IT9042521A1 - DEVICE FOR THE DETACHMENT OF ENVELOPES OR PRE-CUT FINISHED PIECES RECEIVED, WITH THERMAL OR HIGH FREQUENCY WELDING PROCEDURE, FROM ONE OR MORE CONTINUOUS THERMAL WELDABLE PLASTIC FILMS - Google Patents
DEVICE FOR THE DETACHMENT OF ENVELOPES OR PRE-CUT FINISHED PIECES RECEIVED, WITH THERMAL OR HIGH FREQUENCY WELDING PROCEDURE, FROM ONE OR MORE CONTINUOUS THERMAL WELDABLE PLASTIC FILMS Download PDFInfo
- Publication number
- IT9042521A1 IT9042521A1 IT042521A IT4252190A IT9042521A1 IT 9042521 A1 IT9042521 A1 IT 9042521A1 IT 042521 A IT042521 A IT 042521A IT 4252190 A IT4252190 A IT 4252190A IT 9042521 A1 IT9042521 A1 IT 9042521A1
- Authority
- IT
- Italy
- Prior art keywords
- films
- rollers
- finished pieces
- detachment
- pieces
- Prior art date
Links
- 238000003466 welding Methods 0.000 title claims description 8
- 238000000034 method Methods 0.000 title claims description 6
- 239000002985 plastic film Substances 0.000 title abstract 2
- 229920006255 plastic film Polymers 0.000 title abstract 2
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000003825 pressing Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
- B26D7/1827—Means for removing cut-out material or waste by tearing
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
D E S C R I Z I O N E DESCRIPTION
annessa a domanda di brevetto per INVENZIONE INDUSTRIALE avente per titolo: attached to a patent application for INDUSTRIAL INVENTION entitled:
DISPOSITIVO PER IL DISTACCO DI BUSTE O PEZZI FINITI PRE-INTAGLIATI RICAVATI, CON PROCEDIMENTO DI SALDATURA TERMICA O AD ALTA FREQUENZA, DA UNO D PIU' FILMS CONTINUI DI MATERIALE PLASTICO TERMOSALDABILE. DEVICE FOR THE DETACHMENT OF ENVELOPES OR PRE-CARVED FINISHED PARTS, WITH A THERMAL OR HIGH FREQUENCY WELDING PROCESS, FROM ONE D MORE CONTINUOUS FILMS OF HEAT-SEALABLE PLASTIC MATERIAL.
DESCRIZIONE DESCRIPTION
Forma oggetto del presente trovato un dispositivo per il distacco di buste o pezzi finiti pre-intagliati ricavati, con procedimento di saldatura termica o ad alta frequenza, da uno o piò films continui di materiale plastico termosaldabile. The present invention relates to a device for detaching envelopes or pre-carved finished pieces obtained, by means of a thermal or high-frequency welding process, from one or more continuous films of heat-sealable plastic material.
Nella produzione in continuo di buste, oi di lavorati in genere in materiale plastico termossidabile si pone il problema, a lavorazione effettuata, della'separazione delle In the continuous production of envelopes, or of processed products in general in heat-resistant plastic material, the problem arises, once the processing has been carried out, of the separation of
adattare le pinze al prodotto da trattare adapt the pliers to the product to be treated
Scopo del presente trovato è quello di eliminare gli incovivenienti so ra lamentati ed The purpose of the present invention is to eliminate the above-mentioned inconveniences and
automatico costruttivamente semplice 1 e di facile regolazione, in modo da ottenere risparmi nei costi di costruzione e in modo da ridurre i tempii di preparazione del dispositivo per i prodotti da trattare,, Ulteriore scopo è quello di garantire? una produttività sostanzialmente coincidente con quella delle macchine a monte., quali le saldatrici in modo che il dispositivo possa essere inserito nella linea di .lavorazione senza ridurre la produttività della linea stessa. constructively simple 1 and easy to adjust, in order to obtain savings in construction costs and in such a way as to reduce the preparation time of the device for the products to be treated. a productivity substantially coinciding with that of upstream machines, such as welding machines, so that the device can be inserted in the processing line without reducing the productivity of the line itself.
