CN220541633U - Hot air drying device - Google Patents

Abstract

The utility model belongs to the technical field of hot air drying, and particularly relates to a hot air drying device, which comprises: the hot air drying device comprises a hot air drying device body and a chute, wherein the chute is arranged on the hot air drying device body and is communicated with an inner cavity of the hot air drying device body, and a baffle is connected in a sliding manner in the chute; the fixing component is positioned in the baffle and used for fixing the baffle in the chute and preventing the baffle from moving; the drying device comprises a hot air drying device body, a motor, a drying device, a motor, a cover and a cover, wherein the motor is fixedly connected to the top end of the hot air drying device body, the drying device is single in drying mode, cannot uniformly dry a plurality of plant straws, consumes long time for drying treatment and is unfavorable for use, and the problems that when the drying device cleans impurities remained in the drying device, a user is required to pull the cover up to clean the interior of the drying device from the upper side, the user is inconvenient to clean the impurities remained in the drying device, and the difficulty of cleaning is increased are solved.

Description

Hot air drying device

Technical Field

The utility model belongs to the technical field of hot air drying, and particularly relates to a hot air drying device.

Background

The hot air drying device is a drying device commonly used in industrial production, and is used for quickly drying wet materials by providing hot air to evaporate moisture in the wet materials, so that the drying time is shortened, and the hot air drying device is generally provided with a large processing capacity and can simultaneously process a large amount of wet materials.

For example, chinese patent with publication number CN216448513U discloses a plant straw drying device, including protection main part, lift upper cover, lift rotating assembly and stoving subassembly, protection main part upper end opening, protection main part cavity sets up, lift upper cover is located protection main part upper end opening part, lift rotating assembly is located protection main part, stoving subassembly is located lift upper cover, lift rotating assembly includes lift stirring subassembly, the supporting body, rotating electrical machines, the rotation axis, the driving gear, driven gear, support column and backup pad, rotating electrical machines fixed mounting is on protection main part internal bottom wall, the rotation axis is fixed to be set up at the rotating electrical machines output, driving gear fixed mounting is on the rotation axis, the two pair of symmetric distributions of backup pad are on the two opposite side walls in the protection main part. The utility model belongs to the technical field of plant straws, and particularly relates to a plant straw drying device capable of stirring and drying straws, which is easy to guide hot air rapidly, quickens the drying of the straws and improves the drying efficiency.

The above patent has the following problems:

this patent suffers from several drawbacks in use, such as: above-mentioned drying device's stoving mode is comparatively single, can't even carry out drying process to a plurality of plant straw, leads to drying process consuming time longer, be unfavorable for the use, and drying device is when carrying out drying process to plant straw, impurity on the plant straw can receive hot-blast influence to remain inside drying device, and above-mentioned drying device is when clearing up inside remaining impurity, needs the user to pull up the upper cover, clear up drying device inside from the top, it is comparatively inconvenient when leading to the user to clear up the inside remaining impurity of drying device, the degree of difficulty of clearance has been increased. In view of this, we propose a hot air drying device.

Disclosure of Invention

The utility model aims at solving the technical problems that the drying mode of the drying device is single, the drying treatment of a plurality of plant straws cannot be uniformly carried out, the drying treatment consumes longer time and is unfavorable for use, and the problems that when the drying device is used for cleaning impurities remained in the drying device, a user is required to pull an upper cover up to clean the interior of the drying device from the upper part, the user is inconvenient to clean the impurities remained in the drying device, and the cleaning difficulty is increased are solved.

In view of the above, the present utility model provides a hot air drying apparatus, comprising:

the hot air drying device comprises a hot air drying device body and a chute, wherein the chute is arranged on the hot air drying device body and is communicated with an inner cavity of the hot air drying device body, and a baffle is connected in a sliding manner in the chute;

the fixing component is positioned in the baffle and used for fixing the baffle in the chute and preventing the baffle from moving;

the motor is fixedly connected to the top end of the hot air drying device body, and an output shaft of the motor penetrates through the top surface of the hot air drying device body and extends to the inner cavity of the hot air drying device body;

the fixing groove is formed in the top surface of the inner cavity of the hot air drying device body, and a toothed ring is fixedly connected in the fixing groove;

the rotating rod is fixedly connected to an output shaft of the motor, a plurality of gears are rotationally connected to the rotating rod and meshed with the toothed ring, the bottoms of the gears penetrate through the rotating rod and extend into the hot air drying device body, the bottoms of the gears are fixedly connected with fixing blocks, and the fixing blocks are located below the rotating rod;

the extrusion assemblies are respectively positioned in the fixing blocks and used for extruding the corresponding platycodon grandiflorum.

