CN205414406U - A temperature field initiative regulation and control system for high energy beam vibration material disk - Google Patents
A temperature field initiative regulation and control system for high energy beam vibration material disk Download PDFInfo
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Abstract
The utility model discloses a temperature field initiative regulation and control system for high energy beam vibration material disk, this system includes temperature field monitored control system, heating system and control system, temperature field monitored control system includes infrared camera and temperature thermocouple, and heating system includes side heating system, bottom surface heating system and cooling system, control system passes through control signal with side heating system and bottom surface heating system respectively and is connected, and control system is used for respectively or control of simultaneous control temperature field and feedback, the opening of bottom surface heating system, close, frequency control to and the opening of bottom surface heating system, close, frequency control. The utility model discloses directly carrying out the destressing when can also directly carry out destressing annealing process or processing to the member that takes shape and handling, effectively solve the deformation, warpage, the fracture scheduling problem that easily appear among the forming process, not only save time but also the energy can be saved can also effectively shorten equipment holding time, improve equipment utilization ratio simultaneously.
Description
Technical field
This utility model belongs to high energy beam and increases material manufacturing technology field, is specifically related to a kind of three-dimensional, partition type gradient temperature field active control system.This utility model is particularly well-suited to high energy beam and increases material manufacture and heat treatment thereof, is also applied in other processing type equipment needing thermograde regulation and control.
Background technology
Relative to traditional removal-cutting working method, increasing material manufacturing technology is that a kind of " from bottom to top, successively increasing " based on " discrete-to pile up " principle is driven, by part three-dimensional data, the method directly manufacturing required part.On this basis, it is as thermal source with high energy beam current (laser beam, electron beam, plasma or ion beam) that metal increases material manufacturing technology, and heating material is allowed to combine (sinter or melt), the method directly manufacturing part.Being subject to repeatedly the impact of rapid remelting and elevated temperature thermal cycles in the course of processing, temperature field, the dimensional accuracy of component are in and are continually changing.Being affected by part shape, change in size, tend to because of local temperature uneven generation thermal stress thus cause the deformation of part, contraction and warpage in the part successively manufactured, when the size of component is the biggest, shape is the most complicated, this phenomenon is more prominent.
The residual stress produced to improve the shape localized heat uneven temperature field caused of input; the most frequently used way is that the drip molding processed is carried out subsequent heat treatment; the temperature-rise period of the cooling wherein experienced-again will cause wastes different in the resources such as time, protective gas, heat energy, and this will directly increase R&D cycle and R&D costs.Additionally, cooling procedure is likely to occur the component that Stress Release causes processing occur that the situations such as deformation, warpage even cracking, increasing produce the risk of substandard products, waste product.The most important thing is, the situation such as deformation, warpage even cracking has often occurred in the course of processing, and the internal stress in forming process is controlled by this kind of method owing to lacking, and can not tackle the problem at its root.
Propose before processing and the course of processing to carry out the pre-heat treatment to shaped region for this situation, the fusing-process of setting of material plays the effect of preheating slow cooling, even eliminate the internal stress in the course of processing by regulating temperature field to reduce.Treating method in contemporary literature is mostly grouped as bottom shaped region adding heater and carries out the regulation and control in temperature field, (such as EOS-SLM equipment, uses basal plate preheating, the highest is warming up to 80 DEG C;Trumpf-SLM equipment, uses basal plate preheating, the highest is warming up to 250 DEG C；That mentions in document Microstructuralandmechanicalapproachesoftheselectivelase rmeltingprocessappliedtoanickel-basesuperalloy.Journalof MaterialsProcessingTechnology213 (2013) 606 613 can be raised to 900 DEG C etc. by preheating temperature), the drawback of this kind of method is to carry out unidirectional preheating by bottom-heated owing to being only capable of, and the increase along with forming height is constantly declined by its pre-heat effect;People is the most also utilized to propose to utilize metal induction coil that powder feeding cylinder preheats (selective laser selective melting SLM device powder feeding cylinder preheating device and pre-heating mean, number of patent application 201310024599.8).But due in forming process, the change in temperature field is affected by forming technology, part shape complexity, size, forming height etc. are many, and above-mentioned control method is not enough due to its Temperature Field Control motility, lack effectively monitoring and control device to internal temperature field, thus the crudy concordance of different component cannot be ensured.In order to realize the monitoring of thermograde in the course of processing and controlled, present applicant has proposed the high energy beam selective melting method and apparatus (number of patent application 201510437070.8) that a kind of shaped region thermograde is controlled, this invention utilizes the shaped region boundary temperature measured by temperature measurement module to calculate the thermograde interval of bath in real time, and by temperature control module, shaped region is applied suitable heat-flux conditions to realize the control interval to molten bath and shaped region thermograde, but the thermograde that the method is limited only in Z-direction controls, cannot be carried out the thermograde on XOY plane to control.
