CN117564299B - Environment-adjustable laser additive manufacturing liquid supply system and process flow method thereof - Google Patents
Environment-adjustable laser additive manufacturing liquid supply system and process flow method thereof Download PDFInfo
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- CN117564299B CN117564299B CN202410057217.XA CN202410057217A CN117564299B CN 117564299 B CN117564299 B CN 117564299B CN 202410057217 A CN202410057217 A CN 202410057217A CN 117564299 B CN117564299 B CN 117564299B
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 239000000654 additive Substances 0.000 title claims abstract description 28
- 230000000996 additive effect Effects 0.000 title claims abstract description 28
- 230000008569 process Effects 0.000 title claims abstract description 27
- 238000010791 quenching Methods 0.000 claims abstract description 188
- 230000000171 quenching effect Effects 0.000 claims abstract description 181
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000000243 solution Substances 0.000 claims description 242
- 239000002699 waste material Substances 0.000 claims description 149
- 238000002474 experimental method Methods 0.000 claims description 117
- 238000005253 cladding Methods 0.000 claims description 107
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 72
- 238000002156 mixing Methods 0.000 claims description 42
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- 239000011259 mixed solution Substances 0.000 claims description 24
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- 238000007789 sealing Methods 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 22
- 238000012545 processing Methods 0.000 claims description 21
- 238000004372 laser cladding Methods 0.000 claims description 20
- 238000003860 storage Methods 0.000 claims description 18
- 238000010276 construction Methods 0.000 claims description 17
- 230000009471 action Effects 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000004886 head movement Effects 0.000 claims description 2
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- 238000005457 optimization Methods 0.000 abstract description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/64—Treatment of workpieces or articles after build-up by thermal means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/70—Gas flow means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/90—Means for process control, e.g. cameras or sensors
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- 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
- B33Y10/00—Processes of additive manufacturing
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- 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
-
- 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 invention discloses an environment-adjustable laser additive manufacturing liquid supply system and a process flow method thereof. The method has the advantages that the precise regulation and control of the environmental solution medium and the real-time quenching treatment of the sedimentary layer are realized, the formation of metallurgical defects of a molten pool in the laser material-increasing process is effectively controlled, the laser material-increasing manufacturing is carried out in a certain solution medium environment through control, the precise regulation and control of the environmental solution medium and the real-time quenching treatment of the sedimentary layer are realized, the formation of the metallurgical defects of the molten pool in the laser material-increasing process is effectively controlled, the internal metallurgical bonding quality of materials is improved, the design and optimization of structural members aiming at target service conditions are improved, the printing times of material-increasing manufacturing are reduced, the production efficiency is improved, and the production cost is reduced.
Description
Technical Field
The invention relates to the technical field of laser processing and manufacturing, in particular to an environment-adjustable laser additive manufacturing liquid supply system and a process method thereof.
Background
The laser cladding technology is an advanced material surface modification technology, has the characteristics of high cooling speed, low coating dilution rate, wide cladding material and easy realization of automation, and is widely applied to structural repair.
However, in the laser cladding process, laser energy mainly acts on a molten pool on the surface of the substrate, so that the heat input of the laser energy to the substrate is increased, and larger stress and cracks can be caused. In the prior art, the problems that the service performance of the material in an extreme environment is obviously reduced, the product quality, the yield and the market application are influenced due to the internal metallurgical defects of the conventional atmosphere surrounding laser additive manufacturing component exist.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an environment-adjustable laser additive manufacturing liquid supply system and a technological process method thereof, which realize the precise regulation and control of an environment solution medium and the real-time quenching treatment of a sedimentary layer, effectively control the formation of metallurgical defects of a molten pool in the laser additive manufacturing process, realize the precise regulation and control of the environment solution medium and the real-time quenching treatment of the sedimentary layer by controlling the laser additive manufacturing in a certain solution medium environment, effectively control the formation of metallurgical defects of the molten pool in the laser additive manufacturing process, improve the metallurgical bonding quality in materials, improve the design and optimization of structural members aiming at target service working conditions, reduce the printing times of additive manufacturing, improve the production efficiency and reduce the production cost.
In order to achieve the above purpose, the invention adopts the following technical scheme:
An environment-adjustable laser additive manufacturing liquid supply system comprises a solution construction system, a solution conveying and regulating system, a waste liquid collecting and circulating system, a cladding layer quenching treatment device, a quenching liquid supply system, an experiment cabin system, a gas supply system and a cladding head moving and protecting device;
The solution construction system provides mixed solution, the mixed solution enters the experiment cabin main body through a solution feed port of the experiment cabin system through a solution conveying pipeline in the solution conveying and regulating system, a waste liquid discharge port is arranged at the bottom of the experiment cabin system, waste liquid in the experiment cabin enters a waste liquid collecting and circulating system through the waste liquid discharge port, the cladding layer quenching treatment device and the quenching liquid supply system comprise a cladding layer quenching treatment device, a quenching liquid channel and a protective air curtain channel are arranged at the top of the cladding layer quenching treatment device, the quenching liquid channel is positioned at the outer side of the protective air curtain channel, the cladding head moving and protecting device is positioned in the experiment cabin main body, quenching liquid is conveyed into the cladding head moving and protecting device through the quenching liquid conveying pipeline in the cladding layer quenching treatment device and the quenching liquid supply system, and protecting gas enters the cladding head moving and protecting device through a protecting air pipeline in the air supply system;
The solution construction system can provide solution medium with special properties for the laser material adding system, the solution conveying and regulating system can realize stable conveying of solution and accurate regulation according to feedback, the waste liquid collecting and circulating system can collect waste liquid in the experiment cabin and can realize recycling of the solution medium in the experiment cabin in the processing process, the cladding layer quenching treatment device and the quenching liquid supply system are used for carrying out quenching treatment on the cladding layer and protecting a cladding processing area, providing quenching liquid for the cladding layer quenching device and controlling the flow of the quenching liquid in real time, the experiment cabin system can hold the solution to provide a specific solution environment for the laser material adding system, the gas supply system can provide gas with special components for the laser material adding process to form a local dry area and provide protective atmosphere for the cladding layer quenching treatment device, and the cladding head moving and protecting device can be used for controlling movement in the cladding head processing process and forming local dry area protection in the solution environment so as to realize laser cladding head protection.
