EP1044743A1 - Warmkammer-Druckgiessmaschine - Google Patents
Warmkammer-Druckgiessmaschine Download PDFInfo
- Publication number
- EP1044743A1 EP1044743A1 EP99111960A EP99111960A EP1044743A1 EP 1044743 A1 EP1044743 A1 EP 1044743A1 EP 99111960 A EP99111960 A EP 99111960A EP 99111960 A EP99111960 A EP 99111960A EP 1044743 A1 EP1044743 A1 EP 1044743A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- die casting
- casting machine
- chamber die
- hot chamber
- machine according
- 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
- 238000004512 die casting Methods 0.000 title claims abstract description 29
- 238000005266 casting Methods 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 239000000155 melt Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/02—Hot chamber machines, i.e. with heated press chamber in which metal is melted
- B22D17/06—Air injection machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/2015—Means for forcing the molten metal into the die
Definitions
- the invention relates to a hot chamber die casting machine one placed in a metal bath inside a crucible Pouring container with a riser pipe with mouthpiece and one attached to this nozzle and two with their Axes of drive units aligned parallel to the nozzle, on the one hand with a crossbeam assigned to the crucible Machine stand and on the other hand with the fixed Form plate of a clamping unit are connected to the Half of a mold is attached, the sprue during the casting process can be pressed against the tip of the nozzle.
- the invention has for its object the drive units for the approach of the mold to the nozzle that a time-optimized and sensitive feed control as possible is achievable, regardless of on such die casting machines occurring temperatures.
- the linear drive can designed as a spindle drive and also with be surrounded by a continuous cooling jacket. It is possible, also to equip the servo motors with water cooling.
- a rack and pinion drive is also a linear drive conceivable, although the spindle drive has proven to be advantageous Has.
- the slope finally can be designed so that it acts self-locking, so that an unwanted feed or return of the drive is prevented is and the necessary during the die casting process Holding pressure can be maintained.
- the engine load torques are like this fixed that a secure closure between the sprue bushing and the tip of the nozzle is guaranteed.
- the servomotors can be used operated at different speeds, the Arrangement is made so that the feed rate opposite of the drive just before the nozzle tip is applied the feed rate is greatly reduced. It's going on this way namely possible, the sprue neck finely regulated to approach the nozzle tip. This can cause wear largely avoided at this point. It is known the nozzle tip hardened and settles in a very small Contact area on the sprue bush. If it is too hard Stop can therefore damage the tip of the nozzle, what avoided by the inventive design becomes.
- FIG. 1 shows a hot chamber die casting machine, on the base frame designed as a machine stand 1 and above a machine base 2 on the left Side of the locking part 3 of the machine with the guide rods 4 for a movable platen 5 with an adjustment drive 6 and a known toggle lock mechanism 7 and a stationary mold platen 8 is arranged.
- This fixed platen 8 is a movable on rails 9 (Fig. 4) Furnace 10 associated with a crucible 11 by a Traverse 12 is spanned.
- On the traverse see Fig. 2 and 3) is the outer cylindrical housing 13 of two Spindle drives 14 arranged parallel to one another are fastened.
- This spindle 16 is one electric servomotor 17 driven, the axis of rotation 18 approximately perpendicular to the surface 10a of the furnace 10 (Fig. 4) and thus approximately vertically to the footprint 19 of the hot chamber die casting machine is aligned.
- the two of them Servomotors 17 controlled synchronously with each other, so that the Platen 5 is exactly parallel. An uneven one Force applied by the two spindle drives is excluded.
- FIG. 2 it dips into the crucible 11 in a known manner, a casting container 26, the top through the traverse 12 with a piston drive 27 for one not shown, immersed in the casting container 26 Piston is applied.
- This casting container 26 has in Area within the arranged in the crucible 11 Melt a riser pipe that is approximately parallel to the casting container 26 leads from the end of the pouring container upwards and onto it Mouth a nozzle 29 is placed. This nozzle 29 is in the Position of the die casting machine according to FIGS.
- the total stroke of the downward movement is used for set-up and service purposes on the nozzle 29, the casting container 26 and the nozzle tip 29a and for process engineering in this area necessary modules used.
- the axes are 18 of the servo motors 17 arranged approximately vertically, and the servo motors close via an angular gear 15 on the spindle 16 on.
- This configuration therefore causes the electrical Servomotors 17 as far from the surface as possible 10a of the furnace 10 and the crucible are removed.
- the effect of heat from the oven can therefore largely be ruled out be so that it becomes possible in this way, electrical Servomotors that are very fine in different speed levels are adjustable, even for the rough operation of a Hot chamber die casting machine as drives for starting and stopping to use the nozzle.
