CN219776152U

CN219776152U - Drying oven with hot air circulation and vacuum drying functions

Info

Publication number: CN219776152U
Application number: CN202320994506.3U
Authority: CN
Inventors: 张远勇
Original assignee: Nanjing Suenrui Drying Equipment Co ltd
Current assignee: Nanjing Suenrui Drying Equipment Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-09-29
Anticipated expiration: 2033-04-27

Abstract

The utility model relates to a drying oven with dual purposes of hot air circulation and vacuum drying, which comprises a drying oven, wherein a dual drying mechanism is arranged on the drying oven, the dual drying mechanism comprises a ventilation pipe fixedly arranged on the lower surface of the drying oven, a fan is fixedly arranged in the ventilation pipe, a fixing frame and a placement box are fixedly arranged in an inner cavity of the drying oven, an electric heating wire net positioned at the top of the ventilation pipe is fixedly arranged on the inner side surface of the fixing frame, an electric heating pipe is fixedly arranged between the surfaces of the opposite sides of the inner cavity of the placement box, and a first ventilation opening is formed in the lower surface of the placement box. This take dual-purpose drying oven of heated air circulation and vacuum drying is equipped with dual drying mechanism through being equipped with in the drying cabinet, can be according to the characteristic and the needs of being dried article switch the drying method at any time, need not to be shifted the dried article at this in-process, and convenient to use is more swift, has improved the drying efficiency to article greatly.

Description

Drying oven with hot air circulation and vacuum drying functions

Technical Field

The utility model relates to the technical field of ovens, in particular to a drying oven with dual purposes of hot air circulation and vacuum drying.

Background

The drying oven refers to a drying apparatus used for drying articles, and is commonly used in workshops or laboratories of industrial and agricultural, medical and health and laboratory departments.

Chinese patent CN212962443U discloses a drying oven with hot air circulation and dual-purpose of vacuum drying, comprising a box body, further comprising: the hook is fixedly connected with a fixing rod arranged at the top of the inner wall of the box body and is used for airing and hanging the strip-shaped material; the hot water pipe rack is positioned below the hooks and is composed of one or more layers of hot water pipes which are arranged at intervals; the hot water pipe rack comprises a water inlet and a water outlet, and is respectively externally connected with a hot water device; the air distribution pipe frame is positioned below the hooks and is composed of one or more layers of air distribution pipes which are arranged at intervals; the air distribution pipe is provided with a hot air outlet, and the air distribution pipe frame comprises an air inlet pipe externally connected with a hot air device; the vacuum port is arranged at the top of the box body and is used for being externally connected with a vacuum-pumping device; the air return port is arranged at the top of the box body and is used for discharging the gas containing moisture in the box body. The utility model has reasonable structural design, can switch between two modes of hot air drying and vacuum drying treatment, and realizes the batch rapid drying operation of biological materials.

The above patent is directed to improving the disadvantage that the drying box in the prior art needs to transfer the dried articles when the drying mode needs to be changed, resulting in low drying efficiency and easy contamination of the articles, and the present embodiment is directed to the problem presented in the above patent.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a drying oven with dual purposes of hot air circulation and vacuum drying, which has the advantage of being convenient for switching two drying modes, and solves the problems that the drying oven in the prior art needs to transfer the dried objects when the drying modes need to be replaced, so that the objects with low drying efficiency are easy to be polluted.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the drying oven with the dual purposes of hot air circulation and vacuum drying comprises a drying oven, wherein a dual drying mechanism is arranged on the drying oven;

the dual drying mechanism comprises a ventilating pipe fixedly arranged on the lower surface of a drying box, a fan is fixedly arranged in the ventilating pipe, a fixing frame and a placing box are fixedly arranged in the inner cavity of the drying box, an electric heating wire net arranged at the top of the ventilating pipe is fixedly arranged on the inner side surface of the fixing frame, an electric heating pipe is fixedly arranged between the opposite side surfaces of the inner cavity of the placing box, a first ventilation opening is formed in the lower surface of the placing box, a storage grid plate is fixedly arranged on the upper surface of the placing box, two electric telescopic rods are fixedly arranged on the lower surface of the drying box, a plugging plate arranged at the bottom of the ventilating pipe is fixedly arranged at the bottom of the electric telescopic rods, a vacuumizing machine is fixedly arranged on the upper surface of the drying box, a connecting pipe penetrating into the drying box is fixedly arranged on the lower surface of the vacuumizing machine, a second ventilation opening is fixedly arranged on the left side surface and the right side surface of the drying box, a fixing block arranged above the second ventilation opening is fixedly arranged on the left side surface of the drying box, a connecting rod is movably arranged on the surface of the fixing block, and a cover plate is fixedly arranged on one end of the connecting rod, far away from the fixing block.

Further, the inner cavity of the ventilation pipe is communicated with the inner cavity of the drying box.

