CN107009150A - A kind of plasma and multi-axis NC Machine Tools increase and decrease material is combined 3D printing apparatus and method for - Google Patents
A kind of plasma and multi-axis NC Machine Tools increase and decrease material is combined 3D printing apparatus and method for Download PDFInfo
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- CN107009150A CN107009150A CN201710245796.0A CN201710245796A CN107009150A CN 107009150 A CN107009150 A CN 107009150A CN 201710245796 A CN201710245796 A CN 201710245796A CN 107009150 A CN107009150 A CN 107009150A
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- 239000000463 material Substances 0.000 title claims abstract description 28
- 238000010146 3D printing Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000003801 milling Methods 0.000 claims abstract description 143
- 238000012545 processing Methods 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000000465 moulding Methods 0.000 claims abstract description 27
- 238000003754 machining Methods 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims description 20
- 239000007789 gas Substances 0.000 claims description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- 238000007493 shaping process Methods 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000007639 printing Methods 0.000 claims description 4
- 230000000274 adsorptive effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 abstract 2
- 238000003860 storage Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 7
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011112 process operation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
-
- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
- B22F2003/1051—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding by electric discharge
-
- 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
Abstract
3D printing apparatus and method for is combined the invention discloses a kind of plasma and multi-axis NC Machine Tools increase and decrease material；Including central control system, sealing moulding room, five shaft five linkage numerical control processing apparatus, microplasma rifle, cooler, powder storage tank, vertical milling milling device, protection gas cylinder；Vertical milling milling device is placed in IIIth area of sealing moulding chamber interior, layering profile and forming surface rat for cutting workpiece；Five shaft five linkage numerical control processing apparatus is placed in IIth area of sealing moulding chamber interior, for changing work pieces process random molding face；Microplasma rifle is placed in Ith area of sealing moulding chamber interior, for increasing material manufacturing；Central control system is connected with five shaft five linkage numerically controlled machining platform, powder storage tank, cooler, microplasma rifle, vertical milling milling device, facing cutter.If after this equipment is using micro-beam plasma arc processing dried layer, switching to milling, the rat of high speed and precision cutting workpiece, and improve inside workpiece surface quality.
Description
Technical field
The present invention relates to micro-beam plasma arc (micro plasma arc) material increasing field, more particularly to it is a kind of etc. from
Son and multi-axis NC Machine Tools increase and decrease material are combined 3D printing apparatus and method for.
Background technology
When plasma transfer arc current is in below 15A, commonly known as micro-beam plasma arc.This arc power is very
It is small, it is to carry out one of preferable thermal source of precision welding generally in below 1kW.Its arc diameter is in 1.5mm or so, and length can
Up to more than 5mm.
Micro-beam plasma arc powder melting quick shaping process is a kind of directly metal forming technology technique of welding arc.It is borrowed
Reflected in quick molding method the thought of " discrete, accumulation ", it is similar to the general principle of laser rapid-forming method, microbeam etc. from
Subarc powder melting rapid shaping is using the plasma arc of low current as thermal source, in workpiece surface by way of fuse or molten powder
The accumulation of successively material is realized with the path drafted.
Micro-beam plasma arc powder melting rapid forming equipment it is main by plasma gun, the dc source of high non-load voltage,
Several part compositions such as inert gas source (plasma (orifice) gas and protection gas).Its technological process is as follows：Generate in a computer first
The three-dimensional CAD model of workpiece to be formed, then believe the 3D solid of part model according to certain thickness slicing delamination
Breath is converted into a series of two-dimensional silhouette information, under control of the computer, with micro-beam plasma arc powder melting layer
Method, successively accumulates according to two-dimensional silhouette information, ultimately generates Three-dimensional Entity Components.
