Support for rolling metal rod, wire or tube along rolling axis

Abstract

The utility model relates to a support for rolling a metal rod, a metal wire or a metal pipe along a rolling axis. The support comprises: three rollers, which are positioned in each case on a roller axis and surround the rolling axis in a star-shaped manner and together form an aperture; a cradle housing having an outer portion, the outer portion including, as viewed along the rolling axis, at least six side surfaces arranged so as to rotate in each case about the rolling axis by about 60 DEG offset and two end faces opposite one another, where the side surfaces form a regular hexagon at least in an imaginary extension; and a roller guide attached to one of the end faces of the bracket housing and including a cardan shaft, where the cardan shaft includes a roller adjustment connector via which the roller guide can be centered and attached to the bracket housing in one corner of the hexagon.

Description

Technical Field

[0001] The utility model relates to a support for rolling long metal products along a rolling axis, in particular a rod, a wire or a pipe. The support comprises a roller guide attached to an inlet side of the support. Background Art

[0002] Stands for rolling rod-shaped material to be rolled are generally known in the production of metal tubes, rods, or wires. In this case, the material to be rolled can be rolled to the desired diameter because the caliber is set accordingly. A stand in this technical field is known, for example, from DE 100 15 340 A1.

[0003] Typically, a plurality of stands are arranged in series in a rolling mill. Thus, the material to be rolled can be stretched, in particular by the difference between the roller speeds of the individual stands, and rolled to a smaller diameter.

[0004] Furthermore, the roundness of the material being rolled is often insufficient after passing through a single stand, as the cross-section of the material, due to the typically star-shaped arrangement of the rollers and their relatively small number, assumes a polygonal shape whose number of sides corresponds to the number of rollers in the stand. For example, a material being rolled by a single three-roller stand has a cross-sectional shape that is not a perfect circle but rather a nearly triangular shape.

[0005] In order to improve the roundness of the material to be rolled, the successive stands are preferably arranged so that in each case the corners of the cross section of the material to be rolled leaving a stand come into contact with the centres of the rollers of the next stand and thus round the cross section of the material to be rolled.

[0006] Thus, for example, the three rollers of the first and third stands of a rolling mill having four stands are typically positioned in a so-called "Y arrangement," and the rollers of the subsequent stands (e.g., the second and fourth stands) are arranged in a so-called "inverted Y arrangement." Since the rollers and stands are alternately arranged in a Y arrangement and an inverted Y arrangement, the corners of the cross-section of the material to be rolled are rolled by the rollers using the lower stand, and thus the cross-section of the material to be rolled is rounded.

[0007] In the Y arrangement, the lower roller is oriented so that its roller axis is horizontal, i.e., its diameter extends vertically in the direction of view of the rolling axis. Conversely, in the inverted Y arrangement, it is the roller axis of the upper roller that is horizontal, i.e., its diameter extends vertically in the direction of view of the rolling axis. In both cases, the roller axes of the other two rollers are each inclined 120° relative to the horizontal roller axis. Of course, the arrangement relative to the horizontal is generally arbitrary, as for the effects described herein, only the relative arrangement of the rollers relative to the adjacent supports is important.

[0008] To date, the switching between different arrangements of cuboid supports has generally been carried out, for example, by rotating by approximately 180° about a horizontal axis. However, among other obstacles, this switching also causes the entry side (i.e., the end face through which the material to be rolled enters the support) and the exit side (i.e., the opposite end face through which the material to be rolled leaves the support) to be interchanged. In other words, the entry side becomes the exit side and vice versa.

[0009] The arrangement of supports one after another to form a rolling mill is usually carried out using support bases into which the supports are introduced and by which the supports are held. This makes it possible to replace the supports in the rolling mill, for example, for maintenance that is regularly required.

[0010] To prevent the material to be rolled from performing a torsional movement between successive supports and the points of action of the rollers along the periphery of the material to be rolled being difficult to control, roller guides are known which are usually attached to the support on the entry side of the support. Such a configuration is known, for example, from CN 114 130 828A.

[0011] Particularly effective roller guides exhibit the possibility of adjusting the aperture centrally between the feed rollers using a roller adjustment mechanism. For this purpose, for example, shafts, usually cardan shafts, are used to introduce a roller adjustment torque via roller adjustment connectors (i.e., coupling elements for the shafts), which connectors can be fastened to the support.

[0012] In addition, there are two basic configurations of roller adjustment connectors, in particular manual adjustment of the rollers and automatic adjustment known as remote adjustment. While arranging the roller adjustment connector on the operator side of the support housing allows good accessibility for manually operating the roller support connection from this side, in this arrangement the roller adjustment connector cannot be easily automatically operated and actuated (i.e., by so-called remote adjustment), because in order not to impede the user's access to the support, the motor required for this may not be provided on this side.

[0013] In the prior art, switching between a Y-arrangement and an inverted Y-arrangement, such that the roller guide is correctly arranged and set, is associated with a large amount of work for modifying the support, especially when it is a roller guide including a roller adjustment connector. Summary of the Utility Model

[0014] In view of this background, the object of the present utility model is to provide a support in the above technical field which allows for more flexible use within a rolling mill, and in particular a more flexible choice of both the position and the adjustment configuration in the rolling mill, as well as a simultaneous compact design of the rolling mill.

