EP0117232A2 - Dispositif pour appliquer un ruban adhésif sur le bord d'une plaque - Google Patents

Dispositif pour appliquer un ruban adhésif sur le bord d'une plaque Download PDF

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Publication number
EP0117232A2
EP0117232A2 EP84810079A EP84810079A EP0117232A2 EP 0117232 A2 EP0117232 A2 EP 0117232A2 EP 84810079 A EP84810079 A EP 84810079A EP 84810079 A EP84810079 A EP 84810079A EP 0117232 A2 EP0117232 A2 EP 0117232A2
Authority
EP
European Patent Office
Prior art keywords
rollers
roller
application
axis
folding
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
EP84810079A
Other languages
German (de)
English (en)
Other versions
EP0117232B1 (fr
EP0117232A3 (en
Inventor
Hans Koller
Heinz Zingel
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.)
Novartis AG
Original Assignee
Ciba Geigy 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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of EP0117232A2 publication Critical patent/EP0117232A2/fr
Publication of EP0117232A3 publication Critical patent/EP0117232A3/de
Application granted granted Critical
Publication of EP0117232B1 publication Critical patent/EP0117232B1/fr
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
    • B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
    • B65H37/04—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations for securing together articles or webs, e.g. by adhesive, stitching or stapling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F5/00—Attaching together sheets, strips or webs; Reinforcing edges
    • B31F5/06—Attaching together sheets, strips or webs; Reinforcing edges by adhesive tape
    • B31F5/08—Attaching together sheets, strips or webs; Reinforcing edges by adhesive tape for reinforcing edges ; Applying a strip or tape to an edge, e.g. for decorating, for protecting
    • B31F5/085—Attaching together sheets, strips or webs; Reinforcing edges by adhesive tape for reinforcing edges ; Applying a strip or tape to an edge, e.g. for decorating, for protecting combined with folding the strip around the edge, or applying an already folded strip on
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
    • B65H37/06—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations for folding
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007—Running or continuous length work
    • Y10T156/1008—Longitudinal bending
    • Y10T156/101—Prior to or during assembly with additional lamina
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007—Running or continuous length work
    • Y10T156/1008—Longitudinal bending
    • Y10T156/1011—Overedge bending or overedge folding
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1034—Overedge bending of lamina about edges of sheetlike base

