US1600420A - Cardboard-creasing machine - Google Patents

Description

Sept. 21 1926. 2,600,420

L. L. A. MAYALL CARDBORD CREASING `MACHINE Filedharch 14, 1924 a sheets-sheet 1 sept. 21, 192e. 1,600,420v

' L. .L A. MA'YALL CARDBOARD cREAsING MACHINE' Filed March 14, 1924 5 Sheets-Sheet 2 y i t E) Y V: E@

l Il l h f l |l l `1 Qi Nv Q l w51 q H nl: :i N u i P L- u l n X sem:y 21,4926. v1,600,420

' L. L. A. MAYALLv CARDBOARD CREASING'MAvCHINE Filed March 14. 1924 i 3 Sheets-Sheet 5 patented Sept. 21', 1926i.

"UNITED :sTArEs i' v;y 1,000,420

PATENT OFFICE. Y

LEWIS LAvusA. Mmmm., nEoEesEn; EY GEORGETTE IRENE MAYALL ADMINISTRA- f marx, 0E PHILADELPHIA, PENNSYLVANIA.' -f

CARDBOARD-CREASNG I/.LACHVINE.

i -v .1p'p1cation filed March 14, 1924. Serial No. 699,304.

rIhis invention relates to a cardboard creasing machine, and it relates more particularly tocertain improvements in .that type of machine for creasing card or other board for, box making, shown and describedin Letters Patent'of the United. States, granted to Lewis A. Mayall, February 2, 1915, No. 1,126,816. f

In saidLetters Patent No. 1,126,816, there is shown and jdescribed amachine by means of which longitudinal and transverse creases are formed in a sheet of. cardboard while said sheetfis being passed through ,the machine, and this without changing the plane or direction of4 travel of the sheet during the various manipulations to which the same is subjected to formthe creases therein, it being understoodthatthe sheet of cardboard is so creased for the purpose of subsequently forming the same into-a portion of a paper box .or container. l v

OneA of the principal objects ofthe present invention is to provide, in a machine ofthe character aforesaid,van improved construction and arrangement* of `the stopsand the mechanism foractuating the'same, for registering or lpositioning the sheet of cardboard as the same is subjected to the various manipulationsofthe machine, whereby said stops will be more positive,v certain and reliable in their operation,as it is essential that said stops lshall. properly function at all 'times for the successful, eiiicient and economical operation of the machine. p

A further object of the present invention is to provide improved means for adjusting eertainof the creasing dies whereby the same y may be quickly and readily changed in their locations for creasing fsheets'for boxes of various sizes.

The nature and charvacteristic, features of the present invention lwill'be more readily understood from the following description, taken in connection withthe accompanying drawings forming. part hereof,` in which `Figure 1 is a side elevation, to a certain extent diagrammatic, of a machine embodying the main features of thepresent invention; Y

Fig. 2 is an elevation of the front or feed end ofthe machine; l, f

Fig. 3 is a fragmentary longitudinal sec-l tion of thefront-or feed end portion of the machine, the section ybeing taken approxn imately onv the line 3-3 of Fig. 2;

Fig. 4t is a fragmentary elevation ofa por,- tion of the machine, illustrating'one of the stops and mechanism for actuating the same, the view being vtaken, approximately on the line 1 -1 of Fig. 3; 'f Y Fig. 5 is a fragmentary plan, taken approximately on the line 5-5 Of Fig. 4;

F ig. 6 is a fragmentary horizontal sect-ion taken approximately on Fig. 2;

Fig. 7 is a fragmentary elevatioinpartly in section, taken on the line 7-7 of Fig. 6;

Fig. 8 is an enlarged plan of one ofthe stops for initially registering or alining lthe sheet of cardboard prior to its being fed through the machine ;v andA 'Y Fig. 9 is a section thereof, taken approx-l imately on the line 9-9 of F ig. 8.