Summary of the invention
For the problems referred to above, can not freely regulated shortcoming in order to overcome that conventional temperature station control system is single, realize the thermograde regulation and control of Z-direction and XOY plane in the course of processing, reducing and even eliminate the internal stress produced because of thermograde in the course of processing, this utility model provides a kind of temperature field active control system increasing material manufacture for high energy beam.
In order to overcome conventional temperature station control system single can not freely regulated shortcoming, this utility model provides a kind of three-dimensional, partition type gradient temperature field active control system.
A kind of temperature field active control system increasing material manufacture for high energy beam that this utility model provides, it is characterised in that
This system includes temperature field monitoring system, heating system and control system；Described temperature field monitoring system includes that infrared camera and temperature thermocouple, described heating system include side heat system, bottom surface heating system and cooling system；
Described infrared camera top within the cavity, observation angle alignment moulding cylinder upper surface, for whole shaped region being monitored in real time the temperature field cloud atlas obtaining whole shaped region XOZ plane, and it is supplied to control system；Described temperature thermocouple is evenly distributed on the surrounding of moulding cylinder, processes whole shaped region XOZ and the temperature dot matrix scattergram of YOZ plane for whole shaped region monitors acquisition in real time；
Described bottom surface heating system is fixed between lifting piston and substrate, and ensures bottom surface heating system upper surface level, and side heat system is distributed in moulding cylinder surrounding, and side temperature control system for carrying out the control and regulation in temperature field as main thermal source；
Described cooling system is made up of the cooling layer being wrapped in outside side heat system parcel, to the cooling of moulding cylinder and avoid inside cavity in the course of processing overheated after its role is to machine；
Described control system is connected by control signal with side heat system and bottom surface heating system respectively, control system is for separately or concurrently controlling temperature field monitoring and feedback, the unlatching of bottom surface heating system, closedown, power adjustments, and the unlatching of bottom surface heating system, closedown, power adjustments.
As the improvement of technique scheme, described side heat system is made up of four side heat systems of the surrounding being distributed in formation cylinder；Single side heat subsystem is made up of the c × d of array distribution independent side heat submodule；Each side heat submodule is the most corresponding with a described temperature thermocouple.
Further improvement as technique scheme, described bottom surface heating system is to be made up of a × b of array distribution independent bottom surface heating submodule, these independent heating submodules all proper alignment on same horizontal plane, and the temperature field cloud atlas being utilized thermal camera to obtain by control system carries out independent judgment unlatching or stopping is heated.
Above-mentioned side heat submodule and bottom surface heating sub modular structure is identical, is constituted by two-layer ceramic plate and the heating element heater of heating power continuously adjustable that is clipped in the middle.
This utility model utilizes infrared camera that whole shaped region monitors temperature field cloud atlas in real time that obtain whole shaped region XOY plane, solve the shortcoming that conventional thermocouple intelligence carries out letter spot measurement, whole forming process is monitored continuously, and adjust the temperature field of whole machining area in real time, it is ensured that in the course of processing, the temperature field of whole machining area is constant.
This utility model monitors acquisition by the equally distributed temperature thermocouple of surrounding in real time to whole shaped region and processes whole shaped region XOZ and the temperature dot matrix scattergram of YOZ plane, draw temperature distribution history, and the heating system being distributed by surrounding is adjusted in real time, it is ensured that in the course of processing, the temperature field of whole machining area is constant.
This utility model system integrates temperature field monitoring system, heating system, temperature control system.In the course of processing, temperature control realization pid parameter is automatically adjusted, and can realize being automatically adjusted of temperature by the adjustment unlatching of corresponding heating module, closedown, power adjustments when local temperature departure design temperature.
