EP2977197A1 - Appareil et procédé de commande de matrice de gaufrage - Google Patents

Appareil et procédé de commande de matrice de gaufrage Download PDF

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Publication number
EP2977197A1
EP2977197A1 EP14178269.8A EP14178269A EP2977197A1 EP 2977197 A1 EP2977197 A1 EP 2977197A1 EP 14178269 A EP14178269 A EP 14178269A EP 2977197 A1 EP2977197 A1 EP 2977197A1
Authority
EP
European Patent Office
Prior art keywords
carrier plate
elongated opening
rod
base element
rotatable guide
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
EP14178269.8A
Other languages
German (de)
English (en)
Other versions
EP2977197B1 (fr
Inventor
Savo Pavsic
Branko Kosir
Simon Znidar
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.)
Egp Embalazno Graficno Podjetje DD
Original Assignee
Egp Embalazno Graficno Podjetje DD
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 Egp Embalazno Graficno Podjetje DD filed Critical Egp Embalazno Graficno Podjetje DD
Priority to SI201430575T priority Critical patent/SI2977197T1/en
Priority to PL14178269T priority patent/PL2977197T3/pl
Priority to EP14178269.8A priority patent/EP2977197B1/fr
Priority to PCT/EP2015/067020 priority patent/WO2016012598A1/fr
Publication of EP2977197A1 publication Critical patent/EP2977197A1/fr
Application granted granted Critical
Publication of EP2977197B1 publication Critical patent/EP2977197B1/fr
Priority to HRP20180106TT priority patent/HRP20180106T1/hr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
    • 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
    • B26F1/44—Cutters therefor; Dies therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
    • B44B5/02—Dies; Accessories
    • 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
    • B26F1/44—Cutters therefor; Dies therefor
    • B26F2001/4418—Cutters therefor; Dies therefor combining cutting and embossing operations
    • 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
    • B31B50/88—Printing; Embossing
    • 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
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0702—Embossing by tools working discontinuously

