US1086577A - Combined punch and forming press. - Google Patents

Description

J. H. AUBLE.

COMBINED PUNCH AND FORMING PRESS.

APPLIOA'I'ION FILED MAY 29, 1912.

Patented Feb. 10, 1914.

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COLUMBIA ILANOGRAPII I J. H. AUBLE.

COMBINED PUNGH AND FORMING PRESS.

I APPLICATION FILED MAY 29, 1912.

1,086,577, Patented Feb. 10, 1914.

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OOMBILIED PUNCH AND FORMING PRESS. APPLIOATION FILED MAY 29, 1912.

1,086,577. Patented Feb. 10, 1914.

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JAMES H. AUBLE, OF CINCINNATI, OHIO, ASSIGNOR OF ONE-HALF TO HARRY A. BARRETT, 0F CINCINNATI, OHIO.

COMBINED PUNCH AND FORMING PRESS.

Specification of Letters Patent.

Patented Feb. 1Q, 191st,

Application filed May 29, 1912. Serial No. 700,383.

To all whom it may concern:

Be it known that I, JAMES H. AUnLn, a citizen of the United States, and a resident of Cincinnati, in the county of Hamilton and State of Ohio, have invented a certain new and useful Combined Punch and Forming Press; and I do declare the following to be a clear, full, and exact description of the invention, attention being called to the three sheets of drawings, which accompany this application and form a part thereof.

This invention concerns presses used for working sheet-metal.

The leading feature of the invention consists of means whereby such a press is rendered capable of being used for punching as well as for forming and drawing purposes. In connection. with this feature the invention includes mechanism for operating the press and features of construction relating to the general structure.

In the following specification and particularly pointed out in the claims at the end thereof, will be found a full description of my invention, together with its operation, parts and construction, which latter is also illustrated in the accompanying drawing, in which Figure 1, shows a front-elevation of my improved press. Fig. '2, is a side-elevation of the same. Fig. 3, is a vertical cross-section taken on a plane parallel to the plane of view shown in the preceding figure. Fig. l, is a top view of the press with parts broken away. Fig. 5, is a horizontal section taken above the ram of the press, and on a line as shown at 55 of Figs. 1 and 3. Fig. 6, is a similar section taken below the ram and above the table of the press, see line of section shown at- 6-6, Fig. 3. Fig. 7, is another horizontal section taken through the base of the press below the table and on a line shown at 7-7 of Fig. 8. Figs. 8, 9 and 10, show an enlarged scale of certain details of construction, fully described hereinafter. of devices used to take up wear between certain moving parts (ram and table) and their guides.

In the drawing, A indicates the ram, op-

erated by shaft B, to which it is attached by link-connection C. The shaft is provided with the usual eccentric portion 6, or its equivalent, whereby the movement of the ram, reciprocatory with respect to table I),

is effected. E is the base of the press where by this table is supported. It consists of a shell substantially cylindrical, rigidly held in a fixed position and open at the top, the table being correspondingly open in its middle portion, to permit positioning within it of an auxiliary support in form of 2,. pedestal F which is entirely independent of the table. This pedestal consists of separably connected sections 7'', to permit of its height being adjusted and it may also be entirely removed, its lowermost section being detachably connected within the base as shown at 11. From the underside of the table there depends a cylindrical neck (Z, screw-threaded on its outside,which thread is engaged by the complementary thread of a screw-shell 12, fitted for rotation into base E and resting with its lower edge upon a shoulder therein and by preference upon interposed roller-bearings 13. It is vertically confined in this base, its upper edge being held by keys 14. It will now be seen, that table D may be raised if member 12 is rotated in a direction accordingly and it may also be held in such raised position by stopping rotation. of member 12, means of course being provided, to be presently described, whereby the table is prevented from following the rotation of member 12. Lowering of the table is effected by rotation of member 12 in reverse direction. This rotation of member 12 may be eifected in any -avail able manner as for instance by suitable gean' connection, for which purpose an annular row of gear-teeth 15 is provided around the outside of it. A reversible pinion in mesh with these gear-teeth, or areversible worm, the gear-teeth being shaped accordingly, might be used for co-action therewith, but by preference I use a driving-member G, splined upon a shaft 16, which is supported in bearings 17 on the outside of the base. This driving-member is provided with a driving-element g at each end, they being substantially cone-frustums, each having a helically pitched shoulder or step which starts at one of their ends, and inclined to the plane of rotation, extends around their side to the other end, the inclination of one being opposite to that of the other.

