US956302A - Process of treating rolled metal flats and the like. - Google Patents

Process of treating rolled metal flats and the like. Download PDF

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Publication number
US956302A
US956302A US52523909A US1909525239A US956302A US 956302 A US956302 A US 956302A US 52523909 A US52523909 A US 52523909A US 1909525239 A US1909525239 A US 1909525239A US 956302 A US956302 A US 956302A
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flat
flats
coil
treating
acid
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US52523909A
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Fred H Daniels
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
    • B21B45/08—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing hydraulically
    • 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
    • Y10T29/00—Metal working
    • Y10T29/45—Scale remover or preventor
    • Y10T29/4528—Scale remover or preventor with rotary head

Definitions

  • V 1 'My invention has relation to the process of treating rolled me'tal strips and other similar shapes for the purpose of removing scale therefrom, and to provide for a more efficient action of the pickle bath, whereby the flat may be thoroughly cleaned with a minimum amount of acid.
  • the coils of flats as they come from a rolling mill are placed in a suitable machine, in which thev are unreeled and in which the flats are corrugated in passing.
  • the flats are thensubjected to the action of a pickling bath, either with or without reeling or coiling, and after leaving such bath are passed through a roll-' ing mill, in which they arereduced in thickness and smooth surfaced, the roll also acting to remove the corrugations.
  • the ,flats are then rewound.
  • the numeral 2 designates a coil of flats as it .comes from the rolling mill and which is placed in a vertical position on'a suitable stand or support 3, provided with antifriction rollers 4, upon which the coil rests.
  • the flat is unwound from this coil and passed, through the corrugating machine 5.
  • the acid solution used in trough 6 is circulated therein by being drawn by a suitable pump 8 from the tan upwardl into the trough from which it runsbac into the tank.
  • The'flat passes out ofthe trough 6' through a washing tank 9 and thence to and through the rolls 10 of a cold-rolling machine'll.
  • Water is preferably supplied to the rolls of this machine, as by the pipe 12, for the purpose of removing any acid or any foreign matter which may not have been removed in the washing tank 9. Any acid which might remain on the flats would injure the rolls 10, as well as the flat itself.
  • the flat is coiled on a suitable reel 13,
  • the flat after passing through the corru-- gating machine 5, is reeled or wound into a loose coil on asuitable reel 14.
  • This coil is then lifted over and placed in an acid bath in a Suitable tank 15, in which it may be agitated in any suitable manner.
  • the flat is then flushed thoroughly on both sides and is run through the cold-rolling machine 11 1n the same manner as in Fig. 1.
  • the flat coming from the rolling mill is corrugated for the purpose of loosening and breaking off all scale so as to present a smooth Surface which can be more easily reached by the acid in cleaning.
  • the corrugatlons When the flat is recoiled beforebeing submitted. to the acid bath, the corrugatlons also act to form a loose bundle, thus giving the acid more complete access to all parts of the surface.
  • Any suitable corrugating device may be .used for this purpose.
  • This machine comprises the pressure feed rolls 16 and 17 which engage the end of the flat as it is unwound from the coil 2 and feed it forwardly between a palr of rollers 18 which may be placedin any one of the three positions in-. dicated by '18, 18",and18, and thence 10c it through the'corrugating and scalingflevice I shown in detail in Figs; 5 and 6.
  • This device consists of a hollow frame or sleeve 19,
  • tion of the frame or sleeve is a rocker arm 23, havinga pivoted connecting rod 24, at-
  • the corrugated piece feeds forwardly to the rewinding reel or block let, before referred to, and which is mounted on a shaft 38 having a toothed wheel 39, intermeshing with a pinion ID, on the shaft &1.
  • This shaft ll has a suitable friction clutch 42, and is driven by a belt 43, from the main driving shaft of the corrugating machine.
  • the winding block let is preferably ofpolygonal shape, so as to provide openings between the layers of the coil to give free access to all parts of the coil in cleaning.
  • the rolls 18 may be set in any one of the three sets of bearings 18*, 18 and 18 illustrated in Fig. 4, for the purpose of varying the depth of the corrugations. These can also be varied by varying the throw of the rocker 23. As the metal passes through the frame or sleeve 19, the rocking of the rollers will cause it to alternately corrugate opposite edges of the flats, as indicated in Fig. 3.
  • the flat coming from the rolling mill instead of being first formed into a coil 2, may be led directly through the corrugating machine and thence to the acid bath, and various other modifications may be made in the details of the process.
  • corrugatin device whereby opposite edge portions of the flat are alternately crimped or corrugated serves to effectively loosen and remove the scale therefrom, so that the acid of the pickling bath is brought into direct contact with the surface to be cleaned and the flats are cleaned with a minimum amount of acid.
  • the method of treating metal flats, etc which comprises the following steps, first, corrugating the flat to loosen and remove the scale therefrom, second, subjecting the corrugated flat to the action of an acid bath, and third, cold-rolling the same.
  • the herein described method of treating metal flats and the like which comprises the following steps, first, corrugating the flats to loosen and remove scale therefrom, second, forming the corrugated flat into a loose bundle or coil, third, subjecting the coil to an acid bath, and fourth, cold-rolling the flat.
  • the herein described method of treating metal flats and the like which comprises the following steps, first, corrugating the flats to loosen and remove scale therefrom, second, forming the corrugated flat into a loose bundle or coil, third, subjecting the coil to an acid'bath, and fourth, cold-rolling the flat and removing the corrugations and reforming the flat into a coil.
  • the method of treating metal flats which comprises the following steps, first, corrugating the flat to loosen and remove scale therefrom, second, subjecting the corrugated flat to the action of an acid bath, third, washing the flat, and fourth, coldrolling the same.
  • the method of treating metal flats which comprises the following steps, first, corrugating the flat to loosen and remove scale therefrom, second, forming the corrugated flat into a loose coil or bundle, third, suhjectingthe coil or bundle to the action of an acid bath, and fourth, rolling the flat.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Description

