DE202012007238U1 - Device for producing three-dimensional objects - Google Patents
Device for producing three-dimensional objects Download PDFInfo
- Publication number
- DE202012007238U1 DE202012007238U1 DE202012007238U DE202012007238U DE202012007238U1 DE 202012007238 U1 DE202012007238 U1 DE 202012007238U1 DE 202012007238 U DE202012007238 U DE 202012007238U DE 202012007238 U DE202012007238 U DE 202012007238U DE 202012007238 U1 DE202012007238 U1 DE 202012007238U1
- Authority
- DE
- Germany
- Prior art keywords
- sealing element
- sliding door
- housing
- section
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims abstract description 60
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000010276 construction Methods 0.000 claims abstract description 9
- 239000004566 building material Substances 0.000 claims abstract description 6
- 230000005670 electromagnetic radiation Effects 0.000 claims abstract 2
- 230000001678 irradiating effect Effects 0.000 claims abstract 2
- 239000002245 particle Substances 0.000 claims abstract 2
- 230000005855 radiation Effects 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 description 5
- 238000000149 argon plasma sintering Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000006735 deficit Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
-
- 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]
-
- 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
- B22F12/38—Housings, e.g. machine housings
-
- 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
- B22F12/50—Means for feeding of material, e.g. heads
-
- 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
- B22F12/60—Planarisation devices; Compression devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/25—Housings, e.g. machine housings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/343—Metering
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Special Wing (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
Vorrichtung (1) zur Herstellung dreidimensionaler Objekte durch sukzessives Verfestigen von Schichten eines pulverförmigen, mittels elektromagnetischer Strahlung oder Teilchenstrahlung verfestigbaren Aufbaumaterials an den dem jeweiligen Querschnitt des Objektes entsprechenden Stellen, mit einem Gehäuse (2) mit wenigstens einer Öffnung (8), innerhalb des Gehäuses (2) mit einer eine Tragevorrichtung zum Tragen des Objekts aufweisende Baukammer, einer Dosierkammer zum Bevorraten des Aufbaumaterials, einer Aufbringvorrichtung zum Aufbringen des Materials, einer Bestrahlungseinrichtung zum Bestrahlen der aufgetragenen Schichten des Aufbaumaterials an den dem jeweiligen Querschnitt des Objektes entsprechenden Stellen und einer den Zugang zum Inneren des Gehäuses (6) ermöglichenden Schiebetür (6), dadurch gekennzeichnet, dass das Gehäuse (2) teilweise abgeschrägt ist, die Schiebetür (6) wenigstens teilweise auf einem Abschnitt des abgeschrägten Gehäusebereichs (3) aufliegt und am Rand der Öffnung (8) wenigstens abschnittsweise eine Nut (9) mit einem volumenveränderlichen Dichtelement (10) angeordnet ist.Device (1) for producing three-dimensional objects by successively solidifying layers of a powdered building material that can be solidified by means of electromagnetic radiation or particle radiation at the locations corresponding to the respective cross section of the object, with a housing (2) with at least one opening (8) within the housing (2) with a construction chamber having a carrying device for carrying the object, a dosing chamber for storing the building material, an application device for applying the material, an irradiation device for irradiating the applied layers of the building material at the locations corresponding to the respective cross section of the object, and an access sliding door (6) enabling the interior of the housing (6), characterized in that the housing (2) is partially beveled, the sliding door (6) lies at least partially on a section of the beveled housing region (3) and on A groove (9) with a variable-volume sealing element (10) is arranged at least in sections at the edge of the opening (8).
