Device and method for separating a tubular component section

Abstract

Device (1) for separating a substantially tubular component section (300) arranged substantially transversely to at least one wall (200), comprising at least one rotary device (2) which has at least one axis of rotation (3), and at least one separating device (4) comprising at least one separating element (5) arranged substantially transversely to the axis of rotation (3), wherein the separating device (4) is displaceable at least substantially transversely to the axis of rotation (3), and at least one depth stop device (6), wherein the depth stop device (6) has at least one contact surface (7) with the wall (200), wherein at least one distance (8) from at least one cutting edge (9) of the separating element (5) to the wall (200) or to the contact surface (7) is set and / or adjustable, characterized in that that the rotary device (2) is at least partially axially displaceable relative to the depth stop device (6), and that a displacement of the separating device (4) is coupled to a displacement of the rotary device (2).

Description

[0001] The present invention relates to a device for cutting, trimming, or separating at least one tubular component section, which is arranged at least partially substantially transversely to a wall. The device comprises at least one rotary device with at least one axis of rotation. Furthermore, at least one cutting device is provided, which includes at least one cutting element. The cutting device is displaceable at least substantially transversely to the axis of rotation. Additionally, at least one depth stop device is provided. The present invention also relates to a method for separating a tubular component section with such a device.

[0002] The tubular component section is essentially cut, separated, and / or cut to length by the device. In the following, the term "cutting off" and "severing" are used synonymously for one of the possible separation methods or processes, in particular cutting to length or separating.

[0003] Cutting off tubular component sections that are at least partially arranged essentially perpendicular to a wall is used, for example, in plumbing. A pipe section protruding from a wall must be cut, shortened, or separated, for example, for plumbing installations, especially when installing concealed fittings.

[0004] When concealed fittings are professionally installed in bathrooms, they are first positioned within and / or behind the wall. A tubular section of the component protrudes through the wall, for example, into the bathroom, shower, and / or bathtub, or is located in close proximity to them. After the concealed fitting is installed, the wall is preferably closed off, plastered, and tiled.

[0005] In one of the final steps, the tubular component section that is positioned perpendicular to or protruding from the wall must be cut off. The tubular component section should be cut in such a way that a small overhang of, for example, approximately 0.5 cm remains between the tubular component section and the wall or the finished surface.

[0006] The overhang ensures that water running down the wall or from the fixture, for example during showering, does not come into direct contact with the wall material beneath the tiles, preventing the water from seeping, soaking in, or dripping into the wall. Soaking or dripping into the wall can lead to serious water damage in the long run, resulting in significant costs for insurance companies.

[0007] Various methods and devices for adjusting the length of tubular components, such as pipes, are known from the prior art, for example, from DE 32 40 918 A1. However, the possibility of shortening a pipe, a base body, or the like at a specific distance from the wall surface is lacking.

[0008] In practice, the base of a concealed fitting is therefore often cut off by hand using a utility knife and / or a metal saw blade. The distance is measured and marked manually for this purpose.

[0009] The main disadvantage here is that the accuracy of the installation depends heavily on the installer's skill and concentration. In practice, it frequently happens that the tubular component section is only cut off along part of its circumference. The remaining portion of the material is usually bent and broken off. Particularly at the bottom, the tubular section often doesn't protrude sufficiently from the wall. Consequently, water running down the fitting is no longer effectively prevented from contacting the wall and the opening. The water can then seep into the wall or drip in.

[0010] The object of the present invention is therefore to provide a way to facilitate the professional installation, in particular of concealed fittings, and in particular to minimize the risk of water damage and preferably damage to surrounding objects.

[0011] The problem is solved by a device having the features of claim 1 and a method having the features of claim 13. Preferred embodiments and configurations of the invention will become apparent from the general description and the description of exemplary embodiments.

[0012] The device according to the invention serves for separating, cutting to length, or trimming a component section that is arranged substantially transversely to at least one wall and is substantially tubular. The device comprises at least one rotary device having at least one axis of rotation. Furthermore, a cutting device is provided, comprising at least one cutting element arranged substantially transversely to the axis of rotation and displaceable substantially transversely to the axis of rotation. Additionally, a depth stop device is provided, which has at least one contact surface with or for the wall, wherein at least one distance of at least one cutting edge of the cutting element to the wall or to the contact surface is set or adjustable. The rotary device is at least partially axially displaceable relative to the depth stop device (and in particular, displaceable along the axis of rotation).A relocation of the separating device is at least partially linked to a relocation of the rotary device.

[0013] The tubular component section is formed, in particular, at least partially by at least one section of the base body of a concealed fitting. The tubular component section can also be arranged, in particular, at least partially and / or sectionally on and / or encompassed by a differently designed component.

[0014] Preferably, the tubular component section can also be formed by a pipe section or a pipe. These are each at least partially arranged on the wall and / or, in particular, at least partially passed through the wall and / or preferably arranged substantially transversely to the wall.

[0015] The tubular component section is made, at least partially and / or in sections, of materials such as hard plastic, soft plastic, plastic, metal, glass, wood, and / or a composite material. This list is not exhaustive. Other materials are also acceptable, even if not explicitly mentioned here.

[0016] The tubular component section has a wall thickness of approximately 1 mm, which is particularly uniform. However, the wall thickness can also preferably be between 0.1 mm and 5 mm. Specifically, the wall thickness can preferably be approximately 0.1 mm, 0.2 mm, 0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, or approximately 1 mm. The wall thickness can also preferably be approximately 2 mm, 3 mm, 4 mm, 6 mm, 7 mm, 8 mm, 9 mm, or 10 mm. All individual values ​​between the aforementioned values ​​are also advantageously achievable, even if not explicitly mentioned.

