WO2008067580A1 - Verfahren sowie vorrichtung zum positionieren von einem glaselement und einer kunststofffolie aufeinander - Google Patents
Verfahren sowie vorrichtung zum positionieren von einem glaselement und einer kunststofffolie aufeinander Download PDFInfo
- Publication number
- WO2008067580A1 WO2008067580A1 PCT/AT2007/000552 AT2007000552W WO2008067580A1 WO 2008067580 A1 WO2008067580 A1 WO 2008067580A1 AT 2007000552 W AT2007000552 W AT 2007000552W WO 2008067580 A1 WO2008067580 A1 WO 2008067580A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- glass
- glass element
- film
- elements
- plastic film
- Prior art date
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Classifications
-
- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/0043—Fixing the layers by electrostatic charges, by the use of structured surfaces or by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
- B32B17/10899—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin
- B32B17/10954—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin by using an aligning laminating device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
- B32B2037/1063—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using an electrostatic force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2310/00—Treatment by energy or chemical effects
- B32B2310/021—Treatment by energy or chemical effects using electrical effects
- B32B2310/025—Electrostatic charges
Definitions
- the invention relates to a method and a device for positioning two flat elements such as a glass element and a plastic film on each other, in which an element is applied to the other element as possible clearance, and a manufacturing plant for producing a laminated glass element.
- Laminated safety glass consists of at least two glued individual glass panes, wherein two adjacent individual panes are connected by an intermediate layer of a polymer surface.
- the polymer is formed either by a liquid plastic which is solidified during the production, but in most cases the polymer is formed by at least one plastic film, in most cases polyvinyl butyral (PVB) films. be used.
- PVB polyvinyl butyral
- the material of the glass panes is formed by float glass, partially or fully tempered glass.
- a so-called pre-bond is produced by the individual components are successively superimposed on a positioning table and then, for example by a rolling process, pre-pressed to air trapped between the individual layers to remove before the final pressing.
- the composite film is placed on a glass pane lying horizontally on the positioning table, the relative position between glass pane and composite film is fixed by the weight of the film and by adhesive forces acting between the glass pane and the composite film.
- a major disadvantage of this method is that the mostly in the glass processing space-saving, approximately vertically mounted and transported glass sheets must be spent for the formation of Vorverbundes means of complex devices in a horizontal position and after the pre-pressing of Vorverbundes just as expensive the further transport or the location have to be returned to the space-saving, almost vertical position.
- a method with a substantially vertical position of the individual panes in the production of a laminated glass pre-composite is known from DE 29 34 370 C2.
- the device for introducing the composite film in this case comprises a Folienmit counseling which detects the provided by a arranged outside the space between the panes supply roll laminated film, transported through the space between the disc to an insertion of opposite end of the space between the panes and sets it there near the respective edge of the first single disc.
- This setting is done by means of a vacuum strip or a corresponding Folienklemmer, which are arranged in extension of the glass or by pressing the film directly onto the glass, if this is a firm adhesion to the disc is ensured.
- the composite film is glued by means of a moving over the surface of the glass plate pressure roller with the glass.
- the second glass sheet is applied to the composite film and also pressed with a press roll to the composite film, whereby the precoat is completed.
- a disadvantage of this method is that a separate device with a movable pressure roller is required to achieve sufficient adhesion of the composite film to the first glass. On the one hand, this increases the constructional outlay for the device; on the other hand, this pressing process increases the time required for producing the laminated glass precompound.
- the invention has for its object to provide a method and an apparatus with which a plastic film and a glass element positioned relative to each other and the plastic film can be fixed to the glass element in this position in a simple manner, said method and apparatus in particular for producing a laminated glass - Pre-composite is suitable. According to the invention this object is achieved by the features of the characterizing part of claims 1 and 23.
- the relatively low-mass plastic film Due to the electrostatic charge of at least one of the two spaced apart elements and the effective between the two elements electrostatic attraction, the relatively low-mass plastic film is fixed without additional fixer or an additional required Anpressvorgang over a period of time on the glass element and can thereby formed Glaselement-Kunststofffolie- Composite used for further processing, for example, a laminated glass element.
- the electrostatic attraction between glass element and plastic film can also be effected by charging both elements in opposite directions, whereby even more attractive forces of attraction can be achieved.
- the electrostatic attractive force acting between the glass element and the plastic film also permits a further advantageous method variant, in which the glass element is aligned obliquely to a vertical plane when the plastic film is applied, thus making it unnecessary to bring the glass element into a horizontal position for the formation of the glass element / plastic film composite is.
- the inclination of the glass element may in particular, viewed from the side to which the film is attached, extending from bottom to top obliquely backwards, so not exactly vertical, but for example with a
- Tilt angle may be selected from a range with a lower limit of 1 ° and an upper limit of 75 °, preferably with a lower limit of 3 ° and an upper limit of 15 ° to the vertical plane. Furthermore, the method can be carried out with a small footprint by the substantially stationary positioning of the glass element.
- the plastic film is cut as a film blank of a film web, for example, from a supply roll.
- the film blank can be done on its own Optimierschneidestrom, but also in the course of the process.
- various formats of the plastic film can be provided both in a flexible manner, as well as high volumes of consistent plastic film formats.
- the approach may be applied to a surface of the element or else to at least one edge of the element, e.g. an upper edge and / or a lower edge of the glass element or the edge of a film made.
- the charging electrode can assume different positions relative to the element during the charging process by means of corresponding movement processes.
