US1271196A - Engraving-machine. - Google Patents

Description

F. H. MOONEY.

ENGRAVING MACHINE.

APPLICATION FILED APR. 1. l9l6.

.1 ,27 1, 1 96. v Patented July 2, 1918.

2 SHEETS-SHEET I.

\ INVENTUR- Q/ /MA F H. MOONEY.

ENGRAVING MACHINE.

APPLICATION-FILED APR. 7. l9|6.

1,271,196. Famed July 2,1918,

5 2 SHEETS-SHEET 2.

UNITED STATES PATENT OFFICE.

FRANK H. MOONEY, 0F TOLEDO, OHIO, ASSIGNOR TO THE CONKLIN PEN MANUFAC- TUBING COMPANY, OF TOLEDO, OHIO, .A CORPORATION OF OHIO.

ENGEAVIN'G-MACHINE.

Specification of Letters Patent.

Application filed April 7, 1916. Serial No. 89,566.

To all whom it may concern:

Be it known that I, FRANK H. MOONEY,

a citizen of the United States, and a resisame, reference being had to the accompanying drawings, and to the characters of reference marked thereon, which form a part of this specification. 15 I This invention relates to engraving maclnnes, and partlcularly to a machine adapt- .ed for the engraving of fountain pen barrels or the like.

The object of my invention is the provision of a machine of the character described, which is simple and efficient in its construction and adapted to automatically feed a pen barrel or similar article to operative position, then to act on the article to mark or embellish a predetermined design thereon,

.and then to discharge the marked article Figure 1 is a front elevation of, a machine embodying the invention, with portions broken away. Fig. 2 is an end elevation thereof, with parts broken away. Fig. 3 is anv enlarged vertical section on the line 33 in Fig. 1, and Fig. 4 is an enlarged front view of a portion of the machine, with parts in section.

Referring to the drawings, 1, 1 designate the two side standards of the machine frame, and 2 a frame part which connects and rigidly spaces the standards 1, 1 adjacent to their lower ends. 4

A pair of guide members 3, 3 rises in parallel spaced relation from the machine frame, one from the top of eachside' stand ,ard 1, and cooperates toforma magazine or chute for holding a plurality of work-pieces A, fountain pen barrels in the present instance, and permitting a successive gravity feed thereof to operative position in the machine, as willhereinafter be fully described. The'inner side of each member ,3 is vertically grooved to receive the respective end of a work piece and to guide its downward movement. The lower ends of the guide members extend a predetermined distance down between the side standards 1, 1, and the right hand member in Figs. 1 and 4, in the present instance, is provided near its lower end in the base of its guide groove with a depression or socket 4, preferably of frustoconical form, for receiving the adjacent end of a work-piece A when in register therewith, as best 'shown'in Fig. 4.

A sleeve 5 is journaled in the left frame standard 1 in axial register with the socket 4 and fixedly carries at its outer end a worm-wheel 6, to the inner side of which is fixed a templet or pattern plate 7. A spindle 8 is mounted in the sleeve 5 for rotary movements therewith and axial movements relative thereto and has its inner end projected into the guide groove of'the adjacent guide standard 3 and ofconical form to frictionally fit into the adjacent end of a registering. pen barrel to cooperatewith the socket 4 to support and effect a centering of the barrel with the spindle. In order that'the friction between the spindle end anda work piece may be increased,fi'tqis preferable to provide the spindle endwith a plurality of .radiating grooves, as shown. The opening through the sleeve 5 is enlarged at the inner end portion of the sleeve, as at 9, to receive a coiled compression spring 10 inencircling relation to the spindle, thereby causing the spindle to be normally urged inward in work holding position. The sleeve 5 and worm-wheel 6 are keyed together, in the present instance, by a screw form of key 12.

A trip-lever 13 is pivoted intermediate its ends to the outer end of the spindle 8 transversely of the spindle axis and is fulcrumed at one end to a stud 13*Pat the outer side of the worm-wheel 6, at one side of its axis, for oscillation in a plane parallel. to the spindle aXis,':and-has, its other end projecting beyond the peripheral edge of the worm- Wheel. It is thus appar nt that an outw rd.

