EP0640416B1 - Verfahren und Vorrichtung zum Füllen und Leeren eines Füllmaterials - Google Patents

Verfahren und Vorrichtung zum Füllen und Leeren eines Füllmaterials Download PDF

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Publication number
EP0640416B1
EP0640416B1 EP19940305623 EP94305623A EP0640416B1 EP 0640416 B1 EP0640416 B1 EP 0640416B1 EP 19940305623 EP19940305623 EP 19940305623 EP 94305623 A EP94305623 A EP 94305623A EP 0640416 B1 EP0640416 B1 EP 0640416B1
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EP
European Patent Office
Prior art keywords
filling
furnace
workpiece
discharging
deck
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
Application number
EP19940305623
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English (en)
French (fr)
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EP0640416A3 (de
EP0640416A2 (de
Inventor
Yoshiro C/O Honda Giken Kogyo K.K. Kawamura
Tadayuki C/O Honda Giken Kogyo K.K. Matsuda
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Honda Motor Co Ltd
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Honda Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP20880493A external-priority patent/JP2794150B2/ja
Priority claimed from JP5208802A external-priority patent/JP2558213B2/ja
Priority claimed from JP5208803A external-priority patent/JP2558214B2/ja
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Publication of EP0640416A2 publication Critical patent/EP0640416A2/de
Publication of EP0640416A3 publication Critical patent/EP0640416A3/de
Application granted granted Critical
Publication of EP0640416B1 publication Critical patent/EP0640416B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/16—Auxiliary equipment, e.g. machines for filling tubes with sand

Definitions

  • This invention relates to a method of treating a tubular workpiece by bending it while it contains a filling material and an apparatus for filling and discharging a molten filling material of low melting point into and out of a tubular workpiece as disclosed in GB-A-564623.
  • a filling material of low melting point is introduced into the straight tubular workpiece to enable it to be bent with accuracy.
  • steps of filling the filling material into the straight workpiece, bending the workpiece and then heating the same to melt and discharge the filling material have been carried out at different locations.
  • the filling material once melted and discharged, has to be kept in a heated reservoir and then delivered to the straight workpiece by means of a pump.
  • the straight workpiece is supported by a carrier which is provided with a nozzle adapted to engage with the upper end portion of the workpiece for filling the filling material therein to, whilst a sealing member engages with the lower end of the workpiece.
  • nozzle and sealing member can only be used for one specification of the workpiece, relative to its length and inner and outer diameters, it becomes necessary to reassemble the carrier whenever the specification of the workpiece is changed, and this is clearly inconvenient. It is therefore desired to provide for such changes in the specification of the workpiece in more efficient manner.
  • the present invention provides a method of treating a tubular workpiece by bending it while it contains a filling material, comprising the steps of:
  • the invention provides a filling and discharging furnace for carrying out the method set forth above, comprising
  • a carrier for a workpiece which is to be worked upon whilst filled with a filling material, in filling and discharging furnaces according to the invention preferably comprises:
  • a filling and discharging furnace with a discharging furnace and a filling furnace disposed at the upper and lower parts thereof respectively, it is possible at the same time to fill a filling material in the filling furnace and to melt and discharge it in the discharging furnace, and as a result a heated reservoir for the discharged molten filling material is no longer necessary.
  • the filling furnace is heated by utilizing a part of the hot air which is mainly sent to the discharging furnace, it is also possible to save energy and simplify the structure of the heat keeping equipment within the filling and discharging furnace.
  • the opening and closing operations of a valve of a hot air exhaust duct are linked with those of doors respectively provided for the discharging furnace and the filling furnace, for the workpieces to be moved in and out, hot air may be prevented from escaping through the doors when they are open.
  • the bottom of the discharging furnace is formed with a sloping surface, it is also possible to effect quick and sure release of the filling material into the filling furnace.
  • a workpiece-carrier for use in the context of the present invention is preferably divided into three parts, comprising a carrier body, a filling deck and a sealing deck, the carrier body being provided with a lifting deck adapted to move up and down while supporting a workpiece thereon, the filling deck being provided with a nozzle, and the sealing deck being provided with a seal member and being arranged to move up and down.