- With water-cooled servomotors 17 and additional heat conducting plates 35 and an integrated Cooling jacket 36 the furnace heat radiation is reduced to the extent that this has no adverse effect on the function who has drives.
- the sprue bush 30 With the selected drive type, it is possible to use the sprue bush 30 initially very quickly to the nozzle 29, but then by reducing the feed rate accordingly Approaching the nozzle tip 29a very slowly and sensitively to design any damage to the nozzle tip or the Avoid form. This can be done by regulating the two Spindle drives can be achieved when starting (and also when driving down) a so-called target braking on the contact point used there. The contact point is in a search determined. Then the adjustable contact pressure is exceeded a torque control of the motors is built. This facility would therefore allow the contact pressure (between nozzle and sprue sleeve) of those required for the melt in the mold Adjust the press-in force and this adjustment after a mathematical formula.
- the thread of the spindle 16 and the counter thread 20 of the spindle nut 21 can be designed to be self-locking are. After placing the sprue sleeve 31 on the nozzle tip 29a and switching off a drive can therefore Nozzle is kept stable and firm in its operating position, the prerequisite, of course, is the design of the drive thread on the high forces to be expected when Die casting is to be designed. The engine relief torques are additional adjusted so that a secure closure between Sprue bushing and nozzle tip is guaranteed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
Description
- Fig. 1
- eine schematische Draufsicht auf eine Warmkammer-Druckgießmaschine nach der Erfindung,
- Fig. 2
- die vergrößerte Darstellung, teilweise aufgebrochen, des Bereiches des verfahrbaren Ofens mit den Antriebsaggregaten und der festen Formenplatte,
- Fig. 3
- einen Schnitt durch die Einrichtung der Fig. 2 längs der Linie III-III, und
- Fig. 4
- die Ansicht der Einrichtung der Fig. 2 in Richtung des Pfeiles IV.
Claims (11)
- Warmkammer-Druckgießmaschine mit einem in einem Metallbad innerhalb eines verfahrbar angeordneten Schmelztiegels (11) angeordneten Gießbehälter (26) mit einem Steigrohr mit Mundstück und einer an dieses angesetzten Düse (29) sowie mit zwei mit ihren Achsen parallel zur Düse ausgerichteten Antriebsaggregaten (14), die einerseits mit einer Traverse eines dem Schmelztiegel (11) zugeordneten Maschinenständers und andererseits mit der festen Formplatte (8) einer Schließeinheft verbunden sind, an der die Hälfte einer Form (31) befestigt ist, deren Angußbüchse (30) beim Gußvorgang an die Düsenspitze (29a) andrückbar ist,
dadurch gekennzeichnet,
daß die Antriebsaggregate (14) als von elektrischen Servomotoren (17) getriebene Linearantriebe ausgebildet sind, deren Vorschubgeschwindigkeit regelbar ist. - Warmkammer-Druckgießmaschine nach Anspruch 1, dadurch gekennzeichnet, daß beide Antriebsaggregate (14) synchron geregelt sind.
- Warmkammer-Druckgießmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß als Linearantriebe Spindelantriebe vorgesehen sind.
- Warmkammer-Druckgießmaschine nach Anspruch 1 mit Antriebsaggregaten, die oberhalb eines den Schmelztiegel (11) aufnehmenden Ofens (10) angeordnet sind, dadurch gekennzeichnet, daß die Drehachsen (18) der Servomotoren (17) über ein Winkelgetriebe (15) am Linearantrieb (16, 20) angeschlossen und etwa vertikal ausgerichtet sind.
- Warmkammer-Druckgießmaschine nach Anspruch 4, dadurch gekennzeichnet, daß das Winkelgetriebe (15) jeweils mit einer Wärmeisolation ausgestattet ist.
- Warmkammer-Druckgießmaschine nach Anspruch 5, dadurch gekennzeichnet, daß zur Wärmeisolation die Antriebsaggregate (14) und die Winkelgetriebe (15) umgebende Wärmeleitbleche (35) vorgesehen sind.
- Warmkammer-Druckgießmaschine nach Anspruch 5, dadurch gekennzeichnet, daß die Antriebsaggregate (14) mit einem integrierten Kühlmantel (36) versehen sind.
- Warmkammer-Druckgießmaschine nach Anspruch 3 , dadurch gekennzeichnet, daß der Spindelantrieb (14) mit einer Rollspindel (16) oder einer Kugelumlaufspindel versehen ist.
- Warmkammer-Druckgießmaschine nach Anspruch 8, dadurch gekennzeichnet, daß die Steigung des Gewindes der Rollspindel oder Kugelumlaufspindel (16) und das Gegengewinde (20) selbsthemmend ausgebildet sind.
