Vacuum freeze dryer

Abstract

The utility model discloses a vacuum freeze dryer, which is applied to the technical field of dryers, and comprises a machine body, a vacuum cover and a dredging assembly, a cold trap is arranged in the machine body, a material rack is arranged above the cold trap, the material rack is placed above the machine body, and the material rack is provided with five layers, material trays are placed on four layers of the material shelf, and dredging holes are formed in the material trays and the material shelf; the dredging assembly comprises a dredging frame, a dredging rod, a sealing cylinder and a motor, the dredging frame comprises a guide rod, a dredging disc and a connecting disc, the dredging disc is arranged below the material frame provided with the material disc, the connecting disc is arranged above the material frame, the guide rod is fixedly connected with the dredging disc and the connecting disc, and the sealing cylinder is fixedly connected with the dredging disc and the connecting disc. According to the material drying device, in the material drying process, the bottoms of materials can be dredged, adhesion is avoided, and the drying effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a drying machine technical field, concretely is a kind of vacuum freeze-drying machine. BACKGROUND

[0002] Vacuum freeze-drying machine is the new structure that refrigeration system, vacuum system, heat conducting oil heating system and wet removal system are combined integrally, greatly utilize the material storage space in cabinet to dry, and vacuum freeze-drying machine is suitable for drying of high-grade crude drug, traditional Chinese medicine decoction piece, seafood, wild vegetable, dehydrated vegetable, food, fruit and chemical pharmaceutical intermediates and other materials.

[0003] In material preservation, vacuum freeze-drying machine needs to be used, but in the drying process of existing vacuum freeze-drying machine, the material just placed on the material disc is high in humidity, and after placement, it is easy to stick to the material disc, and the sticking part not only appears insufficient drying, but also is difficult to take down after drying, if manual material turning is avoided during drying to avoid sticking, then the labor of operation is increased, time and effort are wasted, and the convenience of vacuum freeze-drying machine is reduced.

[0004] Therefore, it is necessary to provide a vacuum freeze-drying machine to solve the above problems. INVENTION CONTENTS

[0005] The utility model discloses a kind of vacuum freeze-drying machines, can dredge material bottom in the material drying process, avoid material and material disc sticking, improve material drying effect, to solve the problems presented in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of vacuum freeze-drying machine, including machine body, vacuum cover and dredging component, cold trap is arranged in machine body, and the upper portion of cold trap is provided with five layers of material rack, and five layers of material rack are placed above machine body;

[0007] The fourth layer of material rack is placed with material disc, and dredging hole is arranged on material disc and material rack;

[0008] Dredging component includes dredging frame, dredging rod, sealing cylinder and motor, dredging frame includes guide rod, dredging disc and connecting disc, dredging disc is arranged below the material rack with material disc, connecting disc is arranged above material rack, guide rod and dredging disc, connecting disc are fixedly connected, guide rod is slidably connected with material rack, dredging rod is fixed to the top of dredging disc, the setting of dredging hole is convenient for dredging rod to pass through dredging hole and lift the material of freeze-drying, avoid the material to be dried and material disc adhesion, it is favorable to improve drying effect.

[0009] According to the technical scheme, the top layer bearing of the material rack is connected with a lead screw, the lead screw is threadedly connected with the connecting disc, the top of the lead screw is fixedly connected with a limiting block, the sealing cylinder is arranged at the top center of the vacuum cover, the motor is fixedly connected to the top of the sealing cylinder, the output shaft of the motor is fixedly connected with a limiting cylinder, the limiting block and the limiting cylinder are arranged, the limiting block can be connected with the output shaft of the motor without affecting the installation of the vacuum cover, so that the drying material can be lifted up to avoid adhesion by starting the motor to drive the dredging frame to move up and down.

[0010] According to the technical scheme, the top of the connecting disc is fixedly connected with a handle, and the handle is arranged to facilitate the placement and removal of the material rack and the dredging frame.

[0011] According to the technical scheme, the top of the body is fixedly connected with a sealing ring, and the vacuum cover is arranged on the sealing ring to form a vacuum freezing space.

[0012] According to the technical scheme, the body is fixedly connected with a touch screen, and the touch screen is arranged to facilitate the setting, adjustment and display of operation parameters and operation procedures.

[0013] According to the technical scheme, the body is provided with a heat dissipation opening, and the heat dissipation opening is arranged to facilitate heat dissipation and avoid the influence of high temperature on the normal operation of the equipment.

