PL80862B1 - - Google Patents

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Publication number
PL80862B1
PL80862B1 PL1970138764A PL13876470A PL80862B1 PL 80862 B1 PL80862 B1 PL 80862B1 PL 1970138764 A PL1970138764 A PL 1970138764A PL 13876470 A PL13876470 A PL 13876470A PL 80862 B1 PL80862 B1 PL 80862B1
Authority
PL
Poland
Prior art keywords
sheet
air
holes
suction
blowing
Prior art date
Application number
PL1970138764A
Other languages
Polish (pl)
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.)
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Publication date
Application filed filed Critical
Publication of PL80862B1 publication Critical patent/PL80862B1/pl

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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06GMECHANICAL OR PRESSURE CLEANING OF CARPETS, RUGS, SACKS, HIDES, OR OTHER SKIN OR TEXTILE ARTICLES OR FABRICS; TURNING INSIDE-OUT FLEXIBLE TUBULAR OR OTHER HOLLOW ARTICLES
    • D06G1/00Beating, brushing, or otherwise mechanically cleaning or pressure cleaning carpets, rugs, sacks, hides, or other skin or textile articles or fabrics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04Cleaning by suction, with or without auxiliary action
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F23/00Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/002Devices for treating the surfaces of sheets, webs, or other articles in connection with printing cleaning devices for sheets or webs
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00Dryer section of machines for making continuous webs of paper

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Cleaning In General (AREA)
  • Electrotherapy Devices (AREA)
  • Exchange Systems With Centralized Control (AREA)

