DE102007041846A1 - Rapid-action film foil door has a tape powered by a motor attached to the bottom end to pull it down in a closing movement - Google Patents

Abstract

The rapid-action film foil door has a winding roller (4) for the film foil (2), across the door opening (3). A tape (8), attached to the lower end of the film foil, is powered by a motor to pull the film foil down on a closing action. The film foil has pockets (13) for lateral stabilizing bars (22), and a lower pocket holding loose ballast (14) as a weight.

Description

I. Field of application

The The invention relates to film doors.

II. Technical background

at Folientoren consists of the gate of a winding roll across above the gate opening and a film wound up thereon, so that when unwinding the Film from the winding roll up to the lower edge of the mostly in lateral, vertical guides Guided gate opening hanging gate foil closes the door opening.

• – eine seitlichen Dichtigkeit des Folientores im geschlossenen Zustand, häufig auch eine Dichtigkeit an der Unterkante und Oberkante,
• – eine sehr schnelle Öffnungs- und vor allem Schließgeschwindigkeit des Folientores,
• – ein Verzicht auf eine harte, beschwerte Unterkante der Torfolie, um Verletzungen von Passanten zu vermeiden.

Such film doors are known, for example in agriculture for stables, but are also used in industry as gates for halls. However, the requirements in industrial use are higher and often include

• - a lateral tightness of the film gate in the closed state, often also a tightness at the lower edge and upper edge,
• A very fast opening and, above all, closing speed of the foil door,
• - A waiver of a hard, weighted bottom edge of the goal foil, in order to avoid injuries of passers-by.

This combination of requirements leads, above all, to the required high closing speed, usually at least 0.8 m / s, to problems:
In order to achieve the required lateral tightness, the lateral edges must be guided in lateral guides.

There depending on the width of the Folientores with wind load from the outside this margins from their side guides could be pulled out an edge thickening, ie a welt, this edge form-fitting in keep undercut lateral vertical guides.

Thereby arises when draining the film, however, between piping and surrounding guide profile so much friction that even with fast drive of the unwinding roll in the closing direction the easy goal foil not fast enough in the lateral guides decreases to reach the required closing speed.

Out For this reason, it is already known the thickened edge of the film active in the vertical guides to push down and this the edge of the film in the longitudinal direction pressure resistant, However, which requires a high design effort.

III. Presentation of the invention

a) Technical task

It is therefore the object according to the invention, Folientore with a sufficiently high closing speed despite constructive simple construction at low cost, and in compliance the rest Required boundary conditions such as at least marginal sealing and compressive load by wind with the door closed.

b) solution the task

These The object is solved by the features of claim 1. advantageous embodiments emerge from the dependent claims.

The required high closing speed can also by actively driving the door foil in the closing direction be achieved, the attack is not necessarily on the thickened Edge - like about a piping - on the goal foil must be made.

A)

A possibility is to attack a pulling element on the lower edge of the Torfolie to let and to close the gate by means of this tension element, the lower edge of the goal foil to pull down very fast.

The Tension element, such as a drawstring, can be on or below the lower edge of the door opening be deflected to a drive motor and fed from there to the top.

On this way, the same drive motor optional for Driving the winding roll for the goal foil or a winding roll are used for the tension element, for example, by the winding roller for the tension element for winding of the tension element are driven in a different direction of rotation must like the winding roll for the goal foil for winding up the goal foil.

Thereby can be used in both bobbins one freewheel, so that the two bobbins only in the directions of rotation are drivable. When both bobbins are rotatably connected are, for example, over one circulating chain or by making the two winding rollers also coaxial on the same continuous wave are fixed by selecting the direction of rotation of the motor, whether the winding roll for the goal foil in the winding direction, d. H. in the opening direction, is actuated or the winding roll for the tension element in the winding, d. H. the closing direction of the Folientores, being moved.

The lateral edges the goal foil are guided in vertical guides and possess in particular a thickened edge, which is encompassed by the C-shaped guides what Although beneficial, but not mandatory. same for also for most of the following solutions.

B)

Of the Drive the Torfolie active in the closing direction, not only by Turning the winding roll for the goal foil in closing direction, can also be through pairs of opposing, the goal foil between receiving, be done pressing rollers, for example, scarce below the take-up roll for the Torfolie are arranged, in particular running on the edge region the goal foil, in which the foil material is already thickened, however further inside than the marginal thickening, such as a piping, if such exist. Also several pairs next to each other over the Door widths are possible.

At least a pressure roller of a roller pair is driven by a motor, wherein the control of the drive motor should be designed so that any slippage and therefore abrasion between the pressure rollers and the goal foil is avoided. For this purpose, the rotational speed of the Pressure rollers controlled sufficiently slowly during start-up - what a fraction of a second is sufficient - to to avoid slippage when starting against the film.

The Of course, press rollers have one Coating with high friction, such as rubber, opposite the goal foil.

If the drive of the film in the closing direction However, just below the winding roll, could always Still the problem is that the film due to its relative low gravity not fast enough due to gravity sinking down, especially not when its edge in guides guided is there and generates friction there.