Cardinal principle of the present utility model is, in the course of processing of component, utilizes the temperature field information that the course of processing is monitored and obtains in whole system by the temperature thermocouple (can open simultaneously or individually open) of infrared camera and formation cylinder surrounding in real time.The temperature field information of acquisition is fed back to control system, this information is carried out quantification treatment and by control system, each independent heating module (formation cylinder bottom surface a × b heating module and formation cylinder surrounding 4c × d heating module amount to (a × b+4c × d) individual heating module and constitute) is carried out the regulation (unlatching of corresponding heating module, closedown, power adjustments) in temperature field, thus it is constant to realize the temperature field of whole machining area in the course of processing.Further according to the treatment mechanism different the need of carrying out subsequent heat treatment selection after machining.
Therefore, compared with traditional Temperature Field Control system, this invention mainly has the advantage that
1. utilize temperature field monitoring system, machining area whole in the course of processing is carried out real-time volume monitoring, effectively obtain regional temperature information, and quantification treatment；
2. utilizing each independent heating module, the temperature field information obtained according to 1 carries out Temperature Field Control, enhances the temperature for different machining parameters, different component size, shape and controls motility；
3. in forming process, directly go de-stress, it is to avoid the situations such as deformation, warpage even cracking occur in forming process；
4. the integration of shaping-heat treatment, cuts down the number of intermediate links, not only adds working (machining) efficiency but also decrease the waste of protective gas, heat energy, shorten former holding time；
5. utilize the recirculated cooling water that shaped region is peripheral, make shaped region and lathe region disconnecting, it is ensured that lathe temperature is not by heat effect, it is ensured that the safety in forming process and stability.
Accompanying drawing explanation
Fig. 1 is three-dimensional, the structural representation of partition type gradient temperature field active control system of the present utility model；
Fig. 2 is the distribution schematic diagram (top view) of side heat system of the present utility model；
Fig. 3 is the structural representation of single side heat subsystem of the present utility model；
Fig. 4 is bottom surface of the present utility model heating system distribution schematic diagram；
Fig. 5 is the structural representation of independent heating submodule of the present utility model；
Fig. 6 is circulating cooling system schematic diagram of the present utility model, and wherein, 6A is front view, and 6B is top view；
Fig. 7 is the processing in this utility model specific implementation process and temperature control flow figure；
Fig. 8 is this utility model structural representation when only using infrared camera；
Fig. 9 is this utility model structural representation when only using side temperature thermocouple；
In Fig. 1-9, 1 represents cavity, 2 represent infrared camera, 3 represent gas outlet, 4 represent workbench, 5 represent cooling layer, 6 represent side heat system, 7 represent temperature thermocouple, 8 represent moulding cylinder, 9 represent gas access, 10 represent control system, 11 represent the formed part of part, 12 represent substrate, 13 represent bottom surface heating system, 14 represent lifting piston, 15 represent coolant outlet, 16 represent cooling-water machine, 17 represent cooling water inlet, 18 represent side heat submodule, 19, 19 ' represent ceramic wafer, 20 represent heating element heater, 21 represent asbestos cloth, 22 represent bottom surface heating submodule, 23 represent cooling tube.
Detailed description of the invention
In order to reduce the adverse effect caused because of non-uniform temperature in forming process as far as possible, this utility model devises a set of gradient temperature field active control system being made up of temperature field monitoring system, heating system and control system.By measuring shaped region XOY plane and the temperature field information of surrounding, the temperature field information of acquisition is fed back to control system, this information is carried out quantification treatment and by control system, each independent bottom surface heating submodule and side heat submodule are carried out the regulation in temperature field, thus it is constant to realize the temperature field of whole machining area in the course of processing, it is to avoid thermal stress causes component warpage, deforms, ftractures.
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further.At this it should be noted that be adapted to assist in for the explanation of these embodiments and understand this utility model, but it is not intended that restriction of the present utility model.As long as just can be mutually combined additionally, technical characteristic involved in each embodiment of this utility model disclosed below does not constitutes conflict each other.
As it is shown in figure 1, this utility model example mainly includes infrared camera 2, side heat system 6, temperature thermocouple 7, control system 10, bottom surface heating system 13 and cooling system.
