CN105170988A - Method and device for recycling residual powder on metal material increase manufacturing substrate - Google Patents
Method and device for recycling residual powder on metal material increase manufacturing substrate Download PDFInfo
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- CN105170988A CN105170988A CN201510633551.6A CN201510633551A CN105170988A CN 105170988 A CN105170988 A CN 105170988A CN 201510633551 A CN201510633551 A CN 201510633551A CN 105170988 A CN105170988 A CN 105170988A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/70—Recycling
- B22F10/73—Recycling of powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/22—Driving means
- B22F12/226—Driving means for rotary motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/30—Platforms or substrates
- B22F12/37—Rotatable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a method and device for recycling residual powder on a metal material increase manufacturing substrate. The device comprises a sealing bin, a pneumatic vibrator arranged outside the sealing bin, and a vibration clamping part arranged on the inner side wall of the sealing bin and used for transmitting vibration. The vibration clamping part is connected with the pneumatic vibrator and used for clamping a substrate of a forming part and providing mechanical vibration for the substrate. The sealing bin is provided with a high-pressure gas gun and an inert gas inlet. By means of the method and device, residual powder on the substrate can be thoroughly removed, the powder where impurities are removed can be recycled, and materials are saved; and due to the fact that the whole recycling process is performed under the protection of inert gas, the powder is prevented from being oxidized and affected with damp, and it is guaranteed that the original quality of the powder does not change.
Description
Technical field
The increasing material that the present invention relates to dusty material manufactures field, particularly relates to a kind of Footwall drift and increases method and the device that material manufactures residual powder on substrate.
Background technology
Increase material manufacture and be commonly called as again 3D printing, it is the technology that the method adopting material successively to add up by CAD design data manufactures entity component, removing (machining) technology relative to traditional material, is a kind of manufacture method of " from bottom to top " material addition.Compare traditional manufacturing technology, increase material manufacture have can shaping complicated shape part, formed precision high, save the advantages such as material.
The moulding material increasing material manufacture can be divided into dusty material, filamentary material and fluent material three major types according to the difference of form, wherein powdered molding material comprises the polymer material and engineering such as metal dust, ceramic powders and polyethylene, dusty material is conducive to the precise forming increasing material manufacture, and material can recycle, be widely used in selective laser fusing, selective laser sintering, electron beam selective melting etc. and increase in material manufacture method.
These increase the employings of material manufacturing technologies is all the forming method of powder presetting system for selective laser fusing and electron beam selective melting, namely first powder is layered on shaping substrate equably in forming process, after laser or the complete one deck of electron-beam melting, repave one deck powder, successively add up, until part machines.After process finishing, part can be covered by powder, and need the powder brush around by part to sweep away, these unnecessary powder can also recycle.But for complex-shaped Free-form Surface Parts, loose structure part and hollow structure part, add man-hour in order to can be shaping smoothly, need to add a lot of support.After these part process finishing, between feature bottom and support, a lot of powder can be remained, and more difficult removal.
Substrate normally takes out by the method for this kind of substrate residual powder of current removal, knocks side and the back side of substrate, powder is shaken off with hammer; Or blow facing to substrate surface with high pressure air rifle, blow away residual powder.There is following shortcoming in such removal residual powder: the first, pound with a hammer substrate or blow substrate with Compressed Gas time, residual powder can be kicked up, and disperses everywhere, to environment, also easily to damage operating personnel; The second, the residual powder of the more difficult thorough removing feature bottom of such method of operating, and also the powder flown upward can not get reclaiming, and wastes material; 3rd, for this kind of active metal powder of titanium alloy, operate in atmosphere if expose, powder can be made to be oxidized.
Summary of the invention
The object of the invention is to the shortcoming and defect overcoming above-mentioned prior art, a kind of method providing simple and practical Footwall drift to increase residual powder on material manufacture substrate and device.Overcome in prior art between forming part and substrate gap, and the residual powder of the support section inside of forming part is difficult to the technical problem of taking-up.
The present invention is achieved through the following technical solutions:
A kind of Footwall drift increases the device that material manufactures residual powder on substrate, comprise gas-tight silo 1, be arranged on the pneumatic vibrator 6 of gas-tight silo 1 outside, the vibration hold assembly for transmitting vibrations be arranged on gas-tight silo 1 madial wall, vibration hold assembly connects pneumatic vibrator 6, and vibration hold assembly is for clamping the substrate 10 of profiled member 11 and providing mechanical oscillation to substrate 10;
Above described gas-tight silo 1 internal vibration hold assembly, sidewall is provided with high pressure air rifle 3 and inert gas air inlet 4, and high pressure air rifle 3 and inert gas air inlet 4 are connected outside inert gas holding vessel 2 respectively.
