EP0139645A1 - Outil de finissage de bord - Google Patents

Outil de finissage de bord

Info

Publication number
EP0139645A1
EP0139645A1 EP83901870A EP83901870A EP0139645A1 EP 0139645 A1 EP0139645 A1 EP 0139645A1 EP 83901870 A EP83901870 A EP 83901870A EP 83901870 A EP83901870 A EP 83901870A EP 0139645 A1 EP0139645 A1 EP 0139645A1
Authority
EP
European Patent Office
Prior art keywords
motor
work piece
axis
location
housing structure
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.)
Withdrawn
Application number
EP83901870A
Other languages
German (de)
English (en)
Inventor
Friedrich Josef Gorges
Ronald Eugene 1751 Northeast 58th Street BARD
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.)
Boeing Co
Original Assignee
Boeing Co
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 Boeing Co filed Critical Boeing Co
Publication of EP0139645A1 publication Critical patent/EP0139645A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B31F7/00—Processes not otherwise provided for
    • B31F7/006—Processes not otherwise provided for edges, e.g. sheet edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/002—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces with feed system for supplying material from an external source; Supply controls therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/154—Coating solid articles, i.e. non-hollow articles
    • B29C48/155—Partial coating thereof

Definitions

  • the present invention relates to a tool to trim a work piece, such as an edge surface of a panel, and also to apply a finishing material and to cure the same.
  • floor panels and sandwich panels such as those used in the aircraft industry, have tiberglass or graphite face sheets and a honeycomb core.
  • the honeycomb core forms a rather ragged edge. It is necessary to treat these edges, not simply to improve appearance, but also to create a smooth surface for a sealant to adhere thereto. Without the treated edges, the sealant would form cavities, encourage leakage and would fill the open core cells which would cause the panel to be damaged when it was removed.
  • the common prior art method of treating the edges is largely a multistage manual operation.
  • a routing tool is applied to the edge of the core to cut away a portion of the honeycomb material at the edge surface so as to form a uniform edge.
  • a potting compound is manually applied to the edge portion of the panel, and this is permitted to cure overnight.
  • the apparatus of the present invention is adapted to trim a surface of a work piece, such as an edge surface of a panel, and to apply a finishing material thereto and cure the same.
  • This apparatus comprises a housing structure having a working area to receive the work piece.
  • the working area has a longitudinal working axis with a forward end and a rear end.
  • guide means positioned at spaced locations along the axis for work piece engagement to locate and align the work piece and the apparatus relative to one another, and to permit relative movement therebetween along said axis.
  • the apparatus further comprises an airblowing device mounted to the housing structure and positioned at the working area rearwardly of the trimming device to direct a material clearing airstream toward the work piece.
  • a motor is mounted to the housing and it has a drive connection to the trimming device and to the air blowing device.
  • the air blowing device further comprises a fan which is driven by the motor.
  • finishing material storing device mounted to the housing, and in the preferred form shown herein, the storing device has power means to remove the material therefrom to the applicator device.
  • a drive connection between the motor and the storing device.
  • This drive connection has selectively operable clutch means to cause selective engagement and disengagement of the . drive connection between the motor and the supply device.
  • the switch for the heating device has a second connecting position to connect to a power input to the motor, whereby closing of the motor switch also causes power to be delivered to the heating device.
  • Figure 1 is an isometric view illustrating the tool of the present invention being applied to a panel;
  • Figure 2 is a top plan view of the tool of
  • Figure 3 is a transverse sectional view taken along line 3-3 of Figure 2 and illustrating the drive assembly for the router and for the material dispenser;
  • Figure 4 is a sectional view taken along line 4-4, and illustrating the blower of the tool of the present invention.
  • Figure 5 is a sectional view taken along line 5-5 and illustrating the material applicator of the tool of the present invention.
  • a tool 10 in its operating position relative to a work piece, which is a floor panel 12.
  • the panel 12 is or may be one that is typically used for aircraft.
