US3191349A

US3191349A - Attachment mounting means for a boring mill ram

Info

Publication number: US3191349A
Application number: US309213A
Authority: US
Inventors: Raymond A Huhn
Original assignee: Setco Industries Inc
Current assignee: Setco Industries Inc
Priority date: 1963-09-16
Filing date: 1963-09-16
Publication date: 1965-06-29
Anticipated expiration: 1982-06-29

Description

June 29, 1965 R. A. HUHN ATTACHMENT MOUNTING MEANS FOR A BORING MILL RAM Filed Sept. 16, 1965 2 Sheets-Sheet 1 FIG-1 .III h June 29, 1965 R. A. HUHN 3,191,349

ATTACHMENT MOUNTING MEANS FOR A BORING MILL RAM Filed Sept. 16, 1963 2 Sheets-Sheet 2 FIG-2 INVENTOR.

RAYMOND A.. HUHN 2 ATTORNEYS United States Patent 3,191,349 ATTACHMENT MOUNTING MEANS FOR A BORING MILL RAM RaymondA. Huhn, Cincinnati, Ohio, assignor to Setco glltliustries, Inc., Cincinnati, Ohio, a corporation of Filed Sept. 16, 1963, Ser. No. 309,213 8 Claims. (Cl. 51241) This invention relates to an adapter and more particularly to an adapter for association with the ram of a boring mill for securely and accurately mounting various types of power tools to the forwardend of the ram.

An object of the invention is to provide simple yet highly efficient means for enabling various types of tools to besecured to and accurately aligned with the forward end of a boring mill ram.

Heretofore it has been the practice to mount tools, such as, by way of example, grinders, or the like to the forward end of a ram, and to drive such tools from a suitable source of power mounted at the opposite end of the ram and applied to the tool by means of an elongate shaft or drive member extending axially through the ram. Such devices, besides being cumbersome and expensive are ineflicient, costly to operate and maintain. A prime object of the present invention is to provide simple yet highly effective means for enabling a tool such as, by way of example, a grinder, or the like, to be rigidly though releasably anchored to the forward end of a .ram in such a manner as to accurately mount the tool relative to the axis of the ram and for enabling the tool to be driven by its own independent power source, viz, an electric motor.

In those instances wherein tools such as, byway of example, a grinder, has been powered by means of a drive shaft extending throughout the length of a ram, it has been difficult, if not impossible, from a practical stand point, to impart sufficiently high rotational speeds to the grinding wheel.

The adapter means of the present invention enables a tool such as a grinder to be rigidly mounted to the forward end of'a boring mill and for enabling the grinder to be operated at any desired rotational speed by means of a belt or chain drive from a motor which is secured to and carried by, and which in fact forms an element of the tool which is secured to the ram via the adapter.

Another object of the invention is to provide a ram conversion means which facilitates and expedites accurate mounting of various tools upon the end of the ram, withvout sacrificing needed rigidity and durability of the resultant assembly. 1

A further object of the invention is to provide an improved and highly efiicient ram conversion means which is simple and inexpensive to manufacture and apply to existing ram assemblies. p

The foregoing and other objects are attained by the meansdescribed herein and disclosed in the accompanying drawings, in which:

FIG. 1 is an exploded perspective view showing a grinder attachment and the improved means of the invention for accurately and rigidly mounting the attachment upon the head end of a boring mill ram.

FIG. 2' is anenlarged cross-sectional view taken along the ram axis showing a grinder attachment mounting pad mounted upon the ram.

The present invention isdirected to simple yet highly effective means to efliciently utilize the ram of a boring mill for the performance of additional machining operations, other than those machining operations usually performed by such rams, on work clamped to or on the bed of a boring mill. By providing proper means for mount- Patented June 29, 1965 "ice ing various common tools upon the head end of a boring mill ram, the boring mill can be used very effectively to perform many varied machining operations with great accuracy and dispatch. It is a primary object of the present invention to provide such mounting means, whereby various machine operations may be effectively and efficiently executed using the boring mill ram as the support for such tools.

In the present disclosure, an example, is given for the effective mounting of 'a tool, to wit, a motor-driven grinder; however, it should be clearly understood that tools other than a grinder may be mounted upon the ram in like-fashion for the performance of other machineoperations.

With reference to the drawings, D indicates the lower or head end of a conventional boring mill ram which as usual may be inclined at different angles and reciprocated at selected speeds and distances along its major axis G,

said face a rigid flat adapter plate or sub-plate A, said plate being accurately machined to fiatwise abut the ram end face. A pilot stud B upon plate A is adapted to snugly fit into socket C, for accurately locating the plate upon the ram end, the pilot stud being preferably integral with plate A.

