A soil sample freeze-drying device

Abstract

The utility model discloses a soil sample freeze-drying device, including a processing box and a partition, wherein two partitions are provided, and the two partitions are arranged in a vertically equidistant array inside the processing box, and rotating rods are rotatably provided on both sides of the inner cavity of the partition through bearings, and a rotating shaft is rotatably provided inside the processing box and located at the bottom of the partition, and both sides of the rotating shaft surface and the bottom of the rotating rod are fixedly connected with bevel gears. The utility model relates to the technical field of soil freeze-drying. The soil sample freeze-drying device, by providing bevel gears, polygonal blocks, inner polygonal sleeves, material-discharging rollers, inner polygonal sliding sleeves and polygonal positioning blocks matched with the material-discharging box inside the processing box, enables the material-discharging box to automatically turn the material through the above-mentioned cooperation during the process of placing soil and freeze-drying, thereby shortening the freeze-drying process time and improving work efficiency. At the same time, by providing a positioning mechanism, it is also convenient to freely take and put the material-discharging box.

Description

Technical Field

[0001] The utility model relates to the technical field of soil freeze-drying, in particular to a soil sample freeze-drying device. Background Art

[0002] Soil is composed of various granular minerals, organic matter, water, air, and microorganisms. The soil has a high internal water content. At present, soil freeze-drying technology requires multiple processing steps such as low-temperature pre-freezing, dehydration and drying, and vacuum sealing to finally obtain freeze-dried soil. Because freeze-dried soil has the characteristics of unchanged biological activity, uniform appearance and color, firm structure, and easy storage, it is often used in soil organic matter detection.

[0003] In order to facilitate the freeze-drying of soil, a freeze-drying device is usually used to freeze-dry it. Although the freeze-drying device is convenient for freeze-drying soil, it is inevitable that there are still some shortcomings in its actual use. For example, the device lacks a material turning mechanism, so that it is inconvenient to turn the soil to speed up the freeze-drying process efficiency. In order to avoid such problems, a soil sample freeze-drying device is proposed to solve the existing problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a soil sample freeze-drying device, which solves the problem that the device lacks a material turning mechanism, resulting in inconvenience in turning the soil to speed up the freeze-drying process efficiency.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a soil sample freeze-drying device, comprising a processing box and a partition, wherein two partitions are provided, and the two partitions are arranged in a vertically equidistant array inside the processing box, and rotating rods are rotatably provided on both sides of the inner cavity of the partition through bearings, and a rotating shaft is rotatably provided inside the processing box and located at the bottom of the partition, and bevel gears are fixedly connected to both sides of the surface of the rotating shaft and the bottom of the rotating rod, and two adjacent bevel gears are meshed with each other, and a polygonal block is fixedly connected to the top of the rotating rod, and an inner polygonal sleeve is slidably connected to the surface of the polygonal block, and a material discharge box is fixedly connected to the top of the inner polygonal sleeve, and a material discharging box is rotatably provided with a material discharging roller inside the material discharging box, and a positioning mechanism is provided between the material discharging roller and the processing box, and a freeze dryer and an evaporator are respectively provided on both sides of the bottom of the inner cavity of the processing box.

[0006] Preferably, the positioning mechanism includes a sleeve, which is arranged on the top of the material-discharging roller, and the outer wall of the sleeve is fixedly connected to the inside of the processing box through a bracket, the inside of the sleeve is slidably connected to an inner polygonal sleeve, and a return spring is fixedly connected between the inner polygonal sleeve and the sleeve, and the top of the material-discharging roller is fixedly connected to a polygonal positioning block used in conjunction with the inner polygonal sleeve.

[0007] Preferably, one end of the rotating shaft extends to the outside of the processing box, a pulley is fixedly connected to the surface of the rotating shaft, a belt is transmission-connected between the two pulleys, a motor is fixedly connected to one side of the processing box, and the output shaft of the motor is fixedly connected to the end of the bottom rotating shaft through a coupling.