Described vibration hold assembly comprise be rotationally connected bar 8, for clamping the substrate vibration tong 9 of substrate 10, described in be rotationally connected bar 8 and be arranged on the sidewall of gas-tight silo 1, for substrate vibration tong 9 provides mechanical oscillation.
The bottom of described gas-tight silo 1 is provided with powder recovering device.
Described powder recovering device comprise vibrate powder sieves 15, for reclaim impurity 17 in powder impurity recovery cylinder 16, sieve by vibrate powder sieves 15 the Powder Recovery cylinder 18 fallen for collecting.
The recovery port of described impurity recovery cylinder 16 is provided with a switch.
The lower sides of described gas-tight silo 1 is provided with oxygen content monitor 13 and dedusting exhaust outlet 14.
The bottom of described gas-tight silo 1 is funnel-shaped structure; The top of gas-tight silo 1 has the seal cover 1-1 of an activity; The sidewall of gas-tight silo 1 is provided with a glove box entrance 5, and described pneumatic vibrator 6 has a personal-machine interactive operation screen 7.
The method that Footwall drift increases residual powder on material manufacture substrate is as follows:
The first step: after increasing material manufactures shaping end, take off substrate 10; Open seal cover 1-1, substrate 10 is fixed on after on substrate vibration tong 9 and closes seal cover board 1-1, open the valve of inert gas holding vessel 2, pass into inert protective gas to gas-tight silo 1 inside, observe the reading change of oxygen content monitor 13 in gas-tight silo 1;
If the powder reclaimed is non-active metal powder, then pass into N2 as protective gas, if the powder reclaimed is active metal powder, then pass into Ar as protective gas;
Second step: in storehouse 1 to be sealed oxygen content concentration lower than 0.8% time, open pneumatic vibrator 6, the frequency of pneumatic vibrator 6 is regulated by man-machine interactive operation screen 7, make the vibration frequency of substrate 10 between 100HZ ~ 150HZ, cross the vibration frequency of vibrate powder sieves 15 between 50HZ ~ 100HZ; The powder by the reusable edible of vibrate powder sieves 15 is made to drop in Powder Recovery cylinder 18;
3rd step: by glove box entrance 5 manual operation, makes substrate vibration tong 9 drive substrate 10 to rotate around being rotationally connected bar 8, residual powder on substrate 10 is shaken off; By glove box entrance 5 manual operation high pressure air rifle 3, be aligned to the support section 12 between shaped piece 11 and substrate 10, blow away the residual powder cannot vibrating with high-pressure inert gas, then with high pressure air rifle 3, the powder be attached on gas-tight silo 1 inwall is blown away; The residual powder of shaking off and blow off drops on vibrate powder sieves 15, make the powder by the reusable edible of vibrate powder sieves 15 drop in Powder Recovery cylinder 18, cannot stay on vibrate powder sieves 15 by the impurity 17 of vibrate powder sieves 15;
After vibrate powder screening terminates, close pneumatic vibrator 6, open the switch of impurity recovery cylinder 16, with powder brush, the large granular impurity 17 on vibrate powder sieves 15 surface is swept in impurity recovery cylinder 16, take out substrate 10, take off impurity recovery cylinder 16 and Powder Recovery cylinder 18, the powder 19 of recovery is poured in 3D printer, recycles; The recovery of residual powder on completing substrate.
The present invention, relative to prior art, has following advantage and effect:
The present invention not only can get rid of the residual powder on substrate more thoroughly, and will sieve the utilization of deimpurity powder circulation, has saved material; Because whole removal process is carried out under inert gas shielding, the oxidation of powder can also be prevented and make moist, ensureing that original quality of powder is constant.
Gas-tight silo sidewall is provided with by glove box entrance (glove box), can carry out human assistance operation by staff, not only makes powder clean further more abundant, and prevents powder to the injury of operating personnel, and the pollution to environment.
Technical measure is simple and easy to do, both carries out pollution-free cleaning to residual powder, and collects again to it, and powder properties after collecting is constant.
Accompanying drawing explanation
Fig. 1 is the apparatus structure schematic diagram that Footwall drift of the present invention increases that material manufactures residual powder on substrate.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is more specifically described in detail.
Embodiment
As shown in Figure 1.A kind of Footwall drift of the present invention increases the device that material manufactures residual powder on substrate, comprise gas-tight silo 1, be arranged on the pneumatic vibrator 6 of gas-tight silo 1 outside, the vibration hold assembly for transmitting vibrations be arranged on gas-tight silo 1 madial wall, vibration hold assembly connects pneumatic vibrator 6, and vibration hold assembly is for clamping the substrate 10 of profiled member 11 and providing mechanical oscillation to substrate 10;
Above described gas-tight silo 1 internal vibration hold assembly, sidewall is provided with high pressure air rifle 3 and inert gas air inlet 4, and high pressure air rifle 3 and inert gas air inlet 4 are connected outside inert gas holding vessel 2 respectively.
