US634528A

US634528A - Press for shaping metal.

Info

Publication number: US634528A
Application number: US69036798A
Authority: US
Inventors: John Lanz
Original assignee: CARNEGIE STEEL Co Ltd
Current assignee: CARNEGIE STEEL COMPANY Ltd; CARNEGIE STEEL Co Ltd
Priority date: 1898-09-06
Filing date: 1898-09-06
Publication date: 1899-10-10
Anticipated expiration: 1916-10-10

Description

No. 634 528` Pa'teted Oct. i0 R899.

J. LANz.

PRESS FOR SHAPING METAL v (Application led. Sept. 8, 1898.), (No Modl.) 3 Sheets-Shee I.

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No. 634,528. Patented Oct. l0, i899.

J. LANZ.

PRESS F03 SHAPING METAL.

(Application led. Sept. 6, 1898.)

3 Sheets-Sheet 2,

(No Model.)

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No. 634,528. Patented Det. I0, i899.

J. LANz. Y PRESS FDR SHAPING METAL.

(Applicazin med sept. e, 1895.

' 3 sheets-sneer 3,

No Model.)

INVENTOR WITNESSES UNITED'v STATE-s PATENT OFFICE.

JOHN LANZ, 0F PITTSBURG, PENNSYLVANIA, ASSIGNOR TO THE CARNEGIE I STEEL COMPANY, `LIMITED, OE SAME PLACE.

PRESS FOR SHAPING META- L SPECIEVICATION forming part of Letters Patent No. 634,528,"dated Oei-,ober 10, 1899.y

A Y Applicant nel sepemtr e, rees., sarai no. 690,367. montan.; j A

burg, in the county of Allegheny and VState l of Pennsylvania, have invented a new and useful Improvementin Presses forShaping Metal, ofwhich thefollowing is a full,clear, and exact description, reference being had to ,the accompanying drawings, forming part of this specification, in whichv Figure 1 is a side elevation, partly in section, of my improved press. Fig. 2is ahorizontal section on the line II II of Fig. 1. Fig. 3 is a vertical cross-section of the press. Figs. 4, 5, and 6 are detail sections showing the shape ofthe dies and of thev'beam near the base of thel tapering portion, at the middle of the tapering portion, and near its end, re-

. spectively; and Fig. 7 is anvelevation of the finished pole, partly broken away.

My invention relates to the bending and shaping ofchanneled Vbeams and other shapes,

such as grooved bars, into articles such as` telegraph-poles, span-wire poles for electric railways, architectural columns, tbc.; and it z 5 consists in an improved machine for carrying Vout this operation.V Y 4 In the drawings, 2 represents the base-plate of the machine, having at each side vertical standards U3, which support the top plate 4.

3o 5 is a longitudinal die-holder secured to the base-plate and having Alongitudinalribs,.between which is held the bottom die 6 by means of the set-screws 7 This die is provided with V a central longitudinal channel'which is ta-f pered and increaseslindepth and width from one end toward the other, The portions at the sides ofthis channellare formed into ribs 8, which rise above the main plane of the top of the die ,and are gradually increased in 4o height and decreased in width from one end of the die toward the other. The sides of the die-body beyond these ribs are gradually Ata-v pered in width and are shaped to receive the lianges of the beam. These sides are pro-` vided with 'recesses placed at suitable intervals apart and in which' are placed set-screws 9, having washers beneath theirheads, these screws acting Aas adjustable gages for the beam being shaped. The upper die is made 5oy in three parts,the two outer longitudinal portionsr 1Q b10 being secured tothe bifurcated links 11, which form the lower members of toggle -levers having corresponding upper members 12. l These'upper members are pivoted to the upper portionr of the frame, and the several levers are. connected by rods 13, which are adjustable in length,'asshown. These toggle-levers are operated by a lever 14., pivoted at the end of the machine andl connected with the end toggle-lever by a link l15, this lever being operated by the motive cylinder 16, supported upon the top of the ma chine and having link connections 17 with the lever.

` The two legs'of each bifurcated lower mem- A ber of the toggles are connected by square bars 18, wh ich are guided within vertical slots f in longitudinal box-guide 19, placed between these legs and secured rigidly to the frame of the machine.' The central upper die 2O is iitted between the side dies and is secured to the lower members 21 of another set'of tog- Agles, which areoperated by a motive cylinder 22, the connections between: the cylinder and 'the toggles being similar to that above described for the side dies. This middle die is provided with vertical slots for the passage .of the bars 18, so that it may move independently ofthe side dies. e 4

The beam is fed into the machine over feed-v lrollers 23 and between a pair of rollers 24, thelower of which may be moved vertically.

kby yoke connections with thelmotive cylinder 25', the face of the upper roller being slightly above the level ot the beamY as it passes into 'the machine. Within the ,machine are provided guide-rollers 26, which contact with the lianges of the beam and guide and support it in place on the lower die. The beam is' stopped Vat the proper place upon the die by 'a stop 27, secured to a swinging U-shaped frame 28, pivoted at Z9 and connected with the journals of the lower roll 30, which is located at the Yexit end of the` machine and has yoke conwith a roller S2, which, asathe frame is moved l upwardly, contacts with the projecting end of the shaped beam and lifts it after theA upper dies have been retracted. vIu'order to IOO ' prevent the feed-rollers 24E and 30 from inj uring the hot' beam, I preferablyprovide*limiting-stops for the bearings of these rolls.V

-f In order to prevent the shaped beam from being lifted by the upper dies asfthey rise, I provide a stripper-bar 33, beneath which the yend ofthe beam liesthis stripper being a perend with an adjustable stop 86, which is contactedwith by the set-screw 37 upon the lever I4, so as to limit the movement of this lever, and consequently regulate the amount of descent of the side dies. A similar device is provided for the lever of the middle die.