Patented July 2, 1918.

movement of the trip lever 13 will effect a withdrawal of the spindle 8 from work gripping and holding position, against the tension of the spring 10. The means employed for coactingw-ith the trip lever 13 and effecting an outward movement thereof at a predetermined point in each cycle ofoperations of the machine will be hereinafter described.

The worm-wheel. 6 meshes with a drive? worm 1%, which is carried by a shaft 15 mounted transversely of the worm wheel axis in a bearing 16 provided therefor on the adjacent frame standard 1. The shaft 15 is shown, in the present" instance, as being provided at its rear end with a pulley 17 from which a belt may extend to any suitable source of power. The opposite end of the shaft 15 is provided with a c amwheel '18 having a crank-pin19 that is connected by a connecting-rod 20 to an arm 21 projecting from one side of a slide-frame This slide frame is fixed,by set screws 23, to a pair of guide rods 2 1 and 25, whlch, in the present instance, are disposed in vertically spaced relation, and. have the opposite ends thereof suitably mounted for horizontal sliding movements in the respective frame standards 1, 1.

A vertically disposed vibrator lever or member 26 is mounted in the slideframe 22, and is carried for vibratory movements by the guide rod as best shown in Fig. 3. The upper end of this vibrator member is provided on its rear side with an engraving point 27 which is positioned at the front of a work-piece A. when in operative position andis moved lengthwise of the workpiece by the backward and' forward sliding movements of the member 26 with the slide frame 22. A coiled compression sprin 28 is disposed between the rear side of the vibrator member 26 and a registering portion 22 of the slide-frame and" acts on the vibrator member to normally urge the engraving point 27' into contact with a work-piece. Vibratory movements are im parted to the member 26 when reciprocated with the frame 22 by reasonof a finger 29 on the member 26 traveling lengthwiseof a ibrator shaft in contact with the serrated or undulated surface 31 thereof, such surface, in the present instance, being formedby the provision of a plurality of spaced circumferentially extending ridges on the shaft periphery. The shaft 30 is mounted at its ends in therespective standards 1 below the guide members 3, 3 for both rotaryand" axial reciprocatory movements relative to the machine frame.

The shaft 30 has one end projected fthrough the respective standard 1 in which 1t 15 mounted and bearmg'againstithe working face of the t'emplet 7 and the opposite end of the shaft receives the thrust of a coiled compression spring 32, which is I yoke.

tension of the spring 82.. An adjustment of the member 3 1 is accomplished, in the present instance, by the turning of a threaded stem 35, which projects out through a plate 86 secured to the frame standard 1 at the outer end of the opening 33; It is thus evident that the spring 32 acts to normally retain the opposite end of the shaft 30 in contact with the operating face of. the templet 7 so that the reciprocatory movements of the shaft are controlled by and in conformance to the shape of the templet surface against which it bears A U shaped yoke member 37 is pivoted at the ends of its arms to the respective standard 1, as at 87, and'has its cross-bar or crown portion disposed in front of or at the outer side of the slide frame 22 and vibrator lever 26, at the lower ends thereof. The inner'side of the cross-bar of the yoke 37 is inclined throughout its length, as at 38, and such surface, when the yoke is in lowered position, is intended to coact with a stud 39 projecting from the lower end of the lever 26 and to cause a movement of the lever against the tension of the spring erative relation. hen the-yoke is in such inoperative positionthe vibrator lever 26 is permitted to move under the tension of the spring 28 to place the vibrator finger 29 into operative relation to the vibrator shaft 30 and to place the engraver point 27 into position to have marking contact with a pen barrel or work-piece A.

