Vacuum freeze dryer capable of sampling layer by layer

Abstract

The utility model discloses a vacuum freeze-drying machine capable of sampling in a layered mode, and relates to the technical field of vacuum freeze-drying. Comprising a vacuum freeze-drying machine body, a sampling box is fixedly installed at the center of the top of the vacuum freeze-drying machine body, a fixing frame is fixedly installed on the inner bottom wall of the vacuum freeze-drying machine body, and circular sliding rails are fixedly installed at the positions, close to the top, of the left side wall and the right side wall in the fixing frame; a stepping motor is fixedly connected to the left end of the rotating shaft, a first rotating disc is fixedly installed at the position, close to the left side, of the outer surface of the rotating shaft, and a second rotating disc is fixedly installed at the position, close to the right side, of the outer surface of the rotating shaft; and placing frames are arranged at the positions, close to the left side and the right side, of the outer surfaces of the multiple connecting rods, a magnet is fixedly installed on the left side, close to the front end, of the first rotating disc, and multiple limiting blocks are circularly distributed on the left side of the first rotating disc.

Description

TECHNICAL FIELD

[0001] The utility model relates to the vacuum freeze drying technical field, concretely is a vacuum freeze drying machine that can sample in layers. BACKGROUND

[0002] The vacuum freeze drying machine that can sample in layers is a specially designed freeze drying equipment, which allows users to place and sample materials in layers during the drying process. This equipment is particularly suitable for situations where samples of different thicknesses or different characteristics need to be treated separately to optimize drying efficiency and results.

[0003] Chinese utility model patent CN221197812U discloses a vacuum freeze drying machine that can sample in layers, comprising: a vacuum freeze drying machine body, a support plate embedded and nested in the support plate, a machine cover and an elliptical rod respectively attached to the rear side and the lower side of the support plate, and an outer warehouse connected to the vacuum freeze drying machine body through a connecting pipe; further comprising: the two ends of the support plate are symmetrically fixed with support strips at equal intervals, and a mesh plate is attached to the support strips; the machine cover is rotationally connected to the right rear end of the vacuum freeze drying machine body, and the left end of the machine cover is attached with a first limiting plate that is rotationally connected to the vacuum freeze drying machine body. The vacuum freeze drying machine that can sample in layers facilitates the placement and sampling of dry materials in layers, facilitates the vibration of the mesh plate, avoids material adhesion, and facilitates the condensation of steam in the vacuum freeze drying machine body into water, avoiding the impact of steam on material drying.

[0004] However, the existing vacuum freeze drying machine is mostly stacked layer by layer when in use, and due to the different positions of the products to be vacuum freeze dried inside the vacuum freeze drying machine, the freezing of the products to be vacuum freeze dried is uneven, which requires a vacuum freeze drying machine that can sample in layers to solve such problems. UTILITY MODEL CONTENTS

[0005] The utility model provides a vacuum freeze drying machine that can sample in layers to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: A vacuum freeze dryer of layered sampling, including vacuum freeze dryer main part, the top center of vacuum freeze dryer main part is fixedly installed with sampling box, the front of vacuum freeze dryer main part is provided with the sealed door, the inner bottom wall of vacuum freeze dryer main part is fixedly installed with fixed bolster, the inside left and right two side walls of fixed bolster are close to the position of top and are all fixedly installed with round slide rail, be provided with rotating shaft on fixed bolster, the left end of rotating shaft is fixedly connected with further motor, the outer surface of rotating shaft is close to the position of left side and is fixedly installed with first turntable, the outer surface of rotating shaft is close to the position of right side and is fixedly installed with second turntable, the right side of first turntable is circularly distributed with a plurality of connecting rods, the outer surface of a plurality of connecting rods is close to the position of left and right two sides and is provided with the rack, the left side of first turntable is close to the front and is fixedly installed with magnet, the left side of first turntable is circularly distributed with a plurality of limit blocks.

