EP0723486A1 - Vorrichtung zum kernpaketieren - Google Patents
Vorrichtung zum kernpaketierenInfo
- Publication number
- EP0723486A1 EP0723486A1 EP94920874A EP94920874A EP0723486A1 EP 0723486 A1 EP0723486 A1 EP 0723486A1 EP 94920874 A EP94920874 A EP 94920874A EP 94920874 A EP94920874 A EP 94920874A EP 0723486 A1 EP0723486 A1 EP 0723486A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cores
- manipulator
- core
- transport
- packaging
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/103—Multipart cores
Definitions
- the invention relates to a device for core packaging with a transport device acting between a removal station of a core shooting machine and a transfer station, a packaging device having at least one first manipulator and adhesive application means and optionally a coupled immersion bath and a downstream drying oven.
- the device known from DE-PS 35 26 265 is problematic in practice, however, since only cores from a single core shooter can be packaged there. In particular in the case of core packages with a very large number of cores or with a complex structure, however, it is necessary to manufacture the individual cores with a wide variety of tools on different core shooters and to combine them into a core package. Furthermore, in the known device the handle is ⁇ Practice of the cores through the step of applying the adhesive up to the pressing is complex and requires a considerable outlay on equipment. The present invention is therefore based on the object of designing and developing a device for core packaging of the type mentioned at the outset such that a rapid automatic assembly of even complex core packages is possible with the least possible design effort.
- the device for core packaging according to the invention achieves the above object by the features of the independent claims 1 and 2. Thereafter, the device according to the invention is designed within the scope of a first alternative in such a way that cores of at least two core shooting machines can be fed to the packaging device via the transfer station. In the context of a second alternative, the device according to the invention is designed such that the first manipulator is used for gripping and depositing or stacking the cores and that the cores can be placed on one another on a carriage or undercarriage.
- cores from different core shooting machines can be fed to a single device for core packaging using simple constructional means, namely in that the cores - regardless of which core shooting machine they come from - are fed to the transfer station.
- This transfer station forms, so to speak, a node in front of the actual packaging device, from where the individual cores of the packaging device are fed - piece by piece.
- This transport range could have special - rigid - receptacles for the core.
- this requires an exact adjustment of the receptacles, so that when the core is taken over, no stresses and consequent destruction of the core occur.
- the transport pallet has an air cushion for each core for storage.
- the cores could each be depositable from the upper part of the tool onto the air cushions, the air cushions roughly adapting to the position of the cores "hanging" on the upper part of the tool. In other words, the air cushions could practically float towards the cores "hanging" on the upper part of the tool before removal, which makes special adjustment unnecessary. Damage to the cores is thus largely excluded. Only when the cores rest on the air cushion would they be pushed off or ejected from the upper part of the tool. Bracing is impossible due to the quasi "floating" air cushions.
- the cores in particular within the scope of the alternative which is also claimed as essential to the invention, can be reached by covering the shortest paths through the first manipulator and stored or stacked for packaging. Specifically, the cores are placed on top of one another on a carriage or undercarriage, the sequence of the cores to be gripped and deposited can be predetermined as desired using a corresponding control.
- the adhesive application means could apply the adhesive to the surfaces of the cores intended for mutual abutment before, during or after handling by the first manipulator.
- the first or lowest core could be provided with adhesive on its upper surface, onto which the second core, which is also provided with adhesive on its upper surface, is then pressed or placed.
- the package could be pressed uniaxially so that the adhesive located between the cores is pressed completely into the pores of the cores.
- the pressing process could already take place when the cores were placed on top of one another, so that further handling for pressing was no longer necessary.
- the stacked and glued cores are preferably rotated by 90 ° by means of the first manipulator or by means of a swiveling device connected downstream. pivots.
- the cores are moved from the stacked position into a position one behind the other or next to one another.
- the first manipulator which has already been mentioned several times, could have grippers or clamping jaws acting on both sides for handling the cores, the contact pressures required for gripping or clamping being set to the low strength of the cores.
- the swivel device which could also have grippers or clamping jaws acting on both sides of the cores.
- a second manipulator is used to take over the pivoted core package and to deliver them to a downstream immersion or black bath.