The operation is as follows: The beam having been passed into the machine with its end Y against the stop, the lever is positioned so that the lever llt will contact with it,and motivefluid then being admitted to the cylinder 16 the upper side dies will be moved down a part of 'their stroke, as indicated by dotted linesin Fig. 6. Motive iuid then being admitted to the other cylinder 22,the middle upper die is forced down so as to shape the centralH tapering channel in the beam. The upper side f dies are then `moved down their entire distance, the stop upon thelever 35 having been thrown aside, and the final shape is given to the web ofthe beam. The, descent of the side dies is then regulated by the set-screw 37, which strikes the frame of the machine. The upper dies then being retracted, the roller 30 is lifted, and the roller 32, striking the end of the beam, lifts it free from the lower dies. The lower roll 24 is then lifted, and the upper roll 24: being rotated the beam is grasped between them and being fed forward enters the bite of the rolls 30 and 3l and is drawn out of the machine. A tapered post or beam is thus formed, and this tapered portion preferably extends for about one-half of the entire length of the pole, which I have shown as formed from an I-beam, the article being shown in Fig. '7.

The advantages of my invention will be apparent to those skilled in the art, since a channeled beam or other shape may be quickly and easily shaped into a form suitable for posts for span-wire columns and similar purposes.

The particular form of pole which I have shown is of special advantage, as it tapers from about its middle portion to the top and is of great strength and stiffness, while it may be easily and cheaply formed from commercial beams.

The taper of the beam may be formed by cutting out a wedge-shaped piece from the web and pressing the outer portions together, or by folding the web upon itself, or rolling a beam with a longitudinal corrugated web and then forcing the corrugated portion together, orspreadingthe same by straightening the corrugation. Further, rthe distance between the standards 3 may be increased whenr desired by increasing the length of the top plate a and either increasing the length of the base 2 or providing a separate base-plate for each standard, or a greater number of standards may be provided wheny necessary. Many other changes may be made in the form and arrangement oi' the machine,

' as well as in the shape of the beam, without departing from my invention, since I claiml.V A shaping-press having a longitudinal die, a Vreciprocating middle die coacting therewith, two separate outer dies at kthe sides of the middle die, said outer dies being rigidly connected to each other by cross-arms and coactin g with the longitudinal die, andmechanism for reciprocating the outer dies independently of the middle die; substantiallyas described. f 2. In a press for shaping beams, a lower longitudinal die arranged to act upon the web of the beam, and having a longitudinal ta-V pering recess, a middle upper die arranged to coact with the recess to form a tapering channel in the web of the beam, a pair of upper side dies at the sides of the middle die,

' and rigidly connected together, and-mechan- IOO ism for reciprocating the middle upper die andthe upper side dies independently of each other; substantially as described.

3. In a press for shaping beams, a lower longitudinal die arranged to act upon the web of a beam, and having a longitudinal tapering recess, a middle upper die arranged to coact with the recess to form a tapering channel in the web of the beam, a pair of upper dies at the sides of the middle die and rigidly connected together, said side dies being arranged to act upon the web of the beam atv the sides of the channel, and actuating toggle connections for the middle upper die, and the upper side dies; substantially as described.

4. In a shaping-press, alower longitudinal die, a middle upper die, two upper dies at the sides of the middle die, and rigidly connected together, actuatingtoggle connections for the middle die, and separate toggle connections for the connected side dies, the upper bearings of one set of toggle-links being separate from those of the others; substantially as described.

5. In a shaping-press, a pair of upper side dies secured to the bifurcated -members of toggles, means for operating the toggles, a middle upper die having vertical slots through which extend cross-bars connecting the legs of the bifurcated members of the toggles, and another set of toggles arranged to actuate the middle upper die; substantially as described. i

IIO

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6. A shaping-press having atener end a neeted to the lower roller and having a lftswinging stop pivoted upon an axis below the ing-arm arranged to lift 'the metal; substanlevel of its contacting portion, said stop havtially as described.' l ing a lower lifting-arm, and mechanism for In testimony whereof I have hereunto set 5 swinging the stop upwardly from in front of my hand.

the metal, and thereby atthe same time lifting the metal substantially as described.

7. A shaping-press having a pair of rollers Witnesses: at the exit end,'1neans for moving the lower GEORGE B. BLEMMrNG, xo roller vertically, and a swin ging stop oon- Lk. M;l REDMAN.

JOHN LANZ.