In some embodiments, the solution building system includes a number of liquid reservoirs, filters, water pumps, motorized flow valves, and solution mixing tanks;
The liquid storage tank is used for storing solutions to be mixed with different properties, the solutions to be mixed are filtered by the filter and then are conveyed to the solution mixing tank by the water pump, the electric flow valve is positioned at the inlet of the solution mixing tank to control the flow of each solution to be mixed, and the solution mixing device is arranged inside the solution mixing tank;
The filter is used for filtering impurities in the solution to be mixed, the water pump is used for conveying the filtered solution to be mixed to the solution mixing tank, the electric flow valve is used for controlling flow of each solution entering the solution mixing tank and matched with feedback information of the solution state sensor in the experiment cabin, accurate control of solution properties is achieved, and the solution mixing tank is internally provided with a solution mixing device for mixing the solutions to obtain the solution with specific properties.
In some embodiments, the solution delivery and conditioning system includes a shut-off valve, a filter, a water pump, a one-way valve, a tee, a flow meter, a temperature sensor, and a temperature control device;
The mixed solution provided by the solution construction system passes through a stop valve and then reaches a filter, the filtration is completed in the filter, the filtered mixed solution passes through a one-way valve, a three-way pipe, a flowmeter, a temperature sensor and a temperature control device under the action of a water pump, and finally enters the experiment cabin system at a solution inlet of the experiment cabin main body;
the stop valve is used for controlling the closing of the solution conveying pipeline and switching the working state, the water pump is used for conveying the mixed solution or the solution which is circularly used after being filtered in the processing process into the experiment cabin, the one-way valve is used for controlling the flowing direction of the solution in the pipeline, the reverse flow of the solution is avoided, the three-way pipe is used for changing the flowing direction, the flowmeter is used for monitoring the flow rate of the solution in the pipeline, the temperature sensor is used for monitoring the temperature information of the solution in the conveying pipeline and is jointly fed back to the temperature control device in combination with the monitoring information of the solution sensor in the experiment cabin, and the temperature control device can be used for realizing the injection of the solution with specific temperature into the experiment cabin and the real-time control of the temperature of the solution in the pipeline according to the set value or the monitoring information jointly fed back by the solution state sensor and the temperature sensor, so that the temperature fluctuation of the solution in the experiment cabin caused by the solution circulation in the processing process is reduced.
In some embodiments, the waste collection and recycling system includes a waste collection system and a waste recycling system;
The waste liquid collecting system comprises a waste liquid collecting pipeline, an electric flow valve, a filter, a water pump and a waste liquid collecting tank;
The waste liquid discharged from the waste liquid discharge port of the experiment cabin system is filtered by a filter after passing through an electric flow valve to obtain waste liquid filtered for the first time, the waste liquid filtered for the first time enters a waste liquid collecting tank along a waste liquid collecting pipeline under the action of a water pump, a filtering device is arranged in the waste liquid collecting tank, and the waste liquid filtered for the first time is collected after being filtered for the second time;
The electric flow valve is used for accurately controlling the flow rate of the solution in the waste liquid collecting pipeline, the filter is used for preliminarily filtering impurities which are generated due to laser processing and enter the solution environment, the water pump is used for conveying the waste liquid to the waste liquid collecting tank, the waste liquid collecting tank is used for collecting the waste liquid after secondary filtration, and the waste liquid collecting tank is internally provided with the filtering device for secondarily filtering other impurities in the waste liquid;
The waste liquid circulation system comprises a waste liquid circulation pipeline, an electric flow valve, a water pump and a one-way valve; the waste liquid circulation pipeline is used for circulating waste liquid, and the waste liquid in the waste liquid collection tank passes through the waste liquid circulation pipeline, reaches the electric flow valve and then returns to the solution conveying and regulating system through the one-way valve under the action of the water pump;
the electric flow valve is used for controlling the starting of the waste liquid circulation function and controlling the flow of the solution, the water pump is used for conveying the filtered waste liquid in the waste liquid collecting tank to the solution conveying and regulating system, and the one-way valve is used for avoiding the countercurrent of the waste liquid circulation system.
In some embodiments, the cladding layer quench treatment apparatus and the quench liquid supply system further comprise a quench liquid supply system; the quenching liquid channel is used for spraying quenching liquid onto the cladding layer to realize quenching treatment of the cladding layer, and the protective air curtain channel is used for providing a certain protective atmosphere to reduce the influence of the quenching liquid on the area being subjected to cladding processing;
The quenching liquid supply system comprises a quenching liquid storage tank, a quenching liquid conveying pipeline, a filter, a water pump and an electric flow valve;
the quenching liquid is stored in a quenching liquid storage tank, filtered by a filter, and enters a cladding layer quenching treatment device through a quenching liquid conveying pipeline and an electric flow valve under the action of a water pump;
The quenching liquid conveying pipeline is used for conveying quenching liquid, the filter is used for filtering impurities in the quenching liquid, the water pump is used for conveying the quenching liquid in the quenching liquid storage tank to the cladding layer quenching treatment device, and the electric flow valve can accurately control the flow of the quenching liquid according to the temperature and the morphology of the cladding layer so as to obtain the optimal quenching treatment effect.
In some embodiments, the top of the cladding layer quenching device is also provided with a plurality of bolt holes, a quenching liquid pipeline and a protection gas pipeline, the cladding layer quenching device is connected with the sealing barrel through bolt fastening, and the quenching liquid conveying pipeline penetrates through the sealing barrel and is connected with the quenching liquid pipeline at the top of the cladding layer quenching device.
In some embodiments, the laboratory cabin system comprises a laboratory cabin body, a laboratory cabin cover, a solution inlet, a quench liquid inlet, a waste liquid outlet, an air inlet, an air outlet, a radar level gauge, and a solution state sensor;
The experiment cabin main part is equipped with solution inlet, quenching liquid inlet and waste liquid leakage fluid dram, provides mixed solution by solution construction system and gets into from solution inlet, the quenching liquid that quenching liquid feed system provided by quenching liquid inlet gets into, and waste liquid in the experiment cabin main part passes through the waste liquid leakage fluid dram and discharges, and the experiment cabin cover is located the upper portion of experiment cabin main part, and the experiment cabin cover top is opened there is the gas vent for adjust cabin internal pressure and gas vent top and be equipped with discharge valve, and the radar level gauge sets up in experiment cabin cover top and is used for real-time supervision cabin internal solution liquid level, and solution state sensor installs in experiment cabin main part inner wall for the temperature of solution, pH etc. information and with monitoring information real-time feedback feed control system in the monitoring environment.
