WO2018235097A1 - Outil de gaufrage pour machine de gaufrage libre - Google Patents

Outil de gaufrage pour machine de gaufrage libre Download PDF

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Publication number
WO2018235097A1
WO2018235097A1 PCT/IN2018/050401 IN2018050401W WO2018235097A1 WO 2018235097 A1 WO2018235097 A1 WO 2018235097A1 IN 2018050401 W IN2018050401 W IN 2018050401W WO 2018235097 A1 WO2018235097 A1 WO 2018235097A1
Authority
WO
WIPO (PCT)
Prior art keywords
embossing
shaft
tool
operative
ball
Prior art date
Application number
PCT/IN2018/050401
Other languages
English (en)
Inventor
Rushang SHAH
Deepak Bhardwaj
Ravikant PATIL
Santosh Vishwakarma
Saurabh Srivastava
Jagtar SEKHON
Original Assignee
Funplates India Pvt. Ltd.
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 Funplates India Pvt. Ltd. filed Critical Funplates India Pvt. Ltd.
Publication of WO2018235097A1 publication Critical patent/WO2018235097A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B11/00—Artists' hand tools for sculpturing, kneading, carving, engraving, guilloching or embossing; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B3/00—Artist's machines or apparatus equipped with tools or work holders moving or able to be controlled substantially two- dimensionally for carving, engraving, or guilloching shallow ornamenting or markings
    • B44B3/06—Accessories, e.g. tool or work holders
    • B44B3/061—Tool heads
    • 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
    • B44B5/0004—Machines or apparatus for embossing decorations or marks, e.g. embossing coins characterised by the movement of the embossing tool(s), or the movement of the work, during the embossing operation
    • 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
    • B44B5/026—Dies

