US3165984A - Carton set-up machine - Google Patents

Carton set-up machine Download PDF

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Publication number
US3165984A
US3165984A US242877A US24287762A US3165984A US 3165984 A US3165984 A US 3165984A US 242877 A US242877 A US 242877A US 24287762 A US24287762 A US 24287762A US 3165984 A US3165984 A US 3165984A
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United States
Prior art keywords
carton
lock
preform
support stand
support
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
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US242877A
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English (en)
Inventor
William S Peppler
Le Roy F Carkhuff
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Diamond National Corp
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Diamond National Corp
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Filing date
Publication date
Application filed by Diamond National Corp filed Critical Diamond National Corp
Priority to US242877A priority Critical patent/US3165984A/en
Priority to GB28697/63A priority patent/GB1049395A/en
Priority to DK367663AA priority patent/DK115306B/da
Application granted granted Critical
Publication of US3165984A publication Critical patent/US3165984A/en
Priority to NL6818859A priority patent/NL6818859A/xx
Priority to NL6818860A priority patent/NL6818860A/xx
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • 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
    • B31B50/76—Opening and distending flattened articles
    • B31B50/78—Mechanically
    • B31B50/782—Mechanically by pushing the opposite ends of collapsed blanks towards each other
    • 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
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • 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
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/20—Construction of rigid or semi-rigid containers provided with two or more compartments
    • 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
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/30—Construction of rigid or semi-rigid containers collapsible; temporarily collapsed during manufacturing
    • 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
    • B31B2241/00—Making bags or boxes intended for a specific use
    • B31B2241/002—Making egg cartons
    • 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
    • B31B50/76—Opening and distending flattened articles
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S493/00—Manufacturing container or tube from paper; or other manufacturing from a sheet or web
    • Y10S493/901—Rigid container
    • Y10S493/912—Rigid container having internal partition
    • Y10S493/913—Egg container

Definitions

  • This invention relates generally to apparatus for setting up paperboard cartons and more particularly to an improved apparatus particularly adapted to set up folding paper board egg cartons or the like.
  • the invention is particularly adapted to be used in the setting up of folding paperboard egg cartons of the type wherein there are two rows of six cells in each carton and wherein the partitions separating a jacent cells in adjacent rows are specially shaped and contoured.
  • general principles of the apparatus could be used to set up other folding paperboard egg cartons.
  • Another object of the present invention is to provide a carton set-up apparatus which, through means for positively controlling the carton through different setting up stages, permits and elimination of guide rods and chutes, which generally extend a considerable length wherein the present apparatus is relatively compact generally encompassing a length of approximately three or four times the length of the cartons being set up.
  • a further object of the present invention is to provide a novel carton set-up apparatus which is especially adapted to set up paperboard cartons of the contoured post type which are of such a construction and configuration that it is virtually impossible to set them up by hand or by means of conventional carton set-up apparatus.
  • Yet another object of the present invention is to provide in the carton set-up apparatus of the character mentioned a coacting head and spreader-blade assembly to contour and lock-up a paperboard carton.
  • a still further object of the invention is to provide in a novel carton set-up apparatus, including a novel supply magazine, means for orienting a collapsed carton to a preforming stage for initial preforming.
  • a still further object of the present invention is to provide in a novel carton set-up apparatus novel means for initially opening a carton in a proper attitude for subsequent locking-up and contouring columnar post and cell forming partition structure thereof.
  • a still further object of the present invention is to provide in a carton set-up apparatus of the character mentioned novel orienting means for a partially erected carton which disposes the carton in a position for manipulation by a novel coacting head and spreader-blade assembly.
  • a still further object of the present invention is to provide a novel drive assembly which simultaneously operates all intermittent stages of erection of a collapsed carton including removing a single collapsed carton from a supply magazine, orienting the carton at a preliminary preform set-up station where it is partially erected into a condition for subsequent transfer to a lock-up station and finally to an eiectment station after lock-up.