Definitions

  • the invention relates to a device according to the preamble of patent claim 1.
  • Adhesives in foils - in particular tape form such as e.g. are known under the brand names Araldit and Redux® adhesive film (CIBA-GEIGY), not least because of their occupational hygiene advantages they are becoming increasingly popular.
  • Araldit and Redux® adhesive film CIBA-GEIGY
  • CIBA-GEIGY Araldit and Redux® adhesive film
  • the actual application head of the first exemplary embodiment comprises a pressure or application roller pair 30a / 30b, a drive 1, 2, 3, transport rollers 40a-40c, 51a-51c and 36a-36c, folding rollers 16, 17 and one guide channel 21 each or 20 for the supply of adhesive film K located on a carrier tape T and the removal of the carrier tape T after detachment of the adhesive film K.
  • the carrier tape K with the adhesive film K located thereon passes from a supply roll 52 (cassette) via a plastic tube 6a with an oval cross section into the guide channel 21.
  • the carrier tape T is fed via a further plastic tube 6b by means of a suction device 53 suctioned off.
  • the two hoses 6a and 6b are connected to the application head by means of plug-in couplings 7a / 8a and 7b / 8b.
  • the curvatures of the guide channel 21 and the hose 6a, through which the TK tape is pulled through the action of the transport rollers 40a-40c and 51a-51c, are defined with respect to the tape tension so that the TK tape essentially only with its (non-tacky ) Carrier tape side (T) slides open.
  • the curvatures are essentially convex with respect to the carrier tape side.
  • the application head is on a movement device, not shown, e.g. attached to a robot (known type). This is programmed in such a way that the pair of application rollers 30a / 30b exactly "travels" around the edge of the sheet metal part B and thereby applies the adhesive film K in a V-shape around the sheet metal edge.
  • the supply roll 52 and suction 53 are preferably mounted stationary.
  • the hoses 6a, 6b and the electrical cables 4 and 5 for the energy supply and control of the drive 1, 2, 3 are either the respective with respect to their lengths adapted to the conditions.
  • 1, 2 and 3 and 7, 9 and 10 each have a coordinate system X / Y / Z drawn in, which is intended to simplify the description of the movement possibilities of the different parts of the apparatus.
  • the application head with its housing part 57 is attached to the movement device, not shown, by means of a bracket 25 or connecting flange 56, e.g. Robot attached.
  • a cylinder 58 is rotatably supported about its axis by means of a bearing 42 and is displaceable along the latter.
  • the application rollers 30a / 30b or their axes 28, 67 are mounted in a part 15, which in turn is supported by means of a dovetail or similar guide 58a / 33a at the front end of the rotatable and displaceable cylinder 58 and can be fixed by means of fixing screws 26 .
  • Another part, designated 33, is fixedly connected to the part 15 and carries the transport rollers 36a-36c, 40a-40c and 51-51c as well as a counter-pressure roller 19 interacting with the pre-folding roller 16 and the tape guide channels 20 and 21.
  • the cylinder 58 can be displaced backwards (direction -Y) against the force of a spring 65 by the distance f limited by stops (FIG. 3). Its maximum twist angle and the "zero position" are defined by the mechanism shown in FIG. 5.
  • This mechanism comprises a rack 44 and two oppositely acting springs 69a, 69b, the spring force of which can be regulated by adjusting screws 43a and 43b. 45 is a guide and locking screw for the rack.
  • Two disks 62 are provided to limit the suspension. In the "zero position", the axes of the application rollers 30a, 30b lie approximately in the Y / Z plane.
  • the axis 67 of the lower roller 30b of the pair of application rollers 30a / 30b is mounted in a part 47, which in turn can be displaced in the housing part 15 in the Z direction stored and biased by a spring 68 in the + Z direction.
  • a spring 68 in the + Z direction.
  • the preload of the spring 68 can be adjusted by means of an adjusting screw 48.
  • An eccentric lever for "opening" the pair of application rollers 30a / 30b by the path designated by e in FIG. 4 is designated by 46.
  • the rollers 30a and 30b are fixed interchangeably on the ends of the shafts 28 and 67, respectively.
  • the shaft 67 of the lower roller 30b is free-running and connected to the gear 22 of a tachometer generator 23 by means of a universal joint 31.
  • the gear 22 is mounted on the part 33 by means of a stud screw 13 and a pin 14. This arrangement (universal joint 31, tenon screw 13, pin 14) enables or compensates for changes in distance between the rollers 30a and 30b.
  • a run for the roller pair 30a / 30b on the edge of the sheet B can be set to be optimal for the respective application conditions.
  • the application head moves in the direction of + X during operation as shown (FIGS. 1, 2, 3). If part 15 and thus the pair of application rollers 30a / 30b is shifted (and fixed) to position 15b in the position 15b indicated by the dot-dash line in FIG. 3, then this means caster. 2, the size of this wake (in the direction -X) is denoted by + d. A shift in the opposite direction (+ X) accordingly means advance, the size of which is designated in the secondary drawing of FIG. 1 with -d.
  • the pair of application rollers 30a / 30b is thus firstly adjustable with regard to forward and backward movement, secondly in the direction -Y (direction of the roller axes) against a spring force (spring 65) and third, rotatable about an axis running parallel to the Y direction in the plane of roller symmetry from a defined "zero position" against spring forces (springs 69a, 69b) (stops 62).
  • the tape guide channels 20 and 21, transport rollers 40a-40c, 51a-51c and 36a-36c, folding rollers 16, 17 and the counterpressure roller 18 are fastened or mounted on the rotatable and displaceable housing part 15 or the part 33 firmly connected to it.
