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DE1297637B - Device for the transport of metallic workpieces in heat furnaces or on cooling beds - Google Patents

Device for the transport of metallic workpieces in heat furnaces or on cooling beds

Info

Publication number
DE1297637B
DE1297637B DE1966K0060442 DEK0060442A DE1297637B DE 1297637 B DE1297637 B DE 1297637B DE 1966K0060442 DE1966K0060442 DE 1966K0060442 DE K0060442 A DEK0060442 A DE K0060442A DE 1297637 B DE1297637 B DE 1297637B
Authority
DE
Germany
Prior art keywords
lifting
metallic workpieces
webs
gap
devices
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.)
Pending
Application number
DE1966K0060442
Other languages
German (de)
Inventor
Wilhelm Krause
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 DE19661269151 external-priority patent/DE1269151B/en
Application filed by Individual filed Critical Individual
Priority to DE19661783094 priority Critical patent/DE1783094C3/en
Priority to DE1966K0060442 priority patent/DE1297637B/en
Priority to FR112172A priority patent/FR1542530A/en
Priority to US651051A priority patent/US3434702A/en
Priority to GB31238/67A priority patent/GB1189866A/en
Publication of DE1297637B publication Critical patent/DE1297637B/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
    • F27D25/001—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag comprising breaking tools, e.g. hammers, drills, scrapers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path
    • F27B9/201—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path walking beam furnace
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path
    • F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path being carried by a conveyor
    • F27B9/243—Endless-strand conveyor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
    • F27B2009/124—Cooling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Tunnel Furnaces (AREA)

Description

Die Hauptpatentanmeldung betrifft eine Einrichtung zum Transportieren von metallischen Werkstücken, die Öfen durchlaufen oder Kühlvorrichtungen passieren, wobei die Werkstücke schrittweise bewegt werden, indem Hubstege die auf Tragekonstruktionen liegenden Werkstücke abheben, einen Teil der Transportstrecke transportieren und dann wieder auf den Tragekonstruktionen aufsetzen, wobei das Anheben und Absenken der Hubstege durch auf schiefen Ebenen laufende Rollen bewirkt wird.The main patent application relates to a device for transporting of metallic workpieces that pass through furnaces or cooling devices, whereby the workpieces are moved step-by-step by lifting bars on support structures Lift off lying workpieces, transport part of the transport route and then put it back on the support structure, lifting and lowering the lifting bars are caused by rollers running on inclined planes.

Gemäß dem Vorschlag der Hauptpatentanmeldung ist vorgesehen, daß in dem Wärmeofen bzw. der Kühlvorrichtung mindestens zwei stationäre Tragekonstruktionen in etwa halber Höhe parallel zueinander und im wesentlichen horizontal verlaufen, die von Wärmeisolationen derart umgeben sind, daß nur der Spalt für den Durchgang der Hubstege frei bleibt, die zu einem endlosen, über zwei Umlenkrollen laufenden Gliederband zusammengeschlossen sind und mit den ihnen zugeordneten beidseitigen Rollen, deren Achsen fest mit den Hubstegen verbunden sind, auf Bahnen laufen, die innerhalb jeder Tragekonstruktion angeordnet sind und die periodisch wiederkehrende und im Rollenabstand befindliche Erhöhungen und Vertiefungen gleicher Abmessung aufweisen.According to the proposal of the main patent application, it is provided that in the heating furnace or the cooling device at least two stationary support structures run parallel to each other at about half the height and essentially horizontally, which are surrounded by thermal insulation in such a way that only the gap for passage the lifting bars remain free, leading to an endless run over two pulleys Link belt are joined together and with their associated bilateral Rollers, the axes of which are firmly connected to the lifting bars, run on tracks that are arranged within each support structure and the periodically recurring and elevations and depressions of the same dimensions located at the roller spacing exhibit.