  • the carrier body being provided with a lifting deck adapted to move up and down while supporting a workpiece thereon
  • the filling deck being provided with a nozzle
  • the sealing deck being provided with a seal member and being arranged to move up and down.
  • a number of workpieces are supported on such a carrier and also a plurality of nozzles and seal members are provided, arranged to correspond to these workpieces, it is possible to fill the filling material into a number of workpieces at the same time and thus notably improve the working efficiency.
  • the workpieces are detachably secured at their peripheries to the sides of the carrier by resilient engaging members, their manner of attachment or detachment becomes simple and reliable.
  • the lifting deck is elevated by the elevation of the sealing deck, which is also adapted to be elevated by a lifter provided separately from the carrier body, so that the upper end of the workpiece may be connected to the nozzle and the opening at the lower end of the workpiece may be sealed by the seal member, it is not only possible to make the construction of the carrier simple, but also to carry out both the processes of connecting and sealing the workpiece at the same time, and thus reduce the number of the steps involved in filling.
  • the nozzle and the seal member are designed to be replaceable in response to changes in the specification of the workpiece, and the filling deck is held relative to the carrier body by a removable support, it is possible to cope with such changes of specification of the workpiece more flexibly.
  • the sealing deck is designed to be held by a removable support relative to the lower portion of the lifting deck when lifted, it is possible to make the manner of positioning of the lifting deck simple and reliable.
  • the filling deck is provided with a detachably mounted guide pin which is adapted to engage with the inside of the upper end portion of the workpiece with a certain clearance formed therebetween, and if the guide pin is situated concentrically with the nozzle, it is possible to make the manner of positioning of the workpiece and the filling deck simple and to cope with changes in the specification of the workpiece more easily.
  • Fig. 1 is a view which diagrammatically illustrates a bending process of an exhaust pipe for a motorcycle.
  • a straight tubular workpiece 1 in the form of a double tube comprising inner and outer pipes is formed by welding and is introduced into a filling furnace 3 which forms the lower part of a filling and discharging furnace 2.
  • a tubular workpiece 6 which has already been bent is introduced into a discharging furnace 4 which forms the upper part of the furnace.
  • molten filling material discharged from the bent tubular workpiece 6 is collected in a reservoir 5 formed in a floor 7 of the discharging furnace 4. Filling material from the reservoir is then used to fill the space between the inner and outer pipes of the straight tubular workpiece 1 located in the lower filling furnace 3.
  • the bent tubular workpiece 6, emptied of filling material is moved out of the discharging furnace 4 to a succeeding process station. Also, the straight tubular workpiece 1 filled with the filling material is taken out of the filling furnace 3 to undergo the next bending process. Since the workpiece 1 is filled with the filling material, it is possible to accurately carry out bending operations on the inner and outer pipes so as to form a bent tubular workpiece 6.
  • the bent tubular workpiece 6 is then introduced into the discharging furnace 4, where the filling material is melted and discharged as described above.
  • Fig. 2 is a sectional side elevation schematically showing the filling and discharging furnace 2
  • Fig. 3 is a cross-sectional view showing only a portion of the furnace 2 and a carrier therein, as seen from a front of the furnace (arrow A in Fig. 2).
  • the inside of the furnace 2 is divided into upper and lower sections by the floor 7 of the discharging furnace 4, which also serves as a partition wall.
  • Two reservoirs 5 (Fig. 3) are formed to extend in opposite directions from the central region of the floor 7, the bottoms 8 of which slope downwardly toward the interior of the filling furnace 3.
  • a valve 9 is provided at the lowest point of each reservoir, operable from outside by a suitable means to open and close it.
  • Discharging carriers 10 for carrying the bent tubular workpieces 6 are located on the floor 7 of the discharging furnace 4, while filling carriers 12 for carrying the straight tubular workpieces 1 are located on a floor 11 of the filling furnace 3. Two such carriers are provided, one on each side, in each of the furnaces 3 and 4.
  • a wall 13 stands up from the floor 11 of the filling furnace 3, with its top at the same level as the floor 7 of the discharging furnace 4.
