US3793970A - Machine for making spouts and fixing same in containers - Google Patents

Machine for making spouts and fixing same in containers Download PDF

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Publication number
US3793970A
US3793970A US00220598A US3793970DA US3793970A US 3793970 A US3793970 A US 3793970A US 00220598 A US00220598 A US 00220598A US 3793970D A US3793970D A US 3793970DA US 3793970 A US3793970 A US 3793970A
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US
United States
Prior art keywords
piston
band
frame
spout
flange
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00220598A
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English (en)
Inventor
L Martinotti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BRINIL SA
Original Assignee
BRINIL SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BRINIL SA filed Critical BRINIL SA
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
    • B21D51/40—Making outlet openings, e.g. bung holes
    • B21D51/42—Making or attaching spouts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B50/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5197—Multiple stations working strip material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/444—Tool engages work during dwell of intermittent workfeed
    • Y10T83/463—Work-feed element contacts and moves with work
    • Y10T83/4635—Comprises element entering aperture in, or engaging abutment surface on, work
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6476—Including means to move work from one tool station to another
    • Y10T83/6484—Punch or die station

Definitions

  • This machine for punching, cutting and shaping pouring spouts from a metal band for miscellaneous packings comprises essentially a single shaft, connected through a bevel gear to the driving motor of the packing machine, for performing the various operations, including punching a preferably square-shaped hole engageable by a pin for feeding the metal band through the machine, such pin being pivotally mounted and driven with a horizontal reciprocating motion.
  • Punch and die means are operated for cutting portions of the band for permitting the subsequent folding of the side wings of the spout.
  • Other means are provided for punching into the band projecting lugs to be used for securing the spout to the packing.
  • the present invention relates to an improved machine for making pouring spouts from a metal band for miscellaneous packings and fixing the spouts in for packings.
  • DESCRIPTION OF THE PRIOR ART Machinesof this type must be capable of forming the spouts from a metal band, i.e., cutting and shaping them to their final configuration, forming the projections or lugs necessary for subsequently attaching the spout to the packing, cutting from the initial band the thus shaped spouts ready for fixing to the packing, and eventually securing each spout to a wall of the packing, at a selected location thereof.
  • the band is fed through the machine, for performing the sequence of operations contemplated, by using means co-acting with the cut portions and to which a movement is imparted in such a way that the band can move stepwise through the machine.
  • the machine according to the present invention is free of these inconveniences and characterized essentially in that the metal band from which the spouts are cut is fed to the machine in the form of a plain tape and firstly punched to form a preferably square-shaped hole therethrough, a pinor equivalent member pivotally mounted and to which a rectilinear reciprocating motion is applied in a horizontal plane being introduced into such hole in order to feed the band through the machine.
  • the punching of the preferably square-shaped hole in the band is attended by the cutting of portions of the band with a view to permit the formation, by folding, of the wings of the spout in accordance with the shape of the thus cut portions.
  • the aforesaid wings are folded and at the same time four projections are formed on the corresponding spout portion, by using a square-shaped punch having edges aligned diagonally to the edges of and into the previously formed hole.
  • the machine is adapted to cut the shaped spout and secure the same to the packing by stapling the projections formed in the spout, and to this end a centering member carried by a vertically reciprocated piston is introduced into the hole and constantly holds the projections in a vertical position during the positioning of the spout in the packing, in order properly to insert the projections into the packing.
  • FIG. 1 is a diagrammatic elevational view of the machine showing in the form of assemblies the various mechanisms and the kinematic chain of the machine;
  • FIG. 2 is an elevational view with parts broken away of the same machine
  • FIG. 3 is a plan view from above
  • FIGS. 4 to 7 are sections taken along the lines IVIV to VII-VII, respectively, of FIG. 1;
  • FIG. 8 is a perspective view of a spout obtained by operating the machine of this invention.
  • FIGS. 9 to 13 are fragmentary elevational-sectional views showing the mechanisms for cutting the spouts and inserting them into the packing.
  • a third assembly C for folding the spout wings and forming the projections (lugs) for fixing the spout to the packing
  • a fourth assembly D for inserting the finished spout, a detached from the band, into the packing.
  • the movements of the members constituting these various assemblies are controlled from a motor (not shown) of the packing machine through a bevel-gear 10 coupled through a socket 11 to the shaft 12 of the motor.
  • the band a which is a plain, uncut strip, is unwound from a coil 13, whose shaft 13a is supported by two arms 13!) attached to the frame b of the machine by means of bolts 130.
  • the mechanism intended for advancing the band a into the machine comprises essentially an eccentric l4 rigid with a shaft 14a and adapted to reciprocate in a horizontal plane a rod 15 (FIG. 2) having a strap-shaped end 15a provided with a roller 15b engaging eccentric 14.
  • a coil compression spring 16 is prestressed between strap-shaped end 15a and a sliding socket 17 (FIG. 3) and constantly urges the roller 15b of end 15a into rolling contact with eccentric l4.
  • Socket 17 is rigid with the frame structure 12 of the machine.