  • the transport rollers 36a-36c are mounted in a carrier 37 which can be swiveled out about the axis 60.
  • the transport rollers 51a-51c are mounted in a carrier 38 which can be swiveled out about the axis 59.
  • the carrier 37 also carries at its front end in a longitudinal slot 18a the counter-pressure roller 18 for the first pre-folding roller 16.
  • the pivoted-out positions of the carriers 37 and 38 are indicated by dash-dotted lines in FIG. 3 and denoted by 3Tb and 38b. In these positions, the TK belt can be easily threaded in, the K belt can be fed up to the pair of application rollers 30a / 30b and the T belt into channel 20.
  • the transport rollers After folding and fixing by means of spring-loaded locking lever 61, the transport rollers are ready for use and presses the counter-pressure roller 18 with its wedge-shaped circumference into the concave or V-shaped recess of the first folding roller 16.
  • the following second folding roller 17 has a much smaller diameter and smaller V-angle than the first pre-folding roll and is arranged as close as possible to the pair of application rolls 30a / 30b. As the two folding rolls pass, the K-tape is gently pre-folded in the direction of the application rolls, and the continuity of the folding from the application point to the transport rolls is ensured.
  • the two folding rolls 16 and 17 can be displaced in the direction -Y against the force of a spring 63 or 64, so that they follow the sheet metal edge resiliently even with larger curvatures.
  • the constant (spring force) of the spring 63 is much smaller than that of the spring 65 and the constant of the spring 64 is smaller than that of spring 63.
  • the constants of springs 65:63:64 behave as about 1: 0.3: 0.2.
  • the first pre-folding roller 16 is mounted in a part 19 on which the spring 63 engages and which has a fork-shaped projection 19a which, when the carrier 37 is closed, grasps the axis of the counter-pressure roller 18 which is displaceable in the longitudinal slot 18a and inevitably this roller with its wedge-shaped circumference in the V-Umfanesnut the pre-folding roller 17 leads.
  • the guidance of the pre-folding roller 17 is denoted by 66 in FIG. 3.
  • the folding rollers 16, 17 pressed resiliently against the sheet metal edge primarily fulfill the task of pressing the K-band in its immediate folding area onto the sheet-metal edge, so that there is no cavity or the inside of the tape is glued to one another.
  • the drive for all driven rollers is carried out centrally by means of the motor 2 via the gear 3, bevel gears 12, a flexible shaft 11, a spur gear 27 and a (rigid) shaft 28 on the upper roller 30a of the pair of application rollers 30a / 30b.
  • a shaft stub 29a is driven by means of a further bevel gear mechanism 29, on which a toothed belt pulley 29b is fastened.
  • the pulley 29b drives the transport roller 40b via a toothed belt 9 and a toothed belt pulley 40e seated on the extended axis 40d of the transport roller 40b.
  • Two further toothed belt pulleys 40f and 40g sit on the axis 40d and drive the transport rollers 40a and 40c via toothed belt drives, not shown.
  • the diameter of the disk 40f, which drives the roller 40c, is dimensioned such that its circumference is approximately 1.1 times that of the disk 40g, so that the transport roller 40c runs at the approximately 1.1 times the speed of the roller 40a.
  • rollers 40b, 51b and 36b are coupled to one another at the lower or upper end (outside their active length) with intermeshing toothed rings.
  • the "roll package” is clamped together by compression springs 37a, but the rolls in the longitudinal profile are shaped such that only the pairs of rolls 40b / 51b, 40a / 51a and 51c / 36c are pressed together along their active length in such a way that they are pressed onto the intermediate belt TK or T have a transport effect.
  • the remaining rollers are profiled in the longitudinal direction (protruding end flanges) in such a way that a gap remains between the roller pairs 40c / 51c, 51a / 36a and 51b / 36b and these pairs do not perform a transport function but only a guiding function.
  • the pairs of rollers causing the transport of the TK and thus the K belt run exactly synchronously with the application rollers 30a / 30b. Practically no tension is exerted on the K-belt between the transport rollers and the application rollers.
  • the removal of the T-band is guaranteed with absolute certainty, since the roller pair 36c / 51c that transports away runs faster and thereby compensates for any slippage of the T-band. The risk of slipping is practically only with the T-band, since this has relatively smooth surfaces.
  • the folding rollers 16 and 17 and the counter-pressure roller 18 are free-running and therefore, in contrast to fixed folding channels in the K-band, cause practically no tensile resistance. It is essential, however, that the transport rollers and folding rollers, together with the application rollers, inevitably follow all movements (common carrier part 15).
  • the driving speed of the (upper) roller 30a is controlled by the rolling speed of the free-running (lower) roller 30b.
  • two commercially available electronic tachometer generators 1 and 23 are provided, which measure the rolling speed of the roller 30b or the speed of the drive motor 2 and convert them into electrical ones Implement control signals, from which a control signal for the speed control of the drive motor 2 is formed by comparison in conventional control electronics 54.
  • the control electronics 54 has two potentiometers with rotary knobs 72 and 73. With the potentiometer button 72, the mutual speed ratio of the rollers 30a and 30b can be regulated differently from 1: 1 to approx. + 10%.
  • an "inherent speed" of the roller 30a can be set independently of the speed of the roller 30b.
