EP0427126B1 - Bandwechselvorrichtung - Google Patents

Bandwechselvorrichtung Download PDF

Info

Publication number
EP0427126B1
EP0427126B1 EP19900121006 EP90121006A EP0427126B1 EP 0427126 B1 EP0427126 B1 EP 0427126B1 EP 19900121006 EP19900121006 EP 19900121006 EP 90121006 A EP90121006 A EP 90121006A EP 0427126 B1 EP0427126 B1 EP 0427126B1
Authority
EP
European Patent Office
Prior art keywords
band
changing apparatus
tape
changer
running
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.)
Expired - Lifetime
Application number
EP19900121006
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0427126A1 (de
Inventor
Joachim Dipl.-Ing. Stroszynski
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Priority to AT90121006T priority Critical patent/ATE102892T1/de
Publication of EP0427126A1 publication Critical patent/EP0427126A1/de
Application granted granted Critical
Publication of EP0427126B1 publication Critical patent/EP0427126B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B65H19/1868—The roll support being of the turret type
    • 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
    • B65H19/1805—Flying splicing, i.e. the expiring web moving during splicing contact
    • B65H19/1826—Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll
    • B65H19/1836—Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll the replacement web being accelerated or running prior to splicing contact
    • 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
    • B65H2301/463—Splicing splicing means, i.e. means by which a web end is bound to another web end
    • B65H2301/4631—Adhesive tape
    • B65H2301/46312—Adhesive tape double-sided
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/566—Interrelated tool actuating means and means to actuate work immobilizer
    • Y10T83/5669—Work clamp
    • Y10T83/5742—Clamp moved by direct impact of tool or tool support
    • Y10T83/5751—Clamp retracted by impact of tool or tool support

