Nylon 3D printing powder drying and moisture-proof storage system

By introducing a humidity sensor and a heating and drying system into the nylon 3D printing powder storage system, the problem of real-time monitoring and drying in existing technologies is solved, ensuring the dryness of the powder and preventing powder scattering and pipe blockage.

CN223657629UActive Publication Date: 2025-12-12JIANGSU YIREN INTELLIGENT MFG TECH CO LTD
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Patent Information

Application Number
CN202520044931.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-12-12
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

In existing technologies, nylon 3D printing powder storage systems cannot monitor humidity in real time and effectively dry it, resulting in the powder not being able to remain dry during storage.

Method used

A humidity sensor is used to monitor the powder humidity in real time, and the powder is dried through a heating hood and a fan system. The powder is also turned over by a stirring rod and a scraper to ensure the drying effect.

Benefits of technology

It enables real-time humidity monitoring and drying of nylon 3D printing powder, ensuring the powder remains dry during storage and preventing powder scattering and pipe blockage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a nylon 3D printing powder drying and damp-proof storage system, and relates to the technical field of drying and damp-proof storage systems, the nylon 3D printing powder drying and damp-proof storage system comprises a storage box and a box cover, a heating cover is arranged on the top surface of the box cover, an air box is arranged on the top surface of the heating cover in a penetrating mode, and a fan with an air outlet facing the heating cover is arranged in the air box. A feeding port is fixed to one end of the upper portion of the storage box in a penetrating mode, a servo motor is arranged at the other end of the storage box, a rotating rod is rotatably connected to the interior of the storage box, and a plurality of stirring rods are fixed to the outer surface of the rotating rod at equal intervals. And meanwhile, the powder in the box can be dried in time through a drying structure on the top, the problem that according to an existing nylon 3D printing powder drying and damp-proof storage system, the humidity in the tank body is inconvenient to detect, and the powder in the tank body is inconvenient to dry is solved, and it is guaranteed that the dry state can be effectively guaranteed when the powder is stored.
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Description

TECHNICAL FIELD

[0001] The utility model relates to dry and moistureproof storage system technical field especially relates to a kind of nylon 3D printing powder dry and moistureproof storage system. BACKGROUND

[0002] Nylon 3D printing is a kind of process using nylon material to carry out 3D printing, and the nylon 3D printing usually adopts powder bed melting technology, such as selective laser sintering or multi-jet fusion process, etc. Such process uses nylon powder as initial material, and the powder is laid on the printing platform, and the powder is melted and sintered into the final part layer by layer through laser or heat source.

[0003] In order to ensure the state of the nylon powder during printing, the powder used for nylon 3D printing needs to be stored in a moisture-proof manner. However, in the prior art, it is inconvenient to detect the humidity inside the nylon powder storage tank and to dry the powder inside the tank body, which cannot stably ensure the dry state of the powder during storage. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem of the prior art that the nylon 3D printing powder dry and moistureproof storage system is inconvenient to detect the humidity inside the tank body and to dry the powder inside the tank body, and proposes a kind of nylon 3D printing powder dry and moistureproof storage system.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: including storage box and box cover, the box cover top surface is provided with heating cover, the heating cover top surface is provided with wind box, the wind box is provided with fan inside, the fan is provided with air outlet towards heating cover, the storage box upper part one end is fixed with feeding port, the other end of the storage box is provided with servo motor, the storage box is rotatably connected with rotating rod inside, the rotating rod outer surface is equidistantly fixed with a plurality of stirring rods, the servo motor output rod rotation penetrates the storage box and is fixed on the rotating rod, one of the stirring rods is provided with humidity sensor on the end side away from the rotating rod, the storage box bottom is fixed with discharge pipe, the feeding port and discharge pipe are all provided with sealing cover, the heating cover is provided with heating pipe inside.

[0006] Preferably, the bottom of the storage box is semicircular, the heating pipe is in the shape of a snake, and the dust filter screen is fixed in the air inlet of the top of the wind box.

[0007] Preferably, the heating cover bottom is fixed with connecting pipe, the connecting pipe bottom is provided with electric valve, the electric valve output end is fixed with air guide pipe, and the air guide pipe two ends bottom surface is equidistantly fixed with a plurality of air outlets.

[0008] Preferably, the feeding port is arranged in a bent shape with the bottom inclined towards the storage tank side, the feeding port is located above the humidity sensor, the storage tank side is provided with an exhaust port, and a powder filter screen is fixed in the exhaust port.

[0009] Preferably, a scraper is fixed to the outer surface of the rotating rod in the humidity sensor gap, and the end of the scraper away from the rotating rod is in sliding fit with the bottom of the storage tank.