In some embodiments, the gas supply system includes a set of vented gas cylinders, a set of shielding gas cylinders, a gas supply valve, a vent gas line, and a shielding gas line;
The liquid discharge gas cylinder group is used for conveying the high-pressure gas source to the cladding head moving and protecting device through a liquid discharge gas pipeline by the gas supply valve, and the protecting gas stored in the protecting gas cylinder group is conveyed to the cladding head moving and protecting device through the gas supply valve and the protecting gas pipeline.
The liquid discharge gas cylinder group provides a high-pressure gas source for a liquid discharge cover in the moving and protecting device of the cladding head, the protecting gas cylinder group provides protecting gas for a protecting gas curtain channel of the cladding layer quenching device, a gas supply valve can adjust the pressure and flow of a gas supply pipeline, the liquid discharge pipeline penetrates through the experiment cabin main body and is connected with the liquid discharge cover, the protecting gas pipeline penetrates through the experiment cabin main body and is connected with a protecting gas pipeline at the top of the cladding layer quenching device after penetrating through a sealing barrel, and sealing is arranged between the liquid discharge pipeline and the experiment cabin main body, between the protecting gas pipeline and the experiment cabin main body and between the protecting gas pipeline and the sealing barrel.
In some embodiments, the cladding head movement and protection device comprises a manipulator, a sealed bucket, and a drain cover;
One end of the manipulator is fixed on the inner wall of the experiment cabin main body, the other end of the manipulator is connected with the sealing barrel, the tail end of the manipulator can execute a multi-degree-of-freedom motion track, the sealing barrel is used for sealing the laser head to isolate the laser head from a solution environment, the laser head is prevented from being contacted with the solution environment, and the liquid draining cover can form a local dry area in the solution environment;
an infrared detector and a high-definition camera are arranged on the inner wall of the liquid discharge cover;
The infrared detector is used for monitoring the center temperature of the molten pool, the high-definition camera is used for observing the morphology of the cladding layer, and the opening of the electric flow valve is controlled according to the temperature information fed back by the infrared detector and the morphology of the cladding layer observed by the high-definition camera, so that the flow of quenching liquid is controlled, and better cladding quality is achieved through the optimal quenching effect.
An environment-adjustable laser additive manufacturing liquid supply system process flow method comprises the following steps:
S1, adjusting a laser material adding device to a normal working position, opening an air supply valve of a liquid discharge air bottle group, adjusting the air supply valve to proper pressure and flow, and spraying air from an air passage outlet at the bottom of a liquid discharge cover to form a stable high-pressure liquid discharge air curtain so as to discharge a solution in a region to be processed to generate a local dry region;
s2, placing the solutions to be mixed in a liquid storage tank, adjusting the opening of an electric flow valve according to requirements, starting a water pump, conveying the solutions to be mixed into a solution mixing tank, starting a solution mixing device in the solution mixing tank, and mixing the solutions to obtain a mixed solution;
s3, after the solutions are mixed, starting a stop valve and a water pump in a solution conveying and regulating system, setting a target temperature of the solution in the experiment cabin, starting a temperature control device, injecting the mixed solution into the experiment cabin, starting a radar level gauge, and monitoring the liquid level information in the experiment cabin in real time to control the flow rate of the solution in a solution conveying pipeline;
S4, opening an air supply valve of the protective gas cylinder group and adjusting the air supply valve to proper pressure and flow, and spraying protective gas from an outlet of a protective gas curtain channel at the bottom of the cladding layer quenching treatment device to form a protective gas curtain, so that the influence of quenching liquid on a processing area is reduced;
s5, adjusting an electric flow valve of a quenching liquid supply system and starting a water pump, wherein quenching liquid is sprayed out from an outlet of a quenching liquid channel at the bottom of the cladding layer quenching treatment device so as to realize quenching cooling of the cladding layer;
S6, closing a stop valve and a water pump in a solution conveying and regulating system after the solution in the cabin reaches the specified liquid level height, operating a laser additive manufacturing system, performing laser cladding work in a special solution environment, injecting exhaust gas and protective gas into the experiment cabin in the laser cladding process, and controlling the pressure in the experiment cabin by adjusting an exhaust valve on the experiment cabin cover;
S7, controlling the opening degree of the electric flow valve supplied by the quenching liquid in real time according to the molten pool center temperature information fed back by the infrared detector on the liquid discharge cover and the appearance of the cladding layer observed by the high-definition camera while performing laser cladding operation, and further regulating the flow of the quenching liquid in real time according to the heat accumulation condition of the cladding layer and the appearance of the cladding layer;
S8, operating a waste liquid collecting and circulating system while performing laser cladding operation, opening an electric flow valve and a water pump in a waste liquid collecting pipeline, and opening the electric flow valve and the water pump in a waste liquid circulating pipeline, wherein a temperature control device automatically adjusts the temperature of a solution in a solution conveying pipeline according to feedback information of a solution state sensor and a temperature sensor in the waste liquid circulating process, so that the environmental temperature of the solution in an experiment cabin is ensured to be stable;
S9, adjusting the opening of the electric flow valve according to the fluctuation condition of the liquid level in the experimental cabin monitored by the radar liquid level meter, so as to ensure the stability of the liquid level of the solution in the experimental cabin;
S10, after the laser cladding work is finished, a water pump and an electric flow valve of a quenching liquid supply system are closed, an air supply valve of a protective air cylinder group is closed, a temperature control device is closed, the electric flow valve and the water pump in a waste liquid circulation pipeline are closed, and waste liquid in the experiment cabin is conveyed to a waste liquid collecting tank. After all the waste liquid in the experiment cabin is conveyed to the waste liquid collecting tank, the air supply valve of the liquid discharge air bottle group is closed, and the electric flow valve and the water pump in the waste liquid collecting pipeline are closed.
