WO2015176095A1

WO2015176095A1 - Device and method for transporting tube-shaped bag bodies

Info

Publication number: WO2015176095A1
Application number: PCT/AT2015/050128
Authority: WO
Inventors: Hans Peter Gerber; Peter Brunner
Original assignee: Lohia Corp Limited; Strobl, Johannes
Priority date: 2014-05-20
Filing date: 2015-05-20
Publication date: 2015-11-26
Also published as: AT516092A1; EP3148789B1; TW201600434A; TWI652215B; BR112016026899B1; AT516092B1; CN106458497B; CN106458497A; EP3148789A1; BR112016026899A2

Abstract

The invention relates to a device (1) and to a method for transporting tubular bag bodies (2), said device comprising a longitudinal transport apparatus (3), by means of which the tubular bag bodies (2) can be transported substantially in the direction (3') of the longitudinal extent of the bag bodies, a transverse transport apparatus (8), by means of which the tubular bag bodies (2) can be transported substantially perpendicularly to the longitudinal extent of the bag bodies, and a transfer apparatus (9) for transferring the tubular bag bodies (2) from the longitudinal transport apparatus (3) to the transverse transport apparatus (8), wherein the transfer apparatus (9) has at least an upper bearing surface (10) and a lower bearing surface (11) for the tubular bag bodies (2), wherein a track-switch element (12) that can be switched between an upper position and a lower position is provided, wherein the tubular bag bodies (2) can be fed to the upper bearing surface (10) in the upper position of the track-switch element (12) and to the lower bearing surface (11) in the lower position of the track-switch element (12).

Description

Apparatus and method for transporting tubular

bag bodies

The invention relates to a device for transporting tubular bag bodies, having a longitudinal transport device with which the tubular bag bodies can be transported substantially in the direction of their longitudinal extent, with a transverse transport device, with which the tubular bag bodies can be transported substantially perpendicular to their longitudinal extent, and with a transfer device for transferring the tubular bag body from the longitudinal transport porteinrichtung to the transverse transport device, wherein the transfer device has a support surface for supporting the tubular bag body.

Furthermore, the invention relates to a method for transporting tubular bag bodies, wherein the tubular bag body initially transported substantially in the direction of its longitudinal extent and fed to a support surface, wherein the tubular bag body are transported substantially perpendicular to the longitudinal extent of the support surface.

Such transport devices or transport methods have been known for a long time in the prior art and are widely used in systems for producing sacks, in particular fabric hoses. This is normally expected from a mate ^¬ rialbahn of which are isolated, the tubular bag body, particularly with a cross-cutter. Thereafter, the bag bodies are transported in the transverse direction in order to obtain access to the open end regions of the bag body in the subsequent production steps. For this purpose, various transfer devices have been proposed in the prior art, with which the change of direction during transport of the tubular bag body is accomplished.

From DE 10 2009 000 893 AI such a device for changing the transport direction of flat hose pieces is known. The pieces of hose are pushed one after the other in the longitudinal direction on a support surface, to be subsequently taken by a takeover ^¬ device in the transverse direction. Before a Hose piece can be removed in the transverse direction, the hose piece must first rest in this state of the art with sei ^¬ nem side region on the transverse transport plane, so that the side area can be detected by the transfer device. When pushing out the hose piece on the Auflageflä ^¬ che, it is therefore necessary that it is already partially arranged in the region of the transverse transport plane, so that the hose piece rests shortly before its adoption on this level. Due to the design of the transport table comprises in this prior art Störkanten, against which the bag could be pushed. As a result, the bag is compressed, possibly even damaged ^¬ and subsequent, proper onward transport of the bag is difficult. In order to avoid such collisions, DE 10 2009 000 893 A1 provides, in an embodiment, for the bearing surface of the transfer device to be subdivided into a fixed part and a height-adjustable part. The hö ^¬ henverstellbare part is designed plate-like and hinged on a rotary axis to the fixed part. The axis of rotation runs in the feed direction of the hose. Use ei ^¬ nes Hubkolbenzylinders the height adjustable range about the axis of rotation can now be pivoted so that the vertically adjustable ^¬ cash region laterally superior lateral edge of the tube piece does not run against a projecting edge of the transverse transport plane.

Moreover, it is described in DE 10 2009 000 893 that a following flat workpiece can be advanced by a certain distance in the longitudinal direction, while the workpiece ahead is transported by a distance which is smaller than the workpiece width ^¬ , in the transverse direction. For this purpose, a pusher element is provided, with which the end of the flat tube piece in a region below the plane on which the end initially rests, can be pressed. This area can be a free space at the side or below the support level. The pusher element may comprise a pneumatic piston cylinder, with which a pusher finger or a pusher bar is movable. The pusher finger or the pusher bar then come into contact with it in an area of the hose piece, this area not resting on the level. If the Drue ^¬ cker element moves, the end of the tube piece folded so from comprehensive slides on a side surface of the support plane along the support element until the end reaches the free space and aligns itself again due to restoring forces. However, this design is disadvantageously constructive on ^¬ agile and not always reliable.