  • a doorway of the discharging furnace 4 which faces the wall 13 is opened and closed by a door 14 which is movable up and down, while a doorway of the filling furnace 3 is situated on the opposite side and is opened and closed by a double-leafed hinged door 15.
  • Hot air circulating means including a main duct 16, an axial-flow fan 17 and a duct heater 18, is provided in a top portion of the filling and discharging furnace 2, the axial-flow fan 17 being driven by a motor 19.
  • the main duct 16 communicates with a suction duct 20, an exhaust duct 21, and a supply duct 22.
  • the suction duct 20 opens in the upper region of the discharging furnace 4, while the exhaust duct 21 opens to the atmosphere to discharge the hot air fed from the axial-flow fan 17, being opened and closed by a valve 23.
  • the opening and closing operations of the valve 23 are linked to those of the doors 14 and 15.
  • the valve 23 is arranged to quickly decrease the temperature, especially within the discharging furnace 4, by opening the exhaust duct 21 to atmosphere after the filling and discharging of the filling material but before the doors 14 and 15 are opened, so that hot air does not blow out of the doors.
  • the valve 23 is arranged to be closed while the doors 14 and 15 are closed, during the operations to fill and discharge the filling material.
  • the supply duct 22 extends vertically within the filling and discharging furnace 2 and is arranged to supply a larger proportion of the hot air flow into the discharging furnace 4, through a supply port 24 opening into the lower proportion of the furnace 4, and the remaining portion thereof into the filling furnace 3 through a supply port 25 opening into the upper part of the filling furnace.
  • the inside of the discharging furnace 4 is heated by the hot air fed through the supply port 24 to about 1500°C, which is higher than the melting point of the filling material, while the inside of the filling furnace 3 is kept at a temperature of about 600°C.
  • the hot air flow entering the discharging furnace 4 through the supply port 24 heats the bent tubular workpieces 6 mounted on the discharging carrier 10 and then exits through the suction duct 20, while the hot air flow entering into the filling furnace 3 through the supply port 25 also passes to the suction duct 20 through a communicating port 26 formed in the floor 7 of the discharging furnace 4.
  • the hot air is then heated again by the duct heater 18 before being recirculated through the furnace 2.
  • Fig. 4 is a cross-sectional view showing the filling carrier 12 from the front thereof (arrow A in Fig. 2) in the condition of carrying a number of straight tubular workpieces 1.
  • the filling carrier is divided into three parts, namely a filling deck 30, a carrier body 31 and a sealing deck 32.
  • the sealing deck 32 is arranged to be moved up and down by lifting means such as a hydraulic device (not shown).
  • Fig. 5 is a plan view showing the filling carrier before it is loaded with workpieces.
  • Fig. 6 is a side elevation thereof showing, on the left, the condition of the carrier before receiving the straight tubular workpieces 1 and, on the right, a cross-section after receiving the same.
  • Figs. 9 and 10 are enlarged cross-sectional views showing the upper and lower end portions of the straight tubular works 1 in the condition as shown on the right of Fig. 6.
  • the filling carrier body 31 is loaded with two rows of straight tubular workpieces 1, the rows extending in the front to rear direction.
  • the workpieces are supported by detachably engaging their middle portions in substantially C-shaped support clips 34, the circumference of which is partially cut away as shown in Fig. 7.
  • the support clips 34 are arranged in two rows, supported by a central cross member 35 which extends from front to rear in the central region of the carrier body 31.
  • the ends of the cross member 35 are secured to reinforcement members 37 extending between frame members 36.
  • the carrier body 31 is provided at its lower part with a lifting deck 38 arranged to support the lower ends of the straight tubular workpieces 1.
  • the lifting deck 38 is supported to move up and down by guides located in the four corners between the frame members 36.
  • a lifter not shown
  • it is supported against moving down by inserting supporting pipes 40 under the sealing deck 32 (see Figs. 5 and 6), the ends of the pipes 40 extending through brackets 42 mounted on frame members 41.