[0007] Further, the side of the plurality of connecting rods away from the first turntable is fixedly connected with the left side of the second turntable, the plurality of connecting rods are also circularly distributed on the second turntable, and the first turntable and the second turntable are symmetrically arranged, and the connecting rods are fixedly connected with the first turntable and the second turntable at the connection positions.

[0008] Further, the right end of the rotating shaft is provided with a bearing seat, and the end of the bearing seat away from the rotating shaft is fixedly connected with the inner right side wall of the fixed bolster.

[0009] Further, the right side of the second turntable is also circularly distributed with second limit blocks, the circular slide rail on the inner right side wall of the fixed bolster, and the end of the plurality of second limit blocks on the second turntable away from the second turntable is movably sleeved with the left side of the circular slide rail on the fixed bolster, the bearing seat is at the center of the second turntable, and the Hall effect sensor is fixedly installed at the bottom of the circular slide rail close to the inner left side wall of the fixed bolster.

[0010] Further, the end of the limit block away from the first turntable is movably sleeved with the right side connecting end of the circular slide rail, and the connection position of the limit block and the first turntable is fixedly connected.

[0011] Further, the left side of the rotating shaft penetrates through the inner left side wall of the fixed bolster and the inner left side wall of the vacuum freeze dryer main part and extends out of the left side of the vacuum freeze dryer main part, and the connection position of the rotating shaft and the vacuum freeze dryer main part and the fixed bolster is connected through a ball bearing.

[0012] Further, the mounting end of the further motor is fixedly connected with the position close to the top of the left side of the vacuum freeze dryer main part.

[0013] Further, the position of the top of the vacuum freeze dryer body near the center is connected with the inside of the sampling box, the sampling box is provided with a door, the right side of the vacuum freeze dryer body is provided with a controller, and the inside of the vacuum freeze dryer body is provided with a quick freezing device.

[0014] Compared with the prior art, the vacuum freeze dryer with layered sampling has the following beneficial effects:

[0015] 1. The vacuum freeze dryer with layered sampling, by setting the magnet, the motor, the rotating shaft, the second turntable, the connecting rod, the placing rack, the fixing frame, the circular slide rail, the limiting block, the first turntable, the bearing seat and the Hall effect sensor, the products placed on the placing rack can be more uniformly frozen during rotation; since the rotating shaft is driven by the motor, the first turntable and the second turntable can be synchronously rotated, and the connecting rod stably connects the placing rack to the turntable, so that the products continuously change positions along with the rotation of the turntable; this setting ensures that the products can be uniformly cooled from all directions during freezing, thereby effectively improving the quality of the products and avoiding the problem of quality decline caused by uneven freezing; through automatic control, the freezing and sampling processes of the products can be quickly and accurately completed, the production cycle is greatly shortened, and the production efficiency is improved; the fixing frame and the circular slide rail provide stable support and guidance for the turntable, and the limiting block limits the movement range of the turntable, thereby ensuring the safety and stability during rotation; this setting not only improves the durability of the equipment, but also reduces the failure rate; the cooperation of the Hall effect sensor and the magnet enables the user to accurately know the position of the turntable, thereby performing accurate sampling operation; this setting not only improves the accuracy of sampling, but also provides the possibility for automatic control and remote monitoring; the setting of the device has flexibility, and can be adjusted and optimized according to different product characteristics and freezing requirements; this setting enables the device to be widely applied to various fields requiring vacuum freeze drying; through the setting of these key components, the vacuum freeze dryer device has achieved remarkable beneficial effects in improving product quality, production efficiency, equipment stability and flexibility. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a vacuum freeze dryer body outer surface structure schematic view of the utility model;

[0017] Figure 2 It is a vacuum freeze dryer body internal structure view of the utility model;

[0018] Figure 3 It is a fixing frame upper structure view of the utility model;

[0019] Figure 4The fixed frame front view of the utility model;

[0020] Figure 5 The utility model discloses a slide rail and limit block connection relation diagram.