Die Erfindung stellt nun eine Weiterentwicklung dieser Einrichtung dar und besteht darin, daß zur Beseitigung von in den Spalt eingedrungener und an den Spaltwänden haftender Schlacke die Hubstege beidseitig mit Schabeinrichtungen versehen sind.The invention now represents a further development of this device and consists in that to eliminate penetrated into the gap and on slag adhering to the gap walls, the lifting webs on both sides with scraping devices are provided.

Es wurde nämlich erkannt, daß es nicht immer zweckmäßig ist; die Tragekonstruktion so auszubilden, daß die Hubstege den Spalt bis auf ein., ganz geringes Bewegungsspiel voll ausfüllen, um damit das Eindringen von Schlacke in den Spalt auf ein Minimum zu beschränken. Es zeigte sich, daß bei einer solchen knappen Bemessung der Spaltbreite häufig schon geringe Mengen dennoch eingedrungener Schlacke genügten, die Bewegung der Hubstege empfindlich zu stören. Zweckmäßig ist es vielmehr, ein so großes Bewegungsspiel vorzusehen, daß plötzlich und auch in etwas größeren Mengen in den Spalt hereinströmende Schlacke keine Störungen der Hubstegbewegungen verursachen kann, wobei diese Schlacke dann durch die erfindungsgemäßen Schabeinrichtungen wieder entfernt wird.It has been recognized that it is not always practical; the support structure to be trained so that the lifting webs the gap except for one., very little play fill in completely in order to minimize the ingress of slag into the gap to restrict. It was found that with such a tight dimensioning of the gap width Often even small amounts of slag that had penetrated were enough for the movement to disturb the lifting webs. Rather, it is useful to have such a large game of movement to provide that suddenly and also in somewhat larger quantities flowing into the gap Slag cannot cause disturbances in the movements of the lifting web, whereby this slag is then removed again by the scraping devices according to the invention.

Die Schabeinrichtungen, die an den Hubstegen sowohl fest als auch auswechselbar angeordnet sein können, liegen vorteilhaft in einer oder mehreren zu den Werkstückauflagen der Tragekonstruktionen parallelen Ebenen. Es empfiehlt sich ferner, die Schabeinrichtungen von Hubsteg zu Hubsteg in Transportrichtung versetzt anzuordnen, so daß die Einrichtungen des nachfolgenden Hubsteges neben den Bahnen des vorangegangenen lückenlos neue Bahnen räumen, wobei die Einrichtungen auf den Hubstegen so verteilt sind, daß bei einem Umlauf der Hubstege jedes Flächenstück des Spaltes der Tragekonstruktion mindestens einmal bearbeitet wird. Die Richtung der Schab- oder Schneidkanten kann beliebig sein, beispielsweise parallel zu den Gefällestrecken der Rollbahnen, so daß während der Abwärtsbewegung der Hubstege keine Reinigungsarbeit geleistet wird.The scraping devices, which are fixed to the lifting bars as well can be arranged interchangeably, are advantageously in one or more planes parallel to the workpiece supports of the supporting structures. It recommends furthermore, the scraping devices from lifting bridge to lifting bridge in the transport direction to be staggered so that the facilities of the following lifting bridge next to the lanes of the previous one completely clear new lanes, with the facilities are distributed on the lifting webs so that each surface piece during one revolution of the lifting webs the gap in the supporting structure is processed at least once. The direction the scraping or cutting edges can be arbitrary, for example parallel to the Slopes of the taxiways, so that during the downward movement of the lifting webs no cleaning work is done.

Die von den Schabeinrichtungen losgelösten Schlackenteile fallen auf Schmutzfangbleche, die, gemäß dem Vorschlag der Hauptpatentanmeldung, zu beiden Seiten jedes Hubsteges, und zwar rechtwinklig zu diesen und oberhalb der Rollen angeordnet sind. Mit diesen Schmutzfangblechen, deren Enden sich überlappen oder direkt aneinandergrenzen, wird die Schlacke aus den Tragekonstruktionen ausgetragen. In weiterer Ausbildung des Gegenstandes der Hauptpatentanmeldung wird hier vorgeschlagen, daß parallel zu den Hubstegen an den hubstegabgewandten Kanten der Schmutzfangbleche Tauchleisten angeordnet sind, die in Sand- oder Wassertassen laufen.The slag parts detached from the scraping devices are noticeable Dirt baffles, which, according to the proposal of the main patent application, to both Sides of each lift bar, at right angles to them and above the rollers are arranged. With these dirt traps, the ends of which overlap or directly adjacent to each other, the slag is discharged from the supporting structures. In a further development of the subject matter of the main patent application, it is proposed here that that parallel to the lifting webs on the edges of the dirt trapping plates facing away from the lifting web Dip bars are arranged that run in sand or water cups.