  • FIG. 1 is a front elevation of the novel carton set-up 3,1653%4 Patented Ja n. 19,,1365
  • FIG. 2 is a top plan view of the apparatus with a portion of the orienting plate at the lock-up station being broken away;
  • FIG. 3 is a fragmentary perspective view of an upper portion of the apparatus showing an intermediate period of the carton set-up cycle in which a collapsed carton is partially removed, from the supply magazine, a partially erected carton is disposed intermediately of apreform set-up station and a lock-up station, and a lockedup carton is partially disposed at an ejectment station;
  • FIG. 4 is a perspective view similar to FIG. 3 showing the positions of different cartons prior to the initiation of a cycle of operation of the apparatus;
  • FIG. 5 is a perspective view similar to FIGS. 3 and. 4 showing the relative positions of the carton manipulating components at the carton preform and lock-up stations;
  • FIG. 6 is an enlarged top plan view of the mechanically operated lock-up head of the lock-up station of the apparatus in an open condition
  • FIG. 7 is a view similar to FIG. 6 showing the lock-up head in a closed condition whereby transverse panels of the carton will be oriented into substantially mutually parallel relation for receiving a spreader-blade and longitudinal partition panels therein;
  • FIG. 8 is a further enlarged, fragmentary perspective view showing initial movement of the carton lock-up head with respect to a carton at the lock-up station, and showing the carton transverse partition panels being folded toward a mutually parallel position;
  • FIG. 9 is a perspective view similar to FIG. 8 showing the spreader-blade in an intermediate position of operation wherein the spreader-blade at the lock-up station has partially creased the longitudinal partition panel and projected it partially toward locked relation with the transverse partition panels of the carton;
  • FIG. 10 is va perspective view similar to FIGS. 8 and 9 showing the final position of the spreader-blade wherein the carton is locked-up and the carton abutment plate is moved to a position to permit the locked up carton to be moved to the ejectment station; 7
  • FIG. 11 is a vertical section taken substantially on the plane of line 11-11 of FIG. 7, showing details of construction of the lock-up head;
  • FIG. 12 is a further enlarged, fragmentary perspective view, with portions of the apparatus removed and broken away, showing by phantom lines the alternate positions assumed by a displaceable abutment plate at the carton lock-up station and displaceable abutment plate at the carton preform station;
  • FIG. 13 is an enlarged fragmentary side elevation, essentially diagrammatic, showing the spreader-blade operating mechanism and alternate positions thereof by phantom lines, and the operating mechanism for preform plate at the carton preform station;
  • FIG. 14 is an enlarged fragmentary front elevation, looking from right to left at FIG. 13, showing details of the operating mechanisms for the spreader-blade and lock-up head;
  • FIG. 15 is an essentially diagrammatic, enlarged frag mentary side elevation of the lock-up head and carton ejector drive
  • FIG. 16 is a fragmentary front elevation of FIG. 15;
  • FIG. 17 is an enlarged vertical section taken substantially on the plane of line l717 of FIG. 1, showing the manner in which the preform plate at the preform station operates to initiate collapsed carton erection, and showing by phantom lines how a displaceable abutment plate functions to insure proper unfolding or breaking of the carton;
  • FIG. 18 is a view similar to FIG. 17, showing substantial erection of the carton at the preform station;
  • FIG. 19 is an enlarged, vertical section taken substantially on the plane of line 1919 of FIG. 2, showing structural detailed the carton magazine and carton transport mechanism for removing a single carton from the magazine;
  • FIG. 20 is a further enlarged fragmentary view of a portion of FIG. 19, showing details of a displaceable stop for insuring removal of a single folded carton preventing back-up of foldedcartons removed from the magazine;
  • FIG. 21 is a vertical section taken on the plane of line 21 21 of FIG. 20;
  • FIG. 22 is a further enlarged vertical section taken on the plane of line 22-22 of FIG. 19, and showing details of the carton transport mechanism;
  • FIG. 23 is a further enlarged, fragmentary front elevation at the juncture between the collapsed carton magazine and preform section, showing how the carton lid is separated from the carton body to be erected;
  • FIG. 24 is a diagrammatic view illustrating by solid lines the attitude of the carton walls and lid at the preform station of the apparatus, and showing by phantom lines how the carton walls will be oriented when the carton is locked-up;
  • FIG. 25 is an enlarged fragmentary elevation, taken essentially on line 25-25 of FIG. 24, showing a fragmentary portion of a transverse partition panel prior to flock-up of the carton, and showing the full and partial transverse panel elements formed therein;
  • FIG. 26 is a fragmentary perspective view of a contoured post carton in a locked up condition, illustrating the relationship of longitudinal partition segments and transverse partition panel elements with the'carton front and rear walls to form separate cells.
  • the novel carton set-up apparatus is indicated generally at and comprises, as indicated by general reference characters, a' suitable support stand 12 accommodating drive means 14 and supporting, on a suitable support platform 16, a supply hopper or magazine means 18, collapsed carton preforming or erecting means 20, preformed carton lock-up means 22, and carton ejectment means 24.
  • the drive means 14 is operatively connected to carton transport means indicated generally at 26 which serves to remove one-by-one the lowermost collapsed or folded carton 28 disposed in,
  • the magazine means 18 orient it in a properposition for pre-erection at the carton preform means 20, and subsequently move it to the carton lock-up means 22.