- the elements can be charged reliably and with a constant charge level, although these are made of electrically poorly conductive materials, so are actually insulators.
- the charging electrode and the element are moved relative to one another during the charging process substantially parallel to a surface or at least one edge of the element. In this way, an optionally required contact between the charging electrode and the element can be ensured in a simple manner.
- the charging process on an element may further advantageously take place during a conveying movement of the element, for example during the transport of the glass element into the assembly station.
- the charging electrode can be arranged on a stationary holder, which reduces the structural outlay for achieving the relative movement between the element and the charging electrode.
- the charging process and the relative approach movement of the two elements can be carried out simultaneously, whereby the cycle time can be reduced.
- the full-surface attachment of the two elements can furthermore take place in a very short time if the elements are moved towards one another in a direction substantially perpendicular to their surfaces. The touch, and thus the fixation takes place in this way on the entire surface approximately simultaneously.
- Anhegevorgangs is that the elements are moved toward each other with a change between them enclosed angle, in particular in a pivoting movement, whereby a build-up between the two elements air cushion can be easily displaced and the risk of blistering when attaching the Plastic film is reduced. Furthermore, a pivoting movement is structurally relatively easy to implement.
- this element can be provided in a simple manner in which it is prepositioned, for example, on a horizontal support surface. This is particularly advantageous for the relatively flexible plastic film or composite film.
- an element, in particular the plastic film is fixed during movement by a vacuum device on a conveying member.
- the element with the lower mass, ie the plastic film performs the approach movement, since the structural complexity and the required drive energy is lower in this case.
- the relatively light plastic film there is a risk that it will be in position with respect to the conveyance, especially in the case of rapid movements. derorgan shifts, which is therefore advantageously prevented by the fixation with a, vacuum device.
- the application of the plastic film on the glass element can be supported in an advantageous manner by acting on the rear side facing away from the glass element of the plastic film blast of compressed air, which on the one hand, the effect of the electrostatic attraction is supported and on the other hand, can build up no negative pressure between the plastic film and this supporting conveyor member, which could inhibit the transfer of the plastic film to the glass element.
- the transfer of the plastic film to the glass element can also take place in such a way that the plastic film is moved by the electrostatic attraction of a distance of a few millimeters to the substantially play-free system to the glass element.
- the electrostatic attraction must be of a height which causes an independent transition of the plastic film from the conveying member to the glass element.
- the pre-positioning by the conveying member in this case requires only a relatively low positioning accuracy what the. Distance between the elements to be positioned.
- An advantageous development of the method consists in that a laminated glass pre-composite is formed by attaching at least one further glass element to the plastic film fixed to the first glass element.
- the duration of action of the electrostatic attraction force is sufficient for this application, as a rule, resulting in a method for producing a laminated glass Vorverbund results, which is characterized by low device complexity, low footprint and short cycle times.
- a controlled expulsion of an air cushion is in turn achieved when the attachment of the second element or another element, in particular a second glass element is positioned obliquely and in this angular position, the elements are spent in one of their edge areas to rest against each other and then to essentially play-free system be approximated. As a result, the unintended formation of air pockets conclusions between the elements are largely avoided.
- a space-saving embodiment of the method for producing a laminated glass Vorverbunds is achieved when the first glass element is largely aligned vertically when fixing the plastic film or when attaching the second glass element.
- the method can be advantageously carried out to the effect that the first glass element and / or the second glass element are formed as a laminated glass element or as a laminated glass Vorverbund.
- the adhesion between the glass element and the plastic film may be increased by at least one of the elements being heated above room temperature at least in sections before, during or after assembly with another element.
- the glass element is heated, for example, before assembly to a temperature selected from a range with a lower limit of 25 0 C and an upper limit of 80 ° C;
- a plastic film is dependent on the type of plastic, for example, to a temperature selected from a range having a lower limit 20 0 C and an upper limit 40 0 C.
- the heating can be done with all known from the prior art heaters, For example, a hot air blower or a heat radiator and can also be used to maintain the adhesion between the plastic film and glass element even after the drop in the electrostatic charge out.
- the heating can be over the entire surface, but also for example punctiform, whereby the plastic film is attached to a certain extent to the glass element.
- a plurality of plastic films may also be applied simultaneously or successively to the first glass element, whereby laminated glass precompounds for laminated glass elements having the highest mechanical resistance properties can also be produced by this method.
- the glass element / plastic film precompound is subjected to a first pressing operation after the attachment of at least one second glass element by means of a prepressing device, in particular a rolling device.
- a prepressing device in particular a rolling device.
- the object of the invention is also achieved by a device having the features of independent claim 23, after the holding arrangement or the Zuureeinrich- device associated with a charging device for electrostatic charging of the first element or upstream.
- the first element may be formed by the glass element but also by the plastic film.
- two or more charging devices can also be used, among other things also to charge the glass element and the plastic film in opposite directions.
- the holding arrangement for the first element in particular the glass element can bring about a lying, a standing, a hanging or other storage and thereby providing the first element and is adapted to the manner of the Anhegevorgangs.
- a stable provision of the first element is effected in that the holding arrangement forms a bearing surface defined by holding elements for the first element, wherein the holding elements are adapted to the nature of the first element.
- the holding elements are adapted to the nature of the first element.
- a relatively small number of substantially punctiform contact points on the contact surface, ie relatively small holding elements, e.g. in the form of support rollers; for the relatively flexible plastic film is accordingly a possible flat design of the holding elements of advantage.