In this technical scheme, ensure that a plurality of straw in the hot-blast drying device body can be by even stoving for the efficiency of stoving.

In the above technical solution, further, the fixing assembly includes:

the slot is formed in the inner wall of the chute;

the rotary groove is formed in the baffle and is communicated with the slot, the rotary groove is rotationally connected with the insert block, the insert block is fixedly connected with the half-width block, and one end of the half-width block penetrates through the rotary groove and extends to the outside.

In this technical scheme, ensure that the user can be convenient clear up the inside remaining impurity of hot air drying device body.

In the above technical scheme, one end of the further insert block is in plug-in fit with the slot, and the half-transverse-shaped block is rotationally connected with the baffle.

In the technical scheme, one end of the insert block can be normally inserted into the slot, and the half-transverse-V-shaped block can be normally rotated on the baffle.

In the above technical solution, further, the extrusion assembly includes:

the extrusion groove is formed in the fixed block and is communicated with the outside, the extrusion plate is connected in a sliding mode in the extrusion groove, the threaded rod is connected in a rotating mode in the extrusion groove, and one end of the threaded rod penetrates through the extrusion plate and extends to the outside.

In the technical scheme, the extrusion plate is ensured to fix a plurality of corresponding straws on the fixed block.

In the above technical scheme, further, the threaded rod is in threaded connection with the extrusion plate.

In this technical scheme, ensure when the threaded rod rotates, the stripper plate can receive the effect of threaded rod screw thread to remove along the extrusion groove.

In the above technical scheme, further, the output shaft of motor is connected with the rotation of hot air drying device body, and a plurality of the gear is located the fixed slot and rotates with the fixed slot to be connected, spout and baffle closely laminate.

The beneficial effects of the utility model are as follows:

1. this hot air drying device, through motor and bull stick that set up, when the motor starts, the output of motor can drive the bull stick and rotate in this hot air drying device, through the gear that sets up, fixed block and extrusion subassembly, when this internal rotation of hot air drying device of bull stick, the bull stick can drive a plurality of gears and rotate in this internal rotation of hot air drying device, let the gear drive a plurality of straw that correspond through corresponding fixed block and corresponding extrusion subassembly and rotate in this internal rotation of hot air drying device, through the ring gear that sets up, when the gear drives a plurality of straw that correspond through corresponding fixed block and corresponding extrusion subassembly and rotate in this internal rotation of hot air drying device, a plurality of gears can receive the effect of ring gear meshing, let the gear drive a plurality of straw that correspond through corresponding fixed block and corresponding extrusion subassembly and rotate in this internal rotation of hot air drying device, ensure that this internal a plurality of straw of hot air drying device can be evenly dried, drying device's stoving mode is comparatively single, unable even carries out drying treatment to a plurality of plant straw, lead to drying treatment's longer time, unfavorable for the problem of using.

2. This hot air drying device, through spout and the baffle that set up, let the baffle can slide in the spout, through the fixed subassembly that sets up, let the user can be fixed the baffle in the spout through fixed subassembly and can't remove, or, when the baffle is fixed in the spout can't remove, the user removes the fixed to the baffle through fixed subassembly, let the user slide the baffle, let the inner chamber of hot air drying device body expose in the external world, when having solved drying device and clear up inside remaining impurity, need the user to pull up the upper cover, clear up inside drying device from the top, it is comparatively inconvenient when leading to the user to clear up the inside remaining impurity of drying device, the problem of the degree of difficulty of clearance has been increased.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the overall cross-sectional structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of a hot air drying apparatus according to the present utility model;

FIG. 4 is a schematic view showing the internal structure of a main body of the hot air drying apparatus according to the present utility model;

fig. 5 is a schematic view showing the internal structure of the extrusion tank in the present utility model.

The label in the figure is:

1. a hot air drying device body; 2. a chute; 3. a baffle; 4. a motor; 5. a fixing groove; 6. a toothed ring; 7. a rotating rod; 8. a gear; 9. a fixed block; 10. a slot; 11. a rotary groove; 12. inserting blocks; 13. a shaped block; 14. an extrusion groove; 15. an extrusion plate; 16. a threaded rod.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

It should be noted that, in the description of the present application, the terms "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and merely for convenience of description of the present application and simplification of the description, the azimuth terms do not indicate and imply that the apparatus or element referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