Detti scopi sono pienamente raggiunti dal dispositivo per il distacco di buste o pezzi finizi pre-intagliati ricavati, con procedimento di saldatura termica o ad alta frequenza, da uno più films continu i di materiale plastico termosaldabile, oggetto del presente trovato, caratterizzato dal fatto che comprende*dei mezzi atti a premere contro detti filma che avanzano su un piano di lavoro, in corrispondenza di una zona angolare periferica dei pezzi finiti, in modo da produrre uniparziale distacco di detti pezzi finiti dal o dai films continui di materiale plastico, lungo il perimetro di pre-intaglio; mezzi atti a completare il distacco dei pezzi finiti e ad avviarli su un nastro trasportatare per la loro raccolta in uscita dal dispositivo, e atti a raccogliere lo strido o scarto dei films, costituiti da: rulli di rinvio atti a deviare il percorso dei films di 90° sullo stesso piano. Said purposes are fully achieved by the device for detaching envelopes or pre-carved finished pieces obtained, with a thermal or high frequency welding process, from one or more continuous films of heat-sealable plastic material, object of the present invention, characterized in that comprises * means adapted to press against said films which advance on a work surface, in correspondence with a peripheral angular zone of the finished pieces, so as to produce uniparial detachment of said finished pieces from the continuous films of plastic material, along the pre-notch perimeter; means suitable for completing the detachment of the finished pieces and for starting them on a conveyor belt for their collection at the output of the device, and suitable for collecting the screech or waste of the films, consisting of: return rollers suitable for diverting the path of the films 90 ° on the same floor.
gli assi di detti rulli, formando con l'asse di avanzamento dei films un angolo di 45° comprendente aliproprio interno i mezzi atti premere contro i films per produrre un parziale;distacco dei pezzi finiti; mezzi di trascinamento dello sfrido. the axes of said rollers, forming an angle of 45 ° with the axis of advancement of the films, including internally the means adapted to press against the films to produce a partial detachment of the finished pieces; means for dragging the scrap.
Questa ed altre caratteristiche risulteranno maggiormemte evidenziate dalla descrizione seguente di una preferita forma di realizsaziona illustrata. a puro titolo esemplificativo e non limitativo, nell'unita tavola di disegno, in cui; This and other features will become more evident from the following description of a preferred illustrated embodiment. purely by way of non-limiting example, in the joint drawing table, in which;
- la figura 1) illustra, in una vista prospettica, il dispositivo; - figure 1) illustrates, in a perspective view, the device;
- la figura 2) illustra, in una vista prospettica, i mezzi atti a consentire il distacco delle buste .dal film continuo di materiale. - Figure 2) illustrates, in a perspective view, the means suitable for allowing the detachment of the bags from the continuous film of material.
Con riferimento alle figure, con (1) è stato .indicato un piano di lavoro costituito da una pluralità di fili (3) sui quali appoggia e avanza un film continuò (2) di materiale termosaidabile. With reference to the figures, (1) indicates a work surface consisting of a plurality of threads (3) on which a continuous film (2) of heat-safe material rests and advances.
Con detto materiale, mediante un processo di saldatura termica o ad alta frequenza che avviene a monte del dispositivo, si realizzano buste o pitodotti finiti in gemere, che sono pre-tagliati lungo tutto|il loro perimetro nella fase di saldatura. With said material, by means of a thermal or high-frequency welding process which takes place upstream of the device, finished pouches or pipelines are made, which are pre-cut along their entire perimeter during the welding phase.
Nell'esempio di reaiizzazione descritto si farà riferimento al caso di buste realizzate in contitino-Un cilindretto pneumatico (4) solidale !tramite un suo supporto (7) al telaio (6) fisso del, dispositivo,, è disposto perpendicolarmente al piano di lavoro (1) ed à atto col proprio stelo (5) a premere tontro il film di materiale sottostante in corrispondenza di una zona angolare periferica delle buste o pezzi (13) da distaccare, in modo da produrre un distacco parziale di tali buste lungo un loro perimetro di pre-intaglio. In the example of embodiment described, reference will be made to the case of envelopes made of contitino - A pneumatic cylinder (4) integral with its support (7) to the fixed frame (6) of the device (1) and is able with its stem (5) to press against the film of underlying material in correspondence with a peripheral corner area of the envelopes or pieces (13) to be detached, so as to produce a partial detachment of these envelopes along one of their pre-notch perimeter.
Il cilindretto pneumatico (4) con il proprio stelo (5) costituisce dei mezzi atti a premere contro il film che avanza sul piano di lavoro per produrre un parziale distacco dei pezzi finiti. The pneumatic cylinder (4) with its own stem (5) constitutes means suitable for pressing against the film which advances on the work surface to produce a partial detachment of the finished pieces.
