EP0006009A1 - Verfahren und Vorrichtung zum Zertrennen eines fortlaufenden Bandes - Google Patents

Verfahren und Vorrichtung zum Zertrennen eines fortlaufenden Bandes Download PDF

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Publication number
EP0006009A1
EP0006009A1 EP79301006A EP79301006A EP0006009A1 EP 0006009 A1 EP0006009 A1 EP 0006009A1 EP 79301006 A EP79301006 A EP 79301006A EP 79301006 A EP79301006 A EP 79301006A EP 0006009 A1 EP0006009 A1 EP 0006009A1
Authority
EP
European Patent Office
Prior art keywords
clamp
severing
knife
equipment
members
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Withdrawn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
EP79301006A
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English (en)
French (fr)
Inventor
Frederick John Doyle
Leonard Thomas Frank Bryan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0006009A1 publication Critical patent/EP0006009A1/de
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
    • D06H7/02—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials transversely
    • 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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/38—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with means operable by the moving work to initiate the cutting action
    • 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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/42—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between work feed and clamp
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B13/00—Machines for sewing sacks
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2503/00—Domestic or personal
    • D10B2503/06—Bed linen

Definitions

  • This invention relates to the severing of a predetermined unit length of material from a continuous web, to the further progressing of such unit length in any desired folded or unfolded condition to a subsequent work station and to stacking of unfolded lengths in an accurate stack.
  • the present invention sets out to overcome these problems, by recognising that the necessary fabric tension for further manipulation, especially folding, can be used to set up the fabric for cutting.
  • the present invention consists in equipment for severing lengths of sheet material from a continuous web comprising: a feed mechanism for material; means for detecting when a progressing leading edge of material reaches a predetermed position, and stopping feed of material, when the said leading edge reaches the said position; a clamp located to grip said material at or near the said position; tensioning and folding means which draw out further material when the feed mechanism is stopped, located between the feed mechanism and the said clamp; and severing equipment located between the feed mechanism and the tensioning and folding means to define both a new leading edge on the web and a rearward edge on the cut piece, said severing equipment being being associated with further clamp means at or near the new rearward edge.
  • the feed mechanism comprises a pair of rollers one of which is movable towards or away from the other, in one case defining a nip through which material is fed and in the other permitting free passage of material.
  • mutually engageable and disengageable clamping belts could be used.
  • the means for detecting a progressive leading edge of material is a photo-electric cell and associated light source, but a timer or revolution-counter on the drive roller or even 3 micro switch could be used.
  • the tensioning means is a bar transverse to the web which, after the leading edge-clamp-is actuated is movable through the plane of the web to-pull through the disengaged rollers of the feed mechanism a predetermined length of material and hold it in a folded condition.
  • a tensioning bar is preferably movable thereafter a further distance to progress or manipulate the cut length.
  • the severing means may take various knife, guillotine or other forms as described below.
  • it comprises a band knife or reciprocating knife with a transverse cutting flight at least substantially parallel to and spaced from the surface of the tensioned material, and usually with elongate transverse additional clamp members movable to bring the material face on to the band knife cutting flight and thereby sever it.
  • a specific form of such severing means can be defined as a device for transversely severing a tensioned length of sheet material comprising: a knife with a transversely movable transverse cutting flight at least substantially parallel to a surface of the tensioned length, two first elongate clamp members each parallel and spaced from said flight at one side of the sheet material, one or more resilient biassing means which urge the first clamp members to an inoperative location whereat a clamping surface is forward of the knife edge, two second parallel elongate clamp members at the other side of the sheet each parallel to and located to cooperate with one of the first such members against the acting of the resilient biassing means, and means for providing progressive movement of the said second clamping members towards the first clamp members and displacement of the first clamp members so that the sheet material contacts the knife blade and is severed by its transverse movement.
