CN219561418U - Air flow circulation auxiliary device for 3D printing metal powder preparation equipment - Google Patents
Air flow circulation auxiliary device for 3D printing metal powder preparation equipment Download PDFInfo
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- CN219561418U CN219561418U CN202320325958.2U CN202320325958U CN219561418U CN 219561418 U CN219561418 U CN 219561418U CN 202320325958 U CN202320325958 U CN 202320325958U CN 219561418 U CN219561418 U CN 219561418U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model is suitable for the technical field of metal powder preparation equipment, and provides an airflow circulation auxiliary device for 3D printing metal powder preparation equipment. The metal powder preparation box comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a base, the top of the base is fixedly connected with a pneumatic pump and the metal powder preparation box, the pneumatic pump and the metal powder preparation box are fixedly connected through an air supply pipeline, one side of the metal powder preparation box is provided with an outer cooling pipe, the outer cooling pipe is fixedly connected to the top of the bottom plate through a supporting rod, an inner cooling pipe is coaxially arranged in the outer cooling pipe, a spiral pipeline is arranged between the inner wall of the outer cooling pipe and the outer wall of the inner cooling pipe, and one end of the spiral pipeline penetrates through the outer side of the outer cooling pipe and is fixedly communicated with the metal powder preparation box through a sealing piece. The utility model can effectively recycle the heat generated by explosion products, does not need to additionally convey cooling gas to cool to form nano powder, saves energy, protects environment and reduces the use cost.
Description
Technical Field
The utility model relates to the technical field of metal powder preparation equipment, in particular to an airflow circulation auxiliary device for 3D printing metal powder preparation equipment.
Background
The utility model provides a 3D printer, a machine of quick forming technique, it is based on digital model file, uses the bondable material such as powdered metal, constructs the technique of object through laser sintering mode of printing layer by layer, uses the model that 3D printer that metal powder made as the shaping raw materials has high accuracy and high strength's advantage, and this printer traditional structure contains laser head subassembly, material spraying head subassembly and scraper blade subassembly, and the practicality is very high.
At present, the explosion wire method is adopted to prepare metal nano powder, and high voltage is applied to a wire conductor in a medium or vacuum to instantaneously generate strong pulse current, so that the wire conductor instantaneously melts, gasifies and expands to further explode, and the explosion products are 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, in the conventional cooling method, the nano powder is mostly formed by cooling with a cooling gas, and the heated cooling gas is recycled by cooling with a cooler. This not only does not allow for efficient recovery of the heat generated by the explosion products, but it also requires additional delivery of a cooling gas to cool the resulting nanopowder, resulting in increased costs.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide the air flow circulation auxiliary device for the 3D printing metal powder preparation equipment, which is capable of effectively recycling heat generated by explosion products, does not need to additionally convey cooling gas to cool to form nano powder, is energy-saving and environment-friendly and reduces the use cost.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an air current circulation auxiliary device for 3D prints metal powder preparation facilities, includes the bottom plate, bottom plate top fixedly connected with base, base top fixedly connected with pneumatic pump and metal powder preparation case, pneumatic pump and metal powder preparation case pass through air supply pipeline fixed connection, metal powder preparation case one side is equipped with outer cooling tube, outer cooling tube passes through bracing piece fixed connection in bottom plate top, the coaxial heart in the outer cooling tube is equipped with interior cooling tube, be equipped with helical piping between outer cooling tube inner wall and the interior cooling tube outer wall, helical piping one end runs through to outer cooling tube outside and through sealing member and metal powder preparation case fixed intercommunication, the helical piping other end runs through to outer cooling tube outside and with collecting assembly fixed intercommunication; one end of the outer cooling pipe is provided with a water delivery pipe, the water outlet end of the water delivery pipe is fixedly communicated with the inner cooling pipe through a connecting pipe, and the inner cooling pipe is rotatably matched with a rotating shaft; stirring blades distributed in a circumferential array are arranged on the peripheral side face of the rotating shaft, and one end of the rotating shaft penetrates into the water delivery pipe and is fixedly connected with an impeller.
The utility model is further arranged that the two ends of the inner cooling pipe are respectively fixedly communicated with a first water inlet pipe and a first water outlet pipe, the first water inlet pipe is fixedly communicated with the connecting pipe, and the outer cooling pipe is respectively fixedly communicated with a second water outlet pipe and a second water inlet pipe.
