CN218387979U - Copper induction heater for metal additive manufacturing - Google Patents
Copper induction heater for metal additive manufacturing Download PDFInfo
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- CN218387979U CN218387979U CN202222614810.9U CN202222614810U CN218387979U CN 218387979 U CN218387979 U CN 218387979U CN 202222614810 U CN202222614810 U CN 202222614810U CN 218387979 U CN218387979 U CN 218387979U
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- induction heater
- arc surface
- pipe
- additive manufacturing
- metal additive
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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
- Y02P10/25—Process efficiency
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Abstract
The utility model belongs to the field of additive manufacturing, in particular to a copper induction heater for metal additive manufacturing, which comprises a hollow tube, wherein the hollow tube consists of an installation part, a guide part, a working part and a connecting part, and the installation part is connected with an induction heater body; the mounting part comprises two cooling liquid inlets, a cooling liquid outlet, eight threaded holes and two connecting seats, and the threaded holes and the cooling liquid inlets are formed in the two connecting seats; the guide part comprises a pipe part, a guide pipe and a connecting pipe, wherein the pipe part is connected with the guide pipe and the connecting pipe; the working part includes first arc surface and second arc surface, is equipped with eight fins on first arc surface and the second arc surface, the utility model discloses shorten the preparation cycle, improve the quality, finally reduce manufacturing cost, avoid the temperature too to concentrate on certain position, need not add in inside and support just can range upon range of shaping, avoided the inside flow attenuation that supports and cause the coolant liquid of pipeline.
Description
Technical Field
The utility model relates to a vibration material disk makes technical field, especially relates to a based on metal vibration material disk makes with copper induction heater.
Background
Induction heaters, also commonly referred to as induction heating coils. The induction heaters used at present are generally manufactured by manually bending and brazing pure copper pipes. On one hand, the process has high requirements on the skills of personnel, the manufacturing period is long, and the manufacturing cost is high; on the other hand, the quality assurance of manual work is low, and a failure and a quality problem are likely to occur in the punching during the machining. The design of induction heaters was earlier performed on drawings by drafters, but the design freedom is limited, only relatively simple coil shapes can be achieved, the optimization is often completed according to repeated test results, and the time spent on testing and modifying is far longer than the time spent on calculating.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art, and providing a copper induction heater for metal additive manufacturing.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a copper induction heater for metal additive manufacturing comprises a hollow pipe, wherein the hollow pipe consists of a mounting part, a guiding part, a working part and a connecting part, and the mounting part is connected with an induction heater body; the mounting part comprises two cooling liquid inlets, a cooling liquid outlet, eight threaded holes and two connecting seats, and the threaded holes and the cooling liquid inlets are formed in the two connecting seats; the guide part comprises a pipe part, a guide pipe and a connecting pipe, wherein the pipe part is connected with the guide pipe and the connecting pipe; the working part comprises a first arc surface and a second arc surface, and eight fins are arranged on the first arc surface and the second arc surface; the connecting portion includes a flat face.
Preferably, the inner sides of the first arc surface and the second arc surface are provided on the workpiece to be heated.
Preferably, the hollow tube has an approximately elliptical cross-section, and the hollow tube is gently curved.
Preferably, the two connecting seats are provided with high-frequency power supplies.
Preferably, the flat surface is connected with the first arc surface and the second arc surface.
The utility model provides a method for realizing material increase manufacturing of an induction heater through optimization of a material forming process and structural optimization of the induction heater.
The method comprises the steps of optimizing a material forming process, namely performing process optimization and printing test on a selected material to enable the selected material to be printed and formed in high quality, firstly, taking density and material performance as main indexes, obtaining a change rule of key parameters in an additive manufacturing process through a single melting channel, a single layer, a block body, a rod body forming and post-treatment experiment, and determining additive manufacturing process parameters which have good printing quality and meet the performance of an induction heater;
the optimization of the induction heater structure mainly refers to the design of the shapes of the entity and the pipeline of the induction heater, so that the heat dissipation and leakage prevention can be ensured, and in order to reduce the printing cost, the pipeline structure of the induction heater is repeatedly evaluated through fluid mechanics simulation analysis, so as to provide an improvement direction.
