EP0016959B1 - Machine d'assemblage pour bandes de placage ou analogues - Google Patents

Machine d'assemblage pour bandes de placage ou analogues Download PDF

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Publication number
EP0016959B1
EP0016959B1 EP80100922A EP80100922A EP0016959B1 EP 0016959 B1 EP0016959 B1 EP 0016959B1 EP 80100922 A EP80100922 A EP 80100922A EP 80100922 A EP80100922 A EP 80100922A EP 0016959 B1 EP0016959 B1 EP 0016959B1
Authority
EP
European Patent Office
Prior art keywords
spool
adhesive thread
thread
ring
caracterised
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
Application number
EP80100922A
Other languages
German (de)
English (en)
Other versions
EP0016959A1 (fr
Inventor
Hans-Heinrich Kuper
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.)
Heinrich Kuper GmbH and Co KG
Original Assignee
Heinrich Kuper GmbH and Co KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6066309&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0016959(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Heinrich Kuper GmbH and Co KG filed Critical Heinrich Kuper GmbH and Co KG
Publication of EP0016959A1 publication Critical patent/EP0016959A1/fr
Application granted granted Critical
Publication of EP0016959B1 publication Critical patent/EP0016959B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/10—Butting blanks of veneer; Joining same along edges; Preparatory processing of edges, e.g. cutting
    • 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
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702—For plural parts or plural areas of single part
    • Y10T156/1744—Means bringing discrete articles into assembled relationship
    • Y10T156/1749—All articles from single source only