  • the filling deck 30 extends downwardly between upper frame members 43 and forms an upwardly open receptacle 44, provided at its upper periphery with a flange 45.
  • the flange portion 45 is mounted on the upper surfaces of the frame members 43, and the filling deck 30 is supported by pipes 46, similar to the pipes 40, which pass through holes 48 (Fig. 4) formed in upstanding edge portions 47 of frame members 43.
  • each guide pin 51 is detachably secured by bolts 49 to brackets 50 at positions corresponding to each straight tubular workpiece 1.
  • the lower end of each guide pin 51 extends downwardly through the bottom of the receptacle 44 and is there enclosed by a pipe-shaped nozzle 52 secured to the receptacle 44.
  • the inner diameter of the nozzle 52 is slightly more than the outer diameter of the upper end portion of the outer pipe 53 of the straight tubular workpiece 1, while the outer diameter of the guide pin 51 is slightly less than the inner diameter of the upper end portion of the inner pipe 54, which extends beyond the outer pipe 53. Accordingly, when the lifting deck 38 is moved upwards, the upper end portion of the workpiece 1 has its outer pipe 53 and inner pipe 54 engaged closely between the guide pin 51 and the nozzle 52.
  • the upper end region of the inner pipe 54 is non-circular in cross-section, whereby a clearance 55 is formed between the outer pipe 53 and the inner pipe 54.
  • a through bore 57 is formed in the bottom 56 of the receptacle 44, and the space between the outer pipe 53 and the inner pipe 54 communicates with the inside of the receptacle 44 through the bore 57, the nozzle 52 and the clearance 55, as shown in Fig. 9.
  • the bore 57 allows the guide pin 51 to pass therethrough, having a larger diameter than the pin.
  • the nozzle 52 is detachably secured by bolts 58 to the bottom 56 of the receptacle 44.
  • the lower end region of the straight tubular workpiece 1 is, as shown in Fig. 10, arranged such that the outer pipe 53 and the inner pipe 54 are in close contact with each other.
  • a seal member 60 made of heat-resistant elastic material such as a silicone rubber closely engages the inside the inner pipe 54 so that it can seal a weep hole formed in the inner pipe 54.
  • a through bore 62 is formed in an upper surface panel 61 of the lifting deck 38, in which a ring 63 is secured.
  • a stopper ring 64 engages with the ring 63 and the lower end of the workpiece 1.
  • the seal member 60 is detachably secured at its base 65 to the sealing deck 32, through bolts 66.
  • the sealing deck 32 is provided, at the center region of both of its ends, with upwardly protruding positioning pins 67 adapted to engage with holes 68 (Fig. 6) formed in the lifting deck 38, when the sealing deck 32 is moved upwardly.
  • the carrier body 31 is arranged to carry different kinds of straight tubular workpieces 1 with different specifications, such as in their inner and outer diameters and their lengths. When the specifications of the workpieces are changed, it is possible to cope with such changes by simply changing the nozzle 52 and the seal member 60, and also the guide pin 51 if necessary.
  • Figs. 11 and 12 respectively show a sectional side elevation and a front view of a discharging carrier 10.
  • a pair of intermediate frame members 71 are arranged between front and rear frame members 70, and supporting plates 72 and 73 are mounted on the frame members 71.
  • Plates 72 and 73 are provided with supporting clips 74 and 75 similar to the supporting clips 34 (Fig.7).
  • the top end of the supporting plate 72 extends upwardly, while the top end of the supporting plate 73 extends substantially horizontally.
  • the supporting plates 72 and 73 are at about 90° to each other. Consequently, when a bent tubular workpiece 6 is engaged in the supporting clips 74 and 75, one end region of the workpiece 6, where its inner and outer pipes are sealed up, is supported substantially horizontally by clip 74, while the other end region where the inner and outer pipes are open (i.e. the end into which the filling material was introduced), is supported to face downwardly, as shown.
  • bent tubular workpieces 6, supported in such manner are arranged in two rows facing each other, as shown in Fig. 12.
  • Reference numeral 76 indicates an auxiliary bracket for use in a case where the shape of the bent tubular workpiece 6 is different from what is shown, when another supporting plate 73 formed in a suitable shape may be attached thereto.