Accordingly, the object of the present invention is to alleviate or eliminate the disadvantages of the prior art. The invention is therefore particularly aimed at making the transfer of the tubular bag body from the longitudinal transport device to the transverse transport device with structurally simple means and avoiding operational failures in such a way that the rate of the processed bag bodies is increased.

This object is achieved by a device according to claim 1 and a method according to claim 18. Preferred embodiments are specified in the dependent claims.

According to the invention, the transfer device has at least one upper support surface and a lower support surface for the tubular bag body, wherein a switchable between an upper position and a lower position switch element is provided, wherein the tubular bag body in the upper position of the switch element of the upper support surface and in the lower Position of the switch element of the lower support surface can be fed.

The tubular bag bodies port means by means of the Längstrans- along a particular horizontal longitudinal transported to the transfer device transport plane, are supplied with wel ^¬ cher the tubular bag body of the transverse transport device to perform a change of direction to the Wesentli ^¬ chen 90 °. As a result, the open end regions of the tubular bag bodies are arranged on the sides of the transverse transport device in order to gain access to the open end regions of the bag bodies in subsequent processing stations, for example a bottom opening device. The transfer device between the longitudinal and the transverse transport device according to the invention has an upper support surface and a lower support surface. The terms "top" and "bottom" refer to the operating position of the device. Accordingly, the tubular bag bodies in the operation of the device can be performed by switching the switch element alternatively to the upper or lower support surface. The transfer device preferably has a suitable with ^¬ receiving element, for example, a driver role, on, with wel ^¬ chem, the tubular bag body is transferred from the respective bearing surface to the transverse conveyor. Thereafter, the tubular bag body are transported in the transverse transport direction. Due to the at least two receiving surfaces, it is advantageously possible to avoid delays when passing through the transfer device. According to the invention, successive bag bodies can be arranged in an overlapping manner over the bearing surfaces during transport. Accordingly, the tubular bag body can be pushed in the longitudinal transport direction on the one bearing surface, while a preceding bag body is transported in the transverse transport direction of the other bearing surface. Advantageously, it is therefore not necessary to carry away the bag body entirely from the transfer device before the next bag body arrives at the transfer device. As a result, the number of processed per time bag body of the transfer device can be significantly increased. Compared with the prior art is advantageous in that the increase is on the one hand achieved by ^¬ rate on the transfer device with technically simple means and on the other hand, the separate support surfaces of the transfer device allows a reliable operation of the device, in which interference can be largely suppressed. Of course, more than two bearing surfaces can be provided. In some applications, it is favorable if the transfer device has at least one middle bearing surface between the upper and the lower bearing surface. To form the bearing surfaces plate-shaped support elements are preferably provided. Vorzugswei ^¬ se, the bearing surfaces are arranged in horizontal planes. However, the bearing surfaces can also be tilted relative to the horizontal.

With regard to a space-saving, compact design, it is advantageous if the upper and the lower bearing surface of the Überga ^¬ device are arranged one above the other. Preferably, substantially identical, in particular horizontal bearing surfaces are preferred intended. Of course, more than two bearing surfaces, for example three or four bearing surfaces, can be arranged directly above one another.

In order to improve the capacity of the transport device, it is advantageous if the switch element is designed for the alternating supply of the tubular bag body to the upper and the lower bearing surface of the transfer device. Accordingly, the tubular bag body are alternately supplied to the upper and the lower bearing surface of the transfer device. If more than two bearing surfaces are provided, the tubular bag body are preferably divided in order on the individual bearing surfaces of the transfer device.

For pivoting the switch element between the upper position and the lower position, it is advantageous if the Wei ^¬ chenelement is connected to a pivot drive. By Betä ^¬ tion of the pivot drive, the supply of the tubular bag body can be controlled to the upper and lower bearing surface. Preferably, the control of the pivot drive is adapted to supply the tubular bag body alternately the upper and the lower support surface.

In order to transport the tubular bag body to the upper and lower bearing surface, it is favorable if the pivot drive for pivoting the switch element about at least one parallel to the transport plane of the longitudinal transport device extending, substantially perpendicular to the longitudinal transport direction extending pivot axis is pivotable. Accordingly, the Wei ^¬ chenelement can to be tilted upward, at least one, especially horizontal pivot axis, to guide the arriving at the soft Enele ^¬ ment bag body to the upper supporting surface. On the other hand, the switch element can be tilted down to guide the arriving at the switch element bag body to the lower support surface.

In order to make the transport of the tubular bag body along the longitudinal transport device obstacle-free, it is advantageous if the switch element has an upper guide element and a lower guide element, wherein formed between the upper guide element and the lower guide element a guide ^¬ gap for the passage of the tubular bag body is. Accordingly, the tubular bag body are conveyed through the guide gap of the switch element, wherein the hose ^¬ shaped bag body guided depending on the position of the switch element to the upper support surface or the lower support surface who ^¬ the.

Particularly preferred is an embodiment in which the upper guide element at least one upper finger element, preferably a plurality of perpendicular to the longitudinal transport direction spaced upper finger elements, and / or the lower guide element at least one lower finger element, preferably a plurality of perpendicular to the longitudinal direction of transport spaced lower finger elements, on ^¬ has. In case of several finger elements, it is advantageous if the upper finger elements and / or the lower finger elements are ^¬ thing in common between the upper position and the lower position changeable, in particular pivotable.