  • the panel 12 comprises upper and lower face sheets 14 and 16, respectively, and a honeycomb core 18.
  • Such panels 12 are commonly cut into rectangular sections by a saw or other suitable cutting device to form an edge surface 20 made up of the upper and lower straight parallel edge portions 22 and 24 of the upper and lower face sheets 14 and 16, respectively, and the edge surface 25 of the honeycomb core 18. While the panel edge portions 22 and 24 are cut to reasonably close tolerances, the honeycomb core surface 26 is somewhat ragged.
  • the tool 10 of the present invention was created to perform an operation on the edge surface 20. More specifically, this tool 10 is designed to trim the edge surface 20 so as to remove a portion of the honeycomb core 18 so as to form a uniform honeycomb edge surface 24; blow away the excess panel material that is cut from the honeycomb core 18; apply a finishing material (i.e. a potting compound) to fill the cavity at the edge surface 20; and to cure the potting compound by applying heat thereto. All of these functions are accomplished as an integrated operation by the single tool 10.
  • the tool 10 comprises a substantially closed housing 26 having a generally rectangular box-like configuration. More specifically, it comprises a top wall 28, left and right side walls 30 and 32, a bottom wall 34, and front and rear end walls 36 and 38, respectively.
  • the left side wall 32 has a depending skirt 40 which extends downwardly a short distance from the left edge of the bottom wall 34.
  • the forward and rear edges of the skirt 40 reach inwardly a short distance to form flanges at 42 and 44, respectively, and with the skirt 40, define a semi-enclosed, elongate working area 46.
  • this working area 46 can be considered as having a longitudinal working axis 48 extending from the front flange 42 to the rear flange 44.
  • a cutter 50 Positioned at spaced locations along the longitudinal axis 44 are five main working elements, namely: a) a cutter 50; b) a blower 52; c) a material applicator 54; d) a smoothing element 56; and, e) a heating coil 58.
  • guide elements which, in the preferred embodiment, are vertically aligned cylindrical indexing rollers, namely a front roller 60, an intermediate roller 62, and a rear roller 64.
  • the five operating elements 50-58 are spaced along the working axis 48 in a front-to-rear direction in the same order as given above.
  • the cutter 50 comprises a routing element 66 rigidly connected to an upwardly extending vertical
  • the _OMPI shaft 68 for rotation about a vertical axis.
  • the outer circumferential cutting surface 70 of the routing element 66 is outwardly rounded (i.e. convexly rounded) so that, as it cuts into the honeycomb edge surface 25, it makes a concave groove 72 in that surface 25.
  • the upper end of the shaft 68 is connected to a drive pulley 74 which, through a belt 76, is connected to a pulley 78 which is in turn connected to a forwardly extending drive shaft 80 of an electric motor 82.
  • the blower 52 comprises an elongate air tube 84, having an end exhaust nozzle 86 which is directed against the panel edge surface 20 at a moderate slant to that surface 20. With tne exhaust end 86 being positioned rearwardly of the routing element 66, the pressurized air discharged from the nozzle 86 blows away the material which is being cut from the honeycomb core by the routing element 66. To supply pressurized air to the tube 86, there is provided at the rear end of the motor 82 a fan 88, powered from a rearwardly extending shaft 90 of the motor 82.
  • the applicator 54 comprises an elongate rigid tube 92 which has a discharge nozzle 94 shaped to apply a potting compound 96 in a proper pattern into the concave groove 72 made by the cutter 66.
  • the opposite end 98 ot the tube 92 connects to the discharge end of a cylindrical container 100.
  • a feed piston 102 mounted in the container 100 is a feed piston 102, which defines with the container side wall 104 and end wall 106 a supply chamber 108 to contain the compound 96.
  • a drive screw 110 Connected to and extending forwardly from the piston 102 is a drive screw 110. Engaging the screw 110
  • OMPI ,. VIPO 5* in driving relationship is a threaded drive element 112 fixedly connected to a forwardly extending drive shaft 114.
  • the forward end of the drive shaft 114 is in turn ixedly connected to a pulley 116 which engages the right end of a drive belt 118.
  • the left end of the drive belt 118 is engaged by a second pulley 120 that is in turn tixedly connected to the forwardly extending drive shaft 80 of the motor 82.
  • This lever 122 is manually operated from a handle 126 which extends upwardly through an opening in the top wall 28.
  • the lever 122 is pivotally mounted at 128.
