IT202000015577A1 - SPREADING ROLLER DEVICE WITH SCREW COMPONENT FOR HOT-FUEL ADHESIVE - Google Patents

SPREADING ROLLER DEVICE WITH SCREW COMPONENT FOR HOT-FUEL ADHESIVE Download PDF

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Publication number
IT202000015577A1
IT202000015577A1 IT102020000015577A IT202000015577A IT202000015577A1 IT 202000015577 A1 IT202000015577 A1 IT 202000015577A1 IT 102020000015577 A IT102020000015577 A IT 102020000015577A IT 202000015577 A IT202000015577 A IT 202000015577A IT 202000015577 A1 IT202000015577 A1 IT 202000015577A1
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Italy
Prior art keywords
roller
axis
spreading
adhesive
hot
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IT102020000015577A
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Italian (it)
Inventor
Luigino Salvador
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TIESSE di Salvador Luigino
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Priority to IT102020000015577A priority Critical patent/IT202000015577A1/en
Publication of IT202000015577A1 publication Critical patent/IT202000015577A1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/006Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to the edges of essentially flat articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0813Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00Commerce
    • G06Q30/018Certifying business or products
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0821Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by driving means for rollers or work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/10Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the liquid or other fluent material being supplied from inside the roller

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  • Business, Economics & Management (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Accounting & Taxation (AREA)
  • Development Economics (AREA)
  • Economics (AREA)
  • Finance (AREA)
  • Marketing (AREA)
  • Strategic Management (AREA)
  • Physics & Mathematics (AREA)
  • General Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Coating Apparatus (AREA)

Description

Descrizione di invenzione industriale intitolata: Titled Industrial Invention Description:

?DISPOSITIVO RULLO SPALMATORE CON COMPONENTE A COCLEA PER ADESIVO TERMOFONDENTE? ?COATER ROLLER DEVICE WITH SCREW COMPONENT FOR HOT-FUNCTION ADHESIVE?

L'invenzione riguarda un gruppo spalmatore per applicare del collante termofondente su superfici piane mediante un rullo motorizzato dotato di particolari peculiarit? tecniche. The invention relates to a spreading unit for applying hot-melt glue on flat surfaces by means of a motorized roller equipped with particular peculiarities. techniques.

Attualmente, per la spalmatura di collanti termofondenti su superfici piane quali bordi di elementi d?arredo, pannelli in fibre legnose o di altra natura ecc? si impiegano dei gruppi/dispositivi montati su macchine bordatrici per legno, e composti da: Currently, for the spreading of hot-melt adhesives on flat surfaces such as the edges of furnishings, panels in wood fibers or of other nature, etc.? groups/devices mounted on edge banding machines for wood are used, and made up of:

-un gruppo spalmatore composto da un rullo motorizzato generalmente di forma cilindrica dotato sull?esterno di una zigrinatura in grado di trattenere il collante termofondente in forma fluida dato il riscaldamento a cui ? sottoposto mediante elementi riscaldanti e collegato ad un serbatoio per il collante di varia forma e/o genere. - a spreading group composed of a motorized roller generally of cylindrical shape equipped on the outside with a knurling capable of retaining the hot-melt adhesive in fluid form given the heating at which it is? subjected by means of heating elements and connected to a tank for the glue of various shapes and/or kinds.

Tuttavia tutte queste tipologie di gruppi/dispositivi hanno delle criticit? e in particolare, However, all these types of groups/devices have some critical points? and in particular,

non possono regolare l?altezza di spalmatura del collante sul rullo in base allo spessore in lavorazione; non si pu? smontare il rullo spalmatore senza smontare completamente il gruppo/dispositivo; c?? il rischio che le racle di regolazione del collante rovinino la superficie del rullo essendo potenzialmente in contrasto meccanico con il rullo se forzate; il disegno del rullo generalmente zigrinato incrociato non permette una rapida pulizia dello stesso, ecc. they cannot adjust the glue spreading height on the roller based on the thickness being worked; can't you? disassemble the spreading roller without completely disassembling the group/device; c?? the risk that the adhesive regulating doctor blades damage the surface of the roller, potentially being in mechanical conflict with the roller if forced; the generally cross-knurled design of the roller does not allow for rapid cleaning of the same, etc.

