Non-metal 3D printing material drying and anti-caking device

Abstract

The utility model discloses a non-metal 3D printing material drying and anti-caking device which comprises a drying box body, a combined roller, a fan, an air outlet, an air channel, an air inlet, a motor, a wire winding disc and a wire coil tightening device, the combined roller is arranged in the drying box body, the fan is arranged on the upper portion of the drying box body, and the fan is arranged on the lower portion of the drying box body. The air outlet is formed in the oven body and is connected with the air inlet of the fan through a pipeline, so that heat loss is reduced; the ten air inlets are uniformly distributed on the oven body, so that the air inlet quantity is uniform; the combined roller is of a modular structure and is a rotary roller, and the combined roller is provided with a granule mode and a scroll mode. According to the utility model, a rotary drying structure that the drying oven is combined with the roller is adopted, so that materials are in a moving state, uneven heating in the drying process is avoided, adhesion is not easy to generate at the same temperature, and the drying efficiency and the drying quality are improved.

Description

Technical Field

[0001] The utility model relates to a non-metallic 3D printing material drying and anti-caking device, belonging to the technical field of automobile parts processing. Background Art

[0002] Non-metallic 3D printing technology is a type of rapid prototyping technology that expands product creativity and creative space. It can realize design and manufacturing integration without molds, greatly reduce product research and development costs, shorten product development cycles, improve the success rate of new products, and enhance process implementation capabilities. It has been widely used in aerospace, automotive, medical and other industries. In non-metallic 3D printing, non-metallic materials are required, and the required printing materials are often prepared by combining different granular materials. In order to ensure the printing quality and prevent burrs during printing, the raw materials need to be dried before printing and cannot stick together. The existing oven uses a circulating fan to circulate air to dry the materials in the box. The air source is driven by a circulating air supply motor to drive the wind wheel through the heater to send hot air out, and then through the air duct to the inner chamber of the oven, and then the used air is sucked into the air duct as the air source and circulated again for heating. The oven is prone to agglomeration when drying moist non-metallic granular materials, especially materials with a low melting point; such as Figure 1 As shown, the existing technical solutions are mostly static, and the heating of the materials in the dynamic solution is not uniform enough. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a non-metallic 3D printing material drying and anti-caking device in view of the defects in the prior art, solve the technical problem of uneven heating, reduce the agglomeration of the baking material, and improve the quality of the baking material.

[0004] In order to solve this technical problem, the utility model provides a non-metallic 3D printing material drying and anti-caking device, including an oven body, a combined drum, a fan, an air outlet, an air duct, an air inlet, a motor, a wire reel and a wire reel tightener, wherein the combined drum is arranged inside the oven body, the fan is arranged on the upper part of the oven body, the air outlet is arranged on the oven body and connected to the air inlet of the fan through a pipeline to reduce heat loss; ten air inlets are evenly distributed on the oven body to achieve uniform air intake; the combined drum adopts a modular structure and a rotary drum, and is provided with two modes: a granular material mode and a wire reel mode.

[0005] The mode combination drum of the granular material mode includes a drum shaft, a drum frame, a drum net and a drum cover, the drum net is placed in the drum frame, the drum cover is located outside the fixed drum net, the drum shaft passes through the drum frame, the drum net and the drum cover in sequence and is fixed, the drum shaft is connected to the fan through a coupling, and the granular material is placed in the drum net for drying.

[0006] The drum frame is provided with a limiting hole, and the drum shaft is provided with a limiting ring. The limiting hole and the limiting ring cooperate with each other to limit the drum frame. The end surface of the limiting ring connected to the oven plays a limiting role.

[0007] The combined drum in the wire reel mode comprises a drum frame, a drum net, and a wire reel and a wire reel tightener. The wire reel and the wire reel tightener are provided with a core shaft and a baffle. The core shaft of the wire reel and the wire reel tightener is inserted into the drum frame, and the wire reel material is placed on the core shaft of the wire reel and the wire reel tightener for drying.

[0008] A temperature control device is arranged in the air duct.

[0009] Beneficial effects: The utility model adopts an oven combined drum rotating drying structure to keep the material in motion, avoid agglomeration after drying, improve the drying efficiency, and improve the quality of the material; the modular drying drum can dynamically dry wire materials and granular materials; the drum wire mesh design avoids uneven heating during the drying process, and is less likely to produce adhesion at the same temperature, thereby improving the drying efficiency and drying quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the prior art;

[0011] Figure 2 It is a schematic diagram of the structure of the utility model;

[0012] Figure 3 It is a schematic front view of the structure of the utility model;

[0013] Figure 4 For this utility model Figure 3 Schematic diagram of the GG cross section;

[0014] Figure 5 It is a schematic top view of the structure of the utility model;

[0015] Figure 6 For this utility model Figure 5 BB cross-sectional diagram;

[0016] Figure 7 It is a schematic diagram of the roller combination of the granular material mode of the utility model;

[0017] Figure 8 It is a schematic diagram of the assembly of the rollers in the wire reel mode of the utility model;

[0018] Fig. 9 It is a structural schematic diagram of the cable drum tightener of the utility model.

[0019] In the figure: 1. oven body; 2. fan; 3. air outlet; 4. air duct; 5. air inlet; 6. drum cover; 7. drum net; 8. drum frame; 9. drum shaft; 10. wire reel and wire reel tightener; 11. limit hole; 12. limit ring. DETAILED DESCRIPTION

[0020] The utility model is described in detail below in conjunction with the accompanying drawings and embodiments.