[0015] In other words, the object is to develop a support in the above technical field such that it can be arranged at different positions and in different positions in the support base, with a central adjuster being provided for each roller guide attached in each case.

[0016] This object is achieved by means of the support according to claim 1. Advantageous embodiments of the present invention emerge from the dependent claims.

[0017] A support for rolling long metal products, in particular rods, wires or tubes, along a rolling axis comprises: three rollers, which in each case are positioned on roller shafts and are arranged in a star shape around the rolling axis and together form a caliber, the three roller shafts being preferably mounted in bearing bores of a support housing by means of eccentric bushes such that the radial spacing of the rollers from the rolling axis is adjustable; a support housing having an exterior which, viewed along the rolling axis, comprises at least six side surfaces which are arranged to rotate by approximately 60° in each case around the rolling axis, the side surfaces together forming at least in a virtual extension a regular hexagon; and a roller guide which is attached to an end face, in particular the inlet side, of the support housing and comprises a universal joint which comprises a roller adjustment connector which enables central adjustment of the roller guide via which and which is attached to the support housing in a corner of the hexagon.

[0018] In the context of the present invention, a side surface is a surface of the support housing which laterally delimits two end faces (in particular a front face called the inlet side and a rear face called the outlet side), the rolling axis extending through the end faces. Viewed along the rolling axis, the end faces together form the lateral outer surface of the support housing. The side surfaces are arranged to rotate by approximately 60° in each case around the rolling axis, i.e. adjacent side surfaces enclose an interior angle of 120°. Thus, the side surfaces form at least in a virtual extension a regular hexagon, which means that the projection of the support housing along the rolling axis delimits a polygon having at least six sides and corners. In this case, it is also possible not to provide sharp corners between adjacent side surfaces of the hexagon, but rather rounded corners, chamfers or similar transitions which interconnect the straight side surfaces.

[0019] The side surfaces of the support housing can be used as contact surfaces, including contact surfaces or extending parallel to one or more contact surfaces formed, for example, by slide rails, on which the support can be placed in a stable manner, in particular in a support base. The side surfaces do not have to be flat, but can also comprise steps, projections or recesses as well as openings and can also be formed in a plurality of parts.

[0020] The star-shaped arrangement of the rollers around the rolling axis means that the rollers or their planes of rotation are arranged at an angle of 120° relative to two adjacent rollers or their planes of rotation in each case. This also applies to the roller shafts, the axes of which intersect except in the plane of rotation of the rollers, but not in the bore. However, within the support, each roller shaft is at an angle of 120° relative to the other two roller shafts in each case. This results in a synergistic effect of the roller arrangement and the geometry of the support housing, which is derived in particular from the similar symmetry of the star-shaped arrangement of the three rollers on the one hand and the regular hexagon on the outside of the support housing on the other hand.

[0021] In the case of this preferred support, the spacing of the rollers from the rolling axis can be set for setting the bore by rotating an eccentric bush (i.e. by eccentric adjustment known for example from DE 100 15 340A1).

[0022] Compared with the rectangular support housing with four side surfaces known from the prior art, the number and arrangement of the side surfaces of the support housing according to the present utility model have the following advantages: The support can be used in a modular manner in different positions at different positions in a rolling mill and in different configurations regarding the adjustability of the roller guides. In other words, the support can be used in a plurality of different orientations, such as a Y-arrangement and an inverted Y-arrangement, with different assignments of the end faces as the inlet side or the outlet side, with and without roller guides, etc., and in different versions of the roller adjustment of the roller guides (e.g. manual or automatic). Thereby, the number of supports reserved for the operator of the rolling mill is reduced, because the same support can be used throughout the rolling mill even after the rolling mill is modified between manual and automatic regarding the adjustability of the roller guides. Therefore, the present utility model enables more flexible use within the rolling mill, and in particular a more flexible selection of both the position in the rolling mill and the roller adjustment configuration, as well as a simultaneous compact design of the rolling mill.

[0023] The support housing preferably includes at least a pair of coupling element clamping areas arranged in the corners of the hexagon and to which the roller adjustment connectors are attached, one coupling element clamping area of the pair being arranged on one of the end faces and the other coupling element clamping area of the pair being arranged on the other end face.

[0024] The corners in the sense of the arrangement of the coupling element clamping areas according to the preferred embodiment extend from the side surfaces or, in the case of non-acute angles, their imaginary extensions intersect the peripheral spacing adjacent to the corner by up to 25% in their direction. An arrangement of the coupling element clamping areas, which itself has a peripheral extension corresponding to the size of the coupling element in the center of the corner of the regular hexagon formed by the side surfaces, is particularly preferred.

[0025] The coupling element clamping region enables a safe, reliable and precise mounting of the roller adjustment connector on the support housing, which is particularly advantageous for changing the support housing, since the roller guide then sometimes has to be readjusted, for example, if it is intended to be positioned on the inlet side as usual in both cases.

[0026] In a preferred embodiment, the support housing includes two pairs of coupling element clamping regions, one pair being arranged at a corner of the hexagon and the other pair being arranged at a corner of the hexagon rotated by approximately 120° about the rolling axis. The roller adjustment connector is attached to one of these pairs. In other words, one of the pairs of coupling element clamping regions is arranged at the first corner and the other of the pair is arranged at the second corner of the hexagon, the second corner being the next corner in the circumferential direction.