Il film che avanza passa poi in una fessura interstiziale compresa tra due rulli (11) e (10) di rinvio disposti sostanzialmente a 4-5° rispetto alla direzione di avanzamento del film. The advancing film then passes into an interstitial slot comprised between two return rollers (11) and (10) arranged substantially at 4-5 ° with respect to the direction of advance of the film.
In particolare detti rulli sono disposti in modo che tale angolo di 45°, compreso tra l'asse di detti,rulli e l'asse di avanzamento del film, comprendo al 1suo interno il cilindretto pneumatico (4), o più generalmente i mezzi atti a premere contro il film. In particular, said rollers are arranged so that said angle of 45 °, comprised between the axis of said rollers and the axis of advancement of the film, comprises internally the pneumatic cylinder (4), or more generally the suitable means. to press against the film.
Il rullo (11) è un rullo folle, mentre il rullo (10), azionato da una motorizzazione non illustrata, è responsabile della rotazione di un nastro trasportatore (12) di uscita un'estremità del quale si avvolge e scorre attorno a detto rullo (10) motorizzato» The roller (11) is an idle roller, while the roller (10), driven by a motor drive not shown, is responsible for the rotation of an output conveyor belt (12), one end of which winds and runs around said roller. (10) motorized "
Un rullino premente (9), regolabile in posizione tramite un proprio supporto (21), è atto a premerle il materiale direttamente sopra i rulli (11) e (10),, in corrispondenza del bordo esterno del materiale situato dallo stesso lato del cilindretto pneumatico (4), in modo da favorire il completamento del distacco delle buste (13) dal film (3). I rulli (11) e (10) sono atti a deviare il'percorso del o dei films di 90° su un piano parallelo al piano dì lavoro (1) e sostanzialmente coincidente con esso in quanto la disìtanza di detto piano dal piano di|lavoro è;pari al diametro dei rulli di rinvio» A pressing roller (9), adjustable in position by means of its own support (21), is able to press the material directly onto the rollers (11) and (10), at the outer edge of the material located on the same side of the cylinder. pneumatic (4), so as to facilitate the completion of the detachment of the bags (13) from the film (3). The rollers (11) and (10) are able to deviate the path of the film or films by 90 ° on a plane parallel to the work plane (1) and substantially coincident with it since the distance of said plane from the work plane (1). work is equal to the diameter of the return rollers "
Le buste (13) distaccate,, e premute da un!secondo rullino premente (20), avanzano sul nastro trasportatore (13) verso l'uscita dei dispositivo. The envelopes (13) detached, and pressed by a second pressing roller (20), advance on the conveyor belt (13) towards the exit of the device.
Il film privo delle buste,, ossia quello iche tecnicamente viene denominato "sfrido" (15), passa tra i rulli (11) e (10) ed è trascinato verso una zona di sradico mediante una coppia di rulli (14), di cui uno motorizzato. The film without the envelopes, i.e. the one which is technically called "scrap" (15), passes between the rollers (11) and (10) and is dragged towards an uprooting area by means of a pair of rollers (14), of which one motorized.
I rulli (14), tra loro accoppiati e costituenti dei mezzi di trascinamento dello sfrido,, hanno gli assi paralleli alla direzione di avanzamento del film sul piano di lavoro. Sull'albero (19) di uno dei due rulli (14) è calettata,una ruota dentata conica (18) che ai accoppia con un'altra ruota dentata conica (17) calettata su. un albero (16) perpendicolare all'albero (19). The rollers (14), coupled together and forming the means for dragging the scrap, have their axes parallel to the direction of advancement of the film on the work surface. On the shaft (19) of one of the two rollers (14) is keyed, a bevel gear wheel (18) which mates with another bevel gear wheel (17) keyed on. a shaft (16) perpendicular to the shaft (19).
Le ruote dentate coniche (17) e (18), ad assi tra loro perpendicolari, realizzano un rinvio,cinematico tra l'albero (16) e i rulli (14). The bevel gear wheels (17) and (18), with mutually perpendicular axes, provide a kinematic transmission between the shaft (16) and the rollers (14).
Ad un’estremità dell’albero (16) è calettata una ruota dentata, non illustrata, sulla quale ingrana una catena (8) collegata ad una motorizzazione non illustrata. At one end of the shaft (16) is keyed a toothed wheel, not shown, on which a chain (8) meshes connected to a motor drive not shown.
Tale motorizzazione è la stessa che pone in rotazione anche il rullo (10) che aziona il nastro trasportatare (15). This motorization is the same which also rotates the roller (10) which drives the conveyor belt (15).