At the four corners or at other suitable locations, plate A may be provided with tapped holes T to receive screws V. for detachably securing against the nether face of plate A the mounting pad L, which may be an integral element of an L-shaped housing P-Q of a grinding wheel unit comprising the abrasive wheel W and its electric driving motor Y. The character Z indicates a guard to covera driving belt trained over a pulley (not shown) on the lower end of the driving motor shaft, and arranged to drive a second pulley fixed upon the upper end of thev grinding wheel shaft journalled in bearing housing X.

Attention is now directed to the fact that mounting pad L, which may be integral with housing part P, includes a locating stud N upstanding thereon, the latter being adapted to snugly fit within the cylindrical bore K of pilot stud B. Bore K is concentric with stud B,

"in the tapped holes T of the adapter plate A, whereby pad L may be detachably secured in flatwise relation against the nether face of the adapter plate.

' The characters S denote lifting lugs' fixed at S1 upon opposite edges of pad L, whereas at R is indicated an eye bolt on housing portion Q, the eye bolt and lugs being provided as means to accommodate hooks of a crane or hoist chain whereby the grinder unit may be lifted into position for attachment to the ram by Way of the adapter or sub-plate A. It should be appreciated that in many instances the working tool (in this case the grinder unit) may be quite large and heavy so as' to require the services of a hoist or crane for liftingit to case and dispatch, utilizing a minimum of time and labor. No tedious adjusting of the tool is required, and the conversion means never requires servicing or repairs.

Due to the simplicity of the conversion means, manufacture thereof is not only inexpensive but is attended with great durability and accuracy in machining. It is moreover compact and highly resistant to damage or injury under severe service conditions. i

It is to be understood that various modifications and changes may be made in the structural details of the device, within the scope of the appended claims, without departing from the spirit of the invention.

What is claimed is:

1. The combination of an axially reciprocable boring mill ram having a head end face including a socket axially aligned with the ram axis, said end face being in a plane normal to the ram axis and having formed therein about the socket a plurality of tapped holes for receiving anchor screws, a flat adapter plate having apertures therein to register with the tapped holes of the ram end face, and anchor screws accommodated by said plate apertures for anchorage in the tapped holes of the ram face, to detachably secure the adapter plate in flatwise contact upon the ram end face, an axially bored pilot stud upstanding upon the adapter plate for close fitting accommodation by the socket of the ram face, with the axis of the pilot stud bore in alignment with the socket axis, the adapter plate having a flat nether face in which the pilot stud bore is exposed, and having further a group of tapped holes spaced from the apertures aforesaid and located near the perimeter of the adapter plate, a plurality of tool unit suspension screws removably receivable by the tapped holes of the adapter plate, and a tool unit including a fiat mounting pad having apertures therein registrable with the tapped holes of the adapter .plate, the last mentioned tapped holes and apertures being receptive of the unit suspension screws for holding the mounting pad in flatwise contact against the nether face of the adapter plate, and an upstanding locating stud on the mounting pad closely accommodated by the pilot stud bore of the adapter plate, with the axis of the pilot stud bore coin ciding with the axis of the mounting pad locating stud, whereby the mounting pad and the tool unit associated therewith are rigidly suspended from the adapter plate and the adapter plate is in turn rigidly suspended from the ram end face in precision relationship determined by the pilot elements aforesaid.

2. The combination as set forth in claim 1,- wherein the tool unit includes independent power drive means.

3. The combination of an axially reciprocable boring mill ram having a head end face including a socket axially aligned with the ram axis, said end face being in a plane normal to the ram axis and having formed therein about the socketa plurality of tapped holes for receiving anchor screws, a flat adapter plate having apertures therein to register with the tapped holes of the ram end face, and anchor screws accommodated by said plate apertures for anchorage in the tapped holes of the ram face, to detachably secure the adapter plate in flatwise contact upon the ram end face, an axially bored pilot stud upstanding upon the adapter plate for close fitting accommodation by the socket of the ram face, with the axis of the pilot stud bore in exact alignment with the socket axis, the adapter plate having a flat nether face in which the pilot stud bore is exposed, and having further a group of tapped holes spaced from the apertures aforesaid, a plurality of tool unit suspension screws removably receivable by the tapped holes of the adapter plate, anda tool unit including a motor-driven cutting'wheel, said unit comprising a flat mounting pad having apertures therein registrable with the tapped holes of the adapter plate, the last mentioned tapped holes and apertures being receptive of the unit suspension screws for detachably holding the mounting pad in flatwise contact against the nether face of the adapter plate, and an upstanding locating stud on the mounting pad closely accommodated by the pilot stud bore of the adapter plate, with the axis of the pilot stud bore coinciding with the axis of the mounting pad locating stud, whereby the mounting pad and the tool unit associated therewith are rigidly suspended from the adapter plate and the adapter plate is in turn rigidly suspended from the ram end face in precision relationship determined by the pilot elements aforesaid.

4. The combination as set forth in claim 3, wherein the tool unit includes means for lifting and suspending the unit by a hoist.