[0008] Preferably, the other side of the processing box is connected to a vacuum pipe;

[0009] Preferably, a sealed door is hingedly connected to one side of the processing box via a hinge.

[0010] Beneficial Effects

[0011] The utility model provides a soil sample freeze-drying device. Compared with the existing technology, the utility model has the following beneficial effects: the utility model arranges bevel gears, polygonal blocks, inner polygonal sleeves, material-pickling rollers, inner polygonal sliding sleeves and polygonal positioning blocks that are used in conjunction with the material-discharging box inside the processing box, so that the material-discharging box can automatically turn the material through the above-mentioned cooperation during the process of placing soil and freeze-drying, shortening the freeze-drying process time and improving work efficiency. At the same time, by arranging a positioning mechanism, it is also convenient to freely take and put the material-discharging box. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0013] Figure 2 It is a rear view of the processing box structure of the utility model;

[0014] Figure 3 It is a cross-sectional view of the discharge box structure of the utility model;

[0015] Figure 4 For this utility model Figure 3 A partial enlarged view of point A in the middle.

[0016] In the figure: 1. processing box; 2. partition; 3. rotating rod; 4. rotating shaft; 5. bevel gear; 6. polygonal block; 7. inner polygonal sleeve; 8. material discharge box; 9. material discharging roller; 10. positioning mechanism; 101. sleeve; 102. inner polygonal sliding sleeve; 103. return spring; 104. polygonal positioning block; 11. pulley; 12. belt; 13. motor; 14. freeze dryer; 15. evaporator; 16. vacuum tube; 17. sealing door. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0018] See also Figure 1-4The utility model provides a technical solution: a soil sample freeze-drying device, including a processing box 1 and a partition 2, two partitions 2 are provided, and the two partitions 2 are arranged in a vertically equidistant array inside the processing box 1, and a freeze dryer 14 and an evaporator 15 are respectively arranged on both sides of the bottom of the inner cavity of the processing box 1, and a vacuum pipe 16 is connected to the other side of the processing box 1. As a detailed explanation: the freeze dryer 14 and the evaporator 15 are connected to the processing area of ​​the discharge box 8 through a pipeline, and a drying filter box is arranged inside the vacuum pipe 16. A sealing door 17 is hinged on one side of the processing box 1 through a hinge.

[0019] Furthermore, in order to facilitate the turning of samples to speed up the freeze-drying efficiency and facilitate taking, rotating rods 3 are rotatably provided on both sides of the inner cavity of the partition 2 through bearings, a rotating shaft 4 is rotatably provided inside the processing box 1 and located at the bottom of the partition 2, bevel gears 5 are fixedly connected to both sides of the surface of the rotating shaft 4 and the bottom of the rotating rod 3, and two adjacent bevel gears 5 are meshed with each other, a polygonal block 6 is fixedly connected to the top of the rotating rod 3, an inner polygonal sleeve 7 is slidably connected to the surface of the polygonal block 6, a material discharge box 8 is fixedly connected to the top of the inner polygonal sleeve 7, a material discharging box 8 is rotatably provided with a material discharging roller 9 inside the material discharging box 8, and a positioning mechanism 10 is provided between the material discharging roller 9 and the processing box 1;

[0020] The positioning mechanism 10 includes a sleeve 101, which is arranged on the top of the material-discharging roller 9, and the outer wall of the sleeve 101 is fixedly connected to the inside of the processing box 1 through a bracket, the inside of the sleeve 101 is slidably connected with an inner polygonal sleeve 102, and a return spring 103 is fixedly connected between the inner polygonal sleeve 102 and the sleeve 101, and the top of the material-discharging roller 9 is fixedly connected with a polygonal positioning block 104 used in conjunction with the inner polygonal sleeve 102.

[0021] Among them, in order to facilitate the driving of the two rotating shafts 4 to run synchronously, one end of the rotating shaft 4 extends to the outside of the processing box 1, and a pulley 11 is fixedly connected to the surface of the rotating shaft 4. A belt 12 is connected for transmission between the two pulleys 11. A motor 13 is fixedly connected to one side of the processing box 1, and the output shaft of the motor 13 is fixedly connected to the end of the bottom rotating shaft 4 through a coupling.

