Device for mounting shading systems

Abstract

Cord threading module for threading the tensioning cords and for mounting a shading system, in particular a pleated blind, with a clamping device (201) by means of which the partially manufactured shading system can be tensioned centrally between two cord mounting units (214, 215), characterized in that the clamping device (201) has two rail clamps (202, 203) which are mirror-symmetrical to one another and can be moved synchronously to one another by means of a drive (205).

Description

[0001] The invention relates to a cord threading module for threading the tension cords and for mounting shading systems, in particular pleated blinds.

[0002] EP 0 892 145 A1 discloses a device designed to facilitate the threading of tension cords into pleated blinds. Pleated blinds are shading systems used for interior sun protection, in which a pleated fabric is arranged between two rails. The pleated blinds are held parallel to the glass surface to be shaded, for example a window or patio door, by tension cords. In the first pleated blinds of this type, the upper rail was usually permanently attached to the window frame, and the lower rail could be moved up or down to open and close the blind. In recent times, pleated blinds with both the upper and lower rails movable are predominantly used. This allows the user to shade any section of the glass surface.

[0003] The tension cords must be threaded through holes in the rails and corresponding holes in the pleated fabric, which together form a threading channel. This is done after the pleated fabric and rails have been assembled, ideally with the curtain fully folded. This fully folded curtain is also referred to as a (curtain) package. The thickness of the curtain in this folded state is also referred to as the package height.

[0004] Threading the tension cords requires that the rails and the pleated fabric are first drilled. Furthermore, so-called adhesive piping must be attached to the fabric to hold the pleated fabric to the rails. This adhesive piping must also be drilled. The tension cords must then be threaded into the prepared pleated blind, ensuring that the tension cords are the exact length required for the window dimensions so that the pleated blind is properly tensioned after installation on the glass surface to be shaded, e.g., the windows. The device according to EP 0 892 145 A1 offers an initial simplification in this regard. It essentially represents a type of gauge with which the length of the tension cords can be precisely adjusted. However, the threading process still has to be carried out manually, which is time-consuming. Furthermore, this device only offers a certain amount of support during the threading process.The device does not provide any support for the remaining upstream assembly steps of the pleated blind.

[0005] Based on this, the invention is based on the problem of proposing a largely automated cord threading module for threading tension cords and for installing shading systems, especially pleated blinds. The device is not limited to pleated blinds. Rather, the basic idea of ​​the invention can also be applied to all shading systems that require tension and / or pull cords, such as horizontal blinds, roller blinds, or Roman blinds.

[0006] To solve this problem, the device according to the invention has a cord threading module with the features of the applicable patent claim 1.

[0007] In the fabric processing module, the adhesive piping is attached to the pleated curtain fabric, and the threading holes are drilled or punched in the curtain fabric and the adhesive piping. Preferably, the threading holes in the two adhesive piping are punched first, and only then are the adhesive piping connected to the curtain fabric. The curtain fabric is then drilled. This eliminates the need for the relatively sensitive hollow drill to also drill the relatively hard adhesive piping when drilling the curtain fabric, which would cause significant wear on the hollow drill. It is particularly advantageous if the holes in the adhesive piping are punched larger than the holes in the curtain fabric. This compensates for any misalignment between the holes in the adhesive piping and the corresponding holes in the curtain fabric.

[0008] Following a refinement of the fabric processing module, the adhesive piping is inserted into a channel provided with a cover. This protects the adhesive surface of the adhesive piping, even if a protective film has already been removed. Because the adhesive piping is pulled from a supply roll, it has a tendency to bend outward in an arc. This could cause the adhesive piping to bend out of the channel once the cover is removed. To prevent this, the adhesive piping is held at its two long edges, partly by a bar on the channel and partly by not completely removing the cover, until it has been bonded to the curtain fabric.