Further, a rubber sealing ring is fixedly arranged at the bottom of the ventilation pipe, and a first rubber sealing gasket is fixedly arranged on the upper surface of the plugging plate.

Further, the size of the cover plate is larger than that of the second vent, and a second rubber sealing gasket is fixedly arranged on the surface of one side of the cover plate, which is close to the drying box.

Further, the number of the electric heating pipes in the placement box is multiple, and the distances between two adjacent electric heating pipes are equal.

Further, a straight groove is formed in the surface of the fixed block, a fixed pin is rotatably arranged in the straight groove, and the connecting rod is fixedly connected with the fixed pin.

Further, the front surface of the drying oven is movably provided with an oven door, and one side surface of the oven door is fixedly provided with a sealing strip.

Further, the mounting plates with the number of two are fixedly arranged on the left side surface and the right side surface of the drying box, and the supporting rods are fixedly arranged on the lower surface of the mounting plates.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

this take dual-purpose drying oven of heated air circulation and vacuum drying is equipped with dual drying mechanism through being equipped with in the drying cabinet, can be according to the characteristic and the needs of being dried article switch the drying method at any time, need not to be shifted the dried article at this in-process, and convenient to use is more swift, has improved the drying efficiency to article greatly.

Drawings

FIG. 1 is a schematic view of the inside of the structure of the present utility model;

FIG. 2 is a schematic view of a structural fixing frame of the present utility model;

FIG. 3 is a schematic view of a structural placement case of the present utility model;

FIG. 4 is a schematic view of a structural securing block according to the present utility model;

fig. 5 is a schematic view of the structure of the present utility model.

In the figure: 1. a drying box; 2. a ventilation pipe; 3. a blower; 4. a fixed frame; 5. placing a box; 6. an electrothermal silk screen; 7. an electric heating tube; 8. a first vent; 9. placing a grid plate; 10. an electric telescopic rod; 11. a plugging plate; 12. a vacuum extractor; 13. a connecting pipe; 14. a second vent; 15. a fixed block; 16. a connecting rod; 17. a cover plate; 18. a rubber seal ring; 19. a first rubber gasket; 20. a second rubber gasket; 21. a straight slot; 22. a fixing pin; 23. a door; 24. a sealing strip; 25. a mounting plate; 26 supporting rods.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a dual-purpose drying oven with hot air circulation and vacuum drying in this embodiment includes a drying oven 1, a dual-drying mechanism is disposed on the drying oven 1, the dual-drying mechanism includes a ventilation pipe 2 fixedly mounted on a lower surface of the drying oven 1, an inner cavity of the ventilation pipe 2 is communicated with an inner cavity of the drying oven 1 to facilitate air supply into the drying oven 1, a fan 3 is fixedly mounted in the ventilation pipe 2, a fixing frame 4 and a placement box 5 are fixedly mounted in the inner cavity of the drying oven 1, an electrothermal wire mesh 6 positioned at a top of the ventilation pipe 2 is fixedly mounted on an inner side surface of the fixing frame 4, electrothermal tubes 7 are fixedly mounted between opposite side surfaces of the inner cavity of the placement box 5, a plurality of electrothermal tubes 7 are disposed in the placement box 5, a number of ventilation openings 8 are disposed on a lower surface of the placement box 5, a placement grid plate 9 is fixedly mounted on an upper surface of the placement box 5, the lower surface of the drying box 1 is fixedly provided with two electric telescopic rods 10, the bottom of each electric telescopic rod 10 is fixedly provided with a plugging plate 11 positioned at the bottom of the ventilating pipe 2, the bottom of the ventilating pipe 2 is fixedly provided with a rubber sealing ring 18, the upper surface of each plugging plate 11 is fixedly provided with a first rubber sealing gasket 19 which is convenient for sealing the ventilating pipe 2, the upper surface of the drying box 1 is fixedly provided with a vacuumizing machine 12, the lower surface of the vacuumizing machine 12 is fixedly provided with a connecting pipe 13 penetrating into the drying box 1, the left side surface and the right side surface of the drying box 1 are respectively provided with a second ventilation opening 14, the left side surface and the right side surface of the drying box 1 are respectively fixedly provided with a fixed block 15 positioned above the second ventilation opening 14, the surface of the fixed block 15 is movably provided with a connecting rod 16, one end of the connecting rod 16 far away from the fixed block 15 is fixedly provided with a cover plate 17, the size of the cover plate 17 is larger than that of the second vent 14, a second rubber sealing gasket 20 is fixedly arranged on the surface of one side, close to the drying box 1, of the cover plate 17, the second vent 14 is convenient to seal, a straight groove 21 is formed in the surface of the fixing block 15, a fixing pin 22 is rotatably arranged in the straight groove 21, a connecting rod 16 is fixedly connected with the fixing pin 22, the cover plate 17 is convenient to rotate on the fixing block 15, a box door 23 is movably arranged on the front surface of the drying box 1, and a sealing strip 24 is fixedly arranged on the surface of one side of the box door 23.

