US1844119A - Duplex riveting machine - Google Patents

Description

Feb. 9, 1932, A, R. HAVENER 1,844,119

DUPLEX RIVETING MACHINE Filed Jan. 24, 1931 4 Sheets-Sheet 1 HWK/7uur' LQ. Hoz/ve new.

Feb. 9, 1932. A, R, HAVENER 1,844,119

V DUPLEX RIVETING MACHINE Filed'J-an. 24, 1931 4 sheets-sheet 2 Feb. 9, 1932. A. R. HAVENER DUPLEX RIVETING MACHINE Filed- Jan. 24, 1931 4 Sheets-Sheet 3v Feb. 9, 1932. A R, HAVENER 1,844,119

DUPLEX RIVETING MACHINE Filed Jan. 24, 1931 4 Sheets-Sheet 4 j Zimmern/072' l 19H71 u?" R. ffcove 71er",

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@and setting mechanism Patented Feb. 9, 1932 UNITED' STATES PATENT ARTHUR R. HAVENER, OF WAYLAND, MASSACHUSETTS, ASSIGNOR TO JUDSONY L. THOMSON MANUFACTURING CO., OF WALTI-IAM, MASSACHUSETTS, A CORPORATION OF MASSACHUSETTS Application led January 24, 1931.V

This invention relates to an improved rivet feeding and setting machine, the object of the invention being to provide a rivet feeding and setting' machine which can feed and set two rivets at a time and which is so construct-ed that the distance between the rivets which are so set may be varied as desired, so that t-he same machine can be utilized t feed and ydrive simultaneously a pair of rivets at any desired distance apart and this object isattained by embodying in the machine a pair of rivet feeding and setting mechanisms and fra-mes therefor and a pair of anvils and frames for the anvils.

frames and anvil frames are adjustable upon amain frame and upon said main frame is provided mechanism for actuating the rivet feeding' and setting mechanisms in any of the relative posit-ions to A further object of the invention is to provide a mechanism of the character set forth for feeding and setting rivets, in which cams and springs are practically eliminated.

The invention consists in the combination and arrangement of parts disclosed in the following specification and particularly pointed out in the claims.y

Referring to the drawings n Fig. 1 is a side elevation of a duplex rivet feeding and setting mechanism embodying my invention, the column of the machine and the clutch rod being broken away.

Fig. 2 is a front elevation of the same.

Fig. 3 is a plan of the said machine.

Fig. 4 is a sectional elevation taken on line 4-4, Fig. 1, viewed in the direction of the arrows on said line 4.-4.

Fig. 5 is a sectional elevation taken on line 55, Fig. 3,'viewed in the direction of the arrows on said line 5 5. Y

Fig. 6 is a sectional" front elevation illustrating the material positioned on the anvils in readiness to be riveted a portion of the rivet carriers and rivet drivers being shown in connection therewith.

Like numerals refer to like parts in the several views of the drawings.

In the drawings, 10 is the column of the 50 machine, 11 the main frame and 12 the main The rivet feeding` DUPLEX RIVETING MACHINEV Serial No. 510,98?.

driving shaft, whichis rotated bya pulley 13, y

casings. 24 rotatably mounted on hopper vframes 25 fast to the adjustable frames 18 and 19. The hopper casings 24 are fastened to shafts 26 and the said shafts are each r0- tated by a ratchet 27 which is given an intermittent step by step rotation by a. pawl 28 pivotally mounted on a pawl carrier 29 which, in turn, is pivoted upon the shaft 26, The pawl carrier 29 has a rocking motion imparted thereto by av link 30 which is. pivotally connected at 31 to the pawl carrier 29 and at 32 to a rivet driver slidel33. The rivet driver slide has a rivet driver 34, fastened to its lower endy and is slidably mounted in one of the rivet driving mechanism frames 18 or 19 as the case maybe.

The rivet driving and feeding mechanisms, which are mounted upon the frames 18 and 19 respectively, are substantially alike, therefore the 'description of one of said mechanisms will apply to both.

