CN205324994U - Equipment of complicated shape part is made in sheet metal stack - Google Patents
Equipment of complicated shape part is made in sheet metal stack Download PDFInfo
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- CN205324994U CN205324994U CN201520812757.0U CN201520812757U CN205324994U CN 205324994 U CN205324994 U CN 205324994U CN 201520812757 U CN201520812757 U CN 201520812757U CN 205324994 U CN205324994 U CN 205324994U
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- storehouse
- sheet metal
- equipment
- complicated shape
- shape part
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Abstract
The utility model discloses an equipment of complicated shape part is made in sheet metal stack, the bottom axial in sealed processing storehouse has set gradually over -and -under type welding storehouse, cutting storehouse and over -and -under type material storehouse, sealed processing storehouse still is provided with the material transport mechanism by industrial computer control, and material transport mechanism is including establishing at the telescopic carriage release lever of sealed processing storehouse inside wall, setting up at the sucking disc of telescopic carriage release lever tip and set up at the outside air compressor machine that is used for providing suction for the sucking disc in sealed processing storehouse, this equipment cutting accuracy is high, and processed part size precision is within 5 microns, choose for use sheet metal as moulding material, it is lower to compare metal powder material cost, and the reduction of chooseing for use the sheet metal material can not lead to mechanical properties because of material interior tissue defect, can not cause PARTS DEFORMED because of the stress accumulation yet, compare the metal vibration material disk technique of powder class, shaping efficiency improves more than 2 times, and the part surface quality that the shaping goes out is better.
Description
Technical field
This utility model relates to increasing material and manufactures field, particularly relates to a kind of sheet metal superposition and manufactures the equipment of complicated shape part。
Background technology
Increase material manufacture and be commonly called as again 3D printing, be the technology of the method manufacture entity component successively added up by CAD design data acquisition material, remove (machining) technology relative to traditional material, be the manufacture method of a kind of " from bottom to top " material addition。Comparing traditional manufacturing technology, increasing material manufacture has can the advantage such as molding complicated shape part, high, the saving material of formed precision。And metal increases material manufacture owing to can directly manufacture the high-precision metal part of compact structure, metallurgical binding, become manufacturing technology the most popular at present。
Metal current increases the moulding material of material manufacture and is mainly dusty material, according to different powder feeding patterns, it is divided into presetting system powder feeding pattern and pattern two kinds of coaxially dusting, wherein selective laser fusing and electron beam selective melting are exactly the representative technology of presetting system powder feeding pattern, and laser near-net-shape is exactly the representative technology of pattern of coaxially dusting。The metal of this kind of dusty material increases that material manufacturing technology can molding structure be fine and close, the metal parts of metallurgical binding, and can some tradition cutting ways of molding cannot the complicated shape part of molding。
But the metal of dusty material increases material manufacturing technology there is also some following defects: first, prealloy metal powder material relatively costly；And each layer is required for being melted by laser beam or electron beam scanning, the time of molding is longer；Secondly, the processing part scope that conventional metals prints is limited, and processing part scope currently mainly, within 250 × 250 × 250mm scope, is applied limited at the straight forming of relatively large part such as some Aero-Space, moulds etc.；Finally, the insurmountable difficult problem of conventional metals 3D printing technique is that profiled member internal stress is big, easily occurs the defects such as nodularization, warpage and splashing in forming process, makes the metal parts surfaces versus rough molded or deformation occurs。
Summary of the invention
The purpose of this utility model is in that to overcome the shortcoming and defect of above-mentioned prior art, it is provided that a kind of sheet metal superposition manufactures the equipment of complicated shape part。This utility model has the advantages such as shaping efficiency height, formed precision is high, material source is wide, it is possible to makes up powdery type metal and increases the deficiency that material manufactures。
This utility model is achieved through the following technical solutions:
A kind of sheet metal superposition manufactures the equipment of complicated shape part, including sealing processing storehouse, optical machining system and industrial computer 22, it is characterised in that: the described bottom sealing processing storehouse is axially disposed with lift welding chamber 10, cutting bin 11 and lift material storehouse 12；Sealing processing storehouse and be additionally provided with the material delivery mechanism controlled by industrial computer 22, this material delivery mechanism includes being arranged on the telescopic mobile bar 19 of sealing processing medial wall, storehouse, being arranged on the sucker 20 of telescopic mobile bar 19 end and be arranged on the air compressor machine 21 for providing suction to sucker 20 sealing processing outside storehouse；
The upper port position in described lift welding chamber 10, cutting bin 11 and lift material storehouse 12, is respectively equipped with the absorption of workpieces mechanism connecting air compressor machine 21。
The described processing storehouse that seals is provided with gas circulation filter 7, and gas circulation filter 7 is for the flue dust produced in filtration process and impurity。
Optical fiber laser 1 that described optical machining system includes being sequentially connected with, beam expanding lens 2, galvanometer, focus lamp 6；Described galvanometer is cut galvanometer 4 or laser weld galvanometer 5。
Described absorption of workpieces mechanism is suction pipe 16, and suction pipe 16 connects air compressor machine 21 by pipeline, is fixed by workpiece by the absorption affinity of suction pipe 16。Air compressor machine 21 is to provide gas pressure for workpiece (material), and controls the intermittent opening and closing of air pressure。
Described sealing is provided with noble gas puff prot 19 inside processing storehouse, and noble gas puff prot 19 connection is arranged on the noble gas holding vessel 8 sealing processing outside storehouse。
Described optical fiber laser 1 wavelength is 1064nm, and laser power 20～100W is adjustable, beam quality M2< 1.1。
Described cut galvanometer 4 incident illumination aperture is 30mm, and response time is lower than 1 microsecond, and sweep limits is 350 × 350mm；Described laser weld galvanometer 5 incident illumination aperture is 20mm, and response time is lower than 0.5 microsecond, and sweep limits is 250 × 250mm。Described focus lamp 6 is F-θ focus lamp。
The processing method that sheet metal superposition manufactures complicated shape part is as follows:
Step one: three-dimensional modeling data processes
First, bottom sheet metal, interpolation is highly the vertical support bar of 2mm, as the coupling part of shaping substrate and thin plate, is cut down by the part after molding after facilitating process finishing from shaping substrate；Then, add three square positioning link bars for thin plate in the horizontal direction, make thin plate can be accurately positioned in the course of processing, make forming parts process more firm；Finally, using the lamella thickness of molding as thickness, it is layered for 3 d part, then calculates the outline data of each layer and crucial pad position；
Step 2: laser laminated processing
Sheet metal 17 is pushed up one layer by lift material storehouse 12, this sheet metal 17 is held by sucker 20, and send it to above cutting bin 11, and the edge of sheet metal 17 is adsorbed fixing by suction pipe 16, the metal dust of the generation of cutting is blown away by noble gas puff prot 19；Industrial computer 22 controls optical fiber laser 1 and sends continuous laser, by the control of beam expanding lens 2, cut galvanometer 4 and focus lamp 6, sheet metal 17 is carried out laser scanning cutting, cuts out the contour shape of this layer；After cutting terminates, sheet metal 17 cuts clout 18 and falls into bottom cutting bin 11, obtains monolayer External Shape；Close the suction of cutting bin suction pipe, the monolayer External Shape of well cutting is sent in lift welding chamber 10 by sucker 20, positioning link bar is held by suction pipe, optical fiber laser 1 switches to pulse mode, adopt laser weld galvanometer 5 that the key point in the cross section of this monolayer External Shape is welded, it is ensured that levels laminating is closely；In laser weld process, the machined surface of monolayer External Shape is carried out inert gas shielding, it is prevented that machined surface produces oxidation；Gas circulating purifying device 7 filters out the flue dust and impurity that produce in the course of processing；After complete one layer of laser weld, the height of shaping substrate decline one layer；So circulation, continuous superposition manufacture, until terminating after obtaining forming part 15；
Step 3: forming part post-processing step:
Remove support and the positioning link bar on forming part surface, forming part is carried out high pressure-temperature thermal diffusion welding；Then forming part is carried out heat treatment, discharges forming part internal residual stress。
This utility model, relative to prior art, has such advantages as and effect:
This utility model lift welding chamber, cutting bin and lift material storehouse are integrated in one；Sealing processing storehouse and be additionally provided with the material delivery mechanism controlled by industrial computer, this material delivery mechanism includes being arranged on the telescopic mobile bar of sealing processing medial wall, storehouse, being arranged on the sucker of telescopic mobile boom end and be arranged on the air compressor machine for providing suction to sucker sealed outside processing storehouse。
Gas circulation filter ensure that the gas sealed in processing storehouse is pure, the impurity moments such as cut and the black flue dust of welding generation, material splashing are siphoned away by the course of processing, and seal in processing storehouse by clean gas being returned after filter cleaning, it is ensured that seal the gas in processing storehouse pure。
This utility model optical fiber laser compares long wavelength laser higher precision and better cutting effect。This laser instrument can switch between continuous mode and pulse mode, is applied not only to cutting thin plate profile, is additionally operable to the key point between welding thin plate, and wherein width of slit is lower than 20 μm, and spot welding speed reaches 30 solder joints/s。
This utility model seals processing storehouse and is provided with the material delivery mechanism controlled by industrial computer, and it is scalable and moves freely inside processing storehouse sealing。And in the upper port position in lift welding chamber, cutting bin and lift material storehouse, it is respectively equipped with the absorption of workpieces mechanism connecting air compressor machine。In guarantee cutting process, sheet metal stablizes so that it is bottom is unsettled, and the metal dust that cutting produces can be blown away in time by noble gas。Absorption of workpieces mechanism ensure that sheet metal is connecing storehouse, firm the fitting tightly of cutting process, being accurately positioned, and makes not occur in the course of processing tilting and sliding。
In sum。This utility model technological means is simple and easy to do, and cutting accuracy is high, and the parts size precision processed is within 5 microns；Select sheet metal as moulding material, compare metal powder material less costly；And select metallic sheet stock will not cause the reduction of mechanical property because of material inside organization defect (as being mingled with), without because cumulative stress causes part deformation；The metal comparing powdery type increases material manufacturing technology, and shaping efficiency improves more than 2 times, and the surface quality of workpieces molded is better。
Accompanying drawing explanation
Fig. 1 is this utility model structural representation。
Fig. 2 is the top view that this utility model seals processing storehouse。
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is more specifically described in detail。
Embodiment
As shown in Figure 1, 2。This utility model sheet metal superposition manufactures the equipment of complicated shape part, including sealing processing storehouse, optical machining system and industrial computer 22, it is characterised in that: the described bottom sealing processing storehouse is axially disposed with lift welding chamber 10, cutting bin 11 and lift material storehouse 12；Sealing processing storehouse and be additionally provided with the material delivery mechanism controlled by industrial computer 22, this material delivery mechanism includes being arranged on the telescopic mobile bar 19 of sealing processing medial wall, storehouse, being arranged on the sucker 20 of telescopic mobile bar 19 end and be arranged on the air compressor machine 21 for providing suction to sucker 20 sealing processing outside storehouse；
The upper port position in described lift welding chamber 10, cutting bin 11 and lift material storehouse 12, is respectively equipped with the absorption of workpieces mechanism connecting air compressor machine 21。
The described processing storehouse that seals is provided with gas circulation filter 7, and gas circulation filter 7 is for the flue dust produced in filtration process and impurity。Gas circulation filter 7 is to ensure that the gas sealed in processing storehouse is pure, is siphoned away the impurity moments such as cut and the black flue dust of welding generation, material splashing, and seal in processing storehouse by being returned by clean gas after filter cleaning in the course of processing。
Optical fiber laser 1 that described optical machining system includes being sequentially connected with, beam expanding lens 2, galvanometer, focus lamp 6；Described galvanometer is cut galvanometer 4 or laser weld galvanometer 5。
Described absorption of workpieces mechanism is suction pipe 16, and suction pipe 16 connects air compressor machine 21 by pipeline, is fixed by workpiece by the absorption affinity of suction pipe 16。Air compressor machine 21 is to provide gas pressure for workpiece (material), and controls the intermittent opening and closing of air pressure。
Described sealing is provided with noble gas puff prot 19 inside processing storehouse, and noble gas puff prot 19 connection is arranged on the noble gas holding vessel 8 sealing processing outside storehouse。Noble gas holding vessel 8 is to provide inert gas shielding for apparatus processing storehouse, and the noble gas of storage can be N2, it is also possible to be Ar, and the purity of noble gas is above 99.99%。
