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WO1979001139A1 - Tete de travail d'une machine-passe-partout - Google Patents

Tete de travail d'une machine-passe-partout Download PDF

Info

Publication number
WO1979001139A1
WO1979001139A1 PCT/SE1979/000120 SE7900120W WO7901139A1 WO 1979001139 A1 WO1979001139 A1 WO 1979001139A1 SE 7900120 W SE7900120 W SE 7900120W WO 7901139 A1 WO7901139 A1 WO 7901139A1
Authority
WO
WIPO (PCT)
Prior art keywords
working head
rotatable
head according
rotated
holder
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.)
Ceased
Application number
PCT/SE1979/000120
Other languages
English (en)
Inventor
H Weil
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO1979001139A1 publication Critical patent/WO1979001139A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/3853—Cutting-out; Stamping-out cutting out frames

Definitions

  • the present invention relates to a working head in an apparatus for providing rectangular cuttings in and/or impressions on a plain material. Especially the invention relates to a cutting head for a passpartout-machine having a holder for a knife and/or an impression roller which can be raised,” rotated and lowered.
  • the US-patent 3 967519 describes an apparatus for cutting passespartouts and similar means comprising a knife holder and a rotatable knife blade which can be moved along a groove on a substrate. With the knife in lowered position one side is first cut out and thereafter the knife must be raised and rotated and thereafter lowered for each corner, what is made manually by different movements by the hand.
  • the working head according to the invention is characterized in that the holder for the knife and/or the impression roller is connected to a rotatable housing for being raised and lowered respectively, and a pressure roller which is intended to contact the material during the working is connected to the rotatable housing to be raised and loweredo
  • the rotatable housing is fixed connected to a central shaft at the upper part of which a Maltese cross is connected and the said centr ⁇ l shaft can be rotated intermittently by engagement by a pin cam disc on a driving shaft of the Maltese cross so that the central shaft is rotated one forth of a turn when the driving shaft is rotated one turn.
  • a cutting head according to the invention may preferably be used together with a passpartout-machine of the type which is described in the German Patent 26 52 531.5 and which is further illustrated in the following. Thereby it is possible to quite automatically cut a complete passpartout whereby the cutting head is raised, rotated and lowered at each corner and is moved between the corners during the cutting.
  • the working head according to the invention also can be used for providing an impression or a pattern on a pas- wearing or any other plain object.
  • a knife and an impression roller may be connected to the holder, whereby the impression roller can be brought to roll on until the corner impression is full filled when the knife has reached the corner and stopped.
  • ⁇ lERN is ⁇ vertical cross section through a working head according to the invention
  • Figures 2-5 show different details of the cutting head according to figure 1
  • figure 6 is a diagramatic perspective view of a passpartout-machine having a cutting head according to figure 1.
  • the cutting head according to figure 1 has a driving shaft 1 and a central s aft 2 which are mounted in a body 3 which is fixed connected to a surrounding cap 4, a rotatable housing 5 which is fixed connected to the lower part of,the central shaft, and a knife 6 and a pressure roller 7 which are m ⁇ vably connected to the rotatable housing 5 so that they can be raised and lower respectively in relation to the cutting head.
  • the driving shaft 1 is mounted both in the body 3 and in the top of the cap 4 and the upper part of the driving shaft which extends out through the cap is connected to an angle cog wheel 8 for connection of the cutting head to a motor for driving the mechanism of the cutting head for rotating, raising and lowering same respectively.
  • On the driving shaft there is a cam disc 9 having a pin 10 in a ball bearing provided in the space between the top of the cap and the body. The appearence of said cam disc and the pin are evident from figure 2. Underneath the body the lower part of the driving shaft is connected to a cog wheel 11.
  • a cog wheel 12 is mounted which with a lower portion is connected to a lift cam curve 13.
  • the cog wheel 11 on the driving shaft 1 engages the said cog wheel 12 and thereby drives the lifter curve 13 which is shown in figure 3.
  • the upper end of the central shaft 2 is connected to a Maltese cross 14 in the grooves 15 of which the pin 10 of the cam disc 9 of the driving shaft 1 engages and pro ⁇ vides a rotation.
  • a Maltese cross 14 on the Maltese cross 14 as shown in figure 4, there are also recesses 16 making it possible to lock the Maltese cross.