The rivets are fed from the rotary hopper casing 24 to a vertical raceway 35 and pass down said raceway tov the bottom thereof where they are fed by a slide 36 from the lower end of the raceway to the upper end of another raceway 37, by which they arefed downwardly into a rivet carrier 38 which is mounted upona rivet carrier slide 39 held upwardly by a spring 40 and moved downwardly by the driver 34, all in aV manner well known to those skilled in this art.

The rivet slide 36 has an intermittent sliding movement imparted thereto by a spring 41 which is fasten-ed to a block 42 pivotally mounted upon a stud 43 on the lower end of lplaced in mass inhopper a lever 44 which is pivotally mounted upon a stud 45 fast to the frame 18. A spring 43 encircles the stud 43 and presses the block 42 against the lower end of the lever 44, whereby said block is caused to have a frictional engagement with the lower end of the lever 44. The lever 44 is connected by a link 46 to the pin 32 which is fastened to the rivet driver slide 33. v yThe rivetcarrier 38 consist-s of two oppositely disposed plates 47 which are fastened to fiat spring arms 48 which, in turn, are fastened to the vertical rivet carrier slide 39.

A. reciprocatory movement is imparted to" the rivet driver slides 33 by secondary rocker arms 50 and 51, said rocker arms being pivotally mounted at 52 and 53 to secondary links 54 and 55. The links 54 and 55 are pivoted upon a stationary shaft 56 which extends across the machine and is fastened to ears 57 on the main frame. At their rear ends the rocker'arms 50 and 51are pivctally connected at 59 and 60 to primary links 61 and 62 which are pivoted to rock upon a pivotal shaft 63, theopposite ends of which are fastened tothe forward end of a pair of primary roc zer arms 64 and 65. The primary rocker arms 64 and 65 are Vpivoted upon studs 66 and 67 which are fastened to the main frame 11. The rear ends ofthe primary rocker arms 64' and 65 ar-e connected by eccentric rods 68 and 69'to eccentrics 7 0 and 71, the eccentrics being fastened to the main shaft 12. Y

A pair of anvils 72 and 73 are supported on anvil frames 74 Vand 75 which are. adjustable on the main frame 11 and are clamped in position by bolts 76. Each of the anvils has a spring-actuated guiding` `pin 77 projecting upwardly therefromv in alignment with its respective driver 34. l Y

In 6 the material 78to be riveted is shown supported upon the anvils 72 and 73 with the rivet guiding pins 77 projecting therethrough. y Y Y y The general operation of the mechanism hereinbefore specifically described is as follows Rivets are placed in mass in the hopper casings 24 and pass from the hopper casings down the raceways 35 fromthe lower ends of which they are carriedr by the slides 36 to the upper ends of the raceways 37. vThe rivets pass down the raceways 37 and into their respective rivet carriers 38 and then stand in the positions illustrated by the rivets 79, Fig. 6. The rivet driver slides are moved down simultaneously by the secondary rocker arms 50 Vand .51, primary rocker arms 64and 65, Vprimary links I 61 and 62, eccentric rods 68 and 69eccentrics 7 0 and 71 and maindriving shaft 12the drivers 34 descending push the rivet carriers, together with the rivets, downwardly untilthej lower edges of the plates 47 are in Contact with the upper surface of the material 78 which is to be riveted, whereupon a stop pin 39 on each of the rivet carrier slides 39 engage the upper surface of the frames 18 and 19 and stop further downward movement of the carrier slides, whereupon the rivets 79 are forced downwardly through the material 78, the guide pin 77 entering the rivets 79, which are tubular, and guiding` the rivets through the material 7 8 during the clinching operation, and the guide pm 77 being spring sup- J ported moves downwardly into the anvils 72 during this clinching operation.

l/Jhen it is desired to insert rivets at different distances apart from that shown in thedrawings, the frames 18 and 19 are moved toward or away from each other, as may be desired, by loosening the nuts 23 and pushing the frames 18 and 19 along on the main frame until they are moved to the desired distance apart and said frames 18 and 19 are then clamped to the main frame 11 by the nuts 23 and bolts 22. The anvils are tiren adjusted to bring them into alignment with their respective rivet drivers and this is done by loosening the nuts 76 on the bolts 76 and sliding the anvil frames 74 and 75 to the desired distance apart, whereupon they are locked in position upon the main frame by tightening up on the nuts 7 6.