5. The combination of an axially reciprocable boring mill ram having a head end face including a socket whose axis is parallel to the axis of the ram, said end face being in a plane normal to the ram axis, a fiat adapter plate including an axially bored pilot stud upstanding upon said plate for close fitting accommodation by the socket of the ram face, with the axis of the pilot stud in exact alignment with the socket axis, the adapter plate having a flat upper face and a flat nether face in which latter face the pilot stud bore is exposed, means for rigidly but detachably securing the upper'face of the adapter plate in flatwise contact against the end face of the ram, a tool unit comprising a flat mounting pad having an upper face, and a locating stud upstanding upon said upper face of the pad, said pad stud being closely receivable in the pilot stud bore of the adapter plate, with the axis of the pilot stud bore coinciding with the axis of the mounting pad locating stud, and means for rigidly but detachably securmotor drive therefor mounted upon said unit.

'7. The combination of an axially reciprocable boring mill ram having a head end face disposedin a plane normal to the ram axis, a fiat adapter plate having opposite faces, and pilot means associated with the ram and the adapter plate to enforce repeated coincidence of the ram face and said plate when the plate is applied to the ram face, means for rigidly but detachably securing one face of the adapter plate in flatwise contact against the end face of the ram, and a tool unit comprising a flat mounting pad having an upper face, pilot means on the mounting pad and adapter plate for enforcing repeated coincidence of the mounting pad and adapter plate when the pad is applied to the adapter plate, and means for rigidly but detachably securing the upper face of the mounting pad in flatwise contact with the remaining face of the adapter plate.

8. The combination as set forth in claim 7, wherein the securing means for attaching the mounting pad to the adapter plate serves to release the tool unit from said adapter plate while leaving said adapter plate attached to the ram end.

References (Iitetl by the Examiner UNITED STATES PATENTS 'LESTER M. SWINGLE, Primary Examiner.

Claims

1. THE COMBINATION OF AN AXIALLY RECIPROCABLE BORING MILL RAM HAVING A HEAD END FACE INCLUDING A SOCKET AXIALLY ALIGNED WITH THE RAM AXIS, SAID END FACE BEING A PLANE NORMAL TO THE RAM AXIS AND HAVING FORMED THEREIN ABOUT THE SOCKET A PLURALITY OF TAPPED HOLES FOR RECEIVING ANCHOR SCREWS, A FLAT ADAPTER PLATE HAVING FORMED THEREIN TO REGISTER WITH THE TAPPED HOLES OF THE RAM END FACE, AND ANCHOR SCREWS ACCOMMODATED BY SAID PLATE APERTURES FOR ANCHORAGE IN THE TAPPED HOLES OF THE RAM FACE, TO DETACHABLY SECURE THE ADAPTER PLATE IN FLATWISE CONTACT UPON THE RAM END FACE, AND AXIALLY BORED PILOT STUD UPSTANDING UPON THE ADAPTER PLATE FOR CLOSE FITTING ACCOMMODATION BY THE SOCKET OF THE RAM FACE, WITH THE AXIS OF THE PILOT STUD BORE IN ALIGNMENT WITH THE SOCKET AXIS, THE ADAPTER PLATE HAVING A FLAT NETHER FACE IN WHICH THE PILOT STUD BORE IS EXPOSED, AND HAVING FURTHER A GROUP OF TAPPED HOLES SPACED FROM THE APERTURES AFORESAID AND LOCATED NEAR THE PERIMETER OF THE ADAPTER PLATE, A PLURALITY OF TOOL UNIT SUSPENSION SCREWS REMOVABLY RECEIVABLE BY THE TAPPED HOLES OF THE ADAPTER PLATE, AND A TOOL UNIT INCLUDING A FLAT MOUNTING PAD HAVING APERTURES THEREIN REGISTRABLE WITH THE TAPPED HOLES OF THE ADAPTER PLATE, THE LAST MENTIONED TAPPED HOLES AND APERTURES BEING RECEPTIVE OF THE UNIT SUSPENSION SCREWS FOR HOLDING THE MOUNTING PAD IN FLATWISE CONTACT AGAINST THE NETHER FACE OF THE ADAPTER PLATE, AND AN UPSTANDING LOCATING STUD ON THE MOUNTING PAD CLOSELY ACCOMMODATED BY THE PILOT STUD BORE OF THE ADAPTER PLATE, WITH THE AXIS OF THE PILOT STUD BORE COINCIDING WITH THE AXIS OF THE MOUNTING PAD LOCATING STUD, WHEREBY THE MOUNTING PAD AND THE TOOL UNIT ASSOCIATED THEREWITH ARE RIGIDLY SUSPENDED FROM THE ADAPTER PLATE AND THE ADAPTER PLATE IS IN TURN RIGIDLY SUSPENDED FROM THE RAM END FACE IN PRECISION RELATIONSHIP DETERMINED BY THE PILOT ELEMENTS AFORESAID.