EP0697929B2 - Zufuhreinrichtung für formkästen - Google Patents
Zufuhreinrichtung für formkästen Download PDFInfo
- Publication number
- EP0697929B2 EP0697929B2 EP94913495A EP94913495A EP0697929B2 EP 0697929 B2 EP0697929 B2 EP 0697929B2 EP 94913495 A EP94913495 A EP 94913495A EP 94913495 A EP94913495 A EP 94913495A EP 0697929 B2 EP0697929 B2 EP 0697929B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- moulding
- line section
- conveying line
- boxes
- flasks
- 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
- 238000000465 moulding Methods 0.000 title claims abstract description 97
- 239000004576 sand Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000005266 casting Methods 0.000 claims abstract description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000032258 transport Effects 0.000 claims 2
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000011144 upstream manufacturing Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000003110 molding sand Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C25/00—Foundry moulding plants
Definitions
- the invention relates to conveyors which mold boxes are fed to molding machines can.
- the sand comes from the molding machines (Molding sand) molded on models in the molding boxes. These sand molds (sand mold halves) then become Molds assembled.
- a single conveyor line knows the state of the art two molding machines arranged one behind the other ("Form line” see FIG. 2).
- the ones intended for molding empty mold boxes (1, 2) are located there - lower and lower Alternating top boxes - on the feed roller conveyor (3) the forming line and are by means of a feed unit (4) by twice the box length in Direction of the molding machines (5, 6) clocked ("feed cycle").
- the molding machines in an odd Pitch are arranged one behind the other, they receive the one for them with each feed cycle certain lower box or upper box. This means, the lower boxes pass the upper box molding machine (5) without stopping, and the top boxes also run through the bottom box molding machine (6) without a stop.
- the one for the simultaneous impression taking a lower and upper box available Time is calculated from the cycle time of the molding system minus the time for the double push of the molding boxes through the shape line; or the other way around the cycle time of the form line from the working time of the two Molding machines plus the time for the double push the molding box line.
- That to simultaneous forms of lower and upper boxes for Time available is the time for transportation of the boxes - due to the large stroke (double push) - too long.
- the invention solves the aforementioned problem Mold box exchange between two side by side arranged conveyor lines.
- These funding lines are in Sections divided. At the end of the first section takes place the exchange of a molding box of a type each with a molding box of a different type. This happens in the funding cycle (claim 1, claim 2, Claim 10).
- the first conveyor line section one of the two molding machines is arranged; in the course of the second section of the funding line, located next to the first one no molding machine; in the course of the third section of the funding line the second molding machine is provided, the third conveyor line section being the continuation of the first section and accordingly is arranged next to the second section (claim 2, claim 5).
- the first and second single clock are synchronized (Claim 4, Claim 7, Claim 11), it follows the smallest cycle time of the shape lines.
- a single bar is doing a shifting movement around the center distance two molded boxes one behind the other (Claim 6).
- Top and bottom boxes come from a sand loading facility, that upstream of the form line is, a distributor can be provided that the various molded boxes alternately the two rows of molded boxes arranged side by side feeds (claim 8). At the end of both rows of mold boxes can be merged (claim 9, Claim 12). It’s easy to set up mechanically, since it's just a vertical semicircle repositioning movement must execute the respective one Place the top box on a respective bottom box. by virtue of running the two different ones side by side Mold box types with each other The assigned sand mold halves only result in the Possibility of folding by means of a vertical semicircular movement perform. Such a semicircle movement is mechanical with simple means and to reach quickly, so that time and effort saved when folding the finished shapes can be.
- the invention is particularly effective in decoupling the exchange of the mold boxes (with the exchange device, for example as a transverse displacement device with lifting, transverse thrust and lowering movement) from the molding process of the machines.
- the Invention but also a quality improvement Shapes that are in the "molded mold boxes" (the finished forms) shows. Because none of the finished Forms driven by an (open) molding machine no trickle sand from the driven through Molding machines fall into the finished molds. The surface the castings can be improved noticeably.
- the molding machines 5, 6 for top and bottom boxes are in a line within the molding section 3 where - seen in the direction of flow - the top box machine 5 arranged in front of the lower box machine 6 is. Alternatively, the order of the two Machines are exchanged.
- the row of boxes is different from the state of the art the form line in single cycle with a feed unit 4 moved forward. This can happen because in Direction of the first molding machine only upper boxes 1 be transported.
- the associated sub-boxes 2 run on a parallel roller conveyor 7 - also in Single cycle - alongside the top boxes.