Im folgenden wird die Erfindung an Hand eines in den Zeichnungen dargestellten Ausführungsbeispiels näher beschrieben. Es zeigt F i g.1 einen Längsschnitt durch einen Ofenanfang oder ein Ofenende, F i g. 2 einen Querschnitt nach der Linie II-II der F i g. 3 und F i g. 3 einen teilweisen Längsschnitt nach der Linie III-III der F i g. 2.In the following the invention is illustrated by means of one in the drawings Embodiment described in more detail. It shows F i g.1 a longitudinal section through an oven start or an oven end, FIG. 2 shows a cross section along the line II-II the F i g. 3 and F i g. 3 shows a partial longitudinal section along the line III-III of F i g. 2.

Innerhalb des Ofens 1 sind mehrere, beispielsweise drei Tragekonstruktionen 2 angeordnet. Jede Tragekonstruktion ist von- einer Wärmeisolation 3 umgeben und wird von einem Kühlsystem 4 gekühlt. In der Mitte im oberen Teil jeder Tragekonstruktion und in der darüberliegenden Wärmeisolation ist ein Spalt 5 vorgesehen, in dem Hubstege 12 mit ausreichendem Bewegungsspiel laufen. Beiderseits des Spaltes befinden sich Werkstückauflagen 6, auf denen die Werkstücke 7 zwischen den - Fortbewegungsphasen liegen. Innerhalb der Tragekonstruktion sind Rollbahnen 8 mit Erhöhungen 9 und Vertiefungen 10, die Hubstege 12 tragende Transportrollen 11, hubstegverbindende Laschen 13 und Schmutzfangbleche 14 vorgesehen. Die zu einem Gliederband zusammengeschlossenen Hubstege werden über Kettenräder 15 . umgelenkt und unterhalb des Ofens zurückgeführt.Several, for example three, support structures 2 are arranged within the furnace 1. Each support structure is surrounded by thermal insulation 3 and is cooled by a cooling system 4. In the middle in the upper part of each support structure and in the thermal insulation above, a gap 5 is provided, in which lifting webs 12 run with sufficient freedom of movement. On both sides of the gap there are workpiece supports 6 on which the workpieces 7 lie between the phases of movement. Within the support structure there are roller tracks 8 with elevations 9 and depressions 10, transport rollers 11 carrying the lifting webs 12 , tabs 13 connecting the lifting webs and dirt trapping plates 14. The lifting webs, which are combined to form a link belt, are moved via chain wheels 15. deflected and returned below the furnace.

Die zu Ketten zusammengefügten Hubstege werden jeweils von einem Schubbalken 39 bewegt. Ein solcher Schubbalken besteht aus einem Balken 40 und Balkenstegen 41. In den Balkenstegen sind Aussparungen 42, in die sich die Rollenachsen der Hubstege schieben lassen. Das Heben und Senken des Schubbalkens erfolgt durch Hubaggregate 43, die mit einer Rolle 44 versehen sind, auf der die Schubbalkenunterkante abrollt, so daß die Hubaggregate die Schubbalken heben und senken können, unabhängig von Horizontalbewegungen des Schubbalkens. Zum Antrieb der Transporteinrichtung ist ein in Schubbalkenrichtung arbeitender Hydraulikzylinder 45 vorgesehen, der seine Kraft einem Laufrollenwagen 46 überträgt. Letzterer läuft in einer senkrecht zum Schubbalken angeordneten Laufrollenbahn 47.The lifting bars, which are joined together to form chains, are each moved by a push bar 39. Such a push bar consists of a bar 40 and bar webs 41. In the bar webs there are recesses 42 into which the roller axles of the lifting webs can be pushed. The lifting and lowering of the push bar is carried out by lifting units 43 which are provided with a roller 44 on which the lower edge of the push bar rolls so that the lifting units can raise and lower the push bar, regardless of horizontal movements of the push bar. To drive the transport device, a hydraulic cylinder 45 operating in the direction of the push bar is provided, which transmits its power to a roller carriage 46. The latter runs in a roller conveyor 47 arranged perpendicular to the push beam.

