sealing door (5), one end of the plurality of sets of gear teeth (24) is respectively connected with the front end and the rear end of the slide rail (20), one end of the two sets of second transmission boxes (22) is respectively connected with the front end and the rear end of the two sets of slider (21), and the bottom end of the two sets of second transmission boxes (22) is provided with an output shaft, the side ends of the two sets of second transmission boxes (22) are provided with input shafts, the two sets of second motors (23) are respectively mounted on the side ends of the second transmission boxes (22), and the two sets of second motors (23) are respectively connected with the input ends of the two sets of second transmission boxes (22), and the ends of the second transmission boxes are respectively connected with the output shafts, and the two sets of second gears (25) are respectively connected with the ends of the second transmission boxes (22), and the output shafts of the second transmission boxes are respectively engaged with the output shafts.

6. The vacuum freeze-drying device for plant extract as claimed in claim 2, further comprising a filter box (26) and a plurality of sets of filter screens (27), wherein the top end of the filter box (26) is connected with the bottom end of the freezing chamber (2), the right end of the filter box (26) is connected with the left end of the air inlet valve (10), the interior of the filter box (26) is communicated with the interior of the freezing chamber (2), and the plurality of sets of filter screens (27) are installed inside the filter box (26).