[0017] The tubular component section has, in particular, a circular cross-section with a diameter of approximately 14 cm. The cross-section of the tubular component section can be circular, elliptical, rectangular, triangular, and / or polygonal, at least partially and / or in sections. The maximum diameter of the tubular component section is, in particular, between 1 cm and 30 cm. Specifically, the diameter of the tubular component section can also be 2 cm, 3 cm, 4 cm, 5 cm, 6 cm, 7 cm, 8 cm, 9 cm, 10 cm, 11 cm, 12 cm, 13 cm, 15 cm, 16 cm, 17 cm, 18 cm, 19 cm, 20 cm, 21 cm, 22 cm, 23 cm, 24 cm, 25 cm, 26 cm, 27 cm, 28 cm, or even 29 cm. In special cases, the diameter of the tubular component section can also be at least 60 cm.

[0018] The wall is formed, in particular, by at least one wall of a room or at least one section of a room, preferably a bathroom or sanitary area. The wall itself comprises, in particular, at least sections and / or at least partially, several layers and / or parts and / or components. The wall and / or at least one layer and / or part and / or component may, at least sections and / or at least partially, comprise gypsum board or gypsum concrete, concrete, plaster, tiles, metal, wood, composite material, glass, stone, mortar, clay, wallpaper, paint, and / or gypsum. This list is not exhaustive and serves here solely as an indication of the wall materials in which the tubular component may be incorporated.

[0019] In particular, the wall is constructed at least partially and / or in sections as a concrete wall, a masonry wall with joints, a brick wall, a masonry wall without significant joints, a drywall partition, a drywall partition, and / or a wooden wall. This list is not exhaustive. It merely serves as an indication of the types of construction the wall may have, at least partially and / or in sections.

[0020] Furthermore, the wall can also be, expediently, at least a component of an object that is at least partially relocatable or movable. This object can, in particular, be formed by (another) part of a fitting, primarily from the sanitary sector, and / or also by a plate and / or also by a housing, and / or at least comprise and / or be enclosed by such a housing.

[0021] The wall is primarily designed to be at least partially and / or sectionally flat, planar, and / or straight. However, in suitable design variations, the wall may also be at least partially and / or sectionally uneven, curved, bent, sloping, have undercuts, be free-formed, and / or otherwise designed and / or constructed. The list provided here is not exhaustive. It serves to illustrate preferred wall designs and their form characteristics.

[0022] The wall has a smooth surface. However, in certain designs, the surface texture of the wall may also be uneven, at least partially and / or in sections, with joints, rough, fissured, or with open and / or closed pores.

[0023] In particular, the device can also be advantageously used in conjunction with other body shapes, such as blocks, cylinders, spheres, or free-form bodies. The decisive factor here is solely that at least one tubular component section is arranged substantially transversely on the body and / or, in particular, passes at least partially and / or sectionally through its surface.

[0024] The tubular component section is arranged essentially transversely to the wall. In particular, the tubular component section can also be arranged at at least one acute and / or obtuse and / or even a blunt angle to at least one local surface normal of the wall. The description of the arrangement is limited here to the tubular component section that is to be cut off. The formation of any other and / or further component sections connected to it remains unaffected.

[0025] A particularly preferably free end of the tubular component section is expediently not in contact with the device in order to advantageously avoid a double fit. However, in a particular embodiment, it is possible for the tubular component section to at least partially touch the device and / or form at least some contact with the tubular component section.

[0026] The device is used to cut, shorten, or separate the tubular component section. The invention, i.e., the device, specifically encompasses all cutting processes with and / or without chip formation.

[0027] In order for the tubular component section to be separated, cut to length or cut off, the tubular component section preferably has at least one opening into which at least the cutting device can be inserted at least section by section.

[0028] Various designs of the separating device, the separating element and the cutting edge can be advantageously implemented for this purpose.

[0029] The device can be used, in particular, to at least partially and / or section by section cut off, saw off, file down, grind down, and / or thermally separate the tubular component section. Here, the device can also operate thermally or chemically, for example, by using a gas flame.

[0030] The rotary device advantageously comprises at least one shaft unit. The shaft unit comprises at least one shaft and / or at least one axle. The shaft and / or the axle are preferably rotatable about the axis of rotation. The rotary device particularly comprises at least one sleeve unit. Advantageously, the sleeve unit comprises at least one sleeve. In particular, the sleeve unit is arranged and / or received at least partially on the shaft unit. Advantageously, the shaft unit is displaceable relative to the sleeve unit. The rotary device may, in particular, comprise various shaped elements, such as a stop.

[0031] Preferably, the rotary device is manufactured at least partially from solid material. This has the particular advantage that the rotary device can exhibit a particularly high section modulus against bending and torsion. In another suitable embodiment, the rotary device is designed at least partially as a hollow body. Advantageously, in this case, the rotary device preferably has a low weight combined with high stiffness.

[0032] The rotating device advantageously has a length of approximately 30 cm. The rotating device can also advantageously have a length of at least 10 cm to at least 50 cm, and particularly preferably up to 100 cm. Specifically, in suitable embodiments, the length of the rotating device can also be 5 cm, 15 cm, 20 cm, 25 cm, 35 cm, 40 cm, 45 cm, or even 55 cm. All individual values ​​between the aforementioned lengths are also feasible, even if they are not explicitly mentioned here.

[0033] Between the rotary device and / or depth stop device and / or the separating device, at least one bearing can be provided, which advantageously enables particularly low-friction relative displacement. The bearing is expediently preferably designed at least partially and / or sectionally as at least one rolling bearing and / or at least one sliding bearing. Combinations of both bearing types are also expediently usable.

[0034] A separating device preferably comprises at least one separating element, which in turn particularly preferably comprises at least one cutting edge.

[0035] The separating device preferably comprises, in addition to at least one separating element, further elements which, depending on the design, can perform advantageous functions. For example, the separating device preferably includes at least one fastening element, particularly for each separating element. The fastening element advantageously serves, for instance, to at least partially fix the position of the separating element and thus also of the cutting edge. This list is not exhaustive. The separating device may also expediently include further elements, even if these are not explicitly listed.