  • an arbitrary basic rotational speed of the roller 30a can also be set when the roller 30b is at “zero”. will. This is important, among other things, if for some reason "slippery" sheets are processed and the roller 30b rotates too slowly or even stops at the beginning of the application of the K-belt.
  • the applied control enables without connection.
  • Exchange of information with the electronic control of the movement device (robot) an optimal adaptation of all roller speeds (application rollers, transport rollers) to the movement speed of the robot, including compensation for the slippage of the lower application roller 30b.
  • the apparatus thus fulfills all the requirements for a distortion-free and uniform application of the adhesive tape K on the sheet metal part B even at high robot speeds and more complicated sheet metal parts .
  • the application rollers and the transport rollers are coated with silicone.
  • the folding rolls are made of Teflon (PTFE). This prevents the adhesive tape from sticking to these rollers.
  • FIGS. 7 to 13 A further, particularly advantageous exemplary embodiment of a device according to the invention is shown in FIGS. 7 to 13.
  • FIG. 7 schematically shows the most important components in perspective.
  • These are a pair of application rollers 101/102, each a drive motor 103 or 104 with an associated tachometer generator 105 or 106 for the two application rollers, a pre-folding roller 107, two transport rollers 108 and 109, two counter rollers 110 and 111 and two deflection rollers 112 and 113, a drive motor 114 with an associated tachogenerator 115 for the transport rollers, a pivotable control roller 116, a guide channel 117 or 118 for the supply of TK tape or the removal of the carrier tape T detached from the adhesive film K and two plastic hoses 119 and 120 for guiding the TC bands from a supply roll 121 into the feed channel 117 or for returning the carrier tape T from the discharge channel 118 to a suction device 122.
  • An electronic circuit 123 is also provided for controlling the three drive motors 103, 104 and 114.
  • a separate drive motor 103, 104 and 114 is provided for each of the two application rollers 101 and 102 on the one hand and for the tape transport (rollers 108 and 109) on the other.
  • the two motors 103 and 104 for the application rollers 101 and 102 are - fed back by the tachogenerators 105 and 106 - controlled by the electronic circuit 123 so that the applicator rollers 101 and 102 are acted upon on the one hand by a constant torque and on the other hand have a constant idling speed.
  • Torque and idling speed can be set or preselected on two corresponding control elements 123a and 123b of the electronic circuit 123 (FIG. 13).
  • the transport of the TK tape or the adhesive film K is controlled via the control roller 116.
  • the control roller 116 is arranged on a link 124 which can be pivoted about the axis of the deflection roller 113 and is thereby loaded by means of a tension spring 125, so that the adhesive film K is always slightly tensioned.
  • the size of the basic tension can be adjusted by means of a knurled screw 126 (FIG. 13).
  • the handlebar 124 is coupled to a potentiometer 127, so that pivoting the control roller 116 causes a corresponding adjustment of the potentiometer 127.
  • the potentiometer 127 is connected to the electronic circuit 123 and, together with it, controls the drive motor 114 for the tape transport in such a way that the tape tension in the adhesive film K always remains constant irrespective of the movements of the individual rolls to be explained.
  • the peripheral speed of the transport roller 109 pulling off the carrier tape T is, as in the first exemplary embodiment, slightly greater than that of the transport roller 108 in order to compensate for any slippage.
  • the control roller 116 is preferably designed as a convex double cone. On the one hand, this achieves a certain preforming of the adhesive strip K and, on the other hand, a centering of the strip.
  • FIG. 13 also shows a cutting tool 128 which is also controlled by the electronic circuit 123 via a drive magnet 129 and is used to cut off the adhesive film at the end of the respective sheet metal edge.
  • the electronic circuit 123 is also designed, in cooperation with limit switches, not shown, to suddenly stop the movement of the manipulation device (the robot) when one of the movement options of the various parts of the application device, which will be described below, exceeds a certain dimension defined by the limit switches. In this way, damage to the application device or the sheet metal or possibly also the robot can be avoided.
  • All parts of the actual application head are mounted on a bracket 140, which is mounted in a housing 141 which is open towards the front and is resiliently pivotable about an axis parallel to the X axis.
  • the pivot bearings are designated 142.
  • the housing 141 itself is fastened to the movement device (robot) via a flange 144.
  • a tension spring 145 between the housing 141 and bracket 140 holds the entire application head under a slight, upward (+ Z) bias, which causes the lower application roller 102 to constantly press with a certain force on the sheet metal and thereby exactly the vertical movements of the sheet edge follows (deflection angle + y, Fig. 10).
  • the spring force can be regulated by means of an adjusting screw 146.
  • a stator 150 is fastened on the bracket 140, in which a cylindrical shaft 153 is mounted in ball bearings 151 and 152 so as to be resiliently pivotable about the Y axis.
  • the shaft 153 is connected in a rotationally fixed manner to an end plate 154, on which two spring struts 155 and 156 act, which are attached at their ends to the bracket 140 (FIG. 11).
