Vacuum freeze dryer with adjustable spacing between partition plates

Abstract

The utility model provides a vacuum freeze dryer with the adjustable partition plate distance, and belongs to the technical field of freeze dryers. Comprising a freeze drying box, the inner side of the freeze drying box is fixedly connected with a bottom plate, the periphery of the top of the bottom plate is fixedly connected with side rods, the tops of the four side rods are fixedly connected with the same top plate, the tops of the four side rods are slidably connected with the same sliding plate, and the tops of the bottom plate, the top plate and the sliding plate are fixedly connected with sliding rails; a placing frame is slidably connected to the inner side of the sliding rail; by arranging the two-way screw rod, the driving strips and the transmission rod, the device can drive the driving strips on the two sides to oppositely and synchronously move through the two-way screw rod, and the transmission rod is rotationally connected with the bottom plate to push the sliding plate to slide between the side rods, so that the distance among the bottom plate, the sliding plate and the top plate is adjusted, and raw materials with large sizes can be conveniently put into the device; and the application range of the device is widened.

Description

Technical Field

[0001] This utility model relates to the field of freeze dryer technology, and in particular to a vacuum freeze dryer with adjustable partition spacing. Background Technology

[0002] With the improvement of living standards, people are paying more and more attention to food health. Food safety is also a huge problem we are facing. In order to meet people's demand for natural and nutritious food, the freeze-drying process requires the use of a vacuum freeze dryer to remove the water from the fruit while preserving the original color, shape and nutritional components of the fruit. It can be stored for a long time and has good rehydration properties.

[0003] The patent with publication number CN220338881U discloses a vacuum freeze dryer. The bottom plate has four sets of support seats, the bottom of the vacuum freeze dryer body has two sets of bases spaced apart, the vacuum freeze dryer body has a closed door, the vacuum freeze dryer body has a mounting frame, the mounting frame has three sets of mounting plates spaced apart, each of the three mounting plates has a placement frame, the placement frame has two sets of freezing placement slots, the placement frame is slidably connected to a sliding block, the sliding block is detachably connected to an auxiliary plate, the bottom of the auxiliary plate has a number of toggle levers spaced apart, and the sliding block is driven by a reciprocating device.

[0004] In the above case, the raw materials are placed in the freezing placement slots above multiple mounting plates. The auxiliary plates are then driven by a reciprocating screw, which in turn drives a lever to move the freeze dryer to prevent them from freezing together. However, the height of the mounting plates cannot be adjusted, which means that the spacing between the mounting plates cannot be adjusted. This makes it difficult to place large raw materials, reducing the applicability of the device.

[0005] Therefore, this utility model provides a vacuum freeze dryer with adjustable partition spacing to meet the requirements. Utility Model Content

[0006] The purpose of this invention is to provide a vacuum freeze dryer with adjustable partition spacing to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a vacuum freeze dryer with adjustable partition spacing, comprising a freeze drying chamber, a bottom plate fixedly connected to the inner side of the freeze drying chamber, side rods fixedly connected to the top of the bottom plate around its four sides, a top plate fixedly connected to the top of the four side rods, a sliding plate slidably connected between the four side rods, a slide rail fixedly connected to the top of the bottom plate, top plate, and sliding plate, a placement frame slidably connected to the inner side of the slide rail, a plurality of inner grooves and connecting grooves being provided at the top of the placement frame, the inner grooves and connecting grooves being cross-connected, a release frame being snapped into the top of the placement frame through the inner grooves, the release frame comprising a plurality of inner frames fixedly connected to the inner side, a plurality of connecting frames whose positions are adapted to the connecting grooves being fixedly connected between the inner frames, a bidirectional screw rotatably connected to the bottom of the sliding plate, drive bars threadedly connected to both ends of the outer side of the bidirectional screw, transmission rods rotatably connected to both ends of the bottom of the drive bars, the bottom ends of the four transmission rods being rotatably connected to both ends of the two sides of the bottom plate respectively, and a sealing door hinged to one side of the freeze drying chamber.

