3D printing resin distilling, filtering and air-drying device

Abstract

The utility model provides a 3D printing resin distillation filtration air-drying device, including: box body and air-drying box, the upper surface of box body is fixedly connected with main motor and main air pump respectively, main motor is connected with transmission shaft through coupling, main air pump is communicated with distillation box inner cavity through air delivery pipe, and the upper end of box body inner cavity is fixedly connected with distillation box, and the air-drying box is fixedly connected with the air-drying box. The side surface of the inner cavity of the distillation box is fixedly connected with a heating assembly, the top of the inner cavity of the air-drying box is symmetrically connected with air injection plates, the upper surface of the air-drying box is fixedly connected with a splitter plate, the splitter plate is communicated with the air injection plates through breather pipes, the upper surface of the air-drying box is symmetrically connected with exhaust assemblies, and the lower ends of the exhaust assemblies are communicated with the inner cavity of the air-drying box. Through the cooperation of the distillation box, the filter box and the air drying box, the device can carry out corresponding continuous processing treatment on resin, so that the processing efficiency of the resin is improved, the probability that the resin is polluted by external impurities can be reduced, and the quality of the processed resin is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to 3D printing resin processing technical field, concretely relates to a kind of 3D printing resin distillation filtering air drying device. BACKGROUND

[0002] The raw material of 3D printing is commonly used photosensitive resin, that is, uv resin, which is composed of polymer monomer and prepolymer, and has light (ultraviolet) initiator or photosensitizer added, which causes polymerization under the irradiation of ultraviolet light of a certain wavelength, completes curing, and is generally in liquid state, used to make materials with high strength, high temperature resistance, waterproofness and the like;In the process of resin processing, it needs to be processed to ensure the quality of the resin, but the existing processing device can only filter the resin, so that the distillation and air drying of the resin need to be carried out in different equipment, increasing the overall floor area of the resin processing equipment, and the time consumed in the transfer process reduces the processing efficiency of the resin, and the resin waiting for air drying after filtering is easily re-entered into the resin during the transfer process, thereby reducing the quality of the resin. SUMMARY

[0003] To overcome the defects of the prior art, a 3D printing resin distillation filtering air drying device is provided to solve the problems raised in the background.

[0004] To achieve the above-mentioned purpose, a 3D printing resin distillation filtering air drying device is provided, which comprises a box body and an air drying box, the upper surface of the box body is fixedly connected with a main motor and a main air pump, the main motor is connected with a transmission shaft through a coupling, the main air pump is communicated with the inner cavity of a distillation box through a gas conveying pipe, the upper end of the inner cavity of the box body is fixedly connected with the distillation box, the side of the inner cavity of the distillation box is fixedly connected with a heating assembly, the top of the inner cavity of the distillation box is movably connected with the transmission shaft through a sealing bearing, the surface of the transmission shaft is fixedly connected with a stirring plate, the lower surface of the distillation box is connected with a filtering box through a transition pipe, the filtering box is fixedly connected in the middle of the inner cavity of the box body, the lower end of the inner cavity of the filtering box is fixedly connected with a filtering assembly, the lower end of the outer side of the box body is fixedly connected with the air drying box, the bottom of the inner cavities of the box body and the air drying box is slidably connected with a collecting box, the top of the inner cavity of the air drying box is symmetrically connected with a jet plate, the upper surface of the air drying box is fixedly connected with a shunt plate, the shunt plate is communicated with the jet plate through an air pipe, the upper surface of the air drying box is symmetrically connected with an exhaust assembly, the lower end of the exhaust assembly is communicated with the inner cavity of the air drying box, the upper surface of the air drying box is fixedly connected with a secondary air pump and a drying assembly respectively, and the secondary air pump is communicated with the shunt plate and the drying assembly through a gas conveying pipe.

[0005] Preferably, the distillation box has a square structure as a whole, the lower surface of the distillation box has a prism structure, and the heating assembly fixedly connected in the distillation box has a mouth-shaped structure as a whole, and the deflector fixedly connected at the top of the inner cavity of the distillation box has an arc surface structure.

[0006] Preferably, the filter box has an overall square structure, the cross-section of the filter box is a U-shaped structure, and the fitting grooves are symmetrically opened on both sides of the lower end of the inner cavity of the filter box, and the fitting grooves are long strip structures. At the same time, the end face of the fixing plate is a convex structure, and the protruding part of the fixing plate is fixedly connected to the fitting groove by bolts, and the upper surface of the fixing plate is fixedly connected to the filter assembly by a snap.