[0021] In the drawing: 1, vacuum freeze dryer main body, 2, sealing door, 3, magnet, 4, further motor, 5, sampling box, 6, rotating shaft, 7, second carousel, 8, connecting rod, 9, rack, 10, fixed frame, 11, circular slide rail, 12, limit block, 13, first carousel, 14, bearing seat, 15, hall effect sensor. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently 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 the person skilled in the art without creative labor belong to the range protected by the utility model.

[0023] Please refer to Figures 1-5 The utility model discloses a vacuum freeze dryer can take sample by layer, including vacuum freeze dryer main body 1, the top center of vacuum freeze dryer main body 1 is fixedly installed with sampling box 5, and the front of vacuum freeze dryer main body 1 is provided with sealing door 2, and the inner bottom wall of vacuum freeze dryer main body 1 is fixedly installed with fixed frame 10, and the inside left and right two side walls of fixed frame 10 are close to the position of top and are all fixedly installed with circular slide rail 11, and fixed frame 10 is provided with rotating shaft 6, and the left end of rotating shaft 6 is fixedly connected with further motor 4, and the outer surface of rotating shaft 6 is close to the left side position and is fixedly installed with first carousel 13, and the outer surface of rotating shaft 6 is close to the right side position and is fixedly installed with second carousel 7, and the right side of first carousel 13 is circularly distributed with a plurality of connecting rods 8, and the outer surface of a plurality of connecting rods 8 is close to the left and right two side positions and is all provided with rack 9, and the left side of first carousel 13 is close to the front and is fixedly installed with magnet 3, and the left side of first carousel 13 is circularly distributed with a plurality of limit blocks 12.

[0024] Specifically, the side of a plurality of connecting rods 8 away from first carousel 13 is all fixedly connected with the left side of second carousel 7, a plurality of connecting rods 8 are also circularly distributed on second carousel 7, and first carousel 13 and second carousel 7 are symmetrically arranged, and the connecting place of connecting rod 8, first carousel 13 and second carousel 7 is all fixedly connected.

[0025] Specifically, the right end of rotating shaft 6 is provided with bearing seat 14, and the end of bearing seat 14 away from rotating shaft 6 is fixedly connected with the inside right side wall of fixed frame 10.

[0026] Specifically, the right side of the second turntable 7 is also circularly distributed with the second limiting blocks 12, the circular slide rails 11 on the inner right side wall of the fixed frame 10, and the plurality of second limiting blocks 12 on the second turntable 7 are movably sleeved with the left side of the circular slide rails 11 on the fixed frame 10 away from the end of the second turntable 7, and the bearing seat 14 is at the center of the second turntable 7, and the Hall effect sensor 15 is fixedly installed at the bottom of the circular slide rail 11 close to the inner left side wall of the fixed frame 10.

[0027] Specifically, the end of the limiting block 12 away from the first turntable 13 is movably sleeved with the right side connecting end of the circular slide rail 11, and the connecting part of the limiting block 12 and the first turntable 13 is fixedly connected.

[0028] Specifically, the left side of the rotating shaft 6 penetrates through the inner left side wall of the fixed frame 10 and the inner left side wall of the vacuum freeze dryer body 1 and extends out of the left side of the vacuum freeze dryer body 1, and the connecting part of the rotating shaft 6 and the vacuum freeze dryer body 1 and the fixed frame 10 is connected through a ball bearing.

[0029] Specifically, the mounting end of the motor 4 is fixedly connected with the position close to the top of the left side of the vacuum freeze dryer body 1.

[0030] Specifically, the position close to the center of the top of the vacuum freeze dryer body 1 is connected with the inside of the sampling box 5, the sampling box 5 is provided with a door, the right side of the vacuum freeze dryer body 1 is provided with a controller, and the inside of the vacuum freeze dryer body 1 is provided with a rapid freezing device.

