WO2009049898A2

WO2009049898A2 - Device, comprising at least one supporting module carrying notch strips and cutting wire holders, for separating a plastic strand that can be moved in the longitudinal direction of a conveyor passage

Info

Publication number: WO2009049898A2
Application number: PCT/EP2008/008813
Authority: WO
Inventors: Reiner Koch
Original assignee: Hans Lingl Anlagenbau Und Verfahrenstechnik Gmbh & Co. Kg
Priority date: 2007-10-17
Filing date: 2008-10-17
Publication date: 2009-04-23
Also published as: ATE516122T1; WO2009049898A3; DE102007049791A1; CN101939147A; EP2200789A2; EP2200789B1

Abstract

The invention relates to a device for separating a strand (3) of plastic material into longitudinal sections. Said device comprises a frame in which the strand (3) can be longitudinally conveyed on a conveyor, a notching device (5) which has a notching strip (6), arranged on at least one side of the passage (2) and in a transverse plane (E1), and a cutting device (4) for cutting the strand (3) in the notch (5a), said cutting device having two cutting wire holders (24a, 24b) for a cutting wire (4a). The notching strip (6) is defined by a rear and a front chamfering strip (15), extending in parallel in the peripheral direction of the passage (3) and being interspaced from each other at a distance (a) that is oriented in the longitudinal direction of the passage (3). The wire holders (24a) are arranged and adapted to move the cutting wire (4a) between the chamfering strips (15) at a right angle to the passage (3). In order to improve the quality of the cut, the chamfering strips (15) defining a notching strip (6) are arranged between a rear and a front supporting frame (9a), the supporting frames (9a) extending at a right angle to the passage (2) and defining a supporting module (9), and the rear chamfering strips (15) being received on the front of the rear supporting frame (9a) and the front chamfering strips (15) on the rear of the front supporting frame (9a).

Description

Device for separating a plastic strand movable along a conveyor passage, with a carrier module carrying at least one notching bar and cutting wire holder

The invention relates to a device according to the preamble of claim 1 or 4 or 6.

A device according to the preamble of claim 1 is described in WO 2006/119929 A2. In this prior art device, the notching device on four notching strips, which are arranged in a transverse plane of the passage and each movable by a separate drive between a rectangular cross section of the passage releasing starting position and a dipping into the strand notch position. The notching strips and the drives are each arranged on a transversely extending to the passage frame-shaped support, with which they form a support module.

The device is provided with a cutting device for cutting the strand into the notches produced by the notching strips. The notching strips may be so-called undivided or split notching strips. Undivided notching strips have a wedge-shaped cross-sectional shape. Divided notching ledges are each formed by two chamfering ledges extending side by side in the circumferential direction of the conveying passage and spaced apart from each other in the longitudinal direction of the conveying passage, the cutting means comprising a cutting wire extending between the chamfering bars across the conveying passage or through the conveying passage Notched ridges when notched limited cross-section is movable. In the presence of undivided notching strips cutting longitudinally offset after notching takes place in a particular cutting plane. In the presence of split notching strips, cutting takes place immediately after notching in a common notching and cutting plane. In this case, several notching devices with associated cutting devices along the passage can be arranged one behind the other and be actuated substantially simultaneously, wherein the Anfasleisten each by a A pair of piston cylinders are movable, which are respectively held on the rear side of a frame-shaped carrier. In this case, the chamfer strips extend as far as in the longitudinal direction of the passage through the through hole in associated frame-shaped carrier to the front side, so that the gap between two belonging Anfasleisten is located between two support frame. The associated cutting device is arranged so that the cutting wire between these support frame in the gap between the Anfasleisten is movable across the passage.

A device according to the preamble of claim 4 is described in DE 36 36 375 Cl. This is a trimming device for plastic strands, wherein a scoring device is not disclosed. In this prior art device, the cutting device has two cutting wire holders for the cutting wire, of which one cutting wire holder is stationarily mounted on the frame of the apparatus and the other cutting wire holder is arranged in a cutting guide arranged on the frame and extending in a circumferential direction of the passage the top is movable to the bottom of the passage. In this case, the movable cutting wire holder is movable in a ring guide surrounding the passage, and the stationary cutting wire holder is laterally offset outside this ring guide, so that the cutting wire performs reciprocating movements in a vertical angle range in which the passage extends. A notching device is not provided in this known cutting device. It is therefore to be expected that arise both at the entrance, and in particular at the exit of the cutting wire from the plastic material material spoilage, which affects the dimensional accuracy of the cut longitudinal sections or blanks.

The invention has for its object to improve in a device according to the preamble of claim 1 or 4, the quality of cut and the construction of the carrier module.

This object is solved by the features of claim 1 or 4. In the embodiment according to the invention according to claim 1, each forming a score strip Anfasleisten between a rear and a front support frame are arranged, wherein the support frame extending transversely to the passage and form a carrier module, and wherein the rear chamfers on the front of the rear support frame and the front Chamfer strips are arranged and mounted on the rear side of the front support frame. As a result, not only the carrier module is stabilized by the two support frame, but it can also be the notches occurring in guiding and holding forces are deposited on two support frame or on each associated support frame, which allows easy guidance and also leads to lower management forces and less wear ,

In the embodiment according to the invention according to claim 4, a notching device for transversely directed notches of the strand is provided with arranged on all sides of the passage notching strips which are movable by a notch drive in a common transverse plane between a release position and a notched position, wherein the notched ledges and the Schneidenrahthalter are mounted on a common carrier module. In this embodiment of the invention, the cutting takes place in the notches, wherein optionally occurring material ejections are in the region of the notched chamfers on the edges of the strand sections and therefore harmless or less disturbing. In addition, the cutting can be done in the notch position of Anfasleisten, in which the notch strips stabilize the edge region of the strand sections and contribute to a better cut and to avoid disturbing Materialaufwerfungen. Another advantage of this embodiment is that the notches and the cutting takes place in a common transverse plane, so that the construction of the device can be made shorter and that notches and cutting can not be done in two longitudinally offset processing steps, but immediately one after the other in quasi one processing step ,

Of the parts of the device, the notching device and the cutting device are particularly susceptible to wear and maintenance due to the movements to be performed by the notching strips and the cutting wire holders. It therefore also requires frequent control of these devices. Furthermore, it is also often necessary to Exchange of notch strips and / or wire holder, z. B. to adapt these parts to different sized cross-sectional dimensions of the strand.

The invention is therefore based on the object, in a device according to the preamble of claim 6, to improve the accessibility to the carrier module or the notching device and / or the cutting device.

This object is solved by the features of independent claim 6. Advantageous developments of the invention are described in the appended subclaims.

In the embodiment according to the invention according to claim 6, the device has a receiving device with a receiving compartment for the carrier module, wherein the receiving compartment extends transversely to the passage and the carrier module can be inserted by a transversely directed movement in the receiving compartment. As a result, the mounting and dismounting of the carrier module is greatly simplified, because the receiving compartment is an assembly or disassembly device, so that the carrier module can be mounted and dismantled handling friendly and with little installation effort or disassembly effort. It is also an advantageous feature of the invention that the assembly or disassembly effort for components cooperating with the carrier module is low for assembly or disassembly of the carrier module. In particular, when the receiving compartment extends approximately horizontally, it requires a fixing device for the carrier module in Einschubend- area of the receiving compartment to fix the carrier module against unintentional Ausschubbewegung. In the case of the presence of such a fixing device, it only requires fixing during insertion and release of the fixation when pushing out the support module.

It is therefore advantageous to form the fixing device by a releasable latching device, which preferably engages automatically during insertion.

A structurally simple and stable construction for a receiving device is achieved when it is formed by front and rear, in particular wall-shaped, end parts and a bottom part box-shaped. Such a construction In a special way, it is also suitable to support the drive for the notching device and / or cutting device on at least one of the end parts, wherein they can be arranged between the end parts, where they are arranged protected, without being significantly dependent on the receiving device or its receiving body.

In the embodiments according to the invention, in order to increase the work capacity, it is advantageous to provide two or more support modules with notching and / or cutting devices arranged one after the other in the longitudinal direction of the passage, each of which can be moved substantially simultaneously for notching or chamfering and cutting. In this refinement, a plurality of longitudinal sections can thus be notched and cut substantially simultaneously.

