WO2021032600A1

WO2021032600A1 - Machining tool, in particular oscillating machining tool

Info

Publication number: WO2021032600A1
Application number: PCT/EP2020/072794
Authority: WO
Inventors: Milan Bozic
Original assignee: Robert Bosch Gmbh
Priority date: 2019-08-16
Filing date: 2020-08-13
Publication date: 2021-02-25
Also published as: DE102019212297A1

Abstract

The invention relates to a machining tool, in particular an oscillating machining tool, comprising at least one main part (12) and at least one coupling interface (14) which is arranged on the main part (12) for coupling to at least two different tool receiving areas (16, 18) of at least one machining tool (20, 22). The coupling interface (14) has at least one lateral wall (26) extending transversely to a main extension plane (24) of the main part (12). According to the invention, the lateral wall (26) delimits at least one tool receiving area feed opening (28) and is closed, in particular in a radial manner, on at least one plane (32) extending parallel to the main extension plane (24) of the main part (12) when viewed along the circumferential direction (30) of the coupling interface (14).

Description

description

Processing tool, in particular oscillation processing tool

State of the art

It is already a machining tool, in particular an oscillation machining tool, with at least one base body and with at least one coupling interface arranged on the base body for coupling to at least two different tool receptacles of at least one machine tool, the coupling interface having at least one side wall extending transversely to a main extension plane of the base body , has been proposed.

Disclosure of the invention

The invention is based on a machining tool, in particular an oscillation machining tool, with at least one base body and with at least one coupling interface arranged on the base body for coupling with at least two different tool receptacles of at least one machine tool, the coupling interface at least one extending transversely to a main extension plane of the base body having extending side wall.

It is proposed that the side wall delimits at least one tool holder feed opening and, viewed along a circumferential direction of the coupling interface, is closed in at least one plane extending parallel to the main extension plane of the base body, in particular in a star shape.

The machining tool is preferred as a

Oscillation machining tool formed. Alternatively, it is conceivable that the machining tool is designed as a rotary machining tool, as a pendulum machining tool or as another machining tool that appears useful to a person skilled in the art. The machining tool is preferably designed as a cutting tool, as a grinding tool, as a sawing tool or the like. The machining tool is preferably for use with the machine tool, in particular with a Oscillation machine tool, provided. In particular, the oscillating machine tool is provided to drive the machining tool to make an, in particular an oscillatory, movement. “Provided” should be understood to mean in particular specially designed and / or specially equipped. The fact that an object is provided for a specific function should be understood in particular to mean that the object fulfills and / or executes this specific function in at least one application and / or operating state.

The main body of the machining tool is preferably formed from a metal. Alternatively, it is conceivable that the base body is formed from a composite material, from a ceramic or from another material that appears sensible to a person skilled in the art. A “main plane of extent” of an object is to be understood in particular as a plane which is parallel to a largest side surface of a smallest imaginary cuboid, which just completely surrounds the object, and in particular runs through the center of the cuboid. The coupling interface preferably forms at least one coupling plane. The main extension plane of the base body and the coupling plane of the coupling interface preferably extend parallel to one another. “Parallel” is to be understood as meaning, in particular, an alignment of a direction relative to a reference direction, in particular in a plane, the direction having a deviation from the reference direction in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 ° .

The machining tool preferably comprises a single coupling interface. In particular, the coupling interface is provided for coupling with at least two different tool holders of at least one machine tool, preferably for coupling with at least two different tool holders of at least two different machine tools. The coupling interface preferably forms a single coupling level. Alternatively, it is conceivable that the machining tool has a plurality of coupling interfaces, for example two coupling interfaces, wherein in particular at least one of the coupling interfaces is provided for coupling with at least two different tool holders. The side wall of the coupling interface, viewed along the circumferential direction of the coupling interface, is preferably closed in a star shape in the at least one plane extending parallel to the main plane of extent of the base body. Alternatively, it is conceivable that the side wall of the coupling interface, viewed along the circumferential direction of the coupling interface, is closed in the at least one plane extending parallel to the main plane of extension of the base body in a circular, elliptical, rectangular or similar manner. In particular, the coupling interface, in particular the side wall of the coupling interface, forms a closed ring surface, in particular a closed star surface, in the at least one plane extending parallel to the main plane of extent of the base body. In particular, the coupling interface, in particular the side wall of the coupling interface, is formed in a star shape, at least in the coupling plane of the coupling interface and / or viewed in the main plane of extent of the base body. In particular, the side wall of the coupling interface along at least 5%, preferably along at least 10%, particularly preferably along at least 20% and very particularly preferably along at least 30% of a maximum extension of the side wall transversely to the main extension plane of the base body in itself, in particular star-shaped, closed.

In particular, the coupling interface, in particular the side wall of the coupling interface, forms an open annular surface, in particular a star segment, in at least one plane in which the side wall delimits the tool holder feed opening and which extends parallel to the main plane of extent of the base body, in particular for realizing a feed the tool holder of the machine tool. In particular, the side wall of the coupling interface limits along a maximum of 95%, preferably along a maximum of 90%, particularly preferably along a maximum of 80% and very particularly preferably along a maximum extension of the side wall transversely to the main extension plane of the base body

Tool holder feed opening. The side wall of the coupling interface preferably delimits a single tool holder feed opening. Alternatively, it is conceivable that the side wall of the coupling interface has a plurality of, in particular along the circumferential direction of the Coupling interface offset from one another, tool holder feed openings limited.

The coupling interface preferably has at least the tool holder feed opening delimited by the side wall and at least one further tool holder feed opening delimited by at least one cover wall of the coupling interface. The cover wall preferably extends transversely to the side wall. In particular, the cover wall extends in the coupling plane of the coupling interface, in particular parallel to the main plane of extent of the base body. The tool holder feed opening and the further tool holder feed opening preferably merge into one another in the coupling plane. The tool holder feed opening is preferably provided to enable a tool holder to be fed into the coupling interface. The further tool holder feed opening is preferably provided to enable a further tool holder configured differently from the tool holder to be fed into the coupling interface. The tool holder feed opening and the further tool holder feed opening are preferably provided to enable the various tool holders to be fed along different feed directions. A feed direction preferably runs along which the tool holder can be fed through the tool holder feed opening of the coupling interface, and a further feed direction along which the further tool holder passes through the other

Tool holder feed opening of the coupling interface can be fed transversely, in particular perpendicular, to one another. The expression “perpendicular” is intended in particular to define an alignment of a direction relative to a reference direction, the direction and the reference direction, particularly viewed in a projection plane, enclosing an angle of 90 ° and the angle advantageously including a maximum deviation of in particular less than 8 ° has less than 5 ° and particularly advantageously less than 2 °. In particular, the feed direction along which the tool holder can be fed through the tool holder feed opening of the coupling interface runs parallel to the main plane of extent of the base body and / or parallel to the coupling plane. In particular, the further feed direction runs along which the further tool holder can be fed through the further tool holder feed opening of the coupling interface, perpendicular to the main extension plane of the base body and / or perpendicular to the coupling plane.