Definitions

  • the present invention relates to an apparatus and a method for embossing control and, in particular, to a controlling of a position of a matrix in preparation of an embossing process.
  • embossing process blind print
  • individual segments of, for example, cardboard surfaces solid or corrugated
  • This process is also known as landscaping and a matrix (feminine part) and a patrix (masculine part) are used to shape the surface of the exemplary cardboards during a compression process of the matrix and patrix relative to each other.
  • the surface structure formed on the matrix and inversely in the patrix is embossed on the surface of the exemplary cardboard.
  • the matrix is attached to a carrier tool to allow a correct horizontal placement to a specified position.
  • the carrier tool may be independent or may comprise a steel rule die.
  • the matrix may be controlled manually or with specific devices, to calibrate the matrix position within a desired range. In conventional methods the specific devices are needed to achieve a calibration within the micrometer range.
  • templates with a picture to be embossed may be used to define the horizontal position of the matrix.
  • DE 20303948 U1 discloses a further conventional matrix control, wherein a positioning of a matrix relative to a base plate is achieved by particular positioning means.
  • the positioning means are formed as adjustable protrusions attached to the matrix and received by recesses in the base plate. After having fixed the position of the adjustable protrusions, the position of the matrix relative to the base plate cannot be modified.
  • the positioning of the matrix relative to the base plate can only be achieved when the matrix is dismantle or separated from the base plate and the protrusions are moved accordingly.
  • the present invention relates to an apparatus and a method for controlling a position of a matrix in preparation of an embossing process according to claims 1 and 15.
  • Claims 2 to 14 refer to specifically advantageous realizations of the subject-matter of claims 1 and 15.
  • An apparatus for controlling a position of a matrix in preparation of an embossing process comprises a base element comprising a main surface and a rotatable guide.
  • the rotatable guide comprises an eccentric portion protruding from the main surface, wherein the rotatable guide is rotatable about an axis perpendicular to the main surface.
  • the apparatus comprise further a carrier plate to be placed on the main surface and comprising an elongated opening to receive the eccentric portion.
  • the carrier plate is configured to hold and move the matrix in at least one direction of the main surface.
  • the elongated opening extends in a direction different from the at least one direction such that a rotation of the rotatable guide moves the carrier plate.
  • the elongated opening is a first elongated opening
  • the rotatable guide is a first rotatable guide
  • the eccentric portion is a first eccentric portion
  • the at least one direction is a first direction.
  • the base element may optionally comprise a second rotatable guide with a second eccentric portion.
  • the carrier plate may optionally comprise a second elongated opening, wherein the second elongated opening is configured to receive the second eccentric portion and may extend in a different direction than the first elongated opening such that rotation of second rotatable guide moves the carrier plate in a second direction being different from the first direction, thereby allowing independent adjustments in the first direction and/or in the second direction.
  • the base element may optionally comprise a third rotatable guide with a third eccentric portion.
  • the carrier plate may optionally comprise a third elongated opening, wherein the third elongated openings is configured to receive the third eccentric portion and extends in a further direction.
  • the direction of the first elongated opening and the further direction of the third elongated opening are parallel to each other (or span an angle of +/- 5°).
  • the first elongated opening may optionally be perpendicular to the different direction of the second elongated opening (or span an angle between 80 to 100°).
  • the second rotatable guide may optionally be arranged on a connection line connecting the first and third rotatable guides (e. g. between the first and third rotatable guide).
  • the apparatus may optionally comprise attachment means for attaching the carrier plate to the base element.
  • the attachment means may optionally be configured to allow movements of carrier plate relative to the base plate in the first direction and/or second direction and/or a rotation about a rotation axis and/or prevents movement in a third direction. Therefore, releasing the attachment means slightly, it becomes possible to shift the carrier plate along the lateral direction without detaching the carrier plate from the base element.
  • the attachment means may optionally comprise at least one bolt (or other fixation means as e.g. screws).
  • the carrier plate may optionally comprise at least one through-hole for the at least one bolt and the at least one through-hole may optionally comprise an inner diameter which is larger than an outer diameter of the at least one bolt to allow a clearance defining a range of movement of the carrier plate along the main surface of the base element.
  • the clearance may be selected such that the carrier plate can be moved in a predetermined range relative to the base element, thereby avoiding a dismantling during the process of position alignment.
  • the base element may optionally comprise an opening (cut-out portion).
  • the apparatus may optionally comprise a supporting block which is configured to be attached to an opposite surface of the carrier plate relative to the matrix.
  • the supporting block may optionally be configured to fit in the opening of the base plate while leaving a gap.
  • the support block may be suitable to provide support in the embossing process and to allow movement of the base plate in the at least one direction without the need to detach the supporting block. Also these features may ensure that a position adjustment of the carrier plate is possible without any dismantling, but only by releasing the attachment means.
  • the base element may optionally comprise at least one cylindrical recess for receiving the at least one rotatable guide.
  • the at least one rotatable guide may optionally comprise a rod-like structure with a first rod-like portion for fitting in the cylindrical recess of the base element and a second rod-like portion which may be configured to fit in the elongated opening.
