CN113399855A - Additive manufacturing method of miniature pressure-bearing container - Google Patents
Additive manufacturing method of miniature pressure-bearing container Download PDFInfo
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- CN113399855A CN113399855A CN202110703432.9A CN202110703432A CN113399855A CN 113399855 A CN113399855 A CN 113399855A CN 202110703432 A CN202110703432 A CN 202110703432A CN 113399855 A CN113399855 A CN 113399855A
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- inert gas
- additive manufacturing
- welding
- device body
- workbench
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 74
- 239000000654 additive Substances 0.000 title claims abstract description 42
- 230000000996 additive effect Effects 0.000 title claims abstract description 41
- 239000011261 inert gas Substances 0.000 claims abstract description 50
- 239000007789 gas Substances 0.000 claims abstract description 26
- 239000007769 metal material Substances 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims description 63
- 239000000463 material Substances 0.000 claims description 24
- 230000004927 fusion Effects 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 238000011960 computer-aided design Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses an additive manufacturing method of a miniature pressure-bearing container, which comprises an additive manufacturing device body and a central filling deposited metal material, wherein an upper cabinet door is arranged above one end of the additive manufacturing device body; according to the additive manufacturing device, the inert gas generation control device controls the inert gas generation device to start, the inert gas flows into the gas outlet connecting grooves through the connecting pipes and is released by the plurality of groups of gas outlet holes to fill the working bin of the additive manufacturing device body, the plurality of groups of gas outlet holes can uniformly release the inert gas, and meanwhile, the metal separation net can play a role in separation and prevent internal blockage.
Description
Technical Field
The invention relates to the technical field of manufacturing of pressure-bearing equipment, in particular to an additive manufacturing method of a miniature pressure-bearing container.
Background
The pressure equipment refers to equipment for bearing various pressures, such as air pressure, water pressure, nuclear radiation pressure, ray pressure and the like, such as a pump for bearing water pressure, nuclear pressure equipment for bearing nuclear energy pressure and the like. The pressure-bearing equipment is various, and in the manufacturing of the pressure-bearing equipment, an additive manufacturing mode commonly known as 3D printing is adopted at present, computer aided design, material processing and forming technology are fused, a digital model file is used as a basis, and special metal materials, non-metal materials and medical biological materials are stacked layer by layer through software and a numerical control system according to modes of extrusion, sintering, melting, photocuring, spraying and the like, so that a manufacturing technology of solid objects is manufactured.
The pressure-bearing equipment has poor welding effect in the manufacturing process, and the inert gas protection filling is not uniform enough.
Disclosure of Invention
The invention aims to provide an additive manufacturing method of a miniature pressure-bearing container, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the material increase manufacturing method of the miniature pressure-bearing container comprises a material increase manufacturing device body and a center filling deposited metal material, wherein an upper cabinet door is arranged above one end of the material increase manufacturing device body, a lower cabinet door is arranged below one end of the material increase manufacturing device body, an intermediate baffle is fixedly connected inside the material increase manufacturing device body, a workbench micro-vibrator is arranged above the intermediate baffle, a workbench base is arranged above the workbench micro-vibrator, a workbench surface is arranged above the workbench base, an air outlet hole is formed in one end of the workbench surface, a metal separation net is embedded in the air outlet hole, an air outlet connection groove is formed in the other end of the workbench surface, and one end of the air outlet connection groove is connected with a connection pipe in a penetrating mode.
As a further scheme of the invention: the device comprises an additive manufacturing device and is characterized in that an inert gas generation control device is arranged at one end of the lower portion inside the additive manufacturing device, an inert gas generation device is arranged at the other end of the lower portion inside the additive manufacturing device, a gas concentration detection device is arranged at one end of a middle partition plate, and the inert gas generation control device is electrically connected with the inert gas generation device and the gas concentration detection device respectively.
As a still further scheme of the invention: the material increase manufacturing device is characterized in that a servo motor is arranged at one end of the inner side of the machine body of the material increase manufacturing device, a welding device is arranged at one end of the servo motor, a laser fusion welding device is arranged at the top end inside the machine body of the material increase manufacturing device, and the servo motor and the welding device are arranged in two groups.
As a still further scheme of the invention: a transparent window is embedded in the upper cabinet door and is made of high-temperature resistant tempered glass.
As a still further scheme of the invention: and the outer sides of the center filling deposited metal materials are wound with external thin welding wires, the number of the external thin welding wires is provided with a plurality of groups, and the diameter specification of the external thin welding wires is from zero five to one millimeter.