T 1e cam-wheel 18 coa'cts at its periphery with a roller 11 carried therebeneath by the crossbar of the yoke 37 and cooperates with the spring l0 to'control the properly timed raising and lowering movements of the F or this purpose the cam-wheel 18 is provided. with a; depressed surface 18 which, w ien the roller 451 is in contact therewith, permits a raisingof the yoke 37 by the spring 40. The position and lengthof the depressed portion 18 of the cam-wheel with respect to a cycle of operations of the machine is such that the roller a1 will travel therein during the workin stroke of the slide frame 22, or at least a portion thereof, which stroke, in the present instance,v is from right to left. 'iVhen the engraver point 27 has moved a predetermined dis tance in vibrating contact with the work it work. The engraving stroke of the point 27 is so rapid, however, that the spiral form of the engraved lines due to the continual turning of the work during theengraving operation is hardly perceptible. As the slide frame 22 reciprocates, the stud 39 will be held in sliding contact with the inclined surface of the looped portion of the yoke 37 by reason of the outward pressure of the member 28 on the vibrator lever 26.

It is desirable in the engraving of fountain'pen barrels to leave a portion of the surface thereof plain for receiving a notation of any desired information. This is accomplished by causing the vibrator shaft 30 to make a complete rotation for each cycle of operations, or in other words, during the period of operation on each workpiece A, and to provide the roughened or serrated surface 31 thereof with a smooth portion 31*, (see Figs. 3 and 4,) which extends the entire length of the stroke of the engraver member, and, when in register with the vibrator finger 29, coacts therewith to prevent the engraver point 27 from moving into engraving contact with the work. Rotation is imparted from the sleeve 5 to the shaft 30 through a pair of'gears 42 and 43 of like size, which are respectively mounted therein.

\Vhen the machinehas completed a cycle of operations, or infother words, when the engraving of a workpiece has been completed, the .free end "of the trip-lever 13,

turning with the worm-wheel 6, will have moved into the path of reciprocatory movements of a tripsrod 44, projecting. from the arhacent side ofthe slide frame 22 and movable therewith, and the outer end of said wtrip-rod will strike against the registering sure of the spring 10 and a consequent releasing of the engraved work-piece to drop by gravity on the inclined delivery table 45, which at this stage in a cycle of operations is in elevated position, as shown in Fig; 3. The released workpiece at this Stage in the operation only lowers a suflicient extent to,

permit the next Work-piece in order to lower into axial register with the socket 4 and spindle 8, it being supported in such position by thesubjacent engraved work piece and by the table 45 until the spindle 8 has returned to work holding position. having been accomplished, thestable 45 automatically lowers to release the engraved work piece from the lower ends of the guide bars 3 and to permit it to pass down the table to any suitable receiving receptacle provided therefor, after which the table 45 is again raised with respect to the guide bars 3, 3 to support a work-piece therein when next released by the holding parts. The plate forming the table 45 is of resilient material to adapt it to have yielding oscillatory movements and it rises from a sta-' tionary support at one side of the machine and then extends inward on an incline between the lower end of the magazine3 and the shaft 31. The inclined'tportion of the table is free for vertical movements between said parts and normally stands adjacentto the shaft 31, as shown by the full line position in Fig. 3. The properly timed raising This I and lowering movements. of the table 45 are controlled, in the presentinstan'ce, by the provision of a pin 46 on the inner side of.

the gear 43, such pin at each revolution thereof moving into contact with the bottom of the table 45 at the adjacent edge thereof and efiecting first a raising of the table and then permitting'a lowering of the same.

In the operation of themachine the operator connects the shaft 15 with driving means to effect a rotation of the worm 14 and parts connected therewith, and places a plurality of work-pieces A in reclining superimposed relation in the chute or magazine formed by the bars 3, 3, and the lower one of tho articles being placed in holding engagement with the recess and spmdlehaving a centering action on the work-piece. It is preferable to have the trip-lever 13 at the beginning of. its cycle of movements with respect to the trip-rod 44 when the spindle is plaoed in holding engagement with the work piece.

It will, of course, beunderstood that ifdesired the working of the machine may be started afterthe spindle has been engaged with the lowermost work piece in the guide chute.