[0008] In a preferred embodiment, the placement frame includes an outer side strip that is fixedly connected to the outside, and the side strip is slidably connected to the inner side of the corresponding slide rail.

[0009] In a preferred embodiment, the inner frame is snapped into the corresponding inner groove, and the depth of the inner groove is greater than the thickness of the inner frame.

[0010] In a preferred embodiment, the inner frame and the connecting frame are cross-connected, and the thickness of the connecting frame is the same as that of the inner frame.

[0011] In a preferred embodiment, the bottom plate, top plate, and slide plate are rotatably connected to a threaded rod on the side of the top of the sliding plate near the sealing door, and the other end is fixedly connected to a sliding rod. One end of the release frame is threaded to the outside of the threaded rod, and the other end is slidably connected to the outside of the sliding rod.

[0012] In a preferred embodiment, a throttle is fixedly connected to the side of the bidirectional screw near the freeze-drying chamber, and the top of the middle end of the drive bar is in close contact with the slide plate.

[0013] In a preferred embodiment, a freeze dryer is fixedly connected to the inside of the freeze drying chamber, and a vacuum pump and an extraction pump are fixedly connected to one side of the freeze drying chamber from top to bottom.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This utility model, by setting up a bidirectional screw, a drive bar, and a transmission rod, allows the device to drive the drive bars on both sides to move synchronously in opposite directions via the bidirectional screw, and pushes the slide plate to slide between the side bars through the rotational connection of the transmission rod with the base plate, thereby adjusting the distance between the base plate, the slide plate, and the top plate, making it easier to put in large-volume raw materials and expanding the applicability of the device.

[0016] This utility model, by setting up a release frame, an inner frame, a connecting frame, and an inner groove, allows the device to drive the release frame to move upward via a threaded rod, causing the inner frame and connecting frame to move upward and detach from the inner groove and connecting groove. This pushes the freeze-dried material frozen at the bottom of the inner side of the placement frame upward, so that it no longer adheres to the placement frame, making it easier to pick up the material and improving the working efficiency of the device. Attached Figure Description

[0017] Figure 1 This is a partially cutaway three-dimensional structural diagram of a vacuum freeze dryer with adjustable partition spacing;

[0018] Figure 2 A first-person perspective three-dimensional structural diagram of the fit between the base plate and the side bars;

[0019] Figure 3 A second-view three-dimensional structural diagram of the cooperation between the base plate and the side rods;

[0020] Figure 4 A schematic diagram showing the disassembled 3D structure of the skateboard and the placement frame.

[0021] In the diagram: 1. Freeze-drying oven; 2. Base plate; 3. Side rod; 4. Top plate; 5. Slide plate; 6. Slide rail; 7. Placement frame; 8. Side strip; 9. Inner groove; 10. Connecting groove; 11. Detachment rack; 12. Inner frame; 13. Connecting frame; 14. Double-acting screw; 15. Drive bar; 16. Transmission rod; 17. Threaded rod; 18. Sealing door. Detailed Implementation

[0022] The present invention will be further described below with reference to the embodiments.

[0023] The following embodiments are used to illustrate the present invention, but should not be used to limit the scope of protection of the present invention; the conditions in the embodiments can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the concept of the present invention are all within the scope of protection claimed by the present invention.