  • Reference numeral 77 indicates a pin for attachment of a lifting chain when it is desired to lift the discharging carrier 10 for relocation.
  • the discharging carrier 10 is located on the floor 7 of the discharging furnace 4, while the filling carrier 12 is located on the floor 11 of the filling furnace 3.
  • the inside of the discharging furnace 4 is heated to approximately 1500°C, which is higher than the melting point of the filling material, so that the filling material in the bent tubular workpieces 6 on the discharging carrier 10 melts and is discharged into the reservoir 5, because the open ends of the bent tubular workpieces 6 face downwardly, as seen in Fig. 11.
  • the inside of the filling furnace 3 is kept at a temperature of about 600°C.
  • the filling material collected in the reservoir 5 is discharged toward the filling carrier 12 situated in the lower filling furnace 3 and is there received in the receptacle 44 of the filling deck 30.
  • the filling material then passes through the through bore 57, the upper end portion of each straight tubular workpiece 1, and the clearance 55 (Fig. 8), to be filled into the space between the outer pipe 53 and the inner pipe 54 of each workpiece 1.
  • one carrier 10 or 12 is adapted to carry many workpieces 1, and two each of the carriers 10 and 12 are put into the filling and discharging furnace 2 at a time, it is possible to greatly improve the working efficiency.
  • the carrier body is not provided with a seal member, then even if hot straight tubular workpieces are placed thereon immediately after welding there is no damage of a seal member being damaged by heat.
  • one filling and discharging furnace 2 has a filling furnace 3 and a discharging furnace 4 arranged in the lower and upper parts thereof, it is possible to carry out the filling of the filling material and the melting and discharging thereof at the same time, thus reducing the working space considerably and improving the working efficiency. Also, since the conventional heat keeping reservoir for discharged filling material is not needed any more, it is not only possible to save the heat of the discharged filling material, but also to make the construction of the equipment simpler and more compact, and to increase the degree of freedom in the equipment layout.
  • the hot air is circulated within the discharging furnace 4 by the hot air circulating apparatus, it is possible to utilize the heat effectively and to accelerate the increase in the temperature during heating. Further, since the interior of the filling furnace 3 is also arranged to be kept warm by utilizing a proportion of the hot air fed to the discharging furnace 4, heat energy is saved.
  • the workpiece can be a multiple pipe of three or more layers, or indeed a single walled pipe.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Claims (15)

  1. Verfahren zum Behandeln eines rohrförmigen Werkstücks durch Biegen desselben, während es ein Füllmaterial enthält, das die Schritte aufweist:
    Einführen des geschmolzenen Füllmaterials aus einem Reservoir (5) in ein zu biegendes rohrförmiges Werkstück (1);
    dann Biegen des Werkstücks, um es in einen gebogenen Zustand (6) zu bringen, und
    dann Erwärmen des Werkstücks zum Schmelzen und Ausgeben des Füllmaterials;
    dadurch gekennzeichnet, daß ein einzelner Füll- und Ausgabeofen (2) vorgesehen wird, der in seinem Unterteil einen Füllofen (4) zum Füllen des Füllmaterials in ein rohrförmiges Werkstück aufweist und in seinem Oberteil einen Ausgabeofen (3) mit dem Reservoir darin, wobei das Füllmaterial geschmolzen und dann aus einem gebogenen Werkstück in dem Ausgabeofen ausgegeben wird, und dann das geschmolzene ausgegebene Füllmaterial in dem Reservoir in dem Ausgabeofen gesammelt wird und dann in ein zu biegendes Werkstück eingeführt wird, das sich in dem Füllofen befindet.