In In the past this shortcoming was remedied by the fact that the film - in particular the bottom edge of the film - weighted was made by a pocket was incorporated in the bottom edge of the goal foil and in this bag a crossbar, a heavy pipe or the like was inserted as weight.

These solution However, has the disadvantage that at one under the closing gate through person that person from the weighting bar on Head can be hit and injured.

Therefore, according to the invention for weighting no solid object, but a bulk material, for example a granulate or powder, such as sand, used, which despite same weight no punctual injuries as a hard one Can cause object.

Instead of of non-positive Attacking pressure rollers can of course also be an analog attack of form-fitting drive wheels done, for example, driven pinion, which in a embossed in accordance with the form-fitting region of the film, for example, a toothed belt applied vertically on the film or a vertical row of holes incorporated in the film or the like.

For this purpose, the production cost of old on the part of the Torfolie is significantly greater than in a drive by means of pressure rollers, but a positive drive also offers other advantages:
If, for example, the toothed belt or the row of holes, in which the driving pinion engages, is located in the edge region of the goal foil, a lateral guidance of the foil in the horizontal direction can be effected via the pinion or gears engaging there, in addition to a vertical drive:
For example, by the recesses in the toothed belt are limited in width and the elevations of the pinion fit in there or in the holes of the hole rich in the film exactly.

Thereby can the lateral edge of the Torfolie - what z. B. often Wind load on the goal foil from the outside is a problem - not pulled too much towards the middle of the gate in the horizontal direction, which especially with a thickened edge in encircling C-shaped leadership high frictional forces generated between the thickened edge and the guide and then exactly a sinking, especially a rapid sinking, the goal foil in the closing direction prevented.

If but something opposite the vertical guides towards the middle of the gate offset a pinion, in particular with conical to tapering towards the free end teeth trapped in a corresponding mating contour of the goal foil and this hinders a displacement towards the center of the gate, such a friction in the lateral guides do not occur.

Independently of, whether the drive by means of non-positive Press rollers or positive pinion can be done on the slide preferred except the Rollers / pinions just below the winding roll for the film further pairs of rolls or pairs of sprockets are arranged lower down, of course, the first act, when the bottom edge of the goal foil reaches this position when closing and overflows.

there may be only leading pairs of rollers / sprocket pairs act, or also to driven rollers / pinions.

at the drive by means of positive Pinion should continue to be clarified that unlike the pairs of opposing pressure rollers not two identical pinions on the two sides of the main plane of the Goal foil must be present, but only one pinion is enough, while on the opposite side a counter force must be applied to the ensure safe engagement of the pinion in the corresponding contour of the Torfolie.

This can turn round, non-contoured pressure rollers or a pinion-like Roller having recesses where extending from the pinion the opposite side is just a survey.

C)

A another possibility despite leadership the edge, in particular a thickened edge, in lateral vertical guides To prevent friction is the relative movement between the guides and the one in it Run edge of the Torfolie ball-bearing or roller-bearing.

This This can be done by making the thickened edge of the goal foil out consists of a so-called ball tape, so a band in which - here in vertical Direction - in short distances balls are mounted rotatably with each other, so that they both sides protrude from the ball and on a component of the environment, in this case of the guide rail, roll with very little friction due to their storage in the ball belt.

there could the problem is that the ball band is sufficiently thin and flexible must be in order to be able to be co-wound with the goal foil.

alternative can instead a ball tape - where then the protrusion of the balls or other rolling elements only one side of the band is necessary - in the inner surfaces of the both legs of the guide profile, So the guide rail, used and roll the balls on the foil.

Especially then when instead of rolling Spheres disc-shaped Roll along the guides are used in their thighs, these roles are arranged so that the planes of the rollers are at an acute angle to the plane of the goal foil in pairs from the two sides of the middle of the pie ago diagonally against the thickened edge are directed, so in particular in the transition between the thickened edge and the non-thickened area of the guide are directed in and thereby pulling out of the welt the film is prevented.

D)

A another possibility the inhibiting occurrence of friction between vertical guides and the edge, in particular a thickened edge, the goal foil too Avoid is that a relative speed between the goal foil and the lateral guides is avoided by the lateral guides run down with the goal foil.

This can be achieved, for example, that the lateral guides from both sides of the goal foil vertically circulating guide chains in the case of driving the goal foil down together with the drive element for the Torfolie be driven and thereby a relative speed to the goal foil completely is avoided.

there can these tracking chains either at all do not exert any motive power on the goal foil by the goal foil itself is driven, as stated above, and that at the same speed like the leadership chains.

alternative The door foil can be driven by means of the guide chains, either by the leadership chains at its highest Point against each other the goal foil taken between them, in particular the edge area and thereby the thickened edge area, between them Keep pressed and take it down with the movement.

This Clamping the Torfolie between the guide chains can also over the entire length of the against each other directed dreams of the leadership chains done is however, in the old rule at the highest point sufficient while in the area below the guide chains can be further apart and thereby the film -. B. due to temperature fluctuations - relative to the guide chains slight can move.

As well Is it possible, to hold that under the end of the film edge between the chains or At one of chains we attach a film by means of chains to pull down.

