CN104607639B - A kind of surface reconditioning forming devices printed for metal 3D - Google Patents
A kind of surface reconditioning forming devices printed for metal 3D Download PDFInfo
- Publication number
- CN104607639B CN104607639B CN201510014993.2A CN201510014993A CN104607639B CN 104607639 B CN104607639 B CN 104607639B CN 201510014993 A CN201510014993 A CN 201510014993A CN 104607639 B CN104607639 B CN 104607639B
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- sixdegree
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- forming devices
- freedom simulation
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- 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
- B23P6/00—Restoring or reconditioning objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/03—Observing, e.g. monitoring, the workpiece
- B23K26/032—Observing, e.g. monitoring, the workpiece using optical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/083—Devices involving movement of the workpiece in at least one axial direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
- B23K26/0876—Devices involving movement of the laser head in at least one axial direction in at least two axial directions
- B23K26/0884—Devices involving movement of the laser head in at least one axial direction in at least two axial directions in at least in three axial directions, e.g. manipulators, robots
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/1462—Nozzles; Features related to nozzles
- B23K26/1464—Supply to, or discharge from, nozzles of media, e.g. gas, powder, wire
- B23K26/1476—Features inside the nozzle for feeding the fluid stream through the nozzle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/34—Laser welding for purposes other than joining
- B23K26/342—Build-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
- B23K26/703—Cooling arrangements
Abstract
The invention discloses a kind of surface reconditioning forming devices printed for metal 3D, print forming devices and the second comprehensive sixdegree-of-freedom simulation including the first comprehensive sixdegree-of-freedom simulation, shell, spacescan camera head, processing workpiece, workpiece lifting pallet, metal 3D；Described first comprehensive sixdegree-of-freedom simulation and the second comprehensive sixdegree-of-freedom simulation are symmetrically mounted on outer casing inner wall；Described metal 3D prints forming devices and spacescan camera head is separately mounted to the first comprehensive sixdegree-of-freedom simulation and the terminal position of the second comprehensive sixdegree-of-freedom simulation；Described workpiece lifting pallet is arranged on outer casing bottom；Described processing workpiece setting is on workpiece lifting pallet.The present invention can carry out surface plastotype to motlten metal in 3D print procedure, can carry out complete monitoring shooting by the process printing 3D simultaneously, be identified rejected region and record, and utilizes metal 3D printing to repair.
Description
Technical field
The invention belongs to metal 3D printing technique field, be specifically related to a kind of surface reconditioning forming devices printed for metal 3D.
Background technology
3D printing technique is also known as " add and manufacture " technology (Additive Manufacturing).A kind of with traditional material removal process method is contrary, based on three-dimensional digital model, generally uses the technique that successively material is stacked up by manufacture.First 3D printer results from 1984, and through the development of nearly 30 years, 3D printing technique progressively became one of the most vital advanced manufacturing technology.
3D printing technique is the three-dimensional entity model utilizing CAD software to design part, then according to concrete technological requirement, according to certain thickness, model is carried out hierarchy slicing process, by its discrete turn to a series of two dimension aspect, again two-dimensional layer surface information carried out data process and add machined parameters, generating numerical control code molding machine, the sequence of motion controlling forming machine completes the molding manufacture of each aspect, until processing the prototype consistent with cad model or part.
At present, the 3D printing technique really being able to manufacture precision metal detail has precinct laser fusion and precinct laser sintering.Wherein precinct laser fusion uses laser to irradiate the powder stream of conveying, and laser works with conveying powder simultaneously, and the part strength produced meets or exceeds the part that Conventional processing methods produces, and has a good application prospect, and is the Main way of research and development at present.
Moulding process technology is to make metal under external force (typically pressure) acts on, and produces plastic deformation, it is thus achieved that a kind of basic metalworking technology of the goods of required form, size, tissue and performance, to claim pressure processing habitually in the past.The not only raw materials consumption of moulding process technology is few, and production efficiency is high, constant product quality, and can also effectively improve the structure property of metal.These technical and distinctive feature economically and advantages, make it one of extremely important means in intermetallic composite coating, thus in national economy, occupy highly important status, and jet-propelled shaping technology is in present stage technical field or the most more advanced and the most domestic relatively fewer to the research of the moulding processing utilizing spray noble gas to carry out workpiece.