The invention has the beneficial effects that:
(1) The invention can construct an environment-adjustable laser additive manufacturing environment, adopts a solution construction system capable of accurately regulating and controlling the mixing proportion of different solutions and an automatic temperature regulating function, can construct different solution environments according to requirements, effectively regulates and controls the formation of defects in the molten pool metallurgical process, and can obviously improve the internal metallurgical bonding quality and mechanical property of additive manufacturing materials.
(2) The invention can realize real-time quenching treatment of the cladding layer, designs and uses the cladding layer quenching treatment device and the quenching liquid supply system, can regulate the flow of the quenching liquid in real time according to the feedback information of the infrared detector and the high-definition camera, and simultaneously protects the air curtain, can avoid the influence of the quenching liquid on the processing area, and remarkably improves the quality and performance of the formed part.
(3) The waste liquid collecting and circulating system has the functions of filtering and purifying the solution in the experiment cabin and recycling, can be used as a waste liquid collecting device when the circulating system does not work, can filter and purify the solution in the experiment cabin and inject the solution into the solution conveying and regulating system for recycling, on one hand, the method can effectively reduce impurities in the solution in the experiment cabin to ensure the stability of the solution environment so as to obtain better laser cladding effect, on the other hand, the method can effectively reduce the experiment processing cost and improve the economic benefit of formed parts when the solution is recycled.
(4) The technical scheme of the invention can realize the precise regulation and control of the environmental solution medium and the real-time quenching treatment of the sedimentary deposit, ensure the forming quality and performance, shorten the operation time and reduce the operation cost, and is easy to realize mechanization and automation in the whole process.
Drawings
FIG. 1 is a schematic diagram of an environment-adjustable laser additive manufacturing liquid supply system according to the present invention;
FIG. 2 is a schematic view of the quench liquid and shielding gas curtain passages of the cladding quench treatment apparatus of the present invention;
FIG. 3 is a front view of a quenching apparatus for a clad layer according to the present invention.
Reference numerals illustrate:
1. a solution construction system; 2. a solution delivery and control system; 3. a waste liquid collecting and circulating system; 4. a cladding layer quenching treatment device and a quenching liquid supply system; 5. an experiment cabin system; 6. an air supply system; 7. a cladding head moving and protecting device;
101. A liquid storage tank; 102. a solution to be mixed; 103. a solution delivery line to be mixed; 104. a first filter; 105. a first water pump; 106. an electric flow valve I; 107. a solution mixing tank; 108. a solution mixing device; 109. mixing the solutions;
201. a solution delivery line; 202. a stop valve; 203. a second filter; 204. a second water pump; 205. a first check valve; 206. a three-way pipe; 207. a flow meter; 208. a temperature sensor; 209. a temperature control device;
301. An electric flow valve II; 302. a third filter; 303. a water pump III; 304. a waste liquid collection line; 305. waste liquid; 306. a filtering device; 307. a waste liquid collection tank; 308. a waste liquid circulation line; 309. an electric flow valve III; 310. a water pump IV; 311. a second check valve;
401. A quenching liquid channel; 402. a protective air curtain channel; 403. bolt holes; 404. a shielding gas conduit; 405. a quenching liquid pipeline; 406. a quenching liquid storage tank; 407. quenching liquid; 408. a fourth filter; 409. a water pump V; 410. a quenching liquid conveying pipeline; 411. an electric flow valve IV;
501. a radar level gauge; 502. an experiment hatch cover; 503. an exhaust valve; 504. an exhaust port; 505. an experiment cabin main body; 506. a waste liquid outlet; 507. a substrate; 508. a solution; 509. a solution state sensor; 510. a solution inlet; 511. a quenching liquid inlet;
601. a liquid discharge gas cylinder group; 602. a protective gas cylinder group; 603. an air supply valve; 604. a shielding gas line; 605. a liquid discharge gas line;
701. A manipulator; 702. sealing the barrel; 703. a liquid discharge cover; 704. an infrared detector; 705. high definition camera.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings, by way of which the embodiments are described for the purpose of illustrating the invention and are not to be construed as limiting the invention.
As shown in fig. 1, an environment-adjustable laser additive manufacturing liquid supply system comprises a solution construction system 1, a solution conveying and regulating system 2, a waste liquid collecting and circulating system 3, a cladding layer quenching treatment device and quenching liquid supply system 4, an experiment cabin system 5, an air supply system 6 and a cladding head moving and protecting device 7;
The solution construction system 1 provides a mixed solution 109, the mixed solution 109 enters the experiment cabin main body 505 from the solution inlet 510 of the experiment cabin system 5 through the solution conveying pipeline 201 in the solution conveying and regulating system 2, the bottom of the experiment cabin system 5 is provided with a waste liquid outlet 506, waste liquid in the experiment cabin enters the waste liquid collecting and circulating system 3 through the waste liquid outlet 506, the cladding head moving and protecting device 7 is positioned in the experiment cabin main body 505, quenching liquid is conveyed into the cladding head moving and protecting device 7 through the quenching liquid conveying pipeline 410 in the cladding layer quenching treatment device and the quenching liquid supply system 4, and protecting gas enters the cladding head moving and protecting device 7 through the protecting gas pipeline 604 in the gas supply system 6.
The solution construction system 1 can provide solution medium with special properties for a laser material adding system, the solution conveying and regulating system 2 can realize stable conveying of mixed solution 109 and accurate regulation according to feedback, the waste liquid collecting and circulating system 3 can collect waste liquid 305 in the experiment cabin system 5 and can realize recycling of the solution medium in the experiment cabin system 5 in the processing process, the cladding layer quenching treatment device and the quenching liquid supply system 4 are used for carrying out quenching treatment on the cladding layer and protecting a cladding processing area, the quenching liquid 407 is provided for the cladding layer quenching device, the flow of the quenching liquid 407 is controlled in real time, the experiment cabin system 5 can contain the solution 508 to provide a special solution environment for the laser material adding system, the gas supply system can provide gas with special components for the laser material adding process to form a local dry area and provide protective atmosphere for the cladding layer quenching treatment device, and the cladding head moving and protecting device 7 can be used for controlling movement in the cladding head processing process and forming local dry area protection in the solution environment so as to form a laser cladding head.
