US1273902A - Magazine mechanism. - Google Patents

Description

r.- MULLER; MAGAZINE MECHAMSM. v APPLI CATION nub OCT. 23, 1917- 7 1,273,902. Patented July 30,1918.

4 SHEETS-SH-EET I.

- J/wmron BY I F. MULLER. MAGAZINE MECHANISM. "APPLI-CATION FlLED 0CT. 23. I917.

Patentd Jul 30, 1918.

4 SHEETS-SHEET 2.

Y j mmv'ron F. MULL'ER. MAGAZINE MECHANISML APPLICATION lElLED ocr. 23. mi.

Patented Ju1y30, 1918.

4 SHEETS-SHEET 3.

(NVEMIOR \x Ww "F. MULLER.

' MAGAZINE MECHANlM.. APPLICAII ON F iLED 0CT'.2-3. 1917'.

1,273,902. Patented Ju1 '30-,1918.

4 SHEETSSHE ET 4.

' INVENTOR I Mex UNITED STATES PATENT OFFICE.

ITRIEDERICH MULLER, OF HARTFORD, CONNECTICUT, ASSIGNOR TO PRATT & WHITNEY COMPANY, OF YORK, N.v Y., A QOItPORATION OF NEW JERSEY.

- MAGAZINE MECHANISM.

' Specification of Letters Patent.

Patented July 30, 1918.

Original application filed February'8, 1911, Serial No. 607,420. Divided and this application filed October 23,

new and useful Improvements in Magazine Mechanism, of which the following is a specification. v

The invention relates particularly to a magazine mechanism adapted for use insupplying blanks to metal Working machines .such as milling machines, lathes, grinding machines, etc. The mechanism as herein illustrated and described has features which particularly adapt it for use inconnection with or as a part of a machine for milling the thread convolutions on grooved tap blanksybut it will be understood that as concerns other features of the invention the spindle 4 which serves to intermittently mechanism is adaptedto be'used in connection withwidely differlng machines.

.The object of'the invention is to provide.

a magazine mechanism having various improved features whereby are attained simplicity of construction, reliability of operation, ease of adjustment and other important advantages which will be apparent from the following specification and claims.

This application constitutes a division of my copending application for tap making machines, filed February 8th 1911, Serial No. 607,420 and renewed on October 23rd, 1917, as Serial No. 198,185. The construction as herein presented is peculiarly adapt" ed for use in connection with a machine such as that shown in the aforesald application, but it will be understood, as above stated,

that as concerns many of its features the mechanism is equally well adapted for other machines. y 1

Of the drawings which illustnate the preferred embodiment of the invention: Figure 1 is a rear view of a metal working machine provided with a magazine mechanism embodying the invention.

Fig.2 is a cross sectional view throug y the machine showing the magazine mechanism and the operating devices therefor.

Fig. 3 isa fragmentary vertical sectional viewthrough the magazine mechanism.

F ig, 4 is a view similar to Fig. 3 showing the parts in a different position of adjustment.

f Fig. 5 is a plan View.

. the proper times.

SerialNo. 198,056.

Fig 6 isa View showing certain details.-

InFig. 1 I have illustrated a metalworking machine which is adapted for making taps, this machine being the same as that set forth in my aforesaid application of which this present case is a division. It will not be necessary to herein describethe entire machine in detail, and it will be sul'ficient to point out that the machine comprises a chuck 1 and a tailstock having a center 2, the chuck and the center cooperatply blanks successively to a position in alinement with the said chuck and said center which thereupon engage the blanks.

The machine is provided with a shaft or rotate the chuck and thereby the blank at For cutting there is provided a rotating mllling cutter 4 The machine is also provided with a longitudinal shaft 5 which is operated alternately with the spindle 4. This shaft serves to operate several cams for controlling the operation of the machine. y

In the embodiment of the invention illustrated the mechanism for supplying blanks to the blank-holder includes a magazine 6 mounted on a slide 7 arranged in a guideway 8 fixed on the frame. The magazine includes an angular upright or standard 9,

the blank .ing to support the tap blank or other part one portion 10 thereof forming a side section and another portion 11 forming an end section of the magazine. The opposite end section of the magazine comprises an angular plate 12 adjustably secured to the portion 10 of theupright to adaptthe magazine toaccommodate blanks of different lengths.

Adjustably mounted on the inner face of the end portion 11 is an angular plate '14.

