US3021018A - Coil turning device - Google Patents

Description

Feb. 13, 1962 H. D. PAXSON 3,021,018

COIL TURNING DEVICE Filed Jan. 6, 1958 5 Sheets-Sheet 1 1 7. 4e 24 19 4-7 56 35 9 3 26 Zr, 38 INVENTOR.

Homer 0. Paxson BYZIWWW A Home! Feb. 13, 1962 Filed Jan. 6, 1958 H. D. PAXSON 3,021,018

COIL TURNING DEVICE 5 Sheets-Sheet 2 43 45' 1 20 11 21 29 30 31 33 32 5,4 *Fgg,+

56"r [I] \/I/// I/ 38 38 4o 40 39 39 H U INVENTOR. 10 3 45 it 45' 4+ Homer 0. Pmtson BY ZZMWW A'i'fbr new Feb. 13, 1962 H. D. PAXSON COIL TURNING DEVICE 3 Sheets-Sheet 3 Filed Jan. 6, 1958 INVENTOR Homer 0. Paxson Aflorney m -ftie $321,915 Patented Feb. 13, 1962 3,021,018 COIL TURNING DEVICE Homer D. Paxson, P.0. Box 214, Salem, Ohio Filed Jan. 6, 1958, Ser. No. 707,160 3 Claims. (Cl. 214-1) My invention relates to coil turning devices, more particularly to devices for up-ending heavy steel coils in mills, fabricating plants, warehouses and the like, and the principal object of my invention is to provide new and improved devices of this character.

Most of the coil turning devices now on the market are heavy and bulky in order to withstand the stresses incident in up-ending coils. The heaviness and bulkiness not only detracted from appearance but also added to cost of the previous up-enders.

My invention provides a compact, neat-appearing coil up-ender which eliminates the above mentioned weight and bulkiness without sacrificing strength. Further, the coil up-ender of my invention protects the operating mechanism against damage caused by scale and dirt and by careless handling of the coils. These and other advantages will be apparent from the subsequent description and annexed drawings.

In the drawings accompanying this specification and forming a part of this application, there is shown, for purposes of illustration, an embodiment which my invention may assume, and in these drawings:

FIGURE 1 is a perspective view of apparatus showing a preferred form of my invention,

FIGURE 2 is a plan View of the apparatus shown in FIGURE 1, parts being broken away to disclose interior construction,

FIGURE 3 is a vertical longitudinal sectional view corresponding generally to the line 33 of FIGURE 2,

FIGURE 4 is a vertical, transverse sectional view corresponding generally to the line 4-4 of FIGURE 3,

FIGURES 5 and 6 are side elevational views, drawn to a smaller scale, showing the apparatus in its 'two positions,

FIGURE 8 is a generally schematic view illustrating the fluid circuit for the operating mechanism, and

FIGURE 7 is a perspective view of a pallet used in the operation of turning a coil.

The embodiment of the invention herein disclosed comprises a base 10 which is usually disposed in horizontal relation on a support, such as a suitable floor. The base is formed as a metal fabrication to provide light weight, compactness and attractive appearance and, in the present embodiment, includes a rectangular floor plate 11 (formed of one or more sections) preferably of a size equal to the outline and area of the base 10.

Longitudinally extending side sections 12 and 14 extend upwardly from the floor plate 11 and preferably are welded thereto. End sections 15 and 16 also extend upwardly from, and are welded to, the floor plate 11. The floor plate 11 and sections 12, 14, 15 and 16 form an open faced rectangular box and suitable exterior gusset plates 17 may be welded to their assembly for strength purposes.

Interiorly of the base 10, a pair of plates 18, 19 are welded in spaced, longitudinally extending relation and attention is particularly directed to FIGURE 8 of the drawings. Cross plates 20, 21 are welded cross-wise of the plates 18, 19 and of the interior of the base 10 to provide a rigid construction and to divide the base into interior compartments.

As best seen in FIGURES 2 and 8, a drive motor 22 (such as any suitable electric motor) is disposed in a compartment 23 at one end of the base 10 and may be bolted to the floor plate 11. An hydraulic pump 24 (of p any suitable commercially available construction) is disposed in another compartment 25 at this end of the base, the pump being bolted to an adjoining portion of plate 19 and the latter plate is apertured to pass the drive connection'26 between the motor 22 and pump 24. A sheetmetal tank 27 is disposed in an intermediate compartment 28 and this tank is adapted to act as reservoir for the fluid of the hydraulic operating system. The tank may be held in place by the inlet and outlet fittings which are connected thereto and which extend through suitable openings in a plate forming the intermediate compartment.