At each complete rotationof the cam Wheel -with the'vibrating surface of the shaft30,

and the engraver point 27 to have contact with the work-piece, the vibration imparted to the lever 26 duetorthevcoaction of the finger 29 and shaft surface 31 causing successive movement-s of the engraver point into and out of contact with the work so that a broken groove is formed in its surface. The reciprocatory movement of the vibrator shaft 30, due to its coaction with the working face of the templet or pattern member 7, causes the engraved portion of the work to assume a configuration similar to that of the working face of the templet. lVhen the free end of trip lever 13 has moved into register with the trip-finger ist at the end of a cycle of operations ofthe machine, such finger will be engaged and swung outward or tripped bycontactof the trip rod therewith, thereby effecting a withdrawal of the spindle 8 from work holding position and permitting the engraved work-piece to lower onto the table d5, which is now in raised position. At the same time the next work piece lowers into working position and is supported in such position by the engraved work piece until the spindle 8 is permitted to return and remain in work holding position for the next cycle of operations of the machine. The engraved work-piece is then released from the lower end of the guide bars.3 and discharged from the machine by thelowering of the table 45. It is evident that Ihave provided a simple and efiicient machine which is entirely automatic in its operation for successively feeding pen barrels or other work pieces to working position, engraving the same and then releasing and discharging the engraved work piece from the machine, thus materially cheapening and facilitating the engraving operation of fountain pen barrels or similar articles. I a

I wish it understood that my invention is not limited to any specific construction, ar-

rangement or form of the parts, as it is capable of numerous modifications withoutdeparting from the spirit of the claims.

Having thus described my invention, what-I claim as new, and desire to secure by Letters Patent, is I I 1. In a machine of the class described, a reciprocatory frame, a member carried by said frame for vibratory movements trans- 1 frame.

versely of .its reciprocatory movements, means urging a movement of said member into work coacting position with respect to said frame, means operable to periodically move said member out of work coacting position, and means for imparting vibratory movements to the member when in work coacting position and reciprocated by said 2. In a machine of the class described,

work holding and turning means periodically operable to move into and-out of work 'engaging position, means for holding and guiding the movements 'of'work pieces into position to be engaged by said holding means, anengraving member, and means operable to reciprocate said member lengthwise of a work piece held by said first means and to periodically move said member into and out of coaction with the work.

8. In a machine of the class described, means having a rotatable and axially movable work holding spindle, means for rotating said spindle, means for acting on a work piece held by said spindle, and means for moving said spindle to release a work piece when the spindle has been turned a predetermined extent.

111 a machine of the class described, a rotatable and axially movable work holding spindle, means for rotating said spindle, a reciprocatory work coacting member, means for reciprocating said member and means operable by movements of said member to move said spindle to release a work piece at a predetermined point in a turning movement of said spindle.

5. In a machine of the class described, a rotatable and axially movable work holding spindle, means for rotating said spindle, a trip lever connected to said spindle, and means operable to periodically trip said lever and impart a work releasing move ment to said spindle.

6. In a machine of the class described,

a rotatable and reciprocally movable work holding spindle, means for guiding the movements of a plurality of work pieces into spindle engaging position, means for rotating said spindle, a trip lever connected to and rotatable with said spindle, and means operable to act on said lever at a predetermined point in each revolution thereof to move said spindle to release an engaged work piece.

7. In a machine of the class described, means for holding and rotating a work piece, a work piece engraving member mounted for reciprocatory movements in one plane and vibratory movements in a different plane, means for reciprocating said member and periodically moving it into work coacting position and means operable to impart vibratory movements of the memher.

8. Ina machine of the class described, means operable to reciprocate a part thereof in one plane, a roughened member with which said part coacts, when reciprocated,

to impart vibratory movements to the part,

and means for shifting said member to vary the vibrations of said part with respect to the reciprocatory movements thereof.

9. In a machine of the class described, a work engraving member mounted for reciprocatory movements in one plane and vibratory moments in a different plane, a roughened part with which said member may have contact when reciprocated, Whereby vibratory movements are imparted to the member, and means operable to impart predetermined'shifting movements to said part to vary the vibrations of said-member with respect to its reoiprocatory movements.