The solution construction system 1 comprises a plurality of liquid storage tanks 101, a first filter 104, a first water pump 105, a first electric flow valve 106 and a solution mixing tank 107;
The liquid storage tank 101 is used for storing solutions 102 to be mixed with different properties, the solutions 102 to be mixed enter the first filter 104 along the first solution conveying pipeline 103 to be mixed and are conveyed to the solution mixing tank 107 by the first water pump 105 after being filtered, the first electric flow valve 106 is positioned at the inlet of the solution mixing tank 107 to control the flow of each solution 102 to be mixed, and the solution mixing tank 107 is internally provided with a solution mixing device 108;
The first filter 104 is used for filtering impurities in the solution 102 to be mixed, the first water pump 105 is used for conveying the filtered solution 102 to the solution mixing tank 107, the first electric flow valve 106 is used for controlling flow of each solution entering the solution mixing tank 107 and feeding back information by matching with the solution state sensor 509 in the experiment cabin, accurate control of the properties of the solution is achieved, and the solution mixing device 108 is arranged in the solution mixing tank 107 and used for mixing the solutions to obtain the solution with specific properties.
The solution conveying and regulating system 2 comprises a stop valve 202, a second filter 203, a second water pump 204, a first check valve 205, a three-way pipe 206, a flowmeter 207, a temperature sensor 208 and a temperature control device 209;
The mixed solution 109 provided by the solution construction system 1 passes through the stop valve 202 and then reaches the second filter 203, the filtration is completed in the second filter 203, and the filtered mixed solution enters the experiment cabin system 5 through the first one-way valve 205, the three-way pipe 206, the flow meter 207, the temperature sensor 208 and the temperature control device 209 under the action of the second water pump 204 and finally enters the experiment cabin body 505 at the solution inlet 510;
The stop valve 202 is used for controlling the closing of the solution conveying pipeline 201, switching the working state, the second filter 203 is used for filtering the mixed solution, the second water pump 204 is used for conveying the mixed solution or the solution circularly used after filtering in the processing process into the experiment cabin, the first one-way valve 205 is used for controlling the flowing direction of the solution in the pipeline, the reverse flow of the solution is avoided, the three-way pipe 206 is used for changing the fluid direction, the flowmeter 207 is used for monitoring the flow of the solution in the pipeline, the temperature sensor 208 is used for monitoring the temperature information of the solution in the conveying pipeline and is combined with the monitoring information of the solution state sensor 509 in the experiment cabin to feed back to the temperature control device 209 together, and the temperature control device 209 can realize the injection of the solution with specific temperature into the experiment cabin and the real-time control of the temperature of the solution in the pipeline according to the set value or the monitoring information commonly fed back by the solution state sensor 509 and the temperature sensor 208 in the experiment cabin, so as to reduce the temperature fluctuation of the solution in the experiment cabin caused by the solution circulation in the processing process.
The waste liquid collecting and circulating system 3 comprises a waste liquid collecting system and a waste liquid circulating system;
The waste liquid collecting system comprises a waste liquid collecting pipeline 304, an electric flow valve II 301, a filter III 302, a water pump III 303 and a waste liquid collecting tank 307;
The waste liquid 305 discharged from the waste liquid discharge port 506 of the experiment cabin system 5 is filtered by the electric flow valve II 301 and then filtered by the filter III 302 to obtain first filtered waste liquid, the first filtered waste liquid enters the waste liquid collecting tank 307 along the waste liquid collecting pipeline 304 under the action of the water pump III 303, a filtering device 306 is arranged in the waste liquid collecting tank 307, and the first filtered waste liquid is collected after being filtered for the second time;
The second electric flow valve 301 is used for precisely controlling the flow rate of the solution in the waste liquid collecting pipeline 304, the third filter 302 is used for preliminarily filtering impurities generated by laser processing and entering the solution environment, the third water pump 303 is used for conveying the waste liquid to the waste liquid collecting tank 307, the waste liquid collecting tank 307 is used for collecting the waste liquid after secondary filtration, and the waste liquid collecting tank 307 is internally provided with a filtering device 306 for secondarily filtering other impurities in the waste liquid;
The waste liquid circulation system comprises a waste liquid circulation pipeline 308, an electric flow valve III 309, a water pump IV 310 and a check valve II 311; the waste liquid circulation pipeline 308 is used for circulating waste liquid, and the waste liquid in the waste liquid collection tank 307 passes through the waste liquid circulation pipeline 308, reaches the third electric flow valve 309 and then returns to the solution conveying and regulating system 2 through the second check valve 311 under the action of the fourth water pump 310;
The third electric flow valve 309 is used for controlling the starting of the waste liquid circulation function and controlling the flow of the solution, the fourth water pump 310 is used for conveying the waste liquid 305 filtered in the waste liquid collecting tank 307 to the solution conveying and regulating system 2, and the second check valve 311 is used for avoiding the reverse flow of the waste liquid circulation system.
The cladding layer quenching treatment device and the quenching liquid supply system 4 comprise a cladding layer quenching treatment device and a quenching liquid supply system;
As can be seen from fig. 2, the top of the cladding quenching device is provided with a quenching liquid channel 401 and a protective air curtain channel 402, and the quenching liquid channel 401 is positioned outside the protective air curtain channel 402;
The quenching liquid channel 401 is used for spraying the quenching liquid 407 onto the cladding layer to realize quenching treatment of the cladding layer, the protection air curtain channel 402 is used for providing a certain protective atmosphere, and the influence of the quenching liquid 407 on the area in which cladding processing is performed is reduced;
the quenching liquid supply system comprises a quenching liquid storage tank 406, a quenching liquid conveying pipeline 410, a filter IV 408, a water pump V409 and an electric flow valve IV 411; the quenching liquid 407 is stored in a quenching liquid storage tank 406, and after being filtered by a filter IV 408, the quenching liquid 407 enters a cladding layer quenching treatment device through a quenching liquid conveying pipeline 410 and an electric flow valve IV 411 under the action of a water pump IV 409;
The quenching liquid conveying pipeline 410 is used for conveying the quenching liquid 407, the filter IV 408 is used for filtering impurities in the quenching liquid 407, the water pump IV 409 is used for conveying the quenching liquid 407 in the quenching liquid storage tank 406 to a cladding layer quenching treatment device, and the electric flow valve IV 411 can precisely control the flow of the quenching liquid 407 according to the temperature and the morphology of the cladding layer so as to obtain the optimal quenching treatment effect.