  • a supply of folded or flat cartons is disposed longitudinally within the magazine means 18 with the lid portion thereof facing down.
  • the carton transport means 26 reciprocates beneath the magazine means 18, removes the tion, the preformed carton is manipulated by the carton lock-up means 22 to form the cell-forming structure of a completely locked up carton shown in FIG. 26.
  • the carton transport means 26 After the carton is locked up, it will then be moved by the carton transport means 26 to the carton ejeotment' means 24, and the locked up carton is laterally displaced out of the path of travel ofsubsequent oncoming cartons, as seen for example in FIGS. 3 and 4.
  • the support platform '16 comprises a pair of horizontally disposed, elongated angle members 30 and 32 (FIGS. 2, l7 and 19, for example) which extend beneath the magazine means 13, past the carton preform means 29 and the carton lock-up means 22, terminating at a horizontal platform 34 upon which the locked up carton lowermost collapsed or folded carton 28 therefrom and this carton is oriented at the carton preform means 20 as seen for example in FIGS. 4 and 5.
  • the carton'preform means 20 At the carton'preform means 20,.the carton is blocked upwardly or unfolded to have a substantially tubular cross section, and the flat lid thereof is retained in a substantially horizontal position during its entire course of movement through the apparatus.
  • the preforming of the originally flat or collapsed carton involves a complete cycle of operation of the operat ing mechanism of the apparatus. After this cycle of operation has been completed, the carton transport means then engages and moves the preformed carton which is now partially erected, and transports it to the carton lock-up means 22, and at the same time the next lowermost folded carton is moved into position to be manipulated by the carton preform means 24 As the apparatus goes through a second cycle of opere are received at the carton ejectment means 24.
  • the hopper or magazine means to comprises four rectangular related, vertically extending corner forming angles 36, 38, 40 and 42.
  • the angle members 3642 generally conform to the outline of a vertical stack of collapsed cartons C.
  • the angle members 49 and 42 have fixed on the inner surface of the transverse flanges 44 and 46, respectively, thereof (see FIG. 19) an'inwardly angled wedge element 48 which causes the uppermost folded cartons .C' to be canted so that a predetermined number of cartons C" will be disposed therebeneath. Accordingly, although a relatively large stack of cartons may be disposed in the magazine means, excessive vertical load on thelowermost cart-on is prevented.
  • the flanges 44 and 46 are cut-out or notched, as seen in FIG. 19, to provide a transverse slot 5% through which the lowermost collapsed carton will be removed or dispensed.
  • a support tube or'rod 54 of the carton transport means 26 Disposed below the upper flanges of the angle members 30 and 32, and suitably supported therebetween in parallel relationship to the angle members, is a support tube or'rod 54 of the carton transport means 26. Recipro cably supported on the rod 54 is' a carrier member 56 which has mounted thereon carton engaging assemblies 58, 60 and 62.
  • the carton engaging assembly 53 includes a longitudinally extending and vertically displaceable spring finger 64, and the assemblies 60 and 62 respectively include vertically displaceable spring fingers 66 and 68.
  • the assembly 60 has pivotally connected thereto at 70 an operating link 72, for reciprocating the carrier 56.
  • power means 76 such as an electrically energized motor.
  • Power means 76 includes a power output shaft 78 upon which is fixed a drive sheave or pulley 80.
  • the idler shaft 82 is mounted in any suitable manner on the support stand,
  • the force transmitting lever 98 is pivotally connected at 100 to a lever portion 102 of a relatively large bell crank lever 104.
  • the bell crank lever 104 is pivotally mounted at 106 on a suitable pillow bearing'108 mounted on the support stand.
  • the bell crank 194 includes a vertically extending lever portion 110 pivotally connected at 112to the carton transport carrier operating lever 72.
  • the vertically displaceable spring fingers of the carton engaging assemblies sass are so spaced along the carton transport member 56 as to respectively engage the rear edge of a locked up carton, a preformed carton, or a folded carton.
  • the spring fingers 64 and s3 have a slight lost motion when moving to the left, as indicated by the direction arrows in FIG. 19, and abutment means are provided, as will be subsequently described in detail, to positively orient the folded cartons into a proper position for manipulation by the preform means 29 and lock-up means 22.
  • a displaceable stop assembly 114 is provided; see FIGS. 2, 3 and 19-21.
  • the vertically displaceable stop assembly 114 includes a vertically adjustable support plate 115 mounted by means of a screw 118 on the depending flange of the angle member 30.
  • a support block 126 Fixed to the upper end of the plate angle plate which overlies and which is disposed parallel V 116 and projecting laterally over the horizontal flange of the angle member 39 is a support block 126 which has pivotally mounted on one side thereof, by means of a screw element 122, a vertically displaceable abutment element 124.