Both embodiments of the invention are suitable for a cutting device in which one cutting wire holder is movable in the circumferential direction of the passage and the other cutting wire holder is stationary, preferably on one of the two support frame, which can be extended laterally for storage of this stationary cutting wire holder, so that stationary cutting wire holder can be arranged outside a ring guide for the movable cutting wire holder.

For both embodiments of the invention, it is also very advantageous for a square or square cross-sectional shape to have a notched bar in the facing end face having a recess into which the notch bar encloses a notched bar closing. Such Kerbleistenausgestaltung allows movement of the notch strips in constant contact with contact in the corner areas, so that when notching material of the strand can get in the corner areas between the notch strips.

A further advantageous embodiment of the invention is to move the notching strips each with a drive element that is drivingly connected to a base element of a transmission that directed in a circumferential direction of the passage movement of the base member in a transverse movement of the converted to the corresponding score bar. This embodiment allows a simple and small construction for the transmission, wherein a connecting rod is very well suited as a transmission element, which converts the directed in the circumferential direction movement of the base member in the transverse movement of the notch strip. The arrangement of a connecting rod further allows a degressive notch speed when notching, which has a favorable effect on the increasing displacement of the material to be notched during notches. In addition, with a connecting rod can generate a notch progressive notch force.

Further developments of the invention allow simple and small detail constructions of the device, which also ensure a simplified assembly and disassembly and a cost-effective production.

Below, advantageous embodiments of the invention will be explained in more detail with reference to several embodiments and drawings.

It shows

1 shows a notching device according to the invention in a simplified rear view of an inventive device for separating a strand of plastic material in longitudinal sections, wherein the notching device is in the initial positions of their notching strips;

2 shows the notching device in a perspective view, the notching strips being in their notched positions;

FIG. 2a shows a notching device according to the invention in the view according to FIG. 2, but in a modified embodiment; FIG.

3 shows a set of inventive and located in the notch position notching in an enlarged rear view; 4 shows a set of inventive and located in the notch position notching in an enlarged rear view and in a modified embodiment.

5 shows a notching device according to the invention in a perspective rear view and in a modified embodiment;

Fig. 6 shows the vertical longitudinal section VI-VI in Fig. 5;

7 shows a block-shaped receiving device with a plurality of carrier modules arranged one after the other along the passage, each with a notching device and cutting device in side view;

8 shows a modified receiving device in the rear view;

9 shows the receiving device in perspective rear and side view obliquely from above.

10 shows the receiving device in perspective front and side view obliquely from above.

11 shows a partially disassembled carrier module of the receiving device in a perspective rear view obliquely from above;

FIG. 12 shows the vertical longitudinal section XII-XII in FIG. 8; FIG.

13 shows the receiving device with embodiments for lateral boundaries of receiving compartments for carrier modules in a perspective side view from the right and from behind;

FIG. 14 shows the receiving device according to FIG. 13 in the side view from the right and the front, the receiving device being equipped with only a first carrier module; FIG. 15 shows the receiving device with modified boundaries for Aufhahme- fold in the side view from the right and from vome and without carrier modules.

FIG. 16 shows the receiving device according to FIG. 15, the receiving device being equipped with a first carrier module; FIG.

Fig. 17 the partial section XVII-XVII in Fig. 16, wherein the receiving device is fully equipped with carrier modules.

The designated in its entirety by 1 device consists of several component units, with z. B. a standing on the ground frame G (only indicated in Fig. 1), in which a extending in the longitudinal direction of the free conveying passage 2 is arranged for the strand 3. For severing the strand 3 in strand longitudinal sections 3a, at least one cutting device 4 is provided with a transverse to the

Passage 2 extending cutting wire 4a is provided, the strand 3 is provided before cutting on all sides with preferably arranged in a common transverse plane notches 5a, which extend transversely, and in which the plastic material of the strand 3 is cut transversely. Due to the cutting in the notches 5a, a cutting burr is avoided or reduced, in particular, in each case a cutting burr protruding beyond the outer surfaces of the strand sections 3a is avoided. Depending on the requirements of the edge properties of the strand longitudinal sections 3 a which can be produced by cutting with the device 1, it may be sufficient to arrange a notched bar 6 on one side or two notching strips 6 on two mutually opposite sides of the passage 2, with which in a common Transversely disposed notches 5 a on two opposite sides of the strand 3 can be pressed, wherein the pressure forces arising during notches substantially cancel due to the opposing arrangement. But it may also be sufficient to arrange for a three-sided notches three notching strips 6 in the common transverse plane surrounding the strand 3 or passage 2 in the region of two adjacent corners. The third notching strip 6 extending between these two opposing notching strips 6 is preferably an upper notching strip 6c. In such an arrangement without an underside notching strip 6a, the strand 3 and the longitudinal sections 3a are only laterally and notched on the upper side. For demanding longitudinal sections 3a, the device 1 on all four sides notching strips 6 for pressing a circumferential notch 5a.

The cutting wire 4a is held under a tension of the cutting wire 4a by two cutting means 24a, 24b spaced transversely from each other and disposed on the passage 2, the cutting wire holders 24a, 24b being transversely extended from one to the other side of the passage 2 by a cutter shown only in FIG 8 and the following illustrated cutting drive 26 are movable.

In all embodiments, identical or comparable parts are designated by the same reference numerals.

To convey the strand 3 from the back to the front through the device 1 in the passage 2 is a strand 3 preferably continuously advancing conveyor Ia (Fig. 6), with a plurality of successively arranged in the passage direction 2a conveyor sections, z. B. depending on a conveyor belt or support sections, may be formed. The strand 3 can pass from an extruder on or into the conveyor Ia.

The notching and cutting preferably takes place during the passage of the strand 3. For this purpose, a slide S known per se may be arranged, which has at least one support module 9 with a notching device 5 and a longitudinally offset cutting device 4 (in FIGS not shown) or a carrier module 9 with at least one notching device 5 and a longitudinally offset to the rear carrier module 9 with at least one cutting device 4 (in Fig. 6 exemplified) carries along the passage direction 2a back and forth and when notching and cutting is moved with the Vorbewegungsgeschwindigkeit of the strand 3 before and then moved back to its original position, from which a next notching and cutting process can take place. During the advancement of the at least one carrier module 9 with the notching device 5 and the cutting device 4, the cutting wire 4a for cutting can always be moved from one side of the passage 2 to the other side and moved back after a spread of the separate longitudinal section 3a in a no-load stroke , which is referred to as unilateral or monodirectional cutting (on known). However, it is also a reciprocal or bidirectional cutting possible in which the cutting wire 4a during a forward movement from one side to the other side and after a return movement and in the next forward movement without the above spread back to one side is moved (also per se known).

The slider S may be a plate-shaped carrier, and it is mounted with guide bushes 10a arranged on it along guide passageways 10b extending along the passage 2 and displaceable back and forth by a longitudinal drive 10c. The guide rods 10b are mounted on the frame G by means of bearing blocks 10d. To move the slider S in the z. B. thus formed and designated 10 longitudinal guide, the longitudinal drive 10c may have a suitable displacement motor.

The device 1 is in principle operable with only one notching device 5 and only one indicated in Fig. 6 cutting device 4, each of which may be arranged and supported on a support module 9, which extends transversely to the passage 2 from one side to the other side, and preferably is formed frame-shaped. In this case, these support modules 9 may be formed as a plate-shaped frame 9a and arranged edgewise, have a cross-sectional size of the passage 2 approximately corresponding through hole 11 and be offset by the length L1 of the strand longitudinal section 3a in the longitudinal direction 2a. The cutting device 4 is arranged offset with respect to the notching device 5 in the passage direction 2a by the distance.

To fix the or the at least two carrier modules 9 on the slider S is a simplified in Fig. 1 illustrated connecting device 12, with which the carrier module 9 preferably by a transverse mounting movement, for. B. from above (not shown) or from one of the two horizontal sides (shown) on the carriage S mountable and disassembled again for disassembly, in each case the carrier module 9 with the notching device 5 and the cutting device 4 with a preassemblable modular unit 32nd can form, which can be mounted and disassembled either in the device 1. In the drawing figures, the connecting device 12 is connected by a quick connection, z. B. by a connector 13, with a side to a side or upwardly open jack or plug recess formed, in which the carrier module 9 is inserted from the respective side and secured by a releasable securing element. The connecting device 12 will be described in more detail below.