According to an alternative embodiment is provided as upper and / or lower guide member, a plate member, in particular Introductio ^¬ approximately sheet metal, is provided, which is adjustable for transporting the tubular bag body in the direction of the upper and lower bearing surface between the upper and lower position.

In order to change the switch element for dividing the tubular bag body to the upper or lower support surface, it is advantageous if the upper guide element, in particular the upper finger elements, on an upper shaft member and / or the lower guide element, in particular the lower Fingerele ^¬ ments on are mounted a lower shaft member. The Wel ^¬ lenelement is preferably coupled to the pivot drive to allow the conversion of the switch element between the upper and the lower position.

To transport the tubular bag body continuously and with high reliability to the respective support surface of the Übergabeein ^¬ direction, it is advantageous if between the gate member and the upper support surface, a rising in the longitudinal ^¬ transport direction of upper conveyor surface and / or that between the gate member and the lower support surface, a lower delivery surface sloping down in the longitudinal transport direction. see is. Preferably, a substantially horizontal longitudinal ^¬ transport ^{plane is} provided, to which connect the conveying surfaces to the bearing surfaces of the transfer device. The switch element is preferably arranged in the transition region between the longitudinal transport plane and the conveying surfaces.

For this purpose, it is advantageous if the upper conveying surface and / or the lower conveying surface are arranged at an obtuse angle to the longitudinal transport plane of the longitudinal transport device. Thereby, the tubular bag bodies may depend at an angle from the position of the switch element are led upward to obe ^¬ ren support surface or obliquely downwards to the lower Auflageflä ^¬ surface of the transfer device. The longitudinal transport plane is preferably arranged in the vertical direction substantially in the middle between the upper bearing surface and the lower bearing surface of the transfer device.

To the division of the film sequence in the transition from the

Allowing longitudinal transport plane to the conveyor surfaces, is ge ^¬ Mäss a structurally simple disclosed embodiment, a wedge element to the formation of front portions of the upper and lower conveying surface between the gate member and the Übergabeein ^¬ direction is provided, wherein the wedge element is preferably lower in accordance with the between an upper position Position of the switch element and a lower position corresponding to a obe ^¬ ren position of the switch element displaced, in particular ver ^¬ swiveled. Preferably, therefore, the wedge element is arranged in the lower position when the switch element is arranged in the upper Stel ^¬ ment, and vice versa. Advantageously, the guide path to the upper or lower Auflageflä ^¬ che the transfer device is released so reliable. In this preferred embodiment may be in particular prevents the bag body ^¬ collide with the wedge tip of the wedge element. Before ^¬ Trains t, the switching element of the above-described guide ^¬ elements, with which the bag body alternie ^¬ rend be conveyed in the direction of the upper and lower support surface in particular, wherein the wedge element between the lower and upper position is changed.

The supply of the tubular bag body to the respective bearing surface of the transfer device is facilitated when a Upper conveyor drive, in particular with at least one conveyor ^¬ band, for transporting the tubular bag body on the upper conveying surface between the switch element and the upper support surface ^¬ and a lower conveyor drive, in particular with at least one further conveyor belt, for transporting the hose ^¬ shaped bag body is provided on the lower conveying surface between the switch element and the lower support surface of ^{Übergabeein ¬} direction.

According to a particularly preferred embodiment, the transfer ^{¬ device} for the upper and / or lower bearing surface each have a hold-down element, which is adjustable between a release ^{Stel ¬} ment and a clamping position. Due to the hold-down element for temporary clamping of the bag body on the upper or lower bearing surface can be reliably prevented that the bag body lifts off in the transition from the longitudinal transport device to the transfer device. By the hold-down element, the bag body is deposited in a controlled manner on the upper or lower support surface. Wei ^¬ ters unwanted opening of the tube section can be largely prevented by flowing air. Upon reaching the transfer or withdrawal position for the transverse transport, the hold-down element can be lifted by the sack body on the upper or lower bearing surface clamping position clamping in the bag body releasing release position.

In order to avoid an abrupt braking of the bag body when entering the transfer device, it is advantageous if the hold-down element has a movable in the longitudinal direction Nie ^¬ derhalteteil, which is preferably formed by a belt, in particular a circulating around two pulleys endless belt. Accordingly, the hold-down is movable together with the bag body in the longitudinal transport direction until the bag body reaches the withdrawal position, from which the transverse transport of the bag body is initiated. In this way, a sliding friction between the hold-down element and the bag body is preferably prevented when the bag body is guided into the withdrawal position on the upper or lower bearing surface.

Preferably, the hold-down element is connected to a lifting element, which is pivotable about a pivot shaft to to move the hold-down element between the release and the Klemmstel ^¬ ment. By pivoting the lifting element about the pivot shaft, the hold-down element is transferred from the lowered clamping to the raised release position and vice versa.

For lifting the hold-down element of the bag body before the initiation of the transverse transport, it is advantageous if the Hubele ^¬ ment has at least one lifting arm, which ment on a Lagerele ^¬ , in particular a cam, is superimposed, which is attached to a further pivot shaft. The cam has in most ^¬ ter manner on a non-circular or oval shape, to place the lifting arm, depending on the angular position of the cam in the lowered clamping or in the raised release position.