It should be noted that, in this application, 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. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Example 1:

the embodiment provides a hot air drying device, including:

the hot air drying device comprises a hot air drying device body 1 and a chute 2, wherein the chute 2 is arranged on the hot air drying device body 1 and is communicated with an inner cavity of the hot air drying device body 1, and a baffle 3 is connected in a sliding manner in the chute 2;

the fixing component is positioned in the baffle plate 3 and is used for fixing the baffle plate 3 in the chute 2 and cannot move;

the motor 4 is fixedly connected to the top end of the hot air drying device body 1, and an output shaft of the motor 4 penetrates through the top surface of the hot air drying device body 1 and extends to the inner cavity of the hot air drying device body 1;

the fixing groove 5 is formed in the top surface of the inner cavity of the hot air drying device body 1, and a toothed ring 6 is fixedly connected in the fixing groove 5;

the rotating rod 7 is fixedly connected to the output shaft of the motor 4, a plurality of gears 8 are rotatably connected to the rotating rod 7, the gears 8 are meshed with the toothed ring 6, the bottom ends of the gears 8 penetrate through the rotating rod 7 and extend into the hot air drying device body 1, the bottom ends of the gears 8 are fixedly connected with fixing blocks 9, and the fixing blocks 9 are located below the rotating rod 7;

the extrusion assemblies are respectively positioned in the fixing blocks 9 and are used for extruding the corresponding platycodon grandiflorum.

According to the embodiment, when the baffle 3 is pulled by a user to slide along the chute 2 to the outside, when the baffle 3 moves to a proper position, the inner cavity of the hot air drying device body 1 is completely exposed to the outside, then one end of a plurality of straws is placed on the fixed block 9 by the user, the corresponding straws are placed on the corresponding fixed block 9 by the extrusion assembly, then the baffle 3 is pulled by the user by the hand to enable the baffle 3 to move along the chute 2 to a direction far away from the outside, when the baffle 3 moves to the proper position, the baffle 3 is fixed in the chute 2 by the user through the fixed assembly, then the hot air blower on the hot air drying device body 1 is started by the user, the hot air blower on the hot air drying device body 1 blows into the hot air drying device body 1, then the motor 4 is started by the user, the output end of the motor 4 drives the rotary rod 7 to rotate in the fixed groove 5, when the rotary rod 7 rotates, the rotary rod 7 drives the corresponding straws to rotate in the hot air drying device body 1 through the gears 8 and the fixed blocks 9, and simultaneously the toothed wheels 8 are meshed with the corresponding gears 8 to the hot air blower 1, the inside the hot air drying device 1 is completely removed by the rotary rod 8, and the inside the hot air drying device 1 is completely dried by the rotary rod 1 when the rotary rod 8 is required to be automatically rotated, and the inside the hot air drying device 1 is completely is dried by the rotary rod 1, and the inside the hot air drying device is completely removed by the rotary rod 1 when the corresponding to be dried by the corresponding hot air blower 1, the restriction to baffle 3 is released through fixed subassembly to the user afterwards, then the user pulls baffle 3 with the hand, let baffle 3 slide along spout 2 outside, when baffle 3 moved suitable position, the inner chamber of hot-air drying device body 1 can expose in the external world completely this moment, then the user releases the extrusion to the straw through extrusion subassembly, let the user can take out a plurality of straw from hot-air drying device body 1, then the user alright clear up the impurity that remains in the hot-air drying device body 1, ensure that a plurality of straw in the hot-air drying device body 1 can be by even stoving, the efficiency of stoving has been accelerated.

Example 2:

the present embodiment provides a hot air drying device, which has the following technical features in addition to the technical scheme including the above embodiment, and the fixing assembly includes:

the slot 10 is formed in the inner wall of the chute 2;

the rotating groove 11 is formed in the baffle 3 and is communicated with the slot 10, the rotating groove 11 is rotationally connected with the insert block 12, the insert block 12 is fixedly connected with the half-frame block 13, and one end of the half-frame block 13 penetrates through the rotating groove 11 and extends to the outside.

It can be seen that, in this embodiment, when the user needs to clean the inner cavity of the hot air drying device body 1, the user reversely rotates the half-frame-shaped block 13 by hand, so that the half-frame-shaped block 13 drives the insert block 12 to reversely rotate along the rotating groove 11, one end of the insert block 12 enters the rotating groove 11 from the slot 10, at this time, the insert block 12 releases the restriction on the baffle 3, then the user pulls the baffle 3 by hand, so that the baffle 3 slides along the chute 2 to the outside, when the baffle 3 moves to a proper position, the inner cavity of the hot air drying device body 1 is completely exposed to the outside, and then the user can clean the impurities remained in the hot air drying device body 1, so as to ensure that the user can conveniently clean the impurities remained in the hot air drying device body 1.

