CN219561419U

CN219561419U - Cooling synergistic mechanism for 3D printing metal powder preparation equipment

Info

Publication number: CN219561419U
Application number: CN202320326067.9U
Authority: CN
Inventors: 李广兵; 杨炽洪; 杨汉波; 林金才; 肖海斌
Original assignee: Guangdong Yinna Technology Co ltd
Current assignee: Guangdong Yinna Technology Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-08-22
Anticipated expiration: 2033-02-27

Abstract

The utility model is suitable for the technical field of cooling devices, and provides a cooling synergistic mechanism for 3D printing metal powder preparation equipment. The utility model comprises a water pipe, wherein one end of the water pipe is fixedly communicated with a water outlet, the other end of the water pipe is fixedly connected with a water conveying pipeline which is mutually perpendicular, one end of the water conveying pipeline is fixedly communicated with a water inlet, a connecting pipe is fixedly communicated between the other end of the water conveying pipeline and the water pipe, a metal powder conveying pipeline is arranged in the water pipe, and both ends of the metal powder conveying pipeline penetrate through the outer side of the water pipe; stirring shafts are rotatably connected to the upper side and the lower side of the metal powder conveying pipeline in the water pipe, stirring blades distributed in a circumferential array are axially arranged on the peripheral side surface of the stirring shafts, and the connecting shafts are rotatably connected to the water conveying pipeline. The utility model can cool the explosion product to form nano metal powder, and can effectively recycle the heat formed by the explosion product, thereby saving energy, protecting environment and reducing cost.

Description

Cooling synergistic mechanism for 3D printing metal powder preparation equipment

Technical Field

The utility model relates to the technical field of cooling devices, in particular to a cooling synergistic mechanism for 3D printing metal powder preparation equipment.

Background

At present, a 3D printer uses a powdery metal and other bondable materials to construct an object in a laser sintering layer-by-layer printing mode, and a model manufactured by a 3D printer taking metal powder as a molding raw material has the advantages of high precision and high strength. In the prior art, the metal nano powder is prepared by adopting an explosion wire method, and a strong pulse current is generated instantly when a high voltage is applied to a wire conductor in a medium or vacuum, so that the wire conductor is melted, gasified and expanded instantly to explode, and the explosion product is sputtered to the periphery at a high speed under the action of explosion shock waves; and then conveying the explosion products in the airtight pipeline along the airflow direction through airflow conveying, and cooling in the conveying process to form nano powder materials. However, the conventional cooling method cannot effectively recycle the heat generated by the explosion products, and the cooling gas is conveyed by a cooler to cool the explosion products to form nano powder, so that the cost is increased.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a cooling synergistic mechanism for 3D printing metal powder preparation equipment, which not only can cool explosion products to form nano metal powder, but also can effectively recycle heat formed by the explosion products, is energy-saving and environment-friendly and reduces cost.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a cooling synergy mechanism for 3D prints metal powder preparation facilities, includes the water pipe, water pipe one end fixedly communicates there is the delivery port, the water pipe other end fixedly connected with mutually perpendicular sets up's water pipe, water pipe one end fixedly communicates there is the water inlet, fixedly communicates between water pipe other end and the water pipe has the connecting pipe, be provided with metal powder pipeline in the water pipe, metal powder pipeline both ends all run through to the water pipe outside; the stirring device is characterized in that stirring shafts are rotatably connected to the upper side and the lower side of the metal powder conveying pipeline in the water pipe, stirring blades distributed in a circumferential array are axially arranged on the circumferential side face of the stirring shafts, connecting shafts are rotatably connected to the water conveying pipeline in a connecting mode, impellers are fixedly connected to the connecting shafts, one ends of the connecting shafts penetrate through the water pipe and are fixedly connected with driving gears, driven gears which are symmetrical to each other are meshed and matched with the outer sides of the driving gears, and the driven gears are fixedly sleeved on the adjacent stirring shafts.

The utility model further provides that the metal powder conveying pipeline is arranged into a continuous U-shaped structure.

The utility model further provides that the two sides of the metal powder conveying pipeline are symmetrically provided with the snakelike cooling fins.

The utility model is further arranged that the water inlet is arranged at a position close to the inner bottom surface of the water conveying pipeline.

The utility model is further arranged that two ends of the metal powder conveying pipeline are respectively connected with the metal powder equipment and the metal powder collecting device.