Described optical fiber laser 1 wavelength is 1064nm, and laser power 20～100W is adjustable, beam quality M2< 1.1。Compare long wavelength laser and have higher precision and better cutting effect。This laser instrument can switch between continuous mode and pulse mode, is applied not only to cutting thin plate profile, is additionally operable to the key point between welding thin plate, and wherein width of slit is lower than 20 μm, and spot welding speed reaches 30 solder joints/s。
Described cut galvanometer 4 adopts the Hurryscan30 model of scanlab company, and incident illumination aperture is 30mm, and response time is lower than 1 microsecond, and maximum scan ranges for 350 × 350mm；Described laser weld galvanometer 5 adopts the Hurryscan20 model of scanlab company, and incident illumination aperture is 20mm, and response time is lower than 0.5 microsecond, and maximum scan ranges for 250 × 250mm。
Described focus lamp 6 is F-θ focus lamp, it is ensured that laser beam focus hot spot, always situated in processing plane, facula deviation does not occur in light beam moving process。
Sheet metal superposition is manufactured the processing method of complicated shape part and can be realized by following step:
Step one: three-dimensional modeling data processes
First, bottom sheet metal, interpolation is highly the vertical support bar of 2mm, as the coupling part of shaping substrate and thin plate, is cut down by the part after molding after facilitating process finishing from shaping substrate；Then, add three square positioning link bars for thin plate in the horizontal direction, make thin plate can be accurately positioned in the course of processing, make forming parts process more firm；Finally, using the lamella thickness of molding as thickness, it is layered for 3 d part, then calculates the outline data of each layer and crucial pad position；
Step 2: laser laminated processing
Sheet metal 17 is pushed up one layer by lift material storehouse 12, this sheet metal 17 is held by sucker 20, and send it to above cutting bin 11, and the edge of sheet metal 17 is adsorbed fixing by suction pipe 16, the metal dust of the generation of cutting is blown away in time by noble gas puff prot 19；Industrial computer 22 controls optical fiber laser 1 and sends the continuous laser (laser beam 3) of certain frequency；By the control of beam expanding lens 2, cut galvanometer 4 and focus lamp 6, sheet metal 17 is carried out laser scanning cutting, cuts out the contour shape of this layer；After cutting terminates, sheet metal 17 cuts clout 18 and falls into bottom cutting bin 11, obtains monolayer External Shape；Close the suction of cutting bin suction pipe, the monolayer External Shape of well cutting is sent in lift welding chamber 10 by sucker 20, positioning link bar 23 is held by suction pipe, guarantee is accurately positioned, optical fiber laser 1 switches to pulse mode, adopt laser weld galvanometer 5 that the key point in the cross section of this monolayer External Shape is welded, it is ensured that levels laminating is closely；In laser weld process, the machined surface of monolayer External Shape is carried out inert gas shielding, it is prevented that machined surface produces oxidation；Gas circulating purifying device 7 filters out the flue dust and impurity that produce in the course of processing, it is ensured that in processing storehouse, gas is pure；After complete one layer of laser weld, the height of shaping substrate decline one layer；So circulation, continuous superposition manufacture, until terminating after obtaining forming part 15；
Step 3: forming part post-processing step:
Remove support and the positioning link bar on forming part surface, forming part is carried out high pressure-temperature thermal diffusion welding, increase the consistency of part；Then forming part is carried out heat treatment, discharges forming part internal residual stress, promote forming part comprehensive mechanical property。
The scope of this utility model forming part can within 350 × 350 × 350mm scope, but it is modified cut mode, vibration mirror scanning type cutting is replaced with x-y axle linear electric motors drive, the part single sheet profile of high accuracy arbitrary size (generally at 500mm) can be cut out, and call in control system by data layer by layer, can once cut multiple synusia outline data, then cutting profile is positioned, select mechanical hand scanning welding, realize fast precise welding on a large scale, accumulation welding layer by layer obtains final forming part, forming part size is more than 500 × 500 × 500mm scope, substantially exceed the metal 3D printing device forming parts scope of current main flow。
As it has been described above, this utility model just can be realized preferably。
Embodiment of the present utility model is also not restricted to the described embodiments; other are any without departing from the change made under spirit of the present utility model and principle, modification, replacement, combination, simplification; all should be the substitute mode of equivalence, be included within protection domain of the present utility model。