To increase the performance and efficient production of the longitudinal sections 3a, it is advantageous, as shown in FIG. 7, several such carrier modules 9 in the passage direction 2a in z. B. equal distances c, to be arranged one behind the other, so that the strand 3 can be slotted and cut in several successively arranged levels. Preferably, the movement control of the notching devices 5 and the cutting devices 4 is arranged so that all the notching devices 5 and all the cutting wires 4a are moved simultaneously. Since the carrier modules 9 are formed essentially the same, only one carrier module 9 needs to be described.

As can be seen in particular from FIG. 2, the carrier module 9 is formed by a plate-shaped frame 9a, whose two horizontal and vertical frame sections delimit the quadrangular through-hole 11. The passage 2 is located in the through hole 1 1, the latter being measured larger in cross section than the largest strand cross section.

The notching device 5 has notches 6 on all peripheral sides, z. B. four notching strips 6 and 6a, 6b, 6c, 6d, which extend on all four sides of the passage 2 across the entire respective side of the passage 2 in a common transverse plane El (Fig. 6) perpendicular to the central axis 2b the passage 2 is. The notching strips 6 are each adjustable transversely to the passage 2 by a push and pull drive 7 illustrated in FIG. 1 to 4 as a double arrow. The push and pull drives 7 can each z. B. be formed by a spindle drive or by a hydraulic cylinder with an extendable and retractable push and pull rod. In this case, the notching strips 6 each consist of a release position in which a notch 6e located on its inner edge is at a distance from the strand 3 or at a relevant cross-sectional dimension of the passage 2 (FIG. 1), in the direction of the passage 2 into a recess Notch position displaceable, in which the notch 6e to one predetermined notch depth t is pressed into the strand 3. The notched ridges 6e each have the desired, preferably wedge-shaped, notch contour or the desired, in particular wedge-shaped, notch angle.

As already mentioned, the notching device 5 in the context of the invention can have fewer than four notching strips 6e, with no notching strip 6 being present on one or more corresponding sides. Fig. 2a shows an example of a notching device with three notching strips 6b, 6c, 6d, which are formed by two lateral and one upper notching strip. At the bottom of the passage 2 no notch strip is present. In such an embodiment, the ends of the existing

Notching strips 6, which face the unoccupied side, formed so long that they at least cover the associated side of the strand 3, wherein these free ends of the notching strips 6, which can project beyond them to the transversely extending side of the strand 3. In the embodiment according to FIG. 2 a, in which the lower notching strip 6 a is missing, the notching strips 6 b, 6 d extend at least up to the upper side of support sections 57 on which the strand 3 rests and is conveyed through the passage 2. Preferably, the notched strips 6b, 6d project beyond the upper side of the support sections 57 and thus also the strand 3 downwards.

In the context of the invention, the guiding and supporting elements 8a, 8b, 8c for a missing notching strip 6a may or may not be arranged on the associated carrier 9a. In the former case, the notched bar 6a is optionally mountable and removable.

Since the notching strips 6 are of the same design and with respect to the passage 2 are arranged the same and are simultaneously displaceable by the associated push and pull drive 7, a description of the remaining notching strips 6 can be omitted in detail for the sake of simplicity.

The strand 3 can always have the same cross-sectional dimension or different cross-sectional dimensions, wherein the cross-sectional shape of the strand 3 is preferably rectangular or square. However, other cross-sectional shapes are also possible within the scope of the invention. It is also desirable in many applications to have a rectangular or square cross-sectional shape with rounded corners for the strand 3. In such an embodiment, the notched ridges 6e are in Rounded corner region preferably also rounded accordingly, which will be described with reference to FIG. 4.

For transverse movement guidance of the notched strips 6a to 6d, a guide device 8 is provided in each case, which includes an acute angle Wl with the vertical or horizontal, which is preferably about 30 ° to 60 °, in particular about 45 °. In this case, the guide devices 8-viewed in the longitudinal direction of the conveyor passage 3 -are arranged obliquely in the same circumferential direction, so that the guide directions of the respectively opposite guide devices 8 are directed parallel to one another or are aligned with one another. The guide devices 8 with the notching strips 6 are mounted on the frame 9a, which is preferably disc-shaped, in order to achieve a relatively small or short dimension in the longitudinal direction. In a disk-shaped frame 9a, the notching devices 5 are thus arranged at one of its broad sides, z. B. at the rear or to the extruder directed broadside. The transverse shape of the frame 9a may preferably also be rectangular or square.

The guide device 8 is formed in the present exemplary embodiments by at least one, in particular plate-shaped, guide slide 8a, which is mounted on the frame 9a on the wide side and is connected to the center line 2b facing inner edge with the associated notched strip 6 and carries them.

The slider 8a may extend vertically with respect to the upper and lower score bars 6a, 6c and horizontally with respect to the lateral score bars 6b, 6d in a vertical and horizontal guide direction, respectively. In an oblique motion guide, the slider 8a extends obliquely thereto.

The particular straight extending guide is formed between the slide 8a and the frame 9a and effective. In the exemplary embodiment, the guide is formed by guiding elements disposed between the slider 8a and the frame 9a on both sides of the longitudinal axis of the respective slider 8a and engaged with each other. Such a pair of guides or two guide pairs (shown) arranged parallel to one another, can or can each be characterized by at least a guide pin 8b on the one guide part, for. B. on the frame 9 a, formed, which extends into an associated guide groove 8 c in the other guide part. The guide pins 8b may be formed by cross-sectionally preferably round guide pins, wherein on the longer side of the slide axis, an elongate guide pin or two spaced from each other

Guide pin 8b may be present. However, other guide elements or guides may be provided, e.g. Recirculating ball bearings.

The illustrated in Fig. 1 and 2 by double arrows thrust and traction drives 7 may be supported on the frame 9a, and they engage the associated slide 8a, in particular in its associated notched bar 6 end portion facing away.

In the present embodiments, all four notching strips 6 are adapted with respect to their transversely to the passage 2 extending length to the transverse dimensions of the strand 3 that they press in their notch positions a circumferential notch 5a in the strand 3, as shown in FIG. Fig. 1 shows the notching strips 6 in their retracted and the strand 3 releasing release position in which the notched ridges 6e are each arranged in an outwardly directed distance from the strand 3 and of a corresponding transverse dimension of the passage 2.

3, the notched ledges 6a to 6d are formed so long in the respective corner region of the square notched bar set that they respectively overlap the adjacent notched bar bar extending at least in the region of the notch leg 6e of the adjacent notched bar, wherein the adjacent notched strip has a recess 6f extending in the common notch strip plane on its end face facing one notched bar whose cross-sectional shape corresponds to and matches the cross-sectional shape of the notch leg 6e, such that the surfaces of the notch leg 6e and the cutout 6f abut one another ,

Preferably, the one notched bar overlaps the adjacent notched bar approximately completely, the recess 6f extending over the entire transverse dimension of the adjacent notched bar. This overlapping notching bar arrangement in the corner areas of the notch bar set is identical in all corners, but the overlap is arranged rotated from corner area to corner area in the circumferential direction by 90 °. That is, the overlapping direction with which one score bar overlaps the adjacent score line is directed in the same circumferential direction in all corner areas.

This embodiment of the notched bars 6 or the notched bar set allows a transverse movement of the notched bars 6 around the notch stroke, the z. B. the dimensions of the clearance distance in Fig. 1 plus the notch depth t includes, with an equal and simultaneous movement of the notched strips 6, the system of notches in the corner area is maintained, so that no notch material between notches 6 can reach the notches. In this preferably planar system, the relevant notch 6e fills the recess 6f. In this case, the flank surfaces 6g of the overlapped notch 6e run out on the flank surfaces 6g of the overlapping notch 6e. In a limited by the notching strips 6 rectangular cross-sectional shape of the outlet of the flank surfaces 6g of the overlapped notch 6e in Fig. 1 as an oblique edge 6h visible. This is not a miter, but a resulting outlet of the flank surface 6g of the overlapped notch 6e.