Current micro-beam plasma arc is used for welding field, and it is not mature enough to be used for increasing material manufacturing.Microbeam is utilized to realize
The complex-shaped workpieces such as Plasma Arc Machining abnormal shape pipeline thin-wall part, it is therefore desirable to propose a kind of new scheme：By microbeam etc. from
Sub- rifle, three modules of multi-axis NC Machine Tools and vertical milling milling attachment are organically combined, to realize that increase and decrease material is combined 3D printing.
The content of the invention
It is an object of the invention to the shortcoming and defect for overcoming above-mentioned prior art, there is provided one kind is simple in construction, work effect
The high plasma of rate and multi-axis NC Machine Tools increase and decrease material are combined 3D printing apparatus and method for.Overcome traditional techniques complex shape
Shape workpiece accuracy is low, the low problem of efficiency.
The present invention is achieved through the following technical solutions：
A kind of plasma and multi-axis NC Machine Tools increase and decrease material is combined 3D printing equipment, including central control system 14, sealing
Forming room 25；
25 points of the sealing moulding room is：Ith area, IIth area, IIIth area；
Ith area is used to place microplasma processing unit (plant)；
IIth area is used to place five shaft five linkage numerically controlled machining platform；
IIIth area is used to place vertical milling milling device；
The central control system 14 is used for：Control microplasma processing unit (plant) completes workpiece according to path planning
Process operation；Control five shaft five linkage numerically controlled machining platform realizes that motion of the workpiece in X, Y, Z axis direction is made according to path planning
Industry；Vertical milling milling device is controlled to carry out milling operation to the workpiece 26 on five shaft five linkage numerically controlled machining platform.
The microplasma processing unit (plant) includes：
Microplasma rifle 21；
The X-axis guide rail 22 of planer type structure；
The Y-axis guide rail 19 of girder structure；
The Z axis guide rail 18 of cantilever structure；
The Y-axis guide rail 19 moves up and down in Z axis guide rail 18；
The X-axis guide rail 22 is moved forward and backward in Y-axis guide rail 19；
The microplasma rifle 21 is arranged in X-axis guide rail 22, and can the side-to-side movement in X-axis guide rail 22；In center
Under the control of control system 14, microplasma rifle 21 can be achieved and is moved in the axle of X, Y, Z tri-.
The five shaft five linkage numerically controlled machining platform includes：
The platform X-axis guide rail 1 of floor rail type structure；
The platform Y-axis guide rail 3 of girder structure；
The platform Z axis guide rail 2 of cantilever structure；
Workbench 7；
Workpiece substrate 8；
Processing platform 9；
Platform X-direction rotating stepper motor 6 is provided with the platform Z axis guide rail 2；Platform X-direction rotates stepping
Motor 6 moves up and down on Z axis；
The platform Y-axis guide rail 3 can the side-to-side movement in platform X-axis guide rail 1；
The platform Z axis guide rail 2 can be moved forward and backward in platform Y-axis guide rail 3；
The workbench 7 is connected on platform X-direction rotating stepper motor 6, and in the control of central control system 14
Under system, the movement of three axles can be achieved and X-direction is rotated；
The connecting platform Z-direction rotating stepper motor 5 of processing platform 9 is simultaneously arranged on workbench 7, workpiece substrate
8 are connected with processing platform 9, and under the control of central control system 14, the movement of three axles and X-axis and Z-direction can be achieved
Rotate.
The vertical milling milling device includes：
The milling X-axis guide rail 16 of planer type structure；
The milling Y-axis guide rail 15 of girder structure；
The milling Z axis guide rail 13 of cantilever structure；
Milling drive shaft 17 is set in the milling X-axis guide rail 16, and the end of milling drive shaft 17 sets cutter 10；
The milling Y-axis guide rail 15 moves up and down in milling Z axis guide rail 13；
The milling X-axis guide rail 16 is moved forward and backward along milling Y-axis guide rail 15；
Under the control of central control system 14, milling drive shaft 17 carries cutter 10 according to path planning to processing
Into or the workpiece 26 that is partially completed carry out Milling Process.
