EP1855849A4 - Poste de taille du cuir a mouvement automatique - Google Patents

Poste de taille du cuir a mouvement automatique

Info

Publication number
EP1855849A4
EP1855849A4 EP06736995A EP06736995A EP1855849A4 EP 1855849 A4 EP1855849 A4 EP 1855849A4 EP 06736995 A EP06736995 A EP 06736995A EP 06736995 A EP06736995 A EP 06736995A EP 1855849 A4 EP1855849 A4 EP 1855849A4
Authority
EP
European Patent Office
Prior art keywords
sheet material
base
table top
material cutting
component
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.)
Withdrawn
Application number
EP06736995A
Other languages
German (de)
English (en)
Other versions
EP1855849A2 (fr
Inventor
Nicolaas Schneider
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.)
SETON SOUTH AFRICA Pty Ltd
SETON SOUTH AFRICA Pty
Original Assignee
SETON SOUTH AFRICA Pty Ltd
SETON SOUTH AFRICA Pty
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
Priority claimed from US11/364,844 external-priority patent/US20060207444A1/en
Application filed by SETON SOUTH AFRICA Pty Ltd, SETON SOUTH AFRICA Pty filed Critical SETON SOUTH AFRICA Pty Ltd
Publication of EP1855849A2 publication Critical patent/EP1855849A2/fr
Publication of EP1855849A4 publication Critical patent/EP1855849A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/20—Cutting beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D35/00—Tools for shearing machines or shearing devices; Holders or chucks for shearing tools
    • B23D35/008—Means for changing the cutting members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D7/015—Means for holding or positioning work for sheet material or piles of sheets
    • 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
    • B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B5/00—Clicking, perforating, or cutting leather
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
    • B26D2007/0056—Rotating a pile of sheets in the plane of the sheets