The inventive design of the machining tool can advantageously be used with different tool holders, in particular with different machine tools. A high level of accessibility of the coupling interface can advantageously be provided for realizing a user-friendly coupling with a machine tool. At the same time, an advantageously break-proof coupling interface with a low spring effect can be provided. A coupling interface with an advantageously large contact area with the tool holder can be provided. An advantageous, flexible, user-safe, user-friendly and long-lasting machining tool can be provided.

Furthermore, it is proposed that a maximum extension of the side wall of the coupling interface perpendicular to the main extension plane of the base body defines a minimum distance between the main extension plane of the base body and a coupling plane, in particular the aforementioned coupling plane, of the coupling interface in which at least one axial securing element of the coupling interface is arranged. The coupling interface preferably comprises a single axial securing element which is arranged in the coupling plane of the coupling interface. Alternatively, it is conceivable that the coupling interface has a plurality of axial securing elements. The axial securing element is provided in particular to secure the base body on the tool receptacle along a direction parallel to an output axis of the tool holder of the machine tool. In a state coupled to the coupling interface, the output axis of the tool holder runs preferably perpendicular to the main extension plane of the main body and / or to the coupling plane. In particular, the machine tool is provided to drive the machining tool to oscillate around the output axis of the tool holder. The axial securing element of the coupling interface is preferably designed differently from torque transmission elements of the coupling interface, which are provided for torque transmission from the tool holder to the base body. The axial securing element is preferably the coupling interface to one Axial locking is provided on the at least two different tool holders. Alternatively, it is conceivable that the coupling interface has at least two different types of axial securing elements, one type of axial securing element being provided for axial securing on the tool holder and another type of axial securing element being provided for axial securing on the other tool holder, which is designed differently from the tool holder.

An “extension portion of the side wall of the coupling interface perpendicular to the main extension plane of the base body” is to be understood as meaning, in particular, an extension portion of the side wall of the coupling interface defined by an orthogonal projection of the side wall of the coupling interface into a plane extending perpendicular to the main extension plane of the base body. The side wall preferably extends at an angle different from 90 ° relative to the main plane of extension of the main body, in particular at an angle smaller than 90 ° and greater than 0 ° relative to the main plane of extension of the main body. In particular, the side wall, in particular in a region of the tool holder feed opening, extends at an angle of less than 90 °, preferably at an angle of less than 60 ° and particularly preferably at an angle of 45 ° relative to the main plane of extent of the base body. In particular, the side wall in the area of the tool holder feed opening can extend at a different, in particular at a smaller, angle relative to the main plane of extent of the base body than in other areas of the side wall. The side wall preferably extends at an angle different from 90 ° relative to the coupling plane of the coupling interface, in particular at an angle greater than 90 ° and less than 180 ° relative to the coupling plane of the coupling interface. In particular, an angle sum of the angle of the side wall relative to the main plane of extent of the main body and the angle of the side wall relative to the coupling plane of the coupling interface corresponds to 180 °. The side wall preferably connects the top wall of the coupling interface to the base body. In particular, the coupling interface is designed in the shape of a truncated cone, the side wall forming a lateral surface of the truncated cone. An advantageously fracture-stable three-dimensional coupling interface can be provided. It is further proposed that the side wall, viewed along the circumferential direction of the coupling interface, be closed at least in a plane different from the coupling plane of the coupling interface, in particular in a star shape. The cover wall of the coupling interface, viewed along the circumferential direction of the coupling interface, is preferably open at least in sections. In particular, the side wall, viewed along the circumferential direction of the coupling interface, is closed in a plurality of planes different from the coupling plane of the coupling interface, in particular in a star shape. A machining tool with a break-resistant and at the same time user-comfortable coupling interface can advantageously be provided.

It is further proposed that the side wall, viewed along the circumferential direction of the coupling interface, be closed in itself, in particular in a star shape, at least in the main plane of extent of the base body. Preferably, the side wall, viewed along the circumferential direction of the coupling interface, is closed in itself, in particular in a star shape, at least along a complete maximum material thickness of the base body perpendicular to the main extension plane of the base body. Preferably, the side wall, viewed along the circumferential direction of the coupling interface, is closed in a plurality of planes extending parallel to the main plane of extension of the base body, in particular, viewed in the direction of the coupling plane, directly adjoining the main plane of extension of the base body, in particular in a star shape. A spring effect can advantageously be reduced and a low-wear coupling interface can be provided. A torsion-resistant machining tool can advantageously be provided.

It is also proposed that the side wall, viewed along the circumferential direction of the coupling interface, delimits the tool holder feed opening at least in the coupling plane. The side wall preferably delimits the tool holder feed opening along the circumferential direction of the coupling interface, at least along a complete maximum material thickness of the cover wall perpendicular to the coupling plane. The side wall preferably delimits the coupling interface along the circumferential direction considers the tool holder feed opening in a plurality of planes extending parallel to the coupling plane, particularly in the direction of the main plane of extension of the base body, directly adjoining the coupling plane. In particular, viewed along the circumferential direction of the coupling interface, the side wall delimits the tool holder feed opening in a ring segment with a central angle of at least 10 °, preferably of at least 20 °, particularly preferably of at least 30 ° and very particularly preferably of at least 40 °. In particular, viewed along the circumferential direction of the coupling interface, the side wall delimits the tool holder feed opening in a ring segment with a central angle of at most 70 °, preferably of at most 60 ° and particularly preferably of at most 50 °. A machining tool with a coupling interface that is particularly user-friendly can advantageously be provided.

Furthermore, it is proposed that the coupling interface has at least one torque transmission element, in particular the at least one aforementioned torque transmission element, for coupling to a tool holder and at least one further torque transmission element for coupling with a further tool holder different from the tool holder, which extends transversely to the at least one Extends torque transmission element. The at least one further torque transmission element is preferably designed differently from the at least one torque transmission element. Alternatively, it is conceivable that the at least one further torque transmission element is designed analogously to the at least one torque transmission element, in particular that the at least one torque transmission element for coupling with the tool holder and with the further tool holder and the at least one further torque transmission element for coupling with the tool holder and with the further tool holder is provided. The coupling interface preferably comprises a plurality of torque transmission elements and / or a plurality of further torque transmission elements. The torque transmission elements and / or the further torque transmission elements can in particular be used as recesses in the side wall and / or in the cover wall, as bulges in the side wall and / or in the cover wall Coupling pins or other torque transmission elements that appear sensible to a person skilled in the art. A machining tool with a coupling interface which enables torque to be transmitted through different tool holders can advantageously be provided.

It is also proposed that the at least one

Torque transmission element extends transversely to the main plane of extent of the base body and the at least one further torque transmission element extends parallel to the main plane of extent of the base body. The torque transmission elements preferably extend along the side wall of the coupling interface and are in particular formed by the side wall. In particular, the side wall is designed in a star shape, in particular describes alternating indentations and bulges. In particular, the indentations and bulges in the side wall form the torque transmission elements. The side wall preferably forms torque transmission elements at least in sections in a region of the tool holder feed opening. In particular, the torque transmission elements extend in the area of the tool holder feed opening, viewed along the further feed direction, from the main plane of extent of the base body to the tool holder feed opening. In particular, the torque transmission elements are arranged along a complete circumference of the coupling interface. The further torque transmission elements are preferably arranged on, in particular in, the cover wall. The further torque transmission elements are preferably designed as recesses in the cover wall. In particular, the further torque transmission elements are designed as elongated holes in the cover wall. In order to achieve a high level of user comfort, an optimal torque transmission can advantageously be made possible through different tool holders on the machining tool.