La presente invenzione si propone lo scopo di realizzare un dispositivo per la The object of the present invention is to provide a device for the

spalmatura del collante termofondente dotato di caratteristiche nuove e innovative tali da eliminare i suddetti inconvenienti dei dispositivi attualmente adoperati ottenendo cosi spreading of the hot-melt glue with new and innovative characteristics such as to eliminate the aforementioned drawbacks of the devices currently used, thus obtaining

un miglioramento complessivo nell'utilizzo di questa tipologia di dispositivi sia in ambito di miglioramento della qualit? dell?incollaggio che nella facilit? d?uso e riduzione dei costi di intervento e/o manutenzione. an overall improvement in the use of this type of device both in terms of quality improvement? of? gluing that in the ease? of use and reduction of intervention and/or maintenance costs.

L'invenzione verr? meglio compresa dalla seguente descrizione, a solo scopo esemplificativo non limitativo, e con riferimento agli uniti disegni in cui: Will the invention come? better understood from the following description, by way of non-limiting example only, and with reference to the attached drawings in which:

Fig. 1 mostra una vista prospettica frontale dall?alto del dispositivo conforme alla Fig. 1 shows a front perspective view from above of the device according to the

presente invenzione, in una prima forma di realizzazione. present invention, in a first embodiment.

Fig.2 mostra una sezione laterale B-B come indicato in Fig.1 Fig.2 shows a side section B-B as indicated in Fig.1

Fig. 3 mostra una sezione A-A come indicato nella Fig.1 Fig. 3 shows a section A-A as indicated in Fig.1

Fig. 4 mostra una vista prospettica posteriore dal basso del dispositivo conforme alla Fig. 4 shows a bottom rear perspective view of the device according to

presente invenzione, con il corpo 1) tratteggiato per maggior chiarezza. present invention, with the body 1) dotted for greater clarity.

Fig. 5 mostra il particolare del rullo 7) con il profilo elicoidale Fig. 5 shows the detail of the roller 7) with the helical profile

Fig. 6 vista inferiore Fig. 6 bottom view

Nelle suddette figure, viene rappresentato schematicamente un dispositivo di spalmatura, esso viene montato generalmente su macchine per la lavorazione del legno denominate ?bordatrici? e ha lo scopo di spalmare del collante termofondente sui bordi dei pannelli da rivestire con appositi profili di finitura (bordi) o direttamente sui profili di finitura stessi, usando collante generalmente di tipo EVA, PU, PUR ecc.. questo collante viene riscaldato e reso fluido grazie al calore emanato da appositi elementi riscaldanti 5) generalmente di natura resistiva. In the aforementioned figures, a spreading device is schematically represented, it is generally mounted on woodworking machines called ?edging machines? and has the purpose of spreading hot-melt adhesive on the edges of the panels to be covered with special finishing profiles (edges) or directly on the finishing profiles themselves, using glue generally of the EVA, PU, PUR type etc.. this glue is heated and made fluid thanks to the heat emanating from special heating elements 5) generally of a resistive nature.

La particolarit? di questo dispositivo (fig.1) ? che le racle 4-6) normalmente atte a regolare semplicemente la quantit? di collante che pu? passare tra esse e il rullo spalmatore 7) (dosando cosi la quantit? che andr? poi a trasferirsi sul pannello) possono ruotare sull?asse 3-8) parallelo all?asse 9) del rullo 7), esse per? sono poste ad una distanza pari a ? diametro della/e racle 4-6) sommato al ? diametro del rullo 7) con una tolleranza H/h7 (ma non limitatamente) tra le due parti, tale da garantire la rotazione del rullo e della racla senza che vi sia contatto meccanico, ma sufficientemente piccola da impedire la fuoriuscita del collante quando la/e racle 4-6) sono ruotate sul proprio asse 3-8) lasciando la superficie 17) delle stesse, rivolte all?interno del dispositivo e facendo coincidere uno qualsiasi dei punti di circonferenza facenti centro in 3-8. The particularity? of this device (fig.1) ? that the doctor blades 4-6) normally suitable for simply regulating the quantity? glue that can? pass between them and the spreading roller 7) (thus dosing the quantity which will then be transferred to the panel) can rotate on the axis 3-8) parallel to the axis 9) of the roller 7), but they? are placed at a distance equal to ? diameter of the doctor blade(s) 4-6) added to the ? diameter of the roller 7) with a tolerance H/h7 (but not limited) between the two parts, such as to guarantee the rotation of the roller and the doctor blade without there being mechanical contact, but sufficiently small to prevent the leakage of the adhesive when the/ and doctor blades 4-6) are rotated on their own axis 3-8) leaving their surface 17) facing the inside of the device and making any of the circumference points having a center at 3-8 coincide.

