EP0182724A1 - Abwickelvorrichtung für Bahnen und Verbinden des Bandanfangs mit der ablaufenden Bahn - Google Patents

Abwickelvorrichtung für Bahnen und Verbinden des Bandanfangs mit der ablaufenden Bahn Download PDF

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Publication number
EP0182724A1
EP0182724A1 EP85420190A EP85420190A EP0182724A1 EP 0182724 A1 EP0182724 A1 EP 0182724A1 EP 85420190 A EP85420190 A EP 85420190A EP 85420190 A EP85420190 A EP 85420190A EP 0182724 A1 EP0182724 A1 EP 0182724A1
Authority
EP
European Patent Office
Prior art keywords
strip
rollers
adhesive tape
cutting
web
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.)
Granted
Application number
EP85420190A
Other languages
English (en)
French (fr)
Other versions
EP0182724B1 (de
Inventor
André Alaimo
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.)
Monomatic SA
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 EP0182724A1 publication Critical patent/EP0182724A1/de
Application granted granted Critical
Publication of EP0182724B1 publication Critical patent/EP0182724B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1857—Support arrangement of web rolls
    • B65H19/1873—Support arrangement of web rolls with two stationary roll supports carrying alternately the replacement and the expiring roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1842—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact
    • B65H19/1852—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact taking place at a distance from the replacement roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/464—Splicing effecting splice
    • B65H2301/4641—Splicing effecting splice by pivoting element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/464—Splicing effecting splice
    • B65H2301/46412—Splicing effecting splice by element moving in a direction perpendicular to the running direction of the web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/464—Splicing effecting splice
    • B65H2301/46414—Splicing effecting splice by nipping rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/22—Splicing machines
    • B65H2408/221—Splicing machines features of splicing unit
    • B65H2408/2211—Splicing machines features of splicing unit splicing unit located above several web rolls arranged parallel to each other