[0007] Preferably, the filter assembly consists of a mounting frame, a filter screen and filter paper, and the two sets of mounting frames are fixedly connected by fixing rods distributed at equal intervals, and both sets of mounting frames are in a U-shaped structure, while the fixing rods are in a cylindrical structure. At the same time, the filter screen is fixedly connected in the mounting frame at the upper end of the fixing rod, and the filter paper is fixedly connected in the mounting frame at the lower end of the fixing rod.

[0008] Preferably, the air drying box has a square cylindrical structure, a secondary box door is hinged at one end of the air drying box away from the box body, and three groups of jet plates are fixedly connected at equal intervals on the top of the inner cavity of the air drying box. The jet plates have a rectangular structure, and multiple groups of jet holes are evenly opened on the lower surface of the jet plates. At the same time, the diversion plate connected to the jet plates has a rectangular structure.

[0009] Preferably, multiple sets of exhaust components are fixedly connected in parallel and at equal intervals on the upper surface of the air drying box. The exhaust components consist of an exhaust pipe and a sealing block. The exhaust pipe is a cylindrical structure, and the axial cross-section of the exhaust pipe is a U-shaped structure. Exhaust holes are evenly opened at the upper end of the exhaust pipe. At the same time, the sealing block is a cylindrical structure, and the upper surface of the sealing block is fixedly connected to the lower end of the spring, and the upper end of the spring is fixedly connected to the top of the exhaust pipe.

[0010] Preferably, a through-hole is provided on the side of the box body corresponding to the position of the air-drying box, a buffer groove is provided at the bottom of the through-hole, and the bottom of the buffer groove is fixedly connected to the electric rod, and the telescopic rod of the electric rod is fixedly connected to the limit plate, and the limit plate is slidably connected in the buffer groove, and at the same time, the adsorption plate, drying net and dustproof net are fixedly connected in the drying assembly fixedly connected to the upper surface of the air-drying box.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: through the cooperation of the distillation box, heating assembly, main motor, transmission shaft, stirring plate and main air pump, the device can perform corresponding distillation treatment on the resin, and then separate the solvent or other volatile components in the resin, thereby improving the purity of the resin; and through the cooperation of the main air pump, filter box and filter assembly, the device can perform double filtration treatment on impurities in the resin, remove solid particles, sediment or other insoluble impurities in the resin, and improve the quality of 3D printing; at the same time, through the cooperation of the air drying box, jet plate, diverter plate, auxiliary air pump and drying assembly, the device can perform corresponding air drying treatment on the filtered resin in a relatively sealed environment, reducing the chance of the resin being re-contaminated with impurities, and ensuring the quality of the resin after processing by the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is the front view schematic drawing of the embodiment of the utility model.

[0013] Figure 2 It is the top view schematic drawing of the embodiment of the utility model.

[0014] Figure 3 It is the side view schematic drawing of the air drying box part of the embodiment of the utility model.

[0015] Figure 4 It is the A place enlarged schematic drawing of the embodiment of the utility model. Figure 1

[0016] Figure 5 It is the filter assembly structure schematic drawing of the embodiment of the utility model.

[0017] In the drawing: 1, box body;2, collection box;3, fixed plate;4, filter assembly;5, filter box;6, transition pipe;7, distillation box;8, stirring plate;9, heating assembly;10, transmission shaft;11, guide plate;12, main motor;13, main air pump;14, auxiliary air pump;15, exhaust assembly;16, shunt plate;17, air jet plate;18, electric rod;19, limiting plate;20, air drying box;21, drying assembly;22, filter screen;23, fixed rod;24, mounting frame;25, filter paper. Specific implementation