As it is shown in figure 1, moulding cylinder 8 is positioned at cavity 1 bosom, its lower end connects lifting piston 14.Bottom surface heating system 13 is fixed on lifting piston 14 upper surface by set screw hole, and ensures bottom surface heating system 13 upper surface level, and its heated perimeter is 20 ~ 900 DEG C, and bottom surface heating system 13 upper surface is machined with set screw hole.Substrate 12 is fixed in heating system 13 by set screw, and in the starting stage of equipment work, substrate 12 upper surface holding level is also in same level with workbench 4 upper surface.Moulding cylinder 8 surrounding is dispersed with side heat system 6.During shaping, the control and regulation that side temperature control system 6 will carry out temperature field as main thermal source, its heated perimeter is 20 ~ 900 DEG C.Cooling system is made up of the cooling layer 5 being wrapped in outside side heat system parcel, to the cooling of moulding cylinder and avoid inside cavity in the course of processing overheated after its role is to machine.During work, cooling layer 5 is connected with the cooling-water machine 16 carried or join outward by cooling water inlet 17, to obtain the cooling water of conveying continuously and to come back to carry out in cooling-water machine 16 forced refrigeration via coolant outlet 15.Cooling system may insure that lathe temperature is not by heat effect in forming process, it is ensured that the safety in forming process.
Infrared camera 2 is positioned at cavity 1 inner top, and observation angle alignment moulding cylinder upper surface, such purpose is to avoid the flue dust kicked up in the course of processing to impact infrared camera.
Gas access 9 and gas outlet 3 it is respectively designed with in the both sides of cavity 1.In the processing starting stage; high-purity protective gas (nitrogen, argon, helium or its mixed gas etc.; physics, chemical property and process requirements etc. with specific reference to material determine) it is filled with cavity 1 inside by gas access 9, and drive out of to ensure that cavity 1 internal water, oxygen content are reduced in required scope from gas outlet 3 by cavity 1 inner air.Meanwhile, infrared camera installation site offsets gently towards gas access 9, and gas enters, the flue dust produced in the course of processing can be taken away by exit design with air-flow, it is to avoid volume of smoke affects the course of processing and ensures the accuracy of observation of infrared camera 2.
Control system 10 is connected with infrared camera 2, side heat system 6, bottom surface heating system 13 and lifting piston 14 with control line respectively, to control they work.Control system 10 sends instruction can separately or concurrently control processing startup, stopping, machined parameters, temperature field monitoring and feedback, the unlatching of bottom surface heating system, closedown, power adjustments, the unlatching of side heat system, closedown, power adjustments, the rising of lifting piston 14, decline and movement velocity control.
As in figure 2 it is shown, side heat system 6 is made up of four side heat systems 61,62,63 and 64 of the surrounding being distributed in formation cylinder 8.
As it is shown on figure 3, single side heat subsystem is made up of the c × d of array distribution independent side heat submodule 18；Each side heat submodule 18 is the most corresponding with a temperature thermocouple 7, and the most each side heat subsystem is equipped with c × d the temperature thermocouple 7 of array distribution, and each temperature thermocouple 7 is controlled by control system 10 is independent, it is achieved the accurate control of thermometric-temperature control.
Owing to the every a line of single side heat subsystem (61,62,63,64) is constituted by d independent side heat submodule 18, follow-up introduction, explanation, defining all of 4d the side heat submodule 18 altogether of pth row (1≤p≤c) in side heat system 6 at this is side heat module 6-p.I.e. 6-p is all of 4d the side heat submodule of pth row in side heat system 6.
As shown in Figure 4, bottom surface heating system 13 is to be made up of a × b of array distribution independent bottom surface heating submodule 22, and these independent heating submodules all proper alignment on same horizontal plane define m row, and the heating submodule of the n-th row is heating submodule 22mn(b is positive integer, represents line number and the columns of heating module respectively for wherein 1≤m≤a, 1≤n≤b, wherein a), they are controlled by control system 10 is independent, it is achieved heat respectively.