Description

Urzadzenie do odsysania pylu Przedmiotem wynalazku jest urzadzenie do odsysania pylu z materialu arkuszowego lub tkanin, na przyklad z czulego na dotkniecie arkusza papieru, przez równoczesne nadmuchiwanie i odsysanie powietrza w poblizu powierzchni arkusza. Podczas przemyslowej obróbki materialu arkuszowego, na przyklad na krajar¬ kach, maszynach drukarskich i przewijarkach papieru wynikaja trudnosci skutkiem tworzenia sie pylu na po* wierzchni.Wspomniane tworzenie sie pylu zmniejsza jakosc wyrobu i w pewnych warunkach powoduje zaklócenia w ciaglej obróbce materialu. Dlatego okazalo sie koniecznym usuwanie pylu za pomoca specjalnych urza¬ dzen.Czyniono próby z zastosowaniem urzadzen do odsysania kurzu z arkusza poruszajacego sie w sposób ciagly lecz zastosowanie urzadzen, znanych dotychczas, okazalo sie trudne, jezeli wprost niemozliwe, do arkuszy z materialu czulego na dotkniecie, na przyklad materialu powleczonego, gdyz materialy te zostaja wessane do dyszy ssacej.Celem wynalazku jest usuniecie tych niedogodnosci oraz nowe i ulepszone urzadzenie do odsysania pylu z arkusza i równoczesnego ustalania arkusza w odleglosci optymalnej dla osiagniecia mozliwie najlepszej skutecz¬ nosci odsysania przy najmniejszym ryzyku dotkniecia arkusza.Zgodnie z wynalazkiem przewidziany jest co najmniej jeden szereg otworów nadmuchowych, korzystnie typu powiekowego, rozmieszczonych w poprzek arkusza w obrebie lub poblizu plaszczyzny ustalajacej, umiesz¬ czonej równolegle i przylegle do arkusza, przy czym wspomniane otwory nadmuchowe lacza sie ze zródlem zasilania powietrzem nadmuchiwanym i przystosowane sa do wydmuchiwania strumieni powietrza miedzy arkusz a plaszczyzne ustalajaca zasadniczo równolegle do kierunku ruchu arkusza przy czym co najmniej jedna szczelina ssaca, laczaca sie z urzadzeniem odsysajacym powietrze, przewidziana jest równolegle do szeregu wzglednie szeregów otworów nadmuchowych. Dzieki temu, ze powietrze nadmuchiwane w celu usuniecia pylu zmuszone jest do przeplywania miedzy materialem arkuszowym a powierzchnia ustalajaca, zanim powietrze zostanie wyssane przez szczeline odsysajaca, uzyskuje sie skuteczne usuniecie pylu razem ze skutecznym ustaleniem materialu arkuszowego w odleglosci dostosowanej do usuniecia kurzu bez ryzyka dotkniecia i uszkodzenia czu¬ lej powierzchni materialu.2 80862 W przykladzie wykonania wynalazku otwory nadmuchowe tak sa umieszczone, by dmuchanie strumieni powietrza nastepowalo zarówno w kierunku ruchu arkusza jak i w kierunku przeciwnym, a szczeliny ssace umieszczone sa przed i za szeregiem, wzglednie szeregami otworów nadmuchowych, patrzac w kierunku ruchu arkusza. W ten sposób jest zapewniona dodatkowo zdolnosc ustalania.Wedlug innego przykladu wykonania, otwory nadmuchowe przewidziane sa w co najmniej trzech szeregach równoleglych, przy czym otwory nadmuchowe umieszczone w zewnetrznych szeregach przystosowane sa do dmuchania strumieni powietrza zasadniczo równolegle do kierunku ruchu arkusza w celu ustalenia arkusza, podczas gdy otwory nadmuchowe w pozostalych szeregach przystosowane sa do wyrzucar.ia strumieni powietrza winnych kierunkach niz wspomniane poprzednio strumienie powietrza w celu polepszenia skutecznosci odsysa¬ nia pylu.W celu osiagniecia ulepszonego odsysania pylu w dól do otworów ssacych zgodnie z wynalazkiem, plasz¬ czyzna ustalajaca zaopatrzona jest na krawedziach zwróconych ku szczelinom ssacym w sciecie nachylone korzystnie pod katem 15° Jo plaszczyzny arkusza. Dzieki temu strumien powietrza latwiej odrywa sie od powierzchni arkusza i odchylany jest w dól do szczeliny ssacej. W celu ulatwienia tego odchylenia jeszcze bar¬ dziej, szczeliny ssace moga byc zaopatrzone na swoich krawedziach, odwróconych od plaszczyzny ustalajacejA W scianke, która daje sie podnosic i opuszczac.Przedmiot wynalazku jest przedstawiony w przykladzie wykonania na rysunku, na którym, fig. 1 przed¬ stawia urzadzenie w przekroju podluznym wzdluz linii I—I jak na figurze 2, fig 2 przedstawia urzadzenie w wi¬ doku z góry, widziane wzdluz linii M-M jak na figurze1. * Material arkuszowy 1, z którego pyl ma byc wyssany podczas przesuwania sie, porusza sie w kierunku zaznaczonym strzalka 1a. W plaszczyznie ustalajacej 2 umieszczonej równolegle