USRE13553E - Machine foe cutting and mounting sheet-metal stbips - Google Patents

Description

W. STUEBING. MAGHINE POR CUTTING AND MOUNTING SHEET METAL STRIPS.

APPLICATION FILED APB-.4, 1910.

Reissued A111215 In aelZZor 4 W.. STUEBING.

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MACHINE FOB. CUTTING AND MOUNTING SHEET METAL STRIPS. APPLIGATIQN FILED APRA, 1910.

Reissued Apr. 15, 1913. 1 3,553.

6 SHEETS-SHEET 3.

Mikasa-es W. 'STUBBING- MACH-INE FOR' CUTTING AND MOUNTING SHEET METAL STRIPS.

APPLICATION `FILED APB.. 4, 1910.

Reissued Apr. 15

A W. STUEBING. MAGHINB PoR GUTTING'AND MOUNTING SHEET METAL STRIPS.

APPLIOATION FILED APRA, `1910.

Reissued Apr. 15, 1913. Y

y 6 SHEETS-SHEET 5.

fnyefz to W. STUEBING.

MACHINE POR CUTTING AND MOUNTING SHEET METAL STRIPS.

APPLICATION FILED APRA, 1910.

Ressued Apr` 16. 1913. 13,553.

SHEETS-SHEETS.

- drawings, making part of this specification.

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. the position ofpaits ready for the last crimp.

n ing crimping bar, vise, and work in position.

UNITED sTArEs iniiriiisifr orrioii. 11

WIILLIANI S'I'UEBINQ or CINCINNATI, oIIIo.

MACHINE FOR CUTTING AND MOUNTING SHEET-METAL STRIPS.

Original No. 883,838, dated April 7, 1908, Serial No.

To all whom t may concern:

.Be it known that I, WILLIAM STUEBING, a citizen of the United Stat-es of America, and resident of the city of Cincinnati, in the county of Hamilton and State of Ohio, have' inventeda certain new and useful Machine for Cutting and Mounting Sheet-Metal Strips; and I do hereby declare the following to be a full and exact description thereof, reference being had to the accompanying My invention relates to machines for s evering sheetinetal strips, and the mounting of same as a binding for the edges of calendars, show cards, advertising cards, and the like, and it has for its object to simplifythe mechanism and reduce the number of operative parts to a minimum, whereby a very efficient and simple machine is the result, in which the sheet metal is cut into strips of the proper width and then automatically fed to the folders, at the same time that eyelets for the bound paper .sheet are also automatically formed vand fed into position to be bound up with the metal strips in proper position, all of which is accomplished by the novel constructions and arrangement of parts to be hereinafter particularly pointed out and claimed.

In the drawings, Figure 1, is a front elevation of my tin cutting and mounting ma-A chine, the driving pulley shown in section, and the rack partially in section. Fig. 2 is a plan View with feed board cut away, and a portion o-f frame in section. Fig. 3 is a section on line 3 3 of Fig. 2. ,Fig 4 is an end view showing driving gears. Fig. 5 is a section on line 5 5 of Fig. 2 showing the position of the different parts of the machine just before tlie first step in crimping. Fig. 6 is an enlarged view of the punch and crimper shown in Fig. 5. Fig. 7 is a plan view of punch andshears for making eyelet. Fig. 8 is a plan view of eyelet. Fig. 9 is a sectional view showingv the position of the different parts inthe second s tep of crimping. Fig. 10 is an enlarged view of 141g. 9, showing orimpingbar and v1se with work in position.y Fig. 11 is sectional view showing how lthecrimped piece is pressed by the vise. Fig. 12 is'a sectional view, showing Fig. .13 is an' enlarged view 0f Fg- 12, show- Fig;\14'is an elevation showing eyelet in paper after the first step. Fig. 15 is a section on line Vl5--15 of Fig. 14. Fig. 16 shows eyelet in paper after the last opera-v tion. Fig. 17 is a section on line 17-17 of Fig. 16. Fig.-18 is a sectional side elevation of rack for feeding the metal strips.