Viceversa, (fig.3) la rotazione della/e racle 4-6) sui loro assi di rotazione/scorrimento 3-8) fino al punto in cui lo spigolo 11) incontra la superficie 12) del rullo 7), nel senso indicato dalla freccia 15) costituisce il punto limite per garantire la raschiatura dell?adesivo 14) e il contenimento dello stesso all?interno della camera 13), continuando la rotazione nel senso della freccia 15) otterremo una spalmatura sul rullo 7) di uno spessore prestabilito dalla luce creatasi tra il rullo 7) e lo spigolo 11) via via crescente con l?aumentare della rotazione nel senso della freccia Conversely, (fig.3) the rotation of the doctor blade(s) 4-6) on their rotation/sliding axes 3-8) up to the point where the corner 11) meets the surface 12) of the roller 7), in the direction indicated from the arrow 15) constitutes the limit point to guarantee the scraping of the adhesive 14) and its containment inside the chamber 13), continuing the rotation in the direction of the arrow 15) we will obtain a spreading on the roller 7) of a pre-established thickness by the light created between the roller 7) and the corner 11) gradually increasing with the increase of the rotation in the direction of the arrow

15) tale spessore si potr? altres? diminuire agendo sulla/e racle 4-6) in senso opposto a quello delle frecce 15) fino ad azzerarsi e a tornare alla condizione originale. 15) this thickness you can? otherwise? decrease by acting on the doctor blade(s) 4-6) in the opposite direction to that of the arrows 15) until zeroing and returning to the original condition.

La caratteristica speciale e unica di questo dispositivo (Fig.4) consta anche nella possibilit? di far scorrere sull?asse 3-8) la/e racle 4-6) in modo tale che lo spigolo 11) congiuntamente allo spigolo 16) garantiscano il limite geometrico superiore della superficie 17) presente sulla/e racle 4-6), pertanto facendo scorrere questa/e lungo l?asse 3-8) nel senso della freccia 28) dalla posizione A di massima altezza di spalmatura, fino alla posizione B di minima altezza di spalmatura, otterremo una regolazione dell?altezza del collante spalmato sul rullo 7) senza soluzione di continuit? indipendentemente dalla posizione angolare della/e racle stesse. The special and unique feature of this device (Fig.4) also consists in the possibility? to make the doctor blade/s 4-6) slide along the axis 3-8) in such a way that the corner 11) together with the corner 16) guarantee the upper geometric limit of the surface 17) present on the doctor blade/s 4-6), therefore by sliding this/these along the axis 3-8) in the direction of the arrow 28) from position A of maximum spreading height, to position B of minimum spreading height, we will obtain an adjustment of the height of the glue spread on the roller 7) seamless? regardless of the angular position of the doctor blade/s themselves.

Le racle 4-6) presentano una superficie 17) che pu? essere parallela all?asse 3-8) e pu? essere piana, questa superficie viene chiusa inferiormente da una linguetta/elemento di tenuta 24) che ha la sezione ortogonale all?asse 3-8) pari alla sezione mancante e corrispondente sulle racle 4-6) in corrispondenza della rispettiva fresata, questa linguetta ? tenuta appoggiata al componente 1) mediante idoneo sistema di fissaggio 26), (Fig.6) che le lascia cmq. libere di ruotare sui rispettivi assi 3-8). The doctor blades 4-6) have a surface 17) which can be parallel to the axis 3-8) and pu? be flat, this surface is closed at the bottom by a tongue/sealing element 24) which has the section orthogonal to the axis 3-8) equal to the missing section and corresponding on the doctor blades 4-6) in correspondence with the respective milled, this tongue ? seal resting on the component 1) by means of a suitable fixing system 26), (Fig.6) which leaves them cmq. free to rotate on their respective axes 3-8).