The utility model is further characterized in that the inner wall of the outer cooling pipe is axially provided with the special-shaped heat conducting fins distributed in a circumferential array, and the special-shaped heat conducting fins are attached to the spiral pipeline.
The utility model further provides that the water inlet end of the water pipe is provided with a water inlet in a penetrating way.
The utility model further provides that the collecting assembly comprises a spherical collecting box, supporting legs are symmetrically and fixedly connected to the outer side of the spherical collecting box, the supporting legs are fixedly connected with a bottom plate, a discharging pipeline is arranged at the bottom of the spherical collecting box, and a discharging valve is arranged on the discharging pipeline.
The utility model is further arranged that the side surface of the periphery of the outer cooling pipe is fixedly connected with an insulating layer; and the peripheral side surface of the heat preservation layer is fixedly connected with a heat insulation layer.
The utility model has the advantages that:
1. according to the utility model, the product after the explosion of the wire conductor is conveyed into the spiral pipeline in an airflow conveying manner by the pneumatic pump and enters the spherical collecting box for collection, meanwhile, cooling water with the opposite flowing direction is introduced into the outer cooling pipe and the inner cooling pipe to improve the cooling efficiency, the spiral pipeline is cooled and metal nano powder is formed, and the cooling water conveyed into the water conveying pipe drives the impeller to rotate, so that the rotating shaft drives the stirring blade to stir in the inner cooling pipe, the heat conduction efficiency is improved, the heat formed by the explosion product is effectively recycled, the cooling of the cooling gas is not required to be additionally conveyed to form nano powder, and the device is energy-saving and environment-friendly and reduces the use cost.
2. According to the utility model, the special-shaped heat conducting fins are arranged on the inner wall of the outer cooling pipe and are attached to the spiral pipeline, so that the heat conducting area is increased, and the heat conducting efficiency is improved; through the arrangement of the heat preservation layer and the heat insulation layer, the outer cooling pipe plays a role in heat preservation and heat insulation.
Drawings
Fig. 1 is a schematic structural view of an air flow circulation auxiliary device 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 the partial cross section of fig. 1.
Fig. 4 is a schematic structural view of another view of fig. 3.
In the figure: 1. a bottom plate; 2. a base; 3. a pneumatic pump; 4. a metal powder preparation box; 5. an air supply pipeline; 6. an outer cooling tube; 7. a support rod; 8. an inner cooling tube; 9. a helical pipe; 10. a seal; 11. a collection assembly; 12. a water pipe; 13. a connecting pipe; 14. a rotating shaft; 15. stirring the leaves; 16. an impeller; 17. a first water inlet pipe; 18. a first water outlet pipe; 19. a second water outlet pipe; 20. a second water inlet pipe; 21. a special-shaped heat conducting fin; 22. a water inlet; 23. a spherical collection box; 24. support legs; 25. and a discharging pipeline.
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. 1-4, the present utility model provides the following technical solutions:
the utility model particularly relates to an airflow circulation auxiliary device for 3D printing metal powder preparation equipment, which comprises the following technical scheme for realizing the purposes:
the utility model provides an air current circulation auxiliary device for 3D prints metal powder preparation equipment, includes bottom plate 1, bottom plate 1 top fixedly connected with base 2, and base 2 top fixedly connected with pneumatic pump 3 and metal powder preparation case 4, metal powder preparation case 4 are current processing equipment, adopts explosion silk method to apply high voltage to the silk conductor that lets in the metal powder preparation case 4 and produce powerful pulse current in the twinkling of an eye, makes the silk conductor melt in the short time, gasify, expand, take place the explosion. The 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 pneumatic pump 3 and the metal powder preparation box 4 are fixedly connected through the air supply pipeline 5, an outer cooling pipe 6 is arranged on one side of the metal powder preparation box 4, the outer cooling pipe 6 is fixedly connected to the top of the bottom plate 1 through a supporting rod 7, an inner cooling pipe 8 is coaxially arranged in the outer cooling pipe 6, a spiral pipeline 9 is arranged between