[0024] Please see Figures 1-4This utility model provides a vacuum freeze dryer with adjustable partition spacing, including a freeze drying chamber 1. A bottom plate 2 is fixedly connected to the inner side of the freeze drying chamber 1. Side rods 3 are fixedly connected to the top of the bottom plate 2 around all four sides. The top of the four side rods 3 is fixedly connected to the same top plate 4. The four side rods 3 are slidably connected to the same slide plate 5. The top of the bottom plate 2, top plate 4 and slide plate 5 are fixedly connected to the top of the slide rail 6. A placement frame 7 is slidably connected to the inner side of the slide rail 6. A bidirectional screw 14 is rotatably connected to the bottom of the slide plate 5. Drive bars 15 are threaded to both ends of the outer side of the bidirectional screw 14. Transmission rods 16 are rotatably connected to both ends of the bottom of the drive bars 15. The bottom ends of the four transmission rods 16 are respectively rotatably connected to the two ends of both sides of the bottom plate 2. A sealing door 18 is hinged to one side of the freeze drying chamber 1. The placement frame 7 includes a side strip 8 fixedly connected to the outer side. The side strip 8 is slidably connected to the inner side of the corresponding slide rail 6. A throttle is fixedly connected to the side of the bidirectional screw 14 near the freeze drying chamber 1. The top of the middle end of the drive bar 15 is tightly fitted to the slide plate 5.

[0025] Open the sealing door 18, rotate the double screw 14 to make the drive bars 15 at both ends move in opposite directions, and push the slide plate 5 to slide up and down between the side bars 3 through the transmission rod 16, thereby adjusting the height of the slide plate 5. Take out the placement frame 7, place the raw materials in each placement frame 7, push the placement frame 7, and close the sealing door 18.

[0026] The rotation of the bidirectional screw 14 drives the drive bars 15 on both sides to move synchronously in opposite directions. The bottom of the drive bars 15 is connected to the base plate 2 via the transmission rod 16, which transmits this driving force to the slide plate 5, pushing the slide plate 5 to slide up and down along the side rod 3. This allows the operator to flexibly adjust the position of the slide plate 5 according to the actual volume and height of the material, thereby providing sufficient space for the material and ensuring that it can be smoothly placed into the freeze-drying chamber 1. This flexibility greatly improves the applicability of the device, enabling it to adapt to various types of materials, whether small granular materials or large block materials, all of which can be effectively processed.

[0027] Please see Figures 1-4 The top of the placement frame 7 has several inner grooves 9 and connecting grooves 10, which are cross-connected. The top of the placement frame 7 is connected to a release frame 11 through the inner grooves 9. The release frame 11 includes several inner frames 12 fixedly connected on the inner side. Several connecting frames 13 with positions adapted to the connecting grooves 10 are fixedly connected between the inner frames 12. The inner frames 12 are snapped into the corresponding inner grooves 9, and the depth of the inner grooves 9 is greater than the thickness of the inner frames 12. The inner frames 12 and the connecting frames 13 are cross-connected. The thickness of the connecting frames 13 is the same as that of the inner frames 12. A freeze dryer with the model number TF-FD-1PF is fixedly connected to the inside of the freeze drying oven 1. A vacuum pump and a extraction pump are fixedly connected to one side of the freeze drying oven 1 from top to bottom.

[0028] The pressure inside the freeze-drying chamber 1 is reduced to the set vacuum level by a vacuum pump, and freeze-drying is carried out by a freeze dryer. The precipitated liquid water is discharged by a pump. After drying, the pressure is restored to normal pressure by a vacuum pump. The sealing door 18 is opened, the placement frame 7 is pulled out, the threaded rod 17 is rotated, and the release frame 11 is raised, so that the inner frame 12 and the connecting frame 13 rise and separate from the inner groove 9 and the connecting groove 10. The freeze dryer is pushed to separate from the placement frame 7 and then removed.

[0029] By rotating the threaded rod 17, the release frame 11 can be driven to move upward, causing the inner frame 12 and the connecting frame 13 to move upward, pushing the freeze-dried material frozen at the bottom of the inner side of the placement frame 7, thereby achieving rapid release of the material. This allows the operator to easily remove the freeze-dried material from the placement frame 7, greatly improving the convenience and efficiency of material removal and enhancing the overall working efficiency of the vacuum freeze dryer. At the same time, this design also reduces the potential damage to the material during the material removal process, ensuring the integrity and quality of the material.