  • the rotatable housing 5 which is shown in a cross section of a plan in front of the central shaft 2 in figure 1 comprises a vertical space 17 for a first pressure spring and an obliquely extending space 19 for a second pressure spring 20 anda cylindrical sleeve 21.Around the lower ver ⁇ tical part of the rotatable housing 5 a slide 22 is movably mounted and also a rotatable bracket 25 is rotatably mounted on the housing 5. As evident from figure 5 the upper part of the slide 22 has a pin 23 and a projecting bracket 24 contacting the first pressure spring 18.
  • the pressure roller 7 is connected to the lower part of the slide 22 and it is intended to keep the material to be cut during the cutting.
  • the rotatable bracket 25 which is rotatable in relation to the rotatable housing 5 is in the upper end thereof connected to a roller 26 for guiding the rotation.
  • a roller 26 At the lower end of the bracket 25 there is a recess for a pin 28 the opposite end of which contacts the second pressure spring 20 in the rotatable housing over a pressure bushing 29.
  • the roller 26 By the actuation of the said pressure spring 20 the roller 26 is brought into contact with the lifter curve 13.
  • On the rotatable bracket 25 there is also an arm 27 which is formed so as to contact the pin 23 of the slide 22 from underneath, so that the slide 22 can be lowered and raised respectively as the bracket rotates.
  • a cylindrical sleeve 21 is movably mounted in the obliquely extending space 19 of the rotatable housing 5 .
  • the lower part of the sleeve 21 is fixed connected to a ver- tical holder 30 for the knife blade 6 and an ajustable mounting plate 31 therefore.
  • the second pressure spring 20 is enclosed in the said cylindrical sleeve 21 and provides over the pressure bushing 29 a pressure to the pin 28 which is mounted in the rotatable bracket 25.
  • An inner bulge of the cylinder wall provides a stop for the pressjure spring 20 to keep the said spring in the cylind-
  • the knife blade 6 which is screw mounted in the ad ⁇ justable mounting plate 31 can be adjusted to any suitable position by means of the mounting plate.
  • the mounting plate is provided so that the knife blade gets an inclination to the surface of the material of about 45 .
  • the cutting depth can be controlled by a control screw 32 which in an inner screw position reduces the movement of the rotatable bracket 25 and thereby the lower most position for the knife 6.
  • a catch 33 having a locking wedge 34 which engages one of the recesses 16 of the Maltese cross 14 thereby locking the Maltese cross after having rotated one forth of a turn.
  • the catch 33 is slidably connected to an upper horizontal guide shaft 35 and it is forced towards the Maltese cross by a pressure spring 36 the opposite end of which contacts the cap 4.
  • the ring 37 contacts the ridge of the cam disc 9. At the said contact the catch 33 is pressed back and the locking wedge 34 leaves the recess 16 of the Maltese cross making a rotation thereof possible.
  • the motor driving the cutting head is engaged for instance by optical sensing. Thereby the knife and the pressure roller are lifted whereupon they are rotated 90 , and finally they are lowered whereupon the motor is disconnec- ted.
  • the said lifting,rotation and lowering is provided as follows: When the knife 6 and the pressure roller 7 are in their down positions as they are during the cutting operation the Maltese cross 14 is fixed in a position by the actuation of the locking wedge 34 which has entered one of the recesses 16 of the Maltese cross. Thereby the circular
  • the driving shaft is rotated one turn at each corner, and since the Maltese cross is rotated one forth of a turn in the opposite direction during the said turn of the driving shaft the lifter curve must be changed in a relationship between the cog wheel of the driving shaft and the cog wheel connected to the lifter curve of 1,25:1,00 in order to be rotated one turn.
  • Figure 6 shows a passpartout-machine having the above described cutting head as illustrated in figures 1-5.
  • the machine comprises a table 43 on which a glass plate 44 is provided and against which the original picture which is placed on 45 can be pressed from underneath.
  • a glass plate 44 On the glass
  • pl ⁇ te 44 there are two angle bars 46 and 47.
  • the angle bar 46 is fixed mounted whereas the angle bar 47 is movable in relation to the bar 46 so that the size of the opening pro ⁇ vided by the combination of the two bars can be varied.
  • a cutting apparatus At the side of the glass plate 44 a cutting apparatus
  • a movable cutting head 40 mounted on the telescopic arm 50 moves so that the knife 41 provided in the cutting head 40 cuts an opening in a cardboard plate 52.
  • the size of the opening of the cardboard plate 52 corresponds to the size of the open ⁇ ing formed by the two angle bars 46 and 47.
  • the cutting head 40 When cutting opening sides which are parallell to the longitudinal direction of the table 43 the cutting head 40 is moved along the arm 50 and when cutting the opening sides which are parallell to the short sides of the table 43 the cutting head 40 together with the arm 50 is moved along grooves 53 and 54 of the table 43.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Control Of Cutting Processes (AREA)