Specification of Reissued Letters Patent. Reissued Apr. 15, 1913. I

Serial No. 332,789. Application for reissue filed April 4, 1910.

The framework 1 of the machine has a main shaft 2, which is connected to any suitable source of power, as, for instance, by a' clutch pulley 3, fixed thereon, and driveirby a belt. The main shaft 2 carries a gear wheel 4, which meshes with the gear wheel 5 on the upper cam shaft 6, which carries a number of cams 7, 8, 9, 10, 11, 12, 13 and 14 fixed thereon, and connected-as hereinafter describedto the several crimping and cutting parts, supported by the framework 1, and hereinafter described. The several cams on shaft 6 are enabled to act on the knife bar, and crimping bar, through the slotted conneoting links 61 and 62. On the links are rollers G3, against which the cams operate to 1r)aise and lower the knife bar and crimping The tin or sheet metal to be folded over the edge of the display card, or other article, is fed to the machine in sheets, preferably by the feeding mechanism hereinafter described. The' sheet of metal is laid upon a stationary table 15, and clamped to the sliding feed bar 16 by the clamps 17e-18, and fed forward by the weight 19, which is at-- tached to the feed bar 16 by a cord 2Q, they cord 20 passing through the groove 21, and over the pulley 22. The sheet of metal is fed forward until it strikes against the limiting stop 23. In order to coperate with the knife bar 24 Von the frame work 1, a second knife bar 25 is fixed to a cross-bar 26, arranged to reciprocate vertically. The two knife bars Athus constitute shears for cuttingA the sheet metal into strips of the desiredv width.

When the upper knife bar 25 descends,

the projecting portion of the metal sheet is 100 severed and falls on to the reciprocating rack 27 ahead of the adjustable stop 28, this stop being adjustable to allow for the different lengthsv of metal strips.

Meshing with the rack 27, is the gear'29. On the same shaft 30 on which the ear 29 is secured isthe'bevel gear 31, which engages witlitlie' segment gear 32. yThe segment gear 32 is composed of two segmentsv V 33 and 34, arranged so that the segment 33 110` works onthe opposite side of the bevel gear 32, from which 34 works thereby reversing the direction of the revolution of the bevel gear 31 and the shaft 30, to which the bevel gear v31 is rigidly attached. The gear 29 being secured to the shaft 30 revolves as the shaft 30 revolves. The segments 33 and 34 of the se ent gear 32 vonly engage the bevel gear 31 dil a portion of a revolution, thereby pemnitting the rack 27 to remain at rest whlle the strlp of tin is being sheared off. The object of the segment gear 32 meshing with the bevel gear 31 through the segments jment gears are arranged on opposite sides,

so that a positive throw of the'transfer rack may be had in each direction, to obviate the necessity of relying on springs for either of these movements. s

The manner in which thek tin is crimped on to the display card, or other article, will be fully described hereinafter.

The cams 11, 12,13 and 14 which are attached tothe shaft 6 cause the knife bar 25 to have a vertically reciprocating motion. The same time that the sheared strip of tin is crimped on to the display card, or other article, an eyelet 35 is crimped on with it. The eyelet 35 is formed. in the following manner. y y g The spool 38 has wound up on it a ribbon i of brass, which passes through the rolls 39 and 40. The revolving of the rolls 39 and 40 causes the ribbon of brass to unwind from the spool38 and pass under the punch and shear 41 and 42. The roll 39 is revolved by the segment gear 43, on the shaft 36, which meshes with the gear 64, and is so timed as to advance the ribbon of brass to the proper place for punching and shearing, where it remains stationary .long enough to be punched, sheared and crimped on to the display card, or other article, with the strip of sheared tin. The punch `and shears 41 and 42 are caused to perform theirr several functions through the agency of the cam 44 and lever 45. The lever 45 is pivoted at 46 and held against the cam by spring 47. The spring 47 holds the punch 41 and shear 42 up until the high point of the cam 44 passes under the lever 45, when the punch and shearv perform their work.