  • These spring struts 155 and 156 each provided with a cylinder spring 158 that can be regulated by means of an adjusting screw 157, control and limit the pivoting movement (pivoting angle + a, FIG. 11) of the shaft 153 by a neutral position in which the axes of the two applicator rollers 101 and 102 lie in a vertical (YZ) plane.
  • a guide plate 160 is fastened in a rotationally fixed manner at the front end of the shaft 153.
  • a slide 161 can be adjusted in the + X direction by means of a dovetail guide or the like fixed.
  • the carriage 161 carries all other parts of the application head.
  • the + X adjustability of the slide is used to regulate the pre-run and post-run analogous to the first described embodiment.
  • a carrier part 162 is mounted on the slide 161. This is movably supported in the Y direction (parallel to the axis of the shaft 153) by means of guide rods 163 which run in ball sleeves 164 in the slide 161 and is elastically supported by means of springs 165 (FIG. 10). This + Y movement of the carrier part 162 is controlled by a support roller 166 (FIG. 9) which is rotatably mounted at its front end, the axis of rotation of which is parallel to the Z axis and which is supported on the edge of the sheet B to be coated with the adhesive film and this follows elastically.
  • the lower application roller 102 is mounted with its shaft 171 in the carrier part 162.
  • a pulley 172 is attached to the free end of the shaft 171.
  • a belt 173 (FIG. 7) connects the application roller 102 to its associated drive motor 104 via a further pulley 174 seated on the motor shaft.
  • the upper application roller 101 is rotatably mounted on a swivel arm 180 with its shaft 175, which also carries a pulley 176 at its other end.
  • the swivel arm 180 is pivotably articulated on the carrier part 162 about an axis (bearing 181) parallel to the Y axis.
  • a spiral spring 182 presses the swivel arm 180 and thus the application roller 101 resiliently downward against the lower application roller 102, the tensioning force of the spring being able to be adjusted by means of an adjusting screw 183 (FIG. 8).
  • the upper application roller 101 can therefore carry out a vertical movement (angle ⁇ ) independently of the lower roller 102.
  • the lower stop of the swiveling movement can be set using an adjusting screw 184.
  • the drive motor 103 for the upper application roller 101 which is connected to it via a further pulley 177 and a drive belt 178 (FIG. 7), is arranged in the application head such that its shaft is exactly aligned with the bearing 181 of the swivel arm 180 (FIG. 8th). In this way, the pivoting movement of the application roller 101 has no influence on the drive connection to the motor 103.
  • the pre-folding roller 107 is fastened to the front of the carrier part 162 in a bearing bracket 186 in a freely rotatable manner (FIG. 12).
  • the bearing bracket 186 is in turn slidably mounted in the Y-direction in the carrier part 162 and is supported by a spring 187.
  • the pre-folding roller 107 can thus independently perform a resilient compensating movement perpendicular to the sheet edge and in the sheet plane, so that it can follow the sheet edge resiliently even with larger curvatures.
  • the tension (spring constant) of the spring 187 is substantially less than that of the springs 165 of the slide 161.
  • the deflection roller 113 and the control roller 116 and the potentiometer 127 are also mounted on the carrier part 162.
  • the remaining parts of the belt transport, ie the two transport rollers 108 and 109, the two counter rollers 110 and 111 and the deflection roller 112 are located on a support bracket 168 flanged to the slide 161.
  • the two transport rollers 108 and 109 are via shafts (not shown) with pulleys 190 and 191 (Fig. 10) connected via a drive belt 192 and a pulley 193 (Fig. 9) on the shaft of the drive motor 114 (Fig. 7) coupled to this.
  • the two tape guide channels 117 and 118 are also mounted on the support bracket 168.
  • the two counter rollers 110 and 111 are arranged so as to be pivotable about the deflection roller 112 and can be used to insert the TK tape or to remove the carrier tape in the open position can be locked by means of a pawl 195.
  • the counter rollers 110, 111 are pressed against the transport rollers 108 and 109 by means of a spring 196 and 197, the tensioning force of the spring 197 being adjustable by means of a regulating screw 198.
  • the pair of application rollers 101/102 together with the folding roller 107 therefore have four elastically supported movement possibilities. These are the vertical rocking movement of the entire head around the bearings 142, the rotary movement around the axis of the cylinder shaft 153, a transverse movement in the + X direction for pre- or post-adjustment and a stroke movement parallel to the cylinder 153 in the + Y direction.
  • the upper application roller 101 can still be moved vertically relative to the lower roller 102 and the pre-folding roller 107 in the Y direction relative to the application rollers. All of these movement possibilities result in a distortion-free and uniform application of the adhesive film K on the sheet metal part B even at high speeds and complicated edge geometries.
  • the electronically controlled drive of the two application rollers 101 and 102 and the belt transport via separate drive motors enables an optimal adaptation of all roller speeds to the movement speed of the robot, including compensation of the slip, without connection or exchange of information with the control electronics of the movement device.
  • the three spring-loaded movement options ensure that the two application rollers optimally follow the sheet edge under all circumstances.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP84810079A 1983-02-16 1984-02-13 Dispositif pour appliquer un ruban adhésif sur le bord d'une plaque Expired EP0117232B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH861/83 1983-02-16
CH86183 1983-02-16
CH646483 1983-12-02
CH6464/83 1983-12-02