As a still further scheme of the invention: the connecting pipe through connection inert gas generating device, venthole and metal separate net quantity all are provided with the multiunit, every group venthole all through connection the spread groove of giving vent to anger.
As a further scheme of the invention, the using method comprises the following steps:
placing a welding wire structure consisting of a center-filled deposited metal material and a wound external fine welding wire on a welding device, and selecting a master batch for additive manufacturing of pressure-bearing equipment;
the inert gas generation control device is used for controlling the inert gas generation device to be started, the inert gas flows into the gas outlet connecting groove through the connecting pipe, is released by the plurality of groups of gas outlet holes, is filled in a working bin at the upper part of the machine body of the additive manufacturing device, is detected by the gas concentration detection device, sends an instruction to the inert gas generation control device, and controls the inert gas generation device to be started and closed, so that the concentration of the inert gas is conveniently adjusted;
after the space is filled with the inert gas, the welding device and the laser fusion welding device are started to work, and the material increase manufacturing of the pressure-bearing equipment is carried out;
the micro-vibrator of the workbench is started to vibrate after a period of time, so that the workpiece of the pressure-bearing equipment is subjected to vibration impact, the internal stress of the workpiece is reduced, and meanwhile, the coating and the residues generated in fusion welding are vibrated, and the continuous manufacturing is facilitated;
according to the using condition, the heating mode of the welding wire during fusion welding is adjusted, the fusion welding interval time between the center filling deposited metal material and the outer thin welding wire is controlled, the interval time is controlled to be about one second, if the center filling deposited metal material has the effect of fusion welding firstly, the thickness is larger, and if the outer thin welding wire has the effect of fusion welding firstly, the thickness is smaller.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the additive manufacturing device, the inert gas generation control device controls the inert gas generation device to start, the inert gas flows into the gas outlet connecting grooves through the connecting pipes and is released by the plurality of groups of gas outlet holes to fill the working bin at the upper part of the additive manufacturing device body, the plurality of groups of gas outlet holes can uniformly release the inert gas, and meanwhile, the metal separation net can play a role in separation to prevent internal blockage.
2. The invention is detected by the gas concentration detection device, sends an instruction to the inert gas generation control device, and controls the start and the close of the inert gas generation device, thereby conveniently adjusting the concentration of the inert gas to adapt to the processing work.
3. In the invention, the micro-vibrator of the workbench is started for vibrating for a period of time, so that the workpiece of the pressure-bearing equipment is subjected to vibration impact, the internal stress is reduced, and meanwhile, the coating and the residues generated in fusion welding are vibrated, thereby facilitating the continuous manufacturing.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus for an additive manufacturing method of a miniature pressure-bearing container.
Fig. 2 is a schematic cross-sectional internal structure diagram of the device in the additive manufacturing method of the miniature pressure-bearing container.
Fig. 3 is a schematic cross-sectional internal structure diagram of a workbench in the additive manufacturing method of the miniature pressure-bearing container.
Fig. 4 is a schematic structural diagram of a welding wire in the additive manufacturing method of the miniature pressure-bearing container.
Fig. 5 is a schematic top sectional structure view of a welding wire in the additive manufacturing method of the miniature pressure-bearing container.
In the figure: 1-additive manufacturing device body, 2-upper cabinet door, 3-lower cabinet door, 4-middle partition plate, 5-workbench micro-vibrator, 6-workbench base, 7-workbench surface, 8-air outlet hole, 9-metal separation net, 10-air outlet connecting groove, 11-connecting pipe, 12-inert gas generation control device, 13-inert gas generation device, 14-gas concentration detection device, 15-servo motor, 16-welding device, 17-laser fusion welding device, 18-transparent window, 19-center filling deposited metal material and 20-external fine welding wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, in an embodiment of the present invention, a method for manufacturing a micro pressure vessel in an additive manufacturing process includes an additive manufacturing apparatus body 1 and a deposited metal material 19 filled in the center, an upper cabinet door 2 is arranged above one end of the additive manufacturing device body 1, a lower cabinet door 3 is arranged below one end of the additive manufacturing device body 1, the additive manufacturing device body 1 is fixedly connected with a middle clapboard 4 inside, a workbench micro-vibrator 5 is arranged above the middle clapboard 4, a workbench base 6 is arranged above the workbench micro-vibrator 5, a workbench surface 7 is arranged above the workbench base 6, an air outlet hole 8 is arranged in one end of the working table surface 7, a metal separation net 9 is embedded in the air outlet hole 8, the inside spread groove 10 of giving vent to anger of having seted up of table surface 7 other end, spread groove 10 one end through connection has connecting pipe 11 of giving vent to anger.