[0031] In use, first, open the vacuum freeze dryer body 1 front of the sealed door 2, will need to freeze products carefully placed on the shelf 9; these shelves 9 are set to be stable and easy to take, to ensure that the product in the freezing process will not slip or damaged; put the product, carefully close the door 2, to ensure the sealing of the internal environment, this is the key step to achieve high efficiency vacuum freeze; next, start the vacuum freeze dryer body 1 inside the quick freezing equipment; this equipment can quickly reduce the internal temperature, to provide a ideal freezing environment for the product; at the same time, start the motor 4; the motor 4 with its stable performance and precise control ability, rotating shaft 6 starts to rotate; rotating shaft 6 once started, the first turntable 13 and the second turntable 7 are rotated synchronously, forming a coordinated rotation system; with the rotation of the first turntable 13 and the second turntable 7, connecting rod 8 is also driven, under the driving of connecting rod 8, shelf 9 also rotates, but thanks to the action of gravity, shelf 9 always keeps below the connecting rod 8, to ensure that the product needs to freeze always keep flat, avoid the shaking or tilt caused by rotation; at the same time, the first turntable 13 and the second turntable 7 in rotation, limit block 12 is also driven; these limit block 12 along the circular slide rail 11, not only provides the necessary support and guide for the turntable, but also enhances the stability and reliability of the turntable in the rotation process; they like guardians, silently guard the smooth running of the whole rotation system; when sampling is needed, the motor 4 continues to play its precise control advantage; by precisely controlling the rotation angle and speed of rotating shaft 6, and the precise induction of magnet 3 position by hall effect sensor 15, the precise control of shelf 9 position can be realized; in this way, the user can rotate the specific shelf 9 to the position convenient for sampling according to the need; at this time, the user can open the door of sampling box 5, put the hand or mechanical arm with protective sleeve into sampling box 5, and extend to the inside of vacuum freeze dryer body 1; under the protection of the protective sleeve, the user can safely contact the product on the shelf 9 close to the top wall of the vacuum freeze dryer body 1, and take it out; after taking, the user only needs to withdraw the arm or mechanical arm, and close the door of sampling box 5, to continue the next round of freezing or sampling operation; throughout the use process, the vacuum freeze dryer with its high efficiency, stability, precision, provides great convenience and protection for the user; whether it is quick freezing, rotating sampling or other operation, can easily cope with, meet the diversification of users.

[0032] In summary, the vacuum freeze dryer capable of hierarchical sampling, by setting the magnet 3, further motor 4, rotating shaft 6, second turntable 7, connecting rod 8, placing rack 9, fixing frame 10, circular slide rail 11, limiting block 12, first turntable 13, bearing seat 14 and Hall effect sensor 15, can make the product placed on the placing rack 9 more uniform in the rotation process. Because the rotating shaft 6 is driven by the further motor 4, it can drive the first turntable 13 and the second turntable 7 to rotate synchronously, and the connecting rod 8 stably connects the placing rack 9 to the turntable, so that the product constantly changes position with the rotation of the turntable. This setting ensures that the product can be uniformly cooled from all directions during freezing, thereby effectively improving the quality of the product and avoiding the problem of quality decline caused by uneven freezing. Through automatic control, the freezing and sampling process of the product can be quickly and accurately completed, greatly shortening the production cycle and improving the production efficiency. The fixing frame 10 and the circular slide rail 11 provide stable support and guidance for the turntable, and the limiting block 12 limits the movement range of the turntable, ensuring the safety and stability during rotation. This setting not only improves the durability of the equipment, but also reduces the failure rate. The use of the Hall effect sensor 15 with the magnet 3 enables the user to accurately know the current position of the turntable, thereby performing precise sampling operations. This setting not only improves the accuracy of sampling, but also provides the possibility for automatic control and remote monitoring. The setting of the device has a certain flexibility, which can be adjusted and optimized according to different product characteristics and freezing requirements. This setting enables the device to be widely used in various fields that require vacuum freeze drying. By setting these key components, the vacuum freeze dryer device has achieved significant beneficial effects in improving product quality, production efficiency, equipment stability and flexibility, etc.

