EP0280596A1 - Dispositif à butoir pour four à chargement latéral - Google Patents
Dispositif à butoir pour four à chargement latéral Download PDFInfo
- Publication number
- EP0280596A1 EP0280596A1 EP88400196A EP88400196A EP0280596A1 EP 0280596 A1 EP0280596 A1 EP 0280596A1 EP 88400196 A EP88400196 A EP 88400196A EP 88400196 A EP88400196 A EP 88400196A EP 0280596 A1 EP0280596 A1 EP 0280596A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- counterweight
- stopper
- parallelogram
- oven
- opening
- 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
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000005484 gravity Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
-
- 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
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/0024—Charging; Discharging; Manipulation of charge of metallic workpieces
-
- 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
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/04—Ram or pusher apparatus
-
- 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
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/38—Arrangements of devices for charging
- F27B2009/386—Lateral intake or outtake
-
- 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
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D2099/0085—Accessories
- F27D2099/009—Bumpers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18888—Reciprocating to or from oscillating
- Y10T74/1892—Lever and slide
- Y10T74/18944—Link connections
Definitions
- Ovens are known that can be loaded at will by one or the other of their lateral sides.
- the oven has a stopper which is placed in the opening of the door when it is not used in order to block the products which are put in the oven by the other door and put in place on a train of rollers.
- the present invention relates to a stop device for a side-loading oven with which the stop can easily be retracted when the side of the load is changed.
- This device in which the stopper is suspended from a fixed structure by means of an articulated parallelogram, is characterized in that it comprises, to ensure the deformation of the parallelogram and, consequently, the displacement of the stopper, a mobile counterweight along an axis integral with one of the parts constituting the parallelogram and means for moving this counterweight.
- the counterweight is mounted on one of the wings of an L-shaped part, the other wing of which constitutes one of the elements of the articulated parallelogram.
- the stopper 5 is supported by a structure constituted by three columns 6 a , 6 b and 6 c .
- the stopper 5 is carried by an arm 7 articulated at 8 on the lower end of a connecting rod 9 whose upper end is articulated at 10 on the baluster 6 c .
- the end of the arm 7 is articulated at 11 on a part 12 in L which is articulated on the baluster 6 a at a point 13 situated at the same height as the axis 10.
- the axes 8, 10, 11 and 13 are the vertices of a parallelogram; the arm 7 is thereby kept horizontal.
- the axis 13 is substantially at the top of the part 12 in L while the axis 11 is provided in the vicinity of the end of one of its wings.
- a counterweight 14 is movably mounted on an axis 15 along the other wing of the part 12.
- the stopper 5 is disposed in the opening 2 opposite the parts 4 and the axes 8 and 11 are respectively vertical to the axes 10 and 13; the stopper thus prevents the parts from leaving the oven. It will be noted that, in this position, the center of gravity of the counterweight 14 is substantially vertical to the pivot 13 so that the position of the arm 7, of the connecting rod 9 and of the part 12 is a position of stable equilibrium and , that therefore, the arm 7 with the stopper 5 remains in the position shown.
- the counterweight 14 is moved to bring it to the end of the second wing of the part 12.
- the counterweight thus exerts on the part a torque which tends to make it rotate clockwise.
- This movement has the effect of removing the stopper 5 from the opening 2 and lifting the arm 7 with the stopper ( Figure 2), which clears the passage for the charging of the parts 4.
- the arm 7 occupies a position for which the torque exerted by the mobile assembly balances that generated by the counterweight 14.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Manipulator (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Vending Machines For Individual Products (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Electric Stoves And Ranges (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
- Specific Conveyance Elements (AREA)
- Transmission Devices (AREA)
Abstract
Description
- On connaît des fours pouvant être chargés à volonté par l'un ou l'autre de leurs côtés latéraux. A chacune de ses portes latérales le four comporte un butoir qui est mis en place dans l'ouverture de la porte lorsqu'elle celle-ci n'est pas utilisée afin de bloquer les produits qui sont enfournés par l'autre porte et mis en place sur un train de rouleaux.
- La présente invention a pour objet un dispositif à butoir pour four à chargement latéral avec lequel le butoir peut facilement être escamoté lorsque le côté du chargement est changé.
- Ce dispositif dans lequel le butoir est suspendu à une structure fixe par l'intermédiaire d'un parallélogramme articulé, est caractérisé en ce qu'il comporte, pour assurer la déformation du parallélogramme et, par suite, le déplacement du butoir, un contrepoids mobile le long d'un axe solidaire de l'une des pièces constituant le parallélogramme et des moyens pour déplacer ce contrepoids.
