EP2425902B1 - Entstaubungsgerät - Google Patents

Entstaubungsgerät Download PDF

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Publication number
EP2425902B1
EP2425902B1 EP11191084A EP11191084A EP2425902B1 EP 2425902 B1 EP2425902 B1 EP 2425902B1 EP 11191084 A EP11191084 A EP 11191084A EP 11191084 A EP11191084 A EP 11191084A EP 2425902 B1 EP2425902 B1 EP 2425902B1
Authority
EP
European Patent Office
Prior art keywords
end edge
dust
jet nozzle
slit
air
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.)
Active
Application number
EP11191084A
Other languages
English (en)
French (fr)
Other versions
EP2425902A1 (de
Inventor
Hiroshi Uzawa
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.)
Shinko Co Ltd
Original Assignee
Shinko Co 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 Shinko Co Ltd filed Critical Shinko Co Ltd
Publication of EP2425902A1 publication Critical patent/EP2425902A1/de
Application granted granted Critical
Publication of EP2425902B1 publication Critical patent/EP2425902B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/24—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter
    • B26D1/245—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • B08B5/023—Cleaning travelling work
    • B08B5/026—Cleaning moving webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04—Cleaning by suction, with or without auxiliary action
    • B08B5/043—Cleaning travelling work
    • B08B5/046—Cleaning moving webs
    • 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
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B26D7/1854—Means for removing cut-out material or waste by non mechanical means by air under pressure
    • 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
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction

Definitions

  • This invention relates to a dust-removing apparatus, such as it is known from EP 1 674 398 A1 , upon which the preamble of claim 1 below is based.
  • a slitter apparatus 44 provided with a slitter blade 43 driven to rotate, is used to obtain belt bodies 42 by cutting base material (a continuous sheet of film, paper, etc.) 41 into a predetermined width.
  • the base material 41 runs continuously in an arrow R direction, and the base material 41 of several dekameters to several kilometers is continuously cut by plural slitter blades 43 fixed to a rotation shaft 45 driven to rotate (by a driving means not shown in Figures) with a predetermined interval.
  • the dust-removing apparatus described by the Javanese patent No. 2820599 can certainly remove dust put lightly on the surface of running sheet body and sheets. Especially, dust put lightly on flat and broad plane can be easily and certainly removed.
  • the slitter powder is stuck on the end edges of the slitter blades 43 and the belt bodies 42 relatively firmly. Secondly, it is quite difficult to efficiently suck complicated suction areas.
  • a slitter apparatus 2 provided with slitter blades 1, is shown as a concrete example to which a dust-removing apparatus of the present invention is applied.
  • Base material 3 such as plastic film, paper, cloth, etc. is cut with a predetermined width dimension by the plural slitter blades 1 to make belt-shaped continuous sheet bodies S.
  • the base material 3 is continuously conveyed (running) in a direction of an arrow R, the plural slitter blades 1 are fixed to a rotation shaft 4, driven to rotate by a driving means not shown in Figures, with a predetermined interval to continuously cut the base material having length of several dekameters to kilometers.
  • Slit powder is generated in the cutting process described above, and stuck to a peripheral end edge 11. of the slitter blade 1 and end edges 5 of the sheet body S. Dust such as the slit powder is removed by the dust-removing apparatus of the present invention having a dust-removing head 10.
  • the dust-removing head 10 disposed as to correspond to the slitter blade 1 drawn on an upper position of Figure 1 , is described. As shown in Figures 2 through 5B , a slit groove 7, through which the (rotating) peripheral end edge 11 of the slitter blade 1 is running, is formed on the above-mentioned dust-removing head 10.
  • a jet nozzle 12 to exhale air toward the running peripheral end edge 11 and a suction hole 14 to inhale the exhaled air are disposed on an inner face 7A of the slit groove 7 of the dust-removing head 10.
  • double-hatching represents air discharging ducts 21 and single-hatching represents air suction ducts 22.
  • the jet nozzle 12 is provided with a blade edge jet nozzle 12a formed toward a blade edge 8 of the peripheral end edge 11 of the slitter blade 1 and side jet nozzles 12b formed on the left and right sides of the peripheral end edge 11.
  • the blade edge jet nozzle 12a is connected to a middle one of the three air discharging ducts 21 parallel in Figure 3 , and formed as a small round hole smaller than the diameter of the middle air discharging duct 21 as to increase the flowing speed and let the air jet strongly hit the blade edge 8.
  • each of the upper and lower air discharging ducts 21. is communicatively connected to the side jet nozzle 12b in Figure 3 .
  • Each of the upper and lower air discharging ducts 21 in Figure 3 is a circular hole not opening on a forth end face 13A of a head body 13 and formed before the forth end face 13A for a predetermined dimension.
  • the upper and lower two closed end portions among the three air discharging ducts 21 are communicatively connected to the side jet nozzle 12b, and the side jet nozzle 12b opens on the side face of the inner face 7A of the slit groove 7 (upper and lower faces shown in Figures 3 , 5A, and 5B ) to jet air toward the peripheral end edge 11 of the slitter blade 1.
  • the side jet nozzle 12b is formed as a straight slit hole corresponding to a radial line (diameter line) 15 on an axis point 0 1 when observed in a direction of an axis L 1 of the slitter blade 1. Then, the side jet nozzle 12b as a straight slit hole is formed in a direction at right angles with the both side faces of the inner face 7A of the slit groove 7 (refer to Figures 4A and 4B ).
  • one unit of the suction hole 14, the jet nozzle 12, and another unit of the suction hole 14 are serially disposed from a slit upstream end 7B, where the slitter blade 1 rotating in an arrow C direction intrudes to the slit groove 7, toward a slit downstream end 7C where the slitter blade 1 goes out of the slit groove 7.
  • the suction holes 14 are disposed on a bottom face of the inner face 7A of the slit groove 7.
  • the head body 13 is a short cylinder of which diameter is decreasing approximately or gradually toward the forth end side in Figures, a connection plug for suction air piping is screwed to a tapped hole 16 on a base end face 13B, and the tapped hole 16 is communicatively connected to the air suction ducts 22 composed of two parallel circular through holes.
  • Figures 5A and 5B are enlarged cross sectional views at E-E line in Figure 4A .
  • Figure 5A shows a case in which the side jet nozzles 12b as a straight slit blow the air from the side faces 7A of the slit groove 7 (upper and lower faces in Figure 5A ) in directions at right angles with the radial line 15.
  • Figure 5B shows a case in which the side jet nozzles 12b as a straight slit blow the air from the side faces 7A of the slit groove 7 in oblique directions (especially toward the inner portion of the slit).
  • Figures 6 and 7 showing the dust-removing head 10 applied to a lower half of Figure 1 , correspond to Figures 2 and 3 .
  • a jet nozzle 12 to exhale air toward the running work end edge 5 and a suction hole 14 to inhale the air exhaled from the jet nozzle 12 are disposed on an inner face 7A of the slit groove 7 of the dust-removing head 10.
  • the jet nozzle 12 is provided with a far end edge jet nozzle 12c formed toward a far end edge portion 5A of the end edge 5 of the work W and obverse and reverse jet nozzles 12d.
  • the jet nozzle 12 is composed of three nozzles.
  • a unit of the suction hole 14, the jet nozzle 12, and another unit of the suction hole 14 are serially disposed from a slit upstream end 7B, where the end edge 5 of the work W intrudes to the slit groove 7, toward a slit downstream end 7C where the end edge 5 goes out of the slit groove 7.