F. H. DANIELS.
PROCESS OF TREATING ROLLEDMETAL FLATS AND THE LIKE. APPLICATION FILED 00w. 29, 1909.
956,302. Patented Apr. 26, 1910.
4 SHBBTBSHEET 1.
- F. H. DANIELS. I PROCESS OF TREATING ROLLED METAL FLATS AND THE LIKE.
Q APPLICATION FILED OOT.'29,1909. I 1956,302. Patented Apr.26, 1910.
mama-sum 2.
. r. H. DANIELS; I PROCESS OF TREATING ROLLED METAL FLATS AND THE LIKE. 956,302.
APPLICATION PILED 001. 29, 1909.
- Patented Apr. 26, 1910.
4 SHEETS-BHEET 3.
WITNESSES INVENTOR "P. H; DANIEL-8.. PROCESS OF TREATING ROLLED METAL FLATS AND THE LIKE. L PPLIOATION FILED OUT. 29, 1909.
956,302. L Patented Apr. 2 ,1910.
mvsm'oa VWITNESSES unms-an'nn'r 4. i
FRED I-I. DANIELS, or WORCESTER, MASSACHUSETTS.
PROCESS OF TREATING, ROLLED METAL FLATS AND THE LIKE.-
Specification of Letters Patent. Applicationfiled October 29,1909.
Patented Apr. 26, 1910. Serial No. 525,2;39. I
To all whom it may concern:
Be it known that I, FRED H. DANIELS, of Worcester, county of Worcester, State of Massachusetts, have invented a new and useful Improvement in- Processes'of Treating Rolled Metal Flats and the Like, of which the following is .a full, clear, and exact description, reference being had to. the ac- I companying drawings, forming part of this specification, in which Figure 1 is aside view partly diagrammatic illustratingone form of apparatus for carrying out my invention; Fig. 2 is a similar view illustrating a modification of the invention; Figs. 3 and 4 are, respectively,
. *plan and side views of one form of corrupasses gating machine which may be employed; Figs. 5 and 6 are detail views of portlons ofthe corrugating machine. 20 V 1 'My invention has relation to the process of treating rolled me'tal strips and other similar shapes for the purpose of removing scale therefrom, and to provide for a more efficient action of the pickle bath, whereby the flat may be thoroughly cleaned with a minimum amount of acid.
In accordance with my invention, the coils of flats as they come from a rolling mill are placed in a suitable machine, in which thev are unreeled and in which the flats are corrugated in passing. The flats are thensubjected to the action of a pickling bath, either with or without reeling or coiling, and after leaving such bath are passed through a roll-' ing mill, in which they arereduced in thickness and smooth surfaced, the roll also acting to remove the corrugations. The ,flats are then rewound.
Referring first to Fig. 1, the numeral 2 designates a coil of flats as it .comes from the rolling mill and which is placed in a vertical position on'a suitable stand or support 3, provided with antifriction rollers 4, upon which the coil rests. The flat is unwound from this coil and passed, through the corrugating machine 5.* From the cor rugatin devices of this machine, the flat orwardl and directly into a pickling trough 6, which is preferably supported over an acid tank 7 The acid solution used in trough 6 is circulated therein by being drawn by a suitable pump 8 from the tan upwardl into the trough from which it runsbac into the tank. The'flat passes out ofthe trough 6' through a washing tank 9 and thence to and through the rolls 10 of a cold-rolling machine'll. Water is preferably supplied to the rolls of this machine, as by the pipe 12, for the purpose of removing any acid or any foreign matter which may not have been removed in the washing tank 9. Any acid which might remain on the flats would injure the rolls 10, as well as the flat itself. After passing through these rolls, the flat is coiled on a suitable reel 13,
and is then ready for the usual finishing operations.
