Heat pump drying device with uniform drying function

Abstract

The invention discloses a heat pump drying device with a uniform drying function, and relates to the technical field of drying devices. The heat pump drying device with the uniform drying function comprises a bottom plate, a material containing structure, a ventilation vertical plate and a positioning structure, a drying box body and a dust filtering box are fixedly mounted at the top of the bottom plate, an air heater is arranged at the top of the dust filtering box, a material bearing base is arranged in the drying box body, and mounting box bodies are arranged on the two sides of the material bearing base; a first limiting vertical strip and a second limiting vertical strip are fixedly installed in the drying box body, the material containing structure is arranged on the material bearing base, and the ventilation vertical plate is fixedly installed on the inner wall of the rear side of the drying box body. According to the heat pump drying device with the uniform drying function, materials can be flatly laid on the ventilation material net, hot air is blown out from the lower portion to dry the materials, in this way, the materials can be dried more uniformly and sufficiently, the distance between the multiple sets of material bearing bases can be conveniently adjusted, or the number of the material bearing bases can be conveniently increased or decreased; and more materials can be processed in a limited space, so that the space utilization rate and the processing benefit of the device are improved.

Description

Technical Field

[0001] The invention relates to the technical field of drying devices, and in particular to a heat pump drying device for uniform drying. Background Art

[0002] Chinese patent document CN220541620U discloses a heat pump drying device capable of uniform drying, comprising a dryer, a cabinet door, a heat dissipation door, a control console, a base platform, and a top cover. The top cover is embedded and connected to the top of the dryer, the control console is arranged at the front end of the dryer, the cabinet door is hingedly connected to the front end of the dryer, the base platform is embedded and connected to the bottom position of the dryer, and the heat dissipation door is bolted to the bottom of the front end of the dryer. By placing the material to be dried above the adjusting device, the drying device can effectively diffuse the heat further, increase the heated area, so that the material on the adjusting device can be dried in all aspects, and improve the drying efficiency of the dryer, and the adjusting device can keep the material in a horizontal state, avoiding the material being placed in a remote position and unable to be dried uniformly.

[0003] The above-mentioned heat pump drying device capable of uniform drying is difficult to fully dry the contact surface of the material on the adjusting device, which directly affects the quality of drying. In addition, the space utilization rate of the device is poor, and the materials that can be processed in the same batch are very limited, which increases the energy consumption of the device and reduces the processing efficiency. Therefore, it can be improved. Summary of the invention

[0004] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art and to provide a heat pump drying device with uniform drying, which can solve the problem that it is difficult to fully dry the contact surface of the material on the adjusting device, which directly affects the quality of drying, and the space utilization rate of the device is poor. The materials that can be processed in the same batch are very limited, which increases the energy consumption of the device and reduces the processing efficiency.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a heat pump drying device for uniform drying, comprising a bottom plate, a material placing structure, a ventilation vertical plate and a positioning structure, a drying box body and a dust filter box are fixedly installed on the top of the bottom plate, a hot air blower is arranged on the top of the dust filter box, a material receiving base is arranged inside the drying box body, mounting box bodies are arranged on both sides of the material receiving base, a first limiting vertical bar and a second limiting vertical bar are fixedly installed inside the drying box body, the material placing structure is arranged on the material receiving base, the material placing structure comprises a circular plate, a circular frame body and a ventilation material net, the ventilation vertical plate is fixedly installed on the rear inner wall of the drying box body, an air supply structure is arranged on the ventilation vertical plate and the material receiving base, the air supply structure comprises a mounting pipe, an annular pad, an elastic hose and a connecting pipe, the positioning structure is arranged on the mounting box body and the first limiting vertical bar, and the positioning structure is used to adjust the height of the material receiving base.

[0006] Preferably, the material-bearing base includes a material-bearing shell, a circular magnetic strip and a circular rubber pad, and the left and right groups of mounting boxes are respectively fixedly installed on the two sides of the material-bearing shell, a circular groove and a circular cavity are provided on the top of the material-bearing shell, the circular magnetic strip is fixedly installed on the inner wall of the circular groove, the circular rubber pad is fixedly installed on the inner wall of the circular cavity, an air filling port is provided on the material-bearing shell, the first limiting vertical bar and the second limiting vertical bar are both in two groups and are symmetrically distributed on the left and right, a notch is provided on the top of the second limiting vertical bar, and movable slides are fixedly installed on both sides of the material-bearing shell, the movable slides are slidably installed in the notch, and more than two groups of positioning holes arranged vertically are provided on the front side of the first limiting vertical bar.