[0021] like Figure 2-Figure 9 As shown, the utility model provides a non-metallic 3D printing material drying and anti-caking device, including an oven body 1, a combined drum, a fan 2, an air outlet 3, an air duct 4, an air inlet 5, a motor and a wire reel and a wire reel tightener 10, the combined drum is arranged inside the oven body 1, the fan 2 is arranged on the upper part of the oven body 1, the air outlet 3 is arranged on the oven body 1, and is connected to the fan air inlet through a pipeline to reduce heat loss; ten air inlets 5 are evenly distributed on the oven body 1 to achieve uniform air intake; the combined drum adopts a modular structure and a rotary drum, and is provided with two modes: a granular material mode and a wire reel mode, and can dry materials with a wire reel or granular materials.

[0022] The mode combination drum of the granular material mode includes a drum shaft 9, a drum frame 8, a drum net 7 and a drum cover 6, the drum net 7 is placed in the drum frame 8, the drum cover 6 is located outside the fixed drum net, the drum shaft 9 is fixed through the drum frame 8, the drum net 7 and the drum cover 6 in sequence, the drum shaft 9 is connected to the fan 2 through a coupling, and the granular material is placed in the drum net 7 for drying.

[0023] The drum frame 8 is provided with a limiting hole 11, and the drum shaft 9 is provided with a limiting ring 12. The limiting hole 11 cooperates with the limiting ring 12 to limit the drum frame 8; the end surface of the limiting ring 12 connected to the oven 1 plays a limiting role.

[0024] The combined drum in the wire reel mode includes a drum frame 8, a drum net 7, and a wire reel and a wire reel tightener 10. The wire reel and the wire reel tightener 10 are provided with a core shaft and a baffle. The core shaft of the wire reel and the wire reel tightener 10 is inserted into the drum frame 8, and the wire reel material is placed on the core shaft of the wire reel and the wire reel tightener 10 for drying.

[0025] The air duct 4 is provided with a temperature control device.

[0026] When drying the wire coil, use the drum shaft 9 and the drum frame 8 and then install the wire coil and the wire coil tightener 10;

[0027] When drying granular materials, the drum shaft 9, the drum frame 8, the drum net 7, and the drum cover 6 need to be used in combination. When in use, first add the material to be dried into the drum net 7, then install the drum cover 6, and then install them with the drum frame 8 and the drum shaft 9;

[0028] After assembly, the drum is installed in the oven 1, and then connected to the motor through a coupling. The oven and the combined drum are matched through bearings. A temperature control device is set in the air duct to ensure that the inlet air temperature meets the set temperature, and the air outlet and the fan inlet can be connected through a pipe to reduce heat loss, thereby achieving the effect of uniformly drying the material and preventing agglomeration.

[0029] The utility model adopts an oven combined drum rotating drying structure to keep the material in motion, avoid agglomeration after drying, improve the drying efficiency and improve the quality of the material; the modular drying drum can dynamically dry wire materials and granular materials; the drum wire mesh design avoids uneven heating during the drying process, and is less likely to produce adhesion at the same temperature, thereby improving the drying efficiency and drying quality; the air outlet duct is evenly designed to make the air intake uniform; the drum is equipped with a limit shaft for quick disassembly and assembly, and maintenance is convenient.

[0030] The above embodiments of the present invention are merely illustrative and not exclusive, and all modifications within the scope of the present invention or equivalent to the scope of the present invention are encompassed by the present invention.

Claims

1. A non-metallic 3D printing material drying and anti-caking device, characterized by: The invention comprises a drying oven body (1), a combined drum, a fan (2), an air outlet (3), an air duct (4), an air inlet (5), a motor, a wire reel and a wire reel tightener (10), wherein the combined drum is arranged inside the drying oven body (1), the fan (2) is arranged on the upper part of the drying oven body (1), the air outlet (3) is arranged on the drying oven body (1) and is connected to the air inlet of the fan (2) through a pipeline to reduce heat loss; ten air inlets (5) are evenly distributed on the drying oven body (1) to achieve uniform air intake; the combined drum adopts a modular structure and is a rotary drum, and is provided with two modes: a granular material mode and a wire reel mode.

2. The non-metallic 3D printing material drying and anti-caking device according to claim 1, characterized in that: The mode combination drum of the granular material mode comprises a drum shaft (9), a drum frame (8), a drum net (7) and a drum cover (6); the drum net (7) is placed in the drum frame (8); the drum cover (6) is located outside the fixed drum net (7); the drum shaft (9) passes through the drum frame (8), the drum net (7) and the drum cover (6) in sequence for fixing; the drum shaft (9) is connected to the fan (2) through a coupling; and the granular material is placed in the drum net (7) for drying.

3. The non-metallic 3D printing material drying and anti-caking device according to claim 2 is characterized in that: The drum frame (8) is provided with a limiting hole (11), and the drum shaft (9) is provided with a limiting ring (12). The limiting hole (11) and the limiting ring (12) cooperate to limit the drum frame (8); the end surface of the limiting ring (12) connected to the oven 1 plays a limiting role.

4. The non-metallic 3D printing material drying and anti-caking device according to claim 1, characterized in that: The wire reel mode combined drum comprises a drum frame (8), a drum net (7) and a wire reel and a wire reel tightener (10), wherein the wire reel and the wire reel tightener (10) are provided with a core shaft and a baffle, the core shaft of the wire reel and the wire reel tightener (10) is inserted into the drum frame (8), and the wire reel material is placed on the core shaft of the wire reel and the wire reel tightener (10) for drying.

5. The non-metallic 3D printing material drying and anti-caking device according to any one of claims 1 to 4, characterized in that: A temperature control device is provided in the air duct (4).

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