Questa caratteristica che garantisce alle racle la doppia funziona di regolazione dell?altezza di spalmatura sul rullo e dello spessore dell?adesivo sul rullo ? unica e innovativa. This feature that guarantees the doctor blades the double function of adjusting the spreading height on the roller and the thickness of the adhesive on the roller? unique and innovative.

In Fig.2) vediamo il gruppo dispositivo che mediante l?estrazione rispettivamente verso l?alto del perno 18) sull?asse 9) del rullo e verso il basso del perno 19) sull?asse 9) liberano il rullo 7) e ne consentono un rapido smontaggio estraendo lo stesso dall?apertura che si ottiene togliendo il componente 2) fissato al corpo 1) a mezzo di adeguato fissaggio. (Fig.1) In Fig.2) we see the device unit which by pulling the pin 18) upwards on the roller axis 9) and the pin 19) downwards on the axis 9) respectively, frees the roller 7) and allow rapid disassembly by extracting the same from the opening obtained by removing the component 2) fixed to the body 1) by means of suitable fastening. (Fig.1)

In fig.5) vediamo un particolare del rullo 7) dal quale si evince lo speciale profilo elicoidale continuo che garantisce una facilit? di pulizia e lo rende autopulente verso le particelle solide che eventualmente dovessero accumularvisi mescolate al collante, avendo un profilo elicoidale che con il moto rotatorio sull?asse 9) genera una componente di spinta a scendere o a salire a seconda che il rullo 7) giri in senso orario O) o antiorario AO) movimentato dalla motorizzazione 20) Fig.1) o dal senso dell?elica destra o sinistra. In fig.5) we see a detail of the roller 7) which shows the special continuous helical profile which guarantees ease? cleaning and makes it self-cleaning towards any solid particles which may eventually accumulate mixed with the adhesive, having a helicoidal profile which, with the rotary motion on the axis 9) generates a downward or upward thrust component depending on whether the roller 7) rotates clockwise O) or counterclockwise AO) moved by the drive 20) Fig.1) or by the direction of the right or left helix.

In Fig.2) vediamo un'altra caratteristica unica ed innovativa di questo dispositivo di spalmatura, infatti il rullo 7) che ruota sull?asse 9) ? cavo all?interno in modo da poter far circolare il collante 14) attraverso i perni o supporti 18) e 19) sagomati specificatamente. In Fig.2) we see another unique and innovative feature of this spreading device, in fact the roller 7) which rotates on the axis 9) ? hollow inside so as to be able to circulate the glue 14) through the specifically shaped pins or supports 18) and 19).

Inoltre il componente 21) inserito nel perno 18) o sul corpo 1) (in configurazione fissa oppure rotante sull?asse 9) presenta una conformazione ?a elica o c?clea? con profilo costante continuo o interrotto con variazioni del profilo, passo e/o sezione) che permette grazie all?attrito del collante sulle pareti interne del rullo 7) e quello sul componente 21) di generare una spinta assiale verso l?alto o verso il basso a seconda del senso di rotazione del rullo 7) sull?asse 9) del collante 14); il componente 21) dispone di un foro 22) attraverso il quale pu? essere iniettato un colorante concentrato a base d?alcol o altro, atto a cambiare il colore al collante stesso, questo colorante si mescola al collante 14) uscendo da uno o pi? fori 23) posti sul pezzo 21) e mescolato grazie al moto vorticoso creato dal componente 21) e dal rullo 7). Furthermore, the component 21) inserted in the pin 18) or on the body 1) (in a fixed configuration or rotating on the axis 9) has a ?helix or auger? configuration? with constant continuous or interrupted profile with variations in profile, pitch and/or section) which allows, thanks to the friction of the adhesive on the internal walls of the roller 7) and that on the component 21) to generate an axial thrust upwards or downwards low according to the direction of rotation of the roller 7) on the axis 9) of the glue 14); component 21) has a hole 22) through which it can? be injected a concentrated dye based on alcohol or other, able to change the color of the glue itself, this dye mixes with the glue 14) coming out of one or more? holes 23) placed on the piece 21) and mixed thanks to the swirling motion created by the component 21) and by the roller 7).

