US3366041A

US3366041A - Adjustable marking machine

Info

Publication number: US3366041A
Application number: US605645A
Authority: US
Inventors: Krynytzky Alexander
Original assignee: Bethlehem Steel Corp
Current assignee: Bethlehem Steel Corp
Priority date: 1966-12-29
Filing date: 1966-12-29
Publication date: 1968-01-30
Anticipated expiration: 1985-01-30

Description

Jan. 30, 1968 A. KRYNYTZKY ADJUSTABLE MARKI NG MACHINE Filed Dec. 29,` 1966 3 Sheets-Sheet 1 INVENTOR Vexanc/er /lryny z/(y Jan. 30, 1968 A. KRYNYTZKY ADJUSTABLE MARKING MACHINE 3 Sheetsheet 2 Filed Dec. 29, 1966 INVENTOR A. KRYNYTZKY ADJUSTABLE MARKING MACHINE Filed Dec. 29, 1966 usheetsneet z INVENTOR /4/exanaer Kryn/fz/(y United States Patent C f 3,366,041 ADJUSTABLE MARKING MACHINE Alexander Krynytzky, Buffalo, N.Y., assigner to Bethlehem Steel Corporation, a corporation of Delaware Filed Dec. 29, 1966, Ser. No. 605,645 s Claims. (C1. 10i-6) ABSTRACT F THE DISCLOSURE A'marking machine for impressing identification markings on a longitudinally moving structural steel shape by mechanism including a rotary marking wheel and a backup wheel which engage the shape on opposite sides. The angular positions of `the wheels relative to the shape are made radially adjustable over a wide range by ring gear and pinion mountings.

Background of the invention The field ot art to which the invention pertains is the provision of means for marking identifying characters or designs on the surface of an article other than a rectangular sheet by engaging the article in rolling contact between the peripheries of two oppositely rotating members to eiiect the marking act.

It is conventional to mark standard structural steel sections such as I-beams, channels, Zbars, half center sills, etc., as they emerge still hot from the rolling mill, by causing them to pass between a rotary marking Wheel and a back-up wheel which functions as an anvil, so as to impress the desired symbols. Prior machines for this purpose, as exemplied by US. Patents 2,619,030 to Doyle and 3,163,106 to Failor, issued Nov. 25, 1952 and Dec. 29, 1965 respectively, are sometimes inadequate to mark plainly all the sections which may be rolled on the different passes of the mill, because a back-up member of such prior machines cannot be adjusted independently of a marking member, nor is there a wide range of radial adjustment for either member. Such prior machines have also been unduly wasteful of operating space, which is at a premium in a steel plant, and have required excessive room both longitudinally and vertically of the machine to permit their elective operation.

Summary of the invention The present invention enables the angular positions of the marking wheel and the back-up Wheel to be adjusted separately and quickly relative rto each other and to the section being marked, so as to mark plainly any size or type ot' section being rolled on any pass of the rolling mill. It is further exceptionally compact and economical of operating space, and is well adapted to motorized ad justments if desired.

Accordingly, it is an object of the invention to provide an apparatus for accurately marking structural steel shapes While hot and traveling at hif'h speeds therethrough.

Another object is to provide an apparatus for impressing suitable markings upon any surface of such a shape while disposed at any angle between and including the horizontal and vertical planes.

A further object is to provide an apparatus in which the relative angular positions of a back-up element and a marking element are quickly and easily adjustable.

An additional object is to provide an apparatus which is readily movable out of the path of any rolled products which are not to be marked.

Description of the drawings In the annexed drawings: FIGURE l is a full front elevation yof my marking machine;

3,366,041 Patented Jan. 30, 1968 FIG. 2 is a partial front elevation of said machine, showing the marking wheel as raised;

FlG. 3 is a top plan View of the machine; and

FIG. 4 is an end elevation of the machine.

Referring more particularly to the drawings, the reference numeral 1 indicates a concrete foundation behind a rolling mill (not shown) and serving as a base, being provided with an elongated pit or recess 2 having horizontal I-beams 3 atop each side and rails 4 mounted on said I-beams. An air cylinder 5 is horizontally positioned at one end of the rails 4.

Wheels 6 on shafts 7 are j-ournaled to a carriage 8 bearing an upright frame 9 formed by a pair of upright side plates 1i) spaced apart by the corner cross beams 11. A shaft 12 operatively connects the air cylinder 5 to said carriage 8 to move the same on the rails 4. Angles 13 bolted to the side plates 10 and projecting beneath the l-beams 3 restrain the frame 9 from tipping over during operation of the marker.

The plates 1l) of said frame 9 have a pair of aligned central orifices 14. Mounted on the outer sides of said plates and surrounding said orifices 14 are large ring gears l5 with outer teeth 16 adjacent vto arcuate slots 17 and 18 in said plates 1li.