[0009] In the rail module, an upper and lower rail are each prepared for the pleated blind. Specifically, the rails, which have already been cut to the required length, are provided with the necessary threading holes, particularly by means of punching, and cord eyelets are inserted into the threading holes. Furthermore, fastening holes are drilled for handle tabs and, if necessary, positioning holes for cord tensioners. Furthermore, a cover strip for the upper and / or lower rail is cut to length. To ensure that both cover profiles can be cut to length simultaneously, if a cover profile is required for both the upper and lower rails, the rail processing module preferably has two processing lines. After a structural design, the cover profiles are located on a supply roll and are each pulled off by a gripper, cutting them to the required length. The cover profiles are then cut to length.

[0010] To punch the threading holes and, if necessary, the other holes in the upper and lower rails, these are preferably clamped together parallel to one another. This allows the holes in both rails to be punched simultaneously, which saves processing time. To punch the holes, according to a design of the rail processing module, a punching device is moved in the longitudinal direction of the rails relative to the rails and the respective holes are punched one after the other. The threading holes can be punched on an outward path of the punching device and the cord eyelets inserted on a return path. It is particularly advantageous, however, if on the outward path a first threading hole is punched first, then a cord eyelet is inserted and the punching device is then moved to the next position where another threading hole is punched and a cord eyelet inserted.For this purpose, a storage unit for the cord eyelets is assigned to the punching device, in which the cord eyelets are stored and removed by the punching device. The storage unit is thus moved together with the punching device as part of the device, so there are no significant conveying paths. It is particularly advantageous if a precisely counted number of cord eyelets is fed to the storage unit. For this purpose, the cord eyelets can be fed from a magazine, for example, to a transfer magazine in the required number, and then transferred from the transfer magazine to the storage unit.

[0011] According to another design embodiment of the rail processing module, a separate punching device is provided for punching the threading holes on the one hand and for punching the fastening holes for the grip tabs on the other, since these are located on different surfaces of the rail. Preferably, one punching device is dragged by the other punching device, thus avoiding separate drives for both punching devices. If positioning holes for cord tensioners are required, these are preferably punched by one of the two punching devices, since they can be provided on either the same surface of the rail as the threading holes or the fastening holes for the grip tabs. This avoids the need for a separate punching device for the positioning holes.

[0012] The final assembly of the pleated blind takes place in the cord threading module, after the rails from the rail processing module and the pleated fabric from the fabric processing module have been connected. Specifically, tension cords are threaded through, fitted with cord tensioners where necessary, and tension feet are attached to their ends. Finally, the rails are fitted with end caps.

[0013] To thread the tensioning cords into the prepared pleated blind, the pleated blind should be centered between two cord mounting units. This allows both Z-threading and C-threading to be achieved without having to re-tension the pleated blind or reset the cord threading module. It is even possible to thread individual cords in Z-threading and other cords in C-threading in the same pleated blind. To thread a Z-threading, the cord is taken from one of the cord mounting units, threaded through the corresponding threading channel from one of the two rails, and pulled from the side of the other rail to the opposite cord mounting unit, where it is temporarily held. For a C-threading, the relevant cord end is threaded through the threading channel and then pulled back to the same cord mounting unit.

[0014] Up to six tension cords are threaded through a pleated blind. Especially since not all tension cords, if any, need to be provided with a cord tensioner, they still need to be distinguishable by the operator. For this purpose, it is recommended to connect a cord holder with a supply reel for the tension cord via a variable spacer to the corresponding cord assembly unit. This makes it possible to allow the individual tension cords to protrude by a predetermined but distinguishable amount beyond the required length. The operator can differentiate between the individual cords based on the overhang. Additionally or alternatively, it is also possible to provide a separate holding pin for each tension cord, with the respective cord ends being assigned to the holding pins in a predetermined order. This also allows the operator to distinguish between the individual cords.

[0015] Further features of the invention relate to structural designs of the fabric processing module, the rail processing module and the cord threading module as well as a device for inserting the curtain fabric into the rails.