It should be understood that in the drawings there is shown so lmuch only of the machine as isnecessary fora proper understanding of the particular improvements of the present invention, and that, for a better understanding of the construction and operation of the machinepin its entirety, reference 4 is had to Letters fPatent No. 1,126,816, dated February 2, 1915,to Lewis A. Mayall.

Referring to the drawings, in ther particu-A lar embodiment of the y present invention therein shown, a and al are the side frames of thermacliine', from which the various parts thereof lare supported. A feed table a2 is provided at the front or feed end of the machine, and a discharge table a3 is providedat the rear or discharge end of the machine,

these tables being supported from the side frames a and a1 as shownin Figs. 1, 2 and 3 of thedrawings. The feed table a2 is provided with an adjustable guide bar a4 (see Figs. 1 and 2), for initially positioning the sheet of cardboard sidewise, thereby insuring that the longitudinal 'creases will be properly located'upon theV sheetA as thesame is operated upon in its passage through the machine. v Y

The machine is preferably operatedihy an electric motor d, the shaft d? of which car? ries a pulley d2 which, by means of a belt als, drives a. pulley d* mounted on a .shaft d5, which also carries a gearvcls. The gear or m meshes with and drives a gear C078. rihe` gear Z8 is mounted on a shaft Z9 extending across the machine, the other parts of the mechanism above described being arranged on the far side of the machine, as shown in Figs'. 1 and 2 of th-e drawings.

rI he machine is providedv with upper and lower longitudinal creasing dies c and c1, respectively. The upper creasing dies arev adjustably secured to respective vertically reciprocable blocks C and c6, and said upper creasing dies c are. provided with members c2 for forming the. longitudinal creases,

in the sheet of cardboard. The particular mechanism for vertically reciprocating the dies c through the medium of the blolrs c5 and c6, by which said dies are carried, as well as the construction of the dies themselves,l form no part of the present invention, and the same are fully7 shown and described in Letters Patent No'. 1,126,816, hereinbefore referred to, and to which reference is had for a further understanding of the same.

The lower longitudinal creasing dies c1 are supported on the cross bars c4, the same being arranged so as to be transversely adjustablein the machine and with respect to each other, to enable the machine thereby to be used for creasing blanks for boxes of various sizes. For the purpose of facilitating the adJustmcnt of one of said lower longitudinal creasing` dies c1, there 1s provided the arrangement shown in detail in Figs. 6 and 7 of the drawings. This arrangement comprises the provision of a pair of bolts c and 014, threaded as at 015, which respectively engage complementally threadedl nuts o16, .which are secured to the under sides of the dies c1. The bolts 013 and 014, and consequently the nuts 01, are spaced apa-rt a suficient distance so that, when the bolts 013 and c are actuated in unison, the die c1v will be moved across the machine to. the desired location, while at the same time maintaining t-hel proper longitudinal alinement of the same. On the ends of the threaded bolts cl3 andv 014 there aremounted gears 011 and 012, respectively, each of which is en- 1 gaged by a gear 01 mounted on a stud shaft es, which is also provided with a hand wheel c7, the arrangement being such that when the hand wheel Vc7, is manually actuated, the bolts 013 and 014 will be synchronously rotated for the purpose of effecting the adjustment of the. lower creasing die c1, while at the same time maintaining the alinement thereof.

It will be noted that the means for adjusting the lower creasing dies is only shown as applied to one of said dies on the right hand side of the machine (when viewed as in Fig. 2), as it will ordinarily be suflicient for all practical purposes to provide this convenient means of adjustment on but one side of the machine, leaving the other die to be adjusted as heretofore, for the reason that in ordinary practice the range of sizes required can be readily secured by the adjustment of but one of the longitudinal creasing dies.