  • the second rod-like position is in contact with the elongated opening on two opposite points, while still allowing a rotation of the second rod-like portion in the elongated opening (i.e. a clearance which is typically present in minimized).
  • the second rod-like portion may optionally have a smaller (or larger) diameter than the first rod-like portion, wherein axial axes of the first rod-like portion and the second rod-like portion are shifted such that the second rod-like portion is eccentric when compared to the first rod-like portion.
  • the second rod-like portion may thus be configured to perform a circular movement about the axial axis of the first rod-like portion.
  • the elongated opening may optionally be a through hole through the carrier plate, and the outer diameter of the first rod-like portion is larger than a smallest diameter of the elongated opening.
  • the at least one rotatable guide may optionally comprise a circlip which may optionally be attachable at the second rod-like portion and may optionally comprise an outer diameter being larger than the smallest diameter of the elongated opening.
  • the second rod-like portion can extend through the elongated opening and is prevented from moving perpendicular to the carrier plate by the circlip arranged on one side and by the first rod-like portion arranged on the opposite side.
  • the base element and/or the supporting block may optionally comprise a non-metal material.
  • the base element may optionally comprise a same thickness as the supporting block and may also comprise wood as material.
  • the matrix and/or the carrier plate are configured to accommodate substrate material arranged between the matrix and the carrier plate.
  • the substrate material may optionally comprise a predetermined thickness to adjust an embossing intensity, e. g. by modifying the height of the matrix and/or the deformability of the matrix or the underlying material.
  • the base element and/or the carrier plate may optionally comprise positioning markings.
  • the positioning markings may be configured to indicate a position of the carrier plate relative to the base element to help a user to modify the position of the matrix or to establish a predetermined position.
  • the method may comprise steps implementing at least one of the above mentioned functions or an arbitrary combination thereof.
  • the method comprises a step of rotating a rotatable guide with an eccentric portion about an axis perpendicular to the main surface of the base element.
  • the method comprises further a step of engaging the eccentric portion with an elongated opening of the carrier plate.
  • the method comprises further a step of moving the carrier plate in at least one direction of the main surface by the rotation of the rotatable guide.
  • the method comprises optionally the steps of rotating a first rotatable guide with a first eccentric portion within a first elongated opening and rotating a second rotatable guide with a second eccentric portion within a second elongated opening, wherein the first and second elongated openings are different (e.g. perpendicular to each other) and wherein the rotation of the first rotatable guide is independent from the rotation of the second rotatable guide to achieve adjustments in two independent directions (e.g. with respect to x- and y-axis).
  • Fig. 1 shows an apparatus for controlling a position of a matrix 5 in preparation of an embossing process, wherein Fig. 1A depicts a side view whereas Fig. 1B shows a top view.
  • the apparatus comprises a base element 10 with a main surface 11 (spanning the x- and y-directions) and a rotatable guide 20, wherein the rotatable guide 20 comprises an eccentric portion 22 protruding from the main surface 11 (in the depicted z-direction).
  • the rotatable guide 20 is rotatable about an axis perpendicular to the main surface 11 (e. g. about the z-direction).
  • the apparatus comprise further a carrier plate 30 to be placed on the main surface 11 and comprises an elongated opening 32 to receive the eccentric portion 22.
  • the carrier plate 30 is configured to hold and move the matrix 5 along at least one direction R1 of the main surface 11.
  • the elongated opening 32 extends in a direction different from the at least one direction R1 such that a rotation of the rotatable guide 20 moves the carrier plate 30 in the at least one direction R1.
  • the present invention solves the above-mentioned problems by using eccentric guides 20 for controlling a position of the embossing matrix 5 relative to the base element 10.
  • eccentric guides 20 for controlling a position of the embossing matrix 5 relative to the base element 10.
  • the achievable accuracy is set by the eccentricity of the eccentric guides 20, which can be defined by the horizontal distance (e.g. in the x-direction) of the axial axis of eccentric portion 22 compared to the axial axis of the bottom portion of the eccentric guide 20.
  • This distance may optionally be about 1 mm (or within the range of 0.1 mm to 3 mm, or between 0.5 mm and 1.5 mm). In particular, it is possible to allow positioning accuracies even within a micrometer ranges.
  • the carrier plate 30 may optionally be formed as a carrier metal plate and may comprise a thickness between 0.5 mm and 5 mm or between 1 mm and 2 mm or about 1.2 mm.
  • the base element 10 may be formed as base bound plate and may comprise a thickness between 5 and 50 mm (or between 10 and 20 mm or about 15 ... 18 mm).
  • Fig. 2 shows a further embodiment of the apparatus for controlling the position of the matrix which includes further, optional, components.
  • the carrier plate 30 may be attached on the base element 10 by using attachment means 401, 402 comprising a first attachment element 401 and a second attachment element 402 (or more).
  • the matrix 5 with a pattern 502 (surface structure to be embossed) is secured on the carrier plate 30 using fixation means 601, 602 which include a first fixation element 601 and a second fixation element 602 (or more).
  • fixation means 601, 602 which include a first fixation element 601 and a second fixation element 602 (or more).
  • the relative position of the carrier plate 30 with respect to the base element 10 is adjusted by using three rotatable guides, a first rotatable guide 201, a second rotatable guide 202 and a third rotatable guide 203.
  • only two rotatable guides or more than three rotatable guides are formed to define or modify the position of the carrier plate 30 relative to the base plate 10.
