US2685805A - Method of making blanking dies - Google Patents

Method of making blanking dies Download PDF

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US2685805A
US2685805A US335515A US33551553A US2685805A US 2685805 A US2685805 A US 2685805A US 335515 A US335515 A US 335515A US 33551553 A US33551553 A US 33551553A US 2685805 A US2685805 A US 2685805A
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counterplate
holes
dies
press
die
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US335515A
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John R Baumgartner
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John R Baumgartner
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/28Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
    • B23P15/40Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools shearing tools
    • B23P15/406Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools shearing tools rotary or plane die cutters

Description

Aug. 10, 1954 y '.LR. BAUMGARTNER 2,585,805 I METHOD oF MAKING BLANKING DIES Filed Feb. e, 1953 '5 Sheets-Sheet l 5 1N VEN TOR. 43am/Aim Aug. 10, 1954 J. R. BAUMGARTNER 2,585,805
l METHOD oF MAKING BLANKING DIES Filed Feb. e, 195s a sheets-sheet 2 Aug. 10, 1954 J, R. BAUMGARTNER 2,685,805
METHOD ORMAKING BLANKING DIES Filed Feb. 5, 1953 I 3 sheets-sheet s 6 F w 58 l Cs.
Y 59 L-Sa F\ e. le 55 y as 9 55 M 3, 8 39 M 29 3l 49 l 1111A 'lll' "11111. '1,14
3 Prc-H5 32 34 30 (rta-.11W 3a IN; 'ENTOR- Qumlca Aff/5,
atentecl ug. l0, 1954 UNITE-D STATES PAT ENT OFFICE FJNIKINGL BLN DIES John RtBaumgartner, Milwaukee, Wis.
Applica/#ibn Fbilaly 6, 1953", Serial Nbr 3353515 2v Clailllsy (Cl. 7Gb-107 The?r invention relates to: a method: of. making the outing and creasing diesor blanking diesk for a. blanking press for forming carton blanlrs.y
Thel main object of the invention' isto provide a method for making dies of. the-character above described wflflerebyy any set of. dies may be used interchangeably on several: presses and whereby anyl set of dies may be made. andv furnished to a press owner without having to use the press, on whichthe dies are to bey mounted, as av proofing press:
The invention further' consists in the several steps of making the dies as hereinafter more particularly described and claimed.
I-nthe drawings:
Fig-..1 is a side elevation viewy of a carton blanki-ng and creasing press, parts being broken away;.
Eig. 2 isa plan view of a male die chase;
Fig. 3 isa. planr View. of this chase with a drillingjig. superimposed thereon;
Fig. 4 is a: detailed verticalisectionalfviewy taken on. theI broken line 4-4 of Fig. 3,. parts being broken away;
Fig,v 5- isa detailed vertical sectional View taken vonthelinea-5,01 Fig. 3*;
Fig. 6- is la vertical sectional view through a. portion of a. male die with a loca-ting pin in place.;y
Eig. '7vr is a View similar to Fig. 3 showing. the iig used in. Fig. 3 appliedv to the counterplate or female die Fig-..8 isa detailed vertical sectional view taken ontheline8-8 of Fig. 7
Fig. 9 is a detailed vertical sectional View taken onthebrekenline 9.-9y of- Fig. 7;
Fig. l0 is a plan view showing thel counterplate' superimposed.onthefrn-ale.die chase;
Fig. l1 is a detailed vertical sectional view taken on the broken line H--ll of Fig. 10.;-
Fig.. 1.2v is a plan View of the counterplateas markedhy rules'of the n'ialedieA chase;
Fig. 13 is a plan View of the counterplate.- after milling the creasing grooves therein;
Fig. 14 is a detailed vertical sectional viewtaken on the line |.4-l-.4 of Fig. 13;
Fig.. 1-5 is a plan view of a completed maladie;
Fig. 1.6 is a vertical sectional View through a pair of alinedv dies temporarily held together;v
Fig. L7 is'a plan View of the base plate for the counterplatey with any adhesive applied thereto;
Fig. 18- is a view of the dies as shown in Fig, 1-6I and. the counterplate base plate set up in the: pressfor transfer or the counterplate. to its basev platea.
counterplate transferred. to. its base: plate.;
Fig.. 20 is. al bottom plan view of the inverted counterplate and base plate after drilling the locating holes in these' plates;
Fig.. 2l is a detailed vertical sectional.l view taken on the line 21-21` of Fig. 20';
Fig- 22 is a view similar to'Fig. 21 with a locator pin.. in place;l
Fig; 23 is a top plan viewV of thev counterplate and: basefplate assembled together;
Fig.. 24 is a detailed. vertical sectional View taken on. the broken line 24-24 of Fig.. 23;
Fig. 25 is a view similar to Fig. 24 showing. a portion of the nished lower die;
Fig; 26- is a View of a. counterplate as adapted for. use on any of a plurality of machines;
Fig. 257 is. a detailed section-al View takelr on the line 21-21 of Fig. l.
In, the carton blanking and creasing ar-.t it has been the usual practice to furnish cutting and creasing dies. for the blankingv press or eacha individual. machine so that a user could not use these samev diesonv another similar machine because. no twov press` structures are identical, but the. dies must accurately aline with each other forv satis.- factory' work. These. dies are very expensive because of the time and labor involved. in their construction so that there is decided advantage in having the same set of dies available for. one or more presses and in having a set of dies which may be supplied to the user for any similar press. By the method hereinafter describedV a set of'diesmaybe prepared for use on any one of'a number of similar presses, and the owner of these presses by a relatively simple procedure of mounting the -v counterplate to a baseplate therefor for each machine may use the same set ef dies on several similar presses, or he' may'ordera set of additional dies for any press and readily mount these dies himself onv the press.
Referring to the drawings, I have shown in Fig. l aportion of a carton blanking presswhich includes a fixed platen 28 carrying a male'die M having a base 29 and a reciprocatory platen 3U carryingI the female die F, this die comprising a counterpla-te 3|' and a base plate 32. The webW of carton `stock is fed in between the dies- M and F, and then the palten 30': is raised to press the web: between the diesto form the'cuts and creases. for the-carton blank.