- Warmkammer-Druckgießmaschine nach Anspruch 1, dadurch gekennzeichnet, daß die Servomotoren so ausgelegt und steuerbar sind, daß die Vorschubgeschwindigkeit der Angußbüchse (31) kurz vor dem Anlegen an die Düsenspitze (29a) gegenüber der Anfahrgeschwindigkeit reduziert ist und danach als Anpreßkraft nur die ausgeregelten Motordrehmomente auf den Düsenspritzenverschluß wirksam sind.
- Warmkammer-Druckgießmaschine nach Anspruch 10, dadurch gekennzeichnet, daß zur Regelung der Vorschubgeschwindigkeit der Angußbüchse (31) beim Anfahren und beim Abfahren eine sogenannte Zielbremsung auf den Anlagepunkt hin vorgesehen ist, der in einem Suchlauf ermittelt wird.
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT99111960T ATE246561T1 (de) | 1999-04-13 | 1999-06-24 | Warmkammer-druckgiessmaschine |
EP99111960A EP1044743B1 (de) | 1999-04-13 | 1999-06-24 | Warmkammer-Druckgiessmaschine |
DE59906506T DE59906506D1 (de) | 1999-04-13 | 1999-06-24 | Warmkammer-Druckgiessmaschine |
ES99111960T ES2205643T3 (es) | 1999-04-13 | 1999-06-24 | Maquina de colada a presion de camara caliente. |
JP2000110565A JP4808833B2 (ja) | 1999-04-13 | 2000-04-06 | ホットチャンバーダイキャストマシン |
PL339612A PL193532B1 (pl) | 1999-04-13 | 2000-04-12 | Gorącokomorowa ciśnieniowa maszyna odlewnicza i sposób prowadzenia jej eksploatacji |
US09/550,271 US6390175B1 (en) | 1999-04-13 | 2000-04-13 | Hot chamber die-casting machine |
CZ20001347A CZ301964B6 (cs) | 1999-04-13 | 2000-04-13 | Tlakový lis s teplou komorou |
HK01101580A HK1030570A1 (en) | 1999-04-13 | 2001-03-05 | Hot chamber die casting machine |
JP2010025890A JP2010099742A (ja) | 1999-04-13 | 2010-02-08 | ホットチャンバーダイキャストマシン |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99106242 | 1999-04-13 | ||
EP99106242 | 1999-04-13 | ||
EP99111960A EP1044743B1 (de) | 1999-04-13 | 1999-06-24 | Warmkammer-Druckgiessmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1044743A1 true EP1044743A1 (de) | 2000-10-18 |
EP1044743B1 EP1044743B1 (de) | 2003-08-06 |
Family
ID=26152941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99111960A Expired - Lifetime EP1044743B1 (de) | 1999-04-13 | 1999-06-24 | Warmkammer-Druckgiessmaschine |
Country Status (9)
Country | Link |
---|---|
US (1) | US6390175B1 (de) |
EP (1) | EP1044743B1 (de) |
JP (2) | JP4808833B2 (de) |
AT (1) | ATE246561T1 (de) |
CZ (1) | CZ301964B6 (de) |
DE (1) | DE59906506D1 (de) |
ES (1) | ES2205643T3 (de) |
HK (1) | HK1030570A1 (de) |
PL (1) | PL193532B1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE246561T1 (de) * | 1999-04-13 | 2003-08-15 | Frech Oskar Gmbh & Co | Warmkammer-druckgiessmaschine |
IT201700033183A1 (it) * | 2017-03-27 | 2018-09-27 | Flavio Mancini | Impianto per la pressofusione a camera calda di leghe non ferrose |
CN106890969A (zh) * | 2017-03-29 | 2017-06-27 | 嘉善永金金属制品有限公司 | 一种具有升降功能的铸件压力装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1974822A (en) * | 1930-08-25 | 1934-09-25 | Paragon Die Casting Company | Die-casting machine |
US2012548A (en) * | 1932-03-05 | 1935-08-27 | Roehri Carl | Die casting machine |
US4990084A (en) * | 1989-11-06 | 1991-02-05 | Cincinnati Milacron Inc. | Mold clamping system |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT292222B (de) * | 1969-04-28 | 1971-08-25 | Peter Florjancic | Spindel-Schließvorrichtung, insbesondere für Spritzguß-Maschinen |