[0016] The invention is explained in more detail below using an exemplary embodiment shown in the drawing. In the drawing: Fig. 1 a device with the features of the invention in plan view, Fig. 2 a material processing module for the device according to Fig. 1 in plan view, Fig. 3 the fabric processing module according to Fig. 2 in cross-section in plane III-III, Fig. 4 a detail of the fabric processing module according to Fig. 2 Fig. 5 a rail processing module for the device according to Fig. 1 in plan view, Fig. 6 a detail of the rail processing module according to Fig. 5 in plan view, Fig. 7 another detail of the rail processing module according to Fig. 5 in plan view, Fig. 8 a cord threading module for the device according to Fig. 2 in plan view, Fig. 9 a clamping device for the cord threading module according to Fig. 8 in plan view, Fig. 10 a rail clamp for the clamping device according to Fig. 9 in plan view, Fig. 11 a cord assembly unit for the cord threading module according to Fig. 8, Fig. 12 a first threading carriage for the cord threading module according to Fig. 8, Fig. 13 another threading carriage for the cord threading module according to Fig. 8, Fig. 14 a device for facilitating the insertion of a pleated curtain into associated rails in a perspective view.

[0017] Fig. Figure 1 shows a device for installing shading systems, specifically pleated blinds, which consists of three modules. On the left is a fabric processing module 100, in the middle a cord threading module 200, and on the right a rail processing module 300. In the fabric processing module 100, the pleated blind fabric is provided with an adhesive welt at its upper and lower ends so that it can later be inserted into an upper and lower rail. Furthermore, the threading holes for the tensioning cords of the pleated blind are drilled here. In the rail processing module 300, threading holes are punched in the upper and lower rails, and cord eyelets are inserted into these holes. Furthermore, mounting holes are punched for a handle element for operating the upper and / or lower rail, as well as for cord tensioners. Finally, a cover for the upper and / or lower rail is cut to the appropriate length.The final assembly of the pleated blind takes place in the cord threading unit after the pre-drilled curtain fabric from fabric processing module 100 and the processed rails from rail processing module 300 have been assembled. Modules 100, 200, and 300 operate independently of each other and do not need to be arranged in lines next to each other as shown; they can also be positioned separately in the room. Only short distances between modules 100, 200, and 300 should be ensured, as they can be operated by a single operator. The operator performs manual tasks on one of modules 100, 200, or 300, while the remaining modules 100, 200, or 300 perform automated tasks.

[0018] The upper and lower rails, as well as the pleated fabric, are delivered to the device pre-cut to the required length, i.e., the width of the window for which they are intended. The pleated fabric has a thickness corresponding to the window height. Using a barcode or job order number, the device recognizes which order is to be processed and adjusts the individual modules 100, 200, and 300 to the required dimensions.

[0019] The individual modules 100, 200 and 300 are described in more detail below: As mentioned, the pleated curtain fabric is fed to the fabric processing module 100 in the dimensions required for the respective order. During processing, the pleated fabric is clamped between two clamping bars 101 and 102. First, the uppermost and lowermost sections of the pleated curtain fabric, which will later be inserted into the upper and lower rails, respectively, are placed on cover strips 103, 104 on the clamping bars 101, 102. Below each cover strip 103, 104 is a channel 105 into which an adhesive piping is inserted, which is glued to these sections to stiffen them. The adhesive piping is inserted into the channel 105 with its adhesive surface facing upwards, i.e., toward the cover strips 103, 104. The adhesive piping is unwound from a supply roll 106 and fed to a punching unit 108 via guide rollers 107.The left and right terminal strips 101, 102 are each assigned their own supply roll 106 and punching unit 108, as shown in . Fig. 3 recognizable.

