US1354213A

US1354213A - Roll-polishing machine

Info

Publication number: US1354213A
Application number: US291469A
Authority: US
Inventors: William H Rittberger
Original assignee: Individual
Current assignee: Individual
Priority date: 1919-04-21
Filing date: 1919-04-21
Publication date: 1920-09-28
Anticipated expiration: 1937-09-28

Description

W. H. RITTBERGER.

ROLL POLISHING MACHINE.

APPLICATION FILED APII. 2|, 1919.

Patented Sept. 28, 1920.

3 SHEETS-SHEET l.

w. H. RITTBERGER.

ROLL POLISHING MACHINE.

APPLICATION FILED APR. 21, 1919.

Patented Sept. 28, 1920?;

3 ,SHEETS-SHEET 2.

W. H. RITTBERGER.

ROLL PoLIsHING MACHINE.

y APPLICATION FILED APR. 21, 1919. i 15.354,21 3 Patented Sept. '28, 1920.

3 SHEETS-SHEET 3.

Q3 LO nventoz dnn,

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WILLIAM H. RITTBERG-ER, 0F GRANITE CITY, ILLINOIS.

ROLL-POLISHING' MACHINE.

Specification of Letters Patent.

Patented Sept. 28, 1920.

Application led .April 21, 1919. Serial No. 291,469.

To @ZZ whom t may concern.'

Be it known that I, VILLIAM H. RITT- BERGER, a citizen of the United States, residing at Granite City, in the county of Wadison and State of Illinois, have invented certain new and useful Improvements in Roll- Polishing'Machines, of which the following is a specification, reference being had to the accompanying drawings.

This invention relates to means for polishing rolls, and particularly to means for polishing the rolls used for rolling metallic plates or sheets.

Generally speaking, the object of my invention is to provide mechanism' mounted in connection with rolling machines of the character described whereby to rub off the iron which gathers on the rolls from the bars or blanks being rolled. This iron forms pits in the sheets as they are being rolled unless the rolls are polished. At the present time, the rolls are polished by the use of a pole carrying a polishing member of emery on the extremity of the pole.

A further object of the invention is to provide a device for polishing the rolls while they are in use, and in this connection to provide a device for polishing the upper and lower rolls which may be shifted into or out of an operative position and which, when in an inoperative position, will be entirely out of the way as far as the manipulation of the bars, blanks, or sheets go.

A further object in this connection is to provide a device of this character wherein the polishing elements may be removed or replaced or cleaned when the carriers supporting the polishing elements are turned into their inoperative position, and in this connection to provide carriers for the polishing elements which are jointed so thatv the two sections may be folded back upon each other to an inoperative position.

It is a further object of the invention to provide abrasive elements for contact with the'roll surfaces, a carrier for each of said abrasive elements, and means for actuating the carrier to hold the abrasive element under pressure against the face of the roll, and manually operable means for moving the abrasive element longitudinally of the roll.

A further object is to provide, for polishing each roll, a pair of abrasive elements in the form of blocks adapted for contact with the roll surface, means for adjusting the blocks so that they shall properly engage against the roll, and means for reciprocating the blocks or elements in relatively opposite directions against the roll.

A further object is to provide improved means for mounting the abrasive elements, and Yprovide springs urging the abrasive elements against the roll, and -means for increasing or decreasing pressure of said springs as the necessities of the case may demand.

Other objects will appear in the course of the following description.

My invention is illustrated in the accom panying drawings, wherein Figure l is an end elevation of a rolling mill having my attachments applied thereto, the attachments being shown in dotted lines;

Fig. 2 is a front elevation of the construetion shown in Fig. l;

Fig. 8 is a fragmentary vertical section of the constructions shown in Figs. l and 2;

Fig. 4 is a plan view of the polishing means for the lower roll;

Fig. 5 is a fragmentary perspective view of the inner end of the polishing frame shown in Fig. 4;

Fig. 6 is a fragmentary perspective view of the inner end of-the polishing frame shown in Fig. 3, and Fig. 62L is a detail of handle 34;

Fig. 7 is a fragmentary sectional view of the support for the polishing frame shown in Fig. l;

Fig. 8 is a sectional view of the annulus used for shifting this frame;

Fig. 9 is a sectional perspective view of a modified form of abrading element; and

Fig. l0 is a fragmentary plan view of a modified form of the construction illustrated in Fig. 4.

Referring to the drawings, 5 uesignates the roll standards which are suitabiy mounted upon a base or foundation 6. The rolls` designated 7 and 8, are mounted in suitable bearings, at their opposite ends, in the standards 5 and are further so mounted that they may be urged toward each other. The construction of these rolls and the manner in which they are mounted forms no part of the present invention, the illustration being simply conventional to disclose the general arrangement and operation of the polishing or abrading mechanism. i

Disposed between the front pair of standtransverse bolts 12 and 12; So far, the' rolling machine which I have described is that commonly found.