[0014] According to the technical scheme, the body is provided with an air suction port, an air exhaust port and an inflation pipeline, the air suction port is arranged above the side of the body, the air exhaust port and the inflation pipeline are arranged below the side of the body, the air exhaust port is located on the left side of the inflation pipeline, the air suction port is arranged to be connected with a vacuum machine to perform vacuumization, the air exhaust port is arranged to be connected with a pressure relief valve to reduce the air exhaust pressure and improve safety, and the inflation pipeline is arranged to be connected with an air pump to release the vacuum condition or adjust the vacuum degree in the vacuum cover.

[0015] Compared with the prior art, the utility model has the advantages that the dredging assembly is arranged, the dredging frame can move up and down during the drying process, the dredging rod can move in the dredging hole, the material in the material disc is lifted up to avoid adhesion, the guide rod is arranged to ensure that the dredging rod corresponds to the position of the dredging hole of the material rack, the dredging rod is prevented from being damaged when the dredging assembly is used, and the drying effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with embodiments of the utility model, and do not constitute limitations to the utility model.In the drawings:

[0017] Figure 1 It is the overall structure schematic view of the utility model;

[0018] Figure 2 is a part structure schematic view of the utility model;

[0019] Figure 3 is a part structure schematic view of the utility model; Figure 2 is an A area enlarged schematic view in the utility model;

[0020] Figure 4 is a part structure sectional view schematic view of the utility model;

[0021] Figure 5 is a part structure schematic view of the utility model; Figure 4 is a B area enlarged schematic view in the utility model;

[0022] In the drawing: 1, machine body;2, sealing ring;3, vacuum cover;4, material rack;5, material tray;6, dredging hole;7, dredging frame;71, guide rod;72, dredging tray;73, connecting disc;8, dredging rod;9, sealing cylinder;10, motor;11, limiting cylinder;12, screw;13, limiting block;14, touch screen;15, heat dissipation port;16, suction port;17, exhaust port;18, inflation pipeline;19, handle;20, cold trap. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides technical scheme: a vacuum freeze dryer, including machine body 1, vacuum cover 3 and dredging assembly, machine body 1 top fixedly connected with sealing ring 2, vacuum cover 3 sets up on sealing ring 2, and vacuum cover 3 is organic glass cover.

[0025] The cold trap 20 is arranged in the machine body 1, the material rack 4 is arranged above the cold trap 20, the material rack 4 is provided with five layers, and the five layers of material racks 4 are placed above the machine body 1, four layers of material racks 4 are placed on the material tray 5, the dredging hole 6 is arranged on the material tray 5 and the material rack 4, and the dredging hole 6 is provided with a plurality of groups.

[0026] The dredging assembly comprises a dredging frame 7, a dredging rod 8, a sealing cylinder 9 and a motor 10, the dredging frame 7 comprises a guide rod 71, a dredging disc 72 and a connecting disc 73, the dredging disc 72 is arranged below the material frame 4 provided with the material disc 5, the connecting disc 73 is arranged above the material frame 4, the guide rod 71 is fixedly connected with the dredging disc 72 and the connecting disc 73, the guide rod 71 is in sliding connection with the material frame 4, the guide rod 71 plays a limiting and guiding role, the dredging rod 8 is arranged in several groups, the dredging rod 8 is fixed to the top of the dredging disc 72, the diameter of the dredging rod 8 is smaller than that of the dredging hole 6, the position of the dredging rod 8 corresponds to that of the dredging hole 6, the dredging frame 7 moves up and down, driving the dredging rod 8 on the dredging disc 72 to move up and down, so that the dredging rod 8 moves in the dredging hole 6, and the material to be dried can be lifted up during the drying process to avoid adhesion.

[0027] The most top layer bearing of the material frame 4 is connected with a lead screw 12, the lead screw 12 is in threaded connection with the connecting disc 73, the top of the lead screw 12 is fixedly connected with a limiting block 13, the sealing cylinder 9 is arranged at the top center of the vacuum cover 3, the motor 10 is fixedly connected to the top of the sealing cylinder 9, the output shaft of the motor 10 is fixedly connected with a limiting cylinder 11, a limiting groove is formed in the bottom of the limiting cylinder 11, the limiting groove is matched with the limiting block 13 in shape and size, during installation, the limiting block 13 is aligned with the limiting cylinder 11 to form an integral whole, the motor 10 is started, driving the limiting cylinder 11 to rotate, the limiting cylinder 11 drives the lead screw 12 to rotate, and the lead screw 12 drives the dredging frame 7 to move up and down.

[0028] The top of the connecting disc 73 is fixedly connected with a handle 19, the handle 19 is used for conveniently placing and taking down the material frame 4 and the dredging frame 7.

[0029] The machine body 1 is fixedly connected with a touch screen 14, the touch screen 14 is used for setting operation parameters and displaying operation procedures.