[0036] The contact surface of the depth stop device can, in particular, comprise at least several partial contact surfaces. The depth stop device can preferably also be ideally designed such that it forms at least one point of contact with the wall.

[0037] The distance between the cutting edge of the separating element and the wall can be positive or negative. A negative distance describes the case where the cutting edge is located inside the wall, or where the tubular component section is cut within the wall. In this case, the tubular component section is cut within the wall. After cutting, the tubular component section does not protrude from the wall. Therefore, a positive distance results. The positive distance typically takes values ​​between 0.1 and 1 cm. Specifically, the positive distance can also be 0.2 cm, 0.3 cm, 0.4 cm, 0.5 cm, 0.6 cm, 0.7 cm, 0.8 cm, or even 0.9 cm. In intended use, a positive distance of approximately 0.5 cm is advantageous. A distance of 0 cm is also particularly suitable. However, it can also take on significantly larger values, preferably at least 2 cm, 3 cm, 4 cm, 5 cm, 6 cm, 7 cm, 8 cm, 9 cm or even 10 cm.In a suitably advantageous embodiment, the distance can also be at least up to 20 cm. All intermediate values ​​within the specified range are also included in the claim and are feasible according to the invention, even if not explicitly mentioned here. The values ​​and intervals mentioned here also apply analogously to negative distances.

[0038] Preferably, the depth stop device is designed to allow for multiple distances. For this purpose, the geometry of the depth stop device can be advantageously shaped to provide several partial contact surfaces at relative intervals. By rotating, tilting, and / or otherwise modifying the arrangement of the depth stop device, the partial contact area, and thus the distance, can be varied particularly advantageously and quickly.

[0039] The device is preferably made and / or manufactured at least partially from materials that are at least partially recyclable, such as plastics. Advantageously, the device is made at least partially from PET or a similar plastic, and particularly from at least one thermoplastic. For this purpose, the structural design of the device is advantageously adapted to ensure sufficient resistance of the individual components and elements to deformation. In particular, at least the rotary device and / or the depth stop device are manufactured using a 3D printing process. This makes the device particularly cost-effective to manufacture for single use or as a disposable item.

[0040] In particular, the device may preferably also be made at least partially and / or section by section from metal, wood and / or a composite material.

[0041] The device according to the invention offers many advantages. A significant advantage is that it enables uniform cutting with a homogeneous cut pattern across the entire circumference, without damaging the tubular component section or resulting in an unclean finish due to breakage or tearing. The distance of the cutting edge relative to the wall is advantageously adjustable and / or at least predefined. This allows for a particularly advantageous positive overhang.

[0042] The cutting process can be carried out advantageously and reproducibly using this device. A particularly advantageous feature is the uniform and clean cut edge across the entire circumference of the tubular component section at the specified distance.

[0043] Cutting with this device is particularly independent of the operator's skill. This effectively prevents potential damage to surrounding surfaces, such as tiles. The tubular component section can be cut at a predetermined distance from the wall, which is advantageous.

[0044] The risk of water dripping or seeping in and resulting water damage is significantly reduced, or, in particular, advantageously even completely eliminated.

[0045] Preferably, the device includes at least one adjusting element to adjust the distance between the cutting edge of the separating element and the contact surface of the depth stop device at least partially and / or section by section.

[0046] The adjusting element advantageously serves to position, fix, and / or adjust the contact surface of the depth stop relative to the cutting edge of the separating element. In particular, two or more adjusting elements with different thicknesses are provided. The thickness of an adjusting element is advantageously between 0.1 mm and approximately 5 mm. Furthermore, the thickness of at least one adjusting element can also be up to 1 cm or more. This allows for a large number of distances to be achieved with a small number of, for example, 3 or 5 adjusting elements. More adjusting elements can also be used. In particular, the adjusting elements each have different thicknesses.

[0047] For this purpose, the depth stop device is particularly preferably arranged in a way that is at least partially movable on the rotary device and / or at least partially movable on the cutting device.

[0048] The depth stop device mounted on the wall can thus be advantageously used as a reference for the distance. The relatively axially displaceable rotary device allows the cutting devices to be brought into engagement with the tubular component section to be cut off.

[0049] Preferably, the separating device and / or the rotary device and the depth stop device each have at least one axial stop. The depth stop device is preferably supported at least partially by the rotary device via the stop. For example, the stop can be formed by a retaining ring. The axial stop of the rotary device advantageously limits an axially displaceable path or defines the, in particular maximum, distance. The distance can be advantageously adjusted by an arrangement of several adjusting elements.

[0050] In a particularly advantageous embodiment, the adjusting element is designed as at least one washer and / or at least one clip, each of which has at least a defined thickness. The adjusting element is particularly preferably arranged at least partially between the stops, so that the axial travel is reduced or the distance is increased.

[0051] The thickness of at least one adjusting element is particularly preferably variable, or preferably several adjusting elements with different thicknesses are present.

[0052] The advantage is that the distance can be adjusted robustly, safely, and / or quickly. The adjustment can be made particularly conveniently without special tools, for example, directly on a construction site or at a work location.

[0053] Other mechanisms and / or mechanics and / or mechanical arrangements to arrange the individual devices and / or at least the cutting edge relative to each other are also preferably usable.

[0054] The adjusting element can be designed, in particular, as a force-fit connection, specifically as at least one clamping element and / or at least one friction element. Furthermore, other positive-locking mechanisms for the adjusting element are also possible. For example, in a particularly advantageous embodiment, the adjusting element can be designed as at least one tongue-and-groove connection, as at least one spring-loaded bolt engaging in recesses, and / or as at least one threaded screw with at least several threaded bores. This list is not exhaustive and serves only as an indication of the preferred embodiments.