For the transfer of the hold-down element between the release and the clamping position, it is advantageous if a linear drive element, in particular an electrically, pneumatically or hydraulically actuated cylinder-piston drive, is connected via a reversing lever with the further pivot shaft. By Be ^¬ actuation of the linear drive element, the other Schwenkwel ^¬ le is pivoted about the attached lever. Causes pivotal movement of the other pivot shaft, as the up ^¬ seated cam raises the lift arm, whereby the hold-down device ^¬ teelement is lifted into the release position.

In order to couple the position of the hold-down member with the cross-Trans ^¬ port means, it is advantageous if the further pivotal shaft ver ^¬ connected via a pivoting lever with a pressure roller, which active between the sack body releasing inactive position and the bag body leading away in the transverse direction of transport position is pivotable. In this embodiment, the pressure roller for the transverse transport is arranged in the active position when the hold-down element is arranged in the release position and vice versa. Thus, the removal from the transfer device can be coordinated with the hold-down element.

In order to accomplish the transverse transport of the bag body, it is advantageous if the pressure roller is lowered in the active position on a drive roller, which is connected to a drive. Due to the frictional engagement between the pressure roller, the bag body and the drive roller, the bag body is transported away in transversely ^¬ port direction from the transfer device.

For the removal of the tubular bag body from the transfer device, it is advantageous if the upper support surface and the lower support surface of the transfer device are connected via an upper and a lower merge portion with a ge ^¬ common cross-transport plane of the transverse conveyor. Accordingly, the tubular bag body are guided by the bearing surfaces of the transfer device in the particular horizontal transport plane of the transverse conveyor. The tubular bag bodies are preferably guide portions of the upper and the lower support surface along the cooperation for common transverse transporting plane of the transverse transport means ^¬ conducted alternately. Preferably, further Förderan ^¬ gear, in particular with conveyor belts, provided for transporting the tubular bag body on the merge sections. The merge sections may be formed corresponding to the conveyor sections between the switch element and the transfer device. Preferably, a horizontal transverse plane of transport is provided which preferably coincides Wesentli ^¬ chen with the common longitudinal plane of transport.

Moreover, it is low in this embodiment, when the upper confluence portion and / or the lower collecting portion are respectively arranged at an obtuse angle to the transport plane of the transverse transport device ^¬. Accordingly, the upper merging section leads obliquely downwards, while the lower merging section leads obliquely upwards. The common plane of the transverse transport Quertransportein ^¬ direction is preferably disposed in the vertical direction substantially in the middle between the upper support surface and the lower support surface of the transfer device.

As usual with sack manufacturing plants, it is advantageous if a separating device is provided for separating the tubular sack bodies. With the aid of the separating device, a tubular material web can be divided into individual tubular, ie open end regions forming, bag bodies. The separating device is preferably arranged in the region of the longitudinal transport device. The material web and - after its separation - the tubular bag bodies are transported in the flat state, ie with the bag sections lying on top of each other, by the longitudinal transport device.

As separating means, a cross-cutting device is preferably provided for cutting through a tubular material web transversely to the longitudinal transport direction. Such cross-cutting devices are known per se in the prior art. For example, a rotating knife roller can be provided, with which the material web is cut transversely to the longitudinal direction of transport.

As is usual with bag making systems, preferably an opening device is provided for forming a bottom opening between bag sections at the open end area of the tubular bag body. The opening device is preferably arranged in the region of the transverse transport device. In this case, the arriving in the flat state bag body are opened in the bottom area before the bag bottom is formed in a, also known in the art, Bodenlegestation.

The inventive method is characterized in that the tubular bag body are supplied by switching a switch element of an upper support surface and a lower support ^¬ surface, of which the tubular bag body are transported away in the transverse transport direction substantially perpendicular to its longitudinal extension.

The advantages and technical effects of this method will become apparent from the foregoing to the transport device according to the invention.

Is particularly advantageous is an embodiment in which the hose-shaped bag body ^¬ are alternately supplied to the upper bearing surface and lower bearing surface. As a result, the throughput of the tubular bag body can be substantially increased by the transfer device.

The invention will be explained below with reference to a preferred Ausfüh ^¬ tion example, to which it should not be limited, however. In the drawing show

1 and 2 are schematic sectional views of an inventive Apparatus for transporting tubular bag bodies, which are initially transported in the direction of their longitudinal extension, then alternately fed to an upper support surface (see Fig. 1) or a lower support surface (cf., Fig. 2) and finally in the direction perpendicular to their Longitudinal extension be removed;

Fig. 3, 4 each schematically a perspective view of the apparatus of Figure 1, 2, wherein the tubular bag body of the upper support surface is fed.

5 is a perspective view of another erfindungsge ^¬ MAESSEN device in which an alternative embodiment of the transverse transport device is provided; and

6 and 7 each show a further view of the device according to FIG. 5.