the inner wall of the outer cooling pipe 6 and the outer wall of the inner cooling pipe 8, one end of the spiral pipeline 9 penetrates to the outer side of the outer cooling pipe 6 and is fixedly communicated with the metal powder preparation box 4 through a sealing piece 10, the sealing piece 10 is used for fixedly communicating the outer cooling pipe 6 with the interior of the metal powder preparation box 4, so that the explosion products are conveyed into the spiral pipeline 9, and the other end of the spiral pipeline 9 penetrates to the outer side of the outer cooling pipe 6 and is fixedly communicated with the collecting assembly 11; one end of the outer cooling pipe 6 is provided with a water delivery pipe 12, the water outlet end of the water delivery pipe 12 is fixedly communicated with the inner cooling pipe 8 through a connecting pipe 13, and the inner cooling pipe 8 is in running fit with a rotating shaft 14; stirring blades 15 distributed in a circumferential array are arranged on the peripheral side surface of the rotating shaft 14, and one end of the rotating shaft 14 penetrates into the water delivery pipe 12 and is fixedly connected with an impeller 16; the product after the wire conductor explosion is conveyed by the air pump 3 in the air flow conveying mode into the spiral pipeline 9 and is collected in the collecting assembly 11, meanwhile, cooling water with opposite flowing directions is conveyed into the outer cooling pipe 6 and the inner cooling pipe 8 to improve cooling efficiency, the spiral pipeline 9 is cooled and metal nano powder is formed, the cooling water conveyed into the water conveying pipe 12 drives the impeller 16 to rotate, the rotating shaft 14 drives the stirring blade 15 to stir in the inner cooling pipe 8, heat conduction efficiency is improved, heat formed by the explosion product is effectively recycled, and the cooling gas is not required to be conveyed additionally to cool to form nano powder, so that the device is energy-saving and environment-friendly and reduces use cost.
As shown in fig. 2, two ends of the inner cooling pipe 8 are fixedly communicated with a first water inlet pipe 17 and a first water outlet pipe 18 respectively, the first water inlet pipe 17 is fixedly communicated with the connecting pipe 13, a second water outlet pipe 19 and a second water inlet pipe 20 are fixedly communicated with the outer cooling pipe 6 respectively, cooling water is injected from the first water inlet pipe 17 and the second water inlet pipe 20 respectively, then the first water outlet pipe 18 and the second water outlet pipe 19 are communicated with cooling water recovery equipment through external pipelines, so that the water flow directions in the outer cooling pipe 6 and the inner cooling pipe 8 are opposite, the cooling effect is improved, the cooling water absorbing heat is recycled, and the waste of heat is avoided.
As shown in fig. 4, the inner wall of the outer cooling tube 6 is provided with the special-shaped heat conducting fins 21 distributed in a circumferential array along the axial direction, the special-shaped heat conducting fins 21 are attached to the spiral pipeline 9, and the heat conducting area is increased and the heat conducting efficiency is improved by arranging the special-shaped heat conducting fins 21 on the inner wall of the outer cooling tube 6 and attaching to the spiral pipeline 9.
As shown in fig. 3, the water inlet end of the water pipe 12 is provided with a water inlet 22 in a penetrating manner, and the water inlet 22 is arranged at the water inlet end of the water pipe 12 and close to the inner bottom surface, so that water flows in from one side of the impeller 16, and the water flows conveniently to drive the impeller 16 to rotate.
As shown in fig. 2, the collecting assembly 11 comprises a spherical collecting box 23, supporting legs 24 are symmetrically and fixedly connected to the outer side of the spherical collecting box 23, the supporting legs 24 are fixedly connected with a bottom plate 1, a discharging pipeline 25 is arranged at the bottom of the spherical collecting box 23, a discharging valve is arranged on the discharging pipeline 25, and a product after the explosion of a wire conductor is blown into the spherical collecting box 23 through a spiral pipeline 9 by a pneumatic pump 3; the discharge amount of the metal nano powder is controlled by controlling the discharge valve.
As shown in fig. 1, the side surface of the periphery of the outer cooling pipe 6 is fixedly connected with an insulation layer; the heat insulation layer is fixedly connected with the side face of the heat insulation layer, and the outer cooling pipe plays a role in heat insulation through the arrangement of the heat insulation layer and the heat insulation layer.
