US315753A - Machine for milling recesses in saw-plates - Google Patents
Machine for milling recesses in saw-plates Download PDFInfo
- Publication number
- US315753A US315753A US315753DA US315753A US 315753 A US315753 A US 315753A US 315753D A US315753D A US 315753DA US 315753 A US315753 A US 315753A
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- US
- United States
- Prior art keywords
- saw
- machine
- cutters
- plate
- plates
- Prior art date
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- Expired - Lifetime
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- 238000003801 milling Methods 0.000 title description 16
- 210000000614 Ribs Anatomy 0.000 description 22
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- FPIPGXGPPPQFEQ-OVSJKPMPSA-N all-trans-retinol Natural products OC\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C FPIPGXGPPPQFEQ-OVSJKPMPSA-N 0.000 description 4
- 241000499489 Castor canadensis Species 0.000 description 2
- 235000011779 Menyanthes trifoliata Nutrition 0.000 description 2
- 210000003813 Thumb Anatomy 0.000 description 2
- 235000019169 all-trans-retinol Nutrition 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000001808 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000036346 tooth eruption Effects 0.000 description 2
- 210000004873 upper jaw Anatomy 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q35/00—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
- B23Q35/04—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
- B23Q35/08—Means for transforming movement of the feeler or the like into feed movement of tool or work
- B23Q35/10—Means for transforming movement of the feeler or the like into feed movement of tool or work mechanically only
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/30084—Milling with regulation of operation by templet, card, or other replaceable information supply
- Y10T409/301176—Reproducing means
- Y10T409/301624—Duplicating means
Definitions
- This invention relates to' machines for milling or forming the ribs or grooves upon the inner edges of the recesses in saw-plates in which insertible and removable teeth and their holdings or fastenings are secured and it consists in the construction of the machine, its parts, and their combinations to produce the effect desired.
- Fig. 3 represents aside view of the machine.
- Figs. 4 and 4 represent the device for clamping the sawplate, a section of a saw, the pattern, and guide-pin of pantograph.
- Fig. 5 represents the guide-pin of the panlograph in sectional and detached view.
- Fig. 6 represents a side and sectional edge view of pattern.
- Fig. 7 represents the mandrel and its screw-nut for clamping or gripping the cutters and revolving them, and
- Fig. 8 represents a side view of a clamping-jaw enlarged.
- A represents a saw-plate having its recesses a in the outer circumference of saw-plate.
- This plate B is a movable or sliding rest, upon and in the top of which is a sliding plate, B.
- This plate B has an uprightscreW-bolt, c, through it nea-r its inner end, which bolt projects above the plate B far enough and through the center hole in the saw to have a screw-nut, a, to turn down upon the saw-plate A, and to hold it firmly in position While being operated upon to mill or form the angular or other form of rib in the recesses of the saw-plate.
- the sliding rest B is moved upon the frame or bed G by means of horizontal screw-rod b,hav ing gear-Wheel Z1 at its inner end gearing into gear-wheel b on a shaft, at the outer end of which is a hand-Wheel, b, and the outer end of screw-rod b operates in the screw-cut hole b4, as seen in Fig. l, and by which construction any sized circular saw-plate can be held thereon and be presented to the cutters to be operated upon.
- D represents a device for clamping the saw near its periphery to rmly hold it while a recess in the saw-plate is being acted upon to form the rib therein.
- Said device is attached to the frame or bed C, so as to be moved back and forth on the bed C, as seen in Fig. 4.
- This clamp is in tivo parts, D and D, each havinga clamping-jaw, E, one ja-W directly over the other.
- the upper jaw, fast to part D is adjustable toward or from the lower part,l D', by means of screw-bolts c c, screw-nuts c c', and Wrench c".
- e e is a guide attached to the clamping device, by which the distance to revolve the saw-plate from recess to recess is determined, and when arrested the saw-plate is then clamped, as is represented in Fig. 3, and in dotted Alines in Fig. 4.
- the clamps D D are opened, the saw-plate is free to revolve about the center-pin a on rest B, to present a new recess to be acted upon, Where it is stopped by the jointed guide-stop e e" at the exact point necessary to cut the rib in therecess.
- d d are the milling-cutters, made of the best of steel, are tapered'at their ends-that is, smaller at their extreme ends than at their bodies-cylindrical in form, and their tapered ends grooved and made into sharp cutters to cnt the tempered steel of a saw-plate.
- the cutting-edges of these cutters are made to be right and'left on the opposite ends, so that when they are reversed the ends to' be used in the cutting will have the edges of the teeth revolved to out in the same direction in pairs.