Described vibration hold assembly comprise be rotationally connected bar 8, for clamping the substrate vibration tong 9 of substrate 10, described in be rotationally connected bar 8 and be arranged on the sidewall of gas-tight silo 1, for substrate vibration tong 9 provides mechanical oscillation.
The bottom of described gas-tight silo 1 is provided with powder recovering device.
Described powder recovering device comprise vibrate powder sieves 15, for reclaim impurity 17 in powder impurity recovery cylinder 16, sieve by vibrate powder sieves 15 the Powder Recovery cylinder 18 fallen for collecting.
Pneumatic vibrator 6 is power sources that vibrate powder sieves 15 and substrate 10 vibrate.
Go out to arrange a switch in the recovery port of impurity recovery cylinder 16.
The lower sides of described gas-tight silo 1 is provided with oxygen content monitor 13 and dedusting exhaust outlet 14.Dedusting exhaust outlet 14 is the circulations in order to ensure air in gas-tight silo 1, while passing into inert gas, inner air can be discharged from this outlet, can also prevent powder from revealing.
The bottom of described gas-tight silo 1 is funnel-shaped structure; The top of gas-tight silo 1 has the seal cover 1-1 of an activity; The sidewall of gas-tight silo 1 is provided with a glove box entrance 5, operates, prevent powder from revealing, protect operator across plastic gloves.Described pneumatic vibrator 6 has a personal-machine interactive operation screen 7.
The method that Footwall drift increases residual powder on material manufacture substrate is as follows:
The first step: after increasing material manufactures shaping end, take off substrate 10; Open seal cover 1-1, substrate 10 is fixed on after on substrate vibration tong 9 and closes seal cover board 1-1, open the valve of inert gas holding vessel 2, pass into inert protective gas to gas-tight silo 1 inside, observe the reading change of oxygen content monitor 13 in gas-tight silo 1;
If the powder reclaimed is the inactive metal powder such as stainless steel, cochrome or pottery, then pass into N2 as protective gas, if the powder reclaimed is titanium alloy or aluminium alloy isoreactivity metal dust, then pass into Ar as protective gas;
Second step: in storehouse 1 to be sealed oxygen content concentration lower than 0.8% time, open pneumatic vibrator 6, the frequency of pneumatic vibrator 6 is regulated by man-machine interactive operation screen 7, make the vibration frequency of substrate 10 between 100HZ ~ 150HZ, cross the vibration frequency of vibrate powder sieves 15 between 50HZ ~ 100HZ; The powder of the reusable edible by vibrate powder sieves 15 (granule) is made to drop in Powder Recovery cylinder 18;
3rd step: by glove box entrance 5 manual operation, makes substrate vibration tong 9 drive substrate 10 to rotate around being rotationally connected bar 8, residual powder on substrate 10 is shaken off; By glove box entrance 5 manual operation high pressure air rifle 3, be aligned to the support section 12 between shaped piece 11 and substrate 10, blow away the residual powder cannot vibrating with high-pressure inert gas, then with high pressure air rifle 3, the powder be attached on gas-tight silo 1 inwall is blown away; The residual powder of shaking off and blow off drops on vibrate powder sieves 15, make the powder of the reusable edible by vibrate powder sieves 15 (granule) drop in Powder Recovery cylinder 18, cannot stay on vibrate powder sieves 15 by the impurity 17 of vibrate powder sieves 15;
After vibrate powder screening terminates, close pneumatic vibrator 6, open the switch of impurity recovery cylinder 16, with powder brush, the large granular impurity 17 (bulky grain) on vibrate powder sieves 15 surface is swept in impurity recovery cylinder 16, take out substrate 10, take off impurity recovery cylinder 16 and Powder Recovery cylinder 18, the powder 19 of recovery is poured in 3D printer, recycles; Complete between forming part 11 and substrate 10 gap, and the cleaning of the residual powder of support section 12 inside of forming part 11 and recovery.
As mentioned above, just the present invention can be realized preferably.
Embodiments of the present invention are not restricted to the described embodiments; other are any do not deviate from Spirit Essence of the present invention and principle under do change, modification, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. a Footwall drift increases the device that material manufactures residual powder on substrate, it is characterized in that: comprise gas-tight silo (1), be arranged on gas-tight silo (1) outside pneumatic vibrator (6), the vibration hold assembly for transmitting vibrations be arranged on gas-tight silo (1) madial wall, vibration hold assembly connects pneumatic vibrator (6), and vibration hold assembly is for clamping the substrate (10) of profiled member (11) and providing mechanical oscillation to substrate (10);
Above described gas-tight silo (1) internal vibration hold assembly, sidewall is provided with high pressure air rifle (3) and inert gas air inlet (4), and high pressure air rifle (3) and inert gas air inlet (4) are connected outside inert gas holding vessel (2) respectively.