As can be seen in conjunction with fig. 3, the top of the cladding layer quenching device is further provided with a plurality of bolt holes 403, a quenching liquid pipeline 405 and a protective gas pipeline 404, the cladding layer quenching device is connected with the sealing barrel 702 through bolt fastening, and the quenching liquid conveying pipeline 410 passes through the sealing barrel 702 and is connected with the quenching liquid pipeline 405 at the top of the cladding layer quenching device.
The experiment cabin system comprises an experiment cabin main body 505, an experiment cabin cover 502, a solution inlet 510, a quenching liquid inlet 511, a waste liquid outlet 506, an exhaust port 504, a radar level gauge 501 and a solution state sensor 509;
The experiment cabin main part is equipped with solution inlet 510, quenching liquid inlet 511 and waste liquid leakage fluid outlet 506, and experiment cabin cover 502 is located the upper portion of experiment cabin main part 505, and experiment cabin cover 502 top is opened there is gas vent 504 for adjust the intra-cabin pressure and gas vent 504 top is equipped with discharge valve 503, and radar level gauge 501 sets up and is used for real-time supervision intra-cabin solution 508 liquid level in experiment cabin cover 502 top, and solution state sensor 509 installs in the experiment cabin main part 505 inner wall be arranged in monitoring temperature, the information such as pH of solution 508 in the environment and with monitoring information real-time feedback to control system.
The gas supply system comprises a liquid discharge gas cylinder group 601, a protective gas cylinder group 602, a gas supply valve 603, a liquid discharge gas pipeline 605 and a protective gas pipeline 604;
The liquid discharge gas cylinder group 601 transmits a high-pressure gas source to the cladding head moving and protecting device 7 through a liquid discharge gas pipeline 605 by an air supply valve 603, and the protecting gas stored in the protecting gas cylinder group 602 is transmitted to the cladding head moving and protecting device 7 through a protecting gas pipeline 604 by the air supply valve 603;
The liquid discharge gas cylinder group 601 provides a high-pressure gas source for the movement of the cladding head and the creation of a local dry area of a liquid discharge cover 703 in a protecting device 7, the protecting gas cylinder group 602 provides protecting gas for a protecting gas curtain channel 402 of the cladding layer quenching device, a gas supply valve 603 can adjust the pressure and flow of a gas supply pipeline, a liquid discharge pipeline 605 passes through the experiment cabin body 505 and is connected with the liquid discharge cover 703, a protecting gas pipeline 604 passes through the experiment cabin body 505 and passes through a sealing barrel 702 and is connected with a protecting gas pipeline 404 at the top of the cladding layer quenching device, and a sealing is arranged between the liquid discharge pipeline 605 and the experiment cabin body 505, the protecting gas pipeline 604 and the experiment cabin body 505 and the sealing barrel 702.
The cladding head moving and protecting device 7 comprises a manipulator 701, a sealing barrel 702 and a liquid discharging cover 703;
One end of the manipulator 701 is fixed on the inner wall of the experiment cabin body 505, the other end of the manipulator is connected with the sealing barrel 702, the tail end of the manipulator 701 can execute a multi-degree-of-freedom motion track, the sealing barrel 702 is used for sealing the laser head to isolate the laser head from a solution environment, the laser head is prevented from contacting the solution environment, and the liquid discharge cover 703 can form a local dry area in the solution environment;
An infrared detector 704 and a high-definition camera 705 are arranged on the inner wall of the liquid discharge cover 703;
The infrared detector 704 is used for monitoring the center temperature of the molten pool, the high-definition camera 705 is used for observing the morphology of the cladding layer, and the opening of the electric flow valve four 411 is controlled according to the temperature information fed back by the infrared detector 704 and the morphology of the cladding layer observed by the high-definition camera 705, so that the flow of the quenching liquid 407 is controlled, and better cladding quality is achieved through the optimal quenching effect.
An environment-adjustable laser additive manufacturing liquid supply system process flow method comprises the following steps:
S1, adjusting a laser material adding device to a normal working position, opening an air supply valve 603 of a liquid discharge air bottle group 601, adjusting the pressure and the flow to be proper, and spraying air from an air passage outlet at the bottom of a liquid discharge cover 703 to form a stable high-pressure liquid discharge air curtain so as to discharge a solution in a region to be processed to generate a local dry region;
S2, placing each solution 102 to be mixed in a liquid storage tank 101, adjusting the opening of a first electric flow valve 106 according to requirements, starting a first water pump 105, conveying the solution 102 to be mixed into a solution mixing tank 107, starting a solution mixing device 108 in the solution mixing tank 107, and mixing the solutions to obtain a mixed solution 109;
S3, after the solutions are mixed, a stop valve 202 and a water pump II 204 in the solution conveying and regulating system 2 are opened, the target temperature of the solution in the experiment cabin is set, a temperature control device 209 is started, the mixed solution 109 is injected into the experiment cabin, a radar liquid level gauge 501 is started, and the liquid level information in the experiment cabin is monitored in real time to control the flow rate of the solution in the solution conveying pipeline 201;
S4, opening an air supply valve 603 of the protective gas cylinder group 602, adjusting the pressure and the flow to be proper, and spraying protective gas from an outlet of a protective gas curtain channel 402 at the bottom of the cladding layer quenching treatment device to form a protective gas curtain, so that the influence of quenching liquid 407 on a processing area is reduced;
S5, adjusting an electric flow valve IV 411 of a quenching liquid supply system, and starting a water pump IV 409, wherein quenching liquid 407 is sprayed out from an outlet of a quenching liquid channel 401 at the bottom of the cladding layer quenching treatment device so as to realize quenching cooling of the cladding layer;
S6, after the solution 508 in the cabin reaches the specified liquid level height, closing a stop valve 202 and a water pump II 204 in the solution conveying and regulating system 2, operating a laser additive manufacturing system, performing laser cladding work in a special solution environment, wherein exhaust gas and protective gas are injected into the experiment cabin in the laser cladding process, and controlling the pressure in the experiment cabin by regulating an exhaust valve 503 on an experiment cabin cover 502;
S7, controlling the opening of the electric flow valve IV 411 supplied by the quenching liquid 407 in real time according to the molten pool center temperature information fed back by the infrared detector 704 on the liquid discharge cover 703 and the appearance of the cladding layer observed by the high-definition camera 705 while performing laser cladding operation, and further regulating the flow of the quenching liquid 407 in real time according to the heat accumulation condition of the cladding layer and the appearance of the cladding layer;