[0030] The machine body 1 is provided with a heat dissipation opening 15, the heat dissipation opening 15 is used for heat dissipation, avoiding that the equipment temperature is too high during drying to affect the equipment operation.

[0031] The machine body 1 is provided with an air suction opening 16, an air release opening 17 and an air charging pipeline 18, the air suction opening 16 is arranged above the side of the machine body 1, the air release opening 17 and the air charging pipeline 18 are arranged below the side of the machine body 1, the air release opening 17 is located on the left side of the air charging pipeline 18, the air suction opening 16 is used for connecting a vacuum machine to suck the inside of the vacuum cover 3 into vacuum; the air release opening 17 is used for connecting a pressure relief valve to reduce the pressure during air release and stabilize air release, and to release the vacuum condition; the air charging pipeline 18 is used for connecting an air pump to charge air into the vacuum cover 3 to release the vacuum condition or to adjust the vacuum degree in the vacuum cover 3.

[0032] Working principle: when using, the material to be dried is placed on the material tray 5, then the material tray 5 is placed on the material rack 4, and the positions of the through holes 6 on the material tray 5 and the material rack 4 are adjusted to correspond, then the material rack 4 is placed above the machine body 1, and the vacuum cover 3 is placed on the sealing ring 2 at the top of the machine body 1, when placing the vacuum cover 3, the position of the vacuum cover 3 is adjusted so that the limiting block 13 is aligned with the limiting cylinder 11, so as to facilitate the formation of an integral whole, then the vacuum machine is started to vacuum the inside of the vacuum cover 3, and the machine body 1 is started to cool the inside of the vacuum cover 3, so as to vacuum freeze dry the material, the motor 10 is controlled to start during the vacuum freeze drying process, drives the limiting cylinder 11 to rotate, drives the lead screw 12 to rotate through the rotation of the limiting cylinder 11, so as to drive the through frame 7 to move up and down through the transmission of the lead screw 12, realizes the up and down movement of the through rod 8 in the through hole 6, lifts the material to be dried in the material tray 5, avoids the adhesion of the dried material to the material tray 5, and improves the drying effect.

[0033] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0034] Finally, it should be noted that: the above only the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application has been made, for the person skilled in the art, it still can be modified to the technical scheme recorded in the foregoing embodiments, or equivalent replacement of some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A vacuum freeze-dryer comprising a machine body (1), a vacuum hood (3) and a defrosting assembly, characterized in that, The machine body (1) is internally provided with a cold trap (20), and five layers of material shelves (4) are arranged above the cold trap (20), and the five layers of material shelves (4) are arranged above the machine body (1); Four layers of the material shelves (4) are provided with material trays (5), and the material trays (5) and the material shelves (4) are provided with dredging holes (6); The dredging assembly comprises a dredging frame (7), a dredging rod (8), a sealing cylinder (9) and a motor (10), the dredging frame (7) comprises a guide rod (71), a dredging disc (72) and a connecting disc (73), the dredging disc (72) is arranged below the material shelf (4) provided with the material tray (5), the connecting disc (73) is arranged above the material shelf (4), the guide rod (71) is fixedly connected with the dredging disc (72) and the connecting disc (73), and the guide rod (71) is in sliding connection with the material shelf (4), and the dredging rod (8) is fixed to the top of the dredging disc (72).

2. A vacuum freeze-dryer as claimed in claim 1, characterised in that, The top layer of the material shelf (4) is provided with a lead screw (12), the lead screw (12) is in threaded connection with the connecting disc (73), the top of the lead screw (12) is fixedly connected with a limiting block (13), the sealing cylinder (9) is arranged at the top center of the vacuum cover (3), the motor (10) is fixedly connected to the top of the sealing cylinder (9), and the output shaft of the motor (10) is fixedly connected with a limiting cylinder (11).

3. A vacuum freeze-dryer as claimed in claim 2, characterised in that, The top of the connecting disc (73) is fixedly connected with a handle (19).

4. A vacuum freeze-dryer as claimed in claim 1, wherein The top of the machine body (1) is fixedly connected with a sealing ring (2), and the vacuum cover (3) is arranged on the sealing ring (2).

5. A vacuum freeze-dryer as claimed in claim 1, wherein A touch screen (14) is fixedly connected to the machine body (1).

6. A vacuum freeze-dryer as claimed in claim 1, wherein A heat dissipation opening (15) is arranged on the machine body (1).

7. A vacuum freeze-dryer as claimed in claim 1, wherein An air outlet (16), an air outlet (17) and an air charging pipeline (18) are arranged on the machine body (1), the air outlet (16) is arranged on the upper side of the machine body (1), the air outlet (17) and the air charging pipeline (18) are arranged on the lower side of the machine body (1), and the air outlet (17) is located on the left side of the air charging pipeline (18).

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