US3243059A - Slab heating furances and extractors - Google Patents
Slab heating furances and extractors Download PDFInfo
- Publication number
- US3243059A US3243059A US197455A US19745562A US3243059A US 3243059 A US3243059 A US 3243059A US 197455 A US197455 A US 197455A US 19745562 A US19745562 A US 19745562A US 3243059 A US3243059 A US 3243059A
- Authority
- US
- United States
- Prior art keywords
- furnace
- slab
- hearth
- arms
- rolls
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/004—Transverse moving
-
- 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 tunnel furnace
- F27B9/22—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 tunnel furnace on rails, e.g. under the action of scrapers or pushers
- F27B9/225—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 tunnel furnace on rails, e.g. under the action of scrapers or pushers the charge being subjected to an additional manipulation along the path
-
- 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
-
- 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
- F27B2009/384—Discharging
-
- 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
- F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
- F27D2003/0042—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities comprising roller trains
-
- 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
- F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
- F27D2003/0046—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities comprising one or more movable arms, e.g. forks
-
- 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
- F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
- F27D2003/0051—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities comprising means to pick up the charge and put it down
Definitions
- This invention relates to slab heating furnaces and extractors and particularly to a furnace and delivery slab extractor for handling slabs of steel and the like from a slab heating furnace to a slab transfer table.
- the furnace is provided with a movable door adjacent the delivery end of the hearth opening to pass the arm and slab.
- Cam surface means are preferably provided on the arm cooperating with a cam follower means adjacent the table rolls for guiding the arms from one extreme position to the other.
- FIGURE 1 is a side elevation partly in section of a preferred embodiment of a slab furnace and delivery slab extractor according to my invention
- FIGURE 2 is a top plan view of the slab extractor of FIGURE 1 with the furnace in section;
- FIGURE 3 is a side elevation, partly in section of a second embodiment of my invention.
- FIGURE 4 is a top lan view partly in section of the embodiment of FIGURE 3.
- a delivery well 12 is provided at the delivery end 13 of the hearth 10 and below the level thereof.
- An access opening 14 having a bottom portion with slotted openings 15 and a closure door 16 .is provided into the delivery well 12 below the level of the hearth and on the opposite side of the well 12 therefrom.
- Table rolls 17 of conventional form extend along the delivery end of the furnace adjacent access opening 14.
- Slab extractor arms 18 are provided for movement between pairs of rolls l7 and through access slots 15. These arms are provided at one end with a slab receiving surface 19 and at the other end with rack means 20. Intermediate the slab receiving surface 19 and the rack means 20 ice Patented Mar.
- cam surface 21 adapted to roll over a cam roller 22 which supports the arms 18 and guides them from one extreme position to the other.
- the rack means 20 engages pinion means 23 driven by a motor 24 through a gear reducer 25, drive shaft 26 and drive gears 27.
- a pair of holding rol-ls 28 bear upon the rack opposite the pinion to guide and hold the rack in its traverse.
- a slab 29a is pushed onto the slab receiving surface 19 by a next succeeding slab 29b on hearth skids 11.
- the motor 24 is energized to drive pinion 23 which carries the rack means 20 to the left viewing FIGURE 1 thereby drawing the cam surface 21 of arm 18 over the cam roller 22 to the successive positions shown in chain line until the heated slab is deposited on the table rolls.
- the furnace end wall 106 extending to a pointbelow the level of the skids 11 provides, along with the access door 16, a means for maintaining heat on the slab edges so as to prevent cold spots on the slabs.
- FIG- URES 3 and 4 I have illustrated a second embodiment of my invention.
- a hearth 50 is provide-d with furnace skids 51 in usual fashion.
- An access opening 52 is provided in the end of the furnace with an access door or cover 53.
- table rollers 54 Adjacent to the access opening 52 are provided table rollers 54.
- Slab extractor arms 55 are movable between pairs of rolls 54 and the access opening 52. These arms 55 are provided at one end with a slab receiving surface 56 and at the opposite end with rack means 57.
- a cam surface 58 which rides on cam rollers 59' adjacent the table rolls which guides the slab receiving surface from one extreme position adapted to receive a heated slab within the furnace to the other extreme position (in chain line on FIGURE 3) in which the slab is deposited on the table rolls 54.
- the rack means 57 engages pinion means 60 driven by a motor 61 through a gear reducer 62 and a drive shaft 63.
- a slab heating line having a furnace, a hearth in said furnace, an entry end and a delivery end on said hearth, means successively urging slabs across said hearth to be heated from the entry to the delivery end, table rolls adjacent said furnace at the delivery end, the improvement comprising an access opening in the furnace adjacent the table rolls and below the furnace hearth, movable arm means adapted to move in a vertical plane parallel to the axes of the rolls, a slab receiving surface on said a-rm means movable with the arms from a first position within the furnace forming an extension of the hearth to a second and lower position beneath the table rolls, a cam surface on said arms and a cooperating guide means adjacent the furnace for guiding said arms from one position to the other while raising and lowering the arms to position the slab receiving surface to pass through the access opening and drive means acting on said arms to move them longitudinally on the guide means.