Example 3:

the present embodiment provides a hot air drying device, which includes the technical scheme of the above embodiment, and has the following technical features, in which one end of the insert block 12 is in plug-in fit with the slot 10, and the half-width block 13 is rotatably connected with the baffle 3.

In this embodiment, it can be seen that one end of the insert block 12 is ensured to be normally inserted into the slot 10, and the half-frame block 13 is ensured to normally rotate on the baffle 3.

Example 4:

the present embodiment provides a hot air drying apparatus, which has the following technical features in addition to the technical scheme including the above embodiment, and the extrusion assembly includes:

the extrusion groove 14, the extrusion groove 14 is offered in fixed block 9 and is linked together with the external world, and the sliding connection has extrusion board 15 in the extrusion groove 14, and the swivelling joint has threaded rod 16 in the extrusion groove 14, and the one end of threaded rod 16 runs through extrusion board 15 and extends to the external world.

It can be seen that, in this embodiment, when the straw drying device is used, a user places one end of a plurality of straws on the fixed block 9, then the user rotates the corresponding threaded rod 16 by hand, so that the corresponding extrusion plate 15 moves along the direction of the corresponding straw along the corresponding extrusion groove 14 under the action of the threads of the corresponding threaded rod 16, when the extrusion plate 15 moves to a position where the extrusion plate cannot move, the extrusion plate 15 fixes one end of a plurality of straws on the fixed block 9, after the use is completed, the user reversely rotates the threaded rod 16 by hand, so that the extrusion plate 15 moves along the direction away from a plurality of straws along the extrusion groove 14 under the action of the threads of the threaded rod 16, when the extrusion plate 15 moves to a proper position, the extrusion plate 15 releases extrusion of the straws, so that the user can take out a plurality of straws from the hot air drying device body 1, and the extrusion plate 15 can fix a plurality of corresponding straws on the fixed block 9.

Example 5:

the present embodiment provides a hot air drying apparatus having the following technical features in addition to the technical scheme including the above embodiment, the threaded rod 16 is screw-coupled with the pressing plate 15.

This embodiment can be seen to ensure that as the threaded rod 16 rotates, the compression plate 15 will be moved along the compression groove 14 by the threads of the threaded rod 16.

Example 6:

the present embodiment provides a hot air drying device, which includes the following technical features in addition to the technical scheme of the foregoing embodiment, and the output shaft of the motor 4 is rotationally connected with the hot air drying device body 1, and the plurality of gears 8 are located in the fixing groove 5 and rotationally connected with the fixing groove 5, and the chute 2 is closely attached to the baffle 3.

In this embodiment, it can be seen that the output shaft of the motor 4 is ensured to normally rotate in the hot air drying device body 1, the gears 8 are ensured to normally rotate in the fixing groove 5, and the hot air in the hot air drying device body 1 is ensured not to circulate to the outside through the gap between the baffle 3 and the chute 2.