Claims (8)
1. the equipment of a sheet metal superposition manufacture complicated shape part, including sealing processing storehouse, optical machining system and industrial computer (22), it is characterised in that: the described bottom sealing processing storehouse is axially disposed with lift welding chamber (10), cutting bin (11) and lift material storehouse (12)；Sealing processing storehouse and be additionally provided with the material delivery mechanism controlled by industrial computer (22), this material delivery mechanism includes being arranged on the telescopic mobile bar (19) of sealing processing medial wall, storehouse, being arranged on the sucker (20) of telescopic mobile bar (19) end and be arranged on the air compressor machine (21) for providing suction to sucker (20) sealed outside processing storehouse；
The upper port position in described lift welding chamber (10), cutting bin (11) and lift material storehouse (12), is respectively equipped with the absorption of workpieces mechanism connecting air compressor machine (21)。
2. sheet metal superposition according to claim 1 manufactures the equipment of complicated shape part, it is characterized in that: the described processing storehouse that seals is provided with gas circulation filter (7), and gas circulation filter (7) is for the flue dust produced in filtration process and impurity。
3. sheet metal superposition according to claim 1 manufactures the equipment of complicated shape part, it is characterised in that: optical fiber laser (1) that described optical machining system includes being sequentially connected with, beam expanding lens (2), galvanometer, focus lamp (6)；Described galvanometer is cut galvanometer (4) or laser weld galvanometer (5)。
4. sheet metal superposition according to claim 1 manufactures the equipment of complicated shape part, it is characterized in that: described absorption of workpieces mechanism is suction pipe (16), suction pipe (16) connects air compressor machine (21) by pipeline, by the absorption affinity of suction pipe (16), workpiece is fixed, air compressor machine (21) is to provide gas pressure for workpiece, and controls the intermittent opening and closing of air pressure。
5. sheet metal superposition according to any one of claim 1 to 4 manufactures the equipment of complicated shape part, it is characterized in that: described sealing is provided with noble gas puff prot (19) inside processing storehouse, and noble gas puff prot (19) connection is arranged on the noble gas holding vessel (8) sealing processing outside storehouse。
6. sheet metal superposition according to claim 3 manufactures the equipment of complicated shape part, it is characterised in that: described optical fiber laser (1) wavelength is 1064nm, and laser power 20～100W is adjustable, beam quality M2< 1.1。
7. sheet metal superposition according to claim 3 manufactures the equipment of complicated shape part, it is characterised in that: described cut galvanometer (4) incident illumination aperture is 30mm, and response time is lower than 1 microsecond, and sweep limits is 350 × 350mm；Described laser weld galvanometer (5) incident illumination aperture is 20mm, and response time is lower than 0.5 microsecond, and sweep limits is 250 × 250mm。
8. sheet metal superposition according to claim 3 manufactures the equipment of complicated shape part, it is characterised in that: described focus lamp (6) is F-θ focus lamp。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520812757.0U CN205324994U (en) | 2015-10-19 | 2015-10-19 | Equipment of complicated shape part is made in sheet metal stack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520812757.0U CN205324994U (en) | 2015-10-19 | 2015-10-19 | Equipment of complicated shape part is made in sheet metal stack |
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| CN205324994U true CN205324994U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520812757.0U Withdrawn - After Issue CN205324994U (en) | 2015-10-19 | 2015-10-19 | Equipment of complicated shape part is made in sheet metal stack |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252145A (en) * | 2015-10-19 | 2016-01-20 | 华南理工大学 | Method and device for manufacturing complex-shaped parts by stacking sheet metal |
| CN109352176A (en) * | 2018-12-18 | 2019-02-19 | 江苏镭电嘉成激光科技有限公司 | A kind of ultrahigh speed 3D printing technique of metal parts |
| WO2019090943A1 (en) * | 2017-11-08 | 2019-05-16 | 广州敏惠汽车零部件有限公司 | Integrated cutting and joining machine |
-
2015
- 2015-10-19 CN CN201520812757.0U patent/CN205324994U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252145A (en) * | 2015-10-19 | 2016-01-20 | 华南理工大学 | Method and device for manufacturing complex-shaped parts by stacking sheet metal |
| WO2019090943A1 (en) * | 2017-11-08 | 2019-05-16 | 广州敏惠汽车零部件有限公司 | Integrated cutting and joining machine |
| CN109352176A (en) * | 2018-12-18 | 2019-02-19 | 江苏镭电嘉成激光科技有限公司 | A kind of ultrahigh speed 3D printing technique of metal parts |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160622 Effective date of abandoning: 20171020 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20160622 Effective date of abandoning: 20171020 |