[0020] In the punching unit 108, the adhesive piping is first punched. Specifically, holes are punched into the adhesive piping, which later align with the threading holes in the pleated blind fabric and also serve as passages for the pleated blind's tension cords. The diameter of the holes in the adhesive piping is slightly larger than the threading holes in the pleated blind fabric to compensate for any inaccuracies in the alignment between the threading holes in the pleated blind fabric and the holes in the adhesive piping. By punching the holes in the adhesive piping beforehand, these holes do not need to be drilled by the hollow drill for the pleated blind fabric, which protects the hollow drill.

[0021] After the holes in the adhesive piping have been punched, a protective film that protects the adhesive surface of the adhesive piping is removed and wound up, for example, on a separate film reel 112 for later disposal.

[0022] Of course, the steps of removing the protective film and punching the adhesive piping can be reversed, i.e., the protective film is removed first. However, the sequence described above, whereby the holes are punched first and then the protective film is removed, is preferred. The adhesive piping is unrolled from the supply roll 106 until the position for the first hole is reached in the punching unit 108. This hole is then punched. The adhesive piping is then unrolled further until the next hole position is reached, so that it can be punched. This process is repeated until all holes in the adhesive piping have been punched. The adhesive piping is gradually inserted into the channel 105. Once the adhesive piping is completely punched, it is cut to the length corresponding to the curtain width by the punching unit 108 and now lies completely in the channel 105.

[0023] The cover strips 103 and 104 are now retracted so that the section of the curtain fabric lying on them can be bonded to the adhesive surface of the adhesive piping. For this purpose, the operator presses the curtain fabric against the adhesive piping with their hands. During this time, the adhesive piping is held at one of its long edges in the channel 105 by an inward-facing web 109 and at its opposite edge by the cover strips 103 and 104, which are not fully retracted for this purpose. The adhesive piping was initially wound onto the supply roll 106 and therefore still has a certain pre-tension, which causes the adhesive piping to attempt to bend out of the channel 105. This is prevented by the cover strips 103 and 104 not being fully retracted on the one hand and the web 109 on the other.

[0024] Once the adhesive piping is fully bonded to the respective section of the curtain fabric, the cover strips 103, 104 are fully retracted, and the adhesive piping can be removed from the channel 105. The clamping strips 101 and 102 are now slightly opened so that the bonded sections of the curtain fabric, with the adhesive piping facing downward, can be folded against the remaining package of the curtain fabric. The curtain fabric is then moved downward into a drilling position and clamped again.

[0025] As in Fig. 2, six drilling units 110, 111 are assigned to the material processing module 100. The drilling units 110, 111 shown in the illustration according to Fig. 2 The left outer drilling unit 110 is fixed. The remaining drilling units 111, located to the right of it, are arranged to be movable longitudinally, i.e., transverse to the drilling direction, and are automatically moved to the required positions for drilling the threading holes in the pleated curtain fabric. Depending on the width of the curtain fabric to be drilled, not all drilling units 111 are required. The drilling units not required are moved all the way to the right. The remaining drilling units 111 are, as mentioned, moved to their respective positions. A common drive is assigned to the drilling units 111. The drilling units 111 are connected to or disconnected from the drive for movement.

[0026] The drilling rigs 110, 111 themselves are the subject of a separate application and are therefore not described in detail here.

[0027] The curtain fabric is now completely processed and can be removed from the fabric processing module after loosening the clamping strips 101 and 102.

[0028] The rail processing module 300 is in the Fig. 5 to 7. On the right, in Fig. 6, there is a cutting-to-length device 301 by means of which cover profiles for the upper and lower rails of the pleated blind are deflected according to the rail length. Depending on whether a cover profile is required for one or both rails, one or two cover profiles can be cut to length. The cutting-to-length device 301 has two processing lines 302 and 303 for this purpose. The cover profile is unwound from a supply roll (not shown), with each processing line 302, 303 being assigned its own supply roll. A punching device 304, by means of which the holes in the rail are later punched, has a gripper 314 each, with which the front ends of the respective cover profile are gripped. The punching device now moves according to the required length of the cover profile in the view according to . Fig. 5 to the left, thereby unwinding the cover profile from the supply roll. Once the desired length of the cover profile is reached, the cover profile is cut to length by the cutting device 301. A feed device 315 advances the end of the cover profile on the supply roll, resulting from the cutting process, far enough for it to be grasped by the gripper 314.