It is further proposed that the at least one torque transmission element connects the main plane of extent of the base body with at least one coupling plane, in particular with the aforementioned coupling plane, of the coupling interface. The torque transmission elements are in particular through the side wall formed, which connects the main plane of extent of the base body with the coupling plane of the coupling interface. The torque transmission elements preferably connect the base body to the cover wall. A machining tool with a compactly designed and flexibly connectable coupling interface can advantageously be provided.

It is also proposed that the at least one further torque transmission element is arranged within the coupling plane of the coupling interface. The further torque transmission elements are arranged in particular in an area different from the tool holder feed opening and the further tool holder feed opening within the coupling plane, in particular in the cover wall. The further torque transmission elements are preferably arranged symmetrically around the further tool holder feed opening. In particular, the further torque transmission elements are arranged along an imaginary circular arc, in particular around the further tool holder feed opening, viewed next to one another, in particular in a ray-like manner. In particular, the further torque transmission elements, viewed in particular along the imaginary circular arc, are arranged equidistant from one another. In particular, two further torque transmission elements that are opposite one another, viewed along a diameter of the further tool holder feed opening, have a minimum distance from one another which is greater than a maximum diameter of the further tool holder feed opening. In particular, the minimum distance between the two further torque transmission elements opposite one another, viewed along the diameter of the further tool holder feed opening, is at least 1 mm larger, preferably at least 1.5 mm larger and particularly preferably at least 2 mm larger than the maximum diameter of the further ones

Tool holder feed opening and in particular at most 2.5 mm larger, preferably at most 2 mm larger than the maximum diameter of the further tool holder feed opening. In particular, the two further torque transmission elements opposite one another, viewed along the diameter of the further tool holder feed opening, have a minimum distance from one another of 16.5 mm, preferably of 16.51 mm. The further tool holder feed opening preferably has a maximum diameter of 14.5 mm. In particular, a further torque transmission element is assigned in each case to a bulge of the side wall that forms a torque transmission element. A user-safe torque transmission can advantageously be made possible by the additional tool holder.

It is also proposed that the coupling interface be designed in one piece with the base body. “In one piece” is to be understood in particular as being formed in one piece. This one piece is preferably produced from a single blank, a mass and / or a casting, particularly preferably in an injection molding process, in particular a one-component and / or multi-component injection molding process. The base body and the coupling interface are preferably formed from a common blank, in particular from a metal, preferably from a steel. In particular, the coupling interface is formed by a forming process, by a casting process, by a stamping process, by a milling process or the like. Alternatively, it is conceivable that the coupling interface is formed in one piece with the base body by means of a 3D printing process. A particularly torsion-resistant and fracture-stable coupling interface can advantageously be provided. A low-wear and long-lasting machining tool can advantageously be provided.

It is also proposed that the coupling interface is pot-shaped, the at least one axial securing element of the coupling interface being formed by a star-shaped recess in the coupling plane. In particular, the side wall forms a side surface of an imaginary pot. In particular, the cover wall forms a pot bottom of the imaginary pot. In particular, the base body at least partially forms a pot lid of the imaginary pot. The coupling interface is preferably designed in the shape of a Gugelhupff. The axial securing element is preferably designed in one piece with the further tool holder feed opening. In particular, the axial securing element merges into the tool holder feed opening. In particular, the axial securing element is surrounded by the further torque transmission elements. The axial securing element is preferably formed by a star-shaped recess in the cover wall. In particular, the tool holder extends in one that is coupled to the machining tool State at least in sections through the axial securing element, the axial securing element in particular engages behind. A machining tool with a coupling interface that can be coupled in a particularly user-friendly manner can advantageously be provided.

Furthermore, the invention is based on a machining system with at least one machining tool according to the invention and with at least one machine tool, in particular with at least one oscillation machine tool, and / or with at least one further machine tool, in particular with at least one further oscillation machine tool, the machine tool and / or the further machine tool have / has at least one tool holder to which the machining tool can be coupled by means of the coupling interface, the machine tool and / or the further machine tool having / has at least one further tool holder designed differently from the tool holder, to which the machining tool can be coupled by means of the coupling interface. The machining system preferably comprises the machine tool and the further machine tool, which have different tool holders. Alternatively, it is conceivable that the machining system comprises a single machine tool that has at least two different tool holders or that the machining system comprises the machine tool and the further machine tool, the machine tool and / or the further machine tool each having / has at least two different tool holders. The machining system can preferably have a plurality of machining tools, for example a sawing tool, a cutting tool and a grinding tool. A flexible, user-friendly and user-safe processing system can advantageously be provided.

In addition, the invention is based on a method for producing a machining tool, in particular a machining tool according to the invention.

It is proposed that in at least one method step at least one coupling interface of the machining tool in at least one side wall

Tool holder feed opening is introduced that the side wall viewed along a circumferential direction of the coupling interface in at least one plane extending parallel to at least one main plane of extent of at least one base body of the machining tool is closed in itself, in particular in a star shape. In particular, the tool holder feed opening is introduced into a section of the side wall, in particular at least in the coupling plane. The coupling interface is preferably left closed in itself, in particular in a star shape, at least in the main plane of extent of the base body. A precise production of the machining tool can advantageously be made possible.

It is further proposed that in at least one method step the tool holder feed opening is introduced into the side wall by means of a punching process. In particular, at least a section of the side wall is punched out to form the tool holder feed opening. The tool holder feed opening is preferably formed by punching out material from a punching surface of the side wall of the coupling interface. The coupling interface is formed in particular by reshaping the base body. The coupling interface is preferably formed by reshaping the base body in several partial steps, in particular in a single reshaping tool. In particular, the base body is reshaped in such a way that the side wall, in particular at least the punching surface, is inclined at an angle of less than 90 °, preferably at an angle of less than 60 ° and particularly preferably at an angle of 45 ° relative to the main plane of extent of the base body becomes. In particular, by inclining the punching surface of less than 90 ° relative to the main plane of extent of the base body, the punching process minimizes forces acting on the coupling interface, in particular on the side wall, and in particular deformation of the coupling interface, in particular the side wall, caused by the forces acting. The base body is preferably reshaped in such a way that the punching surface is offset relative to the remaining side wall parallel to the main plane of extension of the base body in the direction of a center point of the coupling interface, in particular to provide the torque transmission elements along a complete circumference of the coupling interface. The base body is preferably reshaped in such a way that the punching surface is arranged at a distance from corner points of the side wall, in particular to implement a Material flow in a forming process. In particular, the base body is reshaped in such a way that the punching surface is arranged at a distance from the corner points of the side wall to provide at least one support surface for a punching tool in the punching process. The base body is preferably reshaped in such a way that material-rich transition areas are formed between the punched surface and the corner points of the side wall, in particular to enable the coupling interface to be punched.