Yet should the leadership chains in the transverse direction, ie in the horizontal, a secure, positive recording especially cause a thickened edge of the goal foil.

Independently of, whether the lateral guides by running against each other leadership chains or a stationary leadership profile is formed, the inlet funnel for the thickened edge in the upper end of the guide rail the more widened, the smaller the distance of the winding roll is. In general, the distance of the inlet funnel to the winding roll at least half, better the full diameter of the completely wound Match winding roll.

e)

Next a thickened edge, the goal foil can also in its middle Area, z. B. on its inside, a rearwardly projecting Have piping that also there in a vertically extending, the keder form-fitting z. B. C-shaped encompassing guide rail guided is.

A such middle guide rail or more of them stabilize the foil door especially against Outside pressing on the goal foil Wind, which otherwise leads to a strong pushing in of the goal foil inward leads and thus either pulling out the lateral edges of the Torfolie from the side guides and thus to an undesirable Leakage or - at thickened edge of the goal foil - too a strong transverse load of this thickened edge in the encompassing lateral guides, possibly even damage to these guides or the goal foil.

By the form-fitting guide of such a middle welt in a middle guide rail - both by no means exactly in the middle of Tor Torfolie, but only spaced from the side edges can be arranged - will too in contrast, the lifting of the Torfolie avoided to the outside, for example, by an overpressure inside the building or a suction effect of the wind can occur on the outside.

To However, pulling up the goal foil is to prevent the passage through the gate opening unhindered to be possible. Therefore, such a middle guide rail when opening the Tors be folded up, in which they, for example, in several parts Joints is divided and upwards, so on or above the upper edge of the door opening, is hochfaltbar.

F)

Vice versa must be before unwinding the film, ie before the beginning of the closing process, such a middle guide rail already positioned in its vertical position, thereby lowering the goal foil the lower end of the central Keder in the upper end the vertical guide rail into running.

Vice versa can such, usually on the inside of the Torfolie existing, highly folding support rod too be firmly connected to the lower edge of the Torfolie and after Move down the lower edge of the door foil during the closing movement be used.

Of the Drive then takes place by turning or pivoting about the hinge point the foldable support strip in the direction of unfolding the support bar, causing the goal foil automatically pulled down.

If the support bar then in addition the inclusion of a welt or other z. B. on the back serve the Torfolie protruding holding elements such as thickening should, this can not be done by introducing this keder or the thickenings from the top into the support strip take place, since the lower edge of the goal foil always with the lower end the support bar is firmly connected.

however then can the support bar as a cross-section to open and to be closed Element executed be, for example, a C-rail, whose legs against each other are movable and after the complete closing of the Tores the then vertical middle thickenings or piping only actively embraces.

G)

In similar Way you can also the lateral vertical guides so executed be that form-fitting tight grip and above all the correct positioning in the transverse direction a z. B. thickened outer edge the goal foil takes place only when the goal foil in the closed State is.

This can be achieved, for example, by virtue of the fact that the lateral guide rails can be moved back and forth between a further outermost end position and a further movement position lying toward the middle of the gate:
When the goal foil moves, in particular closed, the lateral guides are released and can move horizontally in the direction of the center of the gate to a certain extent and thus go along with the edges of the goal foil, if these z. B. is deformed by wind pressure so that their edges also want to move towards the middle of the gate.

If the lower edge of the goal foil has reached the setting at the lower edge of the peat opening, the vertical guides are stretched back into their original position and this is through the positive connection with the thickening edge of the door also stretched in the transverse direction.

There this problem of shifting towards the middle hardly affects directly occurs below the winding roll, but only in the further below, it may be sufficient for this to be the case lateral vertical guides at or near its top, just below the bobbin, are mounted pivotally about an axis perpendicular to the plane of the unwound goal foil lies.

Thereby can the lower sections of the vertical guides slightly towards the middle pivot, if required by the deformation of the Torfolie.

To Reaching the closed position the goal foil will be the lower ends of the vertical guides back out stretched, so that the vertical guides are vertical.

Farther can the legs of the C-shaped lateral guide rail be spring biased against each other so that they too strong Pull on the piping in horizontal transverse direction towards the center of the gate towards the piping or the thickened edge area to release a tearing of the To prevent Torfolie.

The free legs of the C-profile can thereby through material elasticity feathers or formed as individual parts and by means of a separate Spring biased against each other.

Preferably is the spring bias of the legs of the guide rails against each other adjustable to adapt to especially the width, but also the height the gate opening and thus the occurring possible Wind pressure - too dependent of other support mechanisms - to allow.

H)

A another possibility safe and fast guidance the Torfollower down is to do this for stabilization often in the Torfolie horizontally inserted or welded Stabilisierungsstäbe or Use stabilization tubes, usually in the goal foil welded Bags are housed.

At the lateral ends of these stabilizing tubes can - in particular ball bearing - guide elements like leadership roles or similar are arranged, which are then in turn guided positively in lateral vertical guide rails, either alone or in addition to the thickened edge region of the film.

To that purpose the ball bearing guide body the stabilization tubes opposite the thickened edge area a little further inside, towards the middle of the gate, and there are corresponding ones existing openings protrude in the Torfolie on both sides of the film plane.