If a rectangular cross-sectional shape for the strand 3 is to be realized with rounded corners, as shown as an exemplary embodiment in Fig. 4, the overlapping facing end portions of the notched ridges 6e of the overlapped notched strips are curved in the direction opposite to the overlapping direction, wherein the Form rounding of the corner and offset in the direction opposite to the direction of overlap, expire at the flank surfaces 6g of the overlapping notching strip 6e. This outlet is visible in FIG. 4 at horizontally or vertically extending outlet edges 6i, which enclose an angle W2 of approximately 90 ° with respect to the associated horizontal or vertical.

The exemplary embodiment according to FIGS. 5 and 6 differs from the previously described exemplary embodiments, inter alia, by other embodiments for the push and pull drives 7. In this embodiment, a respective one is present between the associated notched bar 6a to 6d or the associated guide slide 8a Gear 51 is turned on that a directed in a circumferential direction of the passage 3 and illustrated as a double arrow 52 drive movement of an associated base member 53 into a transverse to the longitudinal axis 2b of the passage 2 directed notch movement and retraction movement. Such a transmission 51 can be realized in different constructions. In the exemplary embodiment, the guide slide 8a is so articulated by a drive element 54 in the form of a connecting rod 54a with the base member 53, that in the initial position of the movable in the circumferential direction base member 53, the connecting rod 54a in a respect to the guide direction of the guide slide 8a oblique starting position in a Notch position is pivoted, in which the connecting rod 54a is pivoted to a position approaching the guide direction or this corresponding position. The notch guide extending in the circumferential direction is designated by 50.

Such a gear 51 is not only of small and simple construction which can be easily integrated, but also leads to a movement control for the associated notching strip 6, wherein the movement speed is reduced with increasing shift in the notch direction and increases the effective notch force is because the connecting rod 54a and the drive member 54 form a toggle mechanism.

The drive elements 54 of all notching strips 6 are preferably mechanically connected to one another in the circumferential direction. Thereby, it is possible to provide a common drive motor 55 for moving all the drive elements 54 and notching ledges 6a to 6d, thereby simplifying the construction and control and reducing the space required for the drive.

The directed in the circumferential direction connection of all drive elements 54 is formed in the embodiment by an annular drive body 53 a, in particular in the form of a closed ring on which the drive motor 55 can sekantial or tangentially attack, as shown by a drive motor 55 clarifying double arrow 52 , To connect the drive motor 55, a connecting piece 53 b can protrude, for. B. radially outward, with which the drive motor 55 may be connected by a hinge 53c. To guide the annular drive body 53a is a ring guide, which is formed in the exemplary embodiment by at least three or four guide rollers 56 which are rotatably mounted on the circumference on the frame 9a and the drive body 53a at its outer edge (shown) or inner edge (not shown ) and lead in the circumferential direction. The guide rollers 56 preferably have an annular groove in its lateral surface, in which the edge, z. B. the outer edge of the drive ring 53 a is guided.

In the region of the carrier module 9, a plate-shaped support member 57 is provided in a horizontal arrangement, on which rest the strand 3 and can be supported by sliding. The support member 57 may be attached to or preferably on the lower edge of the through hole 11, wherein it is z. B. located next to the lower notch bar 6a.

To simplify the production and assembly or disassembly, it is particularly advantageous in a device 1 with a plurality of along the passage 2 successively arranged carrier modules 9, preferably detachably connected by a receiving device 31 to the module assembly 32, which by the connecting device 12 with the Slider S connectable and thus it can be mounted and disassembled or replaced, preferably by a transverse to the passage 2, in particular horizontally directed assembly or disassembly movement.

The receiving device 31 has at least two mutually opposite sides arranged and parallel to the passage 2 extending receiving rods 33 on which the carrier modules 9 with therein, for. B. below, arranged matching receiving holes 34 are attached. Preferably, to increase the stability of the module assembly 32 more than two, z. B. three or four, receiving rods 33 distributed in three or four square, which extend through receiving holes 34, which are preferably arranged in the upper and lower region of the or the carrier modules 9. In the present embodiments, three or four receiving rods 33 are provided, which extend through receiving holes 34 which are arranged in the corner regions of the carrier module or modules 9, z. B. down two and up a receiving rod 33. The transversely to the passage 2 and transversely to the cutting wires 4a extending distance f (Fig. 6) between the Pickup rods 33 is larger than the distance of the cutting wires 4a in its two Schnittendstellungen so that the Aufhahmestangen 33 are located outside the cutting area or passage 2 and this does not interfere.

The carrier modules 9 can by arranged on the connecting rods 33

Spacers, z. B. spacers to be held at a longitudinal distance from each other.

The module assembly 32 is pre-assembled with carrier modules 9 optional number, so that a desired prefabricated modular unit 32 can be mounted quickly. In this case, the desired handling-friendly and rapid disassembly and / or assembly can be achieved by the connection device 12 in the form of a quick-release connection, in particular in the form of a plug connection 13.

In one or more carrier modules 9 arranged behind each other, two connecting devices 12 arranged one behind the other on both sides of the passage 2 are provided in order to increase the stability of the attachment.

The slider S associated connection parts, for. B. bearing blocks, the connecting device 12 are designated 12a, and the modular unit 32 associated connecting parts are denoted by 12b.

The present in the embodiments connector 13 is formed in each case by a jack or plug recess 13a in the one connecting part and a plug pin 13b in the other connecting part. For example, according to FIG. 7, the plug recess 13a can be arranged in the slide-side connection parts 12a and preferably laterally open, wherein the module-side connection parts 12b can be formed by the connecting rods 33, for example by the end regions of the connecting rods 33 which are fittingly received in the plug-in recesses 13a are.

For longitudinal positioning of the module assembly 32 serve two transversely arranged positioning surfaces 39a on the slide-side connecting parts 12a, the z. B. facing each other, and abut which corresponding module-side positioning surfaces 39 b. It results in a simple and inexpensive producible construction, when the positioning surfaces 39a are formed by transversely arranged side surfaces of the plug-in recesses 13a and the corresponding positioning surfaces 39b are formed by the end faces of the receiving rods 33.

The longitudinal distance h between the positioning surfaces 39a may thus correspond to the length L2 of the receiving rods 33.

For fixing against an unwanted return movement, one or more securing elements 13c may serve, which in principle are embodied in the exemplary embodiment according to FIG. 7 and in the form of a device to be described, as shown in FIGS. 8 to 11.

As indicated in FIG. 7, a notch module assembly 32 and a cutting module assembly 32 may be arranged individually or as a common module assembly 32.

The exemplary embodiment according to FIGS. 8 to 12 differs from the above-described exemplary embodiments in many respects, namely with regard to the notching device 5, the cutting device 4, the module carrier (s) 9 and the modular unit 32.

In contrast to the above-described exemplary embodiments, in which the at least one notching device 5 and the at least one cutting device 4 are arranged at a longitudinal distance, the one or more notching devices 5 and the one or more cutting devices 4 in the embodiments according to FIGS. 8 to 12 are in each case common transverse or cutting plane El arranged and effective. The notching device 5 is formed by a chamfering device 14 which is known per se and presses into the strand 3 at the edges of the ends of the longitudinal sections 3 a or blanks 14a to be cut, two chamfers 14a adjacent to each other on the transverse plane El common notch 5a form. In this embodiment, on all four sides of the conveying passage 2 in their longitudinal direction split notching strips 6, namely two so-called Anfasleisten 15, arranged parallel to each other, the - viewed transversely to the passage 2 - As Anfasleisten pair of the embodiment undivided Kerbleisten 6 correspond. In this case, however, the Anfasleisten 15 a extending along the passage 2 distance a from each other and thus a slot 15a between them, which corresponds to taking into account a movement of the cross-sectional dimension of the preferably circular cutting wire 4a. In this embodiment, the notches and the cutting can take place substantially simultaneously or directly one after the other in one and the same transverse plane El, whereby the chamfering strips 15 not only provide the cutting wire 4a with guidance, but also avoid or reduce warping of the strand material or cutting burrs. However, the bevels on the edges of the strand sections may also be desired for other reasons, for example in strand sections which are pavers.

The chamfering surfaces 15c corresponding to the desired cross-sectional shape of the chamfers 14a on the chamfering strips 15 are preferably also wedge surfaces which, with the transverse cutting plane El, have an acute angle W3 of e.g. about 30 to 60 °, in particular about 45 ° include, so that the common notch angle about 60 ° to 120 °, in particular about 90 °.