Preferably, in at least one method step, the further tool holder feed opening is introduced into the coupling interface, in particular into the cover wall of the coupling interface, in particular by means of a punching process. In particular, the further tool holder feed opening is formed by punching out material from the cover wall of the coupling interface. Preferably, the tool holder feed opening and the further tool holder feed opening are introduced into the coupling interface, in particular into the side wall and into the cover wall, in the same process step, in particular simultaneously, in particular by means of the same punching tool. The further torque transmission elements are preferably introduced into the coupling interface, in particular into the cover wall of the coupling interface, in at least one method step, in particular by means of a stamping process. In particular, the further torque transmission elements are formed by punching out material from the cover wall of the coupling interface. A precisely defined

Tool holder feed opening are formed in the coupling interface.

The machining tool according to the invention, the machining system according to the invention and / or the method according to the invention should / should not be restricted to the application and embodiment described above. In particular, the machining tool according to the invention, the machining system according to the invention and / or the method according to the invention can have a number that differs from a number of individual elements, components and units as well as method steps mentioned herein in order to fulfill a functionality described herein. In addition, in the case of those specified in this disclosure Values within the stated limits are also considered to be disclosed and can be used as required.

drawings

Further advantages emerge from the following description of the drawings. In the drawings, an embodiment of the invention is shown. The drawings, the description and the claims contain numerous features in combination. The person skilled in the art will expediently also consider the features individually and combine them into useful further combinations.

Show it:

1 shows a processing system according to the invention in a perspective schematic representation,

FIG. 2 shows a machining tool according to the invention of the machining system according to the invention from FIG. 1 in a perspective schematic representation,

3 shows the machining tool according to the invention from FIG. 2 in a state coupled to a machine tool of the machining system according to the invention from FIG. 1 in a perspective schematic representation,

Fig. 4 is a side view of the invention

Machining tool from FIG. 2 in a coupling process with the machine tool of the machining system according to the invention from FIG. 1 in a schematic representation,

5 shows the machining tool according to the invention from FIG. 2 in a state coupled with a further machine tool of the machining system according to the invention from FIG. 1 in a perspective schematic representation,

6 shows a part of the machining tool according to the invention from FIG. 2 in a punch-free state, viewed from an upper side, in a perspective schematic representation, FIG. 7 shows the part of the machining tool according to the invention from FIG. 6 viewed from an underside in a perspective schematic illustration and FIG

8 shows a flow diagram of a method according to the invention for producing the machining tool according to the invention from FIG. 2.

Description of the embodiment

FIG. 1 shows a processing system 44 in a perspective schematic illustration. In particular, the processing system 44 comprises at least one processing tool 10, in particular at least one

Oscillation machining tool, and at least one machine tool 20, in particular at least one oscillation machine tool, and / or at least one further machine tool 22, in particular at least one further oscillation machine tool. The machining tool 10 comprises in particular at least one base body 12 and at least one coupling interface 14 arranged on the base body 12 for coupling to at least two different tool receptacles 16, 18 of at least one machine tool 20, 22, the coupling interface 14 extending at least one transversely to a main extension plane 24 of the Has the base body 12 extending side wall 26 (see FIG. 2). The machine tool 20 and / or the further machine tool 22 preferably have / has at least one tool holder 18 to which the machining tool 10 can be coupled by means of the coupling interface 14, the machine tool 20 and / or the further machine tool 22 at least one further, different from the Tool holder 18 have / has tool holder 16, with which the machining tool 10 can be coupled by means of the coupling interface 14. The machining system 44 preferably comprises the machine tool 20 and the further machine tool 22, which have different tool holders 16, 18. Alternatively, it is conceivable that the machining system 44 comprises a single machine tool 20, 22, which has at least two different tool holders 16, 18, or that the machining system 44 comprises the machine tool 20 and the further machine tool 22, the machine tool 20 and / or the further machine tool 22 each have / has at least two different tool holders 16, 18. Preferably can Machining system 44 have a plurality of machining tools 10, for example a sawing tool, a cutting tool and a grinding tool.

In the present exemplary embodiment, the machining system 44 has, for example, the individual machining tool 10, which is designed, for example, as a sawing tool. In particular, the machining tool 10 comprises a machining part 46 which has a saw edge 48. The machine tools 20, 22 are preferably designed as oscillation machine tools, in particular as oscillation multifunction machine tools. The machine tools 20, 22 are designed in particular as handheld machine tools. The machine tools 20, 22 are provided in particular for an oscillating drive of the machining tool 10. In the present exemplary embodiment, the machine tool 20 comprises, for example, the individual tool holder 16 for coupling to the coupling interface 14 of the machining tool 10. In the present exemplary embodiment, the further machine tool 22 comprises, for example, the individual tool holder 18, which is designed differently from the tool holder 16, for coupling to the coupling interface 14 of the processing tool 10.

FIG. 2 shows the machining tool 10 of the machining system 44 from FIG. 1 in a perspective schematic illustration. The machining part 46 of the machining tool 10 is not shown for the sake of clarity. The side wall 26 preferably delimits at least one tool holder feed opening 28 and, viewed along a circumferential direction 30 of the coupling interface 14, is closed in itself, in particular in a star shape, in at least one plane 32 extending parallel to the main plane 24 of the base body 12. The machining tool 10 is preferably designed as an oscillation machining tool. Alternatively, it is conceivable that the machining tool 10 is designed as a rotary machining tool, as a pendulum machining tool or as another machining tool that appears useful to a person skilled in the art. The machining tool 10 is preferably designed as a cutting tool, as a grinding tool, as a sawing tool or the like, in the present exemplary embodiment, for example, as a sawing tool. The machining tool 10 is preferably one Use with the machine tool 20, in particular with the oscillation machine tool, and with the further machine tool 22, in particular with the further oscillation machine tool, is provided. In particular, the machine tool 20 and the further machine tool 22 are provided to drive the machining tool 10 to a movement, in particular an oscillatory one.

The base body 12 of the machining tool 10 is preferably formed from a metal. Alternatively, it is conceivable that the base body 12 is formed from a composite material, from a ceramic or from another material that appears sensible to a person skilled in the art. The coupling interface 14 preferably forms at least one coupling plane 34.

The main extension plane 24 of the base body 12 and the coupling plane 34 of the coupling interface 14 preferably extend parallel to one another. The machining tool 10 preferably comprises the individual coupling interface 14. In particular, the coupling interface 14 is provided for coupling to the at least two different tool receptacles 16, 18 of the at least two different machine tools 20, 22. The coupling interface 14 preferably forms the individual coupling plane 34. Alternatively, it is conceivable that the machining tool 10 has a plurality of coupling interfaces 14, for example two coupling interfaces 14, wherein in particular at least one of the coupling interfaces 14 is provided for coupling to the at least two different tool receptacles 16, 18.