[0007] Preferably, the positioning structure includes a sliding block, a positioning column, a spring, a pull rod and a pull ring. The sliding block is slidably installed inside the installation box body, the positioning column is fixedly installed on the rear side of the sliding block, a circular opening is opened on the rear side of the installation box body, one end of the positioning column passes through the circular opening and is inserted into the positioning hole, the spring is fixedly installed between the front side of the sliding block and the inside of the installation box body, one end of the pull rod passes through the installation box body and is fixedly connected to the sliding block, and the pull ring is fixedly installed on the outer wall of the pull rod.

[0008] Preferably, a sealed box cover is hingedly installed on the front side of the drying box body, an opening and closing handle is fixedly installed on the front side of the sealed box cover, and the outer wall of the opening and closing handle is covered with a heat-insulating rubber sleeve to prevent burns when holding the opening and closing handle.

[0009] Preferably, limit strips are fixedly installed on the inner top and inner bottom of the dust filter box, and dust filters are clamped and installed on the two sets of limit strips. An air inlet is provided on the right side of the dust filter box, and an air intake pipe is fixedly installed on the input end of the hot air blower. The air intake pipe is fixedly installed on the top of the dust filter box. A vent is provided on the top of the dust filter box, and the vent is connected with the air intake pipe. An air filling pipe is fixedly installed on the output end of the hot air blower, and a hollow cavity is provided on the ventilation vertical plate. The air filling pipe passes through the drying box body and extends into the hollow cavity.

[0010] Preferably, a block is fixedly installed on the inner wall of the dust filter box, a sealing cover plate is provided on the rear side of the dust filter box, screws are provided on the rear side of the sealing cover plate, the screws pass through the sealing cover plate and are threadedly connected to the block, a sealing gasket is fixedly installed on the front side of the sealing cover plate, the sealing gasket is in contact with the rear side of the dust filter box to prevent air leakage.

[0011] Preferably, an air outlet is provided on the front side of the ventilation vertical plate, the air outlet is connected to the hollow cavity, a sealing plug is installed on the internal thread of the air outlet, a round block is fixedly installed on the front side of the sealing plug, the outer wall of the round block is provided with more than two groups of strip grooves arranged equidistantly in a circular shape, an annular opening is provided on the rear side of the round block, a rubber ring is fixedly installed on the inner wall of the annular opening, and the rubber ring is in contact with the front side of the ventilation vertical plate to make it more sealed.

[0012] Preferably, the gas delivery structure includes a mounting tube, an annular gasket, an elastic hose and a connecting tube. The mounting tube is threadedly installed in the air outlet, the connecting tube is fixedly installed on the inner wall of the gas filling port, the elastic hose is fixedly installed between the mounting tube and the connecting tube, the annular gasket is fixedly installed on the outer wall of the mounting tube, a circular ring opening is opened on the rear side of the annular gasket and a silicone ring is fixedly installed on its inner wall, the silicone ring is in contact with the front side of the ventilation vertical plate to prevent air leakage.

[0013] Preferably, the circular frame is fixedly installed on the inner wall of the circular board, the ventilation net is fixedly installed inside the circular frame, the circular board and the circular magnetic strip are attracted by magnetic force, and the circular board contacts the top of the circular rubber pad, so that the circular board has better sealing after installation.

[0014] Preferably, two groups of U-shaped handles distributed front and back are fixedly installed on the top of the circular plate, and a heat insulating sleeve is provided on the U-shaped handle. Four groups of anti-wear pads distributed in a rectangular shape are fixedly installed on the bottom of the ventilation net to prevent the ventilation net from being worn.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] (1) The heat pump drying device for uniform drying, through the coordinated use of a material receiving shell, a circular magnetic strip, a circular rubber pad, a circular plate, a circular frame, a ventilation material net, a mounting box, a sliding block, a positioning column, a spring, a pulling rod, a pulling ring, a ventilation vertical plate, a mounting tube, a ring pad, an elastic hose, a connecting tube, a first limiting vertical strip, a second limiting vertical strip, a movable slide, a hot air blower and an air supply pipe, can, on the one hand, spread the material on the ventilation material net and blow hot air from the bottom to dry it, so that the material can be dried more evenly and fully, and the bottom of the material is not prone to being insufficiently dried, thereby improving the drying quality and practicality of the device, and on the other hand, the distance between multiple groups of material receiving bases can be adjusted or the number of material receiving bases can be increased or decreased, so that more materials can be processed in a limited space, thereby improving the space utilization rate and processing efficiency of the device, and the operation of adjusting the position of the material receiving base and increasing or decreasing the number of the material receiving bases is relatively convenient, thereby enhancing the convenience and practicality of the device.