[0010] Preferably, a sealing plug is fixed in the sealing cover at the bottom of the discharge pipe, the sealing plug extends into the storage tank, and the end of the sealing plug away from the sealing cover is arranged in an arc shape matched with the inner bottom surface of the storage tank.

[0011] Preferably, the air guide pipe is arranged in an H shape transversely matched with the inner part of the tank cover, and a powder filter screen is fixed in the bottom of each air outlet.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that:

[0013] 1. In the utility model, a plurality of humidity sensors are arranged to monitor the powder humidity in real time, the drying structure at the top can dry the powder in the tank in time, the problem that the existing nylon 3D printing powder drying and moisture-proof storage system cannot detect the humidity in the tank body and dry the powder in the tank body is solved, and the dry state of the powder during storage is effectively ensured.

[0014] 2. In the utility model, when the humidity of the internal powder is detected to be high, the internal powder can be dried in time through the stirring and air drying mode, the powder in the tank body is prevented from being scattered or causing pipe blockage during air drying, the scraper can completely turn over the powder at the bottom, and the drying effect is ensured. DETAILED DESCRIPTION

[0015] Figure 1 A structure schematic view of the nylon 3D printing powder drying and moisture-proof storage system is provided for the utility model;

[0016] Figure 2 A structure bottom view schematic view of the nylon 3D printing powder drying and moisture-proof storage system is provided for the utility model;

[0017] Figure 3 A stirring rod structure schematic view of the nylon 3D printing powder drying and moisture-proof storage system is provided for the utility model;

[0018] Figure 4 A heating pipe structure schematic view of the nylon 3D printing powder drying and moisture-proof storage system is provided for the utility model;

[0019] Figure 5 The utility model provides a kind of nylon 3D printing powder drying and moisture-proof storage system's air guide pipe structure schematic view.

[0020] Legend: 1, storage box;2, box cover;3, heating cover;4, air bellow;5, feed inlet;6, servo motor;7, rotating rod;8, stirring rod;9, humidity sensor;10, discharge pipe;11, sealing cover;12, sealing plug;13, heating pipe;14, air guide pipe;15, air outlet;16, connecting pipe;17, electric valve;18, scraper;19, exhaust port. DETAILED DESCRIPTION

[0021] To enable more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below with the drawings and examples.It needs to be explained that the embodiment of the present application and the features in the embodiment can be combined mutually without conflict.

[0022] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific embodiment disclosed in the following disclosure. EMBODIMENT

[0023] As Figures 1-5 shown, the utility model provides a kind of nylon 3D printing powder drying and moisture-proof storage system, including storage box 1 and box cover 2, box cover 2 top surface is provided with heating cover 3, heating cover 3 top surface is provided with air bellow 4, air bellow 4 is provided with the fan with air outlet towards heating cover 3 inside, storage box 1 upper portion one end is fixed with feed inlet 5 through, feed inlet 5 is provided as the bottom is inclined to the storage box 1 side with the shape of bending, storage box 1 other end is provided with servo motor 6, storage box 1 inside rotationally connected with rotating rod 7, rotating rod 7 outer surface equidistantly is fixed with a plurality of stirring rods 8, servo motor 6 output rod rotationally penetrates storage box 1 and is fixed on rotating rod 7, one column of stirring rods 8 is provided with humidity sensor 9 at the end side away from rotating rod 7, the powder humidity in storage box 1 is detected by humidity sensor 9, feed inlet 5 is located above humidity sensor 9, storage box 1 bottom is fixed with discharge pipe 10 through, sealing cover 11 is threadedly provided on feed inlet 5 and discharge pipe 10, sealing plug 12 is fixed in the sealing cover 11 inside of discharge pipe 10 bottom, sealing plug 12 extends to the inside of storage box 1, sealing plug 12 is provided as the arc shape matched with the inside bottom surface of storage box 1 at the end away from sealing cover 11, heating pipe 13 is provided in heating cover 3, exhaust port 19 is provided on the side of storage box 1, and powder filter screen is fixed in exhaust port 19.

[0024] The specific settings and functions of this embodiment are described below: The bottom of the storage box 1 is set to be semi-circular, and the heating tube 13 is set to be serpentine, so that when the airflow passes through the heating tube 13, it has sufficient contact area, thereby ensuring the heating effect of the heating tube 13 on the airflow. A dust filter is fixed inside the air inlet at the top of the air box 4 to prevent external dust from being brought into the air duct 14 when it is dry, thereby preventing the air duct 14 from being blocked. Example

[0025] like Figures 1-5 As shown, a connecting pipe 16 is fixed through the bottom of the heating cover 3. An electric valve 17 is installed at the bottom of the connecting pipe 16. An air guide pipe 14 is fixed through the output end of the electric valve 17. The air guide pipe 14 is set as an H-shaped horizontally placed pipe that fits with the inside of the cover 2. Several air outlets 15 are fixed at equal intervals on the bottom surfaces of both ends of the air guide pipe 14. A powder filter screen is fixed inside the bottom of each air outlet 15 to prevent powder from entering the air outlet 15. A scraper 18 is fixed on the outer surface of the rotating rod 7 in the gap of the humidity sensor 9. The end of the scraper 18 away from the rotating rod 7 slides against the bottom of the storage box 1.