s8, operating the waste liquid collecting and circulating system 3 while performing laser cladding operation, opening an electric flow valve II 301 and a water pump III 303 in a waste liquid collecting pipeline 304, opening an electric flow valve III 309 and a water pump IV 310 in a waste liquid circulating pipeline, and automatically regulating the temperature of the solution in the solution conveying pipeline 201 by a temperature control device 209 according to feedback information of a solution state sensor 509 and a temperature sensor 208 in the waste liquid circulating process to ensure that the environmental temperature of the solution in an experiment cabin is stable;
S9, adjusting the opening of the electric flow valve II 301 according to the fluctuation condition of the liquid level in the experimental cabin monitored by the radar liquid level meter 501, and ensuring the stability of the liquid level of the solution 508 in the experimental cabin;
S10, after the laser cladding work is finished, a water pump five 409 and an electric flow valve four 411 of a quenching liquid supply system are closed, an air supply valve 603 of a protective air bottle group 602 is closed, a temperature control device 209 is closed, an electric flow valve three 309 and a water pump four 310 in a waste liquid circulation pipeline 308 are closed, and waste liquid 305 in an experiment cabin is conveyed into a waste liquid collection tank 307. After all the waste liquid 305 in the cabin to be tested is conveyed to the waste liquid collecting tank 307, the air supply valve 603 of the liquid discharge air bottle group 601 is closed, and the electric flow valve II 301 and the water pump III 303 in the waste liquid collecting pipeline 304 are closed.
In the processing process, if the properties (temperature, pH and the like) of the solution 508 in the experiment cabin need to be changed, the solution construction system 1 and the solution conveying and regulating system 2 can be operated again, and the mixing proportion and the temperature of different solutions can be regulated according to the requirements so as to change the properties of the solution 508 in the environment.
The foregoing is merely some embodiments of the present invention and is not intended to limit the present invention. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined in the appended claims and their equivalents. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate.
Claims (9)
1. The environment-adjustable laser additive manufacturing liquid supply system is characterized by comprising a solution construction system, a solution conveying and regulating system, a waste liquid collecting and circulating system, a cladding layer quenching treatment device, a quenching liquid supply system, an experiment cabin system, an air supply system and a cladding head moving and protecting device;
The solution construction system provides mixed solution, the mixed solution enters the experiment cabin main body through a solution conveying pipeline in the solution conveying and regulating system, a waste liquid outlet is arranged at the bottom of the experiment cabin system, waste liquid in the experiment cabin main body enters the waste liquid collecting and circulating system through the waste liquid outlet, a quenching liquid channel and a protective gas curtain channel are arranged at the top of the quenching treatment device of the cladding layer, protective gas is sprayed out through an outlet of the protective gas curtain channel to form a protective gas curtain, the quenching liquid channel surrounds the outer side of the protective gas curtain channel, the cladding head moving and protecting device is positioned in the experiment cabin main body, the quenching liquid is conveyed into the cladding head moving and protecting device through the quenching liquid conveying pipeline in the quenching liquid supplying system and the quenching liquid quenching treatment device, and the protective gas enters the cladding head moving and protecting device through the protective gas pipeline in the gas supply system;
Wherein the waste liquid collecting and circulating system comprises a waste liquid collecting system and a waste liquid circulating system;
The waste liquid collecting system comprises a waste liquid collecting pipeline, an electric flow valve II, a filter III, a water pump III and a waste liquid collecting tank;
The waste liquid discharged from the waste liquid discharge port of the experiment cabin system is filtered by a filter III after passing through the electric flow valve II, so that the waste liquid filtered for the first time enters the waste liquid collecting tank along the waste liquid collecting pipeline under the action of the water pump III, and a filtering device is arranged in the waste liquid collecting tank to collect the waste liquid filtered for the first time after the second time is filtered;
the waste liquid circulation system comprises a waste liquid circulation pipeline, an electric flow valve III, a water pump IV and a one-way valve II;
the waste liquid in the waste liquid collecting tank passes through the waste liquid circulating pipeline, reaches the electric flow valve III and then returns to the solution conveying and regulating system through the check valve II under the action of the water pump IV.
2. The system of claim 1, wherein the solution building system comprises a plurality of liquid storage tanks, a first filter, a first water pump, a first electric flow valve and a solution mixing tank;
The liquid storage tank is used for storing solutions to be mixed with different properties, the solutions to be mixed are filtered through the first filter and then conveyed to the solution mixing tank by the first water pump, the first electric flow valve is positioned at the inlet of the solution mixing tank to control the flow of each solution to be mixed, and the solution mixing tank is internally provided with a solution mixing device.
3. The environment-adjustable laser additive manufacturing liquid supply system according to claim 2, wherein the solution conveying and regulating system comprises a stop valve, a second filter, a second water pump, a first check valve, a three-way pipe, a flowmeter, a temperature sensor and a temperature control device;
And the mixed solution provided by the solution construction system passes through the stop valve and then reaches the second filter, the second filter is used for filtering, the filtered mixed solution passes through the first one-way valve, the three-way pipe, the flowmeter, the temperature sensor and the temperature control device under the action of the second water pump, and finally enters the experiment cabin body at a solution inlet of the experiment cabin system.
4. An environmentally adjustable laser additive manufacturing liquid supply system according to claim 3 wherein the cladding head movement and protection device comprises a robot, a sealed bucket, and a liquid discharge hood;
One end of the manipulator is fixed on the inner wall of the experiment cabin main body, the other end of the manipulator is connected with the sealing barrel, the sealing barrel surrounds the laser head, and the liquid draining cover is positioned below the sealing barrel;
And an infrared detector and a high-definition camera are arranged on the inner wall of the liquid discharge cover.
