US1144015A - Milling-machine. - Google Patents

Description

0.. WIEMER.

MILLING MACHINE.

nPPLICATION men JULY 28. 1914.

1 ,1 4%, Q l 5 Patented June 22, 1915.

THE NORI iIS PETERS Ca, PHOm-LITHQ, WASHINGTON. D. C,

CHRISTIAN WIEMER, 0F CUYAHOGA FALLS, OHIO.

MILLING-MACHINE.

traitors.

Specification of Letters Patent.

Patented June 22, 1915.

Application filed July 28, 1914. Serial No. 853,667.

To all whom it may concern Be it known that T, CHRISTIAN WIEMER, a citizen of the United States of America, residing at Cuyahoga Falls, in the county of Summit and State of Ohio, have invented certain new and useful Improvements in l vfilling-Machines, of which the following is a specification, reference being had therein to the accompanying drawing.

This invention relates to a milling machine and has for its principal object the production of a device which is adapted to be mounted upon a suitable support and held in position to be efficiently operated for milling the teeth upon different metallic tools preferably such as are used in connection with the stone and granite-cutting business.

Another object of this invention is the production of a milling machine having a suitable tool support for allowing the tool to be carried so as to be engaged by the desired mill for forming the teeth thereon as the device is in operation.

With these and other objects in view this device consists of certain novel combinations, constructions, and arrangements of parts as will be hereinafter fully described and claimed.

In the accompanying drawing, Figure 1 is a side elevation of the milling machine mounted upon a support and ready for use. Fig. 2 is a central transverse section taken through the milling machine. Fig. 3 is a longitudinal section taken through the milling machine showing the shaft in elevation. Fig. 4C is a section taken on the line 4E-4 of Fig. 1 looking in the direction of the arrow. Fig. 5 is a fragmentary perspective view of the tool supporting block.

Referring to the accompanying drawing by numerals 1 designates the base of the milling machine having the integral vertical walls 2 and 3 formed at its end portions. The base 1 is also provided with openings 4 through which suitable bolts 5 may be passed for firmly securing the device upon a suitable support 6. This support may preferably be an anvil whereby the device may be used for forming the teeth upon the tool while the steel is still heated. Theend walls 2 and 3 carry the usual brackets 7 held in position by means of the bolts 7' through which passes the reduced necks 8 and 9 extending from the end portions of the shaft 10. The longitudinal movement of the shaft upon the base is limited since the shoulder 11 and the threaded portion 12 each abut against the inner surface of the walls 2 and 3. The reduced neck 9 which passes through the wall 3 carries a fly-wheel 13 while the neck 8 passing through the wall 2 is adapted to be provided with a gear-wheel 14. If 1t 1s necessary, the wall 2 may also carry an enlarged gear-wheel 15 supported upon a suitable pin 16 which is adapted to mesh with the gear-wheel 14. Upon the rotation of the gear-wheel 15 by means of the handle 17 the gear-wheel 14L- which may be keyed, shrunk, or otherwise fixed upon the neck 8 will impart rotary motion to the shaft 10. Theshaft 10 may also be provided with a belt pulley 18 fixed or keyed thereto adjacent the wall 8 for allowing a belt to be passed there-around whereby motive power independent of the gears 14 and 15 may be provided. When the motive power is provided and the shaft is rotated by means of the belt pulley 18 the gears 14 and 15 may be removed so as to allow the end portions of the machine to be free from obstruction. A collar 19 may be fixed upon the shaft 10 by means of the pin 20 and adjacent this collar 19 there is carried by the shaft the sleeves 21 and 22. The sleeves 21 and 22 are provided with teeth 23 and 24 upon their outer peripheries these teeth being formed so as to provide the teeth 23 with slanting ends while the teeth 24: will carry squared ends to provide means for milling a tool giving the teeth the desired bevel. The

sleeve 25 is also carried adjacent the sleeve 22 and is provided with one row of teeth so as to out or mill the tool at one portion only. The loose collars 26 and 27 are mounted upon the shaft and between these collars there is carried the sleeve 28, this sleeve being adapted to carry the emery 29. Upon the opposite end of the collar 27 the sheave 80 bears, and carries a tapered emery 31.

These sleeves and collars are loosely mounted upon the shaft 10 but are fixed in a set position by means of the fixed collar 19 and the look-nut 32 which is mounted upon the threaded portion of the shaft 10. This nut engages the sheave 30 whereby all the collars and sleeves will rotate in the same direction at the same time with the shaft 10.

The base 1 is provided with the lugs 33 extending therefrom which carry the threaded rod 34. Upon this threaded rod are mounted the adjustment nuts 35 upon which are mounted the handles 36 and 37.