i w poblizu powierzchni arkusza 1, przewidziane sa trzy rzedy otworów nadmuchowych 3, które przebiegaja w poprzek arkusza. Otwory nadmu¬ chowe 3a umieszczone w zewnetrznych rzedach przystosowane sa do wdmuchiwania strumieni powietrza miedzy arkusz i plaszczyzne ustalajaca zasadniczo równolegle do kierunku ruchu arkusza i w ten sposób do kierunku ustalenia arkusza. Otwory nadmuchowe 3b znajdujace sie w rzedzie pomiedzy poprzednio wymienianymi rzeda¬ mi, przystosowane sa do wyrzucania strumieni powietrza w kierunkach o wiekszym nachyleniu do arkusza niz strumienie powietrza wspomniane uprzednio, w celu przenikniecia do warstwy powierzchniowej arkusza i uwol¬ nienia z niej kurzu, co sprzyja polepszeniu odsysania kurzu. Wymienione otwory 3b w rzedzie posrednim obróco¬ ne sa na zmiane tak, ze dmuchaja strumienie powietrza w kierunku ruchu arkusza oraz.odpowiednio w kierunku odwrotnym.Otwory nadmuchowe lacza sie poprzez skrzynke nadmuchowa 4, z urzadzeniem zasilajacym, (nie pokaza¬ nym) dmuchajacym powietrze. Po obu stronach plaszczyzny ustalajacej, patrzac w kierunku ruchu arkusza, przewidziane sa szczeliny ssace 5 do odsysania pylu razem z powietrzem, uprzednio nadmuchanym. Wspomniane szczeliny ssace lacza sie poprzez skrzynke ssaca z (nie pokazanym) urzadzeniem do odsysania powietrza. Plasz czyzna ustalajaca 2 zaopatrzona jest na swoich krawedziach zwróconych ku szczelinom ssacym 5 w sciecia 2a o pochyleniu 15°, które ulatwiaja odchylenie strumienia powietrza i pylu w dól do wspomnianych szczelin ssacych. W przedstawionym wykonaniu zewnetrzne scianki 7 szczelin ssacych moga byc podnoszone i opuszcza¬ ne, dzieki czemu umozliwia sie, przy zmieniajacych sie ilosciach powietrza i zmianach rodzaju materialu w pros¬ ty sposób takie nastawienie odleglosci od arkusza, ze nadmuchiwane powietrze nie przeplywa obok szczelin ssacych i przez przenoszenie soba kurzu, nie powoduje powrotu kurzu do arkusza i podczas ruchu arkusz chronio ny jest przed ocieraniem sie o wspomniane scianki i uszkodzeniem swojej warstwy powierzchniowej Jest to zwlaszcza wazne w tych przypadkach, w których powierzchnia arkusza zwrócona do urzadzenia odsysajacego kurz, powleczona jest substancja czula na dotkniecie Powyzej opisany zostal przyklad wykonania w powolaniu sie na rysunek, Wynalazek moze byc jednak zmieniany w ramach zakresu zastrzezen patentowych. PL PLDust Suction Device The invention relates to a device for extracting dust from a sheet material or fabric, for example from a touch-sensitive sheet of paper, by simultaneously blowing air and suction near the surface of the sheet. In industrial processing of sheet material, for example on cutters, printing machines and paper rewinders, difficulties arise from the formation of dust on the surface. The mentioned dust formation reduces the quality of the product and under certain conditions interferes with the continuous processing of the material. Therefore, it has proved necessary to remove the dust with special devices. Attempts have been made with suction devices for the suction of dust from a continuously moving sheet, but the use of devices known to date has proved difficult, if not simply impossible, for sheets of a touch-sensitive material. coated material, for example, as these materials are sucked into the suction nozzle. The aim of the invention is to remove these drawbacks and to provide a new and improved device for extracting dust from the sheet and at the same time positioning the sheet at an optimal distance to achieve the best possible suction performance with the least risk of contact. According to the invention, there is provided at least one series of blowing holes, preferably of the eyelid type, distributed across the sheet within or close to a locating plane parallel and adjacent to the sheet, said blowing holes communicating with the power supply via and are adapted to blow air jets between the sheet and a locating plane substantially parallel to the direction of the sheet movement, at least one suction slot connecting to the air suction device being provided parallel to a series or series of blow holes. Due to the fact that the air blown to remove the dust is forced to pass between the sheet material and the retaining surface before