[0055] Preferably, the depth stop device comprises at least the cutting device and / or at least the cutting element and / or at least the cutting edge at least partially and / or at least sectionally.

[0056] For this purpose, the depth stop device has at least one support arm. It is particularly advantageous for the depth stop device to be designed as at least a bipod with two support arms, or as a tripod with three support arms. It is also particularly useful for the depth stop device to include more than three support arms. In this case, each support arm has at least a partial contact surface with the wall.

[0057] In particular, the support arm is designed with at least multiple sections and variable length. Advantageously, at least one locking element is provided.

[0058] With an increasing number of support arms, the force transmission and the support of the device against the wall are particularly improved. This also effectively enhances the rigidity of the device and the dimensional accuracy achievable during cutting.

[0059] Preferably, at least one safety device is provided, which is preferably at least partially and, in particular, completely provided by the depth stop device. In this way, the depth stop device can preferably simultaneously assume a safety function, at least partially. A large number of support arms can advantageously completely enclose at least the separating elements and / or at least the cutting edge in such a way that the operator cannot come into direct contact with at least the separating element and / or at least the cutting edge and injure themselves. The risk of injury is advantageously minimized and / or eliminated. If the safety device is provided separately from the depth stop device, other components can also be advantageously used to prevent direct access to the separating elements, especially during operation.

[0060] In a particularly preferred embodiment, the maximum diameter of the depth stop device is at least partially variable and / or adjustable.

[0061] This allows for the advantageously variable use of the depth stop device for tubular component sections with different dimensions and / or other geometric restrictions, such as another component located nearby. By adapting the maximum diameter to the diameter of the existing tubular component section, the shortest possible force transmission is achieved. This particularly promotes a high degree of achievable cutting accuracy.

[0062] Furthermore, the device with its variable maximum diameter is advantageously space-saving for transport.

[0063] The depth stop device is particularly preferably designed in a cup shape, at least in sections or partially, and especially completely.

[0064] Advantageously, the depth stop device encloses at least the cutting device and / or part of the rotating device and / or, in particular, at least the cutting element and / or at least the cutting edge, at least partially and, in particular, completely, in the form of a cup and / or a pot. This preferably and effectively eliminates the risk of injury to the operator.

[0065] The contact surface of the cup-shaped depth stop is advantageously designed as at least a circular annular surface extending completely around the entire circumference. This provides a short force transmission path with a large supporting contact area.

[0066] The maximum diameter of the cup-shaped depth stop is preferably approximately 17 cm. In particular, the maximum diameter of the depth stop can also be between 1 cm and 25 cm. Particularly preferred is the maximum diameter of the depth stop approximately 2 cm, 3 cm, 4 cm, 5 cm, 6 cm, 7 cm, 8 cm, 9 cm, 10 cm, 11 cm, 12 cm, 13 cm, 14 cm, 15 cm, 16 cm, 18 cm, 19 cm, 20 cm, 21 cm, 22 cm, 23 cm, or even 24 cm. Advantageously, the maximum diameter can also be at least 30 cm, 40 cm, or even at least 60 cm. The maximum diameter of the depth stop can also be a value between the specified values, even if this value is not explicitly mentioned here.

[0067] The dimensions given also serve in particular as approximate dimensions for the depth stop device with variable diameter, see above.

[0068] A contour of the cup-shaped depth stop device and / or the contact surface is preferably at least partially and / or at least sectionally describable by at least one circular segment, one elliptical segment and / or one straight line segment.

[0069] In a particularly advantageous further development, at least one extraction device can be connected to the cup-shaped depth stop device. For this purpose, at least one connection for the extraction device is provided on the cup-shaped depth stop device. This conveniently enables direct extraction of, for example, chips and / or dust during cutting.

[0070] In another particularly advantageous embodiment, the cup-shaped depth stop device has at least one groove or recess in the radial direction in the contact surface. Particularly advantageously, the cup-shaped depth stop device has at least several grooves in the radial and / or circumferential direction in the contact surface. This advantageously ensures a secure, non-slip grip even on uneven and / or damp and / or wet walls. Furthermore, if an extraction device is present, it is advantageous that air can be drawn in at least partially directly from the surroundings with minimal flow resistance.

[0071] In an advantageous embodiment, the depth stop device is arranged essentially concentrically to the axis of rotation of the rotary device.

[0072] The symmetrical design provides particularly advantageous uniform support and homogeneous force transmission across the entire circumference between the device and the wall.

[0073] The device preferably comprises at least one second separating device. Advantageously, it comprises three, four, five, six, or even more separating devices. The separating devices are particularly preferably arranged on substantially the same diameter through the axis of rotation of the rotary device. The device may also particularly preferably comprise three or more separating devices.

[0074] The cutting devices are preferably arranged such that cutting forces during cutting at least almost and / or to a large extent and / or substantially balance each other out or even cancel each other out completely. In this way, at least local weakening and / or at least local deformation and / or at least local (over-)stressing of the material of the tubular component section is at least partially reduced or even advantageously minimized.

[0075] The opposing cutting forces are also particularly useful for centering the separating elements and the device at least partially relative to the tubular component section.

[0076] In a suitable further development, at least one separating element is arranged within the tubular component section.

[0077] Advantageously, at least two separating elements are arranged within the tubular component section. The separating elements are advantageously arranged at least in pairs on one diameter such that the shear forces cancel each other out.

[0078] In a particularly advantageous embodiment, at least one separating element is also arranged outside the tubular component section. Preferably, at least two separating devices, each with a separating element of the same diameter, are arranged, with one separating element located inside the tubular component section and one separating element located outside the tubular component section. This allows, in particular, the wall of the tubular component to be completely cut off in a single pass.

[0079] In both suitable design variants, the cutting forces can be used at least partially for the relative centering of the device to the tubular component section.

[0080] In a particularly advantageous embodiment, the axis of rotation of the rotary device is arranged essentially coaxially to a tube axis of the tubular component section.