As well However, instead dispenses with a thickened edge of the film be and the particular ball bearing guide elements at the ends The stabilizing tubes are the only form-fitting in the guide rails led, in which otherwise protrudes the non-thickened edge of the film so far, that between the edge and the guide rail a sufficient tightness is given.

I)

A another possibility is to lower the bottom edge of the goal foil with the help of a vertical z. B. adjacent to the edge of the goal foil arranged threaded spindle closing to pull down.

With a kind of spindle nut, which is connected to the lower edge of the goal foil is, by driving the threaded spindle in the appropriate Towards the goal foil pulled down.

There to open the gate only the winding roll for the goal foil in the winding direction is driven and because of the increasing size of the winding roll this hardly with the uniform rotation speed the threaded spindle in accordance can be brought, the goal foil is preferably only in closing direction driven by the threaded spindle.

The at the goal foil, in particular at the lower edge, existing and acting as a spindle nut coupling element for engagement in the Threaded spindle, about a forked Coupling element, therefore, after closing the door foil disengaged can be brought from the threaded spindle.

This can be done, for example, that the threaded spindle horizontal is moved away from the lateral edge of the goal foil and thereby disengaged with the attached to the Torfolie coupling element device.

c) embodiments

1 : a gate with drawstrings,

2 : a gate with drive rollers,

3 : Leadership opportunities in the verti paint rails,

4 : tracking chains,

5 : a solution with medium vertical guidance, and

6 : a gate driven by a threaded spindle.

Embodiments according to the invention are described in more detail below by way of example. Show it:
1a shows a gate in the front view in the closed state, in which the lateral edges 2a , b of the goal foil in marginal, the edge enclosing, C-shaped guides 6a , b are guided.

At the upper end of the gate opening 3 is the goal foil 2 as usual on a winding roll lying horizontally there 4 windable, which is driven by a motor.

At the bottom edge 2c the goal foil 2 is in the back view of the 1b - from those in the guides 6a Slightly offset towards the center of the gate, on both sides, one drawstring at a time 8th at the goal foil 2 attached, which over near the lower edge of the door opening 3 arranged pulleys 23a , b is deflected and guided back up.

To open the Torfolie the winding roll 4 motor driven in the winding, to close the gate are the bobbins 4 ' on which the drawstring 8th can be wound, which is about the same height as the winding roll 4 for the goal foil 2 is driven in the winding direction.

So that this can preferably be done by means of one and the same motor, the winding direction of the two winding rolls in the respective winding direction is therefore for goal foil 2 on the one hand and the drawstrings 8th on the other hand - chosen in reverse. By on the winding roll 4 for the goal foil 2 on the one hand and the bobbins 4 ' the drawstrings 8th On the other hand, each one freewheel is arranged directed in the unwinding, one and the same motor both types of bobbins 4 . 4 ' drive together by it can drive any kind of it only in the winding and acting in the unwinding of the respective freewheel.

The two types of bobbins 4 . 4 ' can be rotatably connected to each other via a drive mediation a timing belt or a chain or coaxially arranged on an axis, as in 1a shown in the left half.

In or near the bottom edge 2c the goal foil 2 is in the goal foil often a bag 13 incorporated, in the weighting of the goal foil 2 or for stabilization against bending a tube or a rod is inserted.

If at a solution where the bottom edge of the goal foil 2 pulled down, even a weighting of the lower edge is necessary, so according to the invention in this bag 13 no form-retaining pipe or a shape-retaining rod inserted, but a bulk material 14 with the appropriate weight, such as sand or steel gravel, to avoid injury if, while closing the gate, a still-continuous person is hit by this weighting.

Otherwise, in the sections, one above the other arranged pockets 13 Also in this case, preferably pipes for stiffening the Torfolie 2 inserted when winding on the winding roll 4 simply be wrapped.

2 shows solutions - 2a in the side view, 2 B in the front view and partly in horizontal section - in the Torfolie 2 pulled down by other means:
In the upper area of the 2a these are from the goal level 33 , ie the level of the lowered goal foil 2 , before and behind the goal foil 2 engaging pressure rollers 24a , b, the goal foil 2 keep clamped between them and of the at least one motor is driven in the closing direction 10 the goal foil 2 So the goal foil 2 pulls down. These pressure rollers are preferably near the upper end of the door opening 3 so close to the winding roll 4 , arranged to only with slightly unwound Torfil 2 the goal foil 2 to seize and promote downwards.

Preferably, such pairs of pressure rollers 24a , b on both sides, ie near the left and right edges of the goal foil 2 , arranged, however, in turn of the there usually existing guides 6a , b for the edges of the film 2 slightly to the middle of the goal 30 offset.

Such Anpressrollenpaare can also be arranged in height one above the other several times, so that the length of Torfolie 2 , which is actively pushed down when closing, is as low as possible.

With regard to the arrangement, the same applies to the in 2a below drawn drive pinion 25 , which with its teeth or projections in corresponding recesses or holes of the goal foil 2 engages, which are arranged vertically to each other.

These can be the depressions of a toothed belt applied to the door foil, or even holes 27 in the goal foil 2 even in which the teeth 26 of the drive pinion 25 can intervene.