Definitions

  • This invention relates to the field of mechanical engineering.
  • this invention relates to the field of embossing machines.
  • this invention relates to an embossing tool for a free embossing machine.
  • Embossing is an art form that has existed for centuries. Metal embossing is used to a design upon metal sheets. The metal sheet embossing operation is commonly accomplished with application of pressure on the sheet metal.
  • sheet metal embossing is a stamping process for producing raised or sunken designs or relief in sheet metal. This process can be made by means of matched male and female dies.
  • the metal is pushed with an embossing tool or stylus in order to create a raised effect on the opposite side.
  • embossed metal plates are number plates for vehicles. Embossed metal sheets are also used to decorate items like tins, lanterns, windows, or doors.
  • CNC machines with some special tools can be used. However, they cannot emboss alpha-numeric symbols. Also, these are highly expensive machines and rely on a discrete embossing pattern which makes a seemingly continuous pattern.
  • An object of the invention is to provide a tool for an embossing machine which tool is configured to emboss alpha-numeric inputs or symbols in all languages.
  • Another object of the invention is to provide a tool for an embossing machine which tool is configured to emboss a free form design.
  • An additional object of the invention is to provide a tool for an embossing machine which tool is configured to emboss wherein x-axis and y-axis orientation can be controlled.
  • An additional object of the invention is to provide a tool for an embossing machine which tool is configured to emboss where z-axis orientation can be controlled.
  • Yet an additional object of the invention is to provide a tool for an embossing machine which tool is configured to emboss in a manner where there is relatively greater accuracy of control.
  • Yet an additional object of the invention is to provide a tool for an embossing machine which tool is configured to emboss in a manner where there is relatively greater accuracy of embossing.
  • Still an additional object of the invention is to provide a tool for an embossing machine which tool is configured to emboss wherein control can exercised in the range of microns.
  • Another additional object of the invention is to provide a tool for an embossing machine which tool is configured to emboss characters, words, sentences, in different languages, on a metal sheet in real time, without using any die.
  • Yet another additional object of the invention is to provide a tool for an embossing machine which tool is configured to provide customized embossing.
  • an embossing tool for a free embossing machine said tool comprises:
  • a hemispherical housing at the operative distal end of said shaft, configured to house an embossing ball, said embossing ball being the pressure imparting point for embossing on a sheet;
  • a configuration of balls configured to be interspersed within said operative upper hemisphere of said ball and within inner side of said hemispherical housing, said configuration of balls being configured to act as resilience in order to allow near-frictionless functioning of said ball when longitudinal axial force is imparted to said ball, through said shaft, and onto the sheet that is embossed, said configuration of balls being configured to ensure that said ball is angularly displaceable in all degrees of freedom within said hemispherical housing to allow near-frictionless embossing;
  • said cap and said shaft are two separate elements such that a distal portion of said shaft being ensconced within said cap.
  • said cap's inner diameter matches the outer diameter of said shaft.
  • said tool comprises a drive mechanism configured to drive various movements of said shaft.
  • said tool comprises a drive mechanism configured to drive various movements of said shaft, characterized in that, said movements comprising at least an operative upward motion (positive z-axis motion), at least an operative downward motion (negative z-axis motion), at least operative lateral motions (positive y-axis motion, negative y-axis motion), at least an operative forward motion (positive x-axis motion), and at least an operative backward motion (negative x-axis motion).
  • said movements comprising at least an operative upward motion (positive z-axis motion), at least an operative downward motion (negative z-axis motion), at least operative lateral motions (positive y-axis motion, negative y-axis motion), at least an operative forward motion (positive x-axis motion), and at least an operative backward motion (negative x-axis motion).
  • said cap comprises an operative distal face which is substantially parallel to the sheet metal that is to be embossed.
  • a hemispherical housing at the operative distal end of said shaft, configured to house an embossing ball, characterized in that, dimensions of said hemisphere being such that the operative lower hemisphere of said ball protrudes out of said shaft.
  • the operative distal end of said shaft being ensconced within said cap.
  • said cap comprises a substantial circular opening corresponding but greater in diameter than the diameter of said embossing ball so that the operative lower hemisphere of said embossing ball protrudes out of said shaft as well as out of said cap.
  • said tool comprises at least a plate provided in order to secure said embossing ball in place in said hemispherical housing and the opening of the cap.
  • said tool comprises at least a plate provided in order to secure said embossing ball in place in said hemispherical housing and the opening of the cap, characterized in that, said plate being an annular plate with a concentric opening at its centre.
  • said embossing ball is a replaceable ball in said tool, each replaceable ball being of a specific diameter corresponding to the thickness of character that is to be embossed.
  • said embossing ball comprising a variety of tips.
  • said configuration of balls being such that it forms a locus of points equidistant from the centre, the centre being the centre of said hemispherical housing.
  • said resilient mechanism is a spring ensconcing said shaft and seated at its operative distal end with said cap.
  • said shaft comprises a collar at its operative upper portion to allow said resilient mechanism to anchor its operative top portion.
  • said cap comprises a collar, advantageously located, in order to allow said resilient mechanism to anchor its operative bottom portion.
  • said shaft comprises a collar at its operative upper portion to allow said resilient mechanism to anchor its operative top portion, characterized in that, said collar being circumferential in nature such that said resilient mechanism envelopes said shaft for congruent distribution of forces.
  • said cap comprises a collar, advantageously located, in order to allow said resilient mechanism to anchor its operative bottom portion, characterized in that, said collar being circumferential in nature such that said resilient mechanism envelopes said shaft for congruent distribution of forces.
  • said resilient mechanism is sandwiched between said shaft's operative top part and said cap.
  • FIGURE 1 illustrates an exploited view of this tool
  • FIGURE 2 illustrates a cross-section view of this tool
  • FIGURE 3 illustrates this tool as held by a machine tool head.
  • FIGURE 1 illustrates an exploited view of this tool (10).
  • FIGURE 2 illustrates a cross-section view of this tool (10).
  • FIGURE 3 illustrates this tool (10) as held by a machine tool head (20).
  • this cap and the shaft are two separate elements such that a distal portion of the shaft is ensconced within the cap.
  • the cap has an inner diameter which matches the outer diameter of the shaft.
  • the shaft is configured to move operatively upward and downward along its longitudinal axis.
  • a drive mechanism (not shown) is configured to drive various movements of the shaft.
  • This cap comprises an operative distal face which is substantially parallel to the sheet metal that is to be embossed.
  • a sheet metal that is to be embossed is kept on a surface and the tool of this invention is driven across the sheet metal with the operative distal end of the tool in contact with the sheet metal.
  • the distal end of the shaft comprises a hemispherical housing (16) configured to house an embossing ball (18).
  • the dimensions of the hemisphere are such that the operative lower hemisphere of the ball protrudes out of the shaft.
  • the cap also comprises a substantial circular opening corresponding but greater in diameter than the diameter of the ball so that the operative lower hemisphere of the ball protrudes out of the shaft as well as the cap.
  • This ball is the pressure imparting point (19) for embossing on the metal sheet.
  • the ball is the part which embosses.
  • a plate (22) is provided in order to secure this ball in place in the hemispherical housing and the opening of the cap. This plate may be an annular plate with a concentric opening at the centre.
  • Each embossing ball comprises a specific diameter which corresponds to the thickness of character that is to be embossed. Additionally, it is to be understood, that the ball may assume a variety of tips, if required. Also, the ball need not necessarily be a sphere, per se.
  • a configuration of balls (24) is provided to be interspersed within the operative upper hemisphere of the ball and the inner side of the hemispherical housing.
  • the configuration of balls is such that it forms a locus of points equidistant from the centre, the centre being the centre of the hemispherical housing.
  • These balls act as resilience in order to allow smooth functioning or near- frictionless functioning of the ball when the longitudinal axial force is imparted from the drive through to the shaft to the ball and onto the metal sheet that is embossed.
  • this configuration of balls ensures that the ball is angularly displaceable in all degrees of freedom within the hemispherical housing to allow smooth functioning or near-frictionless embossing.
  • a resilient mechanism (26) between the shaft and the cap.
  • this resilient mechanism is a spring ensconcing the shaft and seated at its distal end with the cap.
  • the shaft comprises a collar at its operative upper portion to allow the resilient mechanism to anchor its operative top portion and the cap comprises a collar, advantageously location, in order to allow the resilient mechanism to anchor its operative bottom portion.
  • Each of the collars are circumferential in nature such that the resilient mechanism envelopes the shaft for congruent distribution of forces.
  • the resilient mechanism is sandwiched between the shaft's operative top part and the cap.
  • This tool is compatible with manual, semi-automatic, and fully automatic machines.
  • the TECHNICAL ADVANCEMENT of this invention lies in providing a tool which enables near-frictionless continuous free form embossing on a sheet. Typically, metal sheets up to 1.5 mm can be embossed.
  • This tool eliminates the need for relatively expensive dies and presses.
  • This tool enables embossing of all alpha-numeric characters without any barrier of languages along with free-form design at relatively lower costs.
  • the use of this tool enables accurate control in x, y, and z directions.