Un?altra variante dello stesso dispositivo, pu? essere costruita usando anzich? l?elemento 21) come c?clea per far ricircolare il collante, si pu? utilizzare il rullo colla 7) che come detto ? cavo all?interno, sagomando opportunamente la superficie interna dello stesso con un profilo elicoidale lungo l?asse 9). Another variant of the same device, pu? be built using instead of? element 21) as c?clea to recirculate the glue, can you? use the glue roller 7) which as mentioned ? hollow inside, suitably shaping the internal surface of the same with a helical profile along the axis 9).

Il componente 21) in versione motorizzata sull?asse 9) con c?clea, e il rullo 7) con c?clea interna possono anche essere pensati e dimensionati per un utilizzo combinato e contemporaneo. The component 21) in the motorized version on the axis 9) with auger, and the roller 7) with an internal auger can also be designed and sized for combined and simultaneous use.

Il collante 14) quindi circola con moto ascendente (Fig.2 freccia x) o discendente (freccia y) attraverso il rullo 7) i perni o simili 18) e 19) e all?interno della parte 1) opportunamente sagomata all?interno e sigillata verso l?esterno, favorendo la distribuzione del calore, mescolando se necessario il colorante e in generale restando esso stesso mescolato, anche questo aspetto ? unico e innovativo. Il collante 14) mano a mano che viene spalmato sui pezzi in lavorazione, viene riapprovvigionato attraverso una o pi? aperture, in questo caso il foro 20) opportunamente posizionate e dimensionate. Inoltre il dispositivo di spalmatura nel corpo 1) ha un?apertura 2) a tenuta, smontabile, che garantisce l?estrazione del rullo 7). The adhesive 14) then circulates with an ascending (Fig.2 arrow x) or descending (arrow y) motion through the roller 7) the pins or the like 18) and 19) and inside the part 1) suitably shaped inside and sealed towards the outside, favoring the distribution of heat, mixing the dye if necessary and generally remaining mixed itself, this aspect too? unique and innovative. The glue 14) as it is spread on the pieces being processed, is replenished through one or more? openings, in this case the hole 20) suitably positioned and sized. Furthermore, the spreading device in the body 1) has a sealed, removable opening 2) which guarantees the extraction of the roller 7).

Un dispositivo atto alla spalmatura mediante contatto di collanti termofondenti, composto da un rullo 7) motorizzato sull?asse 9) mediante un sistema di trasmissione 20) caratterizzato dal fatto di avere il rullo 7) cavo all?interno in modo da permettere il passaggio e il ricircolo del collante attraverso di esso sfruttando una conformazione particolare dei perni 18-19) e del corpo 1) adeguatamente conformati per garantire la circolazione interna del collante nel circuito cosi creatosi. A device suitable for spreading hot-melt adhesives by contact, consisting of a roller 7) motorized on the axis 9) by means of a transmission system 20) characterized by the fact that the roller 7) is hollow inside so as to allow the passage and the recirculation of the glue through it by exploiting a particular shape of the pins 18-19) and of the body 1) suitably shaped to guarantee the internal circulation of the glue in the circuit thus created.

Un dispositivo atto alla spalmatura mediante contatto di collanti termofondenti, composto da un rullo 7) motorizzato sull?asse 9) mediante un sistema di trasmissione 20) caratterizzato dal fatto di avere all?interno del rullo colla 7) un componente 21) atto al rimescolamento e a generare il moto del collante in associazione al rullo 7) tale componente 21) svolge inoltre la funzione di iniettore per un colorante per il collante al bisogno. A device suitable for spreading hot-melt adhesives by contact, consisting of a roller 7) motorized on the axis 9) by means of a transmission system 20) characterized by the fact that it has a component 21) inside the glue roller 7) suitable for mixing and to generate the motion of the glue in association with the roller 7) this component 21) also performs the function of injector for a dye for the glue as needed.