- the contact surface when the first element is formed by a glass element, it is advantageous if the contact surface, as viewed from the side of the film, is mounted inclined from the bottom to the top, inclined towards the rear, on the holding arrangement. For example, with an inclination angle between 1 ° and 75 °, preferably between 3 ° and 15 ° relative to a vertical plane.
- the often standing stored and transported glass elements, usually in the form of flat glass panels can thereby without significant change in their position with a Plastic film are occupied, which causes a space-saving process implementation and low device complexity.
- the holding arrangement is associated with a first conveying device for feeding the glass element or optionally further glass elements to the holding arrangement.
- first conveying device for feeding the glass element or optionally further glass elements to the holding arrangement.
- roller conveyors also used in other fields of glass processing, which support and drive glass elements at their lower edge, or conveyors which detect and move the glass elements by means of vacuum elements on their surface, is advantageous.
- the first conveyor is designed so that a first glass element and a second glass element can be transported in different conveying planes to the holding arrangement in order to arrange these largely congruent side by side.
- separate drive means may be provided for the two conveyor planes, e.g. Rollers, belts, vacuum elements.
- a second conveying device for conveying the manufactured glass element-plastic film composite or the produced laminated glass pre-composite from the holding arrangement, whereby the predicted applies mutatis mutandis to the construction of the conveying device.
- the holding arrangement may further be associated with a longitudinal guide guiding the glass elements and / or the glass element plastic film composite or a laminated glass pre-composite on an upper edge, whereby the inclination of a glass element during the conveying process can be adjusted independently of the inclination of the contact surface.
- the longitudinal guide can be adjusted relative to the system, in particular by means of an adjustment in position relative to the system, whereby different inclination angle and / or distances between the glass element to be conveyed and the contact surface can be adjusted and forms the longitudinal guide in combination with the first conveyor a conveying plane for the glass elements , which has a distance from the contact surface of the holding arrangement.
- a second glass element can be positioned congruently with a first glass element already positioned on the contact surface.
- the holding arrangement viewed in the conveying direction of the second conveying device, is advantageously followed by a pre-pressing device, in particular a rolling device.
- the composite obtains sufficient stability for the required handling steps until the final compression due to the increased by the adhesion between the adhesion between the at least one glass element and the composite film.
- the effectiveness of the electrostatic charging can be increased by connecting parts of the holding arrangement and / or at least one of the conveying devices to be electrically conductive and at least temporarily connectable to a ground potential. As a result, a larger number of charge carriers can be displaced in the element to be charged, thereby causing a stronger electrostatic attraction between the adding elements.
- the element to be charged is stored after completion of the charging process only in contact with electrically non-conductive materials in order to prevent potential equalization as possible.
- the feed device for attaching the plastic film is formed by a swivel arrangement, in particular a swivel table with a support surface for the plastic film.
- the soft plastic film can be easily placed on a flat surface, such as a plate and thereby pre-positioned.
- the contact surface of the swivel assembly can be pivoted in particular by means of a pivot drive from a largely horizontal first working position in a contact surface of the holding arrangement largely parallel second working position and further the swivel assembly by means of a traction drive approximately transversely to the contact surface of the holding arrangement, in particular be moved horizontally.
- the swivel arrangement By virtue of this design of the swivel arrangement, a simple pre-positioning of the plastic film by the operating personnel and an approach movement that can be adapted with simple measures can be carried out simultaneously on the glass element provided on the holding arrangement, in particular, standing. Due to the adjustability of the swivel assembly by means of the traction drive, the area in front of the contact surface for the implementation of glass element provision can be kept free. For reliable fixation of the plastic film on the support surface even during sometimes faster movement processes, the pivoting arrangement on the support surface advantageous vacuum openings, which are connected via a line with a vacuum source.
- the bearing surface of the pivoting arrangement can further comprise compressed-air openings which can be connected via a line to a compressed-air source.
- compressed air openings may be identical to the vacuum openings, if in the line a switching device for selectively connecting the openings with the vacuum source or the compressed air source is arranged, whereby the structural complexity of the device is reduced. The same effect can also be achieved if the vacuum source can also be used as a compressed air source by switching means.
- the pivoting arrangement has stop elements which can be positioned in a raised position in relation to the support surface for the pre-belt film. These stop elements can preferably be lowered automatically after vacuumf ⁇ x réelle the plastic film on the support surface or are mounted resiliently retractable, whereby the
- the support device comprises at least one charging electrode and a high voltage generator connected thereto, whereby the support electrode can be adapted to the structural conditions of the device and at the same time the high voltage generator can be formed by a commercially available easily execution.
- the charging electrode in particular its number and dimensions are advantageously adapted to the structural conditions of the device, wherein the charging electrode in particular assigned to the holding arrangement or viewed in the conveying direction of the glass elements of the holding arrangement can be arranged upstream. Furthermore, the charging electrode can be arranged on the pivot arrangement and thereby for the electrostatic charging of the plastic film, when the charging electrode faces the film, as well as in the second working position of the swivel assembly are also used for electrostatic charging of the first glass element, when the charging electrode faces the contact surface.
- the charging electrode is attached to an adjustable guide member of a guide assembly.
- the guide member is designed, for example, in the form of a beam and is adjustably mounted at its two ends on the guide arrangement. Furthermore, before or after the charging electrode, one or more holding elements contacting a surface of the first glass element, in particular a supporting roller, can be arranged on the guide member, in the adjustment direction of the same. Thereby, the distance between the guide member and the element to be charged can be kept constant in a simple manner, even if the element to be charged has deviations in shape.