Coacting with the upper roll is a carriage which is composed of the laterally disposed bars 14, which are spaced from each other a distance approximately equal to the distance between the front standards, the outer portions of these bars being inwardly deflected, as at 15, and formed with screw-threads for engagement with a nut 16. Beyond this screw-threaded portion, the outer endsof these bars are smooth and are disposed loosely through sleeves 17, and bearing at one end against the sleeves 17 and at their opposite ends against the nut 16, are the coiled expansion springs 18. These bars 14 are connected at then' outer. ends by means of a longitudinally extending rod or bolt 19, and inward of thedeflection 15 by a longitudinally extending bolt 20. Loosely surrounding the brace rod 12 is a tubular member 21, and mounted thereon is an annular member 22 having an outwardly projecting arm 23 which is pivotally connected to the sleeve 17 and specifically to an ear 24 projecting from this sleeve. Mounted upon the tubular member 21 and in conjunction with the member 22, is an annulus 25 having a plurality of radial sockets for the insertion of a. lever 26 whereby it may be rotated to thereby shift the sleeves 17 upon the bars 14. It will be understood that the tube 21 rotates upon the tie rod 12 and that there are two of the parts 22 mounted upon this tube 21 and pivotally engaging with the sleeves 17, but that there is only one annulus 25 provided with the sockets for the reception of the operating lever. Fawls 27 are mounted. upon the inner faces of the pedestals or standards to engage ratchet wheels mounted on the annular member and thus hold the member in its rotated position and hold the sleeves 17 projected to a greater or less extent. 1t will be seen that these sleeves bear against the spring 18 and as a consequence, the adjustment of the tubular member will increase or decrease the ten-v vsion of these springs, that is the pressure against the outer ends of the springs, and thus increase or decrease the pressure with which the abrading elements, to be hereafter described.` are forced against the roll 7. The nuts 16by reason of their adjustment on the screwthreads of the portions 15, also control the pressure with which the abrading elements are to be forced against the roll. The inner ends of the bars 14L are formed with heads 28, these heads being connected by Va screw 29 carrying reversely disposed screw-threads. The screw 29 is rotatably mounted in the heads 28. Slidingly mounted on the rods 19 are

carriers

30 and 31, the adjacent ends of the carriers being beveled, as illustrated in Fig. 2, and the faces of these carriers being each recessed for the reception of a block 32 of emery or like abrading material, these blocks being held in place in the respective carriers by means of set screws or other suitable clamping devices. The inner faces of the blocks are somewhat concave so as to fit the surface of the upper roll. Mounted upon one end of the screw 29 is a ratchet wheel 33, and operating in conjunction therewith is a removable handle 34 having doublel pawls 35, either of which may be shifted into engagement with the ratchet wheel. 1When one of these pawls is shifted intoV engagement with the ratchet wheel, an oscillation of the handle or lever 34 will rotate the ratchet wheel and screw in one direction, and when the ,other pawl is shifted into such engagement it will rotate the screw in the opposite direction. The handle is formed with a yoke 34a at one end loosely embracing the shaft 29 so that the handle may be removed. l do not wish to be limited to the use o-f a screw for Vthe purpose of laterally shifting the carriers, as they might be shifted by other manually operable means. Y

lt will be noted from Fig. 1 that the bars 14- are made Vin two sections with Va rule joint, vat 36, the transverse tie rod20 acting as the pivot for this rule joint, as illustrated clearly in Fig. 3. The joint is such that the two sections of the bars 14k may be turned into alinement with each other, but are prevented from further movement in this di rection, or the uppeil Qection may be turned outward and downward to the position shown in full lines in Fig. 3, in which position the section will be below the table 9.

lt will further be noted that when the upper section a is turned downward and outward to its inoperative position, the lower section 5 still remains in place. The lower section of each of the bars 14 is formed, as at 37, to rest on downwardly extending lugs 38 carried by the cross bar 11, these lugs being disposed at the ends of the cross bar 11 adjacent the pedestals or standards 5. fr wheel 39 is also mounted upon the standard or pedestal 5, and the upper end of each section a has a wedging engagement with these wheels so as to wedge the abrading blocks into contact with the roll. It will be obvious that byV shifting the carriage formed by the bars 111 and the tie rods 19 and 20.y etc., downward against the force of. the springs 18, that the upper ends of .pivoted by means of a transverse rod 41 4which are used for polishing or abrading the lower roll 8. This carriage (as shown in Fig. 4) isc'ompos'ed of the parallel bars 40 which are formedvin two sections a and b 7 these sections having a rule oint. The outer section b has a straight portion 42 which is screw-threaded for aA portion of its length to carry a nut 43, and this section has sliding engagement through the sleeve 44 corresponding in all. respects to the sleeve 17.