[0029] The rails, which, as mentioned, were already delivered in the required length, are clamped at their ends between a fixed jaw 305 and a movable jaw 306, with two rails being clamped side by side. For this purpose, the punching device 304, while pulling the cover profile from the supply roll in the manner described above, carries the movable jaw 306 along so that the distance between the jaws 305, 306 is slightly greater than the rail length. The rails are then inserted, clamped, and the movable jaw 306 is fixed in position and decoupled from the punching device 304. The movable jaw 306 therefore does not have its own drive.

[0030] The punching device now pulls the cover profile to the required length, as described above, if still necessary. The cover profile is then removed by the operator and the punch moves all the way to the left into the Fig. 7. Here, the punching device 304 is coupled to a second punching device 307, so that the second punching device 307 is carried along by the first punching device 304 as it is moved along the rail processing module 300. The punching device 304 is again moved to the right in the direction of the cutting device 301, always until the position of a hole to be punched for passing through the tensioning cords for the pleated blind is reached. The required holes are punched into the two rails simultaneously, and the punching device 304 is moved to the position of the next hole. The second punching device 307 is carried along until the position of fastening holes for a handle element on a side surface of the upper and / or lower rail is reached. The fastening holes are now punched into the upper and / or lower rail.If two grip tabs are required on the upper and / or lower rail, the second punching device 307 is moved further until the position of the second mounting holes is reached and these are punched. Once all mounting holes have been punched, the second punching device 307 is decoupled and no longer moved by the first punching device 304.

[0031] Even before the holes described above are punched into the rails, the first punching device 304 takes over eyelets, which are later inserted into the holes for the tension cords of the pleated blind. Specifically, the tension cords are passed through the eyelets in a conventional manner.

[0032] The cord loops are located in a magazine 308 designed as a vibrating conveyor and are conveyed to a transfer magazine 309. Only as many cord loops are conveyed into the transfer magazine 309 as are required for the two rails. The number of required loops depends, as is known, on the length of the rails, i.e., on the track width. During the transfer of the cord loops from the magazine 308 to the transfer magazine 309, the transfer magazine 309 is Fig. 5 and Fig. 7 is pivoted 90° to the right towards the magazine 308. As soon as it has taken up the required number of cord loops, it is rotated 90° counterclockwise into the Fig. 5 and Fig. 7. The transfer magazine 309 is now aligned with a storage unit 310 for the cord eyelets.

[0033] By means of a pressure cylinder 311, the cord eyelets are inserted into the storage 310.

[0034] While the holes are being punched in the rails, while the punching devices 304 in the illustration according to Fig. 5 is moved to the right, the cord eyelets are stored in the storage 310. Immediately after a hole has been punched, the cord eyelets are inserted into the holes. For this purpose, a cord eyelet is first taken from the storage 310 by a mandrel, aligned, and then inserted into the first hole of the first rail. This is done specifically by screwing the cord eyelet in by approximately 90°. Now, the second cord eyelet is taken from the mandrel, aligned, and inserted into the first hole of the second rail as described above. The punching device 304 now moves to the next position with holes, punches the holes, and inserts a cord eyelet into the holes of each of the two rails in the manner described above. This process is continued by moving the punching device 304 further, i.e., by moving it to the right as shown in Fig. 5 until all holes are punched and provided with eyelets.