  • Each of the rotatable guides 201, 202, 203 comprises respective eccentric portions that protrude from the base element 10 and are received by elongated openings in the carrier plate 30 as it is described in Figs. 1A and 1B with respect to a single rotatable guide 20.
  • Fig. 2 further shows that underneath the matrix 5, a supporting block 50 is arranged within an opening 110 of the base plate 10.
  • the supporting block 50 and the matrix 5 sandwich the carrier plate 30, wherein the supporting block 50 is configured to support the embossing process (e.g. by providing an abutment).
  • the material of the supporting block e.g. wood
  • the thickness By selecting the material of the supporting block (e.g. wood) and the thickness, the intensity of the embossing may be modified.
  • the opening 110 and the supporting block 50 are indicated in Fig. 2 only by dashed lines, because they are covered by the carrier plate 30 and are not visible in the top view of fig. 2 .
  • the three eccentric guides 20 can be employed to allow a positioning of the matrix relative to a carrier block 10 and a supporting block in multiple directions.
  • Fig. 2 depicts only one possible arrangement of the first, second and third rotatable guides 201, 202 and 203 engaging with respective first, second and third elongated openings 321, 232 and 323.
  • two of the three elongated openings are arranged such that they extend in a same direction, whereas the third elongated opening extends in the direction perpendicular to the other two elongated openings.
  • first, second and third rotatable guides 201, 202 and 203 may be arranged within a line, wherein the two outer, the first and third, rotatable guides engage with elongated openings arranged in a same direction, whereas the second rotatable guide 202 is arranged between the first and third rotatable guides 201 and 203 engages with a second elongated opening extending in a direction perpendicular to the extension direction of the first and third elongated openings 321 and 323.
  • first, second and third rotatable guides 201, 202 and 203 may not be arranged along one line but may also be arranged as a triangle, thereby providing other possibilities to perform respective movements by rotating the eccentric portions of the first, second and third rotatable guides 201, 202 and 203.
  • Fig. 6 it is referred to Fig. 6 where the motion possibilities are set out in more detail.
  • Fig. 3 depicts a view from the opposite side of the apparatus as shown in Fig. 2 .
  • all elements indicated by a dashed line refer to element which are not directly visible from the respective side, but are arranged underneath the top elements.
  • the carrier plate 30 is arranged on the opposite side of the base element 10 and is depicted with a dashed line (i.e. the outline of the carrier plate 30).
  • the matrix 5 is also shown with a dashed line indicating that the matrix 5 is arranged on the opposite side of the base element 10.
  • the base plate 10 can be seen with the opening 110 on the surface opposite to the main surface 11 of Fig. 1 .
  • the opening 110 may comprise a rectangular shape as shown in Fig. 3 .
  • the shape of the opening 110 can be modified and may comprise any other forms, as e.g. an oval, quadratic or circular shape.
  • the supporting block 50 is arranged such that the supporting block 50 comprises a size which is smaller than the size of the opening 110.
  • a gap or a clearance is formed between the supporting block 50 and the base element 110.
  • This clearance may be selected such that a desired positioning range of the carrier plate 30 with respect to the base element 10 is made possible without the need of releasing the supporting block 50 from the carrier plate 30.
  • the gap may optionally comprise a width W to move the carrier plate 30 in the x-direction and y-direction with a maximum distance of W which is within a range of 1 to 10 mm, or 2 to 4 mm or about 2.8 mm.
  • the base element 10 may optionally comprise a first attachment opening 141 and a second attachment opening 142 which may be formed as through-holes through the base element 10.
  • the first attachment opening 141 may be configured to receive and secure the first attachment element 401, e.g. a bolt, to fix the carrier plate 30 on the base element 10.
  • the second attachment opening 142 may be configured to receive and secure the second attachment element 402, e.g. a further bolt, to fix the carrier plate 30 to the base element 10.
  • the first attachment opening 141 and/or the second attachment opening 142 may comprise an internal threaded surface to achieve a fixation of the carrier plate 30 to the base plate by using the bolts.
  • any other fixations may be used.
  • any releasable connection is suitable.
  • the embodiment as shown in Fig. 3 comprises further a first cylindrical recess 101, a second cylindrical recess 102 and a third cylindrical recess 103.
  • the first, second and third cylindrical recesses 101, 102, 103 may also be formed as cylindrical holes passing through the base element 10 to receive respective rod-like elements of the first eccentric guide 201, the second eccentric guide 202 and the third eccentric guide 203. Therefore, in the embodiment as depicted in Fig. 3 , the rod-like portions 20 may extend through the carrier plate 10 (see Fig. 1A ).
  • the embodiment of Fig. 3 comprises a first part 651 (e.g. a pin) and a second part 652 (e.g. a pin) as optional elements which are configured to provide a fixation of the first fixation element 601 and for the second fixation element 602 (see Fig. 2 ).
  • the first and second parts 651, 652 may comprise through-holes through the matrix 5 and the carrier pate 30 to provide a fixation of the matrix 5 relative to the carrier plate 30 and to fix the support block 50 to the carrier plate 30.
  • Fig. 4 depicts a cross-sectional view along the line A-A' of the embodiment as shown in Figs. 2 .
  • the cross-section is formed through the first attachment element 401, the first fixation element 601, the first rotatable guide 201, the second rotatable guide 202, the third rotatable guide 203, the second fixation element 602 and the second attachment element 402.
  • the supporting block 50 is depicted which is attached to the carrier plate 30 by using the first fixation element 601 and the second fixation element 602.
  • the supporting block 50 is arranged inside the opening 110 and is spaced from the base element 10 by a clearance W.
  • the first and second attachment means 401, 402 and the first, second and third rotatable guides 201, 202, 203 as well as the first and second fixation means 601, 602 are provided inside through-holes of the base element 10 or the supporting block 50.