The manufacturing method of the induction heater comprises the steps of dividing a design model of the induction heater into a plurality of thin layers, and controlling laser to selectively irradiate the powder above the laid powder by a printer according to data of each thin layer so as to enable the material to be fused and stacked layer by layer until the whole object is molded.
The scheme can realize the metal additive manufacturing of the copper induction heater through the following steps:
the method comprises the following steps: selecting a proper material (such as CuCrZr) according to the performance requirement of the induction heater, and optimizing the metal additive manufacturing process of the material to ensure that the material can be stably molded;
step two: establishing a three-dimensional model of the induction heater, and repeatedly modifying the three-dimensional model according to the fluid mechanics simulation analysis result until the simulation result meets the requirement;
step three: carrying out data processing on the induction heater model, and then printing and post-processing on a machine;
step four: the induction heater is tested for performance, such as conductivity, coolant flow, etc.
Step five: if the test result does not meet the requirement, adjusting the material and the structure of the induction heater;
step six: and if the test result meets the requirement, ending the test.
The utility model discloses in, a based on metal vibration material disk uses copper induction heater's beneficial effect:
(1) The high-strength high-conductivity material (CuCrZr) is adopted and integrally formed by the SLM technology, so that the technical requirements of the traditional manufacturing method on personnel can be reduced, the manufacturing period is shortened, the quality is improved, and the manufacturing cost is finally reduced.
(2) The electrical conductivity of the coil exceeds 80% iacs by optimizing the manufacturing process and coil structure; the induction temperature of more than 600 ℃ is borne without being melted through; under the condition that the cooling water pressure is 1MPa, the flow rate reaches more than 22L/min, and the temperature is prevented from being excessively concentrated on a certain part.
(3) The cooling liquid can be formed in a laminated mode without adding supports inside, and flow attenuation of cooling liquid caused by supports inside the pipeline is avoided.
Drawings
FIG. 1 is a schematic diagram of an apparatus used in a method of manufacturing an induction heater;
fig. 2 is a perspective view of a copper induction heater for metal additive manufacturing according to the present invention;
FIG. 3 is a cross-sectional view of a copper induction heater for metal additive manufacturing
Fig. 4 is a manufacturing flow chart of the copper induction heater for metal additive manufacturing according to the present invention.
In the figure: 1-induction heater body, 101-piping part, 102 guide piping, 103-threaded hole, 104-water inlet, 105-connecting seat, 106-first arc part, 107-second arc part, 108-connecting part, 109-fin, 110-connecting piping, 111-water outlet, 2-high frequency power supply, 3-heated workpiece.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 4, a copper induction heater for metal additive manufacturing includes a hollow tube composed of an installation part, a guide part, a working part and a connection part, the installation part being connected to an induction heater body 1; the mounting part comprises two cooling liquid inlets 104, a cooling liquid outlet 111, eight threaded holes 103 and two connecting seats 105, the threaded holes 103 and the cooling liquid inlets 104 are arranged on the two connecting seats 105, 2, the induction heater is molded in a mode that the bottom surfaces of the connecting seats face upwards, and the included angle between the bottom surfaces of the connecting seats and a molding plane is 43 degrees; the guide portion includes a pipe portion 101, a guide pipe 102, and a connection pipe 110, and the pipe portion 101 is connected to the guide pipe 102 and the connection pipe 110; the working part comprises a pair of first arc surface 106 and second arc surface 107 which are bent along the circumferential direction of the heated cylindrical object, and eight fins 109 are arranged on the first arc surface 106 and the second arc surface 107; the connecting part comprises a flat surface 108, the inner sides of a first circular arc surface 106 and a second circular arc surface 107 are arranged on a heated workpiece 3, the hollow pipe has an approximately elliptical cross section, the hollow pipe is bent gradually, high-frequency power supplies 2 are arranged on two connecting seats 105, the flat surface 108 is connected with the first circular arc surface 106 and the second circular arc surface 107, the mounting part is used for fixing the induction heater body 1, eight fins 109 provide a supporting surface in the forming process, heat dissipation is provided in the working process, the hollow pipe has an approximately elliptical cross section, the pipeline is bent gradually, and the on-way resistance of the cooling liquid in the flowing process is reduced.