  • the rod 15 is connected through an adjustable ring 18 to a slide 19 to which a stirrup 20 is pivotally connected, the stirrup having an upstanding pin 21 mounted to pivot about a shaft 21a (see FIGS. 2 and 3).
  • the band a is placed by the worker on the machine and introduced under the dies which will be discussed below. At the start of the cycle of operation, the worker pulls out the band and places it on the stirrups 20.
  • the feed rate of the band depends on the operational rhythm of the packaging machine to which the machine of the invention is connected by the shaft 12.
  • the movement of the eccentric 14 is a function of the eccentricity imparted to it by its construction and which equals the predetermined length I (see FIG. 8) of the pouring spout.
  • the assembly B for perforating or punching the band a and cutting portions of the the latter for forming the wings of the spout comprise (see notably FIG. 4) a flange 22 connected through links 23 to a support 24 carrying on the one hand lateral punches 25 shaped to cut the band a and thus form the wings of the spout and on the other hand a central punch 26 for perforating the band to form the square hole engageable by the pin 21 of the band feed mechanism.
  • the pin 21 Owing to the fact that the pin 21 is pivoted on the shaft 21a the pin is introduced into the hole produced in the band.
  • the pin remains engaged in the hole during the advance of the band by the desired amount I and is retracted from the hole during the backward movement of the stirrups 20 until the pin encounters the following hole.
  • the punches 25 and 26 co-act with a corresponding die 27.
  • the die 27 possesses the sunk profiles of the punches 25 and 26, so to cut portions of the band to form the flanges 2 with the punch 25 and the square hole with the punch 26, at the instant when the punches penetrate the die 27, the band a resting on the die.
  • the band is driven by the pin 21, the pin advancing by the length of the flange 2 during the ascent of the punches 25 and 26.
  • the movable assembly comprising the flange 22 and punches 25, 26 is reciprocated in a vertical plane by means of a connecting-rod 28 carried by shaft 0 connected to bevel gear 10 and adapted to drive all the mechanisms of the machine, except the band feed mechanism already described in the foregoing.
  • the next step consists in folding these wings and forming the projections or lugs necessary for fixing the spout to the interior of the packing. This function is accomplished by the assembly C to which the band retained by pressure rollers 29, 29a is fed.
  • the projections or lugs e of the spout are obtained according to this invention by actuating a punch 30 carried by a piston 31 to which a vertical reciprocating motion is imparted by another connecting-rod 32 carried by a crank-pin 33 of shaft c, the connecting-rod to piston connection being achieved through a pivotal coupling 34.
  • the punch 30 is a square element, cut into a point and having two edges that form cutting elements.
  • the sides of square punch 30 are aligned diagonally to the edges of the square hole punched into the band by the punch 26 and, while penetrating the hole along the diagonal, itcuts and bends the pointed lugs e with its two cutting element edges.
  • the piston 31 slidably mounted in a sleeve 35 provided in a support 36 is not completely cylindrical but comprises a flat portion guided during the piston movements by means of plates 37.
  • This arrangement according to a specific feature of the present invention prevents any undesired relative rotative movement of the piston in order to peoperly introduce punch 30 into the hole already formed in the band.
  • the punch 30 is oriented by construction in a manner to permit its introduction into the hole for shaping the projections or lugs e emerging above the body 2, of the spout of which the wings e are to be formed during a next step with the assistance of the .portions previously cut in the band.
  • This folding operation is carried out, according to this invention, through the combined action of piston 31 and a corresponding die 38 having a cutting edge 38b carried through rods 39 by means of a flange or plate 40.
  • the latter is constantly urged by springs 40a prestressed between the flange 40 and rods 39 against a cam 42 rigid with shaft c, a roller follower 43 carried by flange 40 constantly engaging the contour of cam 42.
  • springs 40a prestressed between the flange 40 and rods 39 against a cam 42 rigid with shaft c, a roller follower 43 carried by flange 40 constantly engaging the contour of cam 42.
  • the arrangement is such, as far as the co-acting surfaces of guide members 31a of piston 31 and die 38 are concerned that the spout wings are not exactly perpendicular to the spout body but slightly inclined (V-folding) in order to facilitate the insertion and fixing of the spout into the packing.
  • a connecting-rod 44 rigid with a crankpin 44a mounted on the driving shaft 0 is adapted to reciprocate a piston 46 having a cutting edge 46a in a vertical plane through a pivotal connection 45.
  • This piston 46 is slidably mounted in a sleeve 47 and has a flat face including cutting edge 46a which, during the piston movements, engages the rear faces of plates 37.
  • the piston 46 is prevented from moving otherwise than in a reciprocating motion in a vertical plane.
  • the piston 46 has a centering member such as a pin 48 having a base disposed between a pair of rods 49, 49a of resilient material such as rubber or the like.
  • This assembly operates as follows (see FIGS. 9 to 12 inclusive):
  • the initial position is that illustrated in FIG. 9, which is the original position in which the die 38 is at its top dead centre position and piston 46 at its bottom dead centre position.
  • the band is fed through the machine and .a completed spout is brought to the cutting and fixing position (FIG. 10).
  • die 38 is lowered and piston 41 is raised.
  • the piston 41 attains the cutting level to sever the finished spout from the band and permit the movement of the spout towards the packing E to which it is to be fixed.
  • the band is stopped and the spout is held, at the end thereof freed by the preceding cutting operation, by means of retractable holding means such as a ball 50 urged by a spring 51 to its operative position, the spring being housed in a blind hole of the sleeve 47 and the ball projecting slightly from the inner surface of the sleeve.