[0035] The rails are now finished within this rail processing module 300. They are removed from the rail fastening module 300. The handle elements are then attached. The rails are now prepared so that the pleated curtain fabric prepared in the fabric processing module 100 can be inserted into the rails in a conventional manner. This can be done by a Fig. 14, facilitates the optional device shown. The rails 400 are attached to a fabric guide using rail mounts 402. On the opposite side, the fabric guide 401 has a fabric tray 403 onto which the drilled curtain fabric is placed. The curtain fabric can now be easily inserted into the rails 400. In particular, the cord guide 401 covers sharp cut edges on the rails 400, so that the fabric does not snag or become damaged during insertion.

[0036] Further processing then takes place in the cord threading module 200.

[0037] The cord threading module 200 is in the Fig. 8 to 13. The cord threading module 200 has a clamping device 201 for clamping the pleated blind prepared in the manner described above. The clamping device 201 is in Fig. 9 is shown in more detail. The clamping device 201 has a left rail clamp 202 and a right rail clamp 203, which are mirror-symmetrical to one another. Both rail clamps 202, 203 are connected to a drive 205 via racks 204. By means of the drive 205, the rail clamps 202, 203 can be moved synchronously towards or away from one another in order to adjust the distance between the rail clamps 202, 203 to the rail length of the respective pleated blind, i.e., to the respective curtain width, and to clamp the thus prepared pleated blind. In this way, the thus prepared pleated blind is always kept centered. Linear guides 206 guide the rail clamps 202, 203 during their longitudinal movement. A slip clutch in the drive 205 ensures the desired clamping force.

[0038] The rail terminals 202, 203 are, as mentioned, mirror-symmetrical. Fig. Therefore, only the left rail clamp 202 is shown in detail in Figure 10. The rail clamps 202, 203 each have an upper pin 207 and a lower pin 208. The upper rail is clamped between the two upper pins 207, and the lower rail is clamped between the two lower pins 208.

[0039] The upper pin 207 can be moved transversely to the direction of movement of the sliding clamps 202, 203 to adjust the distance between the upper pin 207 and the lower pin 208 to the respective thickness of the curtain. This prevents the pleated curtain fabric from being pulled apart too far, as would be the case if the distance between the upper and lower rails were too large. This would cause the pleated curtain fabric to sag and prevent the tension cords from being properly threaded. Fig. Figure 10 shows the upper pin 207 and the lower pin 208 in the most retracted position, which can also be referred to as the first stop position. By means of a rotary drive 236 and rack 237, the upper pin 207 can be moved in the illustration according to Fig. 10 upwards, i.e., away from the lower curtain pin 208, until it has reached its greatest possible distance from the lower pin 208 (second stop position). Of course, it is possible to move the upper pin 207 continuously in order to adjust the distance between the upper pin 207 and the lower pin 208 precisely to the respective package thickness. However, this is not necessary in practice. Therefore, the present cord threading module provides three discrete intermediate positions. For this purpose, three pressure cylinders 209 are provided, each of which locks the upper pin 207 in a specific position.

[0040] After the pleated fabric prepared in this way has been clamped in the clamping device 201, threading of the tensioning cords can begin. For this purpose, the cord threading module 200 has a first threading carriage 210, which is longitudinally movable on linear guides 211. Although in Fig. 8 two first threading carriages 210 are shown, in fact there is only one threading carriage 210. It is in Fig. 8 are shown in only two different positions.

[0041] A further threading carriage 213 is arranged for longitudinal movement on additional linear guides 212. The further threading carriage 213 is provided on the side of the clamping device 201 opposite the first threading carriage 210.

[0042] A cord mounting unit 214, 215 is arranged on both ends of the clamping device 201. Both cord mounting units 214, 215 are mirror-symmetrical to one another. They are guided longitudinally on linear guides 216. They are adjusted to a distance from one another and from the pleated blind inserted into the cord threading module 200 such that, after threading the tensioning cords, the cord length required for the subsequent curtain height is achieved. Since the pleated blind is always centered between the cord mounting units 214, 215 by the clamping device 201, both so-called C-threading and Z-threading can be performed by the cord threading unit 200. The required cord length is always automatically set correctly.