The side wall 26 of the coupling interface 14, viewed along the circumferential direction 30 of the coupling interface 14, is preferably closed in a star-shaped manner in the at least one plane 32 extending parallel to the main extension plane 24 of the base body 12. Alternatively, it is conceivable that the side wall 26 of the coupling interface 14 viewed along the circumferential direction 30 of the coupling interface 14 in the at least one plane 32 extending parallel to the main extension plane 24 of the base body 12 is circular, elliptical, rectangular or the like. closed is. In particular, the coupling interface 14, in particular the side wall 26 of the coupling interface 14, forms a closed annular surface, in particular a closed star surface, in the at least one plane 32 extending parallel to the main extension plane 24 of the base body 12. In particular, the coupling interface 14, in particular the side wall 26 of the coupling interface 14, is formed in a star shape at least in the coupling plane 34 of the coupling interface 14 and / or viewed in the main extension plane 24 of the base body 12. In the present exemplary embodiment, the coupling interface 14, in particular the side wall 26 of the coupling interface 14, is, for example, star-shaped at least in the coupling plane 34 of the coupling interface 14 and viewed in the main plane 24 of the base body 12. In particular, the side wall 26 of the coupling interface 14 is along at least 5%, preferably along at least 10%, particularly preferably along at least 20% and very particularly preferably along at least 30% of a maximum extension of the side wall 26 transversely to the main extension plane 24 of the base body 12 closed in itself, in particular in a star shape.

In particular, the coupling interface 14, in particular the side wall 26 of the coupling interface 14, forms an open annular surface, in particular a star segment, in at least one plane in which the side wall 26 delimits the tool holder feed opening 28 and which extends parallel to the main extension plane 24 of the base body 12 , in particular to implement a feed of the tool holder 18 of the further machine tool 22. In particular, the side wall 26 limits the coupling interface 14 along at most 95%, preferably along at most 90%, particularly preferably along at most 80% and very particularly preferably along at most 70% of a maximum extension of the side wall 26 transversely to the main extension plane 24 of the base body 12, the tool holder feed opening 28. The side wall 26 of the coupling interface 14 preferably delimits the individual tool holder feed opening 28. Alternatively, The fact that the side wall 26 of the coupling interface 14 delimits a plurality of tool holder feed openings 28, in particular arranged offset from one another along the circumferential direction 30 of the coupling interface 14.

The coupling interface 14 preferably has at least the tool holder feed opening 28 delimited by the side wall 26 and at least one further tool holder feed opening 52 delimited by at least one cover wall 50 of the coupling interface 14. The cover wall 50 preferably extends transversely to the side wall 26. In particular, the cover wall 50 extends in the coupling plane 34 of the coupling interface 14, in particular parallel to the main extension plane 24 of the base body 12. The tool holder feed opening 28 and the further tool holder feed opening 52 preferably go in the coupling plane 34 into each other. The tool holder feed opening 28 is preferably provided to enable the tool holder 16 of the machine tool 20 to be fed into the coupling interface 14. The further tool holder feed opening 52 is preferably provided to enable the tool holder 18 of the further machine tool 22, which is embodied differently from the tool holder 16 of the machine tool 20, to be fed into the coupling interface 14. The tool holder feed opening 28 and the further tool holder feed opening 52 are preferably provided to enable the various tool holders 16, 18 to be fed along different feed directions 54, 56. Preferably, a feed direction 54 runs along which the tool holder 16 of the machine tool 20 can be fed through the tool holder feed opening 28 of the coupling interface 14, and a further feed direction 56 along which the tool holder 18 can be fed to the further machine tool 22 through the further tool holder feed opening 52 of the coupling interface 14, transversely, in particular perpendicular, to one another. In particular, the feed direction 54, along which the tool holder 16 of the machine tool 20 can be fed through the tool holder feed opening 28 of the coupling interface 14, runs parallel to the main extension plane 24 of the base body 12 and / or parallel to the coupling plane 34. In particular, the further feed direction 56 runs along the the tool holder 18 of the further machine tool 22 can be fed through the further tool holder feed opening 52 of the coupling interface 14, perpendicular to the main extension plane 24 of the base body 12 and / or perpendicular to the coupling plane 34.

Preferably, a maximum extension portion of the side wall 26 of the coupling interface 14 perpendicular to the main extension plane 24 of the base body 12 defines a minimum distance between the main extension plane 24 of the base body 12 and a coupling plane, in particular the aforementioned coupling plane 34, the coupling interface 14, in which at least one axial securing element 36 of the coupling interface 14 is arranged. The maximum extent of the side wall 26 of the coupling interface 14 perpendicular to the main extent plane 24 of the base body 12 is symbolized in FIG. 2 in particular by a spacer arrow 58. The coupling interface 14 preferably comprises the individual axial securing element 36, which is arranged in the coupling plane 34 of the coupling interface 14. Alternatively, it is conceivable that the coupling interface 14 has a plurality of axial securing elements 36. The axial securing element 36 is provided in particular to attach the base body 12 along a direction parallel to an output axis 60 of the tool holder 16 of the machine tool 20 and / or parallel to an output axis 62 of the tool holder 18 of the further machine tool 22 on the tool holder 16 of the machine tool 20 and / or to secure on the tool holder 18 of the further machine tool 22 (cf.

Figures 3 to 5). The output axis 60 of the tool holder 16 of the machine tool 20 and / or the output axis 62 of the tool holder 18 of the further machine tool 22 run / runs in a state coupled to the coupling interface 14, preferably perpendicular to the main extension plane 24 of the base body 12 and / or to the coupling plane 34. In particular, the machine tool 20 and / or the further machine tool 22 are / is intended to drive the machining tool 10 to oscillate about the output axis 60 of the tool holder 16 of the machine tool 20 and / or about the output axis 62 of the tool holder 18 of the further machine tool 22. The axial securing element 36 of the coupling interface 14 is preferably designed differently from torque transmission elements 38, 40 of the coupling interface 14, which are provided for torque transmission from the tool holder 16 of the machine tool 20 and / or from the tool holder 18 of the further machine tool 22 to the base body 12. The axial securing element 36 of the coupling interface 14 is preferably provided for axial securing on the at least two different tool receptacles 16, 18. Alternatively, it is conceivable that the coupling interface 14 has at least two different types of axial securing elements 36, one type of axial securing elements 36 for axial securing on the tool holder 16 of the machine tool 20 and another type of

Axial locking elements 36 to an axial locking on the different from the Tool holder 16 of the machine tool 20 embodied tool holder 18 of the further machine tool 22 are provided.