Seen in the region of the notch / cutting plane El, the two chamfering strips 15 forming a pair are arranged mirror-inverted relative to one another, their chamfering surfaces 15c facing away from each other and their mutually facing side surface 15b extending parallel or with a clearance angle to the associated cutting plane El. These two Anfasleisten 15 form a Kerbbewegungseinheit. In this case, the two chamfering strips 15 are each fastened to the associated guide slide 8a, preferably in a stepped recess 8d, in which they are each supported in a form-fitting manner at a recessing step counter to the notch pressure. In this case, the chamfering strips 15 are likewise supported and / or fixed in the region of their sides facing away from one another on the associated guide slide 8a, wherein the guide slides 8a are arranged on their opposite sides on the associated plate-shaped frame 9a and are displaceably guided in the associated guide device 8. The two with respect to the notch and section plane El mirror image arranged frame 9a are z. B. connected by means of the connecting rods 36 to the support module 9, which will be described in more detail. Between the mutually associated guide slides 8a is a free space 58 is provided in which the cutting wire 4a of the cutting device 4 is movable transversely to the passage 2, z. Example, at least, and on its wire holder sides or as shown in FIG. 8 to 12 on its one stationary wire holder 24a facing peripheral side for the passage of the cutting wire 4a is open.

In the present invention, two wire holders 24a, 24b may be provided for the cutting wire holding and movement guide, between which the passage 2 is located at least temporarily, and which are movable so that the cutting wire 4a may move from one side to the other side of the passage 2 is movable. It can in all embodiments, the direction of movement z. Example, be directed approximately vertically or approximately horizontally, wherein the wire holders 24a, 24b in a corresponding cutting motion guide 25 are movable back and forth.

In the embodiment according to FIGS. 8 to 12, the cutting device 4 has only one movable, namely movable in the movement guide 25, wire holder 24a, which is arranged in the free space 58 between the associated guide slides 8a or frame 9a and is thus movable back and forth. that the cutting wire 4 a is moved from one to the other side of the passage 2. The other wire holder 24b is fixedly mounted on the frame G, preferably as shown in Figs. 8 to 12, between the opposed frames 9a in such a position that the cutting wire 4a has an angular movement range W4 in the cutting motion of the one wire holder 24a Butters.

In the exemplary embodiment, the movable wire holder 24a is guided in a ring guide 25a approximately concentrically around the longitudinal axis 2b of the passage 2. Here, the movable wire holder 24a by a z. B. disc-shaped holder member 24 c formed that about a parallel to the passage 2 axis of rotation 24 d rotatably mounted on a cutting slide 59 which is movable in the approximately coaxial about the passage 2 curved motion guide 25 in the circumferential direction of the passage 2. In Fig. 11, a plurality of circumferential positions of the movable wire holder 24b with the cutting wire 4a are indicated by dash-dotted lines. In the present exemplary embodiment, the cutting slide 59 are arranged by a surrounding the passage 2 annular slide 59 a and the motion guide 25 by distributed around the circumference, z. B. four pieces, guide rollers 25 b formed on which the annular slide 59 a with its edge, preferably with its inner edge, is rotatably guided. The guide rollers 25b may be rotatably mounted on the associated frame 9a in a position in guide contact with the inner edge of the annular slide 59a (shown) or with the outer edge. The motion guide 25 can positively act on all sides on the annular slide 59a in that the guide rollers 25b engage around the annular slide 59a on both sides with guide flanges 25c.

The stationary, but rotatable around its axis, coil-shaped wire holder 24b is disposed radially outside of the annular slide 59a and held between the frame 9a on one or both frames 9a or in the embodiment of an extension 9b of one of the two frames 9a.

The cutting slide 59 or ring slide 59a is moved by a cutting drive 26 around the passage 2 so that the cutting wire 4a passes from one side to the other side of the passage 2. Preferably, the cutting slider 59 is rotationally driven in the one circumferential direction, wherein it is for a section of a

Starting position of the wire holder 24b, the z. 11 at 13 o'clock in which a circumferential direction is rotated, and wherein the cutting wire 4a with the wire holder 24b to the other side of the passage 2 and then returns to the starting position. For monodirectional cutting, the ring slide 59a can make one revolution, returning to its original position. For bidirectional cutting, the ring slide 59a can be pivoted between its initial position and an opposite position. In both kinds of cuts, the movable wire holder 24a performs a sheet movement in which the distance between the wire holders 24a, 24b changes due to the arc. Therefore, in order to allow a variable cutting wire length between the wire holders 24a, 24b, a wire holder, particularly the stationary wire holder 24b, is formed so that, while maintaining its cutting wire holder, the required length change of the cutting wire 4a is possible. This is z. B. thereby, that this wire holder 24b is formed coil-shaped, so that can be deducted automatically from the wire holder 24b at an increase in length of the cutting wire 4a and can be wound automatically on a reduction in length of the cutting wire 4a on the integrated coil of the wire holder 24b. To make this possible, the wire holder 24 b itself or an integrated coil, on which the associated end of the cutting wire 4 a is held, in the

Be resiliently biased in the winding direction of rotation, that at a wire length enlargement of the cutting wire 4a is withdrawn and in a wire length reduction, the cutting wire 4a is wound up. Due to the tension of this elastic compliance, a tensioning device 61 is at the same time integrated into this wire holder 24b, the clamping force of which is so great that the cutting wire 4a is under a sufficient tension. A clamping force generating clamping element of the tensioning device 61 is formed in the embodiment by a piston cylinder 61a, the piston rod of which stationary and, for. rotatably mounted wire holder 24b or its coil is acted upon in the direction of rotation, which faces away from the movable wire holder 24a.

The notching device 5 can correspond to the exemplary embodiment according to FIGS. 5 and 6, wherein two base elements 53 or two annular bodies 53a can be rotatably supported along the respective frame 9a opposite one another, each mechanically connected by connecting rods 54 to the notching strips 6 or their guide slides 8a are connected. Both the free space 58 between them having drive trains can be moved by a common drive motor 55, resulting in a small and space-saving configuration, a simultaneous movement of each forming a pair of rear and front Anfasleisten 15 results.

The exemplary embodiments according to FIGS. 8 to 12 also differ from the exemplary embodiments according to FIGS. 1 to 6 by different configurations of the receiving device 31, the module assembly 32 and the drives for the notching devices 5 and the cutting devices 4.

The receiving device 31 is designed such that the carrier modules 9 can each be mounted and dismounted individually and optionally by a movement directed transversely to the passage 2, preferably horizontal, wherein the connection Device 12 may also be designed as a quick connection, in particular plug-in device, which allows a handling friendly and quick mounting or dismounting to prevent an automatic or unwanted ejection of the carrier modules 9 from the receiving device 31, especially in an approximately horizontal insertion direction 65, is a in the insertion position effective fixing device 66 is provided which is effective between the carrier modules 9 and the receiving device 31 respectively. In order to further improve handling, the fixing device 66 is preferably formed by a latching device which engages in the insertion position, in particular automatically and z. B. is manually releasable.

The receiving device 31 has for receiving and positioning the support modules 9 each have a receiving compartment 67 which is formed by a limited by limiting elements plug-in recess 67a. The support modules 9 can thus be plugged into and removed from the receptacles 67 with a slight movement style, the receptacles 67 and the support modules 9 preferably having the same dimensions, so that the support modules 9 can be mounted in optional receptacles 67.

The sum of the receiving compartments 67 are bounded in the longitudinal direction of the passage 2 by a rear and a front end part 71a, 71b, which is connected by a longitudinally extending connecting parts 71c z. B. a bottom part, are interconnected. These parts 71a, 71b, 71c are plate-shaped parts in the exemplary embodiment, which form a housing-shaped receiving body 31a which is open at least at its insertion side 65a. In the embodiment of the receiving body 3 Ia on both sides and the top side open. The end portions 71a, 71b may be in the shape of a C, which is preferably open towards the service end 65a. By the C-shape recesses 71 d are formed in the end portions 71 a, 71 b, the cross-sectional size at least equal to the cross-sectional size of the required passage 2, and thus also form the passage 2.