The vertical milling milling device also includes：
Milling cutter body 11 for arrangement of tool 10；
The stepper motor 12 for driving milling cutter body 11 to rotate；
Tool changing can use manual mode or automatic mode；
During according to automatic mode tool changing, milling X-axis guide rail 16 is controlled along milling Y-axis guide rail by central control system 14
15 move forward and backward, to adjust the unloading in knife station, milling drive shaft 17 in milling X-axis guide rail 16 of milling drive shaft 17
The magnetic of calutron for adsorbing cutter 10 disappears, and cutter falls to put under gravity unloads knife work on milling cutter body 11
In position, milling drive shaft 17 is then controlled to run to the corresponding cutter of milling cutter body 11 and gradually proximate to it,
Under the magnetic adsorptive power effect of calutron, corresponding cutter 10 is sucked in the knife rest mounting hole of milling drive shaft 17, it is real
Existing cutter changing and installation.
The microplasma rifle 21 passes through the cooler 24 for being used to radiate to it outside pipeline connection；Described microbeam etc.
Ion gun 21 passes through the powder feeding device 23 outside pipeline connection.
The sealing moulding room 25 passes through the protection air feed system 4 outside pipeline connection.
The sealing moulding room 25 also includes gas circulation cleaning system；
The gas circulation cleaning system includes：
Vacuum extractor；
Oxygen content is detected and reponse system；
Gas circulation purifier；
Start before shaping, vacuum extractor will be evacuated to low-pressure state in sealing moulding room 25, and by protection air feed system 4
It is filled with inert gas；Oxygen content detector detects oxygen content in sealing moulding room 25 in real time；When the processing of workpiece 26 is carried out, sealing
Oxygen content in forming room 25 can be changed, and during beyond default content range, reponse system sends feedback signal to monitoring system,
Start vacuum extractor and protection air feed system 4, to reduce shaping room pressure and be passed through protection gas, reach that reduction is sealed to
The purpose of oxygen content in type room 25.
Plasma and multi-axis NC Machine Tools the increase and decrease material is combined the operation method of 3D printing equipment, comprises the following steps：
Step 1：Before shaping, sealing moulding room 25 is in after vacuum state, then be passed through protection gas；
Step 2：Five shaft five linkage numerically controlled machining platform is started working；
Its platform Y-axis guide rail 3 is moved to the centre position of platform X-axis guide rail 1 along platform X-axis guide rail 1；
Its platform Z axis guide rail 2 is moved to the centre position of platform Y-axis guide rail 3 along platform Y-axis guide rail 3；
Its platform X-direction rotating stepper motor 6 is moved to the interposition of platform Z axis guide rail 2 along platform Z axis guide rail 2
Put, the horizontal direction of platform X-direction rotating stepper motor 6 resets, platform Z-direction rotating stepper motor 5 resets；
Step 3：Microplasma rifle 21 starts movement, and Y-axis guide rail 19 is moved to workpiece substrate 8 along Z axis guide rail 18
Top precalculated position, X-axis guide rail 22 is moved to the surface of workpiece substrate 8 along Y-axis guide rail 19, microplasma rifle 21 along
Ion gun X-axis guide rail 22 is moved to above the center of workpiece substrate 8；
Step 4：Microplasma rifle 21 is started working, and the control cooler 24 of central control system 14 is started working；
Central control system 14 controls powder feeding device 23 according to predetermined amount of flow, at the nozzle of microplasma rifle 21
Send into powder；
The micro-beam plasma arc fusing metal powder of microplasma rifle 21, and according to path planning workpiece 26 is carried out by
Layer printing, when workpiece 26 completes processing or midway stops needing Milling Process, microplasma rifle 21 retracts initial position；
Step 5：According to path planning, the control workpiece substrate 8 of central control system 14 carries out five linkage conversion adjustment positions
Afterwards, vertical milling milling device is started working；
Milling X-axis guide rail 16 is moved to the surface of workpiece substrate 8, the edge of milling Y-axis guide rail 15 along milling Y-axis guide rail 15
Milling Z axis guide rail 13 and be moved down into precalculated position, 17 position in milling X-axis guide rail of adjustment milling drive shaft is entered
Row is to knife；
After completing to knife, milling drive shaft 17 starts feeding along any direction of principal axis, cuts the band excision on forming surface surface
Bossing；
Complete after chip, milling X-axis guide rail 16, milling Y-axis guide rail 15 retract initial position；
Step 6：Repeat step 3 is to step 5, until workpiece 26 is machined.