- the guide arrangement is adapted to the shape of the contact surface and / or the support surface, and in particular designed for planar elements in the form of a linear drive.
- a working path of the guide member in particular by means of a control and monitoring device to a dimension of the element to be charged customizable, that is, not the entire possible adjustment path of the management body must be traversed, but only the labor path required for electrostatic charging of the element.
- the high voltage generator is constructed, for example, as a controllable high voltage DC generator with an AC mains connection, a transformer, an optionally interposed rectifier circuit in the primary circuit of the transformer and a cascade circuit for multiplying the DC voltage in the secondary circuit of the transformer is constructed with a connection for the charging electrode.
- the holding arrangement may comprise at least one clamping element for selectively fixing the first glass element or the produced glass element plastic film Vorverbunds on the contact surface.
- clamping elements for example clamping claws, but in particular also vacuum suction, which hold the glass element frictionally on its surface.
- the exact position of the glass element or of the glass element plastic film Vorverbunds on the support assembly is ensured by these clamping elements even when attaching several additional elements safely, further can even with the use of additional clamping elements an exact vertical orientation of the glass elements are used during the process implementation.
- the device for producing a glass element / plastic film precompound can advantageously be extended by combination with a glass pretreatment device and a compression line to form a production line for producing a glass element / plastic film composite, in particular a laminated glass element. It is particularly advantageous in this case that the vertical alignment of the glass elements, which is predominantly used in the glass pretreatment devices and the compression lines, can also be maintained during the production of the glass element plastic film precompound or a laminated glass precoat.
- the glass pretreatment device comprises the devices known from the prior art for cleaning the glass elements, e.g. by washing, brushing and drying, and optionally for tempering the glass elements.
- the compression line comprises the rolling lines and / or autoclaves known from the prior art for the final fixing of the glass element / plastic film precompound under the influence of elevated temperatures and elevated pressure over the room temperature.
- Fig. 2 is a view of a possible embodiment of the device according to the invention, viewed in the direction II of Fig. Ia; 3 is a section through an inventive device according to the line III -
- FIG. 4 shows a view of a further embodiment of the device according to the invention as part of a production plant for producing a glass element-plastic film composite
- Fig. 5 shows a variant of the addition of another element in the form of a second
- FIG. 6 shows a section through a pre-pressing device associated with the holding arrangement according to the line VI in FIG. 2;
- Fig. 7 shows another possible embodiment of the charging device
- FIG 9 shows a process variant in which the film is unwound from a supply drum and simultaneously applied to the glass element.
- FIGS. 1 a to 1 e the method according to the invention for positioning two planar elements, such as a glass element and a plastic film, is illustrated in a simplified and schematic manner by means of a device according to the invention suitable for this purpose and will be described below.
- FIGS. 1 a to 1 e show simple sectional views transversely to the surface of the elements.
- first glass element 3 for example a planar first glass sheet 4, is provided as a first planar element 2.
- the invention is not limited to the processing of plane glass sheets 4, the glass element 3 may also have a curved surface.
- the material of the glass element 3 can be formed by a wide variety of glass materials inorganic nature, such as float glass, partially or fully tempered glass or organic nature, such as glass-like plastics, such as acrylic glass.
- the first glass element 3 or the glass sheet 4 is for this purpose positioned on a contact surface 5, which is formed by a holding arrangement 6.
- the contact surface 5, and thus also the first glass element 3 positioned thereon, are inclined relative to a vertical plane 7, inclined in the exemplary embodiment by an inclination angle 8 of approximately 7 °, wherein the inclination angle 8 is preferably between 3 ° and 75 °, in particular between 3 ° and 15 °. This makes it possible to ensure a stable position of the first glass element 3 on the abutment surface 5, even when the footprint requirement of the holding arrangement 6 is smaller.
- the feeding of the first glass element 3 to the holding arrangement 6 is effected by a first conveying device 9, wherein the first glass element 3 in the form of a glass sheet 4, preferably with horizontal conveying direction and in a first conveying plane 10, which coincides substantially with the contact surface 5, is conveyed ,
- the first glass element 3 is supported with a lower edge 11 during Zufactns and processing in the device 1 on the first conveyor 9 and with a surface on the support assembly 6 from.
- the first conveying device 9 it would also be possible for the first conveying device 9 to contact and move or fix the first glass element 3 on a rear side 12 facing the holding arrangement 6, for example by means of vacuum suckers.
- the first glass element 3 After the first glass element 3 is positioned in its working position or ready position on the contact surface 5, it is, as shown in Fig. Ib, electrostatically charged by means of a charging device 13.
- a charging electrode 14, which is under electrical voltage, of the charging device 13 is brought closer to the glass element 3, whereby charge carriers in the glass element 3 are displaced and electrical charging takes place.
- the charging electrode may have conductive contact elements, in particular, copper wires or copper threads touching the surface of the first glass element 3.
- the charging electrode 14, as shown in dashed lines occupy different positions with respect to the first glass element 3, whereby several sections of the first glass element 3, in particular at least 10% of the surface of the first glass element 3 or the entire first glass element 3 electrostatically charged can be.
- the charging device 13 comprises the charging electrode 14 and a high-voltage generator 15 connected thereto via a line, not shown, which can provide, for example, a charging voltage in a range between 5 kV and 60 kV.
- a line not shown, which can provide, for example, a charging voltage in a range between 5 kV and 60 kV.