5. An environmentally adjustable laser additive manufacturing liquid supply system according to claim 4, wherein the cladding layer quench treatment apparatus and quench liquid supply system further comprises a quench liquid supply system;
the quenching liquid supply system comprises a quenching liquid storage tank, a quenching liquid conveying pipeline, a filter IV, a water pump V and an electric flow valve IV;
the quenching liquid is stored in the quenching liquid storage tank, filtered by the filter IV, and enters the cladding layer quenching treatment device through the quenching liquid conveying pipeline and the electric flow valve IV under the action of the water pump V.
6. The environment-adjustable laser additive manufacturing liquid supply system according to claim 5, wherein the top of the cladding layer quenching device is further provided with a plurality of bolt holes, a quenching liquid pipeline and a protection gas pipeline, the cladding layer quenching device is fixedly connected with the sealing barrel through bolts, and the quenching liquid conveying pipeline penetrates through the sealing barrel and is connected with the quenching liquid pipeline at the top of the cladding layer quenching device.
7. The environmentally adjustable laser additive manufacturing liquid supply system of claim 6 wherein the experiment compartment system comprises an experiment compartment body, an experiment compartment cover, a solution inlet, a quenching liquid inlet, a waste liquid outlet, an exhaust port, a radar level gauge and a solution state sensor;
The experiment cabin main part is equipped with solution inlet, quenching liquid inlet and waste liquid leakage fluid dram, by solution construction system provide mixed solution follow solution inlet gets into, the quenching liquid that quenching liquid feed system provided by the quenching liquid inlet gets into, waste liquid in the experiment cabin main part passes through the waste liquid leakage fluid dram and discharges, the experiment cabin cover is located the upper portion of experiment cabin main part, the experiment cabin cover top is opened there is the gas vent, the radar level gauge sets up in experiment cabin cover top, solution state sensor installs in experiment cabin main part inner wall.
8. The environmentally adjustable laser additive manufacturing liquid supply system of claim 7 wherein the gas supply system comprises a liquid discharge gas cylinder set, a shielding gas cylinder set, a gas supply valve, a liquid discharge gas line, and a shielding gas line;
The liquid discharge gas cylinder group is used for conveying a high-pressure gas source to the cladding head moving and protecting device through a liquid discharge gas pipeline by a gas supply valve of the liquid discharge gas cylinder group, and protecting gas stored in the protecting gas cylinder group is conveyed to the cladding head moving and protecting device through a gas supply valve of the protecting gas cylinder group by the protecting gas pipeline.
9. A process flow method of the environmentally tunable laser additive manufacturing liquid supply system of claim 8, comprising the steps of:
S1, adjusting a laser material adding device to a normal working position, opening an air supply valve of a liquid discharge air bottle group, adjusting the air supply valve to proper pressure and flow, and spraying air from an air passage outlet at the bottom of a liquid discharge cover to form a stable high-pressure liquid discharge air curtain so as to discharge a solution in a region to be processed to generate a local dry region;
S2, placing the solutions to be mixed in a liquid storage tank, adjusting the opening of a first electric flow valve according to requirements, starting a first water pump, conveying the solutions to be mixed into a solution mixing tank, starting a solution mixing device in the solution mixing tank, and mixing the solutions to obtain a mixed solution;
S3, after the solutions are mixed, a stop valve and a water pump II in the solution conveying and regulating system are started, the target temperature of the solution in the main body of the experiment cabin is set, a temperature control device is started, the mixed solution is injected into the main body of the experiment cabin, a radar liquid level gauge is started, and the liquid level information in the main body of the experiment cabin is monitored in real time to control the flow rate of the solution in the solution conveying pipeline;
S4, opening an air supply valve of the protective gas cylinder group and adjusting the air supply valve to proper pressure and flow, and spraying protective gas from an outlet of a protective gas curtain channel at the bottom of the cladding layer quenching treatment device to form a protective gas curtain, so that the influence of quenching liquid on a processing area is reduced;
s5, adjusting an electric flow valve IV of a quenching liquid supply system and starting a water pump V, and spraying quenching liquid from an outlet of a quenching liquid channel at the bottom of the cladding layer quenching treatment device to realize quenching cooling of the cladding layer;
S6, after the solution in the experiment cabin body reaches the specified liquid level height, closing a stop valve and a water pump II in the solution conveying and regulating system, operating a laser additive manufacturing system, performing laser cladding work in a solution environment, wherein the experiment cabin body is internally provided with liquid discharge gas and protective gas injection in the laser cladding process, and controlling the pressure in the experiment cabin body by adjusting an exhaust valve on an experiment cabin cover;
S7, performing laser cladding operation, and controlling the opening of an electric flow valve IV of the quenching liquid supply system in real time according to molten pool center temperature information fed back by an infrared detector on a liquid discharge cover and the appearance of the cladding layer observed by a high-definition camera, so as to adjust the flow of the quenching liquid in real time according to the heat accumulation condition of the cladding layer and the appearance of the cladding layer;
S8, operating a waste liquid collecting and circulating system while performing laser cladding operation, opening an electric flow valve II and a water pump III in a waste liquid collecting pipeline, opening an electric flow valve III and a water pump IV in a waste liquid circulating pipeline, and automatically adjusting the temperature of a solution in a solution conveying pipeline by a temperature control device according to feedback information of a solution state sensor and a temperature sensor in the waste liquid circulating process to ensure that the environment temperature of the solution in the main body of the experiment cabin is stable;
S9, adjusting the opening of the electric flow valve II according to the fluctuation condition of the liquid level in the main body of the experiment cabin monitored by the radar liquid level meter, so as to ensure the stability of the liquid level of the solution in the main body of the experiment cabin;
S10, after the laser cladding work is finished, a water pump five and an electric flow valve four of a quenching liquid supply system are closed, an air supply valve of a protective air cylinder group is closed, a temperature control device is closed, an electric flow valve three and a water pump four in a waste liquid circulation pipeline are closed, waste liquid in the experiment cabin body is conveyed to a waste liquid collecting tank, after all waste liquid in the experiment cabin body is conveyed to the waste liquid collecting tank, the air supply valve of the liquid discharge air cylinder group is closed, and the electric flow valve two and the water pump three in the waste liquid collecting pipeline are closed.
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