Definitions

  • the invention relates to a tape changing device for the flying tape change from a running tape to a new tape, each of which goes through several successive processing steps in a tape system, with separate unwinding stations for the new and the running tape, with a tape changer as a central part in which the tapes fed from tape coils are brought together in a V-shape from top to bottom in a pressure roller unit and glued together.
  • the band change begins with the cutting of the old band, for which a roller knife running beneath the old band is used.
  • the new tape is pressed against the running tape by a pressure roller in such a way that a firm adhesive connection between the beginning of the tape of the new tape reel and the old tape is produced, with the The beginning of the new tape is covered with double-sided adhesive tape.
  • the cutting knife works on the fly and across the tape running direction.
  • the cut quality and tape connection achieved are not optimal.
  • the belt changing device is not very suitable for full automation and requires a lot of attention and skill from the staff when changing the belt.
  • the production losses and material losses resulting from a failed belt change are high, and with increasing operating speed this known belt change system becomes more and more problematic in its operation.
  • FR-A-2.364.176 describes a device for the flying connection of the front end of a new web to a running web by means of two interacting rotors, between which the running web is passed and which are each provided with interacting clamping jaws for the web.
  • the two rotors are rotated simultaneously by a drive device, the Interacting jaws bring the front end of the new web into contact with the running web.
  • One jaw has a device for holding the front end of the new web, while the other jaw is designed as an abutment, so that the front end of the new web is connected to the running web by the interaction of the two jaws.
  • a cutting device for cutting through the running web is arranged behind the point at which the connection of the two webs is made.
  • the cutting device includes two knives which are held behind the jaws of the two rotors.
  • a fixed plate is attached between the two rotors as a base for the knives.
  • a feeding and cutting device for paper webs to a packaging machine wherein a connection of two paper webs is not provided in this device.
  • the paper web runs through a pair of non-driven rollers, which is set in motion by friction with the paper web.
  • a pair of rollers below the cutting device is responsible for the withdrawal of the individual paper webs from their winding roll, through the roller gap of which the paper web runs and from which one of the two rollers is driven.
  • the object of the invention is to improve a tape changing device of the type described in such a way that even with ease of use at high tape speeds of 50 m / min and more, an excellent adhesive bond between the running and the new tape is achieved without there being a tape jam or retraction between the take-off point and the connection point for the tapes.
  • the belt changer comprises two pressure roller units which are arranged one above the other in the upper sections of two stands of the belt changer and each consist of an upper, driven pressure roller and a lower counter pressure roller, between which the corresponding belt is passed, and that each of the pressure rollers is equipped with a backstop and a drive-side overrunning clutch.
  • the outgoing and the new belt are guided separately up to the pressure roller unit.
  • the end section of the running tape is separated from the running tape in front of the pressure roller unit with the aid of rotary cross cutters and the adhesive connection of the running tape is made in the pressure roller unit with a dry adhesive film previously applied to the new tape.
  • the advantages are achieved that the flying tape change between the running and the new tape is achieved only with a slight overlap of about 250 mm of the adhesive point, that the adhesive connection is pressed smoothly and firmly that the end portion of the running Tape is cut cleanly and at right angles and that with a one-man operation of the tape changing device the flying tape change can be safely controlled and carried out.
  • a tape changing device 1 shown schematically in FIG. 1 comprises a centrally arranged tape changer 2, on the left and right side of which an unwinding station 3 or 4 is arranged.
  • the tape changer 2 is vertical, and a new tape 5 and a running tape 6 are fed from tape reels 7 and 8 in the unwinding stations 3 and 4 to the tape changer 2.
  • the band windings 7 and 8 are driven by a motor, and the bands 5 and 6 are guided upwards by the band windings 7 and 8 around deflecting rollers 38, 39 and pass horizontally through chambers 32, 33, in which the surface of the respectively running band 5 or 6, for example is degreased using steam or compressed air.
  • the tape 5 runs counterclockwise from the tape roll 7, but it can also run clockwise, as is indicated by dash-dotted lines in Fig. 1.
  • the tape changer 2 comprises two stands 12 and 13, in the upper sections of which there is a pressure roller unit 10 or 11, which consists of a pressure roller 14 or 16 and a counter pressure roller 15 or 17.
  • Cross cutters 19, 20, which are, for example, rotary cross cutters, are arranged in pairs on a cross member 18 of the belt changer 2.
  • Each of the cross cutters 19, 20 comprises two rollers 21, 22 and 23, 24, respectively.
  • a cutting blade 25 is attached to each of these rollers 21 to 24.
  • the cutting blades in the case of rotary cross cutters 19, 20 form with the rollers 21, 22 and 23, 24 cutter bars which are rotated back and forth by 180 ° during cutting by means of pneumatically driven rotary pistons.
  • a belt changing device 1 with cross cutters as separation systems for the belts with which a belt change is carried out is particularly suitable at high belt speeds of more than 50 m / min. The strips are cut right-angled or almost right-angled and clean.
  • the cross cutters can also be synchronous cross cutters with a cutting speed equal to that Continuously rotating belt running speed
  • the interacting rollers of a single cross cutter 19 or 20 are coupled to one another via gear wheels.
  • cross cutter consists of a fixed bar knife and a rotary cross cutter.
  • An embodiment is also suitable, which is constructed from a fixed and a movable bar knife.
  • the tapes 5 and 6 are guided inside the tape changer 2 in V-shaped channels 26, 27. Within these channels 26, 27 there are rotary stops 28, 29 near the lower end of the channels, which can be pivoted into the movement path of the belts 5, 6.
  • the belts 5 and 6 run in the channels 26, 27 in a V-shape from top to bottom and are brought together in a pressure roller unit 9 in which the outgoing and the new belt are joined.
  • the pressure roller unit 9 consists of a drive roller 30 and a pneumatically actuated pressure roller 31.
  • the drive roller 30 works as the main brake roller, and there is a very high line pressure between the drive roller 30 and the pressure roller 31.
  • the pressure roller 31 is already in the working position before the active one Belt change process starts.
  • a double-sided adhesive strip is glued to the tape beginning of the happy tape 5.