[0033] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A vacuum freeze dryer capable of hierarchical sampling, comprising a vacuum freeze dryer body, characterized in that: The top center of the vacuum freeze dryer body is fixedly installed with a sampling box, the front of the vacuum freeze dryer body is provided with a sealing door, the inner bottom wall of the vacuum freeze dryer body is fixedly installed with a fixing frame, the left and right side walls of the inside of the fixing frame are fixedly installed with circular slide rails near the top, the fixing frame is provided with a rotating shaft, the left end of the rotating shaft is fixedly connected with a motor, the outer surface of the rotating shaft is fixedly installed with a first rotating disc near the left side, the outer surface of the rotating shaft is fixedly installed with a second rotating disc near the right side, a plurality of connecting rods are circularly distributed on the right side of the first rotating disc, the outer surfaces of the connecting rods are provided with placing racks near the left and right sides, a magnet is fixedly installed on the left side of the first rotating disc near the front end, and a plurality of limiting blocks are circularly distributed on the left side of the first rotating disc.

2. The tiered-sampling vacuum freeze dryer of claim 1, wherein: The left side of the second rotating disc is also circularly provided with second limiting blocks, the circular slide rails on the inner right side wall of the fixing frame, and the left side of the circular slide rails on the fixing frame is movably sleeved with the ends of the plurality of second limiting blocks on the second rotating disc away from the second rotating disc, and the bearing seat is at the center of the second rotating disc, and the bottom of the circular slide rail near the inner left side wall of the fixing frame is fixedly installed with a Hall effect sensor.

3. The tiered-sampling vacuum freeze dryer of claim 1, wherein: The left side of the second rotating disc is also circularly provided with second limiting blocks, the circular slide rails on the inner right side wall of the fixing frame, and the left side of the circular slide rails on the fixing frame is movably sleeved with the ends of the plurality of second limiting blocks on the second rotating disc away from the second rotating disc, and the bearing seat is at the center of the second rotating disc, and the bottom of the circular slide rail near the inner left side wall of the fixing frame is fixedly installed with a Hall effect sensor.

4. The tiered-sampling vacuum freeze dryer of claim 1, wherein: The left side of the second rotating disc is also circularly provided with second limiting blocks, the circular slide rails on the inner right side wall of the fixing frame, and the left side of the circular slide rails on the fixing frame is movably sleeved with the ends of the plurality of second limiting blocks on the second rotating disc away from the second rotating disc, and the bearing seat is at the center of the second rotating disc, and the bottom of the circular slide rail near the inner left side wall of the fixing frame is fixedly installed with a Hall effect sensor.

5. The tiered-sampling vacuum freeze dryer of claim 1, wherein: The left side of the second rotating disc is also circularly provided with second limiting blocks, the circular slide rails on the inner right side wall of the fixing frame, and the left side of the circular slide rails on the fixing frame is movably sleeved with the ends of the plurality of second limiting blocks on the second rotating disc away from the second rotating disc, and the bearing seat is at the center of the second rotating disc, and the bottom of the circular slide rail near the inner left side wall of the fixing frame is fixedly installed with a Hall effect sensor.

6. The tiered-sampling vacuum freeze dryer of claim 1, wherein: The left side of the second rotating disc is also circularly provided with second limiting blocks, the circular slide rails on the inner right side wall of the fixing frame, and the left side of the circular slide rails on the fixing frame is movably sleeved with the ends of the plurality of second limiting blocks on the second rotating disc away from the second rotating disc, and the bearing seat is at the center of the second rotating disc, and the bottom of the circular slide rail near the inner left side wall of the fixing frame is fixedly installed with a Hall effect sensor.

7. The tiered-sampling vacuum freeze dryer of claim 1, wherein: The left side of the second rotating disc is also circularly provided with second limiting blocks, the circular slide rails on the inner right side wall of the fixing frame, and the left side of the circular slide rails on the fixing frame is movably sleeved with the ends of the plurality of second limiting blocks on the second rotating disc away from the second rotating disc, and the bearing seat is at the center of the second rotating disc, and the bottom of the circular slide rail near the inner left side wall of the fixing frame is fixedly installed with a Hall effect sensor.

8. The tiered-sampling vacuum freeze dryer of claim 1, wherein: ​

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