Actuating motors are disposed in compartments ,29,

29 at the other end of the base 10 and such motors preferably take the form of a pair of hydraulic cylinders 3030. The blank end of each cylinder is formed with a flattened extension 31 which closely fits between and is pivotally secured to a pair of plates 3232 which are welded to the end section 16. A cross-plate 33, in the ,form of a series of component plates, is welded between longitudinal plates 18, 19 and between the latter plates and one of each pair of plates 32. The cross-plate 33 further comprises short sections welded between the other of each pair of plates 32 and the side sections 12 and 14. A horizontal plate 34 ,(see FIGURE 3) may be welded between cross-plate 33 and end plate 16 in the line of thrust of the respective cylinders 30 to further add rigidity to the structure. As best seen in FIGURES 2 and 8 the cylinders 30, 30 are arranged in spaced parallel relation. A forked portion 35 is secured to the piston rod of each cylinder 30 and each portion is pivotally secured to an arm 36 which is welded to a cross-shaft 37. The shaft is of considerable diameter, as best seen in FIGURE 3, for a purpose which will later be apparent. The shaft 37 is preferably disposed midway between the end sections 15, 16 and each side section 12, 14 is notched to receive a bearing block 38 (see FIGURE 4) which is welded thereto and to the gusset plates 17. The shaft 37 has end portions 39 of reduced diameter which are rotatable within bearings 40 carried by respective blocks 38. The shoulders 41 formed by the reduced end portions 39 are abutable with respective bearing blocks to restrict axial movement of the shaft 37.

In order to protect the operating mechanism from dirt, scale and the like normally found in abundance in a mill or shop because of the character of the work being handled, a protective plate or deck 42 is provided to cover such working parts. It will be appreciated that the deck not; only protects the operating parts against dirt, scale and the like, but also protects such parts from damage which may be caused by careless handling of coils and tools. In addition, the deck 42 greatly enhances the appearance of the coil turning device since all operating parts and their connections are hidden from view. 7

To support the deck 42, a peripheral ledge is formed on the interior of the open box comprising the base 10, and such ledge is preferably formed by angle irons 43, 43 secured to respective end sections 15, 16 and by angle irons 44, 44 secured to respective side sections 12, 14. The angle irons 44 are inclined downwardly toward the center of the base to provide clearance for the crossshaft 37. The deck need not be made of excessively heavy material and it has been found that sheet steel of about one-quarter inch thickness is suitable. It will be appreciated that the deck may be formed of one or more sections of sheet and that it may be secured (preferably detachably) to the angle irons 43, 44 in any suitable manner. Since the cross-shaft 37 overlies the deck 42, slots 45 (see FIGURE 4) are formed therein to pass the arms 36 which extend from the shaft 37.

Ledge plates 4646 are welded to the upper edges of respective end sections 15, 16, and to adjacent gusset plates 16, and similar ledge plates 47, 47 are welded to upper edges of respective side sections 12, 14 and to adjacent gusset plates 17, the ledge plates providing a trim appearance and also acting as stops as will be later apparent.

The coil turning device includes a pair of supporting surfaces which are rigidly fixed in angular relation and rotatable about the axis of the shaft 37. As herein disclosed, a pair of steel supporting plates 48, 49 are rigidly connected in generally ninety degree relationship to form 'an upwardly facing V-shaped support. Each plate is of an overall size to overlie and generally cover about onehalf of the open face of the base with the free end and side marginal portions abutable with the ledge plates for support. The cross-shaft arms 36 are notched, as shown at 50 in FIGURE 3, so that the inner marginal portions of the plates 48, 49 may abut and engage the cross-shaft 37.

Each supporting plate is strongly reinforced by underlying rib sections, as best seen in FIGURES 3 and 4. A plurality of rib sections 51 extend in parallel relation and normal to the axis of the shaft 37, each section being welded to the under surface of the respective supporting plate and having a curved inner extremity 52 formed with a semi-circular socket to receive the adjoining portion of the shaft 37. Each curved inner extremity is welded to the shaft to rigidly connect each supporting plate 48, 49 thereto. The curved inner extremities 52 of each supporting plate meet at 53 (see FIGURE 3) and may be welded to each other at such meeting place.