The working principle of the embodiment is as follows:

when the drying box is used, an article is placed on the article placing grid plate 9, the box door 23 is closed, when hot air needs to be used for drying, the fan 3 and the electric heating silk screen 6 are started, the electric heating silk screen 6 heats, wind generated by the fan 3 enters the drying box 1 through the ventilating pipe 2, the wind is heated to form hot air through the electric heating silk screen 6, the hot air acts on the surface of the article through the first ventilation opening 8 on the placing box 5, the article can be dried, the cover plate 17 covered on the surface of the second ventilation opening 14 can be blown open under the action of the hot air, the hot air can be discharged through the second ventilation opening 14 on the drying box 1, when vacuum drying is needed to be used, the vacuumizing machine 12 and the electric telescopic rod 10 are started, the electric telescopic rod 10 drives the blocking plate 11 to ascend, the first rubber sealing gasket 19 is in contact with the rubber sealing ring 18, the ventilating pipe 2 can be sealed, meanwhile, the vacuumizing machine 12 pumps air in the drying box 1, the cover plate 17 and the second rubber sealing gasket 20 are adsorbed on the surface of the drying box 1 to seal the article, and the article can be dried under the action of the vacuum after the electric heating pipe 7 is started.

In the second embodiment, on the basis of the first embodiment, two mounting plates 25 are fixedly mounted on the left side surface and the right side surface of the drying oven 1, and a supporting rod 26 is fixedly mounted on the lower surface of the mounting plate 25, so that the drying oven 1 is conveniently supported.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take dual-purpose drying oven of heated air circulation and vacuum drying, includes drying cabinet (1), its characterized in that: the drying box (1) is provided with a double drying mechanism;

the dual drying mechanism comprises a ventilation pipe (2) fixedly arranged on the lower surface of a drying box (1), a fan (3) is fixedly arranged in the ventilation pipe (2), a fixing frame (4) and a placing box (5) are fixedly arranged in the inner cavity of the drying box (1), an electric heating wire mesh (6) arranged at the top of the ventilation pipe (2) is fixedly arranged on the inner side surface of the fixing frame (4), an electric heating pipe (7) is fixedly arranged between the opposite side surfaces of the inner cavity of the placing box (5), a first ventilation opening (8) is formed in the lower surface of the placing box (5), a storage grid plate (9) is fixedly arranged on the upper surface of the placing box (5), two electric telescopic rods (10) are fixedly arranged on the lower surface of the drying box (1), a plugging plate (11) arranged at the bottom of the ventilation pipe (2) is fixedly arranged at the bottom of the electric telescopic rods (10), a vacuumizing machine (12) is fixedly arranged on the upper surface of the drying box (1), a connecting pipe (13) penetrating into the drying box (1) is fixedly arranged on the lower surface of the fixing frame, a left ventilation opening (14) and a right ventilation opening (15) are formed in the left surface of the drying box (1) and the right surface of the drying box (14), the surface of the fixed block (15) is movably provided with a connecting rod (16), and one end, far away from the fixed block (15), of the connecting rod (16) is fixedly provided with a cover plate (17).

2. The drying oven with hot air circulation and vacuum drying functions according to claim 1, wherein: the inner cavity of the ventilation pipe (2) is communicated with the inner cavity of the drying box (1).

3. The drying oven with hot air circulation and vacuum drying functions according to claim 1, wherein: the bottom of the ventilation pipe (2) is fixedly provided with a rubber sealing ring (18), and the upper surface of the plugging plate (11) is fixedly provided with a first rubber sealing gasket (19).

4. The drying oven with hot air circulation and vacuum drying functions according to claim 1, wherein: the size of the cover plate (17) is larger than that of the second ventilation opening (14), and a second rubber sealing gasket (20) is fixedly arranged on the surface of one side of the cover plate (17) close to the drying box (1).

5. The drying oven with hot air circulation and vacuum drying functions according to claim 1, wherein: the number of the electric heating tubes (7) in the placement box (5) is multiple, and the distances between two adjacent electric heating tubes (7) are equal.

6. The drying oven with hot air circulation and vacuum drying functions according to claim 1, wherein: a straight groove (21) is formed in the surface of the fixed block (15), a fixed pin (22) is rotatably arranged in the straight groove (21), and the connecting rod (16) is fixedly connected with the fixed pin (22).

7. The drying oven with hot air circulation and vacuum drying functions according to claim 1, wherein: the front surface of the drying oven (1) is movably provided with an oven door (23), and one side surface of the oven door (23) is fixedly provided with a sealing strip (24).

8. The drying oven with hot air circulation and vacuum drying functions according to claim 1, wherein: the drying oven is characterized in that two mounting plates (25) are fixedly arranged on the left side surface and the right side surface of the drying oven (1), and supporting rods (26) are fixedly arranged on the lower surface of each mounting plate (25).