Air cooling type freeze dryer

Abstract

The utility model belongs to the technical field of dryers, and provides an air cooling type freeze dryer which comprises a drying box, a box door is hinged to the drying box, a first supporting plate is fixedly connected to the box door, a first motor is fixedly connected to the first supporting plate, and the output end of the first motor is rotationally connected to the box door in a penetrating mode. The output end of the first motor is fixedly connected with a gear, the upper end and the lower end of the gear are meshed with racks, and the box door is fixedly connected with a supporting rod. According to the utility model, the condensation pipe is arranged in the drying box, the condensation pipe receives water flowing in from the water inlet pipe and cools the water, and meanwhile, the two groups of fan blades are arranged right behind the condensation pipe, so that cold air can be blown out more quickly, and an object is frozen more quickly; and then the vacuum air suction machine is started to suck air in the drying box to be dry, so that the interior of the drying box is in a vacuum state, and the object drying effect can be better.

Description

Technical Field

[0001] The utility model relates to the technical field of dryers, in particular to an air-cooled freeze dryer. Background Art

[0002] The existing air-cooled freeze dryer is a mechanical device that uses a compressor to change the pressure change of the refrigerant gas to achieve low-temperature refrigeration. Such refrigeration and drying efficiency is low. At the same time, the existing air-cooled freeze dryer is easy to take in air during the drying process, and the vacuum effect is not good, which leads to poor drying quality of the object. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes an air-cooled freeze dryer.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an air-cooled freeze dryer, comprising a drying box, a box door is hinged on the drying box, a support plate 1 is fixedly connected to the box door, a motor 1 is fixedly connected to the support plate 1, the output end of the motor 1 is rotatably connected to the box door, a gear is fixedly connected to the output end of the motor 1, a rack is meshed at the upper and lower ends of the gear, a support rod is fixedly connected to the box door, a slide groove is provided on the support rod, the slide groove is slidably connected to the rack, a group of movable plates are fixedly connected to the bottom of the rack, a protective shell is fixedly connected to the box door, and the protective shell is sleeved on the motor 1.

[0005] As a further description of the above technical solution:

[0006] The drying box is fixedly connected with a support plate 2, the support plate 2 is fixedly connected with a motor 2, the output end of the motor 2 is fixedly connected with a rotating shaft 1, the rotating shaft 1 is passed through and fixedly connected with a pulley 1, the pulley 1 is meshedly connected with a belt 1, the end of the belt 1 away from the pulley 1 is meshedly connected with a pulley 2, the pulley 1 is meshedly connected with a belt 2, the end of the belt 2 away from the pulley 1 is meshedly connected with a pulley 3, the pulleys 2 and the pulleys 3 are fixedly connected with a rotating shaft 2, the rotating shaft 2 is fixedly connected with a fan blade, the rotating shaft 2 is passed through and rotatably connected with an outer shell, and the outer shell is fixedly connected to the drying box.

[0007] As a further description of the above technical solution:

[0008] The box door is provided with ventilation holes, and the ventilation holes are provided in a plurality of groups. The plurality of groups of ventilation holes are evenly distributed on the box door, and a pull rod is fixedly connected to the box door.

[0009] As a further description of the above technical solution:

[0010] The drying box is fixedly connected with a placing plate, and the placing plates are provided with three groups.

[0011] As a further description of the above technical solution:

[0012] A ventilation plate is fixedly connected to the drying box, and the ventilation plate is located right in front of the fan blades.

[0013] As a further description of the above technical solution:

[0014] A water tank is provided on one side of the drying box, a water inlet is provided on the water tank, a water inlet pipe is fixedly connected through the water tank, a one-way valve is provided on the water inlet pipe, a condenser is fixedly connected to the end of the water inlet pipe away from the water tank, the condenser is fixedly connected to the inner wall of the drying box, the condenser is located between the ventilation plate and the fan blades, and supporting legs are fixedly connected to the bottom of the water tank, and the supporting legs are provided in four groups, and the four groups of supporting legs are evenly distributed at the bottom of the water tank.