In the figure, a device 1 for transporting tubular bag bodies 2 is shown. The device 1 comprises a longitudinal transport device 3, with which a tubular material web, in particular a fabric hose (not shown), in the flat state along a horizontal transport plane in the longitudinal transport direction 3 ', i. in the direction of her

Longitudinal extension, is transported. The material web forms a juxtaposition of bag bodies 2, which, as will be explained further below, are then separated. The longitudinal transport device 3 has a longitudinal drive, in particular in the form of tensioning or transport rollers, which are known in the prior art and therefore require no further explanation. In addition, the longitudinal transport device 3 is associated with a separating device 5, with which from the material web, the tubular bag body 2 are formed. In the embodiment shown, a transverse cutting device for cutting the tubular material web is provided transversely to the longitudinal transport direction 3 'as a separating device 5, which has an upper roller member 6 with a fair ^¬ Rdevice and a lower roller member 7 with a corresponding ^¬ the receiving opening. The roller elements 6, 7 are rotatably mounted in opposite directions, so that the Ma ^¬ material web for separating the bag body 2 is cut once in each revolution transverse to the longitudinal extent. To the Clamping of the material web in the cross-cutting device, a tension roller 4 is provided. The tubular bag body 2 consist of two superimposed bag sections, each bag section can be constructed of several layers of different material. The tubular bag body 2 are then transported in the flat state in the longitudinal transport direction 3 ', wherein the open end portions of the schlauchförmi ^¬ gen bag body 2 are arranged at the front and rear ends.

As can be seen from Fig. 3, 4, the device 1 also has a transverse transport device 8, with which the tubular bag body 2 in the transverse transport direction 8 ', i. substantially perpendicular to the longitudinal extent thereof, in order to be fed to a bottom opening device (not shown) for forming a bottom opening at the open end region of the tubular bag body 2. In addition, a transfer device 9 is provided for transferring the tubular bag body 2 from the (in Fig. 3, 4 only schematically apparent) longitudinal transport device 3 to the transverse conveyor 8.

As further seen from Fig. 3, 4, the transfer device 9 on an upper bearing surface 10 and a lower support ^¬ surface 11 for the tubular bag body 2. Advantageously, delays in transporting the tubular bag body through the transfer device 9 can thus be largely prevented. This allows a tubular bag body 2 already been put on the back a bearing surface 10, 11, currency ^¬ rend the leading end bag body 2, the other supporting surface has not yet left 11 and 10 respectively. In the embodiment shown, the upper 10 and the lower support surface 11 of the transfer ^{¬ device} 9 are arranged one above the other in horizontal planes. The bearing surfaces 10, 11 are provided on the upper sides of plate-shaped support elements. Of course, more than the two bearing surfaces 10, 11 may be provided.

In order to alternately supply the tubular bag bodies 2 to the upper support surface 10 and the lower support surface 11, there is provided a switch element 12 which is arranged between an upper position (see Fig. 1) and a lower position (see Fig. 2). is convertible. In the upper position of the switch element 12 shown in FIG. 1, the tubular bag body 2 of the upper support surface 10 and in the lower position of the switch element 12 of FIG. 2, the lower support surface 11 are supplied. According to FIGS. 1, 2, a plurality of bag bodies 2 are guided in succession to the upper 10 or lower bearing surface 11. Preferably, however, it is provided that the tubular bag body 2 alternately the upper 10 and the lower support surface 11 are supplied ^¬ leads. As a result, the number of processed bag body 2 can be significantly increased.

As seen from Fig. 1, 2, the switching element 12 is connected to ei ^¬ nem rotary actuator 13, with which the switch element 12 'extending about an axis extending in the longitudinal transport plane of the longitudinally conveying device 3, substantially port direction perpendicular to Längstrans- 3 pivot axis is pivotable. In the embodiment shown, the switch element 12 has an upper guide element 14 and a lower guide element 15. Zvi ^¬ rule the upper guide member 14 and the lower Führungsele ^¬ ment 15 is formed a guide slot 16 which allows passage of the tubular bag body 2 in the direction Längstransport- 3 '. The upper guide member 14 has at least an upper ^¬ finger element 14 '. Correspondingly, the lower guide element 15 has at least one lower finger element 15 '. Conveniently, a plurality of perpendicular to the longitudinal transport direction 3 'spaced upper finger elements 14' and several re ^¬ perpendicular to the longitudinal transport direction 3 'spaced lower finger elements 15' are provided, which together between the upper position shown in

Fig. 1 and the lower position shown in FIG. 2 are pivotable. For this purpose, the upper guide member 14 is mounted on an upper shaft member 17 and the lower guide member 15 on a lower shaft member 18, which parallel to the longitudinal transport plane of the longitudinal transport means 3 extending pivot axes for switching the switch element 12 have.

In the embodiment shown, the pivot axes of the upper 14 'and lower finger element 15' in the longitudinal transport direction 3 'seen at the front end portions of the upper and lower guide member 15 are arranged. Of course, the Pivot axes of the upper 14 'and lower finger elements 15' but also be arranged so that the bag body 2 in the longitudinal transport direction 3 'first on the free ends of the upper 14' and lower finger elements 15 'meet.