The operation of the different parts of the crimping mechanism is as follows: The crimping blade 48 has a vertical reciprocating motion, which is brought about through the action of the cams 7, 8, 9 and 10 on the shaft 6. YThe revolutions of the shaft 6 are so timed that when the strip of tin 49 and eyelet 35- have been placed by the different mechanicalmovements in the right relation to'each other, the display card, or other article, is placed on top of the strip of tin 49,

the crimp bar 48 descends, pressing the display card, strip of tin and eyelet, down between tlie jaws 50, 51 of the vise,- as shown in Figs. 9 and 10. The jaws 50, 51 of the vise are forced together by the toggle joint 52. The togglejoint 52 is actuated by the cam 53 on the shaft 37. The cam 53 has two high points, so that through each cycle the machine passes, the toggle joint will close the jaws 5() and 51 twice, once after each descent ofthe crimping blade 48. The cam 53 is connected to the toggle joint 52 by the link 54.

Figs. 12 and 13 show vthe position of the crimping blade and the work just before it is crimped for the last time, and afterthe parts have been 1pressedtogether by the vise,

will be produced as shown' gear 60 is keyed to the shaft 2, and meshesl with the gear 55, which runs loose on the shaft 36. The gear 55 has the gear 57 at tached to it, and the gear 57 engages with the gear 58, which is 'keyed to the shaft 37. rlhe gear 59 is keyed to the shaft 37, and meshes with the gear 56, which is keyed to the shaft 36, and the gear 56 engages the gear 4, which is loose on the shaft 2, and the gear 4 in turn meshes .with the gear 5, which is keyed to the shaft 6. This arrangement gives 'the right speed to every shaft, .so that 'each part will be in the right relation to every other part to give the desired result, each mechanical movement being 1n proper time to every other.

The operation o-f my machine is as follows: A sheet of tin is placed on the table 15,

and clamped 'to the sliding feed bar 16 by the clamps 17 and 18, and fed forward by the weight 19, which is attached to the feed bar 16 by a cord 20. The sheet of metal is fed forward until it strikes the limiting stop 23. The sheet of tin is now'between the two knife bars 24 and 25; the knife bar 25 descends cutting off a strip of tin the desired width. This strip is carried bythe reciproeating rack 27 over beneath the crimping bar 48. During the time the foregoing opcrations are transpiring, the eyelet 35 has been placed beneath the crimping bar in the 4right position to be crimped on to the display card, or other article, the same time the strip of tin is. A display card is placed on top `of the strip of tin, the crimp bar 48 descends and crimps the lseveral parts for the vise closes and the. rst time; the crimpbar ascends, when resses all the parts toether. The jaws of) the vise open, the work is taken out, and v and pressing together of the parts repeate this last'operation makingy the finished article. As before stated one of the obiects of my invention is to simplify the mec anism and reduce the number of operative parts to a minimum, and in carrying out this object, I may cut the strips in any other way and feed them to the folding and crimpingmechanism in any other manner, as itis common to cut sheets into strips and to ldo the work quickly and conveniently I out them in the machine, but Iimay cut them otherwise, the main features ing of the strip and calendar edge and then lockin themtogether.

Having thus described my invention, what I claim as new,'and desire to secure by Letters Patent, is

1. lIn a machine of the class described, a cutter for severing sheet met-al plates into narrow strips, a crimping bar for folding the strips lengthwise, and means forfeeding the severed strips to the crimping bar at each alternate operation thereof, whereby the strips may be double folded with each complete operation of the machine.

2. In a machine of the class described, a cutter for severing sheet metal platesinto narrow strips, a crimpin bar for folding the strips lengthwise, with a clamp for pressing the .strips together, and means for feeding the severed strips to the crimping bar at each alternate operation thereof, whereby the strips may be doublefolded and clamped with each complete operation of the machine. i

3t In a machine of the class described, a crimping bar for. folding narrow strips of sheet met-al lengthwise, and means for feeding the narrow strips to they crimping bar at each alternate operation thereof, whereby the strips may be double folded with each complete operation of the machine.