I rulli (11) e (10), i rullini prementii (9) e (50) e i rulli (14) costituiscono dei mezzi atti a completare il distacco dei pezzi finiti e ad avviarli su un nastro trasportatore per la loro raccolta in uscita dal dispositivo, e atti a raccogliere lo sfrido o scarto dei films. The rollers (11) and (10), the pressing rollers (9) and (50) and the rollers (14) constitute means to complete the detachment of the finished pieces and to start them on a conveyor belt for their collection at the exit from the device, and suitable for collecting the scraps or scraps of the films.
In caso di cambiamento di tipo o formato delle buste o dei pezzi da distaccare dal film continuo, è sufficiente regolare la posizione del cilindretto pneumatico (4) sul proprio supporto (7) e la posizione del!rullino premente (9) sul relativo supporto (21), per adattarle il dispositivo al nuovo formato. In the event of a change in the type or format of the envelopes or of the pieces to be detached from the continuous film, it is sufficient to adjust the position of the pneumatic cylinder (4) on its support (7) and the position of the pressing roller (9) on its support ( 21), to adapt the device to the new format.
singole buste o dei singoli pezzi di materiale lavorato, da uno o più films continui di detto materiale che scorrono su un nastro trasportatare. single envelopes or single pieces of processed material, from one or more continuous films of said material which slide on a conveyor belt.
Le buste o i pezzi finiti sono generalmente pre-tagliati lungo tutto il perimetro e i sistemi noti per staccarli sono dii tipo manuale, mediante un operatore che preme lungo il perimetro di pre-taglio. The envelopes or the finished pieces are generally pre-cut along the entire perimeter and the known systems for detaching them are of the manual type, by means of an operator who presses along the pre-cutting perimeter.
Il pre-taglio costituisce una zona di indebolimento del materiale atta ad essere lacerata con facilità e precisione,, The pre-cut constitutes a weakening area of the material which can be torn with ease and precision,
Esistono anche sistemi automatici per il distacco delle buste dal film continuo,, i quali prevedono l'impiego di complessi sistemi a pinne per trattenere perimetralmente le buste mentre avanzano sul nastro trasportatore, in modo da produrre il loro distacco dal film continuo. There are also automatic systems for detaching the envelopes from the continuous film, which provide for the use of complex fin systems to hold the envelopes perimeter while they advance on the conveyor belt, so as to produce their detachment from the continuous film.
Il sistema manuale ha numerosi inconvenienti legati ai costi elevati e alla scarsa produzione oraria di pezzi finiti The manual system has numerous drawbacks linked to high costs and low hourly production of finished pieces
Il sistema automatico è costruttivamente molto complesso ed ha un tempo di preparazione e regolazione elevato., per adattare le pinze al prodotto da trattare., The automatic system is constructively very complex and has a long preparation and adjustment time., To adapt the pliers to the product to be treated.,
Scopo del presente trovato è quello di eliminare gli inconvenienti sopra lamentati ed in particolare di consentire un distacco delle buste o dei pezzi finiti dal o dai films continui di materiale tramite un dispositivo The purpose of the present invention is to eliminate the aforementioned drawbacks and in particular to allow detachment of the envelopes or of the finished pieces from the continuous film or films of material by means of a device
Claims (2)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT42521A IT1242395B (en) | 1990-07-09 | 1990-07-09 | DEVICE FOR THE DETACHMENT OF ENVELOPES OR PRE-CUT FINISHED PIECES RECEIVED, WITH THERMAL OR HIGH FREQUENCY WELDING PROCEDURE, FROM ONE OR MORE CONTINUOUS FILMS OF HEAT-SEALABLE PLASTIC MATERIAL |
| DE69107365T DE69107365T2 (en) | 1990-07-09 | 1991-02-27 | Device for separating pre-cut and bags formed by a thermal or a high-frequency welding process from one or more continuous strips of heat-sealable plastic films. |