[0018] Refer to Figures 1 to 5 As shown in the utility model provides a kind of 3D printing resin distillation filter air drying device, it includes: box body 1 and air drying box 20, the upper surface of the box body 1 is respectively fixedly connected with main motor 12 and main air pump 13, and main motor 12 is connected with transmission shaft 10 by coupling, and main air pump 13 is communicated with the inner cavity of distillation box 7 by gas conveying pipe, and the upper end of the inner cavity of box body 1 is fixedly connected with distillation box 7, the inner cavity side of distillation box 7 is fixedly connected with heating assembly 9, and the top of the inner cavity of distillation box 7 is movably connected with transmission shaft 10 by sealing bearing, and the surface of transmission shaft 10 is fixedly connected with stirring plate 8, while the lower surface of distillation box 7 is connected with filter box 5 by transition pipe 6, and filter box 5 is fixedly connected in the middle of the inner cavity of box body 1, and the lower end of the inner cavity of filter box 5 is fixedly connected with filter assembly 4, and the lower end of the outer side of box body 1 is fixedly connected with air drying box 20, and the bottom of the inner cavity of box body 1 and air drying box 20 is slidably connected with collection box 2, the top of the inner cavity of air drying box 20 is symmetrically connected with air jet plate 17, and the upper surface of air drying box 20 is fixedly connected with shunt plate 16, and shunt plate 16 is communicated with air jet plate 17 by air pipe, and the upper surface of air drying box 20 is symmetrically connected with exhaust assembly 15, the inner cavity of air drying box 20 is communicated with exhaust assembly 15, while the upper surface of air drying box 20 is respectively fixedly connected with auxiliary air pump 14 and drying assembly 21, and auxiliary air pump 14 is communicated with shunt plate 16 and drying assembly 21 by gas conveying pipe.​

[0019] In the embodiment, the photosensitive resin required for 3D printing is poured into the distillation box 7 through the feed port on the upper surface of the box 1, the switch of the heating assembly 9 is turned on, the heating assembly 9 can perform corresponding heating treatment on the photosensitive resin in the distillation box 7, and the temperature sensor built in the heating assembly 9 can effectively avoid that the heating temperature of the heating assembly 9 is too high, the switches of the main motor 12 and the main air pump 13 are started, the output shaft of the main motor 12 drives the transmission shaft 10 to rotate through the shaft coupling, and the transmission shaft 10 stirs the photosensitive resin through the stirring plate 8, which can improve the uniformity of the heating of the photosensitive resin and the separation effect of the solvent or other volatile components in the photosensitive resin, the main air pump 13 injects the airflow into one end of the distillation box 7 through the gas conveying pipe, the volatile components are carried out of the discharge port in the process of flowing on the photosensitive resin liquid surface, and the distillation effect of the photosensitive resin is improved, when the photosensitive resin needs to be filtered, the feed port is closed first, and the electromagnetic valve installed on the transition pipe 6 is turned on, so that the photosensitive resin flows into the filter box 5 through the transition pipe 6, the photosensitive resin successively passes through the filter screen 22 and the filter paper 25 in the filter box 5 and falls into the collection box 2, thereby effectively removing the solid particles, precipitates or other insoluble impurities in the photosensitive resin, improving the quality of subsequent 3D printing, and the continuous injection of the airflow into the distillation box 7 by the main air pump 13 can assist in enhancing the efficiency of the photosensitive resin passing through the filter assembly 4, when the photosensitive resin in the distillation box 7 has passed through the filter assembly 4, the electromagnetic valve of the transition pipe 6 is closed first, the feed port is opened, a new batch of photosensitive resin is poured into the distillation box 7, at the same time, the worker starts the switch of the electric rod 18, the electric rod 18 drives the limiting plate 19 to move downward to the buffer groove, the limiting plate 19 is released from the limitation of the collection box 2, the main door of the box 1 is opened, the collection box 2 is pushed into the air drying box 20, and the limiting plate 19 is controlled to move upward by the electric rod 18, then a new collection box 2 is placed in the box 1, so as to improve the processing efficiency of the device on the resin, then the distillation box 7 processes the newly poured photosensitive resin, and the worker starts the switch of the auxiliary air pump 14, the auxiliary air pump 14 injects the airflow treated by drying and dust removal into the air drying box 20 through the flow distribution plate 16 and the air jet plate 17, so that the airflow can directly blow the surface of the photosensitive resin, and the excess airflow is discharged through the exhaust assembly 15, thereby ensuring the air drying effect of the photosensitive resin, finally the auxiliary door of the air drying box 20 is opened, and the finished resin can be taken out.

[0020] As a preferable embodiment, the distillation box 7 is in a square structure, the lower surface of the distillation box 7 is in a prism structure, the heating assembly 9 fixedly connected in the distillation box 7 is in a mouth-shaped structure, and the flow guide plate 11 fixedly connected at the top of the inner cavity of the distillation box 7 is in an arc surface structure.