Example one
An inert gas generation control device 12 is arranged at one end of the lower portion inside the additive manufacturing device body 1, an inert gas generation device 13 is arranged at the other end of the lower portion inside the additive manufacturing device body 1, a gas concentration detection device 14 is arranged at one end of the middle partition plate 4, and the inert gas generation control device 12 is electrically connected with the inert gas generation device 13 and the gas concentration detection device 14 respectively.
Example two
The material increase manufacturing device is characterized in that a servo motor 15 is arranged at one end of the inner side of the material increase manufacturing device body 1, a welding device 16 is arranged at one end of the servo motor 15, a laser fusion welding device 17 is arranged at the top end of the inner portion of the material increase manufacturing device body 1, and the servo motor 15 and the welding device 16 are arranged in two groups.
EXAMPLE III
Go up inside the inlaying of cabinet door 2 and be equipped with transparent window 18, transparent window 18 is high temperature resistant toughened glass material, 19 outside windings of center packing deposited metal material have outside thin welding wire 20, outside thin welding wire 20 quantity is provided with the multiunit, outside thin welding wire 20 diameter specification is five to a millimeter at zero point.
Example four
The connecting pipe 11 through connection the inert gas generating device 13, venthole 8 and metal separate net 9 quantity and all be provided with the multiunit, every venthole 8 of group all through connection the spread groove 10 of giving vent to anger.
The working principle of the invention is as follows: when in use, a welding wire structure consisting of a center filling deposited metal material 19 and a wound external fine welding wire 20 is placed on the welding device 16, and a master batch for material increase manufacturing of a pressure-bearing device is selected; the inert gas generation control device 12 is used for controlling the inert gas generation device 13 to be started, the inert gas flows into the gas outlet connecting groove 10 through the connecting pipe 11, is released by the plurality of groups of gas outlet holes 8, is filled in the working bin at the upper part of the additive manufacturing device body 1, is detected by the gas concentration detection device 14, sends an instruction to the inert gas generation control device 12, controls the inert gas generation device 13 to be started and closed, and accordingly conveniently adjusts the concentration of the inert gas; after the space is filled with the inert gas, the welding device 16 and the laser fusion welding device 17 are started to work, and the material increase manufacturing of the pressure-bearing equipment is carried out; the micro-vibrator 5 of the workbench is started to vibrate after a period of time, so that the workpiece of the pressure-bearing equipment is subjected to vibration impact, the internal stress of the workpiece is reduced, and meanwhile, the coating and the residues generated in fusion welding are vibrated, and the continuous manufacturing is facilitated; according to the using condition, the heating mode of the welding wire during fusion welding is adjusted, the fusion welding interval time of the center filling deposited metal material 19 and the outer thin welding wire 20 is controlled, the interval time is controlled to be about one second, if the center filling deposited metal material 19 is firstly subjected to fusion welding, the effect is thick, and if the outer thin welding wire 20 is firstly subjected to fusion welding, the effect is thin, and the material adding manufacturing of the pressure-bearing equipment can be completed by repeating the fusion welding.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A material increase manufacturing method of a miniature pressure-bearing container comprises a material increase manufacturing device body (1) and a central filling deposited metal material (19), and is characterized in that an upper cabinet door (2) is arranged above one end of the material increase manufacturing device body (1), a lower cabinet door (3) is arranged below one end of the material increase manufacturing device body (1), a middle partition plate (4) is fixedly connected inside the material increase manufacturing device body (1), a workbench micro-vibrator (5) is arranged above the middle partition plate (4), a workbench base (6) is arranged above the workbench micro-vibrator (5), a workbench surface (7) is arranged above the workbench base (6), an air outlet hole (8) is formed inside one end of the workbench surface (7), a metal separation net (9) is embedded inside the air outlet hole (8), an air outlet connection groove (10) is formed inside the other end of the workbench surface (7), one end of the air outlet connecting groove (10) is connected with a connecting pipe (11) in a through mode.
2. The additive manufacturing method of the miniature pressure-bearing container according to claim 1, wherein an inert gas generation control device (12) is arranged at one end of the lower portion inside the additive manufacturing device body (1), an inert gas generation device (13) is arranged at the other end of the lower portion inside the additive manufacturing device body (1), a gas concentration detection device (14) is arranged at one end of the middle partition plate (4), and the inert gas generation control device (12) is electrically connected with the inert gas generation device (13) and the gas concentration detection device (14) respectively.