.Y During this adjusting of the rivet mechanism frames and anvil frames, the secondary rocker arms 50 and 51, together with'the secondary links 54 and 55 are moved toward or away from eachother as the case maybe, the links 54 and 55 sliding along on the shaft 56, at the same time the primary links 61 and 62 slide, along the shaft 63. The Aprimary rocker arms 64 remain in the same position relatively to the main frame. Y

As the rivet driver slide 33 is moved down, the pawl carrier 29 willbe rocked toward the right,Fig. 4, bythe link 30, the pawl retreating over the ratchet27 during this movement and the lever 44 will be rocked by the link 46 to move the block 42 and spring arm 41 toward the right, Fig. 4, thus moving the slide 36 to feed a rivet from the lower end of the raceway 35 to the upper endvof the raceway 37 and the rivet then descends the raceway readiness to driver 34.

After the rivet has been set in the material, the rivet driver slides 33 move upwardly, the slide 36 moves Vback to receive another rivet from the raceway 35, and the pawlcarrier 29 is rocked with its pawl 28 to cause the ratchet 27 to be rotated a step, thus giving an intermittent rotation to the shaft 26 and be fed down to the work by the to the hopper casing 24. The operator then "M actuates the clutch to vdisengage the pulley 13 from clutch engagement with the shaft 12 and the operator removes the material 78 from the anvils 72 and pins 78 and places another piece of material comprising two layers f 37 to enter the vrivet carrier 38 in 78 on the anvil pins 77. The operation hereinbefore described is then repeated.

I claim:

l. A duplex riveting machine having, in combination, a rivet setting mechanism frame, a rivet setting mechanism on said frame, said rivet setting mechanism embodying therein a rivet driver slide, a main frame on which said rivet setting mechanism frame may be adjusted, a secondary rocker arm connected to said rivet driver slide, said arm being mounted on said main frame and adjustable thereon together with said rivet setting mechanism, a primary rocker arm connected to said secondary rocker arm and mounted on the main frame, and mechanism mounted on the main frame to impart a rocking motion to said rocker arms.

2. A duplex riveting machine having, in combination, a rivet setting mechanism frame, a rivet setting mechanism on said frame, said rivet setting mechanism embodying therein a rivet driver slide, a main frame on which .said rivet setting mechanism frame may be adjusted, a secondary rocker-arm connected to said rivet driver slide, said arm being mounted on said main frame and adjustable thereon together with said rivet setting mechanism, a primary rocker arm connected to said secondary rocker arm and mounted on the main frame, a main driving shaft rotatably mounted on said main frame, an eccentric fast to said main driving shaft, and an eccentric rod connecting said eccentric to said primary rocker arm.

3. A duplex riveting machine having, in combination, a rivet setting mechanism frame, a rivet setting mechanism on said frame, said rivet setting mechanism embodying therein a rivet driver slide, a secondary pivotal shaft, a secondary link on said secondary pivotal shaft and adjustable thereon longitudinally thereof, a secondary rocker arm pivotally mounted on said secondary link and connected to said rivet driver slide, a primary pivotal shaft, a primary link mounted on said primary pivotal shaft and adjustable longitudinally thereon, a primary rocker arm pivotally mounted on said main frame, said primary pivotal shaft being supported on said primary rocker arm, and mechanism mounted on the main frame to impart a rocking motion to said primaryrockerV arm and through it to said secondary rocker arm.