Description
Die Erfindung betrifft eine Vorrichtung zur Herstellung dreidimensionaler Objekte durch sukzessives Verfestigen von Schichten eines insbesondere pulverförmigen Aufbaumaterials gemäß dem Oberbegriff von Anspruch 1. Die genannten Vorrichtungen sind auch als Laserschmelzmaschinen (SLM) und Lasersintermaschinen (SLS) bekannt. Im Rahmen des Bauvorgangs der dreidimensionalen Objekte wird ein Pulver verwendet, da schichtweise aufgetragen und an den vorgegebenen Stellen mittels einer Bestrahlungseinrichtung verfestigt wird. Dieses Pulver ist leicht entzündlich und oxidationsanfällig, weshalb der Transport des Pulvers und der Bauvorgang in einer Schutzgasatmosphäre stattfinden sollte. Dementsprechend muss die Laserschmelzmaschine bzw. Lasersintermaschine zumindest im Bereich des Prozessraums i. w. gasdicht ausgebildet sein.The invention relates to an apparatus for producing three-dimensional objects by successive solidification of layers of a particular powdered building material according to the preamble of claim 1. The said devices are also known as laser melting machines (SLM) and laser sintering machines (SLS). As part of the construction process of the three-dimensional objects, a powder is used, as applied in layers and solidified at the predetermined locations by means of an irradiation device. This powder is highly flammable and susceptible to oxidation, which is why the transport of the powder and the construction process should take place in a protective gas atmosphere. Accordingly, the laser melting machine or laser sintering machine must at least in the area of the process space i. w. be designed gas-tight.
Aufgrund dieser Anforderung ist es üblich, auf wenigstens einer Seite des quaderförmigen Gehäuses der Laserschmelzmaschine oder Lasersintermaschine eine Türe vorzusehen, die als Schiebetüre ausgebildet sein kann. Diese Türe ermöglicht den Zugang zum Inneren des Gehäuses, allerdings ist eine derartige Tür aufwendig und kostenintensiv.Because of this requirement, it is customary to provide a door on at least one side of the cuboid housing of the laser melting machine or laser sintering machine, which door can be designed as a sliding door. This door allows access to the interior of the housing, but such a door is expensive and expensive.
Der Erfindung liegt daher die Aufgabe zugrunde, eine Vorrichtung der eingangs genannten Art mit den Merkmalen des Oberbegriffs des Anspruchs 1 anzugeben, bei der der Aufbau der Schiebtür zum einen vereinfacht ist, zum anderen das Pulverhandling innerhalb der Maschine sicher und ohne gesundheitliche Beeinträchtigung einer Bedienungsperson durchgeführt werden kann. Diese Aufgabe wird durch die kennzeichnenden Merkmale des Anspruches 1 gelöst.The invention is therefore an object of the invention to provide a device of the type mentioned above with the features of the preamble of claim 1, in which the construction of the sliding door is simplified on the one hand, on the other hand, the powder handling within the machine safely and without health impairment of an operator can be. This object is solved by the characterizing features of claim 1.
Vorteilhafte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen.Advantageous developments of the invention will become apparent from the dependent claims.
Als Kern der Erfindung gemäß Anspruch 1 wird es angesehen, dass das Gehäuse teilweise abgeschrägt ist, und die Öffnung, die den Zugang zum Inneren des Gehäuses ermöglicht, wenigstens bereichsweise eine Nut mit einem volumenveränderlichen Dichtelement angeordnet ist und die Schiebetür auf bzw. über dieser Nut entlang gleitet. Die Öffnung befindet sich dabei zumindest zu einem Teil im abgeschrägten und oben offenen Gehäusebereich. Die Tür erstreckt sich über einen Gehäusebereich, der oben offen ist, dadurch können schwere Bauteile aus dem Bauraum problemlos mit einem Kranelement nach oben herausgezogen werden. Die Abschrägung, die sich an den horizontalen Teil der Türe anschließt hat den Vorteil, dass die Bedienungsperson durch ein Sichtfenster oder durch eine Glovebox einfachen Zugriff zu dem Prozesskammerbereich von schräg oben hat.As the gist of the invention according to claim 1, it is considered that the housing is partially beveled, and the opening, which allows access to the interior of the housing, at least partially a groove with a variable volume sealing element is arranged and the sliding door on or above this groove along slides. The opening is at least partially in the bevelled and open-topped housing area. The door extends over a housing portion which is open at the top, thereby heavy components can be easily pulled out of the space with a crane element upwards. The chamfer, which connects to the horizontal part of the door has the advantage that the operator through a viewing window or through a glove box has easy access to the process chamber area obliquely from above.