Cross-ribs 54, 55 and 56 are welded between the rib sections 51, the ribs 54 being disposed inwardly of the end marginal portion of each plate so as not to interfere with the seating of such marginal portion on the ledges 46, 46. It will be noted, as best seen in FIGURE 4, that the outer rib sections 51 are spaced inwardly of the said marginal portions of each plate so that such portions may seat on the ledges 47, 47.

As seen in FIGURE 3, the rib sections 51 increase in width in a direction toward the shaft 37, the undersurface of each rib slightly clearing the upper surface of the deck 42. The cross-ribs 54, 55 and 56 are also of increasing width to properly clear the deck 42.

Since the supporting plates 48, 49 are rigidly connected in generally ninety degree relationship, when plate 48 is in horizontal position resting on the left hand ledge plate 46 and left hand side of ledge plates 47 (FIGURE 3), the plate 49 will be disposed vertically. When the shaft 37 is rotated clock-wise, the supporting plates will assume the position shown in FIGURE 6, wherein the plate 48 is now vertical and the plate 49 is horizontal and rests on the right hand ledge plate 46 and the right hand side of ledge plates 47. The supporting plates are moved to the two positions shown and just described by controlled actuation of the hydraulic cylinders 30.

The hydraulic operating circuit may be connected as shown in FIGURE 8 wherein a line 60 leads from the reservoir tank 27, a suitable strainer 61 being inserted to remove foreign material from the liquid. The line 60 leads to the inlet of the pump 24 and the outlet of the pump is connected, by a line 62, to the inlet of a valve 63. An operation handle 64 is provided for manual operation of the valve 63. The exhaust of the valve 63 is connected, by line 65, to the reservoir tank 27.

A suitable regulatable fiow control valve 66 is interposed in return line 65 and this valve has a bleeder line 67 returning to the reservoir tank 27. The outlets of the valve 63 are connected to lines 68, 69 which, in turn, have branch connections to respective opposite ends of the cylinders 30, 30.

The drive motor 22, pump 24, strainer 61, control valve 63, and flow control valve 66 may be of standard commercially available types and, since their construc- 4 tion per se does not form part of this invention, detailed description thereof is believed unnecessary.

With the drive motor 22 operating, the pump 24 will force liquid under pressure through the line 62 to the control valve 63. With the valve 63 in off position, no liquid will be delivered through the outlet lines 68, 69 and therefore the coil supporting surfaces 48, 49 will remain at rest.

When the control valve is moved to one of its operating positions, pressure liquid will be admitted to one of the outlet lines 68, 69 and the other outlet line will be exhausted to the reservoir tank 27 by return line 65. For purpose of example, it will be assumed that the control valve 63 has been moved to its position wherein pressure liquid is admitted to outlet line 68, whereupon such liquid under pressure is admitted to the blank end of cylinders 30, 30, the rod end of the cylinders being connected to exhaust by return line 65. The pistons in the cylinders 30, 30 will therefore be moved toward the rod end of such cylinders, therefore transmitting a thrust to arms 36 and in turn rotating cross-shaft 37 clock-wise. Such movement of the shaft will elevate support plate 48 from horizontal to vertical position and simultaneously move support plate 49 from vertical to horizontal position.

When the control valve 63 is moved to its other operating position, pressure fluid will be admitted to line 69 and line 68 will be connected to exhaust. Thus, the shaft will be rotated counter-clockwise to return the supporting plates to their position shown in full lines in FIGURE 3. The flow control valve 66 may be adjusted so that any selected speed may be imparted to the movement of the supporting plates from one position to the other.

The supporting plate 48 is preferably formed with a pair of spaced ridges extending from its upper surface. Such ridges may be formed in any suitable manner and preferably take the form of wooden or metal cleats 70, 70 which are arranged in parallel, spaced relation, as best shown in FIGURE 1, the longitudinal axis of such cleats preferably being substantially normal to a plane including the axis of the shaft 37. The inner ends of the cleats preferably stop short of abutment with the supporting plate 49 to provide a space 71 therebetween. The spaced ridges or cleats 70, 70 form a cradle for receiving the side of a coil and for holding the coil against rolling action.