Definitions

  • the present invention relates, in general, to the cutting of a sheet material and, more particularly, to a sheet material cutting table and a sheet material cutting station. Description of Related Art
  • the present invention is directed to a sheet material cutting table.
  • the table includes a base comprising a foot component and a turntable component and a table top rotatably supported on the base to rotate about a generally vertical axis.
  • the table top includes a support formation and a planar top component defining a planar work surface. At least one of the base and the table top has a track and at least one of the other of the base and the table top has rolling elements configured to roll along the track thereby allowing the table top to be linearly displaceable in a horizontal plane relative to the base.
  • the table top may rotate in both a clockwise and a counter-clockwise direction.
  • the support formation of the table top comprises a frame that is one of circular, polygonal or hexagonal.
  • the frame of the support formation of the table top may include a plurality of rollers rollably supported therein to slidably support the planar top component.
  • the support formation may include friction-reducing elements to assist in sliding the top component onto or off the support formation.
  • the turntable component of the base may be rotatably mounted on the foot component of the base.
  • the sheet material may be leather or automotive leather.
  • the present invention is also a sheet material cutting station.
  • the sheet material cutting station includes a sheet material cutting table, an overhead support positioned above the sheet material cutting table and a tool rack suspended from the overhead support.
  • the sheet material cutting table includes a base comprising a foot component and a turntable component and a table top rotatably supported on the base to rotate about a generally vertical axis.
  • the table top includes a support formation and a planar top component defining a planar work surface. At least one of the base and the table top has a track and at least one of the other of the base and the table top has rolling elements configured to roll along the track thereby allowing the table top to be linearly displaceable in a horizontal plane relative to the base.
  • the tool rack may include a plurality of cutting die compartments defined by upwardly projecting pins.
  • the die compartments may be configured to hold a cutting die on its side.
  • the overhead support may be configured to allow displacement of the tool rack in an elevated, horizontal plane, in two perpendicular directions.
  • the overhead support may displace the tool rack over an area that is larger than an area of the sheet material cutting table.
  • the overhead support may allow the tool rack to rotate about a generally vertical axis of rotation.
  • the sheet material cutting station may further comprise an inspection table to inspect cut pieces of sheet material.
  • the present invention is also a method of cutting a sheet material.
  • the method comprises providing a sheet material cutting table.
  • the sheet material cutting table includes a base comprising a foot component and a turntable component and a table top rotatably supported on the base to rotate about a generally vertical axis.
  • the table top includes a support formation and a planar top component defining a planar work surface.
  • At least one of the base and the table top has a track and at least one of the other of the base and the table top has rolling elements configured to roll along the track thereby allowing the table top to be linearly displaceable in a horizontal plane relative to the base.
  • a piece of sheet material is placed on top of the planar work surface of the planar top component.
  • At least one cutting die is removed from a tool rack suspended from an overhead support, the overhead support positioned above the sheet material cutting table and placed on the piece of sheet material.
  • the planar top component is then slidably pulled from the support formation and into a cutting press and the cutting press is pressed down on the at least one cutting die thereby cutting the sheet material.
  • FIG. 1 is an elevational sectional side view of a sheet material cutting table in accordance with the present invention
  • FIG. 2 is an exploded elevational sectioned side view of the sheet material cutting table of FIG. 1;
  • FIG. 3 is a top plan view of the sheet material cutting table of FIG. 1 without a top component
  • FIG. 4 is a top plan view of a turntable component of the leather cutting table of FIG. 1;
  • FIGS. 5 - 8 are elevational sectional side views of the leather cutting table of FIG. 1, in use;
  • FIG. 9 is a top plan view of eight sheet material cutting stations in accordance with the present invention.
  • FIG. 10 is a perspective view of a tool rack of the sheet material cutting stations of FIG. 9.
  • FIG. 11 is a perspective view of an inspection table of the sheet material cutting stations of FIG. 9.
  • a sheet material cutting table 10 comprises a base 12 having a foot component 14 and a turntable component 16.
  • the cutting table 10 also includes a table top 18 comprising a support formation 20 and a planar top component 22 defining a planar work surface 24.
  • the turntable component 16 is rotatably mounted on the base 12 such that it rotates about a generally vertical axis of rotation 26.
  • the table top 18 is thus rotatably supported on the base 12 to rotate about the generally vertical axis of rotation 26.
  • the turntable component 16 is freely rotatable by hand in a clockwise and counterclockwise direction.
  • the foot component 14 includes four legs 28 each ending in a foot 30.
  • the feet 30 may be fastened to a support surface such as the floor.
  • the turntable component 16 includes two horizontally spaced parallel U-shaped tracks 32.
  • the tracks 32 are horizontally arranged and each track 32 includes a stop formation 34 blocking the track.
  • a pair of spaced wheels 36 is provided at ends 38 of the tracks 32. The wheels 36 are fixedly mounted to the tracks 32 to project upwardly from the tracks 32.
  • the support formation 20 also includes two tracks 40.
  • the tracks 40 are horizontally spaced and parallel and are in the form of inverted U-shaped channels.
  • the tracks 40 are vertically in register with the tracks 32.
  • One end of each track 40 is supported on one of the wheels 36.
  • a pair of wheels 44 is provided, one wheel 44 being associated with each track 40.
  • Each wheel 44 is provided with a hand brake (not shown).
  • the wheels 44 are fixedly mounted to the tracks 40 and project downwardly, resting on the tracks 32.
  • the table top 18 is thus slidable, by means of the tracks 32, 40 and the wheels 36, 44 in the direction of the arrows 46 shown in FIGS. 1 and 2 and back.