With respect to the manufacturing method of the induction heating coil disclosed in application No. CN113351878A, it is found that the method can not ensure that the induction heating coil is smoothly formed, nor can the manufactured induction heating coil have high heating efficiency and long service life; the scheme is based on the additive manufacturing method for designing, optimizing and manufacturing the induction heater, the induction heater can be integrally manufactured, a complex shape is realized, and meanwhile, the conductivity, the heating efficiency and the service life of the induction heater can be ensured through the optimization of a material process and a structure.
The manufacturing method of the induction heater comprises the steps of optimizing a material forming process and optimizing the structure of the induction heater.
The optimization of the material forming process refers to the process optimization and printing test of the selected material, so that the selected material can be printed and formed with high quality. Firstly, with density and material performance as main indexes, obtaining a change rule of key parameters in an additive manufacturing process through a single melting channel, a single layer, a block body, a rod body forming and post-treatment experiment, and determining additive manufacturing process parameters which have good printing quality and meet the performance of an induction heater;
the structure optimization of the induction heater mainly refers to the design of the shapes of the entity and the pipeline of the induction heater, so that the heat dissipation and the leakage prevention can be ensured. In order to reduce the printing cost, the line structure of the induction heater is repeatedly evaluated by fluid mechanics simulation analysis to provide an improved direction.
The utility model relates to a manufacturing approach that induction heater did, a plurality of laminas that divide into induction heater's design model, the printer shines the powder selectively according to the data control laser of every lamina in the powder top of laying for the melting of material successive layer is piled up, until whole object shaping.
The utility model discloses copper induction heater's metal vibration material disk accessible is realized with following step:
the method comprises the following steps: selecting high-strength and high-conductivity copper alloy CuCrZr according to the performance requirement of the induction heater, and optimizing the metal additive manufacturing process of the material to ensure that the material can be stably molded;
step two: establishing a three-dimensional model of the induction heater, and repeatedly modifying the three-dimensional model according to the fluid mechanics simulation analysis result until the simulation result meets the requirement;
step three: processing data of the induction heater model, and then printing and post-processing on a machine;
step four: the induction heater is tested for performance, such as conductivity, coolant flow, etc.
Step five: if the test result does not meet the requirement, adjusting the material and the structure of the induction heater;
step six: and if the test result meets the requirement, ending the test.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (5)
1. A copper induction heater for metal additive manufacturing comprises a hollow pipe and is characterized in that the hollow pipe consists of an installation part, a guide part, a working part and a connecting part, wherein the installation part is connected with an induction heater body (1); the mounting part comprises two cooling liquid inlets (104), a cooling liquid outlet (111), eight threaded holes (103) and two connecting seats (105), and the threaded holes (103) and the cooling liquid inlets (104) are arranged on the two connecting seats (105); the guide part comprises a pipe part (101), a guide pipe (102) and a connecting pipe (110), and the pipe part (101) is connected with the guide pipe (102) and the connecting pipe (110); the working part comprises a first arc surface (106) and a second arc surface (107), and eight fins (109) are arranged on the first arc surface (106) and the second arc surface (107); the connecting portion includes a planar face (108).
2. The copper induction heater for metal additive manufacturing according to claim 1, wherein the inner sides of the first arc surface (106) and the second arc surface (107) are provided on the workpiece (3) to be heated.
3. The metal additive manufacturing-based copper induction heater of claim 2, wherein the hollow tube has an approximately elliptical cross-section, and the hollow tube is gradually curved.
4. The induction heater based on copper for metal additive manufacturing according to claim 3, characterized in that the two connection seats (105) are provided with high frequency power sources (2).
5. The metal additive manufacturing-based copper induction heater of claim 4, wherein the flat surface (108) is connected with a first circular arc surface (106) and a second circular arc surface (107).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222614810.9U CN218387979U (en) | 2022-09-30 | 2022-09-30 | Copper induction heater for metal additive manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222614810.9U CN218387979U (en) | 2022-09-30 | 2022-09-30 | Copper induction heater for metal additive manufacturing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218387979U true CN218387979U (en) | 2023-01-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222614810.9U Active CN218387979U (en) | 2022-09-30 | 2022-09-30 | Copper induction heater for metal additive manufacturing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218387979U (en) |
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2022
- 2022-09-30 CN CN202222614810.9U patent/CN218387979U/en active Active
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