ASprings 45 urge the bars 40 outward and the abrading elements 'against the rolls. The sleeves 44 are adjustable against the springs 45 by means offannuli 46 carried upon 'the tubular members 47 surrounding the tie rod 13, these members 46 being each a projecting arm which is 'pivotally connected to the sleeve 44 in the manner heretofore described. Mounted upon the tubular member 47 is a wheel 48 having sockets, as before described, with relation to the member 25, whereby an operating rod or handle may be inserted. A pawl is mounted upon the inside i face ofthe standard to engage the member 48 and hold it in adjusted position.

It will be noted from Fig. 1 that the carriage for the lowerv abrading element is disposed in a horizontal plane when in operative position instead of being disposed upward and inward, as is the carriage for the abrading element of the upper roll, but except for this and except that I use a ldifferent manner of mounting andshifting the abrading elements, the construction of the carriage for the lowerabrading elements 1s the same as that for the upper abrading elements.

The sections a of the bars 40 lare expanded to form heads 49, these heads being joined by a pair of cross rods 50. Slidingly mounted upon thesecross rods are the carriers 51, which carry the abrading elements 52, preferably blocks of yemery, these blocks being clamped in place by a set screw. Each of these carriers has a downwardly extending 'stem 53.

Clamped upon the tie rod 41 is a supporting bracket 54 having bearings or stub shafts 55 for intermeshing sector gears 56. One of these sector gears V56 is provided with a handle 57 and each of these sectorgears is provided with an outwardly extending arm 58 which is `connected by a link 59 to the corresponding stem 53. It will be obvious from F ig. 4 that by oscillating the handle 57, the abrading `elements may be reciprocated toward or from each other, and that when so reciprocated, these abrading lelements will move over, the surface of the lower roll, inasmuch as the carriage shown in Fig. 4 is used for the lower roll and disposed onthe rear side thereof, there is no reason why means should not be used for reciprocating the abrading elements, which means extends into the space between the bars 40, but with the roll for the upper carriage, however, it is desirable that the least possible mechanism be used so as to interfere as little as possible with the proper operation and use of the rolling machine.

It will be obvious from Fig. 4that the section a of the carriage used for the lower roll may be turned over as illustrated in dotted lines in Fig. 1 so as to get it entirely out of the way and the abrading element out of contact with the roll.

lVhile I have illustrated in Figs. 1 to S'an abrading' element which is formed of a block of emery or other abrading substances, it is to be understood that I do not wish to be limited to this, and in Fig. 9 I have illustrated a block or element designated 52L which is formed of hard tool steel, the block being formed with a plurality of longitudinally extending-kerfs 60, each kerf terminating and discharging into a longitudinally extending passage 61. -The corners formed by the intersection of the kerfs with the concave face of the abrading element form cutters which will cut the scale or particles of iron off the rolls and the dust caused by this cutting or abrading action will be discharged into thekerfs and so into the longitudinally extending passages 61.

In the use of this device, when it is desired to clean the rolls of foreign matter, the sections a of the upper and lower carriage may be turned over so as to bring these sections in alinement with the sections 5, and that under these circumstances, the

springs

18 and 45 will urge the abrading elements againstthe'faces of the rolls with a force depending upon the adjustment of the sleeves 17 and 44. Now if the rolls are rotating and the abrading elements being reciprocated as by oscillating the lever 34 or the handle -57,the surfaces of the rolls will be submitted to an abrading action which will very readily clean them. As soon as the rolls are cleaned, the sections a may be turned back to their inoperativepositions and the work proceeded with. Of course, it will be understood that the table `9 is removed when the carriage for the abrading element of the upper roll is in operation and then replaced when this carriage has been folded back to an inoperative position. `It will also be seen that when the rolls are removedfrom the housing, that is from the pedestals or standards, the rods 12 and 13 are removed and thus my cleaning mechanism is removed with these rods, these tie rods acting as the sole support for the cleaning mechanism except forr the support which the cleaning mechanism for the upper roll to be thoroughly effettive in practice, yet

it will be obvious that many changes might be made 1n the details of construction and Varrangement of parts without departing from the spirit of the invention.

Thus, in Fig. 10 I have illustrated a modified construction of the means for oscillating the abrading elements from the lower roll, which is constructed in the same manner as the construction shown in Fig. 4, but in y'which the gear wheels 56 are omitted. In

place thereof, I provide a lever 63 pivoted upon the supporting member 54 and connected by a link 64; to the shank 53 of one of the abrading elements 52, this lever 63 outward of its pivot being connected by a longitudinally extending link 65 to a link 6G pivoted to the support 54- and connected by a link G7 to the other abrading element. By oscillating the handle of the lever 63 an oscillation will lbe communicated to the abrading elements 52 in opposite directions.