Definitions

  • the invention relates to a device for releasably attaching an interchangeable sleeve-like adhesive thread spool to a machine-side base plate, to a machine for assembling veneer strips by gluing on an adhesive thread running off the adhesive thread spool.
  • the veneer strips lie along lowerable dividers on a support table during assembly.
  • the veneer strips maintain an unchanged direction of travel in the machine, while the adhesive thread is guided by a thread guide device in the area of the respective joint in regular turns (serpentine) to the veneer strips (the edge strips of which are alternately covered) and pressed there by a pressure roller.
  • the thread bobbins require a good holder so that they do not change their position when the adhesive thread is pulled off, especially in cases where the thread bobbin is moved transversely to the direction of travel of the veneer strips by means of a reciprocating guide device, or if the adhesive thread bobbins in a machine, for example lie horizontally.
  • the adhesive thread bobbins in such machines have at their end having the larger outside diameter a continuous ring shoulder which rests on a machine-side base plate.
  • the mounting of the adhesive thread spool on the base plate has disadvantages, since it can center too little and is not clamped to the base plate.
  • the invention has for its object to improve a device for releasably attaching an adhesive thread spool of the type mentioned in such a way that an advantageous adhesive thread spool holder and training is made, which is easy to replace and keeps access to the interior in the adhesive thread spool free.
  • the ring shoulder is provided with an outer oblique slideway designed as a guide surface for a machine-side locking pin and with a receiving ring arranged on the surface of the base plate in a detachable plug connection, in its at its bordering the inner recess of the edge of a pressure ring.
  • Such a slideway shows various advantages. For example, when the adhesive thread spool is attached to the base plate, the ring shoulder is drawn into the receiving ring by means of the locking pin and the entire adhesive thread spool is thus tensioned. This outer inclined slideway does not in any way hinder an adhesive thread which advantageously runs through the coil.
  • the machine-side base plate is preferably also equipped with a passage opening for the adhesive thread emerging from the interior of the adhesive thread spool.
  • a passage opening for the adhesive thread emerging from the interior of the adhesive thread spool is preferably also equipped with a passage opening for the adhesive thread emerging from the interior of the adhesive thread spool.
  • a particularly good bracing in the context of the plug connection according to the invention can preferably be achieved in that the base plate on its underside and in the edge region of the adhesive thread spool has offset threaded bushings, in which bolts under the pressure of a spring and acting on the pressure ring in the receiving ring are arranged.
  • the oblique slideway in the outer ring shoulder is preceded by an axially arranged opening through which the machine-side locking pin enters, which then slides along the slideway and, according to a further preferred exemplary embodiment, engages in a recess which adjoins the Connects slideway and thus locks the adhesive thread spool.
  • the outer ring shoulder of the adhesive thread spool has two steps, offset by 180 °, with slideways rising in the opposite direction, to which a depression adjoins, in each of which a resilient locking pin inserted in the receiving ring engages in a locking manner.
  • the adhesive thread is preferably unwound from the outside in (through the interior of the bobbin).
  • the neck is the Spool a profile insert with a curved spout, this spout being rotatably inserted in the profile insert for faultless thread guidance.
  • Such a thread guide prevents damage to the adhesive thread and improves its unwinding from the thread spool, which can also have a lower overall height, since there is no separate thread guide above.
  • the spool in a modified arrangement of the adhesive thread spool in the horizontal plane, for example in devices for changing the thread from top to bottom, can be detachably attached to circular segment bodies by means of a bayonet catch.
  • the plane and direction of movement of the veneer strips lies horizontally and runs between two circular segment bodies which are designed and arranged in such a way that a longitudinal slot is formed between them as a passage for the veneer strips.
  • Each of the aforementioned circular segment bodies has two opposing brackets, each of which contains a spring-loaded pin guided in an elongated hole, this pin snapping into the recess in the ring shoulder on the adhesive thread spool when the adhesive thread spool is attached.
  • the brackets are fastened to the relevant circular segment body by means of screw bolts and form a firm but detachable unit with it.
  • the thread guiding device which carries a conical mouthpiece at the thread inlet, is arranged between the adhesive thread spool detachably arranged on the vertical base plate and a guide plate for the veneer strips.
  • Each circular segment body can be provided with a ring gear on the outer circumference of its cylindrical casing part for the purpose of driving the rotary movement.
  • a machine 10 for assembling veneer strips 11 consists in a known manner of two vertical stands 12, with a support table 13 extending approximately halfway up.
  • This support table 13 is equipped with front and rear conveyor belts 14, which receive their direction of movement via deflection rollers.
  • a cross member 15 is fastened to the stands 12 and serves to guide the slide 16.
  • flat lowerable stops 21 are arranged at a distance from one another along a straight line. These stops 21 move downward from the joint 20 to the extent that the thread guide tube 17 and the pressure roller 19 move over the joint 20.
  • the movements of the carriage 16 are determined by a transport chain 22 which is coupled to the drive via corresponding aids.
  • the carriage 16 is provided with rollers 23 which roll on the cross member 15 when the carriage 16 moves along the cross member 15.
  • the thread guide tube 17 can be pivoted about the pressure roller 19 by, for example, 180 °.
  • the back and forth movement of the thread guide tube 17 is generated by the drive motor 24 via a crank mechanism 25, which sets the thread guide tube 17 in pivoting movements about its longitudinal axis.
  • the adhesive thread spools 26 with the wound adhesive thread 18 are located on a base plate 27 of the slide 16, which is horizontally attached to the slide 16 at right angles.
  • this base plate 27 carries two standing adhesive thread spools 26. These spools 26 are fastened in the manner of a bayonet catch.
  • the adhesive thread spool 26 is on the foot side (at its end with the larger outer diameter with a Ring approach 28 equipped, each having a 180 ° offset with upward sloping in the opposite direction 29, at the end of which there is a recess 30.
  • a mounting ring 31 (by means of screws or the like) is fastened to the base plate 27 for the mounting of the adhesive thread spool 26 in the manner of a bayonet lock on the base plate 27.
  • this receiving ring 31 has an internal recess 32 for receiving a separate pressure ring 33.
  • the base plate 27 is provided with threaded bushings 34 inserted from below, which are arranged in the edge area.
  • a cylinder bolt 36 which is under the pressure of a spring 35 and which together press the pressure ring 33 against the recess 32, the spring force being able to be regulated via an adjusting screw 37.
  • the adhesive thread spool 26 is to be replaced, it is pressed down along with its ring shoulder 28 until the locking pin 38 is located freely above the recess 30 and can be removed again by rotating the adhesive thread spool 26 in the opposite direction.
  • the locking pin 38 slides on the slideway 29 until it is located in an axially arranged opening 39 of the annular shoulder 28.
  • the adhesive thread spool 26 can now be removed.
  • the adhesive thread 18 is pulled (unwound) from the outside from the adhesive thread bobbin 26 into the interior of the bobbin. So that there is no tearing of the adhesive thread 18 on the neck extension 40 of the adhesive thread spool 26, a profiled insert 41 is inserted in this neck extension 40 and holds a curved spout 42 or the like in a rotatable manner, cf.
  • Fig. 2 When unwinding the adhesive thread 18 from the outer jacket of the adhesive thread spool 26, the spout 42 runs around and adapts to any position of the unwinding speed.
  • the adhesive thread spools 26 lie in the horizontal plane.
  • the thread changing device for veneer strips 11 is formed by two circularly assembled, rotatably mounted circular segment bodies 43, which are equipped with a ring gear 44 on the outer circumference of their cylindrical casing part for the purpose of driving.
  • a slot 45 is formed between the two circular segment bodies 43 as a passage for the veneer strips 11.
  • the thread guide tube 17 for the adhesive thread 18 carries a conical mouthpiece 46 and is inserted between the adhesive thread spool 26 and a guide plate 47 for the veneer strips 11.
  • the adhesive thread spools 26 are also attached to the circular segment bodies 43 in the form of a bayonet catch.
  • the lower end of the adhesive thread spool 26 is configured as previously described.
  • each circular segment body 43 has two brackets 48 or the like, which are fastened by means of screws 49.
  • the holder 48 similar to that illustrated in FIG. 3, has a locking pin 38 which is fastened to a slide 51 by means of a spring 50 and is under pressure.
  • This locking pin 38 is guided in an elongated hole 52 made in the wall of the holder 48 and is always pressed by the spring 50 in the direction of the circular segment body 43, the spring 50 being supported on an adjusting screw 37.
  • the adhesive thread spool 26 is introduced between the two holders 48 in such a way that each of the opposing openings 39 in the ring shoulder 28 are in correspondence with the pin 38 arranged in a corresponding position in the holder 48 located.
  • the locking pin 38 moves upwards against the pressure of the spring 50 acting on it on the slideway 29 of the ring extension 28 until it engages in the depression 30 by the pressure of the spring 50.
  • the adhesive thread spool 26 is now properly held in every respect.
  • the locking pin 38 To replace the empty adhesive thread spool 26, the locking pin 38 must be pulled up against the pressure of the spring 50 until it is out of the recess 30. By a renewed rotary movement of the adhesive thread spool 26, but this time in the opposite direction, the locking pin 38 slides along the interconnect 29 up to the opening 39 in the ring shoulder 28. The adhesive thread spool 26 can now are removed from the two brackets 48 ..
  • the ring extension 28 shows a circumferential groove 53 which on the one hand offers a static reinforcement and on the other hand saves material on the ring extension 28.
  • the one circumferential bead 54 (next to the groove 53) of the annular shoulder 28 has such a bead extension 54a on one side that the aforementioned bead extension 54a only has a small gap in the area of the depression 30 leaves free for the introduction of the locking pin 38.
  • This type of bead extension 54a reduces the interruption in the ring shoulder 28 compared to the embodiment according to FIG. 7, so that the adhesive threads 18 find a better (larger) contact surface in the area of the ring shoulder 28 in the wrapped state.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Finished Plywoods (AREA)
  • Manufacture Of Wood Veneers (AREA)