- Dans un mode de réalisation particulier de l'invention, le contrepoids est monté sur l'une des ailes d'une pièce en L dont l'autre aile constitue l'un des éléments du parallélogramme articulé.
- On a décrit ci-après, à titre d'exemple non limitatif, un mode de réalisation du dispositif selon l'invention, avec référence au dessin annexé dans lequel :
- La Figure 1 est une vue latérale du dispositif, le butoir étant en position active;
- La Figure 2 en est une vue semblable à la Figure 1, le butoir étant en position escamotée.
- Au dessin, on voit en 1 la paroi latérale d'un four qui comporte une ouverture 2 placée devant une ligne de rouleaux 3. L'ouverture 2 peut servir à volonté à l'enfournement de produits 4 qui sont mis en place sur les rouleaux 3, soit au défournement de produits qui sont enfournés par une ouverture prévue dans la paroi latérale opposée; un butoir éclipsable 5 est prévu pour empêcher dans le second cas les produits 4 enfournés de sortir du four.
- Le butoir 5 est supporté par une structure constituée par trois colonnettes 6a, 6b et 6c. Le butoir 5 est porté par un bras 7 articulé en 8 sur l'extrémité inférieure d'une bielle 9 dont l'extrémité supérieure est articulée en 10 sur la colonnette 6c. L'extrémité du bras 7 est articulée en 11 sur une pièce 12 en L qui est articulée sur la colonnette 6a en un point 13 situé à la même hauteur que l'axe 10. Les axes 8, 10, 11 et 13 sont les sommets d'un parallélogramme; le bras 7 est de ce fait maintenu horizontal.
- L'axe 13 est sensiblement au sommet de la pièce 12 en L alors que l'axe 11 est prévu au voisinage de l'extrémité de l'une de ses ailes. Un contrepoids 14 est monté mobile sur un axe 15 le long de l'autre aile de la pièce 12. Un vérin ou bien une vis sans fin entraîné par un moteur électrique ou hydraulique, qui n'est pas représenté au dessin, permet de déplacer le contrepoids 14 le long de l'axe 15.
- A la Figure 1 le butoir 5 est disposé dans l'ouverture 2 en regard des pièces 4 et les axes 8 et 11 se trouvent respectivement à la verticale des axes 10 et 13; le butoir empêche ainsi les pièces de sortir du four. On remarquera que, dans cette position, le centre de gravité du contrepoids 14 se trouve sensiblement à la verticale du pivot 13 de sorte que la position du bras 7, de la bielle 9 et de la pièce 12 est une position d'équilibre stable et, que de ce fait, le bras 7 avec le butoir 5 reste dans la position représentée.
- Si l'ouverture 2 doit servir d'ouverture d'enfournement, on déplace le contrepoids 14 pour l'amener à l'extrémité de la seconde aile de la pièce 12. Le contrepoids exerce ainsi sur la pièce un couple qui tend à la faire pivoter dans le sens des aiguilles d'une montre. Ce mouvement a pour effet de sortir le butoir 5 de l'ouverture 2 et de lever le bras 7 avec le butoir (Figure 2), ce qui dégage le passage pour l'enfournement des pièces 4. Lorsque le contrepoids 14 est à fin de course, le bras 7 occupe une position pour laquelle le couple exercé par l'ensemble mobile équilibre celui engendré par le contrepoids 14.
- Lorsque le contrepoids 14 est ramené dans sa position initiale, le couple exercé par l'ensemble mobile tend à ramener celui-ci dans sa position de la Figure 1, le butoir 5 étant de nouveau dans sa position active.
Claims (4)
caractérisé en ce qu'il comporte, pour assurer la déformation du parallélogramme et, par suite, le déplacement du butoir (5), un contrepoids (14) mobile le long d'un axe (15) solidaire de l'une des pièces constituant le parallélogramme et des moyens pour déplacer ce contrepoids (14).
caractérisé en ce que le contrepoids (14) est monté sur l'une des ailes d'une pièce (12) en L dont l'autre aile constitue l'un des éléments du parallélogramme articulé.
caractérisé en ce que les moyens pour déplacer le contrepoids (14) sont constitués par un vérin.