Adjusting means are provided whereby the driving member may be shifted on shaft 16 and held in position, that either'none, or either one of the driving cones contacts lat erally with teeth 15 in member. 12.. In the intermediate position shown in Fig. 7 no action will be transmitted to member 12, but if one cone is shifted against oneside of teeth 15, table D will be raised and if the other cone is shifted in contact with the opposite side of the teeth, the table will be lowered. The rotation of shaft 16 is in no wise affected by these adjustments and proceeds unalterably in the same direction, irrespec' hive of this change of position of member G.

A preferable shifting device consists of two wedge rings 18, loosely mounted upon shaft 16, one ring opposite each end of driving member G, and longitudinally confined between these ends and between shoulders 19, rigidly positioned. These shoulders may be connected for such purpose to bearings 17. The opposite surfaces of these rings 18 and of shoulders 19 are shaped as shown, that is provided with spaced wedge formations, presenting complementary inclined cam-surfaces which are in'eng'agement with each other. Means are provided for rotarily shifting the rings simultaneously in either direction and whereby, and due to the reaction bet-ween one of the rings and its complementary shoulder, the drivingstructure is shifted lengthwise on shaft 16 and in either direction, according to which one of the rings acts at the time. For so .actuating these wedgerings, lugs are provided on them and by means of links 21, they are connected to arms 22, rigidly mounted upon a rocker-rod 23, supported in bearings 24. A lever-handle 25 is operatively connected to this rocker-rod for manipulation and provided with conventional locking-means as shown to hold the parts in adjusted positions. Inasmuch as both rings are shifted simultaneously and are always in contact with their complementary opposite shoulders, driving-member G is always fixedly held on shaft 16, in either of its adjusted positions.

Shaft 16 constitutes the driving-shaft of the press, it being rotated by suitable means such as a pulley 26 aided by a fly-wheel 27. A-pinion 28 on this shaft meshes with a gear 29, loosely seated on the ram-shaft B. 1 suitable clutch device within a housing 31, servesto connect this gear to the ram-shaft whenever actuation of the ram is desired. This clutch is operated'by a trigger 32,when acted upon by projections 33 on a rod 34: 'manipulatedby a .treadle 35. At the beginning of operations driving shaft 16 is started, effecting rotation of driving-member G, which, whenever required is adjusted, table D, as well .as of gear 29, which serves to actuate the ram-shaft. Either one of these press-elements may now be used or manipulated,-thetable by action on lever-handle 25 and the ram,'by acting upon treadle 35, no change whatsoever taking place with referencetothe rotation of "main-driving shaft pound die,

16. For punching or pressing when the ram only acts, operations are started by action upon the clutch by means of treadle 35 in a manner customary in presses, a punch or male-die having been affixed to the underside of the ram. The lower die may rest upon table D, or upon pedestal F, or upon both, they being then in aposition as shown in Fig. 3, that is both being alined. hen blanks are to be punched, the lower die may be supported upon table D, direct or by means of an interposed bolster-plate. The construction of the clutch is such, proper manipulation of the treadle being had accordingly, that the ram may be kept going, or it may be caused to stop up at each complete punching stroke. It may also be stopped atthe'half stroke, that is at the end of the downward part of its movement and in its lowest position, when the press is to be used for certain kinds of work as will be presently explained. If necessary the pedestal may be removed to be out of the way of any blanks punched out and to permit them to drop into the hollow base from which they are removed through an opening 36 provided therein. Inasmuch as the stroke of this ram is of fixed extent, it may be adjusted to the position of the work by shortening or lengthening links 0, as is customary in punching presses. This-adjustment. by means to be presently described, may be augmented by moving, that is raising or lowering accordingly, table D as shown in Figs. 1 and 2. Driver G is used for that purpose, it being rendered active by manipulation of lever-handle 25 in a manner to cause rotation of screw-shell 12 in the particular direction and so as to move the table as required. The table is held in its adjusted position by shifting driver G into its intermediate position as shown in Figs. 2,

