CN210817889U - Nitrogen element in-situ reinforced gradient titanium alloy MIG electric arc additive manufacturing device - Google Patents
Nitrogen element in-situ reinforced gradient titanium alloy MIG electric arc additive manufacturing device Download PDFInfo
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- CN210817889U CN210817889U CN201920616585.8U CN201920616585U CN210817889U CN 210817889 U CN210817889 U CN 210817889U CN 201920616585 U CN201920616585 U CN 201920616585U CN 210817889 U CN210817889 U CN 210817889U
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- titanium alloy
- nitrogen
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 89
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
- 239000000654 additive Substances 0.000 title claims abstract description 33
- 230000000996 additive effect Effects 0.000 title claims abstract description 33
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 21
- 238000010891 electric arc Methods 0.000 title abstract description 24
- 238000003466 welding Methods 0.000 claims abstract description 44
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000007789 gas Substances 0.000 claims abstract description 28
- 229910052786 argon Inorganic materials 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 10
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005728 strengthening Methods 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims description 14
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000012495 reaction gas Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000000956 alloy Substances 0.000 abstract description 25
- 239000000463 material Substances 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 8
- 239000010953 base metal Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- PWKWDCOTNGQLID-UHFFFAOYSA-N [N].[Ar] Chemical compound [N].[Ar] PWKWDCOTNGQLID-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
The utility model discloses a nitrogen element normal position strengthened gradient titanium alloy MIG electric arc additive manufacturing device. The wire feeding mechanism feeds the welding wire into the MIG welding gun through a wire feeding wheel, electric arcs are generated between the welding wire and a base metal after the welding wire passes through a contact tip, and the titanium alloy welding wire fed into the welding gun by the wire feeding mechanism and the surrounding titanium alloy material are melted under the action of MIG electric arc heat [ H1 ]; and mixing and proportioning argon and nitrogen by using a proportioner, outputting the mixture, ionizing the nitrogen in the mixed gas under the action of MIG electric arc, and reacting ionic nitrogen and molten titanium alloy in situ to generate a titanium nitride reinforced phase which is distributed in the formed titanium alloy material. The gas proportioner is adjusted to realize different nitrogen and argon proportioning, thereby obtaining different strengthening effects. The utility model discloses at titanium alloy vibration material disk's in-process, realize simultaneously strengthening to titanium alloy material, need not the secondary and strengthen, reduce process flow, can realize the controllable gradient of titanium alloy material through the adjusting gas ratio simultaneously and strengthen, enlarged the application range of titanium alloy material.
Description
Technical Field
The utility model relates to a titanium alloy vibration material disk field especially relates to a gradient titanium alloy MIG electric arc vibration material disk manufacturing installation that nitrogen element normal position is reinforceed.
Background
The titanium and titanium alloy has a series of characteristics of small density, high temperature resistance, corrosion resistance, high strength and the like. With the development of time, the attention of various industries is gradually paid. It has been widely used in various fields, including aerospace, national defense industry, etc. The development of titanium and titanium alloy materials is stimulated by the generation of the demand, and the complex use environment puts higher requirements on the preparation of the titanium alloy materials. With the generation of new manufacturing devices in recent years, additive manufacturing devices have been receiving attention due to their "bottom-up" and "material accumulation" features. The special process of additive manufacturing can be applied to the manufacturing of titanium alloy materials, and can greatly shorten the production period and reduce the manufacturing cost. MIG arc additive manufacturing has the advantages of being easily controllable and efficient, as an important branch of its widespread use. However, the existing electric arc additive manufacturing device for titanium alloy has some limitations of the device, and some parts finished by additive manufacturing cannot meet the requirement of the industry on the strength of the parts, so that the prepared material is applied to the industry and needs to be additionally subjected to secondary processing reinforcement, and the process flow and the production cost are increased; meanwhile, secondary strengthening often only can strengthen the surface of the material, but can not strengthen the interior of the material, thereby greatly limiting the development of high-strength titanium alloy materials in various fields.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gradient titanium alloy MIG electric arc vibration material disk device that nitrogen element normal position is reinforceed, at the in-process that titanium alloy vibration material disk was made, realizes the whole of titanium alloy material simultaneously and reinforces to realize controllable intensive effect through the gaseous ratio of control.
In order to achieve the above object, the utility model provides a following scheme:
a nitrogen in-situ strengthened gradient titanium alloy MIG arc additive manufacturing device, the device comprising:
and fixing the titanium alloy substrate to be processed with a clean surface on a controllable work table.
The position of the titanium alloy substrate is adjusted to be right under the MIG welding gun.
The nitrogen cylinder and the argon cylinder are opened to supply the reaction gas nitrogen and the protective gas argon.
And opening the wire feeding mechanism, adjusting the wire feeding speed, and feeding the welding wire into the MIG welding gun after passing through the wire feeding wheel.
Starting a switch of the MIG welding machine, and generating electric arc by the MIG welding gun; and the nitrogen is ionized under the action of the MIG electric arc to form ionic nitrogen, and the ionic nitrogen reacts with the welding wire fed in the reaction process and the titanium alloy in the molten state at the periphery of the welding wire, so that a titanium nitride reinforced phase is generated in situ on the titanium alloy substrate to be processed.