Tale componente 21) ? conformato all?interno in modo da formare una ?c?clea? che grazie alla rotazione del rullo 7) genera un moto circolatorio del collante ascendente o discendente (freccia x o freccia y Fig.2) a seconda del senso di rotazione del rullo 7) e del senso dell?elica della c?clea stessa. Un dispositivo di spalmatura 1) atto alla spalmatura mediante contatto di collanti termofondenti, composto da un rullo 7) motorizzato sull?asse 9) mediante un sistema di trasmissione 20), caratterizzato dal fatto che il rullo 7) ? estraibile dal corpo del gruppo/dispositivo senza dover smontare integralmente il gruppo stesso, lo stesso rullo presenta un profilo ricavato sulla superficie esterna 12) di tipo elicoidale continuo con asse di rivoluzione coincidente con l?asse 9) con profondit?, profilo, passo e verso del profilo variabile a seconda dell?utilizzo. (Fig.5) ? sufficiente infatti estrarre i perni o dispositivi analoghi 18) verso l?alto e 19) verso il basso, per liberare il rullo e permetterne lo smontaggio. This component 21) ? shaped inside to form a ?c?clea? which thanks to the rotation of the roller 7) generates a circulatory motion of the ascending or descending glue (arrow x or arrow y Fig.2) according to the direction of rotation of the roller 7) and the direction of the helix of the auger itself. A spreading device 1) suitable for spreading hot-melt adhesives by contact, consisting of a roller 7) motorized on the axis 9) by means of a transmission system 20), characterized in that the roller 7) is? extractable from the body of the group/device without having to completely disassemble the group itself, the same roller has a profile obtained on the external surface 12) of the continuous helical type with the axis of revolution coinciding with the axis 9) with depth, profile, pitch and direction of the variable profile according to use. (Fig.5) ? in fact, it is sufficient to extract the pins or similar devices 18) upwards and 19) downwards, to free the roller and allow it to be disassembled.

Claims (10)