6 and 7.

of which is greater than the stroke of the 1 ram, or when compound dies are to be used, or for imparting lateral impressions in the work, the active factors of the press viz. ram A, table D and pedestal F, may be arranged and adjusted so as to co-act with each other in various combinations. For instance the ram may be used to act upon the work and against the lower die to the ex tent of its possible movement, after which the table is caused to move toward the ram and so as to draw the work to a greater depth, the ram being held stationary in its low position until the operation is completed, this being accomplishedby manipulating accordingly the clutch on the ramshaft followed by adjustment of driver G. Or the table may be used to act upon'a comto form lateral impressions, the work being held immovable below the ram and between "it and the-table or the pedestal,

the ram being held in its low position as before.

Among the important structural features are the tie-posts 37, which connect the substructure or base to the superstructure or top which supports the ram-operating shaft. These posts are seated in sockets 38 pro vided in the base and of which by preference they form integral parts. The lower ends of these sockets are enlarged to form shoulders and the posts are held in these sockets by nuts 39 on them, which bear against these shoulders. See Fig. l. Projecting above the base, these posts pass through cars 41 on table I), thus serving as a means to prevent rotation of the same and forcing it to move in an axial direction when acted upon by screw-shell 12. At their upper ends, these posts are reduced in diameter and form shoulders which receive upon them the upper halves 4-2 of the ram-shaft bearings. The lower halves d3 of these bearings are connected to the underside of these upper halves. The two shaft bearings are connected to each other by tie-bars 44, which also engage the tie-posts, and nuts 4-5 on top of these bars are used to complete the connection to the posts.

As will be seen, the top of the press consists of a rigid, rectangular frame formed by the two shaft-bearings and the two tiebars which connect them. The re-action of the ram-tiln'ust is thus effectually counteracted and taken up by the tie-posts, two of which connect to the upper half of each shaft-bearing, one on each side of the shaft, thereby holding this latter firmly in position with reference to the base of the press. These tie-posts serve also as a means to guide ram A dining its operation, the same being provided with channeled guides at, which are fitted against the posts so as to run on them. Immediate contact is by gibs in form of overlapping tubesegments 46, shown in Figs. 8 and 9, and wedge-shaped transversely. They are seated in recesses in these guides and may be adjusted to take up wear by means of set-screws 47. Similar gibs 48 are used where table D runs on these posts as shown in Fig. 10. They are seated in recesses formed around the posts in ears 41 and held in position by caps 49.

The links C, two being used by preference, consist each of an upper knuckle 51 whereby they are connected to the eccentric portion of the ranrsliaft and a lower knuckle 52 which connects them to the ram. A right and left handed screw 0 connects these knuckles of each link and renders the length of these links and the position of the ram with reference to the work adjustable. These screws 0 are connected to each other for simultaneous adjustment by a suitable operative connection as for instance by two gears 53, an implement, suitably fitted, being used to move one of them.

Lock-nuts 54, seated on these screws, serve to hold the adjustment when moved against the knuckles. Each of the lower knuckles has a. laterally projecting journal-pin 55 and by which pins the articulated connection of the links to the ram is effected, bearings 56 being used in which these pins are seated and which bearings are adjust-ably connected to the ram by set-screws 57. Lost motion, due to wear in this joint, may be taken up by moving these hearings, also by adjusting wedges 58, two of which are fitted under each one of the lower knuckles, these wedges being adjustably held in position by set-screws 59.