3D of the prior art prints in the course of processing, the molten metal material of processing, due to the surface error that in liquid metal surface tension or 3D print procedure, metal stack lay becomes between layers, simultaneously, go bad owing to molten metal surface is oxidized easily, the dependability of impact processing workpiece, makes rapidoprint performance in the course of processing change, or the practical work piece processed has certain deviation with ideal design workpiece out.
Summary of the invention
Problem to be solved by this invention is to provide a kind of surface reconditioning forming devices printed for metal 3D, this device uses jet-propelled structure, motlten metal in 3D print procedure can be carried out surface plastotype, it is to avoid due to the surface error that in liquid metal surface tension or 3D print procedure, metal stack lay becomes between layers；This device can carry out complete monitoring shooting to the process that 3D prints, and is identified rejected region and record simultaneously, and utilizes metal 3D printing to repair.
The present invention adopts the following technical scheme that a kind of surface reconditioning forming devices printed for metal 3D, prints forming devices and the second comprehensive sixdegree-of-freedom simulation including the first comprehensive sixdegree-of-freedom simulation, shell, spacescan camera head, processing workpiece, workpiece lifting pallet, metal 3D；Described first comprehensive sixdegree-of-freedom simulation and the second comprehensive sixdegree-of-freedom simulation are symmetrically mounted on outer casing inner wall；Described metal 3D prints forming devices and spacescan camera head is separately mounted to the first comprehensive sixdegree-of-freedom simulation and the terminal position of the second comprehensive sixdegree-of-freedom simulation；Described workpiece lifting pallet is arranged on outer casing bottom；Described processing workpiece setting is on workpiece lifting pallet.
Described metal 3D prints and is disposed with spiral type coolant circulation passage, noble gas passage, injection of material passage and laser beam passway by outside to center inside forming devices.
Described spacescan camera head includes camera head support, in high precision photographic head, mechanical arm attachment structure and combined light source, described camera head support is concave, described mechanical arm attachment structure is arranged at the centre position of camera head support, and described high accuracy photographic head and combined light source are separately positioned on the both sides of camera head support.
The structure of described first comprehensive sixdegree-of-freedom simulation and the second comprehensive sixdegree-of-freedom simulation is identical.
nullCompared with prior art，The present invention utilizes metal 3D printing forming devices to carry out 3D and prints processing，To due in liquid metal surface tension or 3D print procedure between layers metal stack lay become surface error，Carry out surface plastotype，Improve 3D print surface crudy，Simultaneously，Carry out inert gas shielding，Make molten metal material not oxidized，Finished work surface can also be carried out the reparation of defect，Improve workpiece surface quality，Defect finished surface occur compensates reparation，Make workpiece closer to ideal form，Metal 3D prints the nozzle of forming devices and is made up of a series of the most uniform small through hole，The gas that can make ejection is more uniform，Metal 3D prints forming devices can also be according to the requirement of processing，The speed of regulation jet、Flow、Temperature，Carry out main processing、Secondary process、Cold working、Hot-working etc.，Process is convenient，Efficiency is high，Surface process for workpiece provides a brand-new method.
Metal 3D prints forming devices can arrive the optional position in machining area under the auxiliary of comprehensive space sixdegree-of-freedom simulation, complete space feeding at any angle, plastotype is processed, realize the repairing to machined part defect, on spacescan camera head, the use of combined light source reduces concavo-convex, S type, the image taking difficulty of the configurations of surface such as groove, photographic head can easily gather workpiece arbitrary surfaces image in high precision, realize in any condition the surface of the work of processing being carried out free shooting, do not stay any blind area, make processing workpiece as close possible to the form of design.
The basic structure of two comprehensive space sixdegree-of-freedom simulation is similar, metal 3D prints forming devices and scan camera shooting device is respectively installed on two mechanical arms, two comprehensive space sixdegree-of-freedom simulation become skew symmetry arrangement to be arranged on outer casing inner wall, be conducive to the motion of each comprehensive space sixdegree-of-freedom simulation, ensure that motion does not produce interference, metal 3D printing forming devices and scan camera shooting device can be made to reach to process the optional position in the space at workpiece place, simultaneously, ensure arbitrarily angled surface of the work is scanned shooting, reach to expect the purpose wanted.