On the opposite side from the drive pinion 25 must the goal foil 2 with a pressure roller 24a or another support device, so that the drive pinion 25 reliable positive fit into the contour on the door foil 2 intervenes.

2 B shows how such a row of holes for engaging the drive pinion 25 in the edge of the goal foil 2 but from the guides 6a , b slightly offset to the center, is arranged.

The teeth 26 of the drive pinion 25 are here for easier insertion into the holes 27 the goal foil 2 tapered towards the free end formed, especially in the horizontal direction. This will in addition to the conveying effect of the Torfolie 2 in the closing direction 10 also a guide and mounting the goal foil 2 in a horizontal direction 31 commanded by the holes 27 in the horizontal direction only have a size which is slightly larger than the width of the teeth 26 ,

In this way, when the film deflects due to wind load, part of this tension may be transverse 31 on the goal foil 2 from the form-fitting in the Torfolie 2 engaging drive pinion 25 be absorbed so that not the entire train in the transverse direction 31 from the thickened edge, for example the piping 5 , on the form-fitting enclosing lateral guidance 6a , b acts.

In 3 There are several ways shown when moving the goal foil vertically 2 , Especially when lowering the Torfolie 2 in the closing direction 10 , but also in the transverse direction 31 Friction between the thickened edge 2a , b the goal foil 2 and the marginal, form-fitting encompassing C-shaped vertical guide 6a to minimize b:
3a shows - as with all 3 in a horizontal section for the left edge area - a goal foil 2 , whose left edge 2a as a ball hoop 16 is executed.

This means that there in a band, for example, plastic or thin metal balls 16a rotatable - preferably rotatable in all directions - in the band 16 , are stored, but from the tape 16 laterally on both sides of the goal plane 33 or film level project. This is achieved in the near of the balls 16a the ball band 16 the balls 16a partially engages around the manner of a cage and holds form-fitting, but the furthest from the plane of the ball belt 16 distant areas of the balls 16a leaves free.

If such a ball tape 16 as a thickened edge 2a the goal foil 2 serve and in lateral guides 6a , B is recorded positively encompassing, when moving vertically the Torfolie 2 this balls 16a on the inner surfaces of the legs 28a , b of the guides 6a Rolling, which generates much less friction than the sliding friction of a welt in these guides 6a , b.

In 3a is further shown that the two legs 28a , b the C-shaped guide 6a are mutually pivotable, preferably at one of the opening of the C-profile opposite point and while in the normal position of the C-shaped guide 6a are biased against each other.

Should the train on the goal foil 2 in the transverse direction 31 So out of the lead 6a out, too big, the preload force is overcome, the opening of the C-shaped guide 6a widens by pivoting the thighs 28a , b in the opening direction and the thickened edge 2a , b the goal foil 2 can out of the lead 6 be pulled out without the Torfolie is damaged.

Such an opening of the leadership 6a , b can be synonymous with all others in the 3 provided solutions are provided.

In 3b are rotatably mounted balls 16a , b unlike 3a not in the goal foil 2 or their thickened edge 2a , b, but in the inner surfaces of the legs 28a , b of the vertical guides 6a , b.

Preferably, the arrangement is there such that these balls 16a , b at the transition between the normal goal foil 2 and their thickened edge, for example, the piping 5 , attack and thereby not only reduce the friction in the vertical direction, but also traction in the transverse direction 31 be able to record.

3c is different from the solution of 3b in that instead of bullets 16a , b disc-shaped rollers 17a , b in the thighs 28a , B are stored, with their peripheral surfaces also at the transition between Torfol 2 and piping 5 attack. The rotation axes 17a , b of the rolls 17 are accordingly inclined at an acute angle to each other.

It goes without saying that at the 3a to c the balls 16 respectively. 16a , b or roles 17 along the length of the goal foil 2 or the vertical guides 6a , b are arranged several times in succession, in particular at short intervals.

3d shows a solution in which a rolling element, again here in the form of a scheibenförmi role 17 , this time on the frontal free end of one of the stabilization tubes 22 is attached, at intervals in the pockets 13 the goal foil 2 are arranged.

Also this role 17 becomes a C-shaped, encompassing, vertical guide 6a , b led on each page.

For this purpose, the stabilization tube protrudes 22 either laterally over the side edge of the goal foil 2 out - as in 3d shown - or ends within the width of the Torfolie 2 , in which case holes in the goal foil 2 must be present to the role 17 on both sides of the goal level 33 from the goal foil 2 protrude and on the inner surfaces of the guide 6a to let b attack.

4 shows a solution in case of vertical movement of the goal foil 2 the friction between goal foil 2 and the edge, especially piping 5 , embracing vertical leadership 6a , b is completely avoided, in which this vertical guidance 6a , b with the goal foil 2 moved, so between goal foil 2 and vertical guidance 6a , b no relative movement takes place.

This is made possible by the vertical guides 6a , b pairs of endless circulating guide chains 15a , b, which are closely adjacent and parallel to each other with one strand and between these two dreams the edge of the goal foil 2 take up between them and for its thickening, especially the piping 5 , a respective half-shell-shaped depression in the links of the guide chain 15a , b, as in the cross-sectional view of 4b seen.

