Freeze dryer for experiment

Abstract

The utility model discloses an experimental freeze dryer which comprises a freeze dryer body, a supporting plate is arranged below the freeze dryer body, fixing frames are arranged on the surfaces of the two sides of the supporting plate, and electric telescopic rods are installed on the lower surfaces of the top ends of the fixing frames. An electric telescopic rod on the lower surface of the top end of a fixing frame drives a push plate to move, so that rollers on the bottom surface of the push plate move, when the rollers abut against the ground, the equipment can be moved through the rollers, the equipment can be moved to different positions for use, the flexibility of the equipment is improved, and the equipment is convenient to use. And after the device moves to a designated position, a push plate is driven by an electric telescopic rod to move, when rollers on the surface of the bottom of the push plate move into a fixed frame, the rollers can be stored, and then the device can be supported through the use of the fixed frame.

Description

Technical Field

[0001] The utility model relates to the technical field of freeze drying equipment, in particular to a freeze drying machine for experiments. Background Art

[0002] Freeze drying refers to freezing water-containing materials into solids, using water to sublimate directly into gaseous state without passing through liquid state under low temperature and low pressure conditions, so that the materials can be dehydrated at low temperature to achieve the purpose of drying. Freeze drying technology is widely used in many industries such as bioengineering, pharmaceutical industry, food industry, etc., and freeze dryer is the key equipment of freeze drying technology.

[0003] The existing Chinese patent with the announcement number CN214469660U discloses a laboratory freeze dryer, and the key points of its technical solution are: comprising a freeze dryer body, on which a sealing door is rotatably connected; a freeze dryer body is provided with a freeze dryer chamber, in which a freeze dryer chamber and a freezer chamber are connected, and the freeze dryer chamber and the freezer chamber are arranged side by side in front and back of the freeze dryer chamber; a freeze dryer is provided in the freeze dryer chamber, and a freezer is provided in the freezer chamber. The present application can improve the freezing effect of the material.

[0004] The above-mentioned prior art solution has the following defects: although the above-mentioned technical solution can improve the freezing effect of the material, in the above-mentioned technical solution, the whole equipment is fixed on the laboratory table for use, which is inconvenient to move, so it is inconvenient to move the whole equipment to different positions for use, which reduces the flexibility of the equipment and is inconvenient for operators to use. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides an experimental freeze dryer, which has the advantages of being able to move the entire device, being highly flexible, and being convenient to use, thereby solving the problems in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an experimental freeze dryer, comprising a freeze dryer body, a support plate is provided below the freeze dryer body, and fixed frames are provided on both side surfaces of the support plate, an electric telescopic rod is installed on the lower surface of the top end of the fixed frame, and the output end of the electric telescopic rod is fixedly connected to a push plate, and a roller is provided on the bottom surface of the push plate, a motor is installed on both sides of the bottom surface of the support plate, and the output end of the motor is fixedly connected to a screw, a threaded barrel is threadedly connected to the screw, and one end of the threaded barrel is fixedly connected to the bottom surface of the freeze dryer body, a connecting plate is provided between the threaded barrels, and limit rods are provided on both sides of the top surface of the support plate through the connecting plate.

[0009] Preferably, a door is provided on the front end surface of the freeze dryer body, and the door is hinged to the freeze dryer body via a hinge.

[0010] Preferably, limit blocks are provided on both side surfaces of the push plate, and one end of the limit block extends to the inside of the limit grooves opened on both sides of the inner wall of the fixed frame.

[0011] Preferably, the limiting rod is movably connected to the connecting plate.

[0012] Preferably, a stopper is provided at the top end of the limiting rod.

[0013] Preferably, the push plate matches the fixing frame.

[0014] Preferably, the support plate is fixedly welded to the fixing frame.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides an experimental freeze dryer, which has the following beneficial effects:

[0017] (1) In the utility model, the push plate is driven to move by the electric telescopic rod on the lower surface of the top of the fixed frame, so that the roller on the bottom surface of the push plate moves. When the roller abuts against the ground, the device can be moved by using the roller. The device can be moved to different positions for use, which improves the flexibility of the device and makes it easier for operators to operate and use it. After moving to the specified position, the push plate is driven to move by the electric telescopic rod. When the roller on the bottom surface of the push plate moves to the fixed frame, the roller can be stored, and then the device can be supported by using the fixed frame.

[0018] (2) In the present invention, the motors on both sides of the bottom surface of the support plate drive the screw to rotate, and the threaded barrel on the screw can be limited by using the connecting plate and the limiting rod, so that the threaded barrel can move on the screw. When the threaded barrel moves, it drives the freeze dryer body to move, so that the height position of the freeze dryer body can be adjusted, which is convenient for operators of different heights to use, reduces the disadvantages during use, and is conducive to improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a structural schematic diagram of an experimental freeze dryer proposed by the utility model;

[0021] Figure 2 It is an enlarged view of A of an experimental freeze dryer proposed by the utility model;

[0022] Figure 3 It is a front view of an experimental freeze dryer proposed by the utility model;

[0023] Figure 4 The utility model is a schematic diagram of the threaded barrel structure of an experimental freeze dryer.