2. Footwall drift according to claim 1 increases the device that material manufactures residual powder on substrate, it is characterized in that: described vibration hold assembly comprises and is rotationally connected bar (8), for clamping the substrate vibration tong (9) of substrate (10), the described bar (8) that is rotationally connected is arranged on the sidewall of gas-tight silo (1), for substrate vibration tong (9) provides mechanical oscillation.
3. Footwall drift according to claim 1 increases the device that material manufactures residual powder on substrate, it is characterized in that: the bottom of described gas-tight silo (1) is provided with powder recovering device.
4. Footwall drift according to any one of claim 1 to 3 increases the device that material manufactures residual powder on substrate, it is characterized in that: described powder recovering device comprise vibrate powder sieves (15), for reclaim impurity in powder (17) impurity recovery cylinder (16), sieve by vibrate powder sieves (15) the Powder Recovery cylinder (18) fallen for collecting.
5. Footwall drift according to claim 4 increases the device that material manufactures residual powder on substrate, it is characterized in that: the recovery port of described impurity recovery cylinder (16) is provided with a switch.
6. Footwall drift according to claim 4 increases the device that material manufactures residual powder on substrate, it is characterized in that: the lower sides of described gas-tight silo (1) is provided with oxygen content monitor (13) and dedusting exhaust outlet (14).
7. Footwall drift according to claim 4 increases the device that material manufactures residual powder on substrate, it is characterized in that: the bottom of described gas-tight silo (1) is funnel-shaped structure; The top of described gas-tight silo (1) has the seal cover (1-1) of an activity.
8. Footwall drift according to claim 4 increases the device that material manufactures residual powder on substrate, it is characterized in that: the sidewall of described gas-tight silo (1) is provided with a glove box entrance (5), described pneumatic vibrator (6) has personal-machine interactive operation screen (7).
9. Footwall drift increases the method that material manufactures residual powder on substrate, and the device that it is characterized in that adopting Footwall drift according to any one of claim 1 to 8 to increase residual powder on material manufacture substrate realizes, and implementation step is following:
The first step: after increasing material manufactures shaping end, take off substrate (10); Open seal cover (1-1), substrate (10) is fixed on the upper rear closedown seal cover board 1-1 of substrate vibration tong (9), open the valve of inert gas holding vessel (2), pass into inert protective gas to gas-tight silo (1) inside, observe the reading change of gas-tight silo (1) interior oxygen content monitor (13); If the powder reclaimed is non-active metal powder, then pass into N2 as protective gas, if the powder reclaimed is active metal powder, then pass into Ar as protective gas;
Second step: storehouse to be sealed (1) interior oxygen content concentration lower than 0.8% time, open pneumatic vibrator (6), the frequency of pneumatic vibrator (6) is regulated by man-machine interactive operation screen (7), make the vibration frequency of substrate (10) between 100HZ ~ 150HZ, made the vibration frequency of vibrate powder sieves (15) between 50HZ ~ 100HZ; Powder by vibrate powder sieves 15 drops in Powder Recovery cylinder 18.
10. Footwall drift according to claim 9 increases the method that material manufactures residual powder on substrate, characterized by further comprising a hand assisted step:
By glove box entrance (5) manual operation, make substrate vibration tong (9) drive substrate (10) to rotate around being rotationally connected bar (8), the upper residual powder of substrate (10) is shaken off; By glove box entrance (5) manual operation high pressure air rifle (3), be aligned to the support section (12) between shaped piece (11) and substrate (10), blow away the residual powder cannot vibrating with inert gas, then use high pressure air rifle (3) that the powder be attached on gas-tight silo (1) inwall is blown away; The residual powder of shaking off and blow off drops on vibrate powder sieves (15), make the powder by the reusable edible of vibrate powder sieves (15) drop in Powder Recovery cylinder (18), cannot stay on vibrate powder sieves (15) by the impurity (17) of vibrate powder sieves (15);
After vibrate powder screening terminates, close pneumatic vibrator (6), open the switch of impurity recovery cylinder (16), with powder brush, the large granular impurity (17) on vibrate powder sieves (15) surface is swept in impurity recovery cylinder (16), take out substrate (10), take off impurity recovery cylinder (16) and Powder Recovery cylinder (18), the powder (19) reclaimed is poured in 3D printer, recycles; Complete the recovery of residual powder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510633551.6A CN105170988B (en) | 2015-09-28 | 2015-09-28 | A kind of method and device for reclaiming residual powder on metal increasing material manufacturing substrate |
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| CN201510633551.6A CN105170988B (en) | 2015-09-28 | 2015-09-28 | A kind of method and device for reclaiming residual powder on metal increasing material manufacturing substrate |
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| CN105170988B CN105170988B (en) | 2018-01-02 |
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