The leadership chains 15a , b run over pinion 23a , b near the top and bottom of the door opening 3 around, in a plane that in the right winding to the goal level 33 stands, with the one guide chain 15a before and the other leadership 15b behind the goal level 33 circulates.

The links of the leadership chains 15a are preferably made of plastic, which are hinged together and with their outwardly facing surface a corresponding contour for receiving the thickened edge 2a , b the goal foil 2 exhibit. To one side, so towards the middle of the goal, also protrudes the goal foil 2 between the opposing chains 15a , b between them.

The relative speed between goal foil 2 and the leadership chains 15a , b as vertical guides is avoided by z. B. when moving the Torfolie 2 in the closing direction 10 the leadership chains 15a , b at the same speed in the closing direction 10 be moved like the goal foil 2 even.

This can be achieved in different ways:
Either both the goal foil 2 as well as the two leadership chains 15a , b in the closing direction 10 driven equally fast, in which case no adhesion between goal foil 2 and the leadership chains 15a , b must exist.

Another variant is, especially when moving in the closing direction 10 the goal foil 2 non-positively between the two guide chains 15a b and only the management chains 15a , b motor drive and thus the Torfolie 2 to pull down.

In this case, the leadership chains should 15a , b at least at their highest point running against each other the goal foil 2 held pressed between them, but preferably over the total height of the door opening 3 so from the highest point of the goal foil 2 not pushed down, but moved along its entire length.

5 shows a solution in addition to the lateral vertical guides 6a , b in the middle area of the door opening 3 another, medium, vertical leadership 6 ' is present, which in this case is on the inside of the goal level 33 So the goal foil 2 seen from. For this purpose, the Torfolie 2 on its back a thickening protruding to the rear, z. B. a piping 5 , on, in the vertical direction also the vertical piping 5 ' positive fit, z. B. C-shaped, embraces.

Because with raised Torfol 2 such a middle leadership 6 ' as an obstacle in the door opening 3 would stand, this middle leadership 6 ' - if there are several of these next to each other, of course, all middle guides 6 ' - be removed with the door open, which is the easiest possible, that this middle guide 6 ' can be folded up:
For this purpose, the vertical middle guide 6 ' - depending on the height of the door opening 3 - Two-piece or multi-part, and the individual parts are hinged together, wherein the upper end of the uppermost portion about a point at or above the door opening 3 is pivotally mounted on the building and can be swung up by means of a motor in the horizontal position, whereby the remaining sections are pivoted to the first section, so that the entire central guide 6 ' zigzag z. B. in the goal level 33 folded up at or above the door opening 3 is located and this is completely consistent.

If the middle leadership 6 ' a closed C-profile is, in which the goal foil 2 with her middle piping 5 ' When unwinding should run, the unfolding of the middle guide 6 ' before the handling of the goal foil 2 occur.

However, another possibility is - as in 5 illustrated in the drawing - the hinged middle guide 6 ' for quickly moving the goal foil 2 down to use by the lower end of the middle guide 6 ' at the bottom edge 2c the goal foil 2 is attached.

By unfolding the middle guide 6 ' in the stretched vertical position is thus the goal foil 2 with its lower edge 2c pulled down in front.

Naturally, the central piping can 5 ' not yet within the middle leadership surrounding him 6 ' which is why the middle leadership 6 ' to open in the transverse direction and from a half-shell 6 ' as well as a positive counter movable element, for example, a respective second half-shell 6b ' , consists.

When unfolding the middle guide 6 ' down is this middle guide 6 ' opened, and only in the stretched state, when the middle piping 5 ' in the one half shell of the likewise stretched middle guide 6 ' is located, the counter element of the middle leadership 6 ' closed and thus the middle piping 5 ' positive in all horizontal directions in the middle guide 6 ' held.

The folded down middle guide 6 ' therefore supports the goal foil 2 then not only against wind pressure from the outside, but also against overpressure on the goal foil 2 from the inside, adding the goal foil 2 can not turn outward. This will make a train in the transverse direction 31 on the in vertical guides 6a b led thickened edges 2a , b minimized, and yet remains due to the lateral guidance of the edges in the guides a sufficient tightness of the door obtained.

The 6 shows a possibility of driving the Torfolie 2 - especially in the closing direction 10 - With the help of a vertically extending threaded spindle 29 while winding up the goal foil 2 in the opening direction 11 preferably in turn by driving the winding roll 4 he follows.

The threaded spindle 29 is located on one side of the goal level 33 So the goal foil 2 , preferably near their lateral edges, preferably in each edge region such a threaded spindle 29 is arranged.

To the threaded spindle 29 Protected to accommodate protected at least when the gate is closed, this is preferably located on the inside of the goal level 33 and largely surrounded by a housing.

The threaded spindle 29 is driven by a motor, preferably at the upper end of the threaded spindle 29 coaxially arranged on this.