caractérisé en ce que les moyens pour déplacer le contrepoids (14) sont constitués par une vis sans fin entraînée par un moteur électrique ou hydraulique.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88400196T ATE60431T1 (de) | 1987-02-10 | 1988-01-28 | Rammvorrichtung fuer einen horizontal zu beschickenden ofen. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8701963A FR2610711B3 (fr) | 1987-02-10 | 1987-02-10 | Dispositif a butoir pour four a chargement lateral |
FR8701963 | 1987-02-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0280596A1 true EP0280596A1 (fr) | 1988-08-31 |
EP0280596B1 EP0280596B1 (fr) | 1991-01-23 |
Family
ID=9347972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88400196A Expired - Lifetime EP0280596B1 (fr) | 1987-02-10 | 1988-01-28 | Dispositif à butoir pour four à chargement latéral |
Country Status (6)
Country | Link |
---|---|
US (1) | US4832154A (fr) |
EP (1) | EP0280596B1 (fr) |
AT (1) | ATE60431T1 (fr) |
CA (1) | CA1320045C (fr) |
DE (1) | DE3861596D1 (fr) |
FR (1) | FR2610711B3 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5362230A (en) * | 1993-03-24 | 1994-11-08 | Italimpianti Of America, Inc. | Rolls for high temperature roller hearth furnaces |
US5370530A (en) * | 1993-03-24 | 1994-12-06 | Italimpianti Of America, Inc. | Rolls for high temperature roller hearth furnaces |
US5586855A (en) * | 1993-11-23 | 1996-12-24 | Eshleman; Roger D. | Apparatus and method for infeeding batched materials |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB264114A (en) * | 1925-10-01 | 1927-01-03 | Wiggin & Co Ltd Henry | Improvements relating to annealing and other furnaces, muffles and the like |
DE665827C (de) * | 1935-10-13 | 1938-10-04 | Schuechtermann & Kremer Baum A | Blockdruecker |
FR1589158A (fr) * | 1968-09-13 | 1970-03-23 | ||
FR2222909A5 (en) * | 1973-12-21 | 1974-10-18 | Nippon Steel Corp | Vertical heating furnace charging appts. - guides and centres material in the furnace |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US63444A (en) * | 1867-04-02 | Chakles h | ||
US1562582A (en) * | 1923-04-02 | 1925-11-24 | Stebler Parker Co | Automatic loading device for elevators |
GB1030349A (en) * | 1962-12-17 | 1966-05-18 | Rud A Hartmann Gross App Und S | Apparatus for continuously sterilising various products in large institutions, particularly hospitals |
DE2204936B2 (de) * | 1972-02-03 | 1977-11-03 | Fa. Wilhelm Zur Nieden, 4300 Essen | Anschlag fuer knueppelfoerderanlagen o.dgl. |
GB1522202A (en) * | 1975-07-31 | 1978-08-23 | Vacuumatic Ltd | Conveyor apparatus |
-
1987
- 1987-02-10 FR FR8701963A patent/FR2610711B3/fr not_active Expired - Lifetime
-
1988
- 1988-01-28 DE DE8888400196T patent/DE3861596D1/de not_active Expired - Lifetime
- 1988-01-28 EP EP88400196A patent/EP0280596B1/fr not_active Expired - Lifetime
- 1988-01-28 AT AT88400196T patent/ATE60431T1/de not_active IP Right Cessation
- 1988-02-03 US US07/151,897 patent/US4832154A/en not_active Expired - Fee Related
- 1988-02-04 CA CA000558155A patent/CA1320045C/fr not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB264114A (en) * | 1925-10-01 | 1927-01-03 | Wiggin & Co Ltd Henry | Improvements relating to annealing and other furnaces, muffles and the like |
DE665827C (de) * | 1935-10-13 | 1938-10-04 | Schuechtermann & Kremer Baum A | Blockdruecker |
FR1589158A (fr) * | 1968-09-13 | 1970-03-23 | ||
FR2222909A5 (en) * | 1973-12-21 | 1974-10-18 | Nippon Steel Corp | Vertical heating furnace charging appts. - guides and centres material in the furnace |
Also Published As
Publication number | Publication date |
---|---|
FR2610711A1 (fr) | 1988-08-12 |
ATE60431T1 (de) | 1991-02-15 |
CA1320045C (fr) | 1993-07-13 |
FR2610711B3 (fr) | 1991-01-11 |
EP0280596B1 (fr) | 1991-01-23 |
US4832154A (en) | 1989-05-23 |
DE3861596D1 (de) | 1991-02-28 |
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