It is of the invention with existing micro-beam plasma arc powder melting Quick-forming equip compared with, this equipment is realized at one
Alternately increase and decrease material manufacture in device, so as to improve the surface quality and higher machining accuracy of workpiece, and may be used also
To realize the manufacture of profile-followed different in nature pipeline that traditional handicraft can not be realized, successfully by the increasing material manufacturing of micro-beam plasma arc thin-walled and
Multi-axis numerical control mechanism and milling subtract material and combined together, realize efficient increase and decrease material Compound Machining.
The present invention can be processed first after workpiece using micro-beam plasma arc, then carry out personalization using precision milling again
Finishing, improves the dimensional accuracy and surface quality of shaping workpiece, and can produce complex-shaped special-shaped pipeline zero
Part.
Brief description of the drawings
Fig. 1 is that plasma of the present invention and multi-axis NC Machine Tools increase and decrease material are combined 3D printing equipment positive structure diagram.
Fig. 2 is microplasma processing unit (plant) schematic diagram.
Fig. 3 is five shaft five linkage numerically controlled machining platform schematic diagram.
Fig. 4 is vertical milling milling device tool changing positive structure diagram.
Fig. 5 is vertical milling milling device tool changing overlooking the structure diagram.
Schematic diagrames of the Fig. 6 for illustration in the special-shaped pipe piece of printing.
Schematic diagrames of the Fig. 7 for illustration in special-shaped pipe piece milling in Fig. 6.
Embodiment
The present invention is more specifically described in detail with reference to specific embodiment.
As shown in Fig. 1 to 7.It is combined 3D printing the invention discloses a kind of plasma and multi-axis NC Machine Tools increase and decrease material and sets
It is standby, including central control system 14, sealing moulding room 25；
25 points of the sealing moulding room is：Ith area, IIth area, IIIth area；
Ith area is used to place microplasma processing unit (plant)；
IIth area is used to place five shaft five linkage numerically controlled machining platform；
IIIth area is used to place vertical milling milling device；
The central control system 14 is used for：Control microplasma processing unit (plant) completes workpiece according to path planning
Process operation；Control five shaft five linkage numerically controlled machining platform realizes that motion of the workpiece in X, Y, Z axis direction is made according to path planning
Industry；Vertical milling milling device is controlled to carry out milling operation to the workpiece 26 on five shaft five linkage numerically controlled machining platform.
Such as Fig. 2；The microplasma processing unit (plant) includes：
Microplasma rifle 21；
The X-axis guide rail 22 of planer type structure；
The Y-axis guide rail 19 of girder structure；
The Z axis guide rail 18 of cantilever structure；
The Y-axis guide rail 19 moves up and down in Z axis guide rail 18；
The X-axis guide rail 22 is moved forward and backward in Y-axis guide rail 19；
The microplasma rifle 21 is arranged in X-axis guide rail 22, and can the side-to-side movement in X-axis guide rail 22；In center
Under the control of control system 14, microplasma rifle 21 can be achieved and is moved in the axle of X, Y, Z tri-.