[0015] As a further description of the above technical solution:

[0016] The bottom of the drying box is fixedly connected with a support pad, and the support pads are provided with four groups. The four groups of support pads are evenly distributed on the bottom of the drying box. The top of the drying box is penetrated and fixedly connected with a vacuum suction machine.

[0017] The utility model has the following beneficial effects:

[0018] 1. In the utility model, a condenser is provided in the drying box, the condenser receives water flowing in from the water inlet pipe and performs cooling, and two sets of fan blades are provided directly behind the condenser, so that the cold wind can be blown out more quickly and the objects can be frozen faster, and then the vacuum suction machine is started to suck the air in the drying box to make the drying box in a vacuum state, so that the object can be dried better.

[0019] 2. In the utility model, the rotation of the gear drives a set of racks to slide left and right, and the racks drive the movable plate to slide left and right on the box door. In this way, when the drying box needs to be ventilated, the movable plate can be slid to the right to expose the ventilation holes. When the vacuum suction machine performs vacuum operation on the drying box, the movable plate can be slid to the left to block the ventilation holes to avoid air leakage. Such an arrangement can thus make the drying quality of objects higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of an air-cooled freeze dryer proposed by the utility model. Figure 1 ;

[0021] Figure 2 This is a schematic diagram of the structure of an air-cooled freeze dryer proposed by the utility model. Figure 2 ;

[0022] Figure 3 This is a schematic diagram of the structure of an air-cooled freeze dryer proposed by the utility model. Figure 3 ;

[0023] Figure 4 This is a cross-sectional view of an air-cooled freeze dryer proposed by the utility model;

[0024] Figure 5 for Figure 3 Enlarged view of point A in the middle.

[0025] Legend:

[0026] 1. Drying box; 2. Box door; 3. Support plate 1; 4. Motor 1; 5. Gear; 6. Rack; 7. Protective shell; 8. Movable plate; 9. Support rod; 10. Slide; 11. Ventilation hole; 12. Support plate 2; 13. Motor 2; 14. Rotating shaft 1; 15. Pulley 1; 16. Belt 1; 17. Belt 2; 18. Pulley 2; 19. Pulley 3; 20. Casing; 21. Rotating shaft 2; 22. Fan blades; 23. Condenser; 24. One-way valve; 25. Water inlet pipe; 26. Water tank; 27. Water inlet; 28. Support leg; 29. ​​Vacuum aspirator; 30. Placement plate; 31. Ventilation plate; 32. Support pad; 33. Pull rod. DETAILED DESCRIPTION

[0027] 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.

[0028] Reference Figure 1-Figure 5The utility model provides an embodiment: an air-cooled freeze dryer, comprising a drying box 1, a door 2 is hinged on the drying box 1, a support plate 3 is fixedly connected to the door 2, a motor 4 is fixedly connected to the support plate 3, an output end of the motor 4 is connected to the door 2, a gear 5 is fixedly connected to the output end of the motor 4, a rack 6 is meshed at the upper and lower ends of the gear 5, a support rod 9 is fixedly connected to the door 2, a slide groove 10 is provided on the support rod 9, the slide groove 10 is slidably connected to the rack 6, a group of racks 6 are at the bottom A movable plate 8 is fixedly connected, a protective shell 7 is fixedly connected to the box door 2, and the protective shell 7 is sleeved on the motor 4. A condenser 23 is opened in the drying box 1, and the condenser 23 receives water flowing in from the water inlet pipe 25 and cools it. At the same time, two groups of fan blades 22 are arranged directly behind the condenser 23, so that the cold wind can be blown out more quickly and the objects can be frozen faster. Then the vacuum suction machine 29 is started to suck the air in the drying box 1 to make the drying box 1 in a vacuum state, so that the objects can be dried better.