  • the tape start prepared in this way is advanced or advanced in the pressure roller unit 10 when the pressure roller 14 is raised until it abuts the rotary stop 28 in the channel 26 which is pivoted into the movement path.
  • the pressure rollers 14 and 16 of the pressure roller units 10, 11 are each equipped with a backstop and have an overrunning clutch on the drive side.
  • the pressure rollers 14, 16 are lowered as required, for example when a tape change is initiated, only the pressure roller 14 is lowered and then driven. At the same time, the tape winding 7 can be accelerated.
  • the belts 5, 6 are assembled in the pressure roller unit 9, the new belt 5 runs at the same working speed as the running belt 6, which was previously cut.
  • the pressure rollers 14 and 16 are synchronized in terms of their rotational speed with the belt speed. After the belt has been changed, the pressure rollers 14, 16 are lifted off the counter pressure rollers 15 and 17.
  • the rotary stop 29 in the channel 27 is pivoted out of the movement path of the running belt 6, which is passed between the drive roller 30 and the pressure roller 31.
  • the start edge of the new band 5 rests against the rotary stop 28 pivoted into the movement path in the channel 26.
  • the adhesive strip 40 applied to the initial section of the new tape 5 is indicated enlarged in FIG. 1 and ends approximately 1 to 2 cm in front of the front edge of the tape 5.
  • the pressure roller 14 is pressed onto the counter-pressure roller 15 of the pressure roller unit 10 in this holding position of the new tape 5 .
  • the band 6, which runs off the band angle 8 is cut or cut.
  • the rotary stop 28 is pivoted out of the movement path in the channel 26, and the beginning of the tape 5 with the adhesive strip 40 is advanced by the driven pressure roller 14 into the pressure zone of the pressure roller unit 9.
  • the beginning of the new belt 5 is pressed onto the running belt 6.
  • the belt 5 is inserted between the drive or main brake roller 30 and the pressure roller 31, where there is a very high line pressure , which causes a firm adhesive connection between the adhesive strip 40 of the new tape 5 and the running tape 6.
  • the separating cut on the ablaurender tape 6 is made to match the tape speed of the tape 6 and the running speed of the new tape 5 such that the tape 6 completely covers the adhesive tape 40 and shortly thereafter ends with a free overlap of the adhesive tape, the overlap in is of the order of 100 to 250 mm. Since the cut perpendicular to the band 6 or takes place almost at right angles through the rotary cross cutter 20, a very clean, not serrated adhesive connection is created between the new band 5 and the running band 6.
  • the belt changing device 1 shown in FIG. 1 is particularly suitable for high and very high belt speeds in the range of 50 m / min and higher.
  • the arrangement of the unwinding stations 3 and 4 shown symmetrical to the band change 2 is very favorable in relation to the band guide and the operation of the band change device 1 on site.
  • the unwinding stations 3 and 4 are equipped, for example, with a unilaterally free-standing mandrel which receives the respective band windings 7 and 8, respectively, which can be pushed onto the mandrel with a special lifting carriage.
  • a work platform, not shown, is usually located above the tape rolls 7 and 8.
  • a work table between the deflecting roller 38 and the pressure roller unit 10 in the area of the new tape 5 there is a work table, not shown, on which the adhesive tape 40 can be applied to the starting section of the new tape 5 by hand or automatically by an adhesive tape dispenser.
  • an adhesive layer can also be applied to the beginning of the new tape 5 manually or with the aid of an adhesive dispenser.
  • the belts 5 and 6 are primarily aluminum belts that form the basis for the production of printing plates, but the belt changing device also suitable for tapes made of other metals, plastic, paper or similar materials. After the prepared tape start has been introduced into the tape changing device 1 until the initial edge abuts the rotary stop 28, the tape change can be triggered at any desired time, as described above.
  • FIG. 2 schematically shows a tape changing device 1, which is constructed similarly to the embodiment according to FIG. 1 and consists of a tape changer 2 and symmetrical to this unwinding stations 36 and 37 which are arranged to the left and right thereof and which are standard unwinding stations deals with double-sided suspension of the tape wrap.
  • a tape changing device 1 which is constructed similarly to the embodiment according to FIG. 1 and consists of a tape changer 2 and symmetrical to this unwinding stations 36 and 37 which are arranged to the left and right thereof and which are standard unwinding stations deals with double-sided suspension of the tape wrap.
  • the remaining components of this embodiment of the tape changing device 1 largely correspond to the embodiment according to FIG. 1, so that they are not described again.
  • FIG. 3 schematically shows a further embodiment of the tape changing device 1, in which the two unwinding stations 34 and 35 are arranged on one side of the tape changer 2.
  • the two unwinding stations 34, 35 which are provided with mandrels, for example, are located on one side of the tape changer and do not flank them symmetrically.
  • the unwind station 35 with the running tape 6 is arranged next to the band changer 2.
  • the tape 6 drawn off the tape roll of the unwinding station 35 is guided obliquely upwards over two deflecting rollers 43 and 44 and arrives after the deflecting roller 44 into the pressure roller unit 10 and from there between the rotary cross cutter 19 into the pressure roller unit 9.
  • the unwinding station 34 for the new one Band 5 is located further away from the band changer 2.
  • the new band 5 to be unwound is guided obliquely downward and transported horizontally via deflection rollers 41 and 42. After the deflecting roller 42, the belt 5 is guided upwards over the deflecting roller 39 horizontally into the pressure roller unit 11 and then guided downwards between the rotary cross cutter 20 and into the pressure roller unit 9 in the same manner as that based on the embodiment according to FIG 1, the new band 5 and the running band 6 are joined together.
  • the time for cutting through the running belt 6 compared to the switch-on time for driving the upper pressure roller 14 of the pressure roller unit 10 for the new, i.e. tape 5 to be unwound was brought forward by about 3 seconds.
  • the adhesive connections were pressed on smoothly and firmly and had a length of up to 600 mm.
  • the operating functions of the tape changing device 1 are expediently combined for one-man operation in a keypad, so that the tape change can be triggered from one point.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Adhesive Tape Dispensing Devices (AREA)
  • Threshing Machine Elements (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
EP19900121006 1989-11-09 1990-11-02 Bandwechselvorrichtung Expired - Lifetime EP0427126B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90121006T ATE102892T1 (de) 1989-11-09 1990-11-02 Bandwechselvorrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3937286 1989-11-09
DE19893937286 DE3937286A1 (de) 1989-11-09 1989-11-09 Bandwechselvorrichtung