[0043] The cord assembly units 214, 215 are described below using the Fig. 11 shown in more detail left cord mounting unit 214.

[0044] The cord assembly unit 214 is assigned a replaceable cord holder 217. A supply roll of cord can be slipped onto a mandrel 218 of the cord holder 217. At the respective outer ends of the cord threading unit 200, several cord holders 217 for different cord colors and cord thicknesses can be stored in a cord magazine. The cord holder 217 is fastened to a carriage 219, which is connected to the cord assembly unit 214 by means of a spacer 220. The distance between the carriage 219 and the cord threading unit 214 can be adjusted via the spacer 220. This allows slightly different cord lengths to be provided so that the cords protrude by a slight amount. The operator can identify the individual cords by the protrusion of these cords.

[0045] To thread the cord, the front end of the cord is first taken over by a needle 221 of the first threading carriage 210. The end of the cord is then pulled by moving the first threading carriage 210 to the threading channel formed by the holes in the rails and the curtain material, through which the cord must be threaded, for example the Fig. 8 shows the right position of the first threading carriage 210. The threading carriage is moved so far that the needle 221 has moved slightly past the respective threading channel, thus exhibiting an offset in the direction away from the cord mounting unit 214 to the threading channel. By means of pressure cylinders 220, the needle 221 is now slightly extended ( Fig. 13). Another needle 223 of the additional threading carriage 213 is now guided through the threading channel and takes over the cord end. Because the cord end overlaps the threading channel due to the offset between the needle 221 of the threading carriage 210, the needle 223 of the additional threading carriage 213 can easily take over the cord. Fig. 12 shows the further threading carriage 213 in more detail in this position.

[0046] The additional threading carriage 213 has two needles 223, each of which can be independently actuated via its own pressure cylinder 234, 235. The needles 223 and the pressure cylinders 234, 235 are arranged on the outer edges of the additional threading carriage 213. This makes it possible to move the forward needle 213 close to the respective cord assembly unit 214 or 215 in the direction of travel. Depending on whether the cord end must be guided to the right-hand cord assembly unit 214 or the right-hand cord assembly unit 215, only the needle 223 facing the respective cord assembly unit 214, 215 is used.

[0047] The needle 223 pulls the cord through the threading channel and then guides the cord end back to the left cord assembly unit 214 or further to the right cord assembly unit 215, depending on whether the cord in question is to be threaded using C-threading or Z-threading. Here, the cord end is held by a holding pin 224. Since up to six cords can be provided per pleated blind, i.e. three cords per side, three holding pins 224 are provided. The other cord end is now held in a holding pin 225 and the cord is severed at the cord magazine 217 by a hot cutter 226. Of the holding pins 225 for the end pointing towards the cord holder 217, only two holding pins 225 are provided, in which the first two cords can be held. A third cord can be held by a separate holding pin 227 on the cord holder 217.

[0048] Once all the tension cords have been threaded, a cord tensioner is attached to those where one is required or desired. The cord ends are then inserted into tension feet. For this purpose, pockets 228, 229 are provided on the cord mounting units 214, 215, into each of which a tension foot is inserted. The cord ends are inserted through a channel in the tension feet and clamped into the tension feet by a grub screw. For this purpose, each pocket 228, 229 is assigned a mandrel 230, 231, which presses the respective grub screw into the thread. This clamps the tension cords without damaging the thread, so that the grub screw can be loosened and retightened using a screwdriver if necessary when installing the pleated blind on the window. The mandrels 230, 231 are each actuated by a separate pressure cylinder 232, 234.

[0049] The clamping device 201 is now opened sufficiently so that, if necessary, the cover profiles can be inserted into the rails. Furthermore, an end cap is inserted between each end face of a rail and a pressure plate 238 on the rail clamps 202, 203, and the clamping device is closed again. This pushes the end caps into the rails. The pleated blind, which has been installed so far, can now be removed from the rail threading module. The operator then winds up the overhanging tensioning cords in a conventional manner.