  • each clamp member has a clamp surface parallel to the path of the sheet material, and in which the resilient biassing means is behind the first clamping members in relation to the sheet material whereby progressive movement of the said second clamp members towards the first clamp members presses the first clamp member surface back past the knife cutting edge to sever the sheet material.
  • each outer edge of either the first or the second elongate clamp member can possess a elongate projecting rib to fit outside the cooperating clamp member and thereby improve the grip of the clamps on the cloth and increase the tension in the immediate vicinity of the band knife.
  • While the invention is primarily concerned with the whole equipment, preferably when comprising a severing device as set forth immediately above, it also extends to such severing devices per se.
  • the equipment as described above is suitable for use in a line for producing from a continuous web a folded and side-sewn bag or a unit length of material, said line comprising the combination of equipment as described above with a moving table and transverse feed. rollers therefor: wherein the said transverse bar holding the material in folded condition after severing is movable by a further amount to present the fold or an edge.to the nip between the said feed rollers.
  • Figure 1 can be best considered, in the example, as a vertical sequence of five sub-assemblies each at some point exhibiting a clearance for a vertical length of fabric, the sequence at least at the beginning of a cycle having all the various such clearances vertically aligned.
  • the sub-assemblies are a feed mechanism generally indicated at 1, a severing means indicated at 2, a folding mechanism indicated at 3, which governs the predetermined length to be separated from the web, a clamping arrangement 4 for the free end of the web, and a photo-electric limit switch arrangement 5.
  • the feed mechanism 1 consists in its turn of a feed roller 6 from which a length of material 7 is passed between parallel roller 8 and into the clearance between this roller 8 and roller 9, which is held at the end of arm 10 capable of longitudinal movement by virtue of pneumatic cylinder 7.
  • a typical severing means 2 is shown in Figures 2a, 2b and 2c by way of example only.
  • any severing means 12 can in theory be used, provided that it is used in conjunction with clamping members 13 and 14, for reasons discussed in more detail below.
  • shearing members two-bladed scissors, knives, guillotines
  • other cutting expedients hot wire, laser cutting
  • the folding mechanism 3 consists of a direction- change roller 19, a bar 20, and a receiving tray 21. At the end of the receiving tray are pick-up rollers 22 and 23, roller 23 being located within an endless belt arrangement 24 also passing over roller 25 and moving in the sense shown by the arrow.
  • the clamping arrangement 4 is a straightforward pair of clamp members 26 and 27, one of which is mounted on an arm 28 actuated by pneumatic cylinder 29 as required.
  • the photo-electic limit switch arrangement 5 is similarly straightforward and comprises a light source 30 and a photo-electric cell 31.
  • FIG. 1 The arrangement of Figure 1 operates as follows. Firstly, rollers 8 and 9 are engaged to define a-nip. A length of material (for example cotton fabric printed with suitable panels for making pillow cases) is unrolled from roll 6 through this nip to move progressively downwards through the common vertical clearance between the various component parts. When the leading edge reaches the photo-electric cell 31, conventional electrical circuitry (not shown) actuates pneumatic cylinder 29 to close clamps 26 and 27 and actuates cylinder 11 to open apart rollers 8 and 9. Immediately, thereafter such circuitry actuates the mechanism of bar 20 to draw a double layer of cloth over table 21, around the end of the table and around roller 19.
  • conventional electrical circuitry (not shown) actuates pneumatic cylinder 29 to close clamps 26 and 27 and actuates cylinder 11 to open apart rollers 8 and 9.
  • the feed roller 5 receives a stop signal and for example the roller 9 is actuated by its pneumatic cylinders 11 against roller 8, this time to brake the fabric.
  • the roller 9 is actuated by its pneumatic cylinders 11 against roller 8, this time to brake the fabric.
  • the clamping members 13, 14 are operated.
  • the knife 12 is moved through the fabric and severs a predetermined length so that a clean cut is obtained.
  • the clamping function of roller 9 could be replaced by a separate clamp, or the embodiment described below, having a clamp portion unified with clamps 13, 14.