At the bottom edge 2c the goal foil 2 is a coupling element 32 arranged, which like a spindle nut in the thread of the threaded spindle 29 engages or can be engaged, because preferably the coupling element is only a fork, which is about half the circumference of the threaded spindle 29 surrounds, or even a single cam, only at one point of the circumference in the threaded spindle 29 intervenes.

The closer this fork or this cam on the side, in the guides 6a , b led edges 2a , b the goal foil 2 is arranged, the less can this coupling element 32 due to the flexibility of the goal foil 2 from the film level 33 dodge.

To avoid this, the coupling element instead of the Torfolie 2 also on one of the stabilization pipes 22 be attached, preferably on the lowest stabilization tube in the bag 13 at the bottom edge 2c the goal foil 2 ,

If the goal foil 2 is in the raised state and the coupling element 32 engaged with the threaded spindle 29 is, by driving the threaded spindle 29 the coupling element 32 be driven down quickly and thus the goal foil 2 be pulled down.

At the bottom of the gate opening 3 the coupling element is arrived 32 from the threaded spindle 29 solved. Preferably, this is done by the threaded spindle 29 in the transverse direction to the goal plane 33 moved and thereby disengaged from the coupling element 32 is brought and to open the gate, the Torfolie 2 then again conventional, so by driving the winding roll 4 in the opening direction 11 , be driven by a motor.

1

foil-sheet

2

Torfolie

2a, b

edge

2c

lower edge

3

door opening

4, 4 '

reel

5, 5 '

piping

6a, b

vertical guide

6 '

middle guide

7

drive motor

8th

tieback

9

driving direction

10

closing direction

11

opening direction

12

freewheel

13

bag

14

bulk

15a, b

guide chain

16

ball band

16a, b

roll

17

roll (in the lead)

17a, b

rotational axes

18

tensioning mechanism

19

limit switch

20

supporting strip

21

holding means

22

Stabilization tube

23a, b

guide rollers

24a, b

Pinch Rollers

25

pinion

26

teeth

27

hole

28a, b

leg

29

screw

30

door center

31

transversely

32

coupling element

33

door plane

Claims (41)

