EP0503166A1 - Vorrichtung zum Beschreiben, Schneiden und Stanzen von Bahnmaterial - Google Patents

Vorrichtung zum Beschreiben, Schneiden und Stanzen von Bahnmaterial Download PDF

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Publication number
EP0503166A1
EP0503166A1 EP91200551A EP91200551A EP0503166A1 EP 0503166 A1 EP0503166 A1 EP 0503166A1 EP 91200551 A EP91200551 A EP 91200551A EP 91200551 A EP91200551 A EP 91200551A EP 0503166 A1 EP0503166 A1 EP 0503166A1
Authority
EP
European Patent Office
Prior art keywords
cutting
punching
sheet material
rollers
tool
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.)
Granted
Application number
EP91200551A
Other languages
English (en)
French (fr)
Other versions
EP0503166B1 (de
Inventor
William Van Loenhout
Gerard Verdonck
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.)
Summagraphics NV
Original Assignee
Summagraphics NV
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 Summagraphics NV filed Critical Summagraphics NV
Priority to DE1991602058 priority Critical patent/DE69102058T2/de
Priority to EP19910200551 priority patent/EP0503166B1/de
Priority to CA 2062648 priority patent/CA2062648A1/en
Priority to JP8754192A priority patent/JPH0647698A/ja
Publication of EP0503166A1 publication Critical patent/EP0503166A1/de
Application granted granted Critical
Publication of EP0503166B1 publication Critical patent/EP0503166B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B26F1/3806—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface
    • 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
    • B26F2001/3893—Cutting-out; Stamping-out cutting out by using an oscillating needle