Selbstverständlich kann die Lasersintermaschine bzw. Laserschmelzmaschine auch ein oder zwei oder mehrere Rahmenführungselemente aufweisen, mit denen die Schiebtür gelagert und geführt wird, sodass sie mit einem geringen Abstand über der Öffnung des Gehäuses und der die Öffnung umgebenden Nut verfahrbar ist. Jedoch ist bei diesen Rahmenführungselemente der Aufbau insgesamt extrem vereinfacht, da die Schiebetür aufgrund ihres Gewichtes auf dem Dichtelement in aufgeblasenem Zustand aufliegt.Of course, the laser sintering machine or laser melting machine also have one or two or more frame guide elements with which the sliding door is stored and guided, so that it can be moved with a small distance above the opening of the housing and the groove surrounding the opening. However, in these frame guide elements, the structure as a whole is extremely simplified, since the sliding door rests in the inflated state due to its weight on the sealing element.
Insbesondere kann die Ausgestaltung der Rahmenführungselemente und des Dichtelements derart sein, dass die Schiebetür mit dem Dichtelement im entleerten Zustand keinen Kontakt oder nur an einem schmalen Streifen ein Kontakt besteht, während im aufgeblasenen Zustand das Dichtelement einen großflächigen Kontakt mit der Schiebetür hat. Im aufgeblasenen Zustand kann das Dichtelement die Schiebtür auch anheben, sodass die Schiebetür ortsfest fixiert ist. Hierzu wird der Kontakt der Schiebetür mit den Rahmenführungselementen aufgehoben oder eingeschränkt.In particular, the configuration of the frame guide elements and the sealing element may be such that the sliding door with the sealing element in the deflated condition no contact or contact only on a narrow strip, while in the inflated state, the sealing element has a large-area contact with the sliding door. When inflated, the sealing element can also lift the sliding door, so that the sliding door is fixed in place. For this purpose, the contact of the sliding door with the frame guide elements is canceled or restricted.
Mit besonderem Vorteil kann das Dichtelement auf der im aufgeblasenen Zustand der Schiebetür zugeordneten Seite mit einem Material versehen sein, das eine adhäsive Wirkung aufweist. Alternativ kann es auf dieser Seite auch abgeflacht sein, wodurch eine größere Kontaktfläche entsteht. Als adhäsives Material wird in diesem Zusammenhang jedes Material verstanden, das die Verbindungskräfte zwischen Dichtelement und Schiebetür vergrößert. Dabei kann es sich insbesondere um Klebmittel oder Materialien handeln, die einen hohen Reibkoeffizienten mit dem Material besitzen, aus dem die Schiebetür gefertigt ist. Entscheidend ist dabei das Material der Schiebetür an der Stelle, die mit dem Dichtelement zusammenwirkt.With particular advantage, the sealing element may be provided on the associated in the inflated state of the sliding door side with a material having an adhesive effect. Alternatively, it may also be flattened on this side, creating a larger contact area. As adhesive material is understood in this context, any material that increases the bonding forces between the sealing element and the sliding door. These may in particular be adhesives or materials which have a high coefficient of friction with the material from which the sliding door is made. The decisive factor is the material of the sliding door at the point, which cooperates with the sealing element.
Vorzugsweise kann das Dichtelement auf den der im entleerten Zustand der Schiebetür zugeordneten Stellen mit einem reibungsmindernden Material versehen sein. Aufgrund der Formänderung des Dichtelements bei seiner Entleerung stehen im entleerten Zustand andere Bereiche des Dichtelements mit der Schiebetür in Kontakt als im aufgeblasenen Zustand. Daher ist es möglich, das Dichtelement in Umfangsrichtung gesehen in Abschnitte oder Bereiche aufzuteilen, die mit der Schiebetür im entleerten oder im aufgeblasenen Zustand in Kontakt stehen und diese entsprechend zur Erhöhung oder Verminderung der Reibwirkung zu präparieren.Preferably, the sealing element may be provided on the assigned in the deflated state of the sliding door bodies with a friction-reducing material. Due to the change in shape of the sealing element during its emptying other areas of the sealing element are in the deflated state in contact with the sliding door than in the inflated state. Therefore, it is possible to divide the sealing element seen in the circumferential direction in sections or areas that are in contact with the sliding door in the deflated or inflated state and prepare them accordingly to increase or decrease the friction effect.