High-speed foil door ( 1 ) with a winding roll ( 4 ) for the goal foil ( 2 ) across the door opening ( 3 ), characterized in that for closing the foil door ( 1 ) on the goal foil ( 2 ) below the winding roll ( 4 ) in addition to the gravitational loading a drive device ( 9 ) on the film ( 2 ) in the closing direction ( 10 ) acts. (Zugriemen) High-speed foil door ( 1 ) according to claim 1, characterized in that at the lower end of the Torfolie ( 2 ), in particular close to its lateral edges ( 2a , b), a tension element, in particular a tension band ( 8th ), is motor-driven and during closing the lower edge ( 2c ) of the film ( 2 ) pulls down. High-speed foil door ( 1 ) according to any one of the preceding claims, characterized in that the tension element at or below the lower edge ( 2c ) of the door opening ( 3 ) is deflected and led up to the drive motor ( 7 ) for the winding roll ( 4 ). High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the drive motor ( 7 ) for the winding roll ( 4 ) depending on the direction of rotation optionally the winding roll ( 4 ) in the opening direction ( 11 ) or the tension element in the closing direction ( 10 ) and these two elements in the other direction with a freewheel ( 12 ) are equipped. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the goal foil ( 2 ) at their lateral edges ( 2a , b) with a thickening, in particular a piping ( 5 ), and the thickening or piping ( 5 ) in lateral vertical C-shaped guides ( 6a , b) is guided. (weighted lower edge) High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the lower edge ( 2c ) of the foil gate ( 1 ) with a closed bag ( 13 ), in particular over the entire width of the gate ( 1 ), in which a heavy bulk material ( 14 ), especially sand, as ballast. (Pressing rollers) High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that below the winding roll ( 4 ), in particular at several heights, pairs of pressure rollers ( 24a , b) opposite sides of the film ( 2 ), wherein at least the uppermost pairs in the closing direction ( 10 ) are drivable. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the drive motor ( 7 ) for the pressure rollers ( 24a , b) has a control which increases the rotational speed of the drive rollers at the beginning, in particular in the first 0.5 seconds, continuously, in particular increases so that no slip between pressure roller ( 24a , b) and goal foil ( 2 ) occurs. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the pressure rollers ( 24a , b) have a covering with high friction, in particular rubber, and in particular on the thickened edge region of the goal foil ( 2 ), but preferably outside the vertical guides ( 6a , b), on the film ( 2 attack). (Toothed belt) High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that in the Torfolie ( 2 ) extending vertically a toothed belt is arranged, in which a at least in Closing direction driven pinion engages. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the toothed belt is present on both sides of the film plane and also the driven pinion. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the toothed belt in a row of holes in the film ( 2 ) consists. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the toothed belt has a boundary of its recesses in the horizontal transverse direction ( 31 ) and the pinion in the transverse direction ( 31 ) is fixed axially and in particular one to the free end in the transverse direction ( 31 ) has a conically tapering tooth shape. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the toothed belt (s) are centered in the door foil ( 2 ) are arranged. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the toothed belt or belts close to the lateral edges of the Torfolien ( 2 ), in guiding the thickened edges next to the guides, are arranged. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that a plurality of pinions or pairs of pinions are arranged one above the other and at least the topmost pinion or pair of pinions in the closing direction ( 10 ) is driven. (Balltape) High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the thickened edge of the goal foil ( 2 ) from at regular intervals in the Torfolie ( 2 ) or one with the goal foil ( 2 ) connected vertical band and transverse to the plane of the Torfolie ( 2 ) projecting rotatably mounted balls ( 16a , b). High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that in the vertical guides ( 6a , b) those on the goal foil ( 2 ) or the piping ( 5 ) engaging legs of the guide vertically in succession from the legs protruding rotatably mounted balls ( 16a , b) or roles ( 17 ) having. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that in roles ( 17 ) in the guides the plane of the rollers ( 17 ) are directed in pairs at an acute angle to the film plane against the thickened edge. (Guide chains running on both sides) High-speed foil door ( 1 ) according to any one of the preceding claims, characterized in that on both sides of the film plane in addition to the thickened edges in each case an endlessly circulating chain whose guide pinion at the top and bottom of the door opening ( 3 ) are present, whose members between them in a corresponding cup-shaped recess or the Torfolie ( 2 ) next to the thickened edge of the film ( 2 ) and in particular are driven at a speed which corresponds to the closing speed of the door foil ( 2 ) corresponds. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the moving chains have no driving force on the goal foil ( 2 ) exercise. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the tracking chains only at their highest point on the film ( 2 ), in particular just below the winding roll ( 4 ), a driving force on the goal foil ( 2 ) in the closing direction ( 10 ). High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the inlet funnel for the thickened edge in the upper end of the guide rail is widened all the more, the smaller the distance to the winding roll ( 4 ). High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the distance to the winding roll ( 4 ) at least half, better the entire diameter of the fully wound winding roll ( 4 ) corresponds. (Middle-piping) High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that a vertical thickening, in particular a piping ( 5 ), vertically extending at one or more points in the middle region of the Torfolie ( 2 ) is applied on at least one of its sides, in particular the inside, and is guided in a central vertical guide rail, which in the opened state of the foil gate ( 2 ) is folded away upwards. (movable guides) High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that a clamping mechanism ( 18 ) is present, the in the closed state of the foil gate ( 2 ) the vertical side guides ( 6a , b) back to its correct outer position. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the clamping mechanism ( 18 ) with the limit switches ( 19 ) of the foil gate ( 1 ) is coupled. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the lateral vertical guide rails when closing the Folientores ( 1 ) to the middle ( 30 ) Are movable, in particular pivotable about its highest point to the center are movable. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the lateral edge of the door foil ( 2 ) is an inflatable cavity and can be inflated after reaching the closed position for fixing in a C-shaped engaging behind guide rail. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the C-shaped edge-side guide rails against each other resiliently biased free legs ( 28a , b) of the C-profile which surrounds the thickened edge of the film ( 2 ) release too much tensile load. High-speed foil door ( 1 ) according to any one of the preceding claims, characterized in that the spring bias of the legs ( 28a , b) of the C-profile is adjustable. (powered support bar) High-speed foil door ( 1 ) according to any one of the preceding claims, characterized in that vertically along the inside of the door foil ( 2 ) a support strip ( 20 ) running with the lower edge of the Torfolie ( 2 ) and with the door open ( 1 ) is moved upward, in particular in the upper region of the door opening ( 3 ) can be folded. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the support strip ( 20 ) is drivable at least in the unfolded direction and the Torfolie ( 2 ) moves into the closed position. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the support strip ( 20 ) Holding means ( 21 ) to the Torfolie ( 2 ) against lifting outwards on the support strip ( 20 ) to keep. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the holding means ( 21 ) are mechanical holding means attached to the stabilizing tubes ( 22 ) in the goal foil ( 2 attack). High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the holding means ( 21 ) are mechanical holding means, one on the inside of the Torfolie ( 2 ) arranged vertically extending piping ( 5 ) hold positively or non-positively. (Stabilization tubes guided) High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the horizontal stabilizing tubes ( 22 ) in the goal foil ( 2 ) and a thickening, in particular a ball-bearing roller ( 17 ), in which they are guided in lateral guide rails, in particular laterally over the Torfolie ( 2 ), in particular in addition to one between the stabilizing tubes ( 22 ) arranged edge reinforcement of the film ( 2 ). (Screw) High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that vertically at or adjacent to the lateral edges of the Torfolie ( 2 ) a motor-driven threaded spindle ( 29 ) is arranged, with the aid of which a arranged at the lower end, cooperating with the threaded coupling element ( 32 ) in the vertical direction ( 6a , b) the lower edge ( 2c ) of the goal foil ( 2 ) can move down. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the coupling element ( 32 ) can be brought out of engagement with the threaded spindle and only in the wound state of the Torfolie ( 2 ) and is brought into engagement with the threaded spindle before the beginning of the closing operation, which is only until the door foil is completely closed ( 2 ) is maintained. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that the coupling element ( 32 ) is a fork engaging in the threaded spindle. High-speed foil door ( 1 ) according to one of the preceding claims, characterized in that for disengaging the threaded spindle is brought horizontally out of engagement of the fork.