The side wall 26 preferably extends at an angle 64 different from 90 ° relative to the main extension plane 24 of the base body 12, in particular at an angle 64 smaller than 90 ° and greater than 0 ° relative to the main extension plane 24 of the base body 12. In particular, the side wall 26 extends , in particular in an area of the tool holder feed opening 28, at an angle 64 of less than 90 °, preferably at an angle 64 of less than 60 ° and particularly preferably at an angle 64 of 45 ° relative to the main extension plane 24 of the base body 12. In particular, the side wall 26 in the region of the tool holder feed opening 28 extend at a different, in particular at a smaller, angle relative to the main plane of extension 24 of the base body 12 than in other regions of the side wall 26. The side wall 26 preferably extends at an angle 66 different from 90 ° relative to the coupling plane 34 of the coupling interface 14, in particular at an angle 66 greater than 90 ° and less than 180 ° relative to the coupling plane 34 of the coupling interface 14. In particular, an angle sum corresponds to the angle 64 of the side wall 26 relative to the main extension plane 24 of the base body 12 and of the angle 66 of the side wall 26 relative to the coupling plane 34 of the coupling interface 14 180 °. The side wall 26 preferably connects the top wall 50 of the coupling interface 14 to the base body 12. In particular, the coupling interface 14 is designed in the shape of a truncated cone, the side wall 26 forming a lateral surface of the truncated cone.

Preferably, the side wall 26, viewed along the circumferential direction 30 of the coupling interface 14, is closed at least in a plane 32 different from the coupling plane 34 of the coupling interface 14, in particular in a star shape. The cover wall 50 of the coupling interface 14 is preferably open at least in sections, viewed along the circumferential direction 30 of the coupling interface 14. In particular, the side wall 26, viewed along the circumferential direction 30 of the coupling interface 14, is closed in a plurality of planes 32 different from the coupling plane 34 of the coupling interface 14, in particular in a star shape. Preferably, the side wall 26, viewed along the circumferential direction 30 of the coupling interface 14, is closed in itself, in particular in a star shape, at least in the main extension plane 24 of the base body 12. The side wall 26 is preferably closed in itself, in particular in a star shape, viewed along the circumferential direction 30 of the coupling interface 14 at least along a complete maximum material thickness 68 of the base body 12 perpendicular to the main extension plane 24 of the base body 12. The side wall 26 is preferably viewed along the circumferential direction 30 of the coupling interface 14 in a plurality of planes 32 extending parallel to the main plane of extension 24 of the base body 12, in particular when viewed in the direction of the coupling plane 34 directly adjoining the main plane of extension 24 of the base body 12 in FIG closed, especially star-shaped.

Preferably, the side wall 26 delimits the tool holder feed opening 28 along the circumferential direction 30 of the coupling interface 14, at least in the coupling plane 34. The side wall 26 preferably delimits the tool holder feed opening 28 along the circumferential direction 30 of the coupling interface 14, viewed at least along a complete maximum material thickness 70 of the cover wall 50 perpendicular the coupling plane 34. The side wall 26 preferably delimits the tool holder feed opening 28 along the circumferential direction 30 of the coupling interface 14, viewed in a plurality of parallel to the coupling plane 34, in particular directly adjoining the coupling plane 34, viewed in the direction of the main plane 24 of the base body 12 , Levels. In particular, the side wall 26 delimits the tool holder feed opening 28 along the circumferential direction 30 of the coupling interface 14 in a ring segment with a central angle of at least 10 °, preferably of at least 20 °, particularly preferably of at least 30 ° and very particularly preferably of at least 40 °. In particular, the side wall 26 delimits the tool holder feed opening 28 along the circumferential direction 30 of the coupling interface 14 in a ring segment with a central angle of at most 70 °, preferably of at most 60 ° and particularly preferably of at most 50 °. The coupling interface 14 preferably has at least one torque transmission element 38 for coupling to a tool holder, in the present exemplary embodiment, for example, with the tool holder 18 of the further machine tool 22, and at least one further torque transmission element 40 for coupling with one of the tool holder 18, in the present exemplary embodiment, for example of the further machine tool 22, various further tool receptacles, in the present exemplary embodiment by way of example with the tool receptacle 16 of the machine tool 20, which extends transversely to the at least one torque transmission element 38. The at least one further torque transmission element 40 is preferably designed differently from the at least one torque transmission element 38. Alternatively, it is conceivable that the at least one further torque transmission element 40 is designed analogously to the at least one torque transmission element 38, in particular that the at least one torque transmission element 38 for coupling with the tool holder 16 of the machine tool 20 and with the tool holder 18 of the further machine tool 22 and that at least a further torque transmission element 40 is provided for coupling with the tool holder 16 of the machine tool 20 and with the tool holder 18 of the further machine tool 22. The coupling interface 14 preferably comprises a plurality of torque transmission elements 38 and / or a plurality of further torque transmission elements 40, in the present exemplary embodiment by way of example a plurality of torque transmission elements 38 and a plurality of further torque transmission elements 40. The torque transmission elements 38 and / or the further torque transmission elements 40 can in particular as Recesses in the side wall 26 and / or in the top wall 50, as bulges 72 in the side wall 26 and / or in the top wall 50, as coupling pins or other torque transmission elements that appear useful to a person skilled in the art.

The at least one torque transmission element 38, in particular the plurality of torque transmission elements 38, preferably extends transversely to the main extension plane 24 of the base body 12 and the at least one further torque transmission element 40, in particular the plurality of further torque transmission elements 40, parallel to the main extension plane 24 of the base body 12. The torque transmission elements 38 preferably extend along the side wall 26 of the coupling interface 14 and are in particular formed by the side wall 26. In particular, the side wall 26 is star-shaped, in particular describes alternating indentations 74 and bulges 72. In particular, the indentations 74 and bulges 72 in the side wall 26 form the torque transmission elements 38. The side wall 26 preferably forms torque transmission elements 38 at least in sections in a region of the tool holder feed opening 28. In particular, the torque transmission elements 38 extend in the region of the tool holder feed opening 28 along the further feed direction 56, viewed from the main extension plane 24 of the base body 12 to the tool holder feed opening 28. In particular, the torque transmission elements 38 are arranged along a complete circumference of the coupling interface 14. The further torque transmission elements 40 are preferably arranged on, in particular in, the cover wall 50. The further torque transmission elements 40 are preferably designed as recesses in the cover wall 50. In particular, the further torque transmission elements 40 are designed as elongated holes in the cover wall 50.

The at least one torque transmission element 38, in particular the plurality of torque transmission elements 38, preferably connects / connect the main extension plane 24 of the base body 12 with at least one coupling plane, in particular with the aforementioned coupling plane 34, the coupling interface 14. The torque transmission elements 38 are formed in particular by the side wall 26, which connects the main extension plane 24 of the base body 12 to the coupling plane 34 of the coupling interface 14. The torque transmission elements 38 preferably connect the base body 12 to the cover wall 50.