Accompanying drawing explanation
Below with reference to accompanying drawing and combine example and be specifically described the present invention, advantages of the present invention and implementation will become apparent from, wherein content shown in accompanying drawing is only used for explanation of the present invention, and does not constitute the restriction gone up in all senses to the present invention, in the accompanying drawings:
Fig. 1 is the structural representation of the surface reconditioning forming devices that the present invention prints for metal 3D；
Fig. 2 is the top view that in the present invention, metal 3D prints forming devices；
Fig. 3 is the A-A sectional view that in the present invention, metal 3D prints forming devices；
Fig. 4 is scan camera shooting apparatus structure schematic diagram in space in the present invention；
Fig. 5 is the combined light source structural representation in the present invention on space scan camera shooting device；
Fig. 6 is comprehensive sixdegree-of-freedom simulation structural representation in the present invention.
Detailed description of the invention
As shown in Figure 1, a kind of surface reconditioning forming devices printed for metal 3D of the present invention, prints forming devices 3, spacescan camera head 4, workpiece lifting pallet 5, processing workpiece 6 and the second comprehensive sixdegree-of-freedom simulation 7 including the first comprehensive sixdegree-of-freedom simulation 1, shell 2, metal 3D；Described first comprehensive sixdegree-of-freedom simulation 1 and the second comprehensive sixdegree-of-freedom simulation 7 are symmetrically mounted on the inwall of shell 2；Described metal 3D prints forming devices 3 and spacescan camera head 4 is separately mounted to the first comprehensive sixdegree-of-freedom simulation 1 and terminal position of the second comprehensive sixdegree-of-freedom simulation 7；Described workpiece lifting pallet 5 is arranged on bottom shell 2；Described processing workpiece 6 is arranged on workpiece lifting pallet.
nullDescribed first comprehensive sixdegree-of-freedom simulation 1 can drive metal 3D to print any position that forming devices 3 arrives in machining area，Make metal 3D print forming devices 3 processing workpiece 6 is processed protection or processing workpiece 6 surface is repaired again，Simultaneously，Second comprehensive sixdegree-of-freedom simulation 7 drives spacescan camera head 4 that the course of processing of workpiece is carried out real-time monitoring，Scanning shoot goes out to process the external shape of workpiece 6，The image that photographic head 4-2 gathers in high precision is through visual processes software，Image is carried out pretreatment，Mate with standard picture，Rejected region is identified，And record spatial value，For surface reconditioning moulding offer reference frame，The first comprehensive space sixdegree-of-freedom simulation 1 that fixing metal 3D prints forming devices drives metal 3D to print forming devices 3 under the order of computer and again repairs manufacturing deficiency.
Shown in Fig. 2 and Fig. 3 is that metal 3D prints the top view of forming devices 3 and sectional view, this metal 3D print forming devices 3 internal include being set gradually by outside to center spiral type coolant circulation passage 3-1, noble gas passage 3-2, injection of material passage 3-3, laser beam passway 3-4.Different from general air jet system, the metal 3D of the present invention prints the nozzle of forming devices 3 and is made up of a series of small uniform equidistant through hole, the gas that can make ejection is more uniform, metal 3D prints forming devices 3 can be according to the requirement of processing, the regulation speed of jet, flow, temperature, in order to carry out main processing, secondary process, cold working, hot-working etc., injection of material passage 3-3 can spray adjustable tinsel material on request, with the help of laser beam, the surface crater of workpiece be compensated reparation.Spiral type coolant circulation passage 3-1 can be passed through coolant, take away heat unnecessary produced by laser long-term irradiation, reduce metal 3D and print the temperature of forming devices 3, extend its service life.
Shown in Fig. 4 is the schematic diagram of spacescan camera head 4, spacescan camera head 4 includes camera head support 4-1, in high precision photographic head 4-2 and mechanical arm attachment structure 4-3, combined light source 4-4, described camera head support 4-1 is concave, the described centre position being arranged at camera head support 4-1 with mechanical arm attachment structure 4-3, described high accuracy photographic head 4-2 and combined light source 4-4 is separately positioned on the both sides of camera head support 4-1.Combined light source 4-4 is made up of axis light, ring light and reflection light, can improve surface defect shooting effect according to configuration of surface independent assortment.Spacescan camera head 4 is issued to process the optional position on workpiece 6 surface in the auxiliary of the second comprehensive sixdegree-of-freedom simulation 7, it is scanned shooting, owing to the use of combined light source 4-4 reduces the image taking difficulty to configurations of surface such as concavo-convex, S type, grooves, photographic head can easily gather workpiece arbitrary surfaces image in high precision.