  • the table top 18 can slide in the direction of the arrow 46 until the wheels 44 hit the stop formations 34. In this position, the table top 18 is cantilevered relative to the base 12, as shown in FIGS. 6 and 7 of the drawings.
  • the support formation 20 of the table top 18 includes a frame 48 which may be polygonal, with more than four corners when viewed in plan, and with none of the corners being less than 90°.
  • the frame 48 may be hexagonal in top plan view, with four longer sides and four shorter sides, the longer sides being connected by the shorter sides such that the longer and shorter sides are alternately arranged. While the frame 48 has been described as being hexagonal in shape, this is not to be construed as limiting the present invention as other shapes for the frame 48 have been envisioned, such as but not limited to circular, square, triangular and the like.
  • a plurality of rollers 50 arranged in three rows, is rollably supported inside the frame 48 and projects slightly above the frame 48.
  • the rollers 50 are arranged with their axes of rotation transverse to the tracks 32, 40.
  • the planar top component 22 is slidably supported on the rollers 50 and can thus also slide in the direction of arrow 46.
  • the planar top component 22 may also slide in a direction opposite of arrow 46 as rollers 50 are free to rotate clockwise as well as counterclockwise.
  • the sheet material cutting table 10 may be used to service an incremental cutting press 52 and forms part of a sheet material cutting station 54. Eight sheet material cutting stations 54 are illustrated in FIG. 9.
  • the cutting press 52 is provided with a ball and roller conveyor 56 on two sides. Each conveyor 56 is serviced by four of the sheet material cutting stations 54.
  • the sheet material cutting tables 10 are arranged such that their table tops 18 can slide towards the conveyor 56 as indicated by the arrows 58, to reach the conveyor 56 (see FIGS. 5-7).
  • Each sheet material cutting station 54 includes a pair of overhead tracks 60.
  • Each pair of tracks 60 supports a beam 62 from which a tool rack 64 is suspended.
  • the beam 62 can travel along the tracks 60 in a direction parallel to the conveyor 56 as indicated by arrows 66.
  • the tool rack 64 is slidably suspended from the beam 62 to be able to travel in the direction of arrow 68. Therefore, the tool rack 64, by means of the tracks 60 and beam 62, is displaceable in an elevated horizontal plane between the tracks 60, as indicated by the arrows 66, 68.
  • the tool rack 64 is rotatably suspended from the beam 62 so that the tool rack 64 can rotate about a substantially vertical axis of rotation, as shown by arrow 70.
  • Each tool rack 64 includes a plurality of cutting die compartments defined by upwardly projecting pins 71.
  • Each compartment can hold a cutting die 74 on its side, as shown in FIG. 10.
  • a piece of sheet material (not shown) is stretched or thrown open on top of the planar work surface 24 of the planar top component 22.
  • the cutting dies 74 which typically vary in size and shape to correspond with the panels of vehicle upholstery, are arranged on top of the hide to cut desired pieces of leather from the hide.
  • the table top 18 has an outline which falls within a square, circle or another suitable shape. If the table top 18 has an outline which falls within a square, the sides mav ranee from ahout I R m tn chnnt i A m. On the other hand, if the table top 18 has an outline which falls within a circle, the diameter may range from about 2.5 m to 3.4 m. Therefore, as will thus be appreciated, it is not possible for a person standing on one side of the sheet material cutting table 10 to place a die on a portion of the hide near the other side of the sheet material cutting table 10. However, as the table top 18 is rotatable, it is not necessary for the person to walk around the sheet material cutting table 10. Instead, the person can remain stationary and simply rotate the table top 18 to place all of the cutting dies on the sheet material.
  • the sheet material may be any suitable material such as leather, fabric, textile material or the like. More particularly, the sheet material may be automotive leather.
  • the cutting dies 74 are removed from the tool rack 64 and placed on the sheet material. As the tool rack 64 is rotatable about a vertical axis of rotation, and displaceable to any position in the immediate vicinity of the sheet material cutting table 10, placement of the cutting dies 74 is facilitated. As a result of the tool rack 64 and the rotatable sheet material cutting table 10, far less walking is required to place the cutting dies 74 on the sheet material allowing the cutting dies 74 to be placed much quicker compared to a conventional apparatus. [0031] Once all of the required cutting dies 74 have been placed on the sheet material, the table top 18 is rotated such that it can be slid in the direction of the arrow 58 (see FIG. 9) and the table top 18 is slidably displaced to be closer to the conveyor 56. This situation is illustrated by the leather cutting station 54a in FIG. 9 and in FIG. 6.
  • planar top component 22 is then slidably pulled or pushed from the support formation 20 and onto the conveyor 56, from where it is moved by hand into the cutting press 52, as shown by arrows 72.
  • the support formation 20 and the conveyor 56 are at the same height.
  • the planar top component 22 is removed from the cutting press 52, moved again by hand over the conveyor 56 and slid onto the support formation 20.
  • the table top 18 is then pushed or pulled away from the conveyor 56, as shown in FIG. 8, to be centrally located over its base 12.
  • the cutting dies 74 are then removed from the top component 22 and replaced in the tool rack 64 and the leather pieces are removed and placed on an inspection table 80. Thereafter, the process is repeated for the next piece of sheet material.
  • each sheet material cutting station 54 also includes an inspection table 80 to inspect cut pieces of the sheet material.
  • the inspection table 80 comprises a framework 82.
  • Two cross-pieces 86 are rotatably supported by the framework 82.
  • Each cross-piece 86 comprises a pair of beams 88 arraneed at nernenrliV.niar an ⁇ ipo
  • a triangular suspension formation 90 is rotatably attached.
  • a table top 92 is supported.
  • Tests have determined that a two-man team is capable of providing 130 m 2 of cut leather at a yield of 66.4 % using a conventional non-rotatable leather cutting table and a stationary tool rack during a 7.5 hour shift.
  • the two-man team can provide 170 m 2 of cut leather at a yield of 66.59 % during a normal 7.5 hour shift.
  • the inspection table 80 it is possible to save up to about 33 % in work space required for each leather cutting station.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Control Of Cutting Processes (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Details Of Cutting Devices (AREA)