In use, the supporting plate 48 is normally disposed horizontally and a coil C, such as a coil of sheet-steel, is disposed on the plate 48 and between the cleats 70. Since coiled sheet steel is quite heavy, the horn 72 of a lift truck (not shown) may be moved into the eye of the coil and the coil may be thus supported and maneuvered into position on the supporting plate 48. A pallet 73 is positioned between the supporting plate 49 and the adjacent end of the coil C supported on the plate 48. The pallet may be formed of wood or metal and, as shown in FIGURE 7, preferably comprises a platform 74 and a pair of spaced runners 75 secured to and extending from the underside of the platform.

The pallet is disposed with its platform 74 directed toward the end of the coil C and an operator then manipulates the valve 63 to rotate the supporting arms from the position shown in FIGURE 5 to the position shown in FIGURE 6.

As the plate 48 is elevated to an angle whereby friction between the coil C andthe cleats 70, 70 is overcome, the coil if it is not already tightly against the pallet, will slide endwise along the ways provided by the cleats 70, 70, to push against the pallet and to force the latter against the supporting plate 49. When the supporting plates have been rotated clockwise to dispose the plate 49 horizontally, the coil C will be supported on the plate in endwise relation, the pallet being disposed between the lower end of the coil and the plate 49.

It will be noted, as seen in FIGURE 6, that the runners 75 engage the supporting plate 49 and therefore provide a space to pass the forks 76 of a lift truck 77, whereupon both pallet and coil may be removed from the plate 49.

The supporting plates may then be rotated counterclockwise to repeat the foregoing operation. In the event it is desired to turn a coil from end to side, the lift truck 77 may dispose a coil and pallet on the device so that they are disposed on the supporting plate 49 in the relationship shown in FIGURE 6. The supporting plates I are then rotated counter-clockwise t the position shown in FIGURE 5, and the horn 72 of the lift truck entered into the coil eye, whereupon the truck may lift the coil from the supporting plate 48.

In view of the foregoing it will be apparent to those skilled in the art that I have accomplished at least the principal object of my invention and it will also be apparent to those skilled in the art that the embodiment herein described may be variously changed and modified, without departing from the spirit of the invention, and that the invention is capable of uses and has advantages not herein specifically described, hence it will be appreciated that the herein disclosed embodiment is illustrative only, and that my invention is not limited thereto.

1 claim:

1. A compact coil turning device, comprising a metal fabrication providing a horizontally disposed open faced, closed bottom rectangular box, said fabrication having longitudinal and cross bracing members which provide a plurality of compartments at either end of said box and an intermediate compartment, a drive motor and a hydraulic pump disposed in compartments at one end of said box, said pump being supported from a bracing member forming said compartments and connected to said drive motor, a liquid reservoir in said intermediate compartment and a pair of hydraulic cylinders in the compartments at the other end of said box, a shaft supported for rotation across the open face of said box approximately midway of the ends of the latter, link means connecting each of said hydraulic cylinders to driving relation with spaced parts of said shaft, a pair of steel plates, each of a size to overly and close approximately one-half of, the open face of said box, said plates being rigidly connected to said shaft and extending therefrom generally ninety degrees apart to provide an upwardly facing V-shaped support which is rotatable to dispose one or the other of said plates in generally horizontal relation overlying said box, valve means for controlling flow of pressure liquid pumped from said reservoir to said cylinders, a horizontally disposed plate being adapted to receive a coil disposed sidewise thereon and said coil being transferred to endwise support on the other plate when said support is rotated to move said other plate to horizontal position.

2. The construction according to claim 1 wherein one of said plates is provided with spaced ridges extending normal to the axis of rotation and forming a cradle for receiving the side of a coil and for holding the latter against rolling action.

3. The construction according to claim 2 wherein a cover plate closes a lower portion of said box and overlies and protects said drive motor, pump, reservoir and hydraulic cylinder from damage.

References Cited in the file of this patent UNITED STATES PATENTS 2,331,374 Campbell Oct. 12, 1943 2,520,252 Mutchler Aug. 29, 1950 2,567,819 Matteson Sept. 11, 1951 2,597,246 Kelly May 20, 1952 FOREIGN PATENTS 148,895 Sweden Feb. 15, 1955

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