The dies M and F are removably mounted 'ony andf clamped to their respective platens in knownv manner. As indicated in Fig. 1, the bases of: each. of the. dies has a bevell'ed edge 323i thatalouts'A a .bevelled rail 34'` on the platen against whichitis. tightly wedged byv wedge bolts 35' engaging the opposite bevelled edge 36 of the base plate. Each die is also held against movement in the opposite direction on its plate by any suitable lock as the locking lever 31 pivotally mounted on the platen and engageable with a pin 38 on the handle 39 of the die.
As a step in the method, a chase for the male die M is formed as shown, for example, in Fig. 2,
this chase including the base 29 which is recessed to receive the male spacers 49 which include the strips and blocks that are held to the base plate by screws 4| and are accurately located by temporary rules 42 lling these spaces -which the creasing and cutting rules will occupy in the finished die, and a recess 43 is formed in one of the strips.
A jig J including a flat plate 44, and accurately located bushed holes 45, and bevelled locator pins 46 alined therewith and a third locator pin 41 is then placed over the chase so that the bevelled locator pins 46 abut the bevelled edge 36 of the base 29 and the pin 41 is disposed in the recess 43 to abut the side of the large block receiving recess formed in the base 29, which side is at right angles to the edge 33 as shown in Figs. 3 and 5. The parts thus superimposed are held together while holes 48 are drilled in the frame 29 using the bushed holes 4'5 as guides for the drill, see Fig. 4. Locator pins 49 are then mounted in the drilled holes so that the die M now has two points of alinement which are parallel to the bevelled edge 33 that will abut the fixed rail 34 in the press.
The jig J is then taken and superimposed on a at hardened metal plate, forming the counterplate 3|, but the bevelled locator pins 46 are replaced by flat sided locator pins 46a. which abut one side edge of the plate while the pin 41 of the jig abuts the side of the plate at right angles thereto as shown in Figs. 7 and 8, and with these parts firmly held together locator holes 59 are then drilled in the plate using the bushed holes 45 of the jig as drill guides. At the same time a series of small holes are drilled in the plate using the small holes 52 in the jig as guides.
After some of the temporary rules 42 are removed from the die M and replaced by creasing rules 53, as indicated in Fig. 11, the drilled counterplate 3| has one of its sides coated with a suitable transfer ink or paint and is then superimposed upon the male die M as shown in Figs. and 1l and accurately located relative theren to by mounting the upper portions of the pins 49, then in the die M in the locator holes 59 in the counterplate, so that when the coated side of the plate 3| is brought down into contact with the upper edges of the creasing rules 53, these rules will :make an impression or marks on this side of the plate 3| as shown in Fig. 12 which may be used as a guide pattern or patterns P for forming the relief grooves 54 for these rules in the plate 3 I. The plate 3| is then removed from the die M and the grooves 54 are, where the plate is of metal, milled in it to conform to the pattern transferred to it from the male die M.
With each machine furnished the user, the manufacturer supplies the counterbase plate 32 which has two locator counterbored holes 55 formed therein at opposite corner portions (see Figs. and 2l). The position of these holes 55 on the plate 32 is different for each machine furnished the user so that for one machine the holes 55 will be located as shown in full in Fig. 20 and for another machine these holes will be located as indicated in dotted lines in this figure. Temporary bushings 56 are :mounted in the holes 55, and these after drilling the counterplate 3| as hereinafter described are replaced by shouldered locating pins 51 that fit the counterbored holes 55.
The accurately located counterplate 3| and the finished die M is also furnished by the manufacturer, an example of which is shown in Fig. 15 which in addition to the creasing rules 53 includes the cutting rules 58. As shipped, the die M may be supplied with pads '59 of cork or other suitable ller material, and similar material may be removably mounted as strips 69 adjacent the cutting rules 58.
The nal installation of the die parts noted above as furnished by the manufacturer is done by the user. The pad portions 59 are covered with pieces of exible material 6| coated on both sides with adhesive and indicated in Fig. 16. The nished counterplate 3| is laid over the top of the die M in contact with the exposed sticky side of the material 6| and with the pins 49 projecting through the locator holes 59, and the male die with the attached counterplate 3| is then clamped in the upper fixed platen 28 of the press, and the base plate 32 furnished with the machine, after having a sheet 62 of adhesive material applied to its top face, is mounted in the movable platen 39 of the machine as shown in Fig. 18. Then the platen 30 is raised to bring the adhesively coated base plate 32 into contact with the bottom face of the plate 3| and then lowered carrying the plate 3| with it as shown in Fig. 19 since its adhesive coated area is greater than that used to initially hold the counterplate 3| to the die M. The adhesively united plates 3| and 32 are then removed from the press and the base plate 32 turned bottom side up as shown in Fig. 20. Using the bushed holes 55 as guides, holes 63 are then drilled in the counterplate 3| as indicated in Fig. 21 and then the bushings 56 are removed and replaced by the locating pins 51 as shown in Fig. 22. The counterplate 3| lwhich by the manufacturer has already been accurately located relative to the die M by the pins 49and holes 59 and been accurately located relative to this` die in the press by the user as shown in Fig. 18 and transferred to the base plate 32 as above described while in the press is now accurately located on the base plate 32 by the pins 51. The adhesive sheet 62 is then stripped from the plates 3| and 32, and using the pins 51 as locators the plates are brought together and using the holes 5| drilled in the plate 3| as guides, holes 54 are drilled in the base plate 32 (see Figs. 23 and 24). The holes 5| in the plate 3| are then countersunk, and the holes G4 in the plate 32 are tapped to receive the at head screws 55 as shown in Fig. 25. The pins 49 and adhesive 6| are removed from the die M, and the dies are now completely ready for use in the press.