As is further apparent from FIGS. 1, 2, an upper conveying surface 19 rising in the longitudinal transport direction 3 'is provided between the switch element 12 and the upper bearing surface 10. Accordingly, between the switch element 12 and the lower support surface 11 in the longitudinal transport direction 3 'sloping lower conveying surface 20 is provided. The upper conveying surface 19 and the lower conveying surface 20 are each arranged at an obtuse angle to the longitudinal transport plane of the longitudinal transport device 3 ', which extends horizontally in the embodiment shown. For the formation of front portions of the upper 19 and lower conveying surface 20 between the gate member 12 and the over ^¬ display device 9 in the embodiment shown, a wedge member 21 is provided. For transporting the tubular bag body 2 on the upper conveyor surface 19 between the switch element 12 and the upper support surface 10, an upper conveyor drive 22 is provided, each having a conveyor belt 23 on both sides of the upper conveyor surface 19. In addition, an un ^¬ terer conveyor drive 24 for transporting the tubular bag body 2 on the lower conveying surface 20 between the switch element 12 and the lower support surface 11 of the transfer device 9 is provided. The lower conveyor drive 24 is formed according to the upper conveyor drive 22 with further conveyor belts 25 on both sides of the lower conveying surface 20. The on ^¬ bearing surfaces 10, 11 may be associated with appropriate funding to arrange the tubular bag body in a fully resting on the support surfaces 10, 11 deduction position.

By periodically switching the switch element 12, the tubular bag body 2 are alternately on the upper Aufla ^¬ gefläche 10 and split the lower support surface 11 of the Übergabeeinrich ^¬ tung. 9

In the embodiment shown, fabric hoses are transported which are not dimensionally stable due to the base material, for example polypyrrole fabric, and therefore only a small amount Have transverse stiffness. For this reason it is advantageous if the tube sections are guided over substantially all trans ^¬ port distance from the longitudinal transport device 3 in the cross-transport device 8 both from below and from above. Accordingly, unguided routes at the transfer points should be as short as possible.

When conveying the tube sections in the longitudinal transport direction 3 transversely to the cutting surface of the tube sections is due to the required, high transport speed, the risk of accidental opening by the incoming ambient air. Therefore, it is provided in the illustrated embodiment that the front end of the bag portion is securely held over the entire width in the closed state. This is done in the area of transfer to the upper conveying surface 19 and the lower Förderflä ^¬ che 20 by the upper finger elements 14 'and lower Finge ^¬ relements 15'. In the illustrated embodiment, end portions of the finger elements 14 ', 15' at the rising obe ^¬ ren conveying surface 19 and on the sloping lower conveying surface 20 are arranged. In this way, take over the upper Fingerele ^¬ elements 14 'and the lower finger elements 15' only so long as a guiding function, until the front end of the hose section reaches the upper conveying surface 19 or on the lower conveying surface twentieth Along the upper 19 and lower conveying surface 20, a gap-shaped guide channel is formed, with which the bag body 2 is guided on top and bottom. The division of the bag body 2 is realized by the interaction of the Führungsele ^¬ elements 14, 15 with the guide key 21 by the Füh ^¬ approximately wedge 21 defines a slot-shaped conveying channel and the Füh ^¬ guide elements 14, 15 a by brief actuation via the ge ^¬ entire width To guide in the direction of conveyance. In this way, the bag body 2 are reliably divided without congestion in the direction of the upper support surface 10 and the lower support surface 11.

As can be seen from FIGS. 3, 4, the upper support surface 10 and the lower support surface 11 of the transfer device 9 are connected via an upper merging section 26 and a lower merging section 27 to a common, horizontal transverse transport plane of the transverse transport device 8, which is connected to the (not opening device for training which leads to a bottom opening between bag sections at the open end region of the tubular bag body. The upper merging section 26 and the lower merging section 27 are formed corresponding to the upper conveying surface 19 and lower conveying surface 20 between the switch element 12 and the transfer ^device 9. Accordingly, the Zusammenführungsab- are sections 26, 27 are each disposed at an obtuse angle to the transverse Trans ^¬ port plane of the transverse transport means 8 to the tubular bag body 2 alternately from the upper support surface 10 obliquely downwards and from the lower contact surface 11 obliquely upward to the common transverse plane of transport the transverse transport device 8 to lead.

As shown in Fig. 3, 4 can be seen, 9 for each bearing surface 10, 11 (only schematically ersichtli ^¬ ches) driver element 28 in the form of cam rollers on the transfer device with which the tubular bag body 2 from the respective bearing surface 10, 11 in the associated Zusammenführungsab ^{¬ section} 26, 27 are taken. In addition, the transfer device 9 for each bearing surface 10, 11, a hold-down element 29, which is adjustable for temporary clamping of the tubular bag body 2 between a release position and a clamping position.