[0017] (2) The heat pump drying device for uniform drying can filter out dust and impurities contained in the gas when the gas is sucked in by the gas pipe through the coordinated use of the first limiting vertical bar and the dust filter, thereby preventing contamination of the material during the drying process and enhancing the drying quality and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention is further described below in conjunction with the accompanying drawings and embodiments:

[0019] Figure 1 A perspective view of the present invention;

[0020] Figure 2 It is a three-dimensional diagram of the interior of the drying box of the present invention;

[0021] Figure 3 It is a three-dimensional diagram of the material-bearing base of the present invention;

[0022] Figure 4 It is a three-dimensional diagram of the material placement structure of the present invention;

[0023] Figure 5 It is a right side cutaway perspective view of the present invention;

[0024] Figure 6 It is a rear perspective view of the dust filter box of the present invention;

[0025] Figure 7 A three-dimensional diagram of the positioning structure of the present invention;

[0026] Figure 8 A three-dimensional diagram of a ventilation vertical plate of the present invention;

[0027] Fig. 9 For the present invention Figure 5 Enlarged view of part A in .

[0028] Figure numerals: 1, bottom plate; 2, drying box; 3, material base; 301, material shell; 302, circular magnetic strip; 303, circular rubber pad; 4, material placement structure; 401, circular plate; 402, circular frame; 403, ventilation material net; 5, installation box; 6, positioning structure; 61, sliding block; 62, positioning column; 63, spring; 64, pulling rod; 65, pull ring; 7, ventilation vertical plate; 8, gas transmission structure; 81, installation pipe; 82, Annular pad; 83, elastic hose; 84, interconnecting tube; 9, first limit vertical bar; 10, second limit vertical bar; 11, movable slide; 12, hot air blower; 13, gas filling pipe; 14, dust filter box; 15, sealing cover; 16, limit card strip; 17, dust filter; 18, air inlet; 19, suction pipe; 20, stopper; 21, round block; 22, sealing plug; 23, rubber ring; 24, silicone ring; 25, anti-wear pad; 26, U-shaped handle. DETAILED DESCRIPTION

[0029] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0030] See also Figure 1-9The present invention provides a technical solution: a heat pump drying device for uniform drying, comprising a bottom plate 1, a material placement structure 4, a ventilation vertical plate 7 and a positioning structure 6, a drying box 2 and a dust filter box 14 are fixedly installed on the top of the bottom plate 1, a hot air blower 12 is arranged on the top of the dust filter box 14, a material receiving base 3 is arranged inside the drying box 2, and installation boxes 5 are arranged on both sides of the material receiving base 3, and a first limiting vertical bar 9 and a second limiting vertical bar 10 are fixedly installed inside the drying box 2, The material placing structure 4 is arranged on the material receiving base 3, and the material placing structure 4 includes a circular plate 401, a circular frame 402 and a ventilation material net 403. The ventilation vertical plate 7 is fixedly installed on the rear inner wall of the drying box body 2. The ventilation vertical plate 7 and the material receiving base 3 are provided with an air supply structure 8. The air supply structure 8 includes a mounting pipe 81, an annular pad 82, an elastic hose 83 and a connecting pipe 84. The positioning structure 6 is arranged on the mounting box body 5 and the first limiting vertical bar 9. The positioning structure 6 is used to adjust the height of the material receiving base 3.