It is an essential feature of the receiving device 31 or receiving body 31 a that drive parts of the notch drive 18 and / or the cutting drive 26 are supported on the receiving device 31 and on the receiving body 31 a. This makes it possible, the receiving device 31 with one or both drives 18, 26th as a receiving block 31c and modular unit 32 which is vorfertigbar and as a unit to the device 1 can be mounted or dismounted or is interchangeable with at least one further with respect to an attachability equal trained receiving block 31c or modular unit. The or the receiving blocks 31c may, for. B. be connected by each schematically illustrated connecting elements 36 with the slider S.

The notch drive 18 and / or the cutting drive 26 each preferably have a common drive motor 18a and 26a for the carrier modules 9 associated notching or cutting devices 5, 4.

The notch drive 18 has a cooperating with the annular drive bodies 53a of the support modules 9 common drive element 19a that is formed by a horizontal and between the end portions 71a, 71b extending connecting rod 19b, by a crank drive 19 back and forth, in the embodiment and from, is movable. The crank drive 19 has a crankshaft 19d, preferably extending over the connecting rod 19b between the end parts 71a, 71b, from which one or two spaced-apart crank arms 19e project, each connected by a knee joint to a connecting rod 19f, which in its free end area with the

Connecting rod 19b is connected. There are two crank mechanisms 19, which are connected to the end portions of the connecting rod 19b and are arranged between the end portions 71a, 71b. The common notch drive motor 55 is also disposed between the end portions 71a, 71b and z. B. attached to a front parts 71b. To connect the common drive motor 55 and the

Crankshaft 19d is a rotary drive 21, z. B. a belt drive provided the z. B. can be arranged on the outside of the associated end portion 71b, wherein the crankshaft 19d and the drive shaft of the drive motor 55 can each extend through a through hole in this end portion 71b.

The cutting drive 26 also has a common drive motor 26a, which is arranged between the end parts 71a, 71b and is fastened on the inside of one of the end parts, preferably on the same end part 71b as the notch drive motor 18a. In this case, the cutting drive motor 26a on the Carrier modules 9 are located. The cutting drive motor 26a drives a rotary drive element 27a common to the cutting devices 4, which in the exemplary embodiment is part of a rotary drive 27, in particular a toothed drive, which drives the annular slides 59a of the cutting devices 4. The drive element 27a, for example a roller-shaped gear, extends over the entire longitudinal dimension of the carrier modules 9 and can be rotatably mounted on the end parts 71a, 71b in pivot bearings. In the case of a pinion gear 27d, the drive shaft 27a thus formed may be continuously toothed along or have gears in the number of carrier modules 9, each meshing with gears 27b, which are each rotatably mounted on the associated support module 9, z. Example by means of a shaft 27 c or axle, which is mounted on the support frame 9 a. The gears 27b are connected by a further toothed drive 27e with a arranged on the circumference of the annular slide 59a teeth in rotary drive connection.

The common cutting drive motor 26 is by a rotary drive 28, in particular by a belt drive, in drive use with the common drive element 27a, wherein the rotary drive 28 with respect to the associated end portion 71b may be arranged outside.

The latching device 66a has a common latching rod 66b for the carrier modules 9, which preferably automatically engages in latching recesses 66c in the carrier modules 9 in the inserted position. The latching recess 66c are preferably arranged at the upper edge of the carrier modules 9 and open at the top, wherein the latching rod 66b is mounted approximately vertically movable over the carrier modules 9 and automatically engages in the latching recesses 66c due to their gravity during insertion of the carrier modules 9. The locking rod 66b is mounted vertically movable on the receiving body 31a, for. B. by two pivot arms 66d, which are mounted at their ends of the locking bar 66b vertically pivotally mounted on the end portions 71a, 71b.

Hereinafter, further details of the connecting device 12 for releasably mounting the carrier modules 9 to the device 1 will be described, each of which is preferably formed by at least one quick-release connection, in particular in the form of a plug connection 13. In the exemplary embodiment according to FIGS. 1 to 4, two quick-release connections or plug-in connections 13 are provided, which are designed so that the plug-in pin 13b passes through the insertion movement of the carrier module 9b into the associated plug-in recess 13a. If the plug-in recesses 13 a are arranged on the carrier module 9, as shown in FIG. 1, they are open in the insertion direction 65, wherein the plug-in recess 13 a in the insertion direction 65 is also open on the underside by an extended opening 13 c, so that the associated plug pin 13 b in the plug-in recess 13a can get. When the plug-in recess 13a is arranged on the carrier module 9, the plug-in pin 13b is arranged or fastened on the slider S, for. B. by means of bearing blocks 12a.

The latching recess 66c is arranged in the upper region of the carrier module 9 and open at the top, wherein it is preferably offset eccentrically to the operating side 65a of the device 1. Fig. 1 shows the connector 13 and the latching device 66a respectively in the fixed insertion end position.

The exemplary embodiment according to FIGS. 8 to 12 also differs from the above-described connecting device 12 in that the connecting devices 12, which are likewise preferably formed by plug-in devices 13, are not arranged between the carrier module 9 and the slider S, but between the carrier module 9 and the receiving device 31 are. D. h., Not belonging to the carrier module 9 connecting parts 12 a are arranged on the receiving device 31 and the receiving body 31 a. In this case, in the case of plug-in recesses 13a on the carrier module 9, a common plug-in pin 3 Id can be arranged on the receiving device 31 or on the exception body 31a, which each extend in the form of a plug-in rod Id between the end parts 71a, 71b and can be attached thereto, so that the latter are stabilized by the plug-in rods 3 Id.

In the embodiment according to FIGS. 8 to 12, three plug-in devices 13 are provided, wherein with respect to the carrier modules 9, a third plug-in device 13 is assigned in the upper area on the side opposite the operating side 65a, which increases the stability. In particular, FIGS. 1 and 8 clearly show easy handling when mounting or dismounting the at least one carrier module 9. It can be seen that in the end region of the insertion movement, the plug devices 13 automatically reach their positioning positions.

The toothed drive 27d, which is designed in such a way that the teeth of the associated toothed wheels 27a, 27b automatically engage at the end of the insertion movement and are automatically separated upon removal, also contributes to this simple handling and simplification of the assembly or disassembly. This is possible in the embodiment because the teeth of, e.g. common drive gear 27a and the gears 27b overlap each other in the Einschubendstellung, wherein the drive gear 27a offset above the gears 27b or in the insertion direction 65 corresponding circumferential direction and thus lower than above, so that the meshing teeth in the insertion or Ausschubbewegung automatically enter or disengage. This detachable drive connection is designated in FIG. 11 by Vl.

A functionally comparable drive connection V2 is also possible between the drive ring body 53a common to all notching devices 5 and the notch drive 53a.

Drive motor 55 is provided. That is, this drive connection V2 is automatically closed during insertion of the or the support modules 9 and released automatically when pulling out. As with the drive connection Vl, no special assembly or disassembly measures are required even for the drive connection V 2 in order to drive the connections V 1, V 2 during insertion and

Pulling out to close and to solve. This applies in the presence of only one carrier module 9 with only one notching device 5 according to FIGS. 5 and 6 or in the presence of a plurality of notching devices according to FIG. 7 or even in the presence of a plurality of carrier modules 9 according to FIGS. 8 to 12.

The drive connection V2 can be formed, for example, by a plug connection, which can be flowed in the insertion direction 65 during a relative movement of the plug connection parts and can be released counter to the insertion direction 65. Such a connector may be formed by a plug-in recess, in or against the insertion direction 65 is open, and in which an associated plug pin can be inserted and pulled out.

In the present exemplary embodiments, this plug connection is arranged by a plug recess 53d which is open in the insertion direction 65 in the associated annular body 53a or connecting socket 53b, wherein the plug pin can be formed by the hinge pin of the associated joint 53c (FIG. 5), which in the exemplary embodiments according to FIG. 8 to 12 formed by the crank rod 19b of the existing crank mechanism 19 and in the circumferential direction of the passage 3 and is movable up and down to drive the notch drive 5 of the at least one support module 9.

To further simplify the handling, it is advantageous to arrange in the insertion direction 65 oppositely directed edge region of the support modules 9 each have a handle member 72 for manual gripping that in the exemplary embodiment by a hole, for. B. a vertical slot is formed. In order to further improve the accessibility, the grip element 72 is arranged in the free edge region of an extension 9b of one of the two support frames 9a. Preferably, this extension is horizontally so long that it or the engagement element 72 formed therein projects beyond the laterally offset stationary cutting wire holder 24b or its coil.