[0081] This preferably results in a uniform cutting pattern of the separating element and the cutting edge over the entire circumference of the tubular component section.

[0082] The rotary device rotates particularly advantageously around the axis of rotation, which is mounted centrally to the device. This arrangement is especially economical and low-wear, particularly when used with tubular component sections having at least one substantially symmetrical circular cross-section.

[0083] Preferably, the separating device and / or the separating element comprises at least one rotary knife and / or at least one blade that is at least partially fixed.

[0084] The rotary cutter offers a particularly low rolling resistance. Therefore, the force required to move the rotary cutter along its circumference is also preferably low.

[0085] By rolling the rotary knife along the wall of the tubular component section, a uniform cutting pattern of the tubular component is promoted, especially around the circumference.

[0086] In contrast, the fixed blade has a particularly small contact area with the tubular component section, which is especially advantageous. The cutting edge is also thinner than that of a rotary cutter. The cutting edge preferably has at least a partially and / or sectionally inclined and / or crescent-shaped and / or circular contours. This allows the wall of the tubular component to be cut, at least partially or even completely, in a single pass.

[0087] Furthermore, it may also be advantageous to use differently designed separating elements. For example, the separating elements can be designed, at least partially and / or at least in sections, as a saw, file, reamer, crimping tool, and / or as a thermal separating element.

[0088] In an advantageous embodiment, the separating device is at least in a rotationally fixed operative connection with the rotary device relative to the axis of rotation of the rotary device.

[0089] Particularly preferably, the functional connection is designed to be at least partially and / or sectionally positively locked and / or force-locked. Advantageously, the rotary device comprises at least one lateral guide, such as grooves or walls, on which the separating devices can be guided and displaced. Advantageously, a force for separation can thus be transmitted positively.

[0090] The separating device is preferably positively connected to the rotary device and / or the depth stop device in a rotationally fixed manner. For this purpose, the separating device preferably bears at least partially and / or sectionally against a shaped element designed as a groove and / or tongue. In particular, the separating device can also be arranged in a rotationally fixed manner on the rotary device as a plug connection, screw connection and / or other shaped element.

[0091] The separating device can, in particular, be connected to or arranged on the rotary device in a force-fit and rotationally fixed manner, or be in an operative connection. In particular, the separating device can be clamped to the rotary device at least partially and / or sectionally in a rotationally fixed manner relative to the axis of rotation.

[0092] Advantageously, at least direction-dependent transverse forces or at least one torque can be transmitted between the cutting device and the rotating device. In particular, it is advantageous that the cutting element with its cutting edge can reach any point along the circumference of the tubular component section.

[0093] At least one separating device of the apparatus is displaceable at least substantially transversely to the axis of rotation. For this purpose, the separating device is advantageously mounted on the rotary device and / or the depth stop device in a way that allows it to be tilted and / or slidably, at least partially and / or at least sectionally.

[0094] Preferably, the separating device can be arranged and / or mounted on the rotary device and / or the depth stop device in a way that allows it to be tilted at least partially and / or section by means of a bolt, a screw and / or another type of shaped element or fastening element. The separating device expediently has a substantially elongated and / or L-shaped form, at least in sections and / or partially.

[0095] In particular, the separating device can preferably also be arranged and / or mounted in a way that allows it to be displaced at least partially and / or section by section, essentially transverse to the rotary device or axis of rotation, by means of a positive-locking linear guide.

[0096] In particular, at least one shaped element is formed on the rotary device. Advantageously, the shaped element comprises at least one mushroom-shaped part, a mushroom element, and / or a pin. Advantageously, for example, the mushroom-shaped part and / or the pin are designed as thickenings, each having a larger diameter than a substantial portion of the rotary device. In particular, the mushroom-shaped part and / or the pin are arranged and / or received at the end of the rotary device and advantageously within the depth stop device.

[0097] Advantageously, the mushroom-shaped part and / or the pin has a contour that widens and / or narrows in an axial direction. Advantageously, the contour includes at least one flat surface. Advantageously, the surface is arranged obliquely to the axis of rotation. Advantageously, the contour includes at least a partially curved surface. This allows the separating devices to be pressed outwards in the event of a relative displacement of the rotary device and, in particular, the shaft unit.

[0098] Advantageously, the separating device contacts the mushroom-shaped part and / or the pin of the rotary device. In particular, at least the separating device can be displaced outwards by an axial displacement of the shaft unit relative to the depth stop device and, in particular, relative to the sleeve unit. Advantageously, the separating device is pressed outwards by a relative axial displacement of the mushroom-shaped part and / or the pin and / or the rotary device and / or the shaft unit. Advantageously, the cutting edge of the separating device can thus be brought into engagement with the wall of the component.

[0099] This advantageously enables safe and reproducible cutting. A user can, for example, connect a cordless screwdriver or similar tool to the other end of the rotary device and press against the wall of the tubular component section with both hands. This preferably shifts the cutting elements outwards and brings them into contact with the wall of the tubular component section. The drive of the cordless screwdriver ensures a clean cut.

[0100] This allows both of a user's hands to be positioned on the cordless screwdriver, which is connected to the rotary device. This ensures safe operation.

[0101] In a particularly advantageous embodiment, the linear guide is designed with at least partially groove- and spring-shaped elements. This results in a particularly economical, functional, and robust design of the linear guide.

[0102] Preferably, at least one spring element is present on the device, which preloads at least the separating device and / or at least the separating element.

[0103] The spring element is designed, in particular, at least partially and / or at least sectionally, as a rubber band, tension / compression spring, torsion spring, torsion spring, resilient rubber block, resilient metal element and / or resilient plastic element.

[0104] In particular, the spring element preferably loads the separating device substantially transversely to the axis of rotation, at least partially and / or sectionally, at least outwards and / or at least inwards.