Publications (3)

Publication Number Publication Date
EP0117232A2 true EP0117232A2 (fr) 1984-08-29
EP0117232A3 EP0117232A3 (en) 1987-04-15
EP0117232B1 EP0117232B1 (fr) 1988-06-15

Family

ID=25685925

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84810079A Expired EP0117232B1 (fr) 1983-02-16 1984-02-13 Dispositif pour appliquer un ruban adhésif sur le bord d'une plaque

Country Status (6)

Country Link
US (1) US4486261A (fr)
EP (1) EP0117232B1 (fr)
KR (1) KR840007707A (fr)
AU (1) AU566787B2 (fr)
BR (1) BR8400674A (fr)
DE (1) DE3472095D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0155904A1 (fr) * 1984-02-17 1985-09-25 Ciba-Geigy Ag Dispositif pour appliquer un ruban adhésif sur le bord d'une plaque, notamment d'une plaque de métal

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4588463A (en) * 1982-11-04 1986-05-13 Datafile Limited Method of producing a reinforced file folder
DE3702155A1 (de) * 1987-01-26 1988-08-04 Klessmann Ima Norte Maschfab Verfahren und vorrichtung zum anbringen von kantenmaterial an plattenfoermigen werkstuecken, wie moebelelemente
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US2749966A (en) * 1954-11-12 1956-06-12 St Regis Paper Co Method and apparatus for heat sealing closure tapes to containers
US4155798A (en) * 1966-11-11 1979-05-22 Becker Otto A Protection from corrosion of resistance-welded sheet metal covered with non-metallic layers
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EP0072779A2 (fr) * 1981-08-17 1983-02-23 Ciba-Geigy Ag Dispositif pour appliquer une bande adhésive sur le bord d'une plaque

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EP0155904A1 (fr) * 1984-02-17 1985-09-25 Ciba-Geigy Ag Dispositif pour appliquer un ruban adhésif sur le bord d'une plaque, notamment d'une plaque de métal

Also Published As

Publication number Publication date
AU2460284A (en) 1984-08-23
DE3472095D1 (en) 1988-07-21
BR8400674A (pt) 1984-09-18
AU566787B2 (en) 1987-10-29
KR840007707A (ko) 1984-12-10
EP0117232B1 (fr) 1988-06-15
EP0117232A3 (en) 1987-04-15
US4486261A (en) 1984-12-04

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