- this can be connected in its ready position by an electrically conductive component of the first conveyor 9 or the support assembly 6 at least temporarily, in particular switchable with a ground potential.
- the at least one charging electrode 14 is brought closer or closer to the first glass element 3 in a contact or non-contact manner; in the illustrated embodiment of the back 12 of the same.
- the static charging of the first glass element 3 must be maintained for a certain time for further steps, including either the charging electrode 14 on the first glass element 3 is approximated, or the conductive connection between the first glass element 3 and the ground potential is interrupted and thereby the electrical charge of the first glass element 3 is maintained by this largely electrically isolated on the support assembly 6 and the För- dervorides 9 is mounted.
- a film 18 made of plastic is attached to the electrically charged first glass element 3 on the front side 16 opposite the rear side 12 as a second element 17. This is fed in particular as a separated from a film web foil blank by means of a conveying member 19 to the first glass element 3.
- the conveying member 19 is part of a feed device and will be described later in more detail.
- the film 18 is preferably fixed to the conveying member 19 during the feed process by a vacuum device and is brought into a position substantially parallel to the front side 16 of the first glass element 3.
- the film 18 which may be formed by all known from the prior art plastic films, in particular by a suitable for producing laminated glass polyvinyl butyral (PVB) film and the electrostatically charged first glass element 3 acts during the approach of an electrostatic attraction, which increases with decreasing distance and also remains upright after the contact between the film 18 and the first glass element 3, whereby the film 18 adheres to the front side 16 of the first glass element 3 and is thus fixed thereto.
- An optionally activated fixing between the film 18 and the conveying member 19 is deactivated or at least reduced for the transfer of the film 18, whereby the electrostatic attraction forces between the film
- the transfer of the film 18 to the first glass element 3 can be assisted by a compressed-air impact being exerted on the surface of the film 18 facing away from the first glass element 3 in the region of the feed element 19, whereby the effect of the electrostatic attraction force is additionally supported.
- the transfer of the film 18 can either take place in that this is approximated by the conveyor member 19 to the touch of the first glass element 3 and the transfer process is carried out after the contact, or the film 18 to a small distance to the front 16 of the first glass element. 3 is approximated and the transfer process, starting from this slightly distanced position causes effected by the electrostatic attraction forces.
- the Drucklufittein introduced between the conveying member 19 of the feed device and the film 18 additionally helps to avoid or reduce any negative pressure between the film 18 and the conveying member 19 that may occur when the conveying member 19 is moved away, thereby causing inadvertent release of the film 18 to prevent from the first glass element 3.
- At least one further element 21 can be attached to the now formed glass element / plastic film composite 20, ie one or more further films 18 or also a second glass element 22, in particular a second glass plate 23, thereby producing a laminated glass - Pre-composite can be produced.
- additional films 18 can thus be attached to the first glass element 3.
- additional charging operations are carried out in order to achieve the required duration of action of the electrostatic attraction.
- the electrostatic forces of attraction acting between the first glass element 3 and the film 18 allow the film 18 to be fixed without the use of additional fixing means, e.g. an adhesive film or fixing means, e.g. Vacuum suction device, which fix the film 18 on a projecting with respect to the first glass element 3 supernatant.
- additional fixing means e.g. an adhesive film or fixing means, e.g. Vacuum suction device, which fix the film 18 on a projecting with respect to the first glass element 3 supernatant.
- the acting electrostatic attraction allows attachment of the film 18 to a first glass element 3 which is not provided in a horizontal position, whereby the previously mentioned surface-saving process implementation with approximately vertical or even vertical orientation of the contact surface 5 is possible.
- a second glass element 22 in particular in the form of a second glass sheet 23, formed on the first glass element 3 and attached thereto film 18 glass element-plastic film pre-composite 20 a laminated glass Vorverbund 24 formed.
- this attachment of the second glass element 22 can take place over the entire surface, but deviating from this it is also possible for the second glass element 22 to be attached to the film at least initially only in an edge region with an edge, in particular its upper edge 18 add.
- the film 18 also fixed at its position on the first glass element 3 at now declining electrostatic attraction.
- the mentioned contact force between the foil 18 and the second glass element 22 can, as shown in the exemplary embodiment described, be effected by the own weight of the second glass element 22, additionally a pressure device can be provided on an outside 25 of the second glass element 22 opposite the foil 18, the attachment and thus caused contact forces, for example, even with vertical alignment of the contact surface 5 without the effect of the weight of the second glass element 22 allows.
- Fig. Ie shows the stabilization of the laminated glass Vorverbunds 24 by means of acting on the outer side 25 of the second glass element 22, indicated by arrows contact pressure 26.
- the thus prepared laminated glass Vorverbund 24 is supplied as a result of a pressing line, not shown, in which the laminated glass Pre-composite 24 is further processed to a finished laminated glass element under the action of a temperature above room temperature and above atmospheric pressure.
- a second conveyor 27 connect, which forms, for example, an extension of the first conveyor 9.
- the attachment of the second glass element 22 can also take place at another workstation, that is, the laminated glass pre-bond 24 is produced in the sense of flow production and the attachment of the film 18 to the first glass element 3 and the attachment of the second Glass element 22 made at different workstations.
- the second glass element 22 Due to the thickness of the first glass element 3 and the film 18, it is necessary for the second glass element 22 to be brought into the assembly position in a further conveying plane 28, that is to say that when the second glass element 22 is conveyed in the direction of its areal extent, this must be quasi be moved past the first glass element 3 and the film 18 disposed thereon to at least approximately congruent position.