[0027] Thus, switching between two different arrangements, in particular between a Y-arrangement and an inverted Y-arrangement, can be carried out by tilting about an inclined axis which extends through the corner located between the first and second corners and the center of the support housing, i.e., a skewed inclined axis as compared to the conventional horizontal inclined axis in the case of a rectangular support housing. In this case, the first and second corners swap positions after switching, and the attachment of the roller adjustment connector, i.e., the coupling for the central adjustment of the roller guide, can be carried out reliably, quickly and precisely at the appropriate corner with the aid of the coupling element clamping region in each case. It is particularly advantageous if the support housing additionally includes a bearing hole for the adjustment connector of the roller of the support, which hole is arranged in the region of the third corner. Switching between two different arrangements along the inclined axis extending through the corner in the vicinity of the position where the adjustment connector for the roller adjustment is located is particularly efficient for the entire rolling mill.

[0028] The support housing preferably includes three pairs of coupling element clamping regions, one pair being arranged in a corner of the hexagon and two pairs being arranged at adjacent corners. The roller adjustment connector is attached to one of the pairs. In other words, in this preferred embodiment, one pair of coupling element clamping regions is also located in the third corner positioned between the above-mentioned first and second corners, such that three adjacent corners each have a pair of coupling element clamping regions.

[0029] This results in further flexibility, since when switching between two different arrangements, in particular between a Y-arrangement and an inverted Y-arrangement, the third corner retains its position by tilting about an inclined axis extending through the corner and the center of the bracket housing located between the first and second corners. The attachment of the roller adjustment connector, i.e., the coupling for the central adjustment of the roller guide, can be carried out reliably, quickly and precisely at the respective suitable corner by means of the coupling clamping area. This is particularly advantageous if the bracket housing additionally includes a bearing hole for the adjustment connector of the roller of the bracket, which bearing hole is arranged in the area of the third corner. Switching between two different arrangements along the inclined axis extending through the corner near the position where the adjustment connector for roller adjustment is located is particularly efficient for the entire rolling mill.

[0030] The coupling clamping area preferably includes a threaded hole for fastening the coupling for the shaft of the roller guide. Thus, the coupling, i.e., the roller adjustment connector, can be reliably and firmly attached to the bracket housing.

[0031] In a preferred embodiment, the coupling clamping area is made in the end face. Thus, an even more reliable and space-saving attachment of the coupling can be ensured.

[0032] The bracket housing advantageously further includes a clamping rail screwed to the coupling clamping area, by means of which the coupling can be oriented and mounted. This enables simple and precise installation and orientation of the coupling.

[0033] In a preferred embodiment, the bracket housing includes at least one service material connection on the end face, and the roller guide includes a service material pipeline, which is connected to the service material connection on the bracket housing.

[0034] For example, cooling water can be fed reliably and efficiently to the roller guide via the service material pipeline connected to the service material connection on the bracket housing, since the connection of the pipeline can be made before the bracket is inserted into the bracket base, and can be designed correspondingly reliably, and can also be carried out quickly due to better accessibility. Service materials, such as cooling water, can be conducted through the bracket housing, for example, because when the bracket housing is received in the bracket base, if the service material feed pipeline is connected to the corresponding service material connection on the bracket base or in the bracket base, then the service material is introduced into the bracket housing through the service material feed port.

[0035] In this case, the preferred arrangement of the service material connection on the end face facilitates the feeding of the service material to the roller guide, since the roller guide is attached to the same end face, and thus the service material pipeline can be guided in a geometrically simple manner.

[0036] Accordingly, operating materials, especially cooling water, can be reliably conducted through the operating material pipelines of the roller guides, and for example, the rollers and the material to be rolled can be cooled using the cooling water.

[0037] The support preferably further includes an adjustment connector for introducing an adjustment torque to adjust the radial position of the roller shaft relative to the rolling axis for setting the caliber. In this case, at least two adjustment configurations, namely remote adjustment via an external motor and manual adjustment, are possible. For this purpose, the external motor or a suitable tool (such as a wrench) must be engaged with the adjustment connector to actuate it, i.e., to rotate it. For example, the rotational movement can be transmitted via a gearbox to one of the eccentric bushings of the support, for example. The rotational movement can be transmitted from the said eccentric bushing to other eccentric bushings of the eccentric bushings of the roller shaft in a manner known in principle. Thus, all roller shafts can be synchronously adjusted via a single adjustment connector, and the caliber can be set correspondingly. Other adjustment mechanisms are also possible.

[0038] The adjustment connector is preferably arranged on the outside of the support housing, i.e., on the lateral outside, at the corner of a regular hexagon. In this connection, "at the corner of a regular hexagon" means that the adjustment connector is closer to the corner than the center of the side surface, i.e., closer to the transition between two adjacent side surfaces. This arrangement of the adjustment connector enables the support to be used more flexibly. Thus, the support can be rotated by approximately 180° about an axis extending through the corner and the rolling axis, and thereby switched between a Y arrangement and an inverted Y arrangement, while substantially not changing the position of the adjustment connector.

[0039] Other advantages and developments of the present utility model emerge from the following description of the drawings and all technical solutions. Description of the Drawings

[0040] Figure 1A is a view along the rolling axis of a preferred support in an inverted Y arrangement in a first adjustment configuration.