Claims (8)

1. Dispositiv pour la fixation détachable d'une bobine (26) de fil de collage interchangeable en forme de douille avec à son extrémité de diamètre extérieur maximal une saillie annulaire extérieure (28) sur une plaque de base (27) appartenant à la machine à assembler des bandes de bois de placage ou pièces similaires en collant un fil de collage qui se déroule d'une bobine (26) étant chauffé dans un dispositiv de guidage de fil prévu au voisinage, caractérisée par le fait, que la saillie annulaire (28) est munie d'une surface de glissement extérieure et inclinée (29) comme surface de guidage pour un doigt d'arrêt (38) appartenant à la machine et coopérant détachable à la surface de plaque de base (27) avec une bague réceptrice munie à son extrémité inférieure d'un évidement intérieur (32) dans laquelle s'engage le bord d'une bague de pression (33).
2. Dispositiv selon la revendication 1, caractérisé par le fait que la plaque de base (27) est munie d'une ouverture (27a) de passage du fil de collage (18) sortant d'intérieur de la bobine (26).
3. Dispositiv selon la revendication 1, caractérisé par le fait que la plaque de base (27) présente des douilles filétées (34) insérées avec décalage sur son côté inférieur et dans la région marginale de la bobine (26) et dans lesquelles sont disposées des tiges soumises à la pression d'un ressort (35) et agissant sur la bague de pression (33) pacée dans la bague réceptrice (31).
4. Bobine de fil de collage avec une saillie annulaire (28) du coté du pied destinée à un dispositiv selon la revendication 1, caractérisé par le fait que la saillie annulaire extérieure (28) est munie d'une surface de glissement (29) comme surface de guidage pour un doigt d'arrêt (38) appartenant à la machine avant se trouvant une ouverture axiale (39).
5. Bobine de fil de collage selon la revendication 4, caractérisé par le fait que la saillie annulaire (28) présente deux gradins (29) situés à 180° l'un de l'autre et présentant des surfaces de glissement (29) s'élevant en sens opposé et suivies d'un creux (30) destiné à recevoir le doigt d'arrêt (33).
6. Bobine de file de collage selon un des revendications 4 ou 5, caractérisé par le fait que la saillie annulaire (28) est munie d'une gorge circonférentielle (53).
7. Bobine de file de collage selon la revendication 6, caractérisé par le fait que la gorge (53) est limitée d'une bourrelet (54) de la saillie annulaire (28) située à coté de la bobine présentant d'un coté un prolongement (54a) de la bourrelet (54) laissant libre une couverture étroite (39).
8. Bobine de fil de collage selon un des revendications 4 à 7, caractérisé par le fait que dans la saillie (40) de col est disposé un élément d'insertion profilé (41) dans lequel est maintenue une douille (42) pouvant tourner , destinée à guider le fil de collage (18) de l'extérieur vers l'intérieur.
EP80100922A 1979-03-24 1980-02-23 Machine d'assemblage pour bandes de placage ou analogues Expired EP0016959B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2911611A DE2911611C2 (de) 1979-03-24 1979-03-24 Maschine zum Zusammensetzen von Furnierstreifen o.dgl.
DE2911611 1979-03-24