[0021] In the embodiment, the photosensitive resin required for 3D printing is poured into the distillation box 7 through the feed port on the upper surface of the box 1, the switch of the heating assembly 9 is turned on, the heating assembly 9 can perform corresponding heating treatment on the photosensitive resin in the distillation box 7, and the temperature sensor built in the heating assembly 9 can effectively avoid that the heating temperature of the heating assembly 9 is too high, the switches of the main motor 12 and the main air pump 13 are started, the output shaft of the main motor 12 drives the transmission shaft 10 to rotate through the shaft coupling, and the transmission shaft 10 stirs the photosensitive resin through the stirring plate 8, which can improve the uniformity of the heating of the photosensitive resin and the separation effect of the solvent or other volatile components in the photosensitive resin, the main air pump 13 injects the airflow into one end of the distillation box 7 through the gas conveying pipe, the volatile components are carried out of the discharge port in the process of flowing on the photosensitive resin liquid surface, and the distillation effect of the photosensitive resin is improved, when the photosensitive resin needs to be filtered, the feed port is closed first, and the electromagnetic valve installed on the transition pipe 6 is turned on, so that the photosensitive resin flows into the filter box 5 through the transition pipe 6, the photosensitive resin successively passes through the filter screen 22 and the filter paper 25 in the filter box 5 and falls into the collection box 2, thereby effectively removing the solid particles, precipitates or other insoluble impurities in the photosensitive resin, improving the quality of subsequent 3D printing, and the continuous injection of the airflow into the distillation box 7 by the main air pump 13 can assist in enhancing the efficiency of the photosensitive resin passing through the filter assembly 4, when the photosensitive resin in the distillation box 7 has passed through the filter assembly 4, the electromagnetic valve of the transition pipe 6 is closed first, the feed port is opened, a new batch of photosensitive resin is poured into the distillation box 7, at the same time, the worker starts the switch of the electric rod 18, the electric rod 18 drives the limiting plate 19 to move downward to the buffer groove, the limiting plate 19 is released from the limitation of the collection box 2, the main door of the box 1 is opened, the collection box 2 is pushed into the air drying box 20, and the limiting plate 19 is controlled to move upward by the electric rod 18, then a new collection box 2 is placed in the box 1, so as to improve the processing efficiency of the device on the resin, then the distillation box 7 processes the newly poured photosensitive resin, and the worker starts the switch of the auxiliary air pump 14, the auxiliary air pump 14 injects the airflow treated by drying and dust removal into the air drying box 20 through the flow distribution plate 16 and the air jet plate 17, so that the airflow can directly blow the surface of the photosensitive resin, and the excess airflow is discharged through the exhaust assembly 15, thereby ensuring the air drying effect of the photosensitive resin, finally the auxiliary door of the air drying box 20 is opened, and the finished resin can be taken out. Figure 1 andFigure 2 The structure of the lower end of the distillation box 7 can improve the flow effect of the resin and reduce the probability of resin residue. Meanwhile, the guide plate 11 can assist in enhancing the flow rate of the airflow when the airflow flows on the resin liquid surface and assist in enhancing the distillation effect of the distillation box 7 on the resin.

[0022] As a preferred embodiment, the filter box 5 has a square structure as a whole, the cross section of the filter box 5 has a shape of a Chinese character, and two symmetrical embedding grooves are formed at the lower end of the inner cavity of the filter box 5. The end surface of the fixed plate 3 has a convex structure, the protruding part of the fixed plate 3 is fixedly connected in the embedding groove through a bolt, and the upper surface of the fixed plate 3 is fixedly connected with the filter assembly 4 through a buckle.

[0023] In this embodiment, as shown in Figure 1 , Figure 4 and Figure 5 , the fixed plate 3 is arranged so that the filter assembly 4 can be conveniently assembled and disassembled in the filter box 5, thereby effectively improving the efficiency of workers when disassembling the filter assembly 4 for cleaning.

[0024] As a preferred embodiment, the filter assembly 4 is composed of two installation frames 24, a filter screen 22 and filter paper 25. The two installation frames 24 are fixedly connected through fixed rods 23 distributed at equal intervals, and the two installation frames 24 have a shape of a Chinese character. The fixed rod 23 has a cylindrical structure, the filter screen 22 is fixedly connected in the installation frame 24 at the upper end of the fixed rod 23, and the filter paper 25 is fixedly connected in the installation frame 24 at the lower end of the fixed rod 23.