RIVENDICAZIONI 1. Un dispositivo atto alla spalmatura mediante contatto di collanti termofondenti composto da un rullo 7) motorizzato sull?asse 9) mediante un sistema di trasmissione 20) caratterizzato dal fatto di avere all?interno del rullo colla 7) un componente 21) atto al rimescolamento e a generare il moto del collante in associazione al rullo 7) laddove tale componente 21) ? conformato all?interno in modo da formare una ?c?clea?.1. A device suitable for spreading hot-melt adhesives by contact consisting of a roller 7) motorized on the axis 9) by means of a transmission system 20) characterized in that it has a component 21) inside the glue roller 7) suitable for mixing and to generate the motion of the glue in association with the roller 7) where this component 21) ? shaped inside so as to form a ?c?clea?. 2. Un dispositivo atto alla spalmatura mediante contatto di collanti termofondenti secondo la rivendicazione 1, composto da un rullo 7) motorizzato sull?asse 9) mediante un sistema di trasmissione 20) caratterizzato dal fatto di avere un sistema di regolazione dell?altezza di spalmatura dell?adesivo sul rullo 7) lungo l?asse 9) e dello spessore dello strato depositato radialmente sul rullo 7) mediante uno o pi? dispositivi denominati racla 4- 6) caratterizzati dal fatto di poter scorrere sull?asse 3-8) sia in senso assiale che di ruotare sul medesimo asse mediante comandi manuali o automatici anche motorizzati o servoassistiti.2. A device suitable for spreading hot-melt adhesives by contact according to claim 1, composed of a roller 7) motorized on the axis 9) by means of a transmission system 20) characterized in that it has a system for regulating the spreading height of the adhesive on the roller 7) along the axis 9) and of the thickness of the layer deposited radially on the roller 7) by one or more? devices known as doctor blades 4-6) characterized by the fact that they can slide on the axis 3-8) both axially and rotate on the same axis by means of manual or automatic controls, also motorized or servo-assisted. 3. Un dispositivo atto alla spalmatura mediante contatto di collanti termofondenti secondo la rivendicazione 1, composto da un rullo 7) motorizzato sull?asse 9) mediante un sistema di trasmissione 20) caratterizzato dal fatto di avere il rullo 7) cavo all?interno.3. A device suitable for spreading hot-melt adhesives by contact according to claim 1, composed of a roller 7) motorized on the axis 9) by means of a transmission system 20) characterized in that the roller 7) is hollow inside. 4. Un dispositivo di spalmatura 1) atto alla spalmatura mediante contatto di collanti termofondenti secondo la rivendicazione 1, composto da un rullo 7) motorizzato sull?asse 9) mediante un sistema di trasmissione 20), caratterizzato dal fatto che il rullo 7) ? estraibile dal corpo del gruppo/dispositivo senza dover smontare integralmente il gruppo stesso, lo stesso rullo presenta un profilo ricavato sulla superficie esterna 12) di tipo elicoidale continuo con asse di rivoluzione coincidente con l?asse 9) con profondit?, profilo, passo e verso del profilo variabile (Fig.5).4. A spreading device 1) suitable for spreading hot-melt adhesives by contact according to claim 1, composed of a roller 7) motorized on the axis 9) by means of a transmission system 20), characterized in that the roller 7) is? extractable from the body of the group/device without having to completely disassemble the group itself, the same roller has a profile obtained on the external surface 12) of the continuous helical type with the axis of revolution coinciding with the axis 9) with depth, profile, pitch and direction of the variable profile (Fig.5). 5. Un dispositivo di spalmatura secondo la rivendicazione 2 caratterizzato dal fatto (Fig. 3) che la posizione dell?asse o degli assi 3-8)) ? parallela all?asse 9) e la distanza D) tra uno qualunque dei 2 assi 3-8) e l?asse 9) ? pari alla met? del diametro esterno della/e racle 4-6) sommato a met? diametro esterno del rullo spalmatore 7), la tolleranza su tale interasse ? tale da non avere contatto meccanico tra rullo 7) e racla 4-6) qualunque sia l?angolo di rotazione sui rispettivi assi, ma anche tale da garantire che non vi sia luce di passaggio tra i due elementi al punto10) da creare una fuoriuscita di adesivo quando le superfici pressoch? cilindriche del rullo 7) e delle racle 4-6) sono coincidenti in quel punto.5. A spreading device according to claim 2 characterized in that (Fig. 3) the position of the axis or axes 3-8)) is? parallel to axis 9) and the distance D) between any one of the 2 axes 3-8) and axis 9) ? equal to half of the external diameter of the / and squeegee 4-6) added to half? external diameter of the spreading roller 7), the tolerance on this center distance ? such as to have no mechanical contact between the roller 7) and the doctor blade 4-6) whatever the angle of rotation on the respective axes, but also such as to guarantee that there is no passage gap between the two elements in point 10) to create a leak of adhesive when the surfaces almost? cylindrical shapes of the roller 7) and of the doctor blades 4-6) coincide at that point. 