  • the obverse and reverse jet nozzles 12d are formed into a straight slit hole at right angles with the far end edge portion 5A when observed in a direction at right angles with the work W as shown in Figure 6 .
  • a mark 17 represents a joint for discharge air piping to which a discharge air piping, not shown in Figures, is connected.
  • the joint 17 is screwed to a tapped hole 18 on the peripheral face of the head body 13, and communicatively connected to three air discharging ducts in longitudinal direction through crossing two side holes 19 and 20.
  • separated rectangular sheet pieces namely, leaf bodies may be inserted to the slit groove 7 of the dust-removing head 10 of the present invention to remove dust on the end edges (sides) of the leaf bodies (not shown in Figures).
  • Figures 5A and 5B can be applied to the embodiment shown in Figures 6 and 7 .
  • Figures 8A and 8B are explanatory views in which the slit groove 7 is drawn into a perspective view with solid lines, and the jet and suction of the air are simply shown with arrows.
  • an arrow F shows the air jet direction from the blade edge jet nozzle 12a or the far end edge jet nozzle 12c
  • arrows G show the air jet directions from the side jet nozzles 12b or the obverse and reverse jet nozzles 12d.
  • the arrows G show the oblique jet to the inner side of the slit groove 7
  • arrows H show the air suction direction by the suction holes 14.
  • Figure 9A, 9B, and 9C respectively show other embodiments showing that the present invention, not restricted to Figures 8A and 8B , may be modified. That is to say, Figure 9A shows that air may be sucked by the side faces of the slit groove 7 in directions of arrows H1 and H2 other than the arrows F, G, and H in Figures 8A and 8B .
  • Figure 9B shows that the air may be sucked, different from Figure 8B , on a center position of the innermost face of the slit groove 7 in an arrow H0 direction and jetted from the both end sides as shown with arrows F1 and F2 which are preferably oblique.
  • the side faces are similar to that of Figure 9A .
  • Figure 9C shows that plural air jets F3 and plural suctions H3 are conducted to exemplify that air jets and suctions can be freely increased. And, on the side faces of the slit groove 7, the air may be jetted from the end portions as shown with arrows G3 and G4, and sucked on the center as shown with arrows H4. That is to say, Figure 9B and Figure 9C conduct suction and jet on opposite positions each other on the side faces.
  • the dust-removing head 10 has been mainly described above because the principal portion of the present invention is the dust-removing head 10, the dust-removing apparatus of the present invention is, other than the dust-removing head 10, composed by adding pipings, a blower unit, a suction device, valves, etc. not shown in Figures.
  • the present invention can remove relatively firmly stuck dust such as slitter powder and resolve the problem of dust scattering toward outside because the dust-removing head 10, having the slit groove 7 in which the peripheral end edge 11 of the slitter blade 1 runs through, is provided, and the jet nozzle 12 for jetting air toward the running peripheral end edge 11 and the suction hole 14 to suck the air jetted out of the jet nozzle 12 are disposed on the inner face 7A of the slit groove 7 of the dust-removing head 10.
  • the dust relatively firmly stuck to the end edge 5 of the continuous sheet body S or leaf bodies can be certainly and efficiently removed, and environment can be kept clean without dust scattering toward outside (re-stuck can be prevented) because the dust-removing head 10, having the slit groove 7 in which the end edge 5 of work W composed of the continuous sheet body S or leaf bodies passes through, is provided, and the jet nozzle 12 for jetting air toward the passing end edge 5 and the suction hole 14 to suck the air jetted out of the jet nozzle 12 are disposed on the inner face 7A of the slit groove 7 of the dust-Tremoving head 10.
  • the peripheral end edge 11 of the slitter blade 1 can be certainly and swiftly made clean because the jet nozzle 12 is provided with the blade edge jet nozzle 12a disposed toward the blade edge 8 of the peripheral end edge 11 of the slitter blade 1, and the side jet nozzles 12b each of which is disposed respectively on the left side and the right side of the peripheral end edge 11. Especially, even slitter powder firmly stuck to the blade edge 8 can be certainly removed.
  • the jet nozzle 12 is provided with the far end edge jet nozzle 12c disposed toward the far end edge portion 5A of the end edge 5 of the work W and the obverse and reverse jet nozzles 12d each of which is disposed respectively toward the obverse face and the reverse face of the end edge 5.
  • the dust is prevented from being blown by the air jet from the jet nozzle 12 and scattered toward outside because one unit of the suction hole 14, the jet nozzle 12, and another unit of the suction hole 14 are serially disposed from the slit upstream end 7B, where the rotating slitter blade 1 intrudes to the slit groove 7, to the slit downstream end 7C, where the slitter blade 1 goes out of the slit groove 7.
  • the dust is prevented from being blown by the air jet from the jet nozzle 12 and scattered toward outside because one unit of the suction hole 14, the jet nozzle 12, and another unit of the suction hole 14 are serially disposed from the slit upstream end 7B, where the running end edge 5 of the work W intrudes to the slit groove 7, to the slit downstream end 7C, where the end edge 5 goes out of the slit groove 7.
  • the air is blown to the splitter blade 1 with strong pressure to easily and efficiently remove the dust on areas of relatively broad width because the side nozzles 12b form the straight slit hole corresponding to the radial line 15 on the axis point 0 1 when observed in the direction of the axis L1 of the slitter blade 1.
  • the air is blown to the slitter blade 1 with strong pressure to easily and efficiently remove the dust on areas of relatively broad width because the obverse and reverse jet nozzles 12d form the straight slit hole at right angles with the far end edge portion 5A when observed in the direction at right angles with the work W.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Cleaning In General (AREA)