- In the amount of section located between the molding machines 10 of the form line will be the ones already formed Upper boxes sideways against those still to be shaped Lower box by means of a transverse sliding device 9 replaced. From this point on there are only still sub-boxes in the form line. Then these will fed to the lower case molding machine.
- the folding device 20 can cheaply Place the top and bottom boxes on top of each other, as this is yours side by side (parallel in the best case) become. A simple 180 ° vertical swivel movement of the top box on the bottom box gives the finished shape. So also when folding Time and effort can be saved.
- the invention relates to conveyors which mold boxes are fed to molding machines can.
- the sand comes from the molding machines (Molding sand) molded on models in the molding boxes. These sand molds (sand mold halves) then become Molds assembled.
- a single conveyor line knows the state of the art two molding machines arranged one behind the other ("Form line” see FIG. 2).
- the ones intended for molding empty mold boxes (1, 2) are located there - lower and lower Alternating top boxes - on the feed roller conveyor (3) the forming line and are by means of a feed unit (4) by twice the box length in Direction of the molding machines (5, 6) clocked ("feed cycle").
- the molding machines in an odd Pitch are arranged one behind the other, they receive the one for them with each feed cycle certain lower box or upper box. This means, the lower boxes pass the upper box molding machine (5) without a stop, and the top box also run through the bottom box molding machine (6) without a stop.
- the one for the simultaneous impression taking a lower and upper box available Time is calculated from the cycle time of the molding system minus the time for the double push of the molding boxes through the shape line; or the other way around the cycle time of the form line from the working time of the two Molding machines plus the time for the double push the molding box line.
- That to simultaneous forms of lower and upper boxes for Time available is the time for transportation of the boxes - due to the large stroke (double push) - too long.
- the invention solves the aforementioned problem Mold box exchange between two side by side arranged conveyor lines.
- These funding lines are in Sections divided. At the end of the first section takes place the exchange of a molding box of a type each with a molding box of a different type. This happens in the funding cycle (claim 1, claim 2, Claim 10).
- the first conveyor line section one of the two molding machines is arranged; in the course of the second section of the funding line, located next to the first one no molding machine; in the course of the third section of the funding line the second molding machine is provided, the third conveyor line section being the continuation of the first section and accordingly is arranged next to the second section (claim 2, claim 5).
- the first and second single clock are synchronized (Claim 4, Claim 7, Claim 11), it follows the smallest cycle time of the shape lines.
- a single bar is doing a shifting movement around the center distance two molded boxes one behind the other (Claim 6).
- Top and bottom boxes come from a sand loading facility, that upstream of the form line is, a distributor can be provided that the various molded boxes alternately the two rows of molded boxes arranged side by side feeds (claim 8). At the end of both rows of mold boxes can be merged (claim 9, Claim 12). It’s easy to set up mechanically, since it's just a vertical semicircle repositioning movement must execute the respective one Place the top box on a respective bottom box. by virtue of running the two different ones side by side Mold box types with each other The assigned sand mold halves only result in the Possibility of folding by means of a vertical semicircular movement perform. Such a semicircle movement is mechanical with simple means and to reach quickly, so that time and effort saved when folding the finished shapes can be.
- the invention is particularly effective in decoupling the exchange of the mold boxes (with the Exchange device, for example as a transverse displacement device with lifting, transverse thrust and lowering movement) of the molding process of the machines.
- the Invention but also a quality improvement Shapes that are in the "molded mold boxes" (the finished forms) shows. Because none of the finished Forms driven by an (open) molding machine no trickle sand from the driven through Fall molding machines into the finished molds. The surface the castings can be improved noticeably.
- the molding machines 5, 6 for top and bottom boxes are in a line within the molding section 3 where - seen in the direction of flow - the top box machine 5 arranged in front of the lower box machine 6 is. Alternatively, the order of the two Machines are exchanged.
- the row of boxes is different from the state of the art the form line in single cycle with a feed unit 4 moved forward. This can happen because in Direction of the first molding machine only upper boxes 1 be transported.
- the associated sub-box 2 run on a parallel roller conveyor 7 - also in Single cycle - alongside the top boxes.
- In the amount of section located between the molding machines 10 of the form line will be the ones already formed Upper boxes sideways against those still to be shaped Lower boxes by means of a transverse sliding device 9 replaced. From this point on there are only still sub-boxes in the form line. Then these will fed to the lower case molding machine.