  • the first attachment element 401 is arranged in part inside a first through-hole 141 by using a first sleeve 801 providing a threaded portion to allow the first attachment element 401 to be screwed to the base element 10.
  • first fixation element 601 engages with a through-hole 541 in the supporting block 50, wherein again an optional sleeve can be arranged so that the first fixation element 601 can be formed as a bolt for fixation of the matrix 5 and the supporting block 50 by a threaded engagement.
  • second fixation element 602 and the second attachment elements 402 which can also be configured to be formed inside a second through-hole 142 inside the base element 10 and a second through-hole 542 in the supporting block 50.
  • the first eccentric guide 201 may be formed in part within a first cylindrical recess 101.
  • the second eccentric guide 202 may be formed inside a second cylindrical recess 102.
  • the third eccentric guide 203 may be formed within a third cylindrical recess 103.
  • the first, second and third eccentric guides 201, 202 and 203 do not need to be fixed to the base element 10.
  • the cylindrical or rod-like portions of the eccentric guides 201, 202, 203 need only to be rotatable within the first, second and third cylindrical recesses 101, 102 and 103 such that the eccentric, rod-like portions of the eccentric guides 201, 202, 203 will move the carrier plate 30 relative to the base plate 10 upon rotation of the eccentric guides 201, 202, 203 as it will described in more detail with the next Figures.
  • Figs. 5A to 5D depict further details of the eccentric guide 20.
  • each of the eccentric guides as disclosed in Figs. 2 to 4 may comprise the features as further described now with Figs. 5A to 5D .
  • Fig. 5A shows a side view of the eccentric guides 20.
  • the eccentric guide 20 comprises a first rod-like portion 201 and a second rod-like portion 222.
  • a circlip holder 207 may be arranged such that it can receive a circlip when the eccentric guide is arranged inside one of the cylindrical recesses 101,102 and 103 so that the carrier plate 30 can be arranged within the region C between the beginning of the first rod-like portion 201 and the circlip holder 207.
  • the eccentric guide may comprise a screw nut 209 to allow a screwdriver to engage with the second rod-like portion 222 such that a rotation of the eccentric guide 20 can easily be achieved by using a screwdriver.
  • the screw nut 209 may be replaced by any structure suitable to engage with a tool (e.g. a wrench) to rotate or to support a rotation of the rotatable guide 20 manually.
  • a tool e.g. a wrench
  • the first rod-like portion 201 may comprise a length (in the direction of the rod) of about 16.9 mm (or within the range of 10 mm to 30mm, or between 15 mm and 20 mm).
  • the length of the region C may be about 1.5 mm (or within the range of 0.3 mm to 3 mm, or between 1 mm and 2 mm).
  • the circlip holder may comprise a length of about 0.5 mm (or within the range of 0.2 mm to 2 mm, or between 0.3 mm and 1 mm).
  • the second rod-like portion 222 may comprise a length of about 3 mm (or within the range of 2 mm to 5 mm, or between 2 mm and 4 mm).
  • the diameter of the first rod-like portion 201 may be about 0.6 mm (or within the range of 0.3 mm to 2 mm, or between 0.4 mm and 1 mm).
  • the diameter of the second rod-like portion 222 may be about 0.4 mm (or within the range of 0.1 mm to 2 mm, or between 0.3 mm and 0.8 mm).
  • Fig. 5B depicts a top view of the eccentric guide 20.
  • the first rod-like portion 201 comprises a larger diameter than the second rod-like portion 222.
  • the second rod-like portion 222 is arranged eccentrically relative to the first rod-like portion 201 such that the axial axis A1 of the second rod-like portion 222 and the axis A2 of the first rod-like portion are shifted relative to each other.
  • the distance between A1 and A2 define the eccentricity and the achievable accuracy. This distance may, for example, be about 0.5 mm or about 1 mm or about 2 mm.
  • 5B shows the indentations of the circlip holder 207 (dashed line) which comprises a circumferential shape with a diameter which is smaller than the diameter of the second rod-like portion 222 to allow a secure fixation of a circlip within the circlip holder 207.
  • Fig. 5C depicts a top view of the eccentric guide 20 when placed inside the cylindrical recess of the base plate 10 and shows the carrier plate 30 with the elongated opening 32.
  • the diameter of the second rod-like portion 222 is essentially equal to a smaller diameter of the elongated opening 32 inside the carrier plate 30.
  • the elongated opening 32 comprises a smaller diameter d1 and a larger diameter d2.
  • the smaller diameter d1 is approximately the same as the diameter of the second rod-like portion 222.
  • the diameter of the first rod-like portion 201 is larger than the smaller diameter d1 of the elongated opening 32 inside the carrier plate 30. Therefore, when the carrier plate 30 is arranged on the base element 10, the eccentric guide 20 cannot move in the upward direction (right direction in Fig. 5A ), because the carrier plate 30 will block the first rod-like portion 201 because of its larger diameter.
  • the second rod-like portion 222 comprises the screw nut 209 such that a rotation of the second rod-like portion 222 can be achieved by using, for example, a screwdriver.
  • the second rod-like portion 222 will move in a clock-wise direction D1 when rotating the optional screwdriver in a clock-wise direction, thereby forcing the carrier plate 30 to the left (relative to the base element 10).
  • the second rod-like portion 222 will move in a counter-clockwise rotation direction D2 when the screwdriver is rotated in a counter-clockwise rotation, thereby forcing the carrier plate 30 to the right (relative to the base element 10).
  • Fig. 5D depicts a further top view on one of the rotatable guides 20 which is arranged within the cylindrical portion of the base element such that the eccentric portion 222 is received by the elongated opening 32.
  • Fig. 5D depicts the circlip 250 which is attached to the circlip holder 207 inside the second rod-like portion 222 (see Fig. 5A ) such that the circlip will prevent a movement perpendicular to the drawing plane to separate the second rod-like portion 222 from the elongated opening 32 (i.e. a motion along the negative z-axis).
  • Fig. 5D depicts a further top view on one of the rotatable guides 20 which is arranged within the cylindrical portion of the base element such that the eccentric portion 222 is received by the elongated opening 32.