Landscapes

  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

L'invention concerne un outil de gaufrage pour une machine de gaufrage libre, comprenant : un arbre allongé (12) avec un capuchon en saillie (14) au niveau de son extrémité distale, l'arbre étant conçu pour se déplacer vers le haut et vers le bas le long de son axe longitudinal ; un boîtier hémisphérique (16), à une extrémité distale dudit arbre, conçu pour loger une bille de gaufrage (18), ladite bille de gaufrage étant le point de transmission de pression (19) pour le gaufrage ; une configuration de billes (24) conçue pour être intercalée à l'intérieur de l'hémisphère supérieur de la bille et à l'intérieur du côté interne du logement hémisphérique, la configuration de billes étant conçue pour agir en tant qu'élasticité pour permettre un fonctionnement quasiment sans frottement de la bille lorsque la force axiale longitudinale est communiquée à la bille, à travers l'arbre et sur une feuille à gaufrer, ladite configuration de billes étant conçue pour assurer que la bille puisse être déplacée angulairement dans tous les degrés de liberté à l'intérieur dudit logement hémisphérique pour permettre un gaufrage quasiment sans frottement ; et un mécanisme élastique (26) entre l'arbre et le capuchon.
PCT/IN2018/050401 2017-06-19 2018-06-19 Outil de gaufrage pour machine de gaufrage libre WO2018235097A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201721021394 2017-06-19
IN201721021394 2017-06-19

Publications (1)

Publication Number Publication Date
WO2018235097A1 true WO2018235097A1 (fr) 2018-12-27

Family

ID=64736880

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2018/050401 WO2018235097A1 (fr) 2017-06-19 2018-06-19 Outil de gaufrage pour machine de gaufrage libre

Country Status (1)

Country Link
WO (1) WO2018235097A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6446549B1 (en) * 2000-11-16 2002-09-10 Carla B. Soucie Hand-held paper embossing tool
EP1555981A1 (fr) * 2002-10-28 2005-07-27 Seb S.A. Dispositif de massage a mouvement de frappe
WO2005077675A2 (fr) * 2004-02-03 2005-08-25 Fiskars Brands, Inc. Instrument de texturation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6446549B1 (en) * 2000-11-16 2002-09-10 Carla B. Soucie Hand-held paper embossing tool
EP1555981A1 (fr) * 2002-10-28 2005-07-27 Seb S.A. Dispositif de massage a mouvement de frappe
WO2005077675A2 (fr) * 2004-02-03 2005-08-25 Fiskars Brands, Inc. Instrument de texturation

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