Beiderseits der Hubstege befinden sich Schabeinrichtungen 48, die den Spalt säubern. Sie sind von Hubsteg zu Hubsteg derart versetzt, daß die Abstände voneinander kleiner oder größer einem Hubstegabstand sind.Scraper devices 48 are located on both sides of the lifting webs clean the gap. They are offset from lifting bridge to lifting bridge in such a way that the distances are smaller or larger than a lifting web spacing from one another.

Innerhalb der Tragekonstruktion 2 sind ferner Sand- oder Wassertassen 49 vorgesehen, in denen parallel zu den Hubstegen angeordnete und an den Schmutzfangblechen 14 befestigte Tauchleisten 50 laufen. Diese Tauchleisten werden durch entsprechende Führungen 51 der Rollenbahn am Tragekonstruktionseingang in die Tassen gesenkt, am Ausgang herausgehoben.Within the support structure 2 there are also sand or water cups 49 provided, in which arranged parallel to the lifting webs and on the dirt trapping plates 14 attached dip bars 50 are running. These dip bars are through appropriate Guides 51 of the roller conveyor at the support structure entrance lowered into the cups, lifted out at the exit.

Claims (4)

Patentansprüche: 1. Einrichtung zum Transportieren von metallischen Werkstücken, die schrittweise Öfen durchlaufen oder Kühlvorrichtungen passieren, wozu in dem Wärmofen bzw. der Kühlvorrichtung mindestens zwei stationäre Tragekonstruktionen in etwa halber Höhe parallel zueinander und im wesentlichen horizontal verlaufen, die von Wärmeisolationen derart umgeben sind, daß nur ein Spalt für den Durchgang von Hubstegen frei bleibt, die zu einem endlosen, über zwei Umlenkrollen laufenden Gliederband zusammengeschlossen sind und mit den ihnen zugeordneten beidseitigen Rollen auf Bahnen laufen, die innerhalb jeder Tragekonstruktion angeordnet sind und die periodisch wiederkehrende und im Rollenabstand befindliche Erhöhungen und Vertiefungen gleicher Abmessung aufweisen nach Patentanmeldung P 12 69 151.9-24 (deutsche Auslegeschrift 1269 151), dadurch g e k e n n -z e i c h n e t, daß zur Beseitigung von in den Spalt eingedrungener und an den Spaltwänden haftender Schlacke die Hubstege (12) beidseitig mit Schabeinrichtungen (48) versehen sind. Claims: 1. Device for transporting metallic workpieces which gradually pass through ovens or pass cooling devices, for which at least two stationary support structures in the heating furnace or the cooling device run parallel to each other at approximately half the height and are essentially horizontal, which are surrounded by thermal insulation in such a way, that only a gap remains free for the passage of lifting webs, which are joined together to form an endless link belt running over two deflection rollers and run with their assigned rollers on both sides on tracks that are arranged within each support structure and the periodically recurring elevations located at the roller spacing and have recesses of the same dimensions according to patent application P 12 69 151.9-24 (German Auslegeschrift 1269 151), characterized in that the lifting webs (12) on both sides to remove slag that has penetrated the gap and adheres to the gap walls Scraper devices (48) are provided. 2. Einrichtung zum Transportieren von metallischen Werkstücken nach Anspruch 1, dadurch gekennzeichnet, daß die Schabeinrichtungen (48) in einer oder mehreren zu den Werkstückauflagen (6) der Tragekonstruktionen (2) parallelen Ebenen angeordnet sind. 2. Device for transporting metallic workpieces according to Claim 1, characterized characterized in that the scraping devices (48) in one or more of the workpiece supports (6) the support structures (2) are arranged in parallel planes. 3. Einrichtung zum Transportieren von metallischen Werkstücken nach Anspruch 1, dadurch gekennzeichnet, daß die Schabeinrichtungen (48) von Hubsteg zu Hubsteg in Transportrichtung versetzt angeordnet sind. 3. Establishment for transporting metallic workpieces according to claim 1, characterized in that that the scraping devices (48) are offset from lifting bridge to lifting bridge in the transport direction are arranged. 4. Einrichtung zum Transportieren von metallischen Werkstücken nach Anspruch 1, dadurch gekennzeichnet, daß parallel zu den Hubstegen (12) an den hubstegabgewandten Kanten von Schmutzfangblechen (14) Tauchleisten (50) angeordnet sind, die in Sand- oder Wassertassen (49) laufen.4. Device for transporting metallic workpieces according to claim 1, characterized in that parallel to the lifting webs (12) on the Lifting web facing away from edges of dirt trapping plates (14) dip strips (50) arranged running in sand or water cups (49).
DE1966K0060442 1966-07-06 1966-10-12 Device for the transport of metallic workpieces in heat furnaces or on cooling beds Pending DE1297637B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE19661783094 DE1783094C3 (en) 1966-10-12 1966-10-12 Device for transporting metallic workpieces in heating furnaces. Eliminated from: 1297637
DE1966K0060442 DE1297637B (en) 1966-07-06 1966-10-12 Device for the transport of metallic workpieces in heat furnaces or on cooling beds
FR112172A FR1542530A (en) 1966-07-06 1967-06-28 Installation for the transport of metal workpieces in heating furnaces
US651051A US3434702A (en) 1966-07-06 1967-07-03 Conveyor furnace
GB31238/67A GB1189866A (en) 1966-07-06 1967-07-06 Apparatus for Conveying Metallic Workpieces in Furnaces