Having described my invention, I claim as new:

1. In a press, the combination of a base permanently held in a fixed position, a work-supporting table adjustably mounted thereon, an independent auxiliary worksupport immovably supported on the base, a ram and means to reciprocate the same with respect to the table and to the auxiliary immovable work-support.

2. In a press, the combination of a recip rocatory ram, a hollow base permanently held in a fixed position below the same, a table arranged between the two and provided with a screw-threaded neck which extends into the base, a complementary screwthreaded member in engagement with the screw-threaded neck of the table, means whereby the same is mounted for rotation on the base in a vertically fixed position and means to rotate the screw-threaded member.

3. In a press, the combination of a base, a table, devices to adjust its position on the base, a ram provided above the table, a shaft to which it is connected for operation, a driving-shaft for the press, machine-ole. ments whereby it is operatively connected to the table-adjusting devices and additional machineelernents whereby it'is also operatively connected to the ramshaft.

4.. In a press, the combination of a base, a table, devices to move it on the base, a ram provided above the table, a shaft to which it is connected for operation, a driving-shaft for the press, mechanism whereby it may be operatively connected to the tablemoving devices to actuate them, additional mechanism whereby it may be operatively connected to the ram-shaft to rotate the same and means for each of these mechanisms whereby the connection of each is independently controlled.

5. In a press, the combination of a ram, a movable table, a gear-element operatively connected in a manner to be capable of cansing movement of the table, a driving-shaft and a drivingmember adjustably splined thereto supported opposite the teeth of this gear-element and comprising two conical driving elements spaced from each other and each having a helically pitched shoulder around its side, the pitch of the shoulder on one element being in a direction opposite to that of the shoulder on the other one, the shoulder of each driving element being adapted to engage the sides of the teeth of the gear-element, one shoulder, one of these sides and the other shoulder, the other side, and means to adjust and hold the driving member on the driving shaft, so that none of these shoulders, or one of them only, is in engagement with the teeth of the gearelement.

6. In a press, the combination of a ram, a movable table, a driving-shaft, a gear-element operatively connected in a manner to be capable of causing movement of the table and supported to rotate in a plane parallel to the axis of the driving-shaft and coincident therewith, two spaced conical drivingelements connected to rotate with said shaft and axially adjustable thereon, each element having a helically pitched shoulder around its side, the pitch of the shoulder on one element being in a direction opposite to that of the shoulder on the other element, the shoulder of one drivingelement being adapted to engage one side of the teeth of the gear-element and the shoulder of the other driving-element being adapted to engage the other side of these teeth and means to adjustably position the driving-elements and each with reference to the particular side of said teeth which it is adapted to engage.

7. In a press, the combination of a ram, a movable table, a gear-element operatively connected in a manner to be capable of causing movement of the table, a driving-shaft, a driving member adjustably splined thereto and adapted to rotate the gear-element in opposite directions, shoulders provided with inclined cam-surfaces rigidly positioned opposite each end of the driving member and spaced therefrom, wedge-rings, one adjustably mounted in the space opposite each end of the driving member, they being also provided with inclined cam-surfaces opposite those on the shoulder mentioned and in complementary engagement with them and means to actuate these wedge-rings so that they may co-act with either one of said shoulders to shift the driving member in either direction.

8. In a press, the combination of a ram, means for reciprocating the same, an adjustable table, a machine-element mounted for rotation in reversible directions and operatively connected in a manner to be capable of causing movement of the table in either direction with reference to the ram, a main-drivingshaft, means to rotate the same in one direction, an adjustably positioned drivingelement in operative connection with said shaft and adapted to actuate ably connected.

the machine-element mentioned and means to adjust the position of this driving-element so that it imparts no rotation to the machine-element mentioned or rotation in either direction.