Definitions

  • the invention relates to an apparatus for plotting, cutting and/or punching the contour of figures on and into respectively, sheet material which may be laminated provided with a traction- and/or friction feed for moving the sheet material to and fro in accordance with a first component of a plotting, cutting or punching direction, a tool head movable in a direction perpendicular to the direction of said traction and/or friction feed and parallel to the surface to be cut in accordance with a second component of said plotting, cutting or punching direction said tool head being provided with a housing which can be moved in a direction at least virtually perpendicular to the surface of said sheet material and with which a servo-controlled motor is connected controlling the position of a bush rotatable arranged in said housing provided with either a plotting, cutting or punching tool, means for moving the housing towards the sheet material to be cut or punched and means for positioning the cutting or punching tool such that the cutting or punching direction coincides with the tangent of the contour to be cut.
  • Such apparatus are known in which the knife cuts the top layer of the laminate by means of a more or less constant force.
  • the invention is characterized in that two rollers are arranged at the side of the bush facing the sheet material and slightly extend therefrom to roll over said sheet material during cutting and punching respectively, said cutting and/or punching tool being arranged between said two rollers, its cutting or punching direction equalling the rolling direction of said rollers and extending therefrom over a distance corresponding to the desired cutting or punching depth the tool top being situated on the axis of rotation of the bush.
  • the advantage is that by moving the housing towards the sheet material the knife or punch penetrates the sheet material until the rollers touch said material, thereby limiting the cutting depth to the desired value and keeping it constant irrespective of the nature of the surface of the material, variation of its thickness and tolerances of the parallelism of the guide system of the tool head and the supporting member of the sheet material. Moreover the friction between the toolhead and the sheet material is minimized by the use of rollers.
  • rollers are part of a nose-piece which is detachably fixed in the bush.
  • rollers are symmetrically mounted each on one arm said arms pivoting in a plan through the axes of the rollers and the nose-piece at equal distance from the face of the nose-piece and its axis of rotation said arms being pressed towards one another by spring action.
  • a micrometer adjustment is present on the side of the bush remote from the nose-piece to accurately adjust the cutting or punching depth by pressing the tool which is slidably arranged in the bush against spring action into the desired position.
  • the material has to be moved to and fro while cutting the desired contours and it is absolutely necessary that no slip or deformation takes place.
  • rollers the surface of which are roughened by fixing hard grains thereon but it is difficult to obtain the uniformity of thickness and roughness required
  • cross-hatched knurling tools to impress a cross-wise pattern in the roller surface but it is very difficult to obtain a pattern in which the tops are of uniform height and sufficiently sharp especially in somewhat harder materials.
  • the rollers of the friction feed are relatively short and drive the sheet material mainly at its edges whereas cross hatched knurls on the roller surface are obtained by means of a tipped chisol and simultaneously rotating the roller and shifting the chisol such that helical grooves are obtained with a helix angle or preferably 45° choosing the depth and the number of grooves such that the top of each resulting pyramide is sharp.
  • the bearings can be arranged at a shorter distance from one another so that the rigidity is enormously increased and the tops of the pyrimide are sharper and have a better grip on the sheet material.
  • a servo-controlled motor 9 which controls the position of a bush 10 which is rotatable in the housing 7 and is provided with a cutter knife or punch 11.
  • the bush 10, so the cutter knife 11, is positioned by the motor 9 such that its direction of cutting always coincides with the tangent of the contour to be cut.
  • the motor 9 drives the bush 10 by means of a toothed belt 12 but it is equally possible to drive the bush 10 directly.
  • the motion can be of any servo-controlled type e.g. a step-motion.
  • the housing 7 For cutting the housing 7 is moved towards the sheet material 4 by means of a solenoid 13 against the action of a spring (not shown). It will be clear that other moving means like f.e. compressed air can also be used.
  • a nose-piece 14 is attached as shown in Fig. 3 provided with two rollers 15 which may be of the ball bearing type and slightly extend therefrom to roll over the sheet material 4 during cutting and/or punching whereas the cutting knife 11 is arranged between the two rollers 15 and extend there beyond over a distance equal to the desired cutting depth.
  • the cutting direction or the knife 11 coincides with the rolling direction of the rollers 15.
  • the cutting knife 11 By moving the housing 7 towards the sheet material 4 the cutting knife 11 pierces said material 4 until the rollers 15 touch the surface of the material and the desired cutting depth is obtained and remains always the same during cutting irrespective of the nature of the surface of the material, variation of its thickness and tolerances in the parallelism of the guide system 3 with respect to the supporting member of the sheet material which here consists of a rubber coated rod 16.
  • Said nose-piece 14 is detachably fixed on the bush 10 so that the nose-piece 14 can easily be changed and the rollers cleaned.
  • FIG. 1 Another type of nose-piece 17 is shown in figures 1 and 2.
  • the rollers 18 are symmetrically mounted, each on one arm 19 which pivots in a plane through the axes of the rollers 18 and the nose-piece 17 at some distance from the face of the nose piece 17 whereas said arms 19 are pressed towards one another by spring action. This may be obtained f.e. by a simple O-ring around the arms 19 in the notches 20.
  • a micrometer adjustment 22 is provided which presses the cutter knife 11 which is slidably arranged in the bush 10 against spring action into the desired position.
  • the fine adjustment is of utmost importance for precision cutting of signs and graphics for which laminated material may be used of which the top layer consists of vinyl film f.e. which is stuck to a backing layer. After cutting the vinyl layer along the desired contour of the sign or graphic, the top layer can easily be weeded from the backing layer.
  • friction-feed rollers 23 (not shown)are provided between which and pressure rollers the sheet material 4 is pinched.
  • those rollers 23 are provided at their surface with a cross-hatched knurl 24 by means of a tipped chisel (not shown) and simultaneously rotating the roller and shifting the chisel such that helical grooves 25 are obtained with a helix angle of 45° so that the helixed inter one another at an angle 26 of 90°.
  • the depth and the number of grooves are chosen such that the top of each resulting pyramid 27 is sharp so as to get a better and uniform grip on the sheet material 4
  • multiple tipped chisels in the form of a mill can be used on an appropriate machine.
  • rollers 23 are selectively shut and attached to a common shaft which may advantageously be supported in the vicinity of each roller 23.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Cutting Processes (AREA)
  • Details Of Cutting Devices (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
EP19910200551 1991-03-12 1991-03-12 Vorrichtung zum Beschreiben, Schneiden und Stanzen von Bahnmaterial Expired - Lifetime EP0503166B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE1991602058 DE69102058T2 (de) 1991-03-12 1991-03-12 Vorrichtung zum Beschreiben, Schneiden und Stanzen von Bahnmaterial.
EP19910200551 EP0503166B1 (de) 1991-03-12 1991-03-12 Vorrichtung zum Beschreiben, Schneiden und Stanzen von Bahnmaterial
CA 2062648 CA2062648A1 (en) 1991-03-12 1992-03-11 Apparatus for plotting, cutting and/or punching sheet material
JP8754192A JPH0647698A (ja) 1991-03-12 1992-03-12 シート材をプロット、切断そして／又はパンチングする装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19910200551 EP0503166B1 (de) 1991-03-12 1991-03-12 Vorrichtung zum Beschreiben, Schneiden und Stanzen von Bahnmaterial