In the receiving trays 67, the relevant carrier module 9 is limited on all sides with little play and thus positioned. This is in and against the insertion direction 65 by the fixing device 66, in the vertical through the

Connecting devices 12 and laterally, that is, in and against the passage direction 2a bounded by lateral boundaries Ba, Bb, which may be formed by the support frame 9a or by special limiting elements BaI, BbI. In this case, the limiting elements BaI, BbI can preferably be positioned on the inner sides of the end walls 71a, 71b or on other parts of the receiving device. This applies both to one and a plurality of receiving compartments 67 arranged one behind the other in the passageway 3. In the latter case, each receiving module 9 can be assigned a receiving compartment 67 in which the associated carrier module 9 is positioned independently of the adjacent carrier module 9. However, it is also possible to use one or both adjacent carrier modules 9 as boundaries Ba, Bb, for example by the fact that only one rear boundary Ba is present, against which the associated carrier module 9 abuts with its rear broad side, wherein the second, third etc. Carrier module is attached with its respective rear side to the front of the previous support module 9. Such a configuration and arrangement, Figs. 15 to 17, which will be described.

In the presence of limiting elements BaI, BbI formed by individual pieces, in each case at least three such elements arranged on the peripheral region of the carrier module or modules 9 are required in order to obtain a stable support laterally. It is advantageous to arrange in the lower region two boundary elements BaI and BbI on both sides of the passage 3 and in the upper region at least one delimiting element BaI, BbI, the latter can be arranged centrally or eccentrically with respect to the associated broad side of the support module 9.

In the embodiment according to FIG. 13, the limiting elements BaI, BbI are formed by annular collars 3e on the plug-in pins 3dd or plug-in rods, the annular collars 31e being integrally molded thereon or formed by sleeves plugged thereon, for example by a not shown Fixing screw are fixed.

The distance d of the annular collars 3 Ie from each other is determined taking into account a slight play on the width dimension of the associated carrier module 9. The distances d are also equal in preferably the same carrier modules 9. The width i of the annular collars 3 Ie is formed so large that the support modules 9 have a lateral distance from each other.

It is sufficient for a stable lateral support, if in the lower area two

In addition, or as a third delimiting element BaI, Bb2 at least one preferably also formed by an annular collar 3 Ie Limiting element BaI, BbI be formed on the fixing of the fixing device 66, for example on the fixing rod 66b.

In the context of the invention may or may be present only the rearmost annular collar 3 Ie or the other annular collars, not shown. 14 shows the above-described exemplary embodiment of the receiving device 31 or module assembly 32 with a first carrier module 9 inserted into the first receiving compartment 67, which is positioned on all sides.

The positions of the boundaries Ba, Bb or delimiting elements BaI, BbI can be adjustable along the passage 3. This can be achieved by releasing, moving and fixing, z. B. the league 3 Ie done. It can also with correspondingly different dimensions d, i trained plug-in rods 3 Id and / or fixing rods 66b be detachable and attachable and replaceable, see double arrow in Fig. 14. The plug-in rods 3 Id or the fixing rods 66b can z. B. have at one end a head and at the other end a screw-nut 3 If.

The exemplary embodiment according to FIGS. 15 to 17 differs from the previously described exemplary embodiment in many respects, wherein the boundaries Ba, Bb of the receiving compartments 67-with the exception of the rearmost border Ba-are formed by the rear and front broad sides of the carrier modules 9. There are only the rearmost, for example, three or four pieces, limiting elements BaI present, which form a vertical reference plane, and on which the rearmost carrier module 9 rests with its rear side and thus also rests the entire carrier module package.

In this embodiment, the carrier module package could be limited on its opposite side, namely with the front broad side of the foremost carrier module 9, by front limiting elements BbI, which are arranged in a distance corresponding to the outer dimension of the carrier module package from the rear limiting elements BaI. In the exemplary embodiment according to FIGS. 15 to 17, however, the front boundary elements BbI are formed by at least one pressure device 73, with which the carrier modules 9 can be pressed against the rear boundary elements BaI. There may be three or four printing devices 73 on the Circumference distributed, preferably the boundary elements BaI longitudinally opposite or in the vicinity, or next to the plug-in rods 3 Id.

The printing devices 73 may be manually operable. In the exemplary embodiment, they are each formed by a threaded spindle 73 a, which is in each case screwed into a horizontal threaded hole, the z. B. in the associated end wall 71b adjacent to the holes for the plug-in rods 3 Id and may be arranged in the region of the fixing device 66 in the associated pivot arm 66d. The threaded spindle 73a each have in the region of its outer end at least one rotary control element 74, which may be formed, for example, by angularly or T-shaped protruding lever arms.

The printing devices 73 and spindles 73a are formed so long that they can be pressed against the selected number of carrier modules 9 respectively.

The arrangement of the at least one printing device 73 makes it possible to not only keep the support module 9 free of play, but also to press against the front sides of the delimiting elements BaI forming a reference plane E2, thereby ensuring exact positioning of the support modules 9 in the longitudinal direction of the passage 3 is.

In all embodiments according to FIGS. 8 to 17, the foremost receiving compartment 67 can also serve as the first compartment 67, wherein the further carrier modules can be completed in a rearwardly extending row to form a packet.

In all embodiments, it is therefore possible, starting from the first (rearmost or foremost) carrier module, to freely select the number of carrier modules 9.

In the embodiment according to FIGS. 13 and 14, an optional number of carrier modules 9 can be fitted in optional receiving compartments 67.

In the context of the invention, the above-described embodiments can also be provided in other combination and also in each other in other designs.

Claims

claims

1. Device (1) for separating a strand (3) of plastic material, in particular clay, in longitudinal sections (3 a), with - a frame (G), which is associated with a conveyor passage (2), in which

Strand (3) on a conveyor (Ia) is longitudinally conveyable, a notching device (5) with at least one notch strip (6) for transversely directed notches of the strand (3) on at least one of its sides, wherein the notched strip (6) between a release position and a notch position, and a cutting device (4) for cutting the strand (3) in the notch (5a) having two cutting wire holders (24a, 24b) for a cutting wire (4a), the notching strip (6 ) by a rear and a front, in the circumferential direction of the passage (3) side by side extending

Chamfering strip (15) having a distance (a) directed from one another in the longitudinal direction of the passage (3), and wherein the wire holders (24a, 24b) for moving the cutting wire (4a) between the chamfering strips (15) across the Passage (3) are arranged and formed, characterized in that a notch strip (6) forming Anfasleisten (15) between a rear and a front support frame (9 a) are arranged, wherein the support frame (9 a) transversely to the passage (2) extend and form a carrier module (9), and wherein the rear chamfers (15) at the front of the rear

Support frame (9 a) and the front chamfers (15) on the rear side of the front support frame (9 a) are mounted.

2. Apparatus according to claim 1, characterized in that the notched strip (6) or the Anfasleisten (15) in each case by a drive element (54) are movable, which is mounted directly or indirectly on the associated frame (9 a).

3. Apparatus according to claim 1 or 2, characterized in that a cutting wire holder (24 b) is mounted stationary on the frame (G) and the other cutting wire holder (24 a) arranged in a frame on the and in a circumferential direction of the passage (2) extending cutting guide (25) by a cutting drive (26) is movably mounted.

4. Device (1) for separating a strand (3) of plastic material, in particular clay, in longitudinal sections (3a), with a frame (G), which is associated with a conveyor passage (2), in which the strand (3) a conveyor (Ia) is longitudinally conveyed, a cutting device (4) for cutting the strand (3) having two cutting wire holder (24a, 24b) for a cutting wire (4a), - of which a cutting wire holder (24b) on the frame ( G) is mounted stationary and the other cutting wire holder (24a) in a frame (G) and arranged in a circumferential direction of the passage (2) extending cutting guide (25) by a cutting drive (26) is movable so that the cutting wire (4a ) passes from one side to the other side of the passage (2), characterized in that a notching device (5) is provided with at least one notched bar (6) for transversely directed notches of the strand (3) on at least one of its sides, wherein the notched bar (6 ) is in a transverse plane (El) and is movable by a drive element (54) between a release position and a notch position, and wherein the notch strip (6) and at least the movable cutting wire holder (24a) or both cutting wire holder (24a, 24b) at a Carrier module (9) are arranged.