Fig. 6 show mechanical arm 1 and the schematic diagram of the second comprehensive sixdegree-of-freedom simulation 7 of the first comprehensive six degree of freedom, and in the present invention, the first comprehensive sixdegree-of-freedom simulation 1 is identical with the structure of the second comprehensive sixdegree-of-freedom simulation 7.
nullThe operation principle of the present invention is: the mutually auxiliary utilizing the metal 3D being separately mounted on two comprehensive space sixdegree-of-freedom simulation to print forming devices 3 and spacescan camera head 4 carries out surface and again repairs and surface process function workpiece，First comprehensive sixdegree-of-freedom simulation 1 can drive metal 3D to print the optional position that forming devices 3 arrives in machining area，Spacescan camera head 4 is furnished with high accuracy photographic head 4-2 and combined light source 4-4，Any defect in any time any position of processing workpiece 6 can be caught and positions，The image that photographic head 4-2 gathers in high precision is through visual processes software，Image is carried out pretreatment，Mate with standard picture，Rejected region is identified，And record spatial value，For surface reconditioning moulding offer reference frame，Computer transmits information to metal 3D and prints forming devices 3，Drive metal 3D to print forming devices 3 defect of processing workpiece 6 is modified，The workpiece shapes reaching design is consistent with the workpiece shapes processed.During real work; this device is added in the course of processing that 3D prints; 3D is printed processing and carries out protection monitoring; the processing workpiece having printed 3D is scanned again repairing; also individually the defect on surface to processing workpiece can carry out real-time reparation, or printing forming devices individually with metal 3D carries out moulding processing to processing workpiece.
Above embodiments of the invention are described in detail, but described content is only presently preferred embodiments of the present invention, being not to be regarded as the practical range for limiting the present invention, all impartial changes made according to the scope of the invention and improvement etc., within all should still belonging to this patent covering scope.
Claims (1)
1. the surface reconditioning forming devices printed for metal 3D, it is characterised in that: include the first full side
Position sixdegree-of-freedom simulation, shell, spacescan camera head, processing workpiece, workpiece lifting pallet,
Metal 3D prints forming devices and the second comprehensive sixdegree-of-freedom simulation；Described first comprehensive six certainly
It is symmetrically mounted on outer casing inner wall by degree mechanical arm and the second comprehensive sixdegree-of-freedom simulation；Described metal
3D prints forming devices and spacescan camera head is separately mounted to the first comprehensive six degree of freedom machinery
Arm and the terminal position of the second comprehensive sixdegree-of-freedom simulation；Described workpiece lifting pallet is arranged on shell
Bottom；Described processing workpiece setting is on workpiece lifting pallet；Described metal 3D prints in forming devices
Portion is disposed with spiral type coolant circulation passage, noble gas passage, material spray by outside to center
Penetrate passage and laser beam passway；Described spacescan camera head includes that camera head support, high accuracy are taken the photograph
As head, mechanical arm attachment structure and combined light source；Described camera head support is concave；Described mechanical arm
Attachment structure is arranged at the centre position of camera head support；Described high accuracy photographic head and combined light source divide
It is not arranged on the both sides of camera head support；Described first comprehensive sixdegree-of-freedom simulation and the second full side
The structure of position sixdegree-of-freedom simulation is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510014993.2A CN104607639B (en) | 2015-01-12 | 2015-01-12 | A kind of surface reconditioning forming devices printed for metal 3D |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510014993.2A CN104607639B (en) | 2015-01-12 | 2015-01-12 | A kind of surface reconditioning forming devices printed for metal 3D |
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| CN104607639A CN104607639A (en) | 2015-05-13 |
| CN104607639B true CN104607639B (en) | 2016-11-02 |
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| US11806829B2 (en) | 2020-06-19 | 2023-11-07 | Applied Materials, Inc. | Advanced polishing pads and related polishing pad manufacturing methods |
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| US11813712B2 (en) | 2019-12-20 | 2023-11-14 | Applied Materials, Inc. | Polishing pads having selectively arranged porosity |
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| Publication number | Publication date |
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| CN104607639A (en) | 2015-05-13 |
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