- These cutters may be made in a single piece of steel, as shown in detail in Fig.
- Gutters d are clamped in revolving and adjustable slotted holders or mandrels d (which are moved 5 toward or from each other by temper-screws e hht) by means of a screwnut, d, that is turned upon the tapering slotted end'of holder d, so that they can be removed and reversed as desired, and so arranged as that the meeting ends of the cutters will be in the exact center of the thickness of the saw-plate when at work.
- the shaft F is an upright shaft, of suitable size and length, and having at the proper height universal joint f, with sufficient play to allow the lower end of the shaft to move out of an upright position in either direction, so as to allow the cutters d to traverse a recess in the saw-plate and cut the rib in the edges thereof. :zo
- the shaft F is put in revolution by coupling it with another vertical shaft, FQ which revolves in bearingsff by a belt around a pulley, f, or other known means to produce the revolution of and the result by such revolution.
- G is a slidingmachine-head constructed to slide in the frame C on proper guidcways, as seen in Figs. 2 and 3.
- H is a sliding cross-head that reciprocates rection of that of the sliding head G, and perpendicularly through this head H is the lower shaft, f, which is coupledto shaft F above the cross-head.
- the gear-wheels g g that gear into two other gear-wheels,gg,which latter wheels are secured'to the mandrels d' d', that contain the cutters d d, that cause their revolution.
- the turning of the pulley f will revolve the cutters d in the same direction simultaneously. Reciprocation is given to the sliding head G by turning hand-wheel h by means of gear-wheel h and rack h.
- a hand-lever, I having teeth at its inner end to gear into revolving wheel t', which gears into a rack, i', that is fast to cross-head H, and attached to lever I is a spiral spring, 5o t, and to it a rod, i, and to this rod a thumbpiece, im', having joint j, so that by taking hold of the handle end of lever I and pressing the thumb on the thumb-piece 71 the lever will be drawn outward, so that the teeth 5 5 on lits inner end will be out of gear with Vthe wheel z', when the lever can be placed in the most desirable position.
- the cross-head H can be moved in either direction or held at any place de- A 6o sired, and the operator with his other hand hold of wheel h moves the sliding head G in a transverse or rightangled direction.
- This pattern j has the opening in -which the guide-pin J travels like the recess in the saw-plate, the edges of which are to be milled or ribbed by the revolving and adjustable cutters d, and v by the motion and directionl given to the pantograph guide-pin through the movement of the heads G and H by the operator by his manipulation of the hand-lever I by onehand and wheel h with the other hand the guidepin is made to traverse the inclined edge of the pattern j", giving direction to the revolving cutters d, so that these cutters will cut an angular or / ⁇ shaped rib on the edges of the recesses in the saw-plate that will exactly correspond with the form of the part of the pattern upon which the guide-pin travels.
- inwardly-projecting rib than a A or other angular shape
- milling-cutters d may be so formed as to cut a circular, half-round, or conical-shaped rib just as well as the A shape, as the shape of the cutters gives shapeto the rib.
- the clamping device D composed of parts D and D, having the clamping-jaws E attached thereto, and the means for adjusting one toward or from the other, substantially as described.
Description
(No Model.)
3 Sheets-Sheet 1.
J. E. EMERSON.
MACHINE PUB. MILLING REGESSBS IN SAW PLATES.
Patented Apr. 14, 1885.
N. Firms. mole-Lulmgmpnur. wwfmxw. n c.
3 Sheets-Sheet 2.
(No ModeL) J. E. EMERSON. MACHINE FOB, MILLING RBGBSSES IN SAW PLATES.
No. 315,753. Patented Apr. 14, 1885.
(No ModeL) 3 Sheets-Sheet 3` J. E. EMERSON.
MACHINE I'OE MILLING REGESSES IN SAW ILAIES.
'Patented Apr. I4, 1885.
UNITED STATES PATENr rines.
JAMES E. EMERSON, OF BEAVER FALLS, PENNSYLVANIA.
MACHINE FOR MILLING RECESSES IN SAW-PLATES.
SPECIFICATION forming part of Letters Patent No. 315,753, dated April 14, 1885.'
Application filed January 12, 1885. (No model.)
To all whom it may concern:
Be it known that I, Janne E. ,Ennnsorg a citizen ofthe United States, residing at Beaver Falls, in the county of Beaver, and State of Pennsylvania, have invented certain new and useful Improvements in Machines for Milling the Recesses in Saw-Plates to Receive Insertible Teeth, of 'which the following is a specification, reference being had to the accompanying drawings.