  • the completed pouring spout is situated in the position illustrated in FIG. 10.
  • the die 38 is lowered by the springs 40a.
  • the spout is held at its face end by the ball 50, which prevents bending of the spout when the guide 48 is introduced between the pointed lugs.
  • the cutting edges 38b and 46a operates as shears and separate the spout from the band.
  • the piston 46 completes its ascent until the spout is introduced into the package.
  • the centering pin 48 (FIG. 11) is introduced into the hole previously formed in the band, so as to ensure an accurate centering of the spout in relation to the position to be obtained during its introduction into the wall of packing B.
  • the spout guided by centering pin 48 is self-centered by guide faces 52 engaged during its upward movement. These guide faces bend the spout wings from a substantially inclined position (FIG. 8) to a substantially perpendicular position during the insertion thereof into the packing E, as shown in FIG. 13, this position corresponding to the top dead centre position of piston 46.
  • Stapling is carried out through known means comprising an arm (not shown) and the stapling effort is absorbed by the resilient pads 49, 49a.
  • the arrangement contemplated according to this invention permits on the one hand an accurate centering of the spout before its insertion into the packing, and on the other hand a convenient performance of the stapling operation, since the pointed lugs e can be bent definitely only when properly positioned in the packing material.
  • a device adapted to be coupled to a package making machine, for forming pouring spouts from a plain uncut metal band and for individually attaching each of the formed spouts to a package made by said machine, each of said formed spouts including a flat body portion, lateral wings bent upwardly with respect to said body portion, and projections extending upwardly from an opening in said body portion, said device comprismg:
  • supply means operatively associated with said frame for storing said metal band and for permitting the supply thereof to said device over said support surface;
  • cutting means operatively associated with said perforating means and reciprocally movable in a vertical plane for cutting away portions of the sides of said band for forming wing portions;
  • bending means operatively associated with said frame and reciprocally movable in a vertical plane for bending upwardly said wing portions for forming said wings;
  • shaping means operatively coupled to and movable with said bending means for successive introduction into each of said holes for forming said projections;
  • severing means operatively associated with said frame and reciprocally movable in a vertical plane for separating each of said formed spouts from said band;
  • said driving means comprises a vertically extending pin pivotally mounted about a horizontal shaft on a stirrups support; and said imparting means comprises a shaft rotatably connected to a motor of said package making machine, an eccentric rigidly attached to said shaft, a horizontally extending rod operatively associated at one end thereof with said stirrup support and biasing means positioned for urging the opposite end of said rod into engagement with said eccentric.
  • said perforating means and said cutting means comprise a die positioned on said frame; a flange; a support carried thereon a centrally located first punch for forming said hole and laterally positioned second punches for form ing said wing portions; said die having recesses therein corresponding to the shapes of said first and second punches; support columns movably extending through said frame and connected to said flange and said support; and means acting on said flange to impart an alternating vertical motion to said flange, said support columns, said support and said punches.
  • said shaping means comprises a piston of non-circular crosssection mounted for vertical movement in said frame; a punch element mounted on the top surface of said piston, said punch element having two edges forming cutting elements aligned diagonally to the edges of said holes formed by said perforating means; and means for acting on said piston for imparting an alternating vertical motion to said piston and said punch element; and wherein said bending means comprises a flange mounted below said frame; a die positioned above said frame and having recess means for cooperation with guide means on said piston for bending said wing portions upwardly to form said wings; columns extending through said frame and connecting said flange and said die; and means for acting on said flange for imparting alternating vertical movement to said flange, said columns and said die.
  • said severing means and said attaching means comprise a piston of non-circular cross-section mounted for vertical movement in said frame; centering means mounted on the top of said piston and dimensioned to fit in said hole; means for acting on said piston for imparting an alternating vertical movement to said piston and said centering means from a position below said support surface to a position above said support surface; die means mounted for coaction with a surface of said piston during upward movement of said piston for cutting said band and thus separating said formed spouts from said band; retractable holding means positioned for temporarily supporting said separated spout while said centering means is introduced into said hole of said separated spout; and guide surfaces positioned on said frame for contact with said wings of said separated spout as said piston moves said separated spout above said support surface and into said package.
  • a device as claimed in claim 1 further comprising a single shaft operatively connected to a motor of said machine, said shaft being operatively attached to said perforating means, said cutting means, said bending means, said shaping means, said severing means and said attaching means for imparting alternating vertical movement thereto.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Cartons (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
US00220598A 1971-02-10 1972-01-25 Machine for making spouts and fixing same in containers Expired - Lifetime US3793970A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH198871A CH533547A (fr) 1971-02-10 1971-02-10 Machine pour former un bec verseur