  • the smoothing element 56 is or may be of conventional design. As shown herein, it is simply a stationary element having a material engaging surface 130, the rear portion of which is located so as to come in contact with (or in very close proximity with) the panel edge portions 22 and 24. This surface 130 extends forwardly at a moderate outward slant (i.e. slightly to the left) so that it is able to engage the material 96 dispensed from the nozzle 94 and press it into the groove 72, leaving a finished material surface coplanar with the panel edges 22 and 24.
  • a moderate outward slant i.e. slightly to the left
  • the heating coil 58 is shown somewhat schematically, and can be seen to be an electric heating element, extending along the rear portion of the longitudinal working axis 48. This coil 58 is located so that, with the tool 10 in its working position, the coil 58 is close enough to the panel edge 20 so that sufficient heat is applied to the compound 96 to cure the same. Electric power is applied to the tool 10 through a wire 132 which is connected through a switch 134 to the motor 82. When the switch 134 is closed, the motor 82 rotates to power the fan 88 and to rotate the routing element 66. There is a second switch 136 having an intermediate disconnect position and two connect positions at 138 and 140. At the connect position 138, the switch 136 delivers power directly from the main inlet wire 132 to the coil 58.
  • the switch 134 When the switch 134 is connected at 140, it connects to the power input to the . motor 82, with the result that power is delivered to the coil 58 when the motor switch 134 is closed.
  • the line to the coil 58 can further be provided with a variable power switch 14 to control the amount of current delivered to the coil 58.
  • the coil 58 can, if desired, be further enclosed by forward and rear walls 144, and also by a bottom wall if desired. This would enhance the application of the heat toward the potting compound 96 applied in the groove 72. Also, the bottom wall 34 of the housing 26 has a plurality of rollers or wheels 146 to engage the top face sheet of the panel 12.
  • the panel 12 has been cut to form an unfinished edge surface 20, and that the panel 12 is positioned so that the top face sheet 14 and the edge surface 20 are exposed so that the tool 10 can be placed in its operation position. This is done by placing the bottom rollers 146 against the upper face sheet 14, and the lateral guide rollers 60, 62 and 64 against the edge surf ce 20 so that these come into engagement with the upper and lower panel edges 22 and 24.
  • the housing 26 has a raised middle portion 148 which can conveniently be grasped by the operator's hand to move the tool 10 in a forward direction parallel to the edge surface 20.
  • the motor switch 134 is closed to cause the motor 82 to turn. This immediately causes the routing element 66 to begin to rotate, and also causes the fan 88 to deliver pressurized air through the air exhaust nozzle 86.
  • the switch 136 would normally be connected to the contact 140 so that the coil 58 is heated only when the motor 82 is operating.
  • the clutch lever 122 is moved to its engaged position (shown in broken lines in Figure 3) to cause the drive element 126 to rotate and move the screw 110 and the piston 102 rearwardly to discharge the potting compound through the discharge nozzle 94.
  • the tool 10 is moved forwardly at a controlled rate so that the proper amount of potting compound is delivered into the groove 72.
  • the smoothing element 156 presses against the applied potting compound 96 to form a smooth surface over the panel edge portion.
  • the coil 58 which follows the smoothing element 56 applies sufficient heat to the applied potting compound 96 to cause it to cure.
  • the clutch lever 122 can be moved to its disengaged position, and the coil switch 136 can be moved to its disengaged position.
  • This operating mode only the cutter 50 and the fan 88 are powered, so that only a cutting operation is accomplished.
  • This operating mode would be used, for example, only in a material removal operation, with the potting compound 96 to be applied at a later time.
  • the various operating components shown herein have been shown somewhat schematically with respect to the mountings for the same.
  • the shaft 68 for the routing element 66 would be suitably mounted in a bearing mounted to, for example, the bottom wall 34. .Also, the indexing rollers 60, 62 and 64 would have suitable bearing mounts in the housing 26.
  • _ OMPI having a positive drive feed (i.e. the drive screw 110 with the drive element 112)
  • other means could be used to discharge the compound 96.
  • the cylindrical container 100 could be arranged so that a preloaded disposable package of the potting compound 96 could be inserted into the tool 10.
  • the tool 10 is shown to be portable, it could also be made as a stationary tool with a support platform for the panel 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)