As shown in Figure 5, side heat submodule 18 and bottom surface heating submodule 22 structure is identical, can be selected high temperature silicon molybdenum bar, resistance wire, electric furnace heating wire or its various combination according to practical situation by two-layer ceramic plate 19,19 ' and the heating element heater 20(of heating power continuously adjustable that is clipped in the middle) constitute.The selection side heat submodule 18 of concrete heating element heater kind may be the same or different with bottom surface heating submodule 22.
From Fig. 6 A, 6B it can be seen that the cooling layer 5 of cincture side heat system 6 is made up of the cooling tube 23 in asbestos cloth 21 and outside.Asbestos cloth 21 primarily serves insulation and reduces the effect of thermograde, the cooling water that water cooling unit 16 produces enters cooling tube 23 from cooling water inlet 17 and effect is finally discharged cavity from coolant outlet 15 and returns to cooling-water machine Final 16 system refrigeration counterclockwise from bottom to top, and so circulation reaches cooling effect.
This utility model regulator control system has warning feedback function, when local temperature is too high in region during control system detects forming process, forces to stop this region and heats and warned prompting by alarm device.The process of implementing is:
(1) by infrared camera temperature field cloud atlas feed back to control system in real time or in interval shooting formation cylinder, heating module is opened after being converted into a × b temperature digital signal according to the putting position of a × b heating module after carrying out image procossing, is stopped by control system again, temperature control.Such as when m row, during the n-th column region temperature Tmn ＞ design temperature (T+ Δ T) DEG C, (wherein Δ T is the temperature fluctuation value arranged, Δ T ＞ 0), reduce corresponding heating module or stop temperature in its heating makes region and be maintained near design temperature T；When m row, during the n-th column region temperature Tmn ＜ design temperature (T-Δ T) DEG C, open or raise temperature in corresponding heating module makes region and be maintained near design temperature T.Tend to constant by temperature field in controlling to reach whole XOY plane to the temperature of heating module.(exceed and arrange temperature 20 ~ 50 DEG C) early warning when local temperature is too high, positive closing corresponding region heating module makes regional temperature be down to recovery heating during temperature range (T-Δ T, T+ Δ T).
(2) by temperature thermocouple, whole shaped region is monitored acquisition in real time and process whole shaped region XOZ and the temperature dot matrix scattergram of YOZ plane, draw temperature distribution history, and the heating module being distributed by surrounding is adjusted in real time, it is ensured that in the course of processing, the temperature field of whole machining area is constant.(beyond arrange temperature 20 ~ 50 DEG C) early warning when local temperature is too high, positive closing corresponding region side heat module is also accelerated cooling water flow and is carried out forcing cooling;The recovery heating when this regional temperature is down to temperature range (T-Δ T, T+ Δ T).
Embodiment one:
The structure of this example is as shown in Figure 1, as a example by laser fast shaping, synchronize to use infrared camera 2, temperature thermocouple to carry out temperature field monitoring, as shown in Figure 7, control system 10 synchronously completes part processing, temperature survey and temperature and controls, and concrete workflow is as follows:
(1) substrate 12 is installed and leveling: be fixed in bottom surface heating system 13 by set screw by the substrate after sandblasting, utilizes amesdial make substrate 12 upper surface holding level and ensure that substrate 12 upper surface and workbench 4 are on same horizontal plane；
(2) protective atmosphere is set up: manually closed by cavity 1; protective gas source of the gas (nitrogen, argon, helium or the mixed gas etc. of above-mentioned gas composition) is connected with gas access 9; open gas outlet 3 and gas access 9 valve successively and adjust gas flow, constantly being replaced by gas and make the oxygen content of inside cavity be reduced to below 1PPM；
(3) according to member X OY plane figure to be processed, open bottom surface heating system 13, synchronize to open projection correspondence bottom surface heating submodule 22, be uniformly heating to substrate 12 set preheating temperature T1(80 ~ 200 DEG C, determine according to Materials And Process Requirement), open infrared camera 2 and forming area carry out monitoring temperature and is converted into digital temperature signal and feeds back to control system 10；According to member X OZ to be processed and YOZ plane figure, open first, second row side heat module 6-1 and side heat submodule 18 corresponding to 6-2, make side heat module 6-1 be warming up to set preheating temperature T2(80 ~ 200 DEG C, determine according to Materials And Process Requirement), 6-2 is warming up to 0.4 ~ 0.8T2(determining according to Materials And Process Requirement)；