DE3018288C2 (de) * | 1980-05-13 | 1983-12-29 | Oskar Frech GmbH + Co, 7060 Schorndorf | Höhenverstellvorrichtung der Formschließeinheit bei einer Warmkammer-Druckgießmaschine |
DE3238202A1 (de) * | 1982-10-15 | 1984-04-26 | Oskar Frech GmbH + Co, 7060 Schorndorf | Vorrichtung zur herstellung von formgussteilen |
JPH0176213U (de) * | 1987-11-09 | 1989-05-23 | ||
CH680916A5 (de) * | 1989-11-10 | 1992-12-15 | Vickers Inc | |
JPH0780040B2 (ja) * | 1990-09-14 | 1995-08-30 | 宇部興産株式会社 | 鋳造装置 |
DE4310310A1 (de) * | 1993-03-30 | 1994-10-06 | Frech Oskar Gmbh & Co | Einpreßaggregat |
US5454423A (en) * | 1993-06-30 | 1995-10-03 | Kubota Corporation | Melt pumping apparatus and casting apparatus |
JP2592590Y2 (ja) * | 1993-10-25 | 1999-03-24 | 東芝機械株式会社 | ホットチャンバ型ダイカストマシンのノズル押圧装置 |
US5565224A (en) * | 1994-04-20 | 1996-10-15 | Hpm Corporation | Electric injection molding machine |
JPH07301491A (ja) * | 1994-05-02 | 1995-11-14 | Shinko Electric Co Ltd | アルミ保温炉 |
DE4419848C1 (de) * | 1994-06-07 | 1995-12-21 | Frech Oskar Gmbh & Co | Warmkammer-Druckgießmaschine |
JPH08318545A (ja) * | 1995-05-26 | 1996-12-03 | Japan Steel Works Ltd:The | 電動式射出成形機の射出装置移動制御方法及び装置 |
DE19531161C2 (de) * | 1995-08-24 | 1999-05-20 | Frech Oskar Gmbh & Co | Warmkammer-Druckgießmaschine |
JPH09225984A (ja) * | 1996-02-23 | 1997-09-02 | Japan Steel Works Ltd:The | 電動射出機のモータの制御方法および装置 |
JPH1110302A (ja) * | 1997-06-26 | 1999-01-19 | Toshiba Mach Co Ltd | 電磁加圧成形機 |
JP3240352B2 (ja) * | 1998-10-20 | 2001-12-17 | 日精樹脂工業株式会社 | 電動式射出成形機 |
ATE246561T1 (de) * | 1999-04-13 | 2003-08-15 | Frech Oskar Gmbh & Co | Warmkammer-druckgiessmaschine |
ES2202948T3 (es) * | 1999-04-13 | 2004-04-01 | OSKAR FRECH GMBH & CO. | Unidad de cierre de molde, en especial para una maquina de colada a presion de camara. |
-
1999
- 1999-06-24 AT AT99111960T patent/ATE246561T1/de active
- 1999-06-24 ES ES99111960T patent/ES2205643T3/es not_active Expired - Lifetime
- 1999-06-24 EP EP99111960A patent/EP1044743B1/de not_active Expired - Lifetime
- 1999-06-24 DE DE59906506T patent/DE59906506D1/de not_active Expired - Lifetime
-
2000
- 2000-04-06 JP JP2000110565A patent/JP4808833B2/ja not_active Expired - Fee Related
- 2000-04-12 PL PL339612A patent/PL193532B1/pl unknown
- 2000-04-13 CZ CZ20001347A patent/CZ301964B6/cs not_active IP Right Cessation
- 2000-04-13 US US09/550,271 patent/US6390175B1/en not_active Expired - Lifetime
-
2001
- 2001-03-05 HK HK01101580A patent/HK1030570A1/xx not_active IP Right Cessation
-
2010
- 2010-02-08 JP JP2010025890A patent/JP2010099742A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1974822A (en) * | 1930-08-25 | 1934-09-25 | Paragon Die Casting Company | Die-casting machine |
US2012548A (en) * | 1932-03-05 | 1935-08-27 | Roehri Carl | Die casting machine |
US4990084A (en) * | 1989-11-06 | 1991-02-05 | Cincinnati Milacron Inc. | Mold clamping system |
Also Published As
Publication number | Publication date |
---|---|
CZ301964B6 (cs) | 2010-08-18 |
HK1030570A1 (en) | 2001-05-11 |
US6390175B1 (en) | 2002-05-21 |
JP2000301309A (ja) | 2000-10-31 |
CZ20001347A3 (cs) | 2001-07-11 |
ATE246561T1 (de) | 2003-08-15 |
PL193532B1 (pl) | 2007-02-28 |
EP1044743B1 (de) | 2003-08-06 |
ES2205643T3 (es) | 2004-05-01 |
DE59906506D1 (de) | 2003-09-11 |
PL339612A1 (en) | 2000-10-23 |
JP4808833B2 (ja) | 2011-11-02 |
JP2010099742A (ja) | 2010-05-06 |
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