[0105] It is particularly advantageous if the cutting device is pre-loaded in such a position relative to the tubular component section, so that the cutting edges do not touch the tubular component section when positioning it on the wall.

[0106] The rotary device advantageously features at least one coupling element for a mechanical drive.

[0107] The coupling element has, in particular, at least one defined geometry which is at least partially and / or section by section suitable for a machine chuck and / or machine jaws and / or couplings designed in any other way. It is particularly advantageous for the coupling element to be arranged, at least partially and / or section by section, at the lower end of the rotary device.

[0108] The coupling element is particularly advantageously designed so that it can be used at least in conjunction with a drill chuck of a drill and / or a cordless screwdriver. The coupling element preferably has at least a hexagonal and / or a circular profile in cross-section. The coupling element is particularly preferably suitable for mounting in and / or on a bit attachment. In particular, a drill or cordless screwdriver or the like can be mounted on the coupling element. Advantageously, a rotary motion for disconnection can be generated by the drill or cordless screwdriver and transmitted to the disconnecting devices.

[0109] Furthermore, the coupling element can also have a different geometric shape, at least partially and / or section by section, which is advantageously suited for machine operation.

[0110] Preferably, at least one centering device is provided, which is preferably made available at least partially by the depth stop device. In such a design, the depth stop device is then cup-shaped or has other limitations at least partially, with the diameter of the depth stop device preferably being adapted to the diameter of the tubular section.

[0111] The method according to the invention particularly utilizes the device according to the invention for cutting or separating a component section arranged substantially transversely to a wall and substantially tubular in shape. The method is characterized in that a cutting motion sequence is composed at least partially of a translational component and / or at least partially of a rotational component. The motion sequence preferably comprises at least one translational component and at least one rotational component.

[0112] In particular, at least one separating device is pushed outwards by an axial displacement of the rotary device and especially the shaft unit relative to the depth stop device which is in contact with the wall, and is brought into engagement with the tubular component section.

[0113] Preferably, the cutting device is first positioned on the tubular component section. Subsequently, the cutting device and the cutting edge are preferably displaced substantially translationally, essentially transversely to the axis of rotation. Advantageously, a tilting motion is also considered a translational component if the cutting edge of the cutting element is displaced substantially translationally and / or the effective tilt angle is small. Advantageously, the cutting edges then contact the tubular component section, i.e., they are in engagement with the tubular component section.

[0114] The cutting edge preferably rests at least partially against the inner wall of the tubular component section. The wall is preferably subjected to a cutting force essentially perpendicular to the wall.

[0115] The rotational component, achieved in particular as a rotational movement around the axis of rotation, rotates and / or displaces the cutting element at least partially and / or section by section around the circumference of the tubular component segment. This allows the cutting element to be advantageously guided along the entire circumference of the tubular component segment for cutting.

[0116] The method, when used with the device, is advantageously very robust and efficient. This makes it particularly suitable for construction sites. Because the movement sequence preferably occurs at least partially and / or in a largely separate manner, the individual components of the device adapt particularly well to the tubular component section and its geometry.

[0117] However, other movement sequences can also be advantageously implemented using the invention. The descriptions mentioned here do not limit any further embodiments of movement sequences that are not explicitly mentioned here.

[0118] Preferably, the distance between the cutting edge and the wall is adjusted in one embodiment of the device according to the invention.

[0119] Preferably, the distance is adjusted by moving the depth stop along the rotary mechanism. The adjustment element can also be used. The method is particularly advantageous due to its robustness and speed of implementation.

[0120] In an embodiment of the method according to the invention for separating a substantially tubular component section arranged essentially transversely to a wall using a device as previously described, the depth stop device is guided over the tubular component section until the contact surface of the device comes into contact with the wall. The separating device, or at least one separating element, is rotated about the axis of rotation and displaced transversely to it in order to come into contact with the tubular component section. Advantageously, the displacement is radially outward by a relative movement of the rotating device, and in particular the shaft unit, with respect to the depth stop device. A displacement of the separating device is, in particular, coupled to the displacement of the rotating device.

[0121] Further advantages and features of the present invention will become apparent from the exemplary embodiments, which are explained below with reference to the accompanying figures.

[0122] The figures show: Fig. 1 a sectional view of a first embodiment of a device according to the invention in a purely schematic representation; Fig. 2 a purely schematic top view of the first embodiment of a device according to the invention; Fig. 3 a purely schematic perspective view of the first embodiment of a device according to the invention; Fig. 4 a purely schematic sectional view of the first embodiment of a device according to the invention, which is arranged for cutting directly on a tubular component arranged transversely to a wall; Fig. 5 a purely schematic sectional view of a second embodiment of a device according to the invention; Fig. 6 a further purely schematic sectional view of the second embodiment of a device according to the invention; and Fig. 7 a purely schematic perspective view of the second embodiment of a device according to the invention.

[0123] In Fig. Figure 1 shows a sectional view of a device 1 according to the invention for cutting or separating a tubular component section 300 arranged transversely to a wall 200. The rotary device 2 comprises a shaft unit 2a, which is configured here as a shaft 2a. Furthermore, the rotary device 2 comprises a sleeve unit 2b, which here has a sleeve 2b.

[0124] The rotary device 2 is rotatable about the axis of rotation 3. The sleeve 2b and the shaft 2a are axially displaceable relative to each other, see arrow.

[0125] The depth stop device 6 is arranged on the rotary device 2 so as to be axially displaceable. In the embodiment shown here, the depth stop device 6 is cup-shaped and encloses the two existing cutting devices 4 with the cutting elements 5 and the cutting edges 9.

[0126] The cup-shaped depth stop device 6 has a contact surface 7. Both the depth stop device 6 and the contact surface 7 have a circular contour. The depth stop device 6 is also arranged concentrically to the rotary device 2. The depth stop device 6 is axially displaceable relative to the rotary device 2. The depth stop device 6 is engaged with the rotary device 2 by means of the contact surface 7. Fig. 1 wall not shown, positioned and arranged 200.