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19661269151 DE1269151B (en) 1966-07-06 1966-07-06 Device for the transport of metallic workpieces in heat furnaces or on cooling beds
DE1966K0060442 DE1297637B (en) 1966-07-06 1966-10-12 Device for the transport of metallic workpieces in heat furnaces or on cooling beds

Publications (1)

Publication Number Publication Date
DE1297637B true DE1297637B (en) 1969-06-19

Family

ID=7229612

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1966K0060442 Pending DE1297637B (en) 1966-07-06 1966-10-12 Device for the transport of metallic workpieces in heat furnaces or on cooling beds

Country Status (1)

Country Link
DE (1) DE1297637B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2259300A1 (en) * 1972-12-04 1974-06-06 Degussa CONVEYOR DEVICE FOR HEAT TREATMENT OVEN

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1101469B (en) * 1955-09-28 1961-03-09 Steeler Maschinenfabrik Franz Walking beam conveyor device for walking beam ovens
DE1195784B (en) * 1959-03-21 1965-07-01 Ofu Ofenbau Union Ges Mit Besc Synchronizing device to force the moving parts of several pressurized cylinders to travel the same length
DE1200851B (en) * 1961-07-21 1965-09-16 Brockmann & Bundt Ind Ofenbau Conveyor system for pacemaker ovens

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1101469B (en) * 1955-09-28 1961-03-09 Steeler Maschinenfabrik Franz Walking beam conveyor device for walking beam ovens
DE1195784B (en) * 1959-03-21 1965-07-01 Ofu Ofenbau Union Ges Mit Besc Synchronizing device to force the moving parts of several pressurized cylinders to travel the same length
DE1200851B (en) * 1961-07-21 1965-09-16 Brockmann & Bundt Ind Ofenbau Conveyor system for pacemaker ovens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2259300A1 (en) * 1972-12-04 1974-06-06 Degussa CONVEYOR DEVICE FOR HEAT TREATMENT OVEN

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977