[0031] A sealed box cover 27 is hingedly installed on the front side of the drying box body 2, and an opening and closing handle 28 is fixedly installed on the front side of the sealed box cover 27. The outer wall of the opening and closing handle 28 is provided with a heat-insulating glue. The inner top and inner bottom of the dust filter box 14 are fixedly installed with limit card strips 16, and the two sets of limit card strips 16 are clamped and installed with dust filter screens 17. An air inlet 18 is opened on the right side of the dust filter box 14, and an air intake pipe 19 is fixedly installed at the input end of the hot air blower 12. The air intake pipe 19 is fixedly installed at the input end of the hot air blower 12. 19 is fixedly installed on the top of the dust filter box 14, and a vent is provided on the top of the dust filter box 14, and the vent is connected to the suction pipe 19, and an air supply pipe 13 is fixedly installed on the output end of the hot air blower 12, and a hollow cavity is provided on the ventilation vertical plate 7, and the air supply pipe 13 passes through the drying box body 2 and extends into the hollow cavity, and a stopper 20 is fixedly installed on the inner wall of the dust filter box 14, and a sealing cover plate 15 is provided on the rear side of the dust filter box 14, and the rear side of the sealing cover plate 15 Screws are provided, which pass through the sealing cover plate 15 and are threadedly connected to the stopper 20. A sealing gasket is fixedly installed on the front side of the sealing cover plate 15, and the sealing gasket contacts the rear side of the dust filter box 14. An air outlet is provided on the front side of the ventilation vertical plate 7, and the air outlet is communicated with the hollow cavity. A sealing plug 22 is installed on the inner thread of the air outlet, and a round block 21 is fixedly installed on the front side of the sealing plug 22. The outer wall of the round block 21 is provided with more than two groups of strip grooves arranged in an annular shape and equidistantly. An annular opening is provided on the rear side of the round block 21, and a rubber ring 23 is fixedly installed on the inner wall of the annular opening, and the rubber ring 23 contacts the front side of the ventilation vertical plate 7. When air is inhaled through the suction pipe 19, the dust filter 17 automatically filters and intercepts dust and impurities in the gas, and can filter out dust and impurities contained in the gas when the gas filling pipe 13 inhales, so as to prevent the pollution of the material during the drying process, thereby enhancing the drying quality and practicality of the device.

[0032] The material receiving base 3 includes a material receiving shell 301, a circular magnetic strip 302 and a circular rubber pad 303. The left and right groups of mounting box bodies 5 are respectively fixedly installed on the two sides of the material receiving shell 301. A circular groove and a circular cavity are provided on the top of the material receiving shell 301. The circular magnetic strip 302 is fixedly installed on the inner wall of the circular groove. The circular rubber pad 303 is fixedly installed on the inner wall of the circular cavity. A gas filling port is provided on the material receiving shell 301. The first limiting vertical bar 9 and the second limiting vertical bar 10 are both in two groups and are symmetrically distributed on the left and right. A notch is provided on the top of the second limiting vertical bar 10. A movable slide 11 is fixedly installed on both sides of the material receiving shell 301. The movable slide 11 is slidably installed in the notch. The front side of the first limiting vertical bar 9 is provided with more than two groups of positioning holes arranged vertically. The positioning structure The structure 6 includes a sliding block 61, a positioning column 62, a spring 63, a pull rod 64 and a pull ring 65. The sliding block 61 is slidably installed inside the installation box body 5, the positioning column 62 is fixedly installed on the rear side of the sliding block 61, and a round opening is opened on the rear side of the installation box body 5. One end of the positioning column 62 passes through the round opening and is inserted into the positioning hole. The spring 63 is fixedly installed between the front side of the sliding block 61 and the inside of the installation box body 5. One end of the pull rod 64 passes through the installation box body 5 and is fixedly connected to the sliding block 61. The pull ring 65 is fixedly installed on the outer wall of the pull rod 64. The gas transmission structure 8 includes a mounting tube 81, an annular pad 82, an elastic hose 83 and a connecting tube 84. The mounting tube 81 is threadedly installed in the air outlet, the connecting tube 84 is fixedly installed on the inner wall of the gas filling port, and the elastic hose 83 is fixed. The annular pad 82 is fixedly installed between the mounting tube 81 and the connecting tube 84, the annular pad 82 is fixedly installed on the outer wall of the mounting tube 81, the rear side of the annular pad 82 is provided with a circular ring opening and the inner wall thereof is fixedly installed with a silicone ring 24, the silicone ring 24 is in contact with the front side of the ventilation vertical plate 7, the circular frame 402 is fixedly installed on the inner wall of the circular plate 401, the ventilation material net 403 is fixedly installed inside the circular frame 402, the circular plate 401 and the circular magnetic strip 302 are attracted by magnetic force, the circular plate 401 is in contact with the top of the circular rubber pad 303, two groups of U-shaped handles 26 distributed front and back are fixedly installed on the top of the circular plate 401, and the U-shaped handle 26 is provided with a heat insulation sheath, and four groups of anti-wear pads 25 distributed in a rectangular shape are fixedly installed on the bottom of the ventilation material net 403 , control the hot air blower 12 to inhale air through the suction pipe 19, and the hot air is transported to the ventilation vertical plate 7 through the air filling pipe 13, and then transported to the material receiving shell 301 through the installation pipe 81, the elastic hose 83 and the connecting pipe 84, and then the hot air automatically dries the material on the ventilation material net 403. When it is necessary to adjust the height of the material receiving base 3, hold the pull ring 65 to pull the sliding block 61 and the positioning column 62 forward, and then move the material receiving base 3, then loosen the pull ring 65, and the spring 63 automatically squeezes the sliding block 61 and the positioning column 62 to move backward, and then the positioning column 62 is automatically inserted into another set of positioning holes. On the one hand, the material can be spread flat on the ventilation material net 403 and blown out hot air from the bottom to dry it. This method makes the material drying more uniform and sufficient.It is not easy for the bottom of the material to be insufficiently dried, which improves the drying quality and the practicality of the device. On the other hand, the distance between multiple groups of material-bearing bases 3 can be adjusted or the number of material-bearing bases 3 can be increased or decreased, so that more materials can be processed in a limited space, which improves the space utilization and processing efficiency of the device. Moreover, the operation of adjusting the position of the material-bearing base 3 and increasing or decreasing the number of the material-bearing base 3 is relatively convenient, which enhances the convenience and practicality of the device.