The utility model is further provided that the peripheral side surface of the water pipe is fixedly connected with a heat preservation layer and a heat insulation layer in sequence.

The utility model has the advantages that:

1. according to the utility model, explosion products are introduced into the metal powder conveying pipeline in an air flow conveying mode, meanwhile, cooling water is introduced into the water pipe through the water conveying pipeline through the connecting pipe, the metal powder conveying pipeline is cooled and metal nano powder is formed, the cooling water conveyed into the water conveying pipeline drives the impeller to rotate, the connecting shaft drives the driving gear to rotate, the stirring shaft and the stirring blade are driven to stir in the water pipe under the cooperation of the driven gear, the heat conduction efficiency is improved, the explosion products can be cooled to form nano metal powder, heat formed by the explosion products can be effectively recycled, and the metal powder cooling device is energy-saving and environment-friendly and reduces cost.

2. According to the utility model, the serpentine radiating fins are arranged on the metal powder conveying pipeline, so that the heat conduction area is increased, and the heat conduction efficiency is improved; through the arrangement of the heat preservation layer and the heat insulation layer, the water pipe has the heat preservation and heat insulation effects.

Drawings

FIG. 1 is a schematic diagram of a cooling enhancing mechanism for a 3D printing metal powder manufacturing apparatus according to the present utility model.

Fig. 2 is a schematic structural diagram of another view of fig. 1.

Fig. 3 is a schematic view of a partial cross-sectional structure of fig. 1.

Fig. 4 is a schematic structural view of another view of fig. 3.

Fig. 5 is a schematic view of the structure of fig. 3 at another view angle.

In the figure: 1. a water pipe; 2. a water outlet; 3. a water pipe; 4. a water inlet; 5. a connecting pipe; 6. a metal powder delivery conduit; 7. a stirring shaft; 8. stirring the leaves; 9. a connecting shaft; 10. an impeller; 11. a drive gear; 12. a driven gear; 13. serpentine fins; 15. a heat preservation layer; 16. and a heat insulation layer.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Examples:

referring to fig. 1-5, the present utility model provides the following technical solutions:

the cooling synergy mechanism for the 3D printing metal powder preparation equipment comprises a water pipe 1, wherein one end of the water pipe 1 is fixedly communicated with a water outlet 2, the other end of the water pipe 1 is fixedly connected with a water pipe 3 which is arranged vertically, the water pipe 1 is not communicated with the water pipe 3, one end of the water pipe 3 is fixedly communicated with a water inlet 4, a connecting pipe 5 is fixedly communicated between the other end of the water pipe 3 and the water pipe 1, a metal powder conveying pipeline 6 is arranged in the water pipe 1, and both ends of the metal powder conveying pipeline 6 penetrate through the outer side of the water pipe 1; stirring shafts 7 are rotatably connected to the upper side and the lower side of the metal powder conveying pipeline 6 in the water pipe 1, stirring blades 8 distributed in a circumferential array are axially arranged on the peripheral side surfaces of the stirring shafts 7, a connecting shaft 9 is rotatably connected to the water conveying pipeline 3, impellers 10 are fixedly connected to the connecting shaft 9, one end of the connecting shaft 9 penetrates through the water pipe 1 and is fixedly connected with a driving gear 11, driven gears 12 which are mutually symmetrical are engaged and matched on the outer sides of the driving gears 11, and the driven gears 12 are fixedly sleeved on the adjacent stirring shafts 7; the explosion products are introduced into the metal powder conveying pipeline 6 in an air flow conveying mode, meanwhile, cooling water is introduced into the water pipe 1 through the water conveying pipeline 3 through the connecting pipe 5, the metal powder conveying pipeline 6 is cooled and metal nano powder is formed, the impeller 10 is driven by the cooling water conveyed into the water conveying pipeline 3 to rotate, the connecting shaft 9 drives the driving gear 11 to rotate, the stirring shaft 7 and the stirring blades 8 are driven to stir in the water pipe 1 under the cooperation of the driven gear 12, the heat conduction efficiency is improved, the explosion products can be cooled to form nano metal powder, the heat formed by the explosion products can be effectively recycled, and the energy-saving and environment-friendly effects are achieved, and the cost is reduced.

As shown in fig. 3, the metal powder conveying pipe 6 is provided in a continuous U-shaped structure, which prolongs the contact time with the cooling environment and improves the cooling efficiency.