  • the cut unit length is still held between clamps 26 and 27 at one end and between clamping bars 13 and 14 at the other end.
  • the various clamps can be released and bar 20 allowed to continue its travel in the same direction so that the folded edge is presented to the rollers 22 and 23.
  • the folded unit length of material passes along the convenyor belt system 24 for a further processing as discussed below.
  • any one of the unit components 1 to 5 can be reversed in relation to the others, and it is not strictly necessary (although advantageous) to have a vertical clearance to feed the length of fabric.
  • the design of the clamping and cutting mechanism can be modified as described in more detail below.
  • suitable adjustment of the operating cycle, and of the dimensions of the equipment it is possible when progressing the cut and folded lengths, to release one clamp set e.g. 26/27 or 13/14 at a different line from the other, or otherwise progress the bar 20 so far that the fold disappears and only a free edge of the length is presented to the rollers for onward progressing.
  • any intermediate distance of fold can also be accommodated.
  • a further advantageous feature of the machine is that it can cut and lay unit lengths of material, in a stack of single thicknesses either way up. Moreover, the laying on of each unit to the stack is highly accurate and takes place by an "unrolling" of the initial fold around bar 20, which does not disturb the position of the underlying stack members.
  • the equipment of the invention can cut-and-forward single thicknesses, either way up, or with a fold at any intermediate distance, or can cut-and- aly single thicknesses either way up.
  • This further embodiment occupies exactly the same position as a severing means 2 as shown in Figure 1. It possesses a clamping bar 32, in this instance shown as a unitary bar with a recess 33 to receive a band knife flight 34. This bar is resiliently biassed by a spring 35. It is opposed by a second clamping bar 36 attached by rod 37 to a pneumatic cylinder (not shown). The clamping bar 36 has central recess 37 as before and in this embodiment possesses forwardly projecting integral ribs 39 as shown.
  • clamping portions 33a/38a are equivalent in performance to clamps 13 and 14; clamping portions 33b and 38b are similarly equivalent to the clamped form of rollers 8 and 9, or to any separate clamp replacement for these as discussed above.
  • Figure 2a shows the device prior to operation of the cycle with a length of fabric stretching between the two clamping bars.
  • Figure 2b shows the device partway through its closure, where the ribs 39 have trapped a short length of fabric to either side of the clamping bar, so as to increase the localised tension in the region of the knife. This increase of localised tension improves the accuracy of cutting.
  • Figure 2c shows the improved embodiment immediately after the length of fabric is cut.
  • the lower rib 39 gives an increased grip upon the edge of the fabric while the further progressing and folding arrangements of bar 20 are carried out.
  • the bank knife can be replaced by a reciprocating knife if desired.
  • the band knife is shown in the drawing as having its cutting edge parallel to the length of the material, there is no reason why the edge should not be positioned at a small angle to this face, since the essential operating characteristics of the equipment are still preserved. In such an instance the cut will progress very quickly from one edge of the material to the other. Perhaps more importantly, it is also not essential that the cut be exactly 90° transverse to the length of material.
  • an advantage of the invention is that the elliptical band knife can be adjusted to cut at an angle, or even along a curved line. This is sometimes necessary for certain types of printed material which, either by design or by progressive distortion during printing, do not present a straight 90° transverse edge in their printed pattern.
  • Figure 3 shows in a highly schematic form a whole arrangement for making bag-like shapes.
  • the automatic cutting arrangement is shown at the righthand side of the Figure in relation to the path of travel of an elliptical band knife.
  • the cut and folded lengths of material, as described, are fed between rollers 22 and 23 on to endless belt 24, and on this belt their side edges are sewn together by sewing means 53 so as to produce an open-ended sack shape.
  • This passes with the folded side foremost to counting and weighing station 54 which can be for example a rotating weigher/counter, and eventually forward to their forward to their finishing operations.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP79301006A 1978-05-31 1979-05-30 Verfahren und Vorrichtung zum Zertrennen eines fortlaufenden Bandes Withdrawn EP0006009A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2498878 1978-05-31
GB2498878 1978-05-31