[0025] In this embodiment, as shown in Figure 1 and Figure 5 , the filter hole diameter of the filter screen 22 is larger than that of the filter paper 25, thereby assisting in enhancing the filtering effect of the filter assembly 4 on the resin, improving the quality of 3D printing, and reducing the probability of blockage.

[0026] As a preferred embodiment, the air drying box 20 has a square cylindrical structure, a vice box door is hinged at one end of the air drying box 20 away from the box body 1, three groups of air injection plates 17 are fixedly connected at equal intervals at the top of the inner cavity of the air drying box 20, the air injection plates 17 have a rectangular structure, and the air injection holes are uniformly formed on the lower surface of the air injection plates 17. Meanwhile, the shunt plate 16 connected with the air injection plates 17 has a rectangular structure.

[0027] In this embodiment, as shown in Figure 1 , Figure 2 and Figure 3 , the air injection holes uniformly formed on the air injection plates 17 enable the airflow to impact the liquid surface of the resin at a faster flow rate, thereby assisting in improving the efficiency of drying the resin.

[0028] As a preferred implementation, the upper surface of the air drying box 20 is fixedly connected with a plurality of groups of exhaust assemblies 15 in parallel and at equal intervals, the exhaust assembly 15 is composed of an exhaust cylinder and a sealing block, the exhaust cylinder has a cylindrical structure, the axial section of the exhaust cylinder has a shape of a Chinese character, the upper end of the exhaust cylinder is uniformly provided with an exhaust hole, the sealing block has a cylindrical structure, the upper surface of the sealing block is fixedly connected with the lower end of a spring, and the upper end of the spring is fixedly connected to the top of the exhaust cylinder.

[0029] In the embodiment, the exhaust assembly 15 is arranged, which can effectively avoid the problem of excessive air pressure in the device, and ensure the safety of the device during use. Figure 1 and Figure 4 The arrangement of the exhaust assembly 15 can effectively avoid the problem of excessive air pressure in the device, and ensure the safety of the device during use. The arrangement of the exhaust cylinder, the sealing block and the spring enables the sealing block to normally close the exhaust hole of the exhaust cylinder, avoids the inflow of external airflow into the air drying box 20, and enables the sealing block to move upward to open the exhaust hole when the air pressure in the air drying box 20 is high, so that the airflow in the air drying box 20 can be smoothly discharged.

[0030] As a preferred implementation, the side surface of the box body 1 is provided with a through hole corresponding to the position of the air drying box 20, a buffer groove is arranged at the bottom of the through hole, an electric rod 18 is fixedly connected to the bottom of the buffer groove, an extension rod of the electric rod 18 is fixedly connected with a limiting plate 19, the limiting plate 19 is slidingly connected in the buffer groove, and a drying assembly 21 fixedly connected to the upper surface of the air drying box 20 is respectively fixedly connected with an adsorption plate, a drying net and a dustproof net.

[0031] In the embodiment, the electric rod 18 and the limiting plate 19 are arranged, so that the collection box 2 can be positioned smoothly below the filter box 5, and the collection effect of the collection box 2 on the resin is ensured. Figure 1 、 Figure 2 and Figure 3 The adsorption plate is made of activated carbon material, and the drying net is woven from cotton thread, so that the drying and dust removal effects of the drying assembly 21 on external airflow can be effectively improved, and the quality of the dried resin is ensured.

[0032] The 3D printing resin distillation, filtration and air drying device can continuously process the resin, improve the processing efficiency of the resin, reduce the probability of pollution of the resin by external impurities, improve the quality of the processed resin, and the heating assembly 9 is a common brand and model on the market that can set the heating temperature.