4. In a machine of the class described, a crimping bar for folding narrow strips .of sheet metal lengthwise, and a` clamp coiiperating therewith to press together the folded strip, and -means lfor feeding the strips of metal to the crimping bar and clamp. at each alternate operation thereof, whereby the strips may. beV double folded with each complete operation of 'the machine. Y

5. In a machine of the class described, a fixed and a movable plate forming a clamping member, and a crimping bar for folding lengthwise narrow strips of sheet metal acting at right angles'to said clamping mem* ber, with mechanism for actuating said crimping bar and movable clamp member in the operation of crimpinfgo and double clamped being the foldsuch relation to each other that the strip will be folded between the clamp, and then clamped thereby, with means for feedin the narrow strips to the crimping bar an clamp at each alternate operation thereof, whereby the strips maylv be double folded wit Veach complete op. eration of the machine. Y v,

6. In a machine of the class described, a crimping lbar for folding narrowstripsof sheet metal lengthwise, and means for feeding the narrow strips to the crimping bar at each alternatey o eration thereof, with an eyelet punch an shear for forming eyelet strips, and mechanism for feeding the eyelets to the crimping bar simultaneously with the feed of the narrow strips of sheet metal thereto. v

7 In a machine ofthe class described, a cutter forseveringthe sheet metal plates into narrow strips, a crimping bar folding thestrips lengthwise, an eyeletpunch and shear for forming eyelet strips, and means for feeding the eyelet strips to the crimping bar, with mechanism for feeding the severedstrips thereto simultaneously, and at each alternate operation of the crimping bar.

8f In av machine of the class described, mechanism for feedin the narrow strips of sheet metal to the fol ing devices, compris-- ing a rack bar provided with a finger, by which the strips are fed, with gear and pinion for actuating the rack bar, and a power driven shaft carrying a pair of segment gears to engage said pinion on opposite sides t0 give positive throw to the rack bar in both directions, without the intervention of a spring. Y

' 9. In a machine of the class described, a power driven shaft, with a crimping bar, and a cutting bar suspended therefrom in line with each other, double acting cams on the power shaft to actuate the crimping bar, and single acting cams to actuate the cutting bar, whereby the cuttin bar will be operated with 'every secon operation of the crimping bar.

10. In a machine of the class described, a power driven shaft, with a crimping bar and a cutting bar suspended therefrom in line with each other, double acting cams on the power shaft to actuate the crimping bar,

and single acting cams to actuate the cutting bar, wherebythe cutting bar will be operated with every second operation of. the

crimping bar, and a rack bar provided with a finger for feeding narrow strips severed by thev cutter to the crimping bar in timed relation with the operation of the cutter, whereby a strip of metal may be fed to the crimping bar with every second operation thereof. f

11. In a machine of the class described, a

vertically reciprocating crimping blade for folding metal strips and calendar edges tpgether, operating into a slot between jaws, metal strip and eyelet together through a 15 and a horizontal-ly operating clamp, co-actslot between clampingjaws, and means for ing at definite periods to fold and tightly tightly locking the same together.

lock together a strip and a calendar edge. 14. In a machine of thecharacter de- 5 12. In a machine ofthe class described, .a scribed,` means for foldingl metal strips and vertically reciprocating crimping blade for calendar edges together through a slot, said 20 folding metal strips, eyelets and calendar means consisting of a crimping blade and a edges together through a slot between clamp stationary and movable jaw, and means for jaws, and horizontally operating clamp cooperating the same.

10 acting at definite periods to re-fold and tightly lock together a strip, eyelet and calendar edges.' Witnesses: y

13. In a machine ofv the character de- EDWARD `STUEBING7 scribed, means for folding a calendar edge, H. E. CARSTENS.

WM. STUEBING.

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