  • the block element 1211 has fixed to the upper surface thereof, by means of a screw 126, a horizontally projecting leaf spring element 128 which engages the upper surface of the vertically displaceable stop element 124 and urges it downwardly onto the upper surface of the horizontal flange of the angle member 30.
  • the spring element 128 will permit the stop element 124 to move vertically to allow a folded carton 28 to pass therebeneath; however, the pointed nose 129 of the stop element will prevent the trailing edge of a folded carton disposed at the preform means 26 to move to the right, as seen in FIG. 19.
  • the plate 116 and block 120 thereon may be adjusted vertically in order to accommodate for the different thicknesses of folded cartons to pass therebeneath.
  • the support block 132 includes in the undersurface thereof recesses 134, and extending through suitable apertures in the flange 130 are machine screws 136 flush with the upper surface of flange 13% and receiving on the lower end thereof retaining nuts 138.
  • the machine screws have disposed thereabout, above the nuts 138, compression springs 14f! disposed on the recesses 134.
  • the support block 132 is bifurcated as indicated at 142,
  • roller element 146 projects through a slot 148 in the flange 130 of the angle member and will accordingly engage the undersurface of the lowermost folded carton 28 as it is being moved from the magazine means 18.
  • the spring urged roller 146 together with the downwardly urged stop element 124-, cooperates to insure that only a single folded carton 23 is moved from beneath the magazine means as the carton is engaged by spring finger 62.
  • the carton C includes a lid portion L and a body portion B.
  • the angle mem ber .152 extends substantially along the entire length of the preforming means 20 and the carton lockatp means 22; see for example FIGS. 8-10, 17 and 18.
  • a vertically adjustable mounting plate portion 156 of a guide shoe 158 which guides the leading edge of the body portion B of the folded cartons inwardly and upwardly-behind a vertically pivotal, preforming plate 160.
  • the plate 160 is notched out at 162 to perm-it vertical pivotal movement thereof without interference with the guide shoe 150.
  • the plate 161) is hingedly mounted at 164 on an inner portion of the angle member 152 and includes an angular upper edge portion 166 which will engage the carton fold line FL between the carton front wall panel-PW and bottom wall panel BW (see FIGS. 17 and 18); and unfold the body B into the substantially rectangular tubular condition clearly seen in FIGS. 17 and 18.
  • the preform plate includes on the inner edge thereof longitudinally spaced teeth 16$ for engaging the bottom panel BW between the foot portions F of the carton to permit the feet F to fold out of the plane of the front wall panel BW at fold line FL as seen in FIG. 17.
  • the preform plate 16% also includes an angularly disposed guide-in portion 170 for guiding the leading edge of the carton body B inwardly thereof and through the notch 162.
  • the plate 1% preferably includes at the upper left hand corner thereof an outwardly extending mounting ear 172 connected at 174 to an angular operating link 1176.
  • the support stand 12 has suitably mounted thereon a support shaft 178 which has journalled thereon a support sleeve 1% having a lever 132 secured at one end thereof and projecting vertically therefrom.
  • the lever 182 is pivotally connected at 184 to a connecting link 186, and a tension spring 188 is anchored at one end to the lever 182, the other end of which is anchored on the support stand at 1%.
  • a bearing block Suitably mounted on the support stand, as indicated at 192, is a bearing block to which is pivotally mounted at 194 a bell crank lever having a short leg 1% pivotally connected at 198 to the connecting link 186.
  • the other leg 2439 of the bell crank lever is pivotally connected at 2&2 to the end of the connecting link 176.
  • lid portion L of the carton will be disposed in the longitudinal passage of channel 204- formed between the horizontal flanges of the angle member 32 and the channel forming member 152 (see FIGS. 17 and 18).
  • Hingedly mounted at 266 on the rear corner of the angle member 355 is a vertically pivotal abutment plate 208 which is normally in substantially planar relationship with the upper flange 13 3 of the angle member 30, and which is periodically oriented into a substantially vertical position for aiding to insure the proper unfolding of the body portion B of the carton by engaging the carton at the hinge line FL between the rear wall panel RW and the bottom wall panel BW'.
  • the unfolding of the carton body insures that the feet F" fold out of the bottom wall panel BW' as partially indicated in FIG. 17. It will be noted when the body B of the carton is Oriented into tubular relationship, the bottom wall panel BW' will be disposed in overlying relationship with respect to the abutment, plate 208. When this occurs, the longitudinal partition panel LP will be disposed in substantially parallel relationship to the transverse partition panel TP; further, the feet F, F" will be in substantially coplanar relationship with the longitudinal partition panel LP as clearly seen in FIG. 18.