In the modification illustrated in Fig. 2,
the flat after passing through the corru-- gating machine 5, is reeled or wound into a loose coil on asuitable reel 14. This coil is then lifted over and placed in an acid bath in a Suitable tank 15, in which it may be agitated in any suitable manner. The flat is then flushed thoroughly on both sides and is run through the cold-rolling machine 11 1n the same manner as in Fig. 1.
In both forms of the invention, the flat coming from the rolling mill is corrugated for the purpose of loosening and breaking off all scale so as to present a smooth Surface which can be more easily reached by the acid in cleaning. When the flat is recoiled beforebeing submitted. to the acid bath, the corrugatlons also act to form a loose bundle, thus giving the acid more complete access to all parts of the surface. Any suitable corrugating device may be .used for this purpose. In Figs. 3, 4, 5 and 6,
I have illustrated a machine forthis urpose which forms the subject matter 0 my pending application, Serial No. 500,894, filed J une 8, 1909, of which the present application is in part a division. This machine comprises the pressure feed rolls 16 and 17 which engage the end of the flat as it is unwound from the coil 2 and feed it forwardly between a palr of rollers 18 which may be placedin any one of the three positions in-. dicated by '18, 18",and18, and thence 10c it through the'corrugating and scalingflevice I shown in detail in Figs; 5 and 6. This device consists of a hollow frame or sleeve 19,
having journal portions 20, which are car-.
ried in suitable bearings 21. In the central ortion of the frame or sleevev between the arlngs are mounted two rollers, preferably steel rollers 22'. Secured to the central por;
tion of the frame or sleeve is a rocker arm 23, havinga pivoted connecting rod 24, at-
tached at its other end to a crank 25, secured to a rotary shaft 26. The shaft26 is proupon a pivotal rod 37, secured to the frame and also acting upon the rocking top hearing of the upper roll. From the corrugat ing and scaling device, the corrugated piece feeds forwardly to the rewinding reel or block let, before referred to, and which is mounted on a shaft 38 having a toothed wheel 39, intermeshing with a pinion ID, on the shaft &1. This shaft ll has a suitable friction clutch 42, and is driven by a belt 43, from the main driving shaft of the corrugating machine. The winding block let is preferably ofpolygonal shape, so as to provide openings between the layers of the coil to give free access to all parts of the coil in cleaning.
In operation, the rolls 18 may be set in any one of the three sets of bearings 18*, 18 and 18 illustrated in Fig. 4, for the purpose of varying the depth of the corrugations. These can also be varied by varying the throw of the rocker 23. As the metal passes through the frame or sleeve 19, the rocking of the rollers will cause it to alternately corrugate opposite edges of the flats, as indicated in Fig. 3.
The machine described forms a simple and effective machine for the purpose, but it will be understood that any other suitable corru 'ating device may be employed.
If desired, the flat coming from the rolling mill, instead of being first formed into a coil 2, may be led directly through the corrugating machine and thence to the acid bath, and various other modifications may be made in the details of the process.
The action of the corrugatin device, whereby opposite edge portions of the flat are alternately crimped or corrugated serves to effectively loosen and remove the scale therefrom, so that the acid of the pickling bath is brought into direct contact with the surface to be cleaned and the flats are cleaned with a minimum amount of acid.