Publications (2)

Publication Number Publication Date
EP0016959A1 EP0016959A1 (fr) 1980-10-15
EP0016959B1 true EP0016959B1 (fr) 1983-03-02

Family

ID=6066309

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80100922A Expired EP0016959B1 (fr) 1979-03-24 1980-02-23 Machine d'assemblage pour bandes de placage ou analogues

Country Status (9)

Country Link
US (1) US4305775A (fr)
EP (1) EP0016959B1 (fr)
JP (1) JPS55128402A (fr)
AT (1) AT362566B (fr)
DE (1) DE2911611C2 (fr)
DK (1) DK154876C (fr)
ES (1) ES489549A0 (fr)
FI (1) FI69980C (fr)
FR (1) FR2452361B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UA87155C2 (ru) * 2004-08-13 2009-06-25 Хардор Меканизм Продакшн Лтд Машина для обёртывание профилей

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735629A (en) * 1956-02-21 Take-up reel apparatus
DE1575355B2 (de) * 1966-06-02 1975-02-27 Zeiss Ikon Ag, 7000 Stuttgart Bajonettverbindung für optischphotographische Zwecke
DE1628984A1 (de) * 1967-02-27 1971-03-11 Kuper Heinrich Maschine zum Querverbinden von Furnieren od.dgl.
US3502281A (en) * 1968-04-12 1970-03-24 Soo Valley Co Thread canister
AT282174B (de) * 1968-09-13 1970-06-25 Kuper Heinrich Fa Maschine zum Zusammensetzen von flachen, dünnen Werkstücken, wie Furniere, Papierblätter od.dgl.
DE2051591A1 (en) * 1970-10-21 1972-05-04 Maschinenfabrik EROTEX, Erich Rockelmann, 3440 Eschwege Bobbin draw plate used in knitting machines - with conical pin to receive the bobbin case
DE2051951A1 (de) * 1970-10-22 1972-06-15 Csajka, Walter, 8201 Grainbach LSK-Leersesselkontrollgerät
AT334067B (de) * 1973-04-16 1976-12-27 Kuper Heinrich Fa Handgerat zum verbinden und ausbessern von furnieren
DE2713522C2 (de) * 1977-03-26 1986-11-06 Heinrich Kuper GmbH & Co KG, 4835 Rietberg Vorrichtung zum Zusammensetzen von Furnierstreifen
DE2722224C2 (de) * 1977-05-17 1985-01-17 Heinrich Kuper GmbH & Co KG, 4835 Rietberg Maschine zum Zusammensetzen von Furnierstreifen o.dgl.

Also Published As

Publication number Publication date
AT362566B (de) 1981-05-25
EP0016959A1 (fr) 1980-10-15
FI69980C (fi) 1986-09-12
DE2911611A1 (de) 1980-10-02
DK82680A (da) 1980-09-25
ES8200258A1 (es) 1981-10-16
FI69980B (fi) 1986-01-31
DK154876B (da) 1989-01-02
ATA479779A (de) 1980-10-15
JPS55128402A (en) 1980-10-04
DK154876C (da) 1989-05-29
JPH0257483B2 (fr) 1990-12-05
FR2452361A1 (fr) 1980-10-24
US4305775A (en) 1981-12-15
FI800567A (fi) 1980-09-25
DE2911611C2 (de) 1986-04-30
ES489549A0 (es) 1981-10-16
FR2452361B1 (fr) 1985-10-25

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