[0033] Working principle: control the hot air blower 12 to inhale air through the suction pipe 19, and the dust filter 17 automatically filters and intercepts the dust and impurities in the gas, and at the same time, the hot air is transported to the ventilation vertical plate 7 through the gas filling pipe 13, and then transported to the material receiving shell 301 through the installation pipe 81, the elastic hose 83 and the connecting pipe 84, and then the hot air automatically dries the material on the ventilation material net 403. When the height of the material receiving base 3 needs to be adjusted, hold the pull ring 65 to pull the sliding block 61 and the positioning column 62 forward, and then move the material receiving base 3, and then loosen the pull ring 65, and the spring 63 automatically squeezes the sliding block 61 and the positioning column 62 to move backward, and then the positioning column 62 is automatically inserted into another set of positioning holes.

[0034] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A heat pump drying device for uniform drying, characterized in that: include: A bottom plate (1) is provided with a drying box (2) and a dust filter box (14) fixedly mounted on its top, a hot air blower (12) is arranged on the top of the dust filter box (14), a material receiving base (3) is arranged inside the drying box (2), installation boxes (5) are arranged on both sides of the material receiving base (3), and a first limiting vertical bar (9) and a second limiting vertical bar (10) are fixedly mounted inside the drying box (2); A material placement structure (4) is arranged on the material holding base (3), and the material placement structure (4) comprises a circular plate (401), a circular frame (402) and a ventilation material net (403); A ventilation vertical plate (7) is fixedly mounted on the rear inner wall of the drying box (2); a gas transmission structure (8) is arranged on the ventilation vertical plate (7) and the material receiving base (3); the gas transmission structure (8) comprises a mounting pipe (81), an annular pad (82), an elastic hose (83) and a connecting pipe (84); A positioning structure (6) is arranged on the installation box body (5) and the first limiting vertical bar (9), and the positioning structure (6) is used to adjust the height of the material receiving base (3).

2. A heat pump drying device for uniform drying according to claim 1, characterized in that: The material receiving base (3) comprises a material receiving shell (301), a circular magnetic strip (302) and a circular rubber pad (303), and the left and right groups of mounting boxes (5) are respectively fixedly mounted on the two sides of the material receiving shell (301), and a circular groove and a circular cavity are provided on the top of the material receiving shell (301), the circular magnetic strip (302) is fixedly mounted on the inner wall of the circular groove, and the circular rubber pad (303) is fixedly mounted on the inner wall of the circular cavity, and a gas filling port is provided on the material receiving shell (301), the first limiting vertical strip (9) and the second limiting vertical strip (10) are both in two groups and are symmetrically distributed on the left and right, and a notch is provided on the top of the second limiting vertical strip (10), and a movable slide (11) is fixedly mounted on both sides of the material receiving shell (301), and the movable slide (11) is slidably mounted in the notch, and the front side of the first limiting vertical strip (9) is provided with more than two groups of positioning holes arranged vertically.