Publications (2)

Publication Number Publication Date
EP0427126A1 EP0427126A1 (de) 1991-05-15
EP0427126B1 true EP0427126B1 (de) 1994-03-16

Family

ID=6393175

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900121006 Expired - Lifetime EP0427126B1 (de) 1989-11-09 1990-11-02 Bandwechselvorrichtung

Country Status (7)

Country Link
US (1) US5308007A (enrdf_load_stackoverflow)
EP (1) EP0427126B1 (enrdf_load_stackoverflow)
JP (1) JPH03177250A (enrdf_load_stackoverflow)
KR (1) KR100196230B1 (enrdf_load_stackoverflow)
AT (1) ATE102892T1 (enrdf_load_stackoverflow)
DE (2) DE3937286A1 (enrdf_load_stackoverflow)
ES (1) ES2050331T3 (enrdf_load_stackoverflow)

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DE19731024A1 (de) * 1997-07-18 1999-01-21 Focke & Co Verfahren und Vorrichtung zum Handhaben von klebstoffaufweisenden Bahnen
US6907721B2 (en) * 2002-12-19 2005-06-21 Invista North America, S.A.R.L. Spliced yarn and method for forming the same
US6889493B2 (en) * 2002-12-19 2005-05-10 Jp Morgan Chase Bank, N.A. Apparatus for forming a spliced yarn
ITFI20040108A1 (it) * 2004-05-07 2004-08-07 Perini Fabio Spa Dispositivo svolgitore multiforme
JP5840047B2 (ja) * 2012-03-26 2016-01-06 株式会社ジェイテクト ウエブ巻取装置
KR101466172B1 (ko) * 2013-05-30 2014-11-28 현대제철 주식회사 벨트 포설장치
CN104418135B (zh) * 2013-09-05 2016-10-05 上海烟草机械有限责任公司 包装机的纸带拼接装置
CN106698061B (zh) * 2016-11-25 2018-06-22 深圳市赢合科技股份有限公司 一种用于卷绕机的接带装置
CN108906514A (zh) * 2018-08-13 2018-11-30 淮南胜奇新能源科技有限公司 一种电极涂膜机的不间断供料机构
CN110615307A (zh) * 2019-10-09 2019-12-27 威海光威精密机械有限公司 一种纤维织物不停机自动接布方法及其装置
KR20240108162A (ko) 2023-01-01 2024-07-09 농업회사법인 우진에프에스홀딩스 주식회사 수질개선을 위한 편마암과 미생물의 배합반응 조성물 및 그 제조방법

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Also Published As

Publication number Publication date
KR910009545A (ko) 1991-06-28
DE3937286C2 (enrdf_load_stackoverflow) 1993-04-08
EP0427126A1 (de) 1991-05-15
DE59005006D1 (de) 1994-04-21
KR100196230B1 (ko) 1999-06-15
ES2050331T3 (es) 1994-05-16
ATE102892T1 (de) 1994-04-15
US5308007A (en) 1994-05-03
JPH03177250A (ja) 1991-08-01
DE3937286A1 (de) 1991-05-16

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