(4) graphics processing designed and machined parameters are imported computer, under the control of control system 10, proceed by processing；
(5) using the mode of successively scanning machining, the most often processing one layer, substrate 12 just declines 10 ~ 100 μm (determining according to Materials And Process Requirement)；
(6) when substrate 12 position drops to the position of side heat module 6-p, keep 6-1 ~ 6-(p-1) heating block temperature be in setting preheating temperature T2Near, intensification heating module 6-p to T2, intensification heating module 6-(p+1) and to (0.4 ~ 0.8) T2(determining according to Materials And Process Requirement).It is to say, when substrate 12 position drops to side heat module 6-p position, corresponding side heat system temperature field is that 6-1 ~ 6-p maintains T2, 6-(p+1) and temperature is warming up to 0.4 ~ 0.8T2(determining according to Materials And Process Requirement)；
(7) in the actual course of processing, by infrared camera 2 temperature field cloud atlas feed back to control system 10 in real time or in interval shooting formation cylinder, bottom-heated submodule 22 is opened after being converted into a × b temperature digital signal according to the putting position of a × b bottom-heated submodule 22 after carrying out image procossing, is stopped by control system 10 again, temperature control；By temperature thermocouple, whole shaped region is monitored acquisition in real time and process whole shaped region XOZ and the temperature dot matrix scattergram of YOZ plane, draw temperature distribution history, and the side heat system being distributed by surrounding is adjusted in real time, it is ensured that in the course of processing, the temperature field of whole machining area is constant.Bottom surface temperature controls to control can be used alone also can be used in conjunction with each other with side temperature.By temperature thermocouple, whole shaped region is monitored acquisition in real time and process whole shaped region XOZ and the temperature dot matrix scattergram of YOZ plane, draw temperature distribution history, and the heating system being distributed by surrounding is adjusted in real time, it is ensured that in the course of processing, the temperature field of whole machining area is constant；
(8) repeat the above steps (5) ~ (7), until completing shaping of whole part；
(9) gas outlet 3, gas access 9 are closed successively, making inside cavity is a sealing state, after cavity inner member is cooled to room temperature, opens cavity 1 and substrate 12 is together taken out together with the part shaped and reclaims surplus material, then being cut from substrate by part by the method for line cutting, the most all of process operation completes.
Embodiment two:
This reality for example with structure as shown in Figure 8, as a example by laser fast shaping, only use infrared camera carry out temperature field monitoring, shown in concrete Fig. 7 in workflow reference example one.Difference is in forming process, only carry out the monitoring temperature in temperature field by infrared camera 2 and without opening temperature thermocouple 7.It should be noted that in this embodiment, owing to not opening temperature thermocouple 7, in forming process, the design temperature of side heating system 6 is only controlled by the regulation and control of the temperature field in XOZ and YOZ plane by control system 10.Such as, when substrate 12 position drops to side heat module 6-p position, set corresponding side heat system 6-1 ~ 6-p warming temperature as T2, setting side heat system 6-(p+1) and warming temperature is as 0.4 ~ 0.8T2(determining according to Materials And Process Requirement).
Embodiment three:
This reality for example with structure as it is shown in figure 9, as a example by laser fast shaping, only use temperature thermocouple 7 to carry out temperature field monitoring, shown in concrete Fig. 7 in workflow reference example one.Difference is in forming process, only carry out the monitoring in temperature field by temperature thermocouple 7 and without opening infrared camera 2.It should be noted that in this embodiment, owing to not opening infrared camera 2, in forming process, the design temperature of bottom surface heating system 13 is only controlled by the regulation and control of the temperature field on XOY plane by control system 10.Such as, according to member X OY plane figure to be processed, opening bottom surface heating system 13, synchronize to open projection correspondence bottom surface heating submodule 22, warming temperature is T1(80 ~ 200 DEG C, determine according to Materials And Process Requirement).