| DK91830065.8T DK0468932T3 (en) | 1990-07-09 | 1991-02-27 | Apparatus for separating bags or finished articles, which are pre-cut and formed in a thermal or high-frequency welding process, from one or more continuous strips of heat-sealable plastic foil |
| EP91830065A EP0468932B1 (en) | 1990-07-09 | 1991-02-27 | A device for the separation of bags or finished items, pre-cut and formed by a thermal or high frequency welding process, from one or more continuous strips of heat-sealable plastic film |
| AT91830065T ATE118395T1 (en) | 1990-07-09 | 1991-02-27 | DEVICE FOR SEPARATING PRE-CUT BAGS FROM ONE OR MORE CONTINUOUS BANDS OF HEAT SEALABLE PLASTIC FILMS MADE BY A THERMAL OR HIGH FREQUENCY WELDING PROCESS. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT42521A IT1242395B (en) | 1990-07-09 | 1990-07-09 | DEVICE FOR THE DETACHMENT OF ENVELOPES OR PRE-CUT FINISHED PIECES RECEIVED, WITH THERMAL OR HIGH FREQUENCY WELDING PROCEDURE, FROM ONE OR MORE CONTINUOUS FILMS OF HEAT-SEALABLE PLASTIC MATERIAL |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| IT9042521A0 IT9042521A0 (en) | 1990-07-09 |
| IT9042521A1 true IT9042521A1 (en) | 1992-01-09 |
| IT1242395B IT1242395B (en) | 1994-03-04 |
Family
ID=11254288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT42521A IT1242395B (en) | 1990-07-09 | 1990-07-09 | DEVICE FOR THE DETACHMENT OF ENVELOPES OR PRE-CUT FINISHED PIECES RECEIVED, WITH THERMAL OR HIGH FREQUENCY WELDING PROCEDURE, FROM ONE OR MORE CONTINUOUS FILMS OF HEAT-SEALABLE PLASTIC MATERIAL |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0468932B1 (en) |
| AT (1) | ATE118395T1 (en) |
| DE (1) | DE69107365T2 (en) |
| DK (1) | DK0468932T3 (en) |
| IT (1) | IT1242395B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3619228B2 (en) * | 2002-11-12 | 2005-02-09 | トタニ技研工業株式会社 | Bag making machine |
| CN104044184B (en) * | 2013-03-12 | 2015-09-30 | 昆山巨闳机械科技有限公司 | Impregnation glass fabric chipless itemize cutter |
| CN105479539B (en) * | 2015-12-25 | 2018-02-09 | 建新赵氏集团有限公司 | A kind of cutter device of vehicle window guide groove sealing strip |
| CN106078869B (en) * | 2016-06-30 | 2017-10-24 | 浙江汇锋薄膜科技有限公司 | A kind of improved decorating film cutting machine |
| CN107186783B (en) * | 2017-07-17 | 2019-02-19 | 刘勇 | A kind of advertisement design cutting means |
| CN110861150B (en) * | 2019-11-19 | 2021-08-17 | 范武 | Cutting waste collecting equipment for gas mold processing |
| CN112519318B (en) * | 2020-11-30 | 2023-03-14 | 重庆鼎盛印务股份有限公司 | Manufacturing process of high-temperature-resistant cooking bag |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2789640A (en) * | 1953-04-09 | 1957-04-23 | Johnson & Johnson | Machine and process for cutting and conveying small patches |
| US3679116A (en) * | 1971-02-01 | 1972-07-25 | Eastman Kodak Co | Web turning and guiding apparatus |
| US4096981A (en) * | 1977-03-18 | 1978-06-27 | Wilson Jones Company | Apparatus for stripping a continuous web of material from the marginal edge of a body |
| US4346855A (en) * | 1980-07-24 | 1982-08-31 | Elizabeth S. Biggar | Stripping method and apparatus for the processing of a continuous laminated web |
| US4467948A (en) * | 1982-07-29 | 1984-08-28 | Deslauriers Clovis F | Waste stripper |
-
1990
- 1990-07-09 IT IT42521A patent/IT1242395B/en active IP Right Grant
-
1991
- 1991-02-27 EP EP91830065A patent/EP0468932B1/en not_active Expired - Lifetime
- 1991-02-27 DK DK91830065.8T patent/DK0468932T3/en active
- 1991-02-27 DE DE69107365T patent/DE69107365T2/en not_active Expired - Fee Related
- 1991-02-27 AT AT91830065T patent/ATE118395T1/en active
Also Published As
| Publication number | Publication date |
|---|---|
| ATE118395T1 (en) | 1995-03-15 |
| DE69107365D1 (en) | 1995-03-23 |
| DK0468932T3 (en) | 1995-07-17 |
| EP0468932B1 (en) | 1995-02-15 |
| EP0468932A1 (en) | 1992-01-29 |
| DE69107365T2 (en) | 1995-08-24 |
| IT9042521A0 (en) | 1990-07-09 |
| IT1242395B (en) | 1994-03-04 |
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| Date | Code | Title | Description |
|---|---|---|---|
| 0001 | Granted | ||
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970731 |