  • Fig. 5D depicts the circlip 250 which is attached to the circlip holder 207 inside the second rod-like portion 222 (see Fig. 5A ) such that the circlip
  • 5D shows further that the diameter of the first rod-like portion 201 is larger than the smallest diameter of the elongated opening 32, thereby preventing a motion of the rotatable guide 20 in the direction of the positive z-axis (see Fig. 1 ).
  • the circlip 250 can be replaced by any other fixation means which allows a rotation of the rotatable guide 20, while preventing a separation of the eccentric guide 20 from the carrier plate 30.
  • Fig. 6 depicts a further embodiment with optional position markings (reference points) 75.
  • the position markings are arranged on the base element 10 and on the carrier plate 30 and indicate a desired position.
  • the position markings 75 may be arranged on all sides of the carrier plate 30 to allow the visual inspection of the relative position of the carrier plate 30 relative to the base element 10 in all direction.
  • Multiple position markings 75 may be arranged on at least one side (in Fig. 6 , the upper side and the lower side comprise each two position markings), to detect a rotational displacement of the carrier plate 30 with respect to the base element 10.
  • Each of the position markings 75 may comprise several lines which may have, for example, different lengths.
  • each of the position markings comprise three lines being arranged on the carrier plate 30 and three lines being arranged on the base element 10. The middle line of the three lines is longer than the two outer lines. This may simplify the visual inspection and to ensure a correct alignment.
  • the position markings comprise more than three lines or less than three lines (for example only a single line or five or 10 lines), wherein each of the multiple lines comprise a predetermined distance from each other.
  • position markings 75 are configured to indicate a desired (relative) position. Therefore, by using the eccentric guides 20 to adjust the position of the carrier plate 30 relative to the base element 10, the position markings 75 can be used to define a precise positioning of these two elements.
  • the embodiment of Fig. 6 comprises again three elongated openings 321, 322 and 323 which receive three rotatable guides 201, 202 and 203. Moreover, the elongated openings 321, 322 and 323 are arranged along a line such that the middle elongated opening 322 extends in a perpendicular direction (for example, y-axis), whereas both outer elongated openings 321 and 323 extend in the x-direction, i.e. perpendicular to the y-axis.
  • the first elongated opening 321 may extend along the positive x-axis
  • the third elongated opening 323 may extend along the negative x-axis.
  • the extension of the elongated openings is identified by the location of the eccentric portions inside the openings. Although this position will change by rotation of the rotatable guides 20, they cannot be selected freely, because of constraints imposed by the other elongated openings (see Fig. 6 ).
  • Fig. 6 the arrows indicate the motion directions, when the respective rotatable guides are rotated.
  • the carrier plate 30 moves along the y-axis by rotating the first eccentric guide 201 in the counter clock-wise direction combined with a clock-wise rotation of the third eccentric guide 203, while not rotating the second eccentric guide 202.
  • the carrier plate 30 will move downward (negative y-direction).
  • the carrier plate 30 will rotate in the counter-clockwise direction.
  • the carrier plate 30 will rotate in the opposite direction, i. e. clockwise direction.
  • the movement of the carrier plate 30 can be adjusted with high accuracy relative to the base element 10.
  • more the three elongated openings can be formed such that they represent a triangle.
  • the extension directions of the elongated openings are different, for example, the middle elongated opening can extend along the x-direction (positive or negative), whereas the first and second elongated openings can extend along the positive and negative y-axis or both can extend along the same direction (for example, the y-axis).
  • Fig. 7 depicts a flow diagram for a method for controlling a position of a matrix in preparation of an embossing process, wherein the matrix is attachable to a carrier plate which is moveable relative to a base element.
  • the method comprises a step of rotating S110 a rotatable guide with an eccentric portion about an axis perpendicular to the main surface of the base element.
  • the method comprises further a step of engaging S120 the eccentric portion with an elongated opening of the carrier plate.
  • the method comprises further a step of moving S130 the carrier plate in at least one direction of the main surface by the rotation of the rotatable guide.
  • the method shown in Fig. 7 may further comprise the optional steps of rotating a first rotatable guide with a first eccentric portion within a first elongated opening and rotating a second rotatable guide with a second eccentric portion within a second elongated opening, wherein the first and second elongated openings are different (e.g. perpendicular to each other) and wherein the rotation of the first rotatable guide is independent from the rotation of the second rotatable guide to achieve adjustments in two independent directions (e.g. with respect to x- and y-axis).
  • the present invention provides the following advantages. There is no need of dismantling the device during the position adjustments. Therefore, the matrix positioning can be achieved fast and simple. Only the attachment means have to be 401, 402 have to be loosened to allow a lateral motion of the carrier plate 30. In addition, a high precision is achievable by adjusting the eccentricity accordingly.
  • the embossing intensity can be modified by the additional substrate material (padding material).
  • the matrix can be replaced quickly by releasing the attachment means. The matrix can be re-adjusted with only few steps.
  • the present invention can also be summarized in the following way.
  • Embodiments of the present invention relate to a simple and quick guidance of a matrix 5 with the help of a carrier metal plate (carrier plate 30) and a supporting block 15 with eccentric guides 20, without any specific devices to achieve a positioning accuracy even within micrometer ranges.
  • a carrier metal plate carrier plate 30
  • eccentric guides 20 When the eccentric guides 20 are rotated, the horizontal position of the matrix 5 is guided to a desired position.