In Figs. 5 to 7, the device 1 with an alternative embodiment of the hold down member 29 for the top 10 or un ^¬ tere support surface 11 is shown. The hold-down elements 29 on the upper 10 and lower support surface 11 are formed substantially identically, so that the explanations relate equally to both Nie ^¬ derhalteelemente 29. In the embodiment according to FIGS. 5 to 7, the hold-down element 29 has a hold-down part 30 which is movable in the longitudinal direction 3 'and which in the embodiment shown is formed by an endless belt 32 running around two guide rollers 31. The endless belt 32 is entrained by the incoming bag body 2, while the endless belt 32 is arranged in the clamping position. As in the previous embodiment, the hold-down element 29 is adjustable for temporarily pressing the bag body 2 against the upper support surface 10 or against the lower support surface 11 between a release position (compare FIGS. 5, 6 and a clamping position (not shown) This purpose is the hold-down element 29 connected to a lifting element 33 which is pivotable about a pivot shaft 34 to the hold-down element 29 between the release ^¬ and the clamping position up and down to bewe ^¬ gene. In the embodiment shown, the lifting element 33 has two lifting arms 35, which rotatably connected to the pivot shaft 34 ^¬ are the. The free ends of the lift arms 35 are supported on cams 36, which are attached to a further pivot shaft 37. For actuating the hold-down member 29 a line ^¬ arantriebselement 38 is provided, which is formed in the shown exporting ^¬ tion by a particular pneumatically or hydraulically operable cylinder-piston drive. The Linearan ^¬ drive element 38 is connected via a lever 39 with the other pivot shaft 37. In the extended state of the line ^¬ arantriebselements 38, the hold down member 29 via the No ^¬ CKEN 36 and the lifting arms 35 is arranged in the raised release position, in which the bag body 2 from the upper 10 and lower support surface 11 can be transported away in the transverse direction of transport.

As can be seen from FIGS. 5, 6, the further pivot shaft 37 is connected via a pivoting lever 40 to a passive or non-driving pressure roller 41, which between an inactive position for positioning the bag body 2 on the upper 10 and lower support surface 11 and a active position for removal of the bag body 2 in the upper 26 and lower merge portion 27 is adjustable. In the ge ^¬ shows active position, the pressure roller 41 is lowered to a drive roller 43, which is connected to a drive 42.

Accordingly, the transfer of the bag body 2 from the longitudinal transport device 3 into the transverse transport device 8 by means of the transfer device 9 can be accomplished as follows.

The tubular bag bodies 2 are tung in Längstransportrich- 3 'to the upper 10 and lower support surface 11 of the over ^¬ display device 9 supported, wherein the linear drive element 38 is disposed in the retracted state, on the one hand the Never ^¬ derhalteelement 29 in the form of the endless belt 32 in the lowered ^¬ clamping position and on the other hand, the pressure roller 41 in the lifted from the drive roller 43 inactive position to arrange NEN. The bag body 3 is then stopped at a defined position, which is preferably associated with a light barrier (not shown).

To initiate the removal of the bag body 2 in the transverse direction of transport, the linear drive element is transferred to the ausgefah ^¬ renen state 38 to 37 to pivot ver the further pivot shaft ^¬. The pivoting movement of the further pivot shaft 37 is transmitted on the one hand via the pivot lever 41 on the pressure roller 41, so that the bag body 2 is clamped between the pressure roller 41 and the drive roller 43. On the other hand be ^¬ effect the pivoting of the further pivoting shaft 37, that the lifting arms 35 are pushed over the cam 36 upward, whereby the hold down member 29 is lifted from the bag body. 2 This has the consequence that the bag body 2 is conveyed between the pressure roller 41 and the drive roller 43 into the upper 26 or lower assembly guide section 27.

Claims

Claims:

1. Device (1) for the transport of tubular bag bodies (2), with a longitudinal transport device (3), with which the tubular bag body (2) substantially in the direction

(3 ') of their longitudinal extent are transportable, with a transverse transport device (8), with which the tubular bag body (2) are transported substantially perpendicular to the longitudinal extent, and with a transfer device

(9) for transferring the tubular bag body (2) from the longitudinal transport device (3) to the transverse transport device

(8), wherein the transfer device (9) has a support surface for

Bearing of the tubular bag body (2), characterized in that the transfer device (9) has at least one upper support surface (10) and a lower support surface (11) for the tubular bag body (2), one between an upper position and a lower Position switchable switch element (12) is provided, wherein the tubular bag body (2) in the upper position of the switch element (12) of the upper support surface (10) and in the lower position of the switch element (12) of the lower support surface (11) can be fed.

2. Device (1) according to claim 1, characterized in that the upper (10) and the lower support surface (11) of the transfer ^¬ device (9) are arranged one above the other.

3. Device (1) according to claim 1 or 2, characterized in that the switch element (12) for alternately supplying the tubular bag body (2) to the upper (10) and the lower support surface (11) of the transfer device (9) ^{ausgebil ¬} it is.

4. Device according to one of claims 1 to 3, characterized in that the switch element (12) is connected to a pivot drive (13) for pivoting the switch element (12) between the upper position and the lower position.

5. Device (1) according to claim 4, characterized in that the pivot drive (13) for pivoting the switch element (12) to at least one parallel to the transport plane of the longitudinal ^¬ transport device (8) extending, substantially perpendicular to the longitudinal transport direction (3 ') extending pivot axis is pivotable.

6. Device (1) according to one of claims 1 to 5, characterized in that the switch element (12) has an upper guide ^¬ element (14) and a lower guide element (15), where ^¬ between between the upper guide element (14) and a guide gap (16) for the passage of the tubular bag body (2) is formed in the lower guide element (15).