Such as Fig. 3；The five shaft five linkage numerically controlled machining platform includes：
The platform X-axis guide rail 1 of floor rail type structure；
The platform Y-axis guide rail 3 of girder structure；
The platform Z axis guide rail 2 of cantilever structure；
Workbench 7；
Workpiece substrate 8；
Processing platform 9；
Platform X-direction rotating stepper motor 6 is provided with the platform Z axis guide rail 2；Platform X-direction rotates stepping
Motor 6 moves up and down on Z axis；
The platform Y-axis guide rail 3 can the side-to-side movement in platform X-axis guide rail 1；
The platform Z axis guide rail 2 can be moved forward and backward in platform Y-axis guide rail 3；
The workbench 7 is connected on platform X-direction rotating stepper motor 6, and in the control of central control system 14
Under system, the movement of three axles can be achieved and X-direction is rotated；
The connecting platform Z-direction rotating stepper motor 5 of processing platform 9 is simultaneously arranged on workbench 7, workpiece substrate
8 are connected with processing platform 9, and under the control of central control system 14, the movement of three axles and X-axis and Z-direction can be achieved
Rotate.
Such as Fig. 4, Fig. 1；The vertical milling milling device includes：
The milling X-axis guide rail 16 of planer type structure；
The milling Y-axis guide rail 15 of girder structure；
The milling Z axis guide rail 13 of cantilever structure；
Milling drive shaft 17 is set in the milling X-axis guide rail 16, and the end of milling drive shaft 17 sets cutter 10；
The milling Y-axis guide rail 15 moves up and down in milling Z axis guide rail 13；
The milling X-axis guide rail 16 is moved forward and backward along milling Y-axis guide rail 15；
Under the control of central control system 14, milling drive shaft 17 carries cutter 10 according to path planning to processing
Into or the workpiece 26 that is partially completed carry out Milling Process.
Such as Fig. 4, Fig. 5；The vertical milling milling device also includes：
Milling cutter body 11 for arrangement of tool 10；
The stepper motor 12 for driving milling cutter body 11 to rotate；
Tool changing can use manual mode or automatic mode；
During according to automatic mode tool changing, milling X-axis guide rail 16 is controlled along milling Y-axis guide rail by central control system 14
15 move forward and backward, to adjust the unloading in knife station, milling drive shaft 17 in milling X-axis guide rail 16 of milling drive shaft 17
The magnetic of calutron for adsorbing cutter 10 disappears, and cutter falls to put under gravity unloads knife work on milling cutter body 11
In position, milling drive shaft 17 is then controlled to run to the corresponding cutter of milling cutter body 11 and gradually proximate to it,
Under the magnetic adsorptive power effect of calutron, corresponding cutter 10 is sucked in the knife rest mounting hole of milling drive shaft 17, it is real
Existing cutter changing and installation.
Such as Fig. 1；The microplasma rifle 21 passes through the cooler 24 for being used to radiate to it outside pipeline connection；It is described
Microplasma rifle 21 passes through the powder feeding device 23 outside pipeline connection.
Such as Fig. 1；The sealing moulding room 25 passes through the protection air feed system 4 outside pipeline connection.
The sealing moulding room 25 also includes gas circulation cleaning system (not shown)；
The gas circulation cleaning system includes：
Vacuum extractor；
Oxygen content is detected and reponse system；
Gas circulation purifier；
Start before shaping, vacuum extractor will be evacuated to low-pressure state in sealing moulding room 25, and by protection air feed system 4
It is filled with inert gas；Oxygen content detector detects oxygen content in sealing moulding room 25 in real time；When the processing of workpiece 26 is carried out, sealing
Oxygen content in forming room 25 can be changed, and during beyond default content range, reponse system sends feedback signal to monitoring system,
Start vacuum extractor and protection air feed system 4, to reduce shaping room pressure and be passed through protection gas, reach that reduction is sealed to
The purpose of oxygen content in type room 25.