- the second conveying plane 28 is positioned at a distance 29 from the contact surface 5, which enables a collision-free positioning of the second glass element 22 in position.
- Fig. 2 shows a view of a possible embodiment of the device 1, viewed in the direction II of FIG. Ia.
- the holding arrangement 6 is as in the embodiment according to FIGS. Ia to Ie formed in the form of a Stitzanordiiung 30, wherein the contact surface 5, as seen from the viewer, from bottom to top slightly obliquely to the rear.
- the support assembly 30 is composed of Ralimenmaschinen 31, wherein on the approximately vertically extending frame members 32 each have a plurality of holding elements 33 are arranged, which define the contact surface 5 in their entirety.
- a first glass element 3 located in the device 1 is supported with its rear side 12 on the contact surface 5 spanned by the holding elements 33.
- the holding elements 33 are formed in particular as support rollers 34 or as other rolling elements, whereby a movement of the first glass element 3 in the conveying direction 35 is facilitated.
- the back 12 of a first glass element 3 is thereby protected during the movement and possible damage and scratch marks largely avoided.
- a stop device 38 can be arranged on the holding arrangement 6, which has, for example, a mechanical stop or light barriers or similar means which enables the exact alignment of a front edge 39 of a glass element 3, 22 ,
- the stop device 38 is for this purpose in particular connected to a control and monitoring device, not shown, of the device 1, which stops the drive of the roller conveyor 36 after the positioning of the glass element 3, 22.
- the lower edge of the glass elements 3, 22 can be supported in the simplest case of the conveyor rollers 37 of the first conveyor 9, a further embodiment is that additional support members 40 are provided which allows decoupling of the glass element 3, 22 from the roller conveyor 36, in the the glass element 3, 22 raised by the support elements relative to the upper edges of the conveyor rollers 37, or the conveyor rollers 37 are lowered relative to the upper edges of the support members 40.
- clamping elements 41 are provided on the support assembly 30, which clamp the first glass element 3 against the contact surface 5.
- the clamping elements 41 are preferably designed as vacuum suction elements 42 and can be attached, for example, to the vertical frame elements 32. be ordered. Vacuum suction can also be part of the conveyor, after which they can be used for transporting as well as fixing the glass elements.
- the conveyor rollers 37 may be designed so that a lower edge 11 of the second glass element 22 is guided at a different position with respect to their roll width, for example by a guide groove, or arranged on the circumference of the conveyor roller 37 slightly raised divider or split conveyor rollers.
- the device 1 To guide the second glass element 22 at its upper edge 43, the device 1 has a longitudinal guide 44, with which a second glass element 22, but possibly also a first glass element 3 with its upper edge 13 at a distance from the contact surface 5 in the conveying direction 35 is displaceably guided.
- the longitudinal guide 44 may for this purpose have guide rollers 45, which is equipped with guide grooves on the circumference and virtually cause a rolling guide of the glass elements 3, 22 at its upper edge 43.
- a version with slide rails which are covered with a material having a low coefficient of friction, lent possible.
- the longitudinal guide 44 by means of an adjustment 46 in position with respect to the roller conveyor 36 and optionally also in their distance the contact surface 5 mounted adjustable.
- the holding arrangement 6 in the form of the support arrangement 30 is associated with the charging device 13.
- This includes the high voltage generator 15 and a plurality of charging electrodes 14 connected thereto, which are approximated for charging a located in the device 1 glass element 3 to this.
- the charging electrodes 14 are adjustably mounted by means of a guide arrangement 47.
- the guide arrangement 47 comprises a guide member 48 carrying the charging electrodes 14, which can be adjusted along a guide 49.
- the guide 49 is, for example, by two parallel to the contact surface 5 guide rail NEN or guide columns formed, the guide member 48 is designed as a carrier, the two ends are each guided along the guide 49.
- the charging electrodes 14 protrude between the vertical frame elements 32 to the contact surface 5 and, by means of the guide arrangement 47, can coat the majority of the first glass element 3 on its rear side 12 and thereby charge it electrostatically.
- a component of the device 1 contacting the first glass element 3, for example the roller conveyor 36 can be connected to a ground potential via a switchable line connection 50, whereby a larger electrical charge can be built up in the first glass element 3.
- the foil 18 is attached to the electrostatically charged first glass element 3 and fixed in position by the electrostatic attraction force on the first glass element 3, whereby a glass element / plastic film composite 20 is formed.
- a second glass element 22 may be added to the glass element-plastic film composite 20, and thus a laminated glass pre-bond 24 may be formed.
- a contact pressure 26 can be exerted. In the exemplary embodiment according to FIG. 2, this is applied by a pre-pressing device 51, which is designed as a rolling device 52 arranged downstream of the device 1 in the conveying direction 35.
- the laminated glass pre-composite 24 is thereby transported by the first conveyor 9 and the adjoining second conveyor 27, in the embodiment both as a roller conveyor 36, approximately approximately in extension of the contact surface 5 from the device 1 and thereby pressed between two mutually parallel press rollers 53.
- the distance between two interacting press rolls 53 is adjustable.
- FIG. 3 shows a section through a device 1 according to the invention along the line III-III in FIG. 2.
- the support arrangement 30 is again constructed from frame dements 31, 32 and forms support rollers arranged on the approximately vertical frame elements 32 34, the contact surface 5, on which the first glass element 3 is positioned.