Claims (2)

  1. Staubentfernungsgerät mit einem Aufbau in dem
    ein Staubentfernungskopf (10), der eine Schlitznut (7) aufweist, die ausgeführt ist, um eine Endkante (5) des Erzeugnisses (W) bestehend aus einem ununterbrochenen Bandkörper (S) aufzunehmen, vorgesehen ist, und weiter aufweisend
    eine Strahldüse (12), die ausgeführt ist, um Luft entgegen der passierenden Endkante (5) auszustoßen, dadurch gekennzeichnet dass die Strahldüse (12) und Ansauglöcher (14) an einer inneren Fläche (7A) der Schlitznut (7) des Staubentfernungskopfes (10) angeordnet sind, um die Luft, die aus der Strahldüse (12) ausgestoßen wurde, anzusaugen, wobei
    die Strahldüse (12) mit einer Strahldüse am entfernt gelegenen Endrand (12c) versehen ist, die verfügbar entgegen eines Abschnittes am entfernt gelegenen Endrand (5A) der Endkante (5) des Erzeugnisses (W) ist, und mit Vorder- und Rückstrahldüsen (12d) vorgesehen ist, wobei jede dieser jeweils an einer Vorder- und Rückfläche der Endkante (5) verfügbar ist, und
    eines der Ansauglöcher (14), die Strahldüse (12) und ein weiteres der Ansauglöcher (14) in Serie an einem zulaufseitigen Schlitzende (7B), wo die passierende Endkante (5) des Erzeugnisses (W) in die Schlitznut (7) eindringt, zu einem ablaufseitigen Ende (7C), wo die Endkante (5) die Schlitznut (7) verlässt, angeordnet sind.
  2. Staubentfernungsgerät gemäß Anspruch 1, wobei die Vorder- und Rückstrahldüsen (12d) dazu ausgestaltet sind, um ein gerades Schlitzloch, rechtwinklig zu dem entfernt gelegenen Endrand (5A), aus einer Richtung rechtwinklig zu dem Erzeugnis (W) betrachtet, zu bilden.
EP11191084A 2009-10-16 2009-10-16 Entstaubungsgerät Active EP2425902B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09013098A EP2311580B1 (de) 2009-10-16 2009-10-16 Staubentfernungsvorrichtung

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP09013098.0 Division 2009-10-16

Publications (2)

Publication Number Publication Date
EP2425902A1 EP2425902A1 (de) 2012-03-07
EP2425902B1 true EP2425902B1 (de) 2013-01-16

Family

ID=41786252

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09013098A Active EP2311580B1 (de) 2009-10-16 2009-10-16 Staubentfernungsvorrichtung
EP11191084A Active EP2425902B1 (de) 2009-10-16 2009-10-16 Entstaubungsgerät

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP09013098A Active EP2311580B1 (de) 2009-10-16 2009-10-16 Staubentfernungsvorrichtung

Country Status (1)

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EP (2) EP2311580B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE1000456A1 (sv) * 2010-05-05 2011-11-06 Tetra Laval Holdings & Finance Dust removing web guide
TWI503184B (zh) * 2013-09-04 2015-10-11 All Ring Tech Co Ltd Dispenser and its material inspection of dust removal method
CN110434903B (zh) * 2019-09-12 2020-11-06 烟台大学 一种塑性材料分割装置
CN112170390B (zh) * 2020-09-25 2023-07-07 青岛海鼎通讯技术有限公司 一种手机后盖板背面清洗机
CN112223397A (zh) * 2020-10-15 2021-01-15 南京棠安电子商务有限公司 一种基于智能制造的电话机按键雕刻固定装置
CN114833475A (zh) * 2022-04-25 2022-08-02 深圳市镭沃自动化科技有限公司 一种激光设备的除尘装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2163687A (en) * 1938-01-10 1939-06-27 Bucyrus Monighan Company Cutting
US3460418A (en) * 1967-09-05 1969-08-12 Philip Morris Inc Cleaner device for cleaning residue from the cutting edge of a rotary disc type cutter
CH458680A (de) * 1967-09-08 1968-06-30 Kaelin Erich Verfahren und Einrichtung zum kontinuierlichen Entstauben von Materialbahnen
JP2820599B2 (ja) 1993-08-31 1998-11-05 株式会社伸興 除塵装置
DE19519544C2 (de) * 1995-05-27 1999-08-19 Sundwig Gmbh Vorrichtung zum Entfernen von Flüssigkeit von der Oberfläche eines Bandes
SE523995C2 (sv) * 2002-11-07 2004-06-15 Tetra Laval Holdings & Finance Anordning för styrning av en bana av förpackningsmaterial samt sätt att avlägsna damm
ES2354272T3 (es) * 2004-12-23 2011-03-11 TETRA LAVAL HOLDINGS & FINANCE SA Máquina para envasar productos alimenticios vertibles.

Also Published As

Publication number Publication date
EP2311580A1 (de) 2011-04-20
EP2425902A1 (de) 2012-03-07
EP2311580B1 (de) 2012-08-08

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