[0022] When in use, the sample environment is frozen and evaporated and sublimated in sequence by the freeze dryer 14 and the evaporator 15, and then the internal environment of the processing box 1 is evacuated by the vacuum tube 16, and the water vapor is adsorbed by the drying filter box provided on the inner wall of the vacuum tube 16;

[0023] During the above process, the motor 13 is started synchronously, and the motor 13 starts to drive the bottom rotating shaft 4 to rotate. The bottom rotating shaft 4 drives the upper rotating shaft 4 to rotate synchronously through the cooperation of the belt 12 and the motor 13. The rotation of the rotating shaft 4 drives the bevel gear 5 to rotate. The rotation of the adjacent bevel gears 5 will mesh and drive the rotating rod 3 to rotate through the meshing. The rotation of the rotating rod 3 drives the polygonal block 6, the inner polygonal sleeve 7, and the material discharge box 8 to rotate. Since the material discharging roller 9 is positioned by the inner polygonal sliding sleeve 102, the material discharge box 8 carrying the sample is reversely moved by the material discharging roller 9;

[0024] When sampling, the inner polygonal sliding sleeve 102 is pushed upward to make the inner polygonal sliding sleeve 102 and the material-discharging roller 9 disengage from the limiting fit, and then the material-discharging box 8 is lifted upward.

Claims

1. A soil sample freeze-drying device, comprising a processing box (1) and a partition (2), wherein two partitions (2) are provided, and the two partitions (2) are arranged in an array vertically equidistant from each other inside the processing box (1), characterized in that: Rotating rods (3) are rotatably provided on both sides of the inner cavity of the partition (2) via bearings; a rotating shaft (4) is rotatably provided inside the processing box (1) and located at the bottom of the partition (2); bevel gears (5) are fixedly connected to both sides of the surface of the rotating shaft (4) and the bottom of the rotating rod (3), and two adjacent bevel gears (5) are meshed with each other; a polygonal block (6) is fixedly connected to the top of the rotating rod (3); an inner polygonal sleeve (7) is slidably connected to the surface of the polygonal block (6); a material discharge box (8) is fixedly connected to the top of the inner polygonal sleeve (7); a material discharging roller (9) is rotatably provided inside the material discharging box (8); a positioning mechanism (10) is provided between the material discharging roller (9) and the processing box (1); a freeze dryer (14) and an evaporator (15) are respectively provided on both sides of the bottom of the inner cavity of the processing box (1).

2. A soil sample freeze-drying device according to claim 1, characterized in that: The positioning mechanism (10) comprises a sleeve (101), the sleeve (101) is arranged on the top of the material-discharging roller (9), and the outer wall of the sleeve (101) is fixedly connected to the inside of the processing box (1) through a bracket, the inside of the sleeve (101) is slidably connected to an inner polygonal sliding sleeve (102), and a return spring (103) is fixedly connected between the inner polygonal sliding sleeve (102) and the sleeve (101), and the top of the material-discharging roller (9) is fixedly connected to a polygonal positioning block (104) used in conjunction with the inner polygonal sliding sleeve (102).

3. A soil sample freeze-drying device according to claim 1, characterized in that: One end of the rotating shaft (4) extends to the outside of the processing box (1), a pulley (11) is fixedly connected to the surface of the rotating shaft (4), a belt (12) is transmission-connected between the two pulleys (11), a motor (13) is fixedly connected to one side of the processing box (1), and the output shaft of the motor (13) is fixedly connected to the end of the bottom rotating shaft (4) via a coupling.

4. A soil sample freeze-drying device according to claim 1, characterized in that: The other side of the processing box (1) is connected to a vacuum pipe (16).

5. A soil sample freeze-drying device according to claim 1, characterized in that: A sealing door (17) is hingedly connected to one side of the processing box (1) via a hinge.

Images