- vacuum suction elements acting on the rear side 12 of the first glass element 3 can again be provided. be seen, however, are not shown in this figure for the sake of simplicity.
- the electrostatic charging of the first glass element 3 is effected again by charging electrodes 14, which extend between the frame elements 32 to the contact surface 5 and can largely cover the entire rear side 12 of the first glass element 3 by means of the guide arrangement 47.
- the positioning of the film 18 on the first glass element 3 takes place as already briefly described with reference to FIG. 1 c, with the aid of a conveying member 19 which is part of a feed device 54.
- the conveying member 19 has a substantially flat support surface 55 and is executed in the embodiment as a flat plate 56.
- the film 18 is placed on the plate 56 and brought into position by the operator or a handling device in the form of a cut from a film sheet film blank.
- mechanical stop elements 57 or visually recognizable reference lines on the support surface 55 of the plate 56 can be used.
- the plate 56 is part of a pivoting arrangement 58, by means of which the plate 56 with the film 18 from the illustrated in solid lines, largely horizontal first working position 59 in a dashed lines shown, approximately vertical second working position 60 are pivoted.
- the plate 56 is pivotally mounted to a frame 62 by means of a pivot bearing 61 and can be pivoted by means of a pivot drive 63, for example in the form of a lifting cylinder 64 from the first working position 59 into the second working position 60.
- the support surface 55 is preferably parallel to the contact surface 5, whereby the film 18 is thus arranged substantially parallel to the front side 16 of the first glass element 3.
- the frame 62 and thus also the swivel assembly 58 is mounted by means of a travel drive 65 along a guide 66 horizontally and perpendicular to a vertical reference plane 67 adjustable.
- a travel drive 65 along a guide 66 horizontally and perpendicular to a vertical reference plane 67 adjustable.
- the plate 56 has openings 69 on the contact surface 55, which openings are connected via a line 70 to a vacuum source 71. are bindable, whereby the film 18 can be fixed by the action of the vacuum against the support surface 55.
- the openings 69 thereby act as vacuum openings.
- the fixation is canceled by the vacuum;
- a blast of compressed air are exerted, to which the line 70 with a compressed air source 72 is connectable.
- a switching valve 73 is arranged in the line 70, with which the openings 69 can be selectively connected to the vacuum source 71 or the compressed air source 72 and thereby act as vacuum openings or compressed air openings.
- FIG. 3 further shows the longitudinal guide 44, which cooperates with the first conveying device 9, with which the second glass element 22 and optionally also the first glass element 3 can be guided at its upper edge 43 during feeding to the holding arrangement 6.
- the feeding of a further element 21 is shown in the form of a glass element 22 in dashed lines, wherein the conveying plane 28 has a distance 29 to the contact surface 5 and the second glass element 22 thereby with the first glass element 3 and the film 18 fixed thereto Cover can be brought.
- the first conveying device 9 or its conveying rollers 37 also has provisions which effect the distance 29.
- the longitudinal guide 44 in both height direction 74, which is approximately parallel to the contact surface 5, as well as in the transverse direction 75, which is perpendicular to the contact surface 5, made adjustable by means of Verstellan angel 46.
- FIG. 4 shows the simplified, schematic view of a further embodiment of the device 1 as part of a production plant 76 for producing a glass element-plastic film composite 20.
- This comprises, viewed in the conveying direction 35, a glass pretreatment device 77, in the glass elements 3, 22 a cleaning process, In particular, a washing process, a drying process and optionally a heating process to be subjected.
- the glass elements 3, 22 are transported by means of the first conveying device 9 or the roller conveyor 36 to the device 1 and at the position of the holding arrangement 6 in the form of the support arrangement 30 defined contact surface 5 is positioned. 4, a first glass element 3 is shown during feeding to the holding arrangement 6.
- the charging device 13 is viewed in the conveying direction 35, the holding arrangement 6 upstream and the electrostatic charging of the first glass element 3 takes place while it is being moved to the holding arrangement 6 ,
- Charging electrodes 14 are again arranged on an elongate carrier, which is, however, oriented transversely to the conveying direction 35 in this embodiment and the charging electrodes 14 spread over the entire height of the glass element 3 passing by. So that the electrical charge is not degraded again in a short time, the components of the holding arrangement 6 which contact the glass element 3 after the charging process has ended are provided with electrically insulating materials. After fixing the first glass element in the holding arrangement 6, the foil 18 is again attached as a second element 17 to the first glass element 3 as a first element 2 and fixed on the latter due to the applied electrostatic forces of attraction, as described with reference to FIG.
- FIG. 4 further shows a laminated glass pre-composite 24 which has been removed from the holding arrangement 6 by means of the second conveying device 27 in the form of a further roller conveyor 36 and has already passed the pre-pressing device 51.
- FIG. 5 shows a simplified variant of attaching a further element 21 in the form of a second glass element 22, in which the latter touches the second element 17 in the form of the film 18 at the beginning of the attachment only at the upper edge 43, while the lower edge 11 of the second Glass element 22 still has a distance from the film, which is eliminated only in consequence by complete approximation of the second glass element 22.
- 6 shows a section through the Vo ⁇ ress issued 51 along the line VI in Fig. 2.
- the pre-pressing device 51 is formed as a rolling device 52 and comprises at least two cooperating press rolls 53, between which a laminated glass Vorverbund 24 after the assembly in the support assembly 6 in Pass is pressed, whereby this receives the necessary cohesion for further processing steps until the laminated glass Vorverbund 24 finally in a subsequent, not shown pressing line is finally pressed under the action of lying above the room temperature and pressure to a laminated glass element.