Publications (1)

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US3793970A true US3793970A (en) 1974-02-26

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Application Number Title Priority Date Filing Date
US00220598A Expired - Lifetime US3793970A (en) 1971-02-10 1972-01-25 Machine for making spouts and fixing same in containers

Country Status (6)

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US (1) US3793970A (de)
CA (1) CA955443A (de)
CH (1) CH533547A (de)
DE (1) DE2203587A1 (de)
FR (1) FR2126659A5 (de)
GB (1) GB1385335A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6151861A (en) * 1997-07-25 2000-11-28 Magri; Giovanni Apparatus for automatically continuously supplying retractable spouts for cardboard boxes and the like

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2998788A (en) * 1958-08-20 1961-09-05 Interstate Folding Box Co Device for forming and applying pouring spouts to containers

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2998788A (en) * 1958-08-20 1961-09-05 Interstate Folding Box Co Device for forming and applying pouring spouts to containers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6151861A (en) * 1997-07-25 2000-11-28 Magri; Giovanni Apparatus for automatically continuously supplying retractable spouts for cardboard boxes and the like

Also Published As

Publication number Publication date
FR2126659A5 (de) 1972-10-06
CA955443A (en) 1974-10-01
CH533547A (fr) 1973-02-15
GB1385335A (en) 1975-02-26
DE2203587A1 (de) 1972-08-31

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