- the folding device 20 can cheaply Place the top and bottom boxes on top of each other, as this is yours side by side (parallel in the best case) become. A simple 180 ° vertical swivel movement of the top box on the bottom box gives the finished shape. So also when folding Time and effort can be saved.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Description
Claims (12)
- Fördereinrichtung für Formkästen (1,2,OK,UK), die erste und zweite Modelle beinhalten (Oberkasten,Unterkasten), bei der(a) die erste Modelle beinhaltenden Formkästen (OK,1) entlang eines ersten Förderlinien-Abschnittes (F1) in einem ersten Einzeltakt (ET) förderbar sind;(b) die zweite Modelle beinhaltenden Formkästen (UK,2), entlang eines daneben angeordneten zweiten Förderlinien-Abschnittes (F2) in einem zweiten Einzeltakt (ET) förderbar sind; gekennzeichnet durch(c) eine Austauscheinrichtung (9) am Ende des ersten Förderlinien-Abschnittes (F1), mit welcher die erste Modelle beinhaltenden Formkästen (OK,1) im ersten Einzeltakt (ET) aus dem ersten Förderlinien-Abschnitt (F1) herausnehmbar, dem zweiten Förderlinien-Abschnitt (F2) zuführbar und gegen zweite Modelle beinhaltende Formkästen (UK,2) austauchbar sind.
- Fördereinrichtung nach Anspruch 1, bei der mit der Austauscheinrichtung (9) aus dem zweiten Förderlinien-Abschnitt (F2) zweite Modelle beinhaltende Formkästen (UK,2) herausnehmbar und einem dritten Förderlinien-Abschnitt (F3) zuführbar sind, der die Fortsetzung des ersten Förderlinien-Abschnittes (F1) bildet.
- Fördereinrichtung nach einem der obigen Ansprüche, bei dem die ersten Modelle die Modelle der zu formenden Werkstück-Oberseiten und die zweiten Modelle die Modelle der zu formenden Werkstück-Unterseiten sind.
- Fördereinrichtung nach einem der obigen Ansprüche, bei dem der erste und zweite Einzeltakt (ET; 4, 8) gleichlang bzw. gleichgroß sind, insbesondere zeitlich nicht gegeneinander versetzt sind.
- Fördereinrichtung nach einem der obigen Ansprüche, bei dem je eine Formmaschine (5,6) im Zuge des ersten und dritten Förderlinien-Abschnittes (F1,F3) angeordnet ist, um die Formen - insbesondere Sandformen - in Ober- und Unterkasten (OK,UK) im Gleichtakt zu formen.
- Fördereinrichtung nach einem der obigen Ansprüche, bei der(a) der erste und zweite Einzeltakt (ET; 4, 8) eine insbesondere gleichzeitige Verschiebebewegung aller in dem jeweiligen Förderlinien-Abschnitt (F1,F2,F3) befindlichen Formkästen (Formkasten-Reihe; 7) ist;(b) die Verschiebebewegung eine Wegstrecke (ET) ist, die dem Abstand der Mitten zweier hintereinander angeordneter - gleiche Modelle beinhaltender- Formkästen (1,3) entspricht.
- Fördereinrichtung nach einem der obigen Ansprüche, bei der das Austauschen mittels der Austauscheinrichtung (9) und das Formen mittels der Formmaschinen (5,6) synchronisiert ist, insbesondere gleichzeitig geschieht.
- Fördereinrichtung nach einem der obigen Ansprüche, bei der ein vierter Förderlinien-Abschnitt (F4) dem ersten und zweiten Förderlinien-Abschnitt (F1,F2) vorgelagert ist und letztere beiden Förderlinien-Abschnitte (F1,F2) abwechselnd mit Formkästen (1,2) beschickt.
- Fördereinrichtung nach einem der obigen Ansprüche, die am Ende des dritten und zweiten Förderlinien-Abschnittes (F3,F2) eine Zusammenlege-Vorrichtung aufweist, welche vollständige Formen aus jeweils einem ersten und einem zweiten Formkasten (OK,UK) erstellt.
