US2325642A - Machine for acting on cartridge cases - Google Patents

Description

1943- J. E. TURNOCK ETAL 2,325,642

MACHINE FOR ACTING ON CARTRIDGE CASES Filed March 27, 1940 12 Sheets-Sheet l Aug 3,1943 J. E. TURNOCK ET AL 5 9 MACHINE FOR ACTING 0N CARTRIDGE CASES Filed March 27, 1940 12 Sheets-Sheet 2 Invenmra J1: e-Eph E Turnn ck Gerurd l]. Nmhl E J. E. TURNOCK ETAL MACHINE FOR ACTING 0N CARTRIDGE CASES I Aug. 3, 1943.

v 12 Sheets-Sheet 4 Filed March 27, 1940 lnven r clre, Joseph E.Turnmck Gernrd D. NElhlE 5y WM AJIJEEITRE .s

1943- J. E. TURNOCK ETAL' 2,325,642

MACHINE FOR ACTING'ON CARTRIDGE CASES lnvenmre,

' Juana-13h E.Tur'nur:k

Gernrdll Nuhle AH urn eya 3, 1943. .1. E. TURNOCK ETAL 2,325,642

MACHINE FOR ACTING 0N CARTRIDGE CASES Filed March 2'7, 1940 12 Sheets-Sheet 6 l I n u numm "Ill-If? run-i! mg 29 Inw Afcunrruaya.-

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m 1431 J. E. TURNOCK ET AL $25 642 MACHINE FOR ACTING 0N CARTRIDGE CASES FiledMaICh 27, 1940 12 Sheets-Sheet '7 Fig.5- fi 1U Aug. 3, 1943.,

J. E. TURNQCK ET AL.

MACHINE FOR ACTING 0N CARTRIDGE CASES Filed March 27, 1940 12 Sheets-Sheet 8 Aug. 3,- 1943. J. E. TURNOCK ETAL MACHINE FOR ACTING ON CARTRIDGE CASES 1?. Sheets-Sheet 9 Filed. March 27, 1940 Inverfiors I .lnaeph E.Turnuck I GErtLPd 11.1%; B V

A r rcarnaya J. E. TURNOCK ET AL 2,325,642

MACHINE FOR ACTING ON CARTRIDGE CASES Filed March 27, 1940 12 Sheets-Sheet l0 Ii g- 17;

lnven rura Joseph E.Turnuck Gerard D N U]II]E EV w w 3, 1943. .J. E. TURNOCK ETAL 2,325,642 MACHINE FOR ACTING ON CARTRIDGE CASES Filed March 27, 1940 12 Sheets-Sheet ll Invenimna J1: .seph E.Tur nn ck /a GEP'CLTEI IlNu'hlE 3, W43. J. E. TURNOCK EFAL MACHINE FOR ACTING ON CARTRIDGE CASES Filed March' 27, 1940 12 Sheets-Sheet 12 Irlventura A1 ccwne .5

aiented Aug. 3, 1943 MACHINE FOR Ag TING N CARTRIDGE ASES Joseph E. Turnock, Riverton, N. J and Gerard D.

- Noble, Philadelphia, Pa.

Application March 27, 1940, Serial No. 326,208

(Granted under the act of March 3, 1883,as

1 Claim.

amended April 30,1928; 370

The invention described herein may be manufactured and used by or for the Government for governmental purposes. without the payment to us of any royalty thereon.

This invention relates to a machine for acting on cartridge case.

The purpose of the invention is to provide a machine which will burr a cartridge case; detect for the absence of a case, form a vent, detect for the absence of a vent, insert a primer, detect for an inverted primer or the absence of a primer, seat and crimp the primer, apply a waterproofing material and wipe excess material from the primer.

The machine is characterized by an organization of driving mechanism which is beneath the bed over which the cartridge cases are transferred to prevent oil or other foreign matter from dropping on or intothe cases or primers as they are being transferred from station to station.

The machine also includes novel mechanism for supplying cartridge cases and for moving them from station to station, for stopping the machine in response to the detect elements, and for feeding primers to the case.