[0024] Legend:

[0025] 1. Freeze dryer body; 2. Box door; 3. Support plate; 4. Motor; 5. Fixed frame; 6. Electric telescopic rod; 7. Limiting groove; 8. Limiting block; 9. Push plate; 10. Roller; 11. Limiting rod; 12. Connecting plate; 13. Threaded barrel; 14. Screw; 15. Stopper. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] Please refer to Figure 1-4 A freeze dryer for experiment comprises a freeze dryer body 1, a support plate 3 is arranged below the freeze dryer body 1, and fixed frames 5 are arranged on both sides of the support plate 3, an electric telescopic rod 6 is installed on the lower surface of the top of the fixed frame 5, and a push plate 9 is fixedly connected to the output end of the electric telescopic rod 6, and a roller 10 is arranged on the bottom surface of the push plate 9, a motor 4 is installed on both sides of the bottom surface of the support plate 3, and a screw 14 is fixedly connected to the output end of the motor 4, a threaded barrel 13 is threadedly connected to the screw 14, and one end of the threaded barrel 13 is fixedly connected to the bottom surface of the freeze dryer body 1, a connecting plate 12 is arranged between the threaded barrels 13, and the connecting plate 12 is passed through the top surface of the support plate 3 on both sides. A limit rod 11 is provided, in which the push plate 9 is driven to move by the electric telescopic rod 6 on the lower surface of the top of the fixed frame 5, so that the roller 10 on the bottom surface of the push plate 9 is moved. When the roller 10 abuts against the ground, the device can be moved by using the roller 10, and can be moved to different positions for use, thereby improving the flexibility of the device and making it convenient for operators to operate and use it. After moving to the specified position, the push plate 9 is driven to move by the electric telescopic rod 6. When the roller 10 on the bottom surface of the push plate 9 moves into the fixed frame 5, the roller 10 can be stored, and then the device can be supported by using the fixed frame 5.

[0029] In one embodiment, a door 2 is provided on the front surface of the freeze dryer body 1, and the door 2 is hinged to the freeze dryer body 1 via hinges, wherein objects can be taken in and out by opening the door 2.

[0030] In one embodiment, limit blocks 8 are provided on both side surfaces of the push plate 9, and one end of the limit block 8 extends to the interior of the limit groove 7 opened on both sides of the inner wall of the fixed frame 5, wherein the push plate 9 can be limited by using the limit block 8 and the limit groove 7, so as to maintain the stability of the push plate 9 during the movement.

[0031] In one embodiment, the limiting rod 11 is movably connected to the connecting plate 12, wherein the limiting rod 11 can be used to limit the connecting plate 12, and the connecting plate 12 can be used to limit the threaded barrel 13, so as to maintain the normal movement of the threaded barrel 13 on the screw rod 14.

[0032] In one embodiment, a stopper 15 is disposed at the top end of the limiting rod 11 , wherein the connection plate 12 can be blocked and limited by using the stopper 15 .

[0033] In one embodiment, the push plate 9 matches with the fixed frame 5 to facilitate the movement of the push plate 9 .

[0034] In one embodiment, the support plate 3 and the fixing frame 5 are fixedly welded, which can improve the firmness between the fixing frame 5 and the support plate 3 .

[0035] In one embodiment, the control panel control circuit can be implemented through simple programming by technicians in this field. It is common knowledge in this field and is only used without modification, so the control method and circuit connection will not be described in detail.

[0036] Working principle:

[0037] When in use, the push plate 9 is driven to move by the electric telescopic rod 6 on the lower surface of the top of the fixed frame 5, so that the roller 10 on the bottom surface of the push plate 9 moves. When the roller 10 abuts against the ground, the device can be moved by using the roller 10, and can be moved to different positions for use, thereby improving the flexibility of the device and making it convenient for operators to operate and use it. After moving to the specified position, the push plate 9 is driven to move by the electric telescopic rod 6. When the roller 10 on the bottom surface of the push plate 9 moves into the fixed frame 5, the roller 10 can be stored. The device can be supported by using the fixed frame 5, wherein the motor 4 on both sides of the bottom surface of the support plate 3 drives the screw 14 to rotate, and then the threaded barrel 13 on the screw 14 can be limited by using the connecting plate 12 and the limiting rod 11, so that the threaded barrel 13 can move on the screw 14, and the threaded barrel 13 drives the freeze dryer body 1 to move while moving, so that the height position of the freeze dryer body 1 can be adjusted, which is convenient for operators of different heights to use, reduces the disadvantages during use, and is conducive to improving the practicality of the device.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An experimental freeze dryer, comprising a freeze dryer body (1), characterized in that: A support plate (3) is provided below the freeze dryer body (1), and fixed frames (5) are provided on both side surfaces of the support plate (3); an electric telescopic rod (6) is installed on the lower surface of the top end of the fixed frame (5), and the output end of the electric telescopic rod (6) is fixedly connected to a push plate (9); a roller (10) is provided on the bottom surface of the push plate (9); motors (4) are installed on both sides of the bottom surface of the support plate (3), and the output end of the motor (4) is fixedly connected to a screw rod (14); a threaded barrel (13) is threadedly connected to the screw rod (14), and one end of the threaded barrel (13) is fixedly connected to the bottom surface of the freeze dryer body (1); a connecting plate (12) is provided between the threaded barrels (13); and limit rods (11) are provided on both sides of the top surface of the support plate (3) and penetrate the connecting plate (12).

2. An experimental freeze dryer according to claim 1, characterized in that: The front end surface of the freeze dryer body (1) is provided with a cabinet door (2), and the cabinet door (2) is hingedly connected to the freeze dryer body (1) via a hinge.

3. The experimental freeze dryer according to claim 1, characterized in that: Limit blocks (8) are provided on both side surfaces of the push plate (9), and one end of the limit block (8) extends to the inside of the limit grooves (7) opened on both sides of the inner wall of the fixed frame (5).

4. The experimental freeze dryer according to claim 1, characterized in that: The limiting rod (11) is movably connected to the connecting plate (12).

5. The experimental freeze dryer according to claim 1, characterized in that: A stopper (15) is provided at the top end of the limiting rod (11).

6. The experimental freeze dryer according to claim 1, characterized in that: The push plate (9) matches the fixed frame (5).

7. The experimental freeze dryer according to claim 1, characterized in that: The support plate (3) and the fixing frame (5) are fixedly welded.

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