  • the abutment plate 208 includes at one end a depending mounting plate portion 210 pivotally connected at 212 to an adjustable connecting link 214.
  • the support frame 12 has mounted at the rear thereof an oscillatable support shaft 218 which terminates adja cent the end of the abutment plate 208.
  • a lever element 220 Projecting inwardly and radially from the end of the shaft 218, adjacent the abutment plate 208, is a lever element 220 which is pivotally connected at its inner end at 222 to the lower end of the adjustable connecting link 214. Oscillation of the shaft 218, without describing the manner in'which this is accomplished, will result in movement of the abut ment plate 208 from the solid line position shown in FIG. 12 to the phantom line position.
  • the lever 220 has connected thereto a tension spring 224 which'is anchored on the support frame or stand 12 aiding to operate one of the components of the carton lock-up means 22 of the apparatus.
  • the shaft 213 has projecting radially therefrom and fixed thereto an operating lever 226 which engages a laterally projecting roller 228 journalled on an elongated lever 230 pivotally mounted at 232 on the support frame 12 (see FIG. 12).
  • the lever 230 includes an intermediate roller or cam follower element 234 which engages the outer periphery of a cam 236 fixed on the outer end of the drive shaft 92.
  • the cam 236 includes a radially increased lobe portion 238 which causes the levers 226 and 230 to move from the solid line position to the phantom line position shown in FIG. 12.
  • the hopper means 18 has extending transversely between the flanges 44 and 46 of the legs and 42, respectively, a support strap 240 which has depending therefrom a plate element 242 which has an inwardly projecting abutment element 244 on the lower end thereof.
  • the abutment element 244 will overlie one end of the lid L of a carton, and since the strap or support plate 242 is of a spring-like character, the abutment element 244 will displaceably engage an upwardly moving portion of the carton body to insure that unfolding occurs at fold line FL'.
  • a second abutment element 248 which likewise engages the body portion of the carton and has the same function as the abutment element 244 (see FIGS. 2 and 5, forexample).
  • the carton lock-up means 22 generally comprises a lock-up head indicated generally at 258, a spreader-v blade assembly indicated generally at 260 and an abutment or orienting plate assembly indicated generally at 262.
  • the abutment or orienting plate 262 is most clearly seen in FIG. 12, and is operated by means of the previously described oscillating shaft 218 through the medium of the radial lever 220 which operates the abutment plate 208 of the carton preforming means20.
  • a shaft 264 Extending horizontally and suitably journalled on the support stand 12 is a shaft 264 which has fixed thereto by means of suitable mounting brackets 266 a plate member 268 having a forward or upper angular plate portion 270 substantially conforming to the configuration of one side of the locked-up carton (see FIGS. 810).
  • a plate member 268 Extending from the plate portion 270 at the left hand end thereof as viewed in FIG. 12 is an indexing element 272 which will engage the leading end of a preformed carton body and index it with respect to the lock-up head 258 and spreader-blade assembly 260.
  • the plate 268 will pivot from the solid'to the phantom line position shown in FIG. 12 due to oscillation of the shaft 264.
  • the shaft 264 has fixed at 274 a lever element 276 which is pivotally connected at 278 to a vertically extending operating lever 282.
  • the operating lever 282 is pivotally connected at its lower end at 284 to an intermediate portion of the previously described lever 220 which is oscillated by the shaft 218.
  • the leading end of the body portion of the preformed carton will abuttingly engage the indexing element 272 as the carton is moved by the carton transport means 26 from the carton preform means into a position to be manipulated by the carton lock-up means.
  • the lock-up head 258 comprises a pair of vertically extending support arms 286 and 288 (see FIGS. 15 and 16, for example) which are journalled at their lower ends at 290 and 292, respectively, on a horizontal support shaft 294 mounted on the support stand 12.
  • the arms 286 and 288 have respectively anchored thereto one end of tension springs 296 and 298, the other ends of these springs being anchored on the support frame.
  • the springs 296 and 298 tend to draw the arms 286 and 288 toward the phantom line position shown in FIG. 15.
  • Suitably secured to the upper ends of the arms 286 and 288 are substantially C-shaped bracket elements 300 and 302 which are substantially wrapped about the lower, forward and upper surfaces of the channel forming member 152.
  • the channel forming member 152 may have a guide block 304 fixed on the upper surface thereof and in a notch of which the arm 302 is guidingly supported (see FIGS. 2-5, for example).
  • the inner ends of the arms 300 and 302 are connected to a head member 306 which has formed on the inner surface thereof suitably conformed fixed abutment finger elements 308-322 and339 which will engage and orient the transverse partition panel elements 324 and 326 of the carton body (see FIG. 24) and dispose them substantially at right angles to the plane of the panel out ofwhich they are formed, .as seen in FIG. 26, and progressively illustrated in FIGS. 8-10.