Embodiment four:
As a example by laser fast shaping-heat treatment, directly carrying out destressing process in the course of processing of part, concrete workflow is as follows:
Repeat embodiment one, will preheating temperature T1、T2It is set to 300 ~ 800 DEG C (determining with specific reference to material and accessory size size), stress relief annealing and other associated hot processing procedures is directly carried out during processing, only gas access 3 need to be closed successively after being completely processed, gas outlet 9, making inside cavity is a sealing state, after cavity inner member is cooled to room temperature, opens cavity 1 and substrate 12 is together taken out together with the part of molding and reclaims surplus material, then by the method for line cutting, part is cut from substrate, again according to actual demand (such as material physical properties, purposes etc.) carry out associated hot process.
Embodiment five:
As a example by laser fast shaping+subsequent heat treatment, shaping, concrete workflow is as follows:
(1) (1) ~ (8) in embodiment one are repeated；
(2) closing gas outlet 3, gas access 9 successively, making inside cavity is a sealing state, synchronizes intensification bottom surface heating system 13, side heat system 6 to temperature T on the basis of existing temperature3And (300 ~ 800 DEG C, determine according to material and accessory size size) then cool to room temperature with the furnace and carry out stress relief annealing process to be incubated 1 ~ 5 hour；
(3) according to the actual demand (such as material physical properties, purposes etc.) of part, associated hot process is carried out at cavity；
(4) bottom surface heating system 13, side heat system 6 heated condition are closed, after inside cavity temperature is down to room temperature, open cavity 1 and substrate 12 is together taken out together with the part of molding and reclaims surplus material, then by the method for line cutting, part being cut from substrate.
The above is preferred embodiment of the present utility model, but this utility model should not be limited to this embodiment and accompanying drawing disclosure of that.So every without departing from the equivalence completed under spirit disclosed in the utility model or amendment, both fall within the scope of this utility model protection.
Claims (6)
1. the temperature field active control system increasing material manufacture for high energy beam, it is characterised in that this system includes temperature field monitoring system, heating system and control system；Described temperature field monitoring system includes that infrared camera and temperature thermocouple, described heating system include side heat system, bottom surface heating system and cooling system；
Described infrared camera top within the cavity, observation angle alignment moulding cylinder upper surface, for whole shaped region being monitored in real time the temperature field cloud atlas obtaining whole shaped region XOZ plane, and it is supplied to control system；Described temperature thermocouple is evenly distributed on the surrounding of moulding cylinder, processes whole shaped region XOZ and the temperature dot matrix scattergram of YOZ plane for whole shaped region monitors acquisition in real time；
Described bottom surface heating system is fixed between lifting piston and substrate, and ensures bottom surface heating system upper surface level, and side heat system is distributed in moulding cylinder surrounding, and side temperature control system for carrying out the control and regulation in temperature field as main thermal source；
Described cooling system is made up of the cooling layer being wrapped in outside side heat system parcel, to the cooling of moulding cylinder and avoid inside cavity in the course of processing overheated after its role is to machine；
Described control system is connected by control signal with side heat system and bottom surface heating system respectively, control system is for separately or concurrently controlling temperature field monitoring and feedback, the unlatching of bottom surface heating system, closedown, power adjustments, and the unlatching of bottom surface heating system, closedown, power adjustments.
The temperature field active control system increasing material manufacture for high energy beam the most according to claim 1, it is characterised in that described side heat system is made up of four side heat systems of the surrounding being distributed in formation cylinder；
Single side heat subsystem is made up of the c × d of array distribution independent side heat submodule；Each side heat submodule is the most corresponding with a described temperature thermocouple.
The temperature field active control system increasing material manufacture for high energy beam the most according to claim 1, it is characterized in that, described bottom surface heating system is to be made up of a × b of array distribution independent bottom surface heating submodule, these independent heating submodules all proper alignment on same horizontal plane, and the temperature field cloud atlas being utilized thermal camera to obtain by control system carries out independent judgment unlatching or stopping is heated.
4. according to the temperature field active control system increasing material manufacture for high energy beam described in Claims 2 or 3, it is characterized in that, described side heat submodule and bottom surface heating sub modular structure is identical, is constituted by two-layer ceramic plate and the heating element heater of heating power continuously adjustable that is clipped in the middle.
5. according to the temperature field active control system increasing material manufacture for high energy beam described in claim 1,2 or 3, it is characterised in that described cooling layer is made up of the cooling tube in asbestos cloth and outside；The cooling water produced by water cooling unit during work enters cooling tube from cooling water inlet and effect is finally discharged cavity from coolant outlet and returns to cooling-water machine forced refrigeration counterclockwise from bottom to top, and so circulation reaches cooling effect.
