US3860123A

US3860123A - Device for receiving metal ingots being cut off in the course of continuous casting

Info

Publication number: US3860123A
Application number: US360375A
Authority: US
Inventors: Nikolai Vladimirov Molochnikov; Vladimir Sergeevich Patrikeev; Abram Khaimovich Charny; Viktor Alexeevich Schepkin
Original assignee: Individual
Current assignee: Individual
Priority date: 1973-05-11
Filing date: 1973-05-11
Publication date: 1975-01-14
Anticipated expiration: 1992-01-14

Abstract

A device for receiving metal ingots to be cut off in the course of continuous casting, comprising an attachment adapted to hold the ingot in a crate which is fitted with a hole in its bottom part sufficient for the passage of a dummy bar. The attachment may be made as projections overlapping partly the hole in the crate bottom and holding the ingot in place with the dummy bar being provided with longitudinal grooves into which the projections are introduced.

Description

Unite States Molochnikov et a1.

atent m1 Jam-14,1975

[ DEVICE FOR RECEIVING METAL INGOTS BEING CUT OFF IN THE COURSE OF CONTINUOUS CASTING Inventors: Nikolai Vladimirovich Molochnikov,

prospekt Mira, 103, kv. 227; Vladimir Sergeevich Patrikeev, Belomorskaya ulitsa, 8, kv. 58; Abram Khaimovich Charny, lzmailovsky bulvar, 46/30, kv. 6; Viktor Alexeevich Schepkin, Novogireevskaya, 49, kv. 54, all of Moscow, USSR.

Filed: May 11, 1973 Appl. No.: 360,375

US. Cl. 214/1 QG, 22/57.2, 214/130 R Int. Cl. B65g 7/00 Field of Search 214/1 Q, 1 P, 2.5, 6 H, 214/6 C, 1 QG, 130 R, DIG. 3 22/57.2

[56] References Cited UNITED STATES PATENTS 2,999,605 9/1961 DeJarnett 214/2 S 12/1963 Hess et a1. 214/1 Q X 11/1970 Helms 214/6 H FOREIGN PATENTS OR APPLICATIONS 305,928 11/1968 Sweden 214/1 QG Primary ExaminerFrank E. Werner Attorney, Agent, or Firm-Waters, Roditi, Schwartz & Nissen [57] ABSTRACT A device for receiving metal ingots to be cut off in the course of continuous casting, comprising an attachment adapted to hold the ingot in a crate which is fitted with a hole in its bottom part sufficient for the passage of a dummy bar.

The attachment may be made as projections overlapping partly the hole in the crate bottom and holding the ingot in place with the dummy bar being provided with longitudinal grooves into which the projections are introduced.

1 Claim, 3 Drawing Figures or mi CUT OFF IN THE COURSE OF CONTINUOUS CASTING The present invention relates to devices for receiving metal ingots being cut off in the course of continuous casting on continuous casting machines.

To date the devices employed for receiving the metal ingots being cut off during the continuous casting process comprise a crate travelling in guide rods with the aid of rope drives. The crates can swing about a horizontal axis perpendicular to the longitudinal axis of the crate and draw the cut-off ingot out to a roll table.

At the beginning of the casting process a dummy bar is introduced into a mould from below by means of a gear adapted for traversing it in vertical direction. The dummy bar interacts with the ingot and withdraws (pulls out) it from the, mould as it is formed.

The metal ingot being drawn out of the mould by a pulling stand is cut to pieces by a flame-cutting machine.

However, the devices comprising the crates with the rope drives are cumbersome and not dependable in service. In operation the ropes are liable to stretch and the device lacks accuracy. Moreover, the ropes require constant attention, lubrication and control which increases operating expenses.

The main object of the invention is to provide a device for receiving metal ingots being cut off in the course of continuous casting, which would feature a longer life period.

Another important object of the invention is to enhance reliability of operation of the device.

Yet another, no less important, object of the invention is to ensure a compact design and easy attendance of the device.

Said and other objects are accomplished by the provision of a device for receiving metal ingots being cut off in the course of continuous casting, comprising a crate adapted to accommodate the cut off ingot and furnished with a gear for turning it about a horizontal pivot which is perpendicular to the longitudinal axis of the crate, and with a gear adapted for vertical traverse of a dummy bar interacting with the ingot, wherein, according to the invention, the bottom portion of said crate is fitted with a hole sufficient for the passage of the dummy bar and with an attachment holding the ingot in place in the crate.

The thus made device features a longer life period.

It is expedient that the attachment holding the ingot in place in said crate be made as projections located on the internal side surface of the crate and partly overlap FIG. 2 same device at the moment the dummy bar is detached from the cutoff ingot;

FIG. 3 is a section Ill-[II of FIG. 1.

A device is intended for receiving metal ingots 1 (FIGS. 1 and 2) being shaped in a mould of a continuous casting machine (not shown in the drawings) and cut off by an apparatus 2 arranged after a pulling stand 3 (in the direction of the production process indicated by arrow A). The device comprises a crate 4 adapted to admit the cut-off ingot, to turn it in a direction shown by arrow B, draw it out onto a roll table 5 to be conveyed in the direction indicated by arrow C.