Preferably, the at least one further torque transmission element 40, in particular the plurality of further ones, is / are

Torque transmission elements 40, within the coupling plane 34 of the Coupling interface 14 arranged. The others

Torque transmission elements 40 are arranged in particular in a region different from the tool holder feed opening 28 and the further tool holder feed opening 52 within the coupling plane 34, in particular in the cover wall 50. The further torque transmission elements 40 are preferably arranged symmetrically around the further tool holder feed opening 52. In particular, the further torque transmission elements 40 are arranged along an imaginary circular arc, in particular around the further tool holder feed opening 52, viewed next to one another, in particular in a ray-like manner. In particular, the further torque transmission elements 40, particularly viewed along the imaginary circular arc, are arranged equidistant from one another. In particular, two further torque transmission elements 40 opposite one another, viewed along a diameter of the further tool holder feed opening 52, have a minimum distance from one another which is greater than a maximum diameter of the further tool holder feed opening 52. In particular, the minimum distance between the two, viewed along the diameter of the further tool holder feed opening 52, is one another opposite further torque transmission elements 40 to each other at least 1 mm larger, preferably at least 1.5 mm larger and particularly preferably at least 2 mm larger than the maximum diameter of the further tool holder feed opening 52 and in particular at most 2.5 mm larger, preferably at most 2 mm larger than the maximum diameter of the further tool holder feed opening 52. In particular, the two, viewed along the diameter of the further tool holder feed opening 52, point further opposite one another en

Torque transmission elements 40 have a minimum distance from one another of 16.5 mm, preferably 16.51 mm. The further tool holder feed opening 52 preferably has a maximum diameter of 14.5 mm. In particular, a further torque transmission element 40 is assigned to a bulge 72 of the side wall 26 that forms a torque transmission element 38.

The coupling interface 14 is preferably designed in one piece with the base body 12. The base body 12 and the coupling interface 14 are preferably formed from a common blank, in particular from a metal, preferably from a steel. In particular, the Coupling interface 14 formed by a forming process, by a casting process, by a stamping process, by a milling process or the like. Alternatively, it is conceivable that the coupling interface 14 is formed in one piece with the base body 12 by means of a 3D printing process.

The coupling interface 14 is preferably designed like a pot, the at least one axial securing element 36 of the coupling interface 14 being formed by a star-shaped recess 42 in the coupling plane 34. In particular, the side wall 26 forms a side surface of an imaginary pot. In particular, the cover wall 50 forms a pot bottom of the imaginary pot. In particular, the base body 12 at least partially forms a pot lid of the imaginary pot. The coupling interface 14 is preferably designed in the shape of a Gugelhupff. The axial securing element 36 is preferably designed in one piece with the further tool holder feed opening 52. In particular, the axial securing element 36 merges into the tool holder feed opening 28. In particular, the axial securing element 36 is surrounded by the further torque transmission elements 40. The axial securing element 36 is preferably formed by the star-shaped recess 42 in the cover wall 50. In particular, the tool holder 16 of the machine tool 20 and / or the tool holder 18 of the further machine tool 22 extend in a state coupled to the machining tool 10 at least in sections through the axial securing element 36, in particular engage / engage behind the axial securing element 36 (see FIGS. 3 to 5 ).

FIG. 3 shows the machining tool 10 from FIG. 2 in a state coupled to the machine tool 20 of the machining system 44 from FIG. 1 in a perspective schematic representation. In particular, the tool holder 16 of the machine tool 20 is shown in a state coupled to the machining tool 10. A counter-axial securing element 76 of the tool holder 16 of the machine tool 20 extends in particular in the coupling interface 14. The counter-axial securing element 76 is preferably provided to interact with the axial securing element 36 of the coupling interface 14 to axially secure the machining tool 10. In particular, the counter-axial securing element 76 is provided to hold the machining tool 10, in particular the cover wall 50, against a To press punch element 78 of the tool holder 16 of the machine tool 20. The stamp element 78 has, in particular, a plurality of torque transmission projections 80. The

Torque transmission extensions 80 are preferably provided to interact with the further torque transmission elements 40 of the coupling interface 14 to transmit torque to the machining tool 10. In particular, the torque transmission extensions 80 are provided to intervene in the further torque transmission elements 40 of the coupling interface 14.

FIG. 4 shows a side view of the machining tool 10 from FIG. 2 in a coupling process with the machine tool 20 of the machining system 44 from FIG. 1 in a schematic representation. In particular, the tool holder 16 of the machine tool 20 is shown in a coupling process with the machining tool 10.

In particular, the machining tool 10 is in a state that is free of pressure on the punch element 78. In particular, the torque transmission extensions 80 are free of engagement with the further torque transmission elements 40. In particular, the tool holder 16 of the machine tool 20, in particular the counter-axial securing element 76, is arranged at least in sections in the coupling interface 14. In particular, the counter-axial securing element 76 is fed to the coupling interface 14 through the tool holder feed opening 28. The tool holder feed opening 28 is preferably designed to be wider than the counter-axial securing element 76 in order to implement a feed of the counter-axial securing element 76.

FIG. 5 shows the machining tool 10 from FIG. 2 in a state coupled to the further machine tool 22 of the machining system 44 from FIG. 1 in a perspective schematic illustration. In particular, the tool holder 18 of the further machine tool 22 is shown in a state coupled to the machining tool 10. Two counter-axial securing elements 82 of the tool holder 18 of the further machine tool 22 extend in particular in the coupling interface 14. The counter-axial securing elements 82 are provided for axially securing the machining tool 10, in particular, with the axial securing element 36 of the coupling interface 14 to work together. The counter-axial securing elements 82 are preferably mounted in a rotary manner on a pin element 84 of the tool holder 18 of the further machine tool 22, in particular about opposite directions of rotation. In particular, the counter-axial securing elements 82 and the pin element 84 are arranged in a housing 86 of the tool holder 18 of the further machine tool 22. For the sake of clarity, the housing 86 is shown particularly transparently. The counter-axial securing elements 82 are preferably provided to rotate around the pin element 84 as a result of a passage through the further tool holder feed opening 52, in particular to implement an interaction with the axial securing element 36. The housing 86 is preferably provided for the coupling interface 14, in particular the side wall 26, in the state coupled to the machining tool 10, in particular to enclose the coupling interface 14 along the circumferential direction 30.

In particular, the housing 86 has a torque transmission contour along an inner circumference of the housing 86, in particular corresponding to the torque transmission elements 38 of the coupling interface 14, which is provided for torque transmission to the machining tool 10 to interact with the torque transmission elements 38 of the coupling interface 14 (here for clarity not shown).

A method for producing a machining tool, in particular the aforementioned machining tool 10, in particular with reference to FIGS. 6, 7 and 8, is described below. FIG. 6 shows a part of the machining tool 10 from FIG. 2 in a punch-free state, viewed from an upper side, in a perspective schematic illustration. FIG. 7 shows the part of the machining tool 10 from FIG. 6 viewed from an underside in a perspective schematic representation. FIG. 8 shows a flow chart of the method for producing the machining tool 10 from FIG. 2

Preferably, in at least one method step 100, at least one, in particular in the aforementioned, side wall 26 of at least one, in particular the aforementioned, coupling interface 14 of the machining tool 10 is introduced in such a way that at least one, in particular at least the aforementioned, tool holder feed opening 28 is inserted, so that the side wall 26 runs in particular along the aforementioned, Circumferential direction 30 of the coupling interface 14 viewed in at least one, in particular at least in the aforementioned, parallel to at least one, in particular to the aforementioned, main plane 24 of at least one, in particular the aforementioned, base body 12 of the machining tool 10 extending plane 32 in itself, in particular star-shaped, closed is. In particular, the

Tool holder feed opening 28 is introduced into a section of side wall 26, in particular at least in coupling plane 34. The coupling interface 14 is preferably left closed in itself, in particular in a star shape, at least in the main extension plane 24 of the base body 12.