These handles are held upon the nuts 35 by means of the coiled spring 38 which is passed about the threaded rod 34 and bears upon the inner lower faces of the handles 36 and 37. The handle 36 is provided with a fixed pin 39 which is slidably mounted through the handle 37. Adjacent the rod 34 there is also carried the tool supporting block 40 having notched portions 421 formed upon its upper edge for allowing a tool to rest thereon. It will be seen that a tool may be passed between the handles 36 and 37 so as to rest within one of the notches 41 and upon the pin 39. The adjacent nuts 35 may then be threaded toward each other upon the threaded rod 34: thereby binding the tool to be milled between the notches. The handles may then be swung slightly toward the shaft and sleeves so as to allow the end of the tool to bear upon the teeth 23, 24:, or 25'. The teeth 25 are formed upon the collar 25. As the shaft is being rapidly rotated by the belt pulley 18 or the gears 14L and 15, the teeth will mill the end of the tool giving the same the desired cuts or mills. As soon as the tool has been milled, the handles may be swung upwardly from the shaft, collars, and sleeves, thereby removing the tool from engagement with the sleeves. The adjacent nuts may then be ro tated so as to allow the tool to be removed from engagement with the handles at which time the adjacent nuts 35 may be moved along the threaded rod 34 so as to allow the next tool to be milled, and engage a different sleeve and teeth if so desired. It is of course obvious that the tool may be simply placed upon the emery 29 or 31 for beveling or removing the roughened portions therefrom.

From the foregoing description it will be seen that a milling machine has been produced which will efliciently mill the ends of stone-cutting tools and the like for giving the same their correct cuts or mills while the tool holding device may be easily adjusted for supporting different tools upon different teeth thereby allowing the tools to be milled as desired.

' What I claim is:

1. A device of the class described comprising a base, a milling shaft carried by said base, a plurality of lugs extending from said base, a threaded rod carried by said lugs, adjustment nuts carried by said rod, handles pivotally mounted upon said adjustment nuts, a coiled spring positioned upon said threaded rod, and bearing upon the inner portions of said handles whereby said handles will normally be urged apart, a supporting pin fixedly secured to one of said handles and slidably mounted upon the other handle, said handles being adapted to carry a tool there-between at which time said nuts may be rotated for positively binding said handles in engage ment with a tool, whereby a tool may be held in position to engage said milling shaft.

2. A device of the class described comprising a base, a milling shaft carried by said base, a plurality of lugs extending from said base, a threaded rod carried by said lugs, adjustment nuts carried by said rod, handles pivotally mounted upon said adjustment nuts, a coiled spring positioned upon said threaded rod and bearing upon the inner portions of said handles whereby said handles will normally be urged apart, a supporting pin fixedly secured to one of said handles and slidably mounted upon the other handle, said handles being adapted to carry a tool there-between at which time said nuts may be rotated for clamping said handles in engagement with a tool, a tool supporting block carried by said base at a spaced distance from said threaded rod, said block provided with a plurality of notches upon its upper edge, whereby a tool carried by said handles may rest upon said block for lifting a considerable amount of the supporting strain from said handles, whereby a tool may be held in engagement with said milling shaft.

3. A device of the class described comprising a base, a milling shaft carried by said base, a threaded rod carried by said base, adjustment nuts carried by said rod, handles pivotally mounted upon said nuts, a coiled spring positioned upon said threaded rod and bearing upon the inner portions of said handles whereby said handles will normally be urged apart, and means engaging said handles for holding the same in alinement with each other, said handles being adapted to carry a tool therebetween at which time said nuts may be rotated for positively binding said handles in engagement with a tool, whereby a tool may be held in position to engage said milling shaft.

4. A device of the class described comprising a base, a milling shaft carried by said base, a plurality of lugs extending from said base, a rod carried by said lugs, handles adjustably mounted upon said rod, a sup porting pin fixedly secured to one of said handles and slidably mounted upon the other handle, said handles being adapted to releasably retain a too], said pin being adapted to hold said handles in alinement with each other whereby said handles may i hold a tool in engagement with said shaft.

5. A device of the class described comprising a base, a milling shaft carried by said base, a plurality of lugs extending from said base, a threaded rod carried by said I lugs, adjustment nuts carried by said rod, handles pivotally mounted upon said adjustment nuts, a coiled spring positioned upon said threaded rod, and bearing upon the inner portion of said handles whereby said handles will normally be urged apart, movement of said handles in one direction, a supporting pin fixedly secured to one of thereby preventing said handles from engagsaid handles and slidably mounted upon the ing said shaft. other handle, said handles being adapted to In testimony whereof I hereunto aflix my 5 carry a tool therebetween at Which time said signature in presence of two Witnesses.

nuts may be rotated for positively binding CHRISTIAN WIEMER said handles in engagement With a tool, whereby a tool may be held in position to Witnesses: engage said milling shaft, and means oar- EMILY FELMLY, 1O ried by said base for limiting the pivotal DOROTHY FELMLY.

Gopies of this patent may be obtained for five cents-each, by addressing the Commissioner of Patents, Washington, D. G."

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