  • the head 306 has pivotally mounted on vertical pivot elements 328-334 (see FIGS. 6, 7 and 11) horizontallyoscillated gripping finger elements 336-342, respectively, which will move from the position shown in FIG. 6 to that shown in FIG. 7, for the purpose of positively orient-f ing the transverse panel elements in a proper position forreceiving the locking-up structure of the carton bottom, when the spreader blade assembly 260 moves from the position shown in FIG. 8 to the final lock-up position shown in FIG. 10.
  • the fixed fingers 308-322 and 339 and horizontally pivoted fingers 336 342 are disposed in vertically spaced pairs in order to permit the spreader-blade, to subsequently be described, to pass therebetween. Accordingly, similar reference characters are utilized to identify the fixed and pivotal fingers of the lock-up head assembly 258.
  • This reversed pivotal movement is provided by a pair of crossed levers 344 and346 respectively connected to the pivot elements 33% and 332 of the innermost pivotal fingers 33?, and 340.
  • the outer ends of the levers 344 and 346 are connected to coil springs 34% and 350, respectively, which are anchored at their outer ends (see FIGS. 1, 6, 7) to a pin element 352 extending transversely through the upper end of a support lever element 354.
  • the lever 354 is pivotally supported at 356 between a member 358.
  • the bracket member 358 includes an adjustable stop or abutment screw 360 extendable toward and away from the lever 354 for adjusting or determining when the finger elements 336-342 will begin to have their pivotal movement away from the position shown in FIG. 6 toward that shown in FIG. 7.
  • the pivotal finger 336 includes a rearwardly projecting portion which has pivotally connected at 362an elongated connecting link 364 which is. pivotally connected at 366 to the pivotal finger 34%.
  • the pivotal finger 342 is pivotally connected at 368 to a connecting link 37% which is pivotally connected at 372 to the rear end of the pivotal finger 338.
  • the finger 342 When the pivotal finger 338 moves toward the right as indicated in FIG. 7, the finger 342 will also be caused to move toward the right. Likewise, the pivotal movement or the finger 340 causes the finger 336 to move in a common direction therewith.
  • the main drive shaft 92 (see (FIGS. 15 and 16) has mounted thereon cam elements 374 and 376 which are in coplanar relationship with cam follower roller elements 378 and 330, respectively, journalled at 382 and 384, respectively, on the arms 286 and 288.
  • the arms 2% and 238 are urged by the tension springs 2% and 298, respectively, and the rollers 378 and 386 engaging the cam elements 374 and 376, respectively, will cause the support arms or the set-up head assembly 253 to move, during a single rotation of the drive shaft 92, from the phantom to the solid line position shown in FIG. 15.
  • the dolly 392 Carried on a suitable support angle member 382 mounted on the support frame 12 is the spreader-blade assembly 266 which includes opposed guide tracks 384 and 386 which reciprocally support wheels 388 and 39% respectively, of a spreader-blade assembly dolly 392.
  • the dolly 392 includes a forwardly projecting draft link 394 which is pivotally connected at 396 to a bifurcated, vertically extending lever 400 connected at the lower end to the sleeve 180 journalled on support shaft 178 (see FIG. 14).
  • the lever 4% is journalled 1'9 7 at 402 to a cam follower element 464 engageable on the outer periphery of a cam 466 fixed to the drive shaft 92.
  • member 259 has a cut-out portion 412 to permit the reciprocatory movement of the spreaderblade assembly 26% (see FIGS. 13 and 14).
  • FIGS. 13 and 15 may be correlated to the extent that when the lockup head assembly 258 is in the solid line position shown, i.e. at its leftwardmost position shown in FIG. 15, the spreader-blade assembly 269 is likewise in the solid line position as shown in FIG. 13, i.e. is at its rightwardmost position.
  • the dolly 392 includes a vertically extending support 4-14 which has a horizontal support base or block element 416 upon which is mounted by means of cap screws 418, or the like, a spreader-blade assembly 420.
  • the spreader-blade 429 will be effective to engage the longitudinal partition panel LP of FIG. 17,-and engage it at the longitudinal intermediate fold line A and cause this partition to move inwardly as indicated in FIGS. 8-10.
  • the blade 42% includes a plurality of longitudinally spaced, substantially coplanar blade segments 422, edges of which have extending transversely or vertically thereof, lips or flanges 424 which extend out of the plane of the segments 422 to form the contoured partition panel segments 426 of the carton (see FIG. 26) and column-like portions indicated generally at 428.