On the near side of the machine, as shownin Fig. l, a gear d10 is mounted on the cross shaft d, hereinbefore referred to, which gear d10 meshes with and drives an idler gear (lll, which in turn meshes with and drives agear el. The gear (X12 is mounted .on a shaft (Z13, upon which shaft Z13 a cam d is mounted. A roller P5 engages the cam d, said roller being carried on the endof a lever (216, which is secured to one end of a rock shaft alg, which extends across the machine. each side of the machine, a lever d, which is connected by means of a link d to one end of a lever d1", which is pivoted as at cl2@ to a stationary part of the machine. Thel other end of the lever d is pivotal-ly connected, as atcl, to alink d. The link Z22 on each side of the machine is connected at its lower end to the respective end ofra bar a, which extends across the machine. each end of the cross bar L17 there is provided a downwardly eiitending spring pressed rod CZSS", the.- lower end o-f which is guided in a bracket d, which brackets c24 are respectively secured to they standards: a and 0,1 (see Fig. 2).v The foregoing arrangement is provided for the purpose of normally iin'pelling thel cross liarl w17 upward, eX- cept when the same is depressed by the actuation of the cam CZ, through the intervening mechanism hereinbefore described.

The gear du, hereinbefore referred to, also meshes with and drives a gear 125, which in turn meshes with and drives a gear cl2", which in tui-n meshes with andI drives a gear cl2. The gear d is mounted on and serves to rotate the shaft all, which carries feed rollers al (see Figs. 1,2 and 3*). It should be understood that the feed rollers al are. constantly rotated during the operation ofthe machine. The rock shaftv als which, as hereinbe-fore described, eXtends across the machine andv is actuated by means' of the cams d and the associated mechanism, carries levers am, preferably of a flat spring type, and at the free end of each of the levers t12 there is carried a pressure' roller ag. Each of the pressure rollers a is adapted, whenthe same is lowered, to coact with a respective feed roller al", to feed the 'sheet of carboai'd into the machine, it being understood that when the pressure rollers a9 are raised, the feed rollers n10 will rotate idly on the under Vsurface of the sheet of cardboardr which may be superimposed thereon.

Each of the lower' creasing dies c1 is provided with brackets CLT, and in each of the brackets a7 there is provided a' vertically movable stop member a5, which isadapted The rock shaft L13 alsocarries, at

Near l t be raised above the plane of the top surface of the die 01.l The stop member a is secured toV and-carried by a rack b. The

`rack bis engaged by a sector gear b1, which is-mounted upon a shaft am, which shaft a extends parallel to the creasing die 01, so as to actuate the stops adjacent the respective endsthereof. The locations of the various stop devices employed for the complete creasing operation performed by the machine are more clearly shown and described in the hereinbefore mentioned LettersPatent No.'1,126,816, it being understood that the locations ofy said stop devices in the Jresent invention are the same as in said i etters Patent,although the st-ructure and mode of 9 b2 is slotted complemental to the cross bar 0,17, so that, when th-e corresponding die c1 is adjusted crosswise in the machine, the block Z22 will engage the cross bar a at the various adjusted positions. rllhe block b2 is guided in its vertical movement by means of a bracket b3, which is secured to the die o1.

The gear c 12, hereinbefore referred to, also meshes with a train of gears 23, for the purpose of actuating the feed rollers Z22 in the central part of the machine, the purpose of which feed. rollers is shown and described in said Letters Patent No. 1,126,816, hereinbefore referred to.

The gear 6X7, hei'einbefore referred to, also meshes with and `drives a gear cl3", mounted on a shaft 31, which also carries a gear 32, which in turn meshes with and drives a gear 33. The gear (233 meshes with and drives a gear 34, which in turn meshes with and drives a gear 35, which in turn meshes with and drives a gear 33, which in turn meshes with and drives a gear 37. The gears X35 and Z3? respectively serve to actuate the feed rollers 32 and 232 at the discharge end of the machine. rlhe shaft (31, upon which the gear X30 is mounted, serves to actuate the transversely extending creasing die near the discharge end of the machine, the construc- The cam d1* being in ksuch position that thev roller (Z13 bearsV against the low portion. of i said cam, the pressure rollers a2 will be raised, through the action of the rock shaftw13, upon which the levers L12 which support the roller a `are mounted. When the-pressure rollers a are thus raised, it will be understood that the cross bar a will be like-rA wise raised through the Aintermediary of the I lever-d1?, link d, lever d and link (Z22, thel same being impelled upward by the spring pressed rod 23. When` the cross bar 1121s moved to the; elevated position as aforesaid,

the sector gear `blwvill be actuated by means of the lever a and shaft am. When the sector gear b1 is thus actuated, the rack t?) will be correspondingly elevated,l and con-- sequently the stop members awill be raised above .the'upper surface of the lower die c1.