3. The additive manufacturing method of the miniature pressure-bearing container according to claim 1, wherein a servo motor (15) is arranged at one end of the inner side of the additive manufacturing device body (1), a welding device (16) is arranged at one end of the servo motor (15), a laser welding device (17) is arranged at the top end of the inner part of the additive manufacturing device body (1), and two groups of servo motors (15) and welding devices (16) are arranged.
4. The material increase manufacturing method of the miniature pressure-bearing container according to claim 1, characterized in that a transparent window (18) is embedded in the upper cabinet door (2), and the transparent window (18) is made of high temperature resistant tempered glass.
5. The additive manufacturing method of the miniature pressure-bearing container according to claim 1, characterized in that outer thin welding wires (20) are wound outside the center-filled deposited metal material (19), the number of the outer thin welding wires (20) is provided in multiple groups, and the diameter of the outer thin welding wires (20) is zero five to one millimeter.
6. The additive manufacturing method of the miniature pressure-bearing container according to claim 1, wherein the connecting pipe (11) is connected with the inert gas generating device (13) in a penetrating manner, a plurality of groups of the gas outlet holes (8) and the metal separation net (9) are arranged, and each group of the gas outlet holes (8) is connected with the gas outlet connecting groove (10) in a penetrating manner.
7. The additive manufacturing method of the miniature pressure-bearing container according to the claims 1-6, characterized in that the manufacturing method comprises:
(1) placing a welding wire structure consisting of a center-filled deposited metal material (19) and a wound thin outer welding wire (20) on a welding device (16), and selecting a master batch for additive manufacturing of a pressure-bearing device;
(2) the inert gas generating device (13) is controlled to be started through the inert gas generating control device (12), inert gas flows into the gas outlet connecting groove (10) through the connecting pipe (11), is released by a plurality of groups of gas outlet holes (8), is filled in a working bin at the upper part of the additive manufacturing device body (1), is detected through the gas concentration detection device (14), sends an instruction to the inert gas generating control device (12), and controls the starting and closing of the inert gas generating device (13), so that the concentration of the inert gas is conveniently adjusted;
(3) after the space is filled with inert gas, the welding device (16) and the laser fusion welding device (17) are started to work, and the material increase manufacturing of the pressure-bearing equipment is carried out;
(4) the micro-vibrator (5) of the workbench is started to vibrate after a period of time, so that the workpiece of the pressure-bearing equipment is subjected to vibration impact, the internal stress of the workpiece is reduced, and meanwhile, the coating and the residues generated in fusion welding are vibrated, and the continuous manufacturing is facilitated;
(5) according to the using situation, the heating mode of the welding wire during welding is adjusted, the welding interval time between the center filling deposited metal material (19) and the outer thin welding wire (20) is controlled to be about one second, the effect is thicker if the center filling deposited metal material (19) is welded firstly, and the effect is thinner if the outer thin welding wire (20) is welded firstly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110703432.9A CN113399855A (en) | 2021-06-24 | 2021-06-24 | Additive manufacturing method of miniature pressure-bearing container |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110703432.9A CN113399855A (en) | 2021-06-24 | 2021-06-24 | Additive manufacturing method of miniature pressure-bearing container |
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| CN113399855A true CN113399855A (en) | 2021-09-17 |
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| WO2011127798A1 (en) * | 2010-04-15 | 2011-10-20 | 华中科技大学 | Fused deposition forming composite manufacturing method for part and mold and auxiliary device thereof |
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| CN107399077A (en) * | 2017-07-11 | 2017-11-28 | 浙江大学 | Towards the ultrasonic destressing device of fused glass pellet 3D printing |
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| CN111545916A (en) * | 2020-04-30 | 2020-08-18 | 北京航空航天大学 | Electric arc additive and laser shock peening composite manufacturing device and method |
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2021
- 2021-06-24 CN CN202110703432.9A patent/CN113399855A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011127798A1 (en) * | 2010-04-15 | 2011-10-20 | 华中科技大学 | Fused deposition forming composite manufacturing method for part and mold and auxiliary device thereof |
| CN101885118A (en) * | 2010-07-22 | 2010-11-17 | 徐州华星焊材有限公司 | Manufacturing method of large-diameter carbon-dioxide protecting multistrand twisting welding wire |
| CN104785926A (en) * | 2015-04-14 | 2015-07-22 | 西南交通大学 | Ultrasonic field coupled laser-MIG common welding pool aluminum alloy welding technology |
| CN106475684A (en) * | 2016-12-19 | 2017-03-08 | 中国矿业大学 | A kind of laser electrical arc complex welding method reducing Welded pore |
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Application publication date: 20210917 |
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