In at least one, in particular in the aforementioned, method step 100, the tool holder feed opening 28 is preferably introduced into the side wall 26 by means of a punching process. In particular, at least a section of the side wall 26 is punched out to form the tool holder feed opening 28. The tool holder feed opening 28 is preferably formed by punching out material from a punching surface 88 of the side wall 26 of the coupling interface 14. The coupling interface 14 is formed in particular by reshaping the base body 12 in at least one further method step 102. The coupling interface 14 is preferably formed by reshaping the base body 12 in several sub-steps of the further method step 102, in particular in a single reshaping tool. In particular, the base body 12 is reshaped in such a way that the side wall 26, in particular at least the punching surface 88, is relatively at an angle 90 of less than 90 °, preferably at an angle 90 of less than 60 ° and particularly preferably at an angle 90 of 45 ° is arranged inclined to the main extension plane 24 of the base body 12. In particular, due to an inclination of the punching surface 88 of less than 90 ° relative to the main plane of extension 24 of the base body 12, forces acting on the coupling interface 14, in particular on the side wall 26, and in particular a deformation of the coupling interface 14, in particular the side wall 26, are caused by the punching process the acting forces are minimized. The base body 12 is preferably reshaped in such a way that the punching surface 88 is offset relative to the remaining side wall 26 parallel to the main extension plane 24 of the base body 12 in the direction of a center point 92 of the coupling interface 14, in particular towards a provision of the torque transmission elements 38 along a complete circumference of the coupling interface 14. The base body 12 is preferably formed in such a way that the punching surface 88 is arranged at a distance from corner points 94 of the side wall 26, in particular for realizing a material flow in a forming process. In particular, the base body 12 is reshaped in such a way that the punching surface 88 is arranged at a distance from the corner points 94 of the side wall 26 to provide at least one support surface 96 for a punching tool in the punching process. The base body 12 is preferably reshaped in such a way that material-rich transition regions 98 are formed between the punching surface 88 and the corner points 94 of the side wall 26, in particular to enable the coupling interface 14 to be punched.

Preferably, in at least one further method step 104, the further tool holder feed opening 52 is introduced into the coupling interface 14, in particular into the cover wall 50 of the coupling interface 14, in particular by means of a punching process. In particular, the further tool holder feed opening 52 is formed by punching out material from the cover wall 50 of the coupling interface 14. The tool holder feed opening 28 and the further tool holder feed opening 52 are preferably introduced into the coupling interface 14, in particular into the side wall 26 and into the cover wall 50, in the same method step 100, 104, in particular simultaneously, in particular by means of the same punching tool. The further torque transmission elements 40 are preferably introduced into the coupling interface 14, in particular into the cover wall 50 of the coupling interface 14, in at least one further method step 106, in particular by means of a stamping process. In particular, the further torque transmission elements 40 are formed by punching out material from the cover wall 50 of the coupling interface 14.

With regard to further method steps of the method for producing the machining tool 10, reference may be made to the preceding description of the machining tool 10, since this description can also be read analogously to the method and thus all features with regard to the machining tool 10 also with regard to the method for producing the machining tool 10 are considered disclosed.

Claims

Expectations

1. Machining tool, in particular oscillation machining tool, with at least one base body (12) and with at least one coupling interface (14) arranged on the base body (12) for coupling with at least two different tool holders (16, 18) of at least one machine tool (20, 22) , wherein the coupling interface (14) has at least one side wall (26) extending transversely to a main extension plane (24) of the base body (12), characterized in that the side wall (26) delimits at least one tool holder feed opening (28) and extends along a circumferential direction ( 30) of the coupling interface (14), viewed in at least one plane (32) extending parallel to the main extension plane (24) of the base body (12), is closed in itself, in particular in a star shape.

2. Machining tool according to claim 1, characterized in that a maximum extension of the side wall (26) of the coupling interface (14) perpendicular to the main extension plane (24) of the base body (12) is a minimum distance between the main extension plane (24) of the base body (12) and a coupling plane (34) of the coupling interface (14), in which at least one axial securing element (36) of the coupling interface (14) is arranged.

3. Machining tool according to claim 2, characterized in that the side wall (26) along the circumferential direction (30) of the coupling interface (14) viewed at least in a plane (32) different from the coupling plane (34) of the coupling interface (14), in particular star-shaped, is closed.

4. Processing tool according to one of the preceding claims, characterized in that the side wall (26) along the circumferential direction (30) of the coupling interface (14) viewed at least in the main plane (24) of the base body (12) is closed in itself, in particular in a star shape .

5. Machining tool at least according to claim 2, characterized in that the side wall (26) delimits the tool holder feed opening (28) at least in the coupling plane (34) viewed along the circumferential direction (30) of the coupling interface (14).

6. Machining tool according to one of the preceding claims, characterized in that the coupling interface (14) has at least one torque transmission element (38) for coupling with a tool holder (18) and at least one further torque transmission element (40) for coupling with one of the tool holder ( 18) has various other tool receptacles (16) which extends transversely to the at least one torque transmission element (38).

7. Machining tool according to claim 6, characterized in that the at least one torque transmission element (38) extends transversely to the main extension plane (24) of the base body (12) and the at least one further torque transmission element (40) extends parallel to the main extension plane (24) of the base body (12) extends.

8. Processing tool according to claim 6 or 7, characterized in that the at least one

Torque transmission element (38) connects the main extension plane (24) of the base body (12) with at least one coupling plane (34) of the coupling interface (14).

9. Machining tool according to claim 8, characterized in that the at least one further torque transmission element (40) is arranged within the coupling plane (34) of the coupling interface (14).

10. Machining tool according to one of the preceding claims, characterized in that the coupling interface (14) is formed in one piece with the base body (12).

11. Machining tool at least according to claim 2, characterized in that the coupling interface (14) is pot-shaped, the at least one axial securing element (36) of the coupling interface (14) being formed by a star-shaped recess (42) in the coupling plane (34).

12. Machining system with at least one machining tool according to one of the preceding claims and with at least one machine tool (20), in particular with at least one oscillation machine tool, and / or with at least one further machine tool (22), in particular with at least one further oscillation machine tool, the machine tool ( 20) and / or the further machine tool (22) have / has at least one tool holder (18) with which the machining tool can be coupled by means of the coupling interface (14), the machine tool (20) and / or the further machine tool (22) at least have / has a further tool holder (16) designed differently from the tool holder (18), to which the machining tool can be coupled by means of the coupling interface (14).

13. A method for producing a machining tool, in particular a machining tool according to one of claims 1 to 11, characterized in that in at least one method step (100) in at least one side wall (26) at least one coupling interface (14) of the machining tool such at least one tool holder feed opening ( 28) is introduced so that the side wall (26) along a circumferential direction (30) of the coupling interface (14) viewed in at least one plane (32) extending parallel to at least one main plane (24) of at least one base body (12) of the processing tool , in particular star-shaped, is closed.

14. The method according to claim 13, characterized in that in at least one method step (100) the

Tool holder feed opening (28) is introduced into the side wall (26) by means of a punching process.