[0029] The drying box 1 is fixedly connected with a support plate 2 12, and a motor 2 13 is fixedly connected with the support plate 2 12. The output end of the motor 2 13 is fixedly connected with a rotating shaft 14, and a pulley 15 is fixedly connected through the rotating shaft 14. The pulley 15 is meshed with a belt 16, and the end of the belt 16 away from the pulley 15 is meshed with a pulley 2 18, and the pulley 15 is meshed with a belt 2 17, and the end of the belt 2 17 away from the pulley 15 is meshed with a pulley 3 19, and the pulley 2 18 and the pulley 3 19 are fixedly connected. There is a second rotating shaft 21, and a fan blade 22 is fixedly connected to the second rotating shaft 21. The second rotating shaft 21 passes through the housing 20 for rotational connection. The housing 20 is fixedly connected to the drying box 1. A ventilation hole 11 is opened on the box door 2. The ventilation holes 11 are provided in a plurality of groups. The plurality of ventilation holes 11 are evenly distributed on the box door 2. A pull rod 33 is fixedly connected to the box door 2. A placement plate 30 is fixedly connected to the drying box 1. The placement plate 30 is provided in three groups. A ventilation plate 31 is fixedly connected to the drying box 1. The ventilation plate 31 is located directly in front of the fan blade 22. A water tank 26 is provided on one side of the drying box 1. The water tank A water inlet 27 is provided on the water tank 26, a water inlet pipe 25 is fixedly connected to the water tank 26, a one-way valve 24 is provided on the water inlet pipe 25, a condenser 23 is fixedly connected to the end of the water inlet pipe 25 away from the water tank 26, the condenser 23 is fixedly connected to the inner wall of the drying box 1, the condenser 23 is located between the ventilation plate 31 and the fan blade 22, the bottom of the water tank 26 is fixedly connected to the support leg 28, the support leg 28 is provided with four groups, and the four groups of support legs 28 are evenly distributed at the bottom of the water tank 26, and the bottom of the drying box 1 is fixedly connected to the support pad 32, the support pad 32 is provided with four groups, and the four groups of support legs 28 are evenly distributed at the bottom of the water tank 26. The support pads 32 are evenly distributed on the bottom of the drying box 1. A vacuum suction machine 29 is fixedly connected to the top of the drying box 1. The gear 5 rotates, and the gear 5 drives a set of racks 6 to slide left and right. The racks 6 drive the movable plate 8 to slide left and right on the box door 2. In this way, when the drying box 1 needs to be ventilated, the movable plate 8 can be slid to the right to expose the ventilation hole 11. When the vacuum suction machine 29 performs a vacuum operation on the drying box 1, the movable plate 8 can be slid to the left to block the ventilation hole 11 to avoid air leakage. Such an arrangement can thus make the drying quality of the object higher.

[0030] Working principle: first open the one-way valve 24, let the water in the water tank 26 enter the condenser 23 from the water inlet pipe 25, then the condenser 23 cools the water, and then start the motor 2 13, the output end of the motor 2 13 drives the shaft 1 14 to rotate, the shaft 14 drives the pulley 1 15 to rotate, the pulley 1 15 rotates and drives the belt 1 16 and the belt 2 17 to rotate, the belt 1 16 and the belt 2 17 rotate and drive the pulley 2 18 and the pulley 3 19 to rotate, the pulley 2 18 and the pulley 3 19 rotate and drive the two sets of fan blades 22 to blow air, the air blown out by the fan blades 22 will pass through the condenser 23 to cool down, so that the air blown The outgoing wind temperature is lower, and then the objects on the placement plate 30 are frozen through the vents on the ventilation plate 31. During the freezing process, we start the motor 4, and the output end of the motor 4 drives the gear 5 to rotate. The rotation of the gear 5 drives a group of racks 6 to move to the right, and the ventilation hole 11 is opened to ventilate the drying box 1. When the object is cooled, the gear 5 can be reversed to drive the rack 6 to move to the left, and the rack 6 drives the movable plate 8 to move to the left to block the ventilation hole 11, and then the vacuum suction machine 29 is started to suck the air in the drying box 1 to make the drying box 1 in a vacuum state, so that the object can be dried better.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An air-cooled freeze dryer, comprising a drying box (1), characterized in that: The drying box (1) is hingedly connected with a box door (2), the box door (2) is fixedly connected with a support plate (3), the support plate (3) is fixedly connected with a motor (4), the output end of the motor (4) is connected to the box door (2) for rotation, the output end of the motor (4) is fixedly connected with a gear (5), the upper and lower ends of the gear (5) are meshed with racks (6), the box door (2) is fixedly connected with a support rod (9), the support rod (9) is provided with a slide groove (10), the slide groove (10) is slidably connected with the rack (6), a group of the bottoms of the racks (6) are fixedly connected with a movable plate (8), the box door (2) is fixedly connected with a protective shell (7), and the protective shell (7) is sleeved on the motor (4).