Die Erfindung ist anhand von Ausführungsbeispielen in den Zeichnungsfiguren näher erläutert. Diese zeigen: The invention is explained in more detail with reference to embodiments in the drawing figures. These show:
Das Gehäuse
Zum gasdichten Abschluss des Inneren des Gehäuses
Im aufgeblasenen Zustand ist dies umgekehrt, wie
In Abschnitt
Zur Erhöhung der Sicherheit ist vorgesehen, dass das Dichtelement
Bei dem in
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- Vorrichtungcontraption
- 22
- Gehäusecasing
- 33
- abgeschrägter Gehäusebereichbeveled housing area
- 44
- vertikaler Gehäusebereichvertical housing area
- 55
- horizontaler Gehäusebereichhorizontal housing area
- 66
- Schiebetürsliding door
- 77
- RahmenführungselementFrame guide element
- 88th
- Öffnungopening
- 99
- Nutgroove
- 1010
- Dichtelementsealing element
- 1111
- Abschnittsection
- 1212
- Abschnittsection
- 1313
- Rillenprofilgroove profile
- 1414
- Vorsprunghead Start
Claims (12)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202012007238U DE202012007238U1 (en) | 2012-07-27 | 2012-07-27 | Device for producing three-dimensional objects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202012007238U DE202012007238U1 (en) | 2012-07-27 | 2012-07-27 | Device for producing three-dimensional objects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE202012007238U1 true DE202012007238U1 (en) | 2012-08-22 |
Family
ID=46875503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE202012007238U Expired - Lifetime DE202012007238U1 (en) | 2012-07-27 | 2012-07-27 | Device for producing three-dimensional objects |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE202012007238U1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013009875A1 (en) * | 2013-06-13 | 2014-12-18 | Cl Schutzrechtsverwaltungs Gmbh | Method and device for producing three-dimensional objects |
| WO2016202866A1 (en) | 2015-06-19 | 2016-12-22 | Aconity3D Gmbh | Powder bed-based laser melting system |
| DE102017104303A1 (en) * | 2017-03-01 | 2018-09-06 | Cl Schutzrechtsverwaltungs Gmbh | Handling device for a device for the additive production of three-dimensional objects |
| US11173657B2 (en) | 2015-06-19 | 2021-11-16 | Aconity Gmbh | Powder application unit for a PBLS system and method for applying two successive powder layers in a PLBS method |
| US11331849B2 (en) | 2015-06-19 | 2022-05-17 | Aconity Gmbh | Bottom-up powder conveying mechanism for an L-PBF system, L-PBF system and method for retrofitting and operating an L-PBF system |
-
2012
- 2012-07-27 DE DE202012007238U patent/DE202012007238U1/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013009875A1 (en) * | 2013-06-13 | 2014-12-18 | Cl Schutzrechtsverwaltungs Gmbh | Method and device for producing three-dimensional objects |
| WO2016202866A1 (en) | 2015-06-19 | 2016-12-22 | Aconity3D Gmbh | Powder bed-based laser melting system |
| US10994526B2 (en) | 2015-06-19 | 2021-05-04 | Aconity Gmbh | Powder bed-based laser melting system |
| US11173657B2 (en) | 2015-06-19 | 2021-11-16 | Aconity Gmbh | Powder application unit for a PBLS system and method for applying two successive powder layers in a PLBS method |
| US11331849B2 (en) | 2015-06-19 | 2022-05-17 | Aconity Gmbh | Bottom-up powder conveying mechanism for an L-PBF system, L-PBF system and method for retrofitting and operating an L-PBF system |
| DE102017104303A1 (en) * | 2017-03-01 | 2018-09-06 | Cl Schutzrechtsverwaltungs Gmbh | Handling device for a device for the additive production of three-dimensional objects |
| US11052548B2 (en) | 2017-03-01 | 2021-07-06 | Concept Laser Gmbh | Handling device for an apparatus for the additive manufacture of three-dimensional objects |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R207 | Utility model specification |
Effective date: 20121011 |
|
| R150 | Utility model maintained after payment of first maintenance fee after three years | ||
| R151 | Utility model maintained after payment of second maintenance fee after six years | ||
| R152 | Utility model maintained after payment of third maintenance fee after eight years | ||
| R071 | Expiry of right |