Definitions

  • the present invention relates to devices making it possible to produce a continuous movement of a strip of material by securing several strips one after the other.
  • the strips are wound on reels, and the joining occurs when we arrive at the end of the unwinding of a reel to start the unwinding of the next reel.
  • the invention applies in particular to bands intended to form sachets for packaging.
  • the tape unwinders generally comprise two support pins each intended to receive a reel carrying a strip to be unwound; the next reel is prepared during the course of the first reel; the devices comprise tensioning means ensuring the reversible accumulation of a certain length of strip at the outlet of the device, so as to make the strip tension downstream relatively continuous and independent of the scrolling upstream, in order to mask the time of joining of the strip ends, time during which the scrolling is disturbed inside the device, in particular by the inertia of the new coil to be driven.
  • the known devices generally ensure the joining of the strips by bonding between pressure rollers, but the result obtained is poor because the location of the ends of the two successive strips is very delicate.
  • the patent FR-A-1465317 describes a device in which the bonding of the strips to each other is carried out "on the fly", without stopping the strips, and without cutting. The rollers are brought together when marks printed on the strip are detected during unrolling.
  • blocking means further ensure the blocking of the strips during their cutting by cutting means arranged at a predetermined distance from the contact zone of the rollers; pneumatic suction means keep the start of the second strip in standby in the contact zone of the rollers.
  • the bonding is carried out strip on strip, in excess thickness, and the end of the strip which ends is cut after sticking and forms a free tail which exceeds.
  • the object of the present invention is in particular to avoid the drawbacks of known unwinders by proposing a new structure by which the positioning of the respective ends of the strips relative to one another when bonding is carried out in a constant manner independent of the speed of travel of the tape at the output of the device.
  • the invention makes it possible to bond the strips end to end, that is to say without overlap by overlapping, using a single-sided adhesive.
  • the invention makes it possible to bond tape to tape, in excess thickness, but without protruding tail: the strips are glued over the entire length of superposition which separates the two respective ends of the strips.
  • the device comprises, as in patent application FR-A-2531940, two crazy pressure rollers in slightly elastic material and with parallel axes between which the strips pass; the axes of the rollers are movable in the direction of their approach and their distance between a contact position and a remote position, the axes being urged in their movements by roller jacks; it comprises cutting means and blocking means ensuring blocking of the strips during their cutting in a cutting zone; suction means of a first roller hold the first end of the adhesive tape in standby in the contact zone.
  • the second end of the free surface of the ribbon is then substantially in the cutting plane of the cutting means.
  • the unwinder comprises a device for preparing the start of the tape, cutting and sticking an adhesive tape on the second tape so that the tape has a free adhesive surface facing the first tape, the length of which is equal to the distance between the means. cutting edges and the contact area of the pressure rollers.
  • the preparation device comprises means for adapting a single-sided adhesive tape to the end of the second strip, the adhesive side being turned towards the first strip, and the adhesive tape extending the end of the second strip over a length equal to the distance between the contact zone of the rollers and the cutting zone, so that, after the rollers have been brought together and cut from the end of the first strip, the strips are assembled end to end being connected by adhesive tape.
  • the preparation device comprises means for sticking a double-sided adhesive tape, not protruding at the end of the band serge over a length equal to the distance between the contact zone of the rollers and the cutting zone, so that, after bringing the rollers together and cutting the end of the first strip, the strips are superimposed according to a chosen length with interposition of the adhesive tape.
  • the device comprises a detector for the end of the first strip, the signal of which controls the actuation of the means for blocking the first strip and the bringing together of the pressure rollers, then the cutting of the first strip when the rollers are in contact, and finally the spacing of the roller at the end of the passage of adhesive tape.
  • the device comprises two horizontal support axes 1 and 2 each intended to receive a coil, respectively 3 and 4 carrying a strip to be unwound.
  • the device is shown in the figures in a state where the reel 3 supports a first strip 5 soon at the end of the unwinding, and the reel 4 supports a second strip 6 which will have to take over.
  • the coils 3 and 4 rotate freely on their axes, the bands being driven downstream of the device.
  • the tape exit from the device is effected from above, through an opening 7.
  • a buffer device 8 In the vicinity of the opening 7 is placed a buffer device 8, the function of which is to ensure the reversible accumulation of a certain length of bandaged.
  • the strip 5 passes around a succession of rollers, a first fixed roller 9 and a second fixed roller 10, then a movable roller 11 mounted on a carriage 12, and finally a fixed roller 13 disposed in the vicinity of the fixed roller 10.
  • the carriage 12 is movable in translation on guides 14 of the buffer device 8, and can approach and move away from the rollers 10 and 13. It is stressed by elastic means, not shown on the figure, tending to move it away from the fixed rollers 10 and 13.
  • the buffer device 8 allows the strip running 5 downstream, that is to say at the outlet of the device, to be continuous and independent scrolling upstream, that is to say in the device. It is thus possible to temporarily stop the running of the strips inside the device to ensure that they join together, without disturbing the running of the strip outside.
  • rollers 15 and 16 are idle rollers, preferably made of a slightly elastic such as rubber, and their axes are horizontal and substantially parallel to the support axes 1 and 2, carried by carriages sliding in slides.
  • the axes of the rollers 15 and 16 are movable in the direction of their approach and their distance.