[0041] Figure 1B is a view along the rolling axis of a support in a Y arrangement in a first adjustment configuration from Figure 1A the support.

[0042] Figure 1C is a view along the rolling axis of a support in an inverted Y arrangement in a second adjustment configuration from Figure 1A the support.

[0043] Figure 1D is a view along the rolling axis of a support in a Y arrangement in a second adjustment configuration from Figure 1A the support.

[0044] Figure 2A is a perspective view of a support from a first perspective from Figure 1A the support.

[0045] Figure 2B Another perspective view of the bracket from the second perspective and from Figure 1A the bracket.

[0046] Figure 3A from Figure 1A the side view of the bracket, which shows the adjustment connector.

[0047] Figure 3B from Figure 1A the other side view of the bracket, which shows the side opposite to the adjustment connector. Detailed Description of the Invention

[0048] In the following description of the drawings, the same or corresponding elements have the same reference numerals, and the repeated description is largely avoided.

[0049] Figure 1A is a view along the rolling axis 19 extending in the Z direction of the preferred bracket 1 for rolling metal rods, wires or tubes. The bracket 1 includes a bracket housing 10, which in the embodiment shown herein has a regular hexagonal shape when viewed along the rolling axis 19. The outer part 12 of the bracket housing 10 has six side surfaces 14.1 to 14.6 of equal length, which are arranged in a rotationally symmetric manner around the rolling axis 19. The adjacent side surfaces 14.1 to 14.6 merge with each other in areas called corners 16.1 to 16.6. In this case, the corners 16.1 to 16.6 may be differently marked. It includes adjacent edges that merge with each other in the corners 16.1 to 16.6 between the adjacent side surfaces 14.1 to 14.6, and these edges may be sharp edges, but are preferably chamfered or rounded. Small intermediate surfaces between the adjacent side surfaces 14.1 to 14.6 are also possible in the sense of significantly wider chamfers, and are still understood as corners 16.1 to 16.6 in the context of the present utility model. The inlet side 15 of the bracket housing 10 (not shown in Figure 1A but shown in Figure 1B ) and Figure 1A the outlet side 13 shown in

[0050] The preferred bracket 1 is designed such that the inlet side 15 (not shown in Figure 1A ) is similar to Figure 1AThe outlet side 13 shown in [reference] is such that all features described below for the outlet side 13 are found at the same or corresponding positions on the opposite side of the support housing 10, as also shown below with reference to other figures.

[0051] The support 1 further comprises three rollers 20.1, 20.2, 20.3 which are arranged in a star shape around the rolling axis 19. The rollers 20.1 to 20.3 each define a plane of rotation which is at an angle of 120° to each other and intersects in the rolling axis 19. The planes of rotation of the rollers 20.1 to 20.3 are in each case arranged orthogonally to a pair of side surfaces 14.1 to 14.6 of the support housing 10. In the region of the rolling axis 19, the rollers 20.1 to 20.3 form an aperture 21 therebetween. The aperture 21 is in particular surrounded by the rolling surfaces 22 of each of the rollers 20.1 to 20.3, and the rolling surfaces 22 of the rollers 20.1 to 20 - 3 are formed as concave grooves centered along the periphery of the respective rollers 20.1 to 20.3 in order to provide a material to be rolled with an outer contour which is as round as possible. However, depending on the material to be rolled, the rolling surfaces 22 can also be designed differently, in particular as flat surfaces or convex surfaces. In Figure 1A it can be seen that the rollers 20.1 to 20.3 are arranged in an inverted Y arrangement, since the upper roller 20.1 is vertically positioned and the two remaining rollers 20.2, 20.3 are in each case positioned at an angle of 120° relative to the vertical orientation of the upper roller 20.1.

[0052] The rollers 20.1 to 20.3 are in each case fixedly positioned on roller shafts via which they are driven. The axes of rotation of the roller shafts extend in each case parallel to a pair of side surfaces 14.1, 14.4, 14.2, 14.5, 14.3, 14.6. Furthermore, the axes of rotation are arranged transversely to the rolling axis 19 and are arranged around said axis in a rotationally symmetric or star shape. Figure 1A The axis of rotation of the roller shaft of the upper roller 20.1 in [reference] is oriented in the X direction. The axes of rotation of the other two roller shafts are inclined by angles of 120° and 240° respectively relative to the axis of rotation of the upper roller shaft. In the roller shafts, in each case, Figure 1A only the drive - side ends 24.1, 24.2, 24.3 are shown in [reference], which project outwards at one of the side surfaces 14.2, 14.4, 14.6 of the support housing 10. Thus, the roller shafts can each be adjacent to an external drive which can thus transmit its rolling torque to the roller shafts via a coupling and thus to the rollers 20.1 to 20.3.

[0053] The roller shafts extend inside the support housing 10, in which there is also positioned an eccentric adjustment member (not shown) for adjusting the rollers 20.1 to 20.3 via their roller shafts. The eccentric adjustment member enables inFigure 1A In the X-Y plane, the spacing between the roller shafts can be changed and thus the spacing between the rollers 20.1 to 20.3 on the one hand and the rolling axis 19 on the other hand can be changed. Thus, for a constant caliber 21, different sizes of the caliber 21 can be set and the wear of the rollers 20.1 to 20.3 can also be compensated. The eccentric adjustment member forms an adjustment mechanism for the rollers 20.1 to 20.3.