  • transverse partition panels 324 and relatively shorter transverse partition panels 326 will be maintained substantially parallel to each other, or at right angles to the side walls of the carton (see FIG. 26) as the blade 42%, including the forming portions 422 and 424, extends in between the slots formed by the fixed fingers 308-322 and pivotal fingers 336342 of the set-up head.
  • the locking struc-- ture of the carton is fully described in detail in the copending application Serial No. 138,244.
  • the ejector means 24 comprises a support platform 34, and the platform includes an outer vertical flange 426 and an inner vertical flange 428, having an intermediate cut-oif portion 430 in alignment with the leading end of a locked up carton to receive the same therethrough.
  • the support platform 34 includes an elongated slot 432 which has projecting therethrough an elongated, horizontally oscillating support bar 434 which projects above the upper surface of a support platform 434 and which has fixed to the upper end thereof a transverse pusher plate 436.
  • the support bar 434 is secured at its lower end to a laterally projecting sleeve 438 which is journaled on a terminal or laterally projecting end portion of the support shaft 294.
  • the sleeve 438 as seen in FIGS. 1, 15 and 16, for example, has fixed to the inner end thereof a radially projecting lever 440 including an inwardly extending pin 442 which is received in the slot of the bifurcated end portion 444 of a lever 446.
  • the lever 446 is intermediately pivoted at 448 on the support arm 286, and pivotally connected at 450 at the lower end thereof to a link 452 pivotally mounted at 454 on the support stand 12.
  • the pusher plate 436 will be moved from the solid to the dotted line position known in FIG. 15, the amount of travel afforded by the pusher plate 436 being approximately the thickness of a locked up carton to accordingly move the cartons out of their path of travel through the preform means 20 and lock-up means 22..
  • a plurality of folded, fiat cartons C are loaded in the hopper or chute means 18, lid-down, and a predetermined number of the folded cartons (see FIG. 19) will be more or less separated from those folded cartons thereabove.
  • the carton transport means 26 will be reoiprocated to remove a single folded carton to a position at the preform means 20 which may be conveniently described as a preform station.
  • the carton body B is unfolded by a preforming plate 160 and pivotal abutment plate 208 (see FIGS. 17 and 18) and the feet F of the preformed carton body will be disposed in a guided track formed by plate member 250.
  • the assembly 114 functions to insure that a folded carton is removed from the hopper means 18 one-at-atime.
  • the lid L of the carton is guided beneath a channel forming member 152 and is maintained in the channel 204 formed thereby during the preforming and locking up of the carton.
  • the preformed carton is indexed into its proper position at the lock-up station 22 by the plate assembly 262 including indexing element 272.
  • the lock-up head 258 moves in the manner sequentially indicated in FIGS. 8-10, causing the transverse partition panels 324 and 326 to be disposed substantially at right angles to the panel outof which they are formed, these panels being positively oriented or retained in this position during lock-up of the carton by fixed fingers 308322 and 339 and pivotal fingers 336- 342 of the lock-up head assembly 258.
  • the spreader-blade assembly 260 includes a configuration wherein the longitudinal partition of the carton is progressively folded as seen in FIGS. 8-10, positively locking up the carton and simultaneously contouring the feet of the carton, particular reference in this regard being drawn to copending application Serial No. 138,244.
  • an egg carton set-up apparatus for erecting a collapsed, cellular, transverse-partition type egg carton" characterized by a tubular body having a hinged lid and including a longitudinal partition forming a plurality of separated post segments extending from the under surface of the lid to the lower margins of the erected carton, said set-up apparatus comprising a support stand having 2.
  • said support stand including a support platform, a supply hopper on said platform for receiving collapsed, longitudinally-disposed carton preforming means on said support stand adjacent said hopper for forming a collapsed carton into a tube with the longitudinal partition panel disposed in a vertically extending planar condition, carton lock-up means on said support stand adjacent said carton preforming means, and a carton transport reciprocably mounted along the longitudinal path of travel on said support stand be neath said supply hopper and carton preform means; the improvement characterized in that said support platform includes a vertically extending channel-forming member extending the length of said carton preforming means and carton lock-up means and above said carton transport for receiving and guiding the planar longitudinal partition panel during movement through said apparatus, said carton preform means comprising a preform plate displaceably mounted on said support stand and movable transversely of said longitudinal path of travel and toward and away from said channel-forming member.
  • said carton preform means includes an arcuate guide shoe mounted on said support stand adjacent to said supply hopper for engaging and initiating erection of the collapsed cartons, said support stand including a member extending horizontally from said arcuate shoe along the longitudinal path of said apparatus and forming a horizontal channel on said apparatus for receiving the lid of a carton therein as it passes through the apparatus, said preform plate being hingedly mounted on said support stand inwardly of said arcuate guide shoe and including a cut-out portion permitting said preform plate to move from a horizontal to a substantially vertical position past said arcuate shoe.