If the press owner wants to use the dies on another similar machine, all he has to do is to remove the counterplate 3| from the base plate 32 of the rst machine and following the procedure above described place the die M and the counterplate 3| on the second machine and relocate the counterplate 3| on the base plate 32 of that machine by drilling a new set of locator holes 63 in the counterplate. Thus one set of dies may be used on several different machines and have as many sets of locator holes 63 in it as there are base plates 32 for these machines, it
being noted that in using this same counterplate on several base plates 32 the tapped holes 64 in the base plates need not line up closely with countersunk holes El of the counterplate since the screws- 95 are not for alinement purposes but merely to hold the plate 3l to their associated base plate 32. Fig. 26 shows a plan View of a counterplate as adapted for use on a plurality of machines.
It is also to be noted that since the machine owner does the nal installation of the counterplate on its associated base plate, that the owner may order a set of new dies for any of his machines, and these dies comprising the male die M and the matching counterplate 3l can be supplied to him by the manufacturer without the manufacturer requiring the use of the press as a proofing press.
It will be noted from the foregoing description that the essential features of the method consist in making a male die and counterplate with alining means so that these dies can be accurately located together while on the press, then transferring the so located counterplate to the top of its base plate while in the press, then using the base plate as a jig for drilling locator holes in the counterplate so that locator pins mounted in the jig holes of the base plate and projecting into the locator holes in the counterplate will maintain the alined association of this counterplate with the male die when the dies are used in the press.
What I claim as my invention is:
1. The method of making a set of dies for a blanking press which comprises making up the chase for a male die having an edge adapted to abut a rail on the platen of the press, using this edge and a point at right angles thereto as locators and applying a jig having locator holes to the chase and drilling locator holes in the chase, placing temporary locator pins in these holes, taking this same jig and alining it with an edge of a counterplate and using the same locator holes in the jig as guides drilling locator holes in the counterplate, coating one side of the counterplate with a transfer medium and superimposing this coated plate upon the chase having its creasing rules mounted therein While its locator holes are alined with temporary locator pins to secure an impression of the pattern of the rules on the plate, removing portions of the plate defined by said pattern to provide creasing recesses,
mounting the cutting rules in the male die to finish the die then adhesively uniting the male die with the counterplate in pinned alined relation thereto and mounting the male die on one of the press platens and taking a, base plate for the counterplate and mounting it in the other platen of the press, said base plate having an adhesive coating of greater area than that adhesively uniting the counterplate to the male die, moving the press platens relative to each other to bring the base plate into adhesive contact with the counterplate on the die and then moving the platens relative to each other to transfer the counterplate to the base plate, removing the base plate with the counterplate adhesively attached thereto from the press, establishing fixed points of alinement between said counterplate and said base plate, and securing said counterplate to said base plate in its alined relation therewith.
2. The steps in the method of making a set of dies for a blanking press which comprise adhesively uniting the male die with its cooperative counterplate in pinned alined relation thereto and mounting the attached die on one of the press platens, taking a base plate for the counterplate and mounting it in the other platen of the press, said base plate having an adhesive coating of greater area than that a-:lliesively uniting the counterplate to the male die, moving the press platens relative to each other to bring the base plate into adhesive contact with the counterplate on the die and then moving the platens relative to each other to transfer the counterplate to the base plate, removing the base plate with the counterplate adhesively attached thereto from the press, establishing iixed points of alinement between said counterplate and said base plate, and securing said counterplate to said base plate in its alined relation therewith.
References Cited in the le of this patent UNITED STATES PATENTS Number Name Date 2,348,086 Miller May 2, 1944 2,380,485 Wales July 31, 1945 2,395,082 Wilson Feb. 19, 1946 2,395,083 Wilson Feb. 19, 1946 2,410,372 Wales Oct. 29, 1946 2,555,313 Bowman June 5, 1951 2,623,413 Moore Dec. 30, 1952
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1134880B (en) * 1961-05-24 1962-08-16 Floseal Corp Tool for punching and creasing blanks for folding boxes
US3109328A (en) * 1959-02-06 1963-11-05 Constance R Giese Paperboard carton blanking dies and method of making same
US3847036A (en) * 1973-10-10 1974-11-12 Centenary Central Method of producing cutting plates for die cutting operations
FR2534522A1 (en) * 1982-10-14 1984-04-20 Meurer Nonfood Product Gmbh Device for working on sheets, in particular cardboard sheets for the production of folding boxes
US20070163413A1 (en) * 2006-01-18 2007-07-19 John Salusbury Steel rule die and metal sectional counter