Publications (2)

Publication Number Publication Date
EP0503166A1 true EP0503166A1 (de) 1992-09-16
EP0503166B1 EP0503166B1 (de) 1994-05-18

Family

ID=8207551

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910200551 Expired - Lifetime EP0503166B1 (de) 1991-03-12 1991-03-12 Vorrichtung zum Beschreiben, Schneiden und Stanzen von Bahnmaterial

Country Status (4)

Country Link
EP (1) EP0503166B1 (de)
JP (1) JPH0647698A (de)
CA (1) CA2062648A1 (de)
DE (1) DE69102058T2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111730656A (zh) * 2020-07-02 2020-10-02 许振亮 一种具有定位功能的裁剪工具
CN113696269A (zh) * 2021-07-16 2021-11-26 东莞市陆陆兴工业自动化科技有限公司 一种新型裁断机

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08323693A (ja) * 1995-05-25 1996-12-10 Mitsubishi Cable Ind Ltd 軟質管体の切断台
JP2014108464A (ja) * 2012-11-30 2014-06-12 Brother Ind Ltd カッタカートリッジ及び切断装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1897534A (en) * 1931-03-20 1933-02-14 Electric Smelting & Aluminum C Cutting apparatus
US2018503A (en) * 1935-02-14 1935-10-22 Shovlowsky Justyn Adjustable garment edge cutter and grader
US3097430A (en) * 1961-07-03 1963-07-16 Willcox & Gibbs Sewing Machine Cutter
DE2006283A1 (de) * 1970-02-12 1971-08-19 Licentia Patent Verwaltungs GmbH, 6000 Frankfurt Tuschefuller
US3710445A (en) * 1971-02-12 1973-01-16 H Roth A cutter device with illuminated cutting blade
FR2525140A1 (fr) * 1982-04-15 1983-10-21 Gerber Garment Technology Inc Procede de preparation d'une piece de patron
DE3218564A1 (de) * 1982-05-17 1983-11-24 Atlas Handelskontor GmbH, 7421 Mehrstetten Vorrichtung zum handgesteuerten zuschneiden

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1897534A (en) * 1931-03-20 1933-02-14 Electric Smelting & Aluminum C Cutting apparatus
US2018503A (en) * 1935-02-14 1935-10-22 Shovlowsky Justyn Adjustable garment edge cutter and grader
US3097430A (en) * 1961-07-03 1963-07-16 Willcox & Gibbs Sewing Machine Cutter
DE2006283A1 (de) * 1970-02-12 1971-08-19 Licentia Patent Verwaltungs GmbH, 6000 Frankfurt Tuschefuller
US3710445A (en) * 1971-02-12 1973-01-16 H Roth A cutter device with illuminated cutting blade
FR2525140A1 (fr) * 1982-04-15 1983-10-21 Gerber Garment Technology Inc Procede de preparation d'une piece de patron
DE3218564A1 (de) * 1982-05-17 1983-11-24 Atlas Handelskontor GmbH, 7421 Mehrstetten Vorrichtung zum handgesteuerten zuschneiden

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111730656A (zh) * 2020-07-02 2020-10-02 许振亮 一种具有定位功能的裁剪工具
CN113696269A (zh) * 2021-07-16 2021-11-26 东莞市陆陆兴工业自动化科技有限公司 一种新型裁断机

Also Published As

Publication number Publication date
JPH0647698A (ja) 1994-02-22
EP0503166B1 (de) 1994-05-18
CA2062648A1 (en) 1992-09-13
DE69102058T2 (de) 1994-10-06
DE69102058D1 (de) 1994-06-23

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