The specific nature of the invention as well as other objects and advantages thereof will clearly appear from a description of a preferred embodiment as shown in the accompanying drawings in which:

Fig. 1 is a view in front elevation of the machine;

Fig. 2 is a plan view;

Fig. 3 is a sectional view on the line 3-3 of Fig. 1, parts omitted;

Fig. 4 is a sectional view on the line 4-4 of Fig. 1;

Fig.5 is a view in right side elevation;

Fig. 6 is a view in left side elevation;

Figs. 7 to 10 are sectional views on the corresponding lines of Fig. 1;

Fig. 11 is a plan view of the transfer mechanism;

Fig. 12 is a view in front elevation thereof;

Fig. 13 is a view on the line l3l3 of Fig. 7;

Fig. 14 is-a similar view with the transfer bar in a different position;

Fig. 15 is a sectional view on the line i--l5 of Fig. 13;

Fig. 16 is a perspective view of an element of the transfer mechanism;

Fig. 17 is an enlarged sectional view on the line Ill-l7 ofFig. 7;

Fig. 18 is a view in elevation of an element of Fig. 17;

Fig. 19 is a plan view of the primer inverter;

Fig. 20 is a view in elevation of Fig. 19 with parts in section;

Fig. 21 is an exploded view of elements of the throw-out mechanism;

Fig. 22 is a sectional view on the line 22-22 of Fig. 24;.

Fig. 23 is asectional view on the line 2323 of Fig. 22;

v Fig. 24 is a plan view partly insection of the varnishing mechanism;

Fig. 25 is a sectional view on the line 25-25 of Fig. 24;

Fig. 26 is a sectional view on'the line 26-16 of Fig. 25;

Fig. 27 is a sectional view on the line 21-21! of Fig. 5;

Fig. 28 is a sectional view on the line 28-2t of Fig. 27;

Fig. 29 is a sectional view of the base of a cartridge caseloaded with a primer.

The machine comprises a support consisting of a lower plate 5, upright posts 6 and an upper plate i. Guides 8 on the lower plate (Fig. 6) support four vertical rods 9 which pass through the upper plate '5 and carry an upper crosshead i ii at their upper extremities. A lower crosshead ll is slidably mounted on the rods 9 below the upper bed plate 1 (Figs. 9 and 10). Each pair of rods 9 at the sides of the machine are connected by a bearing member l2 which is fitted to the rods, and the pair of bearing members carry a shaft iii. A pair of connecting rods i l-i l on the shaft l 3 are associated with conventional eccentrics (not shown) on a drive shaft l5. A pair of connecting rods l 6-4 6 on the lower crosshead Ill are similarly associated with eccentrics (not shown) .on the drive shaft. The eccentrics are oppositely arranged as indicated in Fig. 1 so that the upper and lower crossheads are simultaneously moved towards and fromthe upper' plate 1'.

The lower crosshead carries on its upper side seven stems H which are adapted to enter the mouth of a cartridge case A and which are arranged in line in spaced relation. The upper crosshead carries seven tools which are designated as subs of I8 which are adapted to engage the base of the cartridge and which are in alignment with the stems l1. The cartridge case A (Fig. 29) has a preformed cavity a when it is introduced into the machine. The cartridge case after passing through seven stations represented by the seven tools is shown in Fig. 29. The operations to be performed at the seven stations are serves to advance the transfer sence of a cartridge case; No. 2, venting; Nos. 3 and 4, detecting the absence of the vent; No. 5, inserting a primer; No. 6, detecting the absence of a primer or an inverted primer; No. '7, seating and crimping the primer.

The cartridge cases are fed from a hopper B and pass by gravity base end foremost down an inclined chute or tube is which terminates in a vertical magazine 20 (Figs. '7 and 17) fixed to the upper plate I. The upper end of the magazine has a large mouth and at one side there is an inclined trough 2| which is in continuation of the tube so that a cartridge case may slide down the trough until brought to rest by the inclined plate 22.

A rocker 22 plvotally carried by the magazine is engageable by a cam 24 on the upper crosshead so that upon reciprocation of the latter the rocker will be intermittently moved to insert a pair of fingers 25-25 (Fig. 18) into the magazine and push the cartridge out of the trough. As the case rolls from the trough the base is positioned in rear of and above a pin 26 sothat the front of the case will fall first, thereby being inverted and emergingmouth foremost from the magazine. The magazine includes a hinged portion 20a and a plunger 20b for clearing jams. The case now drops alongside a rail 21. (Figs. 7 and '8), its upper portion disposed in the slot of an upper guide plate 28 mounted above the rail 21 and its lower shoulder portion being disposed in a slot in a lower guide plate 29 mounted below the rail 21-. The lower edge of the case rests on a bar Ill (Fig. 7) which has apertures ll (Fig. 8) through which the stems I'I pass to enter the case. As seen in Figs. 13 and 17 an and block 22 is provided to support one side of the intermediate portion of the case as it arrives from the magazine. The opposite side of the case is engaged by the recessed end of a pivoted holding finger 22 whose movement under the action of a spring. ll is limited by the engagement of a nose 3! with a block 28. A plurality of fingers are provided to correspond to step by step movement of the cartridge case across the machine.