I yclaimzl l. A polishing mechanism for metal rolls including a support formed in foldable sections, a longitudinally movable abrading element mounted on the support, manually operable means for moving said abrading element longitudinally against the surface of the rolls, and resilient means for urging the abrading element against the roll.

2. A polishing mechanism for metal rolls including a support formed in two sections, one of said sections being pivoted to the other for movement into folded relation, an abrading element mounted on the support for longitudinal movement, and manually 'operable means detachable from the carriage for moving said abrading element longitudinally against the surface of the roll.

including a support formed in sections and adapted to be folded upon each other, a longitudinally movable abrading element mounted on the support, manually operable means for moving said abrading element longitudinally against the surface of the roll, resilient means for urging the abrading element against the roll, and, adjustable means for increasing or vdecreasing the pressure of said resilient means.

il. In a rolling mill, coacting rolls and a housing therefor, a removable table mounted uponthe housing whereby blanks may be directed between the rolls, and means for polishing the upper roll comprising a carriage, a longitudinally reciprocatable abrading element mounted upon the carriage and adapted to have contact with the upper roll,

and means for reciprocating said abrading element, the -carriage being formed in two 3. A polishing mechanism for metal rolls` sections pivoted to each other whereby the" upper section carrying the abrading element may be turned back upon the lower section to a position beneath said table.

In a rolling mill, vthe combination with two coacting rolls and a housing therefor, of a tie rod extending across the housing, a tubular element mounted upon the tie rod,

sleeves operatively mounted upon the tubu- Y' lar element and extending at right angles thereto, laterally disposed bars having their outer ends loosely inserted in said sleeves, springs disposed between the sleeves,and shoulders on the bars urging the bars outward, tie rods connecting the bars, longitudinally reciprocatable abrading elements operatively supported upon said bars for sliding movement against the face of a roll, and manually operable means for reciprocating said abrading elements.

6. In a rolling mill, the combination with two coacting rolls and a housing therefor, of e a tie' rod extending across the housing, a

tubular element mounted upon the tie rod, sleeves operatively mounted upon the tubular element and extending at right angles thereto, laterally disposed bars having their Y outer ends loosely inserted in said sleeves, springs disposed between the sleeves, and shoulders on the bars urging the bars outward, said shoulders being adjustable on sleeves having ears, members mounted upon the tubular member and having arms pivoted to said sleeves', manuallyV operable means for rotatively adjusting the tubular member, shoulders on the bars urging the bars outward, said shoulders being adjustable on the bars, tie rods connecting the bars, longitudinally reciprocatable abrading elements operatively supported upon said bars for sliding movement against the face of a roll, and manually operable means for reciprocating said abrading elements.

8. In a roll polishing device, the combination with a rolling mill having a housing, a pair of supporting members mounted upon the housing, veach supporting member being formed in two sections, one of the sections being pivoted to the other so that said last named section may be folded over with relation to the first named section, a transvverse member carried 'by said last named ing members longitudinally upon said transverse member.

9. In a roll polishing device, the combination with a rolling mill having a housing, a pair of supporting members mounted upon the housing, each supporting member being 'formed in two sections, one of the sections being pivoted to the other so that said last named section may be folded over with relation to the first named section, a transverse member carried by said last named pivoted sections, abrading members carried upon said transverse'member, and manually operable means for reciprocating said abrading members longitudinally upon said transverse member, resilient means urging said members toward the roll with which the abrading member coacts, and means for increasing or decreasing the tension of said resilient means.

l0. The combination with the upper and lower rolls of a rolling mill and a housing therefor, of supporting members mounted on the housing and held from movement parallel to the rolls, there being a pair of supporting members for each roll, each supporting member formed in foldable sections, an abrading element mounted on the uppermost section of each supporting member for movement relative to the supporting member parallel to the face of the corresponding roll, and means for reciprocating each abrading element against the surface o1" the corresponding roll.

1l. The combination with the rolls of a rolling mill and a housing in which the rolls are mounted, of a supporting member mounted upon the housing and formed in two sections pivoted to each other so that the section nearest the roll may be folded over with relation to the section farthest from the roll, said supporting member being held from any longitudinal movement parallel to the roll, an abrading member carried upon the section nearest the roll and engageable against the face of the roll, and manually operable means for reciprocating said abrading member parallel to the face of the roll.

In testimony whereof I hereunto aiiix my signature in the presence of two witnesses.

VVI-LLIAM H. RITTBERGIJR.k

Witnesses A. B. I-IE'rriCH, J. ENELSON.