As shown in fig. 4, serpentine cooling fins 13 are symmetrically arranged on two sides of the metal powder conveying pipeline 6, so that the heat conduction area is increased, and the heat conduction efficiency is improved.

As shown in fig. 3, the water inlet 4 is arranged near the inner bottom surface of the water pipe 3, so that water flows from one side of the impeller 10, and the impeller 10 is driven to rotate by the water.

As shown in fig. 2, two ends of a metal powder conveying pipeline 6 are respectively connected with metal powder equipment and a metal powder collecting device, the metal powder equipment processing equipment is existing preparation equipment, a high voltage is applied to a wire conductor which is introduced into the metal powder equipment processing equipment by adopting an explosion wire method to instantly generate strong pulse current, so that the wire conductor is melted, gasified and expanded in a short time to explode, explosion products are sputtered to the periphery at a high speed under the action of explosion shock waves, nano powder is formed after cooling, the prepared metal powder is introduced into the metal powder conveying pipeline 6, and then the metal powder is collected by the metal powder collecting device.

As shown in fig. 2, the side surface of the circumference of the water pipe 1 is fixedly connected with a heat insulation layer 15 and a heat insulation layer 16 in sequence, so that the water pipe plays a role in heat insulation.

The working principle of this embodiment is as follows: the cooling water is introduced into the water pipe 1 through the connecting pipe 5 by the water pipe 3 to cool the metal powder conveying pipe 6 and form metal nano powder, and the cooling water conveyed into the water pipe 3 drives the impeller 10 to rotate, so that the connecting shaft 9 drives the driving gear 11 to rotate, and the stirring shaft 7 and the stirring blade 8 are driven to stir in the water pipe 1 under the cooperation of the driven gear 12, thereby improving the heat conduction efficiency, not only cooling explosion products to form nano metal powder, but also effectively recycling heat formed by the explosion products, saving energy and protecting environment and reducing the cost.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. A cooling synergy mechanism for 3D prints metal powder preparation facilities, includes water pipe (1), its characterized in that:

one end of the water pipe (1) is fixedly communicated with a water outlet (2), the other end of the water pipe (1) is fixedly connected with a water conveying pipeline (3) which is arranged vertically, one end of the water conveying pipeline (3) is fixedly communicated with a water inlet (4), a connecting pipe (5) is fixedly communicated between the other end of the water conveying pipeline (3) and the water pipe (1), a metal powder conveying pipeline (6) is arranged in the water pipe (1), and both ends of the metal powder conveying pipeline (6) penetrate through the outer side of the water pipe (1);

the stirring device is characterized in that stirring shafts (7) are rotatably connected to the upper side and the lower side of the water pipe (1) and located on the upper side and the lower side of the metal powder conveying pipeline (6), stirring blades (8) distributed in a circumferential array are axially arranged on the peripheral side face of the stirring shafts (7), connecting shafts (9) are rotatably connected to the water pipe (3), impellers (10) are fixedly connected to the connecting shafts (9), one end of each connecting shaft (9) penetrates into the water pipe (1) and is fixedly connected with a driving gear (11), driven gears (12) which are symmetrical to each other are meshed and matched with the outer sides of the driving gears (11), and the driven gears (12) are fixedly sleeved on the adjacent stirring shafts (7).

2. A cooling synergistic mechanism for 3D printing metal powder preparation apparatus according to claim 1, characterized in that the metal powder transport pipe (6) is provided in a continuous U-shaped structure.

3. A cooling synergistic mechanism for 3D printing metal powder preparation equipment according to claim 2, characterized in that serpentine cooling fins (13) are symmetrically arranged on both sides of the metal powder conveying pipeline (6).

4. The cooling synergistic mechanism for 3D printing metal powder preparation equipment according to claim 1, wherein the water inlet (4) is arranged at a position close to the inner bottom surface of the water conveying pipeline (3).

5. The cooling synergistic mechanism for 3D printing metal powder preparation equipment according to claim 1, wherein two ends of the metal powder conveying pipeline (6) are respectively connected with metal powder processing equipment and a metal powder collecting device.

6. The cooling synergistic mechanism for 3D printing metal powder preparation equipment according to claim 1, wherein a heat preservation layer (15) and a heat insulation layer (16) are sequentially and fixedly connected to the peripheral side surface of the water pipe (1).