the air is sucked out through the suction slot, effective dust removal is achieved along with effective retention of the sheet material at a distance sufficient to remove dust without the risk of being touched and damage to the sensitive surface of the material.2 80862 In the embodiment of the invention, the blowing holes are positioned so that the air jets are blown in both the direction of movement of the sheet and in the opposite direction, and the suction slots are located in front of and behind a series or series of blow holes, see in the direction of the sheet movement. In this way, an additional fixability is additionally provided. According to another embodiment, the blast holes are provided in at least three parallel rows, the blower holes arranged in the outer rows being arranged to blow air jets substantially parallel to the direction of the sheet movement in order to fix the sheet. while the blower holes in the remaining rows are adapted to eject air jets in different directions than the aforementioned air jets in order to improve the dust extraction efficiency. In order to achieve an improved dust suction down to the suction holes according to the invention, the locating plane it is provided on the edges facing the suction slots in the web, inclined preferably at an angle of 15 ° Jo to the plane of the sheet. As a result, the air stream is more easily detached from the sheet surface and is deflected down to the suction slot. In order to facilitate this deviation even more, the suction slots may be provided on their edges, facing away from the locating plane W, with a wall which can be lifted and lowered. The subject of the invention is illustrated in an example of embodiment in the drawing in which Fig. 1 before - puts the device in a longitudinal section along the line I-I as in figure 2, figure 2 shows the device in a top view, viewed along line MM as in figure 1. * The sheet material 1 from which the dust is to be sucked off as it travels moves in the direction indicated by arrow 1a. In a locating plane 2 arranged parallel to and close to the surface of the sheet 1, there are provided three rows of blow holes 3 which extend across the sheet. The blowing openings 3a located in the outer rows are arranged to blow air jets between the sheet and the locating plane substantially parallel to the sheet movement direction and thus to the sheet retention direction. The blowing openings 3b located in the row between the previously mentioned rows are adapted to project air jets in directions having a greater slope into the sheet than the air jets mentioned previously, in order to penetrate the surface layer of the sheet and release dust from it, which favors improving dust extraction. Said openings 3b in the intermediate row are turned alternately so that they blow the air jets in the direction of the sheet movement and in the reverse direction, respectively. The blowing openings are connected through the blower box 4 with a feeding device (not shown) blowing air. . On both sides of the locating plane, as viewed in the direction of the sheet movement, suction slots 5 are provided for sucking off the dust together with the previously blown air. Said suction slots are connected via a suction box to an air suction device (not shown). The retaining plate 2 is provided at its edges facing the suction slots 5 with 15 ° inclined cuts 2a, which facilitate the deflection of the air and dust stream down to said suction slots. In the embodiment shown, the outer walls 7 of the suction slots can be raised and lowered, so that, with changing air volumes and material type changes, it is possible to adjust the distance from the sheet in a simple manner so that the blown air does not flow past the suction slots and by transporting the dust, it does not cause the dust to return to the sheet and during the movement the sheet is protected against rubbing against the walls and damage to its surface layer.This is especially important in those cases where the surface of the sheet facing the dust extraction device is coated with a substance touch-sensitive An embodiment has been described above with reference to the drawing, but the invention can be varied within the scope of the claims. PL PL