When in use, a user pulls the baffle plate 3 by hand to enable the baffle plate 3 to slide outwards along the chute 2, when the baffle plate 3 moves to a proper position, the inner cavity of the hot air drying device body 1 is completely exposed to the outside, then the user places one ends of a plurality of straws on the fixed blocks 9, then the user rotates the corresponding threaded rods 16 by hand to enable the corresponding extrusion plates 15 to move along the corresponding extrusion grooves 14 towards the straws under the action of the threads of the corresponding threaded rods 16, when the extrusion plates 15 move to a position incapable of moving, the extrusion plates 15 fix one ends of a plurality of straws on the fixed blocks 9, then the user pulls the baffle plate 3 by hand to enable the baffle plate 3 to move along the chute 2 to a direction away from the outside, when the baffle plate 3 moves to a proper position, the user rotates the split blocks 13 by hand to enable the split blocks 13 to drive the inserting blocks 12 to rotate along the rotating grooves 11, one end of the inserting block 12 enters the slot 10 from the rotary groove 11, at the moment, the inserting block 12 fixes the baffle 3 in the chute 2 and can not move, then a user starts the hot air blower on the hot air drying device body 1 to blow hot air into the hot air drying device body 1, then the user starts the motor 4 to drive the rotary rod 7 to rotate in the fixed groove 5, when the rotary rod 7 rotates, the rotary rod 7 drives a plurality of straws to rotate in the hot air drying device body 1 through a plurality of gears 8 and a plurality of fixed blocks 9, and simultaneously the gears 8 also rotate on the rotary rod 7 under the meshing action of the toothed ring 6, when the gears 8 rotate, the gears 8 drive the corresponding straws to rotate through the corresponding fixed blocks 9, so that the straws rotate while rotating in the hot air drying device body 1, the hot air in the hot air drying device body 1 can carry out comprehensive drying treatment to a plurality of straws, ensure that a plurality of straws in the hot air drying device body 1 can be evenly dried, and accelerate the efficiency of drying, after the straws are dried, the inner cavity of the hot air drying device body 1 can be completely exposed outside when the straws are taken out from the hot air drying device body 1 and residual impurities in the hot air drying device body 1 are cleaned, the hot air on the hot air drying device body 1 is closed by a user, then the user reversely rotates the shape block 13 by hands, the shape block 13 drives the insert block 12 to reversely rotate along the rotary groove 11, one end of the insert block 12 enters the rotary groove 11 from the inside of the slot 10, at this moment, the insert block 12 releases the limitation on the baffle 3, then the user manually pulls the baffle 3 to slide along the outwards along the sliding groove 2, when the baffle 3 moves to a proper position, the inner cavity of the hot air drying device body 1 can be completely exposed outside, then the user reversely rotates the threaded rod 16 by hands, the effect of the threaded rod 16 moves along the direction of the extrusion groove 14, the extrusion plate 15 moves along the extrusion groove 14 to a plurality of directions, the extrusion plate 15 moves to the direction of the extrusion plate 15, the direction of the threads, the direction of the extrusion plate 15 moves the extrusion plate 15, the direction of the hot air along the direction of the extrusion plate, the inner cavity 1, the hot air drying device 1 can be completely removed by the user, and the residual impurities can be cleaned by the user, and can be dried by the user, and the user can remove the impurities in the inside the hot air drying device body can conveniently and dried by the user, and can be dried by the user.

The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims (6)

1. A hot air drying apparatus, comprising:

the hot air drying device comprises a hot air drying device body (1) and a chute (2), wherein the chute (2) is arranged on the hot air drying device body (1) and is communicated with an inner cavity of the hot air drying device body (1), and a baffle (3) is connected in a sliding manner in the chute (2);

the fixing component is positioned in the baffle plate (3) and used for fixing the baffle plate (3) in the chute (2) and cannot move;

the motor (4) is fixedly connected to the top end of the hot air drying device body (1), and an output shaft of the motor (4) penetrates through the top surface of the hot air drying device body (1) and extends to the inner cavity of the hot air drying device body (1);

the fixing groove (5) is formed in the top surface of the inner cavity of the hot air drying device body (1), and a toothed ring (6) is fixedly connected in the fixing groove (5);

the rotary rod (7), the rotary rod (7) is fixedly connected to the output shaft of the motor (4), a plurality of gears (8) are rotatably connected to the rotary rod (7), the gears (8) are meshed with the toothed ring (6), the bottom ends of the gears (8) penetrate through the rotary rod (7) and extend into the hot air drying device body (1), the bottom ends of the gears (8) are fixedly connected with fixing blocks (9), and the fixing blocks (9) are located below the rotary rod (7);

the extrusion assemblies are respectively positioned in the fixing blocks (9) and used for extruding the corresponding platycodon grandiflorum.

2. The hot air drying appliance of claim 1, wherein the stationary assembly comprises:

the slot (10) is formed in the inner wall of the sliding groove (2);

the rotary groove (11), the rotary groove (11) is arranged in the baffle (3) and is communicated with the slot (10), the rotary groove (11) is rotationally connected with the insert block (12), the insert block (12) is fixedly connected with the radial block (13), and one end of the radial block (13) penetrates through the rotary groove (11) and extends to the outside.

3. The hot air drying apparatus according to claim 2, wherein: one end of the inserting block (12) is in plug-in fit with the inserting groove (10), and the half-bridge block (13) is rotationally connected with the baffle plate (3).

4. The hot air drying apparatus according to claim 1, wherein the pressing assembly comprises:

the extrusion groove (14), extrusion groove (14) are offered in fixed block (9) and are linked together with the external world, sliding connection has extrusion board (15) in extrusion groove (14), extrusion groove (14) swivelling joint has threaded rod (16), and the one end of threaded rod (16) runs through extrusion board (15) and extends to the external world.

5. The hot air drying apparatus according to claim 4, wherein: the threaded rod (16) is in threaded connection with the extrusion plate (15).

6. The hot air drying apparatus according to claim 1, wherein: the output shaft of motor (4) is connected with hot air drying device body (1) rotation, and a plurality of gear (8) are located fixed slot (5) and are connected with fixed slot (5) rotation, spout (2) are closely laminated with baffle (3).