7. Device (1) according to claim 6, characterized in that the upper guide element (14) at least one upper Fingerele ^¬ ment (14 ') _/ preferably a plurality of perpendicular to the Längstransport ^¬ direction (3') spaced upper finger elements (14 ') and / or the lower guide member (15) at least one lower Fingerele ^¬ element (15 '), preferably several perpendicular to the longitudinal transport direction ^¬ (3') spaced lower finger members (15 '), has ^¬.

8. Device (1) according to claim 6 or 7, characterized in that the upper guide member (14), in particular the obe ^¬ ren finger elements (14 ') on an upper shaft member (17) and / or the lower guide member (15) , in particular the unte ^¬ ren finger elements (15 ') are mounted on a lower shaft member (18).

9. Device (1) according to one of claims 1 to 8, characterized in that between the switch element (12) and the upper bearing surface ^¬ (10) in a longitudinal transport direction (3 ') rising upper conveying surface (19) and / or between the switch element (12) and the lower support surface (11) in the longitudinal transport direction (3 ') sloping lower conveying surface (20) is provided.

10. Device (1) according to claim 9, characterized in that the upper conveying surface (19) and / or the lower Förderflä ^¬ che (20) are arranged at an obtuse angle to the longitudinal transport plane of the longitudinal transport device (3).

11. Device (1) according to claim 9 or 10, characterized in that a wedge element (21) for forming front portions of the upper (19) and lower conveying surface (20) between the switch element (12) and the transfer device (9). is provided, wherein the wedge member (21) is preferably displaceable between an upper position corresponding to the lower position of the switch element (12) and a lower position corresponding to an upper position of the switch element (12), in particular pivotable.

12. Device (1) according to one of claims 9 to 11, characterized in that an upper conveyor drive (22), in particular with at least one conveyor belt (23), for transporting the ^tube-¬ shaped bag body (2) (on the upper conveying surface 19 ) between the switch element (12) and the upper support surface (10) and / or a lower conveyor drive (24), in particular with at least one further conveyor belt (25) for transporting the tubular bag body (2) on the lower conveyor surface (20) between the switch element (12) and the lower support surface (11) of the transfer device (9) is provided.

13. Device (1) according to one of claims 1 to 12, characterized in that the transfer device (9) for the upper (10) and / or lower support surface (11) each have a Niederhal ^¬ teelement (29), which between a Release position and a clamping position is adjustable.

14. Device (1) according to claim 13, characterized in that the hold-down element (29) has a longitudinal transport direction (3 ') movable hold-down part (30), which preference ^¬ by a belt, in particular one to two Umlenkrol ^¬ len (31st ) circumferential endless belt (32) is formed.

15. Device (1) according to claim 13 or 14, characterized in that the hold-down element (29) with a lifting element (33) is connected, which ver ^¬ pivotable about a pivot shaft (34) to the hold-down element (29) between the Release and the clamping position to move.

16. Device (1) according to claim 15, characterized in that the lifting element (33) has at least one lifting arm (35) which is mounted on a bearing element, in particular a cam (36) on ^¬ , which on a further pivot shaft ( 37) is integrally ^¬ introduced.

17. Device (1) according to claim 16, characterized in that a linear drive element (38), in particular a electrically, pneumatically or hydraulically actuated cylinder-piston drive, via a reversing lever (39) with the further pivot shaft (37) is connected.

18. Device (1) according to claim 16 or 17, characterized in that the further pivot shaft (37) via a pivot ^¬ lever (40) with a pressure roller (41) is connected, which between the bag body (2) releasing inactive position and one of the bag body (2) in the transverse transport direction (8 ') leading away active position is pivotable.

19. Device (1) according to claim 18, characterized in that the pressure roller (41) is lowered in the active position on a drive roller (43) which is connected to a drive (42).

20. Device (1) according to one of claims 1 to 19, characterized in that the upper bearing surface (10) and the lower bearing surface (11) of the transfer device (9) via an upper

(26) and a lower merge section (27) are connected to a common transverse transport plane of the transverse transport device (8), the upper merge section (26) and / or the lower merge section (27) preferably each at an obtuse angle to the transport plane of the transverse transport ^device (8) are arranged.

21. Device (1) according to one of claims 1 to 20, characterized in that a separating device (5) for separating the tubular bag body (2) is provided, wherein as a separating device (5) preferably a cross-cutting device for cutting a tubular material web transversely to Longitudinal transport direction (3 ') is provided.

22. Device (1) according to one of claims 1 to 21, characterized in that an opening device for forming a bottom opening between bag sections at the open end region of the tubular bag body (2) is provided.

23. A method for transporting tubular bag bodies (2), wherein the tubular bag body (2) initially transported substantially in the direction of its longitudinal extent and fed to a support surface, wherein the tubular Sack body (2) are transported substantially perpendicular to the longitudinal extent of the support surface, characterized ge ^¬ indicates that the tubular bag body (2) by switching a switch element (12) an upper support surface (10) and a lower support surface (11) are supplied of which the tubular bag bodies (2) in the transverse transport direction (8 ') are transported away substantially perpendicular to their Längserstre ^¬ ckung.

24. The method according to claim 23, characterized in that the tubular bag body (2) alternately the upper support surface (10) and the lower support surface (11) are supplied.