9. In a press, the combination of a ram supported for reciprocatory movement, a table supported so as to be adjustable with reference to the ram, a machine elementmounted for rotation in reversible directions and operatively connected in a manner to be capable of causing movement of the table with reference to the ram, a main drivingshaft, means to rotate the same in one direction, a ram-actuating shaft operatively connected to the main driving-shaft and to the ram, an adjustably positioned drivingelement also operatively connected to the main driving-shaft and adapted to actuate the machine-element mentioned and means to adjust the position of this driving-ele ment so that it imparts no rotation to the machine-element mentioned or rotation in either direction.

10. In a press, the combination of a ram, a shaft to which it is connected for reciprocation, a hollow base below the same, a table provided with a screw-threaded neck which extends into this base, a complementary screw-threaded member in engagement with 9 the screw-threaded neck of the table and mounted for reverslble rotation in the base in a vertically fixed position, means to rotate this screw-threaded member, a driving shaft ft the press, and machineelements to operatively connect the same to the ram-operating shaft and to the means which rotate the screw-threaded member mentioned.

11. In a press, the combination of a base, a super-structure, parallel arranged tie-posts whereby both are connected to each other, a shaft mounted on the super-structure, a ram connected for reciprocatory movement to the shaft and channeled guides provided on the ram whereby it is fitted to move between the tie-posts.

12. In a press, the combination of a base, two spaced shaft-bearings, two transversely arranged tie-bars, tie-posts whereby these bearings and bars are connected to each other at their respective ends to form a rigid top-frame and whereby this top-frame so formed is connected to the base, a shaft supported on this top-frame and a ram connected for reciprocatory movement to the shaft.

13. In a press, the combination of a worksupporting table, a shaft mounted above the same, links connected at one of their ends to this shaft and provided at their other end with laterally extending journal-pins. a ram, and bearings adapted to receive said laterally extending journal-pins and provided in the ram to which they are adjust- 14. In a press, the combination of a worksupporting table, a shaft mounted above the same, a ram, links provided with knuckles at each end whereby the ram is connected to the shaft and wear-compensating wedges adjustably seated between the ram and the adjacent knuckles.

15. In a press, the combination of a base, a top, cylindrical tie-posts whereby both are connected to each other, a shaft supported on the top, a ram connected for reciprocatory movement to the shaft and fitted for guidance to the tie-posts and segmental tubular gibs, wedge-shaped transversely and adjustably overlapping each other and provided between the ram and the tie-posts to maintain guiding fit between them.

16. In a press, the combination of a ram, a shaft to which it is connected for reciprocation, a super-structure on which this shaft is supported, a base, tie-posts whereby the base and the super-structure are connected to each other, a table adjustably supported on the base, extensions provided on this table and in engagement with the tie-posts to guide the table and gibs in shape of tubesegments wedge-shaped transversely provided between said extensions and the tieposts mentioned and superposed complementarily to each other and means to adjiust them to maintain the table in guiding 17. In combination, a work-support, a gear-element to actuate it and supported for rotation, a driving-shaft, two spaced conical driving-elements connected to rotate with said shaft and axially adjustable thereon, each element having a helically pitched shoulder around its side, the pitch of the shoulder on one element being in a direction opposite to that of the shoulder on the other element, the shoulder of one driving-element being adapted to engage one side of the teeth of the gear-element and the shoulder of the other driving-element being adapted to engage the other side of these teeth and means to adjust and to hold these driving-elements so that none of them, or one only is in engagement with the teeth of the gear-element.

18. In a press, the combination of a ram, means to operate it and two work-supports adapted to be used either simultaneously or either of them alone in co-action with the ram.

19. In a press, the combination of a ram, means to operate it, and independent stationary and movable Work-supports, both adapted to be used either simultaneously or either of them alone to coact with the ram.

20. In a press, the combination of a ram, controllable means to operate it, a stationary work support, an independent movable work-support, both adapted to be used, either simultaneously or either of them alone, to coact with the ram and means to actuate the movable work-support independent of the stationary work-support to cause the same to co-act with the ram to supplement its operation while held stationary.

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

C. SPENGEL, T. LE BEAU.

topic: 0! this patent may he obtained for five cents each, by addressing the Gomminioner of l'ltentl.

Washington, D. G.

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