- at least one of the press rollers 53 can be adjustably mounted in the adjustment direction 78 approximately at right angles to the plane of the contact surface 5, whereby the rolling device 52 can be adapted to changing thicknesses of the laminated glass elements 24.
- FIG. 7 shows a further possible embodiment of the charging device 13, in which the charging electrodes 14, which are adjustable in the direction of movement 79, are also moved in the direction of movement 79 by means of the guide arrangement 47, additional holding elements 80 in the form of supporting rollers 81 are assigned. With these support rollers 81, the distance of the charging electrode 14 to the rear side 12 of the first glass element 3 can also be kept constant, if the first glass element 3 is not arranged exactly parallel to the guide 49 of the guide arrangement 47, for example due to deviations in shape.
- FIG. 8 shows a further possible embodiment of the device 1 according to the invention, reference being made to the description of FIG. 3 with respect to its basic construction or mode of operation.
- a charging device 13 is arranged on the feed device 54, in particular on the plate 56, with which the film 18 can be charged electrostatically and additionally or alternatively also in the swung-open position first glass element 3 can be electrostatically charged on its front side 16. Foil 18 and first glass element 3, if both elements are to be charged, thereby different, in particular to charge in opposite directions, so that an electrostatic attraction is effected.
- FIG. 9 shows a variant of the method in which the film 18 is stored in the form of a film web 83 on a storage drum 84 and is unwound from the storage drum 84 in the course of a relative movement with respect to the glass element 3 and simultaneously applied to the surface of the glass element 3 becomes.
- the glass element 3 or the foil 18 or even both elements 2, 17 can be electrostatically charged by the charging device 13 not shown in FIG. 9.
- the relative movement can take place in that a drum holder 85 carrying the storage drum 84 is moved along a guide guide 87 by means of a guide drive 86 and the film 18 is unwound from the storage drum 84, which can be supported by a drum drive 88.
- the adjustment direction 89 of the storage drum is selected parallel to the surface of the glass element 3.
- the relative movement can also include by a movement of the glass element 3, whereby the drum guide 87 and the guide drive 86 can also be omitted.
- the separation of the film 18 from the remaining film web 83 can be effected by any suitable cutting device, for example by a cutting blade or a heated melting element.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Thermal Sciences (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA2034/2006 | 2006-12-07 | ||
AT20342006A AT504620A1 (de) | 2006-12-07 | 2006-12-07 | Verfahren sowie vorrichtung zum positionieren von einem glaselement und einer kunststofffolie aufeinander |
Publications (1)
Publication Number | Publication Date |
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WO2008067580A1 true WO2008067580A1 (de) | 2008-06-12 |
Family
ID=39232892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/AT2007/000552 WO2008067580A1 (de) | 2006-12-07 | 2007-12-07 | Verfahren sowie vorrichtung zum positionieren von einem glaselement und einer kunststofffolie aufeinander |
Country Status (2)
Country | Link |
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AT (1) | AT504620A1 (de) |
WO (1) | WO2008067580A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106746762A (zh) * | 2016-12-19 | 2017-05-31 | 贵州杰傲建材有限责任公司 | 夹胶玻璃胶膜收集装置 |
CN115315358A (zh) * | 2020-03-20 | 2022-11-08 | 阿卡曾塔板材型材有限公司 | 包括通过静电充电将膜施加到基板上生产装饰面板的方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014019326A1 (de) * | 2014-12-20 | 2016-06-23 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Verfahren und Vorrichtung zum Anordnen einer Folie auf einer Oberfläche |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2167616A1 (de) * | 1972-01-13 | 1973-08-24 | Siempelkamp Gmbh & Co | |
DE2934370A1 (de) * | 1979-08-24 | 1981-03-26 | Nopper, Hans-Joachim, Dipl.-Ing., 92533 Wernberg-Köblitz | Vorrichtung zum herstellen von verbundsicherheitsglasscheiben |
DE3730126A1 (de) * | 1986-09-08 | 1988-03-17 | Nippon Sheet Glass Co Ltd | System zum automatischen verladen von glasscheiben-erzeugnissen eines nach dem anderen auf einer palette |
-
2006
- 2006-12-07 AT AT20342006A patent/AT504620A1/de not_active Application Discontinuation
-
2007
- 2007-12-07 WO PCT/AT2007/000552 patent/WO2008067580A1/de active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2167616A1 (de) * | 1972-01-13 | 1973-08-24 | Siempelkamp Gmbh & Co | |
DE2934370A1 (de) * | 1979-08-24 | 1981-03-26 | Nopper, Hans-Joachim, Dipl.-Ing., 92533 Wernberg-Köblitz | Vorrichtung zum herstellen von verbundsicherheitsglasscheiben |
DE3730126A1 (de) * | 1986-09-08 | 1988-03-17 | Nippon Sheet Glass Co Ltd | System zum automatischen verladen von glasscheiben-erzeugnissen eines nach dem anderen auf einer palette |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106746762A (zh) * | 2016-12-19 | 2017-05-31 | 贵州杰傲建材有限责任公司 | 夹胶玻璃胶膜收集装置 |
CN115315358A (zh) * | 2020-03-20 | 2022-11-08 | 阿卡曾塔板材型材有限公司 | 包括通过静电充电将膜施加到基板上生产装饰面板的方法 |
Also Published As
Publication number | Publication date |
---|---|
AT504620A1 (de) | 2008-06-15 |
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