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2348086A (en) * 1941-12-01 1944-05-02 Miller Engineering Corp Method of making patterns
US2380485A (en) * 1943-03-18 1945-07-31 George F Wales Apparatus for perforating sheet material
US2395082A (en) * 1942-12-24 1946-02-19 Wilson Wesley Convertible mounting means for punch and die tools
US2395083A (en) * 1943-08-30 1946-02-19 Wilson Wesley Press
US2410372A (en) * 1944-12-18 1946-10-29 George F Wales Method of and apparatus for punching by transfer means
US2555313A (en) * 1948-05-05 1951-06-05 Henry V Bowman Diemaking machine
US2623413A (en) * 1947-12-31 1952-12-30 Moore Special Tool Co Inc Machine for assembling and trying out dies

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2348086A (en) * 1941-12-01 1944-05-02 Miller Engineering Corp Method of making patterns
US2395082A (en) * 1942-12-24 1946-02-19 Wilson Wesley Convertible mounting means for punch and die tools
US2380485A (en) * 1943-03-18 1945-07-31 George F Wales Apparatus for perforating sheet material
US2395083A (en) * 1943-08-30 1946-02-19 Wilson Wesley Press
US2410372A (en) * 1944-12-18 1946-10-29 George F Wales Method of and apparatus for punching by transfer means
US2623413A (en) * 1947-12-31 1952-12-30 Moore Special Tool Co Inc Machine for assembling and trying out dies
US2555313A (en) * 1948-05-05 1951-06-05 Henry V Bowman Diemaking machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3109328A (en) * 1959-02-06 1963-11-05 Constance R Giese Paperboard carton blanking dies and method of making same
DE1134880B (en) * 1961-05-24 1962-08-16 Floseal Corp Tool for punching and creasing blanks for folding boxes
US3847036A (en) * 1973-10-10 1974-11-12 Centenary Central Method of producing cutting plates for die cutting operations
FR2534522A1 (en) * 1982-10-14 1984-04-20 Meurer Nonfood Product Gmbh Device for working on sheets, in particular cardboard sheets for the production of folding boxes
US20070163413A1 (en) * 2006-01-18 2007-07-19 John Salusbury Steel rule die and metal sectional counter

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