[0054] The adjustment mechanism for the rollers 20.1 to 20.3 can be actuated from the outside because the adjustment connector 30 protruding to the outside near the corner 16.1 is rotated. In Figure 1A the embodiment shown, the adjustment connector 30 is designed such that it can be actuated manually as well as automatically by a motor. The adjustment connector 30 is preferably connected to a rotatably mounted gear shaft extending inside the support housing 10 and to a bevel gear meshing in a toothed section of an eccentric bushing of the eccentric adjustment member, and the eccentric bushing can in turn transmit the rotational movement transmitted to it via the bevel gear to the other two eccentric bushings and thus allow synchronous adjustment of the rollers. The adjustment mechanism is not shown in detail in Figure 1A outside the adjustment connector 30.

[0055] The adjustment connector 30 is positioned near the corner 16.1 and the gear shaft connected to the adjustment connector 30 extends parallel to Figure 1A the upper roller shaft in

[0056] i.e., in the X direction, and the drive side end 24.1 of the upper roller shaft protrudes outside the support housing 10 on the opposite side. The adjustment connector 30 is thus essentially positioned opposite the drive side end 24.1 of the roller shaft extending parallel to the gear shaft. This relative arrangement implies that the adjustment connector 30 is not covered by a roller motor arranged flush with the drive side end 24.1 of one of the roller shafts, because the drive side ends 24.2, 24.3 of the roller shafts adjacent to the adjustment connector 30 are each oriented approximately 60° up and down relative to the adjustment connector 30 and its gear shaft, creating a large free space between the motors coupled thereto, which allows free access to the adjustment connector 30. Figure 1A In Figure 1A the adjustment connector 30 is arranged near the corner 16.1 and is offset slightly upwards relative to the imaginary horizontal center plane of the support housing 10. In this case, the spacing along Figure 1A the Y axis between the adjustment connector 30 and the center plane extending parallel to the gear shaft (i.e., in the

[0057] Figure 1AShow three mounting elements 26.1, 26.2, 26.3 for a guide for the material to be rolled ( Figure 1A not shown in). The guide can be mounted on the outlet side 13 of the support housing 10, which is shown in Figure 1A . The mounting elements 26.1, 26.2, 26.3 can also be arranged on the inlet side 15 (not visible in Figure 1A ) such that a guide for the material to be rolled can be mounted there.

[0058] The guide for the material to be rolled can be, for example, a roller guide, in particular the roller guide 60, as shown by way of example in Figure 1B , or can be a funnel guide. The mounting elements 26.1, 26.2, 26.3 are positioned in a star shape around the rolling axis 19 and in each case opposite one of the rollers 20.1, 20.2, 20.3 with respect to the rolling axis 19. The three mounting elements 26.1, 26.2, 26.3 are arranged around the rolling axis 19 at an angular spacing of 120° in each case.

[0059] In addition, three coupling element clamping areas 50.1, 50.2, 50.6 are arranged on the outlet side 13 of the support housing 10 shown in Figure 1A , in the adjacent corners 16.1, 16.2, 16.6 of the support housing 10. The coupling element clamping areas 50.1, 50.2, 50.6 are delimited in each case by two clamping rails 52. The three adjacent corners 16.1, 16.2, 16.6 in which the coupling element clamping areas 50.1, 50.2, 50.6 are arranged are the corner 16.1 in which the adjustment connector 30 is also arranged and the two adjacent corners 16.2, 16.6 thereto. The coupling element clamping areas 50.1, 50.2, 50.6 are used to firmly fasten the roller guide adjustment connector 64 (not shown in Figure 1A but shown in Figure 1B ) to the support housing 10. This relative arrangement of the coupling element clamping areas 50.1, 50.2, 50.6 in the corner 16.1 of the adjustment connector 30 and the two corners 16.2, 16.6 around these enables the arrangement and configuration of the support 1 to be combined with the roller guide and thus makes possible a particular flexibility of the entire system consisting of the support 1 and the roller guide.

[0060] Figure 1AThe display support housing 10 includes four slide rails 40.2, 40.3, 40.4, 40.5 on the outlet side 13, which are arranged parallel to four adjacent side surfaces 14.2, 14.3, 14.4, 14.5. The slide rails 40.2 to 40.5 are adjacent to each other and extend along the periphery of the hexagonal support housing 10 from the corner 16.2 including the coupling member clamping area 50.2 to the corner 16.6 including the coupling member clamping area 50.6. In Figure 1A In the description of, the slide rails 40.2 to 40.5 are not arranged on the side surfaces 14.2 to 14.5, but are offset inward in the direction of the rolling axis 19. The slide rails 40.2 to 40.5 form sliding surfaces that extend on the one hand along the side surfaces 14.2 to 14.5 in the peripheral direction and on the other hand outward from the paper plane parallel to the rolling axis 19 and the side surfaces 14.1 to 14.6, that is, in Figure 1A the Z direction in. Therefore, the slide rails 40.2 to 40.5 can be used as contact surfaces in four orientations of the support 1 and are particularly intended to facilitate the reception of the support 1 in a support base (not shown), since the support 1 can be pushed into the support base on the slide rails 40.2 to 40.5, and in this case the slide rails 40.2 to 40.5 can also be used as sealing elements. On the opposite inlet side 15 ( Figure 1A not shown in), the four slide rails 40.2 to 40.5 are also positioned opposite the shown slide rails 40.2 to 40.5 such that in each case a pair of slide rails 40.2 to 40.5 on opposite sides can be used to stably mount the support 1 in the support base.