The angular plate 12' is provided witlntwo plates 15 .and V 16- relatively adjustable by means, respectively',"of the adjusting screws 17 and 18 threaded through the angular plate pl2and 'an angle bracket 13 secured to the plate 12. The plates 14, 15 and 16 are made adjustable toprovide a channel or runway 19 adapted to accommodate differentsized blanks.

As shown in Figs. 3 and 4, the blanks A horizontal face 31. It will be understood that the cam block is stationary, while the provided. The preferred embodiment of this mechanism includes a shaft 20 journaled in the upright 9 near the bottom ofthe magazine. Fast on said shaft is an arm 21. Arranged in juxtaposition to said arm 21 and loose on said shaft is an angle lever 22.

Extending through the ends of the arm 21 and-the lever 22' is a-T-h'eade'd pin 23 whi'oh isencircled by a-compression spring 24 confined between the said ends. Also fast on said shaft 20 is an arm 25 which rocks the shaft and through the arm 21 and spring 24-rock's the lever 22 which is loose upon the shaft 20. The lower branch of this lever 22 is provided with fingers 26 and 27 ,which, by, reason of the spring 24, are yieldingly thrust between the blanks in the channel when the shaft 20 is rocked in one direction, the finger 26 being projected between the\ fluted portions and the finger 27 between the shanks of the two lowermost blanks, thereby separating and slightly lifting the blanks within the'magazine. By this meansf the descent of the blanks in the blank channel of the magazine is controlled, so that but one blank can be delivered therefrom at a time.

In order to actuate the arm 25 to performthe function just described, a cam block28 is fixed on the guideway 8. The cam block 28 is provided with a horizontal face 29, adownwardly sloping face 30, and a second magazine moves, and that whenthe lever 25 is resting on the ineffective face 29,the fingers 26 and 27 will project into the blank channel and support the blanks therein. As the magazine moves toward the spindle 4 and carries with it the arm 25,'the end of said arm traverses the inclined face of the v cam block and turns the shaft 20 either by the weight of the arm or by a spring (see Fig. 1) to actuate the arm 21, which through the T-heade'd pin 23 rocks the angle lever 22 and withdraws the fingers from the blank channel to the positions shown in Fig. 4. As

the magazine is moved away from the spin dle 4, the arm 25 again traverses the inclined face of the cam block and thereby effects a rocking of the shaft. 20 which in turn moves the arm 21, and this through the spring 24 transfers its movement .yieldingly to the angle lever 22 and again yieldingly positions the blank-engaging fingers in the blank channel of the magazine.

The movement of the magazine is accomplished in the following manner: Upon the lower portion of the magazine support 7 a depending block 33 is adjustably secured by a projection 34, adjusting screws 35 and 36,

and clamp screw 37, to regulate the extent of movement of the said support- The block 33 is provided with an antifriction roller 38 (see Fig. 2) which occupies a'position below. the plane ofthe top plate of the ma.- chine. Arranged in juxtaposition to said antifriction roller 38 is a camdrum 39 provided with cams 40 and 41. The cam drum is fasten a transverse shaft 42 suitably journaled in the frame work of the machine and driven from the shaft 5 by bevel gears 43 and 44.

To receive a blank from the magazine and transfer it to the blank-supporting means, a

blank carrier is provided and actuated as follows: As shown, the blank carrier comprises asegmental member 45 (see Figs. 3 and 4) pivoted upon the slide 7Iimmediately beneath the magazine. The segmental mem-' ber is'op'erated by a depending arm carrying an antifriction roller 47 adapted to travel in a cam groove 48 formed in a block 49 fixed on the machine frame. The segmental member 45 is provided with a transverse groove in which is located a blank carrier member 50 (see Fig. 6) having a recess of arsize and shape adapted to hold the blanks A. This member 50 is made detachable, being normally retained by a screw 51 in order that it may be removed and re placed by similar members having recesses suitable for blanksof difi'erent sizes.

For the purpose of positioning the blanks in predetermined relation to the blank carrier, thereby enabling the latter to deliver the blanks in predetermined position with relation to the blank support and cutter, the carrier member is recessed at one side, as shown in Fig. 6, and means are provided acting ,through this recess to engage the blank in such a way as to position it in the carrier member. As shown, a spring detent 52 isfixed on the carrier member, said detent tending normally to remain in a re-- position to the blank-delivering position shown in Fig. 4, means are provided for actuating the detent to position the blank and retain it in the carrier to prevent accidental dlsplace-ment. As shown, a lever 53 is fulcrumedon the segmental member 45 with one end adjacent to the detent 52 and the other end dependmgin a position to strike 'a stationary cam block 54 fixed on the frame in the position indicated in dotted lines in F g. 3. The lever is normally pressed to wardv the detent spring 52 by a spring which has sufficient force to overcome the a detent spring.