5. Device according to one of the preceding claims, characterized in that the device (1) has a receiving device (31) with a receiving compartment (67) for the carrier module (9), wherein the receiving compartment (67) transversely to the passage (2) extends and the carrier module (9) by a transversely directed movement in the receiving compartment (67) can be inserted.

6. Device (1) for separating a strand (3) of plastic material, in particular clay, in longitudinal sections (3 a), with - a frame (G), which is associated with a conveyor passage (2), in which

Strand (3) on a conveyor (Ia) is longitudinally conveyed, and a cutting device (4) for cutting the strand (3) having two cutting wire holder (24a, 24b) for a cutting wire (4a), wherein the cutting device (4) for moving the cutting wire (4a) is arranged and formed transversely through the passage (3), and wherein the notching device (5) and the cutting device (4) are mounted on a carrier module (9), characterized in that the device (1) has a receiving device (31) with a receiving compartment (67) for the carrier module (9), the receiving compartment (67) extending transversely to the passage (2) and the carrier module (9) by a transversely directed movement in the receiving compartment (67) can be inserted.

7. Apparatus according to claim 5 or 6, characterized in that the receiving compartment (67) extends approximately horizontally.

8. Apparatus according to claim 6 or 7, characterized in that the receiving compartment (67) is associated with a connecting device (12), in particular a quick connection device, for fixing the carrier module (9) in its insertion position.

9. Apparatus according to claim 8, characterized in that the quick-connection device is formed by a latching device (66a), which preferably engages automatically in the insertion position.

10. Device according to one of claims 5 to 9, characterized in that the receiving compartment (67) on one side at least one transversely to the receiving compartment (67) effective pressure device (73) is assigned, with which the carrier module (9) against the opposite boundary (Ba) of the receiving compartment (67) can be pressed

11. Device according to one of claims 5 to 10, characterized in that the receiving compartment (67) on one side or on both sides in each case by a plurality, for. B. three or four, distributed around its circumference arranged boundaries (Ba, Bb) is limited.

12. Device according to one of claims 5 to 11, characterized in that the at least one lateral boundary (Ba, Bb) of the receiving compartment (67) on one or both sides is adjustable, for example by replacement, in particular for the purpose of adaptation to different widths Carrier modules (9).

13. Device according to one of the preceding claims 3 to 12, characterized in that the movable wire holder (24a) in a in a circumferential direction, in particular arcuately or annularly around the passage (2), extending Schneidefuhrung (25) is movable.

14. Device according to one of claims 6 to 13, characterized in that it comprises at least one notching device (5) with at least one notched bar (6) for transversely directed notches of the strand (3) on at least one of its sides.

15. The apparatus according to claim 14, characterized in that the notching device (5) has two notching strips (6) in a common transverse plane (El), wherein the notching strips (6) are arranged opposite one another, preferably arranged laterally of the passage and in an upright position are.

16. The apparatus according to claim 15, characterized in that extending between the two notching strips (6) has a third notched strip (6), which is preferably an upper notched strip (6c).

17. The apparatus according to claim 16, characterized in that the notching device (5) has a fourth notched strip (6) for circumferential notches of the strand (3), which is preferably a lower notching strip (6a).

18. Device according to one of claims 4 to 17, characterized in that the notching strip (6) or the notching strips (6) are each formed by a chamfer strip (15) extending in the circumferential direction of the passage (3) next to one another and having a spacing directed in the longitudinal direction of the passage (3) (A) have, and that the cutting device (4) for moving the cutting wire (4a) between the Anfasleisten (15) is arranged and formed transversely through the passage (3).

19. The apparatus according to claim 18, characterized in that the one notch strip (6) forming Anfasleisten (15) between a rear and a front support frame (9 a) are arranged, wherein the support frame (9 a) extending transversely to the passage (2) and forming the carrier module (9), and wherein the rear chamfers (15) are mounted on the front of the rear support frame (9a) and the front chamfers (15) on the rear side of the front support frame (9a).

20. Device according to one of the preceding claims, characterized in that at least one of the two cutting wire holder (24 a, 24 b) on a

Support frame (9a) of the module carrier (9) is mounted or are, in particular at its the distance (a) having inside.

21. Device according to one of the preceding claims, characterized in that one of the two cutting wire holder (24 a, 24 b), preferably the stationary cutting wire holder (24 b), a device for lengthening and shortening of the cutting wire (4 a), for. B. in the sense of a coil for the automatic unwinding and winding of the cutting wire (4a) is formed.

22. Device according to one of the preceding claims, characterized in that the cutting device (4) has a clamping device (61) for the cutting wire (4a), the z. B. generates a rotational bias of the coil.

23. Device according to one of the preceding claims 2 to 22, characterized in that the drive element (54) with a base element (53) of a transmission (51) is drivingly connected, that in a circumferential direction of the passage (2) converts directed movement of the base element (53) into the transverse movement of the associated notching strips (6).

24. The device according to one of claims 13 to 23, characterized in that the movable wire holder (24 a) and / or the base element (53) of the notching device (5) about a in the passage (2) extending, preferably rotatable and rotatably mounted by a respective drive (18, 26, 26a) is rotatable.

25. Device according to one of the preceding claims, characterized in that a releasable connection device (Vl, V2) is provided for preferably automatically connecting the notching device (5) and / or the cutting device (4) each with an associated drive (7, 25 ) at the

Inserting the carrier module (9) into the receiving compartment (67).

26. Device according to one of claims 2 to 25, characterized in that the drive element (54) is formed by a connecting rod, which is pivotally connected to the associated base element (53) and the associated notching strip (6) or an attachment thereof.

27. Device according to one of the preceding claims, characterized in that the notching strips (6) in each case by a drive (7) in a guide (8) are movable, which includes an acute angle (Wl) with the associated vertical or horizontal, which is preferably about 45 °.

28. Device according to one of the preceding claims, characterized in that of two mutually adjacent in a corner notching strips (6) a notched strip at least with its notch (6e) is extended over at least the notch (6e) of the other notching strip, and the other Notch bar at least in her one of the notch strip overlapped end wall region one

Recess (6f), which is adapted to the cross-sectional shape of the notch (6e) of a notch strip.

29. The device according to claim 28, characterized in that the one notched strip extends at least to the outer edge of the other notched strip and the recess (60 in the other notched strip extending continuously.

30. The apparatus of claim 28 or 29, characterized in that the notched strips (4a to 4d) are formed and arranged in their corner regions in the circumferential direction of the passage (2) each with respect to the previous corner region rotated by 90 °.

31. Device according to one of the preceding claims, characterized in that a plurality in the longitudinal direction of the passage (3) arranged one behind the other groups, each having a notching device (5) and a cutting device (4) are provided for notching and preferably also for subsequent cutting are substantially simultaneously movable.

32. Device according to one of the preceding claims 5 to 31, characterized in that a plurality of receiving tray (67) and carrier modules (9) each with an associated notching device (5) and preferably also cutting device (4) in the longitudinal direction of the passage (3) one behind the other are arranged.

33. Apparatus according to claim 31 or 32, characterized in that for the notching devices (5) and / or cutting devices (4) of the carrier modules (9) each have a common drive (55, 26) is provided.

34. Device according to one of the preceding claims 10 to 33, characterized in that the boundaries (Ba, Bb) by annular collars (3Ie) or sleeves are formed on extending transversely to the receiving compartments (67) extending pin (3Id) or rods are arranged.

35. Device according to one of claims 32 to 34, characterized in that the carrier modules (9) by a receiving device (31) to a modular unit (32) are interconnected.

36. Apparatus according to claim 35, characterized in that the receiving device (31) the carrier modules (9) interconnecting connecting rods (33, Fig. 7) or a box-shaped receiving body (31 a, Fig. 9).

37. Device, in particular according to one of the preceding claims, characterized in that the one or more support modules (9) or the module assembly (32) by a transversely to the passage (2) directed movement and by means of a

Connecting device (12) can be mounted or dismounted or exchanged against a differently designed carrier module (9) or a differently designed modular unit (32) or are.