[0061] The support 1 further includes Figure 1A three water outlets 42.1, 42.2, 42.3 on the outlet side 13 shown in. Thus, for example, cooling water intended for a roller guide can be introduced into the support housing 10 at one of the side surfaces 14.1, 14.3, 14.5 through a water inlet ( Figure 1A not shown in), guided through the support housing 10 and led out through one of the water outlets 42.1, 42.2, 42.3, and fed from there to the roller guide.

[0062] In addition, on Figure 1A the outlet side 13 shown in and the inlet side 15 (not shown in this figure), a total of five clamping points 44.2, 44.3, 44.4, 44.5, 44.6 are positioned in the corners 16.2, 16.3, 16.4, 16.5, 16.6 of the side surfaces 14 that define the sides along which the slide rails 40.2, 40.3, 40.4, 40.5 are arranged, and the clamping points can absorb the clamping force from the support base for fixing the support 1.

[0063] Figure 1B The display shows that it can be relative toFigure 1A The orientation of the stand 1 is presented by the position obtained by tilting the stand 1 by approximately 180° about a horizontal axis K (i.e., extending in the X direction) from Figure 1A the stand 1. Thus, Figure 1B is a rear view of the stand 1 according to Figure 1A which shows the inlet side 15. In this position of the stand 1, contrary to the position illustrated in Figure 1A , the rollers 20.1 to 20.3 are arranged in a Y arrangement.

[0064] The roller axes are displaced in parallel with respect to the position of the stand 1 from Figure 1A the stand 1, and thus their drive-side ends 24.1 to 24.3 project outside the stand housing 10 in the same direction but in different positions, in particular mirror-imaged at the respective corners 16.2, 16.4, 16.6. Thus, due to the above-mentioned tilt, the stand 1 shown allows use in a rolling mill with both a Y arrangement and an inverted Y arrangement of the rollers 20.1 to 20.3 in the same stand base, with only a translational displacement of the drive-side ends 24.1 to 24.3 of the roller axes. This allows a high degree of flexibility in the use of the stand 1 in a compact rolling mill. The rolling drives coupled to the drive-side ends 24.1 to 24.3 of the roller axes in the two positions of the stand 1 can be arranged on the same side of the rolling axis 19 for each stand position with an alternating Y arrangement and inverted Y arrangement, which results in a relatively small space requirement for the entire rolling mill.

[0065] Due to the tilt about the axis K, the adjustment connector 30 remains arranged near the corner 16.1 of the stand housing 10. It is arranged in a manner slightly offset downward with respect to the horizontal central plane of the stand housing 10, in particular mirror-imaged at the corner 16.1. However, also in this position of the stand 1, i.e., in the Y arrangement, the adjustment connector 30 can be easily reached from the same side and is thus particularly suitable for efficient manual operation of the stand 1 in the vicinity of the eccentric adjustment member.

[0066] Figure 1B The roller guide 60 is further shown, which is fastened to the stand housing 10 via mounting elements 26.1 to 26.3, which have been described above with reference to Figure 1A and which are also present on the inlet side 15 of the stand housing 10 shown in Figure 1B . The roller guide 60 is also adjustable, since the rollers of the roller guide 60 can be positioned closer to or farther away from the rolling axis 19 by means of a roller adjustment mechanism. For the roller adjustment mechanism, the roller guide 60 is connected via a universal joint 62 to a roller adjustment connector 64, via which a torque can be applied to the roller adjustment mechanism.

[0067] The roller adjusting connector 64 is attached to the coupling holding area 50.1 on the bracket 1 and the associated holding rail 52. Due to the arrangement of the mounting elements 26.1 to 26.3 and the coupling holding areas 50.1, 50.2, 50.6 on the bracket housing 10, the roller guide 60 can be firmly, precisely and quickly attached to the bracket housing 10.

[0068] In addition, the water pipeline 66 of the roller guide 60 is visible Figure 1B in. The water pipeline 66 is connected to the water outlet 42.3, and the cooling water for the guide rollers of the roller guide 60 leaves the bracket 10 through the water outlet 42.3. When the bracket is received in the bracket base and connected to the water connector of the bracket base, the cooling water is fed into the bracket 10 through the water inlet 43.3 ( Figure 1B not shown in).

[0069] Figure 1C Shown in a position rotated approximately 120° clockwise about the rolling axis 19 relative to the position from Figure 1A is the preferred bracket 1 from Figure 1A . Due to the geometry of the bracket 1, the rollers 20.1 to 20.3 are oriented in the same inverted Y arrangement as in the position shown Figure 1A , and the three drive side ends 24.1 to 24.3 also extend in the same direction and are located at the same positions such that they can be coupled to an external motor for applying the rolling torque in the same manner as in the position from Figure 1A . However, compared with Figure 1A , the adjusting connector 30 is arranged to rotate approximately 120° clockwise.