- a coating or impregnation takes place here in the surface area of the core packet, thereby preventing liquid iron from burning into the core sand during casting.
- the surface of the core package is refined here.
- the second manipulator could also have grippers or clamping jaws acting on both sides of the cores, for which the above-mentioned applies to the first manipulator.
- the second manipulator could also be used to transfer the core package removed from the immersion bath to a drying oven.
- this drying oven could simultaneously have two core packages in parallel, i.e. side by side, can be fed. Any type of oven, especially a belt oven or a push-through oven, would come into question here.
- FIG. 1 shows a schematic plan view of a first exemplary embodiment of a device for core packaging according to the invention, three cores each being supplied by two core shooters and
- Fig. 2 in a schematic side view, partially, a second embodiment of a device according to the invention, wherein four cores are taken from a core shooter.
- FIGS. 1 and 2 show slightly modified devices for core packaging with a transport device 4 and a packaging device 5 acting between a removal station 1, a core shooting machine 2 and a transfer station 3.
- the packaging device 5 has two manipulators 6 and adhesive application means 8.
- An immersion bath 9 and a drying oven 10 are connected or connected downstream.
- the coring device 5 can be supplied with cores 11 from two core shooters 2 via the transfer station 3, which can be seen in particular in FIG. 1.
- each core shooting line 2 a total of three cores 11.
- each core shooter 2 is assigned a removal station 1, the cores 11 in the removal station 1 being able to be placed on a transport pallet 12 assigned to the transport device 4.
- the core shooter 2 supplies a total of four cores 11, the number of cores 11 which can be produced simultaneously for each tool set depending on the geometry or their space requirement.
- the transport pallet 12 has an air cushion 13 for storage for each core 11.
- the cores 11 can be deposited on the air cushions 13 from the tool upper part 14, which is only indicated in FIG. 2, the air cushions 13 roughly adapting to the position of the cores 11 hanging on the tool upper part 14 during transfer or removal.
- the transport pallets 12 can be fed to the transfer station 3 on both sides and can be positioned approximately next to one another in the transfer station 3. Because of the movability of the first manipulator 6, it can be moved over or above the transport pallets 12 and is used for gripping and depositing or stacking the cores 11 on a carriage 15. The cores 11 are placed there on top of one another or stacked, the adhesive application means 8, which are only indicated in FIG. 1, serve for the partial application of adhesive and for surfaces of the cores which are intended for mutual contact. The adhesive is applied either before, during or after handling by the first manipulator 6.
- a special swiveling device 17 which is arranged downstream of the first manipulator 6, is provided, which serves for swiveling the stacked or glued cores 11 by preferably 90 °.
- Both the first manipulator 6 and the swivel device 17 have clamping jaws 18 acting on both sides of the cores, by means of which the cores 11 or the core package 20 are gripped.
- a second manipulator 19 serves to take over the pivoted core package 20 and to deliver it to the immersion bath 9. There the core package 20 could be placed on a lifting device and - on a corresponding support 16 - lowered into the immersion bath 9.
- the core package 20 is taken over again by the second manipulator 19, which can also have grippers or clamping jaws 18 acting on both sides of the cores 111 and which grips or clamps the core package 20 in the usual way.