[0127] The depth stop device 6 is axially displaceable relative to the sleeve 2b of the rotary device 2 up to the retaining ring 2d of the rotary device 2, which serves as a stop. The distance 8 between the cutting edge 9 and the contact surface 7 is set by an adjusting element 10, which is positioned between the retaining ring 2d and the depth stop device 6. The available axial travel between the depth stop device and the cutting edge is approximately 5 mm to 50 mm.

[0128] The adjusting element 10 is designed here as a washer. By removing the retaining ring 2d, further washers can be arranged to adjust the distance 8.

[0129] A sliding bearing, not shown in detail, enables low-friction relative movement and supports the forces between the depth stop device 6 and the rotary device 2.

[0130] There are two separating devices 4. The separating devices 4, arranged transversely to the axis of rotation 3, each have a separating element 5, which in the illustrated embodiment is designed as a rotary knife 12, each with a cutting edge 9. The rotary knives 12 are each fixed and secured in their position in the associated separating device 4 by a bolt 4a.

[0131] The separating devices 4 have an L-shaped cross-sectional profile. Each separating device 4 is rotatably mounted on the sleeve 2b of the rotary device 2 about the pivot point 4b by means of a bolt (not shown in detail) on the sleeve 2b.

[0132] The rotary device 2 is designed as a pin-shaped or conical end at the end where the separating devices 4 are arranged. In the pin 2c shown here, grooves 2e are arranged or present in each of which a separating device 4 is laterally guided. The separating devices 4 are thus connected to the rotary device 2 in a rotationally fixed manner (see also Fig. 2 and Fig. 3).

[0133] An axial displacement of shaft 2a, as indicated by the arrow, causes the position of shaft 2a to change relative to sleeve 2b, on which the separating devices 4 are tiltably mounted. The separating devices 4 are pushed or tilted radially outwards by pin 2b. The displacement of the separating elements 5 is essentially translational, due to the L-shaped cross-sectional profile of the separating devices 4.

[0134] Simultaneously, the rotary device 2 is rotatable about the axis of rotation 3. The rotary knives 12 can reach any point around the circumference of the tubular component section 300 to be cut. The two cutting devices 4 are encompassed by a spring element 13 in the form of a rubber band. The spring element 13 biases the cutting devices 4 inwards towards the axis of rotation 3. This ensures constant contact between the cutting devices 4 and the grooves 2e in the pins 2c of the rotary device 2.

[0135] At the other end, the rotary device 2 has a coupling element 14. In the illustrated embodiment, the coupling element 14 is designed as a hexagonal profile, which is preferably acceptable by a chuck of a drill or cordless screwdriver or a bit attachment.

[0136] Advantageously, the device 1 can be operated, for example, using a cordless screwdriver mounted on the rotary device. The user places both hands on the cordless screwdriver. The rotary motion is generated by the cordless screwdriver. Simultaneously, the user can apply pressure to the cordless screwdriver. This causes the cutting devices 4 to be moved outwards and, in particular, pressed into engagement with the tubular component section 300. This advantageously enables reproducible cutting with minimal risk of injury.

[0137] In Fig. 2 is the device 1 according to the invention. Fig. Figure 1 shows a top view. The rotary device 2 with the axis of rotation 3 is located in the center of the device 1. The cup-shaped depth stop device 6 with the circular contour of the contact surface 7 surrounds the cutting devices 4 with the cutting edges 9 in every rotational position. The depth stop device 6 has a maximum diameter of 11.

[0138] The two cutting devices 4 are arranged opposite each other on the rotary device 2. The position of the cutting elements 5, which are designed as rotary knives 12, and the cutting edge 9 are clearly visible. Due to the opposing arrangement of the cutting edges 9, the cutting forces are effectively balanced during cutting, so that the device 1 centers itself relative to the tubular component section 3 (not shown).

[0139] The spring element 13 encompasses the two L-shaped separating devices 4 and loads them radially inwards into the starting position.

[0140] In Fig. Figure 3 shows a perspective view of the device 1 according to the invention. The cup-shaped depth stop device 6 with the maximum diameter 11 and its contact surface 7 are clearly visible. The arrangement of the separating device 4 in the groove 2e of the pin 2c of the rotary device 2 is also clearly visible. The coupling element 14 is arranged at the lower end of the rotary device 2.

[0141] In Fig. Figure 4 shows the device 1 according to the invention for cutting directly on a tubular component section 300 arranged transversely to a wall 200.

[0142] The cup-shaped depth stop device 6 touches the wall 200 with the contact surface 7. The distance 8 between the cutting edge 9 and the separating elements 5, which are designed as rotary knives 12, is present.

[0143] The depth stop device 6 completely encloses the tubular component section 300, thus minimizing the risk of injury to an operator.

[0144] In the present embodiment, both cutting devices 4 are arranged within the tubular component section 300 on a diameter relative to the axis of rotation 3. When the rotary device 2 is rotated, the device 1 centers itself within the tubular component section 300 due to the mutually balancing cutting forces. A tubular axis 301 of the tubular component section 300 and the axis of rotation 3 of the rotary device 2 are arranged coaxially with each other.

[0145] To cut off the tubular component section 300, the shaft 2a of the rotary device 2 is first pressed axially, see arrow, against the wall 200. The cutting devices 4 tilt about their respective pivot point 4b and are thereby displaced essentially translationally radially outwards. The cutting edges 9 are pressed against the tubular component section 300 from the inside. The cutting edges 9 apply a cutting force to the tubular component section 300. Due to the rotational displacement of the rotary device 2 about the axis of rotation 3, the tubular component 300 is cut off over its entire circumference at a distance 8 from the wall 200.