[0070] This arrangement is preferably used for remotely adjusting the adjusting mechanism of the rollers 20.1 to 20.3 by an external motor. The positioning of the adjusting connector 30 in the position of the bracket 1 shown Figure 1C is such that the external adjusting coupling of the external adjusting motor can engage with the adjusting connector 30 in the bracket base (not shown) and actuate the adjusting connector 30 to adjust the rollers 20.1 to 20.3. This is different from the situation in the positions shown Figure 1A and 1B .

[0071] The bracket 1 must be able to be pushed into and pulled out of the bracket base transversely to the rolling axis 19 in order to be able to be repaired quickly. This requirement in turn means that the bracket in Figures 1A to 1D must be pushed to the right into the bracket base in order to drive the vertical roller 20.1 in Figure 1A and 1B or Figure 1C and 1DThe rolling motors of 20.2 can engage with the corresponding drive side ends 24.1 and 24.2 respectively, because the rolling motors of the rollers 20.1 are arranged on the right side next to the rolling axis 19 in Figure 1A and 1B and for 20.2, are arranged on the right side next to the rolling axis 19 in Figure 1C and 1D so as to be coupled to the drive side ends 24.1 and 24.2 respectively.

[0072] This in turn means that in Figures 1A to 1D , no external adjustment motor can be positioned on the left side close to the rolling axis 19 and thus also close to the left side of the support 1, that is, in front of the rolling axis 19 in the insertion direction. Therefore, the positions from Figure 1A and 1B are configured for manual adjustment, that is, the adjustment connector 30 is actuated by a person, and in this configuration, the adjustment connector 30 cannot be actuated by an automatic remote adjustment member or can only be actuated with excessive effort. The positions from Figure 1C and 1D , where the adjustment connector is positioned behind the rolling axis 19 in the insertion direction, are configured for remote adjustment, that is, the adjustment connector 30 is actuated by means of an external motor.

[0073] In the position of the support 1 shown in Figure 1C , the support is positioned on the slide rail 40.4, and the roller 20.2 is a roller with a vertical rotation plane, and the coupling clamping area 50.6 is positioned next to the rolling axis 19 in the horizontal direction.

[0074] Figure 1D Shows the preferred support in the configuration from Figure 1C (that is, the configuration with remote adjustment of the adjustment connector 30 in the upper right corner). The position of the support 1 in Figure 1D can be presented relative to the position in Figure 1C by tilting the support 1 by about 180° around an axis K that is inclined by about 120° relative to the horizontal and thus also by 60°, and this axis extends through the corners 16.1 and 16.4. Similar to the transition between the position of the support 1 from Figure 1A and the position of the support 1 from Figure 1B , a tilt of about 180° around the axis K also occurs after the transition between the position of the support 1 from Figure 1C and the position of the support 1 from Figure 1D , and this axis extends substantially parallel to the gear shaft of the adjustment connector 30. Therefore, after this tilt, the orientation of the adjustment connector 30 does not change, and the rollers 20.1 to 20.3 change from the inverted Y arrangement shown in Figure 1C to Figure 1DThe Y-arrangement shown, and vice versa.

[0075] Figure 1D As with Figure 1B the entrance side 15 of the support 1 is shown. Also as in Figure 1B a roller guide 60 comprising a cardan shaft 62 and a roller adjustment connector 64 is attached to the support housing 10 via clamping rails 52 by means of mounting elements 26.1, 26.2, 26.3 and a coupling clamping area 50.2.

[0076] In Figure 1D the position of the support 1 shown, the support is positioned on a slide rail 40.3, and the roller 20.3 is a roller with a vertical plane of rotation, and the coupling clamping area 50.2 is positioned horizontally next to the rolling axis 19.

[0077] Due to the hexagonal shape of the support housing 10, the support 1 can be arranged in Figures 1A to 1D the four positions shown, all of which are compatible with a similar arrangement of the rolling motor in a rolling mill with a support base. Thus, both a Y-arrangement and an inverted Y-arrangement of the rollers can be presented, and also two different configurations in the sense of different orientations and arrangements of the adjustment connector 30, one for manual adjustment and one for remote adjustment. In the case of known square support housings, this flexibility is not achieved because these are firmly seated and can only be displaced on or along one side surface of the support housing, which fixes the orientation of the adjustment connector in a constant orientation of the rolling motor.

[0078] Figure 2A is a perspective view of the entrance side 15 of the preferred support 1, in which three rollers 20.1, 20.2, 20.3 are arranged in an inverted Y-arrangement, and the adjustment connector 30 of the eccentric adjustment member is horizontally oriented to the side.

[0079] Recesses and drill holes are visible along the exterior 12 of the support housing 10, which are provided for receiving the roller shafts (in Figure 2A only the drive-side end 24.2 of the roller shaft belonging to the roller 20.2 is directly recognizable) and the adjustment connector 30. Furthermore, it can be seen that a clamping point 44.6 on the entrance side 15 facing the viewer is bolted to a relative clamping point 44.6 on the exit side 13, such that the clamping force applied to the clamping point 44.6 can be conducted directly and stably between the clamping points 44.6 in order to fix the support 1 in its support housing without severely deforming or even damaging sensitive components of the support housing 10 due to the introduction of excessive local forces. The clamping points 44.2 to 44.5 are designed and connected to each other in the same way.