- a slab heating line as claimed in claim 1 wherein the furnace has an end wall extending vertically from a position at least as low as the hearth and the guide means is a roller and the cam surface is arranged to move the slab receiving surface of the extractor arms from a position within the furnace forming an extension of the hearth generally vertically downwardly until a slab thereon is beneath the end wall of the furnace, then generally horizontally out of the furnace to a position in which the slab is over the table rolls and finally generally vertically 3 downwardly below the top surface of said table rolls whereby the slab is deposited on said rolls.
- a slab heating line having a furnace, a hearth in said furnace, an entry end and a delivery end on said hearth, means successively urging slabs across said hearth to be heated from the entry to the delivery end, an end wall on said furnace adjacent the delivery end of the hearth, table rolls adjacent said furnace at the delivery end, the improvement comprising an access opening in the furnace end wall adjacent the table rolls and below the furnace hearth, movable elongated arm means adapted to move in a vertical plane generally parallel to the axes of the rolls, a slab receiving surface on said arm means movable with the arms from a first position within the furnace forming an extension of the hearth to a second and lower position beneath the table rolls, a cam surface on said arms and a cooperating guide means adjacent the furnace for guiding said arms from one position to the other while raising and lowering the arms to position the slab receiving surface to pass through the access opening, rack means on the arms, pinion means engaging said rack means and drive means acting on said pinio-ns to move the arms longitudinally on
- a slab heating line as claimed in claim 1 wherein the furnace hearth is at a higher level than the rolls and the guide means is a roller and the cam surface is arranged to move the slab receiving surface of the extractor arms from a position within the furnace forming an extension of the hearth generally vertically downwardly until the bottom of a slab thereon is in a plane just above the top of the table rolls, then generally horizontally to a position in which the slab is over the table rolls and finally generally vertically downwardly below the top surface of said table rolls whereby the slab is deposited on said rolls.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US197455A US3243059A (en) | 1962-05-24 | 1962-05-24 | Slab heating furances and extractors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US197455A US3243059A (en) | 1962-05-24 | 1962-05-24 | Slab heating furances and extractors |
Publications (1)
Publication Number | Publication Date |
---|---|
US3243059A true US3243059A (en) | 1966-03-29 |
Family
ID=22729494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US197455A Expired - Lifetime US3243059A (en) | 1962-05-24 | 1962-05-24 | Slab heating furances and extractors |
Country Status (1)
Country | Link |
---|---|
US (1) | US3243059A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3305109A (en) * | 1962-09-19 | 1967-02-21 | Amsler Morton Company | Furnace discharging apparatus |
US3375941A (en) * | 1966-02-18 | 1968-04-02 | Theodore Repper Jr. | Article transfer mechanism |
US3415392A (en) * | 1965-03-31 | 1968-12-10 | United Eng Foundry Co | Workpiece positioning device |
US3456819A (en) * | 1966-06-01 | 1969-07-22 | United Eng Foundry Co | Slab handling apparatus |
US3563434A (en) * | 1969-02-27 | 1971-02-16 | Texas Instruments Inc | Apparatus for loading and unloading furnace |
US3738508A (en) * | 1971-04-14 | 1973-06-12 | Sybron Corp | Automatic loading and unloading apparatus for washers, sterilizers and like vessels |
US4289944A (en) * | 1977-12-19 | 1981-09-15 | Reese Thurston F | Apparatus for reheating, storing and conveying cast bars |
US4334607A (en) * | 1980-09-22 | 1982-06-15 | Pentak Corporation | Load-entry assembly for conveyor systems |
US4944383A (en) * | 1989-01-03 | 1990-07-31 | Prmg, Inc. | Furnace charger apparatus |
US5820364A (en) * | 1996-07-31 | 1998-10-13 | Republic Engineered Systems | Reheat furnace apparatus and method of use |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US646475A (en) * | 1899-08-29 | 1900-04-03 | Jared Swanger | Charging and drawing apparatus for heating-furnaces. |
US997494A (en) * | 1908-10-24 | 1911-07-11 | Morgan Construction Co | Delivery mechanism of a billet-heating furnace. |
US1848898A (en) * | 1932-03-08 | James l | ||
US1875532A (en) * | 1932-09-06 | washburne | ||
US2024949A (en) * | 1933-02-13 | 1935-12-17 | American Sheet & Tin Plate | Automatic discharging mechanism |