The working principle of this embodiment is as follows: the product after the wire conductor explosion is introduced into the spiral pipeline 9 through the pneumatic pump 3 in a mode of air flow conveying and is collected in the collecting assembly 11, meanwhile, cooling water with opposite flowing directions is introduced into the external cooling pipe 6 and the internal cooling pipe 8 to improve cooling efficiency, the spiral pipeline 9 is cooled and metal nano powder is formed, cooling water conveyed into the water conveying pipe 12 drives the impeller 16 to rotate, the rotating shaft 14 drives the stirring blade 15 to stir in the internal cooling pipe 8, heat conduction efficiency is improved, heat formed by the explosion product is effectively recycled, and cooling of additionally conveying cooling gas is not needed to form nano powder, so that the device is energy-saving and environment-friendly and reduces use 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 (6)
1. An airflow circulation auxiliary device for 3D prints metal powder preparation equipment, includes bottom plate (1), bottom plate (1) top fixedly connected with base (2), base (2) top fixedly connected with pneumatic pump (3) and metal powder preparation case (4), pneumatic pump (3) and metal powder preparation case (4) are through air supply pipeline (5) fixed connection, its characterized in that:
an outer cooling pipe (6) is arranged on one side of the metal powder preparation box (4), the outer cooling pipe (6) is fixedly connected to the top of the bottom plate (1) through a supporting rod (7), an inner cooling pipe (8) is arranged in the outer cooling pipe (6) coaxially, a spiral pipeline (9) is arranged between the inner wall of the outer cooling pipe (6) and the outer wall of the inner cooling pipe (8), one end of the spiral pipeline (9) penetrates through the outer side of the outer cooling pipe (6) and is fixedly communicated with the metal powder preparation box (4) through a sealing piece (10), and the other end of the spiral pipeline (9) penetrates through the outer side of the outer cooling pipe (6) and is fixedly communicated with a collecting assembly (11);
one end of the outer cooling pipe (6) is provided with a water delivery pipe (12), the water outlet end of the water delivery pipe (12) is fixedly communicated with the inner cooling pipe (8) through a connecting pipe (13), and the inner cooling pipe (8) is rotatably matched with a rotating shaft (14); stirring blades (15) distributed in a circumferential array are arranged on the peripheral side face of the rotating shaft (14), and one end of the rotating shaft (14) penetrates into the water delivery pipe (12) and is fixedly connected with an impeller (16).
2. An air flow circulation auxiliary device for 3D printing metal powder preparation equipment according to claim 1, wherein two ends of the inner cooling pipe (8) are fixedly communicated with a first water inlet pipe (17) and a first water outlet pipe (18) respectively, the first water inlet pipe (17) is fixedly communicated with the connecting pipe (13), and the outer cooling pipe (6) is fixedly communicated with a second water outlet pipe (19) and a second water inlet pipe (20) respectively.
3. The airflow circulation auxiliary device for the 3D printing metal powder preparation equipment according to claim 1, wherein the inner wall of the outer cooling pipe (6) is axially provided with special-shaped heat conducting fins (21) distributed in a circumferential array, and the special-shaped heat conducting fins (21) are attached to the spiral pipeline (9).
4. An air flow circulation auxiliary device for a 3D printing metal powder preparation apparatus according to claim 1, wherein the water inlet end of the water pipe (12) is provided with a water inlet (22) therethrough.
5. An air flow circulation auxiliary device for 3D printing metal powder preparation equipment according to claim 1, characterized in that the collecting assembly (11) comprises a spherical collecting box (23), supporting legs (24) are symmetrically and fixedly connected to the outer side of the spherical collecting box (23), the supporting legs (24) are fixedly connected with the bottom plate (1), a discharging pipeline (25) is arranged at the bottom of the spherical collecting box (23), and a discharging valve is arranged on the discharging pipeline (25).
6. The airflow circulation auxiliary device for 3D printing metal powder preparation equipment according to claim 1, wherein an insulation layer is fixedly connected to the peripheral side surface of the outer cooling tube (6); and the peripheral side surface of the heat preservation layer is fixedly connected with a heat insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320325958.2U CN219561418U (en) | 2023-02-27 | 2023-02-27 | Air flow circulation auxiliary device for 3D printing metal powder preparation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320325958.2U CN219561418U (en) | 2023-02-27 | 2023-02-27 | Air flow circulation auxiliary device for 3D printing metal powder preparation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219561418U true CN219561418U (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320325958.2U Active CN219561418U (en) | 2023-02-27 | 2023-02-27 | Air flow circulation auxiliary device for 3D printing metal powder preparation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219561418U (en) |
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2023
- 2023-02-27 CN CN202320325958.2U patent/CN219561418U/en active Active
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