  • Each of the rollers is movable, independently of the other, between a withdrawal position in which it is spaced from the median plane II-II of the device, and between a close-up position in which it is tangent to the median plane II-II with possibly a slight overshoot.
  • the rollers can admit a contact position in which they touch according to their respective contact zones or generators 17 and 18 in the median plane II-II.
  • the axes of the rollers are stressed by roller jacks, respectively 19 and 20, developing their action between two end of travel stops.
  • the device comprises cutting means, respectively 21 and 22, intended to cut the strips 5 and 6.
  • the cutting means consist for example of knives, coming to bear against a anvil 23, and biased by knife cylinders, respectively 24 and 25.
  • the device comprises two deflection rollers 40 and 41, disposed respectively near the upstream of the rollers 15 and 16, with axes parallel to the axes of the rollers 15 and 16, and arranged symmetrically according to a spacing chosen so that the portions of oblique bands, stretched respectively between the rollers 15 and 40 and the rollers 16 and 41 make an angle A less than 90 degrees.
  • the angle A for example 20 or 30 degrees, is such that a single anvil 23 can be inserted between the oblique portions of strips, and the knives 21 and 22 can be placed between the rollers 15 and 16 and the deflection rollers 40 and 41.
  • the knives 21 and 22 are placed face to face in the same transverse cutting plane 1-1, as shown in the figures.
  • Locking clamps are arranged upstream of the cutting means, that is to say between the cutting means and the coils 3 and 4, to ensure the locking of the strips 5 and 6 during their cutting. .
  • the strip is stretched between the buffer device 8 and the corresponding locking means, so that the cut is made in a precise and reproducible position, and without tearing or tearing.
  • Cutting precision is important in the device of the present invention to allow precise subsequent positioning of the ends of the strips.
  • the rollers 15 and 16 have peripheral suction holes connected to pneumatic suction means, so as to hold on their external surfaces any element such as a strip that is applied against them.
  • the device comprises means for detecting the end of the strip: for example, the strip 5 passes between two rollers 28 and 29 conductors of electricity, the strip 5 being assumed to be insulating. At the end of the strip, the two rollers approach each other under the effect of elastic means, and provide an electrical contact providing the end of strip signal.
  • the end-of-band signal is used later as will be explained below.
  • the device further comprises a device for preparing the start of the strip associated with each roll.
  • FIGS. 2 to 5 show a preparation device 30, associated with the roller 16, in one embodiment allowing the strips to be bonded end to end. It comprises a pivoting support 31, capable of pivoting by manual action around an axis 32.
  • the support 31 forms a receptacle for supporting the end of the strip 6 and an adhesive tape 33.
  • the support 31 is pivotable between a preparation position , shown in Figure 3, in which it is spaced from the rollers to make its surface accessible, and an application position, shown in Figure 4 , in which it presses the adhesive tape and the strip 6 against the corresponding roller, by example the roller 16.
  • the support 31 also has suction holes, connected to the pneumatic device, to hold the end of the strip.
  • a first mark 34 and a second mark 35 are formed on the support 31, spaced from each other by a distance "L" equal to the distance between the knives 21 or 22 and respectively the contact area 17 or 18 rollers 15 or 16.
  • the operation of the device is as follows as shown in FIG. 2, the strip 5 unwinds freely, the roller 15 is in the withdrawn position, the roller 16 is in the close position.
  • the reel 4 is placed on its axis, and the end of the strip 6 is brought on the support 31 in the preparation position, up to the first mark 34.
  • the strip is held by the suction of the holes of the support 31.
  • the mobile support 3 1 is rocked in the application position, bringing the adhesive tape 33 against the roller 16.
  • the pneumatic means then cause the suction in the roller 16, simultaneously eliminating the suction in the support 31 , and peeling off the strip and the adhesive tape from the support 31.
  • the detection signal controls the blocking of the strip by the blocking means or clamp 26, and simultaneously causes the actuator 19 to actuate the roller 15 in close position, pressing against the roller 16.
  • the end of the adhesive tape is then applied against part of the strip 5, by pinching between the two rollers.
  • the knife 21 is then actuated, which cuts the strip 5.
  • the locking means 26 no longer have any effect, and the downstream part of the strip 5 drives the rollers 15 and 16 in rotation in the direction arrows shown in Figure 7.
  • the adhesive tape 33 is also driven, driving the strip 6, and it gradually sticks between the rollers against the end of the strip 5.
  • the bands 5 and 6 are connected by adhesive tape 33 and are found end to end and practically contiguous.
  • the roller 16 is then returned to the withdrawal position.
  • the length "L” provided on the movable support 31, that is to say the length over which the adhesive tape extends the strip 6, is equal to the length of the strip 5 between the contact zone of the rollers 15 and 16 and the cutting plane 1-1.
  • the adhesive tape is glued by its adhesive face.
  • the support 3 1 has a concave outer surface 37 in the area occupied by the adhesive tape 33, limiting the contact surface with the tape.
  • the device provides tape-to-tape bonding, in excess thickness, but without tail.
  • a device 300 for preparing the start of the strip is used for this, the device comprising a support 310 forming a flat receptacle of length "L" equal to the distance between the contact zone of the rollers and the cutting zone.
  • the support 310 has suction holes connected to the pneumatic device, to temporarily hold the end of the strip.
  • the preparation of the strip is as follows: as shown in FIG. 9, the end of the strip 6 is brought to the support 310, at least up to the first edge 340. The strip is retained by the suction holes. As shown in FIG. 10, a double-sided adhesive tape 312 is glued on top, with its end 313 at the second edge 350. The tape and the strip are cut along the first edge 340. According to FIG. 11, by rotation reverse of the reel 4, the end of the strip and of the adhesive tape are brought into the contact area 18 of the roller 16. In this position, the other end of the adhesive tape 312 is in the cutting plane 1-1 .
  • the strips 5 and 6 are superimposed over a length "L" with the interposition of the adhesive tape 312.