2. An air-cooled freeze dryer according to claim 1, characterized in that: The drying box (1) is fixedly connected to a support plate 2 (12), the support plate 2 (12) is fixedly connected to a motor 2 (13), the output end of the motor 2 (13) is fixedly connected to a rotating shaft 1 (14), the rotating shaft 1 (14) is penetrated and fixedly connected to a pulley 1 (15), the pulley 1 (15) is meshedly connected to a belt 1 (16), and the end of the belt 1 (16) away from the pulley 1 (15) is meshedly connected to a pulley 2 (18), The belt pulley 1 (15) is meshedly connected with a belt 2 (17), and one end of the belt 2 (17) away from the belt pulley 1 (15) is meshedly connected with a belt pulley 3 (19), the belt pulley 2 (18) and the belt pulley 3 (19) are fixedly connected with a rotating shaft 2 (21), and a fan blade (22) is fixedly connected to the rotating shaft 2 (21), and the rotating shaft 2 (21) is rotatably connected with a housing (20), and the housing (20) is fixedly connected to the drying box (1).

3. An air-cooled freeze dryer according to claim 1, characterized in that: The box door (2) is provided with ventilation holes (11), and the ventilation holes (11) are provided in a plurality of groups. The plurality of groups of ventilation holes (11) are evenly distributed on the box door (2), and a pull rod (33) is fixedly connected to the box door (2).

4. The air-cooled freeze dryer according to claim 1, characterized in that: A placement plate (30) is fixedly connected to the drying box (1), and the placement plates (30) are provided in three groups.

5. The air-cooled freeze dryer according to claim 1, characterized in that: A ventilation plate (31) is fixedly connected to the drying box (1), and the ventilation plate (31) is located directly in front of the fan blades (22).

6. The air-cooled freeze dryer according to claim 1, characterized in that: A water tank (26) is provided on one side of the drying box (1), a water inlet (27) is provided on the water tank (26), a water inlet pipe (25) is fixedly connected to the water tank (26), a one-way valve (24) is provided on the water inlet pipe (25), a condenser (23) is fixedly connected to one end of the water inlet pipe (25) away from the water tank (26), the condenser (23) is fixedly connected to the inner wall of the drying box (1), the condenser (23) is located between the ventilation plate (31) and the fan blade (22), and a support leg (28) is fixedly connected to the bottom of the water tank (26), and the support leg (28) is provided with four groups, and the four groups of the support legs (28) are evenly distributed at the bottom of the water tank (26).

7. The air-cooled freeze dryer according to claim 1, characterized in that: The bottom of the drying box (1) is fixedly connected with a support pad (32), and the support pad (32) is provided with four groups. The four groups of support pads (32) are evenly distributed on the bottom of the drying box (1), and the top of the drying box (1) is penetrated and fixedly connected with a vacuum suction machine (29).

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