The means for imparting a step by step movement to the cartridge cases comprises a transfer bar- 21 (Figs. 13 and 14) having a plurality as follows-No. 1, burring and detecting the abed in a hanger 56 attached to a bracket 51. The free end of the lever rides on a cam 58 on the drive shaft. This mechanism serves to retract the transfer bar against the action of springs 51. A lever 69 pivotally mounted in a bearing 60 carried by bracket 51 has its upper end plvotally attached to a coupling 6| (Fig. 11) on the transfer bar and its lower end provided with a cam pin 62 riding in a cam slot 63 on the drive shaft. This mechanism serves to reciprocate the transfer bar.

Referring to Fig. 1 the tools "a, lBc-IBd, and III], which are employed at "detect" stations, are associated with mechanism for automatically stopping the machine. As seen in Fig. 2 there are three horizontal shafts ll iournaled on the upper side of the upper crosshead. Similar levers 65 fixed on, the end shafts engage the tools Ito and is! while a single lever 66 engages both tools I80 and lid. Each shaft carries a depending finger, 61 (Fig. 8) which is adapted on lowering of the crosshead to strike the horizontal arm of a bell crank lever 68 (Fig. 1) pivotally carried by avertical plate 69 (Fig. 8) fixed to the plate 'I. The slotted lower end of the vertical arm of lever is engages a pin 10 on a horizontal latch bar 1.! (Fig. 21). The latch bar is normally held by a spring 12 at its left end into the path of a lug I2 on the upper end of a vertically slidable bar ll whose movement is limited by spaced stop pins 15-15 adapted to engage opposite sides of guide member IS.

The vertical bar 14 is provided with another lug 11 for supporting a pivoted throw-out lever II (Fig. 5). ll link I! normally depressed by a spring III connects the lever II with a plate 8| slidably mounted in a guide 62. The plateli has an arcuate lower end formed with a cam surface ll (Fig. 28) adapted to enter a peripheral groove II in a collar Ii keyed to the drive shaft. A key ll slidabiy mounted in the collar 8! is normally urged by a spring 01 into a recess 88 in a gear wheel 8! which is driven from a source of power indicated by gear wheel 80. The key is formed with a slot ii to provide a cam follower 92 which is normally disposed in the groove 24 in the collar 85. When the plate 8| is lowered into the groove ll of the rotating collar I5 the cam follower which is rotating with the collar will of sets of vertically spaced and aligned recesses I2 and 39 adapted to partially embrace a cartridge case. The transfer bar has a quadrangular motion, advancing from an initial retracted position as in Fig. 13 to the cartridge engaging position of Fig. 14, then feeding one step to the left, retracting. and finally returning to initial position.

The mechanism for performing this operation comprises a pair of slides "-40 (Fig.

18) mount engage the cam I3 and the key will be declutched from the gear wheel 8!.

' A metal sleeve 93 shrunk on the collar 5 rides within a pair of brake shoes 24 (Fig. 5) which are pivotally mounted on the support and urged together by a spring Ii.

Referring to Fig. 2 primers which are'to be placed in the cartridge case are hand-fed, anvil ed In the upper plate '1 (Fig. 15). .A block ll fixedto the inner end of each slide is provided 0 on the outer end of each block slides in a with a pair of bolts 4242. each carrying a roller 48 disposed in a slot ll in the transfer bar.

tubular housing lliFig, 15) fixed to the plate I and acts on helical spring II which is seated on the outer plug I! in the housing (Fig; 'l)- The shaft 41 is rocked by means (Figs. 5 and 6) which connects a lever It on of son: a

side up, onto a rotating tray I which is mounted on a spindle Il (Fig. 8) driven by gearing 98' from a shaft (Fig. 1) pulley ill and belt llll which is associated with the drive shaft. A plate 102' (Fig. 2) supported by the spindle (Fig. 8) isflxedtoanarm ill formingpartofa flange ill secured to plate I. The arm is additionally supportedby a bracket in. The arm is spaced from the plate "2 to provide a channel ili for the passage'of the primers in single file. The plate I22 cooperates with the'flange Ill and the base of the arm ill to provide a converging path for the primers on the tray. At the mouth of thechannel III the plate carries an agitator comprising aslide ll'l moved by one arm of a lever II... The other arm of the lever engages an annular rowof pins III! on a disk ilil which is fixed to the The lever is rocked in one direction by the pins its and it is returned byaspring III.