Plasma and multi-axis NC Machine Tools increase and decrease material of the present invention is combined the operation method of 3D printing equipment, can be by walking as follows
It is rapid to realize：
Step 1：Before shaping, sealing moulding room 25 is in after vacuum state, then be passed through protection gas；
Step 2：Five shaft five linkage numerically controlled machining platform is started working；
Its platform Y-axis guide rail 3 is moved to the centre position of platform X-axis guide rail 1 along platform X-axis guide rail 1；
Its platform Z axis guide rail 2 is moved to the centre position of platform Y-axis guide rail 3 along platform Y-axis guide rail 3；
Its platform X-direction rotating stepper motor 6 is moved to the interposition of platform Z axis guide rail 2 along platform Z axis guide rail 2
Put, the horizontal direction of platform X-direction rotating stepper motor 6 resets, platform Z-direction rotating stepper motor 5 resets；
Step 3：Microplasma rifle 21 starts movement, and Y-axis guide rail 19 is moved to workpiece substrate 8 along Z axis guide rail 18
Top precalculated position, X-axis guide rail 22 is moved to the surface of workpiece substrate 8 along Y-axis guide rail 19, microplasma rifle 21 along
Ion gun X-axis guide rail 22 is moved to above the center of workpiece substrate 8；
Step 4：Microplasma rifle 21 is started working, and the control cooler 24 of central control system 14 is started working；
Central control system 14 controls powder feeding device 23 according to predetermined amount of flow, at the nozzle of microplasma rifle 21
Send into powder；
The micro-beam plasma arc fusing metal powder of microplasma rifle 21, and according to path planning workpiece 26 is carried out by
Layer printing, when workpiece 26 completes processing or midway stops needing Milling Process, microplasma rifle 21 retracts initial position；
Step 5：According to path planning, the control workpiece substrate 8 of central control system 14 carries out five linkage conversion adjustment positions
Afterwards, vertical milling milling device is started working；
Milling X-axis guide rail 16 is moved to the surface of workpiece substrate 8, the edge of milling Y-axis guide rail 15 along milling Y-axis guide rail 15
Milling Z axis guide rail 13 and be moved down into precalculated position, 17 position in milling X-axis guide rail of adjustment milling drive shaft is entered
Row is to knife；
After completing to knife, milling drive shaft 17 starts feeding along any direction of principal axis, cuts the band excision on forming surface surface
Bossing；
Complete after chip, milling X-axis guide rail 16, milling Y-axis guide rail 15 retract initial position；
Step 6：Repeat step 3 is to step 5, until workpiece 26 is machined.
As described above, the present invention can be better realized.
Embodiments of the present invention are simultaneously not restricted to the described embodiments, other any Spirit Essences without departing from the present invention
With the change made under principle, modification, replacement, combine, simplify, should be equivalent substitute mode, be included in the present invention
Within protection domain.
Claims (9)
1. a kind of plasma and multi-axis NC Machine Tools increase and decrease material are combined 3D printing equipment, including central control system (14), sealing
Forming room (25)；It is characterized in that：
The sealing moulding room (25) is divided into：Ith area, IIth area, IIIth area；
Ith area is used to place microplasma processing unit (plant)；
IIth area is used to place five shaft five linkage numerically controlled machining platform；
IIIth area is used to place vertical milling milling device；
The central control system (14) is used for：Control microplasma processing unit (plant) completes adding for workpiece according to path planning
Work industry；Control five shaft five linkage numerically controlled machining platform realizes motion work of the workpiece in X, Y, Z axis direction according to path planning；
Vertical milling milling device is controlled to carry out milling operation to the workpiece (26) on five shaft five linkage numerically controlled machining platform.
2. plasma and multi-axis NC Machine Tools increase and decrease material are combined 3D printing equipment according to claim 1, it is characterised in that institute
Stating microplasma processing unit (plant) includes：
Microplasma rifle (21)；
The X-axis guide rail (22) of planer type structure；
The Y-axis guide rail (19) of girder structure；
The Z axis guide rail (18) of cantilever structure；
The Y-axis guide rail (19) moves up and down in Z axis guide rail (18)；
The X-axis guide rail (22) moves forward and backward in Y-axis guide rail (19)；
The microplasma rifle (21) is arranged in X-axis guide rail (22), and can the side-to-side movement in X-axis guide rail (22)；In
Under the control for entreating control system (14), microplasma rifle (21) can be achieved and is moved in the axle of X, Y, Z tri-.