When the stop members a5 are thus elevated,z the sheet is pushed forward until the front end of the same abn-ts against said projecting .stop members a5. y f

As the cani ZM continues to rota-te until the high vpart thereof engages the roller d, the Across bara17V will thereby be depressed through the intervening mechanism hereinbefore described, and thereby tli-e sector gearV b1 will beactuat-ed to lower end rack b, and consequently to lower the 4stop members a5 carried thereby. Simultaneously, the rock shaft L13 being actuated, the pressure rollers a2 will be depressed to cause the same to engage the sheet immediately over the lower feed rollers am, and in this manner the sheet will be fed forward until the front end of the same encounters the neXt set of stop members, which will be raised as the cani ZM continues to rotate, simultaneously with the elevation of the pressure rollers a9, the sheet meanwhile having reached the proper position to be arrested in its movement by said next- .set of stops. The sheet is thus fed forward through the machine, step by step, and subjected to the various manipulations of the creasing dies in the manner shown and described in said Letters Patent No. 1,126,816, hereinbefore referred to, being subsequently arrested in its movement for the manipulation by the transverse creasing die at th-e .forward end of the machin-e by other sets of stops, not

shown, but of substantially the same con.

struction and arrangement.

Having thus described the nature and characteristic features of the present invention, what is claimed as new and desiredV to be secured by Letters Patent, is

1. In a machine of the character described, creasing dies, means for feeding a sheet to said creasing dies, stop devices having portions adapted to be projected into the path of said -sheet to position the same during the creasing operation, said stop devices comprising a vertically movable member, a

rack to which said member is secured, a sector gear engaging said rack, and means for periodically actuating said sector to thereby raise and' lower the vertically movable member.

2. In a machine of the character described, creasing dies, means for feeding a sheet to said creasing dies, stop devices having portions adapted to be projected into the path of said sheet to position the same during the creasing operation,A said stop devices comprising a vertically movable member, a rack to which said member is secured, a sector gear engaging said rack, a shaft upon .which said sector gear is mounted, and means for periodically actuating said shaft to thereby raise and lower the vertically movable member.

3. In a machine of the character described,

creasing dies, means for feedinga sheet to said creasing dies, stop devices having portions adapted to be projected into the pathY of said sheet to position the same during the creasing operation, said stop devices comprising a vertically movable member, a rackv to which said member is secured, a sector gear engaging said rack, a shaft upon Which said sector gear is mounted, a lever carried by said shaft, a link pivotally connected to said lever, ,a block to which said link is connected, a bar extending across the machine and means for periodicallyraising and lowering said bar, said block1 being slidably mounted ony said bar Whereby the same Will be properly positioned onsaid bar when the creasing dies are adjusted sidewise in the machine.

4. In a machine of the character described', creasing dies, means for feeding a sheet to said creasing dies, stop devices havin-g portions adapted to be projected into the path of said sheet to position the same during the creasing operation, said stop devices comprising a bracket carried by the die, a vertically movableV member mounted in said bracket, a rack to whichv said member isv secured, a sector gear engaging said rack, a shaft upon which said se-cltor v gear is mounted, a lever carried by said shaft, a link pivotally connected to said' lever, a block to which said link is connected, a bar extending across the machine .and means for periodically raising and lowering said bar, said block being slidablymounted on said bar whereby the same will' be properly positioned on said bar when the creasing dies are adjusted sidewise in the machine.

In Witness Where-of, I the said GEORGETTE IRENE MAYALL, administratrix` of the estate of Lewis A. Mayall, deceased, have hereun tov set my signature.

GEORGETTE IRENE MAYALL.,

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