This invention relates to' machines for milling or forming the ribs or grooves upon the inner edges of the recesses in saw-plates in which insertible and removable teeth and their holdings or fastenings are secured and it consists in the construction of the machine, its parts, and their combinations to produce the effect desired.
1n the drawings, Figure l represents a longitudinal sectional view of the machine on line .fr a: of Fig. Fig. 2 represents a top or plan view of the machine. Fig. 3 represents aside view of the machine. Figs. 4 and 4 represent the device for clamping the sawplate, a section of a saw, the pattern, and guide-pin of pantograph. Fig. 5 represents the guide-pin of the panlograph in sectional and detached view. Fig. 6 represents a side and sectional edge view of pattern. Fig. 7 represents the mandrel and its screw-nut for clamping or gripping the cutters and revolving them, and Fig. 8 represents a side view of a clamping-jaw enlarged.
A represents a saw-plate having its recesses a in the outer circumference of saw-plate.
B is a movable or sliding rest, upon and in the top of which is a sliding plate, B. This plate B has an uprightscreW-bolt, c, through it nea-r its inner end, which bolt projects above the plate B far enough and through the center hole in the saw to have a screw-nut, a, to turn down upon the saw-plate A, and to hold it firmly in position While being operated upon to mill or form the angular or other form of rib in the recesses of the saw-plate. The sliding rest B is moved upon the frame or bed G by means of horizontal screw-rod b,hav ing gear-Wheel Z1 at its inner end gearing into gear-wheel b on a shaft, at the outer end of which is a hand-Wheel, b, and the outer end of screw-rod b Works in the screw-cut hole b4, as seen in Fig. l, and by which construction any sized circular saw-plate can be held thereon and be presented to the cutters to be operated upon.
D represents a device for clamping the saw near its periphery to rmly hold it while a recess in the saw-plate is being acted upon to form the rib therein. Said device is attached to the frame or bed C, so as to be moved back and forth on the bed C, as seen in Fig. 4. This clamp is in tivo parts, D and D, each havinga clamping-jaw, E, one ja-W directly over the other. The upper jaw, fast to part D, is adjustable toward or from the lower part,l D', by means of screw-bolts c c, screw-nuts c c', and Wrench c". When the screw-nuts c are turned baclr,the clamping-jaws E are separated by the spiral springs c. The clamping-jaws E are secured to D/ D" by the screwbolts e e, as seen in Fig. 4.
e e isa guide attached to the clamping device, by which the distance to revolve the saw-plate from recess to recess is determined, and when arrested the saw-plate is then clamped, as is represented in Fig. 3, and in dotted Alines in Fig. 4. When the clamps D D are opened,the saw-plate is free to revolve about the center-pin a on rest B, to present a new recess to be acted upon, Where it is stopped by the jointed guide-stop e e" at the exact point necessary to cut the rib in therecess.
d d are the milling-cutters, made of the best of steel, are tapered'at their ends-that is, smaller at their extreme ends than at their bodies-cylindrical in form, and their tapered ends grooved and made into sharp cutters to cnt the tempered steel of a saw-plate. The cutting-edges of these cutters are made to be right and'left on the opposite ends, so that when they are reversed the ends to' be used in the cutting will have the edges of the teeth revolved to out in the same direction in pairs. These cutters may be made in a single piece of steel, as shown in detail in Fig. l, but l 'prefer to have them separate, because the teeth can be sharpened much better when separate, and are easier made than when in one piece of steel. Further, when the cuttingteeth are upon both ends of separate cutters, double the Work can be done with them that ICO can be done when in a single piece, as when one end is Kdull it is then reversed. Gutters d are clamped in revolving and adjustable slotted holders or mandrels d (which are moved 5 toward or from each other by temper-screws e hht) by means of a screwnut, d, that is turned upon the tapering slotted end'of holder d, so that they can be removed and reversed as desired, and so arranged as that the meeting ends of the cutters will be in the exact center of the thickness of the saw-plate when at work.
F is an upright shaft, of suitable size and length, and having at the proper height universal joint f, with sufficient play to allow the lower end of the shaft to move out of an upright position in either direction, so as to allow the cutters d to traverse a recess in the saw-plate and cut the rib in the edges thereof. :zo The shaft F is put in revolution by coupling it with another vertical shaft, FQ which revolves in bearingsff by a belt around a pulley, f, or other known means to produce the revolution of and the result by such revolution.
G is a slidingmachine-head constructed to slide in the frame C on proper guidcways, as seen in Figs. 2 and 3.