- the second manipulator 19 then serves to forward the core package 20 to the drying oven 10, into which two core packages 20 positioned next to one another can be inserted simultaneously.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Manipulator (AREA)
- Casting Devices For Molds (AREA)
- Coating Apparatus (AREA)
- Basic Packing Technique (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4334857 | 1993-10-13 | ||
DE4334857A DE4334857C1 (de) | 1993-10-13 | 1993-10-13 | Vorrichtung zum Kernpaketieren |
PCT/DE1994/000808 WO1995010374A1 (de) | 1993-10-13 | 1994-07-14 | Vorrichtung zum kernpaketieren |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0723486A1 true EP0723486A1 (de) | 1996-07-31 |
EP0723486B1 EP0723486B1 (de) | 1997-10-08 |
Family
ID=6500028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94920874A Expired - Lifetime EP0723486B1 (de) | 1993-10-13 | 1994-07-14 | Vorrichtung zum kernpaketieren |
Country Status (7)
Country | Link |
---|---|
US (1) | US5724788A (de) |
EP (1) | EP0723486B1 (de) |
JP (1) | JP2977092B2 (de) |
CA (1) | CA2173492A1 (de) |
DE (2) | DE4334857C1 (de) |
ES (1) | ES2109710T3 (de) |
WO (1) | WO1995010374A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995015231A1 (de) * | 1993-12-03 | 1995-06-08 | Adolf Hottinger Maschinenbau Gmbh | Vorrichtung und verfahren zur herstellung giessfertiger masken bzw. kernpakete |
WO1996008327A1 (de) * | 1994-09-12 | 1996-03-21 | Adolf Hottinger Maschinenbau Gmbh | Vorrichtung zum einlegen eines teils in einen zu einem kernpaket zu ergänzenden giessereikern |
US5752564A (en) | 1997-01-08 | 1998-05-19 | Amsted Industries Incorporated | Railway truck castings and method and cores for making castings |
DE19722599A1 (de) * | 1997-05-29 | 1998-12-03 | Hottinger Maschb Gmbh | Vorrichtung und Verfahren zum Paketieren von Kernen |
DE10336917A1 (de) * | 2003-08-07 | 2005-03-10 | Hottinger Maschb Gmbh | Vorrichtung zur Fertigung von Kernpaketen |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS521889B2 (de) * | 1973-11-12 | 1977-01-18 | ||
US4190097A (en) * | 1977-11-23 | 1980-02-26 | Grede Foundries Inc. | Apparatus for making foundry cores |
EP0123756B1 (de) * | 1983-04-27 | 1987-06-16 | Naniwa Products Co, Ltd | Vollautomatische "cold box" Maschine für das Formen eines integrierten Verbundkernes |
DE3526265A1 (de) * | 1985-07-23 | 1987-02-05 | Hottinger Adolf Giesserei | Kern- bzw. masken-paketiermaschine |
DE3624554A1 (de) * | 1986-07-21 | 1988-01-28 | Rheinische Maschinenfabrik & E | Anlage zum herstellen eines kernpaketes |
DE4100917A1 (de) * | 1991-01-15 | 1992-07-16 | Hottinger Adolf Masch | Verfahren und vorrichtung zum handhaben von kernteilen zwecks bereitstellung eines giessbereiten kernpakets |
-
1993
- 1993-10-13 DE DE4334857A patent/DE4334857C1/de not_active Expired - Fee Related
-
1994
- 1994-07-14 DE DE59404289T patent/DE59404289D1/de not_active Expired - Fee Related
- 1994-07-14 CA CA002173492A patent/CA2173492A1/en not_active Abandoned
- 1994-07-14 US US08/632,406 patent/US5724788A/en not_active Expired - Fee Related
- 1994-07-14 JP JP7511150A patent/JP2977092B2/ja not_active Expired - Lifetime
- 1994-07-14 WO PCT/DE1994/000808 patent/WO1995010374A1/de active IP Right Grant
- 1994-07-14 ES ES94920874T patent/ES2109710T3/es not_active Expired - Lifetime
- 1994-07-14 EP EP94920874A patent/EP0723486B1/de not_active Expired - Lifetime
Non-Patent Citations (2)
Title |
---|
HERBERT KNAB 'Automatische Kernherstellung nach dem Maskenformverfahren f}r * |
Hydraulikguss in einem verketteten System' , GIESSEREI 79 (1992) 3 FEBRUAR, NO 3, SEITE 98-102 , D}SSELDORF siehe Seite 98 - Seite 102 * |
Also Published As
Publication number | Publication date |
---|---|
JPH08510963A (ja) | 1996-11-19 |
WO1995010374A1 (de) | 1995-04-20 |
DE59404289D1 (de) | 1997-11-13 |
US5724788A (en) | 1998-03-10 |
EP0723486B1 (de) | 1997-10-08 |
CA2173492A1 (en) | 1995-04-20 |
DE4334857C1 (de) | 1994-10-13 |
JP2977092B2 (ja) | 1999-11-10 |
ES2109710T3 (es) | 1998-01-16 |
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