  2. Füll- und Ausgabeofen zur Verwendung bei der Durchführung des Verfahrens nach Anspruch 1, der aufweist:
    einen Ausgabeofen (4) zum Schmelzen und Ausgeben von Füllmaterial mit niedrigem Schmelzpunkt aus einem gebogenen rohrförmigen Werkstück; und
    ein Reservoir (5) in dem Ausgabeofen zum Sammeln des geschmolzenen Füllmaterials;
    gekennzeichnet durch einen Füllofen (3) zum Einführen des Füllmaterials in ein rohrförmiges Werkstück;
    wobei der Ausgabeofen über dem Füllofen angeordnet ist; und ein Heißluftzirkulationsmittel (16), das sowohl mit dem Ausgabeofen als auch dem Füllofen kommuniziert und angeordnet ist, um den Großteil des Heißluftstroms in den Ausgabeofen zu führen und einen verbleibenden Anteil in den Füllofen;
    wobei das Reservoir ein Auslaßventil (9) zum Ablassen des gesammelten Füllmaterials in das in dem Füllofen angeordnete Werkstück aufweist.
  3. Füll- und Ausgabeofen nach Anspruch 2, worin das Heißluftzirkulationsmittel eine mit einem Ventil versehene Auslaßleitung (21) aufweist, um die Heißluft in dem Ausgabeofen nach außen abzulassen, einen ersten Zufuhrdurchgang (24) zum Zuführen des Heißluftstroms in den Ausgabeofen (4) sowie einen zweiten Zufuhrdurchgang (25) zum Zuführen des Heißluftstroms in den Füllofen (3), und worin das Öffnen und Schließen des Ventils (23) der Auslaßleitung mit dem Betrieb von Toren (14, 15) gekoppelt ist, die jeweils in dem Ausgabeofen und dem Füllofen zur Ein- und Ausbewegung der Werkstücke vorgesehen sind.
  4. Füll- und Ausgabeofen nach Anspruch 2 oder 3, worin das Reservoir (5) eine geneigte Bodenfläche (8) aufweist, die zu dem Füllofen (3) nach unten vorsteht.
  5. Füll- und Ausgabeofen nach einem der Ansprüche 2 bis 4, worin ein Füllträger (12) für ein Werkstück (1), das zu bearbeiten ist, während es ein Füllmaterial enthält, in dem Füllofen (3) unter dem Auslaßventil (9) des Reservoirs (5) angeordnet ist.
  6. Füll- und Ausgabeofen nach einem der Ansprüche 2 bis 5, worin eine Vielzahl von Werkstückträgern (10, 12) angeordnet ist, um gleichzeitig sowohl in dem Füllofen (3) als auch dem Ausgabeofen (4) aufgenommen zu werden.
  7. Füll- und Ausgabeofen nach Anspruch 5 oder 6, worin der oder jeder Füllträger (12) aufweist:
    einen Trägerkörper (31);
    eine Füllebene (30), die an dem Oberteil des Trägerkörpers angeordnet ist;
    eine Abdichtebene (32), die an dem Unterteil des Trägerkörpers angeordnet ist; und
    eine Hubebene (38), die zur Auf- und Abbewegung angeordnet ist, während sie ein nicht bearbeitetes rohrförmiges Werkstück (1) trägt;
    wobei die Füllebene eine nach oben offene Aufnahme (44) zum Halten von geschmolzenem Füllmaterial aufweist und mit einer Tülle (52) versehen ist, die sich von einer in dem Boden der Aufnahme ausgebildeten Durchgangsbohrung nach unten erstreckt und deren Innendurchmesser ein wenig größer ist als der Außendurchmesser des Werkstücks, dessen Oberende dazu ausgelegt ist, bei Aufwärtsbewegung mit der Tülle in Eingriff zu treten; und
    wobei die Abdichtebene zur Auf- und Abwärtsbewegung angeordnet ist und ein Dichtelement (60) aufweist, dessen Außendurchmesser ein wenig kleiner ist als der Innendurchmesser des Werkstücks, dessen Unterteil dazu ausgelegt ist, mit dem Dichtelement in Eingriff zu treten, wenn die Abdichtebene nach oben bewegt wird.
  8. Füll- und Ausgabeofen nach Anspruch 7, worin der Trägerkörper (31) dazu ausgelegt ist, eine Mehrzahl von Werkstücken zu tragen, wobei die Füllebene (30) mit einer Mehrzahl der Tüllen (52) versehen ist und die Abdichtebene mit einer Mehrzahl der Dichtelemente (60) versehen ist, wobei die Tüllen und Dichtelemente angeordnet sind, um mit der Mehrzahl von Werkstücken zusammenzuwirken.