  • said carton preform means includes a secondary abutment locked up at the lock-up means 22, and finally ejected platedisplaceably mounted on said support stand adjacent a lower portion of said guide channel and disposed in opposition to said preform plate for initiating proper preforming of said collapsed cartons into a tube.
  • said drive means includes an operating .shaft extending longitudinally of said path of travel in said apparatus, said lock-up means including a displaceable orienting plate assembly pivotally mounted adjacent the upper portion of said channel-forming member for engaging and main taining the tubular carton walls in a position for subsequent lock-up, said secondary abutment plate and said orienting plate assemblybeing operatively connected to and simultaneously operated by said operating shaft.
  • said orienting plate assembly includes a depending abutment portion for engaging one end of a preformed carton for orienting it in a position for final lock-up and erection.
  • said lock-up means comprises a head assembly and spreader assembly disposed on said support stand in opposed relationhip onopposite sides of the path of travel of cartons in said support stand for engaging a tubular, preformed E13 carton and locking the longitudinal partition thereof with respect to transverse partition panels.
  • lock-up head assembly comprises a dolly portion and guide tracks disposed laterally of the longitudinal path of travel through said apparatus, said dolly portion being displaceably supported on said guide tracks.
  • the structure of claim 1 including carton ejectment means disposed adjacent to said carton lock-up means downstream of the longitudinal path of travel of cartons in said apparatus, said carton ejectment means comprising a pusher plate displaceably mounted at one side of the longitudinal path of travel of cartons in said apparatus 14- for displacing them laterally of said path of travel, said drive means including portions sequentially operating said pusher plate portion for displacing a locked-up carton after a preformed carton is disposed in a position to be locked-up.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
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US242877A 1962-12-06 1962-12-06 Carton set-up machine Expired - Lifetime US3165984A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US242877A US3165984A (en) 1962-12-06 1962-12-06 Carton set-up machine
GB28697/63A GB1049395A (en) 1962-12-06 1963-07-19 Improvements in or relating to carton set-up machines
DK367663AA DK115306B (da) 1962-12-06 1963-08-01 Apparat til opretning af sammenfoldede ægkartoner.
NL6818859A NL6818859A (da) 1962-12-06 1968-12-31
NL6818860A NL6818860A (da) 1962-12-06 1968-12-31

Applications Claiming Priority (1)

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US242877A US3165984A (en) 1962-12-06 1962-12-06 Carton set-up machine

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US3165984A true US3165984A (en) 1965-01-19

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US242877A Expired - Lifetime US3165984A (en) 1962-12-06 1962-12-06 Carton set-up machine

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US (1) US3165984A (da)
DK (1) DK115306B (da)
GB (1) GB1049395A (da)
NL (2) NL6818860A (da)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3393494A (en) * 1964-08-26 1968-07-23 Wolff Book Mfg Co Inc H Packaging machine
CN112318927A (zh) * 2020-11-09 2021-02-05 昆山易分蓝电子科技有限公司 精装礼品盒生产系统中的内盒掉落时间可控的结构和方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1514633A (en) * 1920-11-15 1924-11-11 American Can Co Blank-feeding mechanism
US2659279A (en) * 1948-06-12 1953-11-17 Gen Package Corp Carton setup machine
US2677543A (en) * 1950-06-08 1954-05-04 Container Corp Sheet feeding mechanism
US2700922A (en) * 1952-09-18 1955-02-01 Gen Package Corp Carton setup machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1514633A (en) * 1920-11-15 1924-11-11 American Can Co Blank-feeding mechanism
US2659279A (en) * 1948-06-12 1953-11-17 Gen Package Corp Carton setup machine
US2677543A (en) * 1950-06-08 1954-05-04 Container Corp Sheet feeding mechanism
US2700922A (en) * 1952-09-18 1955-02-01 Gen Package Corp Carton setup machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3393494A (en) * 1964-08-26 1968-07-23 Wolff Book Mfg Co Inc H Packaging machine
CN112318927A (zh) * 2020-11-09 2021-02-05 昆山易分蓝电子科技有限公司 精装礼品盒生产系统中的内盒掉落时间可控的结构和方法
CN112318927B (zh) * 2020-11-09 2022-03-01 昆山易分蓝电子科技有限公司 精装礼品盒生产系统中的内盒掉落时间可控的结构和方法

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NL6818860A (da) 1969-03-25
GB1049395A (en) 1966-11-30
DK115306B (da) 1969-09-22
NL6818859A (da) 1969-03-25

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