[0146] In the embodiments shown here, the depth stop device 6 is cup-shaped, thus simultaneously acting as a safety device 15. The cup-shaped design covers the cutting devices 4, preventing an installer from accidentally reaching into the rotating cutting device 4 or the rotating cutting elements 5 when shortening a pipe.

[0147] In other embodiments not shown, the depth stop device 6 can also be essentially open or not cup-shaped. For example, a type of tripod can be provided as the depth stop device 6, which enables stable and defined support against the wall 300. In this case, a differently designed safety device 15 can be advantageously provided.

[0148] In the embodiments shown, the depth stop device 6 also serves as a centering device 16. For this purpose, the diameter of the depth stop device 6 is adapted to the diameter of the tubular component section 300.

[0149] In Fig. Figure 5 shows a further embodiment of a device 1 according to the invention in a purely schematic sectional view. The second embodiment is essentially constructed like the first embodiment. The embodiment shown here differs from the first embodiment in particular in the design of the rotary device 2.

[0150] In the embodiment shown here, the rotary device 2 is designed as a mushroom-shaped section 2e at the end where the separating device 4 is arranged. The mushroom-shaped section 2e has the illustrated mushroom-shaped cross-section. When the shaft 2a is displaced axially, the separating devices are pushed outwards by the mushroom-shaped section 2e. The separating devices 4 are laterally supported by a cross-holder 2e, which completely encloses both separating devices on both sides. The cross-holder 2e guides the separating devices 4 laterally and absorbs the forces. A spring element 13 is designed as a torsion spring, which is integrated directly onto the bolt of the pivot point 4b. The cutting edges 9 of the separating devices 4 do not engage with the tubular component section 300.

[0151] In Fig. Figure 6 shows the second embodiment of a device 1 according to the invention, also in a sectional view. Here, the cutting edges 9 of the separating devices 4 are engaged.

[0152] In Fig. Figure 7 shows the second embodiment of the device 1 according to the invention in a purely schematic perspective view. The alternative design of the lateral guidance by the crossholders 2e is clearly visible here. The crossholder 2e essentially completely surrounds the separating devices 4 on both sides, so that a rotational movement can advantageously be transferred to the separating devices 4.

[0153] The features shown and described for each embodiment can be combined in any way desired. Reference symbol list: 1 Device 2 Rotary device 2a Wave unit, wave 2b Sleeve unit, sleeve 2c Cone, mushroom part 2D retaining ring 2nd groove, crossbar 3. Axis of rotation 4. Separation device 4a bolt 4b Pivot point 5 separating element 6 Depth stop device 7 Contact area 8 distance 9 cutting edge 10 Adjustment element 11 maximum diameter 12 rotary cutters, fixed blade 13 Spring element 14 Coupling element 15 Safety device 16 Centering device 200 wall 300 tubular component section 301 Pipe axis

Claims

[1] Device (1) for separating a substantially tubular component section (300) arranged substantially transversely to at least one wall (200), comprising at least one rotary device (2) which has at least one axis of rotation (3), and at least one separating device (4) comprising at least one separating element (5) arranged substantially transversely to the axis of rotation (3), wherein the separating device (4) is displaceable at least substantially transversely to the axis of rotation (3), and at least one depth stop device (6), wherein the depth stop device (6) has at least one contact surface (7) with the wall (200), wherein at least one distance (8) from at least one cutting edge (9) of the separating element (5) to the wall (200) or to the contact surface (7) is set and / or adjustable, characterized by , that the rotary device (2) is at least partially axially displaceable relative to the depth stop device (6), and that a displacement of the separating device (4) is coupled to a displacement of the rotary device (2). [2] Device (1) according to claim 1, wherein at least one adjusting element (10) is provided to adjust the distance (8) between the cutting edge (9) of the separating element (5) and the contact surface (7) of the depth stop device (6). [3] Device (1) according to one of the preceding claims, wherein the depth stop device (6) at least partially and / or at least partially surrounds and / or comprises the separating device (4) and / or at least the separating element (5). [4] Device (1) according to one of the preceding claims, wherein a maximum diameter (11) of the depth stop device (6) is at least partially variable. [5] Device (1) according to one of the preceding claims, wherein the depth stop device (6) is at least partially and / or sectionally cup-shaped and / or wherein the depth stop device (6) is arranged substantially concentrically to the axis of rotation (3) of the rotary device (2). [6] Device (1) according to one of the preceding claims, wherein at least one second separating device (4) is provided and / or wherein at least one separating element (5) is arranged within the tubular component section (300). [7] Device (1) according to one of the preceding claims, wherein the axis of rotation (3) of the rotary device (2) is arranged substantially coaxially to a tube axis (301) of the tubular component section (300). [8] Device (1) according to one of the preceding claims, wherein the separating device (4) and / or the separating element (5) at least partially comprises a rotary knife (12) and / or at least a blade (12) that is at least partially fixed. [9] Device (1) according to one of the preceding claims, wherein the separating device (4) has at least one rotationally fixed functional connection to the rotary device (2). [10] Device (1) according to one of the preceding claims, wherein at least one spring element (13) is provided which preloads at least the separating device (4) and / or at least the separating element (5) and / or at least the cutting edge (9) at least partially and / or at least sectionally. [11] Device (1) according to one of the preceding claims, wherein at least one safety device (15) is provided, which is preferably provided at least partially and in particular completely by the depth stop device (6). [12] Device (1) according to one of the preceding claims, wherein at least one centering device (16) is provided, which is preferably provided at least sectionally by the depth stop device (6). [13] Method for separating a substantially tubular component section (300) arranged substantially transversely to a wall (200) by means of at least one device (1) according to one of the preceding claims, characterized by , that a movement sequence for separation consists at least partially of a translational and / or at least partially of a rotational movement. [14] Method according to the preceding claim, wherein the distance (8) of the cutting edge (9) to the wall (200) is adjusted at least partially and / or section by section.

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