I claim: r
1. The method of treating metal flats, etc, which comprises the following steps, first, corrugating the flat to loosen and remove the scale therefrom, second, subjecting the corrugated flat to the action of an acid bath, and third, cold-rolling the same.
2. The herein described method of treating metal flats and the like, which comprises the following steps, first, corrugating the flats to loosen and remove scale therefrom, second, forming the corrugated flat into a loose bundle or coil, third, subjecting the coil to an acid bath, and fourth, cold-rolling the flat.
3. The herein described method of treating metal flats and the like, which comprises the following steps, first, corrugating the flats to loosen and remove scale therefrom, second, forming the corrugated flat into a loose bundle or coil, third, subjecting the coil to an acid'bath, and fourth, cold-rolling the flat and removing the corrugations and reforming the flat into a coil.
4-. The method of treating metal flats and the like, which comprises the following steps, first, taking a coil formed of flat material, second, uncoiling the flat and passing it through a corrugating device, whereby its opposite edge portions are alternately crimped,
third, subjecting the crimped flat to an acid bath, and fourth, cold-rolling the flat and removing the crimps therefrom.
5. In the art of treating flats, the steps which consist in bending opposite edge portions of the flat alternately in opposite directions, and then subjecting the same to an acid bath;
6. In the art of treating metal plates, and the like, the steps which consist in alternately crimping or bending opposite edge portions of the flat, forining the same into a loose coil, then subjecting the coil to the action of an acid bath, and then removing the crimps or bends.
7. The method of treating metal flats, which comprises the following steps, first, corrugating the flat to loosen and remove scale therefrom, second, subjecting the corrugated flat to the action of an acid bath, third, washing the flat, and fourth, coldrolling the same.
8. The method of treating metal flats, which comprises the following steps, first, corrugating the flat to loosen and remove scale therefrom, second, forming the corrugated flat into a loose coil or bundle, third, suhjectingthe coil or bundle to the action of an acid bath, and fourth, rolling the flat.
In testimony whereof, I have hereunto set my hand.
FRED H. DANIELS. \Vitnesses A. F. BACKLIN, \VM. A. BACON.
US52523909A 1909-10-29 1909-10-29 Process of treating rolled metal flats and the like. Expired - Lifetime US956302A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3013453A (en) * 1958-05-05 1961-12-19 Morgan Construction Co Guide for rolling mill
US3043754A (en) * 1959-12-03 1962-07-10 Aluminum Co Of America Decorative aluminum article and method for making the same
DE1214186B (en) * 1956-09-05 1966-04-14 United Steel Companies Ltd Process for cooling hot-rolled metallic strips or sheets

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1214186B (en) * 1956-09-05 1966-04-14 United Steel Companies Ltd Process for cooling hot-rolled metallic strips or sheets
US3013453A (en) * 1958-05-05 1961-12-19 Morgan Construction Co Guide for rolling mill
US3043754A (en) * 1959-12-03 1962-07-10 Aluminum Co Of America Decorative aluminum article and method for making the same

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