  • the initial or current position of the matrix 5 may be defined by positional markings 75, which may be engraved on the base bound board (base element 10) and the carrier metal board (the carrier plate 13).
  • the intensity or power of the embossing process can be set independently from the matrix position and may be modified with the help of padding material.
  • Various thicknesses of padding material can be placed directly under the matrix 5. In this process, the position of the embossing remains unchanged.
  • the process of matrix control may be carried out on an independent embossing tool or together with a steel rule die.
  • the components of the apparatus for embossing control may comprise: a base element 10 (base bound plate), a matrix 5, a patrix, a carrier plate 30 (for example a carrier metal plate), a supporting block 50, eccentric guides 20, metal pins (pins 651, 652), threaded sleeves 801, 802, attachment and fixation means (for example, screws), external circlips, etc.
  • the control of the matrix 5 may be carried out relative to a desired position with the help of the eccentric guides 20 across the exemplary carrier metal board 30 and supporting block 50.
  • the system enables a quick and precise horizontal matrix movement.
  • the matrix 5 may be attached to a supporting block 50 through the exemplary carrier metal plate 30, which may be 1.4 mm smaller than the opening 110, which, in turn, enables the movement of the matrix 10.
  • the eccentric guide 20 may be used to control the position of the matrix 5 along the x- as well as y-axis.
  • the exemplary base bound element 10 is a standard carrier for steel rule die or an independent embossing tool.
  • the base bound element 10 may comprise a thickness of about 15 mm or 18 mm (or a range with between 10 and 30 mm).
  • An optional laser cutter may be used to create the opening 110, the holes for the threaded sleeves and an opening for the eccentric guide 20.
  • Predetermined locations may be marked with position markings 75 which may facilitate the positioning of exemplary carrier metal plate 30 with the matrix 5.
  • the support block 50 is about 1.8 smaller than the opening 110 formed in the base element 10 and serves as a carrier for the matrix 5.
  • the exemplary base bound plate 10 with respect to its shape and the size of the matrix 5 can be cut with a laser cutter (to be cut out in the size of 1.4 mm).
  • the support block 50 may comprise holes, wherein pins can be inserted which are used to fix the matrix 5 across the exemplary carrier metal plate 30 onto the support block 15 with optional screws.
  • the exemplary carrier metal plate 30 is made of straight iron sheet comprising thickness of about 1.25 mm.
  • the exemplary carrier metal plate 30 comprises holes which can be used to fix it on the exemplary base bound plate.
  • the exemplary carrier metal plate 30 may comprise holes for a matrix attachment onto the supporting block 50 and may comprise holes for the eccentric guides 20. Edges of the exemplary metal plate 30 may be engraved with positional markings 75 which define the current position allowing a quick and precise positioning along the x- axis and y-axis.
  • the exemplary carrier metal plate 30 may be attached on the exemplary base bound plate 10 with M3 screws with a washer, which is screwed into the threaded M3 sleeves in the exemplary base bound plate 10.
  • three eccentric guides 20 are used to position the matrix 5 to enable a horizontal movement of the matrix 5 across the exemplary metal plate 30 together with the supporting block 50 up to +/- 1.4 mm along the x-axis and/or y-axis.
  • the eccentric guides 20 may comprise grooves which are used to apply the external circlip that prevents the guides 20 from falling off the exemplary base bound plate 10 and the metal plate 30.
  • a screwdriver may be used to move the eccentric guides 20.
  • the exemplary method can also be described as follows.
  • the base bound plate 10 is equipped with threaded sleeves M3, the eccentric guides 20 are inserted in prepared holes.
  • the exemplary support block 50 is equipped with metal pins with e.g. M3 threads.
  • the carrier metal plate 30 may be placed onto the support block 50.
  • the carrier plate 30 is further placed on the base element 10 and fixed with M3 screws and washers - directly into the exemplary threaded sleeves.
  • three eccentric guides 20 may be equipped with external circlips, which additionally fix the carrier metal plate 30 and prevents the guides 20 from falling off the base element 10.
  • the matrix 5 can be attached onto the M3 metal pins on the supporting block 50 and fixed with M3 screws.
  • Engraved position markings 75 on the metal plate 30 may be aligned with the engraved markings on the base element 10 which represents the basic starting position of the matrix 5.
  • the intensity or power of the embossment can be regulated with padding materials of various thicknesses, which are of the same dimension as the matrix 5 itself, and may be placed directly under the matrix 5 onto the carrier metal plate 30.
  • the screws for the fixation of the carrier metal plate 30 onto the base element 10 are slightly unscrewed. This enables movement of the matrix 5 along the carrier plate 30 and the supporting block 50. The movement is carried out by the eccentric guides 20 which are rotated into the desired direction. The position of the matrix 5 is controlled with the position markings 75 on the metal plate 30 and the base bound plate 10. If the new position of the matrix is defined, the previously unscrewed M3 screws are screwed back and the position of the matrix is fixed.
  • the apparatus may comprise one or more additional optional features corresponding to one or more aspects mentioned in connection with the proposed concept or one or more examples described above.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Holo Graphy (AREA)
EP14178269.8A 2014-07-24 2014-07-24 Appareil et procédé de commande de matrice de gaufrage Not-in-force EP2977197B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SI201430575T SI2977197T1 (en) 2014-07-24 2014-07-24 Device and process for controlling the stamping matrix
PL14178269T PL2977197T3 (pl) 2014-07-24 2014-07-24 Urządzenie i sposób do sterowania matrycą tłoczoną
EP14178269.8A EP2977197B1 (fr) 2014-07-24 2014-07-24 Appareil et procédé de commande de matrice de gaufrage
PCT/EP2015/067020 WO2016012598A1 (fr) 2014-07-24 2015-07-24 Appareil et procédé pour commande de matrice de gaufrage
HRP20180106TT HRP20180106T1 (hr) 2014-07-24 2018-01-22 Uređaj za i postupak kontrole reljefne matrice