3. plasma and multi-axis NC Machine Tools increase and decrease material are combined 3D printing equipment according to claim 2, it is characterised in that institute
Stating five shaft five linkage numerically controlled machining platform includes：
The platform X-axis guide rail (1) of floor rail type structure；
The platform Y-axis guide rail (3) of girder structure；
The platform Z axis guide rail (2) of cantilever structure；
Workbench (7)；
Workpiece substrate (8)；
Processing platform (9)；
Platform X-direction rotating stepper motor (6) is provided with the platform Z axis guide rail (2)；Platform X-direction rotates stepping
Motor (6) moves up and down on Z axis；
The platform Y-axis guide rail (3) can the side-to-side movement in platform X-axis guide rail (1)；
The platform Z axis guide rail (2) can move forward and backward in platform Y-axis guide rail (3)；
The workbench (7) is connected on platform X-direction rotating stepper motor (6), and in central control system (14)
Under control, the movement of three axles can be achieved and X-direction is rotated；
Processing platform (9) the connecting platform Z-direction rotating stepper motor (5) is simultaneously arranged on workbench (7), workpiece base
Plate (8) is connected with processing platform (9), and under the control of central control system (14), the movement of three axles and X-axis and Z can be achieved
Direction of principal axis is rotated.
4. plasma and multi-axis NC Machine Tools increase and decrease material are combined 3D printing equipment according to claim 3, it is characterised in that institute
Stating vertical milling milling device includes：
The milling X-axis guide rail (16) of planer type structure；
The milling Y-axis guide rail (15) of girder structure；
The milling Z axis guide rail (13) of cantilever structure；
Milling drive shaft (17) is set on the milling X-axis guide rail (16), and milling drive shaft (17) end sets cutter
(10)；
The milling Y-axis guide rail (15) moves up and down in milling Z axis guide rail (13)；
The milling X-axis guide rail (16) moves forward and backward along milling Y-axis guide rail (15)；
Under the control of central control system (14), milling drive shaft (17) carries cutter (10) according to path planning to processing
The workpiece (26) for completing or being partially completed carries out Milling Process.
5. plasma and multi-axis NC Machine Tools increase and decrease material are combined 3D printing equipment according to claim 4, it is characterised in that institute
Stating vertical milling milling device also includes：
Milling cutter body (11) for arrangement of tool (10)；
The stepper motor (12) for driving milling cutter body (11) to rotate；
Tool changing can use manual mode or automatic mode；
During according to automatic mode tool changing, milling X-axis guide rail (16) is controlled along milling Y-axis guide rail by central control system (14)
(15) move forward and backward, knife station, milling drive shaft are unloaded in milling X-axis guide rail (16) to adjust milling drive shaft (17)
(17) magnetic that being used on adsorbs the calutron of cutter (10) disappears, and cutter falls under gravity puts milling cutter body
(11) unloading in knife station on, then controls directly over milling drive shaft (17) operation to the corresponding cutter of milling cutter body (11)
And it is gradually proximate to it, under the magnetic adsorptive power effect of calutron, corresponding cutter (10) is sucked into milling drive shaft
(17) in knife rest mounting hole, cutter changing and installation are realized.
6. plasma and multi-axis NC Machine Tools increase and decrease material are combined 3D printing equipment according to any one of claim 1 to 5, its
It is characterised by, the microplasma rifle (21) passes through the cooler (24) for being used to radiate to it outside pipeline connection；It is described
Microplasma rifle (21) passes through the powder feeding device (23) outside pipeline connection.