[0080] As with Figure 2A and Figure 2BShowing the inlet side 15 of the support 1 from a perspective different from that of Figure 2A where the drive-side end 24.1 of the roller shaft of the roller 20.1 is visible.

[0081] Figure 3A and 3B are each side views of the support, where three rollers are oriented in an inverted Y arrangement. Figure 3A Showing the corner 16.1 and the side surfaces 14.1 and 14.6, as well as the adjustment connector 30 and the drive-side ends 24.2 and 24.3 of the roller shafts of the rollers 20.2 and 20.3.

[0082] Figure 3A Further showing two water inlets 43.2, which can be connected to the water connection in the support base to receive water in the support housing 10 and discharge it via the water outlet 42.2, for example, to feed it into the water pipeline 66 of the roller guide 60. In Figure 3A it is also visible next to the drive-side end 24.2 an air connection 41.2, via which compressed air can be fed into the support housing 10 to protect the interior of the support housing 10 (in particular the gearbox components located therein, such as the eccentric adjustment member) from water ingress by overpressure.

[0083] Figure 3B Showing the corner 16.4 opposite to the corner 16.1 from Figure 3A and the side surfaces 14.3 and 14.4 opposite to the side surfaces 14.1 and 14.6. In addition, the slide rails 40.3 and 40.4 on both the inlet side 15 and the outlet side 13 are visible. In Figure 3B the perspective view, the drive-side end 42.1 of the roller shaft of the roller 20.1 is visible at the end face, and also showing an air connection 41.1 and two water inlets 43.3.

[0084] List of reference numerals

[0085] 1 Support

[0086] 10 Support housing

[0087] 12 Exterior

[0088] 13 Outlet side

[0089] 14.1, 14.2, 14.3, 14.4, 14.5, 14.6 Side surfaces

[0090] 15 Inlet side

[0091] 16.1, 16.2, 16.3, 16.4, 16.5, 16.6 Corners

[0092] 19 Rolling axis

[0093] Rollers 20.1, 20.2, 20.3

[0094] Caliber 21

[0095] Rolled surface 22

[0096] Drive side ends 24.1, 24.2, 24.3

[0097] Mounting elements 26.1, 26.2, 26.3

[0098] Adjustment connector 30

[0099] Slide rails 40.2, 40.3, 40.4, 40.5

[0100] Air connectors 41.1, 41.2, 41.3

[0101] Outlet ports 42.1, 42.2, 42.3

[0102] Water inlet ports 43.1, 43.2, 43.3

[0103] Clamping points 44.2, 44.3, 44.4, 44.5, 44.6

[0104] Coupling element clamping areas 50.1, 50.2, 50.6

[0105] Clamping rail 52

[0106] Roller guide 60

[0107] Cardan shaft 62

[0108] Roller adjustment connector 64

[0109] Water pipeline 66

[0110] K is the tilting axis for shifting between the Y - arrangement and the inverted Y - arrangement.

Claims

1. A support for rolling a metal rod, wire or tube along a rolling axis, characterized in that The bracket comprises: Three rollers, each of which is positioned on a roller shaft and forms a caliber in a star shape around the rolling axis; A bracket housing having an exterior which, when viewed along the rolling axis, includes at least six side surfaces arranged to rotate about the rolling axis by approximately 60° in each case and two end faces opposite each other, wherein the side surfaces together form a regular hexagon at least in a virtual extension; A roller guide attached to one of the end faces of the bracket housing and including a universal shaft, wherein the universal shaft includes a roller adjustment connector via which the roller guide can be adjusted centrally and which is attached to the bracket housing at a corner of the hexagon.

2. The bracket according to claim 1, wherein The bracket housing includes at least a pair of coupling member clamping areas arranged at a corner of the hexagon to which the roller adjustment connector is attached, wherein one coupling member clamping area of the pair is arranged on one of the end faces and the other coupling member clamping area of the pair is arranged on the other of the end faces.

3. The bracket according to claim 2, wherein The bracket comprises two pairs of coupling member clamping areas, one pair being arranged at a corner of the hexagon and the other pair being arranged at a corner of the hexagon rotated about the rolling axis by approximately 120°, wherein the roller adjustment connector is attached to one of the pairs.

4. The bracket according to claim 2 or claim 3, characterized in that The bracket comprises three pairs of coupling member clamping areas, one pair being arranged at a corner of the hexagon and two pairs being arranged at the adjacent corners, wherein the roller adjustment connector is attached to one of the pairs.

5. The bracket according to any one of claims 1 to 3, characterized in that The bracket housing includes at least one operating material connector on the end face, and wherein the roller guide includes an operating material pipeline connected to the operating material connector on the bracket housing.

6. The bracket according to any one of claims 1 to 3, characterized in that The bracket further includes an adjustment connector for introducing an adjustment torque to adjust the radial position of the roller shaft for setting the caliber, in particular a remote adjustment connector.

7. The bracket according to claim 6, wherein The adjustment connector is arranged on the exterior of the bracket housing at one of the corners of the regular hexagon.

8. The bracket according to claim 6, wherein The adjustment connector can be actuated manually, or the remote adjustment connector can be automatically actuated by a motor.

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