6. according to the temperature field active control system increasing material manufacture for high energy beam described in claim 1,2 or 3, it is characterized in that, it also includes the alarm device being connected with control system by control signal, when local temperature is too high in region during control system detects forming process, forces to stop this region and heat and warned prompting by described alarm device.
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| CN201521088498.8U CN205414406U (en) | 2015-12-24 | 2015-12-24 | A temperature field initiative regulation and control system for high energy beam vibration material disk |
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| CN201521088498.8U CN205414406U (en) | 2015-12-24 | 2015-12-24 | A temperature field initiative regulation and control system for high energy beam vibration material disk |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106802254A (en) * | 2016-12-26 | 2017-06-06 | 深圳中广核工程设计有限公司 | High-temperature gradient annealing device and its application method |
| CN108322946A (en) * | 2018-04-18 | 2018-07-24 | 中国工程物理研究院机械制造工艺研究所 | A kind of electrothermal closed-loop heating device |
| CN108380879A (en) * | 2018-04-28 | 2018-08-10 | 上海产业技术研究院 | Using laser as the wire feed 3D printer and its Method of printing of heat source |
| CN108568916A (en) * | 2018-05-29 | 2018-09-25 | 安徽晶菱机床制造有限公司 | A kind of real-time observation device for machining graphite |
| CN109668738A (en) * | 2019-02-28 | 2019-04-23 | 北京理工大学 | A kind of piston temperature field simulation test device and test method |
| CN110539386A (en) * | 2019-03-12 | 2019-12-06 | 清华大学 | Thermal cell additive manufacturing apparatus and method |
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| CN115041710A (en) * | 2022-07-20 | 2022-09-13 | 烟台哈尔滨工程大学研究院 | Three-dimensional temperature field control device for multi-energy beam additive manufacturing |
| CN115090906A (en) * | 2022-06-10 | 2022-09-23 | 中国人民解放军陆军装甲兵学院 | Real-time temperature regulation and control system and method in additive remanufacturing deposition process |
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| CN106802254A (en) * | 2016-12-26 | 2017-06-06 | 深圳中广核工程设计有限公司 | High-temperature gradient annealing device and its application method |
| CN108322946A (en) * | 2018-04-18 | 2018-07-24 | 中国工程物理研究院机械制造工艺研究所 | A kind of electrothermal closed-loop heating device |
| CN108322946B (en) * | 2018-04-18 | 2024-02-13 | 中国工程物理研究院机械制造工艺研究所 | Electric heating type full-closed loop heating device |
| CN108380879A (en) * | 2018-04-28 | 2018-08-10 | 上海产业技术研究院 | Using laser as the wire feed 3D printer and its Method of printing of heat source |
| CN108568916A (en) * | 2018-05-29 | 2018-09-25 | 安徽晶菱机床制造有限公司 | A kind of real-time observation device for machining graphite |
| CN109668738A (en) * | 2019-02-28 | 2019-04-23 | 北京理工大学 | A kind of piston temperature field simulation test device and test method |
| CN110539386A (en) * | 2019-03-12 | 2019-12-06 | 清华大学 | Thermal cell additive manufacturing apparatus and method |
| CN111266705A (en) * | 2019-12-31 | 2020-06-12 | 南京理工大学 | Device for controlling forming of side wall of consumable electrode arc additive straight wall |
| CN111471841A (en) * | 2020-04-17 | 2020-07-31 | 广州市豪越新能源设备有限公司 | High-precision hot air type surface heat treatment control system |
| CN111471841B (en) * | 2020-04-17 | 2021-12-03 | 广东万润利模具技术有限公司 | High-precision hot air type surface heat treatment control system |
| CN115090906A (en) * | 2022-06-10 | 2022-09-23 | 中国人民解放军陆军装甲兵学院 | Real-time temperature regulation and control system and method in additive remanufacturing deposition process |
| CN115041710A (en) * | 2022-07-20 | 2022-09-13 | 烟台哈尔滨工程大学研究院 | Three-dimensional temperature field control device for multi-energy beam additive manufacturing |
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