Claims (5)

1. Zastrzezenia patentowe 1. Urzadzenie do odsysania pylu z materialu arkuszowego lub tkanin, na przyklad arkusza papieru czulego na dotkniecie, przez równoczesne nadmuchiwanie i odsysanie powietrza w poblizu powierzchni arkusza, zna¬ mienne tym, ze ma co najmniej jeden rzad otworów nadmuchowych (3), korzystnie typu powiekowego, przebiegajacych w poprzek arkusza, umieszczony wewnatrz lub w poblizu plaszczyzny ustalajacej (2) umieszczo¬ nej równolegle i przylegle do powierzchni arkusza (1), przy czym wspomniane otwory nadmuchowe polaczone sa z urzadzeniem zasilajacym, tloczacym powietrze i przystosowanym do wdmuchiwania strumieni powietrza mie¬ dzy arkusz i plaszczyzne ustalajaca zasadniczo równolegle do kierunku ruchu arkusza i ma co hajmniej jedna .szczeline ssaca (5), laczaca sie z urzadzeniem odsysajacym powietrze, umieszczona równolegle z rzedem lub rzedami otworów nadmuchowych.80862 31. Claims 1. A device for extracting dust from a sheet material or fabric, for example a sheet of touch-sensitive paper, by simultaneously blowing in and sucking air near the surface of the sheet, characterized by having at least one row of blow holes (3). ), preferably of the eyelid type, extending across the sheet, placed inside or close to a locating plane (2) placed parallel and adjacent to the surface of the sheet (1), said blower openings being connected to an air supply device adapted to blowing air jets between the sheet and the locating plane substantially parallel to the direction of the sheet movement and having at least one suction slot (5) communicating with an air suction device parallel to the row or rows of blast holes. 80862 3 2. Urzadzenie wedlug zastrz. 1, znamienne tym, ze otwory nadmuchowe (3) tak sa usytuowane, aby strumienie powietrza byly wydmuchiwane zarówno w kierunku ruchu (1a) arkusza (1) jak i don przeciw¬ nym, a szczeliny ssace (5) przewidziane sa przed i za rzedem otworów nadmuchowych, patrzac w kierunku ruchu (1a) arkusza.2. Device according to claim 2. The method of claim 1, characterized in that the blowing openings (3) are positioned so that the air jets are blown both in the direction of movement (1a) of the sheet (1) and in the opposite direction, and that the suction slots (5) are provided upstream and downstream blow holes as viewed in the direction of movement (1a) of the sheet. 3. Urzadzenie wedlug zastrz. 2, znamienne tym, ze otwory nadmuchowe (3| rozmieszczone sa co najmniej w trzech równoleglych rzedach przy czym otwory nadmuchowe (3a) znajdujace sie w rzedach ze wnetrznych przystosowane sa do wydmuchiwania strumieni powietrza zasadniczo równolegle do kierunku ruchu (1a) arkusza w celu ustalenia arkusza (1), a otwory nadmuchowe (3b) w pozostalych rzedach przystosowane sa do wyrzucania strumieni powietrza w kierunkach innych niz strumienie powietrza wspomniane uprzednio,w celu zwiekszenia skutecznosci odsysania kurzu.3. Device according to claim 2. The method of claim 2, characterized in that the blowing holes (3 | are arranged in at least three parallel rows, with the blowing holes (3a) in the rows from the inside being adapted to blow air jets substantially parallel to the direction of movement (1a) of the sheet in order to establish the sheet (1), and the blower holes (3b) in the other rows are adapted to project the air flows in directions other than the air flows mentioned previously, in order to increase the dust extraction efficiency. 4. Urzadzenie wedlug zastrz. 1,znamienne tym, ze plaszczyzna ustalajaca (2) zaopatrzona jest na krawedziach zwróconych ku szczelinom ssacym (5) w skos (2a), nachylony korzystnie pod katem okolo 15° do plaszczyzny arkusza (1).4. Device according to claim The device according to claim 1, characterized in that the retaining plane (2) is provided on the edges facing the suction slots (5) with a slant (2a), preferably inclined at an angle of about 15 ° to the plane of the sheet (1). 5. Urzadzenie wedlug zastrz. 1, znamienne tym, ze szczeliny ssace (5) zaopatrzone sa na krawe¬ dziach zwróconych do plaszczyzny ustalajacej (2) w scianke (7) dajaca sie podnosic i opuszczac. 2a^ F,gj ^3 2a .5 7 i Fig.2 ! PL PL5. Device according to claim The method of claim 1, characterized in that the suction slots (5) are provided on the edges facing the locating plane (2) with a wall (7) which can be raised and lowered. 2a ^ F, gj ^ 3 2a .5 7 and Fig. 2! PL PL
PL1970138764A 1969-02-14 1970-02-11 PL80862B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2043/69A SE319969B (en) 1969-02-14 1969-02-14

Publications (1)

Publication Number Publication Date
PL80862B1 true PL80862B1 (en) 1975-08-30

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US (1) US3775806A (en)
BE (1) BE745973A (en)
DE (1) DE2006716C3 (en)
DK (1) DK144235C (en)
FI (1) FI50264C (en)
FR (1) FR2035401A5 (en)
GB (1) GB1283291A (en)
NL (1) NL7002087A (en)
NO (1) NO139930C (en)
PL (1) PL80862B1 (en)
SE (1) SE319969B (en)

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BE745973A (en) 1970-07-16
FI50264C (en) 1976-01-12
DE2006716C3 (en) 1982-05-06
US3775806A (en) 1973-12-04
FI50264B (en) 1975-09-30
DE2006716A1 (en) 1970-09-03
NO139930C (en) 1979-06-06
NO139930B (en) 1979-02-26
GB1283291A (en) 1972-07-26
DK144235C (en) 1982-06-28
FR2035401A5 (en) 1970-12-18
SE319969B (en) 1970-01-26
NL7002087A (en) 1970-08-18
DK144235B (en) 1982-01-25
DE2006716B2 (en) 1977-11-03

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