Landscapes

  • Replacement Of Web Rolls (AREA)
EP19850420190 1984-10-25 1985-10-23 Abwickelvorrichtung für Bahnen und Verbinden des Bandanfangs mit der ablaufenden Bahn Expired EP0182724B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8416962 1984-10-25
FR8416962A FR2572373B1 (fr) 1984-10-25 1984-10-25 Dispositif pour derouler des bandes en continu en assurant leur solidarisation les unes a la suite des autres

Publications (2)

Publication Number Publication Date
EP0182724A1 true EP0182724A1 (de) 1986-05-28
EP0182724B1 EP0182724B1 (de) 1988-10-05

Family

ID=9309355

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19850420190 Expired EP0182724B1 (de) 1984-10-25 1985-10-23 Abwickelvorrichtung für Bahnen und Verbinden des Bandanfangs mit der ablaufenden Bahn

Country Status (3)

Country Link
EP (1) EP0182724B1 (de)
DE (1) DE3565387D1 (de)
FR (1) FR2572373B1 (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0251102A2 (de) * 1986-06-23 1988-01-07 AZIONARIA COSTRUZIONI MACCHINE AUTOMATICHE-A.C.M.A.-S.p.A. Vorrichtung zum Verbinden einer ablaufenden Bahn an den Anfang einer neuen Bobine
EP0273287A2 (de) * 1986-12-25 1988-07-06 Tokyo Automatic Machinery Works Limited Vorrichtung zum Befestigen einer Ersatzbahn an eine sich bewegende Bahn
EP0382011A1 (de) * 1989-02-09 1990-08-16 Tetra Laval Holdings & Finance SA Fliegender Wechsel der Wickelrolle bei einer Spleissvorrichtung
EP0427126A1 (de) * 1989-11-09 1991-05-15 Hoechst Aktiengesellschaft Bandwechselvorrichtung
NL1035313C2 (nl) * 2008-04-18 2009-10-20 Pmb Uva Internat B V Een folieverbindingsinrichting.
CN103359514A (zh) * 2013-07-11 2013-10-23 杭州中亚机械股份有限公司 一种标纸连续供应输出机构
CN104192607A (zh) * 2014-08-12 2014-12-10 杭州中亚机械股份有限公司 一种膜材料交替连续供应装置
CN104444503A (zh) * 2013-09-17 2015-03-25 云南省玉溪市科技彩印有限公司 多工位圆压圆烫印电化铝同步换卷及自动标识一体装置
CN111532848A (zh) * 2019-02-07 2020-08-14 Bhs波纹机械和设备制造有限公司 粘合件
CN111874698A (zh) * 2020-07-16 2020-11-03 陕西思维印务有限公司 一种印刷机接纸装置和轮转印刷机

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3065782A (en) * 1959-12-22 1962-11-27 Pneumatic Scale Corp Web feeding and splicing apparatus
FR1465317A (fr) * 1965-01-29 1967-01-06 Sig Schweiz Industrieges Dispositif installé sur une machine de traitement pour raccorder la fin d'une bandeavec le début d'une bande suivante
DE2628577A1 (de) * 1975-07-09 1977-01-13 Package Machinery Co Bandzufuhranlage
GB2021079A (en) * 1978-05-16 1979-11-28 Marquip Inc Paper roll web splicing
US4264401A (en) * 1976-10-22 1981-04-28 Ganz Brothers, Inc. Web splicer
GB2106873A (en) * 1981-09-30 1983-04-20 Rengo Co Ltd Splicing web
FR2531940A1 (fr) * 1982-08-23 1984-02-24 Harris Graphics Corp Appareil pour assembler des bandes