  9. Füll- und Ausgabeofen nach Anspruch 8, worin der oder jeder Träger (12) elastische Eingriffsklemmen (34) zum Tragen der Werkstücke (1) aufweist.
  10. Füll- und Ausgabeofen nach einem der Ansprüche 7 bis 9, worin die Hubebene angeordnet ist, um beim Anheben der Abdichtebene (32) angehoben zu werden, um zu ermöglichen, daß das Oberende eines Werkstücks mit der Tülle (52) verbunden wird und die Öffnung an seinem Unterende durch das Dichtelement (60) abgedichtet wird.
  11. Füll- und Ausgabeofen nach einem der Ansprüche 7 bis 10, worin die Tülle (52) und das Dichtelement (60) in Antwort auf eine Änderung der Spezifikation des Werkstücks austauschbar sind.
  12. Füll- und Ausgabeofen nach einem der Ansprüche 7 bis 11, worin die Dichtebene angeordnet ist, um durch eine von dem Trägerkörper (31) getrennte Hubeinrichtung angehoben zu werden.
  13. Füll- und Ausgabeofen nach einem der Ansprüche 7 bis 12, worin die Abdichtebene (32) angeordnet ist, um im angehobenen Zustand durch Stützmittel (40) gegen den Unterteil der Hubebene (38) gehalten zu werden.
  14. Füll- und Ausgabeofen nach einem der Ansprüche 7 bis 13, worin die Füllebene (30) angeordnet ist, um durch Stützmittel (46) relativ zu dem Trägerkörper (31) abnehmbar gehalten zu werden.
  15. Füll- und Ausgabeofen nach einem der Ansprüche 7 bis 14, in dem die Füllebene (30) mit einem abnehmbar angebrachten Führungsstift (51) versehen ist, der dazu ausgelegt ist, mit der Innenseite des Oberendes eines Werkstücks mit einem dazwischen ausgebildeten Zwischenraum in Eingriff zu treten, wobei der Führungsstift zu der Tülle (52) konzentrisch ist.
EP19940305623 1993-07-30 1994-07-29 Verfahren und Vorrichtung zum Füllen und Leeren eines Füllmaterials Expired - Lifetime EP0640416B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP20880493A JP2794150B2 (ja) 1993-07-30 1993-07-30 充填剤の注入排出方法及びその装置
JP208803/93 1993-07-30
JP5208802A JP2558213B2 (ja) 1993-07-30 1993-07-30 充填剤の注入排出炉
JP208804/93 1993-07-30
JP5208803A JP2558214B2 (ja) 1993-07-30 1993-07-30 曲げ加工用充填剤の充填台車

Publications (3)

Publication Number Publication Date
EP0640416A2 EP0640416A2 (de) 1995-03-01
EP0640416A3 EP0640416A3 (de) 1995-05-24
EP0640416B1 true EP0640416B1 (de) 1997-10-01

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EP (1) EP0640416B1 (de)
CN (1) CN1053406C (de)
BR (1) BR9403112A (de)

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CN102641926B (zh) * 2012-04-17 2014-04-23 浙江大学宁波理工学院 低熔点合金填充及回收装置
CN102974670B (zh) * 2012-11-30 2015-01-07 宁波思明汽车科技有限公司 管材成型用易熔合金循环利用、清除管壁粘连方法及装置
CN107290205B (zh) * 2016-04-11 2020-05-15 中国石油化工股份有限公司 用于解析热稀烃的装置
CN109094831A (zh) * 2018-09-05 2018-12-28 中国航发动力股份有限公司 一种细长导管蜡及松香灌制装置
CN110434248B (zh) * 2019-07-12 2021-01-29 芜湖中瑞汽车零部件有限公司 一种管梁拍扁用装夹台
CN112984555B (zh) * 2021-04-14 2021-08-03 中国航发上海商用航空发动机制造有限责任公司 工件的保护方法、加工方法以及工件

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