US2061358A (en) * | 1932-10-07 | 1936-11-17 | American Sheet & Tin Plate | Automatic discharging machine |
-
1962
- 1962-05-24 US US197455A patent/US3243059A/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1848898A (en) * | 1932-03-08 | James l | ||
US1875532A (en) * | 1932-09-06 | washburne | ||
US646475A (en) * | 1899-08-29 | 1900-04-03 | Jared Swanger | Charging and drawing apparatus for heating-furnaces. |
US997494A (en) * | 1908-10-24 | 1911-07-11 | Morgan Construction Co | Delivery mechanism of a billet-heating furnace. |
US2061358A (en) * | 1932-10-07 | 1936-11-17 | American Sheet & Tin Plate | Automatic discharging machine |
US2024949A (en) * | 1933-02-13 | 1935-12-17 | American Sheet & Tin Plate | Automatic discharging mechanism |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3305109A (en) * | 1962-09-19 | 1967-02-21 | Amsler Morton Company | Furnace discharging apparatus |
US3415392A (en) * | 1965-03-31 | 1968-12-10 | United Eng Foundry Co | Workpiece positioning device |
US3375941A (en) * | 1966-02-18 | 1968-04-02 | Theodore Repper Jr. | Article transfer mechanism |
US3456819A (en) * | 1966-06-01 | 1969-07-22 | United Eng Foundry Co | Slab handling apparatus |
US3563434A (en) * | 1969-02-27 | 1971-02-16 | Texas Instruments Inc | Apparatus for loading and unloading furnace |
US3738508A (en) * | 1971-04-14 | 1973-06-12 | Sybron Corp | Automatic loading and unloading apparatus for washers, sterilizers and like vessels |
US4289944A (en) * | 1977-12-19 | 1981-09-15 | Reese Thurston F | Apparatus for reheating, storing and conveying cast bars |
US4334607A (en) * | 1980-09-22 | 1982-06-15 | Pentak Corporation | Load-entry assembly for conveyor systems |
US4944383A (en) * | 1989-01-03 | 1990-07-31 | Prmg, Inc. | Furnace charger apparatus |
US5820364A (en) * | 1996-07-31 | 1998-10-13 | Republic Engineered Systems | Reheat furnace apparatus and method of use |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4421481A (en) | Furnace for heating slabs, billets, rough castings and the like | |
US3243059A (en) | Slab heating furances and extractors | |
US3680344A (en) | System for cooling large, hot metal slabs | |
US2965369A (en) | Transfer mechanism for heat treating apparatus | |
US2361222A (en) | Conveying mechanism | |
US1935087A (en) | Galvanizing machine | |
US3659831A (en) | Integral quench furnace and transfer mechanism | |
US4012233A (en) | Conveyor for containers for carrying objects of glass or similar materials, which objects are to be hardened chemically by surface treatment | |
US3137485A (en) | Heat treatment furnace and conveyor therefor | |
US4986291A (en) | Apparatus and process for the surface treatment of strips with liquids | |
EP0313726B1 (en) | Process and furnace to heat slabs, billets, ingots, sheets, steel bands and similar charges | |
US2039203A (en) | Furnace apparatus for the heat treatment of metallic or other bodies | |
US5139418A (en) | Device for discharging and transferring steelworks products | |
US2007009A (en) | Annealing furnace | |
US1999596A (en) | Conveying apparatus | |
US2172386A (en) | Apparatus for treating metal sheets | |
US2859029A (en) | Apparatus for treating metal parts | |
US2940619A (en) | Work transfer apparatus | |
US2742017A (en) | Automatic apparatus for simultaneously enameling inside and outside electric conduits | |
JPH031469Y2 (en) | ||
CA1236293A (en) | Workpiece charger for heating furnace | |
US3305109A (en) | Furnace discharging apparatus | |
US1984032A (en) | Furnace charger | |
DE3830027C2 (en) | ||
US3410543A (en) | Means for discharging material from a rotary hearth furnace |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: MESTA AND MELLON BANK, N.A., MELLON SQUARE, PITTSB Free format text: SECURITY INTEREST;ASSIGNOR:MESTA MACHINE COMPANY;REEL/FRAME:003861/0980 Effective date: 19810529 |
|
AS | Assignment |
Owner name: MESTA ENGINEERING COMPANY, 32ND ST. A.V.R.R., PITT Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:MESTA MACHINE COMPANY;REEL/FRAME:004099/0627 Effective date: 19830215 Owner name: MESTA MACHINE COMPANY SEVENTH AVE., WEST HOMESTEAD Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:MELLON BANK, N.A., A NATIONAL BANKING ASSOC. AS AGENT (SEE DOCUMENT FOR DETAILS);REEL/FRAME:004101/0198 Effective date: 19830114 Owner name: PENNSYLVANIA ENGINEERING CORPORATION, 32ND ST., A Free format text: MORTGAGE;ASSIGNOR:MESTA ENGINEERING COMPANY A PARTNERSHIP;REEL/FRAME:004101/0185 Effective date: 19830214 |
|
AS | Assignment |
Owner name: WELLS FARGO BANK, N.A., REGIONAL COMMERCIAL BANKIN Free format text: SECURITY INTEREST;ASSIGNOR:PRICE PFISTER, INC., A CORP. OF DE;REEL/FRAME:004259/0685 Effective date: 19840328 |