Abstract

Une tete de travail pour une machine-passe-partout permet d'effectuer des coupages et/ou impressions rectangulaires dans un materiau plat et comprend un couteau (6) sur un rouleau a imprimer monte dans un support (30) connecte a un corps rotatif (5) pour le lever et l'abaisser. Un rouleau presseur (7), concu pour etre en contact avec le materiau plat, est aussi connecte au corps rotatif (5) pour le lever et l'abaisser. Le corps rotatif (5) est fixe a un axe central (2) a l'extremite superieure duquel est montee une croix de Malte (14) et qui, par engagement d'un disque a came (9) ayant un ergot (10) et monte sur un arbre d'entrainement (1) pour la croix de Malte (14) puisse tourner avec intermittence, de sorte que l'arbre central (2) tourne d'un quart de tour lorsque l'arbre d'entrainement (1) effectue un tour complet. La croix de Malte (14) possede des evidements (16) pour une clavette de verrouillage mobile (34) qui verrouille l'arbre central (2) apres la rotation. La clavette de verrouillage (34) fait partie d'un dispositif d'arret (33) fait de plusieurs pieces.
PCT/SE1979/000120 1978-05-29 1979-05-25 Tete de travail d'une machine-passe-partout Ceased WO1979001139A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782823322 DE2823322A1 (de) 1978-05-29 1978-05-29 Bearbeitungskopf einer passepartoutmaschine
DE2823322 1978-05-29

Publications (1)

Publication Number Publication Date
WO1979001139A1 true WO1979001139A1 (fr) 1979-12-27

Family

ID=6040414

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1979/000120 Ceased WO1979001139A1 (fr) 1978-05-29 1979-05-25 Tete de travail d'une machine-passe-partout

Country Status (4)

Country Link
EP (1) EP0029025A1 (fr)
DE (1) DE2823322A1 (fr)
SE (1) SE7900913L (fr)
WO (1) WO1979001139A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2610238A1 (fr) * 1987-02-04 1988-08-05 Sa Soc Procede de decoupe de fenetres ebiselees dans des materiaux en plaques et machine permettant de mettre en oeuvre un tel procede

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6178860B1 (en) * 1998-09-10 2001-01-30 The Fletcher-Terry Company Matcutter with clamping system and cutting head

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1561740A1 (de) * 1966-02-28 1970-05-21 Wallenius Tuomo Jaakko Vorrichtung zum Schneiden von Papier
US3967519A (en) * 1974-07-16 1976-07-06 Esterly Harry F Multi directional web cutter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1561740A1 (de) * 1966-02-28 1970-05-21 Wallenius Tuomo Jaakko Vorrichtung zum Schneiden von Papier
US3967519A (en) * 1974-07-16 1976-07-06 Esterly Harry F Multi directional web cutter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2610238A1 (fr) * 1987-02-04 1988-08-05 Sa Soc Procede de decoupe de fenetres ebiselees dans des materiaux en plaques et machine permettant de mettre en oeuvre un tel procede

Also Published As

Publication number Publication date
SE7900913L (sv) 1979-11-30
EP0029025A1 (fr) 1981-05-27
DE2823322A1 (de) 1979-12-06

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Designated state(s): FR