H is a sliding cross-head that reciprocates rection of that of the sliding head G, and perpendicularly through this head H is the lower shaft, f, which is coupledto shaft F above the cross-head. To this shaft are attached, at proper distances apart, the gear-wheels g g, that gear into two other gear-wheels,gg,which latter wheels are secured'to the mandrels d' d', that contain the cutters d d, that cause their revolution. By such construction the turning of the pulley f will revolve the cutters d in the same direction simultaneously. Reciprocation is given to the sliding head G by turning hand-wheel h by means of gear-wheel h and rack h.
To gi-ve a transverse movement to cross-head H, there is a hand-lever, I, having teeth at its inner end to gear into revolving wheel t', which gears into a rack, i', that is fast to cross-head H, and attached to lever I is a spiral spring, 5o t, and to it a rod, i, and to this rod a thumbpiece, im', having joint j, so that by taking hold of the handle end of lever I and pressing the thumb on the thumb-piece 71 the lever will be drawn outward, so that the teeth 5 5 on lits inner end will be out of gear with Vthe wheel z', when the lever can be placed in the most desirable position. Then by pulling or pushinglever I the cross-head H can be moved in either direction or held at any place de- A 6o sired, and the operator with his other hand hold of wheel h moves the sliding head G in a transverse or rightangled direction.
At the lower part of cross-head H is attached a pantograph steel guide-pin, J, Fig.
3, with its lower end pointed to about an an-n gle of forty-ve degrees, and to the bed of theA transversely (on dovetail slides h h) to the dirwhat I claim, and desire to secure by Letters .machine is attached an adjustable casting, j',
and upon this a hardened polished steel pattern, j, having the desired opening with beveled edges, against which the pointed guidepin J will bear and exactly t. This pattern j has the opening in -which the guide-pin J travels like the recess in the saw-plate, the edges of which are to be milled or ribbed by the revolving and adjustable cutters d, and v by the motion and directionl given to the pantograph guide-pin through the movement of the heads G and H by the operator by his manipulation of the hand-lever I by onehand and wheel h with the other hand the guidepin is made to traverse the inclined edge of the pattern j", giving direction to the revolving cutters d, so that these cutters will cut an angular or /\shaped rib on the edges of the recesses in the saw-plate that will exactly correspond with the form of the part of the pattern upon which the guide-pin travels. Other forms of the inwardly-projecting rib than a A or other angular shape may be made, as the milling-cutters d may be so formed as to cut a circular, half-round, or conical-shaped rib just as well as the A shape, as the shape of the cutters gives shapeto the rib.
I am aware that machines have been used for milling parts of sewing-machines, guns, 95 pistols, and other analogous things in which the pantograph movement, a guide and pat- Y tern working together to perfect forms are used; but such machines cannot be successfully used for cutting the ribs on the edges of roo a recess in a saw-plate for insertible or removable sawteeth and their fastenings; and I do not claim, broadly, the movement of the pantograph and a pattern to direct the cutters except, as above described, in cutting the inwardly-projecting rib in a recess of a sawplate to receive an insertible tooth and its fastenings.
Having thus fully described my invention,
1ro Patent, is-
1. In a machine for milling the edges of the recesses in saw-plates to receive insertible teeth and their fastenings, the combination of the adjustable hand-lever I, toothed pinion t', rack i', movable cross-head H, pantograph guide-pin J, pattern j, sliding head G, revolving shaft f and gear-Wheelsg and g', with the revolving cutters d, constructed and operating as described.
2. In a machine for milling the edges of recessesin saw-plates to receive insertible teeth and their fastenings,.the combination of the movable and adjustable rest B, having plate B', and. clamping-screw a', and carrying the saw A, with the saw-clamping device D,v sub-V stantially' as described. Y
3. The clamping device D, composed of parts D and D, having the clamping-jaws E attached thereto, and the means for adjusting one toward or from the other, substantially as described.
4. In a machine for milling the edges ofi In testimony whereof affix my signature in the recesses in saw-plates, the combination presence of t-Wo Witnesses. of the cross-head H, sliding head G, shafts F and f, Wheels g and g', revolving oub- JAMES E. EMERSON. 5 ters d, pattern j", pantograph guide-pin J,
the movable rest B, carrying the saw-plate Vtnesses: A, and clamping device D, substantially as NEWTON CRAWFORD, described. JGHN G. TASKER.
Publications (1)
Publication Number | Publication Date |
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US315753A true US315753A (en) | 1885-04-14 |
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US315753D Expired - Lifetime US315753A (en) | Machine for milling recesses in saw-plates |
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- US US315753D patent/US315753A/en not_active Expired - Lifetime
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