At the exit of the channel the foremost primer is brought up against a stop plate M2. A feed finger H3 reciprocable between the stop plate lit and the plate I02 (Fig. 2) is actuated by a lever IItI (Fig. 9), which is pivoted on a hanger Mt attached to the plate I. The lever I114 carries a roller I It which rides on a cam lI'I forming part of a rack bar IIt secured to the lower crosshead II. The roller is held against the cam by a spring II 5.

Referring to Figs. 19 and 20 the finger Mil pushes the primer between the spring held jaws of a clamp IZIl'which is carried by a shaft I211 mounted on pins I22 in a bracket I23. A pinion I24 on the shaft meshes with the teeth on rack bar 'IIB (Figs. 9 and 10), so that the shaft is rocked through an angle of 180 degrees on reciprocation of the lower crosshead II. The clamp I20 carried by the shaft moves through a corresponding angle to reverse the primer and position it, anvil side down, above the cavity a of the cartridge case A so that the tool I86 at station No. may push it out of the clamp and insert it into the cavity a.

Tool its is provided with an adjustingcollar I25 and a spring I25. Tools I81), We, and My are fixed while tools Ito, Mid, and 18! are similarly provided with a spring IilI. Similar strippers Itt (Fig. 3) for engaging and holding the cartridge case are provided for the stations of tools Itb, c, and d and a difl'erent type of stripper I29 is provided for the station of tool Iflg.

The upper plate l extends at one side of the machine to carry a varnishing and waterproofing mechanism which comprises a pair of reservoirs I38 and Itl (Figs. 6 and 24), the reservoir I39 adapted'to supply varnish or a waterproofing material through a valved pipe I32 to a lower tank I33 (Fig. 25) below the plate I and arm I571 of a bell crank lever.

the outer pivoted end of the rod. The end of the rod which projects through the bearing carriesa collar I55 for engaging the bearing and it also carries a set screw I56 for engaging the lower The upper arm I58 of this lever is adapted to strike the vertical slide I43 to move the applicator towards the cartridge case where it deposits a drop of varnish on the primer. Th slide I44 is moved to the right in Fig. 25 through the intermediation of the spring I 54 and it is stopped in predetermined position by a set screw I53 while the rod continues its movement to strike the arm I51. Movement of the slide to the left is accomplished by engagement of the collar I55 with the hearing I5I.

The actuating mechanism for the elements carrying the applicators comprises a connecting rod I69 (Figs. 6 and 25) which is reciprocated by the drive shaft and is connected to the lower arm of bell crank lever I53 pivoted on bracket I48. The connecting rod is also connected by means of a link I6I to a lever I62 which is pivotally mounted on the lower part of the bracket I48 and has a 1ink I63 connected to the vertically slidable bar Mn.

Referring to Fig. 6 there is shown an endless belt I6 3 trained around spaced lower pulleys I 65I65 and a single upper pulley I66 which is slidably mounted on a vertical rod It? and normally elevated by a spring I68. A ratchet wheel I69 associated with one of the pulleys is intermittently driven by a pawl are carried by lever IN. The lever III is actuated by link H2 from the connecting rod IEIl.

'An arm I73 pivotally mounted on the bracket I48 carries a roller I14 which engages the inner reach of the belt above the cartridge case. A link H5 connects the arm with lever I52 and serves to intermittently depress the arm so that the roller will move the belt into contact with the base of the cartridge case in order to wipe excess varnish from the primer.

Referring to Fig. 22 when the cartridge case reaches the end of its travel by the action of the transfer bar 3111 member M6 on the end of the bar pushes the case onto a drying rack Ill.

the cartridge which at this stage in its travel is raised above the guide plate and is supported by spaced rails Iii-MI (Figs. 22 and 25) which engage the rim of the cartridge case. An applicator I ltassociated with the upper tank is carried by a vertically movable slide I43 which in turn is carried by a horizontally movable slide Mt mounted in a guide I45. A roller I46 on the The operation has been described in connection with the description of the component elements.

We claim:

In a machine of the character described, a bed plate, means for supplying cartridge cases to the bed plate, open end down, means for moving the cases step by step across the plate, an elongated perforated plate engaged by the open ends of the cases in their lineal movement across the bed plate, jointly reciprocable tools above the bed plate for acting on the bases of the cases and longitudinally arranged with respect to the path of movement of said cases, jointly reciprocable stems below the bed plate and positioned to extend through the perforations in the elongated plate and into the cases to assist in locking them in true vertical position and means for simulta-- neously reciprocating the tools and stems in opposite directions.

JOSEPH E. TURNOCK.

GERARD D. NOBLE.

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