7. plasma and multi-axis NC Machine Tools increase and decrease material are combined 3D printing equipment according to claim 6, it is characterised in that institute
State sealing moulding room (25) and pass through the protection air feed system (4) outside pipeline connection.
8. plasma and multi-axis NC Machine Tools increase and decrease material are combined 3D printing equipment according to claim 7, it is characterised in that institute
Stating sealing moulding room (25) also includes gas circulation cleaning system；
The gas circulation cleaning system includes：
Vacuum extractor；
Oxygen content is detected and reponse system；
Gas circulation purifier；
Start before shaping, vacuum extractor will be evacuated to low-pressure state in sealing moulding room (25), and by protection air feed system (4)
It is filled with inert gas；Oxygen content detector detects sealing moulding room (25) interior oxygen content in real time；When workpiece (26) processing is carried out,
Oxygen content in sealing moulding room (25) can be changed, and during beyond default content range, reponse system is sent instead to monitoring system
Feedback signal, starts vacuum extractor and protection air feed system (4), to reduce shaping room pressure and be passed through protection gas, reaches
Reduce the purpose of sealing moulding room (25) interior oxygen content.
9. plasma described in claim 8 and multi-axis NC Machine Tools increase and decrease material are combined the operation method of 3D printing equipment, its feature
It is to comprise the following steps：
Step (1)：Before shaping, sealing moulding room (25) are in after vacuum state, then be passed through protection gas；
Step (2)：Five shaft five linkage numerically controlled machining platform is started working；
Its platform Y-axis guide rail (3) is moved to the centre position of platform X-axis guide rail (1) along platform X-axis guide rail (1)；
Its platform Z axis guide rail (2) is moved to platform Y-axis guide rail (3) centre position along platform Y-axis guide rail (3)；
Its platform X-direction rotating stepper motor (6) is moved to the centre of platform Z axis guide rail (2) along platform Z axis guide rail (2)
Position, platform X-direction rotating stepper motor (6) horizontal direction resets, and platform Z-direction rotating stepper motor (5) resets；
Step (3)：Microplasma rifle (21) starts movement, and Y-axis guide rail (19) is moved to workpiece substrate along Z axis guide rail (18)
(8) top precalculated position, X-axis guide rail (22) is moved to the surface of workpiece substrate (8), microbeam etc. along Y-axis guide rail (19)
Ion gun (21) is moved to above workpiece substrate (8) center along ion gun X-axis guide rail (22)；
Step (4)：Microplasma rifle (21) is started working, and central control system (14) control cooler (24) is started working；
Central control system (14) control powder feeding device (23) is according to predetermined amount of flow, to the nozzle of microplasma rifle (21)
Place's feeding powder；
The micro-beam plasma arc fusing metal powder of microplasma rifle (21), and according to path planning to workpiece (26) carry out by
Layer printing, when workpiece (26) completes processing or midway stops needing Milling Process, microplasma rifle (21) retracts initial bit
Put；
Step (5)：According to path planning, central control system (14) control workpiece substrate (8) carries out five linkage conversion adjustment positions
Postpone, vertical milling milling device is started working；
Milling X-axis guide rail (16) is moved to the surface of workpiece substrate (8), milling Y-axis guide rail along milling Y-axis guide rail (15)
(15) precalculated position is moved down into along milling Z axis guide rail (13), adjustment milling drive shaft (17) is in milling X-axis guide rail
Position, carry out to knife；
After completing to knife, milling drive shaft (17) starts feeding along any direction of principal axis, cuts the band excision on forming surface surface
Bossing；
Complete after chip, milling X-axis guide rail (16), milling Y-axis guide rail (15) retract initial position；
Step (6)：Repeat step (3) is to step (5), until workpiece (26) is machined.
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| CN201710245796.0A CN107009150B (en) | 2017-04-14 | 2017-04-14 | Plasma and multi-axis numerical control machine tool material increasing and decreasing composite 3D printing equipment and method |
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