Abstract

Appareil pour ébavurer une surface de bord d'un panneau, ainsi que pour appliquer sur celle-ci un matériau de finissage et pour durcir celui-ci. Une structure de boîtier (10) délimite une zone de travail et possède un dispositif d'ébavurage rotatif (66), une soufflerie (86) et un applicateur de matériau (94) placé à l'arrière du dispositif d'ébavurage et de la soufflerie. On trouve en outre un serpentin de chauffage (58) conçu pour durcir le matériau de finissage appliqué.
EP83901870A 1983-04-22 1983-04-22 Outil de finissage de bord Withdrawn EP0139645A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1983/000623 WO1984004262A1 (fr) 1983-04-22 1983-04-22 Outil de finissage de bord

Publications (1)

Publication Number Publication Date
EP0139645A1 true EP0139645A1 (fr) 1985-05-08

Family

ID=22175062

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83901870A Withdrawn EP0139645A1 (fr) 1983-04-22 1983-04-22 Outil de finissage de bord

Country Status (2)

Country Link
EP (1) EP0139645A1 (fr)
WO (1) WO1984004262A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101229031B1 (ko) * 2007-09-27 2013-02-01 오티스 엘리베이터 컴파니 엘리베이터 부하 베어링 부재

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19630270A1 (de) * 1996-07-26 1998-01-29 Henkel Kgaa Verfahren zur Vergütung von Oberflächen
US6776944B2 (en) * 1999-05-28 2004-08-17 Textron Automotive Company Inc. Method for applying BSR elastomer
DE102004010873A1 (de) * 2004-03-05 2005-09-22 Homag Holzbearbeitungssysteme Ag Verfahren und Vorrichtung zur Herstellung einer Leichtbauplatte
CA2979207A1 (fr) * 2015-03-13 2016-09-22 3M Innovative Properties Company Embout de buse et procede de distribution sur le bord d'un panneau
WO2016148938A1 (fr) 2015-03-13 2016-09-22 3M Innovative Properties Company Embout de buse et procédé de remplissage d'un panneau en nid d'abeilles pour un renfort
US10549308B2 (en) 2015-03-13 2020-02-04 3M Innovative Properties Company Nozzle tip and method for dispensing onto a partial cut panel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1604585A1 (de) * 1966-07-23 1970-12-23 K S T Boekenkrueger & Schreibe Einrichtung zur Bearbeitung der Stosskanten von als Fussbodenbelag verlegten thermoplastischen Kunststoffbahnen bzw.-platten
US3595203A (en) * 1968-08-02 1971-07-27 Jack A Fabulich Apparatus for coating edges of plank materials such as particle board plywood and-or platen board
US3967581A (en) * 1971-07-06 1976-07-06 Irvin Edward Zirbel Apparatus for applying a coating to a workpiece edge
US4145171A (en) * 1978-02-27 1979-03-20 Pyles Industries, Inc. Apparatus for sealing multi-pane window units
DE2934133A1 (de) * 1979-08-23 1981-03-26 Kurt Kunze GmH & Co KG, 4300 Essen Verfahren zur herstellung einer geschlossenen bodenbelagflaeche aus pvc-bahnen und nach dem verfahren hergestellter bodenbelag
US4378170A (en) * 1980-11-24 1983-03-29 The Boeing Company Panel edge potter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8404262A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101229031B1 (ko) * 2007-09-27 2013-02-01 오티스 엘리베이터 컴파니 엘리베이터 부하 베어링 부재

Also Published As

Publication number Publication date
WO1984004262A1 (fr) 1984-11-08

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Inventor name: GORGES, FRIEDRICH, JOSEF

Inventor name: BARD, RONALD, EUGENE1751 NORTHEAST 58TH STREET