Publications (1)

Publication Number Publication Date
EP0006009A1 true EP0006009A1 (de) 1979-12-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP79301006A Withdrawn EP0006009A1 (de) 1978-05-31 1979-05-30 Verfahren und Vorrichtung zum Zertrennen eines fortlaufenden Bandes

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0063937A2 (de) * 1981-04-23 1982-11-03 Glencryan Design Limited Schneidevorrichtung
EP0070881A1 (de) * 1981-02-04 1983-02-09 Draper Lab Charles S System und verfahren zur herstellung genähter artikel.
EP0105748A1 (de) * 1982-10-01 1984-04-18 WM. R. STEWART & SONS (HACKLEMAKERS) LIMITED Schneidvorrichtung
FR2549504A1 (fr) * 1983-07-19 1985-01-25 Draper Lab Charles S Systeme pour assembler par couture des parties d'une bande de tissu
EP0322644A2 (de) * 1987-12-24 1989-07-05 Krauss u. Reichert GmbH + Co. KG Spezialmaschinenfabrik Verfahren und Stofflegemaschine zum genauen Positionieren einer Vorderkante einer Stoffbahn
EP0483728A1 (de) * 1990-10-29 1992-05-06 Dayco PTI S.p.A. Verfahren und Vorrichtung zum Herstellen von Textilschläuchen
CN102321965A (zh) * 2011-07-14 2012-01-18 际华三五零六纺织服装有限公司 卷带自动快速切断装置
CN105383991A (zh) * 2015-12-28 2016-03-09 苏州长晟无纺科技有限公司 纺织背胶线
CN105442221A (zh) * 2015-12-28 2016-03-30 苏州长晟无纺科技有限公司 新型纺织背胶线
CN107244464A (zh) * 2017-07-31 2017-10-13 广州米贺智能科技有限公司 一种布料裁切输送装置及多类型包装一体机
CN108149470A (zh) * 2017-12-30 2018-06-12 李存奎 一种垂直断布机
CN109202981A (zh) * 2018-08-03 2019-01-15 陈莉莉 一种可对纺织布进行固定裁剪的切割装置
CN109518443A (zh) * 2017-09-20 2019-03-26 彭左 一种新型围巾裁剪机红外感控切割机构
CN112722972A (zh) * 2020-12-18 2021-04-30 鹤山市宏德利塑胶有限公司 一种薄型塑料膜分切机及分切方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3227118A (en) * 1963-11-21 1966-01-04 Riegel Textile Corp Mechanism and method for automatically producing pillow cases, bags, and the like
US3227119A (en) * 1964-10-30 1966-01-04 Riegel Textile Corp Mechanism for automatically producing pillow cases, bags, and the like
DE1267524B (de) * 1959-05-02 1968-05-02 Spinnerei Und Webereien Zell S Maschine zur Herstellung von sackfoermigen Stoffgebilden
US3477397A (en) * 1967-10-20 1969-11-11 Wagner Research Corp Flat article processing apparatus having a common blank supply feeding a plurality of worklines
US3489113A (en) * 1968-05-13 1970-01-13 Wagner Research Corp Flat article processing apparatus
DE1485268B2 (de) * 1963-05-31 1973-05-24 GM Pfaff AG, 6750 Kaiserslautern Verfahren zum herstellen von textilen gebilden aus einer endlosen stoffbahn und einrichtungen zur durchfuehrung des verfahrens
DE7502675U (de) * 1975-01-30 1976-08-05 Jentsch, Hans G., 4300 Essen Geraet zur kanten- und vorschubsteuerung einer folienbahn bei deren falzen um eine zur vorschubrichtung parallele achse und zufuehrung zu einer verarbeitungsstation