10. In a machine of the class described, means operable to hold and rotate a work piece, a vibrator shaft, means for rotating said work holding means and shaft in unison, a work engraving member mounted for reciprocatory movements lengthwise of said shaft and vibratorymovements transversely thereof, and having a part for contacting with said shaft when the member is reciprocally moved for vibrating the member, and means for reciprocating said member.

11. In a machine of the class described, a work holding and rotating means, a vibrator shaft, means for rotating said shaft in unison with said work holding means, a work engraving member mounted for reciprocatory movements longitudinally of said shaft and for vibratory movements transversely thereof, said member having a part which coacts with said shaft to impart vibratory movements to the member when it is reciprocated, and means operable to reciprocate said member and to periodi: cally move it into and out of position to have contact with a work piece and with said shaft.

12. In a machine of the class described, means for holding and rotating a work piece, a vibrator shaft having a succession of ciroumferentially extending ridges, means for rotating said shaft in unison with said work holding means, a work engraving member mounted for reciprocatory movements longitudinally of said shaft and for vibratory movements transversely thereof, said member having a part which coacts with the ridges on said shaft to impart vibration to the member when it is in work ooacting position and reciprocally moved, and means for reciprocating said member, said shaft having a plain portion on one side thereof which, when turned into register with the coacting portion of said member, prevents a vibration of the member.

13. In a machine of the class described, means for holding and rotating a work piece, a vibrator shaft, having a succession of circumferentially extending ridges, means for rotating said shaft in unisonwith said work holding means, a work engraving member mounted for reciprocatory movements longitudinally of said shaft and for vibratory. movements transversely thereof, said member having a part which coacts with the ridges on said shaft to impart vibration to the member when it is in work coacting position and reciprocally moved, means for reciprocating said member, said shaft having a plain portion on one side thereof which, when turned into register with the coacting portion ofsaid member, prevents a vibration of the member, and-means for impart.

tive position.

15. In a machineof the class described, a work guiding chute, means operable to hold a work piece in predetermined position with respect to said chute and then to release the same to permit one work piece to move from, and another to move into work operating position, and a delivery table disposed below the discharge end of said chute and operable to cooperate with the released work piece to support the other in position to be engaged by said holding means and then to lower to permit a discharge of the released work piece from said chute, and means for periodically raising and lowering said table.

16. In a machine of the class described, work holding and turning means periodically operable to move into and out of work engaging position, an engraving member, and means operable to reciprocate said member lengthwise of the work-piece held by the said first means and to periodically move said member into and out of coaction with the work.

17. In a machine of the class described, means having a rotatable and axially movable work holding spindle, means for rotating said spindle, an engraving member, means operable to reciprocate said member lengthwise of a work-piece held by said first means and to periodically move said member into and out of coaction with the work,

and means for moving said spindle to release a work-plece when the spindle has been turned a predetermmed extent.

18. In a machine of the class described,

a rotatable and axially movable work holding spindle, means normally retaining said spindle in work holding position, means for rotating the spindle, a reciprocally movable work coacting member, means for 1mparting reciprocatory movements to said member, an element attached to and pro ect1ng transversely of said spindle, and means having its movements actuated by said member reciprocating means and operable to coact with said element and effect a work releasing movement to said spindle when at a predetermined point in itsturning move ment.

19. In a machine of the class described,

- a rotatable and axially movable work holding spindle a longitudinally movable vibrator member,a work engraving tool, means for imparting reciprocatory movements to said tool lengthwise of a work-piece held by said spindle and cooperating with said vibrator member to impart vibratory movements to said tool, and means for simultaneously rotating said spindle and imparting predetermined and axial movements to said vibrator member.

20. In a machine of the class described, a rotatable and axially movable work holding spindle, a rotatable and axially movable vibrator shaft, a work engraving tool, means for imparting reciprocatory movements to said tool lengthwise of a work-piece held by said spindle and cooperating with said Vibrator shaft to impart vibratory movements to said tool and means for simul. taneously rotating said spindle and imparting rotary and predetermined axial movements to said vibrator shaft.

In testimony whereof, I have hereuntc signed my name to this specification.

FRANK H. MOONEY.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

' Washington, D. C.

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