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14178269.8A EP2977197B1 (fr) 2014-07-24 2014-07-24 Appareil et procédé de commande de matrice de gaufrage

Publications (2)

Publication Number Publication Date
EP2977197A1 true EP2977197A1 (fr) 2016-01-27
EP2977197B1 EP2977197B1 (fr) 2017-10-25

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Application Number Title Priority Date Filing Date
EP14178269.8A Not-in-force EP2977197B1 (fr) 2014-07-24 2014-07-24 Appareil et procédé de commande de matrice de gaufrage

Country Status (5)

Country Link
EP (1) EP2977197B1 (fr)
HR (1) HRP20180106T1 (fr)
PL (1) PL2977197T3 (fr)
SI (1) SI2977197T1 (fr)
WO (1) WO2016012598A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019040774A1 (fr) * 2017-08-24 2019-02-28 Universal Engraving, Inc. Appareil et procédé permettant de régler une plaque à matrice pour arts graphiques sur un support

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US720387A (en) * 1902-05-26 1903-02-10 Theodor Wensel Printer's base and attachments.
FR396861A (fr) * 1908-11-28 1909-04-22 Engelbert Wiessler Dispositif de fixation pour supports de planches et plaques d'impression
GB191421704A (en) * 1914-10-29 1915-07-15 Arthur Richardson Warren Improvements in Printing Plate Holders.
US2283587A (en) * 1941-04-03 1942-05-19 Steinbach Warner Method and apparatus for registering superimposed printings
FR2485674A1 (fr) * 1980-06-24 1981-12-31 Thomson Csf Dispositif de commande du deplacement d'une piece et imprimante comportant un tel dispositif
US4479435A (en) * 1980-10-17 1984-10-30 Dai Nippon Insatsu Kabushiki Kaisha Device for fixing by suction an offset printing plate or like plate in planar state
DE20303948U1 (de) 2003-03-11 2004-04-15 Karl Linhardt Gmbh Vorrichtung zum Prägen und/oder Stanzen eines Werkstücks
US20050257594A1 (en) * 2004-05-21 2005-11-24 Larry Hutchison Graphic arts die and support plate assembly

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US720387A (en) * 1902-05-26 1903-02-10 Theodor Wensel Printer's base and attachments.
FR396861A (fr) * 1908-11-28 1909-04-22 Engelbert Wiessler Dispositif de fixation pour supports de planches et plaques d'impression
GB191421704A (en) * 1914-10-29 1915-07-15 Arthur Richardson Warren Improvements in Printing Plate Holders.
US2283587A (en) * 1941-04-03 1942-05-19 Steinbach Warner Method and apparatus for registering superimposed printings
FR2485674A1 (fr) * 1980-06-24 1981-12-31 Thomson Csf Dispositif de commande du deplacement d'une piece et imprimante comportant un tel dispositif
US4479435A (en) * 1980-10-17 1984-10-30 Dai Nippon Insatsu Kabushiki Kaisha Device for fixing by suction an offset printing plate or like plate in planar state
DE20303948U1 (de) 2003-03-11 2004-04-15 Karl Linhardt Gmbh Vorrichtung zum Prägen und/oder Stanzen eines Werkstücks
US20050257594A1 (en) * 2004-05-21 2005-11-24 Larry Hutchison Graphic arts die and support plate assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019040774A1 (fr) * 2017-08-24 2019-02-28 Universal Engraving, Inc. Appareil et procédé permettant de régler une plaque à matrice pour arts graphiques sur un support
US10800158B2 (en) 2017-08-24 2020-10-13 Universal Engraving, Inc. Apparatus and method for adjusting graphic arts die plate on carrier

Also Published As

Publication number Publication date
EP2977197B1 (fr) 2017-10-25
HRP20180106T1 (hr) 2018-02-23
PL2977197T3 (pl) 2018-04-30
WO2016012598A1 (fr) 2016-01-28
SI2977197T1 (en) 2018-02-28

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