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3065782A (en) * 1959-12-22 1962-11-27 Pneumatic Scale Corp Web feeding and splicing apparatus
FR1465317A (fr) * 1965-01-29 1967-01-06 Sig Schweiz Industrieges Dispositif installé sur une machine de traitement pour raccorder la fin d'une bandeavec le début d'une bande suivante
DE2628577A1 (de) * 1975-07-09 1977-01-13 Package Machinery Co Bandzufuhranlage
US4264401A (en) * 1976-10-22 1981-04-28 Ganz Brothers, Inc. Web splicer
GB2021079A (en) * 1978-05-16 1979-11-28 Marquip Inc Paper roll web splicing
GB2106873A (en) * 1981-09-30 1983-04-20 Rengo Co Ltd Splicing web
FR2531940A1 (fr) * 1982-08-23 1984-02-24 Harris Graphics Corp Appareil pour assembler des bandes

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0251102A2 (de) * 1986-06-23 1988-01-07 AZIONARIA COSTRUZIONI MACCHINE AUTOMATICHE-A.C.M.A.-S.p.A. Vorrichtung zum Verbinden einer ablaufenden Bahn an den Anfang einer neuen Bobine
EP0251102A3 (de) * 1986-06-23 1988-07-27 AZIONARIA COSTRUZIONI MACCHINE AUTOMATICHE-A.C.M.A.-S.p.A. Vorrichtung zum Verbinden einer ablaufenden Bahn an den Anfang einer neuen Bobine
EP0273287A2 (de) * 1986-12-25 1988-07-06 Tokyo Automatic Machinery Works Limited Vorrichtung zum Befestigen einer Ersatzbahn an eine sich bewegende Bahn
EP0273287A3 (en) * 1986-12-25 1990-08-01 Tokyo Automatic Machinery Works Limited Apparatus for splicing a replacement web to a moving web
EP0382011A1 (de) * 1989-02-09 1990-08-16 Tetra Laval Holdings & Finance SA Fliegender Wechsel der Wickelrolle bei einer Spleissvorrichtung
AU622975B2 (en) * 1989-02-09 1992-04-30 Tetra Pak Holdings & Finance S.A. An apparatus for a flying change-over from a first drum to a second drum
EP0427126A1 (de) * 1989-11-09 1991-05-15 Hoechst Aktiengesellschaft Bandwechselvorrichtung
US5308007A (en) * 1989-11-09 1994-05-03 Hoechst Aktiengesellschaft Band-changing apparatus for a flying band change
NL1035313C2 (nl) * 2008-04-18 2009-10-20 Pmb Uva Internat B V Een folieverbindingsinrichting.
CN103359514A (zh) * 2013-07-11 2013-10-23 杭州中亚机械股份有限公司 一种标纸连续供应输出机构
CN104444503A (zh) * 2013-09-17 2015-03-25 云南省玉溪市科技彩印有限公司 多工位圆压圆烫印电化铝同步换卷及自动标识一体装置
CN104192607A (zh) * 2014-08-12 2014-12-10 杭州中亚机械股份有限公司 一种膜材料交替连续供应装置
CN111532848A (zh) * 2019-02-07 2020-08-14 Bhs波纹机械和设备制造有限公司 粘合件
CN111532848B (zh) * 2019-02-07 2024-05-24 Bhs波纹机械和设备制造有限公司 粘合件
CN111874698A (zh) * 2020-07-16 2020-11-03 陕西思维印务有限公司 一种印刷机接纸装置和轮转印刷机
CN111874698B (zh) * 2020-07-16 2022-03-04 陕西思维印务有限公司 一种印刷机接纸装置和轮转印刷机

Also Published As

Publication number Publication date
FR2572373A1 (fr) 1986-05-02
DE3565387D1 (en) 1988-11-10
EP0182724B1 (de) 1988-10-05
FR2572373B1 (fr) 1987-05-15

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