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1267524B (de) * 1959-05-02 1968-05-02 Spinnerei Und Webereien Zell S Maschine zur Herstellung von sackfoermigen Stoffgebilden
DE1485268B2 (de) * 1963-05-31 1973-05-24 GM Pfaff AG, 6750 Kaiserslautern Verfahren zum herstellen von textilen gebilden aus einer endlosen stoffbahn und einrichtungen zur durchfuehrung des verfahrens
US3227118A (en) * 1963-11-21 1966-01-04 Riegel Textile Corp Mechanism and method for automatically producing pillow cases, bags, and the like
US3227119A (en) * 1964-10-30 1966-01-04 Riegel Textile Corp Mechanism for automatically producing pillow cases, bags, and the like
US3477397A (en) * 1967-10-20 1969-11-11 Wagner Research Corp Flat article processing apparatus having a common blank supply feeding a plurality of worklines
US3489113A (en) * 1968-05-13 1970-01-13 Wagner Research Corp Flat article processing apparatus
DE7502675U (de) * 1975-01-30 1976-08-05 Jentsch, Hans G., 4300 Essen Geraet zur kanten- und vorschubsteuerung einer folienbahn bei deren falzen um eine zur vorschubrichtung parallele achse und zufuehrung zu einer verarbeitungsstation

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070881A1 (de) * 1981-02-04 1983-02-09 Draper Lab Charles S System und verfahren zur herstellung genähter artikel.
EP0070881A4 (de) * 1981-02-04 1985-10-01 Draper Lab Charles S System und verfahren zur herstellung genähter artikel.
EP0063937A2 (de) * 1981-04-23 1982-11-03 Glencryan Design Limited Schneidevorrichtung
EP0063937A3 (de) * 1981-04-23 1982-12-01 Glencryan Design Limited Schneidevorrichtung
EP0105748A1 (de) * 1982-10-01 1984-04-18 WM. R. STEWART & SONS (HACKLEMAKERS) LIMITED Schneidvorrichtung
FR2549504A1 (fr) * 1983-07-19 1985-01-25 Draper Lab Charles S Systeme pour assembler par couture des parties d'une bande de tissu
EP0322644A2 (de) * 1987-12-24 1989-07-05 Krauss u. Reichert GmbH + Co. KG Spezialmaschinenfabrik Verfahren und Stofflegemaschine zum genauen Positionieren einer Vorderkante einer Stoffbahn
EP0322644A3 (en) * 1987-12-24 1990-04-18 Krauss U. Reichert Gmbh + Co. Kg Spezialmaschinenfabrik Process and fabric plaiting machine for accurately positioning the leading edge of a web-like fabric
US4946150A (en) * 1987-12-24 1990-08-07 Krauss U. Reichert Gmbh & Co. Method and fabric laying machine for exact positioning of a leading edge of a fabric web
US5255619A (en) * 1990-10-29 1993-10-26 Pirelli Trasmissioni Industriale S.P.A. Process for making looped textile sleeves having transverse seams for driving belts
EP0483728A1 (de) * 1990-10-29 1992-05-06 Dayco PTI S.p.A. Verfahren und Vorrichtung zum Herstellen von Textilschläuchen
CN102321965A (zh) * 2011-07-14 2012-01-18 际华三五零六纺织服装有限公司 卷带自动快速切断装置
CN102321965B (zh) * 2011-07-14 2013-11-06 际华三五零六纺织服装有限公司 卷带自动快速切断装置
CN105383991A (zh) * 2015-12-28 2016-03-09 苏州长晟无纺科技有限公司 纺织背胶线
CN105442221A (zh) * 2015-12-28 2016-03-30 苏州长晟无纺科技有限公司 新型纺织背胶线
CN107244464A (zh) * 2017-07-31 2017-10-13 广州米贺智能科技有限公司 一种布料裁切输送装置及多类型包装一体机
CN109518443A (zh) * 2017-09-20 2019-03-26 彭左 一种新型围巾裁剪机红外感控切割机构
CN108149470A (zh) * 2017-12-30 2018-06-12 李存奎 一种垂直断布机
CN109202981A (zh) * 2018-08-03 2019-01-15 陈莉莉 一种可对纺织布进行固定裁剪的切割装置
CN112722972A (zh) * 2020-12-18 2021-04-30 鹤山市宏德利塑胶有限公司 一种薄型塑料膜分切机及分切方法

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Inventor name: DOYLE, FREDERICK JOHN

Inventor name: BRYAN, LEONARD THOMAS FRANK