[0026] The overall effect of this embodiment is that, during drying, the heated airflow is poured into the storage box 1 through the air outlet 15 to air dry the powder being stirred in the storage box 1, thereby ensuring the dryness of the powder inside the storage box 1 in real time.

[0027] The usage and working principle of this device are as follows: When nylon powder needs to be stored, turn the sealing cap 11 on the feed port 5 to open the feed port 5, pour the powder into the storage box 1, and then turn the discharge pipe 10 to seal the feed port 5. At this time, the humidity sensor 9 can detect the humidity of the powder inside in real time, and the servo motor 6 runs. The humidity sensor 9 is driven to rotate by the rotating rod 7, and the detection position can be adjusted. When the humidity of the powder inside is detected to be high, the heating tube 13 inside the heating cover 3 and the fan inside the air box 4 are turned on to heat the external airflow and pour it into the connecting pipe 16. Then, the electric valve 17 is opened, and the airflow is discharged through the air outlet 15 under the guidance of the air guide pipe 14. At the same time, the servo motor 6 runs to drive the rotating rod 7 to rotate. The rotation of the rotating rod 7 drives the stirring rod 8 to stir the powder inside the storage box 1, and the scraper 18 rotates to turn the powder at the bottom.

[0028] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A nylon 3D printing powder drying and moisture-proof storage system, comprising a storage box (1) and a box lid (2), characterized in that: A heating cover (3) is provided on the top surface of the box cover (2). A wind box (4) is provided through the top surface of the heating cover (3). A fan with an air outlet facing the heating cover (3) is provided inside the wind box (4). A feed inlet (5) is fixed through one end of the upper part of the storage box (1). A servo motor (6) is provided at the other end of the storage box (1). A rotating rod (7) is rotatably connected inside the storage box (1). Several stirring rods (8) are fixed at equal intervals on the outer surface of the rotating rod (7). The output rod of the servo motor (6) rotates through the storage box (1) and is fixed on the rotating rod (7). A humidity sensor (9) is provided on the side of the end of one row of stirring rods (8) away from the rotating rod (7). A discharge pipe (10) is fixed through the bottom of the storage box (1). A sealing cap (11) is threaded on both the feed inlet (5) and the discharge pipe (10). A heating tube (13) is provided inside the heating cover (3).

2. The nylon 3D printing powder drying and moisture-proof storage system according to claim 1, characterized in that: The bottom of the storage box (1) is set to be semi-circular, the heating tube (13) is set to be serpentine, and a dust filter is fixed inside the air inlet at the top of the air box (4).

3. The nylon 3D printing powder drying and moisture-proof storage system according to claim 1, characterized in that: The bottom of the heating cover (3) is fixed with a connecting pipe (16), and an electric valve (17) is provided at the bottom of the connecting pipe (16). The output end of the electric valve (17) is fixed with a gas guide pipe (14), and several gas outlets (15) are fixed at equal intervals on the bottom surface of both ends of the gas guide pipe (14).

4. The nylon 3D printing powder drying and moisture-proof storage system according to claim 1, characterized in that: The feed inlet (5) is configured as a bent shape with the bottom inclined towards the storage box (1). The feed inlet (5) is located above the humidity sensor (9). The storage box (1) has an exhaust port (19) on its side. A powder filter screen is fixed inside the exhaust port (19).

5. The nylon 3D printing powder drying and moisture-proof storage system according to claim 1, characterized in that: A scraper (18) is fixed on the outer surface of the rotating rod (7) in the gap of the humidity sensor (9), and the end of the scraper (18) away from the rotating rod (7) slides against the bottom of the storage box (1).

6. The nylon 3D printing powder drying and moisture-proof storage system according to claim 1, characterized in that: A sealing plug (12) is fixed inside the sealing cover (11) at the bottom of the discharge pipe (10). The sealing plug (12) extends into the storage box (1). The end of the sealing plug (12) away from the sealing cover (11) is set to be arc-shaped to match the bottom surface inside the storage box (1).

7. The nylon 3D printing powder drying and moisture-proof storage system according to claim 3, characterized in that: The air duct (14) is configured as an H-shaped horizontally placed tube that fits inside the box cover (2), and a powder filter screen is fixed inside the bottom of each air outlet (15).