Abstract

Selon l'invention, une table de taille de matériau en feuille comprend une base constituée d'un pied et d'une plaque tournante et un plateau de table monté rotatif sur la base afin de tourner autour d'un axe sensiblement vertical. Le plateau de table comprend une formation de support et un plateau plan définissant une surface de travail plane. La base et/ou le plateau de table comprennent un chemin de guidage et des éléments roulants conçus pour rouler le long du chemin de guidage, de façon que le plateau de table puisse être linéairement déplacé sur un plan horizontal par rapport à la base.
EP06736995A 2005-03-03 2006-03-03 Poste de taille du cuir a mouvement automatique Withdrawn EP1855849A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ZA200501844 2005-03-03
US11/364,844 US20060207444A1 (en) 2005-03-03 2006-02-28 Automotive leather cutting station
PCT/US2006/007765 WO2006094244A2 (fr) 2005-03-03 2006-03-03 Poste de taille du cuir a mouvement automatique

Publications (2)

Publication Number Publication Date
EP1855849A2 EP1855849A2 (fr) 2007-11-21
EP1855849A4 true EP1855849A4 (fr) 2009-04-29

Family

ID=36941883

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06736995A Withdrawn EP1855849A4 (fr) 2005-03-03 2006-03-03 Poste de taille du cuir a mouvement automatique

Country Status (4)

Country Link
EP (1) EP1855849A4 (fr)
AU (1) AU2006218412B2 (fr)
CA (1) CA2599994C (fr)
WO (1) WO2006094244A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20110128A1 (it) 2011-03-16 2012-09-17 Teseo Spa Macchina per il taglio di pellami
CN103725809A (zh) * 2013-12-26 2014-04-16 顺达（芜湖）汽车饰件有限公司 真皮方向盘的取皮装置
WO2023049335A1 (fr) * 2021-09-24 2023-03-30 T.A. Systems, Inc. Presse de coupe de matériau et procédé

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2865316A (en) * 1957-11-15 1958-12-23 Deltox Rug Company Work supporting and guiding device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295660A (en) * 1965-03-12 1967-01-03 Waldorf Paper Prod Co Pallet handling apparatus
FR1559750A (fr) * 1967-02-08 1969-03-14
JPS514307B1 (fr) * 1970-12-29 1976-02-10
GB1390455A (en) * 1971-03-19 1975-04-16 Amada Co Ltd Vertical band sawing machine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2865316A (en) * 1957-11-15 1958-12-23 Deltox Rug Company Work supporting and guiding device

Also Published As

Publication number Publication date
WO2006094244A2 (fr) 2006-09-08
WO2006094244A3 (fr) 2007-03-15
CA2599994C (fr) 2010-09-07
EP1855849A2 (fr) 2007-11-21
AU2006218412A1 (en) 2006-09-08
AU2006218412B2 (en) 2009-09-24
CA2599994A1 (fr) 2006-09-08

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