Optionally, after the nitrogen gas cylinder and the argon gas cylinder are opened, the method further includes: and adjusting the flow of the nitrogen and the flow of the argon, thereby realizing different titanium alloy strengthening effects.
Optionally, the welding wire is a titanium alloy welding wire.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect: the utility model discloses titanium alloy MIG electric arc vibration material disk's that nitrogen element normal position is reinforceed in-process, let in nitrogen gas, make nitrogen gas be the ionic state under MIG electric arc's effect, with the titanium alloy normal position reaction of molten condition, titanium alloy base plate generation waiting to process has titanium nitride reinforcing phase's titanium alloy material, make titanium alloy vibration material disk go on simultaneously with the intensive process to titanium alloy material, operation process is simple, can make titanium alloy gradient material through adjusting different gas ratios in the manufacturing process simultaneously, the application range of titanium alloy material has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a nitrogen-in-situ-strengthened gradient titanium alloy MIG arc additive manufacturing apparatus according to an embodiment of the present invention.
Fig. 2 is a flowchart of a nitrogen-in-situ-strengthened gradient titanium alloy MIG arc additive manufacturing apparatus according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a nitrogen-in-situ-strengthened gradient titanium alloy MIG arc additive manufacturing apparatus according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a gradient titanium alloy MIG electric arc vibration material disk device that nitrogen element normal position is reinforceed accomplishes the enhancement to titanium alloy material at the in-process that titanium alloy vibration material disk was made to it is controllable to strengthen the effect.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Examples
As shown in fig. 1 and 3, the titanium alloy additive manufacturing apparatus provided in this embodiment includes:
the device comprises a wire feeding mechanism 1, an MIG welding machine 2, a controllable work table 3, a control center 4, a nitrogen cylinder 5, an argon cylinder 6, a gas proportioner 7, an MIG welding gun 8, a wire feeding wheel 9 and a titanium alloy substrate 12 to be processed.
And the controllable work table 3 is used for placing a titanium alloy substrate 12 to be processed.
The titanium alloy additive manufacturing device provided by the embodiment comprises the following specific steps:
(1) and preparing the titanium alloy gradient functional material by adopting an MIG electric arc additive manufacturing device. Cleaning the surface of a TC4 titanium alloy substrate 12, placing the cleaned surface on a controllable work table 3, fixing the position of the substrate by using a clamp, adjusting the position of an MIG welding gun 8 through a control center 4, confirming the starting position and the ending position of an MIG electric arc, and ensuring that the MIG welding gun is positioned right above the starting position of the substrate; the wire feeding speed of the wire feeding mechanism is adjusted to ensure that the welding wire is fed into the MIG welding gun after passing through the wire feeding wheel at a fixed speed.
(2) Adjusting the welding current of an MIG welding machine to be 60-100A through a control center, adjusting the welding speed to be 80-120mm/min, adjusting the wire feeding speed of a wire feeding mechanism 1 to be 80-120cm/min, connecting a protective gas pipeline with a nitrogen gas bottle 5 and an argon gas bottle 6, and simultaneously connecting a mixed gas proportioner 7 in the middle; opening a gas cylinder switch, and simultaneously adjusting a gas proportioning device to ensure that the total gas flow is 10L/min, wherein the nitrogen flow is 0-2L/min, and the rest gas is argon;
(3) in the MIG electric arc additive manufacturing process, after the MIG electric arc is generated, the controllable work table 3 is controlled to move at a constant speed in a set direction, a TC4 welding wire is melted and spread on a titanium alloy substrate under the action of the MIG electric arc, a single-layer titanium alloy MIG electric arc additive manufacturing process is started, wherein nitrogen is ionized into ionic nitrogen under the action of the MIG electric arc, the ionic nitrogen is attached to the surface of a molten pool under the action of the MIG electric arc, the molten titanium alloy in the molten pool is driven to flow in the MIG electric arc moving process to bring the ionic nitrogen attached to the surface of the molten pool into the molten pool, the ionic nitrogen and the molten titanium react in situ to generate a test piece with a titanium nitride reinforcing phase, and therefore the titanium alloy material is reinforced in situ during the additive manufacturing process;
(4) and (3) after the single-channel titanium alloy additive manufacturing is finished, closing the protective gas and the MIG welding machine through the control center, controlling the MIG welding gun to return to the initial position and adjusting the height, controlling different nitrogen-argon ratios by adjusting the flow range of nitrogen and argon of the gas ratio in the step (2), adjusting parameters, and continuing the additive manufacturing process of the titanium alloy material. Different strengthening effects of the titanium alloy material can be realized by controlling the gas ratio in real time, the controllable strengthening of the titanium alloy material is realized, and the titanium alloy material with the gradient function is prepared.
The device can realize in-situ reinforcement of the titanium alloy material in the process of titanium alloy additive manufacturing, and can control different reinforcement effects, so that the operation process is simple and convenient, and the application range of the titanium alloy material is further improved.