Projecting toward the central oriices 14 is the marker Wheel assembly 19, comprising an outer air cylinder 20 on a housing 21 enclosing a sliding beam 22 carrying the marking wheel 23. Said assembly 19 is supported between the plates 1t! as shown in FIG. 3 and is traversable in opposite slots 1'7 (FIG. 2) within a range from horizontal to vertical by a handwheel 24 rotating a worm gear 25 meshing with a first (large) pinion 25a. A second (smaller) pinion 2511 is mounted concen'trically with said iirst pinion 25a on a common shaft 25e extending through said assembly 19 and engages the ring gear teeth 16. The worm gear 25 causes the assembly -to be self-locking in itself, but the assembly may be further secured by tightening the bolt 26 of a clamp 27. A cover 28 will serve to keep dirt out of the gears.

Similarly adjustable in the recess 2 and projecting upwardly toward the orifices 14 is the lower back-up as sembly 29. This likewise comprises an air cylinder 3l) and a housing 31 enclosing a sliding beam 32 which carries a lower back-up wheel 33.

This assembly 29 is similarly traversed in the opposite slots 18 within a range of about 25 to either side of vertical by a handwheel 34 rotating a worm gear 35 meshing with a first (large) pinion 35a. A. second (smaller) pinion 35h is mounted concentrically with said first pinion 35a on a common shaft 35e extending through said assembly Z9 and engages the ring gear teeth 16. Said aS- sembly 29 is secured in chosen angular position by the clamp 3e. Dirt is excluded from the ring gear teeth 16 by the protective cover 37.

A supplemental or alternative horizontal back-up Wheel 3S is also provided, the angular position of this assembly being iixed relative to the frame 9.

Suitably calibrated gage scales 4l), 41, 42, and d3, and pointers 44, 45, 4.6 and 47 will facilitate the adjustment of the marking wheel assembly and lower back-up wheel assembly to any desired angular positions.

It is often necessary to resume rolling and marking a section of particular shape and size, after an interval of rolling and marking some other type of section. Accordingly, whenever it becomes necessary to return to predetermined former angles of inclination for the marking wheel 23 and/-or the lower back-up Wheel 33, rough angular adjustments may be set according to the pointers 44 and 46 on the long arcuate gage scales 4l! and 42 numbered in degrees, and more exact final settings may be indicated by Vernier pointers 45 and 47 on the short gage scales 41 and 43.

The purpose of the individual back-up

wheels

33 and 38 is to enable either one of them to be used with the single marking wheel 23, for stamping clearly on different shapes and different locations on the shapes. For eX- ample, the webs of wide flange I-beams and channels are usually horizontal, and the flanges vertical, as they emerge from `the rolling mill. To mark one ange, ac- Cordingly, the marking wheel need only be traversed horizontally toward the fixed rear back-up wheel 3S. If it is desired to mark the webs of beams 0r channels, the marker wheel 23 may then be adjusted to a vertical position and used in conjunction with the lower back-up wheel 33, without the use of the rear back-up wheel 3S.

The lower back-up wheel 33 may also be used to support the underside of angular shapes such as angles and center sill halves during marking. ln such cases, it is often especially advantageous to be able (as here) to make precise adjustments quickly in the angular relationship between the marker wheel and the coacting bottom back-up wheel. While manual adjustment means are shown, they may also be motorized quite simply if required.

The lower back-up wheel 33 is preferably provided with a pair of oppositcly

beveled faces

48 and 49, as shown,

for the purpose of properly supporting the bottom sur- H faces of an angular workpiece.

If material leaving the rolling mill is not to be marked, the entire apparatus may be moved out of the path of such material by means of the cylinder 5, which can be actuated to move frame 9 laterally of the path of such material on wheels 6 traveling on rails rl.

I claim:

l. An apparatus for marking an elongated workpiece while said workpiece is in lengthwise motion, comprising a base, a carriage on said base, and means for horizontally traversing the carriage, wherein the improvement comprises:

(a) an upright frame on said carriage,

(b) an orice through said frame constituting a passage for the longitudinal travel of the workpiece,

(c) ring gear means on the frame surrounding said orice,

(d) a marking wheel assembly supported on said ring gear means and adjustable in angular relation to said workpiece,

(e) an independently angular adjustable back-up wheel assembly supported on said ring gear means, and

(f) separate means mounted on each said assembly for individually adjusting the angular positions oi the marking wheel assembly and the back-up wheel assembly relative to the workpiece,

(g) said separate means eachcomprising a worm gear, a first pinion meshing with said worm gear, and a second pinion secured to and concentric with said rst pinion, said Second pinion being in meshing engagement with said ring gear means, and means to rotate said worm gear.

2. In the apparatus claimed in claim 1, said independently adjustable back-up wheel having a pair of oppoJ sitely beveled faces for supporting the bottom surfaces of an angular workpiece.

3. The apparatus claimed in claim 1, in combination with an alternative back-up member, the angular position of which is fixed relative to the frame.

References Cited UNITED STATES PATENTS 1,649,812 1l/1927 Crompton lOl-248 XR 2,258,939 10/1941 Poche 89-37 2,619,030 11/1952 Doyle 101-6 2,901,970 9/1959 Knops et al. lOl-247 3,163,106 12/1964 Failor lOl- 6 FOREIGN PATENTS 673,813 11/1963 Canada.

ROBERT E. PULFREY, Primary Examiner.

H. DINTIZ, Assistant Examiner.