[0050] In the same way as adjusting the clamping device 201 to the respective package thickness, the cord assembly units 214, 215 can also be adjusted to the respective package thickness. Specifically, the distance between the pockets 228, 229 and the retaining pins 224, 225 is adjusted. For this purpose, a unit with the retaining pins 224, the mandrel 230, and the associated pressure cylinder 232, and the pocket 228 is moved in the same way as the pin 207. For this purpose, the cord assembly units 214, 215 are equipped with a drive that moves the respective unit between two stops. Intermediate positions can be locked by three pressure cylinders. The same applies to the further threading carriage 213, which can be adjusted in the same way to the respective package thickness by adjusting the distance of the further threading carriage 213 to the first threading carriage 210 in a direction to the longitudinal extension of the rails of the pleated blind.

[0051] Modules 100, 200 and 300 can also be used independently of each other. List of reference symbols: 100 fabric processing module 101 terminal block 102 terminal block 103 Cover strip 104 cover strip 105 Channel 106 supply roll 107 Guide pulley 108 punching unit 109 jetty 110 drilling unit 111 Drilling unit 112 film reel 200 cord threading module 201 clamping device 202 rail clamp 203 rail clamp 204 rack 205 drive 206 Linear guide 207 cones 208 cones 209 pressure cylinders 210 threading carriage 211 Linear guide 212 Linear guide 213 threading carriage 214 Cord mounting unit 215 Cord mounting unit 216 Linear guide 217 cord holder 218 Thorn 219 sleds 220 spacers 221 needle 222 pressure cylinders 223 needle 224 retaining pins 225 retaining pins 226 hot cutters 227 retaining pins 228 bag 229 Bag 230 Thorn 231 Thorn 232 pressure cylinders 233 pressure cylinders 234 pressure cylinders 235 pressure cylinders 236 rotary drive 237 rack 238 printing plate 300 rail processing module 301 cutting device 302 processing line 303 processing line 304 punching device 305 Cheek 306 Cheek 307 punching device 308 Magazine 309 transfer magazine 310 memory 311 Pressure cylinder 312 pressure cylinders 313 Traverse 314 grippers 315 feed unit

Claims

[1] Cord threading module for threading the tensioning cords and for mounting a shading system, in particular a pleated blind, with a clamping device (201) by means of which the partially finished shading system can be tensioned centrally between two cord mounting units (214, 215), characterized by that the clamping device (201) has two rail clamps (202, 203) which are mirror-symmetrical to one another and which can be moved synchronously to one another by means of a drive (205). [2] Cord threading module according to claim 1, characterized by that the clamping device (201) can be adjusted in its width to the package height of the curtain. [3] Cord threading module according to claim 1 or 2, characterized by that each cord mounting unit (214, 215) is assigned a cord holder (217) which is connected to the cord mounting unit (214, 215) via a variable spacer (220). [4] Cord threading module according to one of claims 1 to 3, characterized bythat each end of the tensioning cords is assigned a retaining pin. [5] Cord threading module according to one of claims 1 to 4, characterized by two threading carriages (210, 213), which are arranged on opposite sides of the partially assembled shading system and are movable. [6] Cord threading module according to claim 5, characterized by that one of the threading carriages (213) has two independently operable needles (223). [7] Cord threading module according to one of the preceding claims, characterized by that the rail clamps (202, 203) are connected to the drive (205) via racks (204). [8] Cord threading module according to one of the preceding claims, characterized by that the drive (205) has a slip clutch. [9] Cord threading module according to one of the preceding claims, characterized by that the rail clamps (202, 203) each have an upper pin (207) and a lower pin (208). [10] Cord threading module according to claim 9, characterized by that the upper pin (207) can be moved transversely to the direction of displacement of the rail clamps (202, 203).

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