A nitrogen in-situ strengthened gradient titanium alloy MIG arc additive manufacturing device as shown in fig. 2, the device comprising:
step 1: and fixing the titanium alloy substrate to be processed with a clean surface on a controllable work table.
Step 2: the MIG welding gun is controlled to be positioned right above the initial position of the substrate, and the fixed wire feeding speed is adjusted by the control center and is fed into the welding gun through the wire feeding wheel.
And step 3: and opening a nitrogen gas bottle and an argon gas bottle, providing reaction gas nitrogen and protective gas argon, and adjusting different flow ratios of the nitrogen gas and the argon gas.
And 4, step 4: and starting an MIG welding machine through a control center, generating electric arc by an MIG welding gun, ionizing the nitrogen under the action of the MIG electric arc to form ionic nitrogen, reacting the ionic nitrogen with the molten titanium alloy in situ in the manufacturing process, and generating a titanium nitride reinforced phase on the titanium alloy substrate to be processed.
As shown in fig. 3, a titanium alloy welding wire 10 is fed into a MIG welding gun, the MIG welding gun generates a MIG arc 11, nitrogen 14 is ionized to form ionic nitrogen under the action of the MIG arc 11 and attached to the surface of a molten pool 13, the titanium alloy welding wire 10 is spread on a titanium alloy substrate to be processed in a molten state, the ionic nitrogen and the molten titanium alloy are combined in situ to generate a titanium nitride reinforcing phase, and therefore, the titanium alloy material is reinforced in situ while the titanium alloy additive manufacturing process is performed.
The device provided by the utility model, not only can realize individual layer titanium alloy vibration material disk to through control center adjusting gas proportioner, control different nitrogen gas argon gas ratio, the adjusting parameter realizes the different intensive effects of titanium alloy material, realizes the controllable enhancement of titanium alloy material, and the preparation has the titanium alloy material of gradient function.
For the device disclosed by the embodiment, the description is relatively simple because the device disclosed by the embodiment corresponds to the device disclosed by the embodiment, and the relevant part can be referred to the device part for description.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the device and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. A nitrogen in-situ strengthened gradient titanium alloy MIG arc additive manufacturing device, wherein the nitrogen in-situ strengthened gradient titanium alloy MIG arc additive manufacturing device comprises: the controllable work table (3) is used for placing a titanium alloy workpiece and is controlled by the control center (4); the wire feeding mechanism (1) is connected with the control center (4) to provide welding wires required in the additive manufacturing process, the nitrogen gas cylinder (5) and the argon gas cylinder (6) are connected with the gas proportioner (7) and then output to the MIG welding gun (8), and the wire feeding mechanism (1) feeds the welding wires into the MIG welding gun after passing through the wire feeding wheel (9).
2. The MIG arc additive manufacturing device for gradient titanium alloy strengthened in situ by nitrogen element as claimed in claim 1, wherein: and the wire feeding mechanism feeds the welding wire into the welding gun after passing through the wire feeding wheel.
3. The MIG arc additive manufacturing device for gradient titanium alloy strengthened in situ by nitrogen element as claimed in claim 1, wherein: the control center is connected with the wire feeding mechanism, and the wire feeding speed of the wire feeding mechanism is controlled by the control center.
4. The MIG arc additive manufacturing device for gradient titanium alloy strengthened in situ by nitrogen element as claimed in claim 1, wherein: the controllable work table is used for placing the titanium alloy substrate to be processed with the clean surface, and the control center Mach3 system controls the x-axis servo motor, the y-axis servo motor and the z-axis servo motor to drive the transmission device, so that the movement of the spatial position of the controllable work table is realized.
5. The MIG arc additive manufacturing device for gradient titanium alloy strengthened in situ by nitrogen element as claimed in claim 1, wherein: the MIG welder generates an arc, and the MIG welder current is regulated during manufacturing by the control center.
6. The MIG arc additive manufacturing device for gradient titanium alloy strengthened in situ by nitrogen element as claimed in claim 1, wherein: the welding wire is a titanium alloy welding wire.
7. The MIG arc additive manufacturing device for gradient titanium alloy strengthened in situ by nitrogen element as claimed in claim 1, wherein: and the nitrogen gas bottle and the argon gas bottle are connected with the gas proportioner and then output to the MIG welding gun, reaction gas nitrogen and protective gas argon are input, wherein the nitrogen reacts with the molten titanium alloy to generate a titanium nitride reinforced phase, and the argon protects the reaction process.
8. The MIG arc additive manufacturing device for gradient titanium alloy strengthened in situ by nitrogen element as claimed in claim 1, wherein: and the control center is used for controlling the gas proportioning device and is used for proportioning the conveyed nitrogen and argon, so that different titanium alloy strengthening effects are realized.
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CN201920616585.8U CN210817889U (en) | 2019-04-30 | 2019-04-30 | Nitrogen element in-situ reinforced gradient titanium alloy MIG electric arc additive manufacturing device |
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Granted publication date: 20200623 |