The crate is furnished with a gear 6 adapted to turn it about a horizontal pivot 7 arranged at a right angle to the longitudinal axis of the crate 4 disposed vertically.

The mould, the crate 4 and a dummy bar 8 are aligned axially with one another.

The dummy bar 8 is fitted with a gear 9 adapted to traverse it in a vertical direction.

The lateral face of the dummy bar 8 is provided with longitudinal grooves 10 (FIG. 3) located on the opposite sides of the dummy bar 8 to accommodate projections 11 produced on the internal side surface of the crate 4 and partly overlapping a hole in its bottom part. The projections are designed to hold the cut-off ingot l in the crate 4, whereas the dummy bar 8 having the grooves 10 is not retained by the projections.

In another embodiment of the device the attachment adapted to hold the cut-offingot in place may represent a dummy bar without the grooves passing readily through the crate which has no bottom and in which the ingot is held in place by a clamp built into the crate walls. In this case use may be made of a conventional dummy bar but a drive must be provided to transfer clamp jaws.

The herein-proposed device operates in the following manner. v

The crate 4 for receiving the ingot 1 (FIG. 1) being cut off is placed with the help of the gear 6 in a vertical position. Then the dummy bar 8 is lifted by the gear 9, passed through the hole provided in the bottom portion of the crate 4 and introduced into a mould (not shown in the drawing). As the ingot is being shaped, the dummy bar 8 is being lowered with the stand 3 adapted to pull out the ingot 1 being in operation at that. In drawing a part of the ingot of a specified size out of the mould an apparatus 2 is actuated to cut off the ingot 1 being descended. The cut-off part of the ingot is held on the top end face of the dummy bar 8.

The bottom part of the'ingot can be detached from I the dummy bar 8 by any of the known devices, such as,

ping the hole in its bottom part with the lateral face of the dummy bar being provided with longitudinal grooves interacting with said projections so that the dummy bar is allowed to pass through the hole in the crate bottom with the ingot being held in place in the crate.

The above-described device is compact, reliable in service and convenient in attending.

The invention is further exemplified by a detailed description of specific embodiments thereof, to be had in conjunction with the accompanying drawings, wherein:

FIG. 1 shows a device, according to the invention, at the moment the ingot being cut off is lowered into a crate; a section by a longitudinal plane along its longitudinal axis;

an automatic gear coupling the dummy bar head with its casing.

The ingot 1 being lowered into the crate 4 rests against projections 11, the dummy bar 8 being readily drawn out of the crate 4.

Following that, the drive of the gear 6 (FIG. 2) is energized and tilts the crate 4 with the ingot 1 from a vertical to horizontal position, with the crate 4 being turned at that about the horizontal pivot 7, as indicated by arrow B, in a position shown by a dotted line. Then the ingot is conveyed by the roll table 5 in a direction shown by arrow C. At this time the next ingot cut off by a flame-cutting machine is descending from the mould into the crate 4 (FIG. I) which is returned into a vertical position to receive the ingot. The dummy bar 8 is then introduced into the crate 4 and lifted until it approaches the bottom end face of the ingot 1 being lowered, whereupon they are lowered concurrently. The cut-off ingot 1 rests against the top face of the dummy bar 8 which places it on'the projections 11 (FIG. 3) provided on the interior of the crate 4 (FIG. 2). The projections 11 do not interfere with the travel of the dummy bar 8 due to the longitudinal grooves providedv on its lateral face but hold the ingot l in the crate 4. Each time, on completion of the cut, the dummy bar 8 lowers the cut-off ingot 1 into the crate 4 until it (the ingot) is retained by the projections 11. The dummy bar 8, being detached from the ingot l at that, descends below the crate 4, whereafter the latter is turned by the gear 6 about the pivot 7 to transfer the ingot onto the roll table 5, after which the crate 4 returns into its initial vertical position.

The dummy bar 8 being traversed together with the cut off ingot l, the latter is lowered into the crate 4 without blows. Further on, the above-described cycle 4 is reiterated.

We claim:

l. A device for receiving metal ingots cut off in the course of continuous casting comprising: a crate adapted to receive the cut-off ingot and fitted in its bottom part with a hole sufficient for the passage of a dummy bar interacting with said ingot; a plurality of gears adapted for turning said crate about a horizontal pivot perpendicular to the longitunal axis of said crate; a plurality of gears for traversing said dummy bar in a vertical direction; and an attachment adapted to hold said ingot in said crate after said dummy bar has emerged from said crate, said attachment comprising projections provided on the internal side surfaces of said crate and overlapping partly the hole in its bottom part, the lateral face of said dummy bar being fitted with longitudinal grooves wherein said projections are

Claims

1. A device for receiving metal ingots cut off in the course of continuous casting comprising: a crate adapted to receive the cut-off ingot and fitted in its bottom part with a hole sufficient for the passage of a dummy bar interacting with said ingot; a plurality of gears adapted for turning said crate about a horizontal pivot perpendicular to the longitunal axis of said crate; a plurality of gears for traversing said dummy bar in a vertical direction; and an attachment adapted to hold said ingot in said crate after said dummy bar has emerged from said crate, said attachment comprising projections provided on the internal side surfaces of said crate and overlapping partly the hole in its bottom part, the lateral face of said dummy bar being fitted with longitudinal grooves wherein said projections are introduced.