4. A duplex riveting machine having, in combination, a rivet setting mechanism frame, rivet setting mechanism on said frame, said rivet setting mechanism embodying therein a rivet driver slide, a secondary pivotal shaft, a secondary ondary pivotal shaft and adjustable thereon longitudinally thereof, a secondary rocker arm pivotally mounted on said secondary link and connected to said rivet driver slide, a primary pivotal shaft, a primary link pivotlink on said secally mounted on said primary pivotal shaft and adjustable longitudinally thereon, a primary rocker 4arm pivotally mounted on lsaid main frame, said primary pivotal shaft being supported on said primary rocker arm, a main driving .shaft rotatably mounted on said main frame, an eccentric fast to said main driving shaft, and an eccentric rod connecting said eccentric to said primary rocker arm; y 5. A duplex riveting machinehaving, in combination, two rivet setting mechanism frames, a rivet setting mechanism on each of said frames, said Vrivet setting mechanisms each embodying a rivet driver slide, a main frame on which said rivet setting mechanism frames' may be adjusted toward and away from each other, a secondaryirocker arm connected to each of said rivet driver slides respectively, said rocker arms being mounted on said main frame and adjustable toward and away from each other, a primary rocker arm connected to each of said secondary rocker arms respectively and mounted on said main frame, and mechanism mounted on the main frame to' impart a rocking motion to said rocker arms.

6. A duplex riveting machine having, in combination, two vrivet setting mechanism frames, a rivet setting mechanism oneach of said frames, said ri'vetsetting mechanisms each embodying a rivet driver slide, a'main frame ony which said lrivet setting mechanism frames may be adjusted toward and away from each other, a secondary rocker arm connected to each of said rivet driver slides respectively, said rocker arms being mounted on said main frame and adjustable toward and away from each other, a primary rocker arm connected to each of said secondary rocker arms respectively and mounted on said main frame, a main driving shaft rotatably mounted on said main frame, a pair of eccentrics fast to lsaid main drivingshaft,

and a pair of eccentric rods connecting said eccentrics to said primary rocker arms.

7 A duplex riveting machine having, in combination, two rivet setting mechanism frames, a rivet setting mechanism on each of said frames, said rivet setting mechanisms each embodying a rivet driver slide, a secondary pivotal shaft extending transversely of said main frame, a pair of secondary links on said secondary pivotal shaft and adjustable thereon relatively to each other, a secondary rocker arm pivotally mounted on each of said links respectively, each of said secondary rocker arms being connected to one of saidrivet driver slides, a primary pivotal shaft extending transversely of said main frame, a pair ofV mounted on said primary pivotal shaft and adjustable toward and away from each other,

a pair of primary rocker arms pivotally mounted on said main frame,

said primary pivotal shaftv being supported primary links Vpivotally upon said primary rocker arms,'and mechanism mounted on the main frame to impart a rocking motion to said primary rocker arms and through them to said seconday rocker arms.

8. A duplex riveting machine having, in combination, two rivet setting mechanism frames, a rivet setting mechanism on each of A Y said frames, said rivet setting mechanisms each embodylng a rivet driver slide, a secondary pivotal shaft extending transversely of said main frame, a pair of secondary links on said secondary pivotal shaft and adjustable thereon relatively to each other, a secondary rocker arm pivotally mounted on each of said links respectively, each of said secondary rocker arms being connected to one of said rivet driver slides, a primary pivotal shaft extending transversely of said main frame, a pair of primary links pivotally mounted on said primary pivotal shaft and adjustable toward and away from each other, a pair of primary rocker arms pivotally mounted on said main frame, said primary pivotal shaft beingsupported upon said primary rocker arms, a main driving shaft rotatably mounted on said main frame, a pair of eccentrics fast to said main driving shaft, and a pair of eccentric rods connecting said eccentrics to said vprimary rocker arms.

In testimony whereof I have hereunto set my hand. l

' ARTHUR R. HAVENER.

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