- Verfahren zum Fördern (Transportieren) von Formkästen (1, 2; OK, UK), die Formsand für Sandformhälften sowie Modelle von Gußteilen enthalten, bei dem(a) erste Modelle beinhaltende Formkästen (1; OK) in einem ersten Einzeltakt (ET, 4) entlang eines ersten Förderlinien-Abschnittes (F1) gefördert werden;(b) zweite Modelle beinhaltende Formkästen (2; UK) entlang eines daneben angeordneten zweiten Förderlinien-Abschnittes (F2) in einem zweiten Einzeltakt (ET; 8) gefördert werden; dadurch gekennzeichnet, daß(c) am Ende des ersten Förderlinien-Abschnittes (F1) erste Modelle beinhaltende - bereits geformte - Formkästen (OK; 1) gegen ungeformte Formkästen (UK; 2) ausgetauscht werden, die in einem dritten Förderlinien-Abschnitt (F3) in einem dritten Einzeltakt weiter gefördert werden, um dort geformt zu werden.
- Verfahren nach Anspruch 10, bei dem die ersten zweiten und dritten Einzeltakte (4, 8, ET) gleichlang sind, insbesondere miteinander ohne Zeitversatz synchronisiert werden.
- Verfahren nach Anspruch 10 oder 11, bei dem am Ende des zweiten (F2) und dritten (F3) Förderlinien-Abschnittes die beiden Sandformenteile (1, 2; OK, UK) zu einer vollständigen Guß-Sandform zusammengelegt (20) werden.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9306964U DE9306964U1 (de) | 1993-05-07 | 1993-05-07 | Zufuhreinrichtung für Formkästen |
DE9306964U | 1993-05-07 | ||
DE4319478 | 1993-06-11 | ||
DE4319478A DE4319478C2 (de) | 1993-05-07 | 1993-06-11 | Zufuhreinrichtung für Formkästen |
PCT/DE1994/000504 WO1994026441A1 (de) | 1993-05-07 | 1994-05-05 | Zufuhreinrichtung für formkästen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0697929A1 EP0697929A1 (de) | 1996-02-28 |
EP0697929B1 EP0697929B1 (de) | 1998-01-21 |
EP0697929B2 true EP0697929B2 (de) | 2003-08-13 |
Family
ID=25926706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94913495A Expired - Lifetime EP0697929B2 (de) | 1993-05-07 | 1994-05-05 | Zufuhreinrichtung für formkästen |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0697929B2 (de) |
AT (1) | ATE162438T1 (de) |
DE (1) | DE4345470C2 (de) |
ES (1) | ES2114190T5 (de) |
WO (1) | WO1994026441A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000043150A1 (en) * | 1999-01-25 | 2000-07-27 | Künkel-Wagner Prozesstechnologie GmbH | Nested machine arrangement for filling and compacting of molding material |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1222572A (fr) * | 1958-04-28 | 1960-06-10 | Combustion Eng | Perfectionnements apportés aux procédés et installations de fonderie |
DE1236140B (de) * | 1964-06-05 | 1967-03-09 | Erwin Buehrer | Vorrichtung zum selbsttaetigen Umsetzen von Formhaelften von einer Foerdervorrichtung auf eine andere oder zum Schliessen von Formen |
JPS57152349A (en) * | 1981-03-17 | 1982-09-20 | Sintokogio Ltd | Simultaneous molding line for two molds |
US4628986A (en) * | 1985-03-26 | 1986-12-16 | Combustion Engineering, Inc. | Molding register system |
FR2657799B1 (fr) * | 1990-02-05 | 1994-04-01 | Peugeot Automobiles | Installation de fonderie pour metaux ferreux. |
DE4226778A1 (de) * | 1992-08-13 | 1994-02-17 | Badische Maschf Gmbh | Verfahren zum Transportieren von Formkasten und nach dem Verfahren arbeitende Gießerei-Formanlage |
-
1993
- 1993-06-11 DE DE4345470A patent/DE4345470C2/de not_active Expired - Lifetime
-
1994
- 1994-05-05 EP EP94913495A patent/EP0697929B2/de not_active Expired - Lifetime
- 1994-05-05 ES ES94913495T patent/ES2114190T5/es not_active Expired - Lifetime
- 1994-05-05 WO PCT/DE1994/000504 patent/WO1994026441A1/de active IP Right Grant
- 1994-05-05 AT AT94913495T patent/ATE162438T1/de active
Also Published As
Publication number | Publication date |
---|---|
EP0697929B1 (de) | 1998-01-21 |
EP0697929A1 (de) | 1996-02-28 |
ATE162438T1 (de) | 1998-02-15 |
DE4345470C2 (de) | 2001-03-08 |
ES2114190T5 (es) | 2004-05-01 |
WO1994026441A1 (de) | 1994-11-24 |
ES2114190T3 (es) | 1998-05-16 |
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