[0030] The working principle and usage process of this utility model are as follows: Open the sealing door 18, rotate the bidirectional screw 14 to make the drive bars 15 at both ends move in opposite directions, and push the slide plate 5 to slide up and down between the side bars 3 through the transmission rod 16, thereby adjusting the height of the slide plate 5. Take out the placement frame 7, place the raw material in each placement frame 7, push the placement frame 7, close the sealing door 18, reduce the pressure in the freeze-drying chamber 1 to the set vacuum degree through the vacuum pump, freeze-dry through the freeze dryer, and discharge the precipitated liquid water through the extraction pump. After drying, restore the pressure to normal pressure through the vacuum pump, open the sealing door 18, take out the placement frame 7, rotate the threaded rod 17 to drive the release frame 11 to rise, so that the inner frame 12 and the connecting frame 13 rise and separate from the inner groove 9 and the connecting groove 10, push the freeze dryer to separate it from the placement frame 7, and remove the freeze dryer.

[0031] 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 of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vacuum freeze dryer with adjustable partition spacing, comprising a freeze drying chamber (1), characterized in that, The freeze-drying oven (1) has a base plate (2) fixedly connected to its inner side. Side rods (3) are fixedly connected to the top of the base plate (2) around its perimeter. A top plate (4) is fixedly connected to the top of each of the four side rods (3). A sliding plate (5) is slidably connected between the four side rods (3). A slide rail (6) is fixedly connected to the top of the base plate (2), top plate (4), and slide rail (5). A placement frame (7) is slidably connected to the inner side of the slide rail (6). Several inner grooves (9) and connecting grooves (10) are provided at the top of the placement frame (7). The inner grooves (9) and connecting grooves (10) are cross-connected. The top of the placement frame (7) is connected via… The inner groove (9) is fitted with a release frame (11), the release frame (11) includes several inner frames (12) fixedly connected on the inner side, and several connecting frames (13) whose positions are adapted to the connecting groove (10) are fixedly connected between the inner frames (12). The bottom of the slide plate (5) is rotatably connected with a bidirectional screw (14), and both ends of the outer side of the bidirectional screw (14) are threadedly connected with a drive bar (15). Both ends of the bottom of the drive bar (15) are rotatably connected with a transmission rod (16). The bottom ends of the four transmission rods (16) are respectively rotatably connected to the two ends of the bottom plate (2). A sealing door (18) is hinged on one side of the freeze dryer (1).

2. The vacuum freeze dryer with adjustable partition spacing according to claim 1, characterized in that, The placement frame (7) includes an outer fixedly connected side strip (8), which is slidably connected to the inner side of the corresponding slide rail (6).

3. A vacuum freeze dryer with adjustable partition spacing according to claim 1, characterized in that, The inner frame (12) is snapped into the corresponding inner groove (9), and the depth of the inner groove (9) is greater than the thickness of the inner frame (12).

4. A vacuum freeze dryer with adjustable partition spacing according to claim 1, characterized in that, The inner frame (12) and the connecting frame (13) are cross-connected, and the thickness of the connecting frame (13) is the same as that of the inner frame (12).

5. A vacuum freeze dryer with adjustable partition spacing according to claim 1, characterized in that, The bottom plate (2), top plate (4) and slide plate (5) are rotatably connected to a threaded rod (17) on the side of the top of the sealing door (18), and the other end is fixedly connected to a slide rod. One end of the release frame (11) is threaded to the outside of the threaded rod (17), and the other end is slidably connected to the outside of the slide rod.

6. A vacuum freeze dryer with adjustable partition spacing according to claim 1, characterized in that, The bidirectional screw (14) is fixedly connected to a throttle on the side near the freeze-drying chamber (1), and the top of the middle end of the drive bar (15) is in close contact with the slide plate (5).

7. A vacuum freeze dryer with adjustable partition spacing according to claim 1, characterized in that, A freeze dryer is fixedly connected to the inside of the freeze drying chamber (1), and a vacuum pump and an extraction pump are fixedly connected to one side of the freeze drying chamber (1) from top to bottom.

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