3. A heat pump drying device for uniform drying according to claim 2, characterized in that: The positioning structure (6) comprises a sliding block (61), a positioning column (62), a spring (63), a pulling rod (64) and a pulling ring (65); the sliding block (61) is slidably installed inside the installation box body (5); the positioning column (62) is fixedly installed on the rear side of the sliding block (61); a circular opening is opened on the rear side of the installation box body (5); one end of the positioning column (62) passes through the circular opening and is inserted into the positioning hole; the spring (63) is fixedly installed between the front side of the sliding block (61) and the inside of the installation box body (5); one end of the pulling rod (64) passes through the installation box body (5) and is fixedly connected to the sliding block (61); and the pulling ring (65) is fixedly installed on the outer wall of the pulling rod (64).

4. A heat pump drying device for uniform drying according to claim 3, characterized in that: A sealed box cover (27) is hingedly mounted on the front side of the drying box body (2), an opening and closing handle (28) is fixedly mounted on the front side of the sealed box cover (27), and an outer wall of the opening and closing handle (28) is sleeved with a heat-insulating rubber sleeve.

5. A heat pump drying device for uniform drying according to claim 4, characterized in that: The inner top and the inner bottom of the dust filter box (14) are fixedly installed with limit clips (16), and dust filters (17) are mounted on the two sets of limit clips (16). An air inlet (18) is provided on the right side of the dust filter box (14). An air intake pipe (19) is fixedly installed on the input end of the hot air blower (12), and the air intake pipe (19) is fixedly installed on the top of the dust filter box (14). A vent is provided on the top of the dust filter box (14), and the vent is connected to the air intake pipe (19). An air supply pipe (13) is fixedly installed on the output end of the hot air blower (12), and a hollow cavity is provided on the ventilation vertical plate (7). The air supply pipe (13) passes through the drying box body (2) and extends into the hollow cavity.

6. A heat pump drying device for uniform drying according to claim 5, characterized in that: A block (20) is fixedly mounted on the inner wall of the dust filter box (14); a sealing cover plate (15) is arranged on the rear side of the dust filter box (14); screws are arranged on the rear side of the sealing cover plate (15); the screws pass through the sealing cover plate (15) and are threadedly connected to the block (20); a sealing gasket is fixedly mounted on the front side of the sealing cover plate (15); the sealing gasket is in contact with the rear side of the dust filter box (14).

7. A heat pump drying device for uniform drying according to claim 6, characterized in that: The front side of the ventilation vertical plate (7) is provided with an air outlet, the air outlet is communicated with the hollow cavity, a sealing plug (22) is installed on the inner thread of the air outlet, a round block (21) is fixedly installed on the front side of the sealing plug (22), the outer wall of the round block (21) is provided with more than two groups of strip grooves arranged in an annular shape and at equal intervals, the rear side of the round block (21) is provided with an annular opening, the inner wall of the annular opening is fixedly provided with a rubber ring (23), and the rubber ring (23) is in contact with the front side of the ventilation vertical plate (7).

8. A heat pump drying device for uniform drying according to claim 7, characterized in that: The gas delivery structure (8) comprises a mounting tube (81), an annular pad (82), an elastic hose (83) and a connecting tube (84); the mounting tube (81) is threadedly mounted in the air outlet; the connecting tube (84) is fixedly mounted on the inner wall of the air filling port; the elastic hose (83) is fixedly mounted between the mounting tube (81) and the connecting tube (84); the annular pad (82) is fixedly mounted on the outer wall of the mounting tube (81); a circular opening is provided on the rear side of the annular pad (82) and a silicone ring (24) is fixedly mounted on the inner wall thereof; the silicone ring (24) is in contact with the front side of the ventilation vertical plate (7).

9. A heat pump drying device for uniform drying according to claim 8, characterized in that: The circular frame (402) is fixedly installed on the inner wall of the circular plate (401), the ventilation net (403) is fixedly installed inside the circular frame (402), the circular plate (401) and the circular magnetic strip (302) are attracted by magnetic force, and the circular plate (401) is in contact with the top of the circular rubber pad (303).

10. A heat pump drying device for uniform drying according to claim 9, characterized in that: Two groups of U-shaped handles (26) distributed front and back are fixedly installed on the top of the circular plate (401), and a heat insulation sheath is provided on the U-shaped handles (26). Four groups of anti-wear pads (25) distributed in a rectangular shape are fixedly installed on the bottom of the ventilation net (403).

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