The cam groove 48 is so formed and located that, when the slide 7 is in its retracted position, the carrier 50 is in position to receive the lowermost blank which is sepa-,

rated from the'remaining blanks in the magazine. When the slide 7 is advanced, the

starts from the position shown in Fig. 8,

the lever 53 is released and the spring 55 moves the detent 52 into contact with the flat portion of the blank to position the blank in the holder and prevent accidental displacement thereof. When the blanks in and 27 durin'gthe forward motion of -the' the magazine are'released by the fingers 26 parts, they drop down so that the lowermost blank rests upon the concentrlc surface of the segment and isretained thereby in position to drop into thecarr'ier member 59, when the segment returns to normal position. When the carrier is in'the position shown in Fig. 4 the blank is engagedby the tailstock and'bythe chuck in the manner already explained. As the 'carrier is resaid tailstock and chuck.

What- I claim is:

1. In a magazine mechanism, the combi-"- nation of a-transversely reciprocable runway for blanks, fingers adapted to be moved into the runway to support the blanks or out of the runway to release a blank, and means dependent on the reciprocation ofthe runway for operating the fingers.

' 2. In a magazine mechanism, thecombination of a reciprocable runway for blanks, fingers adapted to be moved into the run-.

cable slide, a transferring device pivotally mounted on the slide, and meansfor rela the position of supply.

4. In a magazine mechanism, the cfombina tion'of a reciprocable-"sllde, a runwayfor blanks carried by the slide, a transferringdevice, and means cooperating with the slide to give the transferring device a movement supplemental to the slide movement, the said device serving to receive blanks successively runway of supply. s v k I 8. In a magazine mechanism,-the com bination'of a runwayfor blanks, and a de-- I vice for receiving blanks successively from the runway and transferring them to a'posimined relation to the device. .tively moving the transferring device on its 3 pivotsas the slide reciprocates whereby the- -device serves. to receive blanks successively from the runway and to transferthemi' to from the runway and to transfer them to a positlon of supply. I Y I 5. In a magazine mechanism, thecombination of .a reciprocable slide,"a"runway for I blanks carried by the" slide, 'a pivotally mounted transferring-device, and, means 00- operating with the slide to operate thetrans ferring device, the "said device serving-to receive blanks successivelyfrom-therunway and to transfer them to a position of supply. 6 In a magazine mechanism, the combi nation of a reciprocable slide,fa runway for blanks carried by' the slide, a-"trans ferring device pivotally mountedv on the slide,[and

means for relatively moving the 'transferv ring device on its pivot as the slide recipro cates whereby the device serves to rec'eive blanks successivelyfrom the runway and to transfer them to aposition of's'upply.

-7. In a; magazine mechanism, the com-f bination ofa reciprocable slide, a runway for blanks carried by the slide, ring device pivotallyI-mounted on the slide,- a fixed "block having-a camgroove, and a projection on the transferring device fitting the groove, whereby the device is moved on r its pivot as the slide reciprocates thus servturned to the position shownin Fig. 3 the blank is drawn out, being retained by'the Y tionof supply, thesaiddevice comprising a l detachable block having a recess adapted to fit'a blank.

9. In amagazine mechanism, the combi- .8 5 a transfernation of a runway for longitudinally grooved approximately cylindrical blanks, ,andmeans for delivering blanks from the runway to a position of supply with the grooves ofeach blank in predetermined positions.

10. Ina magazine mechanism, the com-bination of" arunway for longitudinally carried by .the'transferring' device for holding each-blank'withits grooves in predetergrooved blanks, a device for receiving blanks successively from the runway and transfer- "ring them to aposition of supply, and means 11.- Ina magazine mechanism, the combisuccessivelyfrom the runway and transferring them to a. position of supply, and

means comprising aspring clip carried by tion to the device.

'12. In a magazine'mechanism, the combination of av runway for longitudinally grooved blanks, a dev'ice for receiving blanks "the transferring .device for holding each v blank withits grooves in predeterminedrelasuccessively from the runway and transfermeans for relatively moving the lever to rering them to a position of supply, means oarlease the clip when the transferring device ried by the transferring device for holding is in blank receivmg position. 19

each blank with its grooves in predetermined In testimony whereof, I hereunto amx my 5 relation to the device, the said means comsignature.

prising a clip and a lever for moving the a clip into engagement With a blank, and FRIEDERICH MULLER.

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