Claims

1. A 3D printing resin distillation filtration air-drying apparatus comprising: The utility model provides a box (1) and air -dry case (20), it is characterized by: box (1) upper surface fixed connection main motor (12) and main air pump (13) respectively, and main motor (12) passes through the shaft coupling and connects transmission shaft (10), and main air pump (13) passes through the gas pipe and communicates distillation box (7) inner chamber, and the upper end fixed connection of box (1) inner chamber is distillation box (7), and the inner chamber side fixed connection of distillation box (7) is heated assembly (9), and the top of distillation box (7) inner chamber is movably connected transmission shaft (10) through sealing bearing, and the surface fixed connection of transmission shaft (10) is stirring board (8), simultaneously the lower surface of distillation box (7) is connected through filter box (5) through transition pipe (6), and filter box (5) is fixedly connected in the middle of box (1) inner chamber, and the lower end fixed connection of filter box (5) inner chamber is filter assembly (4), and the lower end fixed connection of box (1) outside is air -dry case (20), and the bottom of box (1) and air -dry case (20) inner chamber is slidably connected collection box (2), the top of air -dry case (20) inner chamber is symmetrically connected air -jet board (17), and the upper surface fixed connection of air -dry case (20) is shunt plate (16), and shunt plate (16) is communicated air -jet board (17) through the air pipe, and the upper surface symmetrically connected of air -dry case (20) is exhaust component (15), and the lower end of exhaust component (15) communicates the inner chamber of air -dry case (20), and the upper surface fixed connection of air -dry case (20) is respectively vice air pump (14) and drying assembly (21), and vice air pump (14) is communicated shunt plate (16) and drying assembly (21) through the gas pipe respectively.

2. A 3D printing resin distillation filtration air-drying device according to claim 1, characterized in that, The distillation box (7) is in overall square structure, the lower surface of the distillation box (7) is in prismatic structure, and the heating assembly (9) fixedly connected in the distillation box (7) is in overall mouth-shaped structure, and the deflector (11) fixedly connected on the top of the inner chamber of the distillation box (7) is in arc surface structure.

3. A 3D printing resin distillation filtration air-drying device according to claim 1, characterized in that, The filter box (5) is in overall square structure, the cross section of the filter box (5) is in structure, and the two sides of the lower end of the inner chamber of the filter box (5) are symmetrically provided with the embedded grooves in long strip structure, and the end surface of the fixed plate (3) is in convex letter structure, the convex part of the fixed plate (3) is fixedly connected in the embedded groove through bolts, and the filter assembly (4) is fixedly connected on the upper surface of the fixed plate (3) through buckles.

4. The 3D printing resin distillation filtration air-drying device according to claim 1, wherein, The filter assembly (4) is composed of mounting frames (24), filter screens (22) and filter papers (25), two groups of mounting frames (24) are fixedly connected through fixed rods (23) distributed at equal intervals, the two groups of mounting frames (24) are in mouth-shaped structure, the fixed rods (23) are in cylindrical structure, the mounting frame (24) at the upper end of the fixed rod (23) is fixedly connected with the filter screen (22), and the mounting frame (24) at the lower end of the fixed rod (23) is fixedly connected with the filter paper (25).

5. The 3D printing resin distillation filtration air-drying device according to claim 1, wherein, The air-drying box (20) is a square tube structure, and a vice box door is hinged to one end of the air-drying box (20) away from the box body (1), and three groups of air injection plates (17) are fixedly connected to the top of the inner cavity of the air-drying box (20) at equal intervals, the air injection plates (17) are rectangular structures, and a plurality of air injection holes are uniformly arranged on the lower surfaces of the air injection plates (17), and the air injection plates (17) are communicated with a flow distribution plate (16) which is a rectangular structure.

6. A 3D printing resin distillation filtration air-drying device according to claim 1, characterized in that, A plurality of air exhaust assemblies (15) are fixedly connected to the upper surface of the air-drying box (20) at equal intervals in parallel, the air exhaust assembly (15) is composed of an air exhaust cylinder and a sealing block, the air exhaust cylinder is a cylindrical structure, the axial section of the air exhaust cylinder is a shape structure, a plurality of air exhaust holes are uniformly arranged on the upper end of the air exhaust cylinder, the sealing block is a cylindrical structure, the lower end of a spring is fixedly connected to the upper surface of the sealing block, and the upper end of the spring is fixedly connected to the top of the air exhaust cylinder.

7. The 3D printing resin distillation filtration air-drying device according to claim 1, wherein, The box body (1) is provided with a through hole corresponding to the position of the air-drying box (20) on the side surface, a buffer groove is arranged at the bottom of the through hole, an electric rod (18) is fixedly connected to the bottom of the buffer groove, the telescopic rod of the electric rod (18) is fixedly connected with a limiting plate (19), the limiting plate (19) is slidingly connected in the buffer groove, and a drying assembly (21) is fixedly connected to the upper surface of the air-drying box (20), and the drying assembly (21) is respectively fixedly connected with an adsorption plate, a drying net and a dustproof net.

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