6. Un dispositivo di spalmatura secondo la rivendicazione 2 caratterizzato dal fatto che la/e racle 4-6) possono essere controllate senza soluzione di continuit? e in modo indipendente una dall?altra o in sincrono, sia nei movimenti lungo l?asse 3-8) che nelle rotazioni lungo lo stesso asse.6. A spreading device according to claim 2 characterized in that the doctor blade(s) 4-6) can be controlled without interruption? and independently of each other or synchronously, both in movements along the axis 3-8) and in rotations along the same axis. 7. Un dispositivo di spalmatura secondo la rivendicazione 2 caratterizzato dal fatto che (Fig.4) il foro 25) attraverso il quale passa la racla 4-6) presenta al suo interno un elemento 24) che garantisce la tenuta e impedisce la fuoriuscita dell?adesivo, tale elemento ruota sull?asse 3-8) assieme con la/e racle 4-6) ma a differenza di queste non scorre liberamente sull?asse 3-8) perch? tenuto in posizione da un elemento 26) (Fig.6) o altro sistema di ritenuta assiale e detto elemento di tenuta 24) che ha la sezione, se misurata ortogonalmente all?asse 3-8) pari alla sezione mancante e corrispondente sulle racle 4-6) in corrispondenza della rispettiva fresata 17).7. A spreading device according to claim 2 characterized in that (Fig.4) the hole 25) through which the doctor blade 4-6 passes has inside it an element 24) which guarantees the seal and prevents the leakage of the ?adhesive, this element rotates on the 3-8 axis) together with the doctor blade(s) 4-6) but unlike these it does not slide freely on the 3-8 axis) why? held in position by an element 26) (Fig.6) or other axial retention system and said sealing element 24) which has the section, if measured orthogonally to the axis 3-8) equal to the missing section and corresponding on the doctor blades 4 -6) in correspondence with the respective milling 17). 8. Un dispositivo di spalmatura secondo la rivendicazione 3 caratterizzato dal fatto che il rullo 7) ? cavo all?interno presentando uno scarico di forma pressoch? cilindrica lungo l?asse 9) dello stesso, per permettere la ricircolazione del collante 14).8. A spreading device according to claim 3 characterized in that the roller 7) is? cable inside, presenting a discharge shape almost? cylindrical along the axis 9) of the same, to allow the recirculation of the glue 14). 9. Un dispositivo di spalmatura secondo la rivendicazione 3 caratterizzato dal fatto che il componente 21) inserito in asse 9) con il rullo 7) presenta un profilo ad ?elica o c?clea? tale da garantire la circolazione del collante 14) all?interno del rullo 7) con moto ascendente (x) o discendente (y) (Fig.2) a seconda del verso dell?elica della coclea e del senso di rotazione del rullo 7).9. A spreading device according to claim 3 characterized in that the component 21) inserted in axis 9) with the roller 7) has a ?helix or screw? such as to guarantee the circulation of the adhesive 14) inside the roller 7) with an ascending (x) or descending (y) motion (Fig.2) according to the direction of the auger propeller and the direction of rotation of the roller 7) . 10. Un dispositivo di spalmatura secondo la rivendicazione 1 caratterizzato dal fatto che il rullo 7) presenta la parte cava interna sagomata a forma di ?elica o c?clea? laddove la stessa c?clea ? ricavata sulla superficie interna del rullo cavo con un profilo elicoidale 10. A spreading device according to claim 1 characterized in that the roller 7) has the internal hollow part shaped like a helix or screw? where the same c?clea ? obtained on the internal surface of the hollow roller with a helical profile
IT102020000015577A 2020-06-29 2020-06-29 SPREADING ROLLER DEVICE WITH SCREW COMPONENT FOR HOT-FUEL ADHESIVE IT202000015577A1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3623451A (en) * 1968-10-16 1971-11-30 Advance Products Inc Glue roller assembly
DE2513592A1 (en) * 1975-03-27 1976-10-07 Reich Maschf Gmbh Karl Automatic feed glue spreader for edge-glueing machine - has spiral conveyor to return excess glue to glue pot
EP0689880A2 (en) * 1994-06-29 1996-01-03 ZIBULLA & SOHN GMBH Raziol-Schmierungstechnik Device for greasing workpieces during the forming or the rolling
ITTO20100631A1 (en) * 2010-07-21 2012-01-22 Raised Floor Technologies Ltd EDGEBANDING STATION FOR A PRODUCTION LINE OF PANELS FOR RAISED FLOORS

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3623451A (en) * 1968-10-16 1971-11-30 Advance Products Inc Glue roller assembly
DE2513592A1 (en) * 1975-03-27 1976-10-07 Reich Maschf Gmbh Karl Automatic feed glue spreader for edge-glueing machine - has spiral conveyor to return excess glue to glue pot
EP0689880A2 (en) * 1994-06-29 1996-01-03 ZIBULLA & SOHN GMBH Raziol-Schmierungstechnik Device for greasing workpieces during the forming or the rolling
ITTO20100631A1 (en) * 2010-07-21 2012-01-22 Raised Floor Technologies Ltd EDGEBANDING STATION FOR A PRODUCTION LINE OF PANELS FOR RAISED FLOORS

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